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-rw-r--r--arch/arm/mach-omap2/prm44xx.h748
1 files changed, 748 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
new file mode 100644
index 00000000000..7db2422faa1
--- /dev/null
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -0,0 +1,748 @@
+/*
+ * OMAP44xx PRM instance offset macros
+ *
+ * Copyright (C) 2009-2011 Texas Instruments, Inc.
+ * Copyright (C) 2009-2010 Nokia Corporation
+ *
+ * Paul Walmsley (paul@pwsan.com)
+ * Rajendra Nayak (rnayak@ti.com)
+ * Benoit Cousson (b-cousson@ti.com)
+ *
+ * This file is automatically generated from the OMAP hardware databases.
+ * We respectfully ask that any modifications to this file be coordinated
+ * with the public linux-omap@vger.kernel.org mailing list and the
+ * authors above to ensure that the autogeneration scripts are kept
+ * up-to-date with the file contents.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * XXX This file needs to be updated to align on one of "OMAP4", "OMAP44XX",
+ * or "OMAP4430".
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_PRM44XX_H
+#define __ARCH_ARM_MACH_OMAP2_PRM44XX_H
+
+#include "prm44xx_54xx.h"
+#include "prcm-common.h"
+#include "prm.h"
+
+#define OMAP4430_PRM_BASE 0x4a306000
+
+#define OMAP44XX_PRM_REGADDR(inst, reg) \
+ OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE + (inst) + (reg))
+
+
+/* PRM instances */
+#define OMAP4430_PRM_OCP_SOCKET_INST 0x0000
+#define OMAP4430_PRM_CKGEN_INST 0x0100
+#define OMAP4430_PRM_MPU_INST 0x0300
+#define OMAP4430_PRM_TESLA_INST 0x0400
+#define OMAP4430_PRM_ABE_INST 0x0500
+#define OMAP4430_PRM_ALWAYS_ON_INST 0x0600
+#define OMAP4430_PRM_CORE_INST 0x0700
+#define OMAP4430_PRM_IVAHD_INST 0x0f00
+#define OMAP4430_PRM_CAM_INST 0x1000
+#define OMAP4430_PRM_DSS_INST 0x1100
+#define OMAP4430_PRM_GFX_INST 0x1200
+#define OMAP4430_PRM_L3INIT_INST 0x1300
+#define OMAP4430_PRM_L4PER_INST 0x1400
+#define OMAP4430_PRM_CEFUSE_INST 0x1600
+#define OMAP4430_PRM_WKUP_INST 0x1700
+#define OMAP4430_PRM_WKUP_CM_INST 0x1800
+#define OMAP4430_PRM_EMU_INST 0x1900
+#define OMAP4430_PRM_EMU_CM_INST 0x1a00
+#define OMAP4430_PRM_DEVICE_INST 0x1b00
+#define OMAP4430_PRM_INSTR_INST 0x1f00
+
+/* PRM clockdomain register offsets (from instance start) */
+#define OMAP4430_PRM_WKUP_CM_WKUP_CDOFFS 0x0000
+#define OMAP4430_PRM_EMU_CM_EMU_CDOFFS 0x0000
+
+/* OMAP4 specific register offsets */
+#define OMAP4_RM_RSTCTRL 0x0000
+#define OMAP4_RM_RSTST 0x0004
+#define OMAP4_RM_RSTTIME 0x0008
+#define OMAP4_PM_PWSTCTRL 0x0000
+#define OMAP4_PM_PWSTST 0x0004
+
+
+/* PRM */
+
+/* PRM.OCP_SOCKET_PRM register offsets */
+#define OMAP4_REVISION_PRM_OFFSET 0x0000
+#define OMAP4430_REVISION_PRM OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0000)
+#define OMAP4_PRM_IRQSTATUS_MPU_OFFSET 0x0010
+#define OMAP4430_PRM_IRQSTATUS_MPU OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0010)
+#define OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET 0x0014
+#define OMAP4430_PRM_IRQSTATUS_MPU_2 OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0014)
+#define OMAP4_PRM_IRQENABLE_MPU_OFFSET 0x0018
+#define OMAP4430_PRM_IRQENABLE_MPU OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0018)
+#define OMAP4_PRM_IRQENABLE_MPU_2_OFFSET 0x001c
+#define OMAP4430_PRM_IRQENABLE_MPU_2 OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x001c)
+#define OMAP4_PRM_IRQSTATUS_DUCATI_OFFSET 0x0020
+#define OMAP4430_PRM_IRQSTATUS_DUCATI OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0020)
+#define OMAP4_PRM_IRQENABLE_DUCATI_OFFSET 0x0028
+#define OMAP4430_PRM_IRQENABLE_DUCATI OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0028)
+#define OMAP4_PRM_IRQSTATUS_TESLA_OFFSET 0x0030
+#define OMAP4430_PRM_IRQSTATUS_TESLA OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0030)
+#define OMAP4_PRM_IRQENABLE_TESLA_OFFSET 0x0038
+#define OMAP4430_PRM_IRQENABLE_TESLA OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0038)
+#define OMAP4_CM_PRM_PROFILING_CLKCTRL_OFFSET 0x0040
+#define OMAP4430_CM_PRM_PROFILING_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_OCP_SOCKET_INST, 0x0040)
+
+/* PRM.CKGEN_PRM register offsets */
+#define OMAP4_CM_ABE_DSS_SYS_CLKSEL_OFFSET 0x0000
+#define OMAP4430_CM_ABE_DSS_SYS_CLKSEL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_INST, 0x0000)
+#define OMAP4_CM_L4_WKUP_CLKSEL_OFFSET 0x0008
+#define OMAP4430_CM_L4_WKUP_CLKSEL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_INST, 0x0008)
+#define OMAP4_CM_ABE_PLL_REF_CLKSEL_OFFSET 0x000c
+#define OMAP4430_CM_ABE_PLL_REF_CLKSEL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_INST, 0x000c)
+#define OMAP4_CM_SYS_CLKSEL_OFFSET 0x0010
+#define OMAP4430_CM_SYS_CLKSEL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CKGEN_INST, 0x0010)
+
+/* PRM.MPU_PRM register offsets */
+#define OMAP4_PM_MPU_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_MPU_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_INST, 0x0000)
+#define OMAP4_PM_MPU_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_MPU_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_INST, 0x0004)
+#define OMAP4_RM_MPU_RSTST_OFFSET 0x0014
+#define OMAP4430_RM_MPU_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_INST, 0x0014)
+#define OMAP4_RM_MPU_MPU_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_MPU_MPU_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_MPU_INST, 0x0024)
+
+/* PRM.TESLA_PRM register offsets */
+#define OMAP4_PM_TESLA_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_TESLA_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_INST, 0x0000)
+#define OMAP4_PM_TESLA_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_TESLA_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_INST, 0x0004)
+#define OMAP4_RM_TESLA_RSTCTRL_OFFSET 0x0010
+#define OMAP4430_RM_TESLA_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_INST, 0x0010)
+#define OMAP4_RM_TESLA_RSTST_OFFSET 0x0014
+#define OMAP4430_RM_TESLA_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_INST, 0x0014)
+#define OMAP4_RM_TESLA_TESLA_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_TESLA_TESLA_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_TESLA_INST, 0x0024)
+
+/* PRM.ABE_PRM register offsets */
+#define OMAP4_PM_ABE_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_ABE_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0000)
+#define OMAP4_PM_ABE_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_ABE_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0004)
+#define OMAP4_RM_ABE_AESS_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_ABE_AESS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x002c)
+#define OMAP4_PM_ABE_PDM_WKDEP_OFFSET 0x0030
+#define OMAP4430_PM_ABE_PDM_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0030)
+#define OMAP4_RM_ABE_PDM_CONTEXT_OFFSET 0x0034
+#define OMAP4430_RM_ABE_PDM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0034)
+#define OMAP4_PM_ABE_DMIC_WKDEP_OFFSET 0x0038
+#define OMAP4430_PM_ABE_DMIC_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0038)
+#define OMAP4_RM_ABE_DMIC_CONTEXT_OFFSET 0x003c
+#define OMAP4430_RM_ABE_DMIC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x003c)
+#define OMAP4_PM_ABE_MCASP_WKDEP_OFFSET 0x0040
+#define OMAP4430_PM_ABE_MCASP_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0040)
+#define OMAP4_RM_ABE_MCASP_CONTEXT_OFFSET 0x0044
+#define OMAP4430_RM_ABE_MCASP_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0044)
+#define OMAP4_PM_ABE_MCBSP1_WKDEP_OFFSET 0x0048
+#define OMAP4430_PM_ABE_MCBSP1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0048)
+#define OMAP4_RM_ABE_MCBSP1_CONTEXT_OFFSET 0x004c
+#define OMAP4430_RM_ABE_MCBSP1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x004c)
+#define OMAP4_PM_ABE_MCBSP2_WKDEP_OFFSET 0x0050
+#define OMAP4430_PM_ABE_MCBSP2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0050)
+#define OMAP4_RM_ABE_MCBSP2_CONTEXT_OFFSET 0x0054
+#define OMAP4430_RM_ABE_MCBSP2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0054)
+#define OMAP4_PM_ABE_MCBSP3_WKDEP_OFFSET 0x0058
+#define OMAP4430_PM_ABE_MCBSP3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0058)
+#define OMAP4_RM_ABE_MCBSP3_CONTEXT_OFFSET 0x005c
+#define OMAP4430_RM_ABE_MCBSP3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x005c)
+#define OMAP4_PM_ABE_SLIMBUS_WKDEP_OFFSET 0x0060
+#define OMAP4430_PM_ABE_SLIMBUS_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0060)
+#define OMAP4_RM_ABE_SLIMBUS_CONTEXT_OFFSET 0x0064
+#define OMAP4430_RM_ABE_SLIMBUS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0064)
+#define OMAP4_PM_ABE_TIMER5_WKDEP_OFFSET 0x0068
+#define OMAP4430_PM_ABE_TIMER5_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0068)
+#define OMAP4_RM_ABE_TIMER5_CONTEXT_OFFSET 0x006c
+#define OMAP4430_RM_ABE_TIMER5_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x006c)
+#define OMAP4_PM_ABE_TIMER6_WKDEP_OFFSET 0x0070
+#define OMAP4430_PM_ABE_TIMER6_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0070)
+#define OMAP4_RM_ABE_TIMER6_CONTEXT_OFFSET 0x0074
+#define OMAP4430_RM_ABE_TIMER6_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0074)
+#define OMAP4_PM_ABE_TIMER7_WKDEP_OFFSET 0x0078
+#define OMAP4430_PM_ABE_TIMER7_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0078)
+#define OMAP4_RM_ABE_TIMER7_CONTEXT_OFFSET 0x007c
+#define OMAP4430_RM_ABE_TIMER7_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x007c)
+#define OMAP4_PM_ABE_TIMER8_WKDEP_OFFSET 0x0080
+#define OMAP4430_PM_ABE_TIMER8_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0080)
+#define OMAP4_RM_ABE_TIMER8_CONTEXT_OFFSET 0x0084
+#define OMAP4430_RM_ABE_TIMER8_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0084)
+#define OMAP4_PM_ABE_WDT3_WKDEP_OFFSET 0x0088
+#define OMAP4430_PM_ABE_WDT3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x0088)
+#define OMAP4_RM_ABE_WDT3_CONTEXT_OFFSET 0x008c
+#define OMAP4430_RM_ABE_WDT3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ABE_INST, 0x008c)
+
+/* PRM.ALWAYS_ON_PRM register offsets */
+#define OMAP4_RM_ALWON_MDMINTC_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_ALWON_MDMINTC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x0024)
+#define OMAP4_PM_ALWON_SR_MPU_WKDEP_OFFSET 0x0028
+#define OMAP4430_PM_ALWON_SR_MPU_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x0028)
+#define OMAP4_RM_ALWON_SR_MPU_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_ALWON_SR_MPU_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x002c)
+#define OMAP4_PM_ALWON_SR_IVA_WKDEP_OFFSET 0x0030
+#define OMAP4430_PM_ALWON_SR_IVA_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x0030)
+#define OMAP4_RM_ALWON_SR_IVA_CONTEXT_OFFSET 0x0034
+#define OMAP4430_RM_ALWON_SR_IVA_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x0034)
+#define OMAP4_PM_ALWON_SR_CORE_WKDEP_OFFSET 0x0038
+#define OMAP4430_PM_ALWON_SR_CORE_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x0038)
+#define OMAP4_RM_ALWON_SR_CORE_CONTEXT_OFFSET 0x003c
+#define OMAP4430_RM_ALWON_SR_CORE_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_ALWAYS_ON_INST, 0x003c)
+
+/* PRM.CORE_PRM register offsets */
+#define OMAP4_PM_CORE_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_CORE_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0000)
+#define OMAP4_PM_CORE_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_CORE_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0004)
+#define OMAP4_RM_L3_1_L3_1_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_L3_1_L3_1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0024)
+#define OMAP4_RM_L3_2_L3_2_CONTEXT_OFFSET 0x0124
+#define OMAP4430_RM_L3_2_L3_2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0124)
+#define OMAP4_RM_L3_2_GPMC_CONTEXT_OFFSET 0x012c
+#define OMAP4430_RM_L3_2_GPMC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x012c)
+#define OMAP4_RM_L3_2_OCMC_RAM_CONTEXT_OFFSET 0x0134
+#define OMAP4430_RM_L3_2_OCMC_RAM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0134)
+#define OMAP4_RM_DUCATI_RSTCTRL_OFFSET 0x0210
+#define OMAP4430_RM_DUCATI_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0210)
+#define OMAP4_RM_DUCATI_RSTST_OFFSET 0x0214
+#define OMAP4430_RM_DUCATI_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0214)
+#define OMAP4_RM_DUCATI_DUCATI_CONTEXT_OFFSET 0x0224
+#define OMAP4430_RM_DUCATI_DUCATI_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0224)
+#define OMAP4_RM_SDMA_SDMA_CONTEXT_OFFSET 0x0324
+#define OMAP4430_RM_SDMA_SDMA_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0324)
+#define OMAP4_RM_MEMIF_DMM_CONTEXT_OFFSET 0x0424
+#define OMAP4430_RM_MEMIF_DMM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0424)
+#define OMAP4_RM_MEMIF_EMIF_FW_CONTEXT_OFFSET 0x042c
+#define OMAP4430_RM_MEMIF_EMIF_FW_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x042c)
+#define OMAP4_RM_MEMIF_EMIF_1_CONTEXT_OFFSET 0x0434
+#define OMAP4430_RM_MEMIF_EMIF_1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0434)
+#define OMAP4_RM_MEMIF_EMIF_2_CONTEXT_OFFSET 0x043c
+#define OMAP4430_RM_MEMIF_EMIF_2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x043c)
+#define OMAP4_RM_MEMIF_DLL_CONTEXT_OFFSET 0x0444
+#define OMAP4430_RM_MEMIF_DLL_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0444)
+#define OMAP4_RM_MEMIF_EMIF_H1_CONTEXT_OFFSET 0x0454
+#define OMAP4430_RM_MEMIF_EMIF_H1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0454)
+#define OMAP4_RM_MEMIF_EMIF_H2_CONTEXT_OFFSET 0x045c
+#define OMAP4430_RM_MEMIF_EMIF_H2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x045c)
+#define OMAP4_RM_MEMIF_DLL_H_CONTEXT_OFFSET 0x0464
+#define OMAP4430_RM_MEMIF_DLL_H_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0464)
+#define OMAP4_RM_D2D_SAD2D_CONTEXT_OFFSET 0x0524
+#define OMAP4430_RM_D2D_SAD2D_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0524)
+#define OMAP4_RM_D2D_MODEM_ICR_CONTEXT_OFFSET 0x052c
+#define OMAP4430_RM_D2D_MODEM_ICR_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x052c)
+#define OMAP4_RM_D2D_SAD2D_FW_CONTEXT_OFFSET 0x0534
+#define OMAP4430_RM_D2D_SAD2D_FW_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0534)
+#define OMAP4_RM_L4CFG_L4_CFG_CONTEXT_OFFSET 0x0624
+#define OMAP4430_RM_L4CFG_L4_CFG_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0624)
+#define OMAP4_RM_L4CFG_HW_SEM_CONTEXT_OFFSET 0x062c
+#define OMAP4430_RM_L4CFG_HW_SEM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x062c)
+#define OMAP4_RM_L4CFG_MAILBOX_CONTEXT_OFFSET 0x0634
+#define OMAP4430_RM_L4CFG_MAILBOX_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0634)
+#define OMAP4_RM_L4CFG_SAR_ROM_CONTEXT_OFFSET 0x063c
+#define OMAP4430_RM_L4CFG_SAR_ROM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x063c)
+#define OMAP4_RM_L3INSTR_L3_3_CONTEXT_OFFSET 0x0724
+#define OMAP4430_RM_L3INSTR_L3_3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0724)
+#define OMAP4_RM_L3INSTR_L3_INSTR_CONTEXT_OFFSET 0x072c
+#define OMAP4430_RM_L3INSTR_L3_INSTR_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x072c)
+#define OMAP4_RM_L3INSTR_OCP_WP1_CONTEXT_OFFSET 0x0744
+#define OMAP4430_RM_L3INSTR_OCP_WP1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CORE_INST, 0x0744)
+
+/* PRM.IVAHD_PRM register offsets */
+#define OMAP4_PM_IVAHD_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_IVAHD_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x0000)
+#define OMAP4_PM_IVAHD_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_IVAHD_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x0004)
+#define OMAP4_RM_IVAHD_RSTCTRL_OFFSET 0x0010
+#define OMAP4430_RM_IVAHD_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x0010)
+#define OMAP4_RM_IVAHD_RSTST_OFFSET 0x0014
+#define OMAP4430_RM_IVAHD_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x0014)
+#define OMAP4_RM_IVAHD_IVAHD_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_IVAHD_IVAHD_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x0024)
+#define OMAP4_RM_IVAHD_SL2_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_IVAHD_SL2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_IVAHD_INST, 0x002c)
+
+/* PRM.CAM_PRM register offsets */
+#define OMAP4_PM_CAM_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_CAM_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_INST, 0x0000)
+#define OMAP4_PM_CAM_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_CAM_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_INST, 0x0004)
+#define OMAP4_RM_CAM_ISS_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_CAM_ISS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_INST, 0x0024)
+#define OMAP4_RM_CAM_FDIF_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_CAM_FDIF_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CAM_INST, 0x002c)
+
+/* PRM.DSS_PRM register offsets */
+#define OMAP4_PM_DSS_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_DSS_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_INST, 0x0000)
+#define OMAP4_PM_DSS_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_DSS_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_INST, 0x0004)
+#define OMAP4_PM_DSS_DSS_WKDEP_OFFSET 0x0020
+#define OMAP4430_PM_DSS_DSS_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_INST, 0x0020)
+#define OMAP4_RM_DSS_DSS_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_DSS_DSS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_INST, 0x0024)
+#define OMAP4_RM_DSS_DEISS_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_DSS_DEISS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DSS_INST, 0x002c)
+
+/* PRM.GFX_PRM register offsets */
+#define OMAP4_PM_GFX_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_GFX_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_INST, 0x0000)
+#define OMAP4_PM_GFX_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_GFX_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_INST, 0x0004)
+#define OMAP4_RM_GFX_GFX_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_GFX_GFX_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_GFX_INST, 0x0024)
+
+/* PRM.L3INIT_PRM register offsets */
+#define OMAP4_PM_L3INIT_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_L3INIT_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0000)
+#define OMAP4_PM_L3INIT_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_L3INIT_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0004)
+#define OMAP4_PM_L3INIT_MMC1_WKDEP_OFFSET 0x0028
+#define OMAP4430_PM_L3INIT_MMC1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0028)
+#define OMAP4_RM_L3INIT_MMC1_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_L3INIT_MMC1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x002c)
+#define OMAP4_PM_L3INIT_MMC2_WKDEP_OFFSET 0x0030
+#define OMAP4430_PM_L3INIT_MMC2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0030)
+#define OMAP4_RM_L3INIT_MMC2_CONTEXT_OFFSET 0x0034
+#define OMAP4430_RM_L3INIT_MMC2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0034)
+#define OMAP4_PM_L3INIT_HSI_WKDEP_OFFSET 0x0038
+#define OMAP4430_PM_L3INIT_HSI_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0038)
+#define OMAP4_RM_L3INIT_HSI_CONTEXT_OFFSET 0x003c
+#define OMAP4430_RM_L3INIT_HSI_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x003c)
+#define OMAP4_PM_L3INIT_UNIPRO1_WKDEP_OFFSET 0x0040
+#define OMAP4430_PM_L3INIT_UNIPRO1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0040)
+#define OMAP4_RM_L3INIT_UNIPRO1_CONTEXT_OFFSET 0x0044
+#define OMAP4430_RM_L3INIT_UNIPRO1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0044)
+#define OMAP4_PM_L3INIT_USB_HOST_WKDEP_OFFSET 0x0058
+#define OMAP4430_PM_L3INIT_USB_HOST_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0058)
+#define OMAP4_RM_L3INIT_USB_HOST_CONTEXT_OFFSET 0x005c
+#define OMAP4430_RM_L3INIT_USB_HOST_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x005c)
+#define OMAP4_PM_L3INIT_USB_OTG_WKDEP_OFFSET 0x0060
+#define OMAP4430_PM_L3INIT_USB_OTG_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0060)
+#define OMAP4_RM_L3INIT_USB_OTG_CONTEXT_OFFSET 0x0064
+#define OMAP4430_RM_L3INIT_USB_OTG_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0064)
+#define OMAP4_PM_L3INIT_USB_TLL_WKDEP_OFFSET 0x0068
+#define OMAP4430_PM_L3INIT_USB_TLL_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0068)
+#define OMAP4_RM_L3INIT_USB_TLL_CONTEXT_OFFSET 0x006c
+#define OMAP4430_RM_L3INIT_USB_TLL_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x006c)
+#define OMAP4_RM_L3INIT_P1500_CONTEXT_OFFSET 0x007c
+#define OMAP4430_RM_L3INIT_P1500_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x007c)
+#define OMAP4_RM_L3INIT_EMAC_CONTEXT_OFFSET 0x0084
+#define OMAP4430_RM_L3INIT_EMAC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0084)
+#define OMAP4_PM_L3INIT_SATA_WKDEP_OFFSET 0x0088
+#define OMAP4430_PM_L3INIT_SATA_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0088)
+#define OMAP4_RM_L3INIT_SATA_CONTEXT_OFFSET 0x008c
+#define OMAP4430_RM_L3INIT_SATA_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x008c)
+#define OMAP4_RM_L3INIT_TPPSS_CONTEXT_OFFSET 0x0094
+#define OMAP4430_RM_L3INIT_TPPSS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0094)
+#define OMAP4_PM_L3INIT_PCIESS_WKDEP_OFFSET 0x0098
+#define OMAP4430_PM_L3INIT_PCIESS_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x0098)
+#define OMAP4_RM_L3INIT_PCIESS_CONTEXT_OFFSET 0x009c
+#define OMAP4430_RM_L3INIT_PCIESS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x009c)
+#define OMAP4_RM_L3INIT_CCPTX_CONTEXT_OFFSET 0x00ac
+#define OMAP4430_RM_L3INIT_CCPTX_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00ac)
+#define OMAP4_PM_L3INIT_XHPI_WKDEP_OFFSET 0x00c0
+#define OMAP4430_PM_L3INIT_XHPI_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00c0)
+#define OMAP4_RM_L3INIT_XHPI_CONTEXT_OFFSET 0x00c4
+#define OMAP4430_RM_L3INIT_XHPI_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00c4)
+#define OMAP4_PM_L3INIT_MMC6_WKDEP_OFFSET 0x00c8
+#define OMAP4430_PM_L3INIT_MMC6_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00c8)
+#define OMAP4_RM_L3INIT_MMC6_CONTEXT_OFFSET 0x00cc
+#define OMAP4430_RM_L3INIT_MMC6_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00cc)
+#define OMAP4_PM_L3INIT_USB_HOST_FS_WKDEP_OFFSET 0x00d0
+#define OMAP4430_PM_L3INIT_USB_HOST_FS_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00d0)
+#define OMAP4_RM_L3INIT_USB_HOST_FS_CONTEXT_OFFSET 0x00d4
+#define OMAP4430_RM_L3INIT_USB_HOST_FS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00d4)
+#define OMAP4_RM_L3INIT_USBPHYOCP2SCP_CONTEXT_OFFSET 0x00e4
+#define OMAP4430_RM_L3INIT_USBPHYOCP2SCP_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L3INIT_INST, 0x00e4)
+
+/* PRM.L4PER_PRM register offsets */
+#define OMAP4_PM_L4PER_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_L4PER_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0000)
+#define OMAP4_PM_L4PER_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_L4PER_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0004)
+#define OMAP4_RM_L4PER_ADC_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_L4PER_ADC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0024)
+#define OMAP4_PM_L4PER_DMTIMER10_WKDEP_OFFSET 0x0028
+#define OMAP4430_PM_L4PER_DMTIMER10_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0028)
+#define OMAP4_RM_L4PER_DMTIMER10_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_L4PER_DMTIMER10_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x002c)
+#define OMAP4_PM_L4PER_DMTIMER11_WKDEP_OFFSET 0x0030
+#define OMAP4430_PM_L4PER_DMTIMER11_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0030)
+#define OMAP4_RM_L4PER_DMTIMER11_CONTEXT_OFFSET 0x0034
+#define OMAP4430_RM_L4PER_DMTIMER11_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0034)
+#define OMAP4_PM_L4PER_DMTIMER2_WKDEP_OFFSET 0x0038
+#define OMAP4430_PM_L4PER_DMTIMER2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0038)
+#define OMAP4_RM_L4PER_DMTIMER2_CONTEXT_OFFSET 0x003c
+#define OMAP4430_RM_L4PER_DMTIMER2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x003c)
+#define OMAP4_PM_L4PER_DMTIMER3_WKDEP_OFFSET 0x0040
+#define OMAP4430_PM_L4PER_DMTIMER3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0040)
+#define OMAP4_RM_L4PER_DMTIMER3_CONTEXT_OFFSET 0x0044
+#define OMAP4430_RM_L4PER_DMTIMER3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0044)
+#define OMAP4_PM_L4PER_DMTIMER4_WKDEP_OFFSET 0x0048
+#define OMAP4430_PM_L4PER_DMTIMER4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0048)
+#define OMAP4_RM_L4PER_DMTIMER4_CONTEXT_OFFSET 0x004c
+#define OMAP4430_RM_L4PER_DMTIMER4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x004c)
+#define OMAP4_PM_L4PER_DMTIMER9_WKDEP_OFFSET 0x0050
+#define OMAP4430_PM_L4PER_DMTIMER9_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0050)
+#define OMAP4_RM_L4PER_DMTIMER9_CONTEXT_OFFSET 0x0054
+#define OMAP4430_RM_L4PER_DMTIMER9_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0054)
+#define OMAP4_RM_L4PER_ELM_CONTEXT_OFFSET 0x005c
+#define OMAP4430_RM_L4PER_ELM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x005c)
+#define OMAP4_PM_L4PER_GPIO2_WKDEP_OFFSET 0x0060
+#define OMAP4430_PM_L4PER_GPIO2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0060)
+#define OMAP4_RM_L4PER_GPIO2_CONTEXT_OFFSET 0x0064
+#define OMAP4430_RM_L4PER_GPIO2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0064)
+#define OMAP4_PM_L4PER_GPIO3_WKDEP_OFFSET 0x0068
+#define OMAP4430_PM_L4PER_GPIO3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0068)
+#define OMAP4_RM_L4PER_GPIO3_CONTEXT_OFFSET 0x006c
+#define OMAP4430_RM_L4PER_GPIO3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x006c)
+#define OMAP4_PM_L4PER_GPIO4_WKDEP_OFFSET 0x0070
+#define OMAP4430_PM_L4PER_GPIO4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0070)
+#define OMAP4_RM_L4PER_GPIO4_CONTEXT_OFFSET 0x0074
+#define OMAP4430_RM_L4PER_GPIO4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0074)
+#define OMAP4_PM_L4PER_GPIO5_WKDEP_OFFSET 0x0078
+#define OMAP4430_PM_L4PER_GPIO5_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0078)
+#define OMAP4_RM_L4PER_GPIO5_CONTEXT_OFFSET 0x007c
+#define OMAP4430_RM_L4PER_GPIO5_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x007c)
+#define OMAP4_PM_L4PER_GPIO6_WKDEP_OFFSET 0x0080
+#define OMAP4430_PM_L4PER_GPIO6_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0080)
+#define OMAP4_RM_L4PER_GPIO6_CONTEXT_OFFSET 0x0084
+#define OMAP4430_RM_L4PER_GPIO6_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0084)
+#define OMAP4_RM_L4PER_HDQ1W_CONTEXT_OFFSET 0x008c
+#define OMAP4430_RM_L4PER_HDQ1W_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x008c)
+#define OMAP4_PM_L4PER_HECC1_WKDEP_OFFSET 0x0090
+#define OMAP4430_PM_L4PER_HECC1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0090)
+#define OMAP4_RM_L4PER_HECC1_CONTEXT_OFFSET 0x0094
+#define OMAP4430_RM_L4PER_HECC1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0094)
+#define OMAP4_PM_L4PER_HECC2_WKDEP_OFFSET 0x0098
+#define OMAP4430_PM_L4PER_HECC2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0098)
+#define OMAP4_RM_L4PER_HECC2_CONTEXT_OFFSET 0x009c
+#define OMAP4430_RM_L4PER_HECC2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x009c)
+#define OMAP4_PM_L4PER_I2C1_WKDEP_OFFSET 0x00a0
+#define OMAP4430_PM_L4PER_I2C1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00a0)
+#define OMAP4_RM_L4PER_I2C1_CONTEXT_OFFSET 0x00a4
+#define OMAP4430_RM_L4PER_I2C1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00a4)
+#define OMAP4_PM_L4PER_I2C2_WKDEP_OFFSET 0x00a8
+#define OMAP4430_PM_L4PER_I2C2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00a8)
+#define OMAP4_RM_L4PER_I2C2_CONTEXT_OFFSET 0x00ac
+#define OMAP4430_RM_L4PER_I2C2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00ac)
+#define OMAP4_PM_L4PER_I2C3_WKDEP_OFFSET 0x00b0
+#define OMAP4430_PM_L4PER_I2C3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00b0)
+#define OMAP4_RM_L4PER_I2C3_CONTEXT_OFFSET 0x00b4
+#define OMAP4430_RM_L4PER_I2C3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00b4)
+#define OMAP4_PM_L4PER_I2C4_WKDEP_OFFSET 0x00b8
+#define OMAP4430_PM_L4PER_I2C4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00b8)
+#define OMAP4_RM_L4PER_I2C4_CONTEXT_OFFSET 0x00bc
+#define OMAP4430_RM_L4PER_I2C4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00bc)
+#define OMAP4_RM_L4PER_L4_PER_CONTEXT_OFFSET 0x00c0
+#define OMAP4430_RM_L4PER_L4_PER_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00c0)
+#define OMAP4_PM_L4PER_MCASP2_WKDEP_OFFSET 0x00d0
+#define OMAP4430_PM_L4PER_MCASP2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00d0)
+#define OMAP4_RM_L4PER_MCASP2_CONTEXT_OFFSET 0x00d4
+#define OMAP4430_RM_L4PER_MCASP2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00d4)
+#define OMAP4_PM_L4PER_MCASP3_WKDEP_OFFSET 0x00d8
+#define OMAP4430_PM_L4PER_MCASP3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00d8)
+#define OMAP4_RM_L4PER_MCASP3_CONTEXT_OFFSET 0x00dc
+#define OMAP4430_RM_L4PER_MCASP3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00dc)
+#define OMAP4_PM_L4PER_MCBSP4_WKDEP_OFFSET 0x00e0
+#define OMAP4430_PM_L4PER_MCBSP4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00e0)
+#define OMAP4_RM_L4PER_MCBSP4_CONTEXT_OFFSET 0x00e4
+#define OMAP4430_RM_L4PER_MCBSP4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00e4)
+#define OMAP4_RM_L4PER_MGATE_CONTEXT_OFFSET 0x00ec
+#define OMAP4430_RM_L4PER_MGATE_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00ec)
+#define OMAP4_PM_L4PER_MCSPI1_WKDEP_OFFSET 0x00f0
+#define OMAP4430_PM_L4PER_MCSPI1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00f0)
+#define OMAP4_RM_L4PER_MCSPI1_CONTEXT_OFFSET 0x00f4
+#define OMAP4430_RM_L4PER_MCSPI1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00f4)
+#define OMAP4_PM_L4PER_MCSPI2_WKDEP_OFFSET 0x00f8
+#define OMAP4430_PM_L4PER_MCSPI2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00f8)
+#define OMAP4_RM_L4PER_MCSPI2_CONTEXT_OFFSET 0x00fc
+#define OMAP4430_RM_L4PER_MCSPI2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x00fc)
+#define OMAP4_PM_L4PER_MCSPI3_WKDEP_OFFSET 0x0100
+#define OMAP4430_PM_L4PER_MCSPI3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0100)
+#define OMAP4_RM_L4PER_MCSPI3_CONTEXT_OFFSET 0x0104
+#define OMAP4430_RM_L4PER_MCSPI3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0104)
+#define OMAP4_PM_L4PER_MCSPI4_WKDEP_OFFSET 0x0108
+#define OMAP4430_PM_L4PER_MCSPI4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0108)
+#define OMAP4_RM_L4PER_MCSPI4_CONTEXT_OFFSET 0x010c
+#define OMAP4430_RM_L4PER_MCSPI4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x010c)
+#define OMAP4_PM_L4PER_MMCSD3_WKDEP_OFFSET 0x0120
+#define OMAP4430_PM_L4PER_MMCSD3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0120)
+#define OMAP4_RM_L4PER_MMCSD3_CONTEXT_OFFSET 0x0124
+#define OMAP4430_RM_L4PER_MMCSD3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0124)
+#define OMAP4_PM_L4PER_MMCSD4_WKDEP_OFFSET 0x0128
+#define OMAP4430_PM_L4PER_MMCSD4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0128)
+#define OMAP4_RM_L4PER_MMCSD4_CONTEXT_OFFSET 0x012c
+#define OMAP4430_RM_L4PER_MMCSD4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x012c)
+#define OMAP4_RM_L4PER_MSPROHG_CONTEXT_OFFSET 0x0134
+#define OMAP4430_RM_L4PER_MSPROHG_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0134)
+#define OMAP4_PM_L4PER_SLIMBUS2_WKDEP_OFFSET 0x0138
+#define OMAP4430_PM_L4PER_SLIMBUS2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0138)
+#define OMAP4_RM_L4PER_SLIMBUS2_CONTEXT_OFFSET 0x013c
+#define OMAP4430_RM_L4PER_SLIMBUS2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x013c)
+#define OMAP4_PM_L4PER_UART1_WKDEP_OFFSET 0x0140
+#define OMAP4430_PM_L4PER_UART1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0140)
+#define OMAP4_RM_L4PER_UART1_CONTEXT_OFFSET 0x0144
+#define OMAP4430_RM_L4PER_UART1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0144)
+#define OMAP4_PM_L4PER_UART2_WKDEP_OFFSET 0x0148
+#define OMAP4430_PM_L4PER_UART2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0148)
+#define OMAP4_RM_L4PER_UART2_CONTEXT_OFFSET 0x014c
+#define OMAP4430_RM_L4PER_UART2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x014c)
+#define OMAP4_PM_L4PER_UART3_WKDEP_OFFSET 0x0150
+#define OMAP4430_PM_L4PER_UART3_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0150)
+#define OMAP4_RM_L4PER_UART3_CONTEXT_OFFSET 0x0154
+#define OMAP4430_RM_L4PER_UART3_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0154)
+#define OMAP4_PM_L4PER_UART4_WKDEP_OFFSET 0x0158
+#define OMAP4430_PM_L4PER_UART4_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0158)
+#define OMAP4_RM_L4PER_UART4_CONTEXT_OFFSET 0x015c
+#define OMAP4430_RM_L4PER_UART4_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x015c)
+#define OMAP4_PM_L4PER_MMCSD5_WKDEP_OFFSET 0x0160
+#define OMAP4430_PM_L4PER_MMCSD5_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0160)
+#define OMAP4_RM_L4PER_MMCSD5_CONTEXT_OFFSET 0x0164
+#define OMAP4430_RM_L4PER_MMCSD5_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0164)
+#define OMAP4_PM_L4PER_I2C5_WKDEP_OFFSET 0x0168
+#define OMAP4430_PM_L4PER_I2C5_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x0168)
+#define OMAP4_RM_L4PER_I2C5_CONTEXT_OFFSET 0x016c
+#define OMAP4430_RM_L4PER_I2C5_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x016c)
+#define OMAP4_RM_L4SEC_AES1_CONTEXT_OFFSET 0x01a4
+#define OMAP4430_RM_L4SEC_AES1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01a4)
+#define OMAP4_RM_L4SEC_AES2_CONTEXT_OFFSET 0x01ac
+#define OMAP4430_RM_L4SEC_AES2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01ac)
+#define OMAP4_RM_L4SEC_DES3DES_CONTEXT_OFFSET 0x01b4
+#define OMAP4430_RM_L4SEC_DES3DES_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01b4)
+#define OMAP4_RM_L4SEC_PKAEIP29_CONTEXT_OFFSET 0x01bc
+#define OMAP4430_RM_L4SEC_PKAEIP29_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01bc)
+#define OMAP4_RM_L4SEC_RNG_CONTEXT_OFFSET 0x01c4
+#define OMAP4430_RM_L4SEC_RNG_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01c4)
+#define OMAP4_RM_L4SEC_SHA2MD51_CONTEXT_OFFSET 0x01cc
+#define OMAP4430_RM_L4SEC_SHA2MD51_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01cc)
+#define OMAP4_RM_L4SEC_CRYPTODMA_CONTEXT_OFFSET 0x01dc
+#define OMAP4430_RM_L4SEC_CRYPTODMA_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_L4PER_INST, 0x01dc)
+
+/* PRM.CEFUSE_PRM register offsets */
+#define OMAP4_PM_CEFUSE_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_CEFUSE_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_INST, 0x0000)
+#define OMAP4_PM_CEFUSE_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_CEFUSE_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_INST, 0x0004)
+#define OMAP4_RM_CEFUSE_CEFUSE_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_CEFUSE_CEFUSE_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_CEFUSE_INST, 0x0024)
+
+/* PRM.WKUP_PRM register offsets */
+#define OMAP4_RM_WKUP_L4WKUP_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_WKUP_L4WKUP_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0024)
+#define OMAP4_RM_WKUP_WDT1_CONTEXT_OFFSET 0x002c
+#define OMAP4430_RM_WKUP_WDT1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x002c)
+#define OMAP4_PM_WKUP_WDT2_WKDEP_OFFSET 0x0030
+#define OMAP4430_PM_WKUP_WDT2_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0030)
+#define OMAP4_RM_WKUP_WDT2_CONTEXT_OFFSET 0x0034
+#define OMAP4430_RM_WKUP_WDT2_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0034)
+#define OMAP4_PM_WKUP_GPIO1_WKDEP_OFFSET 0x0038
+#define OMAP4430_PM_WKUP_GPIO1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0038)
+#define OMAP4_RM_WKUP_GPIO1_CONTEXT_OFFSET 0x003c
+#define OMAP4430_RM_WKUP_GPIO1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x003c)
+#define OMAP4_PM_WKUP_TIMER1_WKDEP_OFFSET 0x0040
+#define OMAP4430_PM_WKUP_TIMER1_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0040)
+#define OMAP4_RM_WKUP_TIMER1_CONTEXT_OFFSET 0x0044
+#define OMAP4430_RM_WKUP_TIMER1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0044)
+#define OMAP4_PM_WKUP_TIMER12_WKDEP_OFFSET 0x0048
+#define OMAP4430_PM_WKUP_TIMER12_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0048)
+#define OMAP4_RM_WKUP_TIMER12_CONTEXT_OFFSET 0x004c
+#define OMAP4430_RM_WKUP_TIMER12_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x004c)
+#define OMAP4_RM_WKUP_SYNCTIMER_CONTEXT_OFFSET 0x0054
+#define OMAP4430_RM_WKUP_SYNCTIMER_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0054)
+#define OMAP4_PM_WKUP_USIM_WKDEP_OFFSET 0x0058
+#define OMAP4430_PM_WKUP_USIM_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0058)
+#define OMAP4_RM_WKUP_USIM_CONTEXT_OFFSET 0x005c
+#define OMAP4430_RM_WKUP_USIM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x005c)
+#define OMAP4_RM_WKUP_SARRAM_CONTEXT_OFFSET 0x0064
+#define OMAP4430_RM_WKUP_SARRAM_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0064)
+#define OMAP4_PM_WKUP_KEYBOARD_WKDEP_OFFSET 0x0078
+#define OMAP4430_PM_WKUP_KEYBOARD_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0078)
+#define OMAP4_RM_WKUP_KEYBOARD_CONTEXT_OFFSET 0x007c
+#define OMAP4430_RM_WKUP_KEYBOARD_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x007c)
+#define OMAP4_PM_WKUP_RTC_WKDEP_OFFSET 0x0080
+#define OMAP4430_PM_WKUP_RTC_WKDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0080)
+#define OMAP4_RM_WKUP_RTC_CONTEXT_OFFSET 0x0084
+#define OMAP4430_RM_WKUP_RTC_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_INST, 0x0084)
+
+/* PRM.WKUP_CM register offsets */
+#define OMAP4_CM_WKUP_CLKSTCTRL_OFFSET 0x0000
+#define OMAP4430_CM_WKUP_CLKSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0000)
+#define OMAP4_CM_WKUP_L4WKUP_CLKCTRL_OFFSET 0x0020
+#define OMAP4430_CM_WKUP_L4WKUP_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0020)
+#define OMAP4_CM_WKUP_WDT1_CLKCTRL_OFFSET 0x0028
+#define OMAP4430_CM_WKUP_WDT1_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0028)
+#define OMAP4_CM_WKUP_WDT2_CLKCTRL_OFFSET 0x0030
+#define OMAP4430_CM_WKUP_WDT2_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0030)
+#define OMAP4_CM_WKUP_GPIO1_CLKCTRL_OFFSET 0x0038
+#define OMAP4430_CM_WKUP_GPIO1_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0038)
+#define OMAP4_CM_WKUP_TIMER1_CLKCTRL_OFFSET 0x0040
+#define OMAP4430_CM_WKUP_TIMER1_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0040)
+#define OMAP4_CM_WKUP_TIMER12_CLKCTRL_OFFSET 0x0048
+#define OMAP4430_CM_WKUP_TIMER12_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0048)
+#define OMAP4_CM_WKUP_SYNCTIMER_CLKCTRL_OFFSET 0x0050
+#define OMAP4430_CM_WKUP_SYNCTIMER_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0050)
+#define OMAP4_CM_WKUP_USIM_CLKCTRL_OFFSET 0x0058
+#define OMAP4430_CM_WKUP_USIM_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0058)
+#define OMAP4_CM_WKUP_SARRAM_CLKCTRL_OFFSET 0x0060
+#define OMAP4430_CM_WKUP_SARRAM_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0060)
+#define OMAP4_CM_WKUP_KEYBOARD_CLKCTRL_OFFSET 0x0078
+#define OMAP4430_CM_WKUP_KEYBOARD_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0078)
+#define OMAP4_CM_WKUP_RTC_CLKCTRL_OFFSET 0x0080
+#define OMAP4430_CM_WKUP_RTC_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0080)
+#define OMAP4_CM_WKUP_BANDGAP_CLKCTRL_OFFSET 0x0088
+#define OMAP4430_CM_WKUP_BANDGAP_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_WKUP_CM_INST, 0x0088)
+
+/* PRM.EMU_PRM register offsets */
+#define OMAP4_PM_EMU_PWRSTCTRL_OFFSET 0x0000
+#define OMAP4430_PM_EMU_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_INST, 0x0000)
+#define OMAP4_PM_EMU_PWRSTST_OFFSET 0x0004
+#define OMAP4430_PM_EMU_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_INST, 0x0004)
+#define OMAP4_RM_EMU_DEBUGSS_CONTEXT_OFFSET 0x0024
+#define OMAP4430_RM_EMU_DEBUGSS_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_INST, 0x0024)
+
+/* PRM.EMU_CM register offsets */
+#define OMAP4_CM_EMU_CLKSTCTRL_OFFSET 0x0000
+#define OMAP4430_CM_EMU_CLKSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_INST, 0x0000)
+#define OMAP4_CM_EMU_DYNAMICDEP_OFFSET 0x0008
+#define OMAP4430_CM_EMU_DYNAMICDEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_INST, 0x0008)
+#define OMAP4_CM_EMU_DEBUGSS_CLKCTRL_OFFSET 0x0020
+#define OMAP4430_CM_EMU_DEBUGSS_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_EMU_CM_INST, 0x0020)
+
+/* PRM.DEVICE_PRM register offsets */
+#define OMAP4_PRM_RSTCTRL_OFFSET 0x0000
+#define OMAP4430_PRM_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0000)
+#define OMAP4_PRM_RSTST_OFFSET 0x0004
+#define OMAP4430_PRM_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0004)
+#define OMAP4_PRM_RSTTIME_OFFSET 0x0008
+#define OMAP4430_PRM_RSTTIME OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0008)
+#define OMAP4_PRM_CLKREQCTRL_OFFSET 0x000c
+#define OMAP4430_PRM_CLKREQCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x000c)
+#define OMAP4_PRM_VOLTCTRL_OFFSET 0x0010
+#define OMAP4430_PRM_VOLTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0010)
+#define OMAP4_PRM_PWRREQCTRL_OFFSET 0x0014
+#define OMAP4430_PRM_PWRREQCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0014)
+#define OMAP4_PRM_PSCON_COUNT_OFFSET 0x0018
+#define OMAP4430_PRM_PSCON_COUNT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0018)
+#define OMAP4_PRM_IO_COUNT_OFFSET 0x001c
+#define OMAP4430_PRM_IO_COUNT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x001c)
+#define OMAP4_PRM_IO_PMCTRL_OFFSET 0x0020
+#define OMAP4430_PRM_IO_PMCTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0020)
+#define OMAP4_PRM_VOLTSETUP_WARMRESET_OFFSET 0x0024
+#define OMAP4430_PRM_VOLTSETUP_WARMRESET OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0024)
+#define OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET 0x0028
+#define OMAP4430_PRM_VOLTSETUP_CORE_OFF OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0028)
+#define OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET 0x002c
+#define OMAP4430_PRM_VOLTSETUP_MPU_OFF OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x002c)
+#define OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET 0x0030
+#define OMAP4430_PRM_VOLTSETUP_IVA_OFF OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0030)
+#define OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET 0x0034
+#define OMAP4430_PRM_VOLTSETUP_CORE_RET_SLEEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0034)
+#define OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET 0x0038
+#define OMAP4430_PRM_VOLTSETUP_MPU_RET_SLEEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0038)
+#define OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET 0x003c
+#define OMAP4430_PRM_VOLTSETUP_IVA_RET_SLEEP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x003c)
+#define OMAP4_PRM_VP_CORE_CONFIG_OFFSET 0x0040
+#define OMAP4430_PRM_VP_CORE_CONFIG OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0040)
+#define OMAP4_PRM_VP_CORE_STATUS_OFFSET 0x0044
+#define OMAP4430_PRM_VP_CORE_STATUS OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0044)
+#define OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET 0x0048
+#define OMAP4430_PRM_VP_CORE_VLIMITTO OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0048)
+#define OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET 0x004c
+#define OMAP4430_PRM_VP_CORE_VOLTAGE OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x004c)
+#define OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET 0x0050
+#define OMAP4430_PRM_VP_CORE_VSTEPMAX OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0050)
+#define OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET 0x0054
+#define OMAP4430_PRM_VP_CORE_VSTEPMIN OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0054)
+#define OMAP4_PRM_VP_MPU_CONFIG_OFFSET 0x0058
+#define OMAP4430_PRM_VP_MPU_CONFIG OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0058)
+#define OMAP4_PRM_VP_MPU_STATUS_OFFSET 0x005c
+#define OMAP4430_PRM_VP_MPU_STATUS OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x005c)
+#define OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET 0x0060
+#define OMAP4430_PRM_VP_MPU_VLIMITTO OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0060)
+#define OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET 0x0064
+#define OMAP4430_PRM_VP_MPU_VOLTAGE OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0064)
+#define OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET 0x0068
+#define OMAP4430_PRM_VP_MPU_VSTEPMAX OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0068)
+#define OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET 0x006c
+#define OMAP4430_PRM_VP_MPU_VSTEPMIN OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x006c)
+#define OMAP4_PRM_VP_IVA_CONFIG_OFFSET 0x0070
+#define OMAP4430_PRM_VP_IVA_CONFIG OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0070)
+#define OMAP4_PRM_VP_IVA_STATUS_OFFSET 0x0074
+#define OMAP4430_PRM_VP_IVA_STATUS OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0074)
+#define OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET 0x0078
+#define OMAP4430_PRM_VP_IVA_VLIMITTO OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0078)
+#define OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET 0x007c
+#define OMAP4430_PRM_VP_IVA_VOLTAGE OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x007c)
+#define OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET 0x0080
+#define OMAP4430_PRM_VP_IVA_VSTEPMAX OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0080)
+#define OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET 0x0084
+#define OMAP4430_PRM_VP_IVA_VSTEPMIN OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0084)
+#define OMAP4_PRM_VC_SMPS_SA_OFFSET 0x0088
+#define OMAP4430_PRM_VC_SMPS_SA OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0088)
+#define OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET 0x008c
+#define OMAP4430_PRM_VC_VAL_SMPS_RA_VOL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x008c)
+#define OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET 0x0090
+#define OMAP4430_PRM_VC_VAL_SMPS_RA_CMD OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0090)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET 0x0094
+#define OMAP4430_PRM_VC_VAL_CMD_VDD_CORE_L OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0094)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET 0x0098
+#define OMAP4430_PRM_VC_VAL_CMD_VDD_MPU_L OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x0098)
+#define OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET 0x009c
+#define OMAP4430_PRM_VC_VAL_CMD_VDD_IVA_L OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x009c)
+#define OMAP4_PRM_VC_VAL_BYPASS_OFFSET 0x00a0
+#define OMAP4430_PRM_VC_VAL_BYPASS OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00a0)
+#define OMAP4_PRM_VC_CFG_CHANNEL_OFFSET 0x00a4
+#define OMAP4430_PRM_VC_CFG_CHANNEL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00a4)
+#define OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET 0x00a8
+#define OMAP4430_PRM_VC_CFG_I2C_MODE OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00a8)
+#define OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET 0x00ac
+#define OMAP4430_PRM_VC_CFG_I2C_CLK OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00ac)
+#define OMAP4_PRM_SRAM_COUNT_OFFSET 0x00b0
+#define OMAP4430_PRM_SRAM_COUNT OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00b0)
+#define OMAP4_PRM_SRAM_WKUP_SETUP_OFFSET 0x00b4
+#define OMAP4430_PRM_SRAM_WKUP_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00b4)
+#define OMAP4_PRM_LDO_SRAM_CORE_SETUP_OFFSET 0x00b8
+#define OMAP4430_PRM_LDO_SRAM_CORE_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00b8)
+#define OMAP4_PRM_LDO_SRAM_CORE_CTRL_OFFSET 0x00bc
+#define OMAP4430_PRM_LDO_SRAM_CORE_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00bc)
+#define OMAP4_PRM_LDO_SRAM_MPU_SETUP_OFFSET 0x00c0
+#define OMAP4430_PRM_LDO_SRAM_MPU_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00c0)
+#define OMAP4_PRM_LDO_SRAM_MPU_CTRL_OFFSET 0x00c4
+#define OMAP4430_PRM_LDO_SRAM_MPU_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00c4)
+#define OMAP4_PRM_LDO_SRAM_IVA_SETUP_OFFSET 0x00c8
+#define OMAP4430_PRM_LDO_SRAM_IVA_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00c8)
+#define OMAP4_PRM_LDO_SRAM_IVA_CTRL_OFFSET 0x00cc
+#define OMAP4430_PRM_LDO_SRAM_IVA_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00cc)
+#define OMAP4_PRM_LDO_ABB_MPU_SETUP_OFFSET 0x00d0
+#define OMAP4430_PRM_LDO_ABB_MPU_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00d0)
+#define OMAP4_PRM_LDO_ABB_MPU_CTRL_OFFSET 0x00d4
+#define OMAP4430_PRM_LDO_ABB_MPU_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00d4)
+#define OMAP4_PRM_LDO_ABB_IVA_SETUP_OFFSET 0x00d8
+#define OMAP4430_PRM_LDO_ABB_IVA_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00d8)
+#define OMAP4_PRM_LDO_ABB_IVA_CTRL_OFFSET 0x00dc
+#define OMAP4430_PRM_LDO_ABB_IVA_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00dc)
+#define OMAP4_PRM_LDO_BANDGAP_SETUP_OFFSET 0x00e0
+#define OMAP4430_PRM_LDO_BANDGAP_SETUP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00e0)
+#define OMAP4_PRM_DEVICE_OFF_CTRL_OFFSET 0x00e4
+#define OMAP4430_PRM_DEVICE_OFF_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00e4)
+#define OMAP4_PRM_PHASE1_CNDP_OFFSET 0x00e8
+#define OMAP4430_PRM_PHASE1_CNDP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00e8)
+#define OMAP4_PRM_PHASE2A_CNDP_OFFSET 0x00ec
+#define OMAP4430_PRM_PHASE2A_CNDP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00ec)
+#define OMAP4_PRM_PHASE2B_CNDP_OFFSET 0x00f0
+#define OMAP4430_PRM_PHASE2B_CNDP OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00f0)
+#define OMAP4_PRM_MODEM_IF_CTRL_OFFSET 0x00f4
+#define OMAP4430_PRM_MODEM_IF_CTRL OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00f4)
+#define OMAP4_PRM_VC_ERRST_OFFSET 0x00f8
+#define OMAP4430_PRM_VC_ERRST OMAP44XX_PRM_REGADDR(OMAP4430_PRM_DEVICE_INST, 0x00f8)
+
+#endif
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-rw-r--r--drivers/watchdog/ixp4xx_wdt.c (renamed from drivers/char/watchdog/ixp4xx_wdt.c)90
-rw-r--r--drivers/watchdog/jz4740_wdt.c223
-rw-r--r--drivers/watchdog/kempld_wdt.c579
-rw-r--r--drivers/watchdog/ks8695_wdt.c326
-rw-r--r--drivers/watchdog/lantiq_wdt.c251
-rw-r--r--drivers/watchdog/m54xx_wdt.c225
-rw-r--r--drivers/watchdog/machzwd.c456
-rw-r--r--drivers/watchdog/max63xx_wdt.c258
-rw-r--r--drivers/watchdog/mena21_wdt.c270
-rw-r--r--drivers/watchdog/mixcomwd.c317
-rw-r--r--drivers/watchdog/moxart_wdt.c180
-rw-r--r--drivers/watchdog/mpc8xxx_wdt.c297
-rw-r--r--drivers/watchdog/mtx-1_wdt.c259
-rw-r--r--drivers/watchdog/mv64x60_wdt.c326
-rw-r--r--drivers/watchdog/nuc900_wdt.c309
-rw-r--r--drivers/watchdog/nv_tco.c515
-rw-r--r--drivers/watchdog/nv_tco.h64
-rw-r--r--drivers/watchdog/octeon-wdt-main.c755
-rw-r--r--drivers/watchdog/octeon-wdt-nmi.S64
-rw-r--r--drivers/watchdog/of_xilinx_wdt.c249
-rw-r--r--drivers/watchdog/omap_wdt.c366
-rw-r--r--drivers/watchdog/omap_wdt.h54
-rw-r--r--drivers/watchdog/orion_wdt.c615
-rw-r--r--drivers/watchdog/pc87413_wdt.c595
-rw-r--r--drivers/watchdog/pcwd.c1013
-rw-r--r--drivers/watchdog/pcwd_pci.c822
-rw-r--r--drivers/watchdog/pcwd_usb.c810
-rw-r--r--drivers/watchdog/pika_wdt.c301
-rw-r--r--drivers/watchdog/pnx4008_wdt.c234
-rw-r--r--drivers/watchdog/pnx833x_wdt.c280
-rw-r--r--drivers/watchdog/rc32434_wdt.c330
-rw-r--r--drivers/watchdog/rdc321x_wdt.c299
-rw-r--r--drivers/watchdog/retu_wdt.c177
-rw-r--r--drivers/watchdog/riowd.c247
-rw-r--r--drivers/watchdog/rt2880_wdt.c206
-rw-r--r--drivers/watchdog/s3c2410_wdt.c709
-rw-r--r--drivers/watchdog/sa1100_wdt.c195
-rw-r--r--drivers/watchdog/sb_wdog.c361
-rw-r--r--drivers/watchdog/sbc60xxwdt.c389
-rw-r--r--drivers/watchdog/sbc7240_wdt.c311
-rw-r--r--drivers/watchdog/sbc8360.c408
-rw-r--r--drivers/watchdog/sbc_epx_c3.c222
-rw-r--r--drivers/watchdog/sbc_fitpc2_wdt.c265
-rw-r--r--drivers/watchdog/sc1200wdt.c479
-rw-r--r--drivers/watchdog/sc520_wdt.c434
-rw-r--r--drivers/watchdog/sch311x_wdt.c546
-rw-r--r--drivers/watchdog/scx200_wdt.c271
-rw-r--r--drivers/watchdog/shwdt.c355
-rw-r--r--drivers/watchdog/sirfsoc_wdt.c226
-rw-r--r--drivers/watchdog/smsc37b787_wdt.c618
-rw-r--r--drivers/watchdog/softdog.c208
-rw-r--r--drivers/watchdog/sp5100_tco.c582
-rw-r--r--drivers/watchdog/sp5100_tco.h65
-rw-r--r--drivers/watchdog/sp805_wdt.c308
-rw-r--r--drivers/watchdog/stmp3xxx_rtc_wdt.c108
-rw-r--r--drivers/watchdog/sunxi_wdt.c237
-rw-r--r--drivers/watchdog/tegra_wdt.c302
-rw-r--r--drivers/watchdog/ts72xx_wdt.c452
-rw-r--r--drivers/watchdog/twl4030_wdt.c154
-rw-r--r--drivers/watchdog/txx9wdt.c178
-rw-r--r--drivers/watchdog/ux500_wdt.c169
-rw-r--r--drivers/watchdog/via_wdt.c260
-rw-r--r--drivers/watchdog/w83627hf_wdt.c485
-rw-r--r--drivers/watchdog/w83877f_wdt.c408
-rw-r--r--drivers/watchdog/w83977f_wdt.c529
-rw-r--r--drivers/watchdog/wafer5823wdt.c326
-rw-r--r--drivers/watchdog/watchdog_core.c226
-rw-r--r--drivers/watchdog/watchdog_core.h37
-rw-r--r--drivers/watchdog/watchdog_dev.c604
-rw-r--r--drivers/watchdog/wd501p.h51
-rw-r--r--drivers/watchdog/wdrtas.c640
-rw-r--r--drivers/watchdog/wdt.c667
-rw-r--r--drivers/watchdog/wdt285.c (renamed from drivers/char/watchdog/wdt285.c)54
-rw-r--r--drivers/watchdog/wdt977.c509
-rw-r--r--drivers/watchdog/wdt_pci.c745
-rw-r--r--drivers/watchdog/wm831x_wdt.c312
-rw-r--r--drivers/watchdog/wm8350_wdt.c180
-rw-r--r--drivers/watchdog/xen_wdt.c364
-rw-r--r--drivers/xen/Kconfig243
-rw-r--r--drivers/xen/Makefile39
-rw-r--r--drivers/xen/acpi.c77
-rw-r--r--drivers/xen/balloon.c707
-rw-r--r--drivers/xen/biomerge.c15
-rw-r--r--drivers/xen/cpu_hotplug.c114
-rw-r--r--drivers/xen/dbgp.c50
-rw-r--r--drivers/xen/events/Makefile5
-rw-r--r--drivers/xen/events/events_2l.c365
-rw-r--r--drivers/xen/events/events_base.c1693
-rw-r--r--drivers/xen/events/events_fifo.c443
-rw-r--r--drivers/xen/events/events_internal.h151
-rw-r--r--drivers/xen/evtchn.c586
-rw-r--r--drivers/xen/fallback.c81
-rw-r--r--drivers/xen/features.c33
-rw-r--r--drivers/xen/gntalloc.c610
-rw-r--r--drivers/xen/gntdev.c867
-rw-r--r--drivers/xen/grant-table.c1271
-rw-r--r--drivers/xen/manage.c353
-rw-r--r--drivers/xen/mcelog.c406
-rw-r--r--drivers/xen/pci.c243
-rw-r--r--drivers/xen/pcpu.c406
-rw-r--r--drivers/xen/platform-pci.c200
-rw-r--r--drivers/xen/privcmd.c630
-rw-r--r--drivers/xen/privcmd.h3
-rw-r--r--drivers/xen/swiotlb-xen.c685
-rw-r--r--drivers/xen/sys-hypervisor.c460
-rw-r--r--drivers/xen/tmem.c426
-rw-r--r--drivers/xen/xen-acpi-cpuhotplug.c462
-rw-r--r--drivers/xen/xen-acpi-memhotplug.c485
-rw-r--r--drivers/xen/xen-acpi-pad.c170
-rw-r--r--drivers/xen/xen-acpi-processor.c597
-rw-r--r--drivers/xen/xen-balloon.c259
-rw-r--r--drivers/xen/xen-pciback/Makefile7
-rw-r--r--drivers/xen/xen-pciback/conf_space.c438
-rw-r--r--drivers/xen/xen-pciback/conf_space.h126
-rw-r--r--drivers/xen/xen-pciback/conf_space_capability.c207
-rw-r--r--drivers/xen/xen-pciback/conf_space_header.c385
-rw-r--r--drivers/xen/xen-pciback/conf_space_quirks.c139
-rw-r--r--drivers/xen/xen-pciback/conf_space_quirks.h33
-rw-r--r--drivers/xen/xen-pciback/passthrough.c188
-rw-r--r--drivers/xen/xen-pciback/pci_stub.c1540
-rw-r--r--drivers/xen/xen-pciback/pciback.h192
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c387
-rw-r--r--drivers/xen/xen-pciback/vpci.c262
-rw-r--r--drivers/xen/xen-pciback/xenbus.c747
-rw-r--r--drivers/xen/xen-selfballoon.c579
-rw-r--r--drivers/xen/xen-stub.c100
-rw-r--r--drivers/xen/xenbus/Makefile14
-rw-r--r--drivers/xen/xenbus/xenbus_client.c724
-rw-r--r--drivers/xen/xenbus/xenbus_comms.c243
-rw-r--r--drivers/xen/xenbus/xenbus_comms.h52
-rw-r--r--drivers/xen/xenbus/xenbus_dev_backend.c142
-rw-r--r--drivers/xen/xenbus/xenbus_dev_frontend.c631
-rw-r--r--drivers/xen/xenbus/xenbus_probe.c806
-rw-r--r--drivers/xen/xenbus/xenbus_probe.h86
-rw-r--r--drivers/xen/xenbus/xenbus_probe_backend.c274
-rw-r--r--drivers/xen/xenbus/xenbus_probe_frontend.c510
-rw-r--r--drivers/xen/xenbus/xenbus_xs.c981
-rw-r--r--drivers/xen/xenfs/Makefile4
-rw-r--r--drivers/xen/xenfs/super.c99
-rw-r--r--drivers/xen/xenfs/xenfs.h7
-rw-r--r--drivers/xen/xenfs/xenstored.c68
-rw-r--r--drivers/zorro/.gitignore2
-rw-r--r--drivers/zorro/Makefile3
-rw-r--r--drivers/zorro/names.c12
-rw-r--r--drivers/zorro/proc.c133
-rw-r--r--drivers/zorro/zorro-driver.c60
-rw-r--r--drivers/zorro/zorro-sysfs.c74
-rw-r--r--drivers/zorro/zorro.c257
-rw-r--r--drivers/zorro/zorro.h7
-rw-r--r--drivers/zorro/zorro.ids8
19137 files changed, 9359295 insertions, 2014604 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index cecab0acc3f..0e87a34b647 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -1,28 +1,38 @@
-# drivers/Kconfig
-
menu "Device Drivers"
source "drivers/base/Kconfig"
+source "drivers/bus/Kconfig"
+
+source "drivers/connector/Kconfig"
+
source "drivers/mtd/Kconfig"
+source "drivers/of/Kconfig"
+
source "drivers/parport/Kconfig"
source "drivers/pnp/Kconfig"
source "drivers/block/Kconfig"
+# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
+
+source "drivers/misc/Kconfig"
+
source "drivers/ide/Kconfig"
source "drivers/scsi/Kconfig"
-source "drivers/cdrom/Kconfig"
+source "drivers/ata/Kconfig"
source "drivers/md/Kconfig"
+source "drivers/target/Kconfig"
+
source "drivers/message/fusion/Kconfig"
-source "drivers/ieee1394/Kconfig"
+source "drivers/firewire/Kconfig"
source "drivers/message/i2o/Kconfig"
@@ -32,8 +42,6 @@ source "drivers/net/Kconfig"
source "drivers/isdn/Kconfig"
-source "drivers/telephony/Kconfig"
-
# input before char - char/joystick depends on it. As does USB.
source "drivers/input/Kconfig"
@@ -42,11 +50,37 @@ source "drivers/char/Kconfig"
source "drivers/i2c/Kconfig"
+source "drivers/spi/Kconfig"
+
+source "drivers/spmi/Kconfig"
+
+source "drivers/hsi/Kconfig"
+
+source "drivers/pps/Kconfig"
+
+source "drivers/ptp/Kconfig"
+
+source "drivers/pinctrl/Kconfig"
+
+source "drivers/gpio/Kconfig"
+
source "drivers/w1/Kconfig"
+source "drivers/power/Kconfig"
+
source "drivers/hwmon/Kconfig"
-source "drivers/misc/Kconfig"
+source "drivers/thermal/Kconfig"
+
+source "drivers/watchdog/Kconfig"
+
+source "drivers/ssb/Kconfig"
+
+source "drivers/bcma/Kconfig"
+
+source "drivers/mfd/Kconfig"
+
+source "drivers/regulator/Kconfig"
source "drivers/media/Kconfig"
@@ -54,12 +88,92 @@ source "drivers/video/Kconfig"
source "sound/Kconfig"
+source "drivers/hid/Kconfig"
+
source "drivers/usb/Kconfig"
+source "drivers/uwb/Kconfig"
+
source "drivers/mmc/Kconfig"
+source "drivers/memstick/Kconfig"
+
+source "drivers/leds/Kconfig"
+
+source "drivers/accessibility/Kconfig"
+
source "drivers/infiniband/Kconfig"
-source "drivers/sn/Kconfig"
+source "drivers/edac/Kconfig"
+
+source "drivers/rtc/Kconfig"
+
+source "drivers/dma/Kconfig"
+
+source "drivers/dca/Kconfig"
+
+source "drivers/auxdisplay/Kconfig"
+
+source "drivers/uio/Kconfig"
+
+source "drivers/vfio/Kconfig"
+
+source "drivers/vlynq/Kconfig"
+
+source "drivers/virt/Kconfig"
+
+source "drivers/virtio/Kconfig"
+
+source "drivers/hv/Kconfig"
+
+source "drivers/xen/Kconfig"
+
+source "drivers/staging/Kconfig"
+
+source "drivers/platform/Kconfig"
+
+source "drivers/soc/Kconfig"
+
+source "drivers/clk/Kconfig"
+
+source "drivers/hwspinlock/Kconfig"
+
+source "drivers/clocksource/Kconfig"
+
+source "drivers/mailbox/Kconfig"
+
+source "drivers/iommu/Kconfig"
+
+source "drivers/remoteproc/Kconfig"
+
+source "drivers/rpmsg/Kconfig"
+
+source "drivers/devfreq/Kconfig"
+
+source "drivers/extcon/Kconfig"
+
+source "drivers/memory/Kconfig"
+
+source "drivers/iio/Kconfig"
+
+source "drivers/ntb/Kconfig"
+
+source "drivers/vme/Kconfig"
+
+source "drivers/pwm/Kconfig"
+
+source "drivers/irqchip/Kconfig"
+
+source "drivers/ipack/Kconfig"
+
+source "drivers/reset/Kconfig"
+
+source "drivers/fmc/Kconfig"
+
+source "drivers/phy/Kconfig"
+
+source "drivers/powercap/Kconfig"
+
+source "drivers/mcb/Kconfig"
endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 126a851d565..f98b50d8251 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -5,63 +5,156 @@
# Rewritten to use lists instead of if-statements.
#
+obj-y += irqchip/
+obj-y += bus/
+
+obj-$(CONFIG_GENERIC_PHY) += phy/
+
+# GPIO must come after pinctrl as gpios may need to mux pins etc
+obj-y += pinctrl/
+obj-y += gpio/
+obj-y += pwm/
obj-$(CONFIG_PCI) += pci/
obj-$(CONFIG_PARISC) += parisc/
+obj-$(CONFIG_RAPIDIO) += rapidio/
obj-y += video/
-obj-$(CONFIG_ACPI_BOOT) += acpi/
+obj-y += idle/
+
+# IPMI must come before ACPI in order to provide IPMI opregion support
+obj-$(CONFIG_IPMI_HANDLER) += char/ipmi/
+
+obj-$(CONFIG_ACPI) += acpi/
+obj-$(CONFIG_SFI) += sfi/
# PnP must come after ACPI since it will eventually need to check if acpi
# was used and do nothing if so
obj-$(CONFIG_PNP) += pnp/
+obj-y += amba/
+# Many drivers will want to use DMA so this has to be made available
+# really early.
+obj-$(CONFIG_DMADEVICES) += dma/
+
+# SOC specific infrastructure drivers.
+obj-y += soc/
-# char/ comes before serial/ etc so that the VT console is the boot-time
+obj-$(CONFIG_VIRTIO) += virtio/
+obj-$(CONFIG_XEN) += xen/
+
+# regulators early, since some subsystems rely on them to initialize
+obj-$(CONFIG_REGULATOR) += regulator/
+
+# reset controllers early, since gpu drivers might rely on them to initialize
+obj-$(CONFIG_RESET_CONTROLLER) += reset/
+
+# tty/ comes before char/ so that the VT console is the boot-time
# default.
+obj-y += tty/
obj-y += char/
+# gpu/ comes after char for AGP vs DRM startup
+obj-y += gpu/
+
+obj-$(CONFIG_CONNECTOR) += connector/
+
# i810fb and intelfb depend on char/agp/
-obj-$(CONFIG_FB_I810) += video/i810/
-obj-$(CONFIG_FB_INTEL) += video/intelfb/
+obj-$(CONFIG_FB_I810) += video/fbdev/i810/
+obj-$(CONFIG_FB_INTEL) += video/fbdev/intelfb/
-# we also need input/serio early so serio bus is initialized by the time
-# serial drivers start registering their serio ports
-obj-$(CONFIG_SERIO) += input/serio/
-obj-y += serial/
obj-$(CONFIG_PARPORT) += parport/
-obj-y += base/ block/ misc/ net/ media/
+obj-y += base/ block/ misc/ mfd/ nfc/
obj-$(CONFIG_NUBUS) += nubus/
-obj-$(CONFIG_ATM) += atm/
-obj-$(CONFIG_PPC_PMAC) += macintosh/
+obj-y += macintosh/
obj-$(CONFIG_IDE) += ide/
-obj-$(CONFIG_FC4) += fc4/
obj-$(CONFIG_SCSI) += scsi/
+obj-$(CONFIG_ATA) += ata/
+obj-$(CONFIG_TARGET_CORE) += target/
+obj-$(CONFIG_MTD) += mtd/
+obj-$(CONFIG_SPI) += spi/
+obj-$(CONFIG_SPMI) += spmi/
+obj-y += hsi/
+obj-y += net/
+obj-$(CONFIG_ATM) += atm/
obj-$(CONFIG_FUSION) += message/
-obj-$(CONFIG_IEEE1394) += ieee1394/
+obj-y += firewire/
+obj-$(CONFIG_UIO) += uio/
+obj-$(CONFIG_VFIO) += vfio/
obj-y += cdrom/
-obj-$(CONFIG_MTD) += mtd/
+obj-y += auxdisplay/
obj-$(CONFIG_PCCARD) += pcmcia/
obj-$(CONFIG_DIO) += dio/
obj-$(CONFIG_SBUS) += sbus/
obj-$(CONFIG_ZORRO) += zorro/
-obj-$(CONFIG_MAC) += macintosh/
obj-$(CONFIG_ATA_OVER_ETH) += block/aoe/
obj-$(CONFIG_PARIDE) += block/paride/
obj-$(CONFIG_TC) += tc/
+obj-$(CONFIG_UWB) += uwb/
+obj-$(CONFIG_USB_PHY) += usb/
obj-$(CONFIG_USB) += usb/
-obj-$(CONFIG_USB_GADGET) += usb/gadget/
+obj-$(CONFIG_PCI) += usb/
+obj-$(CONFIG_USB_GADGET) += usb/
+obj-$(CONFIG_SERIO) += input/serio/
obj-$(CONFIG_GAMEPORT) += input/gameport/
obj-$(CONFIG_INPUT) += input/
obj-$(CONFIG_I2O) += message/
-obj-$(CONFIG_I2C) += i2c/
+obj-$(CONFIG_RTC_LIB) += rtc/
+obj-y += i2c/ media/
+obj-$(CONFIG_PPS) += pps/
+obj-$(CONFIG_PTP_1588_CLOCK) += ptp/
obj-$(CONFIG_W1) += w1/
+obj-$(CONFIG_POWER_SUPPLY) += power/
obj-$(CONFIG_HWMON) += hwmon/
-obj-$(CONFIG_PHONE) += telephony/
+obj-$(CONFIG_THERMAL) += thermal/
+obj-$(CONFIG_WATCHDOG) += watchdog/
obj-$(CONFIG_MD) += md/
obj-$(CONFIG_BT) += bluetooth/
+obj-$(CONFIG_ACCESSIBILITY) += accessibility/
obj-$(CONFIG_ISDN) += isdn/
-obj-$(CONFIG_MCA) += mca/
+obj-$(CONFIG_EDAC) += edac/
obj-$(CONFIG_EISA) += eisa/
+obj-y += lguest/
obj-$(CONFIG_CPU_FREQ) += cpufreq/
-obj-$(CONFIG_MMC) += mmc/
+obj-$(CONFIG_CPU_IDLE) += cpuidle/
+obj-y += mmc/
+obj-$(CONFIG_MEMSTICK) += memstick/
+obj-y += leds/
obj-$(CONFIG_INFINIBAND) += infiniband/
-obj-$(CONFIG_SGI_IOC4) += sn/
+obj-$(CONFIG_SGI_SN) += sn/
obj-y += firmware/
obj-$(CONFIG_CRYPTO) += crypto/
+obj-$(CONFIG_SUPERH) += sh/
+obj-$(CONFIG_ARCH_SHMOBILE) += sh/
+ifndef CONFIG_ARCH_USES_GETTIMEOFFSET
+obj-y += clocksource/
+endif
+obj-$(CONFIG_DCA) += dca/
+obj-$(CONFIG_HID) += hid/
+obj-$(CONFIG_PPC_PS3) += ps3/
+obj-$(CONFIG_OF) += of/
+obj-$(CONFIG_SSB) += ssb/
+obj-$(CONFIG_BCMA) += bcma/
+obj-$(CONFIG_VHOST_RING) += vhost/
+obj-$(CONFIG_VLYNQ) += vlynq/
+obj-$(CONFIG_STAGING) += staging/
+obj-y += platform/
+#common clk code
+obj-y += clk/
+
+obj-$(CONFIG_MAILBOX) += mailbox/
+obj-$(CONFIG_HWSPINLOCK) += hwspinlock/
+obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
+obj-$(CONFIG_REMOTEPROC) += remoteproc/
+obj-$(CONFIG_RPMSG) += rpmsg/
+
+# Virtualization drivers
+obj-$(CONFIG_VIRT_DRIVERS) += virt/
+obj-$(CONFIG_HYPERV) += hv/
+
+obj-$(CONFIG_PM_DEVFREQ) += devfreq/
+obj-$(CONFIG_EXTCON) += extcon/
+obj-$(CONFIG_MEMORY) += memory/
+obj-$(CONFIG_IIO) += iio/
+obj-$(CONFIG_VME_BUS) += vme/
+obj-$(CONFIG_IPACK_BUS) += ipack/
+obj-$(CONFIG_NTB) += ntb/
+obj-$(CONFIG_FMC) += fmc/
+obj-$(CONFIG_POWERCAP) += powercap/
+obj-$(CONFIG_MCB) += mcb/
diff --git a/drivers/accessibility/Kconfig b/drivers/accessibility/Kconfig
new file mode 100644
index 00000000000..ef3b65bfdd0
--- /dev/null
+++ b/drivers/accessibility/Kconfig
@@ -0,0 +1,33 @@
+menuconfig ACCESSIBILITY
+ bool "Accessibility support"
+ ---help---
+ Accessibility handles all special kinds of hardware devices or
+ software adapters which help people with disabilities (e.g.
+ blindness) to use computers.
+
+ That includes braille devices, speech synthesis, keyboard
+ remapping, etc.
+
+ Say Y here to get to see options for accessibility.
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+ If unsure, say N.
+
+if ACCESSIBILITY
+config A11Y_BRAILLE_CONSOLE
+ bool "Console on braille device"
+ depends on VT
+ depends on SERIAL_CORE_CONSOLE
+ ---help---
+ Enables console output on a braille device connected to a 8250
+ serial port. For now only the VisioBraille device is supported.
+
+ To actually enable it, you need to pass option
+ console=brl,ttyS0
+ to the kernel. Options are the same as for serial console.
+
+ If unsure, say N.
+
+endif # ACCESSIBILITY
diff --git a/drivers/accessibility/Makefile b/drivers/accessibility/Makefile
new file mode 100644
index 00000000000..72b01a46546
--- /dev/null
+++ b/drivers/accessibility/Makefile
@@ -0,0 +1 @@
+obj-y += braille/
diff --git a/drivers/accessibility/braille/Makefile b/drivers/accessibility/braille/Makefile
new file mode 100644
index 00000000000..2e9f16c9134
--- /dev/null
+++ b/drivers/accessibility/braille/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_A11Y_BRAILLE_CONSOLE) += braille_console.o
diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c
new file mode 100644
index 00000000000..dc34a5b8bce
--- /dev/null
+++ b/drivers/accessibility/braille/braille_console.c
@@ -0,0 +1,393 @@
+/*
+ * Minimalistic braille device kernel support.
+ *
+ * By default, shows console messages on the braille device.
+ * Pressing Insert switches to VC browsing.
+ *
+ * Copyright (C) Samuel Thibault <samuel.thibault@ens-lyon.org>
+ *
+ * This program is free software ; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation ; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the program ; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/console.h>
+#include <linux/notifier.h>
+
+#include <linux/selection.h>
+#include <linux/vt_kern.h>
+#include <linux/consolemap.h>
+
+#include <linux/keyboard.h>
+#include <linux/kbd_kern.h>
+#include <linux/input.h>
+
+MODULE_AUTHOR("samuel.thibault@ens-lyon.org");
+MODULE_DESCRIPTION("braille device");
+MODULE_LICENSE("GPL");
+
+/*
+ * Braille device support part.
+ */
+
+/* Emit various sounds */
+static bool sound;
+module_param(sound, bool, 0);
+MODULE_PARM_DESC(sound, "emit sounds");
+
+static void beep(unsigned int freq)
+{
+ if (sound)
+ kd_mksound(freq, HZ/10);
+}
+
+/* mini console */
+#define WIDTH 40
+#define BRAILLE_KEY KEY_INSERT
+static u16 console_buf[WIDTH];
+static int console_cursor;
+
+/* mini view of VC */
+static int vc_x, vc_y, lastvc_x, lastvc_y;
+
+/* show console ? (or show VC) */
+static int console_show = 1;
+/* pending newline ? */
+static int console_newline = 1;
+static int lastVC = -1;
+
+static struct console *braille_co;
+
+/* Very VisioBraille-specific */
+static void braille_write(u16 *buf)
+{
+ static u16 lastwrite[WIDTH];
+ unsigned char data[1 + 1 + 2*WIDTH + 2 + 1], csum = 0, *c;
+ u16 out;
+ int i;
+
+ if (!braille_co)
+ return;
+
+ if (!memcmp(lastwrite, buf, WIDTH * sizeof(*buf)))
+ return;
+ memcpy(lastwrite, buf, WIDTH * sizeof(*buf));
+
+#define SOH 1
+#define STX 2
+#define ETX 2
+#define EOT 4
+#define ENQ 5
+ data[0] = STX;
+ data[1] = '>';
+ csum ^= '>';
+ c = &data[2];
+ for (i = 0; i < WIDTH; i++) {
+ out = buf[i];
+ if (out >= 0x100)
+ out = '?';
+ else if (out == 0x00)
+ out = ' ';
+ csum ^= out;
+ if (out <= 0x05) {
+ *c++ = SOH;
+ out |= 0x40;
+ }
+ *c++ = out;
+ }
+
+ if (csum <= 0x05) {
+ *c++ = SOH;
+ csum |= 0x40;
+ }
+ *c++ = csum;
+ *c++ = ETX;
+
+ braille_co->write(braille_co, data, c - data);
+}
+
+/* Follow the VC cursor*/
+static void vc_follow_cursor(struct vc_data *vc)
+{
+ vc_x = vc->vc_x - (vc->vc_x % WIDTH);
+ vc_y = vc->vc_y;
+ lastvc_x = vc->vc_x;
+ lastvc_y = vc->vc_y;
+}
+
+/* Maybe the VC cursor moved, if so follow it */
+static void vc_maybe_cursor_moved(struct vc_data *vc)
+{
+ if (vc->vc_x != lastvc_x || vc->vc_y != lastvc_y)
+ vc_follow_cursor(vc);
+}
+
+/* Show portion of VC at vc_x, vc_y */
+static void vc_refresh(struct vc_data *vc)
+{
+ u16 buf[WIDTH];
+ int i;
+
+ for (i = 0; i < WIDTH; i++) {
+ u16 glyph = screen_glyph(vc,
+ 2 * (vc_x + i) + vc_y * vc->vc_size_row);
+ buf[i] = inverse_translate(vc, glyph, 1);
+ }
+ braille_write(buf);
+}
+
+/*
+ * Link to keyboard
+ */
+
+static int keyboard_notifier_call(struct notifier_block *blk,
+ unsigned long code, void *_param)
+{
+ struct keyboard_notifier_param *param = _param;
+ struct vc_data *vc = param->vc;
+ int ret = NOTIFY_OK;
+
+ if (!param->down)
+ return ret;
+
+ switch (code) {
+ case KBD_KEYCODE:
+ if (console_show) {
+ if (param->value == BRAILLE_KEY) {
+ console_show = 0;
+ beep(880);
+ vc_maybe_cursor_moved(vc);
+ vc_refresh(vc);
+ ret = NOTIFY_STOP;
+ }
+ } else {
+ ret = NOTIFY_STOP;
+ switch (param->value) {
+ case KEY_INSERT:
+ beep(440);
+ console_show = 1;
+ lastVC = -1;
+ braille_write(console_buf);
+ break;
+ case KEY_LEFT:
+ if (vc_x > 0) {
+ vc_x -= WIDTH;
+ if (vc_x < 0)
+ vc_x = 0;
+ } else if (vc_y >= 1) {
+ beep(880);
+ vc_y--;
+ vc_x = vc->vc_cols-WIDTH;
+ } else
+ beep(220);
+ break;
+ case KEY_RIGHT:
+ if (vc_x + WIDTH < vc->vc_cols) {
+ vc_x += WIDTH;
+ } else if (vc_y + 1 < vc->vc_rows) {
+ beep(880);
+ vc_y++;
+ vc_x = 0;
+ } else
+ beep(220);
+ break;
+ case KEY_DOWN:
+ if (vc_y + 1 < vc->vc_rows)
+ vc_y++;
+ else
+ beep(220);
+ break;
+ case KEY_UP:
+ if (vc_y >= 1)
+ vc_y--;
+ else
+ beep(220);
+ break;
+ case KEY_HOME:
+ vc_follow_cursor(vc);
+ break;
+ case KEY_PAGEUP:
+ vc_x = 0;
+ vc_y = 0;
+ break;
+ case KEY_PAGEDOWN:
+ vc_x = 0;
+ vc_y = vc->vc_rows-1;
+ break;
+ default:
+ ret = NOTIFY_OK;
+ break;
+ }
+ if (ret == NOTIFY_STOP)
+ vc_refresh(vc);
+ }
+ break;
+ case KBD_POST_KEYSYM:
+ {
+ unsigned char type = KTYP(param->value) - 0xf0;
+ if (type == KT_SPEC) {
+ unsigned char val = KVAL(param->value);
+ int on_off = -1;
+
+ switch (val) {
+ case KVAL(K_CAPS):
+ on_off = vt_get_leds(fg_console, VC_CAPSLOCK);
+ break;
+ case KVAL(K_NUM):
+ on_off = vt_get_leds(fg_console, VC_NUMLOCK);
+ break;
+ case KVAL(K_HOLD):
+ on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
+ break;
+ }
+ if (on_off == 1)
+ beep(880);
+ else if (on_off == 0)
+ beep(440);
+ }
+ }
+ case KBD_UNBOUND_KEYCODE:
+ case KBD_UNICODE:
+ case KBD_KEYSYM:
+ /* Unused */
+ break;
+ }
+ return ret;
+}
+
+static struct notifier_block keyboard_notifier_block = {
+ .notifier_call = keyboard_notifier_call,
+};
+
+static int vt_notifier_call(struct notifier_block *blk,
+ unsigned long code, void *_param)
+{
+ struct vt_notifier_param *param = _param;
+ struct vc_data *vc = param->vc;
+ switch (code) {
+ case VT_ALLOCATE:
+ break;
+ case VT_DEALLOCATE:
+ break;
+ case VT_WRITE:
+ {
+ unsigned char c = param->c;
+ if (vc->vc_num != fg_console)
+ break;
+ switch (c) {
+ case '\b':
+ case 127:
+ if (console_cursor > 0) {
+ console_cursor--;
+ console_buf[console_cursor] = ' ';
+ }
+ break;
+ case '\n':
+ case '\v':
+ case '\f':
+ case '\r':
+ console_newline = 1;
+ break;
+ case '\t':
+ c = ' ';
+ /* Fallthrough */
+ default:
+ if (c < 32)
+ /* Ignore other control sequences */
+ break;
+ if (console_newline) {
+ memset(console_buf, 0, sizeof(console_buf));
+ console_cursor = 0;
+ console_newline = 0;
+ }
+ if (console_cursor == WIDTH)
+ memmove(console_buf, &console_buf[1],
+ (WIDTH-1) * sizeof(*console_buf));
+ else
+ console_cursor++;
+ console_buf[console_cursor-1] = c;
+ break;
+ }
+ if (console_show)
+ braille_write(console_buf);
+ else {
+ vc_maybe_cursor_moved(vc);
+ vc_refresh(vc);
+ }
+ break;
+ }
+ case VT_UPDATE:
+ /* Maybe a VT switch, flush */
+ if (console_show) {
+ if (vc->vc_num != lastVC) {
+ lastVC = vc->vc_num;
+ memset(console_buf, 0, sizeof(console_buf));
+ console_cursor = 0;
+ braille_write(console_buf);
+ }
+ } else {
+ vc_maybe_cursor_moved(vc);
+ vc_refresh(vc);
+ }
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block vt_notifier_block = {
+ .notifier_call = vt_notifier_call,
+};
+
+/*
+ * Called from printk.c when console=brl is given
+ */
+
+int braille_register_console(struct console *console, int index,
+ char *console_options, char *braille_options)
+{
+ int ret;
+
+ if (!(console->flags & CON_BRL))
+ return 0;
+ if (!console_options)
+ /* Only support VisioBraille for now */
+ console_options = "57600o8";
+ if (braille_co)
+ return -ENODEV;
+ if (console->setup) {
+ ret = console->setup(console, console_options);
+ if (ret != 0)
+ return ret;
+ }
+ console->flags |= CON_ENABLED;
+ console->index = index;
+ braille_co = console;
+ register_keyboard_notifier(&keyboard_notifier_block);
+ register_vt_notifier(&vt_notifier_block);
+ return 1;
+}
+
+int braille_unregister_console(struct console *console)
+{
+ if (braille_co != console)
+ return -EINVAL;
+ if (!(console->flags & CON_BRL))
+ return 0;
+ unregister_keyboard_notifier(&keyboard_notifier_block);
+ unregister_vt_notifier(&vt_notifier_block);
+ braille_co = NULL;
+ return 1;
+}
diff --git a/drivers/acorn/README b/drivers/acorn/README
deleted file mode 100644
index d399c09ca61..00000000000
--- a/drivers/acorn/README
+++ /dev/null
@@ -1 +0,0 @@
-Drivers for the ACORN "podule" ARM specific bus.
diff --git a/drivers/acorn/block/Kconfig b/drivers/acorn/block/Kconfig
deleted file mode 100644
index 073add35e66..00000000000
--- a/drivers/acorn/block/Kconfig
+++ /dev/null
@@ -1,36 +0,0 @@
-#
-# Block device driver configuration
-#
-
-menu "Acorn-specific block devices"
- depends on ARCH_ACORN
-
-config BLK_DEV_FD1772
- tristate "Old Archimedes floppy (1772) support"
- depends on ARCH_ARC || ARCH_A5K
- help
- Support the floppy drive on the Acorn Archimedes (A300, A4x0, A540,
- R140 and R260) series of computers; it supports only 720K floppies
- at the moment. If you don't have one of these machines just answer
- N.
-
-config BLK_DEV_MFM
- tristate "MFM harddisk support"
- depends on ARCH_ARC || ARCH_A5K
- help
- Support the MFM hard drives on the Acorn Archimedes both
- on-board the A4x0 motherboards and via the Acorn MFM podules.
- Drives up to 64MB are supported. If you haven't got one of these
- machines or drives just say N.
-
-config BLK_DEV_MFM_AUTODETECT
- bool "Autodetect hard drive geometry"
- depends on BLK_DEV_MFM
- help
- If you answer Y, the MFM code will attempt to automatically detect
- the cylinders/heads/sectors count on your hard drive. WARNING: This
- sometimes doesn't work and it also does some dodgy stuff which
- potentially might damage your drive.
-
-endmenu
-
diff --git a/drivers/acorn/block/Makefile b/drivers/acorn/block/Makefile
deleted file mode 100644
index 38a9afe8e03..00000000000
--- a/drivers/acorn/block/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for the Acorn block device drivers.
-#
-
-fd1772_mod-objs := fd1772.o fd1772dma.o
-mfmhd_mod-objs := mfmhd.o mfm.o
-
-obj-$(CONFIG_BLK_DEV_FD1772) += fd1772_mod.o
-obj-$(CONFIG_BLK_DEV_MFM) += mfmhd_mod.o
diff --git a/drivers/acorn/block/fd1772.c b/drivers/acorn/block/fd1772.c
deleted file mode 100644
index 3cd2e968e96..00000000000
--- a/drivers/acorn/block/fd1772.c
+++ /dev/null
@@ -1,1609 +0,0 @@
-/*
- * linux/kernel/arch/arm/drivers/block/fd1772.c
- * Based on ataflop.c in the m68k Linux
- * Copyright (C) 1993 Greg Harp
- * Atari Support by Bjoern Brauel, Roman Hodek
- * Archimedes Support by Dave Gilbert (linux@treblig.org)
- *
- * Big cleanup Sep 11..14 1994 Roman Hodek:
- * - Driver now works interrupt driven
- * - Support for two drives; should work, but I cannot test that :-(
- * - Reading is done in whole tracks and buffered to speed up things
- * - Disk change detection and drive deselecting after motor-off
- * similar to TOS
- * - Autodetection of disk format (DD/HD); untested yet, because I
- * don't have an HD drive :-(
- *
- * Fixes Nov 13 1994 Martin Schaller:
- * - Autodetection works now
- * - Support for 5 1/4" disks
- * - Removed drive type (unknown on atari)
- * - Do seeks with 8 Mhz
- *
- * Changes by Andreas Schwab:
- * - After errors in multiple read mode try again reading single sectors
- * (Feb 1995):
- * - Clean up error handling
- * - Set blk_size for proper size checking
- * - Initialize track register when testing presence of floppy
- * - Implement some ioctl's
- *
- * Changes by Torsten Lang:
- * - When probing the floppies we should add the FDC1772CMDADD_H flag since
- * the FDC1772 will otherwise wait forever when no disk is inserted...
- *
- * Things left to do:
- * - Formatting
- * - Maybe a better strategy for disk change detection (does anyone
- * know one?)
- * - There are some strange problems left: The strangest one is
- * that, at least on my TT (4+4MB), the first 2 Bytes of the last
- * page of the TT-Ram (!) change their contents (some bits get
- * set) while a floppy DMA is going on. But there are no accesses
- * to these memory locations from the kernel... (I tested that by
- * making the page read-only). I cannot explain what's going on...
- * - Sometimes the drive-change-detection stops to work. The
- * function is still called, but the WP bit always reads as 0...
- * Maybe a problem with the status reg mode or a timing problem.
- * Note 10/12/94: The change detection now seems to work reliably.
- * There is no proof, but I've seen no hang for a long time...
- *
- * ARCHIMEDES changes: (gilbertd@cs.man.ac.uk)
- * 26/12/95 - Changed all names starting with FDC to FDC1772
- * Removed all references to clock speed of FDC - we're stuck with 8MHz
- * Modified disk_type structure to remove HD formats
- *
- * 7/ 1/96 - Wrote FIQ code, removed most remaining atariisms
- *
- * 13/ 1/96 - Well I think its read a single sector; but there is a problem
- * fd_rwsec_done which is called in FIQ mode starts another transfer
- * off (in fd_rwsec) while still in FIQ mode. Because its still in
- * FIQ mode it can't service the DMA and loses data. So need to
- * heavily restructure.
- * 14/ 1/96 - Found that the definitions of the register numbers of the
- * FDC were multiplied by 2 in the header for the 16bit words
- * of the atari so half the writes were going in the wrong place.
- * Also realised that the FIQ entry didn't make any attempt to
- * preserve registers or return correctly; now in assembler.
- *
- * 11/ 2/96 - Hmm - doesn't work on real machine. Auto detect doesn't
- * and hacking that past seems to wait forever - check motor
- * being turned on.
- *
- * 17/ 2/96 - still having problems - forcing track to -1 when selecting
- * new drives seems to allow it to read first few sectors
- * but then we get solid hangs at apparently random places
- * which change depending what is happening.
- *
- * 9/ 3/96 - Fiddled a lot of stuff around to move to kernel 1.3.35
- * A lot of fiddling in DMA stuff. Having problems with it
- * constnatly thinking its timeing out. Ah - its timeout
- * was set to (6*HZ) rather than jiffies+(6*HZ). Now giving
- * duff data!
- *
- * 5/ 4/96 - Made it use the new IOC_ macros rather than *ioc
- * Hmm - giving unexpected FIQ and then timeouts
- * 18/ 8/96 - Ran through indent -kr -i8
- * Some changes to disc change detect; don't know how well it
- * works.
- * 24/ 8/96 - Put all the track buffering code back in from the atari
- * code - I wonder if it will still work... No :-)
- * Still works if I turn off track buffering.
- * 25/ 8/96 - Changed the timer expires that I'd added back to be
- * jiffies + ....; and it all sprang to life! Got 2.8K/sec
- * off a cp -r of a 679K disc (showed 94% cpu usage!)
- * (PC gets 14.3K/sec - 0% CPU!) Hmm - hard drive corrupt!
- * Also perhaps that compile was with cache off.
- * changed cli in fd_readtrack_check to cliIF
- * changed vmallocs to kmalloc (whats the difference!!)
- * Removed the busy wait loop in do_fd_request and replaced
- * by a routine on tq_immediate; only 11% cpu on a dd off the
- * raw disc - but the speed is the same.
- * 1/ 9/96 - Idea (failed!) - set the 'disable spin-up sequence'
- * when we read the track if we know the motor is on; didn't
- * help - perhaps we have to do it in stepping as well.
- * Nope. Still doesn't help.
- * Hmm - what seems to be happening is that fd_readtrack_check
- * is never getting called. Its job is to terminate the read
- * just after we think we should have got the data; otherwise
- * the fdc takes 1 second to timeout; which is what's happening
- * Now I can see 'readtrack_timer' being set (which should do the
- * call); but it never seems to be called - hmm!
- * OK - I've moved the check to my tq_immediate code -
- * and it WORKS! 13.95K/second at 19% CPU.
- * I wish I knew why that timer didn't work.....
- *
- * 16/11/96 - Fiddled and frigged for 2.0.18
- *
- * DAG 30/01/99 - Started frobbing for 2.2.1
- * DAG 20/06/99 - A little more frobbing:
- * Included include/asm/uaccess.h for get_user/put_user
- *
- * DAG 1/09/00 - Dusted off for 2.4.0-test7
- * MAX_SECTORS was name clashing so it is now FD1772_...
- * Minor parameter, name layouts for 2.4.x differences
- */
-
-#include <linux/sched.h>
-#include <linux/fs.h>
-#include <linux/fcntl.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-#include <linux/fd.h>
-#include <linux/fd1772.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/bitops.h>
-
-#include <asm/arch/oldlatches.h>
-#include <asm/dma.h>
-#include <asm/hardware.h>
-#include <asm/hardware/ioc.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-#include <asm/pgtable.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
-
-/* Note: FD_MAX_UNITS could be redefined to 2 for the Atari (with
- * little additional rework in this file). But I'm not yet sure if
- * some other code depends on the number of floppies... (It is defined
- * in a public header!)
- */
-#if 0
-#undef FD_MAX_UNITS
-#define FD_MAX_UNITS 2
-#endif
-
-/* Ditto worries for Arc - DAG */
-#define FD_MAX_UNITS 4
-#define TRACKBUFFER 0
-/*#define DEBUG*/
-
-#ifdef DEBUG
-#define DPRINT(a) printk a
-#else
-#define DPRINT(a)
-#endif
-
-static struct request_queue *floppy_queue;
-
-#define MAJOR_NR FLOPPY_MAJOR
-#define FLOPPY_DMA 0
-#define DEVICE_NAME "floppy"
-#define QUEUE (floppy_queue)
-#define CURRENT elv_next_request(floppy_queue)
-
-/* Disk types: DD */
-static struct archy_disk_type {
- const char *name;
- unsigned spt; /* sectors per track */
- unsigned blocks; /* total number of blocks */
- unsigned stretch; /* track doubling ? */
-} disk_type[] = {
-
- { "d360", 9, 720, 0 }, /* 360kB diskette */
- { "D360", 9, 720, 1 }, /* 360kb in 720kb drive */
- { "D720", 9, 1440, 0 }, /* 720kb diskette (DD) */
- /*{ "D820", 10,1640, 0}, *//* DD disk with 82 tracks/10 sectors
- - DAG - can't see how type detect can distinguish this
- from 720K until it reads block 4 by which time its too late! */
-};
-
-#define NUM_DISK_TYPES (sizeof(disk_type)/sizeof(*disk_type))
-
-/*
- * Maximum disk size (in kilobytes). This default is used whenever the
- * current disk size is unknown.
- */
-#define MAX_DISK_SIZE 720
-
-static struct gendisk *disks[FD_MAX_UNIT];
-
-/* current info on each unit */
-static struct archy_floppy_struct {
- int connected; /* !=0 : drive is connected */
- int autoprobe; /* !=0 : do autoprobe */
-
- struct archy_disk_type *disktype; /* current type of disk */
-
- int track; /* current head position or -1
- * if unknown */
- unsigned int steprate; /* steprate setting */
- unsigned int wpstat; /* current state of WP signal
- * (for disk change detection) */
-} unit[FD_MAX_UNITS];
-
-/* DAG: On Arc we spin on a flag being cleared by fdc1772_comendhandler which
- is an assembler routine */
-extern void fdc1772_comendhandler(void); /* Actually doens't have these parameters - see fd1772.S */
-extern volatile int fdc1772_comendstatus;
-extern volatile int fdc1772_fdc_int_done;
-
-#define FDC1772BASE ((0x210000>>2)|0x80000000)
-
-#define FDC1772_READ(reg) inb(FDC1772BASE+(reg/2))
-
-/* DAG: You wouldn't be silly to ask why FDC1772_WRITE is a function rather
- than the #def below - well simple - the #def won't compile - and I
- don't understand why (__outwc not defined) */
-/* NOTE: Reg is 0,2,4,6 as opposed to 0,1,2,3 or 0,4,8,12 to keep compatibility
- with the ST version of fd1772.h */
-/*#define FDC1772_WRITE(reg,val) outw(val,(reg+FDC1772BASE)); */
-void FDC1772_WRITE(int reg, unsigned char val)
-{
- if (reg == FDC1772REG_CMD) {
- DPRINT(("FDC1772_WRITE new command 0x%x @ %d\n", val,jiffies));
- if (fdc1772_fdc_int_done) {
- DPRINT(("FDC1772_WRITE: Hmm fdc1772_fdc_int_done true - resetting\n"));
- fdc1772_fdc_int_done = 0;
- };
- };
- outb(val, (reg / 2) + FDC1772BASE);
-};
-
-#define FD1772_MAX_SECTORS 22
-
-unsigned char *DMABuffer; /* buffer for writes */
-/*static unsigned long PhysDMABuffer; *//* physical address */
-/* DAG: On Arc we just go straight for the DMA buffer */
-#define PhysDMABuffer DMABuffer
-
-#ifdef TRACKBUFFER
-unsigned char *TrackBuffer; /* buffer for reads */
-#define PhysTrackBuffer TrackBuffer /* physical address */
-static int BufferDrive, BufferSide, BufferTrack;
-static int read_track; /* non-zero if we are reading whole tracks */
-
-#define SECTOR_BUFFER(sec) (TrackBuffer + ((sec)-1)*512)
-#define IS_BUFFERED(drive,side,track) \
- (BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))
-#endif
-
-/*
- * These are global variables, as that's the easiest way to give
- * information to interrupts. They are the data used for the current
- * request.
- */
-static int SelectedDrive = 0;
-static int ReqCmd, ReqBlock;
-static int ReqSide, ReqTrack, ReqSector, ReqCnt;
-static int HeadSettleFlag = 0;
-static unsigned char *ReqData, *ReqBuffer;
-static int MotorOn = 0, MotorOffTrys;
-
-/* Synchronization of FDC1772 access. */
-static volatile int fdc_busy = 0;
-static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
-
-
-/* long req'd for set_bit --RR */
-static unsigned long changed_floppies = 0xff, fake_change = 0;
-#define CHECK_CHANGE_DELAY HZ/2
-
-/* DAG - increased to 30*HZ - not sure if this is the correct thing to do */
-#define FD_MOTOR_OFF_DELAY (10*HZ)
-#define FD_MOTOR_OFF_MAXTRY (10*20)
-
-#define FLOPPY_TIMEOUT (6*HZ)
-#define RECALIBRATE_ERRORS 4 /* After this many errors the drive
- * will be recalibrated. */
-#define MAX_ERRORS 8 /* After this many errors the driver
- * will give up. */
-
-#define START_MOTOR_OFF_TIMER(delay) \
- do { \
- motor_off_timer.expires = jiffies + (delay); \
- add_timer( &motor_off_timer ); \
- MotorOffTrys = 0; \
- } while(0)
-
-#define START_CHECK_CHANGE_TIMER(delay) \
- do { \
- mod_timer(&fd_timer, jiffies + (delay)); \
- } while(0)
-
-#define START_TIMEOUT() \
- do { \
- mod_timer(&timeout_timer, jiffies+FLOPPY_TIMEOUT); \
- } while(0)
-
-#define STOP_TIMEOUT() \
- do { \
- del_timer( &timeout_timer ); \
- } while(0)
-
-#define ENABLE_IRQ() enable_irq(FIQ_FD1772+64);
-
-#define DISABLE_IRQ() disable_irq(FIQ_FD1772+64);
-
-static void fd1772_checkint(void);
-
-DECLARE_WORK(fd1772_tq, (void *)fd1772_checkint, NULL);
-/*
- * The driver is trying to determine the correct media format
- * while Probing is set. fd_rwsec_done() clears it after a
- * successful access.
- */
-static int Probing = 0;
-
-/* This flag is set when a dummy seek is necessary to make the WP
- * status bit accessible.
- */
-static int NeedSeek = 0;
-
-
-/***************************** Prototypes *****************************/
-
-static void fd_select_side(int side);
-static void fd_select_drive(int drive);
-static void fd_deselect(void);
-static void fd_motor_off_timer(unsigned long dummy);
-static void check_change(unsigned long dummy);
-static void floppy_irqconsequencehandler(void);
-static void fd_error(void);
-static void do_fd_action(int drive);
-static void fd_calibrate(void);
-static void fd_calibrate_done(int status);
-static void fd_seek(void);
-static void fd_seek_done(int status);
-static void fd_rwsec(void);
-#ifdef TRACKBUFFER
-static void fd_readtrack_check( unsigned long dummy );
-#endif
-static void fd_rwsec_done(int status);
-static void fd_times_out(unsigned long dummy);
-static void finish_fdc(void);
-static void finish_fdc_done(int dummy);
-static void floppy_off(unsigned int nr);
-static void setup_req_params(int drive);
-static void redo_fd_request(void);
-static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int
- cmd, unsigned long param);
-static void fd_probe(int drive);
-static int fd_test_drive_present(int drive);
-static void config_types(void);
-static int floppy_open(struct inode *inode, struct file *filp);
-static int floppy_release(struct inode *inode, struct file *filp);
-static void do_fd_request(request_queue_t *);
-
-/************************* End of Prototypes **************************/
-
-static struct timer_list motor_off_timer =
- TIMER_INITIALIZER(fd_motor_off_timer, 0, 0);
-
-#ifdef TRACKBUFFER
-static struct timer_list readtrack_timer =
- TIMER_INITIALIZER(fd_readtrack_check, 0, 0);
-#endif
-
-static struct timer_list timeout_timer =
- TIMER_INITIALIZER(fd_times_out, 0, 0);
-
-static struct timer_list fd_timer =
- TIMER_INITIALIZER(check_change, 0, 0);
-
-/* DAG: Haven't got a clue what this is? */
-int stdma_islocked(void)
-{
- return 0;
-};
-
-/* Select the side to use. */
-
-static void fd_select_side(int side)
-{
- oldlatch_aupdate(LATCHA_SIDESEL, side ? 0 : LATCHA_SIDESEL);
-}
-
-
-/* Select a drive, update the FDC1772's track register
- */
-
-static void fd_select_drive(int drive)
-{
-#ifdef DEBUG
- printk("fd_select_drive:%d\n", drive);
-#endif
- /* Hmm - nowhere do we seem to turn the motor on - I'm going to do it here! */
- oldlatch_aupdate(LATCHA_MOTOR | LATCHA_INUSE, 0);
-
- if (drive == SelectedDrive)
- return;
-
- oldlatch_aupdate(LATCHA_FDSELALL, 0xf - (1 << drive));
-
- /* restore track register to saved value */
- FDC1772_WRITE(FDC1772REG_TRACK, unit[drive].track);
- udelay(25);
-
- SelectedDrive = drive;
-}
-
-
-/* Deselect both drives. */
-
-static void fd_deselect(void)
-{
- unsigned long flags;
-
- DPRINT(("fd_deselect\n"));
-
- oldlatch_aupdate(LATCHA_FDSELALL | LATCHA_MOTOR | LATCHA_INUSE, 0xf | LATCHA_MOTOR | LATCHA_INUSE);
-
- SelectedDrive = -1;
-}
-
-
-/* This timer function deselects the drives when the FDC1772 switched the
- * motor off. The deselection cannot happen earlier because the FDC1772
- * counts the index signals, which arrive only if one drive is selected.
- */
-
-static void fd_motor_off_timer(unsigned long dummy)
-{
- unsigned long flags;
- unsigned char status;
- int delay;
-
- del_timer(&motor_off_timer);
-
- if (SelectedDrive < 0)
- /* no drive selected, needn't deselect anyone */
- return;
-
- save_flags(flags);
- cli();
-
- if (fdc_busy) /* was stdma_islocked */
- goto retry;
-
- status = FDC1772_READ(FDC1772REG_STATUS);
-
- if (!(status & 0x80)) {
- /*
- * motor already turned off by FDC1772 -> deselect drives
- * In actual fact its this deselection which turns the motor
- * off on the Arc, since the motor control is actually on
- * Latch A
- */
- DPRINT(("fdc1772: deselecting in fd_motor_off_timer\n"));
- fd_deselect();
- MotorOn = 0;
- restore_flags(flags);
- return;
- }
- /* not yet off, try again */
-
-retry:
- restore_flags(flags);
- /* Test again later; if tested too often, it seems there is no disk
- * in the drive and the FDC1772 will leave the motor on forever (or,
- * at least until a disk is inserted). So we'll test only twice
- * per second from then on...
- */
- delay = (MotorOffTrys < FD_MOTOR_OFF_MAXTRY) ?
- (++MotorOffTrys, HZ / 20) : HZ / 2;
- START_MOTOR_OFF_TIMER(delay);
-}
-
-
-/* This function is repeatedly called to detect disk changes (as good
- * as possible) and keep track of the current state of the write protection.
- */
-
-static void check_change(unsigned long dummy)
-{
- static int drive = 0;
-
- unsigned long flags;
- int stat;
-
- if (fdc_busy)
- return; /* Don't start poking about if the fdc is busy */
-
- return; /* let's just forget it for the mo DAG */
-
- if (++drive > 1 || !unit[drive].connected)
- drive = 0;
-
- save_flags(flags);
- cli();
-
- if (!stdma_islocked()) {
- stat = !!(FDC1772_READ(FDC1772REG_STATUS) & FDC1772STAT_WPROT);
-
- /* The idea here is that if the write protect line has changed then
- the disc must have changed */
- if (stat != unit[drive].wpstat) {
- DPRINT(("wpstat[%d] = %d\n", drive, stat));
- unit[drive].wpstat = stat;
- set_bit(drive, &changed_floppies);
- }
- }
- restore_flags(flags);
-
- START_CHECK_CHANGE_TIMER(CHECK_CHANGE_DELAY);
-}
-
-
-/* Handling of the Head Settling Flag: This flag should be set after each
- * seek operation, because we don't use seeks with verify.
- */
-
-static inline void set_head_settle_flag(void)
-{
- HeadSettleFlag = FDC1772CMDADD_E;
-}
-
-static inline int get_head_settle_flag(void)
-{
- int tmp = HeadSettleFlag;
- HeadSettleFlag = 0;
- return (tmp);
-}
-
-
-
-
-/* General Interrupt Handling */
-
-static inline void copy_buffer(void *from, void *to)
-{
- ulong *p1 = (ulong *) from, *p2 = (ulong *) to;
- int cnt;
-
- for (cnt = 512 / 4; cnt; cnt--)
- *p2++ = *p1++;
-}
-
-static void (*FloppyIRQHandler) (int status) = NULL;
-
-static void floppy_irqconsequencehandler(void)
-{
- unsigned char status;
- void (*handler) (int);
-
- fdc1772_fdc_int_done = 0;
-
- handler = FloppyIRQHandler;
- FloppyIRQHandler = NULL;
-
- if (handler) {
- nop();
- status = (unsigned char) fdc1772_comendstatus;
- DPRINT(("FDC1772 irq, status = %02x handler = %08lx\n", (unsigned int) status, (unsigned long) handler));
- handler(status);
- } else {
- DPRINT(("FDC1772 irq, no handler status=%02x\n", fdc1772_comendstatus));
- }
- DPRINT(("FDC1772 irq: end of floppy_irq\n"));
-}
-
-
-/* Error handling: If some error happened, retry some times, then
- * recalibrate, then try again, and fail after MAX_ERRORS.
- */
-
-static void fd_error(void)
-{
- printk("FDC1772: fd_error\n");
- /*panic("fd1772: fd_error"); *//* DAG tmp */
- if (!CURRENT)
- return;
- CURRENT->errors++;
- if (CURRENT->errors >= MAX_ERRORS) {
- printk("fd%d: too many errors.\n", SelectedDrive);
- end_request(CURRENT, 0);
- } else if (CURRENT->errors == RECALIBRATE_ERRORS) {
- printk("fd%d: recalibrating\n", SelectedDrive);
- if (SelectedDrive != -1)
- unit[SelectedDrive].track = -1;
- }
- redo_fd_request();
-}
-
-
-
-#define SET_IRQ_HANDLER(proc) do { FloppyIRQHandler = (proc); } while(0)
-
-
-/* do_fd_action() is the general procedure for a fd request: All
- * required parameter settings (drive select, side select, track
- * position) are checked and set if needed. For each of these
- * parameters and the actual reading or writing exist two functions:
- * one that starts the setting (or skips it if possible) and one
- * callback for the "done" interrupt. Each done func calls the next
- * set function to propagate the request down to fd_rwsec_done().
- */
-
-static void do_fd_action(int drive)
-{
- struct request *req;
- DPRINT(("do_fd_action unit[drive].track=%d\n", unit[drive].track));
-
-#ifdef TRACKBUFFER
-repeat:
-
- if (IS_BUFFERED( drive, ReqSide, ReqTrack )) {
- req = CURRENT;
- if (ReqCmd == READ) {
- copy_buffer( SECTOR_BUFFER(ReqSector), ReqData );
- if (++ReqCnt < req->current_nr_sectors) {
- /* read next sector */
- setup_req_params( drive );
- goto repeat;
- } else {
- /* all sectors finished */
- req->nr_sectors -= req->current_nr_sectors;
- req->sector += req->current_nr_sectors;
- end_request(req, 1);
- redo_fd_request();
- return;
- }
- } else {
- /* cmd == WRITE, pay attention to track buffer
- * consistency! */
- copy_buffer( ReqData, SECTOR_BUFFER(ReqSector) );
- }
- }
-#endif
-
- if (SelectedDrive != drive) {
- /*unit[drive].track = -1; DAG */
- fd_select_drive(drive);
- };
-
-
- if (unit[drive].track == -1)
- fd_calibrate();
- else if (unit[drive].track != ReqTrack << unit[drive].disktype->stretch)
- fd_seek();
- else
- fd_rwsec();
-}
-
-
-/* Seek to track 0 if the current track is unknown */
-
-static void fd_calibrate(void)
-{
- DPRINT(("fd_calibrate\n"));
- if (unit[SelectedDrive].track >= 0) {
- fd_calibrate_done(0);
- return;
- }
- DPRINT(("fd_calibrate (after track compare)\n"));
- SET_IRQ_HANDLER(fd_calibrate_done);
- /* we can't verify, since the speed may be incorrect */
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_RESTORE | unit[SelectedDrive].steprate);
-
- NeedSeek = 1;
- MotorOn = 1;
- START_TIMEOUT();
- /* wait for IRQ */
-}
-
-
-static void fd_calibrate_done(int status)
-{
- DPRINT(("fd_calibrate_done()\n"));
- STOP_TIMEOUT();
-
- /* set the correct speed now */
- if (status & FDC1772STAT_RECNF) {
- printk("fd%d: restore failed\n", SelectedDrive);
- fd_error();
- } else {
- unit[SelectedDrive].track = 0;
- fd_seek();
- }
-}
-
-
-/* Seek the drive to the requested track. The drive must have been
- * calibrated at some point before this.
- */
-
-static void fd_seek(void)
-{
- unsigned long flags;
- DPRINT(("fd_seek() to track %d (unit[SelectedDrive].track=%d)\n", ReqTrack,
- unit[SelectedDrive].track));
- if (unit[SelectedDrive].track == ReqTrack <<
- unit[SelectedDrive].disktype->stretch) {
- fd_seek_done(0);
- return;
- }
- FDC1772_WRITE(FDC1772REG_DATA, ReqTrack <<
- unit[SelectedDrive].disktype->stretch);
- udelay(25);
- save_flags(flags);
- clf();
- SET_IRQ_HANDLER(fd_seek_done);
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_SEEK | unit[SelectedDrive].steprate |
- /* DAG */
- (MotorOn?FDC1772CMDADD_H:0));
-
- restore_flags(flags);
- MotorOn = 1;
- set_head_settle_flag();
- START_TIMEOUT();
- /* wait for IRQ */
-}
-
-
-static void fd_seek_done(int status)
-{
- DPRINT(("fd_seek_done()\n"));
- STOP_TIMEOUT();
-
- /* set the correct speed */
- if (status & FDC1772STAT_RECNF) {
- printk("fd%d: seek error (to track %d)\n",
- SelectedDrive, ReqTrack);
- /* we don't know exactly which track we are on now! */
- unit[SelectedDrive].track = -1;
- fd_error();
- } else {
- unit[SelectedDrive].track = ReqTrack <<
- unit[SelectedDrive].disktype->stretch;
- NeedSeek = 0;
- fd_rwsec();
- }
-}
-
-
-/* This does the actual reading/writing after positioning the head
- * over the correct track.
- */
-
-#ifdef TRACKBUFFER
-static int MultReadInProgress = 0;
-#endif
-
-
-static void fd_rwsec(void)
-{
- unsigned long paddr, flags;
- unsigned int rwflag, old_motoron;
- unsigned int track;
-
- DPRINT(("fd_rwsec(), Sec=%d, Access=%c\n", ReqSector, ReqCmd == WRITE ? 'w' : 'r'));
- if (ReqCmd == WRITE) {
- /*cache_push( (unsigned long)ReqData, 512 ); */
- paddr = (unsigned long) ReqData;
- rwflag = 0x100;
- } else {
- paddr = (unsigned long) PhysDMABuffer;
-#ifdef TRACKBUFFER
- if (read_track)
- paddr = (unsigned long)PhysTrackBuffer;
-#endif
- rwflag = 0;
- }
-
- DPRINT(("fd_rwsec() before sidesel rwflag=%d sec=%d trk=%d\n", rwflag,
- ReqSector, FDC1772_READ(FDC1772REG_TRACK)));
- fd_select_side(ReqSide);
-
- /*DPRINT(("fd_rwsec() before start sector \n")); */
- /* Start sector of this operation */
-#ifdef TRACKBUFFER
- FDC1772_WRITE( FDC1772REG_SECTOR, !read_track ? ReqSector : 1 );
-#else
- FDC1772_WRITE( FDC1772REG_SECTOR, ReqSector );
-#endif
-
- /* Cheat for track if stretch != 0 */
- if (unit[SelectedDrive].disktype->stretch) {
- track = FDC1772_READ(FDC1772REG_TRACK);
- FDC1772_WRITE(FDC1772REG_TRACK, track >>
- unit[SelectedDrive].disktype->stretch);
- }
- udelay(25);
-
- DPRINT(("fd_rwsec() before setup DMA \n"));
- /* Setup DMA - Heavily modified by DAG */
- save_flags(flags);
- clf();
- disable_dma(FLOPPY_DMA);
- set_dma_mode(FLOPPY_DMA, rwflag ? DMA_MODE_WRITE : DMA_MODE_READ);
- set_dma_addr(FLOPPY_DMA, (long) paddr); /* DAG - changed from Atari specific */
-#ifdef TRACKBUFFER
- set_dma_count(FLOPPY_DMA,(!read_track ? 1 : unit[SelectedDrive].disktype->spt)*512);
-#else
- set_dma_count(FLOPPY_DMA, 512); /* Block/sector size - going to have to change */
-#endif
- SET_IRQ_HANDLER(fd_rwsec_done);
- /* Turn on dma int */
- enable_dma(FLOPPY_DMA);
- /* Now give it something to do */
- FDC1772_WRITE(FDC1772REG_CMD, (rwflag ? (FDC1772CMD_WRSEC | FDC1772CMDADD_P) :
-#ifdef TRACKBUFFER
- (FDC1772CMD_RDSEC | (read_track ? FDC1772CMDADD_M : 0) |
- /* Hmm - the idea here is to stop the FDC spinning the disc
- up when we know that we already still have it spinning */
- (MotorOn?FDC1772CMDADD_H:0))
-#else
- FDC1772CMD_RDSEC
-#endif
- ));
-
- restore_flags(flags);
- DPRINT(("fd_rwsec() after DMA setup flags=0x%08x\n", flags));
- /*sti(); *//* DAG - Hmm */
- /* Hmm - should do something DAG */
- old_motoron = MotorOn;
- MotorOn = 1;
- NeedSeek = 1;
-
- /* wait for interrupt */
-
-#ifdef TRACKBUFFER
- if (read_track) {
- /*
- * If reading a whole track, wait about one disk rotation and
- * then check if all sectors are read. The FDC will even
- * search for the first non-existant sector and need 1 sec to
- * recognise that it isn't present :-(
- */
- /* 1 rot. + 5 rot.s if motor was off */
- mod_timer(&readtrack_timer, jiffies + HZ/5 + (old_motoron ? 0 : HZ));
- DPRINT(("Setting readtrack_timer to %d @ %d\n",
- readtrack_timer.expires,jiffies));
- MultReadInProgress = 1;
- }
-#endif
-
- /*DPRINT(("fd_rwsec() before START_TIMEOUT \n")); */
- START_TIMEOUT();
- /*DPRINT(("fd_rwsec() after START_TIMEOUT \n")); */
-}
-
-
-#ifdef TRACKBUFFER
-
-static void fd_readtrack_check(unsigned long dummy)
-{
- unsigned long flags, addr;
- extern unsigned char *fdc1772_dataaddr;
-
- DPRINT(("fd_readtrack_check @ %d\n",jiffies));
-
- save_flags(flags);
- clf();
-
- del_timer( &readtrack_timer );
-
- if (!MultReadInProgress) {
- /* This prevents a race condition that could arise if the
- * interrupt is triggered while the calling of this timer
- * callback function takes place. The IRQ function then has
- * already cleared 'MultReadInProgress' when control flow
- * gets here.
- */
- restore_flags(flags);
- return;
- }
-
- /* get the current DMA address */
- addr=(unsigned long)fdc1772_dataaddr; /* DAG - ? */
- DPRINT(("fd_readtrack_check: addr=%x PhysTrackBuffer=%x\n",addr,PhysTrackBuffer));
-
- if (addr >= (unsigned int)PhysTrackBuffer + unit[SelectedDrive].disktype->spt*512) {
- /* already read enough data, force an FDC interrupt to stop
- * the read operation
- */
- SET_IRQ_HANDLER( NULL );
- restore_flags(flags);
- DPRINT(("fd_readtrack_check(): done\n"));
- FDC1772_WRITE( FDC1772REG_CMD, FDC1772CMD_FORCI );
- udelay(25);
-
- /* No error until now -- the FDC would have interrupted
- * otherwise!
- */
- fd_rwsec_done( 0 );
- } else {
- /* not yet finished, wait another tenth rotation */
- restore_flags(flags);
- DPRINT(("fd_readtrack_check(): not yet finished\n"));
- readtrack_timer.expires = jiffies + HZ/5/10;
- add_timer( &readtrack_timer );
- }
-}
-
-#endif
-
-static void fd_rwsec_done(int status)
-{
- unsigned int track;
-
- DPRINT(("fd_rwsec_done() status=%d @ %d\n", status,jiffies));
-
-#ifdef TRACKBUFFER
- if (read_track && !MultReadInProgress)
- return;
-
- MultReadInProgress = 0;
-
- STOP_TIMEOUT();
-
- if (read_track)
- del_timer( &readtrack_timer );
-#endif
-
-
- /* Correct the track if stretch != 0 */
- if (unit[SelectedDrive].disktype->stretch) {
- track = FDC1772_READ(FDC1772REG_TRACK);
- FDC1772_WRITE(FDC1772REG_TRACK, track <<
- unit[SelectedDrive].disktype->stretch);
- }
- if (ReqCmd == WRITE && (status & FDC1772STAT_WPROT)) {
- printk("fd%d: is write protected\n", SelectedDrive);
- goto err_end;
- }
- if ((status & FDC1772STAT_RECNF)
-#ifdef TRACKBUFFER
- /* RECNF is no error after a multiple read when the FDC
- * searched for a non-existant sector!
- */
- && !(read_track &&
- FDC1772_READ(FDC1772REG_SECTOR) > unit[SelectedDrive].disktype->spt)
-#endif
- ) {
- if (Probing) {
- if (unit[SelectedDrive].disktype > disk_type) {
- /* try another disk type */
- unit[SelectedDrive].disktype--;
- set_capacity(disks[SelectedDrive],
- unit[SelectedDrive].disktype->blocks);
- } else
- Probing = 0;
- } else {
- /* record not found, but not probing. Maybe stretch wrong ? Restart probing */
- if (unit[SelectedDrive].autoprobe) {
- unit[SelectedDrive].disktype = disk_type + NUM_DISK_TYPES - 1;
- set_capacity(disks[SelectedDrive],
- unit[SelectedDrive].disktype->blocks);
- Probing = 1;
- }
- }
- if (Probing) {
- setup_req_params(SelectedDrive);
-#ifdef TRACKBUFFER
- BufferDrive = -1;
-#endif
- do_fd_action(SelectedDrive);
- return;
- }
- printk("fd%d: sector %d not found (side %d, track %d)\n",
- SelectedDrive, FDC1772_READ(FDC1772REG_SECTOR), ReqSide, ReqTrack);
- goto err_end;
- }
- if (status & FDC1772STAT_CRC) {
- printk("fd%d: CRC error (side %d, track %d, sector %d)\n",
- SelectedDrive, ReqSide, ReqTrack, FDC1772_READ(FDC1772REG_SECTOR));
- goto err_end;
- }
- if (status & FDC1772STAT_LOST) {
- printk("fd%d: lost data (side %d, track %d, sector %d)\n",
- SelectedDrive, ReqSide, ReqTrack, FDC1772_READ(FDC1772REG_SECTOR));
- goto err_end;
- }
- Probing = 0;
-
- if (ReqCmd == READ) {
-#ifdef TRACKBUFFER
- if (!read_track) {
- /*cache_clear (PhysDMABuffer, 512);*/
- copy_buffer (DMABuffer, ReqData);
- } else {
- /*cache_clear (PhysTrackBuffer, FD1772_MAX_SECTORS * 512);*/
- BufferDrive = SelectedDrive;
- BufferSide = ReqSide;
- BufferTrack = ReqTrack;
- copy_buffer (SECTOR_BUFFER (ReqSector), ReqData);
- }
-#else
- /*cache_clear( PhysDMABuffer, 512 ); */
- copy_buffer(DMABuffer, ReqData);
-#endif
- }
- if (++ReqCnt < CURRENT->current_nr_sectors) {
- /* read next sector */
- setup_req_params(SelectedDrive);
- do_fd_action(SelectedDrive);
- } else {
- /* all sectors finished */
- CURRENT->nr_sectors -= CURRENT->current_nr_sectors;
- CURRENT->sector += CURRENT->current_nr_sectors;
- end_request(CURRENT, 1);
- redo_fd_request();
- }
- return;
-
-err_end:
-#ifdef TRACKBUFFER
- BufferDrive = -1;
-#endif
-
- fd_error();
-}
-
-
-static void fd_times_out(unsigned long dummy)
-{
- SET_IRQ_HANDLER(NULL);
- /* If the timeout occurred while the readtrack_check timer was
- * active, we need to cancel it, else bad things will happen */
- del_timer( &readtrack_timer );
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_FORCI);
- udelay(25);
-
- printk("floppy timeout\n");
- STOP_TIMEOUT(); /* hmm - should we do this ? */
- fd_error();
-}
-
-
-/* The (noop) seek operation here is needed to make the WP bit in the
- * FDC1772 status register accessible for check_change. If the last disk
- * operation would have been a RDSEC, this bit would always read as 0
- * no matter what :-( To save time, the seek goes to the track we're
- * already on.
- */
-
-static void finish_fdc(void)
-{
- /* DAG - just try without this dummy seek! */
- finish_fdc_done(0);
- return;
-
- if (!NeedSeek) {
- finish_fdc_done(0);
- } else {
- DPRINT(("finish_fdc: dummy seek started\n"));
- FDC1772_WRITE(FDC1772REG_DATA, unit[SelectedDrive].track);
- SET_IRQ_HANDLER(finish_fdc_done);
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_SEEK);
- MotorOn = 1;
- START_TIMEOUT();
- /* we must wait for the IRQ here, because the ST-DMA is
- * released immediately afterwards and the interrupt may be
- * delivered to the wrong driver.
- */
- }
-}
-
-
-static void finish_fdc_done(int dummy)
-{
- unsigned long flags;
-
- DPRINT(("finish_fdc_done entered\n"));
- STOP_TIMEOUT();
- NeedSeek = 0;
-
- if (timer_pending(&fd_timer) &&
- time_after(jiffies + 5, fd_timer.expires))
- /* If the check for a disk change is done too early after this
- * last seek command, the WP bit still reads wrong :-((
- */
- mod_timer(&fd_timer, jiffies + 5);
- else {
- /* START_CHECK_CHANGE_TIMER( CHECK_CHANGE_DELAY ); */
- };
- del_timer(&motor_off_timer);
- START_MOTOR_OFF_TIMER(FD_MOTOR_OFF_DELAY);
-
- save_flags(flags);
- cli();
- /* stdma_release(); - not sure if I should do something DAG */
- fdc_busy = 0;
- wake_up(&fdc_wait);
- restore_flags(flags);
-
- DPRINT(("finish_fdc() finished\n"));
-}
-
-
-/* Prevent "aliased" accesses. */
-static int fd_ref[4];
-static int fd_device[4];
-
-/* dummy for blk.h */
-static void floppy_off(unsigned int nr)
-{
-}
-
-
-/* On the old arcs write protect depends on the particular model
- of machine. On the A310, R140, and A440 there is a disc changed
- detect, however on the A4x0/1 range there is not. There
- is nothing to tell you which machine your on.
- At the moment I'm just marking changed always. I've
- left the Atari's 'change on write protect change' code in this
- part (but nothing sets it).
- RiscOS apparently checks the disc serial number etc. to detect changes
- - but if it sees a disc change line go high (?) it flips to using
- it. Well maybe I'll add that in the future (!?)
-*/
-static int check_floppy_change(struct gendisk *disk)
-{
- struct archy_floppy_struct *p = disk->private_data;
- unsigned int drive = p - unit;
-
- if (test_bit(drive, &fake_change)) {
- /* simulated change (e.g. after formatting) */
- return 1;
- }
- if (test_bit(drive, &changed_floppies)) {
- /* surely changed (the WP signal changed at least once) */
- return 1;
- }
- if (p->wpstat) {
- /* WP is on -> could be changed: to be sure, buffers should be
- * invalidated...
- */
- return 1;
- }
- return 1; /* DAG - was 0 */
-}
-
-static int floppy_revalidate(struct gendisk *disk)
-{
- struct archy_floppy_struct *p = disk->private_data;
- unsigned int drive = p - unit;
-
- if (test_bit(drive, &changed_floppies) || test_bit(drive, &fake_change)
- || unit[drive].disktype == 0) {
-#ifdef TRACKBUFFER
- BufferDrive = -1;
-#endif
- clear_bit(drive, &fake_change);
- clear_bit(drive, &changed_floppies);
- p->disktype = 0;
- }
- return 0;
-}
-
-/* This sets up the global variables describing the current request. */
-
-static void setup_req_params(int drive)
-{
- int block = ReqBlock + ReqCnt;
-
- ReqTrack = block / unit[drive].disktype->spt;
- ReqSector = block - ReqTrack * unit[drive].disktype->spt + 1;
- ReqSide = ReqTrack & 1;
- ReqTrack >>= 1;
- ReqData = ReqBuffer + 512 * ReqCnt;
-
-#ifdef TRACKBUFFER
- read_track = (ReqCmd == READ && CURRENT->errors == 0);
-#endif
-
- DPRINT(("Request params: Si=%d Tr=%d Se=%d Data=%08lx\n", ReqSide,
- ReqTrack, ReqSector, (unsigned long) ReqData));
-}
-
-
-static void redo_fd_request(void)
-{
- int drive, type;
- struct archy_floppy_struct *floppy;
-
- DPRINT(("redo_fd_request: CURRENT=%p dev=%s CURRENT->sector=%ld\n",
- CURRENT, CURRENT ? CURRENT->rq_disk->disk_name : "",
- CURRENT ? CURRENT->sector : 0));
-
-repeat:
-
- if (!CURRENT)
- goto the_end;
-
- floppy = CURRENT->rq_disk->private_data;
- drive = floppy - unit;
- type = fd_device[drive];
-
- if (!floppy->connected) {
- /* drive not connected */
- printk("Unknown Device: fd%d\n", drive);
- end_request(CURRENT, 0);
- goto repeat;
- }
- if (type == 0) {
- if (!floppy->disktype) {
- Probing = 1;
- floppy->disktype = disk_type + NUM_DISK_TYPES - 1;
- set_capacity(disks[drive], floppy->disktype->blocks);
- floppy->autoprobe = 1;
- }
- } else {
- /* user supplied disk type */
- --type;
- if (type >= NUM_DISK_TYPES) {
- printk("fd%d: invalid disk format", drive);
- end_request(CURRENT, 0);
- goto repeat;
- }
- floppy->disktype = &disk_type[type];
- set_capacity(disks[drive], floppy->disktype->blocks);
- floppy->autoprobe = 0;
- }
-
- if (CURRENT->sector + 1 > floppy->disktype->blocks) {
- end_request(CURRENT, 0);
- goto repeat;
- }
- /* stop deselect timer */
- del_timer(&motor_off_timer);
-
- ReqCnt = 0;
- ReqCmd = CURRENT->cmd;
- ReqBlock = CURRENT->sector;
- ReqBuffer = CURRENT->buffer;
- setup_req_params(drive);
- do_fd_action(drive);
-
- return;
-
-the_end:
- finish_fdc();
-}
-
-static void fd1772_checkint(void)
-{
- extern int fdc1772_bytestogo;
-
- /*printk("fd1772_checkint %d\n",fdc1772_fdc_int_done);*/
- if (fdc1772_fdc_int_done)
- floppy_irqconsequencehandler();
- if ((MultReadInProgress) && (fdc1772_bytestogo==0)) fd_readtrack_check(0);
- if (fdc_busy) {
- schedule_work(&fd1772_tq);
- }
-}
-
-static void do_fd_request(request_queue_t* q)
-{
- unsigned long flags;
-
- DPRINT(("do_fd_request for pid %d\n", current->pid));
- if (fdc_busy) return;
- save_flags(flags);
- cli();
- while (fdc_busy)
- sleep_on(&fdc_wait);
- fdc_busy = 1;
- ENABLE_IRQ();
- restore_flags(flags);
-
- fdc1772_fdc_int_done = 0;
-
- redo_fd_request();
-
- schedule_work(&fd1772_tq);
-}
-
-
-static int invalidate_drive(struct block_device *bdev)
-{
- struct archy_floppy_struct *p = bdev->bd_disk->private_data;
- /* invalidate the buffer track to force a reread */
-#ifdef TRACKBUFFER
- BufferDrive = -1;
-#endif
-
- set_bit(p - unit, &fake_change);
- return 0;
-}
-
-static int fd_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long param)
-{
- struct block_device *bdev = inode->i_bdev;
-
- switch (cmd) {
- case FDFMTEND:
- case FDFLUSH:
- invalidate_drive(bdev);
- check_disk_change(bdev);
- case FDFMTBEG:
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-
-/* Initialize the 'unit' variable for drive 'drive' */
-
-static void fd_probe(int drive)
-{
- unit[drive].connected = 0;
- unit[drive].disktype = NULL;
-
- if (!fd_test_drive_present(drive))
- return;
-
- unit[drive].connected = 1;
- unit[drive].track = -1; /* If we put the auto detect back in this can go to 0 */
- unit[drive].steprate = FDC1772STEP_6;
- MotorOn = 1; /* from probe restore operation! */
-}
-
-
-/* This function tests the physical presence of a floppy drive (not
- * whether a disk is inserted). This is done by issuing a restore
- * command, waiting max. 2 seconds (that should be enough to move the
- * head across the whole disk) and looking at the state of the "TR00"
- * signal. This should now be raised if there is a drive connected
- * (and there is no hardware failure :-) Otherwise, the drive is
- * declared absent.
- */
-
-static int fd_test_drive_present(int drive)
-{
- unsigned long timeout;
- unsigned char status;
- int ok;
-
- printk("fd_test_drive_present %d\n", drive);
- if (drive > 1)
- return (0);
- return (1); /* Simple hack for the moment - the autodetect doesn't seem to work on arc */
- fd_select_drive(drive);
-
- /* disable interrupt temporarily */
- DISABLE_IRQ();
- FDC1772_WRITE(FDC1772REG_TRACK, 0x00); /* was ff00 why? */
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_RESTORE | FDC1772CMDADD_H | FDC1772STEP_6);
-
- /*printk("fd_test_drive_present: Going into timeout loop\n"); */
- for (ok = 0, timeout = jiffies + 2 * HZ + HZ / 2; time_before(jiffies, timeout);) {
- /* What does this piece of atariism do? - query for an interrupt? */
- /* if (!(mfp.par_dt_reg & 0x20))
- break; */
- /* Well this is my nearest guess - quit when we get an FDC interrupt */
- if (ioc_readb(IOC_FIQSTAT) & 2)
- break;
- }
-
- /*printk("fd_test_drive_present: Coming out of timeout loop\n"); */
- status = FDC1772_READ(FDC1772REG_STATUS);
- ok = (status & FDC1772STAT_TR00) != 0;
-
- /*printk("fd_test_drive_present: ok=%d\n",ok); */
- /* force interrupt to abort restore operation (FDC1772 would try
- * about 50 seconds!) */
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_FORCI);
- udelay(500);
- status = FDC1772_READ(FDC1772REG_STATUS);
- udelay(20);
- /*printk("fd_test_drive_present: just before OK code %d\n",ok); */
-
- if (ok) {
- /* dummy seek command to make WP bit accessible */
- FDC1772_WRITE(FDC1772REG_DATA, 0);
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_SEEK);
- printk("fd_test_drive_present: just before wait for int\n");
- /* DAG: Guess means wait for interrupt */
- while (!(ioc_readb(IOC_FIQSTAT) & 2));
- printk("fd_test_drive_present: just after wait for int\n");
- status = FDC1772_READ(FDC1772REG_STATUS);
- }
- printk("fd_test_drive_present: just before ENABLE_IRQ\n");
- ENABLE_IRQ();
- printk("fd_test_drive_present: about to return\n");
- return (ok);
-}
-
-
-/* Look how many and which kind of drives are connected. If there are
- * floppies, additionally start the disk-change and motor-off timers.
- */
-
-static void config_types(void)
-{
- int drive, cnt = 0;
-
- printk("Probing floppy drive(s):\n");
- for (drive = 0; drive < FD_MAX_UNITS; drive++) {
- fd_probe(drive);
- if (unit[drive].connected) {
- printk("fd%d\n", drive);
- ++cnt;
- }
- }
-
- if (FDC1772_READ(FDC1772REG_STATUS) & FDC1772STAT_BUSY) {
- /* If FDC1772 is still busy from probing, give it another FORCI
- * command to abort the operation. If this isn't done, the FDC1772
- * will interrupt later and its IRQ line stays low, because
- * the status register isn't read. And this will block any
- * interrupts on this IRQ line :-(
- */
- FDC1772_WRITE(FDC1772REG_CMD, FDC1772CMD_FORCI);
- udelay(500);
- FDC1772_READ(FDC1772REG_STATUS);
- udelay(20);
- }
- if (cnt > 0) {
- START_MOTOR_OFF_TIMER(FD_MOTOR_OFF_DELAY);
- if (cnt == 1)
- fd_select_drive(0);
- /*START_CHECK_CHANGE_TIMER( CHECK_CHANGE_DELAY ); */
- }
-}
-
-/*
- * floppy_open check for aliasing (/dev/fd0 can be the same as
- * /dev/PS0 etc), and disallows simultaneous access to the same
- * drive with different device numbers.
- */
-
-static int floppy_open(struct inode *inode, struct file *filp)
-{
- int drive = iminor(inode) & 3;
- int type = iminor(inode) >> 2;
- int old_dev = fd_device[drive];
-
- if (fd_ref[drive] && old_dev != type)
- return -EBUSY;
-
- if (fd_ref[drive] == -1 || (fd_ref[drive] && filp->f_flags & O_EXCL))
- return -EBUSY;
-
- if (filp->f_flags & O_EXCL)
- fd_ref[drive] = -1;
- else
- fd_ref[drive]++;
-
- fd_device[drive] = type;
-
- if (filp->f_flags & O_NDELAY)
- return 0;
-
- if (filp->f_mode & 3) {
- check_disk_change(inode->i_bdev);
- if (filp->f_mode & 2) {
- if (unit[drive].wpstat) {
- floppy_release(inode, filp);
- return -EROFS;
- }
- }
- }
- return 0;
-}
-
-
-static int floppy_release(struct inode *inode, struct file *filp)
-{
- int drive = iminor(inode) & 3;
-
- if (fd_ref[drive] < 0)
- fd_ref[drive] = 0;
- else if (!fd_ref[drive]--) {
- printk("floppy_release with fd_ref == 0");
- fd_ref[drive] = 0;
- }
-
- return 0;
-}
-
-static struct block_device_operations floppy_fops =
-{
- .open = floppy_open,
- .release = floppy_release,
- .ioctl = fd_ioctl,
- .media_changed = check_floppy_change,
- .revalidate_disk= floppy_revalidate,
-};
-
-static struct kobject *floppy_find(dev_t dev, int *part, void *data)
-{
- int drive = *part & 3;
- if ((*part >> 2) > NUM_DISK_TYPES || drive >= FD_MAX_UNITS)
- return NULL;
- *part = 0;
- return get_disk(disks[drive]);
-}
-
-int fd1772_init(void)
-{
- static DEFINE_SPINLOCK(lock);
- int i, err = -ENOMEM;
-
- if (!machine_is_archimedes())
- return 0;
-
- for (i = 0; i < FD_MAX_UNITS; i++) {
- disks[i] = alloc_disk(1);
- if (!disks[i])
- goto err_disk;
- }
-
- err = register_blkdev(MAJOR_NR, "fd");
- if (err)
- goto err_disk;
-
- err = -EBUSY;
- if (request_dma(FLOPPY_DMA, "fd1772")) {
- printk("Unable to grab DMA%d for the floppy (1772) driver\n", FLOPPY_DMA);
- goto err_blkdev;
- };
-
- if (request_dma(FIQ_FD1772, "fd1772 end")) {
- printk("Unable to grab DMA%d for the floppy (1772) driver\n", FIQ_FD1772);
- goto err_dma1;
- };
-
- /* initialize variables */
- SelectedDrive = -1;
-#ifdef TRACKBUFFER
- BufferDrive = BufferSide = BufferTrack = -1;
- /* Atari uses 512 - I want to eventually cope with 1K sectors */
- DMABuffer = (char *)kmalloc((FD1772_MAX_SECTORS+1)*512,GFP_KERNEL);
- TrackBuffer = DMABuffer + 512;
-#else
- /* Allocate memory for the DMAbuffer - on the Atari this takes it
- out of some special memory... */
- DMABuffer = (char *) kmalloc(2048); /* Copes with pretty large sectors */
-#endif
- err = -ENOMEM;
- if (!DMAbuffer)
- goto err_dma2;
-
- enable_dma(FIQ_FD1772); /* This inserts a call to our command end routine */
-
- floppy_queue = blk_init_queue(do_fd_request, &lock);
- if (!floppy_queue)
- goto err_queue;
-
- for (i = 0; i < FD_MAX_UNITS; i++) {
- unit[i].track = -1;
- disks[i]->major = MAJOR_NR;
- disks[i]->first_minor = 0;
- disks[i]->fops = &floppy_fops;
- sprintf(disks[i]->disk_name, "fd%d", i);
- disks[i]->private_data = &unit[i];
- disks[i]->queue = floppy_queue;
- set_capacity(disks[i], MAX_DISK_SIZE * 2);
- }
- blk_register_region(MKDEV(MAJOR_NR, 0), 256, THIS_MODULE,
- floppy_find, NULL, NULL);
-
- for (i = 0; i < FD_MAX_UNITS; i++)
- add_disk(disks[i]);
-
- config_types();
-
- return 0;
-
- err_queue:
- kfree(DMAbuffer);
- err_dma2:
- free_dma(FIQ_FD1772);
-
- err_dma1:
- free_dma(FLOPPY_DMA);
-
- err_blkdev:
- unregister_blkdev(MAJOR_NR, "fd");
-
- err_disk:
- while (i--)
- put_disk(disks[i]);
- return err;
-}
diff --git a/drivers/acorn/block/fd1772dma.S b/drivers/acorn/block/fd1772dma.S
deleted file mode 100644
index 7964435443e..00000000000
--- a/drivers/acorn/block/fd1772dma.S
+++ /dev/null
@@ -1,100 +0,0 @@
-#include <asm/hardware.h>
-
-@ Code for DMA with the 1772 fdc
-.text
-
-
- .global fdc1772_dataaddr
-fdc1772_fiqdata:
-@ Number of bytes left to DMA
- .global fdc1772_bytestogo
-fdc1772_bytestogo:
- .word 0
-@ Place to put/get data from in DMA
- .global fdc1772_dataaddr
-fdc1772_dataaddr:
- .word 0
-
- .global fdc1772_fdc_int_done
-fdc1772_fdc_int_done:
- .word 0
- .global fdc1772_comendstatus
-fdc1772_comendstatus:
- .word 0
-
-@ We hang this off DMA channel 1
- .global fdc1772_comendhandler
-fdc1772_comendhandler:
- mov r8,#IOC_BASE
- ldrb r9,[r8,#0x34] @ IOC FIQ status
- tst r9,#2
- subeqs pc,r14,#4 @ should I leave a space here
- orr r9,r8,#0x10000 @ FDC base
- adr r8,fdc1772_fdc_int_done
- ldrb r10,[r9,#0] @ FDC status
- mov r9,#1 @ Got a FIQ flag
- stmia r8,{r9,r10}
- subs pc,r14,#4
-
-
- .global fdc1772_dma_read
-fdc1772_dma_read:
- mov r8,#IOC_BASE
- ldrb r9,[r8,#0x34] @ IOC FIQ status
- tst r9,#1
- beq fdc1772_dma_read_notours
- orr r8,r8,#0x10000 @ FDC base
- ldrb r10,[r8,#0xc] @ Read from FDC data reg (also clears interrupt)
- ldmia r11,{r8,r9}
- subs r8,r8,#1 @ One less byte to go
- @ If there was somewhere for this data to go then store it and update pointers
- strplb r10,[r9],#1 @ Store the data and increment the pointer
- stmplia r11,{r8,r9} @ Update count/pointers
- @ Handle any other interrupts if there are any
-fdc1772_dma_read_notours:
- @ Cant branch because this code has been copied down to the FIQ vector
- ldr pc,[pc,#-4]
- .word fdc1772_comendhandler
- .global fdc1772_dma_read_end
-fdc1772_dma_read_end:
-
- .global fdc1772_dma_write
-fdc1772_dma_write:
- mov r8,#IOC_BASE
- ldrb r9,[r8,#0x34] @ IOC FIQ status
- tst r9,#1
- beq fdc1772_dma_write_notours
- orr r8,r8,#0x10000 @ FDC base
- ldmia r11,{r9,r10}
- subs r9,r9,#1 @ One less byte to go
- @ If there really is some data then get it, store it and update count
- ldrplb r12,[r10],#1
- strplb r12,[r8,#0xc] @ write it to FDC data reg
- stmplia r11,{r9,r10} @ Update count and pointer - should clear interrupt
- @ Handle any other interrupts
-fdc1772_dma_write_notours:
- @ Cant branch because this code has been copied down to the FIQ vector
- ldr pc,[pc,#-4]
- .word fdc1772_comendhandler
-
- .global fdc1772_dma_write_end
-fdc1772_dma_write_end:
-
-
-@ Setup the FIQ R11 to point to the data and store the count, address
-@ for this dma
-@ R0=count
-@ R1=address
- .global fdc1772_setupdma
-fdc1772_setupdma:
- @ The big job is flipping in and out of FIQ mode
- adr r2,fdc1772_fiqdata @ This is what we really came here for
- stmia r2,{r0,r1}
- mov r3, pc
- teqp pc,#0x0c000001 @ Disable FIQs, IRQs and switch to FIQ mode
- mov r0,r0 @ NOP
- mov r11,r2
- teqp r3,#0 @ Normal mode
- mov r0,r0 @ NOP
- mov pc,r14
-
diff --git a/drivers/acorn/block/mfm.S b/drivers/acorn/block/mfm.S
deleted file mode 100644
index c90cbd41ce2..00000000000
--- a/drivers/acorn/block/mfm.S
+++ /dev/null
@@ -1,162 +0,0 @@
-@ Read/Write DMA code for the ST506/MFM hard drive controllers on the A400 Acorn Archimedes
-@ motherboard and on ST506 expansion podules.
-@ (c) David Alan Gilbert (linux@treblig.org) 1996-1999
-
-#include <asm/assembler.h>
-
-hdc63463_irqdata:
-@ Controller base address
- .global hdc63463_baseaddress
-hdc63463_baseaddress:
- .word 0
-
- .global hdc63463_irqpolladdress
-hdc63463_irqpolladdress:
- .word 0
-
- .global hdc63463_irqpollmask
-hdc63463_irqpollmask:
- .word 0
-
-@ where to read/write data from the kernel data space
- .global hdc63463_dataptr
-hdc63463_dataptr:
- .word 0
-
-@ Number of bytes left to transfer
- .global hdc63463_dataleft
-hdc63463_dataleft:
- .word 0
-
-@ -------------------------------------------------------------------------
-@ hdc63463_writedma: DMA from host to controller
-@ internal reg usage: r0=hdc base address, r1=irq poll address, r2=poll mask
-@ r3=data ptr, r4=data left, r5,r6=temporary
- .global hdc63463_writedma
-hdc63463_writedma:
- stmfd sp!,{r4-r7}
- adr r5,hdc63463_irqdata
- ldmia r5,{r0,r1,r2,r3,r4}
-
-writedma_again:
-
- @ test number of remaining bytes to transfer
- cmp r4,#0
- beq writedma_end
- bmi writedma_end
-
- @ Check the hdc is interrupting
- ldrb r5,[r1,#0]
- tst r5,r2
- beq writedma_end
-
- @ Transfer a block of upto 256 bytes
- cmp r4,#256
- movlt r7,r4
- movge r7,#256
-
- @ Check the hdc is still busy and command has not ended and no errors
- ldr r5,[r0,#32] @ Status reg - 16 bit - its the top few bits which are status
- @ think we should continue DMA until it drops busy - perhaps this was
- @ the main problem with corrected errors causing a hang
- @tst r5,#0x3c00 @ Test for things which should be off
- @bne writedma_end
- and r5,r5,#0x8000 @ This is test for things which should be on: Busy
- cmp r5,#0x8000
- bne writedma_end
-
- @ Bytes remaining at end
- sub r4,r4,r7
-
- @ HDC Write register location
- add r0,r0,#32+8
-
-writedma_loop:
- @ OK - pretty sure we should be doing this
-
- ldr r5,[r3],#4 @ Get a word to be written
- @ get bottom half to be sent first
- mov r6,r5,lsl#16 @ Separate the first 2 bytes
- orr r2,r6,r6,lsr #16 @ Duplicate them in the bottom half of the word
- @ now the top half
- mov r6,r5,lsr#16 @ Get 2nd 2 bytes
- orr r6,r6,r6,lsl#16 @ Duplicate
- @str r6,[r0] @ to hdc
- stmia r0,{r2,r6}
- subs r7,r7,#4 @ Dec. number of bytes left
- bne writedma_loop
-
- @ If we were too slow we had better go through again - DAG - took out with new interrupt routine
- @ sub r0,r0,#32+8
- @ adr r2,hdc63463_irqdata
- @ ldr r2,[r2,#8]
- @ b writedma_again
-
-writedma_end:
- adr r5,hdc63463_irqdata+12
- stmia r5,{r3,r4}
- ldmfd sp!,{r4-r7}
- RETINSTR(mov,pc,lr)
-
-@ -------------------------------------------------------------------------
-@ hdc63463_readdma: DMA from controller to host
-@ internal reg usage: r0=hdc base address, r1=irq poll address, r2=poll mask
-@ r3=data ptr, r4=data left, r5,r6=temporary
- .global hdc63463_readdma
-hdc63463_readdma:
- stmfd sp!,{r4-r7}
- adr r5,hdc63463_irqdata
- ldmia r5,{r0,r1,r2,r3,r4}
-
-readdma_again:
- @ test number of remaining bytes to transfer
- cmp r4,#0
- beq readdma_end
- bmi readdma_end
-
- @ Check the hdc is interrupting
- ldrb r5,[r1,#0]
- tst r5,r2
- beq readdma_end
-
- @ Check the hdc is still busy and command has not ended and no errors
- ldr r5,[r0,#32] @ Status reg - 16 bit - its the top few bits which are status
- @ think we should continue DMA until it drops busy - perhaps this was
- @ the main problem with corrected errors causing a hang
- @tst r5,#0x3c00 @ Test for things which should be off
- @bne readdma_end
- and r5,r5,#0x8000 @ This is test for things which should be on: Busy
- cmp r5,#0x8000
- bne readdma_end
-
- @ Transfer a block of upto 256 bytes
- cmp r4,#256
- movlt r7,r4
- movge r7,#256
-
- @ Bytes remaining at end
- sub r4,r4,r7
-
- @ Set a pointer to the data register in the HDC
- add r0,r0,#8
-readdma_loop:
- @ OK - pretty sure we should be doing this
- ldmia r0,{r5,r6}
- mov r5,r5,lsl#16
- mov r6,r6,lsl#16
- orr r6,r6,r5,lsr #16
- str r6,[r3],#4
- subs r7,r7,#4 @ Decrement bytes to go
- bne readdma_loop
-
- @ Try reading multiple blocks - if this was fast enough then I do not think
- @ this should help - NO taken out DAG - new interrupt handler has
- @ non-consecutive memory blocks
- @ sub r0,r0,#8
- @ b readdma_again
-
-readdma_end:
- adr r5,hdc63463_irqdata+12
- stmia r5,{r3,r4}
- ldmfd sp!,{r4-r7}
- RETINSTR(mov,pc,lr)
diff --git a/drivers/acorn/block/mfmhd.c b/drivers/acorn/block/mfmhd.c
deleted file mode 100644
index 4b65f74d66b..00000000000
--- a/drivers/acorn/block/mfmhd.c
+++ /dev/null
@@ -1,1416 +0,0 @@
-/*
- * linux/arch/arm/drivers/block/mfmhd.c
- *
- * Copyright (C) 1995, 1996 Russell King, Dave Alan Gilbert (gilbertd@cs.man.ac.uk)
- *
- * MFM hard drive code [experimental]
- */
-
-/*
- * Change list:
- *
- * 3/2/96:DAG: Started a change list :-)
- * Set the hardsect_size pointers up since we are running 256 byte
- * sectors
- * Added DMA code, put it into the rw_intr
- * Moved RCAL out of generic interrupt code - don't want to do it
- * while DMA'ing - its now in individual handlers.
- * Took interrupt handlers off task queue lists and called
- * directly - not sure of implications.
- *
- * 18/2/96:DAG: Well its reading OK I think, well enough for image file code
- * to find the image file; but now I've discovered that I actually
- * have to put some code in for image files.
- *
- * Added stuff for image files; seems to work, but I've not
- * got a multisegment image file (I don't think!).
- * Put in a hack (yep a real hack) for multiple cylinder reads.
- * Not convinced its working.
- *
- * 5/4/96:DAG: Added asm/hardware.h and use IOC_ macros
- * Rewrote dma code in mfm.S (again!) - now takes a word at a time
- * from main RAM for speed; still doesn't feel speedy!
- *
- * 20/4/96:DAG: After rewriting mfm.S a heck of a lot of times and speeding
- * things up, I've finally figured out why its so damn slow.
- * Linux is only reading a block at a time, and so you never
- * get more than 1K per disc revoloution ~=60K/second.
- *
- * 27/4/96:DAG: On Russell's advice I change ll_rw_blk.c to ask it to
- * join adjacent blocks together. Everything falls flat on its
- * face.
- * Four hours of debugging later; I hadn't realised that
- * ll_rw_blk would be so generous as to join blocks whose
- * results aren't going into consecutive buffers.
- *
- * OK; severe rehacking of mfm_rw_interrupt; now end_request's
- * as soon as its DMA'd each request. Odd thing is that
- * we are sometimes getting interrupts where we are not transferring
- * any data; why? Is that what happens when you miss? I doubt
- * it; are we too fast? No - its just at command ends. Got 240K/s
- * better than before, but RiscOS hits 480K/s
- *
- * 25/6/96:RMK: Fixed init code to allow the MFM podule to work. Increased the
- * number of errors for my Miniscribe drive (8425).
- *
- * 30/6/96:DAG: Russell suggested that a check drive 0 might turn the LEDs off
- * - so in request_done just before it clears Busy it sends a
- * check drive 0 - and the LEDs go off!!!!
- *
- * Added test for mainboard controller. - Removes need for separate
- * define.
- *
- * 13/7/96:DAG: Changed hardware sectore size to 512 in attempt to make
- * IM drivers work.
- * 21/7/96:DAG: Took out old image file stuff (accessing it now produces an IO
- * error.)
- *
- * 17/8/96:DAG: Ran through indent -kr -i8; evil - all my nice 2 character indents
- * gone :-( Hand modified afterwards.
- * Took out last remains of the older image map system.
- *
- * 22/9/96:DAG: Changed mfm.S so it will carry on DMA'ing til; BSY is dropped
- * Changed mfm_rw_intr so that it doesn't follow the error
- * code until BSY is dropped. Nope - still broke. Problem
- * may revolve around when it reads the results for the error
- * number?
- *
- *16/11/96:DAG: Modified for 2.0.18; request_irq changed
- *
- *17/12/96:RMK: Various cleanups, reorganisation, and the changes for new IO system.
- * Improved probe for onboard MFM chip - it was hanging on my A5k.
- * Added autodetect CHS code such that we don't rely on the presence
- * of an ADFS boot block. Added ioport resource manager calls so
- * that we don't clash with already-running hardware (eg. RiscPC Ether
- * card slots if someone tries this)!
- *
- * 17/1/97:RMK: Upgraded to 2.1 kernels.
- *
- * 4/3/98:RMK: Changed major number to 21.
- *
- * 27/6/98:RMK: Changed asm/delay.h to linux/delay.h for mdelay().
- */
-
-/*
- * Possible enhancements:
- * Multi-thread the code so that it is possible that while one drive
- * is seeking, the other one can be reading data/seeking as well.
- * This would be a performance boost with dual drive systems.
- */
-
-#include <linux/module.h>
-#include <linux/config.h>
-#include <linux/sched.h>
-#include <linux/fs.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/errno.h>
-#include <linux/genhd.h>
-#include <linux/major.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/blkpg.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/dma.h>
-#include <asm/hardware.h>
-#include <asm/ecard.h>
-#include <asm/hardware/ioc.h>
-
-static void (*do_mfm)(void) = NULL;
-static struct request_queue *mfm_queue;
-static DEFINE_SPINLOCK(mfm_lock);
-
-#define MAJOR_NR MFM_ACORN_MAJOR
-#define QUEUE (mfm_queue)
-#define CURRENT elv_next_request(mfm_queue)
-/*
- * This sort of stuff should be in a header file shared with ide.c, hd.c, xd.c etc
- */
-#ifndef HDIO_GETGEO
-#define HDIO_GETGEO 0x301
-struct hd_geometry {
- unsigned char heads;
- unsigned char sectors;
- unsigned short cylinders;
- unsigned long start;
-};
-#endif
-
-
-/*
- * Configuration section
- *
- * This is the maximum number of drives that we accept
- */
-#define MFM_MAXDRIVES 2
-/*
- * Linux I/O address of onboard MFM controller or 0 to disable this
- */
-#define ONBOARD_MFM_ADDRESS ((0x002d0000 >> 2) | 0x80000000)
-/*
- * Uncomment this to enable debugging in the MFM driver...
- */
-#ifndef DEBUG
-/*#define DEBUG */
-#endif
-/*
- * End of configuration
- */
-
-
-/*
- * This structure contains all information to do with a particular physical
- * device.
- */
-struct mfm_info {
- unsigned char sectors;
- unsigned char heads;
- unsigned short cylinders;
- unsigned short lowcurrent;
- unsigned short precomp;
-#define NO_TRACK -1
-#define NEED_1_RECAL -2
-#define NEED_2_RECAL -3
- int cylinder;
- struct {
- char recal;
- char report;
- char abort;
- } errors;
-} mfm_info[MFM_MAXDRIVES];
-
-#define MFM_DRV_INFO mfm_info[raw_cmd.dev]
-
-/* Stuff from the assembly routines */
-extern unsigned int hdc63463_baseaddress; /* Controller base address */
-extern unsigned int hdc63463_irqpolladdress; /* Address to read to test for int */
-extern unsigned int hdc63463_irqpollmask; /* Mask for irq register */
-extern unsigned int hdc63463_dataptr; /* Pointer to kernel data space to DMA */
-extern int hdc63463_dataleft; /* Number of bytes left to transfer */
-
-
-
-
-static int lastspecifieddrive;
-static unsigned Busy;
-
-static unsigned int PartFragRead; /* The number of sectors which have been read
- during a partial read split over two
- cylinders. If 0 it means a partial
- read did not occur. */
-
-static unsigned int PartFragRead_RestartBlock; /* Where to restart on a split access */
-static unsigned int PartFragRead_SectorsLeft; /* Where to restart on a split access */
-
-static int Sectors256LeftInCurrent; /* i.e. 256 byte sectors left in current */
-static int SectorsLeftInRequest; /* i.e. blocks left in the thing mfm_request was called for */
-static int Copy_Sector; /* The 256 byte sector we are currently at - fragments need to know
- where to take over */
-static char *Copy_buffer;
-
-
-static void mfm_seek(void);
-static void mfm_rerequest(void);
-static void mfm_request(void);
-static void mfm_specify (void);
-static void issue_request(unsigned int block, unsigned int nsect,
- struct request *req);
-
-static unsigned int mfm_addr; /* Controller address */
-static unsigned int mfm_IRQPollLoc; /* Address to read for IRQ information */
-static unsigned int mfm_irqenable; /* Podule IRQ enable location */
-static unsigned char mfm_irq; /* Interrupt number */
-static int mfm_drives = 0; /* drives available */
-static int mfm_status = 0; /* interrupt status */
-static int *errors;
-
-static struct rawcmd {
- unsigned int dev;
- unsigned int cylinder;
- unsigned int head;
- unsigned int sector;
- unsigned int cmdtype;
- unsigned int cmdcode;
- unsigned char cmddata[16];
- unsigned int cmdlen;
-} raw_cmd;
-
-static unsigned char result[16];
-
-static struct cont {
- void (*interrupt) (void); /* interrupt handler */
- void (*error) (void); /* error handler */
- void (*redo) (void); /* redo handler */
- void (*done) (int st); /* done handler */
-} *cont = NULL;
-
-#if 0
-static struct tq_struct mfm_tq = {0, 0, (void (*)(void *)) NULL, 0};
-#endif
-
-int number_mfm_drives = 1;
-
-/* ------------------------------------------------------------------------------------------ */
-/*
- * From the HD63463 data sheet from Hitachi Ltd.
- */
-
-#define MFM_COMMAND (mfm_addr + 0)
-#define MFM_DATAOUT (mfm_addr + 1)
-#define MFM_STATUS (mfm_addr + 8)
-#define MFM_DATAIN (mfm_addr + 9)
-
-#define CMD_ABT 0xF0 /* Abort */
-#define CMD_SPC 0xE8 /* Specify */
-#define CMD_TST 0xE0 /* Test */
-#define CMD_RCLB 0xC8 /* Recalibrate */
-#define CMD_SEK 0xC0 /* Seek */
-#define CMD_WFS 0xAB /* Write Format Skew */
-#define CMD_WFM 0xA3 /* Write Format */
-#define CMD_MTB 0x90 /* Memory to buffer */
-#define CMD_CMPD 0x88 /* Compare data */
-#define CMD_WD 0x87 /* Write data */
-#define CMD_RED 0x70 /* Read erroneous data */
-#define CMD_RIS 0x68 /* Read ID skew */
-#define CMD_FID 0x61 /* Find ID */
-#define CMD_RID 0x60 /* Read ID */
-#define CMD_BTM 0x50 /* Buffer to memory */
-#define CMD_CKD 0x48 /* Check data */
-#define CMD_RD 0x40 /* Read data */
-#define CMD_OPBW 0x38 /* Open buffer write */
-#define CMD_OPBR 0x30 /* Open buffer read */
-#define CMD_CKV 0x28 /* Check drive */
-#define CMD_CKE 0x20 /* Check ECC */
-#define CMD_POD 0x18 /* Polling disable */
-#define CMD_POL 0x10 /* Polling enable */
-#define CMD_RCAL 0x08 /* Recall */
-
-#define STAT_BSY 0x8000 /* Busy */
-#define STAT_CPR 0x4000 /* Command Parameter Rejection */
-#define STAT_CED 0x2000 /* Command end */
-#define STAT_SED 0x1000 /* Seek end */
-#define STAT_DER 0x0800 /* Drive error */
-#define STAT_ABN 0x0400 /* Abnormal end */
-#define STAT_POL 0x0200 /* Polling */
-
-/* ------------------------------------------------------------------------------------------ */
-#ifdef DEBUG
-static void console_printf(const char *fmt,...)
-{
- static char buffer[2048]; /* Arbitary! */
- extern void console_print(const char *);
- unsigned long flags;
- va_list ap;
-
- local_irq_save(flags);
-
- va_start(ap, fmt);
- vsprintf(buffer, fmt, ap);
- console_print(buffer);
- va_end(fmt);
-
- local_irq_restore(flags);
-}; /* console_printf */
-
-#define DBG(x...) console_printf(x)
-#else
-#define DBG(x...)
-#endif
-
-static void print_status(void)
-{
- char *error;
- static char *errors[] = {
- "no error",
- "command aborted",
- "invalid command",
- "parameter error",
- "not initialised",
- "rejected TEST",
- "no useld",
- "write fault",
- "not ready",
- "no scp",
- "in seek",
- "invalid NCA",
- "invalid step rate",
- "seek error",
- "over run",
- "invalid PHA",
- "data field EEC error",
- "data field CRC error",
- "error corrected",
- "data field fatal error",
- "no data am",
- "not hit",
- "ID field CRC error",
- "time over",
- "no ID am",
- "not writable"
- };
- if (result[1] < 0x65)
- error = errors[result[1] >> 2];
- else
- error = "unknown";
- printk("(");
- if (mfm_status & STAT_BSY) printk("BSY ");
- if (mfm_status & STAT_CPR) printk("CPR ");
- if (mfm_status & STAT_CED) printk("CED ");
- if (mfm_status & STAT_SED) printk("SED ");
- if (mfm_status & STAT_DER) printk("DER ");
- if (mfm_status & STAT_ABN) printk("ABN ");
- if (mfm_status & STAT_POL) printk("POL ");
- printk(") SSB = %X (%s)\n", result[1], error);
-
-}
-
-/* ------------------------------------------------------------------------------------- */
-
-static void issue_command(int command, unsigned char *cmdb, int len)
-{
- int status;
-#ifdef DEBUG
- int i;
- console_printf("issue_command: %02X: ", command);
- for (i = 0; i < len; i++)
- console_printf("%02X ", cmdb[i]);
- console_printf("\n");
-#endif
-
- do {
- status = inw(MFM_STATUS);
- } while (status & (STAT_BSY | STAT_POL));
- DBG("issue_command: status after pol/bsy loop: %02X:\n ", status >> 8);
-
- if (status & (STAT_CPR | STAT_CED | STAT_SED | STAT_DER | STAT_ABN)) {
- outw(CMD_RCAL, MFM_COMMAND);
- while (inw(MFM_STATUS) & STAT_BSY);
- }
- status = inw(MFM_STATUS);
- DBG("issue_command: status before parameter issue: %02X:\n ", status >> 8);
-
- while (len > 0) {
- outw(cmdb[1] | (cmdb[0] << 8), MFM_DATAOUT);
- len -= 2;
- cmdb += 2;
- }
- status = inw(MFM_STATUS);
- DBG("issue_command: status before command issue: %02X:\n ", status >> 8);
-
- outw(command, MFM_COMMAND);
- status = inw(MFM_STATUS);
- DBG("issue_command: status immediately after command issue: %02X:\n ", status >> 8);
-}
-
-static void wait_for_completion(void)
-{
- while ((mfm_status = inw(MFM_STATUS)) & STAT_BSY);
-}
-
-static void wait_for_command_end(void)
-{
- int i;
-
- while (!((mfm_status = inw(MFM_STATUS)) & STAT_CED));
-
- for (i = 0; i < 16;) {
- int in;
- in = inw(MFM_DATAIN);
- result[i++] = in >> 8;
- result[i++] = in;
- }
- outw (CMD_RCAL, MFM_COMMAND);
-}
-
-/* ------------------------------------------------------------------------------------- */
-
-static void mfm_rw_intr(void)
-{
- int old_status; /* Holds status on entry, we read to see if the command just finished */
-#ifdef DEBUG
- console_printf("mfm_rw_intr...dataleft=%d\n", hdc63463_dataleft);
- print_status();
-#endif
-
- /* Now don't handle the error until BSY drops */
- if ((mfm_status & (STAT_DER | STAT_ABN)) && ((mfm_status&STAT_BSY)==0)) {
- /* Something has gone wrong - let's try that again */
- outw(CMD_RCAL, MFM_COMMAND); /* Clear interrupt condition */
- if (cont) {
- DBG("mfm_rw_intr: DER/ABN err\n");
- cont->error();
- cont->redo();
- };
- return;
- };
-
- /* OK so what ever happened it's not an error, now I reckon we are left between
- a choice of command end or some data which is ready to be collected */
- /* I think we have to transfer data while the interrupt line is on and its
- not any other type of interrupt */
- if (CURRENT->cmd == WRITE) {
- extern void hdc63463_writedma(void);
- if ((hdc63463_dataleft <= 0) && (!(mfm_status & STAT_CED))) {
- printk("mfm_rw_intr: Apparent DMA write request when no more to DMA\n");
- if (cont) {
- cont->error();
- cont->redo();
- };
- return;
- };
- hdc63463_writedma();
- } else {
- extern void hdc63463_readdma(void);
- if ((hdc63463_dataleft <= 0) && (!(mfm_status & STAT_CED))) {
- printk("mfm_rw_intr: Apparent DMA read request when no more to DMA\n");
- if (cont) {
- cont->error();
- cont->redo();
- };
- return;
- };
- DBG("Going to try read dma..............status=0x%x, buffer=%p\n", mfm_status, hdc63463_dataptr);
- hdc63463_readdma();
- }; /* Read */
-
- if (hdc63463_dataptr != ((unsigned int) Copy_buffer + 256)) {
- /* If we didn't actually manage to get any data on this interrupt - but why? We got the interrupt */
- /* Ah - well looking at the status its just when we get command end; so no problem */
- /*console_printf("mfm: dataptr mismatch. dataptr=0x%08x Copy_buffer+256=0x%08p\n",
- hdc63463_dataptr,Copy_buffer+256);
- print_status(); */
- } else {
- Sectors256LeftInCurrent--;
- Copy_buffer += 256;
- Copy_Sector++;
-
- /* We have come to the end of this request */
- if (!Sectors256LeftInCurrent) {
- DBG("mfm: end_request for CURRENT=0x%p CURRENT(sector=%d current_nr_sectors=%d nr_sectors=%d)\n",
- CURRENT, CURRENT->sector, CURRENT->current_nr_sectors, CURRENT->nr_sectors);
-
- CURRENT->nr_sectors -= CURRENT->current_nr_sectors;
- CURRENT->sector += CURRENT->current_nr_sectors;
- SectorsLeftInRequest -= CURRENT->current_nr_sectors;
-
- end_request(CURRENT, 1);
- if (SectorsLeftInRequest) {
- hdc63463_dataptr = (unsigned int) CURRENT->buffer;
- Copy_buffer = CURRENT->buffer;
- Sectors256LeftInCurrent = CURRENT->current_nr_sectors * 2;
- errors = &(CURRENT->errors);
- /* These should match the present calculations of the next logical sector
- on the device
- Copy_Sector=CURRENT->sector*2; */
-
- if (Copy_Sector != CURRENT->sector * 2)
-#ifdef DEBUG
- /*console_printf*/printk("mfm: Copy_Sector mismatch. Copy_Sector=%d CURRENT->sector*2=%d\n",
- Copy_Sector, CURRENT->sector * 2);
-#else
- printk("mfm: Copy_Sector mismatch! Eek!\n");
-#endif
- }; /* CURRENT */
- }; /* Sectors256LeftInCurrent */
- };
-
- old_status = mfm_status;
- mfm_status = inw(MFM_STATUS);
- if (mfm_status & (STAT_DER | STAT_ABN)) {
- /* Something has gone wrong - let's try that again */
- if (cont) {
- DBG("mfm_rw_intr: DER/ABN error\n");
- cont->error();
- cont->redo();
- };
- return;
- };
-
- /* If this code wasn't entered due to command_end but there is
- now a command end we must read the command results out. If it was
- entered like this then mfm_interrupt_handler would have done the
- job. */
- if ((!((old_status & (STAT_CPR | STAT_BSY)) == STAT_CPR)) &&
- ((mfm_status & (STAT_CPR | STAT_BSY)) == STAT_CPR)) {
- int len = 0;
- while (len < 16) {
- int in;
- in = inw(MFM_DATAIN);
- result[len++] = in >> 8;
- result[len++] = in;
- };
- }; /* Result read */
-
- /*console_printf ("mfm_rw_intr nearexit [%02X]\n", __raw_readb(mfm_IRQPollLoc)); */
-
- /* If end of command move on */
- if (mfm_status & (STAT_CED)) {
- outw(CMD_RCAL, MFM_COMMAND); /* Clear interrupt condition */
- /* End of command - trigger the next command */
- if (cont) {
- cont->done(1);
- }
- DBG("mfm_rw_intr: returned from cont->done\n");
- } else {
- /* Its going to generate another interrupt */
- do_mfm = mfm_rw_intr;
- };
-}
-
-static void mfm_setup_rw(void)
-{
- DBG("setting up for rw...\n");
-
- do_mfm = mfm_rw_intr;
- issue_command(raw_cmd.cmdcode, raw_cmd.cmddata, raw_cmd.cmdlen);
-}
-
-static void mfm_recal_intr(void)
-{
-#ifdef DEBUG
- console_printf("recal intr - status = ");
- print_status();
-#endif
- outw(CMD_RCAL, MFM_COMMAND); /* Clear interrupt condition */
- if (mfm_status & (STAT_DER | STAT_ABN)) {
- printk("recal failed\n");
- MFM_DRV_INFO.cylinder = NEED_2_RECAL;
- if (cont) {
- cont->error();
- cont->redo();
- }
- return;
- }
- /* Thats seek end - we are finished */
- if (mfm_status & STAT_SED) {
- issue_command(CMD_POD, NULL, 0);
- MFM_DRV_INFO.cylinder = 0;
- mfm_seek();
- return;
- }
- /* Command end without seek end (see data sheet p.20) for parallel seek
- - we have to send a POL command to wait for the seek */
- if (mfm_status & STAT_CED) {
- do_mfm = mfm_recal_intr;
- issue_command(CMD_POL, NULL, 0);
- return;
- }
- printk("recal: unknown status\n");
-}
-
-static void mfm_seek_intr(void)
-{
-#ifdef DEBUG
- console_printf("seek intr - status = ");
- print_status();
-#endif
- outw(CMD_RCAL, MFM_COMMAND); /* Clear interrupt condition */
- if (mfm_status & (STAT_DER | STAT_ABN)) {
- printk("seek failed\n");
- MFM_DRV_INFO.cylinder = NEED_2_RECAL;
- if (cont) {
- cont->error();
- cont->redo();
- }
- return;
- }
- if (mfm_status & STAT_SED) {
- issue_command(CMD_POD, NULL, 0);
- MFM_DRV_INFO.cylinder = raw_cmd.cylinder;
- mfm_seek();
- return;
- }
- if (mfm_status & STAT_CED) {
- do_mfm = mfm_seek_intr;
- issue_command(CMD_POL, NULL, 0);
- return;
- }
- printk("seek: unknown status\n");
-}
-
-/* IDEA2 seems to work better - its what RiscOS sets my
- * disc to - on its SECOND call to specify!
- */
-#define IDEA2
-#ifndef IDEA2
-#define SPEC_SL 0x16
-#define SPEC_SH 0xa9 /* Step pulse high=21, Record Length=001 (256 bytes) */
-#else
-#define SPEC_SL 0x00 /* OM2 - SL - step pulse low */
-#define SPEC_SH 0x21 /* Step pulse high=4, Record Length=001 (256 bytes) */
-#endif
-
-static void mfm_setupspecify (int drive, unsigned char *cmdb)
-{
- cmdb[0] = 0x1f; /* OM0 - !SECT,!MOD,!DIF,PADP,ECD,CRCP,CRCI,ACOR */
- cmdb[1] = 0xc3; /* OM1 - DTM,BRST,!CEDM,!SEDM,!DERM,0,AMEX,PSK */
- cmdb[2] = SPEC_SL; /* OM2 - SL - step pulse low */
- cmdb[3] = (number_mfm_drives == 1) ? 0x02 : 0x06; /* 1 or 2 drives */
- cmdb[4] = 0xfc | ((mfm_info[drive].cylinders - 1) >> 8);/* RW time over/high part of number of cylinders */
- cmdb[5] = mfm_info[drive].cylinders - 1; /* low part of number of cylinders */
- cmdb[6] = mfm_info[drive].heads - 1; /* Number of heads */
- cmdb[7] = mfm_info[drive].sectors - 1; /* Number of sectors */
- cmdb[8] = SPEC_SH;
- cmdb[9] = 0x0a; /* gap length 1 */
- cmdb[10] = 0x0d; /* gap length 2 */
- cmdb[11] = 0x0c; /* gap length 3 */
- cmdb[12] = (mfm_info[drive].precomp - 1) >> 8; /* pre comp cylinder */
- cmdb[13] = mfm_info[drive].precomp - 1;
- cmdb[14] = (mfm_info[drive].lowcurrent - 1) >> 8; /* Low current cylinder */
- cmdb[15] = mfm_info[drive].lowcurrent - 1;
-}
-
-static void mfm_specify (void)
-{
- unsigned char cmdb[16];
-
- DBG("specify...dev=%d lastspecified=%d\n", raw_cmd.dev, lastspecifieddrive);
- mfm_setupspecify (raw_cmd.dev, cmdb);
-
- issue_command (CMD_SPC, cmdb, 16);
- /* Ensure that we will do another specify if we move to the other drive */
- lastspecifieddrive = raw_cmd.dev;
- wait_for_completion();
-}
-
-static void mfm_seek(void)
-{
- unsigned char cmdb[4];
-
- DBG("seeking...\n");
- if (MFM_DRV_INFO.cylinder < 0) {
- do_mfm = mfm_recal_intr;
- DBG("mfm_seek: about to call specify\n");
- mfm_specify (); /* DAG added this */
-
- cmdb[0] = raw_cmd.dev + 1;
- cmdb[1] = 0;
-
- issue_command(CMD_RCLB, cmdb, 2);
- return;
- }
- if (MFM_DRV_INFO.cylinder != raw_cmd.cylinder) {
- cmdb[0] = raw_cmd.dev + 1;
- cmdb[1] = 0; /* raw_cmd.head; DAG: My data sheet says this should be 0 */
- cmdb[2] = raw_cmd.cylinder >> 8;
- cmdb[3] = raw_cmd.cylinder;
-
- do_mfm = mfm_seek_intr;
- issue_command(CMD_SEK, cmdb, 4);
- } else
- mfm_setup_rw();
-}
-
-static void mfm_initialise(void)
-{
- DBG("init...\n");
- mfm_seek();
-}
-
-static void request_done(int uptodate)
-{
- DBG("mfm:request_done\n");
- if (uptodate) {
- unsigned char block[2] = {0, 0};
-
- /* Apparently worked - let's check bytes left to DMA */
- if (hdc63463_dataleft != (PartFragRead_SectorsLeft * 256)) {
- printk("mfm: request_done - dataleft=%d - should be %d - Eek!\n", hdc63463_dataleft, PartFragRead_SectorsLeft * 256);
- end_request(CURRENT, 0);
- Busy = 0;
- };
- /* Potentially this means that we've done; but we might be doing
- a partial access, (over two cylinders) or we may have a number
- of fragments in an image file. First let's deal with partial accesss
- */
- if (PartFragRead) {
- /* Yep - a partial access */
-
- /* and issue the remainder */
- issue_request(PartFragRead_RestartBlock, PartFragRead_SectorsLeft, CURRENT);
- return;
- }
-
- /* ah well - perhaps there is another fragment to go */
-
- /* Increment pointers/counts to start of next fragment */
- if (SectorsLeftInRequest > 0) printk("mfm: SectorsLeftInRequest>0 - Eek! Shouldn't happen!\n");
-
- /* No - its the end of the line */
- /* end_request's should have happened at the end of sector DMAs */
- /* Turns Drive LEDs off - may slow it down? */
- if (!elv_next_request(QUEUE))
- issue_command(CMD_CKV, block, 2);
-
- Busy = 0;
- DBG("request_done: About to mfm_request\n");
- /* Next one please */
- mfm_request(); /* Moved from mfm_rw_intr */
- DBG("request_done: returned from mfm_request\n");
- } else {
- printk("mfm:request_done: update=0\n");
- end_request(CURRENT, 0);
- Busy = 0;
- }
-}
-
-static void error_handler(void)
-{
- printk("error detected... status = ");
- print_status();
- (*errors)++;
- if (*errors > MFM_DRV_INFO.errors.abort)
- cont->done(0);
- if (*errors > MFM_DRV_INFO.errors.recal)
- MFM_DRV_INFO.cylinder = NEED_2_RECAL;
-}
-
-static void rw_interrupt(void)
-{
- printk("rw_interrupt\n");
-}
-
-static struct cont rw_cont =
-{
- rw_interrupt,
- error_handler,
- mfm_rerequest,
- request_done
-};
-
-/*
- * Actually gets round to issuing the request - note everything at this
- * point is in 256 byte sectors not Linux 512 byte blocks
- */
-static void issue_request(unsigned int block, unsigned int nsect,
- struct request *req)
-{
- struct gendisk *disk = req->rq_disk;
- struct mfm_info *p = disk->private_data;
- int track, start_head, start_sector;
- int sectors_to_next_cyl;
- dev = p - mfm_info;
-
- track = block / p->sectors;
- start_sector = block % p->sectors;
- start_head = track % p->heads;
-
- /* First get the number of whole tracks which are free before the next
- track */
- sectors_to_next_cyl = (p->heads - (start_head + 1)) * p->sectors;
- /* Then add in the number of sectors left on this track */
- sectors_to_next_cyl += (p->sectors - start_sector);
-
- DBG("issue_request: mfm_info[dev].sectors=%d track=%d\n", p->sectors, track);
-
- raw_cmd.dev = dev;
- raw_cmd.sector = start_sector;
- raw_cmd.head = start_head;
- raw_cmd.cylinder = track / p->heads;
- raw_cmd.cmdtype = CURRENT->cmd;
- raw_cmd.cmdcode = CURRENT->cmd == WRITE ? CMD_WD : CMD_RD;
- raw_cmd.cmddata[0] = dev + 1; /* DAG: +1 to get US */
- raw_cmd.cmddata[1] = raw_cmd.head;
- raw_cmd.cmddata[2] = raw_cmd.cylinder >> 8;
- raw_cmd.cmddata[3] = raw_cmd.cylinder;
- raw_cmd.cmddata[4] = raw_cmd.head;
- raw_cmd.cmddata[5] = raw_cmd.sector;
-
- /* Was == and worked - how the heck??? */
- if (lastspecifieddrive != raw_cmd.dev)
- mfm_specify ();
-
- if (nsect <= sectors_to_next_cyl) {
- raw_cmd.cmddata[6] = nsect >> 8;
- raw_cmd.cmddata[7] = nsect;
- PartFragRead = 0; /* All in one */
- PartFragRead_SectorsLeft = 0; /* Must set this - used in DMA calcs */
- } else {
- raw_cmd.cmddata[6] = sectors_to_next_cyl >> 8;
- raw_cmd.cmddata[7] = sectors_to_next_cyl;
- PartFragRead = sectors_to_next_cyl; /* only do this many this time */
- PartFragRead_RestartBlock = block + sectors_to_next_cyl; /* Where to restart from */
- PartFragRead_SectorsLeft = nsect - sectors_to_next_cyl;
- }
- raw_cmd.cmdlen = 8;
-
- /* Setup DMA pointers */
- hdc63463_dataptr = (unsigned int) Copy_buffer;
- hdc63463_dataleft = nsect * 256; /* Better way? */
-
- DBG("mfm%c: %sing: CHS=%d/%d/%d, sectors=%d, buffer=0x%08lx (%p)\n",
- raw_cmd.dev + 'a', (CURRENT->cmd == READ) ? "read" : "writ",
- raw_cmd.cylinder,
- raw_cmd.head,
- raw_cmd.sector, nsect, (unsigned long) Copy_buffer, CURRENT);
-
- cont = &rw_cont;
- errors = &(CURRENT->errors);
-#if 0
- mfm_tq.routine = (void (*)(void *)) mfm_initialise;
- queue_task(&mfm_tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
-#else
- mfm_initialise();
-#endif
-} /* issue_request */
-
-/*
- * Called when an error has just happened - need to trick mfm_request
- * into thinking we weren't busy
- *
- * Turn off ints - mfm_request expects them this way
- */
-static void mfm_rerequest(void)
-{
- DBG("mfm_rerequest\n");
- cli();
- Busy = 0;
- mfm_request();
-}
-
-static struct gendisk *mfm_gendisk[2];
-
-static void mfm_request(void)
-{
- DBG("mfm_request CURRENT=%p Busy=%d\n", CURRENT, Busy);
-
- /* If we are still processing then return; we will get called again */
- if (Busy) {
- /* Again seems to be common in 1.3.45 */
- /*DBG*/printk("mfm_request: Exiting due to busy\n");
- return;
- }
- Busy = 1;
-
- while (1) {
- unsigned int block, nsect;
- struct gendisk *disk;
-
- DBG("mfm_request: loop start\n");
- sti();
-
- DBG("mfm_request: before !CURRENT\n");
-
- if (!CURRENT) {
- printk("mfm_request: Exiting due to empty queue (pre)\n");
- do_mfm = NULL;
- Busy = 0;
- return;
- }
-
- DBG("mfm_request: before arg extraction\n");
-
- disk = CURRENT->rq_disk;
- block = CURRENT->sector;
- nsect = CURRENT->nr_sectors;
- if (block >= get_capacity(disk) ||
- block+nsect > get_capacity(disk)) {
- printk("%s: bad access: block=%d, count=%d, nr_sects=%ld\n",
- disk->disk_name, block, nsect, get_capacity(disk));
- printk("mfm: continue 1\n");
- end_request(CURRENT, 0);
- Busy = 0;
- continue;
- }
-
- /* DAG: Linux doesn't cope with this - even though it has an array telling
- it the hardware block size - silly */
- block <<= 1; /* Now in 256 byte sectors */
- nsect <<= 1; /* Ditto */
-
- SectorsLeftInRequest = nsect >> 1;
- Sectors256LeftInCurrent = CURRENT->current_nr_sectors * 2;
- Copy_buffer = CURRENT->buffer;
- Copy_Sector = CURRENT->sector << 1;
-
- DBG("mfm_request: block after offset=%d\n", block);
-
- if (CURRENT->cmd != READ && CURRENT->cmd != WRITE) {
- printk("unknown mfm-command %d\n", CURRENT->cmd);
- end_request(CURRENT, 0);
- Busy = 0;
- printk("mfm: continue 4\n");
- continue;
- }
- issue_request(block, nsect, CURRENT);
-
- break;
- }
- DBG("mfm_request: Dropping out bottom\n");
-}
-
-static void do_mfm_request(request_queue_t *q)
-{
- DBG("do_mfm_request: about to mfm_request\n");
- mfm_request();
-}
-
-static void mfm_interrupt_handler(int unused, void *dev_id, struct pt_regs *regs)
-{
- void (*handler) (void) = do_mfm;
-
- do_mfm = NULL;
-
- DBG("mfm_interrupt_handler (handler=0x%p)\n", handler);
-
- mfm_status = inw(MFM_STATUS);
-
- /* If CPR (Command Parameter Reject) and not busy it means that the command
- has some return message to give us */
- if ((mfm_status & (STAT_CPR | STAT_BSY)) == STAT_CPR) {
- int len = 0;
- while (len < 16) {
- int in;
- in = inw(MFM_DATAIN);
- result[len++] = in >> 8;
- result[len++] = in;
- }
- }
- if (handler) {
- handler();
- return;
- }
- outw (CMD_RCAL, MFM_COMMAND); /* Clear interrupt condition */
- printk ("mfm: unexpected interrupt - status = ");
- print_status ();
- while (1);
-}
-
-
-
-
-
-/*
- * Tell the user about the drive if we decided it exists.
- */
-static void mfm_geometry(int drive)
-{
- struct mfm_info *p = mfm_info + drive;
- struct gendisk *disk = mfm_gendisk[drive];
- disk->private_data = p;
- if (p->cylinders)
- printk ("%s: %dMB CHS=%d/%d/%d LCC=%d RECOMP=%d\n",
- disk->disk_name,
- p->cylinders * p->heads * p->sectors / 4096,
- p->cylinders, p->heads, p->sectors,
- p->lowcurrent, p->precomp);
- set_capacity(disk, p->cylinders * p->heads * p->sectors / 2);
-}
-
-#ifdef CONFIG_BLK_DEV_MFM_AUTODETECT
-/*
- * Attempt to detect a drive and find its geometry. The drive has already been
- * specified...
- *
- * We first recalibrate the disk, then try to probe sectors, heads and then
- * cylinders. NOTE! the cylinder probe may break drives. The xd disk driver
- * does something along these lines, so I assume that most drives are up to
- * this mistreatment...
- */
-static int mfm_detectdrive (int drive)
-{
- unsigned int mingeo[3], maxgeo[3];
- unsigned int attribute, need_recal = 1;
- unsigned char cmdb[8];
-
- memset (mingeo, 0, sizeof (mingeo));
- maxgeo[0] = mfm_info[drive].sectors;
- maxgeo[1] = mfm_info[drive].heads;
- maxgeo[2] = mfm_info[drive].cylinders;
-
- cmdb[0] = drive + 1;
- cmdb[6] = 0;
- cmdb[7] = 1;
- for (attribute = 0; attribute < 3; attribute++) {
- while (mingeo[attribute] != maxgeo[attribute]) {
- unsigned int variable;
-
- variable = (maxgeo[attribute] + mingeo[attribute]) >> 1;
- cmdb[1] = cmdb[2] = cmdb[3] = cmdb[4] = cmdb[5] = 0;
-
- if (need_recal) {
- int tries = 5;
-
- do {
- issue_command (CMD_RCLB, cmdb, 2);
- wait_for_completion ();
- wait_for_command_end ();
- if (result[1] == 0x20)
- break;
- } while (result[1] && --tries);
- if (result[1]) {
- outw (CMD_RCAL, MFM_COMMAND);
- return 0;
- }
- need_recal = 0;
- }
-
- switch (attribute) {
- case 0:
- cmdb[5] = variable;
- issue_command (CMD_CMPD, cmdb, 8);
- break;
- case 1:
- cmdb[1] = variable;
- cmdb[4] = variable;
- issue_command (CMD_CMPD, cmdb, 8);
- break;
- case 2:
- cmdb[2] = variable >> 8;
- cmdb[3] = variable;
- issue_command (CMD_SEK, cmdb, 4);
- break;
- }
- wait_for_completion ();
- wait_for_command_end ();
-
- switch (result[1]) {
- case 0x00:
- case 0x50:
- mingeo[attribute] = variable + 1;
- break;
-
- case 0x20:
- outw (CMD_RCAL, MFM_COMMAND);
- return 0;
-
- case 0x24:
- need_recal = 1;
- default:
- maxgeo[attribute] = variable;
- break;
- }
- }
- }
- mfm_info[drive].cylinders = mingeo[2];
- mfm_info[drive].lowcurrent = mingeo[2];
- mfm_info[drive].precomp = mingeo[2] / 2;
- mfm_info[drive].heads = mingeo[1];
- mfm_info[drive].sectors = mingeo[0];
- outw (CMD_RCAL, MFM_COMMAND);
- return 1;
-}
-#endif
-
-/*
- * Initialise all drive information for this controller.
- */
-static int mfm_initdrives(void)
-{
- int drive;
-
- if (number_mfm_drives > MFM_MAXDRIVES) {
- number_mfm_drives = MFM_MAXDRIVES;
- printk("No. of ADFS MFM drives is greater than MFM_MAXDRIVES - you can't have that many!\n");
- }
-
- for (drive = 0; drive < number_mfm_drives; drive++) {
- mfm_info[drive].lowcurrent = 1;
- mfm_info[drive].precomp = 1;
- mfm_info[drive].cylinder = -1;
- mfm_info[drive].errors.recal = 0;
- mfm_info[drive].errors.report = 0;
- mfm_info[drive].errors.abort = 4;
-
-#ifdef CONFIG_BLK_DEV_MFM_AUTODETECT
- mfm_info[drive].cylinders = 1024;
- mfm_info[drive].heads = 8;
- mfm_info[drive].sectors = 64;
- {
- unsigned char cmdb[16];
-
- mfm_setupspecify (drive, cmdb);
- cmdb[1] &= ~0x81;
- issue_command (CMD_SPC, cmdb, 16);
- wait_for_completion ();
- if (!mfm_detectdrive (drive)) {
- mfm_info[drive].cylinders = 0;
- mfm_info[drive].heads = 0;
- mfm_info[drive].sectors = 0;
- }
- cmdb[0] = cmdb[1] = 0;
- issue_command (CMD_CKV, cmdb, 2);
- }
-#else
- mfm_info[drive].cylinders = 1; /* its going to have to figure it out from the partition info */
- mfm_info[drive].heads = 4;
- mfm_info[drive].sectors = 32;
-#endif
- }
- return number_mfm_drives;
-}
-
-
-
-/*
- * The 'front' end of the mfm driver follows...
- */
-
-static int mfm_ioctl(struct inode *inode, struct file *file, u_int cmd, u_long arg)
-{
- struct mfm_info *p = inode->i_bdev->bd_disk->private_data;
- struct hd_geometry *geo = (struct hd_geometry *) arg;
- if (cmd != HDIO_GETGEO)
- return -EINVAL;
- if (!arg)
- return -EINVAL;
- if (put_user (p->heads, &geo->heads))
- return -EFAULT;
- if (put_user (p->sectors, &geo->sectors))
- return -EFAULT;
- if (put_user (p->cylinders, &geo->cylinders))
- return -EFAULT;
- if (put_user (get_start_sect(inode->i_bdev), &geo->start))
- return -EFAULT;
- return 0;
-}
-
-/*
- * This is to handle various kernel command line parameters
- * specific to this driver.
- */
-void mfm_setup(char *str, int *ints)
-{
- return;
-}
-
-/*
- * Set the CHS from the ADFS boot block if it is present. This is not ideal
- * since if there are any non-ADFS partitions on the disk, this won't work!
- * Hence, I want to get rid of this...
- */
-void xd_set_geometry(struct block_device *bdev, unsigned char secsptrack,
- unsigned char heads, unsigned int secsize)
-{
- struct mfm_info *p = bdev->bd_disk->private_data;
- int drive = p - mfm_info;
- unsigned long disksize = bdev->bd_inode->i_size;
-
- if (p->cylinders == 1) {
- p->sectors = secsptrack;
- p->heads = heads;
- p->cylinders = discsize / (secsptrack * heads * secsize);
-
- if ((heads < 1) || (p->cylinders > 1024)) {
- printk("%s: Insane disc shape! Setting to 512/4/32\n",
- bdev->bd_disk->disk_name);
-
- /* These values are fairly arbitary, but are there so that if your
- * lucky you can pick apart your disc to find out what is going on -
- * I reckon these figures won't hurt MOST drives
- */
- p->sectors = 32;
- p->heads = 4;
- p->cylinders = 512;
- }
- if (raw_cmd.dev == drive)
- mfm_specify ();
- mfm_geometry (drive);
- }
-}
-
-static struct block_device_operations mfm_fops =
-{
- .owner = THIS_MODULE,
- .ioctl = mfm_ioctl,
-};
-
-/*
- * See if there is a controller at the address presently at mfm_addr
- *
- * We check to see if the controller is busy - if it is, we abort it first,
- * and check that the chip is no longer busy after at least 180 clock cycles.
- * We then issue a command and check that the BSY or CPR bits are set.
- */
-static int mfm_probecontroller (unsigned int mfm_addr)
-{
- if (inw (MFM_STATUS) & STAT_BSY) {
- outw (CMD_ABT, MFM_COMMAND);
- udelay (50);
- if (inw (MFM_STATUS) & STAT_BSY)
- return 0;
- }
-
- if (inw (MFM_STATUS) & STAT_CED)
- outw (CMD_RCAL, MFM_COMMAND);
-
- outw (CMD_SEK, MFM_COMMAND);
-
- if (inw (MFM_STATUS) & (STAT_BSY | STAT_CPR)) {
- unsigned int count = 2000;
- while (inw (MFM_STATUS) & STAT_BSY) {
- udelay (500);
- if (!--count)
- return 0;
- }
-
- outw (CMD_RCAL, MFM_COMMAND);
- }
- return 1;
-}
-
-static int mfm_do_init(unsigned char irqmask)
-{
- int i, ret;
-
- printk("mfm: found at address %08X, interrupt %d\n", mfm_addr, mfm_irq);
-
- ret = -EBUSY;
- if (!request_region (mfm_addr, 10, "mfm"))
- goto out1;
-
- ret = register_blkdev(MAJOR_NR, "mfm");
- if (ret)
- goto out2;
-
- /* Stuff for the assembler routines to get to */
- hdc63463_baseaddress = ioaddr(mfm_addr);
- hdc63463_irqpolladdress = mfm_IRQPollLoc;
- hdc63463_irqpollmask = irqmask;
-
- mfm_queue = blk_init_queue(do_mfm_request, &mfm_lock);
- if (!mfm_queue)
- goto out2a;
-
- Busy = 0;
- lastspecifieddrive = -1;
-
- mfm_drives = mfm_initdrives();
- if (!mfm_drives) {
- ret = -ENODEV;
- goto out3;
- }
-
- for (i = 0; i < mfm_drives; i++) {
- struct gendisk *disk = alloc_disk(64);
- if (!disk)
- goto Enomem;
- disk->major = MAJOR_NR;
- disk->first_minor = i << 6;
- disk->fops = &mfm_fops;
- sprintf(disk->disk_name, "mfm%c", 'a'+i);
- mfm_gendisk[i] = disk;
- }
-
- printk("mfm: detected %d hard drive%s\n", mfm_drives,
- mfm_drives == 1 ? "" : "s");
- ret = request_irq(mfm_irq, mfm_interrupt_handler, SA_INTERRUPT, "MFM harddisk", NULL);
- if (ret) {
- printk("mfm: unable to get IRQ%d\n", mfm_irq);
- goto out4;
- }
-
- if (mfm_irqenable)
- outw(0x80, mfm_irqenable); /* Required to enable IRQs from MFM podule */
-
- for (i = 0; i < mfm_drives; i++) {
- mfm_geometry(i);
- mfm_gendisk[i]->queue = mfm_queue;
- add_disk(mfm_gendisk[i]);
- }
- return 0;
-
-out4:
- for (i = 0; i < mfm_drives; i++)
- put_disk(mfm_gendisk[i]);
-out3:
- blk_cleanup_queue(mfm_queue);
-out2a:
- unregister_blkdev(MAJOR_NR, "mfm");
-out2:
- release_region(mfm_addr, 10);
-out1:
- return ret;
-Enomem:
- while (i--)
- put_disk(mfm_gendisk[i]);
- goto out3;
-}
-
-static void mfm_do_exit(void)
-{
- int i;
-
- free_irq(mfm_irq, NULL);
- for (i = 0; i < mfm_drives; i++) {
- del_gendisk(mfm_gendisk[i]);
- put_disk(mfm_gendisk[i]);
- }
- blk_cleanup_queue(mfm_queue);
- unregister_blkdev(MAJOR_NR, "mfm");
- if (mfm_addr)
- release_region(mfm_addr, 10);
-}
-
-static int __devinit mfm_probe(struct expansion_card *ec, struct ecard_id *id)
-{
- if (mfm_addr)
- return -EBUSY;
-
- mfm_addr = ecard_address(ec, ECARD_IOC, ECARD_MEDIUM) + 0x800;
- mfm_IRQPollLoc = ioaddr(mfm_addr + 0x400);
- mfm_irqenable = mfm_IRQPollLoc;
- mfm_irq = ec->irq;
-
- return mfm_do_init(0x08);
-}
-
-static void __devexit mfm_remove(struct expansion_card *ec)
-{
- outw (0, mfm_irqenable); /* Required to enable IRQs from MFM podule */
- mfm_do_exit();
-}
-
-static const struct ecard_id mfm_cids[] = {
- { MANU_ACORN, PROD_ACORN_MFM },
- { 0xffff, 0xffff },
-};
-
-static struct ecard_driver mfm_driver = {
- .probe = mfm_probe,
- .remove = __devexit(mfm_remove),
- .id_table = mfm_cids,
- .drv = {
- .name = "mfm",
- },
-};
-
-/*
- * Look for a MFM controller - first check the motherboard, then the podules
- * The podules have an extra interrupt enable that needs to be played with
- *
- * The HDC is accessed at MEDIUM IOC speeds.
- */
-static int __init mfm_init (void)
-{
- unsigned char irqmask;
-
- if (mfm_probecontroller(ONBOARD_MFM_ADDRESS)) {
- mfm_addr = ONBOARD_MFM_ADDRESS;
- mfm_IRQPollLoc = IOC_IRQSTATB;
- mfm_irqenable = 0;
- mfm_irq = IRQ_HARDDISK;
- return mfm_do_init(0x08); /* IL3 pin */
- } else {
- return ecard_register_driver(&mfm_driver);
- }
-}
-
-static void __exit mfm_exit(void)
-{
- if (mfm_addr == ONBOARD_MFM_ADDRESS)
- mfm_do_exit();
- else
- ecard_unregister_driver(&mfm_driver);
-}
-
-module_init(mfm_init)
-module_exit(mfm_exit)
-MODULE_LICENSE("GPL");
diff --git a/drivers/acorn/char/Makefile b/drivers/acorn/char/Makefile
deleted file mode 100644
index 2fa9a8bf48a..00000000000
--- a/drivers/acorn/char/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the acorn character device drivers.
-#
-
-obj-$(CONFIG_ARCH_ACORN) += i2c.o pcf8583.o
-obj-$(CONFIG_L7200_KEYB) += defkeymap-l7200.o keyb_l7200.o
diff --git a/drivers/acorn/char/defkeymap-l7200.c b/drivers/acorn/char/defkeymap-l7200.c
deleted file mode 100644
index 9e18ce742e3..00000000000
--- a/drivers/acorn/char/defkeymap-l7200.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * linux/drivers/acorn/char/defkeymap-l7200.c
- *
- * Default keyboard maps for LinkUp Systems L7200 board
- *
- * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
- *
- * Changelog:
- * 08-04-2000 SJH Created file
- */
-
-#include <linux/types.h>
-#include <linux/keyboard.h>
-#include <linux/kd.h>
-
-/* Normal (maps 1:1 with no processing) */
-#define KTn 0xF0
-/* Function keys */
-#define KTf 0xF1
-/* Special (Performs special house-keeping funcs) */
-#define KTs 0xF2
-#define KIGNORE K(KTs, 0) /* Ignore */
-#define KENTER K(KTs, 1) /* Enter */
-#define KREGS K(KTs, 2) /* Regs */
-#define KMEM K(KTs, 3) /* Mem */
-#define KSTAT K(KTs, 4) /* State */
-#define KINTR K(KTs, 5) /* Intr */
-#define Ksl 6 /* Last console */
-#define KCAPSLK K(KTs, 7) /* Caps lock */
-#define KNUMLK K(KTs, 8) /* Num-lock */
-#define KSCRLLK K(KTs, 9) /* Scroll-lock */
-#define KSCRLFOR K(KTs,10) /* Scroll forward */
-#define KSCRLBAK K(KTs,11) /* Scroll back */
-#define KREBOOT K(KTs,12) /* Reboot */
-#define KCAPSON K(KTs,13) /* Caps on */
-#define KCOMPOSE K(KTs,14) /* Compose */
-#define KSAK K(KTs,15) /* SAK */
-#define CONS_DEC K(KTs,16) /* Dec console */
-#define CONS_INC K(KTs,17) /* Incr console */
-#define KFLOPPY K(KTs,18) /* Floppy */
-/* Key pad (0-9 = digits, 10=+, 11=-, 12=*, 13=/, 14=enter, 16=., 17=# */
-#define KTp 0xF3
-#define KPAD_0 K(KTp, 0 )
-#define KPAD_1 K(KTp, 1 )
-#define KPAD_2 K(KTp, 2 )
-#define KPAD_3 K(KTp, 3 )
-#define KPAD_4 K(KTp, 4 )
-#define KPAD_5 K(KTp, 5 )
-#define KPAD_6 K(KTp, 6 )
-#define KPAD_7 K(KTp, 7 )
-#define KPAD_8 K(KTp, 8 )
-#define KPAD_9 K(KTp, 9 )
-#define KPAD_PL K(KTp,10 )
-#define KPAD_MI K(KTp,11 )
-#define KPAD_ML K(KTp,12 )
-#define KPAD_DV K(KTp,13 )
-#define KPAD_EN K(KTp,14 )
-#define KPAD_DT K(KTp,16 )
-#define KPAD_HS K(KTp,20 )
-/* Console switching */
-#define KCn 0xF5
-/* Cursor */
-#define KTc 0xF6
-#define Kcd 0 /* Cursor down */
-#define Kcl 1 /* Cursor left */
-#define Kcr 2 /* Cursor right */
-#define Kcu 3 /* Cursor up */
-/* Shift/alt modifiers etc */
-#define KMd 0xF7
-#define KSHIFT K(KMd, 0 )
-#define KALTGR K(KMd, 1 )
-#define KCTRL K(KMd, 2 )
-#define KALT K(KMd, 3 )
-/* Meta */
-#define KMt 0xF8
-#define KAs 0xF9
-#define KPADA_0 K(KAs, 0 )
-#define KPADA_1 K(KAs, 1 )
-#define KPADA_2 K(KAs, 2 )
-#define KPADA_3 K(KAs, 3 )
-#define KPADA_4 K(KAs, 4 )
-#define KPADA_5 K(KAs, 5 )
-#define KPADA_6 K(KAs, 6 )
-#define KPADA_7 K(KAs, 7 )
-#define KPADA_8 K(KAs, 8 )
-#define KPADA_9 K(KAs, 9 )
-#define KPADB_0 K(KAs,10 )
-#define KPADB_1 K(KAs,11 )
-#define KPADB_2 K(KAs,12 )
-#define KPADB_3 K(KAs,13 )
-#define KPADB_4 K(KAs,14 )
-#define KPADB_5 K(KAs,15 )
-#define KPADB_6 K(KAs,16 )
-#define KPADB_7 K(KAs,17 )
-#define KPADB_8 K(KAs,18 )
-#define KPADB_9 K(KAs,19 )
-/* Locking keys */
-#define KLk 0xFA
-/* Letters */
-#define KTl 0xFB
-
-/*
- * Here is the layout of the keys for the Fujitsu QWERTY
- * style keyboard:
- *
- * static char Fujitsu_Key_Table[] =
- * {
- * KALT, '`' , KNUL, KCTL, KFUN, KESC, '1' , '2' ,
- * '9' , '0' , '-' , '=' , KNUL, KBSP, KNUL, KNUL,
- * KNUL, KBSL, KSHF, KNUL, KNUL, KDEL, KNUL, 't' ,
- * 'y' , 'u' , 'i' , KRET, KSHF, KPGD, KNUL, KNUL,
- * KNUL, KTAB, KNUL, KNUL, KNUL, 'q' , 'w' , 'e' ,
- * 'r' , 'o' , 'p' , '[' , KNUL, ']' , KNUL, KNUL,
- * KNUL, 'z' , KNUL, KNUL, KNUL, KSHL, KNUL, KNUL,
- * 'k' , 'l' , ';' , KSQT, KNUL, KPGU, KNUL, KNUL,
- * KNUL, 'a' , KNUL, KNUL, KNUL, 's' , 'd' , 'f' ,
- * 'g' , 'h' , 'j' , '/' , KNUL, KHME, KNUL, KNUL,
- * KNUL, 'x' , KNUL, KNUL, KNUL, 'c' , 'v' , 'b' ,
- * 'n' , 'm' , ',' , '.' , KNUL, ' ' , KNUL, KNUL,
- * KNUL, KNUL, KNUL, KNUL, KNUL, '3' , '4' , '5' ,
- * '6' , '7' , '8' , KNUL, KPRG, KNUL, KEND, KNUL,
- * };
- */
-
-u_short plain_map[NR_KEYS]=
-{
- 0xf703, 0xf060, 0xf200, 0xf702, 0xf200, 0xf01b, 0xf031, 0xf032,
- 0xf039, 0xf030, 0xf02d, 0xf03d, 0xf200, 0xf07f, 0xf200, 0xf200,
- 0xf200, 0xf05c, 0xf700, 0xf200, 0xf200, 0xf116, 0xf000, 0xfb74,
- 0xfb79, 0xfb75, 0xfb69, 0xf201, 0xf700, 0xf600, 0xf200, 0xf200,
- 0xf200, 0xf009, 0xf200, 0xf200, 0xf200, 0xfb71, 0xfb77, 0xfb65,
- 0xfb72, 0xfb6f, 0xfb70, 0xf05b, 0xf200, 0xf05d, 0xf200, 0xf200,
- 0xf200, 0xfb7a, 0xf200, 0xf200, 0xf200, 0xf207, 0xf200, 0xf200,
- 0xfb6b, 0xfb6c, 0xf03b, 0xf027, 0xf200, 0xf603, 0xf200, 0xf200,
- 0xf200, 0xfb61, 0xf200, 0xf200, 0xf200, 0xfb73, 0xfb64, 0xfb66,
- 0xfb67, 0xfb68, 0xfb6a, 0xf02f, 0xf200, 0xf601, 0xf200, 0xf200,
- 0xf200, 0xfb78, 0xf200, 0xf200, 0xf200, 0xfb63, 0xfb76, 0xfb62,
- 0xfb6e, 0xfb6d, 0xf02c, 0xf02e, 0xf200, 0xf020, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf033, 0xf034, 0xf035,
- 0xf036, 0xf037, 0xf038, 0xf200, 0xf200, 0xf200, 0xf602, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
-};
-
-u_short shift_map[NR_KEYS]=
-{
- 0xf703, 0xf07e, 0xf200, 0xf702, 0xf200, 0xf01b, 0xf021, 0xf040,
- 0xf028, 0xf029, 0xf05f, 0xf02b, 0xf200, 0xf07f, 0xf200, 0xf200,
- 0xf200, 0xf07c, 0xf700, 0xf200, 0xf200, 0xf116, 0xf000, 0xfb54,
- 0xfb59, 0xfb55, 0xfb49, 0xf201, 0xf700, 0xf600, 0xf200, 0xf200,
- 0xf200, 0xf009, 0xf200, 0xf200, 0xf200, 0xfb51, 0xfb57, 0xfb45,
- 0xfb52, 0xfb4f, 0xfb50, 0xf07b, 0xf200, 0xf07d, 0xf200, 0xf200,
- 0xf200, 0xfb5a, 0xf200, 0xf200, 0xf200, 0xf207, 0xf200, 0xf200,
- 0xfb4b, 0xfb4c, 0xf03a, 0xf022, 0xf200, 0xf603, 0xf200, 0xf200,
- 0xf200, 0xfb41, 0xf200, 0xf200, 0xf200, 0xfb53, 0xfb44, 0xfb46,
- 0xfb47, 0xfb48, 0xfb4a, 0xf03f, 0xf200, 0xf601, 0xf200, 0xf200,
- 0xf200, 0xfb58, 0xf200, 0xf200, 0xf200, 0xfb43, 0xfb56, 0xfb42,
- 0xfb4e, 0xfb4d, 0xf03c, 0xf03e, 0xf200, 0xf020, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf023, 0xf024, 0xf025,
- 0xf05e, 0xf026, 0xf02a, 0xf200, 0xf200, 0xf200, 0xf602, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
-};
-
-u_short altgr_map[NR_KEYS]=
-{
- KIGNORE ,K(KCn,12 ),K(KCn,13 ),K(KCn,14 ),K(KCn,15 ),K(KCn,16 ),K(KCn,17 ),K(KCn, 18),
- K(KCn, 19),K(KCn,20 ),K(KCn,21 ),K(KCn,22 ),K(KCn,23 ),KIGNORE ,KREGS ,KINTR ,
- KIGNORE ,KIGNORE ,K(KTn,'@'),KIGNORE ,K(KTn,'$'),KIGNORE ,KIGNORE ,K(KTn,'{'),
- K(KTn,'['),K(KTn,']'),K(KTn,'}'),K(KTn,'\\'),KIGNORE ,KIGNORE ,KIGNORE ,K(KTf,21 ),
- K(KTf,20 ),K(KTf,24 ),KNUMLK ,KPAD_DV ,KPAD_ML ,KPAD_HS ,KIGNORE ,K(KTl,'q'),
- K(KTl,'w'),K(KTl,'e'),K(KTl,'r'),K(KTl,'t' ),K(KTl,'y'),K(KTl,'u'),K(KTl,'i' ),K(KTl,'o'),
- K(KTl,'p'),KIGNORE ,K(KTn,'~'),KIGNORE ,K(KTf,22 ),K(KTf,23 ),K(KTf,25 ),KPADB_7 ,
- KPADB_8 ,KPADB_9 ,KPAD_MI ,KCTRL ,K(KAs,20 ),K(KTl,'s'),K(KAs,23 ),K(KAs,25 ),
- K(KTl,'g'),K(KTl,'h'),K(KTl,'j'),K(KTl,'k' ),K(KTl,'l'),KIGNORE ,KIGNORE ,KENTER ,
- KPADB_4 ,KPADB_5 ,KPADB_6 ,KPAD_PL ,KSHIFT ,KIGNORE ,K(KTl,'z' ),K(KTl,'x'),
- K(KAs,22 ),K(KTl,'v'),K(KTl,21 ),K(KTl,'n' ),K(KTl,'m'),KIGNORE ,KIGNORE ,KIGNORE ,
- KSHIFT ,K(KTc,Kcu),KPADB_1 ,KPADB_2 ,KPADB_3 ,KCAPSLK ,KALT ,KIGNORE ,
- KALTGR ,KCTRL ,K(KTc,Kcl),K(KTc,Kcd ),K(KTc,Kcr),KPADB_0 ,KPAD_DT ,KPAD_EN ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
-};
-
-u_short ctrl_map[NR_KEYS]=
-{
- 0xf703, 0xf200, 0xf200, 0xf702, 0xf200, 0xf200, 0xf001, 0xf002,
- 0xf009, 0xf000, 0xf031, 0xf200, 0xf200, 0xf07f, 0xf200, 0xf200,
- 0xf200, 0xf01c, 0xf700, 0xf200, 0xf200, 0xf116, 0xf000, 0xf020,
- 0xf019, 0xf015, 0xf009, 0xf201, 0xf700, 0xf600, 0xf200, 0xf200,
- 0xf200, 0xf009, 0xf200, 0xf200, 0xf200, 0xf011, 0xf017, 0xf005,
- 0xf012, 0xf00f, 0xf010, 0xf01b, 0xf200, 0xf01d, 0xf200, 0xf200,
- 0xf200, 0xf01a, 0xf200, 0xf200, 0xf200, 0xf207, 0xf200, 0xf200,
- 0xf00b, 0xf00c, 0xf200, 0xf007, 0xf200, 0xf603, 0xf200, 0xf200,
- 0xf200, 0xf001, 0xf200, 0xf200, 0xf200, 0xf001, 0xf013, 0xf006,
- 0xf007, 0xf008, 0xf00a, 0xf07f, 0xf200, 0xf601, 0xf200, 0xf200,
- 0xf200, 0xf018, 0xf200, 0xf200, 0xf200, 0xf003, 0xf016, 0xf002,
- 0xf00e, 0xf00d, 0xf200, 0xf200, 0xf200, 0xf000, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b, 0xf01c, 0xf01d,
- 0xf036, 0xf037, 0xf038, 0xf200, 0xf200, 0xf200, 0xf602, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
- 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf602, 0xf200,
-};
-
-u_short shift_ctrl_map[NR_KEYS]=
-{
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KFLOPPY ,KINTR ,
- KIGNORE ,KIGNORE ,K(KTn, 0 ),KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,K(KTn,31 ),KIGNORE ,KIGNORE ,KIGNORE ,K(KTf,21 ),
- K(KTf,20 ),K(KTf,24 ),KNUMLK ,KPAD_DV ,KPAD_ML ,KPAD_HS ,KIGNORE ,K(KTn,17 ),
- K(KTn,23 ),K(KTn, 5 ),K(KTn,18 ),K(KTn,20 ),K(KTn,25 ),K(KTn,21 ),K(KTn, 9 ),K(KTn,15 ),
- K(KTn,16 ),KIGNORE ,KIGNORE ,KIGNORE ,K(KTf,22 ),K(KTf,23 ),K(KTf,25 ),KPAD_7 ,
- KPAD_8 ,KPAD_9 ,KPAD_MI ,KCTRL ,K(KTn, 1 ),K(KTn,19 ),K(KTn, 4 ),K(KTn, 6 ),
- K(KTn, 7 ),K(KTn, 8 ),K(KTn,10 ),K(KTn,11 ),K(KTn,12 ),KIGNORE ,K(KTn, 7 ),KENTER ,
- KPAD_4 ,KPAD_5 ,KPAD_6 ,KPAD_PL ,KSHIFT ,KIGNORE ,K(KTn,26 ),K(KTn,24 ),
- K(KTn, 3 ),K(KTn,22 ),K(KTn, 2 ),K(KTn,14 ),K(KTn,13 ),KIGNORE ,KIGNORE ,KIGNORE ,
- KSHIFT ,K(KTc,Kcu),KPAD_1 ,KPAD_2 ,KPAD_3 ,KCAPSLK ,KALT ,K(KTn, 0 ),
- KALTGR ,KCTRL ,K(KTc,Kcl),K(KTc,Kcd ),K(KTc,Kcr),KPAD_0 ,KPAD_DT ,KPAD_EN ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
-};
-
-u_short alt_map[NR_KEYS]=
-{
- K(KMt,27 ),K(KCn, 0 ),K(KCn, 1 ),K(KCn, 2 ),K(KCn, 3 ),K(KCn, 4 ),K(KCn, 5 ),K(KCn, 6 ),
- K(KCn, 7 ),K(KCn, 8 ),K(KCn, 9 ),K(KCn,10 ),K(KCn,11 ),KIGNORE ,KSCRLLK ,KINTR ,
- K(KMt,'`'),K(KMt,'1'),K(KMt,'2'),K(KMt,'3' ),K(KMt,'4'),K(KMt,'5'),K(KMt,'6' ),K(KMt,'7'),
- K(KMt,'8'),K(KMt,'9'),K(KMt,'0'),K(KMt,'-' ),K(KMt,'='),K(KMt,'£'),K(KMt,127 ),K(KTf,21 ),
- K(KTf,20 ),K(KTf,24 ),KNUMLK ,KPAD_DV ,KPAD_ML ,KPAD_HS ,K(KMt, 9 ),K(KMt,'q'),
- K(KMt,'w'),K(KMt,'e'),K(KMt,'r'),K(KMt,'t' ),K(KMt,'y'),K(KMt,'u'),K(KMt,'i' ),K(KMt,'o'),
- K(KMt,'p'),K(KMt,'['),K(KMt,']'),K(KMt,'\\'),K(KTf,22 ),K(KTf,23 ),K(KTf,25 ),KPADA_7 ,
- KPADA_8 ,KPADA_9 ,KPAD_MI ,KCTRL ,K(KMt,'a'),K(KMt,'s'),K(KMt,'d' ),K(KMt,'f'),
- K(KMt,'g'),K(KMt,'h'),K(KMt,'j'),K(KMt,'k' ),K(KMt,'l'),K(KMt,';'),K(KMt,'\''),K(KMt,13 ),
- KPADA_4 ,KPADA_5 ,KPADA_6 ,KPAD_PL ,KSHIFT ,KIGNORE ,K(KMt,'z' ),K(KMt,'x'),
- K(KMt,'c'),K(KMt,'v'),K(KMt,'b'),K(KMt,'n' ),K(KMt,'m'),K(KMt,','),K(KMt,'.' ),KIGNORE ,
- KSHIFT ,K(KTc,Kcu),KPADA_1 ,KPADA_2 ,KPADA_3 ,KCAPSLK ,KALT ,K(KMt,' '),
- KALTGR ,KCTRL ,CONS_DEC ,K(KTc,Kcd ),CONS_INC ,KPADA_0 ,KPAD_DT ,KPAD_EN ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
-};
-
-u_short ctrl_alt_map[NR_KEYS]=
-{
- KIGNORE ,K(KCn, 0 ),K(KCn, 1 ),K(KCn, 2 ),K(KCn, 3 ),K(KCn, 4 ),K(KCn, 5 ),K(KCn, 6 ),
- K(KCn, 7 ),K(KCn, 8 ),K(KCn, 9 ),K(KCn,10 ),K(KCn,11 ),KIGNORE ,KIGNORE ,KINTR ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,K(KTf,21 ),
- K(KTf,20 ),K(KTf,24 ),KNUMLK ,KPAD_DV ,KPAD_ML ,KPAD_HS ,KIGNORE ,K(KMt,17 ),
- K(KMt,23 ),K(KMt, 5 ),K(KMt,18 ),K(KMt,20 ),K(KMt,25 ),K(KMt,21 ),K(KMt, 9 ),K(KMt,15 ),
- K(KMt,16 ),KIGNORE ,KIGNORE ,KIGNORE ,KREBOOT ,K(KTf,23 ),K(KTf,25 ),KPAD_7 ,
- KPAD_8 ,KPAD_9 ,KPAD_MI ,KCTRL ,K(KMt, 1 ),K(KMt,19 ),K(KMt, 4 ),K(KMt, 6 ),
- K(KMt, 7 ),K(KMt, 8 ),K(KMt,10 ),K(KMt,11 ),K(KMt,12 ),KIGNORE ,KIGNORE ,KENTER ,
- KPAD_4 ,KPAD_5 ,KPAD_6 ,KPAD_PL ,KSHIFT ,KIGNORE ,K(KMt,26 ),K(KMt,24 ),
- K(KMt, 3 ),K(KMt,22 ),K(KMt, 2 ),K(KMt,14 ),K(KMt,13 ),KIGNORE ,KIGNORE ,KIGNORE ,
- KSHIFT ,K(KTc,Kcu),KPAD_1 ,KPAD_2 ,KPAD_3 ,KCAPSLK ,KALT ,KIGNORE ,
- KALTGR ,KCTRL ,K(KTc,Kcl),K(KTc,Kcd ),K(KTc,Kcr),KPAD_0 ,KREBOOT ,KPAD_EN ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
- KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,KIGNORE ,
-};
-
-ushort *key_maps[MAX_NR_KEYMAPS] = {
- plain_map, shift_map, altgr_map, 0,
- ctrl_map, shift_ctrl_map, 0, 0,
- alt_map, 0, 0, 0,
- ctrl_alt_map, 0
-};
-
-unsigned int keymap_count = 7;
-
-/*
- * Philosophy: most people do not define more strings, but they who do
- * often want quite a lot of string space. So, we statically allocate
- * the default and allocate dynamically in chunks of 512 bytes.
- */
-
-char func_buf[] = {
- '\033', '[', '[', 'A', 0,
- '\033', '[', '[', 'B', 0,
- '\033', '[', '[', 'C', 0,
- '\033', '[', '[', 'D', 0,
- '\033', '[', '[', 'E', 0,
- '\033', '[', '1', '7', '~', 0,
- '\033', '[', '1', '8', '~', 0,
- '\033', '[', '1', '9', '~', 0,
- '\033', '[', '2', '0', '~', 0,
- '\033', '[', '2', '1', '~', 0,
- '\033', '[', '2', '3', '~', 0,
- '\033', '[', '2', '4', '~', 0,
- '\033', '[', '2', '5', '~', 0,
- '\033', '[', '2', '6', '~', 0,
- '\033', '[', '2', '8', '~', 0,
- '\033', '[', '2', '9', '~', 0,
- '\033', '[', '3', '1', '~', 0,
- '\033', '[', '3', '2', '~', 0,
- '\033', '[', '3', '3', '~', 0,
- '\033', '[', '3', '4', '~', 0,
- '\033', '[', '1', '~', 0,
- '\033', '[', '2', '~', 0,
- '\033', '[', '3', '~', 0,
- '\033', '[', '4', '~', 0,
- '\033', '[', '5', '~', 0,
- '\033', '[', '6', '~', 0,
- '\033', '[', 'M', 0,
- '\033', '[', 'P', 0,
-};
-
-char *funcbufptr = func_buf;
-int funcbufsize = sizeof(func_buf);
-int funcbufleft = 0; /* space left */
-
-char *func_table[MAX_NR_FUNC] = {
- func_buf + 0,
- func_buf + 5,
- func_buf + 10,
- func_buf + 15,
- func_buf + 20,
- func_buf + 25,
- func_buf + 31,
- func_buf + 37,
- func_buf + 43,
- func_buf + 49,
- func_buf + 55,
- func_buf + 61,
- func_buf + 67,
- func_buf + 73,
- func_buf + 79,
- func_buf + 85,
- func_buf + 91,
- func_buf + 97,
- func_buf + 103,
- func_buf + 109,
- func_buf + 115,
- func_buf + 120,
- func_buf + 125,
- func_buf + 130,
- func_buf + 135,
- func_buf + 140,
- func_buf + 145,
- 0,
- 0,
- func_buf + 149,
- 0,
-};
-
-struct kbdiacr accent_table[MAX_DIACR] = {
- {'`', 'A', '\300'}, {'`', 'a', '\340'},
- {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
- {'^', 'A', '\302'}, {'^', 'a', '\342'},
- {'~', 'A', '\303'}, {'~', 'a', '\343'},
- {'"', 'A', '\304'}, {'"', 'a', '\344'},
- {'O', 'A', '\305'}, {'o', 'a', '\345'},
- {'0', 'A', '\305'}, {'0', 'a', '\345'},
- {'A', 'A', '\305'}, {'a', 'a', '\345'},
- {'A', 'E', '\306'}, {'a', 'e', '\346'},
- {',', 'C', '\307'}, {',', 'c', '\347'},
- {'`', 'E', '\310'}, {'`', 'e', '\350'},
- {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
- {'^', 'E', '\312'}, {'^', 'e', '\352'},
- {'"', 'E', '\313'}, {'"', 'e', '\353'},
- {'`', 'I', '\314'}, {'`', 'i', '\354'},
- {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
- {'^', 'I', '\316'}, {'^', 'i', '\356'},
- {'"', 'I', '\317'}, {'"', 'i', '\357'},
- {'-', 'D', '\320'}, {'-', 'd', '\360'},
- {'~', 'N', '\321'}, {'~', 'n', '\361'},
- {'`', 'O', '\322'}, {'`', 'o', '\362'},
- {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
- {'^', 'O', '\324'}, {'^', 'o', '\364'},
- {'~', 'O', '\325'}, {'~', 'o', '\365'},
- {'"', 'O', '\326'}, {'"', 'o', '\366'},
- {'/', 'O', '\330'}, {'/', 'o', '\370'},
- {'`', 'U', '\331'}, {'`', 'u', '\371'},
- {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
- {'^', 'U', '\333'}, {'^', 'u', '\373'},
- {'"', 'U', '\334'}, {'"', 'u', '\374'},
- {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
- {'T', 'H', '\336'}, {'t', 'h', '\376'},
- {'s', 's', '\337'}, {'"', 'y', '\377'},
- {'s', 'z', '\337'}, {'i', 'j', '\377'},
-};
-
-unsigned int accent_table_size = 68;
diff --git a/drivers/acorn/char/i2c.c b/drivers/acorn/char/i2c.c
deleted file mode 100644
index c22bb9dca1e..00000000000
--- a/drivers/acorn/char/i2c.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/*
- * linux/drivers/acorn/char/i2c.c
- *
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * ARM IOC/IOMD i2c driver.
- *
- * On Acorn machines, the following i2c devices are on the bus:
- * - PCF8583 real time clock & static RAM
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-#include <linux/miscdevice.h>
-#include <linux/rtc.h>
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/fs.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/hardware/ioc.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
-#include "pcf8583.h"
-
-extern int (*set_rtc)(void);
-
-static struct i2c_client *rtc_client;
-static const unsigned char days_in_mon[] =
- { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
-
-#define CMOS_CHECKSUM (63)
-
-/*
- * Acorn machines store the year in the static RAM at
- * location 128.
- */
-#define CMOS_YEAR (64 + 128)
-
-static inline int rtc_command(int cmd, void *data)
-{
- int ret = -EIO;
-
- if (rtc_client)
- ret = rtc_client->driver->command(rtc_client, cmd, data);
-
- return ret;
-}
-
-/*
- * Update the century + year bytes in the CMOS RAM, ensuring
- * that the check byte is correctly adjusted for the change.
- */
-static int rtc_update_year(unsigned int new_year)
-{
- unsigned char yr[2], chk;
- struct mem cmos_year = { CMOS_YEAR, sizeof(yr), yr };
- struct mem cmos_check = { CMOS_CHECKSUM, 1, &chk };
- int ret;
-
- ret = rtc_command(MEM_READ, &cmos_check);
- if (ret)
- goto out;
- ret = rtc_command(MEM_READ, &cmos_year);
- if (ret)
- goto out;
-
- chk -= yr[1] + yr[0];
-
- yr[1] = new_year / 100;
- yr[0] = new_year % 100;
-
- chk += yr[1] + yr[0];
-
- ret = rtc_command(MEM_WRITE, &cmos_year);
- if (ret == 0)
- ret = rtc_command(MEM_WRITE, &cmos_check);
- out:
- return ret;
-}
-
-/*
- * Read the current RTC time and date, and update xtime.
- */
-static void get_rtc_time(struct rtc_tm *rtctm, unsigned int *year)
-{
- unsigned char ctrl, yr[2];
- struct mem rtcmem = { CMOS_YEAR, sizeof(yr), yr };
- int real_year, year_offset;
-
- /*
- * Ensure that the RTC is running.
- */
- rtc_command(RTC_GETCTRL, &ctrl);
- if (ctrl & 0xc0) {
- unsigned char new_ctrl = ctrl & ~0xc0;
-
- printk(KERN_WARNING "RTC: resetting control %02x -> %02x\n",
- ctrl, new_ctrl);
-
- rtc_command(RTC_SETCTRL, &new_ctrl);
- }
-
- if (rtc_command(RTC_GETDATETIME, rtctm) ||
- rtc_command(MEM_READ, &rtcmem))
- return;
-
- real_year = yr[0];
-
- /*
- * The RTC year holds the LSB two bits of the current
- * year, which should reflect the LSB two bits of the
- * CMOS copy of the year. Any difference indicates
- * that we have to correct the CMOS version.
- */
- year_offset = rtctm->year_off - (real_year & 3);
- if (year_offset < 0)
- /*
- * RTC year wrapped. Adjust it appropriately.
- */
- year_offset += 4;
-
- *year = real_year + year_offset + yr[1] * 100;
-}
-
-static int set_rtc_time(struct rtc_tm *rtctm, unsigned int year)
-{
- unsigned char leap;
- int ret;
-
- leap = (!(year % 4) && (year % 100)) || !(year % 400);
-
- if (rtctm->mon > 12 || rtctm->mon == 0 || rtctm->mday == 0)
- return -EINVAL;
-
- if (rtctm->mday > (days_in_mon[rtctm->mon] + (rtctm->mon == 2 && leap)))
- return -EINVAL;
-
- if (rtctm->hours >= 24 || rtctm->mins >= 60 || rtctm->secs >= 60)
- return -EINVAL;
-
- /*
- * The RTC's own 2-bit year must reflect the least
- * significant two bits of the CMOS year.
- */
- rtctm->year_off = (year % 100) & 3;
-
- ret = rtc_command(RTC_SETDATETIME, rtctm);
- if (ret == 0)
- ret = rtc_update_year(year);
-
- return ret;
-}
-
-/*
- * Set the RTC time only. Note that
- * we do not touch the date.
- */
-static int k_set_rtc_time(void)
-{
- struct rtc_tm new_rtctm, old_rtctm;
- unsigned long nowtime = xtime.tv_sec;
-
- if (rtc_command(RTC_GETDATETIME, &old_rtctm))
- return 0;
-
- new_rtctm.cs = xtime.tv_nsec / 10000000;
- new_rtctm.secs = nowtime % 60; nowtime /= 60;
- new_rtctm.mins = nowtime % 60; nowtime /= 60;
- new_rtctm.hours = nowtime % 24;
-
- /*
- * avoid writing when we're going to change the day
- * of the month. We will retry in the next minute.
- * This basically means that if the RTC must not drift
- * by more than 1 minute in 11 minutes.
- *
- * [ rtc: 1/1/2000 23:58:00, real 2/1/2000 00:01:00,
- * rtc gets set to 1/1/2000 00:01:00 ]
- */
- if ((old_rtctm.hours == 23 && old_rtctm.mins == 59) ||
- (new_rtctm.hours == 23 && new_rtctm.mins == 59))
- return 1;
-
- return rtc_command(RTC_SETTIME, &new_rtctm);
-}
-
-static int rtc_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- unsigned int year;
- struct rtc_time rtctm;
- struct rtc_tm rtc_raw;
-
- switch (cmd) {
- case RTC_ALM_READ:
- case RTC_ALM_SET:
- break;
-
- case RTC_RD_TIME:
- memset(&rtctm, 0, sizeof(struct rtc_time));
- get_rtc_time(&rtc_raw, &year);
- rtctm.tm_sec = rtc_raw.secs;
- rtctm.tm_min = rtc_raw.mins;
- rtctm.tm_hour = rtc_raw.hours;
- rtctm.tm_mday = rtc_raw.mday;
- rtctm.tm_mon = rtc_raw.mon - 1; /* month starts at 0 */
- rtctm.tm_year = year - 1900; /* starts at 1900 */
- return copy_to_user((void *)arg, &rtctm, sizeof(rtctm))
- ? -EFAULT : 0;
-
- case RTC_SET_TIME:
- if (!capable(CAP_SYS_TIME))
- return -EACCES;
-
- if (copy_from_user(&rtctm, (void *)arg, sizeof(rtctm)))
- return -EFAULT;
- rtc_raw.secs = rtctm.tm_sec;
- rtc_raw.mins = rtctm.tm_min;
- rtc_raw.hours = rtctm.tm_hour;
- rtc_raw.mday = rtctm.tm_mday;
- rtc_raw.mon = rtctm.tm_mon + 1;
- year = rtctm.tm_year + 1900;
- return set_rtc_time(&rtc_raw, year);
- break;
-
- case RTC_EPOCH_READ:
- return put_user(1900, (unsigned long *)arg);
-
- }
- return -EINVAL;
-}
-
-static struct file_operations rtc_fops = {
- .ioctl = rtc_ioctl,
-};
-
-static struct miscdevice rtc_dev = {
- .minor = RTC_MINOR,
- .name = "rtc",
- .fops = &rtc_fops,
-};
-
-/* IOC / IOMD i2c driver */
-
-#define FORCE_ONES 0xdc
-#define SCL 0x02
-#define SDA 0x01
-
-/*
- * We must preserve all non-i2c output bits in IOC_CONTROL.
- * Note also that we need to preserve the value of SCL and
- * SDA outputs as well (which may be different from the
- * values read back from IOC_CONTROL).
- */
-static u_int force_ones;
-
-static void ioc_setscl(void *data, int state)
-{
- u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA);
- u_int ones = force_ones;
-
- if (state)
- ones |= SCL;
- else
- ones &= ~SCL;
-
- force_ones = ones;
-
- ioc_writeb(ioc_control | ones, IOC_CONTROL);
-}
-
-static void ioc_setsda(void *data, int state)
-{
- u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA);
- u_int ones = force_ones;
-
- if (state)
- ones |= SDA;
- else
- ones &= ~SDA;
-
- force_ones = ones;
-
- ioc_writeb(ioc_control | ones, IOC_CONTROL);
-}
-
-static int ioc_getscl(void *data)
-{
- return (ioc_readb(IOC_CONTROL) & SCL) != 0;
-}
-
-static int ioc_getsda(void *data)
-{
- return (ioc_readb(IOC_CONTROL) & SDA) != 0;
-}
-
-static struct i2c_algo_bit_data ioc_data = {
- .setsda = ioc_setsda,
- .setscl = ioc_setscl,
- .getsda = ioc_getsda,
- .getscl = ioc_getscl,
- .udelay = 80,
- .mdelay = 80,
- .timeout = 100
-};
-
-static int ioc_client_reg(struct i2c_client *client)
-{
- if (client->driver->id == I2C_DRIVERID_PCF8583 &&
- client->addr == 0x50) {
- struct rtc_tm rtctm;
- unsigned int year;
- struct timespec tv;
-
- rtc_client = client;
- get_rtc_time(&rtctm, &year);
-
- tv.tv_nsec = rtctm.cs * 10000000;
- tv.tv_sec = mktime(year, rtctm.mon, rtctm.mday,
- rtctm.hours, rtctm.mins, rtctm.secs);
- do_settimeofday(&tv);
- set_rtc = k_set_rtc_time;
- }
-
- return 0;
-}
-
-static int ioc_client_unreg(struct i2c_client *client)
-{
- if (client == rtc_client) {
- set_rtc = NULL;
- rtc_client = NULL;
- }
-
- return 0;
-}
-
-static struct i2c_adapter ioc_ops = {
- .id = I2C_HW_B_IOC,
- .algo_data = &ioc_data,
- .client_register = ioc_client_reg,
- .client_unregister = ioc_client_unreg,
-};
-
-static int __init i2c_ioc_init(void)
-{
- int ret;
-
- force_ones = FORCE_ONES | SCL | SDA;
-
- ret = i2c_bit_add_bus(&ioc_ops);
-
- if (ret >= 0){
- ret = misc_register(&rtc_dev);
- if(ret < 0)
- i2c_bit_del_bus(&ioc_ops);
- }
-
- return ret;
-}
-
-__initcall(i2c_ioc_init);
diff --git a/drivers/acorn/char/pcf8583.c b/drivers/acorn/char/pcf8583.c
deleted file mode 100644
index 141b4c237a5..00000000000
--- a/drivers/acorn/char/pcf8583.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * linux/drivers/acorn/char/pcf8583.c
- *
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Driver for PCF8583 RTC & RAM chip
- */
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/mc146818rtc.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/bcd.h>
-
-#include "pcf8583.h"
-
-static struct i2c_driver pcf8583_driver;
-
-static unsigned short ignore[] = { I2C_CLIENT_END };
-static unsigned short normal_addr[] = { 0x50, I2C_CLIENT_END };
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_addr,
- .probe = ignore,
- .ignore = ignore,
- .force = ignore,
-};
-
-#define DAT(x) ((unsigned int)(x->dev.driver_data))
-
-static int
-pcf8583_attach(struct i2c_adapter *adap, int addr, int kind)
-{
- struct i2c_client *c;
- unsigned char buf[1], ad[1] = { 0 };
- struct i2c_msg msgs[2] = {
- { addr, 0, 1, ad },
- { addr, I2C_M_RD, 1, buf }
- };
-
- c = kmalloc(sizeof(*c), GFP_KERNEL);
- if (!c)
- return -ENOMEM;
-
- memset(c, 0, sizeof(*c));
- c->addr = addr;
- c->adapter = adap;
- c->driver = &pcf8583_driver;
-
- if (i2c_transfer(c->adapter, msgs, 2) == 2)
- DAT(c) = buf[0];
-
- return i2c_attach_client(c);
-}
-
-static int
-pcf8583_probe(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, pcf8583_attach);
-}
-
-static int
-pcf8583_detach(struct i2c_client *client)
-{
- i2c_detach_client(client);
- kfree(client);
- return 0;
-}
-
-static int
-pcf8583_get_datetime(struct i2c_client *client, struct rtc_tm *dt)
-{
- unsigned char buf[8], addr[1] = { 1 };
- struct i2c_msg msgs[2] = {
- { client->addr, 0, 1, addr },
- { client->addr, I2C_M_RD, 6, buf }
- };
- int ret = -EIO;
-
- memset(buf, 0, sizeof(buf));
-
- ret = i2c_transfer(client->adapter, msgs, 2);
- if (ret == 2) {
- dt->year_off = buf[4] >> 6;
- dt->wday = buf[5] >> 5;
-
- buf[4] &= 0x3f;
- buf[5] &= 0x1f;
-
- dt->cs = BCD_TO_BIN(buf[0]);
- dt->secs = BCD_TO_BIN(buf[1]);
- dt->mins = BCD_TO_BIN(buf[2]);
- dt->hours = BCD_TO_BIN(buf[3]);
- dt->mday = BCD_TO_BIN(buf[4]);
- dt->mon = BCD_TO_BIN(buf[5]);
-
- ret = 0;
- }
-
- return ret;
-}
-
-static int
-pcf8583_set_datetime(struct i2c_client *client, struct rtc_tm *dt, int datetoo)
-{
- unsigned char buf[8];
- int ret, len = 6;
-
- buf[0] = 0;
- buf[1] = DAT(client) | 0x80;
- buf[2] = BIN_TO_BCD(dt->cs);
- buf[3] = BIN_TO_BCD(dt->secs);
- buf[4] = BIN_TO_BCD(dt->mins);
- buf[5] = BIN_TO_BCD(dt->hours);
-
- if (datetoo) {
- len = 8;
- buf[6] = BIN_TO_BCD(dt->mday) | (dt->year_off << 6);
- buf[7] = BIN_TO_BCD(dt->mon) | (dt->wday << 5);
- }
-
- ret = i2c_master_send(client, (char *)buf, len);
- if (ret == len)
- ret = 0;
-
- buf[1] = DAT(client);
- i2c_master_send(client, (char *)buf, 2);
-
- return ret;
-}
-
-static int
-pcf8583_get_ctrl(struct i2c_client *client, unsigned char *ctrl)
-{
- *ctrl = DAT(client);
- return 0;
-}
-
-static int
-pcf8583_set_ctrl(struct i2c_client *client, unsigned char *ctrl)
-{
- unsigned char buf[2];
-
- buf[0] = 0;
- buf[1] = *ctrl;
- DAT(client) = *ctrl;
-
- return i2c_master_send(client, (char *)buf, 2);
-}
-
-static int
-pcf8583_read_mem(struct i2c_client *client, struct mem *mem)
-{
- unsigned char addr[1];
- struct i2c_msg msgs[2] = {
- { client->addr, 0, 1, addr },
- { client->addr, I2C_M_RD, 0, mem->data }
- };
-
- if (mem->loc < 8)
- return -EINVAL;
-
- addr[0] = mem->loc;
- msgs[1].len = mem->nr;
-
- return i2c_transfer(client->adapter, msgs, 2) == 2 ? 0 : -EIO;
-}
-
-static int
-pcf8583_write_mem(struct i2c_client *client, struct mem *mem)
-{
- unsigned char addr[1];
- struct i2c_msg msgs[2] = {
- { client->addr, 0, 1, addr },
- { client->addr, 0, 0, mem->data }
- };
-
- if (mem->loc < 8)
- return -EINVAL;
-
- addr[0] = mem->loc;
- msgs[1].len = mem->nr;
-
- return i2c_transfer(client->adapter, msgs, 2) == 2 ? 0 : -EIO;
-}
-
-static int
-pcf8583_command(struct i2c_client *client, unsigned int cmd, void *arg)
-{
- switch (cmd) {
- case RTC_GETDATETIME:
- return pcf8583_get_datetime(client, arg);
-
- case RTC_SETTIME:
- return pcf8583_set_datetime(client, arg, 0);
-
- case RTC_SETDATETIME:
- return pcf8583_set_datetime(client, arg, 1);
-
- case RTC_GETCTRL:
- return pcf8583_get_ctrl(client, arg);
-
- case RTC_SETCTRL:
- return pcf8583_set_ctrl(client, arg);
-
- case MEM_READ:
- return pcf8583_read_mem(client, arg);
-
- case MEM_WRITE:
- return pcf8583_write_mem(client, arg);
-
- default:
- return -EINVAL;
- }
-}
-
-static struct i2c_driver pcf8583_driver = {
- .name = "PCF8583",
- .id = I2C_DRIVERID_PCF8583,
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = pcf8583_probe,
- .detach_client = pcf8583_detach,
- .command = pcf8583_command
-};
-
-static __init int pcf8583_init(void)
-{
- return i2c_add_driver(&pcf8583_driver);
-}
-
-__initcall(pcf8583_init);
diff --git a/drivers/acorn/char/pcf8583.h b/drivers/acorn/char/pcf8583.h
deleted file mode 100644
index 847f7fdb876..00000000000
--- a/drivers/acorn/char/pcf8583.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * linux/drivers/acorn/char/pcf8583.h
- *
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-struct rtc_tm {
- unsigned char cs;
- unsigned char secs;
- unsigned char mins;
- unsigned char hours;
- unsigned char mday;
- unsigned char mon;
- unsigned char year_off;
- unsigned char wday;
-};
-
-struct mem {
- unsigned int loc;
- unsigned int nr;
- unsigned char *data;
-};
-
-#define RTC_GETDATETIME 0
-#define RTC_SETTIME 1
-#define RTC_SETDATETIME 2
-#define RTC_GETCTRL 3
-#define RTC_SETCTRL 4
-#define MEM_READ 5
-#define MEM_WRITE 6
-
-#define CTRL_STOP 0x80
-#define CTRL_HOLD 0x40
-#define CTRL_32KHZ 0x00
-#define CTRL_MASK 0x08
-#define CTRL_ALARMEN 0x04
-#define CTRL_ALARM 0x02
-#define CTRL_TIMER 0x01
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 986410e7b48..a34a2284100 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -2,20 +2,16 @@
# ACPI Configuration
#
-menu "ACPI (Advanced Configuration and Power Interface) Support"
- depends on PM
- depends on !X86_VISWS
+menuconfig ACPI
+ bool "ACPI (Advanced Configuration and Power Interface) Support"
depends on !IA64_HP_SIM
depends on IA64 || X86
-
-config ACPI
- bool "ACPI Support"
- depends on IA64 || X86
-
+ depends on PCI
+ select PNP
default y
- ---help---
+ help
Advanced Configuration and Power Interface (ACPI) support for
- Linux requires an ACPI compliant platform (hardware/firmware),
+ Linux requires an ACPI-compliant platform (hardware/firmware),
and assumes the presence of OS-directed configuration and power
management (OSPM) software. This option will enlarge your
kernel by about 70K.
@@ -25,343 +21,369 @@ config ACPI
the Plug-and-Play BIOS specification (PnP BIOS), the
MultiProcessor Specification (MPS), and the Advanced Power
Management (APM) specification. If both ACPI and APM support
- are configured, whichever is loaded first shall be used.
+ are configured, ACPI is used.
- The ACPI SourceForge project contains the latest source code,
- documentation, tools, mailing list subscription, and other
- information. This project is available at:
- <http://sourceforge.net/projects/acpi>
+ The project home page for the Linux ACPI subsystem is here:
+ <https://01.org/linux-acpi>
Linux support for ACPI is based on Intel Corporation's ACPI
- Component Architecture (ACPI CA). For more information see:
- <http://developer.intel.com/technology/iapc/acpi>
-
- ACPI is an open industry specification co-developed by Compaq,
- Intel, Microsoft, Phoenix, and Toshiba. The specification is
- available at:
+ Component Architecture (ACPI CA). For more information on the
+ ACPI CA, see:
+ <http://acpica.org/>
+
+ ACPI is an open industry specification originally co-developed by
+ Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
+ it is developed by the ACPI Specification Working Group (ASWG) under
+ the UEFI Forum and any UEFI member can join the ASWG and contribute
+ to the ACPI specification.
+ The specification is available at:
<http://www.acpi.info>
+ <http://www.uefi.org/acpi/specs>
if ACPI
-config ACPI_BOOT
- bool
- default y
-
-config ACPI_INTERPRETER
- bool
- default y
-
-if ACPI_INTERPRETER
-
config ACPI_SLEEP
- bool "Sleep States (EXPERIMENTAL)"
- depends on X86 && (!SMP || SUSPEND_SMP)
- depends on EXPERIMENTAL && PM
- default y
- ---help---
- This option adds support for ACPI suspend states.
-
- With this option, you will be able to put the system "to sleep".
- Sleep states are low power states for the system and devices. All
- of the system operating state is saved to either memory or disk
- (depending on the state), to allow the system to resume operation
- quickly at your request.
-
- Although this option sounds really nifty, barely any of the device
- drivers have been converted to the new driver model and hence few
- have proper power management support.
-
- This option is not recommended for anyone except those doing driver
- power management development.
-
-config ACPI_SLEEP_PROC_FS
bool
- depends on ACPI_SLEEP && PROC_FS
+ depends on SUSPEND || HIBERNATION
default y
-config ACPI_SLEEP_PROC_SLEEP
- bool "/proc/acpi/sleep (deprecated)"
- depends on ACPI_SLEEP_PROC_FS
+config ACPI_PROCFS_POWER
+ bool "Deprecated power /proc/acpi directories"
+ depends on PROC_FS
+ help
+ For backwards compatibility, this option allows
+ deprecated power /proc/acpi/ directories to exist, even when
+ they have been replaced by functions in /sys.
+ The deprecated directories (and their replacements) include:
+ /proc/acpi/battery/* (/sys/class/power_supply/*)
+ /proc/acpi/ac_adapter/* (sys/class/power_supply/*)
+ This option has no effect on /proc/acpi/ directories
+ and functions, which do not yet exist in /sys
+ This option, together with the proc directories, will be
+ deleted in the future.
+
+ Say N to delete power /proc/acpi/ directories that have moved to /sys/
+
+config ACPI_EC_DEBUGFS
+ tristate "EC read/write access through /sys/kernel/debug/ec"
default n
- ---help---
- Create /proc/acpi/sleep
- Deprecated by /sys/power/state
+ help
+ Say N to disable Embedded Controller /sys/kernel/debug interface
+
+ Be aware that using this interface can confuse your Embedded
+ Controller in a way that a normal reboot is not enough. You then
+ have to power off your system, and remove the laptop battery for
+ some seconds.
+ An Embedded Controller typically is available on laptops and reads
+ sensor values like battery state and temperature.
+ The kernel accesses the EC through ACPI parsed code provided by BIOS
+ tables. This option allows to access the EC directly without ACPI
+ code being involved.
+ Thus this option is a debug option that helps to write ACPI drivers
+ and can be used to identify ACPI code or EC firmware bugs.
config ACPI_AC
tristate "AC Adapter"
depends on X86
- default m
+ select POWER_SUPPLY
+ default y
help
- This driver adds support for the AC Adapter object, which indicates
- whether a system is on AC, or not. Typically, only mobile systems
- have this object, since desktops are always on AC.
+ This driver supports the AC Adapter object, which indicates
+ whether a system is on AC or not. If you have a system that can
+ switch between A/C and battery, say Y.
+
+ To compile this driver as a module, choose M here:
+ the module will be called ac.
config ACPI_BATTERY
tristate "Battery"
depends on X86
- default m
+ select POWER_SUPPLY
+ default y
help
This driver adds support for battery information through
/proc/acpi/battery. If you have a mobile system with a battery,
say Y.
+ To compile this driver as a module, choose M here:
+ the module will be called battery.
+
config ACPI_BUTTON
tristate "Button"
- default m
+ depends on INPUT
+ default y
help
- This driver registers for events based on buttons, such as the
- power, sleep, and lid switch. In the future, a daemon will read
- /proc/acpi/event and perform user-defined actions such as shutting
- down the system. Until then, you can cat it, and see output when
- a button is pressed.
+ This driver handles events on the power, sleep, and lid buttons.
+ A daemon reads events from input devices or via netlink and
+ performs user-defined actions such as shutting down the system.
+ This is necessary for software-controlled poweroff.
+
+ To compile this driver as a module, choose M here:
+ the module will be called button.
config ACPI_VIDEO
tristate "Video"
- depends on EXPERIMENTAL
- default m
+ depends on X86 && BACKLIGHT_CLASS_DEVICE
+ depends on INPUT
+ select THERMAL
help
- This driver implement the ACPI Extensions For Display Adapters
+ This driver implements the ACPI Extensions For Display Adapters
for integrated graphics devices on motherboard, as specified in
- ACPI 2.0 Specification, Appendix B, allowing to perform some basic
- control like defining the video POST device, retrieving EDID information
- or to setup a video output, etc.
- Note that this is an ref. implementation only. It may or may not work
- for your integrated video device.
-
-config ACPI_HOTKEY
- tristate "Generic Hotkey"
- depends on ACPI_INTERPRETER
- depends on EXPERIMENTAL
- depends on !IA64_SGI_SN
- default m
- help
- ACPI generic hotkey
+ ACPI 2.0 Specification, Appendix B. This supports basic operations
+ such as defining the video POST device, retrieving EDID information,
+ and setting up a video output.
+
+ To compile this driver as a module, choose M here:
+ the module will be called video.
config ACPI_FAN
tristate "Fan"
- default m
+ select THERMAL
+ default y
help
- This driver adds support for ACPI fan devices, allowing user-mode
+ This driver supports ACPI fan devices, allowing user-mode
applications to perform basic fan control (on, off, status).
+ To compile this driver as a module, choose M here:
+ the module will be called fan.
+
+config ACPI_DOCK
+ bool "Dock"
+ help
+ This driver supports ACPI-controlled docking stations and removable
+ drive bays such as the IBM Ultrabay and the Dell Module Bay.
+
config ACPI_PROCESSOR
tristate "Processor"
- default m
+ select THERMAL
+ select CPU_IDLE
+ default y
help
- This driver installs ACPI as the idle handler for Linux, and uses
- ACPI C2 and C3 processor states to save power, on systems that
- support it.
+ This driver installs ACPI as the idle handler for Linux and uses
+ ACPI C2 and C3 processor states to save power on systems that
+ support it. It is required by several flavors of cpufreq
+ performance-state drivers.
+
+ To compile this driver as a module, choose M here:
+ the module will be called processor.
+
+config ACPI_IPMI
+ tristate "IPMI"
+ depends on IPMI_SI
+ default n
+ help
+ This driver enables the ACPI to access the BMC controller. And it
+ uses the IPMI request/response message to communicate with BMC
+ controller, which can be found on on the server.
+
+ To compile this driver as a module, choose M here:
+ the module will be called as acpi_ipmi.
config ACPI_HOTPLUG_CPU
- bool "Processor Hotplug (EXPERIMENTAL)"
- depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL
+ bool
+ depends on ACPI_PROCESSOR && HOTPLUG_CPU
select ACPI_CONTAINER
- default n
- ---help---
- Select this option if your platform support physical CPU hotplug.
+ default y
+
+config ACPI_PROCESSOR_AGGREGATOR
+ tristate "Processor Aggregator"
+ depends on ACPI_PROCESSOR
+ depends on X86
+ help
+ ACPI 4.0 defines processor Aggregator, which enables OS to perform
+ specific processor configuration and control that applies to all
+ processors in the platform. Currently only logical processor idling
+ is defined, which is to reduce power consumption. This driver
+ supports the new device.
config ACPI_THERMAL
tristate "Thermal Zone"
depends on ACPI_PROCESSOR
- default m
+ select THERMAL
+ default y
help
- This driver adds support for ACPI thermal zones. Most mobile and
+ This driver supports ACPI thermal zones. Most mobile and
some desktop systems support ACPI thermal zones. It is HIGHLY
recommended that this option be enabled, as your processor(s)
may be damaged without it.
+ To compile this driver as a module, choose M here:
+ the module will be called thermal.
+
config ACPI_NUMA
bool "NUMA support"
depends on NUMA
- depends on (IA64 || X86_64)
+ depends on (X86 || IA64)
default y if IA64_GENERIC || IA64_SGI_SN2
-config ACPI_ASUS
- tristate "ASUS/Medion Laptop Extras"
- depends on X86
- default m
- ---help---
- This driver provides support for extra features of ACPI-compatible
- ASUS laptops. As some of Medion laptops are made by ASUS, it may also
- support some Medion laptops (such as 9675 for example). It makes all
- the extra buttons generate standard ACPI events that go through
- /proc/acpi/events, and (on some models) adds support for changing the
- display brightness and output, switching the LCD backlight on and off,
- and most importantly, allows you to blink those fancy LEDs intended
- for reporting mail and wireless status.
-
- Note: display switching code is currently considered EXPERIMENTAL,
- toying with these values may even lock your machine.
-
- All settings are changed via /proc/acpi/asus directory entries. Owner
- and group for these entries can be set with asus_uid and asus_gid
- parameters.
-
- More information and a userspace daemon for handling the extra buttons
- at <http://sourceforge.net/projects/acpi4asus/>.
-
- If you have an ACPI-compatible ASUS laptop, say Y or M here. This
- driver is still under development, so if your laptop is unsupported or
- something works not quite as expected, please use the mailing list
- available on the above page (acpi4asus-user@lists.sourceforge.net)
-
-config ACPI_IBM
- tristate "IBM ThinkPad Laptop Extras"
- depends on X86
- default m
- ---help---
- This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds
- support for Fn-Fx key combinations, Bluetooth control, video
- output switching, ThinkLight control, UltraBay eject and more.
- For more information about this driver see <file:Documentation/ibm-acpi.txt>
- and <http://ibm-acpi.sf.net/> .
-
- If you have an IBM ThinkPad laptop, say Y or M here.
-
-config ACPI_TOSHIBA
- tristate "Toshiba Laptop Extras"
- depends on X86
- default m
- ---help---
- This driver adds support for access to certain system settings
- on "legacy free" Toshiba laptops. These laptops can be recognized by
- their lack of a BIOS setup menu and APM support.
-
- On these machines, all system configuration is handled through the
- ACPI. This driver is required for access to controls not covered
- by the general ACPI drivers, such as LCD brightness, video output,
- etc.
-
- This driver differs from the non-ACPI Toshiba laptop driver (located
- under "Processor type and features") in several aspects.
- Configuration is accessed by reading and writing text files in the
- /proc tree instead of by program interface to /dev. Furthermore, no
- power management functions are exposed, as those are handled by the
- general ACPI drivers.
-
- More information about this driver is available at
- <http://memebeam.org/toys/ToshibaAcpiDriver>.
-
- If you have a legacy free Toshiba laptop (such as the Libretto L1
- series), say Y.
-
-config ACPI_CUSTOM_DSDT
- bool "Include Custom DSDT"
- depends on !STANDALONE
- default n
- help
- Thist option is to load a custom ACPI DSDT
- If you don't know what that is, say N.
-
config ACPI_CUSTOM_DSDT_FILE
string "Custom DSDT Table file to include"
- depends on ACPI_CUSTOM_DSDT
default ""
+ depends on !STANDALONE
help
- Enter the full path name to the file wich includes the AmlCode declaration.
+ This option supports a custom DSDT by linking it into the kernel.
+ See Documentation/acpi/dsdt-override.txt
-config ACPI_BLACKLIST_YEAR
- int "Disable ACPI for systems before Jan 1st this year"
- depends on ACPI_INTERPRETER
- default 0
- help
- enter a 4-digit year, eg. 2001 to disable ACPI by default
- on platforms with DMI BIOS date before January 1st that year.
- "acpi=force" can be used to override this mechanism.
+ Enter the full path name to the file which includes the AmlCode
+ declaration.
- Enter 0 to disable this mechanism and allow ACPI to
- run by default no matter what the year. (default)
+ If unsure, don't enter a file name.
-config ACPI_DEBUG
- bool "Debug Statements"
- default n
- help
- The ACPI driver can optionally report errors with a great deal
- of verbosity. Saying Y enables these statements. This will increase
- your kernel size by around 50K.
-
-config ACPI_BUS
+config ACPI_CUSTOM_DSDT
bool
- default y
+ default ACPI_CUSTOM_DSDT_FILE != ""
-config ACPI_EC
- bool
- depends on X86
- default y
+config ACPI_INITRD_TABLE_OVERRIDE
+ bool "ACPI tables override via initrd"
+ depends on BLK_DEV_INITRD && X86
+ default n
help
- This driver is required on some systems for the proper operation of
- the battery and thermal drivers. If you are compiling for a
- mobile system, say Y.
+ This option provides functionality to override arbitrary ACPI tables
+ via initrd. No functional change if no ACPI tables are passed via
+ initrd, therefore it's safe to say Y.
+ See Documentation/acpi/initrd_table_override.txt for details
-config ACPI_POWER
- bool
- default y
+config ACPI_DEBUG
+ bool "Debug Statements"
+ default n
+ help
+ The ACPI subsystem can produce debug output. Saying Y enables this
+ output and increases the kernel size by around 50K.
-config ACPI_PCI
- bool
- default PCI
+ Use the acpi.debug_layer and acpi.debug_level kernel command-line
+ parameters documented in Documentation/acpi/debug.txt and
+ Documentation/kernel-parameters.txt to control the type and
+ amount of debug output.
-config ACPI_SYSTEM
- bool
- default y
+config ACPI_PCI_SLOT
+ bool "PCI slot detection driver"
+ depends on SYSFS
+ default n
help
- This driver will enable your system to shut down using ACPI, and
- dump your ACPI DSDT table using /proc/acpi/dsdt.
-
-endif # ACPI_INTERPRETER
+ This driver creates entries in /sys/bus/pci/slots/ for all PCI
+ slots in the system. This can help correlate PCI bus addresses,
+ i.e., segment/bus/device/function tuples, with physical slots in
+ the system. If you are unsure, say N.
config X86_PM_TIMER
- bool "Power Management Timer Support"
+ bool "Power Management Timer Support" if EXPERT
depends on X86
- depends on ACPI_BOOT && EXPERIMENTAL
- depends on !X86_64
- default n
+ default y
help
The Power Management Timer is available on all ACPI-capable,
in most cases even if ACPI is unusable or blacklisted.
- This timing source is not affected by powermanagement features
+ This timing source is not affected by power management features
like aggressive processor idling, throttling, frequency and/or
voltage scaling, unlike the commonly used Time Stamp Counter
(TSC) timing source.
- So, if you see messages like 'Losing too many ticks!' in the
- kernel logs, and/or you are using this on a notebook which
- does not yet have an HPET, you should say "Y" here.
+ You should nearly always say Y here because many modern
+ systems require this timer.
config ACPI_CONTAINER
- tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
- ---help---
- This allows _physical_ insertion and removal of CPUs and memory.
- This can be useful, for example, on NUMA machines that support
- ACPI based physical hotplug of nodes, or non-NUMA machines that
- support physical cpu/memory hot-plug.
-
- If one selects "m", this driver can be loaded with
- "modprobe acpi_container".
+ bool "Container and Module Devices"
+ default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU)
+ help
+ This driver supports ACPI Container and Module devices (IDs
+ ACPI0004, PNP0A05, and PNP0A06).
+
+ This helps support hotplug of nodes, CPUs, and memory.
+
+ To compile this driver as a module, choose M here:
+ the module will be called container.
config ACPI_HOTPLUG_MEMORY
- tristate "Memory Hotplug"
- depends on ACPI
+ bool "Memory Hotplug"
depends on MEMORY_HOTPLUG
+ help
+ This driver supports ACPI memory hotplug. The driver
+ fields notifications on ACPI memory devices (PNP0C80),
+ which represent memory ranges that may be onlined or
+ offlined during runtime.
+
+ If your hardware and firmware do not support adding or
+ removing memory devices at runtime, you need not enable
+ this driver.
+
+ To compile this driver as a module, choose M here:
+ the module will be called acpi_memhotplug.
+
+config ACPI_SBS
+ tristate "Smart Battery System"
+ depends on X86
+ select POWER_SUPPLY
+ help
+ This driver supports the Smart Battery System, another
+ type of access to battery information, found on some laptops.
+
+ To compile this driver as a module, choose M here:
+ the modules will be called sbs and sbshc.
+
+config ACPI_HED
+ tristate "Hardware Error Device"
+ help
+ This driver supports the Hardware Error Device (PNP0C33),
+ which is used to report some hardware errors notified via
+ SCI, mainly the corrected errors.
+
+config ACPI_CUSTOM_METHOD
+ tristate "Allow ACPI methods to be inserted/replaced at run time"
+ depends on DEBUG_FS
default n
help
- This driver adds supports for ACPI Memory Hotplug. This driver
- provides support for fielding notifications on ACPI memory
- devices (PNP0C80) which represent memory ranges that may be
- onlined or offlined during runtime.
-
- Enabling this driver assumes that your platform hardware
- and firmware have support for hot-plugging physical memory. If
- your system does not support physically adding or ripping out
- memory DIMMs at some platfrom defined granularity (individually
- or as a bank) at runtime, then you need not enable this driver.
-
- If one selects "m," this driver can be loaded using the following
- command:
- $>modprobe acpi_memhotplug
-endif # ACPI
+ This debug facility allows ACPI AML methods to be inserted and/or
+ replaced without rebooting the system. For details refer to:
+ Documentation/acpi/method-customizing.txt.
+
+ NOTE: This option is security sensitive, because it allows arbitrary
+ kernel memory to be written to by root (uid=0) users, allowing them
+ to bypass certain security measures (e.g. if root is not allowed to
+ load additional kernel modules after boot, this feature may be used
+ to override that restriction).
+
+config ACPI_BGRT
+ bool "Boottime Graphics Resource Table support"
+ depends on EFI && X86
+ help
+ This driver adds support for exposing the ACPI Boottime Graphics
+ Resource Table, which allows the operating system to obtain
+ data from the firmware boot splash. It will appear under
+ /sys/firmware/acpi/bgrt/ .
+
+config ACPI_REDUCED_HARDWARE_ONLY
+ bool "Hardware-reduced ACPI support only" if EXPERT
+ def_bool n
+ depends on ACPI
+ help
+ This config item changes the way the ACPI code is built. When this
+ option is selected, the kernel will use a specialized version of
+ ACPICA that ONLY supports the ACPI "reduced hardware" mode. The
+ resulting kernel will be smaller but it will also be restricted to
+ running in ACPI reduced hardware mode ONLY.
-endmenu
+ If you are unsure what to do, do not enable this option.
+
+source "drivers/acpi/apei/Kconfig"
+
+config ACPI_EXTLOG
+ tristate "Extended Error Log support"
+ depends on X86_MCE && X86_LOCAL_APIC
+ select UEFI_CPER
+ default n
+ help
+ Certain usages such as Predictive Failure Analysis (PFA) require
+ more information about the error than what can be described in
+ processor machine check banks. Most server processors log
+ additional information about the error in processor uncore
+ registers. Since the addresses and layout of these registers vary
+ widely from one processor to another, system software cannot
+ readily make use of them. To complicate matters further, some of
+ the additional error information cannot be constructed without
+ detailed knowledge about platform topology.
+
+ Enhanced MCA Logging allows firmware to provide additional error
+ information to system software, synchronous with MCE or CMCI. This
+ driver adds support for that functionality.
+
+endif # ACPI
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index ad67e8f61e6..ea55e0179f8 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -1,59 +1,87 @@
#
# Makefile for the Linux ACPI interpreter
-#
-
-export ACPI_CFLAGS
-
-ACPI_CFLAGS := -Os
-
-ifdef CONFIG_ACPI_DEBUG
- ACPI_CFLAGS += -DACPI_DEBUG_OUTPUT
-endif
+#
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
+ccflags-y := -Os
+ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
#
# ACPI Boot-Time Table Parsing
#
-obj-$(CONFIG_ACPI_BOOT) += tables.o
-obj-$(CONFIG_ACPI_INTERPRETER) += blacklist.o
+obj-y += tables.o
+obj-$(CONFIG_X86) += blacklist.o
#
# ACPI Core Subsystem (Interpreter)
#
-obj-$(CONFIG_ACPI_INTERPRETER) += osl.o utils.o \
- dispatcher/ events/ executer/ hardware/ \
- namespace/ parser/ resources/ tables/ \
- utilities/
+obj-y += acpi.o \
+ acpica/
+
+# All the builtin files are in the "acpi." module_param namespace.
+acpi-y += osl.o utils.o reboot.o
+acpi-y += nvs.o
+
+# Power management related files
+acpi-y += wakeup.o
+acpi-y += sleep.o
+acpi-y += device_pm.o
+acpi-$(CONFIG_ACPI_SLEEP) += proc.o
+
#
# ACPI Bus and Device Drivers
#
-processor-objs += processor_core.o processor_throttling.o \
- processor_idle.o processor_thermal.o
-ifdef CONFIG_CPU_FREQ
-processor-objs += processor_perflib.o
+acpi-y += bus.o glue.o
+acpi-y += scan.o
+acpi-y += resource.o
+acpi-y += acpi_processor.o
+acpi-y += processor_core.o
+acpi-y += ec.o
+acpi-$(CONFIG_ACPI_DOCK) += dock.o
+acpi-y += pci_root.o pci_link.o pci_irq.o
+acpi-y += acpi_lpss.o
+acpi-y += acpi_platform.o
+acpi-y += acpi_pnp.o
+acpi-y += power.o
+acpi-y += event.o
+acpi-y += sysfs.o
+acpi-$(CONFIG_X86) += acpi_cmos_rtc.o
+acpi-$(CONFIG_DEBUG_FS) += debugfs.o
+acpi-$(CONFIG_ACPI_NUMA) += numa.o
+acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
+ifdef CONFIG_ACPI_VIDEO
+acpi-y += video_detect.o
endif
-obj-$(CONFIG_ACPI_BUS) += sleep/
-obj-$(CONFIG_ACPI_BUS) += bus.o glue.o
+# These are (potentially) separate modules
+
+# IPMI may be used by other drivers, so it has to initialise before them
+obj-$(CONFIG_ACPI_IPMI) += acpi_ipmi.o
+
obj-$(CONFIG_ACPI_AC) += ac.o
-obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_BUTTON) += button.o
-obj-$(CONFIG_ACPI_EC) += ec.o
obj-$(CONFIG_ACPI_FAN) += fan.o
-obj-$(CONFIG_ACPI_VIDEO) += video.o
-obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o
-obj-$(CONFIG_ACPI_PCI) += pci_root.o pci_link.o pci_irq.o pci_bind.o
-obj-$(CONFIG_ACPI_POWER) += power.o
+obj-$(CONFIG_ACPI_VIDEO) += video.o
+obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o
obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
-obj-$(CONFIG_ACPI_CONTAINER) += container.o
+obj-y += container.o
obj-$(CONFIG_ACPI_THERMAL) += thermal.o
-obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o
-obj-$(CONFIG_ACPI_DEBUG) += debug.o
-obj-$(CONFIG_ACPI_NUMA) += numa.o
-obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o
-obj-$(CONFIG_ACPI_IBM) += ibm_acpi.o
-obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
-obj-$(CONFIG_ACPI_BUS) += scan.o motherboard.o
-obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
+obj-y += acpi_memhotplug.o
+obj-$(CONFIG_ACPI_BATTERY) += battery.o
+obj-$(CONFIG_ACPI_SBS) += sbshc.o
+obj-$(CONFIG_ACPI_SBS) += sbs.o
+obj-$(CONFIG_ACPI_HED) += hed.o
+obj-$(CONFIG_ACPI_EC_DEBUGFS) += ec_sys.o
+obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o
+obj-$(CONFIG_ACPI_BGRT) += bgrt.o
+
+# processor has its own "processor." module_param namespace
+processor-y := processor_driver.o processor_throttling.o
+processor-y += processor_idle.o processor_thermal.o
+processor-$(CONFIG_CPU_FREQ) += processor_perflib.o
+
+obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o
+
+obj-$(CONFIG_ACPI_APEI) += apei/
+
+obj-$(CONFIG_ACPI_EXTLOG) += acpi_extlog.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 23ab761dd72..36b0e61f9c0 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -25,18 +25,23 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/types.h>
+#include <linux/dmi.h>
+#include <linux/delay.h>
+#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#endif
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/acpi.h>
+#include "battery.h"
+#define PREFIX "ACPI: "
-#define ACPI_AC_COMPONENT 0x00020000
#define ACPI_AC_CLASS "ac_adapter"
-#define ACPI_AC_HID "ACPI0003"
-#define ACPI_AC_DRIVER_NAME "ACPI AC Adapter Driver"
#define ACPI_AC_DEVICE_NAME "AC Adapter"
#define ACPI_AC_FILE_STATE "state"
#define ACPI_AC_NOTIFY_STATUS 0x80
@@ -45,83 +50,139 @@
#define ACPI_AC_STATUS_UNKNOWN 0xFF
#define _COMPONENT ACPI_AC_COMPONENT
-ACPI_MODULE_NAME ("acpi_ac")
+ACPI_MODULE_NAME("ac");
MODULE_AUTHOR("Paul Diefenbaugh");
-MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME);
+MODULE_DESCRIPTION("ACPI AC Adapter Driver");
MODULE_LICENSE("GPL");
-static int acpi_ac_add (struct acpi_device *device);
-static int acpi_ac_remove (struct acpi_device *device, int type);
+
+static int acpi_ac_add(struct acpi_device *device);
+static int acpi_ac_remove(struct acpi_device *device);
+static void acpi_ac_notify(struct acpi_device *device, u32 event);
+
+static const struct acpi_device_id ac_device_ids[] = {
+ {"ACPI0003", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, ac_device_ids);
+
+#ifdef CONFIG_PM_SLEEP
+static int acpi_ac_resume(struct device *dev);
+#endif
+static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
static int acpi_ac_open_fs(struct inode *inode, struct file *file);
+#endif
+
+
+static int ac_sleep_before_get_state_ms;
static struct acpi_driver acpi_ac_driver = {
- .name = ACPI_AC_DRIVER_NAME,
- .class = ACPI_AC_CLASS,
- .ids = ACPI_AC_HID,
- .ops = {
- .add = acpi_ac_add,
- .remove = acpi_ac_remove,
- },
+ .name = "ac",
+ .class = ACPI_AC_CLASS,
+ .ids = ac_device_ids,
+ .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
+ .ops = {
+ .add = acpi_ac_add,
+ .remove = acpi_ac_remove,
+ .notify = acpi_ac_notify,
+ },
+ .drv.pm = &acpi_ac_pm,
};
struct acpi_ac {
- acpi_handle handle;
- unsigned long state;
+ struct power_supply charger;
+ struct acpi_device * device;
+ unsigned long long state;
+ struct notifier_block battery_nb;
};
-static struct file_operations acpi_ac_fops = {
- .open = acpi_ac_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
+
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static const struct file_operations acpi_ac_fops = {
+ .owner = THIS_MODULE,
+ .open = acpi_ac_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
+#endif
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
-static int
-acpi_ac_get_state (
- struct acpi_ac *ac)
+static int acpi_ac_get_state(struct acpi_ac *ac)
{
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE("acpi_ac_get_state");
+ acpi_status status = AE_OK;
if (!ac)
- return_VALUE(-EINVAL);
+ return -EINVAL;
- status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state);
+ status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,
+ &ac->state);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error reading AC Adapter state\n"));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Error reading AC Adapter state"));
ac->state = ACPI_AC_STATUS_UNKNOWN;
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
-
- return_VALUE(0);
+
+ return 0;
}
+/* --------------------------------------------------------------------------
+ sysfs I/F
+ -------------------------------------------------------------------------- */
+static int get_ac_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct acpi_ac *ac = to_acpi_ac(psy);
+
+ if (!ac)
+ return -ENODEV;
+
+ if (acpi_ac_get_state(ac))
+ return -ENODEV;
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = ac->state;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static enum power_supply_property ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+#ifdef CONFIG_ACPI_PROCFS_POWER
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
-static struct proc_dir_entry *acpi_ac_dir;
+static struct proc_dir_entry *acpi_ac_dir;
static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_ac *ac = (struct acpi_ac *) seq->private;
+ struct acpi_ac *ac = seq->private;
- ACPI_FUNCTION_TRACE("acpi_ac_seq_show");
if (!ac)
- return_VALUE(0);
+ return 0;
if (acpi_ac_get_state(ac)) {
seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
- return_VALUE(0);
+ return 0;
}
seq_puts(seq, "state: ");
@@ -137,218 +198,259 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
break;
}
- return_VALUE(0);
+ return 0;
}
-
+
static int acpi_ac_open_fs(struct inode *inode, struct file *file)
{
- return single_open(file, acpi_ac_seq_show, PDE(inode)->data);
+ return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
}
-static int
-acpi_ac_add_fs (
- struct acpi_device *device)
+static int acpi_ac_add_fs(struct acpi_ac *ac)
{
- struct proc_dir_entry *entry = NULL;
-
- ACPI_FUNCTION_TRACE("acpi_ac_add_fs");
-
- if (!acpi_device_dir(device)) {
- acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- acpi_ac_dir);
- if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
- acpi_device_dir(device)->owner = THIS_MODULE;
+ struct proc_dir_entry *entry = NULL;
+
+ printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+ " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+ if (!acpi_device_dir(ac->device)) {
+ acpi_device_dir(ac->device) =
+ proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);
+ if (!acpi_device_dir(ac->device))
+ return -ENODEV;
}
/* 'state' [R] */
- entry = create_proc_entry(ACPI_AC_FILE_STATE,
- S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data(ACPI_AC_FILE_STATE,
+ S_IRUGO, acpi_device_dir(ac->device),
+ &acpi_ac_fops, ac);
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_AC_FILE_STATE));
- else {
- entry->proc_fops = &acpi_ac_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
-
- return_VALUE(0);
+ return -ENODEV;
+ return 0;
}
-
-static int
-acpi_ac_remove_fs (
- struct acpi_device *device)
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
{
- ACPI_FUNCTION_TRACE("acpi_ac_remove_fs");
- if (acpi_device_dir(device)) {
+ if (acpi_device_dir(ac->device)) {
remove_proc_entry(ACPI_AC_FILE_STATE,
- acpi_device_dir(device));
-
- remove_proc_entry(acpi_device_bid(device), acpi_ac_dir);
- acpi_device_dir(device) = NULL;
+ acpi_device_dir(ac->device));
+ remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);
+ acpi_device_dir(ac->device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
-
+#endif
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
-static void
-acpi_ac_notify (
- acpi_handle handle,
- u32 event,
- void *data)
+static void acpi_ac_notify(struct acpi_device *device, u32 event)
{
- struct acpi_ac *ac = (struct acpi_ac *) data;
- struct acpi_device *device = NULL;
-
- ACPI_FUNCTION_TRACE("acpi_ac_notify");
+ struct acpi_ac *ac = acpi_driver_data(device);
if (!ac)
- return_VOID;
-
- if (acpi_bus_get_device(ac->handle, &device))
- return_VOID;
+ return;
switch (event) {
- case ACPI_AC_NOTIFY_STATUS:
- acpi_ac_get_state(ac);
- acpi_bus_generate_event(device, event, (u32) ac->state);
- break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
- break;
+ "Unsupported event [0x%x]\n", event));
+ case ACPI_AC_NOTIFY_STATUS:
+ case ACPI_NOTIFY_BUS_CHECK:
+ case ACPI_NOTIFY_DEVICE_CHECK:
+ /*
+ * A buggy BIOS may notify AC first and then sleep for
+ * a specific time before doing actual operations in the
+ * EC event handler (_Qxx). This will cause the AC state
+ * reported by the ACPI event to be incorrect, so wait for a
+ * specific time for the EC event handler to make progress.
+ */
+ if (ac_sleep_before_get_state_ms > 0)
+ msleep(ac_sleep_before_get_state_ms);
+
+ acpi_ac_get_state(ac);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ dev_name(&device->dev), event,
+ (u32) ac->state);
+ acpi_notifier_call_chain(device, event, (u32) ac->state);
+ kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
}
- return_VOID;
+ return;
}
+static int acpi_ac_battery_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);
+ struct acpi_bus_event *event = (struct acpi_bus_event *)data;
+
+ /*
+ * On HP Pavilion dv6-6179er AC status notifications aren't triggered
+ * when adapter is plugged/unplugged. However, battery status
+ * notifcations are triggered when battery starts charging or
+ * discharging. Re-reading AC status triggers lost AC notifications,
+ * if AC status has changed.
+ */
+ if (strcmp(event->device_class, ACPI_BATTERY_CLASS) == 0 &&
+ event->type == ACPI_BATTERY_NOTIFY_STATUS)
+ acpi_ac_get_state(ac);
-static int
-acpi_ac_add (
- struct acpi_device *device)
+ return NOTIFY_OK;
+}
+
+static int thinkpad_e530_quirk(const struct dmi_system_id *d)
+{
+ ac_sleep_before_get_state_ms = 1000;
+ return 0;
+}
+
+static struct dmi_system_id ac_dmi_table[] = {
+ {
+ .callback = thinkpad_e530_quirk,
+ .ident = "thinkpad e530",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "32597CG"),
+ },
+ },
+ {},
+};
+
+static int acpi_ac_add(struct acpi_device *device)
{
- int result = 0;
- acpi_status status = AE_OK;
- struct acpi_ac *ac = NULL;
+ int result = 0;
+ struct acpi_ac *ac = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
- ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
+ ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
if (!ac)
- return_VALUE(-ENOMEM);
- memset(ac, 0, sizeof(struct acpi_ac));
+ return -ENOMEM;
- ac->handle = device->handle;
+ ac->device = device;
strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_AC_CLASS);
- acpi_driver_data(device) = ac;
+ device->driver_data = ac;
result = acpi_ac_get_state(ac);
if (result)
goto end;
- result = acpi_ac_add_fs(device);
+ ac->charger.name = acpi_device_bid(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ result = acpi_ac_add_fs(ac);
if (result)
goto end;
-
- status = acpi_install_notify_handler(ac->handle,
- ACPI_DEVICE_NOTIFY, acpi_ac_notify, ac);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
- result = -ENODEV;
+#endif
+ ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
+ ac->charger.properties = ac_props;
+ ac->charger.num_properties = ARRAY_SIZE(ac_props);
+ ac->charger.get_property = get_ac_property;
+ result = power_supply_register(&ac->device->dev, &ac->charger);
+ if (result)
goto end;
- }
- printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
- acpi_device_name(device), acpi_device_bid(device),
- ac->state?"on-line":"off-line");
+ printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
+ acpi_device_name(device), acpi_device_bid(device),
+ ac->state ? "on-line" : "off-line");
+ ac->battery_nb.notifier_call = acpi_ac_battery_notify;
+ register_acpi_notifier(&ac->battery_nb);
end:
if (result) {
- acpi_ac_remove_fs(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
kfree(ac);
}
- return_VALUE(result);
+ dmi_check_system(ac_dmi_table);
+ return result;
}
+#ifdef CONFIG_PM_SLEEP
+static int acpi_ac_resume(struct device *dev)
+{
+ struct acpi_ac *ac;
+ unsigned old_state;
+
+ if (!dev)
+ return -EINVAL;
+
+ ac = acpi_driver_data(to_acpi_device(dev));
+ if (!ac)
+ return -EINVAL;
+
+ old_state = ac->state;
+ if (acpi_ac_get_state(ac))
+ return 0;
+ if (old_state != ac->state)
+ kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+ return 0;
+}
+#else
+#define acpi_ac_resume NULL
+#endif
-static int
-acpi_ac_remove (
- struct acpi_device *device,
- int type)
+static int acpi_ac_remove(struct acpi_device *device)
{
- acpi_status status = AE_OK;
- struct acpi_ac *ac = NULL;
+ struct acpi_ac *ac = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
- ac = (struct acpi_ac *) acpi_driver_data(device);
+ ac = acpi_driver_data(device);
- status = acpi_remove_notify_handler(ac->handle,
- ACPI_DEVICE_NOTIFY, acpi_ac_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
+ if (ac->charger.dev)
+ power_supply_unregister(&ac->charger);
+ unregister_acpi_notifier(&ac->battery_nb);
- acpi_ac_remove_fs(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_remove_fs(ac);
+#endif
kfree(ac);
- return_VALUE(0);
+ return 0;
}
-
-static int __init
-acpi_ac_init (void)
+static int __init acpi_ac_init(void)
{
- int result = 0;
+ int result;
- ACPI_FUNCTION_TRACE("acpi_ac_init");
+ if (acpi_disabled)
+ return -ENODEV;
- acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir)
- return_VALUE(-ENODEV);
- acpi_ac_dir->owner = THIS_MODULE;
+ return -ENODEV;
+#endif
+
result = acpi_bus_register_driver(&acpi_ac_driver);
if (result < 0) {
- remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
-
-static void __exit
-acpi_ac_exit (void)
+static void __exit acpi_ac_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_ac_exit");
-
acpi_bus_unregister_driver(&acpi_ac_driver);
-
- remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
-
- return_VOID;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
}
-
-
module_init(acpi_ac_init);
module_exit(acpi_ac_exit);
diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c
new file mode 100644
index 00000000000..2da8660262e
--- /dev/null
+++ b/drivers/acpi/acpi_cmos_rtc.c
@@ -0,0 +1,90 @@
+/*
+ * ACPI support for CMOS RTC Address Space access
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Lan Tianyu <tianyu.lan@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm-generic/rtc.h>
+
+#include "internal.h"
+
+ACPI_MODULE_NAME("cmos rtc");
+
+static const struct acpi_device_id acpi_cmos_rtc_ids[] = {
+ { "PNP0B00" },
+ { "PNP0B01" },
+ { "PNP0B02" },
+ {}
+};
+
+static acpi_status
+acpi_cmos_rtc_space_handler(u32 function, acpi_physical_address address,
+ u32 bits, u64 *value64,
+ void *handler_context, void *region_context)
+{
+ int i;
+ u8 *value = (u8 *)&value64;
+
+ if (address > 0xff || !value64)
+ return AE_BAD_PARAMETER;
+
+ if (function != ACPI_WRITE && function != ACPI_READ)
+ return AE_BAD_PARAMETER;
+
+ spin_lock_irq(&rtc_lock);
+
+ for (i = 0; i < DIV_ROUND_UP(bits, 8); ++i, ++address, ++value)
+ if (function == ACPI_READ)
+ *value = CMOS_READ(address);
+ else
+ CMOS_WRITE(*value, address);
+
+ spin_unlock_irq(&rtc_lock);
+
+ return AE_OK;
+}
+
+static int acpi_install_cmos_rtc_space_handler(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ acpi_status status;
+
+ status = acpi_install_address_space_handler(adev->handle,
+ ACPI_ADR_SPACE_CMOS,
+ &acpi_cmos_rtc_space_handler,
+ NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ pr_err(PREFIX "Error installing CMOS-RTC region handler\n");
+ return -ENODEV;
+ }
+
+ return 1;
+}
+
+static void acpi_remove_cmos_rtc_space_handler(struct acpi_device *adev)
+{
+ if (ACPI_FAILURE(acpi_remove_address_space_handler(adev->handle,
+ ACPI_ADR_SPACE_CMOS, &acpi_cmos_rtc_space_handler)))
+ pr_err(PREFIX "Error removing CMOS-RTC region handler\n");
+}
+
+static struct acpi_scan_handler cmos_rtc_handler = {
+ .ids = acpi_cmos_rtc_ids,
+ .attach = acpi_install_cmos_rtc_space_handler,
+ .detach = acpi_remove_cmos_rtc_space_handler,
+};
+
+void __init acpi_cmos_rtc_init(void)
+{
+ acpi_scan_add_handler(&cmos_rtc_handler);
+}
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
new file mode 100644
index 00000000000..185334114d7
--- /dev/null
+++ b/drivers/acpi/acpi_extlog.c
@@ -0,0 +1,303 @@
+/*
+ * Extended Error Log driver
+ *
+ * Copyright (C) 2013 Intel Corp.
+ * Author: Chen, Gong <gong.chen@intel.com>
+ *
+ * This file is licensed under GPLv2.
+ */
+
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/cper.h>
+#include <linux/ratelimit.h>
+#include <linux/edac.h>
+#include <asm/cpu.h>
+#include <asm/mce.h>
+
+#include "apei/apei-internal.h"
+
+#define EXT_ELOG_ENTRY_MASK GENMASK_ULL(51, 0) /* elog entry address mask */
+
+#define EXTLOG_DSM_REV 0x0
+#define EXTLOG_FN_ADDR 0x1
+
+#define FLAG_OS_OPTIN BIT(0)
+#define ELOG_ENTRY_VALID (1ULL<<63)
+#define ELOG_ENTRY_LEN 0x1000
+
+#define EMCA_BUG \
+ "Can not request iomem region <0x%016llx-0x%016llx> - eMCA disabled\n"
+
+struct extlog_l1_head {
+ u32 ver; /* Header Version */
+ u32 hdr_len; /* Header Length */
+ u64 total_len; /* entire L1 Directory length including this header */
+ u64 elog_base; /* MCA Error Log Directory base address */
+ u64 elog_len; /* MCA Error Log Directory length */
+ u32 flags; /* bit 0 - OS/VMM Opt-in */
+ u8 rev0[12];
+ u32 entries; /* Valid L1 Directory entries per logical processor */
+ u8 rev1[12];
+};
+
+static int old_edac_report_status;
+
+static u8 extlog_dsm_uuid[] __initdata = "663E35AF-CC10-41A4-88EA-5470AF055295";
+
+/* L1 table related physical address */
+static u64 elog_base;
+static size_t elog_size;
+static u64 l1_dirbase;
+static size_t l1_size;
+
+/* L1 table related virtual address */
+static void __iomem *extlog_l1_addr;
+static void __iomem *elog_addr;
+
+static void *elog_buf;
+
+static u64 *l1_entry_base;
+static u32 l1_percpu_entry;
+
+#define ELOG_IDX(cpu, bank) \
+ (cpu_physical_id(cpu) * l1_percpu_entry + (bank))
+
+#define ELOG_ENTRY_DATA(idx) \
+ (*(l1_entry_base + (idx)))
+
+#define ELOG_ENTRY_ADDR(phyaddr) \
+ (phyaddr - elog_base + (u8 *)elog_addr)
+
+static struct acpi_generic_status *extlog_elog_entry_check(int cpu, int bank)
+{
+ int idx;
+ u64 data;
+ struct acpi_generic_status *estatus;
+
+ WARN_ON(cpu < 0);
+ idx = ELOG_IDX(cpu, bank);
+ data = ELOG_ENTRY_DATA(idx);
+ if ((data & ELOG_ENTRY_VALID) == 0)
+ return NULL;
+
+ data &= EXT_ELOG_ENTRY_MASK;
+ estatus = (struct acpi_generic_status *)ELOG_ENTRY_ADDR(data);
+
+ /* if no valid data in elog entry, just return */
+ if (estatus->block_status == 0)
+ return NULL;
+
+ return estatus;
+}
+
+static void __print_extlog_rcd(const char *pfx,
+ struct acpi_generic_status *estatus, int cpu)
+{
+ static atomic_t seqno;
+ unsigned int curr_seqno;
+ char pfx_seq[64];
+
+ if (!pfx) {
+ if (estatus->error_severity <= CPER_SEV_CORRECTED)
+ pfx = KERN_INFO;
+ else
+ pfx = KERN_ERR;
+ }
+ curr_seqno = atomic_inc_return(&seqno);
+ snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}", pfx, curr_seqno);
+ printk("%s""Hardware error detected on CPU%d\n", pfx_seq, cpu);
+ cper_estatus_print(pfx_seq, estatus);
+}
+
+static int print_extlog_rcd(const char *pfx,
+ struct acpi_generic_status *estatus, int cpu)
+{
+ /* Not more than 2 messages every 5 seconds */
+ static DEFINE_RATELIMIT_STATE(ratelimit_corrected, 5*HZ, 2);
+ static DEFINE_RATELIMIT_STATE(ratelimit_uncorrected, 5*HZ, 2);
+ struct ratelimit_state *ratelimit;
+
+ if (estatus->error_severity == CPER_SEV_CORRECTED ||
+ (estatus->error_severity == CPER_SEV_INFORMATIONAL))
+ ratelimit = &ratelimit_corrected;
+ else
+ ratelimit = &ratelimit_uncorrected;
+ if (__ratelimit(ratelimit)) {
+ __print_extlog_rcd(pfx, estatus, cpu);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int extlog_print(struct notifier_block *nb, unsigned long val,
+ void *data)
+{
+ struct mce *mce = (struct mce *)data;
+ int bank = mce->bank;
+ int cpu = mce->extcpu;
+ struct acpi_generic_status *estatus;
+ int rc;
+
+ estatus = extlog_elog_entry_check(cpu, bank);
+ if (estatus == NULL)
+ return NOTIFY_DONE;
+
+ memcpy(elog_buf, (void *)estatus, ELOG_ENTRY_LEN);
+ /* clear record status to enable BIOS to update it again */
+ estatus->block_status = 0;
+
+ rc = print_extlog_rcd(NULL, (struct acpi_generic_status *)elog_buf, cpu);
+
+ return NOTIFY_STOP;
+}
+
+static bool __init extlog_get_l1addr(void)
+{
+ u8 uuid[16];
+ acpi_handle handle;
+ union acpi_object *obj;
+
+ acpi_str_to_uuid(extlog_dsm_uuid, uuid);
+
+ if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
+ return false;
+ if (!acpi_check_dsm(handle, uuid, EXTLOG_DSM_REV, 1 << EXTLOG_FN_ADDR))
+ return false;
+ obj = acpi_evaluate_dsm_typed(handle, uuid, EXTLOG_DSM_REV,
+ EXTLOG_FN_ADDR, NULL, ACPI_TYPE_INTEGER);
+ if (!obj) {
+ return false;
+ } else {
+ l1_dirbase = obj->integer.value;
+ ACPI_FREE(obj);
+ }
+
+ /* Spec says L1 directory must be 4K aligned, bail out if it isn't */
+ if (l1_dirbase & ((1 << 12) - 1)) {
+ pr_warn(FW_BUG "L1 Directory is invalid at physical %llx\n",
+ l1_dirbase);
+ return false;
+ }
+
+ return true;
+}
+static struct notifier_block extlog_mce_dec = {
+ .notifier_call = extlog_print,
+};
+
+static int __init extlog_init(void)
+{
+ struct extlog_l1_head *l1_head;
+ void __iomem *extlog_l1_hdr;
+ size_t l1_hdr_size;
+ struct resource *r;
+ u64 cap;
+ int rc;
+
+ if (get_edac_report_status() == EDAC_REPORTING_FORCE) {
+ pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n");
+ return -EPERM;
+ }
+
+ rc = -ENODEV;
+ rdmsrl(MSR_IA32_MCG_CAP, cap);
+ if (!(cap & MCG_ELOG_P))
+ return rc;
+
+ if (!extlog_get_l1addr())
+ return rc;
+
+ rc = -EINVAL;
+ /* get L1 header to fetch necessary information */
+ l1_hdr_size = sizeof(struct extlog_l1_head);
+ r = request_mem_region(l1_dirbase, l1_hdr_size, "L1 DIR HDR");
+ if (!r) {
+ pr_warn(FW_BUG EMCA_BUG,
+ (unsigned long long)l1_dirbase,
+ (unsigned long long)l1_dirbase + l1_hdr_size);
+ goto err;
+ }
+
+ extlog_l1_hdr = acpi_os_map_iomem(l1_dirbase, l1_hdr_size);
+ l1_head = (struct extlog_l1_head *)extlog_l1_hdr;
+ l1_size = l1_head->total_len;
+ l1_percpu_entry = l1_head->entries;
+ elog_base = l1_head->elog_base;
+ elog_size = l1_head->elog_len;
+ acpi_os_unmap_iomem(extlog_l1_hdr, l1_hdr_size);
+ release_mem_region(l1_dirbase, l1_hdr_size);
+
+ /* remap L1 header again based on completed information */
+ r = request_mem_region(l1_dirbase, l1_size, "L1 Table");
+ if (!r) {
+ pr_warn(FW_BUG EMCA_BUG,
+ (unsigned long long)l1_dirbase,
+ (unsigned long long)l1_dirbase + l1_size);
+ goto err;
+ }
+ extlog_l1_addr = acpi_os_map_iomem(l1_dirbase, l1_size);
+ l1_entry_base = (u64 *)((u8 *)extlog_l1_addr + l1_hdr_size);
+
+ /* remap elog table */
+ r = request_mem_region(elog_base, elog_size, "Elog Table");
+ if (!r) {
+ pr_warn(FW_BUG EMCA_BUG,
+ (unsigned long long)elog_base,
+ (unsigned long long)elog_base + elog_size);
+ goto err_release_l1_dir;
+ }
+ elog_addr = acpi_os_map_iomem(elog_base, elog_size);
+
+ rc = -ENOMEM;
+ /* allocate buffer to save elog record */
+ elog_buf = kmalloc(ELOG_ENTRY_LEN, GFP_KERNEL);
+ if (elog_buf == NULL)
+ goto err_release_elog;
+
+ /*
+ * eMCA event report method has higher priority than EDAC method,
+ * unless EDAC event report method is mandatory.
+ */
+ old_edac_report_status = get_edac_report_status();
+ set_edac_report_status(EDAC_REPORTING_DISABLED);
+ mce_register_decode_chain(&extlog_mce_dec);
+ /* enable OS to be involved to take over management from BIOS */
+ ((struct extlog_l1_head *)extlog_l1_addr)->flags |= FLAG_OS_OPTIN;
+
+ return 0;
+
+err_release_elog:
+ if (elog_addr)
+ acpi_os_unmap_iomem(elog_addr, elog_size);
+ release_mem_region(elog_base, elog_size);
+err_release_l1_dir:
+ if (extlog_l1_addr)
+ acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
+ release_mem_region(l1_dirbase, l1_size);
+err:
+ pr_warn(FW_BUG "Extended error log disabled because of problems parsing f/w tables\n");
+ return rc;
+}
+
+static void __exit extlog_exit(void)
+{
+ set_edac_report_status(old_edac_report_status);
+ mce_unregister_decode_chain(&extlog_mce_dec);
+ ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
+ if (extlog_l1_addr)
+ acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
+ if (elog_addr)
+ acpi_os_unmap_iomem(elog_addr, elog_size);
+ release_mem_region(elog_base, elog_size);
+ release_mem_region(l1_dirbase, l1_size);
+ kfree(elog_buf);
+}
+
+module_init(extlog_init);
+module_exit(extlog_exit);
+
+MODULE_AUTHOR("Chen, Gong <gong.chen@intel.com>");
+MODULE_DESCRIPTION("Extended MCA Error Log Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c
new file mode 100644
index 00000000000..ac0f52f6df2
--- /dev/null
+++ b/drivers/acpi/acpi_ipmi.c
@@ -0,0 +1,661 @@
+/*
+ * acpi_ipmi.c - ACPI IPMI opregion
+ *
+ * Copyright (C) 2010, 2013 Intel Corporation
+ * Author: Zhao Yakui <yakui.zhao@intel.com>
+ * Lv Zheng <lv.zheng@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/ipmi.h>
+#include <linux/spinlock.h>
+
+MODULE_AUTHOR("Zhao Yakui");
+MODULE_DESCRIPTION("ACPI IPMI Opregion driver");
+MODULE_LICENSE("GPL");
+
+#define ACPI_IPMI_OK 0
+#define ACPI_IPMI_TIMEOUT 0x10
+#define ACPI_IPMI_UNKNOWN 0x07
+/* the IPMI timeout is 5s */
+#define IPMI_TIMEOUT (5000)
+#define ACPI_IPMI_MAX_MSG_LENGTH 64
+
+struct acpi_ipmi_device {
+ /* the device list attached to driver_data.ipmi_devices */
+ struct list_head head;
+
+ /* the IPMI request message list */
+ struct list_head tx_msg_list;
+
+ spinlock_t tx_msg_lock;
+ acpi_handle handle;
+ struct device *dev;
+ ipmi_user_t user_interface;
+ int ipmi_ifnum; /* IPMI interface number */
+ long curr_msgid;
+ bool dead;
+ struct kref kref;
+};
+
+struct ipmi_driver_data {
+ struct list_head ipmi_devices;
+ struct ipmi_smi_watcher bmc_events;
+ struct ipmi_user_hndl ipmi_hndlrs;
+ struct mutex ipmi_lock;
+
+ /*
+ * NOTE: IPMI System Interface Selection
+ * There is no system interface specified by the IPMI operation
+ * region access. We try to select one system interface with ACPI
+ * handle set. IPMI messages passed from the ACPI codes are sent
+ * to this selected global IPMI system interface.
+ */
+ struct acpi_ipmi_device *selected_smi;
+};
+
+struct acpi_ipmi_msg {
+ struct list_head head;
+
+ /*
+ * General speaking the addr type should be SI_ADDR_TYPE. And
+ * the addr channel should be BMC.
+ * In fact it can also be IPMB type. But we will have to
+ * parse it from the Netfn command buffer. It is so complex
+ * that it is skipped.
+ */
+ struct ipmi_addr addr;
+ long tx_msgid;
+
+ /* it is used to track whether the IPMI message is finished */
+ struct completion tx_complete;
+
+ struct kernel_ipmi_msg tx_message;
+ int msg_done;
+
+ /* tx/rx data . And copy it from/to ACPI object buffer */
+ u8 data[ACPI_IPMI_MAX_MSG_LENGTH];
+ u8 rx_len;
+
+ struct acpi_ipmi_device *device;
+ struct kref kref;
+};
+
+/* IPMI request/response buffer per ACPI 4.0, sec 5.5.2.4.3.2 */
+struct acpi_ipmi_buffer {
+ u8 status;
+ u8 length;
+ u8 data[ACPI_IPMI_MAX_MSG_LENGTH];
+};
+
+static void ipmi_register_bmc(int iface, struct device *dev);
+static void ipmi_bmc_gone(int iface);
+static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data);
+
+static struct ipmi_driver_data driver_data = {
+ .ipmi_devices = LIST_HEAD_INIT(driver_data.ipmi_devices),
+ .bmc_events = {
+ .owner = THIS_MODULE,
+ .new_smi = ipmi_register_bmc,
+ .smi_gone = ipmi_bmc_gone,
+ },
+ .ipmi_hndlrs = {
+ .ipmi_recv_hndl = ipmi_msg_handler,
+ },
+ .ipmi_lock = __MUTEX_INITIALIZER(driver_data.ipmi_lock)
+};
+
+static struct acpi_ipmi_device *
+ipmi_dev_alloc(int iface, struct device *dev, acpi_handle handle)
+{
+ struct acpi_ipmi_device *ipmi_device;
+ int err;
+ ipmi_user_t user;
+
+ ipmi_device = kzalloc(sizeof(*ipmi_device), GFP_KERNEL);
+ if (!ipmi_device)
+ return NULL;
+
+ kref_init(&ipmi_device->kref);
+ INIT_LIST_HEAD(&ipmi_device->head);
+ INIT_LIST_HEAD(&ipmi_device->tx_msg_list);
+ spin_lock_init(&ipmi_device->tx_msg_lock);
+ ipmi_device->handle = handle;
+ ipmi_device->dev = get_device(dev);
+ ipmi_device->ipmi_ifnum = iface;
+
+ err = ipmi_create_user(iface, &driver_data.ipmi_hndlrs,
+ ipmi_device, &user);
+ if (err) {
+ put_device(dev);
+ kfree(ipmi_device);
+ return NULL;
+ }
+ ipmi_device->user_interface = user;
+
+ return ipmi_device;
+}
+
+static void ipmi_dev_release(struct acpi_ipmi_device *ipmi_device)
+{
+ ipmi_destroy_user(ipmi_device->user_interface);
+ put_device(ipmi_device->dev);
+ kfree(ipmi_device);
+}
+
+static void ipmi_dev_release_kref(struct kref *kref)
+{
+ struct acpi_ipmi_device *ipmi =
+ container_of(kref, struct acpi_ipmi_device, kref);
+
+ ipmi_dev_release(ipmi);
+}
+
+static void __ipmi_dev_kill(struct acpi_ipmi_device *ipmi_device)
+{
+ list_del(&ipmi_device->head);
+ if (driver_data.selected_smi == ipmi_device)
+ driver_data.selected_smi = NULL;
+
+ /*
+ * Always setting dead flag after deleting from the list or
+ * list_for_each_entry() codes must get changed.
+ */
+ ipmi_device->dead = true;
+}
+
+static struct acpi_ipmi_device *acpi_ipmi_dev_get(void)
+{
+ struct acpi_ipmi_device *ipmi_device = NULL;
+
+ mutex_lock(&driver_data.ipmi_lock);
+ if (driver_data.selected_smi) {
+ ipmi_device = driver_data.selected_smi;
+ kref_get(&ipmi_device->kref);
+ }
+ mutex_unlock(&driver_data.ipmi_lock);
+
+ return ipmi_device;
+}
+
+static void acpi_ipmi_dev_put(struct acpi_ipmi_device *ipmi_device)
+{
+ kref_put(&ipmi_device->kref, ipmi_dev_release_kref);
+}
+
+static struct acpi_ipmi_msg *ipmi_msg_alloc(void)
+{
+ struct acpi_ipmi_device *ipmi;
+ struct acpi_ipmi_msg *ipmi_msg;
+
+ ipmi = acpi_ipmi_dev_get();
+ if (!ipmi)
+ return NULL;
+
+ ipmi_msg = kzalloc(sizeof(struct acpi_ipmi_msg), GFP_KERNEL);
+ if (!ipmi_msg) {
+ acpi_ipmi_dev_put(ipmi);
+ return NULL;
+ }
+
+ kref_init(&ipmi_msg->kref);
+ init_completion(&ipmi_msg->tx_complete);
+ INIT_LIST_HEAD(&ipmi_msg->head);
+ ipmi_msg->device = ipmi;
+ ipmi_msg->msg_done = ACPI_IPMI_UNKNOWN;
+
+ return ipmi_msg;
+}
+
+static void ipmi_msg_release(struct acpi_ipmi_msg *tx_msg)
+{
+ acpi_ipmi_dev_put(tx_msg->device);
+ kfree(tx_msg);
+}
+
+static void ipmi_msg_release_kref(struct kref *kref)
+{
+ struct acpi_ipmi_msg *tx_msg =
+ container_of(kref, struct acpi_ipmi_msg, kref);
+
+ ipmi_msg_release(tx_msg);
+}
+
+static struct acpi_ipmi_msg *acpi_ipmi_msg_get(struct acpi_ipmi_msg *tx_msg)
+{
+ kref_get(&tx_msg->kref);
+
+ return tx_msg;
+}
+
+static void acpi_ipmi_msg_put(struct acpi_ipmi_msg *tx_msg)
+{
+ kref_put(&tx_msg->kref, ipmi_msg_release_kref);
+}
+
+#define IPMI_OP_RGN_NETFN(offset) ((offset >> 8) & 0xff)
+#define IPMI_OP_RGN_CMD(offset) (offset & 0xff)
+static int acpi_format_ipmi_request(struct acpi_ipmi_msg *tx_msg,
+ acpi_physical_address address,
+ acpi_integer *value)
+{
+ struct kernel_ipmi_msg *msg;
+ struct acpi_ipmi_buffer *buffer;
+ struct acpi_ipmi_device *device;
+ unsigned long flags;
+
+ msg = &tx_msg->tx_message;
+
+ /*
+ * IPMI network function and command are encoded in the address
+ * within the IPMI OpRegion; see ACPI 4.0, sec 5.5.2.4.3.
+ */
+ msg->netfn = IPMI_OP_RGN_NETFN(address);
+ msg->cmd = IPMI_OP_RGN_CMD(address);
+ msg->data = tx_msg->data;
+
+ /*
+ * value is the parameter passed by the IPMI opregion space handler.
+ * It points to the IPMI request message buffer
+ */
+ buffer = (struct acpi_ipmi_buffer *)value;
+
+ /* copy the tx message data */
+ if (buffer->length > ACPI_IPMI_MAX_MSG_LENGTH) {
+ dev_WARN_ONCE(tx_msg->device->dev, true,
+ "Unexpected request (msg len %d).\n",
+ buffer->length);
+ return -EINVAL;
+ }
+ msg->data_len = buffer->length;
+ memcpy(tx_msg->data, buffer->data, msg->data_len);
+
+ /*
+ * now the default type is SYSTEM_INTERFACE and channel type is BMC.
+ * If the netfn is APP_REQUEST and the cmd is SEND_MESSAGE,
+ * the addr type should be changed to IPMB. Then we will have to parse
+ * the IPMI request message buffer to get the IPMB address.
+ * If so, please fix me.
+ */
+ tx_msg->addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ tx_msg->addr.channel = IPMI_BMC_CHANNEL;
+ tx_msg->addr.data[0] = 0;
+
+ /* Get the msgid */
+ device = tx_msg->device;
+
+ spin_lock_irqsave(&device->tx_msg_lock, flags);
+ device->curr_msgid++;
+ tx_msg->tx_msgid = device->curr_msgid;
+ spin_unlock_irqrestore(&device->tx_msg_lock, flags);
+
+ return 0;
+}
+
+static void acpi_format_ipmi_response(struct acpi_ipmi_msg *msg,
+ acpi_integer *value)
+{
+ struct acpi_ipmi_buffer *buffer;
+
+ /*
+ * value is also used as output parameter. It represents the response
+ * IPMI message returned by IPMI command.
+ */
+ buffer = (struct acpi_ipmi_buffer *)value;
+
+ /*
+ * If the flag of msg_done is not set, it means that the IPMI command is
+ * not executed correctly.
+ */
+ buffer->status = msg->msg_done;
+ if (msg->msg_done != ACPI_IPMI_OK)
+ return;
+
+ /*
+ * If the IPMI response message is obtained correctly, the status code
+ * will be ACPI_IPMI_OK
+ */
+ buffer->length = msg->rx_len;
+ memcpy(buffer->data, msg->data, msg->rx_len);
+}
+
+static void ipmi_flush_tx_msg(struct acpi_ipmi_device *ipmi)
+{
+ struct acpi_ipmi_msg *tx_msg;
+ unsigned long flags;
+
+ /*
+ * NOTE: On-going ipmi_recv_msg
+ * ipmi_msg_handler() may still be invoked by ipmi_si after
+ * flushing. But it is safe to do a fast flushing on module_exit()
+ * without waiting for all ipmi_recv_msg(s) to complete from
+ * ipmi_msg_handler() as it is ensured by ipmi_si that all
+ * ipmi_recv_msg(s) are freed after invoking ipmi_destroy_user().
+ */
+ spin_lock_irqsave(&ipmi->tx_msg_lock, flags);
+ while (!list_empty(&ipmi->tx_msg_list)) {
+ tx_msg = list_first_entry(&ipmi->tx_msg_list,
+ struct acpi_ipmi_msg,
+ head);
+ list_del(&tx_msg->head);
+ spin_unlock_irqrestore(&ipmi->tx_msg_lock, flags);
+
+ /* wake up the sleep thread on the Tx msg */
+ complete(&tx_msg->tx_complete);
+ acpi_ipmi_msg_put(tx_msg);
+ spin_lock_irqsave(&ipmi->tx_msg_lock, flags);
+ }
+ spin_unlock_irqrestore(&ipmi->tx_msg_lock, flags);
+}
+
+static void ipmi_cancel_tx_msg(struct acpi_ipmi_device *ipmi,
+ struct acpi_ipmi_msg *msg)
+{
+ struct acpi_ipmi_msg *tx_msg, *temp;
+ bool msg_found = false;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ipmi->tx_msg_lock, flags);
+ list_for_each_entry_safe(tx_msg, temp, &ipmi->tx_msg_list, head) {
+ if (msg == tx_msg) {
+ msg_found = true;
+ list_del(&tx_msg->head);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&ipmi->tx_msg_lock, flags);
+
+ if (msg_found)
+ acpi_ipmi_msg_put(tx_msg);
+}
+
+static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data)
+{
+ struct acpi_ipmi_device *ipmi_device = user_msg_data;
+ bool msg_found = false;
+ struct acpi_ipmi_msg *tx_msg, *temp;
+ struct device *dev = ipmi_device->dev;
+ unsigned long flags;
+
+ if (msg->user != ipmi_device->user_interface) {
+ dev_warn(dev,
+ "Unexpected response is returned. returned user %p, expected user %p\n",
+ msg->user, ipmi_device->user_interface);
+ goto out_msg;
+ }
+
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
+ list_for_each_entry_safe(tx_msg, temp, &ipmi_device->tx_msg_list, head) {
+ if (msg->msgid == tx_msg->tx_msgid) {
+ msg_found = true;
+ list_del(&tx_msg->head);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
+
+ if (!msg_found) {
+ dev_warn(dev,
+ "Unexpected response (msg id %ld) is returned.\n",
+ msg->msgid);
+ goto out_msg;
+ }
+
+ /* copy the response data to Rx_data buffer */
+ if (msg->msg.data_len > ACPI_IPMI_MAX_MSG_LENGTH) {
+ dev_WARN_ONCE(dev, true,
+ "Unexpected response (msg len %d).\n",
+ msg->msg.data_len);
+ goto out_comp;
+ }
+
+ /* response msg is an error msg */
+ msg->recv_type = IPMI_RESPONSE_RECV_TYPE;
+ if (msg->recv_type == IPMI_RESPONSE_RECV_TYPE &&
+ msg->msg.data_len == 1) {
+ if (msg->msg.data[0] == IPMI_TIMEOUT_COMPLETION_CODE) {
+ dev_WARN_ONCE(dev, true,
+ "Unexpected response (timeout).\n");
+ tx_msg->msg_done = ACPI_IPMI_TIMEOUT;
+ }
+ goto out_comp;
+ }
+
+ tx_msg->rx_len = msg->msg.data_len;
+ memcpy(tx_msg->data, msg->msg.data, tx_msg->rx_len);
+ tx_msg->msg_done = ACPI_IPMI_OK;
+
+out_comp:
+ complete(&tx_msg->tx_complete);
+ acpi_ipmi_msg_put(tx_msg);
+out_msg:
+ ipmi_free_recv_msg(msg);
+}
+
+static void ipmi_register_bmc(int iface, struct device *dev)
+{
+ struct acpi_ipmi_device *ipmi_device, *temp;
+ int err;
+ struct ipmi_smi_info smi_data;
+ acpi_handle handle;
+
+ err = ipmi_get_smi_info(iface, &smi_data);
+ if (err)
+ return;
+
+ if (smi_data.addr_src != SI_ACPI)
+ goto err_ref;
+ handle = smi_data.addr_info.acpi_info.acpi_handle;
+ if (!handle)
+ goto err_ref;
+
+ ipmi_device = ipmi_dev_alloc(iface, smi_data.dev, handle);
+ if (!ipmi_device) {
+ dev_warn(smi_data.dev, "Can't create IPMI user interface\n");
+ goto err_ref;
+ }
+
+ mutex_lock(&driver_data.ipmi_lock);
+ list_for_each_entry(temp, &driver_data.ipmi_devices, head) {
+ /*
+ * if the corresponding ACPI handle is already added
+ * to the device list, don't add it again.
+ */
+ if (temp->handle == handle)
+ goto err_lock;
+ }
+ if (!driver_data.selected_smi)
+ driver_data.selected_smi = ipmi_device;
+ list_add_tail(&ipmi_device->head, &driver_data.ipmi_devices);
+ mutex_unlock(&driver_data.ipmi_lock);
+
+ put_device(smi_data.dev);
+ return;
+
+err_lock:
+ mutex_unlock(&driver_data.ipmi_lock);
+ ipmi_dev_release(ipmi_device);
+err_ref:
+ put_device(smi_data.dev);
+ return;
+}
+
+static void ipmi_bmc_gone(int iface)
+{
+ struct acpi_ipmi_device *ipmi_device, *temp;
+ bool dev_found = false;
+
+ mutex_lock(&driver_data.ipmi_lock);
+ list_for_each_entry_safe(ipmi_device, temp,
+ &driver_data.ipmi_devices, head) {
+ if (ipmi_device->ipmi_ifnum != iface) {
+ dev_found = true;
+ __ipmi_dev_kill(ipmi_device);
+ break;
+ }
+ }
+ if (!driver_data.selected_smi)
+ driver_data.selected_smi = list_first_entry_or_null(
+ &driver_data.ipmi_devices,
+ struct acpi_ipmi_device, head);
+ mutex_unlock(&driver_data.ipmi_lock);
+
+ if (dev_found) {
+ ipmi_flush_tx_msg(ipmi_device);
+ acpi_ipmi_dev_put(ipmi_device);
+ }
+}
+
+/*
+ * This is the IPMI opregion space handler.
+ * @function: indicates the read/write. In fact as the IPMI message is driven
+ * by command, only write is meaningful.
+ * @address: This contains the netfn/command of IPMI request message.
+ * @bits : not used.
+ * @value : it is an in/out parameter. It points to the IPMI message buffer.
+ * Before the IPMI message is sent, it represents the actual request
+ * IPMI message. After the IPMI message is finished, it represents
+ * the response IPMI message returned by IPMI command.
+ * @handler_context: IPMI device context.
+ */
+static acpi_status
+acpi_ipmi_space_handler(u32 function, acpi_physical_address address,
+ u32 bits, acpi_integer *value,
+ void *handler_context, void *region_context)
+{
+ struct acpi_ipmi_msg *tx_msg;
+ struct acpi_ipmi_device *ipmi_device;
+ int err;
+ acpi_status status;
+ unsigned long flags;
+
+ /*
+ * IPMI opregion message.
+ * IPMI message is firstly written to the BMC and system software
+ * can get the respsonse. So it is unmeaningful for the read access
+ * of IPMI opregion.
+ */
+ if ((function & ACPI_IO_MASK) == ACPI_READ)
+ return AE_TYPE;
+
+ tx_msg = ipmi_msg_alloc();
+ if (!tx_msg)
+ return AE_NOT_EXIST;
+ ipmi_device = tx_msg->device;
+
+ if (acpi_format_ipmi_request(tx_msg, address, value) != 0) {
+ ipmi_msg_release(tx_msg);
+ return AE_TYPE;
+ }
+
+ acpi_ipmi_msg_get(tx_msg);
+ mutex_lock(&driver_data.ipmi_lock);
+ /* Do not add a tx_msg that can not be flushed. */
+ if (ipmi_device->dead) {
+ mutex_unlock(&driver_data.ipmi_lock);
+ ipmi_msg_release(tx_msg);
+ return AE_NOT_EXIST;
+ }
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
+ list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
+ mutex_unlock(&driver_data.ipmi_lock);
+
+ err = ipmi_request_settime(ipmi_device->user_interface,
+ &tx_msg->addr,
+ tx_msg->tx_msgid,
+ &tx_msg->tx_message,
+ NULL, 0, 0, IPMI_TIMEOUT);
+ if (err) {
+ status = AE_ERROR;
+ goto out_msg;
+ }
+ wait_for_completion(&tx_msg->tx_complete);
+
+ acpi_format_ipmi_response(tx_msg, value);
+ status = AE_OK;
+
+out_msg:
+ ipmi_cancel_tx_msg(ipmi_device, tx_msg);
+ acpi_ipmi_msg_put(tx_msg);
+ return status;
+}
+
+static int __init acpi_ipmi_init(void)
+{
+ int result;
+ acpi_status status;
+
+ if (acpi_disabled)
+ return 0;
+
+ status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT,
+ ACPI_ADR_SPACE_IPMI,
+ &acpi_ipmi_space_handler,
+ NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ pr_warn("Can't register IPMI opregion space handle\n");
+ return -EINVAL;
+ }
+ result = ipmi_smi_watcher_register(&driver_data.bmc_events);
+ if (result)
+ pr_err("Can't register IPMI system interface watcher\n");
+
+ return result;
+}
+
+static void __exit acpi_ipmi_exit(void)
+{
+ struct acpi_ipmi_device *ipmi_device;
+
+ if (acpi_disabled)
+ return;
+
+ ipmi_smi_watcher_unregister(&driver_data.bmc_events);
+
+ /*
+ * When one smi_watcher is unregistered, it is only deleted
+ * from the smi_watcher list. But the smi_gone callback function
+ * is not called. So explicitly uninstall the ACPI IPMI oregion
+ * handler and free it.
+ */
+ mutex_lock(&driver_data.ipmi_lock);
+ while (!list_empty(&driver_data.ipmi_devices)) {
+ ipmi_device = list_first_entry(&driver_data.ipmi_devices,
+ struct acpi_ipmi_device,
+ head);
+ __ipmi_dev_kill(ipmi_device);
+ mutex_unlock(&driver_data.ipmi_lock);
+
+ ipmi_flush_tx_msg(ipmi_device);
+ acpi_ipmi_dev_put(ipmi_device);
+
+ mutex_lock(&driver_data.ipmi_lock);
+ }
+ mutex_unlock(&driver_data.ipmi_lock);
+ acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
+ ACPI_ADR_SPACE_IPMI,
+ &acpi_ipmi_space_handler);
+}
+
+module_init(acpi_ipmi_init);
+module_exit(acpi_ipmi_exit);
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
new file mode 100644
index 00000000000..9cb65b0e759
--- /dev/null
+++ b/drivers/acpi/acpi_lpss.c
@@ -0,0 +1,738 @@
+/*
+ * ACPI support for Intel Lynxpoint LPSS.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/clk-lpss.h>
+#include <linux/pm_runtime.h>
+#include <linux/delay.h>
+
+#include "internal.h"
+
+ACPI_MODULE_NAME("acpi_lpss");
+
+#ifdef CONFIG_X86_INTEL_LPSS
+
+#define LPSS_ADDR(desc) ((unsigned long)&desc)
+
+#define LPSS_CLK_SIZE 0x04
+#define LPSS_LTR_SIZE 0x18
+
+/* Offsets relative to LPSS_PRIVATE_OFFSET */
+#define LPSS_CLK_DIVIDER_DEF_MASK (BIT(1) | BIT(16))
+#define LPSS_RESETS 0x04
+#define LPSS_RESETS_RESET_FUNC BIT(0)
+#define LPSS_RESETS_RESET_APB BIT(1)
+#define LPSS_GENERAL 0x08
+#define LPSS_GENERAL_LTR_MODE_SW BIT(2)
+#define LPSS_GENERAL_UART_RTS_OVRD BIT(3)
+#define LPSS_SW_LTR 0x10
+#define LPSS_AUTO_LTR 0x14
+#define LPSS_LTR_SNOOP_REQ BIT(15)
+#define LPSS_LTR_SNOOP_MASK 0x0000FFFF
+#define LPSS_LTR_SNOOP_LAT_1US 0x800
+#define LPSS_LTR_SNOOP_LAT_32US 0xC00
+#define LPSS_LTR_SNOOP_LAT_SHIFT 5
+#define LPSS_LTR_SNOOP_LAT_CUTOFF 3000
+#define LPSS_LTR_MAX_VAL 0x3FF
+#define LPSS_TX_INT 0x20
+#define LPSS_TX_INT_MASK BIT(1)
+
+#define LPSS_PRV_REG_COUNT 9
+
+struct lpss_shared_clock {
+ const char *name;
+ unsigned long rate;
+ struct clk *clk;
+};
+
+struct lpss_private_data;
+
+struct lpss_device_desc {
+ bool clk_required;
+ const char *clkdev_name;
+ bool ltr_required;
+ unsigned int prv_offset;
+ size_t prv_size_override;
+ bool clk_divider;
+ bool clk_gate;
+ bool save_ctx;
+ struct lpss_shared_clock *shared_clock;
+ void (*setup)(struct lpss_private_data *pdata);
+};
+
+static struct lpss_device_desc lpss_dma_desc = {
+ .clk_required = true,
+ .clkdev_name = "hclk",
+};
+
+struct lpss_private_data {
+ void __iomem *mmio_base;
+ resource_size_t mmio_size;
+ struct clk *clk;
+ const struct lpss_device_desc *dev_desc;
+ u32 prv_reg_ctx[LPSS_PRV_REG_COUNT];
+};
+
+static void lpss_uart_setup(struct lpss_private_data *pdata)
+{
+ unsigned int offset;
+ u32 reg;
+
+ offset = pdata->dev_desc->prv_offset + LPSS_TX_INT;
+ reg = readl(pdata->mmio_base + offset);
+ writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + offset);
+
+ offset = pdata->dev_desc->prv_offset + LPSS_GENERAL;
+ reg = readl(pdata->mmio_base + offset);
+ writel(reg | LPSS_GENERAL_UART_RTS_OVRD, pdata->mmio_base + offset);
+}
+
+static void lpss_i2c_setup(struct lpss_private_data *pdata)
+{
+ unsigned int offset;
+ u32 val;
+
+ offset = pdata->dev_desc->prv_offset + LPSS_RESETS;
+ val = readl(pdata->mmio_base + offset);
+ val |= LPSS_RESETS_RESET_APB | LPSS_RESETS_RESET_FUNC;
+ writel(val, pdata->mmio_base + offset);
+}
+
+static struct lpss_device_desc lpt_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .ltr_required = true,
+ .clk_divider = true,
+ .clk_gate = true,
+};
+
+static struct lpss_device_desc lpt_i2c_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .ltr_required = true,
+ .clk_gate = true,
+};
+
+static struct lpss_device_desc lpt_uart_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .ltr_required = true,
+ .clk_divider = true,
+ .clk_gate = true,
+ .setup = lpss_uart_setup,
+};
+
+static struct lpss_device_desc lpt_sdio_dev_desc = {
+ .prv_offset = 0x1000,
+ .prv_size_override = 0x1018,
+ .ltr_required = true,
+};
+
+static struct lpss_shared_clock pwm_clock = {
+ .name = "pwm_clk",
+ .rate = 25000000,
+};
+
+static struct lpss_device_desc byt_pwm_dev_desc = {
+ .clk_required = true,
+ .save_ctx = true,
+ .shared_clock = &pwm_clock,
+};
+
+static struct lpss_device_desc byt_uart_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .clk_divider = true,
+ .clk_gate = true,
+ .save_ctx = true,
+ .setup = lpss_uart_setup,
+};
+
+static struct lpss_device_desc byt_spi_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x400,
+ .clk_divider = true,
+ .clk_gate = true,
+ .save_ctx = true,
+};
+
+static struct lpss_device_desc byt_sdio_dev_desc = {
+ .clk_required = true,
+};
+
+static struct lpss_shared_clock i2c_clock = {
+ .name = "i2c_clk",
+ .rate = 100000000,
+};
+
+static struct lpss_device_desc byt_i2c_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .save_ctx = true,
+ .shared_clock = &i2c_clock,
+ .setup = lpss_i2c_setup,
+};
+
+#else
+
+#define LPSS_ADDR(desc) (0UL)
+
+#endif /* CONFIG_X86_INTEL_LPSS */
+
+static const struct acpi_device_id acpi_lpss_device_ids[] = {
+ /* Generic LPSS devices */
+ { "INTL9C60", LPSS_ADDR(lpss_dma_desc) },
+
+ /* Lynxpoint LPSS devices */
+ { "INT33C0", LPSS_ADDR(lpt_dev_desc) },
+ { "INT33C1", LPSS_ADDR(lpt_dev_desc) },
+ { "INT33C2", LPSS_ADDR(lpt_i2c_dev_desc) },
+ { "INT33C3", LPSS_ADDR(lpt_i2c_dev_desc) },
+ { "INT33C4", LPSS_ADDR(lpt_uart_dev_desc) },
+ { "INT33C5", LPSS_ADDR(lpt_uart_dev_desc) },
+ { "INT33C6", LPSS_ADDR(lpt_sdio_dev_desc) },
+ { "INT33C7", },
+
+ /* BayTrail LPSS devices */
+ { "80860F09", LPSS_ADDR(byt_pwm_dev_desc) },
+ { "80860F0A", LPSS_ADDR(byt_uart_dev_desc) },
+ { "80860F0E", LPSS_ADDR(byt_spi_dev_desc) },
+ { "80860F14", LPSS_ADDR(byt_sdio_dev_desc) },
+ { "80860F41", LPSS_ADDR(byt_i2c_dev_desc) },
+ { "INT33B2", },
+ { "INT33FC", },
+
+ { "INT3430", LPSS_ADDR(lpt_dev_desc) },
+ { "INT3431", LPSS_ADDR(lpt_dev_desc) },
+ { "INT3432", LPSS_ADDR(lpt_i2c_dev_desc) },
+ { "INT3433", LPSS_ADDR(lpt_i2c_dev_desc) },
+ { "INT3434", LPSS_ADDR(lpt_uart_dev_desc) },
+ { "INT3435", LPSS_ADDR(lpt_uart_dev_desc) },
+ { "INT3436", LPSS_ADDR(lpt_sdio_dev_desc) },
+ { "INT3437", },
+
+ { }
+};
+
+#ifdef CONFIG_X86_INTEL_LPSS
+
+static int is_memory(struct acpi_resource *res, void *not_used)
+{
+ struct resource r;
+ return !acpi_dev_resource_memory(res, &r);
+}
+
+/* LPSS main clock device. */
+static struct platform_device *lpss_clk_dev;
+
+static inline void lpt_register_clock_device(void)
+{
+ lpss_clk_dev = platform_device_register_simple("clk-lpt", -1, NULL, 0);
+}
+
+static int register_device_clock(struct acpi_device *adev,
+ struct lpss_private_data *pdata)
+{
+ const struct lpss_device_desc *dev_desc = pdata->dev_desc;
+ struct lpss_shared_clock *shared_clock = dev_desc->shared_clock;
+ const char *devname = dev_name(&adev->dev);
+ struct clk *clk = ERR_PTR(-ENODEV);
+ struct lpss_clk_data *clk_data;
+ const char *parent, *clk_name;
+ void __iomem *prv_base;
+
+ if (!lpss_clk_dev)
+ lpt_register_clock_device();
+
+ clk_data = platform_get_drvdata(lpss_clk_dev);
+ if (!clk_data)
+ return -ENODEV;
+
+ if (dev_desc->clkdev_name) {
+ clk_register_clkdev(clk_data->clk, dev_desc->clkdev_name,
+ devname);
+ return 0;
+ }
+
+ if (!pdata->mmio_base
+ || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE)
+ return -ENODATA;
+
+ parent = clk_data->name;
+ prv_base = pdata->mmio_base + dev_desc->prv_offset;
+
+ if (shared_clock) {
+ clk = shared_clock->clk;
+ if (!clk) {
+ clk = clk_register_fixed_rate(NULL, shared_clock->name,
+ "lpss_clk", 0,
+ shared_clock->rate);
+ shared_clock->clk = clk;
+ }
+ parent = shared_clock->name;
+ }
+
+ if (dev_desc->clk_gate) {
+ clk = clk_register_gate(NULL, devname, parent, 0,
+ prv_base, 0, 0, NULL);
+ parent = devname;
+ }
+
+ if (dev_desc->clk_divider) {
+ /* Prevent division by zero */
+ if (!readl(prv_base))
+ writel(LPSS_CLK_DIVIDER_DEF_MASK, prv_base);
+
+ clk_name = kasprintf(GFP_KERNEL, "%s-div", devname);
+ if (!clk_name)
+ return -ENOMEM;
+ clk = clk_register_fractional_divider(NULL, clk_name, parent,
+ 0, prv_base,
+ 1, 15, 16, 15, 0, NULL);
+ parent = clk_name;
+
+ clk_name = kasprintf(GFP_KERNEL, "%s-update", devname);
+ if (!clk_name) {
+ kfree(parent);
+ return -ENOMEM;
+ }
+ clk = clk_register_gate(NULL, clk_name, parent,
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
+ prv_base, 31, 0, NULL);
+ kfree(parent);
+ kfree(clk_name);
+ }
+
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ pdata->clk = clk;
+ clk_register_clkdev(clk, NULL, devname);
+ return 0;
+}
+
+static int acpi_lpss_create_device(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ struct lpss_device_desc *dev_desc;
+ struct lpss_private_data *pdata;
+ struct resource_list_entry *rentry;
+ struct list_head resource_list;
+ struct platform_device *pdev;
+ int ret;
+
+ dev_desc = (struct lpss_device_desc *)id->driver_data;
+ if (!dev_desc) {
+ pdev = acpi_create_platform_device(adev);
+ return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1;
+ }
+ pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&resource_list);
+ ret = acpi_dev_get_resources(adev, &resource_list, is_memory, NULL);
+ if (ret < 0)
+ goto err_out;
+
+ list_for_each_entry(rentry, &resource_list, node)
+ if (resource_type(&rentry->res) == IORESOURCE_MEM) {
+ if (dev_desc->prv_size_override)
+ pdata->mmio_size = dev_desc->prv_size_override;
+ else
+ pdata->mmio_size = resource_size(&rentry->res);
+ pdata->mmio_base = ioremap(rentry->res.start,
+ pdata->mmio_size);
+ break;
+ }
+
+ acpi_dev_free_resource_list(&resource_list);
+
+ pdata->dev_desc = dev_desc;
+
+ if (dev_desc->clk_required) {
+ ret = register_device_clock(adev, pdata);
+ if (ret) {
+ /* Skip the device, but continue the namespace scan. */
+ ret = 0;
+ goto err_out;
+ }
+ }
+
+ /*
+ * This works around a known issue in ACPI tables where LPSS devices
+ * have _PS0 and _PS3 without _PSC (and no power resources), so
+ * acpi_bus_init_power() will assume that the BIOS has put them into D0.
+ */
+ ret = acpi_device_fix_up_power(adev);
+ if (ret) {
+ /* Skip the device, but continue the namespace scan. */
+ ret = 0;
+ goto err_out;
+ }
+
+ if (dev_desc->setup)
+ dev_desc->setup(pdata);
+
+ adev->driver_data = pdata;
+ pdev = acpi_create_platform_device(adev);
+ if (!IS_ERR_OR_NULL(pdev)) {
+ device_enable_async_suspend(&pdev->dev);
+ return 1;
+ }
+
+ ret = PTR_ERR(pdev);
+ adev->driver_data = NULL;
+
+ err_out:
+ kfree(pdata);
+ return ret;
+}
+
+static u32 __lpss_reg_read(struct lpss_private_data *pdata, unsigned int reg)
+{
+ return readl(pdata->mmio_base + pdata->dev_desc->prv_offset + reg);
+}
+
+static void __lpss_reg_write(u32 val, struct lpss_private_data *pdata,
+ unsigned int reg)
+{
+ writel(val, pdata->mmio_base + pdata->dev_desc->prv_offset + reg);
+}
+
+static int lpss_reg_read(struct device *dev, unsigned int reg, u32 *val)
+{
+ struct acpi_device *adev;
+ struct lpss_private_data *pdata;
+ unsigned long flags;
+ int ret;
+
+ ret = acpi_bus_get_device(ACPI_HANDLE(dev), &adev);
+ if (WARN_ON(ret))
+ return ret;
+
+ spin_lock_irqsave(&dev->power.lock, flags);
+ if (pm_runtime_suspended(dev)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+ pdata = acpi_driver_data(adev);
+ if (WARN_ON(!pdata || !pdata->mmio_base)) {
+ ret = -ENODEV;
+ goto out;
+ }
+ *val = __lpss_reg_read(pdata, reg);
+
+ out:
+ spin_unlock_irqrestore(&dev->power.lock, flags);
+ return ret;
+}
+
+static ssize_t lpss_ltr_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ u32 ltr_value = 0;
+ unsigned int reg;
+ int ret;
+
+ reg = strcmp(attr->attr.name, "auto_ltr") ? LPSS_SW_LTR : LPSS_AUTO_LTR;
+ ret = lpss_reg_read(dev, reg, &ltr_value);
+ if (ret)
+ return ret;
+
+ return snprintf(buf, PAGE_SIZE, "%08x\n", ltr_value);
+}
+
+static ssize_t lpss_ltr_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ u32 ltr_mode = 0;
+ char *outstr;
+ int ret;
+
+ ret = lpss_reg_read(dev, LPSS_GENERAL, &ltr_mode);
+ if (ret)
+ return ret;
+
+ outstr = (ltr_mode & LPSS_GENERAL_LTR_MODE_SW) ? "sw" : "auto";
+ return sprintf(buf, "%s\n", outstr);
+}
+
+static DEVICE_ATTR(auto_ltr, S_IRUSR, lpss_ltr_show, NULL);
+static DEVICE_ATTR(sw_ltr, S_IRUSR, lpss_ltr_show, NULL);
+static DEVICE_ATTR(ltr_mode, S_IRUSR, lpss_ltr_mode_show, NULL);
+
+static struct attribute *lpss_attrs[] = {
+ &dev_attr_auto_ltr.attr,
+ &dev_attr_sw_ltr.attr,
+ &dev_attr_ltr_mode.attr,
+ NULL,
+};
+
+static struct attribute_group lpss_attr_group = {
+ .attrs = lpss_attrs,
+ .name = "lpss_ltr",
+};
+
+static void acpi_lpss_set_ltr(struct device *dev, s32 val)
+{
+ struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+ u32 ltr_mode, ltr_val;
+
+ ltr_mode = __lpss_reg_read(pdata, LPSS_GENERAL);
+ if (val < 0) {
+ if (ltr_mode & LPSS_GENERAL_LTR_MODE_SW) {
+ ltr_mode &= ~LPSS_GENERAL_LTR_MODE_SW;
+ __lpss_reg_write(ltr_mode, pdata, LPSS_GENERAL);
+ }
+ return;
+ }
+ ltr_val = __lpss_reg_read(pdata, LPSS_SW_LTR) & ~LPSS_LTR_SNOOP_MASK;
+ if (val >= LPSS_LTR_SNOOP_LAT_CUTOFF) {
+ ltr_val |= LPSS_LTR_SNOOP_LAT_32US;
+ val = LPSS_LTR_MAX_VAL;
+ } else if (val > LPSS_LTR_MAX_VAL) {
+ ltr_val |= LPSS_LTR_SNOOP_LAT_32US | LPSS_LTR_SNOOP_REQ;
+ val >>= LPSS_LTR_SNOOP_LAT_SHIFT;
+ } else {
+ ltr_val |= LPSS_LTR_SNOOP_LAT_1US | LPSS_LTR_SNOOP_REQ;
+ }
+ ltr_val |= val;
+ __lpss_reg_write(ltr_val, pdata, LPSS_SW_LTR);
+ if (!(ltr_mode & LPSS_GENERAL_LTR_MODE_SW)) {
+ ltr_mode |= LPSS_GENERAL_LTR_MODE_SW;
+ __lpss_reg_write(ltr_mode, pdata, LPSS_GENERAL);
+ }
+}
+
+#ifdef CONFIG_PM
+/**
+ * acpi_lpss_save_ctx() - Save the private registers of LPSS device
+ * @dev: LPSS device
+ *
+ * Most LPSS devices have private registers which may loose their context when
+ * the device is powered down. acpi_lpss_save_ctx() saves those registers into
+ * prv_reg_ctx array.
+ */
+static void acpi_lpss_save_ctx(struct device *dev)
+{
+ struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+ unsigned int i;
+
+ for (i = 0; i < LPSS_PRV_REG_COUNT; i++) {
+ unsigned long offset = i * sizeof(u32);
+
+ pdata->prv_reg_ctx[i] = __lpss_reg_read(pdata, offset);
+ dev_dbg(dev, "saving 0x%08x from LPSS reg at offset 0x%02lx\n",
+ pdata->prv_reg_ctx[i], offset);
+ }
+}
+
+/**
+ * acpi_lpss_restore_ctx() - Restore the private registers of LPSS device
+ * @dev: LPSS device
+ *
+ * Restores the registers that were previously stored with acpi_lpss_save_ctx().
+ */
+static void acpi_lpss_restore_ctx(struct device *dev)
+{
+ struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+ unsigned int i;
+
+ /*
+ * The following delay is needed or the subsequent write operations may
+ * fail. The LPSS devices are actually PCI devices and the PCI spec
+ * expects 10ms delay before the device can be accessed after D3 to D0
+ * transition.
+ */
+ msleep(10);
+
+ for (i = 0; i < LPSS_PRV_REG_COUNT; i++) {
+ unsigned long offset = i * sizeof(u32);
+
+ __lpss_reg_write(pdata->prv_reg_ctx[i], pdata, offset);
+ dev_dbg(dev, "restoring 0x%08x to LPSS reg at offset 0x%02lx\n",
+ pdata->prv_reg_ctx[i], offset);
+ }
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int acpi_lpss_suspend_late(struct device *dev)
+{
+ int ret = pm_generic_suspend_late(dev);
+
+ if (ret)
+ return ret;
+
+ acpi_lpss_save_ctx(dev);
+ return acpi_dev_suspend_late(dev);
+}
+
+static int acpi_lpss_restore_early(struct device *dev)
+{
+ int ret = acpi_dev_resume_early(dev);
+
+ if (ret)
+ return ret;
+
+ acpi_lpss_restore_ctx(dev);
+ return pm_generic_resume_early(dev);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+#ifdef CONFIG_PM_RUNTIME
+static int acpi_lpss_runtime_suspend(struct device *dev)
+{
+ int ret = pm_generic_runtime_suspend(dev);
+
+ if (ret)
+ return ret;
+
+ acpi_lpss_save_ctx(dev);
+ return acpi_dev_runtime_suspend(dev);
+}
+
+static int acpi_lpss_runtime_resume(struct device *dev)
+{
+ int ret = acpi_dev_runtime_resume(dev);
+
+ if (ret)
+ return ret;
+
+ acpi_lpss_restore_ctx(dev);
+ return pm_generic_runtime_resume(dev);
+}
+#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
+
+static struct dev_pm_domain acpi_lpss_pm_domain = {
+ .ops = {
+#ifdef CONFIG_PM_SLEEP
+ .suspend_late = acpi_lpss_suspend_late,
+ .restore_early = acpi_lpss_restore_early,
+ .prepare = acpi_subsys_prepare,
+ .complete = acpi_subsys_complete,
+ .suspend = acpi_subsys_suspend,
+ .resume_early = acpi_subsys_resume_early,
+ .freeze = acpi_subsys_freeze,
+ .poweroff = acpi_subsys_suspend,
+ .poweroff_late = acpi_subsys_suspend_late,
+#endif
+#ifdef CONFIG_PM_RUNTIME
+ .runtime_suspend = acpi_lpss_runtime_suspend,
+ .runtime_resume = acpi_lpss_runtime_resume,
+#endif
+ },
+};
+
+static int acpi_lpss_platform_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct platform_device *pdev = to_platform_device(data);
+ struct lpss_private_data *pdata;
+ struct acpi_device *adev;
+ const struct acpi_device_id *id;
+
+ id = acpi_match_device(acpi_lpss_device_ids, &pdev->dev);
+ if (!id || !id->driver_data)
+ return 0;
+
+ if (acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
+ return 0;
+
+ pdata = acpi_driver_data(adev);
+ if (!pdata || !pdata->mmio_base)
+ return 0;
+
+ if (pdata->mmio_size < pdata->dev_desc->prv_offset + LPSS_LTR_SIZE) {
+ dev_err(&pdev->dev, "MMIO size insufficient to access LTR\n");
+ return 0;
+ }
+
+ switch (action) {
+ case BUS_NOTIFY_BOUND_DRIVER:
+ if (pdata->dev_desc->save_ctx)
+ pdev->dev.pm_domain = &acpi_lpss_pm_domain;
+ break;
+ case BUS_NOTIFY_UNBOUND_DRIVER:
+ if (pdata->dev_desc->save_ctx)
+ pdev->dev.pm_domain = NULL;
+ break;
+ case BUS_NOTIFY_ADD_DEVICE:
+ if (pdata->dev_desc->ltr_required)
+ return sysfs_create_group(&pdev->dev.kobj,
+ &lpss_attr_group);
+ case BUS_NOTIFY_DEL_DEVICE:
+ if (pdata->dev_desc->ltr_required)
+ sysfs_remove_group(&pdev->dev.kobj, &lpss_attr_group);
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static struct notifier_block acpi_lpss_nb = {
+ .notifier_call = acpi_lpss_platform_notify,
+};
+
+static void acpi_lpss_bind(struct device *dev)
+{
+ struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+
+ if (!pdata || !pdata->mmio_base || !pdata->dev_desc->ltr_required)
+ return;
+
+ if (pdata->mmio_size >= pdata->dev_desc->prv_offset + LPSS_LTR_SIZE)
+ dev->power.set_latency_tolerance = acpi_lpss_set_ltr;
+ else
+ dev_err(dev, "MMIO size insufficient to access LTR\n");
+}
+
+static void acpi_lpss_unbind(struct device *dev)
+{
+ dev->power.set_latency_tolerance = NULL;
+}
+
+static struct acpi_scan_handler lpss_handler = {
+ .ids = acpi_lpss_device_ids,
+ .attach = acpi_lpss_create_device,
+ .bind = acpi_lpss_bind,
+ .unbind = acpi_lpss_unbind,
+};
+
+void __init acpi_lpss_init(void)
+{
+ if (!lpt_clk_init()) {
+ bus_register_notifier(&platform_bus_type, &acpi_lpss_nb);
+ acpi_scan_add_handler(&lpss_handler);
+ }
+}
+
+#else
+
+static struct acpi_scan_handler lpss_handler = {
+ .ids = acpi_lpss_device_ids,
+};
+
+void __init acpi_lpss_init(void)
+{
+ acpi_scan_add_handler(&lpss_handler);
+}
+
+#endif /* CONFIG_X86_INTEL_LPSS */
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 77285ffe41c..23e2319ead4 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -1,5 +1,7 @@
/*
- * Copyright (C) 2004 Intel Corporation <naveen.b.s@intel.com>
+ * Copyright (C) 2004, 2013 Intel Corporation
+ * Author: Naveen B S <naveen.b.s@intel.com>
+ * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*
* All rights reserved.
*
@@ -20,523 +22,374 @@
*
*
* ACPI based HotPlug driver that supports Memory Hotplug
- * This driver fields notifications from firmare for memory add
+ * This driver fields notifications from firmware for memory add
* and remove operations and alerts the VM of the affected memory
* ranges.
*/
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
+#include <linux/acpi.h>
+#include <linux/memory.h>
#include <linux/memory_hotplug.h>
-#include <acpi/acpi_drivers.h>
+#include "internal.h"
-#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL
#define ACPI_MEMORY_DEVICE_CLASS "memory"
#define ACPI_MEMORY_DEVICE_HID "PNP0C80"
-#define ACPI_MEMORY_DEVICE_DRIVER_NAME "Hotplug Mem Driver"
#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device"
#define _COMPONENT ACPI_MEMORY_DEVICE_COMPONENT
-ACPI_MODULE_NAME ("acpi_memory")
-MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>");
-MODULE_DESCRIPTION(ACPI_MEMORY_DEVICE_DRIVER_NAME);
-MODULE_LICENSE("GPL");
+#undef PREFIX
+#define PREFIX "ACPI:memory_hp:"
-/* ACPI _STA method values */
-#define ACPI_MEMORY_STA_PRESENT (0x00000001UL)
-#define ACPI_MEMORY_STA_ENABLED (0x00000002UL)
-#define ACPI_MEMORY_STA_FUNCTIONAL (0x00000008UL)
+ACPI_MODULE_NAME("acpi_memhotplug");
+
+static const struct acpi_device_id memory_device_ids[] = {
+ {ACPI_MEMORY_DEVICE_HID, 0},
+ {"", 0},
+};
+
+#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
/* Memory Device States */
#define MEMORY_INVALID_STATE 0
#define MEMORY_POWER_ON_STATE 1
#define MEMORY_POWER_OFF_STATE 2
-static int acpi_memory_device_add (struct acpi_device *device);
-static int acpi_memory_device_remove (struct acpi_device *device, int type);
-
-static struct acpi_driver acpi_memory_device_driver = {
- .name = ACPI_MEMORY_DEVICE_DRIVER_NAME,
- .class = ACPI_MEMORY_DEVICE_CLASS,
- .ids = ACPI_MEMORY_DEVICE_HID,
- .ops = {
- .add = acpi_memory_device_add,
- .remove = acpi_memory_device_remove,
- },
+static int acpi_memory_device_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used);
+static void acpi_memory_device_remove(struct acpi_device *device);
+
+static struct acpi_scan_handler memory_device_handler = {
+ .ids = memory_device_ids,
+ .attach = acpi_memory_device_add,
+ .detach = acpi_memory_device_remove,
+ .hotplug = {
+ .enabled = true,
+ },
};
-struct acpi_memory_device {
- acpi_handle handle;
- unsigned int state; /* State of the memory device */
- unsigned short cache_attribute; /* memory cache attribute */
- unsigned short read_write_attribute;/* memory read/write attribute */
- u64 start_addr; /* Memory Range start physical addr */
- u64 end_addr; /* Memory Range end physical addr */
+struct acpi_memory_info {
+ struct list_head list;
+ u64 start_addr; /* Memory Range start physical addr */
+ u64 length; /* Memory Range length */
+ unsigned short caching; /* memory cache attribute */
+ unsigned short write_protect; /* memory read/write attribute */
+ unsigned int enabled:1;
};
+struct acpi_memory_device {
+ struct acpi_device * device;
+ unsigned int state; /* State of the memory device */
+ struct list_head res_list;
+};
-static int
-acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
+static acpi_status
+acpi_memory_get_resource(struct acpi_resource *resource, void *context)
{
- acpi_status status;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- struct acpi_resource *resource = NULL;
+ struct acpi_memory_device *mem_device = context;
struct acpi_resource_address64 address64;
+ struct acpi_memory_info *info, *new;
+ acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_memory_get_device_resources");
-
- /* Get the range from the _CRS */
- status = acpi_get_current_resources(mem_device->handle, &buffer);
- if (ACPI_FAILURE(status))
- return_VALUE(-EINVAL);
-
- resource = (struct acpi_resource *) buffer.pointer;
status = acpi_resource_to_address64(resource, &address64);
- if (ACPI_SUCCESS(status)) {
- if (address64.resource_type == ACPI_MEMORY_RANGE) {
- /* Populate the structure */
- mem_device->cache_attribute =
- address64.attribute.memory.cache_attribute;
- mem_device->read_write_attribute =
- address64.attribute.memory.read_write_attribute;
- mem_device->start_addr = address64.min_address_range;
- mem_device->end_addr = address64.max_address_range;
+ if (ACPI_FAILURE(status) ||
+ (address64.resource_type != ACPI_MEMORY_RANGE))
+ return AE_OK;
+
+ list_for_each_entry(info, &mem_device->res_list, list) {
+ /* Can we combine the resource range information? */
+ if ((info->caching == address64.info.mem.caching) &&
+ (info->write_protect == address64.info.mem.write_protect) &&
+ (info->start_addr + info->length == address64.minimum)) {
+ info->length += address64.address_length;
+ return AE_OK;
}
}
- acpi_os_free(buffer.pointer);
- return_VALUE(0);
+ new = kzalloc(sizeof(struct acpi_memory_info), GFP_KERNEL);
+ if (!new)
+ return AE_ERROR;
+
+ INIT_LIST_HEAD(&new->list);
+ new->caching = address64.info.mem.caching;
+ new->write_protect = address64.info.mem.write_protect;
+ new->start_addr = address64.minimum;
+ new->length = address64.address_length;
+ list_add_tail(&new->list, &mem_device->res_list);
+
+ return AE_OK;
}
-static int
-acpi_memory_get_device(acpi_handle handle,
- struct acpi_memory_device **mem_device)
+static void
+acpi_memory_free_device_resources(struct acpi_memory_device *mem_device)
{
- acpi_status status;
- acpi_handle phandle;
- struct acpi_device *device = NULL;
- struct acpi_device *pdevice = NULL;
+ struct acpi_memory_info *info, *n;
- ACPI_FUNCTION_TRACE("acpi_memory_get_device");
-
- if (!acpi_bus_get_device(handle, &device) && device)
- goto end;
+ list_for_each_entry_safe(info, n, &mem_device->res_list, list)
+ kfree(info);
+ INIT_LIST_HEAD(&mem_device->res_list);
+}
- status = acpi_get_parent(handle, &phandle);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_get_parent\n"));
- return_VALUE(-EINVAL);
- }
+static int
+acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
+{
+ acpi_status status;
- /* Get the parent device */
- status = acpi_bus_get_device(phandle, &pdevice);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_bus_get_device\n"));
- return_VALUE(-EINVAL);
- }
+ if (!list_empty(&mem_device->res_list))
+ return 0;
- /*
- * Now add the notified device. This creates the acpi_device
- * and invokes .add function
- */
- status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
+ status = acpi_walk_resources(mem_device->device->handle, METHOD_NAME__CRS,
+ acpi_memory_get_resource, mem_device);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_bus_add\n"));
- return_VALUE(-EINVAL);
+ acpi_memory_free_device_resources(mem_device);
+ return -EINVAL;
}
-end:
- *mem_device = acpi_driver_data(device);
- if (!(*mem_device)) {
- printk(KERN_ERR "\n driver data not found" );
- return_VALUE(-ENODEV);
- }
-
- return_VALUE(0);
+ return 0;
}
-static int
-acpi_memory_check_device(struct acpi_memory_device *mem_device)
+static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
{
- unsigned long current_status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_check_device");
+ unsigned long long current_status;
/* Get device present/absent information from the _STA */
- if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->handle, "_STA",
- NULL, &current_status)))
- return_VALUE(-ENODEV);
+ if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle,
+ METHOD_NAME__STA, NULL,
+ &current_status)))
+ return -ENODEV;
/*
* Check for device status. Device should be
* present/enabled/functioning.
*/
- if (!((current_status & ACPI_MEMORY_STA_PRESENT)
- && (current_status & ACPI_MEMORY_STA_ENABLED)
- && (current_status & ACPI_MEMORY_STA_FUNCTIONAL)))
- return_VALUE(-ENODEV);
+ if (!((current_status & ACPI_STA_DEVICE_PRESENT)
+ && (current_status & ACPI_STA_DEVICE_ENABLED)
+ && (current_status & ACPI_STA_DEVICE_FUNCTIONING)))
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
-static int
-acpi_memory_enable_device(struct acpi_memory_device *mem_device)
+static unsigned long acpi_meminfo_start_pfn(struct acpi_memory_info *info)
{
- int result;
-
- ACPI_FUNCTION_TRACE("acpi_memory_enable_device");
-
- /* Get the range from the _CRS */
- result = acpi_memory_get_device_resources(mem_device);
- if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "\nget_device_resources failed\n"));
- mem_device->state = MEMORY_INVALID_STATE;
- return result;
- }
-
- /*
- * Tell the VM there is more memory here...
- * Note: Assume that this function returns zero on success
- */
- result = add_memory(mem_device->start_addr,
- (mem_device->end_addr - mem_device->start_addr) + 1,
- mem_device->read_write_attribute);
- if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "\nadd_memory failed\n"));
- mem_device->state = MEMORY_INVALID_STATE;
- return result;
- }
-
- return result;
+ return PFN_DOWN(info->start_addr);
}
-static int
-acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
+static unsigned long acpi_meminfo_end_pfn(struct acpi_memory_info *info)
{
- acpi_status status;
- struct acpi_object_list arg_list;
- union acpi_object arg;
- unsigned long current_status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_powerdown_device");
-
- /* Issue the _EJ0 command */
- arg_list.count = 1;
- arg_list.pointer = &arg;
- arg.type = ACPI_TYPE_INTEGER;
- arg.integer.value = 1;
- status = acpi_evaluate_object(mem_device->handle,
- "_EJ0", &arg_list, NULL);
- /* Return on _EJ0 failure */
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"_EJ0 failed.\n"));
- return_VALUE(-ENODEV);
- }
+ return PFN_UP(info->start_addr + info->length-1);
+}
- /* Evalute _STA to check if the device is disabled */
- status = acpi_evaluate_integer(mem_device->handle, "_STA",
- NULL, &current_status);
- if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+static int acpi_bind_memblk(struct memory_block *mem, void *arg)
+{
+ return acpi_bind_one(&mem->dev, arg);
+}
- /* Check for device status. Device should be disabled */
- if (current_status & ACPI_MEMORY_STA_ENABLED)
- return_VALUE(-EINVAL);
+static int acpi_bind_memory_blocks(struct acpi_memory_info *info,
+ struct acpi_device *adev)
+{
+ return walk_memory_range(acpi_meminfo_start_pfn(info),
+ acpi_meminfo_end_pfn(info), adev,
+ acpi_bind_memblk);
+}
- return_VALUE(0);
+static int acpi_unbind_memblk(struct memory_block *mem, void *arg)
+{
+ acpi_unbind_one(&mem->dev);
+ return 0;
}
-static int
-acpi_memory_disable_device(struct acpi_memory_device *mem_device)
+static void acpi_unbind_memory_blocks(struct acpi_memory_info *info)
{
- int result;
- u64 start = mem_device->start_addr;
- u64 len = mem_device->end_addr - start + 1;
- unsigned long attr = mem_device->read_write_attribute;
+ walk_memory_range(acpi_meminfo_start_pfn(info),
+ acpi_meminfo_end_pfn(info), NULL, acpi_unbind_memblk);
+}
- ACPI_FUNCTION_TRACE("acpi_memory_disable_device");
+static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
+{
+ acpi_handle handle = mem_device->device->handle;
+ int result, num_enabled = 0;
+ struct acpi_memory_info *info;
+ int node;
+ node = acpi_get_node(handle);
/*
- * Ask the VM to offline this memory range.
+ * Tell the VM there is more memory here...
* Note: Assume that this function returns zero on success
+ * We don't have memory-hot-add rollback function,now.
+ * (i.e. memory-hot-remove function)
*/
- result = remove_memory(start, len, attr);
- if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Hot-Remove failed.\n"));
- return_VALUE(result);
- }
+ list_for_each_entry(info, &mem_device->res_list, list) {
+ if (info->enabled) { /* just sanity check...*/
+ num_enabled++;
+ continue;
+ }
+ /*
+ * If the memory block size is zero, please ignore it.
+ * Don't try to do the following memory hotplug flowchart.
+ */
+ if (!info->length)
+ continue;
+ if (node < 0)
+ node = memory_add_physaddr_to_nid(info->start_addr);
- /* Power-off and eject the device */
- result = acpi_memory_powerdown_device(mem_device);
- if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device Power Down failed.\n"));
- /* Set the status of the device to invalid */
- mem_device->state = MEMORY_INVALID_STATE;
- return result;
- }
+ result = add_memory(node, info->start_addr, info->length);
- mem_device->state = MEMORY_POWER_OFF_STATE;
- return result;
-}
+ /*
+ * If the memory block has been used by the kernel, add_memory()
+ * returns -EEXIST. If add_memory() returns the other error, it
+ * means that this memory block is not used by the kernel.
+ */
+ if (result && result != -EEXIST)
+ continue;
-static void
-acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
-{
- struct acpi_memory_device *mem_device;
- struct acpi_device *device;
-
- ACPI_FUNCTION_TRACE("acpi_memory_device_notify");
-
- switch (event) {
- case ACPI_NOTIFY_BUS_CHECK:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "\nReceived BUS CHECK notification for device\n"));
- /* Fall Through */
- case ACPI_NOTIFY_DEVICE_CHECK:
- if (event == ACPI_NOTIFY_DEVICE_CHECK)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "\nReceived DEVICE CHECK notification for device\n"));
- if (acpi_memory_get_device(handle, &mem_device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in finding driver data\n"));
- return_VOID;
+ result = acpi_bind_memory_blocks(info, mem_device->device);
+ if (result) {
+ acpi_unbind_memory_blocks(info);
+ return -ENODEV;
}
- if (!acpi_memory_check_device(mem_device)) {
- if (acpi_memory_enable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_enable_device\n"));
- }
- break;
- case ACPI_NOTIFY_EJECT_REQUEST:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "\nReceived EJECT REQUEST notification for device\n"));
-
- if (acpi_bus_get_device(handle, &device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device doesn't exist\n"));
- break;
- }
- mem_device = acpi_driver_data(device);
- if (!mem_device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Driver Data is NULL\n"));
- break;
- }
+ info->enabled = 1;
/*
- * Currently disabling memory device from kernel mode
- * TBD: Can also be disabled from user mode scripts
- * TBD: Can also be disabled by Callback registration
- * with generic sysfs driver
- */
- if (acpi_memory_disable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_disable_device\n"));
- /*
- * TBD: Invoke acpi_bus_remove to cleanup data structures
+ * Add num_enable even if add_memory() returns -EEXIST, so the
+ * device is bound to this driver.
*/
- break;
- default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
- break;
+ num_enabled++;
}
+ if (!num_enabled) {
+ dev_err(&mem_device->device->dev, "add_memory failed\n");
+ mem_device->state = MEMORY_INVALID_STATE;
+ return -EINVAL;
+ }
+ /*
+ * Sometimes the memory device will contain several memory blocks.
+ * When one memory block is hot-added to the system memory, it will
+ * be regarded as a success.
+ * Otherwise if the last memory block can't be hot-added to the system
+ * memory, it will be failure and the memory device can't be bound with
+ * driver.
+ */
+ return 0;
+}
- return_VOID;
+static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
+{
+ acpi_handle handle = mem_device->device->handle;
+ struct acpi_memory_info *info, *n;
+ int nid = acpi_get_node(handle);
+
+ list_for_each_entry_safe(info, n, &mem_device->res_list, list) {
+ if (!info->enabled)
+ continue;
+
+ if (nid == NUMA_NO_NODE)
+ nid = memory_add_physaddr_to_nid(info->start_addr);
+
+ acpi_unbind_memory_blocks(info);
+ remove_memory(nid, info->start_addr, info->length);
+ list_del(&info->list);
+ kfree(info);
+ }
}
-static int
-acpi_memory_device_add(struct acpi_device *device)
+static void acpi_memory_device_free(struct acpi_memory_device *mem_device)
{
- int result;
- struct acpi_memory_device *mem_device = NULL;
+ if (!mem_device)
+ return;
+
+ acpi_memory_free_device_resources(mem_device);
+ mem_device->device->driver_data = NULL;
+ kfree(mem_device);
+}
- ACPI_FUNCTION_TRACE("acpi_memory_device_add");
+static int acpi_memory_device_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
+{
+ struct acpi_memory_device *mem_device;
+ int result;
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
- mem_device = kmalloc(sizeof(struct acpi_memory_device), GFP_KERNEL);
+ mem_device = kzalloc(sizeof(struct acpi_memory_device), GFP_KERNEL);
if (!mem_device)
- return_VALUE(-ENOMEM);
- memset(mem_device, 0, sizeof(struct acpi_memory_device));
+ return -ENOMEM;
- mem_device->handle = device->handle;
+ INIT_LIST_HEAD(&mem_device->res_list);
+ mem_device->device = device;
sprintf(acpi_device_name(device), "%s", ACPI_MEMORY_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_MEMORY_DEVICE_CLASS);
- acpi_driver_data(device) = mem_device;
+ device->driver_data = mem_device;
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
if (result) {
+ device->driver_data = NULL;
kfree(mem_device);
- return_VALUE(result);
+ return result;
}
/* Set the device state */
mem_device->state = MEMORY_POWER_ON_STATE;
- printk(KERN_INFO "%s \n", acpi_device_name(device));
+ result = acpi_memory_check_device(mem_device);
+ if (result) {
+ acpi_memory_device_free(mem_device);
+ return 0;
+ }
+
+ result = acpi_memory_enable_device(mem_device);
+ if (result) {
+ dev_err(&device->dev, "acpi_memory_enable_device() error\n");
+ acpi_memory_device_free(mem_device);
+ return result;
+ }
- return_VALUE(result);
+ dev_dbg(&device->dev, "Memory device configured by ACPI\n");
+ return 1;
}
-static int
-acpi_memory_device_remove (struct acpi_device *device, int type)
+static void acpi_memory_device_remove(struct acpi_device *device)
{
- struct acpi_memory_device *mem_device = NULL;
-
- ACPI_FUNCTION_TRACE("acpi_memory_device_remove");
+ struct acpi_memory_device *mem_device;
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
-
- mem_device = (struct acpi_memory_device *) acpi_driver_data(device);
- kfree(mem_device);
+ return;
- return_VALUE(0);
+ mem_device = acpi_driver_data(device);
+ acpi_memory_remove_memory(mem_device);
+ acpi_memory_device_free(mem_device);
}
-/*
- * Helper function to check for memory device
- */
-static acpi_status
-is_memory_device(acpi_handle handle)
-{
- char *hardware_id;
- acpi_status status;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- struct acpi_device_info *info;
-
- ACPI_FUNCTION_TRACE("is_memory_device");
-
- status = acpi_get_object_info(handle, &buffer);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_ERROR);
-
- info = buffer.pointer;
- if (!(info->valid & ACPI_VALID_HID)) {
- acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(AE_ERROR);
- }
-
- hardware_id = info->hardware_id.value;
- if ((hardware_id == NULL) ||
- (strcmp(hardware_id, ACPI_MEMORY_DEVICE_HID)))
- status = AE_ERROR;
+static bool __initdata acpi_no_memhotplug;
- acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(status);
-}
-
-static acpi_status
-acpi_memory_register_notify_handler (acpi_handle handle,
- u32 level, void *ctxt, void **retv)
+void __init acpi_memory_hotplug_init(void)
{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_register_notify_handler");
-
- status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_OK); /* continue */
-
- status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
- acpi_memory_device_notify, NULL);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
+ if (acpi_no_memhotplug) {
+ memory_device_handler.attach = NULL;
+ acpi_scan_add_handler(&memory_device_handler);
+ return;
}
-
- return_ACPI_STATUS(status);
+ acpi_scan_add_handler_with_hotplug(&memory_device_handler, "memory");
}
-static acpi_status
-acpi_memory_deregister_notify_handler (acpi_handle handle,
- u32 level, void *ctxt, void **retv)
+static int __init disable_acpi_memory_hotplug(char *str)
{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler");
-
- status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_OK); /* continue */
-
- status = acpi_remove_notify_handler(handle,
- ACPI_SYSTEM_NOTIFY, acpi_memory_device_notify);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
- }
-
- return_ACPI_STATUS(status);
+ acpi_no_memhotplug = true;
+ return 1;
}
+__setup("acpi_no_memhotplug", disable_acpi_memory_hotplug);
-static int __init
-acpi_memory_device_init (void)
-{
- int result;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_device_init");
-
- result = acpi_bus_register_driver(&acpi_memory_device_driver);
+#else
- if (result < 0)
- return_VALUE(-ENODEV);
-
- status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- acpi_memory_register_notify_handler,
- NULL, NULL);
-
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed\n"));
- acpi_bus_unregister_driver(&acpi_memory_device_driver);
- return_VALUE(-ENODEV);
- }
-
- return_VALUE(0);
-}
+static struct acpi_scan_handler memory_device_handler = {
+ .ids = memory_device_ids,
+};
-static void __exit
-acpi_memory_device_exit (void)
+void __init acpi_memory_hotplug_init(void)
{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("acpi_memory_device_exit");
-
- /*
- * Adding this to un-install notification handlers for all the device
- * handles.
- */
- status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- acpi_memory_deregister_notify_handler,
- NULL, NULL);
-
- if (ACPI_FAILURE (status))
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed\n"));
-
- acpi_bus_unregister_driver(&acpi_memory_device_driver);
-
- return_VOID;
+ acpi_scan_add_handler(&memory_device_handler);
}
-module_init(acpi_memory_device_init);
-module_exit(acpi_memory_device_exit);
-
-
+#endif /* CONFIG_ACPI_HOTPLUG_MEMORY */
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
new file mode 100644
index 00000000000..f148a0580e0
--- /dev/null
+++ b/drivers/acpi/acpi_pad.c
@@ -0,0 +1,523 @@
+/*
+ * acpi_pad.c ACPI Processor Aggregator Driver
+ *
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/cpumask.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/cpu.h>
+#include <linux/clockchips.h>
+#include <linux/slab.h>
+#include <linux/acpi.h>
+#include <asm/mwait.h>
+
+#define ACPI_PROCESSOR_AGGREGATOR_CLASS "acpi_pad"
+#define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
+#define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
+static DEFINE_MUTEX(isolated_cpus_lock);
+static DEFINE_MUTEX(round_robin_lock);
+
+static unsigned long power_saving_mwait_eax;
+
+static unsigned char tsc_detected_unstable;
+static unsigned char tsc_marked_unstable;
+static unsigned char lapic_detected_unstable;
+static unsigned char lapic_marked_unstable;
+
+static void power_saving_mwait_init(void)
+{
+ unsigned int eax, ebx, ecx, edx;
+ unsigned int highest_cstate = 0;
+ unsigned int highest_subcstate = 0;
+ int i;
+
+ if (!boot_cpu_has(X86_FEATURE_MWAIT))
+ return;
+ if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF)
+ return;
+
+ cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
+
+ if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) ||
+ !(ecx & CPUID5_ECX_INTERRUPT_BREAK))
+ return;
+
+ edx >>= MWAIT_SUBSTATE_SIZE;
+ for (i = 0; i < 7 && edx; i++, edx >>= MWAIT_SUBSTATE_SIZE) {
+ if (edx & MWAIT_SUBSTATE_MASK) {
+ highest_cstate = i;
+ highest_subcstate = edx & MWAIT_SUBSTATE_MASK;
+ }
+ }
+ power_saving_mwait_eax = (highest_cstate << MWAIT_SUBSTATE_SIZE) |
+ (highest_subcstate - 1);
+
+#if defined(CONFIG_X86)
+ switch (boot_cpu_data.x86_vendor) {
+ case X86_VENDOR_AMD:
+ case X86_VENDOR_INTEL:
+ /*
+ * AMD Fam10h TSC will tick in all
+ * C/P/S0/S1 states when this bit is set.
+ */
+ if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
+ tsc_detected_unstable = 1;
+ if (!boot_cpu_has(X86_FEATURE_ARAT))
+ lapic_detected_unstable = 1;
+ break;
+ default:
+ /* TSC & LAPIC could halt in idle */
+ tsc_detected_unstable = 1;
+ lapic_detected_unstable = 1;
+ }
+#endif
+}
+
+static unsigned long cpu_weight[NR_CPUS];
+static int tsk_in_cpu[NR_CPUS] = {[0 ... NR_CPUS-1] = -1};
+static DECLARE_BITMAP(pad_busy_cpus_bits, NR_CPUS);
+static void round_robin_cpu(unsigned int tsk_index)
+{
+ struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
+ cpumask_var_t tmp;
+ int cpu;
+ unsigned long min_weight = -1;
+ unsigned long uninitialized_var(preferred_cpu);
+
+ if (!alloc_cpumask_var(&tmp, GFP_KERNEL))
+ return;
+
+ mutex_lock(&round_robin_lock);
+ cpumask_clear(tmp);
+ for_each_cpu(cpu, pad_busy_cpus)
+ cpumask_or(tmp, tmp, topology_thread_cpumask(cpu));
+ cpumask_andnot(tmp, cpu_online_mask, tmp);
+ /* avoid HT sibilings if possible */
+ if (cpumask_empty(tmp))
+ cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus);
+ if (cpumask_empty(tmp)) {
+ mutex_unlock(&round_robin_lock);
+ return;
+ }
+ for_each_cpu(cpu, tmp) {
+ if (cpu_weight[cpu] < min_weight) {
+ min_weight = cpu_weight[cpu];
+ preferred_cpu = cpu;
+ }
+ }
+
+ if (tsk_in_cpu[tsk_index] != -1)
+ cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
+ tsk_in_cpu[tsk_index] = preferred_cpu;
+ cpumask_set_cpu(preferred_cpu, pad_busy_cpus);
+ cpu_weight[preferred_cpu]++;
+ mutex_unlock(&round_robin_lock);
+
+ set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu));
+}
+
+static void exit_round_robin(unsigned int tsk_index)
+{
+ struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
+ cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
+ tsk_in_cpu[tsk_index] = -1;
+}
+
+static unsigned int idle_pct = 5; /* percentage */
+static unsigned int round_robin_time = 1; /* second */
+static int power_saving_thread(void *data)
+{
+ struct sched_param param = {.sched_priority = 1};
+ int do_sleep;
+ unsigned int tsk_index = (unsigned long)data;
+ u64 last_jiffies = 0;
+
+ sched_setscheduler(current, SCHED_RR, &param);
+
+ while (!kthread_should_stop()) {
+ int cpu;
+ unsigned long expire_time;
+
+ try_to_freeze();
+
+ /* round robin to cpus */
+ expire_time = last_jiffies + round_robin_time * HZ;
+ if (time_before(expire_time, jiffies)) {
+ last_jiffies = jiffies;
+ round_robin_cpu(tsk_index);
+ }
+
+ do_sleep = 0;
+
+ expire_time = jiffies + HZ * (100 - idle_pct) / 100;
+
+ while (!need_resched()) {
+ if (tsc_detected_unstable && !tsc_marked_unstable) {
+ /* TSC could halt in idle, so notify users */
+ mark_tsc_unstable("TSC halts in idle");
+ tsc_marked_unstable = 1;
+ }
+ if (lapic_detected_unstable && !lapic_marked_unstable) {
+ int i;
+ /* LAPIC could halt in idle, so notify users */
+ for_each_online_cpu(i)
+ clockevents_notify(
+ CLOCK_EVT_NOTIFY_BROADCAST_ON,
+ &i);
+ lapic_marked_unstable = 1;
+ }
+ local_irq_disable();
+ cpu = smp_processor_id();
+ if (lapic_marked_unstable)
+ clockevents_notify(
+ CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
+ stop_critical_timings();
+
+ mwait_idle_with_hints(power_saving_mwait_eax, 1);
+
+ start_critical_timings();
+ if (lapic_marked_unstable)
+ clockevents_notify(
+ CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
+ local_irq_enable();
+
+ if (time_before(expire_time, jiffies)) {
+ do_sleep = 1;
+ break;
+ }
+ }
+
+ /*
+ * current sched_rt has threshold for rt task running time.
+ * When a rt task uses 95% CPU time, the rt thread will be
+ * scheduled out for 5% CPU time to not starve other tasks. But
+ * the mechanism only works when all CPUs have RT task running,
+ * as if one CPU hasn't RT task, RT task from other CPUs will
+ * borrow CPU time from this CPU and cause RT task use > 95%
+ * CPU time. To make 'avoid starvation' work, takes a nap here.
+ */
+ if (unlikely(do_sleep))
+ schedule_timeout_killable(HZ * idle_pct / 100);
+
+ /* If an external event has set the need_resched flag, then
+ * we need to deal with it, or this loop will continue to
+ * spin without calling __mwait().
+ */
+ if (unlikely(need_resched()))
+ schedule();
+ }
+
+ exit_round_robin(tsk_index);
+ return 0;
+}
+
+static struct task_struct *ps_tsks[NR_CPUS];
+static unsigned int ps_tsk_num;
+static int create_power_saving_task(void)
+{
+ int rc;
+
+ ps_tsks[ps_tsk_num] = kthread_run(power_saving_thread,
+ (void *)(unsigned long)ps_tsk_num,
+ "acpi_pad/%d", ps_tsk_num);
+
+ if (IS_ERR(ps_tsks[ps_tsk_num])) {
+ rc = PTR_ERR(ps_tsks[ps_tsk_num]);
+ ps_tsks[ps_tsk_num] = NULL;
+ } else {
+ rc = 0;
+ ps_tsk_num++;
+ }
+
+ return rc;
+}
+
+static void destroy_power_saving_task(void)
+{
+ if (ps_tsk_num > 0) {
+ ps_tsk_num--;
+ kthread_stop(ps_tsks[ps_tsk_num]);
+ ps_tsks[ps_tsk_num] = NULL;
+ }
+}
+
+static void set_power_saving_task_num(unsigned int num)
+{
+ if (num > ps_tsk_num) {
+ while (ps_tsk_num < num) {
+ if (create_power_saving_task())
+ return;
+ }
+ } else if (num < ps_tsk_num) {
+ while (ps_tsk_num > num)
+ destroy_power_saving_task();
+ }
+}
+
+static void acpi_pad_idle_cpus(unsigned int num_cpus)
+{
+ get_online_cpus();
+
+ num_cpus = min_t(unsigned int, num_cpus, num_online_cpus());
+ set_power_saving_task_num(num_cpus);
+
+ put_online_cpus();
+}
+
+static uint32_t acpi_pad_idle_cpus_num(void)
+{
+ return ps_tsk_num;
+}
+
+static ssize_t acpi_pad_rrtime_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned long num;
+ if (kstrtoul(buf, 0, &num))
+ return -EINVAL;
+ if (num < 1 || num >= 100)
+ return -EINVAL;
+ mutex_lock(&isolated_cpus_lock);
+ round_robin_time = num;
+ mutex_unlock(&isolated_cpus_lock);
+ return count;
+}
+
+static ssize_t acpi_pad_rrtime_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return scnprintf(buf, PAGE_SIZE, "%d\n", round_robin_time);
+}
+static DEVICE_ATTR(rrtime, S_IRUGO|S_IWUSR,
+ acpi_pad_rrtime_show,
+ acpi_pad_rrtime_store);
+
+static ssize_t acpi_pad_idlepct_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned long num;
+ if (kstrtoul(buf, 0, &num))
+ return -EINVAL;
+ if (num < 1 || num >= 100)
+ return -EINVAL;
+ mutex_lock(&isolated_cpus_lock);
+ idle_pct = num;
+ mutex_unlock(&isolated_cpus_lock);
+ return count;
+}
+
+static ssize_t acpi_pad_idlepct_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return scnprintf(buf, PAGE_SIZE, "%d\n", idle_pct);
+}
+static DEVICE_ATTR(idlepct, S_IRUGO|S_IWUSR,
+ acpi_pad_idlepct_show,
+ acpi_pad_idlepct_store);
+
+static ssize_t acpi_pad_idlecpus_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned long num;
+ if (kstrtoul(buf, 0, &num))
+ return -EINVAL;
+ mutex_lock(&isolated_cpus_lock);
+ acpi_pad_idle_cpus(num);
+ mutex_unlock(&isolated_cpus_lock);
+ return count;
+}
+
+static ssize_t acpi_pad_idlecpus_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int n = 0;
+ n = cpumask_scnprintf(buf, PAGE_SIZE-2, to_cpumask(pad_busy_cpus_bits));
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ return n;
+}
+static DEVICE_ATTR(idlecpus, S_IRUGO|S_IWUSR,
+ acpi_pad_idlecpus_show,
+ acpi_pad_idlecpus_store);
+
+static int acpi_pad_add_sysfs(struct acpi_device *device)
+{
+ int result;
+
+ result = device_create_file(&device->dev, &dev_attr_idlecpus);
+ if (result)
+ return -ENODEV;
+ result = device_create_file(&device->dev, &dev_attr_idlepct);
+ if (result) {
+ device_remove_file(&device->dev, &dev_attr_idlecpus);
+ return -ENODEV;
+ }
+ result = device_create_file(&device->dev, &dev_attr_rrtime);
+ if (result) {
+ device_remove_file(&device->dev, &dev_attr_idlecpus);
+ device_remove_file(&device->dev, &dev_attr_idlepct);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void acpi_pad_remove_sysfs(struct acpi_device *device)
+{
+ device_remove_file(&device->dev, &dev_attr_idlecpus);
+ device_remove_file(&device->dev, &dev_attr_idlepct);
+ device_remove_file(&device->dev, &dev_attr_rrtime);
+}
+
+/*
+ * Query firmware how many CPUs should be idle
+ * return -1 on failure
+ */
+static int acpi_pad_pur(acpi_handle handle)
+{
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *package;
+ int num = -1;
+
+ if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PUR", NULL, &buffer)))
+ return num;
+
+ if (!buffer.length || !buffer.pointer)
+ return num;
+
+ package = buffer.pointer;
+
+ if (package->type == ACPI_TYPE_PACKAGE &&
+ package->package.count == 2 &&
+ package->package.elements[0].integer.value == 1) /* rev 1 */
+
+ num = package->package.elements[1].integer.value;
+
+ kfree(buffer.pointer);
+ return num;
+}
+
+static void acpi_pad_handle_notify(acpi_handle handle)
+{
+ int num_cpus;
+ uint32_t idle_cpus;
+ struct acpi_buffer param = {
+ .length = 4,
+ .pointer = (void *)&idle_cpus,
+ };
+
+ mutex_lock(&isolated_cpus_lock);
+ num_cpus = acpi_pad_pur(handle);
+ if (num_cpus < 0) {
+ mutex_unlock(&isolated_cpus_lock);
+ return;
+ }
+ acpi_pad_idle_cpus(num_cpus);
+ idle_cpus = acpi_pad_idle_cpus_num();
+ acpi_evaluate_ost(handle, ACPI_PROCESSOR_AGGREGATOR_NOTIFY, 0, &param);
+ mutex_unlock(&isolated_cpus_lock);
+}
+
+static void acpi_pad_notify(acpi_handle handle, u32 event,
+ void *data)
+{
+ struct acpi_device *device = data;
+
+ switch (event) {
+ case ACPI_PROCESSOR_AGGREGATOR_NOTIFY:
+ acpi_pad_handle_notify(handle);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ dev_name(&device->dev), event, 0);
+ break;
+ default:
+ pr_warn("Unsupported event [0x%x]\n", event);
+ break;
+ }
+}
+
+static int acpi_pad_add(struct acpi_device *device)
+{
+ acpi_status status;
+
+ strcpy(acpi_device_name(device), ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME);
+ strcpy(acpi_device_class(device), ACPI_PROCESSOR_AGGREGATOR_CLASS);
+
+ if (acpi_pad_add_sysfs(device))
+ return -ENODEV;
+
+ status = acpi_install_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY, acpi_pad_notify, device);
+ if (ACPI_FAILURE(status)) {
+ acpi_pad_remove_sysfs(device);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int acpi_pad_remove(struct acpi_device *device)
+{
+ mutex_lock(&isolated_cpus_lock);
+ acpi_pad_idle_cpus(0);
+ mutex_unlock(&isolated_cpus_lock);
+
+ acpi_remove_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY, acpi_pad_notify);
+ acpi_pad_remove_sysfs(device);
+ return 0;
+}
+
+static const struct acpi_device_id pad_device_ids[] = {
+ {"ACPI000C", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, pad_device_ids);
+
+static struct acpi_driver acpi_pad_driver = {
+ .name = "processor_aggregator",
+ .class = ACPI_PROCESSOR_AGGREGATOR_CLASS,
+ .ids = pad_device_ids,
+ .ops = {
+ .add = acpi_pad_add,
+ .remove = acpi_pad_remove,
+ },
+};
+
+static int __init acpi_pad_init(void)
+{
+ power_saving_mwait_init();
+ if (power_saving_mwait_eax == 0)
+ return -EINVAL;
+
+ return acpi_bus_register_driver(&acpi_pad_driver);
+}
+
+static void __exit acpi_pad_exit(void)
+{
+ acpi_bus_unregister_driver(&acpi_pad_driver);
+}
+
+module_init(acpi_pad_init);
+module_exit(acpi_pad_exit);
+MODULE_AUTHOR("Shaohua Li<shaohua.li@intel.com>");
+MODULE_DESCRIPTION("ACPI Processor Aggregator Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
new file mode 100644
index 00000000000..2bf9082f752
--- /dev/null
+++ b/drivers/acpi/acpi_platform.c
@@ -0,0 +1,115 @@
+/*
+ * ACPI support for platform bus type.
+ *
+ * Copyright (C) 2012, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Mathias Nyman <mathias.nyman@linux.intel.com>
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "internal.h"
+
+ACPI_MODULE_NAME("platform");
+
+static const struct acpi_device_id forbidden_id_list[] = {
+ {"PNP0000", 0}, /* PIC */
+ {"PNP0100", 0}, /* Timer */
+ {"PNP0200", 0}, /* AT DMA Controller */
+ {"", 0},
+};
+
+/**
+ * acpi_create_platform_device - Create platform device for ACPI device node
+ * @adev: ACPI device node to create a platform device for.
+ *
+ * Check if the given @adev can be represented as a platform device and, if
+ * that's the case, create and register a platform device, populate its common
+ * resources and returns a pointer to it. Otherwise, return %NULL.
+ *
+ * Name of the platform device will be the same as @adev's.
+ */
+struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
+{
+ struct platform_device *pdev = NULL;
+ struct acpi_device *acpi_parent;
+ struct platform_device_info pdevinfo;
+ struct resource_list_entry *rentry;
+ struct list_head resource_list;
+ struct resource *resources = NULL;
+ int count;
+
+ /* If the ACPI node already has a physical device attached, skip it. */
+ if (adev->physical_node_count)
+ return NULL;
+
+ if (!acpi_match_device_ids(adev, forbidden_id_list))
+ return ERR_PTR(-EINVAL);
+
+ INIT_LIST_HEAD(&resource_list);
+ count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
+ if (count < 0) {
+ return NULL;
+ } else if (count > 0) {
+ resources = kmalloc(count * sizeof(struct resource),
+ GFP_KERNEL);
+ if (!resources) {
+ dev_err(&adev->dev, "No memory for resources\n");
+ acpi_dev_free_resource_list(&resource_list);
+ return ERR_PTR(-ENOMEM);
+ }
+ count = 0;
+ list_for_each_entry(rentry, &resource_list, node)
+ resources[count++] = rentry->res;
+
+ acpi_dev_free_resource_list(&resource_list);
+ }
+
+ memset(&pdevinfo, 0, sizeof(pdevinfo));
+ /*
+ * If the ACPI node has a parent and that parent has a physical device
+ * attached to it, that physical device should be the parent of the
+ * platform device we are about to create.
+ */
+ pdevinfo.parent = NULL;
+ acpi_parent = adev->parent;
+ if (acpi_parent) {
+ struct acpi_device_physical_node *entry;
+ struct list_head *list;
+
+ mutex_lock(&acpi_parent->physical_node_lock);
+ list = &acpi_parent->physical_node_list;
+ if (!list_empty(list)) {
+ entry = list_first_entry(list,
+ struct acpi_device_physical_node,
+ node);
+ pdevinfo.parent = entry->dev;
+ }
+ mutex_unlock(&acpi_parent->physical_node_lock);
+ }
+ pdevinfo.name = dev_name(&adev->dev);
+ pdevinfo.id = -1;
+ pdevinfo.res = resources;
+ pdevinfo.num_res = count;
+ pdevinfo.acpi_node.companion = adev;
+ pdev = platform_device_register_full(&pdevinfo);
+ if (IS_ERR(pdev))
+ dev_err(&adev->dev, "platform device creation failed: %ld\n",
+ PTR_ERR(pdev));
+ else
+ dev_dbg(&adev->dev, "created platform device %s\n",
+ dev_name(&pdev->dev));
+
+ kfree(resources);
+ return pdev;
+}
diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
new file mode 100644
index 00000000000..4ddb0dca56f
--- /dev/null
+++ b/drivers/acpi/acpi_pnp.c
@@ -0,0 +1,397 @@
+/*
+ * ACPI support for PNP bus type
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Authors: Zhang Rui <rui.zhang@intel.com>
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/module.h>
+
+static const struct acpi_device_id acpi_pnp_device_ids[] = {
+ /* soc_button_array */
+ {"PNP0C40"},
+ /* pata_isapnp */
+ {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk controller */
+ /* floppy */
+ {"PNP0700"},
+ /* ipmi_si */
+ {"IPI0001"},
+ /* tpm_inf_pnp */
+ {"IFX0101"}, /* Infineon TPMs */
+ {"IFX0102"}, /* Infineon TPMs */
+ /*tpm_tis */
+ {"PNP0C31"}, /* TPM */
+ {"ATM1200"}, /* Atmel */
+ {"IFX0102"}, /* Infineon */
+ {"BCM0101"}, /* Broadcom */
+ {"BCM0102"}, /* Broadcom */
+ {"NSC1200"}, /* National */
+ {"ICO0102"}, /* Intel */
+ /* ide */
+ {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk controller */
+ /* ns558 */
+ {"ASB16fd"}, /* AdLib NSC16 */
+ {"AZT3001"}, /* AZT1008 */
+ {"CDC0001"}, /* Opl3-SAx */
+ {"CSC0001"}, /* CS4232 */
+ {"CSC000f"}, /* CS4236 */
+ {"CSC0101"}, /* CS4327 */
+ {"CTL7001"}, /* SB16 */
+ {"CTL7002"}, /* AWE64 */
+ {"CTL7005"}, /* Vibra16 */
+ {"ENS2020"}, /* SoundscapeVIVO */
+ {"ESS0001"}, /* ES1869 */
+ {"ESS0005"}, /* ES1878 */
+ {"ESS6880"}, /* ES688 */
+ {"IBM0012"}, /* CS4232 */
+ {"OPT0001"}, /* OPTi Audio16 */
+ {"YMH0006"}, /* Opl3-SA */
+ {"YMH0022"}, /* Opl3-SAx */
+ {"PNPb02f"}, /* Generic */
+ /* i8042 kbd */
+ {"PNP0300"},
+ {"PNP0301"},
+ {"PNP0302"},
+ {"PNP0303"},
+ {"PNP0304"},
+ {"PNP0305"},
+ {"PNP0306"},
+ {"PNP0309"},
+ {"PNP030a"},
+ {"PNP030b"},
+ {"PNP0320"},
+ {"PNP0343"},
+ {"PNP0344"},
+ {"PNP0345"},
+ {"CPQA0D7"},
+ /* i8042 aux */
+ {"AUI0200"},
+ {"FJC6000"},
+ {"FJC6001"},
+ {"PNP0f03"},
+ {"PNP0f0b"},
+ {"PNP0f0e"},
+ {"PNP0f12"},
+ {"PNP0f13"},
+ {"PNP0f19"},
+ {"PNP0f1c"},
+ {"SYN0801"},
+ /* fcpnp */
+ {"AVM0900"},
+ /* radio-cadet */
+ {"MSM0c24"}, /* ADS Cadet AM/FM Radio Card */
+ /* radio-gemtek */
+ {"ADS7183"}, /* AOpen FX-3D/Pro Radio */
+ /* radio-sf16fmr2 */
+ {"MFRad13"}, /* tuner subdevice of SF16-FMD2 */
+ /* ene_ir */
+ {"ENE0100"},
+ {"ENE0200"},
+ {"ENE0201"},
+ {"ENE0202"},
+ /* fintek-cir */
+ {"FIT0002"}, /* CIR */
+ /* ite-cir */
+ {"ITE8704"}, /* Default model */
+ {"ITE8713"}, /* CIR found in EEEBox 1501U */
+ {"ITE8708"}, /* Bridged IT8512 */
+ {"ITE8709"}, /* SRAM-Bridged IT8512 */
+ /* nuvoton-cir */
+ {"WEC0530"}, /* CIR */
+ {"NTN0530"}, /* CIR for new chip's pnp id */
+ /* Winbond CIR */
+ {"WEC1022"},
+ /* wbsd */
+ {"WEC0517"},
+ {"WEC0518"},
+ /* Winbond CIR */
+ {"TCM5090"}, /* 3Com Etherlink III (TP) */
+ {"TCM5091"}, /* 3Com Etherlink III */
+ {"TCM5094"}, /* 3Com Etherlink III (combo) */
+ {"TCM5095"}, /* 3Com Etherlink III (TPO) */
+ {"TCM5098"}, /* 3Com Etherlink III (TPC) */
+ {"PNP80f7"}, /* 3Com Etherlink III compatible */
+ {"PNP80f8"}, /* 3Com Etherlink III compatible */
+ /* nsc-ircc */
+ {"NSC6001"},
+ {"HWPC224"},
+ {"IBM0071"},
+ /* smsc-ircc2 */
+ {"SMCf010"},
+ /* sb1000 */
+ {"GIC1000"},
+ /* parport_pc */
+ {"PNP0400"}, /* Standard LPT Printer Port */
+ {"PNP0401"}, /* ECP Printer Port */
+ /* apple-gmux */
+ {"APP000B"},
+ /* fujitsu-laptop.c */
+ {"FUJ02bf"},
+ {"FUJ02B1"},
+ {"FUJ02E3"},
+ /* system */
+ {"PNP0c02"}, /* General ID for reserving resources */
+ {"PNP0c01"}, /* memory controller */
+ /* rtc_cmos */
+ {"PNP0b00"},
+ {"PNP0b01"},
+ {"PNP0b02"},
+ /* c6xdigio */
+ {"PNP0400"}, /* Standard LPT Printer Port */
+ {"PNP0401"}, /* ECP Printer Port */
+ /* ni_atmio.c */
+ {"NIC1900"},
+ {"NIC2400"},
+ {"NIC2500"},
+ {"NIC2600"},
+ {"NIC2700"},
+ /* serial */
+ {"AAC000F"}, /* Archtek America Corp. Archtek SmartLink Modem 3334BT Plug & Play */
+ {"ADC0001"}, /* Anchor Datacomm BV. SXPro 144 External Data Fax Modem Plug & Play */
+ {"ADC0002"}, /* SXPro 288 External Data Fax Modem Plug & Play */
+ {"AEI0250"}, /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
+ {"AEI1240"}, /* Actiontec ISA PNP 56K X2 Fax Modem */
+ {"AKY1021"}, /* Rockwell 56K ACF II Fax+Data+Voice Modem */
+ {"AZT4001"}, /* AZT3005 PnP SOUND DEVICE */
+ {"BDP3336"}, /* Best Data Products Inc. Smart One 336F PnP Modem */
+ {"BRI0A49"}, /* Boca Complete Ofc Communicator 14.4 Data-FAX */
+ {"BRI1400"}, /* Boca Research 33,600 ACF Modem */
+ {"BRI3400"}, /* Boca 33.6 Kbps Internal FD34FSVD */
+ {"BRI0A49"}, /* Boca 33.6 Kbps Internal FD34FSVD */
+ {"BDP3336"}, /* Best Data Products Inc. Smart One 336F PnP Modem */
+ {"CPI4050"}, /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
+ {"CTL3001"}, /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
+ {"CTL3011"}, /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
+ {"DAV0336"}, /* Davicom ISA 33.6K Modem */
+ {"DMB1032"}, /* Creative Modem Blaster Flash56 DI5601-1 */
+ {"DMB2001"}, /* Creative Modem Blaster V.90 DI5660 */
+ {"ETT0002"}, /* E-Tech CyberBULLET PC56RVP */
+ {"FUJ0202"}, /* Fujitsu 33600 PnP-I2 R Plug & Play */
+ {"FUJ0205"}, /* Fujitsu FMV-FX431 Plug & Play */
+ {"FUJ0206"}, /* Fujitsu 33600 PnP-I4 R Plug & Play */
+ {"FUJ0209"}, /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
+ {"GVC000F"}, /* Archtek SmartLink Modem 3334BT Plug & Play */
+ {"GVC0303"}, /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
+ {"HAY0001"}, /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
+ {"HAY000C"}, /* Hayes Optima 336 V.34 + FAX + Voice PnP */
+ {"HAY000D"}, /* Hayes Optima 336B V.34 + FAX + Voice PnP */
+ {"HAY5670"}, /* Hayes Accura 56K Ext Fax Modem PnP */
+ {"HAY5674"}, /* Hayes Accura 56K Ext Fax Modem PnP */
+ {"HAY5675"}, /* Hayes Accura 56K Fax Modem PnP */
+ {"HAYF000"}, /* Hayes 288, V.34 + FAX */
+ {"HAYF001"}, /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
+ {"IBM0033"}, /* IBM Thinkpad 701 Internal Modem Voice */
+ {"PNP4972"}, /* Intermec CV60 touchscreen port */
+ {"IXDC801"}, /* Intertex 28k8 33k6 Voice EXT PnP */
+ {"IXDC901"}, /* Intertex 33k6 56k Voice EXT PnP */
+ {"IXDD801"}, /* Intertex 28k8 33k6 Voice SP EXT PnP */
+ {"IXDD901"}, /* Intertex 33k6 56k Voice SP EXT PnP */
+ {"IXDF401"}, /* Intertex 28k8 33k6 Voice SP INT PnP */
+ {"IXDF801"}, /* Intertex 28k8 33k6 Voice SP EXT PnP */
+ {"IXDF901"}, /* Intertex 33k6 56k Voice SP EXT PnP */
+ {"KOR4522"}, /* KORTEX 28800 Externe PnP */
+ {"KORF661"}, /* KXPro 33.6 Vocal ASVD PnP */
+ {"LAS4040"}, /* LASAT Internet 33600 PnP */
+ {"LAS4540"}, /* Lasat Safire 560 PnP */
+ {"LAS5440"}, /* Lasat Safire 336 PnP */
+ {"MNP0281"}, /* Microcom TravelPorte FAST V.34 Plug & Play */
+ {"MNP0336"}, /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
+ {"MNP0339"}, /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
+ {"MNP0342"}, /* Microcom DeskPorte 28.8P Plug & Play */
+ {"MNP0500"}, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
+ {"MNP0501"}, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
+ {"MNP0502"}, /* Microcom DeskPorte 28.8S Internal Plug & Play */
+ {"MOT1105"}, /* Motorola BitSURFR Plug & Play */
+ {"MOT1111"}, /* Motorola TA210 Plug & Play */
+ {"MOT1114"}, /* Motorola HMTA 200 (ISDN) Plug & Play */
+ {"MOT1115"}, /* Motorola BitSURFR Plug & Play */
+ {"MOT1190"}, /* Motorola Lifestyle 28.8 Internal */
+ {"MOT1501"}, /* Motorola V.3400 Plug & Play */
+ {"MOT1502"}, /* Motorola Lifestyle 28.8 V.34 Plug & Play */
+ {"MOT1505"}, /* Motorola Power 28.8 V.34 Plug & Play */
+ {"MOT1509"}, /* Motorola ModemSURFR External 28.8 Plug & Play */
+ {"MOT150A"}, /* Motorola Premier 33.6 Desktop Plug & Play */
+ {"MOT150F"}, /* Motorola VoiceSURFR 56K External PnP */
+ {"MOT1510"}, /* Motorola ModemSURFR 56K External PnP */
+ {"MOT1550"}, /* Motorola ModemSURFR 56K Internal PnP */
+ {"MOT1560"}, /* Motorola ModemSURFR Internal 28.8 Plug & Play */
+ {"MOT1580"}, /* Motorola Premier 33.6 Internal Plug & Play */
+ {"MOT15B0"}, /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
+ {"MOT15F0"}, /* Motorola VoiceSURFR 56K Internal PnP */
+ {"MVX00A1"}, /* Deskline K56 Phone System PnP */
+ {"MVX00F2"}, /* PC Rider K56 Phone System PnP */
+ {"nEC8241"}, /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
+ {"PMC2430"}, /* Pace 56 Voice Internal Plug & Play Modem */
+ {"PNP0500"}, /* Generic standard PC COM port */
+ {"PNP0501"}, /* Generic 16550A-compatible COM port */
+ {"PNPC000"}, /* Compaq 14400 Modem */
+ {"PNPC001"}, /* Compaq 2400/9600 Modem */
+ {"PNPC031"}, /* Dial-Up Networking Serial Cable between 2 PCs */
+ {"PNPC032"}, /* Dial-Up Networking Parallel Cable between 2 PCs */
+ {"PNPC100"}, /* Standard 9600 bps Modem */
+ {"PNPC101"}, /* Standard 14400 bps Modem */
+ {"PNPC102"}, /* Standard 28800 bps Modem */
+ {"PNPC103"}, /* Standard Modem */
+ {"PNPC104"}, /* Standard 9600 bps Modem */
+ {"PNPC105"}, /* Standard 14400 bps Modem */
+ {"PNPC106"}, /* Standard 28800 bps Modem */
+ {"PNPC107"}, /* Standard Modem */
+ {"PNPC108"}, /* Standard 9600 bps Modem */
+ {"PNPC109"}, /* Standard 14400 bps Modem */
+ {"PNPC10A"}, /* Standard 28800 bps Modem */
+ {"PNPC10B"}, /* Standard Modem */
+ {"PNPC10C"}, /* Standard 9600 bps Modem */
+ {"PNPC10D"}, /* Standard 14400 bps Modem */
+ {"PNPC10E"}, /* Standard 28800 bps Modem */
+ {"PNPC10F"}, /* Standard Modem */
+ {"PNP2000"}, /* Standard PCMCIA Card Modem */
+ {"ROK0030"}, /* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
+ {"ROK0100"}, /* KORTEX 14400 Externe PnP */
+ {"ROK4120"}, /* Rockwell 28.8 */
+ {"ROK4920"}, /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
+ {"RSS00A0"}, /* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
+ {"RSS0262"}, /* Viking 56K FAX INT */
+ {"RSS0250"}, /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
+ {"SUP1310"}, /* SupraExpress 28.8 Data/Fax PnP modem */
+ {"SUP1381"}, /* SupraExpress 336i PnP Voice Modem */
+ {"SUP1421"}, /* SupraExpress 33.6 Data/Fax PnP modem */
+ {"SUP1590"}, /* SupraExpress 33.6 Data/Fax PnP modem */
+ {"SUP1620"}, /* SupraExpress 336i Sp ASVD */
+ {"SUP1760"}, /* SupraExpress 33.6 Data/Fax PnP modem */
+ {"SUP2171"}, /* SupraExpress 56i Sp Intl */
+ {"TEX0011"}, /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
+ {"UAC000F"}, /* Archtek SmartLink Modem 3334BT Plug & Play */
+ {"USR0000"}, /* 3Com Corp. Gateway Telepath IIvi 33.6 */
+ {"USR0002"}, /* U.S. Robotics Sporster 33.6K Fax INT PnP */
+ {"USR0004"}, /* Sportster Vi 14.4 PnP FAX Voicemail */
+ {"USR0006"}, /* U.S. Robotics 33.6K Voice INT PnP */
+ {"USR0007"}, /* U.S. Robotics 33.6K Voice EXT PnP */
+ {"USR0009"}, /* U.S. Robotics Courier V.Everything INT PnP */
+ {"USR2002"}, /* U.S. Robotics 33.6K Voice INT PnP */
+ {"USR2070"}, /* U.S. Robotics 56K Voice INT PnP */
+ {"USR2080"}, /* U.S. Robotics 56K Voice EXT PnP */
+ {"USR3031"}, /* U.S. Robotics 56K FAX INT */
+ {"USR3050"}, /* U.S. Robotics 56K FAX INT */
+ {"USR3070"}, /* U.S. Robotics 56K Voice INT PnP */
+ {"USR3080"}, /* U.S. Robotics 56K Voice EXT PnP */
+ {"USR3090"}, /* U.S. Robotics 56K Voice INT PnP */
+ {"USR9100"}, /* U.S. Robotics 56K Message */
+ {"USR9160"}, /* U.S. Robotics 56K FAX EXT PnP */
+ {"USR9170"}, /* U.S. Robotics 56K FAX INT PnP */
+ {"USR9180"}, /* U.S. Robotics 56K Voice EXT PnP */
+ {"USR9190"}, /* U.S. Robotics 56K Voice INT PnP */
+ {"WACFXXX"}, /* Wacom tablets */
+ {"FPI2002"}, /* Compaq touchscreen */
+ {"FUJ02B2"}, /* Fujitsu Stylistic touchscreens */
+ {"FUJ02B3"},
+ {"FUJ02B4"}, /* Fujitsu Stylistic LT touchscreens */
+ {"FUJ02B6"}, /* Passive Fujitsu Stylistic touchscreens */
+ {"FUJ02B7"},
+ {"FUJ02B8"},
+ {"FUJ02B9"},
+ {"FUJ02BC"},
+ {"FUJ02E5"}, /* Fujitsu Wacom Tablet PC device */
+ {"FUJ02E6"}, /* Fujitsu P-series tablet PC device */
+ {"FUJ02E7"}, /* Fujitsu Wacom 2FGT Tablet PC device */
+ {"FUJ02E9"}, /* Fujitsu Wacom 1FGT Tablet PC device */
+ {"LTS0001"}, /* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
+ {"WCI0003"}, /* Rockwell's (PORALiNK) 33600 INT PNP */
+ {"WEC1022"}, /* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
+ /* scl200wdt */
+ {"NSC0800"}, /* National Semiconductor PC87307/PC97307 watchdog component */
+ /* mpu401 */
+ {"PNPb006"},
+ /* cs423x-pnpbios */
+ {"CSC0100"},
+ {"CSC0000"},
+ {"GIM0100"}, /* Guillemot Turtlebeach something appears to be cs4232 compatible */
+ /* es18xx-pnpbios */
+ {"ESS1869"},
+ {"ESS1879"},
+ /* snd-opl3sa2-pnpbios */
+ {"YMH0021"},
+ {"NMX2210"}, /* Gateway Solo 2500 */
+ {""},
+};
+
+static bool is_hex_digit(char c)
+{
+ return (c >= 0 && c <= '9') || (c >= 'A' && c <= 'F');
+}
+
+static bool matching_id(char *idstr, char *list_id)
+{
+ int i;
+
+ if (memcmp(idstr, list_id, 3))
+ return false;
+
+ for (i = 3; i < 7; i++) {
+ char c = toupper(idstr[i]);
+
+ if (!is_hex_digit(c)
+ || (list_id[i] != 'X' && c != toupper(list_id[i])))
+ return false;
+ }
+ return true;
+}
+
+static bool acpi_pnp_match(char *idstr, const struct acpi_device_id **matchid)
+{
+ const struct acpi_device_id *devid;
+
+ for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
+ if (matching_id(idstr, (char *)devid->id)) {
+ if (matchid)
+ *matchid = devid;
+
+ return true;
+ }
+
+ return false;
+}
+
+static int acpi_pnp_attach(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ return 1;
+}
+
+static struct acpi_scan_handler acpi_pnp_handler = {
+ .ids = acpi_pnp_device_ids,
+ .match = acpi_pnp_match,
+ .attach = acpi_pnp_attach,
+};
+
+/*
+ * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
+ * there is a CMOS RTC ACPI scan handler installed already, so we need to
+ * check those devices and enumerate them to the PNP bus directly.
+ */
+static int is_cmos_rtc_device(struct acpi_device *adev)
+{
+ struct acpi_device_id ids[] = {
+ { "PNP0B00" },
+ { "PNP0B01" },
+ { "PNP0B02" },
+ {""},
+ };
+ return !acpi_match_device_ids(adev, ids);
+}
+
+bool acpi_is_pnp_device(struct acpi_device *adev)
+{
+ return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
+}
+EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
+
+void __init acpi_pnp_init(void)
+{
+ acpi_scan_add_handler(&acpi_pnp_handler);
+}
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
new file mode 100644
index 00000000000..1c085742644
--- /dev/null
+++ b/drivers/acpi/acpi_processor.c
@@ -0,0 +1,500 @@
+/*
+ * acpi_processor.c - ACPI processor enumeration support
+ *
+ * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
+ * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de>
+ * Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2013, Intel Corporation
+ * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <acpi/processor.h>
+
+#include <asm/cpu.h>
+
+#include "internal.h"
+
+#define _COMPONENT ACPI_PROCESSOR_COMPONENT
+
+ACPI_MODULE_NAME("processor");
+
+DEFINE_PER_CPU(struct acpi_processor *, processors);
+EXPORT_PER_CPU_SYMBOL(processors);
+
+/* --------------------------------------------------------------------------
+ Errata Handling
+ -------------------------------------------------------------------------- */
+
+struct acpi_processor_errata errata __read_mostly;
+EXPORT_SYMBOL_GPL(errata);
+
+static int acpi_processor_errata_piix4(struct pci_dev *dev)
+{
+ u8 value1 = 0;
+ u8 value2 = 0;
+
+
+ if (!dev)
+ return -EINVAL;
+
+ /*
+ * Note that 'dev' references the PIIX4 ACPI Controller.
+ */
+
+ switch (dev->revision) {
+ case 0:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
+ break;
+ case 1:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
+ break;
+ case 2:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
+ break;
+ case 3:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
+ break;
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
+ break;
+ }
+
+ switch (dev->revision) {
+
+ case 0: /* PIIX4 A-step */
+ case 1: /* PIIX4 B-step */
+ /*
+ * See specification changes #13 ("Manual Throttle Duty Cycle")
+ * and #14 ("Enabling and Disabling Manual Throttle"), plus
+ * erratum #5 ("STPCLK# Deassertion Time") from the January
+ * 2002 PIIX4 specification update. Applies to only older
+ * PIIX4 models.
+ */
+ errata.piix4.throttle = 1;
+
+ case 2: /* PIIX4E */
+ case 3: /* PIIX4M */
+ /*
+ * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
+ * Livelock") from the January 2002 PIIX4 specification update.
+ * Applies to all PIIX4 models.
+ */
+
+ /*
+ * BM-IDE
+ * ------
+ * Find the PIIX4 IDE Controller and get the Bus Master IDE
+ * Status register address. We'll use this later to read
+ * each IDE controller's DMA status to make sure we catch all
+ * DMA activity.
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB,
+ PCI_ANY_ID, PCI_ANY_ID, NULL);
+ if (dev) {
+ errata.piix4.bmisx = pci_resource_start(dev, 4);
+ pci_dev_put(dev);
+ }
+
+ /*
+ * Type-F DMA
+ * ----------
+ * Find the PIIX4 ISA Controller and read the Motherboard
+ * DMA controller's status to see if Type-F (Fast) DMA mode
+ * is enabled (bit 7) on either channel. Note that we'll
+ * disable C3 support if this is enabled, as some legacy
+ * devices won't operate well if fast DMA is disabled.
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_0,
+ PCI_ANY_ID, PCI_ANY_ID, NULL);
+ if (dev) {
+ pci_read_config_byte(dev, 0x76, &value1);
+ pci_read_config_byte(dev, 0x77, &value2);
+ if ((value1 & 0x80) || (value2 & 0x80))
+ errata.piix4.fdma = 1;
+ pci_dev_put(dev);
+ }
+
+ break;
+ }
+
+ if (errata.piix4.bmisx)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Bus master activity detection (BM-IDE) erratum enabled\n"));
+ if (errata.piix4.fdma)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Type-F DMA livelock erratum (C3 disabled)\n"));
+
+ return 0;
+}
+
+static int acpi_processor_errata(void)
+{
+ int result = 0;
+ struct pci_dev *dev = NULL;
+
+ /*
+ * PIIX4
+ */
+ dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID,
+ PCI_ANY_ID, NULL);
+ if (dev) {
+ result = acpi_processor_errata_piix4(dev);
+ pci_dev_put(dev);
+ }
+
+ return result;
+}
+
+/* --------------------------------------------------------------------------
+ Initialization
+ -------------------------------------------------------------------------- */
+
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+static int acpi_processor_hotadd_init(struct acpi_processor *pr)
+{
+ unsigned long long sta;
+ acpi_status status;
+ int ret;
+
+ if (pr->apic_id == -1)
+ return -ENODEV;
+
+ status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
+ if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT))
+ return -ENODEV;
+
+ cpu_maps_update_begin();
+ cpu_hotplug_begin();
+
+ ret = acpi_map_lsapic(pr->handle, pr->apic_id, &pr->id);
+ if (ret)
+ goto out;
+
+ ret = arch_register_cpu(pr->id);
+ if (ret) {
+ acpi_unmap_lsapic(pr->id);
+ goto out;
+ }
+
+ /*
+ * CPU got hot-added, but cpu_data is not initialized yet. Set a flag
+ * to delay cpu_idle/throttling initialization and do it when the CPU
+ * gets online for the first time.
+ */
+ pr_info("CPU%d has been hot-added\n", pr->id);
+ pr->flags.need_hotplug_init = 1;
+
+out:
+ cpu_hotplug_done();
+ cpu_maps_update_done();
+ return ret;
+}
+#else
+static inline int acpi_processor_hotadd_init(struct acpi_processor *pr)
+{
+ return -ENODEV;
+}
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
+
+static int acpi_processor_get_info(struct acpi_device *device)
+{
+ union acpi_object object = { 0 };
+ struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
+ struct acpi_processor *pr = acpi_driver_data(device);
+ int apic_id, cpu_index, device_declaration = 0;
+ acpi_status status = AE_OK;
+ static int cpu0_initialized;
+ unsigned long long value;
+
+ acpi_processor_errata();
+
+ /*
+ * Check to see if we have bus mastering arbitration control. This
+ * is required for proper C3 usage (to maintain cache coherency).
+ */
+ if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
+ pr->flags.bm_control = 1;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Bus mastering arbitration control present\n"));
+ } else
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "No bus mastering arbitration control\n"));
+
+ if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
+ /* Declared with "Processor" statement; match ProcessorID */
+ status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&device->dev,
+ "Failed to evaluate processor object (0x%x)\n",
+ status);
+ return -ENODEV;
+ }
+
+ pr->acpi_id = object.processor.proc_id;
+ } else {
+ /*
+ * Declared with "Device" statement; match _UID.
+ * Note that we don't handle string _UIDs yet.
+ */
+ status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
+ NULL, &value);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&device->dev,
+ "Failed to evaluate processor _UID (0x%x)\n",
+ status);
+ return -ENODEV;
+ }
+ device_declaration = 1;
+ pr->acpi_id = value;
+ }
+
+ apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
+ if (apic_id < 0)
+ acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
+ pr->apic_id = apic_id;
+
+ cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id);
+ if (!cpu0_initialized && !acpi_lapic) {
+ cpu0_initialized = 1;
+ /* Handle UP system running SMP kernel, with no LAPIC in MADT */
+ if ((cpu_index == -1) && (num_online_cpus() == 1))
+ cpu_index = 0;
+ }
+ pr->id = cpu_index;
+
+ /*
+ * Extra Processor objects may be enumerated on MP systems with
+ * less than the max # of CPUs. They should be ignored _iff
+ * they are physically not present.
+ */
+ if (pr->id == -1) {
+ int ret = acpi_processor_hotadd_init(pr);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * On some boxes several processors use the same processor bus id.
+ * But they are located in different scope. For example:
+ * \_SB.SCK0.CPU0
+ * \_SB.SCK1.CPU0
+ * Rename the processor device bus id. And the new bus id will be
+ * generated as the following format:
+ * CPU+CPU ID.
+ */
+ sprintf(acpi_device_bid(device), "CPU%X", pr->id);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
+ pr->acpi_id));
+
+ if (!object.processor.pblk_address)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
+ else if (object.processor.pblk_length != 6)
+ dev_err(&device->dev, "Invalid PBLK length [%d]\n",
+ object.processor.pblk_length);
+ else {
+ pr->throttling.address = object.processor.pblk_address;
+ pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
+ pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
+
+ pr->pblk = object.processor.pblk_address;
+
+ /*
+ * We don't care about error returns - we just try to mark
+ * these reserved so that nobody else is confused into thinking
+ * that this region might be unused..
+ *
+ * (In particular, allocating the IO range for Cardbus)
+ */
+ request_region(pr->throttling.address, 6, "ACPI CPU throttle");
+ }
+
+ /*
+ * If ACPI describes a slot number for this CPU, we can use it to
+ * ensure we get the right value in the "physical id" field
+ * of /proc/cpuinfo
+ */
+ status = acpi_evaluate_integer(pr->handle, "_SUN", NULL, &value);
+ if (ACPI_SUCCESS(status))
+ arch_fix_phys_package_id(pr->id, value);
+
+ return 0;
+}
+
+/*
+ * Do not put anything in here which needs the core to be online.
+ * For example MSR access or setting up things which check for cpuinfo_x86
+ * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc.
+ * Such things have to be put in and set up by the processor driver's .probe().
+ */
+static DEFINE_PER_CPU(void *, processor_device_array);
+
+static int acpi_processor_add(struct acpi_device *device,
+ const struct acpi_device_id *id)
+{
+ struct acpi_processor *pr;
+ struct device *dev;
+ int result = 0;
+
+ pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
+ if (!pr)
+ return -ENOMEM;
+
+ if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+ result = -ENOMEM;
+ goto err_free_pr;
+ }
+
+ pr->handle = device->handle;
+ strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
+ strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
+ device->driver_data = pr;
+
+ result = acpi_processor_get_info(device);
+ if (result) /* Processor is not physically present or unavailable */
+ return 0;
+
+#ifdef CONFIG_SMP
+ if (pr->id >= setup_max_cpus && pr->id != 0)
+ return 0;
+#endif
+
+ BUG_ON(pr->id >= nr_cpu_ids);
+
+ /*
+ * Buggy BIOS check.
+ * ACPI id of processors can be reported wrongly by the BIOS.
+ * Don't trust it blindly
+ */
+ if (per_cpu(processor_device_array, pr->id) != NULL &&
+ per_cpu(processor_device_array, pr->id) != device) {
+ dev_warn(&device->dev,
+ "BIOS reported wrong ACPI id %d for the processor\n",
+ pr->id);
+ /* Give up, but do not abort the namespace scan. */
+ goto err;
+ }
+ /*
+ * processor_device_array is not cleared on errors to allow buggy BIOS
+ * checks.
+ */
+ per_cpu(processor_device_array, pr->id) = device;
+ per_cpu(processors, pr->id) = pr;
+
+ dev = get_cpu_device(pr->id);
+ if (!dev) {
+ result = -ENODEV;
+ goto err;
+ }
+
+ result = acpi_bind_one(dev, device);
+ if (result)
+ goto err;
+
+ pr->dev = dev;
+
+ /* Trigger the processor driver's .probe() if present. */
+ if (device_attach(dev) >= 0)
+ return 1;
+
+ dev_err(dev, "Processor driver could not be attached\n");
+ acpi_unbind_one(dev);
+
+ err:
+ free_cpumask_var(pr->throttling.shared_cpu_map);
+ device->driver_data = NULL;
+ per_cpu(processors, pr->id) = NULL;
+ err_free_pr:
+ kfree(pr);
+ return result;
+}
+
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+/* --------------------------------------------------------------------------
+ Removal
+ -------------------------------------------------------------------------- */
+
+static void acpi_processor_remove(struct acpi_device *device)
+{
+ struct acpi_processor *pr;
+
+ if (!device || !acpi_driver_data(device))
+ return;
+
+ pr = acpi_driver_data(device);
+ if (pr->id >= nr_cpu_ids)
+ goto out;
+
+ /*
+ * The only reason why we ever get here is CPU hot-removal. The CPU is
+ * already offline and the ACPI device removal locking prevents it from
+ * being put back online at this point.
+ *
+ * Unbind the driver from the processor device and detach it from the
+ * ACPI companion object.
+ */
+ device_release_driver(pr->dev);
+ acpi_unbind_one(pr->dev);
+
+ /* Clean up. */
+ per_cpu(processor_device_array, pr->id) = NULL;
+ per_cpu(processors, pr->id) = NULL;
+
+ cpu_maps_update_begin();
+ cpu_hotplug_begin();
+
+ /* Remove the CPU. */
+ arch_unregister_cpu(pr->id);
+ acpi_unmap_lsapic(pr->id);
+
+ cpu_hotplug_done();
+ cpu_maps_update_done();
+
+ try_offline_node(cpu_to_node(pr->id));
+
+ out:
+ free_cpumask_var(pr->throttling.shared_cpu_map);
+ kfree(pr);
+}
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
+
+/*
+ * The following ACPI IDs are known to be suitable for representing as
+ * processor devices.
+ */
+static const struct acpi_device_id processor_device_ids[] = {
+
+ { ACPI_PROCESSOR_OBJECT_HID, },
+ { ACPI_PROCESSOR_DEVICE_HID, },
+
+ { }
+};
+
+static struct acpi_scan_handler __refdata processor_handler = {
+ .ids = processor_device_ids,
+ .attach = acpi_processor_add,
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+ .detach = acpi_processor_remove,
+#endif
+ .hotplug = {
+ .enabled = true,
+ },
+};
+
+void __init acpi_processor_init(void)
+{
+ acpi_scan_add_handler_with_hotplug(&processor_handler, "processor");
+}
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
new file mode 100644
index 00000000000..8bb43f06e11
--- /dev/null
+++ b/drivers/acpi/acpica/Makefile
@@ -0,0 +1,179 @@
+#
+# Makefile for ACPICA Core interpreter
+#
+
+ccflags-y := -Os
+ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
+
+# use acpi.o to put all files here into acpi.o modparam namespace
+obj-y += acpi.o
+
+acpi-y := \
+ dsargs.o \
+ dscontrol.o \
+ dsfield.o \
+ dsinit.o \
+ dsmethod.o \
+ dsmthdat.o \
+ dsobject.o \
+ dsopcode.o \
+ dsutils.o \
+ dswexec.o \
+ dswload.o \
+ dswload2.o \
+ dswscope.o \
+ dswstate.o
+
+acpi-y += \
+ evevent.o \
+ evgpe.o \
+ evgpeblk.o \
+ evgpeinit.o \
+ evgpeutil.o \
+ evglock.o \
+ evhandler.o \
+ evmisc.o \
+ evregion.o \
+ evrgnini.o \
+ evsci.o \
+ evxface.o \
+ evxfevnt.o \
+ evxfgpe.o \
+ evxfregn.o
+
+acpi-y += \
+ exconfig.o \
+ exconvrt.o \
+ excreate.o \
+ exdebug.o \
+ exdump.o \
+ exfield.o \
+ exfldio.o \
+ exmutex.o \
+ exnames.o \
+ exoparg1.o \
+ exoparg2.o \
+ exoparg3.o \
+ exoparg6.o \
+ exprep.o \
+ exmisc.o \
+ exregion.o \
+ exresnte.o \
+ exresolv.o \
+ exresop.o \
+ exstore.o \
+ exstoren.o \
+ exstorob.o \
+ exsystem.o \
+ exutils.o
+
+acpi-y += \
+ hwacpi.o \
+ hwesleep.o \
+ hwgpe.o \
+ hwpci.o \
+ hwregs.o \
+ hwsleep.o \
+ hwvalid.o \
+ hwxface.o \
+ hwxfsleep.o
+
+acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
+
+acpi-y += \
+ nsaccess.o \
+ nsalloc.o \
+ nsarguments.o \
+ nsconvert.o \
+ nsdump.o \
+ nseval.o \
+ nsinit.o \
+ nsload.o \
+ nsnames.o \
+ nsobject.o \
+ nsparse.o \
+ nspredef.o \
+ nsprepkg.o \
+ nsrepair.o \
+ nsrepair2.o \
+ nssearch.o \
+ nsutils.o \
+ nswalk.o \
+ nsxfeval.o \
+ nsxfname.o \
+ nsxfobj.o
+
+acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
+
+acpi-y += \
+ psargs.o \
+ psloop.o \
+ psobject.o \
+ psopcode.o \
+ psopinfo.o \
+ psparse.o \
+ psscope.o \
+ pstree.o \
+ psutils.o \
+ pswalk.o \
+ psxface.o
+
+acpi-y += \
+ rsaddr.o \
+ rscalc.o \
+ rscreate.o \
+ rsdump.o \
+ rsdumpinfo.o \
+ rsinfo.o \
+ rsio.o \
+ rsirq.o \
+ rslist.o \
+ rsmemory.o \
+ rsmisc.o \
+ rsserial.o \
+ rsutils.o \
+ rsxface.o
+
+acpi-y += \
+ tbdata.o \
+ tbfadt.o \
+ tbfind.o \
+ tbinstal.o \
+ tbprint.o \
+ tbutils.o \
+ tbxface.o \
+ tbxfload.o \
+ tbxfroot.o
+
+acpi-y += \
+ utaddress.o \
+ utalloc.o \
+ utbuffer.o \
+ utcopy.o \
+ utexcep.o \
+ utdebug.o \
+ utdecode.o \
+ utdelete.o \
+ uterror.o \
+ uteval.o \
+ utglobal.o \
+ utids.o \
+ utinit.o \
+ utlock.o \
+ utmath.o \
+ utmisc.o \
+ utmutex.o \
+ utobject.o \
+ utosi.o \
+ utownerid.o \
+ utpredef.o \
+ utresrc.o \
+ utstate.o \
+ utstring.o \
+ utxface.o \
+ utxfinit.o \
+ utxferror.o \
+ utxfmutex.o
+
+acpi-$(ACPI_FUTURE_USAGE) += uttrack.o utcache.o
+
diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h
new file mode 100644
index 00000000000..8698ffba6f3
--- /dev/null
+++ b/drivers/acpi/acpica/acapps.h
@@ -0,0 +1,170 @@
+/******************************************************************************
+ *
+ * Module Name: acapps - common include for ACPI applications/tools
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _ACAPPS
+#define _ACAPPS
+
+/* Common info for tool signons */
+
+#define ACPICA_NAME "Intel ACPI Component Architecture"
+#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2014 Intel Corporation"
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_WIDTH "-64"
+
+#elif ACPI_MACHINE_WIDTH == 32
+#define ACPI_WIDTH "-32"
+
+#else
+#error unknown ACPI_MACHINE_WIDTH
+#define ACPI_WIDTH "-??"
+
+#endif
+
+/* Macros for signons and file headers */
+
+#define ACPI_COMMON_SIGNON(utility_name) \
+ "\n%s\n%s version %8.8X%s [%s]\n%s\n\n", \
+ ACPICA_NAME, \
+ utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+ ACPICA_COPYRIGHT
+
+#define ACPI_COMMON_HEADER(utility_name, prefix) \
+ "%s%s\n%s%s version %8.8X%s [%s]\n%s%s\n%s\n", \
+ prefix, ACPICA_NAME, \
+ prefix, utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+ prefix, ACPICA_COPYRIGHT, \
+ prefix
+
+/* Macros for usage messages */
+
+#define ACPI_USAGE_HEADER(usage) \
+ printf ("Usage: %s\nOptions:\n", usage);
+
+#define ACPI_OPTION(name, description) \
+ printf (" %-18s%s\n", name, description);
+
+#define FILE_SUFFIX_DISASSEMBLY "dsl"
+#define ACPI_TABLE_FILE_SUFFIX ".dat"
+
+/*
+ * getopt
+ */
+int acpi_getopt(int argc, char **argv, char *opts);
+
+int acpi_getopt_argument(int argc, char **argv);
+
+extern int acpi_gbl_optind;
+extern int acpi_gbl_opterr;
+extern int acpi_gbl_sub_opt_char;
+extern char *acpi_gbl_optarg;
+
+/*
+ * cmfsize - Common get file size function
+ */
+u32 cm_get_file_size(FILE * file);
+
+#ifndef ACPI_DUMP_APP
+/*
+ * adisasm
+ */
+acpi_status
+ad_aml_disassemble(u8 out_to_file,
+ char *filename, char *prefix, char **out_filename);
+
+void ad_print_statistics(void);
+
+acpi_status ad_find_dsdt(u8 **dsdt_ptr, u32 *dsdt_length);
+
+void ad_dump_tables(void);
+
+acpi_status ad_get_local_tables(void);
+
+acpi_status
+ad_parse_table(struct acpi_table_header *table,
+ acpi_owner_id * owner_id, u8 load_table, u8 external);
+
+acpi_status ad_display_tables(char *filename, struct acpi_table_header *table);
+
+acpi_status ad_display_statistics(void);
+
+/*
+ * adwalk
+ */
+void
+acpi_dm_cross_reference_namespace(union acpi_parse_object *parse_tree_root,
+ struct acpi_namespace_node *namespace_root,
+ acpi_owner_id owner_id);
+
+void acpi_dm_dump_tree(union acpi_parse_object *origin);
+
+void acpi_dm_find_orphan_methods(union acpi_parse_object *origin);
+
+void
+acpi_dm_finish_namespace_load(union acpi_parse_object *parse_tree_root,
+ struct acpi_namespace_node *namespace_root,
+ acpi_owner_id owner_id);
+
+void
+acpi_dm_convert_resource_indexes(union acpi_parse_object *parse_tree_root,
+ struct acpi_namespace_node *namespace_root);
+
+/*
+ * adfile
+ */
+acpi_status ad_initialize(void);
+
+char *fl_generate_filename(char *input_filename, char *suffix);
+
+acpi_status
+fl_split_input_pathname(char *input_path,
+ char **out_directory_path, char **out_filename);
+
+char *ad_generate_filename(char *prefix, char *table_id);
+
+void
+ad_write_table(struct acpi_table_header *table,
+ u32 length, char *table_name, char *oem_table_id);
+#endif
+
+#endif /* _ACAPPS */
diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h
new file mode 100644
index 00000000000..6f1c616910a
--- /dev/null
+++ b/drivers/acpi/acpica/accommon.h
@@ -0,0 +1,63 @@
+/******************************************************************************
+ *
+ * Name: accommon.h - Common include files for generation of ACPICA source
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACCOMMON_H__
+#define __ACCOMMON_H__
+
+/*
+ * Common set of includes for all ACPICA source files.
+ * We put them here because we don't want to duplicate them
+ * in the the source code again and again.
+ *
+ * Note: The order of these include files is important.
+ */
+#include <acpi/acconfig.h> /* Global configuration constants */
+#include "acmacros.h" /* C macros */
+#include "aclocal.h" /* Internal data types */
+#include "acobject.h" /* ACPI internal object */
+#include "acstruct.h" /* Common structures */
+#include "acglobal.h" /* All global variables */
+#include "achware.h" /* Hardware defines and interfaces */
+#include "acutils.h" /* Utility interfaces */
+
+#endif /* __ACCOMMON_H__ */
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
new file mode 100644
index 00000000000..68a91eb0fa4
--- /dev/null
+++ b/drivers/acpi/acpica/acdebug.h
@@ -0,0 +1,285 @@
+/******************************************************************************
+ *
+ * Name: acdebug.h - ACPI/AML debugger
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACDEBUG_H__
+#define __ACDEBUG_H__
+
+#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */
+
+struct acpi_db_command_info {
+ char *name; /* Command Name */
+ u8 min_args; /* Minimum arguments required */
+};
+
+struct acpi_db_command_help {
+ u8 line_count; /* Number of help lines */
+ char *invocation; /* Command Invocation */
+ char *description; /* Command Description */
+};
+
+struct acpi_db_argument_info {
+ char *name; /* Argument Name */
+};
+
+struct acpi_db_execute_walk {
+ u32 count;
+ u32 max_count;
+};
+
+#define PARAM_LIST(pl) pl
+#define DBTEST_OUTPUT_LEVEL(lvl) if (acpi_gbl_db_opt_verbose)
+#define VERBOSE_PRINT(fp) DBTEST_OUTPUT_LEVEL(lvl) {\
+ acpi_os_printf PARAM_LIST(fp);}
+
+#define EX_NO_SINGLE_STEP 1
+#define EX_SINGLE_STEP 2
+
+/*
+ * dbxface - external debugger interfaces
+ */
+acpi_status acpi_db_initialize(void);
+
+void acpi_db_terminate(void);
+
+acpi_status
+acpi_db_single_step(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op, u32 op_type);
+
+/*
+ * dbcmds - debug commands and output routines
+ */
+struct acpi_namespace_node *acpi_db_convert_to_node(char *in_string);
+
+void acpi_db_display_table_info(char *table_arg);
+
+void acpi_db_display_template(char *buffer_arg);
+
+void acpi_db_unload_acpi_table(char *name);
+
+void acpi_db_send_notify(char *name, u32 value);
+
+void acpi_db_display_interfaces(char *action_arg, char *interface_name_arg);
+
+acpi_status acpi_db_sleep(char *object_arg);
+
+void acpi_db_display_locks(void);
+
+void acpi_db_display_resources(char *object_arg);
+
+ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_display_gpes(void))
+
+void acpi_db_display_handlers(void);
+
+ACPI_HW_DEPENDENT_RETURN_VOID(void
+ acpi_db_generate_gpe(char *gpe_arg,
+ char *block_arg))
+ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_generate_sci(void))
+
+void acpi_db_execute_test(char *type_arg);
+
+/*
+ * dbconvert - miscellaneous conversion routines
+ */
+acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value);
+
+acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object);
+
+acpi_status
+acpi_db_convert_to_object(acpi_object_type type,
+ char *string, union acpi_object *object);
+
+u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info);
+
+void acpi_db_dump_pld_buffer(union acpi_object *obj_desc);
+
+/*
+ * dbmethod - control method commands
+ */
+void
+acpi_db_set_method_breakpoint(char *location,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+void acpi_db_set_method_call_breakpoint(union acpi_parse_object *op);
+
+void acpi_db_set_method_data(char *type_arg, char *index_arg, char *value_arg);
+
+acpi_status acpi_db_disassemble_method(char *name);
+
+void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op);
+
+void acpi_db_batch_execute(char *count_arg);
+
+/*
+ * dbnames - namespace commands
+ */
+void acpi_db_set_scope(char *name);
+
+void acpi_db_dump_namespace(char *start_arg, char *depth_arg);
+
+void acpi_db_dump_namespace_paths(void);
+
+void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg);
+
+acpi_status acpi_db_find_name_in_namespace(char *name_arg);
+
+void acpi_db_check_predefined_names(void);
+
+acpi_status
+acpi_db_display_objects(char *obj_type_arg, char *display_count_arg);
+
+void acpi_db_check_integrity(void);
+
+void acpi_db_find_references(char *object_arg);
+
+void acpi_db_get_bus_info(void);
+
+/*
+ * dbdisply - debug display commands
+ */
+void acpi_db_display_method_info(union acpi_parse_object *op);
+
+void acpi_db_decode_and_display_object(char *target, char *output_type);
+
+void
+acpi_db_display_result_object(union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status acpi_db_display_all_methods(char *display_count_arg);
+
+void acpi_db_display_arguments(void);
+
+void acpi_db_display_locals(void);
+
+void acpi_db_display_results(void);
+
+void acpi_db_display_calling_tree(void);
+
+void acpi_db_display_object_type(char *object_arg);
+
+void
+acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * dbexec - debugger control method execution
+ */
+void
+acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags);
+
+void
+acpi_db_create_execution_threads(char *num_threads_arg,
+ char *num_loops_arg, char *method_name_arg);
+
+void acpi_db_delete_objects(u32 count, union acpi_object *objects);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+u32 acpi_db_get_cache_info(struct acpi_memory_list *cache);
+#endif
+
+/*
+ * dbfileio - Debugger file I/O commands
+ */
+acpi_object_type
+acpi_db_match_argument(char *user_argument,
+ struct acpi_db_argument_info *arguments);
+
+void acpi_db_close_debug_file(void);
+
+void acpi_db_open_debug_file(char *name);
+
+acpi_status acpi_db_load_acpi_table(char *filename);
+
+acpi_status
+acpi_db_get_table_from_file(char *filename, struct acpi_table_header **table);
+
+acpi_status
+acpi_db_read_table_from_file(char *filename, struct acpi_table_header **table);
+
+/*
+ * dbhistry - debugger HISTORY command
+ */
+void acpi_db_add_to_history(char *command_line);
+
+void acpi_db_display_history(void);
+
+char *acpi_db_get_from_history(char *command_num_arg);
+
+char *acpi_db_get_history_by_index(u32 commandd_num);
+
+/*
+ * dbinput - user front-end to the AML debugger
+ */
+acpi_status
+acpi_db_command_dispatch(char *input_buffer,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context);
+
+acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op);
+
+char *acpi_db_get_next_token(char *string,
+ char **next, acpi_object_type * return_type);
+
+/*
+ * dbstats - Generation and display of ACPI table statistics
+ */
+void acpi_db_generate_statistics(union acpi_parse_object *root, u8 is_method);
+
+acpi_status acpi_db_display_statistics(char *type_arg);
+
+/*
+ * dbutils - AML debugger utilities
+ */
+void acpi_db_set_output_destination(u32 where);
+
+void acpi_db_dump_external_object(union acpi_object *obj_desc, u32 level);
+
+void acpi_db_prep_namestring(char *name);
+
+struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name);
+
+void acpi_db_uint32_to_hex_string(u32 value, char *buffer);
+
+#endif /* __ACDEBUG_H__ */
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
new file mode 100644
index 00000000000..d3e2cc395d7
--- /dev/null
+++ b/drivers/acpi/acpica/acdispat.h
@@ -0,0 +1,357 @@
+/******************************************************************************
+ *
+ * Name: acdispat.h - dispatcher (parser to interpreter interface)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _ACDISPAT_H_
+#define _ACDISPAT_H_
+
+#define NAMEOF_LOCAL_NTE "__L0"
+#define NAMEOF_ARG_NTE "__A0"
+
+/*
+ * dsargs - execution of dynamic arguments for static objects
+ */
+acpi_status
+acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
+
+acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
+
+acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
+
+acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
+
+/*
+ * dscontrol - support for execution control opcodes
+ */
+acpi_status
+acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+/*
+ * dsopcode - support for late operand evaluation
+ */
+acpi_status
+acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
+
+/*
+ * dsexec - Parser/Interpreter interface, method execution callbacks
+ */
+acpi_status
+acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *result_obj);
+
+acpi_status
+acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op);
+
+acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
+
+/*
+ * dsfield - Parser/Interpreter interface for AML fields
+ */
+acpi_status
+acpi_ds_create_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_create_bank_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_create_index_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_create_buffer_field(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_init_field_objects(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * dsload - Parser/Interpreter interface
+ */
+acpi_status
+acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
+
+/* dsload - pass 1 namespace load callbacks */
+
+acpi_status
+acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op);
+
+acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
+
+/* dsload - pass 2 namespace load callbacks */
+
+acpi_status
+acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op);
+
+acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
+
+/*
+ * dsmthdat - method data (locals/args)
+ */
+acpi_status
+acpi_ds_store_object_to_local(u8 type,
+ u32 index,
+ union acpi_operand_object *src_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_method_data_get_entry(u16 opcode,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ union acpi_operand_object ***node);
+
+void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
+
+u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ds_method_data_get_value(u8 type,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ union acpi_operand_object **dest_desc);
+
+acpi_status
+acpi_ds_method_data_init_args(union acpi_operand_object **params,
+ u32 max_param_count,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_method_data_get_node(u8 type,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **node);
+
+void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
+
+/*
+ * dsmethod - Parser/Interpreter interface - control method parsing
+ */
+acpi_status
+acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
+ union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ds_call_control_method(struct acpi_thread_state *thread,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *return_desc);
+
+void
+acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
+
+/*
+ * dsinit
+ */
+acpi_status
+acpi_ds_initialize_objects(u32 table_index,
+ struct acpi_namespace_node *start_node);
+
+/*
+ * dsobject - Parser/Interpreter interface - object initialization and conversion
+ */
+acpi_status
+acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u32 buffer_length,
+ union acpi_operand_object **obj_desc_ptr);
+
+acpi_status
+acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u32 package_length,
+ union acpi_operand_object **obj_desc);
+
+acpi_status
+acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u16 opcode, union acpi_operand_object **obj_desc);
+
+acpi_status
+acpi_ds_create_node(struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node *node,
+ union acpi_parse_object *op);
+
+/*
+ * dsutils - Parser/Interpreter interface utility routines
+ */
+void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
+
+u8
+acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
+ struct acpi_walk_state *walk_state,
+ u8 add_reference);
+
+u8
+acpi_ds_is_result_used(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state);
+
+void
+acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
+ union acpi_operand_object *result_obj,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_create_operand(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg, u32 args_remaining);
+
+acpi_status
+acpi_ds_create_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *first_arg);
+
+acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
+
+void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
+
+/*
+ * dswscope - Scope Stack manipulation
+ */
+acpi_status
+acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
+
+void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
+
+/*
+ * dswstate - parser WALK_STATE management routines
+ */
+acpi_status
+acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
+
+struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id,
+ union acpi_parse_object
+ *origin,
+ union acpi_operand_object
+ *mth_desc,
+ struct acpi_thread_state
+ *thread);
+
+acpi_status
+acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ struct acpi_namespace_node *method_node,
+ u8 * aml_start,
+ u32 aml_length,
+ struct acpi_evaluate_info *info, u8 pass_number);
+
+void
+acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
+ struct acpi_walk_state *walk_state);
+
+void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
+
+struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
+ *thread);
+
+void
+acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
+ struct acpi_thread_state *thread);
+
+acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
+
+struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
+ *thread);
+
+acpi_status
+acpi_ds_result_pop(union acpi_operand_object **object,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ds_result_push(union acpi_operand_object *object,
+ struct acpi_walk_state *walk_state);
+
+#endif /* _ACDISPAT_H_ */
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
new file mode 100644
index 00000000000..7a7811a9fc2
--- /dev/null
+++ b/drivers/acpi/acpica/acevents.h
@@ -0,0 +1,255 @@
+/******************************************************************************
+ *
+ * Name: acevents.h - Event subcomponent prototypes and defines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACEVENTS_H__
+#define __ACEVENTS_H__
+
+/*
+ * evevent
+ */
+acpi_status acpi_ev_initialize_events(void);
+
+acpi_status acpi_ev_install_xrupt_handlers(void);
+
+u32 acpi_ev_fixed_event_detect(void);
+
+/*
+ * evmisc
+ */
+u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
+
+u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
+
+acpi_status
+acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
+ u32 notify_value);
+
+/*
+ * evglock - Global Lock support
+ */
+acpi_status acpi_ev_init_global_lock_handler(void);
+
+ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
+ acpi_ev_acquire_global_lock(u16 timeout))
+ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void))
+acpi_status acpi_ev_remove_global_lock_handler(void);
+
+/*
+ * evgpe - Low-level GPE support
+ */
+u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
+
+acpi_status
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status
+acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status
+acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
+
+struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
+ u32 gpe_number);
+
+struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
+ struct acpi_gpe_block_info
+ *gpe_block);
+
+acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
+/*
+ * evgpeblk - Upper-level GPE block support
+ */
+acpi_status
+acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
+ u64 address,
+ u8 space_id,
+ u32 register_count,
+ u16 gpe_block_base_number,
+ u32 interrupt_number,
+ struct acpi_gpe_block_info **return_gpe_block);
+
+acpi_status
+acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context);
+
+ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
+ acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
+ *gpe_block))
+
+u32
+acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
+ struct acpi_gpe_event_info *gpe_event_info,
+ u32 gpe_number);
+
+/*
+ * evgpeinit - GPE initialization and update
+ */
+acpi_status acpi_ev_gpe_initialize(void);
+
+ACPI_HW_DEPENDENT_RETURN_VOID(void
+ acpi_ev_update_gpes(acpi_owner_id table_owner_id))
+
+acpi_status
+acpi_ev_match_gpe_method(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+/*
+ * evgpeutil - GPE utilities
+ */
+acpi_status
+acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
+
+u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status
+acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context);
+
+acpi_status
+acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
+ struct acpi_gpe_xrupt_info **gpe_xrupt_block);
+
+acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
+
+acpi_status
+acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context);
+
+/*
+ * evhandler - Address space handling
+ */
+u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id);
+
+acpi_status acpi_ev_install_region_handlers(void);
+
+acpi_status
+acpi_ev_install_space_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context);
+
+/*
+ * evregion - Operation region support
+ */
+acpi_status acpi_ev_initialize_op_regions(void);
+
+acpi_status
+acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
+ union acpi_operand_object *field_obj,
+ u32 function,
+ u32 region_offset, u32 bit_width, u64 *value);
+
+acpi_status
+acpi_ev_attach_region(union acpi_operand_object *handler_obj,
+ union acpi_operand_object *region_obj,
+ u8 acpi_ns_is_locked);
+
+void
+acpi_ev_detach_region(union acpi_operand_object *region_obj,
+ u8 acpi_ns_is_locked);
+
+acpi_status
+acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id);
+
+acpi_status
+acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
+
+/*
+ * evregini - Region initialization and setup
+ */
+acpi_status
+acpi_ev_system_memory_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context,
+ void **region_context);
+
+acpi_status
+acpi_ev_io_space_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context);
+
+acpi_status
+acpi_ev_pci_config_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context);
+
+acpi_status
+acpi_ev_cmos_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context);
+
+acpi_status
+acpi_ev_pci_bar_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context);
+
+acpi_status
+acpi_ev_default_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context);
+
+acpi_status
+acpi_ev_initialize_region(union acpi_operand_object *region_obj,
+ u8 acpi_ns_locked);
+
+/*
+ * evsci - SCI (System Control Interrupt) handling/dispatch
+ */
+u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
+
+u32 acpi_ev_sci_dispatch(void);
+
+u32 acpi_ev_install_sci_handler(void);
+
+acpi_status acpi_ev_remove_all_sci_handlers(void);
+
+ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
+#endif /* __ACEVENTS_H__ */
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
new file mode 100644
index 00000000000..115eedcade1
--- /dev/null
+++ b/drivers/acpi/acpica/acglobal.h
@@ -0,0 +1,377 @@
+/******************************************************************************
+ *
+ * Name: acglobal.h - Declarations for global variables
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACGLOBAL_H__
+#define __ACGLOBAL_H__
+
+/*****************************************************************************
+ *
+ * Globals related to the ACPI tables
+ *
+ ****************************************************************************/
+
+/* Master list of all ACPI tables that were found in the RSDT/XSDT */
+
+ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
+
+/* DSDT information. Used to check for DSDT corruption */
+
+ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
+ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
+
+#if (!ACPI_REDUCED_HARDWARE)
+ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+/* These addresses are calculated from the FADT Event Block addresses */
+
+ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
+ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
+
+ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
+ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
+
+/*
+ * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
+ * determined by the revision of the DSDT: If the DSDT revision is less than
+ * 2, use only the lower 32 bits of the internal 64-bit Integer.
+ */
+ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
+ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
+ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
+
+/*****************************************************************************
+ *
+ * Mutual exclusion within ACPICA subsystem
+ *
+ ****************************************************************************/
+
+/*
+ * Predefined mutex objects. This array contains the
+ * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
+ * (The table maps local handles to the real OS handles)
+ */
+ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
+
+/*
+ * Global lock mutex is an actual AML mutex object
+ * Global lock semaphore works in conjunction with the actual global lock
+ * Global lock spinlock is used for "pending" handshake
+ */
+ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
+ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
+ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
+ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
+ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
+ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
+ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
+
+/*
+ * Spinlocks are used for interfaces that can be possibly called at
+ * interrupt level
+ */
+ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */
+ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
+ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
+
+/* Mutex for _OSI support */
+
+ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
+
+/* Reader/Writer lock is used for namespace walk and dynamic table unload */
+
+ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
+
+/*****************************************************************************
+ *
+ * Miscellaneous globals
+ *
+ ****************************************************************************/
+
+/* Object caches */
+
+ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
+ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
+ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
+ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
+ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
+
+/* System */
+
+ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
+
+/* Global handlers */
+
+ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
+ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
+ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
+ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
+ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
+ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
+ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
+
+/* Owner ID support */
+
+ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
+ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
+ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
+
+/* Initialization sequencing */
+
+ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
+
+/* Misc */
+
+ACPI_GLOBAL(u32, acpi_gbl_original_mode);
+ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
+ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
+ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
+ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
+ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
+ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
+ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
+ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
+ACPI_GLOBAL(struct acpi_address_range *,
+ acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
+
+/* Other miscellaneous, declared and initialized in utglobal */
+
+extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
+extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
+extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
+extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
+extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+/* Lists for tracking memory allocations (debug only) */
+
+ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
+ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
+ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
+ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
+#endif
+
+/*****************************************************************************
+ *
+ * Namespace globals
+ *
+ ****************************************************************************/
+
+#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+#define NUM_PREDEFINED_NAMES 10
+#else
+#define NUM_PREDEFINED_NAMES 9
+#endif
+
+ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
+ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
+ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
+ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
+
+extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
+extern const struct acpi_predefined_names
+ acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
+
+#ifdef ACPI_DEBUG_OUTPUT
+ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
+ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
+ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
+ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
+ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
+ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
+ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
+#endif
+
+/*****************************************************************************
+ *
+ * Interpreter globals
+ *
+ ****************************************************************************/
+
+ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
+
+/* Control method single step flag */
+
+ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
+
+/*****************************************************************************
+ *
+ * Hardware globals
+ *
+ ****************************************************************************/
+
+extern struct acpi_bit_register_info
+ acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
+
+ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
+ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
+
+/*****************************************************************************
+ *
+ * Event and GPE globals
+ *
+ ****************************************************************************/
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
+ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
+ACPI_GLOBAL(struct acpi_gpe_block_info *,
+ acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
+ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
+ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
+ACPI_GLOBAL(struct acpi_fixed_event_handler,
+ acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
+
+extern struct acpi_fixed_event_info
+ acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+/*****************************************************************************
+ *
+ * Debug support
+ *
+ ****************************************************************************/
+
+/* Event counters */
+
+ACPI_GLOBAL(u32, acpi_method_count);
+ACPI_GLOBAL(u32, acpi_gpe_count);
+ACPI_GLOBAL(u32, acpi_sci_count);
+ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
+
+/* Support for dynamic control method tracing mechanism */
+
+ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
+ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
+ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level);
+ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer);
+
+/*****************************************************************************
+ *
+ * Debugger and Disassembler globals
+ *
+ ****************************************************************************/
+
+ACPI_GLOBAL(u8, acpi_gbl_db_output_flags);
+
+#ifdef ACPI_DISASSEMBLER
+
+/* Do not disassemble buffers to resource descriptors */
+
+ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
+
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm);
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose);
+ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
+ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
+ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
+ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
+#endif
+
+#ifdef ACPI_DEBUGGER
+
+ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
+
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_tables);
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_stats);
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_ini_methods);
+ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
+ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
+ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
+ACPI_GLOBAL(char *, acpi_gbl_db_filename);
+ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
+ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
+ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
+
+ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
+ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
+
+/* These buffers should all be the same size */
+
+ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
+ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
+ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
+ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
+
+/*
+ * Statistic globals
+ */
+ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
+ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
+ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
+ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
+ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
+ACPI_GLOBAL(u32, acpi_gbl_num_objects);
+
+#endif /* ACPI_DEBUGGER */
+
+/*****************************************************************************
+ *
+ * Application globals
+ *
+ ****************************************************************************/
+
+#ifdef ACPI_APPLICATION
+
+ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
+
+#endif /* ACPI_APPLICATION */
+
+/*****************************************************************************
+ *
+ * Info/help support
+ *
+ ****************************************************************************/
+
+extern const struct ah_predefined_name asl_predefined_info[];
+extern const struct ah_device_id asl_device_ids[];
+
+#endif /* __ACGLOBAL_H__ */
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
new file mode 100644
index 00000000000..2ad2351a983
--- /dev/null
+++ b/drivers/acpi/acpica/achware.h
@@ -0,0 +1,150 @@
+/******************************************************************************
+ *
+ * Name: achware.h -- hardware specific interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACHWARE_H__
+#define __ACHWARE_H__
+
+/* Values for the _SST predefined method */
+
+#define ACPI_SST_INDICATOR_OFF 0
+#define ACPI_SST_WORKING 1
+#define ACPI_SST_WAKING 2
+#define ACPI_SST_SLEEPING 3
+#define ACPI_SST_SLEEP_CONTEXT 4
+
+/*
+ * hwacpi - high level functions
+ */
+acpi_status acpi_hw_set_mode(u32 mode);
+
+u32 acpi_hw_get_mode(void);
+
+/*
+ * hwregs - ACPI Register I/O
+ */
+acpi_status
+acpi_hw_validate_register(struct acpi_generic_address *reg,
+ u8 max_bit_width, u64 *address);
+
+acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
+
+acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
+
+struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
+
+acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);
+
+acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value);
+
+acpi_status acpi_hw_register_write(u32 register_id, u32 value);
+
+acpi_status acpi_hw_clear_acpi_status(void);
+
+/*
+ * hwsleep - sleep/wake support (Legacy sleep registers)
+ */
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
+
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
+
+acpi_status acpi_hw_legacy_wake(u8 sleep_state);
+
+/*
+ * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
+ */
+void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
+
+acpi_status acpi_hw_extended_sleep(u8 sleep_state);
+
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
+
+acpi_status acpi_hw_extended_wake(u8 sleep_state);
+
+/*
+ * hwvalid - Port I/O with validation
+ */
+acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width);
+
+acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
+
+/*
+ * hwgpe - GPE support
+ */
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status
+acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action);
+
+acpi_status
+acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context);
+
+acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status
+acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context);
+
+acpi_status
+acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
+ acpi_event_status * event_status);
+
+acpi_status acpi_hw_disable_all_gpes(void);
+
+acpi_status acpi_hw_enable_all_runtime_gpes(void);
+
+acpi_status acpi_hw_enable_all_wakeup_gpes(void);
+
+acpi_status
+acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context);
+
+/*
+ * hwpci - PCI configuration support
+ */
+acpi_status
+acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
+ acpi_handle root_pci_device, acpi_handle pci_region);
+
+#endif /* __ACHWARE_H__ */
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
new file mode 100644
index 00000000000..b01f71ce052
--- /dev/null
+++ b/drivers/acpi/acpica/acinterp.h
@@ -0,0 +1,534 @@
+/******************************************************************************
+ *
+ * Name: acinterp.h - Interpreter subcomponent prototypes and defines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACINTERP_H__
+#define __ACINTERP_H__
+
+#define ACPI_WALK_OPERANDS (&(walk_state->operands [walk_state->num_operands -1]))
+
+/* Macros for tables used for debug output */
+
+#define ACPI_EXD_OFFSET(f) (u8) ACPI_OFFSET (union acpi_operand_object,f)
+#define ACPI_EXD_NSOFFSET(f) (u8) ACPI_OFFSET (struct acpi_namespace_node,f)
+#define ACPI_EXD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_exdump_info))
+
+/*
+ * If possible, pack the following structures to byte alignment, since we
+ * don't care about performance for debug output. Two cases where we cannot
+ * pack the structures:
+ *
+ * 1) Hardware does not support misaligned memory transfers
+ * 2) Compiler does not support pointers within packed structures
+ */
+#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
+#pragma pack(1)
+#endif
+
+typedef const struct acpi_exdump_info {
+ u8 opcode;
+ u8 offset;
+ char *name;
+
+} acpi_exdump_info;
+
+/* Values for the Opcode field above */
+
+#define ACPI_EXD_INIT 0
+#define ACPI_EXD_TYPE 1
+#define ACPI_EXD_UINT8 2
+#define ACPI_EXD_UINT16 3
+#define ACPI_EXD_UINT32 4
+#define ACPI_EXD_UINT64 5
+#define ACPI_EXD_LITERAL 6
+#define ACPI_EXD_POINTER 7
+#define ACPI_EXD_ADDRESS 8
+#define ACPI_EXD_STRING 9
+#define ACPI_EXD_BUFFER 10
+#define ACPI_EXD_PACKAGE 11
+#define ACPI_EXD_FIELD 12
+#define ACPI_EXD_REFERENCE 13
+#define ACPI_EXD_LIST 14 /* Operand object list */
+#define ACPI_EXD_HDLR_LIST 15 /* Address Handler list */
+#define ACPI_EXD_RGN_LIST 16 /* Region list */
+#define ACPI_EXD_NODE 17 /* Namespace Node */
+
+/* restore default alignment */
+
+#pragma pack()
+
+/*
+ * exconvrt - object conversion
+ */
+acpi_status
+acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc, u32 flags);
+
+acpi_status
+acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc);
+
+acpi_status
+acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc, u32 type);
+
+/* Types for ->String conversion */
+
+#define ACPI_EXPLICIT_BYTE_COPY 0x00000000
+#define ACPI_EXPLICIT_CONVERT_HEX 0x00000001
+#define ACPI_IMPLICIT_CONVERT_HEX 0x00000002
+#define ACPI_EXPLICIT_CONVERT_DECIMAL 0x00000003
+
+acpi_status
+acpi_ex_convert_to_target_type(acpi_object_type destination_type,
+ union acpi_operand_object *source_desc,
+ union acpi_operand_object **result_desc,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * exdebug - AML debug object
+ */
+void
+acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
+ u32 level, u32 index);
+
+/*
+ * exfield - ACPI AML (p-code) execution - field manipulation
+ */
+acpi_status
+acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
+ u32 buffer_length, u32 * datum_count);
+
+acpi_status
+acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
+ u64 mask,
+ u64 field_value, u32 field_datum_byte_offset);
+
+void
+acpi_ex_get_buffer_datum(u64 *datum,
+ void *buffer,
+ u32 buffer_length,
+ u32 byte_granularity, u32 buffer_offset);
+
+void
+acpi_ex_set_buffer_datum(u64 merged_datum,
+ void *buffer,
+ u32 buffer_length,
+ u32 byte_granularity, u32 buffer_offset);
+
+acpi_status
+acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object **ret_buffer_desc);
+
+acpi_status
+acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc);
+
+/*
+ * exfldio - low level field I/O
+ */
+acpi_status
+acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
+ void *buffer, u32 buffer_length);
+
+acpi_status
+acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
+ void *buffer, u32 buffer_length);
+
+acpi_status
+acpi_ex_access_region(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset, u64 *value, u32 read_write);
+
+/*
+ * exmisc - misc support routines
+ */
+acpi_status
+acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **return_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_concat_template(union acpi_operand_object *obj_desc,
+ union acpi_operand_object *obj_desc2,
+ union acpi_operand_object **actual_return_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
+ union acpi_operand_object *obj_desc2,
+ union acpi_operand_object **actual_return_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_do_logical_numeric_op(u16 opcode,
+ u64 integer0, u64 integer1, u8 *logical_result);
+
+acpi_status
+acpi_ex_do_logical_op(u16 opcode,
+ union acpi_operand_object *operand0,
+ union acpi_operand_object *operand1, u8 *logical_result);
+
+u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
+
+acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_create_region(u8 * aml_start,
+ u32 aml_length,
+ u8 region_space, struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_create_method(u8 * aml_start,
+ u32 aml_length, struct acpi_walk_state *walk_state);
+
+/*
+ * exconfig - dynamic table load/unload
+ */
+acpi_status
+acpi_ex_load_op(union acpi_operand_object *obj_desc,
+ union acpi_operand_object *target,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
+ union acpi_operand_object **return_desc);
+
+acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
+
+/*
+ * exmutex - mutex support
+ */
+acpi_status
+acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_acquire_mutex_object(u16 timeout,
+ union acpi_operand_object *obj_desc,
+ acpi_thread_id thread_id);
+
+acpi_status
+acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
+
+void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
+
+void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
+
+/*
+ * exprep - ACPI AML execution - prep utilities
+ */
+acpi_status
+acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
+ u8 field_flags,
+ u8 field_attribute,
+ u32 field_bit_position, u32 field_bit_length);
+
+acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
+
+/*
+ * exsystem - Interface to OS services
+ */
+acpi_status
+acpi_ex_system_do_notify_op(union acpi_operand_object *value,
+ union acpi_operand_object *obj_desc);
+
+acpi_status acpi_ex_system_do_sleep(u64 time);
+
+acpi_status acpi_ex_system_do_stall(u32 time);
+
+acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ex_system_wait_event(union acpi_operand_object *time,
+ union acpi_operand_object *obj_desc);
+
+acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
+
+acpi_status
+acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
+
+/*
+ * exoparg1 - ACPI AML execution, 1 operand
+ */
+acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
+
+/*
+ * exoparg2 - ACPI AML execution, 2 operands
+ */
+acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
+
+/*
+ * exoparg3 - ACPI AML execution, 3 operands
+ */
+acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
+
+acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
+
+/*
+ * exoparg6 - ACPI AML execution, 6 operands
+ */
+acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
+
+/*
+ * exresolv - Object resolution and get value functions
+ */
+acpi_status
+acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *operand,
+ acpi_object_type * return_type,
+ union acpi_operand_object **return_desc);
+
+/*
+ * exresnte - resolve namespace node
+ */
+acpi_status
+acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * exresop - resolve operand to value
+ */
+acpi_status
+acpi_ex_resolve_operands(u16 opcode,
+ union acpi_operand_object **stack_ptr,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * exdump - Interpreter debug output routines
+ */
+void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
+
+void
+acpi_ex_dump_operands(union acpi_operand_object **operands,
+ const char *opcode_name, u32 num_opcodes);
+
+#ifdef ACPI_FUTURE_USAGE
+void
+acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
+
+void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
+#endif /* ACPI_FUTURE_USAGE */
+
+/*
+ * exnames - AML namestring support
+ */
+acpi_status
+acpi_ex_get_name_string(acpi_object_type data_type,
+ u8 * in_aml_address,
+ char **out_name_string, u32 * out_name_length);
+
+/*
+ * exstore - Object store support
+ */
+acpi_status
+acpi_ex_store(union acpi_operand_object *val_desc,
+ union acpi_operand_object *dest_desc,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
+ struct acpi_namespace_node *node,
+ struct acpi_walk_state *walk_state,
+ u8 implicit_conversion);
+
+#define ACPI_IMPLICIT_CONVERSION TRUE
+#define ACPI_NO_IMPLICIT_CONVERSION FALSE
+
+/*
+ * exstoren - resolve/store object
+ */
+acpi_status
+acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
+ acpi_object_type target_type,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc,
+ union acpi_operand_object **new_desc,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * exstorob - store object - buffer/string
+ */
+acpi_status
+acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc);
+
+acpi_status
+acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc);
+
+/*
+ * excopy - object copy
+ */
+acpi_status
+acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc);
+
+acpi_status
+acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc);
+
+acpi_status
+acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
+ struct acpi_namespace_node *node);
+
+acpi_status
+acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc);
+
+/*
+ * exutils - interpreter/scanner utilities
+ */
+void acpi_ex_enter_interpreter(void);
+
+void acpi_ex_exit_interpreter(void);
+
+u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
+
+void acpi_ex_acquire_global_lock(u32 rule);
+
+void acpi_ex_release_global_lock(u32 rule);
+
+void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
+
+void acpi_ex_integer_to_string(char *dest, u64 value);
+
+u8 acpi_is_valid_space_id(u8 space_id);
+
+/*
+ * exregion - default op_region handlers
+ */
+acpi_status
+acpi_ex_system_memory_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context,
+ void *region_context);
+
+acpi_status
+acpi_ex_system_io_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+acpi_status
+acpi_ex_pci_config_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+acpi_status
+acpi_ex_cmos_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+acpi_status
+acpi_ex_pci_bar_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+acpi_status
+acpi_ex_embedded_controller_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context,
+ void *region_context);
+
+acpi_status
+acpi_ex_sm_bus_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+acpi_status
+acpi_ex_data_table_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context);
+
+#endif /* __INTERP_H__ */
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
new file mode 100644
index 00000000000..91f801a2e68
--- /dev/null
+++ b/drivers/acpi/acpica/aclocal.h
@@ -0,0 +1,1157 @@
+/******************************************************************************
+ *
+ * Name: aclocal.h - Internal data types used across the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACLOCAL_H__
+#define __ACLOCAL_H__
+
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
+#define ACPI_SERIALIZED 0xFF
+
+typedef u32 acpi_mutex_handle;
+#define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1)
+
+/* Total number of aml opcodes defined */
+
+#define AML_NUM_OPCODES 0x81
+
+/* Forward declarations */
+
+struct acpi_walk_state;
+struct acpi_obj_mutex;
+union acpi_parse_object;
+
+/*****************************************************************************
+ *
+ * Mutex typedefs and structs
+ *
+ ****************************************************************************/
+
+/*
+ * Predefined handles for the mutex objects used within the subsystem
+ * All mutex objects are automatically created by acpi_ut_mutex_initialize.
+ *
+ * The acquire/release ordering protocol is implied via this list. Mutexes
+ * with a lower value must be acquired before mutexes with a higher value.
+ *
+ * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
+ * table below also!
+ */
+#define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */
+#define ACPI_MTX_NAMESPACE 1 /* ACPI Namespace */
+#define ACPI_MTX_TABLES 2 /* Data for ACPI tables */
+#define ACPI_MTX_EVENTS 3 /* Data for ACPI events */
+#define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */
+#define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */
+#define ACPI_MTX_DEBUG_CMD_COMPLETE 6 /* AML debugger */
+#define ACPI_MTX_DEBUG_CMD_READY 7 /* AML debugger */
+
+#define ACPI_MAX_MUTEX 7
+#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1
+
+/* Lock structure for reader/writer interfaces */
+
+struct acpi_rw_lock {
+ acpi_mutex writer_mutex;
+ acpi_mutex reader_mutex;
+ u32 num_readers;
+};
+
+/*
+ * Predefined handles for spinlocks used within the subsystem.
+ * These spinlocks are created by acpi_ut_mutex_initialize
+ */
+#define ACPI_LOCK_GPES 0
+#define ACPI_LOCK_HARDWARE 1
+
+#define ACPI_MAX_LOCK 1
+#define ACPI_NUM_LOCK ACPI_MAX_LOCK+1
+
+/* This Thread ID means that the mutex is not in use (unlocked) */
+
+#define ACPI_MUTEX_NOT_ACQUIRED (acpi_thread_id) 0
+
+/* Table for the global mutexes */
+
+struct acpi_mutex_info {
+ acpi_mutex mutex;
+ u32 use_count;
+ acpi_thread_id thread_id;
+};
+
+/* Lock flag parameter for various interfaces */
+
+#define ACPI_MTX_DO_NOT_LOCK 0
+#define ACPI_MTX_LOCK 1
+
+/* Field access granularities */
+
+#define ACPI_FIELD_BYTE_GRANULARITY 1
+#define ACPI_FIELD_WORD_GRANULARITY 2
+#define ACPI_FIELD_DWORD_GRANULARITY 4
+#define ACPI_FIELD_QWORD_GRANULARITY 8
+
+#define ACPI_ENTRY_NOT_FOUND NULL
+
+/*****************************************************************************
+ *
+ * Namespace typedefs and structs
+ *
+ ****************************************************************************/
+
+/* Operational modes of the AML interpreter/scanner */
+
+typedef enum {
+ ACPI_IMODE_LOAD_PASS1 = 0x01,
+ ACPI_IMODE_LOAD_PASS2 = 0x02,
+ ACPI_IMODE_EXECUTE = 0x03
+} acpi_interpreter_mode;
+
+/*
+ * The Namespace Node describes a named object that appears in the AML.
+ * descriptor_type is used to differentiate between internal descriptors.
+ *
+ * The node is optimized for both 32-bit and 64-bit platforms:
+ * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
+ *
+ * Note: The descriptor_type and Type fields must appear in the identical
+ * position in both the struct acpi_namespace_node and union acpi_operand_object
+ * structures.
+ */
+struct acpi_namespace_node {
+ union acpi_operand_object *object; /* Interpreter object */
+ u8 descriptor_type; /* Differentiate object descriptor types */
+ u8 type; /* ACPI Type associated with this name */
+ u8 flags; /* Miscellaneous flags */
+ acpi_owner_id owner_id; /* Node creator */
+ union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */
+ struct acpi_namespace_node *parent; /* Parent node */
+ struct acpi_namespace_node *child; /* First child */
+ struct acpi_namespace_node *peer; /* First peer */
+
+ /*
+ * The following fields are used by the ASL compiler and disassembler only
+ */
+#ifdef ACPI_LARGE_NAMESPACE_NODE
+ union acpi_parse_object *op;
+ u32 value;
+ u32 length;
+#endif
+};
+
+/* Namespace Node flags */
+
+#define ANOBJ_RESERVED 0x01 /* Available for use */
+#define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */
+#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */
+#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
+#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */
+#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
+#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
+
+#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */
+#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */
+#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */
+#define ANOBJ_IS_REFERENCED 0x80 /* iASL only: Object was referenced */
+
+/* Internal ACPI table management - master table list */
+
+struct acpi_table_list {
+ struct acpi_table_desc *tables; /* Table descriptor array */
+ u32 current_table_count; /* Tables currently in the array */
+ u32 max_table_count; /* Max tables array will hold */
+ u8 flags;
+};
+
+/* Flags for above */
+
+#define ACPI_ROOT_ORIGIN_UNKNOWN (0) /* ~ORIGIN_ALLOCATED */
+#define ACPI_ROOT_ORIGIN_ALLOCATED (1)
+#define ACPI_ROOT_ALLOW_RESIZE (2)
+
+/* Predefined (fixed) table indexes */
+
+#define ACPI_TABLE_INDEX_DSDT (0)
+#define ACPI_TABLE_INDEX_FACS (1)
+
+struct acpi_find_context {
+ char *search_for;
+ acpi_handle *list;
+ u32 *count;
+};
+
+struct acpi_ns_search_data {
+ struct acpi_namespace_node *node;
+};
+
+/* Object types used during package copies */
+
+#define ACPI_COPY_TYPE_SIMPLE 0
+#define ACPI_COPY_TYPE_PACKAGE 1
+
+/* Info structure used to convert external<->internal namestrings */
+
+struct acpi_namestring_info {
+ const char *external_name;
+ const char *next_external_char;
+ char *internal_name;
+ u32 length;
+ u32 num_segments;
+ u32 num_carats;
+ u8 fully_qualified;
+};
+
+/* Field creation info */
+
+struct acpi_create_field_info {
+ struct acpi_namespace_node *region_node;
+ struct acpi_namespace_node *field_node;
+ struct acpi_namespace_node *register_node;
+ struct acpi_namespace_node *data_register_node;
+ struct acpi_namespace_node *connection_node;
+ u8 *resource_buffer;
+ u32 bank_value;
+ u32 field_bit_position;
+ u32 field_bit_length;
+ u16 resource_length;
+ u8 field_flags;
+ u8 attribute;
+ u8 field_type;
+ u8 access_length;
+};
+
+typedef
+acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state);
+
+/*
+ * Bitmapped ACPI types. Used internally only
+ */
+#define ACPI_BTYPE_ANY 0x00000000
+#define ACPI_BTYPE_INTEGER 0x00000001
+#define ACPI_BTYPE_STRING 0x00000002
+#define ACPI_BTYPE_BUFFER 0x00000004
+#define ACPI_BTYPE_PACKAGE 0x00000008
+#define ACPI_BTYPE_FIELD_UNIT 0x00000010
+#define ACPI_BTYPE_DEVICE 0x00000020
+#define ACPI_BTYPE_EVENT 0x00000040
+#define ACPI_BTYPE_METHOD 0x00000080
+#define ACPI_BTYPE_MUTEX 0x00000100
+#define ACPI_BTYPE_REGION 0x00000200
+#define ACPI_BTYPE_POWER 0x00000400
+#define ACPI_BTYPE_PROCESSOR 0x00000800
+#define ACPI_BTYPE_THERMAL 0x00001000
+#define ACPI_BTYPE_BUFFER_FIELD 0x00002000
+#define ACPI_BTYPE_DDB_HANDLE 0x00004000
+#define ACPI_BTYPE_DEBUG_OBJECT 0x00008000
+#define ACPI_BTYPE_REFERENCE 0x00010000
+#define ACPI_BTYPE_RESOURCE 0x00020000
+
+#define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
+
+#define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE)
+#define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
+#define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
+#define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */
+#define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF
+
+#pragma pack(1)
+
+/*
+ * Information structure for ACPI predefined names.
+ * Each entry in the table contains the following items:
+ *
+ * name - The ACPI reserved name
+ * param_count - Number of arguments to the method
+ * expected_return_btypes - Allowed type(s) for the return value
+ */
+struct acpi_name_info {
+ char name[ACPI_NAME_SIZE];
+ u16 argument_list;
+ u8 expected_btypes;
+};
+
+/*
+ * Secondary information structures for ACPI predefined objects that return
+ * package objects. This structure appears as the next entry in the table
+ * after the NAME_INFO structure above.
+ *
+ * The reason for this is to minimize the size of the predefined name table.
+ */
+
+/*
+ * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
+ * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT,
+ * ACPI_PTYPE2_FIX_VAR
+ */
+struct acpi_package_info {
+ u8 type;
+ u8 object_type1;
+ u8 count1;
+ u8 object_type2;
+ u8 count2;
+ u16 reserved;
+};
+
+/* Used for ACPI_PTYPE2_FIXED */
+
+struct acpi_package_info2 {
+ u8 type;
+ u8 count;
+ u8 object_type[4];
+ u8 reserved;
+};
+
+/* Used for ACPI_PTYPE1_OPTION */
+
+struct acpi_package_info3 {
+ u8 type;
+ u8 count;
+ u8 object_type[2];
+ u8 tail_object_type;
+ u16 reserved;
+};
+
+union acpi_predefined_info {
+ struct acpi_name_info info;
+ struct acpi_package_info ret_info;
+ struct acpi_package_info2 ret_info2;
+ struct acpi_package_info3 ret_info3;
+};
+
+/* Reset to default packing */
+
+#pragma pack()
+
+/* Return object auto-repair info */
+
+typedef acpi_status(*acpi_object_converter) (union acpi_operand_object
+ *original_object,
+ union acpi_operand_object
+ **converted_object);
+
+struct acpi_simple_repair_info {
+ char name[ACPI_NAME_SIZE];
+ u32 unexpected_btypes;
+ u32 package_index;
+ acpi_object_converter object_converter;
+};
+
+/*
+ * Bitmapped return value types
+ * Note: the actual data types must be contiguous, a loop in nspredef.c
+ * depends on this.
+ */
+#define ACPI_RTYPE_ANY 0x00
+#define ACPI_RTYPE_NONE 0x01
+#define ACPI_RTYPE_INTEGER 0x02
+#define ACPI_RTYPE_STRING 0x04
+#define ACPI_RTYPE_BUFFER 0x08
+#define ACPI_RTYPE_PACKAGE 0x10
+#define ACPI_RTYPE_REFERENCE 0x20
+#define ACPI_RTYPE_ALL 0x3F
+
+#define ACPI_NUM_RTYPES 5 /* Number of actual object types */
+
+/*****************************************************************************
+ *
+ * Event typedefs and structs
+ *
+ ****************************************************************************/
+
+/* Dispatch info for each host-installed SCI handler */
+
+struct acpi_sci_handler_info {
+ struct acpi_sci_handler_info *next;
+ acpi_sci_handler address; /* Address of handler */
+ void *context; /* Context to be passed to handler */
+};
+
+/* Dispatch info for each GPE -- either a method or handler, cannot be both */
+
+struct acpi_gpe_handler_info {
+ acpi_gpe_handler address; /* Address of handler, if any */
+ void *context; /* Context to be passed to handler */
+ struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */
+ u8 original_flags; /* Original (pre-handler) GPE info */
+ u8 originally_enabled; /* True if GPE was originally enabled */
+};
+
+/* Notify info for implicit notify, multiple device objects */
+
+struct acpi_gpe_notify_info {
+ struct acpi_namespace_node *device_node; /* Device to be notified */
+ struct acpi_gpe_notify_info *next;
+};
+
+/*
+ * GPE dispatch info. At any time, the GPE can have at most one type
+ * of dispatch - Method, Handler, or Implicit Notify.
+ */
+union acpi_gpe_dispatch_info {
+ struct acpi_namespace_node *method_node; /* Method node for this GPE level */
+ struct acpi_gpe_handler_info *handler; /* Installed GPE handler */
+ struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */
+};
+
+/*
+ * Information about a GPE, one per each GPE in an array.
+ * NOTE: Important to keep this struct as small as possible.
+ */
+struct acpi_gpe_event_info {
+ union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */
+ struct acpi_gpe_register_info *register_info; /* Backpointer to register info */
+ u8 flags; /* Misc info about this GPE */
+ u8 gpe_number; /* This GPE */
+ u8 runtime_count; /* References to a run GPE */
+};
+
+/* Information about a GPE register pair, one per each status/enable pair in an array */
+
+struct acpi_gpe_register_info {
+ struct acpi_generic_address status_address; /* Address of status reg */
+ struct acpi_generic_address enable_address; /* Address of enable reg */
+ u16 base_gpe_number; /* Base GPE number for this register */
+ u8 enable_for_wake; /* GPEs to keep enabled when sleeping */
+ u8 enable_for_run; /* GPEs to keep enabled when running */
+};
+
+/*
+ * Information about a GPE register block, one per each installed block --
+ * GPE0, GPE1, and one per each installed GPE Block Device.
+ */
+struct acpi_gpe_block_info {
+ struct acpi_namespace_node *node;
+ struct acpi_gpe_block_info *previous;
+ struct acpi_gpe_block_info *next;
+ struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */
+ struct acpi_gpe_register_info *register_info; /* One per GPE register pair */
+ struct acpi_gpe_event_info *event_info; /* One for each GPE */
+ u64 address; /* Base address of the block */
+ u32 register_count; /* Number of register pairs in block */
+ u16 gpe_count; /* Number of individual GPEs in block */
+ u16 block_base_number; /* Base GPE number for this block */
+ u8 space_id;
+ u8 initialized; /* TRUE if this block is initialized */
+};
+
+/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
+
+struct acpi_gpe_xrupt_info {
+ struct acpi_gpe_xrupt_info *previous;
+ struct acpi_gpe_xrupt_info *next;
+ struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */
+ u32 interrupt_number; /* System interrupt number */
+};
+
+struct acpi_gpe_walk_info {
+ struct acpi_namespace_node *gpe_device;
+ struct acpi_gpe_block_info *gpe_block;
+ u16 count;
+ acpi_owner_id owner_id;
+ u8 execute_by_owner_id;
+};
+
+struct acpi_gpe_device_info {
+ u32 index;
+ u32 next_block_base_index;
+ acpi_status status;
+ struct acpi_namespace_node *gpe_device;
+};
+
+typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
+ gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context);
+
+/* Information about each particular fixed event */
+
+struct acpi_fixed_event_handler {
+ acpi_event_handler handler; /* Address of handler. */
+ void *context; /* Context to be passed to handler */
+};
+
+struct acpi_fixed_event_info {
+ u8 status_register_id;
+ u8 enable_register_id;
+ u16 status_bit_mask;
+ u16 enable_bit_mask;
+};
+
+/* Information used during field processing */
+
+struct acpi_field_info {
+ u8 skip_field;
+ u8 field_flag;
+ u32 pkg_length;
+};
+
+/*****************************************************************************
+ *
+ * Generic "state" object for stacks
+ *
+ ****************************************************************************/
+
+#define ACPI_CONTROL_NORMAL 0xC0
+#define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1
+#define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2
+#define ACPI_CONTROL_PREDICATE_FALSE 0xC3
+#define ACPI_CONTROL_PREDICATE_TRUE 0xC4
+
+#define ACPI_STATE_COMMON \
+ void *next; \
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 flags; \
+ u16 value; \
+ u16 state;
+
+ /* There are 2 bytes available here until the next natural alignment boundary */
+
+struct acpi_common_state {
+ACPI_STATE_COMMON};
+
+/*
+ * Update state - used to traverse complex objects such as packages
+ */
+struct acpi_update_state {
+ ACPI_STATE_COMMON union acpi_operand_object *object;
+};
+
+/*
+ * Pkg state - used to traverse nested package structures
+ */
+struct acpi_pkg_state {
+ ACPI_STATE_COMMON u16 index;
+ union acpi_operand_object *source_object;
+ union acpi_operand_object *dest_object;
+ struct acpi_walk_state *walk_state;
+ void *this_target_obj;
+ u32 num_packages;
+};
+
+/*
+ * Control state - one per if/else and while constructs.
+ * Allows nesting of these constructs
+ */
+struct acpi_control_state {
+ ACPI_STATE_COMMON u16 opcode;
+ union acpi_parse_object *predicate_op;
+ u8 *aml_predicate_start; /* Start of if/while predicate */
+ u8 *package_end; /* End of if/while block */
+ u32 loop_count; /* While() loop counter */
+};
+
+/*
+ * Scope state - current scope during namespace lookups
+ */
+struct acpi_scope_state {
+ ACPI_STATE_COMMON struct acpi_namespace_node *node;
+};
+
+struct acpi_pscope_state {
+ ACPI_STATE_COMMON u32 arg_count; /* Number of fixed arguments */
+ union acpi_parse_object *op; /* Current op being parsed */
+ u8 *arg_end; /* Current argument end */
+ u8 *pkg_end; /* Current package end */
+ u32 arg_list; /* Next argument to parse */
+};
+
+/*
+ * Thread state - one per thread across multiple walk states. Multiple walk
+ * states are created when there are nested control methods executing.
+ */
+struct acpi_thread_state {
+ ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */
+ struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */
+ union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */
+ acpi_thread_id thread_id; /* Running thread ID */
+};
+
+/*
+ * Result values - used to accumulate the results of nested
+ * AML arguments
+ */
+struct acpi_result_values {
+ ACPI_STATE_COMMON
+ union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
+};
+
+typedef
+acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
+ union acpi_parse_object ** out_op);
+
+typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
+
+/* Global handlers for AML Notifies */
+
+struct acpi_global_notify_handler {
+ acpi_notify_handler handler;
+ void *context;
+};
+
+/*
+ * Notify info - used to pass info to the deferred notify
+ * handler/dispatcher.
+ */
+struct acpi_notify_info {
+ ACPI_STATE_COMMON u8 handler_list_id;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *handler_list_head;
+ struct acpi_global_notify_handler *global;
+};
+
+/* Generic state is union of structs above */
+
+union acpi_generic_state {
+ struct acpi_common_state common;
+ struct acpi_control_state control;
+ struct acpi_update_state update;
+ struct acpi_scope_state scope;
+ struct acpi_pscope_state parse_scope;
+ struct acpi_pkg_state pkg;
+ struct acpi_thread_state thread;
+ struct acpi_result_values results;
+ struct acpi_notify_info notify;
+};
+
+/*****************************************************************************
+ *
+ * Interpreter typedefs and structs
+ *
+ ****************************************************************************/
+
+typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state);
+
+/* Address Range info block */
+
+struct acpi_address_range {
+ struct acpi_address_range *next;
+ struct acpi_namespace_node *region_node;
+ acpi_physical_address start_address;
+ acpi_physical_address end_address;
+};
+
+/*****************************************************************************
+ *
+ * Parser typedefs and structs
+ *
+ ****************************************************************************/
+
+/*
+ * AML opcode, name, and argument layout
+ */
+struct acpi_opcode_info {
+#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
+ char *name; /* Opcode name (disassembler/debug only) */
+#endif
+ u32 parse_args; /* Grammar/Parse time arguments */
+ u32 runtime_args; /* Interpret time arguments */
+ u16 flags; /* Misc flags */
+ u8 object_type; /* Corresponding internal object type */
+ u8 class; /* Opcode class */
+ u8 type; /* Opcode type */
+};
+
+/* Value associated with the parse object */
+
+union acpi_parse_value {
+ u64 integer; /* Integer constant (Up to 64 bits) */
+ u32 size; /* bytelist or field size */
+ char *string; /* NULL terminated string */
+ u8 *buffer; /* buffer or string */
+ char *name; /* NULL terminated string */
+ union acpi_parse_object *arg; /* arguments and contained ops */
+};
+
+#ifdef ACPI_DISASSEMBLER
+#define ACPI_DISASM_ONLY_MEMBERS(a) a;
+#else
+#define ACPI_DISASM_ONLY_MEMBERS(a)
+#endif
+
+#define ACPI_PARSE_COMMON \
+ union acpi_parse_object *parent; /* Parent op */\
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 flags; /* Type of Op */\
+ u16 aml_opcode; /* AML opcode */\
+ u32 aml_offset; /* Offset of declaration in AML */\
+ union acpi_parse_object *next; /* Next op */\
+ struct acpi_namespace_node *node; /* For use by interpreter */\
+ union acpi_parse_value value; /* Value or args associated with the opcode */\
+ u8 arg_list_length; /* Number of elements in the arg list */\
+ ACPI_DISASM_ONLY_MEMBERS (\
+ u8 disasm_flags; /* Used during AML disassembly */\
+ u8 disasm_opcode; /* Subtype used for disassembly */\
+ char aml_op_name[16]) /* Op name (debug only) */
+
+/* Flags for disasm_flags field above */
+
+#define ACPI_DASM_BUFFER 0x00 /* Buffer is a simple data buffer */
+#define ACPI_DASM_RESOURCE 0x01 /* Buffer is a Resource Descriptor */
+#define ACPI_DASM_STRING 0x02 /* Buffer is a ASCII string */
+#define ACPI_DASM_UNICODE 0x03 /* Buffer is a Unicode string */
+#define ACPI_DASM_PLD_METHOD 0x04 /* Buffer is a _PLD method bit-packed buffer */
+#define ACPI_DASM_EISAID 0x05 /* Integer is an EISAID */
+#define ACPI_DASM_MATCHOP 0x06 /* Parent opcode is a Match() operator */
+#define ACPI_DASM_LNOT_PREFIX 0x07 /* Start of a Lnot_equal (etc.) pair of opcodes */
+#define ACPI_DASM_LNOT_SUFFIX 0x08 /* End of a Lnot_equal (etc.) pair of opcodes */
+#define ACPI_DASM_HID_STRING 0x09 /* String is a _HID or _CID */
+#define ACPI_DASM_IGNORE 0x0A /* Not used at this time */
+
+/*
+ * Generic operation (for example: If, While, Store)
+ */
+struct acpi_parse_obj_common {
+ACPI_PARSE_COMMON};
+
+/*
+ * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
+ * and bytelists.
+ */
+struct acpi_parse_obj_named {
+ ACPI_PARSE_COMMON u8 *path;
+ u8 *data; /* AML body or bytelist data */
+ u32 length; /* AML length */
+ u32 name; /* 4-byte name or zero if no name */
+};
+
+/* This version is used by the iASL compiler only */
+
+#define ACPI_MAX_PARSEOP_NAME 20
+
+struct acpi_parse_obj_asl {
+ ACPI_PARSE_COMMON union acpi_parse_object *child;
+ union acpi_parse_object *parent_method;
+ char *filename;
+ char *external_name;
+ char *namepath;
+ char name_seg[4];
+ u32 extra_value;
+ u32 column;
+ u32 line_number;
+ u32 logical_line_number;
+ u32 logical_byte_offset;
+ u32 end_line;
+ u32 end_logical_line;
+ u32 acpi_btype;
+ u32 aml_length;
+ u32 aml_subtree_length;
+ u32 final_aml_length;
+ u32 final_aml_offset;
+ u32 compile_flags;
+ u16 parse_opcode;
+ u8 aml_opcode_length;
+ u8 aml_pkg_len_bytes;
+ u8 extra;
+ char parse_op_name[ACPI_MAX_PARSEOP_NAME];
+};
+
+union acpi_parse_object {
+ struct acpi_parse_obj_common common;
+ struct acpi_parse_obj_named named;
+ struct acpi_parse_obj_asl asl;
+};
+
+/*
+ * Parse state - one state per parser invocation and each control
+ * method.
+ */
+struct acpi_parse_state {
+ u8 *aml_start; /* First AML byte */
+ u8 *aml; /* Next AML byte */
+ u8 *aml_end; /* (last + 1) AML byte */
+ u8 *pkg_start; /* Current package begin */
+ u8 *pkg_end; /* Current package end */
+ union acpi_parse_object *start_op; /* Root of parse tree */
+ struct acpi_namespace_node *start_node;
+ union acpi_generic_state *scope; /* Current scope */
+ union acpi_parse_object *start_scope;
+ u32 aml_size;
+};
+
+/* Parse object flags */
+
+#define ACPI_PARSEOP_GENERIC 0x01
+#define ACPI_PARSEOP_NAMED 0x02
+#define ACPI_PARSEOP_DEFERRED 0x04
+#define ACPI_PARSEOP_BYTELIST 0x08
+#define ACPI_PARSEOP_IN_STACK 0x10
+#define ACPI_PARSEOP_TARGET 0x20
+#define ACPI_PARSEOP_IN_CACHE 0x80
+
+/* Parse object disasm_flags */
+
+#define ACPI_PARSEOP_IGNORE 0x01
+#define ACPI_PARSEOP_PARAMLIST 0x02
+#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04
+#define ACPI_PARSEOP_PREDEF_CHECKED 0x08
+#define ACPI_PARSEOP_SPECIAL 0x10
+
+/*****************************************************************************
+ *
+ * Hardware (ACPI registers) and PNP
+ *
+ ****************************************************************************/
+
+struct acpi_bit_register_info {
+ u8 parent_register;
+ u8 bit_position;
+ u16 access_bit_mask;
+};
+
+/*
+ * Some ACPI registers have bits that must be ignored -- meaning that they
+ * must be preserved.
+ */
+#define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */
+
+/* Write-only bits must be zeroed by software */
+
+#define ACPI_PM1_CONTROL_WRITEONLY_BITS 0x2004 /* Bits 13, 2 */
+
+/* For control registers, both ignored and reserved bits must be preserved */
+
+/*
+ * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
+ * ACPI specification to be a "preserved" bit - "OSPM always preserves this
+ * bit position", section 4.7.3.2.1. However, on some machines the OS must
+ * write a one to this bit after resume for the machine to work properly.
+ * To enable this, we no longer attempt to preserve this bit. No machines
+ * are known to fail if the bit is not preserved. (May 2009)
+ */
+#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */
+#define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */
+#define ACPI_PM1_CONTROL_PRESERVED_BITS \
+ (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
+
+#define ACPI_PM2_CONTROL_PRESERVED_BITS 0xFFFFFFFE /* All except bit 0 */
+
+/*
+ * Register IDs
+ * These are the full ACPI registers
+ */
+#define ACPI_REGISTER_PM1_STATUS 0x01
+#define ACPI_REGISTER_PM1_ENABLE 0x02
+#define ACPI_REGISTER_PM1_CONTROL 0x03
+#define ACPI_REGISTER_PM2_CONTROL 0x04
+#define ACPI_REGISTER_PM_TIMER 0x05
+#define ACPI_REGISTER_PROCESSOR_BLOCK 0x06
+#define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x07
+
+/* Masks used to access the bit_registers */
+
+#define ACPI_BITMASK_TIMER_STATUS 0x0001
+#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
+#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
+#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
+#define ACPI_BITMASK_WAKE_STATUS 0x8000
+
+#define ACPI_BITMASK_ALL_FIXED_STATUS (\
+ ACPI_BITMASK_TIMER_STATUS | \
+ ACPI_BITMASK_BUS_MASTER_STATUS | \
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
+ ACPI_BITMASK_POWER_BUTTON_STATUS | \
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
+ ACPI_BITMASK_RT_CLOCK_STATUS | \
+ ACPI_BITMASK_PCIEXP_WAKE_STATUS | \
+ ACPI_BITMASK_WAKE_STATUS)
+
+#define ACPI_BITMASK_TIMER_ENABLE 0x0001
+#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
+#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
+
+#define ACPI_BITMASK_SCI_ENABLE 0x0001
+#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
+#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
+#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
+#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
+
+#define ACPI_BITMASK_ARB_DISABLE 0x0001
+
+/* Raw bit position of each bit_register */
+
+#define ACPI_BITPOSITION_TIMER_STATUS 0x00
+#define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04
+#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05
+#define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08
+#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09
+#define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A
+#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */
+#define ACPI_BITPOSITION_WAKE_STATUS 0x0F
+
+#define ACPI_BITPOSITION_TIMER_ENABLE 0x00
+#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05
+#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08
+#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09
+#define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A
+#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */
+
+#define ACPI_BITPOSITION_SCI_ENABLE 0x00
+#define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01
+#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02
+#define ACPI_BITPOSITION_SLEEP_TYPE 0x0A
+#define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D
+
+#define ACPI_BITPOSITION_ARB_DISABLE 0x00
+
+/* Structs and definitions for _OSI support and I/O port validation */
+
+#define ACPI_ALWAYS_ILLEGAL 0x00
+
+struct acpi_interface_info {
+ char *name;
+ struct acpi_interface_info *next;
+ u8 flags;
+ u8 value;
+};
+
+#define ACPI_OSI_INVALID 0x01
+#define ACPI_OSI_DYNAMIC 0x02
+#define ACPI_OSI_FEATURE 0x04
+#define ACPI_OSI_DEFAULT_INVALID 0x08
+#define ACPI_OSI_OPTIONAL_FEATURE (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
+
+struct acpi_port_info {
+ char *name;
+ u16 start;
+ u16 end;
+ u8 osi_dependency;
+};
+
+/*****************************************************************************
+ *
+ * Resource descriptors
+ *
+ ****************************************************************************/
+
+/* resource_type values */
+
+#define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0
+#define ACPI_ADDRESS_TYPE_IO_RANGE 1
+#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2
+
+/* Resource descriptor types and masks */
+
+#define ACPI_RESOURCE_NAME_LARGE 0x80
+#define ACPI_RESOURCE_NAME_SMALL 0x00
+
+#define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */
+#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */
+#define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */
+
+/*
+ * Small resource descriptor "names" as defined by the ACPI specification.
+ * Note: Bits 2:0 are used for the descriptor length
+ */
+#define ACPI_RESOURCE_NAME_IRQ 0x20
+#define ACPI_RESOURCE_NAME_DMA 0x28
+#define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30
+#define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38
+#define ACPI_RESOURCE_NAME_IO 0x40
+#define ACPI_RESOURCE_NAME_FIXED_IO 0x48
+#define ACPI_RESOURCE_NAME_FIXED_DMA 0x50
+#define ACPI_RESOURCE_NAME_RESERVED_S2 0x58
+#define ACPI_RESOURCE_NAME_RESERVED_S3 0x60
+#define ACPI_RESOURCE_NAME_RESERVED_S4 0x68
+#define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70
+#define ACPI_RESOURCE_NAME_END_TAG 0x78
+
+/*
+ * Large resource descriptor "names" as defined by the ACPI specification.
+ * Note: includes the Large Descriptor bit in bit[7]
+ */
+#define ACPI_RESOURCE_NAME_MEMORY24 0x81
+#define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82
+#define ACPI_RESOURCE_NAME_RESERVED_L1 0x83
+#define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84
+#define ACPI_RESOURCE_NAME_MEMORY32 0x85
+#define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86
+#define ACPI_RESOURCE_NAME_ADDRESS32 0x87
+#define ACPI_RESOURCE_NAME_ADDRESS16 0x88
+#define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89
+#define ACPI_RESOURCE_NAME_ADDRESS64 0x8A
+#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B
+#define ACPI_RESOURCE_NAME_GPIO 0x8C
+#define ACPI_RESOURCE_NAME_SERIAL_BUS 0x8E
+#define ACPI_RESOURCE_NAME_LARGE_MAX 0x8E
+
+/*****************************************************************************
+ *
+ * Miscellaneous
+ *
+ ****************************************************************************/
+
+#define ACPI_ASCII_ZERO 0x30
+
+/*****************************************************************************
+ *
+ * Disassembler
+ *
+ ****************************************************************************/
+
+struct acpi_external_list {
+ char *path;
+ char *internal_path;
+ struct acpi_external_list *next;
+ u32 value;
+ u16 length;
+ u16 flags;
+ u8 type;
+};
+
+/* Values for Flags field above */
+
+#define ACPI_EXT_RESOLVED_REFERENCE 0x01 /* Object was resolved during cross ref */
+#define ACPI_EXT_ORIGIN_FROM_FILE 0x02 /* External came from a file */
+#define ACPI_EXT_INTERNAL_PATH_ALLOCATED 0x04 /* Deallocate internal path on completion */
+#define ACPI_EXT_EXTERNAL_EMITTED 0x08 /* External() statement has been emitted */
+
+struct acpi_external_file {
+ char *path;
+ struct acpi_external_file *next;
+};
+
+/*****************************************************************************
+ *
+ * Debugger
+ *
+ ****************************************************************************/
+
+struct acpi_db_method_info {
+ acpi_handle method;
+ acpi_handle main_thread_gate;
+ acpi_handle thread_complete_gate;
+ acpi_handle info_gate;
+ acpi_thread_id *threads;
+ u32 num_threads;
+ u32 num_created;
+ u32 num_completed;
+
+ char *name;
+ u32 flags;
+ u32 num_loops;
+ char pathname[ACPI_DB_LINE_BUFFER_SIZE];
+ char **args;
+ acpi_object_type *types;
+
+ /*
+ * Arguments to be passed to method for the command
+ * Threads -
+ * the Number of threads, ID of current thread and
+ * Index of current thread inside all them created.
+ */
+ char init_args;
+ char *arguments[4];
+ char num_threads_str[11];
+ char id_of_thread_str[11];
+ char index_of_thread_str[11];
+};
+
+struct acpi_integrity_info {
+ u32 nodes;
+ u32 objects;
+};
+
+#define ACPI_DB_DISABLE_OUTPUT 0x00
+#define ACPI_DB_REDIRECTABLE_OUTPUT 0x01
+#define ACPI_DB_CONSOLE_OUTPUT 0x02
+#define ACPI_DB_DUPLICATE_OUTPUT 0x03
+
+/*****************************************************************************
+ *
+ * Debug
+ *
+ ****************************************************************************/
+
+/* Entry for a memory allocation (debug only) */
+
+#define ACPI_MEM_MALLOC 0
+#define ACPI_MEM_CALLOC 1
+#define ACPI_MAX_MODULE_NAME 16
+
+#define ACPI_COMMON_DEBUG_MEM_HEADER \
+ struct acpi_debug_mem_block *previous; \
+ struct acpi_debug_mem_block *next; \
+ u32 size; \
+ u32 component; \
+ u32 line; \
+ char module[ACPI_MAX_MODULE_NAME]; \
+ u8 alloc_type;
+
+struct acpi_debug_mem_header {
+ACPI_COMMON_DEBUG_MEM_HEADER};
+
+struct acpi_debug_mem_block {
+ ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
+};
+
+#define ACPI_MEM_LIST_GLOBAL 0
+#define ACPI_MEM_LIST_NSNODE 1
+#define ACPI_MEM_LIST_MAX 1
+#define ACPI_NUM_MEM_LISTS 2
+
+/*****************************************************************************
+ *
+ * Info/help support
+ *
+ ****************************************************************************/
+
+struct ah_predefined_name {
+ char *name;
+ char *description;
+#ifndef ACPI_ASL_COMPILER
+ char *action;
+#endif
+};
+
+struct ah_device_id {
+ char *name;
+ char *description;
+};
+
+#endif /* __ACLOCAL_H__ */
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
new file mode 100644
index 00000000000..4bceb11c738
--- /dev/null
+++ b/drivers/acpi/acpica/acmacros.h
@@ -0,0 +1,430 @@
+/******************************************************************************
+ *
+ * Name: acmacros.h - C macros for the entire subsystem.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACMACROS_H__
+#define __ACMACROS_H__
+
+/*
+ * Extract data using a pointer. Any more than a byte and we
+ * get into potential aligment issues -- see the STORE macros below.
+ * Use with care.
+ */
+#define ACPI_CAST8(ptr) ACPI_CAST_PTR (u8, (ptr))
+#define ACPI_CAST16(ptr) ACPI_CAST_PTR (u16, (ptr))
+#define ACPI_CAST32(ptr) ACPI_CAST_PTR (u32, (ptr))
+#define ACPI_CAST64(ptr) ACPI_CAST_PTR (u64, (ptr))
+#define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr))
+#define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr))
+#define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr))
+#define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr))
+#define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (u8) (val))
+#define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (u16) (val))
+#define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (u32) (val))
+#define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (u64) (val))
+
+/*
+ * printf() format helpers. These macros are workarounds for the difficulties
+ * with emitting 64-bit integers and 64-bit pointers with the same code
+ * for both 32-bit and 64-bit hosts.
+ */
+#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i)
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_FORMAT_NATIVE_UINT(i) ACPI_FORMAT_UINT64(i)
+#define ACPI_FORMAT_TO_UINT(i) ACPI_FORMAT_UINT64(i)
+#define ACPI_PRINTF_UINT "0x%8.8X%8.8X"
+
+#else
+#define ACPI_FORMAT_NATIVE_UINT(i) 0, (u32) (i)
+#define ACPI_FORMAT_TO_UINT(i) (u32) (i)
+#define ACPI_PRINTF_UINT "0x%8.8X"
+#endif
+
+/*
+ * Macros for moving data around to/from buffers that are possibly unaligned.
+ * If the hardware supports the transfer of unaligned data, just do the store.
+ * Otherwise, we have to move one byte at a time.
+ */
+#ifdef ACPI_BIG_ENDIAN
+/*
+ * Macros for big-endian machines
+ */
+
+/* These macros reverse the bytes during the move, converting little-endian to big endian */
+
+ /* Big Endian <== Little Endian */
+ /* Hi...Lo Lo...Hi */
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\
+ ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
+ ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
+ ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
+ ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+
+#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
+ (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
+ (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
+ ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
+ ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
+ ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
+ ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+
+#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
+
+#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
+ (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
+ (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
+ (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
+ (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
+ (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
+ (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
+#else
+/*
+ * Macros for little-endian machines
+ */
+
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+
+/* The hardware supports unaligned transfers, just do the little-endian move */
+
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+#define ACPI_MOVE_32_TO_32(d, s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
+#define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
+
+#else
+/*
+ * The hardware does not support unaligned transfers. We must move the
+ * data one byte at a time. These macros work whether the source or
+ * the destination (or both) is/are unaligned. (Little-endian move)
+ */
+
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
+
+#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
+#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+
+#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
+ (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
+ (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
+
+#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+ (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
+ (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
+ (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
+ (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
+ (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
+ (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
+ (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
+#endif
+#endif
+
+/*
+ * Fast power-of-two math macros for non-optimized compilers
+ */
+#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2)))
+#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2)))
+#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1)))
+
+#define ACPI_DIV_2(a) _ACPI_DIV(a, 1)
+#define ACPI_MUL_2(a) _ACPI_MUL(a, 1)
+#define ACPI_MOD_2(a) _ACPI_MOD(a, 2)
+
+#define ACPI_DIV_4(a) _ACPI_DIV(a, 2)
+#define ACPI_MUL_4(a) _ACPI_MUL(a, 2)
+#define ACPI_MOD_4(a) _ACPI_MOD(a, 4)
+
+#define ACPI_DIV_8(a) _ACPI_DIV(a, 3)
+#define ACPI_MUL_8(a) _ACPI_MUL(a, 3)
+#define ACPI_MOD_8(a) _ACPI_MOD(a, 8)
+
+#define ACPI_DIV_16(a) _ACPI_DIV(a, 4)
+#define ACPI_MUL_16(a) _ACPI_MUL(a, 4)
+#define ACPI_MOD_16(a) _ACPI_MOD(a, 16)
+
+#define ACPI_DIV_32(a) _ACPI_DIV(a, 5)
+#define ACPI_MUL_32(a) _ACPI_MUL(a, 5)
+#define ACPI_MOD_32(a) _ACPI_MOD(a, 32)
+
+/*
+ * Rounding macros (Power of two boundaries only)
+ */
+#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \
+ (~(((acpi_size) boundary)-1)))
+
+#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \
+ (((acpi_size) boundary)-1)) & \
+ (~(((acpi_size) boundary)-1)))
+
+/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
+
+#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4)
+#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8)
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(acpi_size))
+
+#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4)
+#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8)
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(acpi_size))
+
+#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
+#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
+
+#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
+
+/* Generic (non-power-of-two) rounding */
+
+#define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary))
+
+#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1))
+
+/*
+ * Bitmask creation
+ * Bit positions start at zero.
+ * MASK_BITS_ABOVE creates a mask starting AT the position and above
+ * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
+ */
+#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position))))
+#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position)))
+
+/* Bitfields within ACPI registers */
+
+#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \
+ ((val << pos) & mask)
+
+#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \
+ reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
+
+#define ACPI_INSERT_BITS(target, mask, source) \
+ target = ((target & (~(mask))) | (source & mask))
+
+/* Generic bitfield macros and masks */
+
+#define ACPI_GET_BITS(source_ptr, position, mask) \
+ ((*source_ptr >> position) & mask)
+
+#define ACPI_SET_BITS(target_ptr, position, mask, value) \
+ (*target_ptr |= ((value & mask) << position))
+
+#define ACPI_1BIT_MASK 0x00000001
+#define ACPI_2BIT_MASK 0x00000003
+#define ACPI_3BIT_MASK 0x00000007
+#define ACPI_4BIT_MASK 0x0000000F
+#define ACPI_5BIT_MASK 0x0000001F
+#define ACPI_6BIT_MASK 0x0000003F
+#define ACPI_7BIT_MASK 0x0000007F
+#define ACPI_8BIT_MASK 0x000000FF
+#define ACPI_16BIT_MASK 0x0000FFFF
+#define ACPI_24BIT_MASK 0x00FFFFFF
+
+/* Macros to extract flag bits from position zero */
+
+#define ACPI_GET_1BIT_FLAG(value) ((value) & ACPI_1BIT_MASK)
+#define ACPI_GET_2BIT_FLAG(value) ((value) & ACPI_2BIT_MASK)
+#define ACPI_GET_3BIT_FLAG(value) ((value) & ACPI_3BIT_MASK)
+#define ACPI_GET_4BIT_FLAG(value) ((value) & ACPI_4BIT_MASK)
+
+/* Macros to extract flag bits from position one and above */
+
+#define ACPI_EXTRACT_1BIT_FLAG(field, position) (ACPI_GET_1BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_2BIT_FLAG(field, position) (ACPI_GET_2BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_3BIT_FLAG(field, position) (ACPI_GET_3BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_4BIT_FLAG(field, position) (ACPI_GET_4BIT_FLAG ((field) >> position))
+
+/* ACPI Pathname helpers */
+
+#define ACPI_IS_ROOT_PREFIX(c) ((c) == (u8) 0x5C) /* Backslash */
+#define ACPI_IS_PARENT_PREFIX(c) ((c) == (u8) 0x5E) /* Carat */
+#define ACPI_IS_PATH_SEPARATOR(c) ((c) == (u8) 0x2E) /* Period (dot) */
+
+/*
+ * An object of type struct acpi_namespace_node can appear in some contexts
+ * where a pointer to an object of type union acpi_operand_object can also
+ * appear. This macro is used to distinguish them.
+ *
+ * The "DescriptorType" field is the second field in both structures.
+ */
+#define ACPI_GET_DESCRIPTOR_PTR(d) (((union acpi_descriptor *)(void *)(d))->common.common_pointer)
+#define ACPI_SET_DESCRIPTOR_PTR(d, p) (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p))
+#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
+#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t))
+
+/*
+ * Macros for the master AML opcode table
+ */
+#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
+#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
+ {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
+#else
+#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
+ {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
+#endif
+
+#define ARG_TYPE_WIDTH 5
+#define ARG_1(x) ((u32)(x))
+#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH))
+#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH))
+#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH))
+#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH))
+#define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH))
+
+#define ARGI_LIST1(a) (ARG_1(a))
+#define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a))
+#define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a))
+#define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
+#define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
+#define ARGI_LIST6(a, b, c, d, e, f) (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
+
+#define ARGP_LIST1(a) (ARG_1(a))
+#define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b))
+#define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c))
+#define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
+#define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
+#define ARGP_LIST6(a, b, c, d, e, f) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
+
+#define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F))
+#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH))
+
+/*
+ * Ascii error messages can be configured out
+ */
+#ifndef ACPI_NO_ERROR_MESSAGES
+/*
+ * Error reporting. Callers module and line number are inserted by AE_INFO,
+ * the plist contains a set of parens to allow variable-length lists.
+ * These macros are used for both the debug and non-debug versions of the code.
+ */
+#define ACPI_ERROR_NAMESPACE(s, e) acpi_ut_namespace_error (AE_INFO, s, e);
+#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e);
+#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
+#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist
+#define ACPI_BIOS_ERROR_PREDEFINED(plist) acpi_ut_predefined_bios_error plist
+
+#else
+
+/* No error messages */
+
+#define ACPI_ERROR_NAMESPACE(s, e)
+#define ACPI_ERROR_METHOD(s, n, p, e)
+#define ACPI_WARN_PREDEFINED(plist)
+#define ACPI_INFO_PREDEFINED(plist)
+#define ACPI_BIOS_ERROR_PREDEFINED(plist)
+
+#endif /* ACPI_NO_ERROR_MESSAGES */
+
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_OPTIONAL_FUNCTION(addr) addr
+#else
+#define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL
+#endif
+
+/*
+ * Some code only gets executed when the debugger is built in.
+ * Note that this is entirely independent of whether the
+ * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
+ */
+#ifdef ACPI_DEBUGGER
+#define ACPI_DEBUGGER_EXEC(a) a
+#else
+#define ACPI_DEBUGGER_EXEC(a)
+#endif
+
+/*
+ * Macros used for ACPICA utilities only
+ */
+
+/* Generate a UUID */
+
+#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+ (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
+ (b) & 0xFF, ((b) >> 8) & 0xFF, \
+ (c) & 0xFF, ((c) >> 8) & 0xFF, \
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
+
+#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
+
+#endif /* ACMACROS_H */
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
new file mode 100644
index 00000000000..ee1c040f321
--- /dev/null
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -0,0 +1,407 @@
+/******************************************************************************
+ *
+ * Name: acnamesp.h - Namespace subcomponent prototypes and defines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACNAMESP_H__
+#define __ACNAMESP_H__
+
+/* To search the entire name space, pass this as search_base */
+
+#define ACPI_NS_ALL ((acpi_handle)0)
+
+/*
+ * Elements of acpi_ns_properties are bit significant
+ * and should be one-to-one with values of acpi_object_type
+ */
+#define ACPI_NS_NORMAL 0
+#define ACPI_NS_NEWSCOPE 1 /* a definition of this type opens a name scope */
+#define ACPI_NS_LOCAL 2 /* suppress search of enclosing scopes */
+
+/* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */
+
+#define ACPI_NS_NO_UPSEARCH 0
+#define ACPI_NS_SEARCH_PARENT 0x01
+#define ACPI_NS_DONT_OPEN_SCOPE 0x02
+#define ACPI_NS_NO_PEER_SEARCH 0x04
+#define ACPI_NS_ERROR_IF_FOUND 0x08
+#define ACPI_NS_PREFIX_IS_SCOPE 0x10
+#define ACPI_NS_EXTERNAL 0x20
+#define ACPI_NS_TEMPORARY 0x40
+
+/* Flags for acpi_ns_walk_namespace */
+
+#define ACPI_NS_WALK_NO_UNLOCK 0
+#define ACPI_NS_WALK_UNLOCK 0x01
+#define ACPI_NS_WALK_TEMP_NODES 0x02
+
+/* Object is not a package element */
+
+#define ACPI_NOT_PACKAGE_ELEMENT ACPI_UINT32_MAX
+
+/* Always emit warning message, not dependent on node flags */
+
+#define ACPI_WARN_ALWAYS 0
+
+/*
+ * nsinit - Namespace initialization
+ */
+acpi_status acpi_ns_initialize_objects(void);
+
+acpi_status acpi_ns_initialize_devices(void);
+
+/*
+ * nsload - Namespace loading
+ */
+acpi_status acpi_ns_load_namespace(void);
+
+acpi_status
+acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node);
+
+/*
+ * nswalk - walk the namespace
+ */
+acpi_status
+acpi_ns_walk_namespace(acpi_object_type type,
+ acpi_handle start_object,
+ u32 max_depth,
+ u32 flags,
+ acpi_walk_callback descending_callback,
+ acpi_walk_callback ascending_callback,
+ void *context, void **return_value);
+
+struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
+ *parent,
+ struct acpi_namespace_node
+ *child);
+
+struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
+ struct
+ acpi_namespace_node
+ *parent,
+ struct
+ acpi_namespace_node
+ *child);
+
+/*
+ * nsparse - table parsing
+ */
+acpi_status
+acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node);
+
+acpi_status
+acpi_ns_one_complete_parse(u32 pass_number,
+ u32 table_index,
+ struct acpi_namespace_node *start_node);
+
+/*
+ * nsaccess - Top-level namespace access
+ */
+acpi_status acpi_ns_root_initialize(void);
+
+acpi_status
+acpi_ns_lookup(union acpi_generic_state *scope_info,
+ char *name,
+ acpi_object_type type,
+ acpi_interpreter_mode interpreter_mode,
+ u32 flags,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **ret_node);
+
+/*
+ * nsalloc - Named object allocation/deallocation
+ */
+struct acpi_namespace_node *acpi_ns_create_node(u32 name);
+
+void acpi_ns_delete_node(struct acpi_namespace_node *node);
+
+void acpi_ns_remove_node(struct acpi_namespace_node *node);
+
+void
+acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);
+
+void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id);
+
+void acpi_ns_detach_object(struct acpi_namespace_node *node);
+
+void acpi_ns_delete_children(struct acpi_namespace_node *parent);
+
+int acpi_ns_compare_names(char *name1, char *name2);
+
+/*
+ * nsconvert - Dynamic object conversion routines
+ */
+acpi_status
+acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
+ union acpi_operand_object **return_object);
+
+acpi_status
+acpi_ns_convert_to_string(union acpi_operand_object *original_object,
+ union acpi_operand_object **return_object);
+
+acpi_status
+acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
+ union acpi_operand_object **return_object);
+
+acpi_status
+acpi_ns_convert_to_unicode(union acpi_operand_object *original_object,
+ union acpi_operand_object **return_object);
+
+acpi_status
+acpi_ns_convert_to_resource(union acpi_operand_object *original_object,
+ union acpi_operand_object **return_object);
+
+/*
+ * nsdump - Namespace dump/print utilities
+ */
+#ifdef ACPI_FUTURE_USAGE
+void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
+#endif /* ACPI_FUTURE_USAGE */
+
+void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
+
+void
+acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component);
+
+void acpi_ns_print_pathname(u32 num_segments, char *pathname);
+
+acpi_status
+acpi_ns_dump_one_object(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+#ifdef ACPI_FUTURE_USAGE
+void
+acpi_ns_dump_objects(acpi_object_type type,
+ u8 display_type,
+ u32 max_depth,
+ acpi_owner_id owner_id, acpi_handle start_handle);
+
+void
+acpi_ns_dump_object_paths(acpi_object_type type,
+ u8 display_type,
+ u32 max_depth,
+ acpi_owner_id owner_id, acpi_handle start_handle);
+#endif /* ACPI_FUTURE_USAGE */
+
+/*
+ * nseval - Namespace evaluation functions
+ */
+acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
+
+void acpi_ns_exec_module_code_list(void);
+
+/*
+ * nsarguments - Argument count/type checking for predefined/reserved names
+ */
+void
+acpi_ns_check_argument_count(char *pathname,
+ struct acpi_namespace_node *node,
+ u32 user_param_count,
+ const union acpi_predefined_info *info);
+
+void
+acpi_ns_check_acpi_compliance(char *pathname,
+ struct acpi_namespace_node *node,
+ const union acpi_predefined_info *predefined);
+
+void acpi_ns_check_argument_types(struct acpi_evaluate_info *info);
+
+/*
+ * nspredef - Return value checking for predefined/reserved names
+ */
+acpi_status
+acpi_ns_check_return_value(struct acpi_namespace_node *node,
+ struct acpi_evaluate_info *info,
+ u32 user_param_count,
+ acpi_status return_status,
+ union acpi_operand_object **return_object);
+
+acpi_status
+acpi_ns_check_object_type(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr,
+ u32 expected_btypes, u32 package_index);
+
+/*
+ * nsprepkg - Validation of predefined name packages
+ */
+acpi_status
+acpi_ns_check_package(struct acpi_evaluate_info *info,
+ union acpi_operand_object **return_object_ptr);
+
+/*
+ * nsnames - Name and Scope manipulation
+ */
+u32 acpi_ns_opens_scope(acpi_object_type type);
+
+acpi_status
+acpi_ns_build_external_path(struct acpi_namespace_node *node,
+ acpi_size size, char *name_buffer);
+
+char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
+
+char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ns_handle_to_pathname(acpi_handle target_handle,
+ struct acpi_buffer *buffer);
+
+u8
+acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
+
+acpi_status
+acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
+ const char *external_pathname,
+ u32 flags, struct acpi_namespace_node **out_node);
+
+acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
+
+/*
+ * nsobject - Object management for namespace nodes
+ */
+acpi_status
+acpi_ns_attach_object(struct acpi_namespace_node *node,
+ union acpi_operand_object *object, acpi_object_type type);
+
+union acpi_operand_object *acpi_ns_get_attached_object(struct
+ acpi_namespace_node
+ *node);
+
+union acpi_operand_object *acpi_ns_get_secondary_object(union
+ acpi_operand_object
+ *obj_desc);
+
+acpi_status
+acpi_ns_attach_data(struct acpi_namespace_node *node,
+ acpi_object_handler handler, void *data);
+
+acpi_status
+acpi_ns_detach_data(struct acpi_namespace_node *node,
+ acpi_object_handler handler);
+
+acpi_status
+acpi_ns_get_attached_data(struct acpi_namespace_node *node,
+ acpi_object_handler handler, void **data);
+
+/*
+ * nsrepair - General return object repair for all
+ * predefined methods/objects
+ */
+acpi_status
+acpi_ns_simple_repair(struct acpi_evaluate_info *info,
+ u32 expected_btypes,
+ u32 package_index,
+ union acpi_operand_object **return_object_ptr);
+
+acpi_status
+acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
+ union acpi_operand_object *original_object,
+ union acpi_operand_object **obj_desc_ptr);
+
+acpi_status
+acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
+ u32 expected_btypes,
+ u32 package_index,
+ union acpi_operand_object **return_object_ptr);
+
+void
+acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
+ u8 package_type,
+ union acpi_operand_object *obj_desc);
+
+/*
+ * nsrepair2 - Return object repair for specific
+ * predefined methods/objects
+ */
+acpi_status
+acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
+ struct acpi_namespace_node *node,
+ acpi_status validate_status,
+ union acpi_operand_object **return_object_ptr);
+
+/*
+ * nssearch - Namespace searching and entry
+ */
+acpi_status
+acpi_ns_search_and_enter(u32 entry_name,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node *node,
+ acpi_interpreter_mode interpreter_mode,
+ acpi_object_type type,
+ u32 flags, struct acpi_namespace_node **ret_node);
+
+acpi_status
+acpi_ns_search_one_scope(u32 entry_name,
+ struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_namespace_node **ret_node);
+
+void
+acpi_ns_install_node(struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node *parent_node,
+ struct acpi_namespace_node *node, acpi_object_type type);
+
+/*
+ * nsutils - Utility functions
+ */
+acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
+
+u32 acpi_ns_local(acpi_object_type type);
+
+void
+acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);
+
+acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
+
+void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
+
+acpi_status
+acpi_ns_internalize_name(const char *dotted_name, char **converted_name);
+
+acpi_status
+acpi_ns_externalize_name(u32 internal_name_length,
+ const char *internal_name,
+ u32 * converted_name_length, char **converted_name);
+
+struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
+
+void acpi_ns_terminate(void);
+
+#endif /* __ACNAMESP_H__ */
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
new file mode 100644
index 00000000000..22fb6449d3d
--- /dev/null
+++ b/drivers/acpi/acpica/acobject.h
@@ -0,0 +1,462 @@
+/******************************************************************************
+ *
+ * Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _ACOBJECT_H
+#define _ACOBJECT_H
+
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
+/*
+ * The union acpi_operand_object is used to pass AML operands from the dispatcher
+ * to the interpreter, and to keep track of the various handlers such as
+ * address space handlers and notify handlers. The object is a constant
+ * size in order to allow it to be cached and reused.
+ *
+ * Note: The object is optimized to be aligned and will not work if it is
+ * byte-packed.
+ */
+#if ACPI_MACHINE_WIDTH == 64
+#pragma pack(8)
+#else
+#pragma pack(4)
+#endif
+
+/*******************************************************************************
+ *
+ * Common Descriptors
+ *
+ ******************************************************************************/
+
+/*
+ * Common area for all objects.
+ *
+ * descriptor_type is used to differentiate between internal descriptors, and
+ * must be in the same place across all descriptors
+ *
+ * Note: The descriptor_type and Type fields must appear in the identical
+ * position in both the struct acpi_namespace_node and union acpi_operand_object
+ * structures.
+ */
+#define ACPI_OBJECT_COMMON_HEADER \
+ union acpi_operand_object *next_object; /* Objects linked to parent NS node */\
+ u8 descriptor_type; /* To differentiate various internal objs */\
+ u8 type; /* acpi_object_type */\
+ u16 reference_count; /* For object deletion management */\
+ u8 flags;
+ /*
+ * Note: There are 3 bytes available here before the
+ * next natural alignment boundary (for both 32/64 cases)
+ */
+
+/* Values for Flag byte above */
+
+#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */
+#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */
+#define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */
+#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
+#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
+#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
+
+/******************************************************************************
+ *
+ * Basic data types
+ *
+ *****************************************************************************/
+
+struct acpi_object_common {
+ACPI_OBJECT_COMMON_HEADER};
+
+struct acpi_object_integer {
+ ACPI_OBJECT_COMMON_HEADER u8 fill[3]; /* Prevent warning on some compilers */
+ u64 value;
+};
+
+/*
+ * Note: The String and Buffer object must be identical through the
+ * pointer and length elements. There is code that depends on this.
+ *
+ * Fields common to both Strings and Buffers
+ */
+#define ACPI_COMMON_BUFFER_INFO(_type) \
+ _type *pointer; \
+ u32 length;
+
+struct acpi_object_string { /* Null terminated, ASCII characters only */
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char) /* String in AML stream or allocated string */
+};
+
+struct acpi_object_buffer {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(u8) /* Buffer in AML stream or allocated buffer */
+ u32 aml_length;
+ u8 *aml_start;
+ struct acpi_namespace_node *node; /* Link back to parent node */
+};
+
+struct acpi_object_package {
+ ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Link back to parent node */
+ union acpi_operand_object **elements; /* Array of pointers to acpi_objects */
+ u8 *aml_start;
+ u32 aml_length;
+ u32 count; /* # of elements in package */
+};
+
+/******************************************************************************
+ *
+ * Complex data types
+ *
+ *****************************************************************************/
+
+struct acpi_object_event {
+ ACPI_OBJECT_COMMON_HEADER acpi_semaphore os_semaphore; /* Actual OS synchronization object */
+};
+
+struct acpi_object_mutex {
+ ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
+ u16 acquisition_depth; /* Allow multiple Acquires, same thread */
+ acpi_mutex os_mutex; /* Actual OS synchronization object */
+ acpi_thread_id thread_id; /* Current owner of the mutex */
+ struct acpi_thread_state *owner_thread; /* Current owner of the mutex */
+ union acpi_operand_object *prev; /* Link for list of acquired mutexes */
+ union acpi_operand_object *next; /* Link for list of acquired mutexes */
+ struct acpi_namespace_node *node; /* Containing namespace node */
+ u8 original_sync_level; /* Owner's original sync level (0-15) */
+};
+
+struct acpi_object_region {
+ ACPI_OBJECT_COMMON_HEADER u8 space_id;
+ struct acpi_namespace_node *node; /* Containing namespace node */
+ union acpi_operand_object *handler; /* Handler for region access */
+ union acpi_operand_object *next;
+ acpi_physical_address address;
+ u32 length;
+};
+
+struct acpi_object_method {
+ ACPI_OBJECT_COMMON_HEADER u8 info_flags;
+ u8 param_count;
+ u8 sync_level;
+ union acpi_operand_object *mutex;
+ u8 *aml_start;
+ union {
+ acpi_internal_method implementation;
+ union acpi_operand_object *handler;
+ } dispatch;
+
+ u32 aml_length;
+ u8 thread_count;
+ acpi_owner_id owner_id;
+};
+
+/* Flags for info_flags field above */
+
+#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */
+#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */
+#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */
+#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */
+#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */
+#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */
+
+/******************************************************************************
+ *
+ * Objects that can be notified. All share a common notify_info area.
+ *
+ *****************************************************************************/
+
+/*
+ * Common fields for objects that support ASL notifications
+ */
+#define ACPI_COMMON_NOTIFY_INFO \
+ union acpi_operand_object *notify_list[2]; /* Handlers for system/device notifies */\
+ union acpi_operand_object *handler; /* Handler for Address space */
+
+struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
+ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
+
+struct acpi_object_device {
+ ACPI_OBJECT_COMMON_HEADER
+ ACPI_COMMON_NOTIFY_INFO struct acpi_gpe_block_info *gpe_block;
+};
+
+struct acpi_object_power_resource {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 system_level;
+ u32 resource_order;
+};
+
+struct acpi_object_processor {
+ ACPI_OBJECT_COMMON_HEADER
+ /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
+ u8 proc_id;
+ u8 length;
+ ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
+};
+
+struct acpi_object_thermal_zone {
+ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
+
+/******************************************************************************
+ *
+ * Fields. All share a common header/info field.
+ *
+ *****************************************************************************/
+
+/*
+ * Common bitfield for the field objects
+ * "Field Datum" -- a datum from the actual field object
+ * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
+ */
+#define ACPI_COMMON_FIELD_INFO \
+ u8 field_flags; /* Access, update, and lock bits */\
+ u8 attribute; /* From access_as keyword */\
+ u8 access_byte_width; /* Read/Write size in bytes */\
+ struct acpi_namespace_node *node; /* Link back to parent node */\
+ u32 bit_length; /* Length of field in bits */\
+ u32 base_byte_offset; /* Byte offset within containing object */\
+ u32 value; /* Value to store into the Bank or Index register */\
+ u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
+ u8 access_length; /* For serial regions/fields */
+
+
+struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Parent Operation Region object (REGION/BANK fields only) */
+};
+
+struct acpi_object_region_field {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO u16 resource_length;
+ union acpi_operand_object *region_obj; /* Containing op_region object */
+ u8 *resource_buffer; /* resource_template for serial regions/fields */
+};
+
+struct acpi_object_bank_field {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing op_region object */
+ union acpi_operand_object *bank_obj; /* bank_select Register object */
+};
+
+struct acpi_object_index_field {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
+ /*
+ * No "RegionObj" pointer needed since the Index and Data registers
+ * are each field definitions unto themselves.
+ */
+ union acpi_operand_object *index_obj; /* Index register */
+ union acpi_operand_object *data_obj; /* Data register */
+};
+
+/* The buffer_field is different in that it is part of a Buffer, not an op_region */
+
+struct acpi_object_buffer_field {
+ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *buffer_obj; /* Containing Buffer object */
+};
+
+/******************************************************************************
+ *
+ * Objects for handlers
+ *
+ *****************************************************************************/
+
+struct acpi_object_notify_handler {
+ ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Parent device */
+ u32 handler_type; /* Type: Device/System/Both */
+ acpi_notify_handler handler; /* Handler address */
+ void *context;
+ union acpi_operand_object *next[2]; /* Device and System handler lists */
+};
+
+struct acpi_object_addr_handler {
+ ACPI_OBJECT_COMMON_HEADER u8 space_id;
+ u8 handler_flags;
+ acpi_adr_space_handler handler;
+ struct acpi_namespace_node *node; /* Parent device */
+ void *context;
+ acpi_adr_space_setup setup;
+ union acpi_operand_object *region_list; /* Regions using this handler */
+ union acpi_operand_object *next;
+};
+
+/* Flags for address handler (handler_flags) */
+
+#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01
+
+/******************************************************************************
+ *
+ * Special internal objects
+ *
+ *****************************************************************************/
+
+/*
+ * The Reference object is used for these opcodes:
+ * Arg[0-6], Local[0-7], index_op, name_op, ref_of_op, load_op, load_table_op, debug_op
+ * The Reference.Class differentiates these types.
+ */
+struct acpi_object_reference {
+ ACPI_OBJECT_COMMON_HEADER u8 class; /* Reference Class */
+ u8 target_type; /* Used for Index Op */
+ u8 reserved;
+ void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
+ struct acpi_namespace_node *node; /* ref_of or Namepath */
+ union acpi_operand_object **where; /* Target of Index */
+ u32 value; /* Used for Local/Arg/Index/ddb_handle */
+};
+
+/* Values for Reference.Class above */
+
+typedef enum {
+ ACPI_REFCLASS_LOCAL = 0, /* Method local */
+ ACPI_REFCLASS_ARG = 1, /* Method argument */
+ ACPI_REFCLASS_REFOF = 2, /* Result of ref_of() TBD: Split to Ref/Node and Ref/operand_obj? */
+ ACPI_REFCLASS_INDEX = 3, /* Result of Index() */
+ ACPI_REFCLASS_TABLE = 4, /* ddb_handle - Load(), load_table() */
+ ACPI_REFCLASS_NAME = 5, /* Reference to a named object */
+ ACPI_REFCLASS_DEBUG = 6, /* Debug object */
+
+ ACPI_REFCLASS_MAX = 6
+} ACPI_REFERENCE_CLASSES;
+
+/*
+ * Extra object is used as additional storage for types that
+ * have AML code in their declarations (term_args) that must be
+ * evaluated at run time.
+ *
+ * Currently: Region and field_unit types
+ */
+struct acpi_object_extra {
+ ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
+ struct acpi_namespace_node *scope_node;
+ void *region_context; /* Region-specific data */
+ u8 *aml_start;
+ u32 aml_length;
+};
+
+/* Additional data that can be attached to namespace nodes */
+
+struct acpi_object_data {
+ ACPI_OBJECT_COMMON_HEADER acpi_object_handler handler;
+ void *pointer;
+};
+
+/* Structure used when objects are cached for reuse */
+
+struct acpi_object_cache_list {
+ ACPI_OBJECT_COMMON_HEADER union acpi_operand_object *next; /* Link for object cache and internal lists */
+};
+
+/******************************************************************************
+ *
+ * union acpi_operand_object descriptor - a giant union of all of the above
+ *
+ *****************************************************************************/
+
+union acpi_operand_object {
+ struct acpi_object_common common;
+ struct acpi_object_integer integer;
+ struct acpi_object_string string;
+ struct acpi_object_buffer buffer;
+ struct acpi_object_package package;
+ struct acpi_object_event event;
+ struct acpi_object_method method;
+ struct acpi_object_mutex mutex;
+ struct acpi_object_region region;
+ struct acpi_object_notify_common common_notify;
+ struct acpi_object_device device;
+ struct acpi_object_power_resource power_resource;
+ struct acpi_object_processor processor;
+ struct acpi_object_thermal_zone thermal_zone;
+ struct acpi_object_field_common common_field;
+ struct acpi_object_region_field field;
+ struct acpi_object_buffer_field buffer_field;
+ struct acpi_object_bank_field bank_field;
+ struct acpi_object_index_field index_field;
+ struct acpi_object_notify_handler notify;
+ struct acpi_object_addr_handler address_space;
+ struct acpi_object_reference reference;
+ struct acpi_object_extra extra;
+ struct acpi_object_data data;
+ struct acpi_object_cache_list cache;
+
+ /*
+ * Add namespace node to union in order to simplify code that accepts both
+ * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
+ * a common descriptor_type field in order to differentiate them.
+ */
+ struct acpi_namespace_node node;
+};
+
+/******************************************************************************
+ *
+ * union acpi_descriptor - objects that share a common descriptor identifier
+ *
+ *****************************************************************************/
+
+/* Object descriptor types */
+
+#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */
+#define ACPI_DESC_TYPE_STATE 0x02
+#define ACPI_DESC_TYPE_STATE_UPDATE 0x03
+#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04
+#define ACPI_DESC_TYPE_STATE_CONTROL 0x05
+#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06
+#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07
+#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08
+#define ACPI_DESC_TYPE_STATE_RESULT 0x09
+#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A
+#define ACPI_DESC_TYPE_STATE_THREAD 0x0B
+#define ACPI_DESC_TYPE_WALK 0x0C
+#define ACPI_DESC_TYPE_PARSER 0x0D
+#define ACPI_DESC_TYPE_OPERAND 0x0E
+#define ACPI_DESC_TYPE_NAMED 0x0F
+#define ACPI_DESC_TYPE_MAX 0x0F
+
+struct acpi_common_descriptor {
+ void *common_pointer;
+ u8 descriptor_type; /* To differentiate various internal objs */
+};
+
+union acpi_descriptor {
+ struct acpi_common_descriptor common;
+ union acpi_operand_object object;
+ struct acpi_namespace_node node;
+ union acpi_parse_object op;
+};
+
+#pragma pack()
+
+#endif /* _ACOBJECT_H */
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h
new file mode 100644
index 00000000000..dda0e6affcf
--- /dev/null
+++ b/drivers/acpi/acpica/acopcode.h
@@ -0,0 +1,327 @@
+/******************************************************************************
+ *
+ * Name: acopcode.h - AML opcode information for the AML parser and interpreter
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACOPCODE_H__
+#define __ACOPCODE_H__
+
+#define MAX_EXTENDED_OPCODE 0x88
+#define NUM_EXTENDED_OPCODE (MAX_EXTENDED_OPCODE + 1)
+#define MAX_INTERNAL_OPCODE
+#define NUM_INTERNAL_OPCODE (MAX_INTERNAL_OPCODE + 1)
+
+/* Used for non-assigned opcodes */
+
+#define _UNK 0x6B
+
+/*
+ * Reserved ASCII characters. Do not use any of these for
+ * internal opcodes, since they are used to differentiate
+ * name strings from AML opcodes
+ */
+#define _ASC 0x6C
+#define _NAM 0x6C
+#define _PFX 0x6D
+
+/*
+ * All AML opcodes and the parse-time arguments for each. Used by the AML
+ * parser Each list is compressed into a 32-bit number and stored in the
+ * master opcode table (in psopcode.c).
+ */
+#define ARGP_ACCESSFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_ACQUIRE_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_WORDDATA)
+#define ARGP_ADD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_ALIAS_OP ARGP_LIST2 (ARGP_NAMESTRING, ARGP_NAME)
+#define ARGP_ARG0 ARG_NONE
+#define ARGP_ARG1 ARG_NONE
+#define ARGP_ARG2 ARG_NONE
+#define ARGP_ARG3 ARG_NONE
+#define ARGP_ARG4 ARG_NONE
+#define ARGP_ARG5 ARG_NONE
+#define ARGP_ARG6 ARG_NONE
+#define ARGP_BANK_FIELD_OP ARGP_LIST6 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_NAMESTRING,ARGP_TERMARG, ARGP_BYTEDATA, ARGP_FIELDLIST)
+#define ARGP_BIT_AND_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BIT_NAND_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BIT_NOR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BIT_NOT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BIT_OR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BIT_XOR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_BREAK_OP ARG_NONE
+#define ARGP_BREAK_POINT_OP ARG_NONE
+#define ARGP_BUFFER_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_BYTELIST)
+#define ARGP_BYTE_OP ARGP_LIST1 (ARGP_BYTEDATA)
+#define ARGP_BYTELIST_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_CONCAT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_CONCAT_RES_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SUPERNAME)
+#define ARGP_CONNECTFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_CONTINUE_OP ARG_NONE
+#define ARGP_COPY_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SIMPLENAME)
+#define ARGP_CREATE_BIT_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_CREATE_BYTE_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_CREATE_DWORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_CREATE_FIELD_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_CREATE_QWORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_CREATE_WORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME)
+#define ARGP_DATA_REGION_OP ARGP_LIST4 (ARGP_NAME, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_DEBUG_OP ARG_NONE
+#define ARGP_DECREMENT_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_DEREF_OF_OP ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_DEVICE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_OBJLIST)
+#define ARGP_DIVIDE_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET, ARGP_TARGET)
+#define ARGP_DWORD_OP ARGP_LIST1 (ARGP_DWORDDATA)
+#define ARGP_ELSE_OP ARGP_LIST2 (ARGP_PKGLENGTH, ARGP_TERMLIST)
+#define ARGP_EVENT_OP ARGP_LIST1 (ARGP_NAME)
+#define ARGP_FATAL_OP ARGP_LIST3 (ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_TERMARG)
+#define ARGP_FIELD_OP ARGP_LIST4 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_BYTEDATA, ARGP_FIELDLIST)
+#define ARGP_FIND_SET_LEFT_BIT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_FIND_SET_RIGHT_BIT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_FROM_BCD_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_IF_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_TERMLIST)
+#define ARGP_INCREMENT_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_INDEX_FIELD_OP ARGP_LIST5 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_NAMESTRING,ARGP_BYTEDATA, ARGP_FIELDLIST)
+#define ARGP_INDEX_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_LAND_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LGREATER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LGREATEREQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LLESS_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LLESSEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LNOT_OP ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_LNOTEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LOAD_OP ARGP_LIST2 (ARGP_NAMESTRING, ARGP_SUPERNAME)
+#define ARGP_LOAD_TABLE_OP ARGP_LIST6 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_LOCAL0 ARG_NONE
+#define ARGP_LOCAL1 ARG_NONE
+#define ARGP_LOCAL2 ARG_NONE
+#define ARGP_LOCAL3 ARG_NONE
+#define ARGP_LOCAL4 ARG_NONE
+#define ARGP_LOCAL5 ARG_NONE
+#define ARGP_LOCAL6 ARG_NONE
+#define ARGP_LOCAL7 ARG_NONE
+#define ARGP_LOR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_MATCH_OP ARGP_LIST6 (ARGP_TERMARG, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_METHOD_OP ARGP_LIST4 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_TERMLIST)
+#define ARGP_METHODCALL_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_MID_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_MOD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_MULTIPLY_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_MUTEX_OP ARGP_LIST2 (ARGP_NAME, ARGP_BYTEDATA)
+#define ARGP_NAME_OP ARGP_LIST2 (ARGP_NAME, ARGP_DATAOBJ)
+#define ARGP_NAMEDFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_NAMEPATH_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_NOOP_OP ARG_NONE
+#define ARGP_NOTIFY_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG)
+#define ARGP_ONE_OP ARG_NONE
+#define ARGP_ONES_OP ARG_NONE
+#define ARGP_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_BYTEDATA, ARGP_DATAOBJLIST)
+#define ARGP_POWER_RES_OP ARGP_LIST5 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_WORDDATA, ARGP_OBJLIST)
+#define ARGP_PROCESSOR_OP ARGP_LIST6 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_BYTEDATA, ARGP_OBJLIST)
+#define ARGP_QWORD_OP ARGP_LIST1 (ARGP_QWORDDATA)
+#define ARGP_REF_OF_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_REGION_OP ARGP_LIST4 (ARGP_NAME, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_TERMARG)
+#define ARGP_RELEASE_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_RESERVEDFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_RESET_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_RETURN_OP ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_REVISION_OP ARG_NONE
+#define ARGP_SCOPE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_TERMLIST)
+#define ARGP_SERIALFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_SHIFT_LEFT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_SHIFT_RIGHT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_SIGNAL_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_SIZE_OF_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_SLEEP_OP ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_STALL_OP ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_STATICSTRING_OP ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_STORE_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SUPERNAME)
+#define ARGP_STRING_OP ARGP_LIST1 (ARGP_CHARLIST)
+#define ARGP_SUBTRACT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_THERMAL_ZONE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_OBJLIST)
+#define ARGP_TIMER_OP ARG_NONE
+#define ARGP_TO_BCD_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TO_BUFFER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TO_DEC_STR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TO_HEX_STR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TO_INTEGER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TO_STRING_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET)
+#define ARGP_TYPE_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_UNLOAD_OP ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_VAR_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_DATAOBJLIST)
+#define ARGP_WAIT_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG)
+#define ARGP_WHILE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_TERMLIST)
+#define ARGP_WORD_OP ARGP_LIST1 (ARGP_WORDDATA)
+#define ARGP_ZERO_OP ARG_NONE
+
+/*
+ * All AML opcodes and the runtime arguments for each. Used by the AML
+ * interpreter Each list is compressed into a 32-bit number and stored
+ * in the master opcode table (in psopcode.c).
+ *
+ * (Used by prep_operands procedure and the ASL Compiler)
+ */
+#define ARGI_ACCESSFIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_ACQUIRE_OP ARGI_LIST2 (ARGI_MUTEX, ARGI_INTEGER)
+#define ARGI_ADD_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_ALIAS_OP ARGI_INVALID_OPCODE
+#define ARGI_ARG0 ARG_NONE
+#define ARGI_ARG1 ARG_NONE
+#define ARGI_ARG2 ARG_NONE
+#define ARGI_ARG3 ARG_NONE
+#define ARGI_ARG4 ARG_NONE
+#define ARGI_ARG5 ARG_NONE
+#define ARGI_ARG6 ARG_NONE
+#define ARGI_BANK_FIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_BIT_AND_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BIT_NAND_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BIT_NOR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BIT_NOT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BIT_OR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BIT_XOR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_BREAK_OP ARG_NONE
+#define ARGI_BREAK_POINT_OP ARG_NONE
+#define ARGI_BUFFER_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_BYTE_OP ARGI_INVALID_OPCODE
+#define ARGI_BYTELIST_OP ARGI_INVALID_OPCODE
+#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA, ARGI_TARGETREF)
+#define ARGI_CONCAT_RES_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_BUFFER, ARGI_TARGETREF)
+#define ARGI_COND_REF_OF_OP ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF)
+#define ARGI_CONNECTFIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_CONTINUE_OP ARGI_INVALID_OPCODE
+#define ARGI_COPY_OP ARGI_LIST2 (ARGI_ANYTYPE, ARGI_SIMPLE_TARGET)
+#define ARGI_CREATE_BIT_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_CREATE_BYTE_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_CREATE_DWORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_CREATE_FIELD_OP ARGI_LIST4 (ARGI_BUFFER, ARGI_INTEGER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_CREATE_QWORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_CREATE_WORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE)
+#define ARGI_DATA_REGION_OP ARGI_LIST3 (ARGI_STRING, ARGI_STRING, ARGI_STRING)
+#define ARGI_DEBUG_OP ARG_NONE
+#define ARGI_DECREMENT_OP ARGI_LIST1 (ARGI_TARGETREF)
+#define ARGI_DEREF_OF_OP ARGI_LIST1 (ARGI_REF_OR_STRING)
+#define ARGI_DEVICE_OP ARGI_INVALID_OPCODE
+#define ARGI_DIVIDE_OP ARGI_LIST4 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF, ARGI_TARGETREF)
+#define ARGI_DWORD_OP ARGI_INVALID_OPCODE
+#define ARGI_ELSE_OP ARGI_INVALID_OPCODE
+#define ARGI_EVENT_OP ARGI_INVALID_OPCODE
+#define ARGI_FATAL_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_INTEGER)
+#define ARGI_FIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_FIND_SET_LEFT_BIT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_FIND_SET_RIGHT_BIT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_FROM_BCD_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_FIXED_TARGET)
+#define ARGI_IF_OP ARGI_INVALID_OPCODE
+#define ARGI_INCREMENT_OP ARGI_LIST1 (ARGI_TARGETREF)
+#define ARGI_INDEX_FIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_INDEX_OP ARGI_LIST3 (ARGI_COMPLEXOBJ, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_LAND_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER)
+#define ARGI_LEQUAL_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
+#define ARGI_LGREATER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
+#define ARGI_LGREATEREQUAL_OP ARGI_INVALID_OPCODE
+#define ARGI_LLESS_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
+#define ARGI_LLESSEQUAL_OP ARGI_INVALID_OPCODE
+#define ARGI_LNOT_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_LNOTEQUAL_OP ARGI_INVALID_OPCODE
+#define ARGI_LOAD_OP ARGI_LIST2 (ARGI_REGION_OR_BUFFER,ARGI_TARGETREF)
+#define ARGI_LOAD_TABLE_OP ARGI_LIST6 (ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_ANYTYPE)
+#define ARGI_LOCAL0 ARG_NONE
+#define ARGI_LOCAL1 ARG_NONE
+#define ARGI_LOCAL2 ARG_NONE
+#define ARGI_LOCAL3 ARG_NONE
+#define ARGI_LOCAL4 ARG_NONE
+#define ARGI_LOCAL5 ARG_NONE
+#define ARGI_LOCAL6 ARG_NONE
+#define ARGI_LOCAL7 ARG_NONE
+#define ARGI_LOR_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER)
+#define ARGI_MATCH_OP ARGI_LIST6 (ARGI_PACKAGE, ARGI_INTEGER, ARGI_COMPUTEDATA, ARGI_INTEGER,ARGI_COMPUTEDATA,ARGI_INTEGER)
+#define ARGI_METHOD_OP ARGI_INVALID_OPCODE
+#define ARGI_METHODCALL_OP ARGI_INVALID_OPCODE
+#define ARGI_MID_OP ARGI_LIST4 (ARGI_BUFFER_OR_STRING,ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_MOD_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_MULTIPLY_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_MUTEX_OP ARGI_INVALID_OPCODE
+#define ARGI_NAME_OP ARGI_INVALID_OPCODE
+#define ARGI_NAMEDFIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_NAMEPATH_OP ARGI_INVALID_OPCODE
+#define ARGI_NOOP_OP ARG_NONE
+#define ARGI_NOTIFY_OP ARGI_LIST2 (ARGI_DEVICE_REF, ARGI_INTEGER)
+#define ARGI_ONE_OP ARG_NONE
+#define ARGI_ONES_OP ARG_NONE
+#define ARGI_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_POWER_RES_OP ARGI_INVALID_OPCODE
+#define ARGI_PROCESSOR_OP ARGI_INVALID_OPCODE
+#define ARGI_QWORD_OP ARGI_INVALID_OPCODE
+#define ARGI_REF_OF_OP ARGI_LIST1 (ARGI_OBJECT_REF)
+#define ARGI_REGION_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER)
+#define ARGI_RELEASE_OP ARGI_LIST1 (ARGI_MUTEX)
+#define ARGI_RESERVEDFIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_RESET_OP ARGI_LIST1 (ARGI_EVENT)
+#define ARGI_RETURN_OP ARGI_INVALID_OPCODE
+#define ARGI_REVISION_OP ARG_NONE
+#define ARGI_SCOPE_OP ARGI_INVALID_OPCODE
+#define ARGI_SERIALFIELD_OP ARGI_INVALID_OPCODE
+#define ARGI_SHIFT_LEFT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_SHIFT_RIGHT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_SIGNAL_OP ARGI_LIST1 (ARGI_EVENT)
+#define ARGI_SIZE_OF_OP ARGI_LIST1 (ARGI_DATAOBJECT)
+#define ARGI_SLEEP_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_STALL_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_STATICSTRING_OP ARGI_INVALID_OPCODE
+#define ARGI_STORE_OP ARGI_LIST2 (ARGI_DATAREFOBJ, ARGI_TARGETREF)
+#define ARGI_STRING_OP ARGI_INVALID_OPCODE
+#define ARGI_SUBTRACT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF)
+#define ARGI_THERMAL_ZONE_OP ARGI_INVALID_OPCODE
+#define ARGI_TIMER_OP ARG_NONE
+#define ARGI_TO_BCD_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_FIXED_TARGET)
+#define ARGI_TO_BUFFER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_DEC_STR_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_HEX_STR_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_INTEGER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_STRING_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_FIXED_TARGET)
+#define ARGI_TYPE_OP ARGI_LIST1 (ARGI_ANYTYPE)
+#define ARGI_UNLOAD_OP ARGI_LIST1 (ARGI_DDBHANDLE)
+#define ARGI_VAR_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_WAIT_OP ARGI_LIST2 (ARGI_EVENT, ARGI_INTEGER)
+#define ARGI_WHILE_OP ARGI_INVALID_OPCODE
+#define ARGI_WORD_OP ARGI_INVALID_OPCODE
+#define ARGI_ZERO_OP ARG_NONE
+
+#endif /* __ACOPCODE_H__ */
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
new file mode 100644
index 00000000000..6168b85463e
--- /dev/null
+++ b/drivers/acpi/acpica/acparser.h
@@ -0,0 +1,254 @@
+/******************************************************************************
+ *
+ * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACPARSER_H__
+#define __ACPARSER_H__
+
+#define OP_HAS_RETURN_VALUE 1
+
+/* Variable number of arguments. This field must be 32 bits */
+
+#define ACPI_VAR_ARGS ACPI_UINT32_MAX
+
+#define ACPI_PARSE_DELETE_TREE 0x0001
+#define ACPI_PARSE_NO_TREE_DELETE 0x0000
+#define ACPI_PARSE_TREE_MASK 0x0001
+
+#define ACPI_PARSE_LOAD_PASS1 0x0010
+#define ACPI_PARSE_LOAD_PASS2 0x0020
+#define ACPI_PARSE_EXECUTE 0x0030
+#define ACPI_PARSE_MODE_MASK 0x0030
+
+#define ACPI_PARSE_DEFERRED_OP 0x0100
+#define ACPI_PARSE_DISASSEMBLE 0x0200
+
+#define ACPI_PARSE_MODULE_LEVEL 0x0400
+
+/******************************************************************************
+ *
+ * Parser interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * psxface - Parser external interfaces
+ */
+acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
+
+/*
+ * psargs - Parse AML opcode arguments
+ */
+u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state);
+
+char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state);
+
+void
+acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
+ u32 arg_type, union acpi_parse_object *arg);
+
+acpi_status
+acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
+ struct acpi_parse_state *parser_state,
+ union acpi_parse_object *arg, u8 method_call);
+
+acpi_status
+acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
+ struct acpi_parse_state *parser_state,
+ u32 arg_type, union acpi_parse_object **return_arg);
+
+/*
+ * psfind
+ */
+union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
+ u32 name, u32 opcode);
+
+union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
+
+/*
+ * psobject - support for parse object processing
+ */
+acpi_status
+acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start,
+ union acpi_parse_object *unnamed_op,
+ union acpi_parse_object **op);
+
+acpi_status
+acpi_ps_create_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start, union acpi_parse_object **new_op);
+
+acpi_status
+acpi_ps_complete_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **op, acpi_status status);
+
+acpi_status
+acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op, acpi_status status);
+
+/*
+ * psopinfo - AML Opcode information
+ */
+const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
+
+char *acpi_ps_get_opcode_name(u16 opcode);
+
+u8 acpi_ps_get_argument_count(u32 op_type);
+
+/*
+ * psparse - top level parsing routines
+ */
+acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
+
+u32 acpi_ps_get_opcode_size(u32 opcode);
+
+u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
+
+acpi_status
+acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ acpi_status callback_status);
+
+/*
+ * psloop - main parse loop
+ */
+acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state);
+
+/*
+ * psscope - Scope stack management routines
+ */
+acpi_status
+acpi_ps_init_scope(struct acpi_parse_state *parser_state,
+ union acpi_parse_object *root);
+
+union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
+ *state);
+
+u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state);
+
+void
+acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
+ union acpi_parse_object **op, u32 *arg_list, u32 *arg_count);
+
+acpi_status
+acpi_ps_push_scope(struct acpi_parse_state *parser_state,
+ union acpi_parse_object *op,
+ u32 remaining_args, u32 arg_count);
+
+void acpi_ps_cleanup_scope(struct acpi_parse_state *state);
+
+/*
+ * pstree - parse tree manipulation routines
+ */
+void
+acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg);
+
+union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope,
+ char *path, u16 opcode, u32 create);
+
+union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn);
+
+#ifdef ACPI_FUTURE_USAGE
+union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
+ union acpi_parse_object *op);
+#endif /* ACPI_FUTURE_USAGE */
+
+/*
+ * pswalk - parse tree walk routines
+ */
+acpi_status
+acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op,
+ union acpi_parse_object *end_op,
+ union acpi_operand_object *mth_desc,
+ struct acpi_namespace_node *start_node,
+ union acpi_operand_object **params,
+ union acpi_operand_object **caller_return_desc,
+ acpi_owner_id owner_id,
+ acpi_parse_downwards descending_callback,
+ acpi_parse_upwards ascending_callback);
+
+acpi_status
+acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ acpi_parse_upwards ascending_callback);
+
+acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state);
+
+void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
+
+/*
+ * psutils - parser utilities
+ */
+union acpi_parse_object *acpi_ps_create_scope_op(void);
+
+void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
+
+union acpi_parse_object *acpi_ps_alloc_op(u16 opcode);
+
+void acpi_ps_free_op(union acpi_parse_object *op);
+
+u8 acpi_ps_is_leading_char(u32 c);
+
+#ifdef ACPI_FUTURE_USAGE
+u32 acpi_ps_get_name(union acpi_parse_object *op);
+#endif /* ACPI_FUTURE_USAGE */
+
+void acpi_ps_set_name(union acpi_parse_object *op, u32 name);
+
+/*
+ * psdump - display parser tree
+ */
+u32
+acpi_ps_sprint_path(char *buffer_start,
+ u32 buffer_size, union acpi_parse_object *op);
+
+u32
+acpi_ps_sprint_op(char *buffer_start,
+ u32 buffer_size, union acpi_parse_object *op);
+
+void acpi_ps_show(union acpi_parse_object *op);
+
+#endif /* __ACPARSER_H__ */
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
new file mode 100644
index 00000000000..bd08817cafd
--- /dev/null
+++ b/drivers/acpi/acpica/acpredef.h
@@ -0,0 +1,1087 @@
+/******************************************************************************
+ *
+ * Name: acpredef - Information table for ACPI predefined methods and objects
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACPREDEF_H__
+#define __ACPREDEF_H__
+
+/******************************************************************************
+ *
+ * Return Package types
+ *
+ * 1) PTYPE1 packages do not contain subpackages.
+ *
+ * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
+ * object type
+ * count
+ * object type
+ * count
+ *
+ * ACPI_PTYPE1_VAR: Variable-length length. Zero-length package is allowed:
+ * object type (Int/Buf/Ref)
+ *
+ * ACPI_PTYPE1_OPTION: Package has some required and some optional elements
+ * (Used for _PRW)
+ *
+ *
+ * 2) PTYPE2 packages contain a Variable-length number of subpackages. Each
+ * of the different types describe the contents of each of the subpackages.
+ *
+ * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types. Zero-length
+ * parent package is allowed:
+ * object type
+ * count
+ * object type
+ * count
+ * (Used for _ALR,_MLS,_PSS,_TRT,_TSS)
+ *
+ * ACPI_PTYPE2_COUNT: Each subpackage has a count as first element.
+ * Zero-length parent package is allowed:
+ * object type
+ * (Used for _CSD,_PSD,_TSD)
+ *
+ * ACPI_PTYPE2_PKG_COUNT: Count of subpackages at start, 1 or 2 object types:
+ * object type
+ * count
+ * object type
+ * count
+ * (Used for _CST)
+ *
+ * ACPI_PTYPE2_FIXED: Each subpackage is of Fixed-length. Zero-length
+ * parent package is allowed.
+ * (Used for _PRT)
+ *
+ * ACPI_PTYPE2_MIN: Each subpackage has a Variable-length but minimum length.
+ * Zero-length parent package is allowed:
+ * (Used for _HPX)
+ *
+ * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
+ * (Used for _ART, _FPS)
+ *
+ * ACPI_PTYPE2_FIX_VAR: Each subpackage consists of some fixed-length elements
+ * followed by an optional element. Zero-length parent package is allowed.
+ * object type
+ * count
+ * object type
+ * count = 0 (optional)
+ * (Used for _DLM)
+ *
+ *****************************************************************************/
+
+enum acpi_return_package_types {
+ ACPI_PTYPE1_FIXED = 1,
+ ACPI_PTYPE1_VAR = 2,
+ ACPI_PTYPE1_OPTION = 3,
+ ACPI_PTYPE2 = 4,
+ ACPI_PTYPE2_COUNT = 5,
+ ACPI_PTYPE2_PKG_COUNT = 6,
+ ACPI_PTYPE2_FIXED = 7,
+ ACPI_PTYPE2_MIN = 8,
+ ACPI_PTYPE2_REV_FIXED = 9,
+ ACPI_PTYPE2_FIX_VAR = 10
+};
+
+/* Support macros for users of the predefined info table */
+
+#define METHOD_PREDEF_ARGS_MAX 4
+#define METHOD_ARG_BIT_WIDTH 3
+#define METHOD_ARG_MASK 0x0007
+#define ARG_COUNT_IS_MINIMUM 0x8000
+#define METHOD_MAX_ARG_TYPE ACPI_TYPE_PACKAGE
+
+#define METHOD_GET_ARG_COUNT(arg_list) ((arg_list) & METHOD_ARG_MASK)
+#define METHOD_GET_NEXT_TYPE(arg_list) (((arg_list) >>= METHOD_ARG_BIT_WIDTH) & METHOD_ARG_MASK)
+
+/* Macros used to build the predefined info table */
+
+#define METHOD_0ARGS 0
+#define METHOD_1ARGS(a1) (1 | (a1 << 3))
+#define METHOD_2ARGS(a1,a2) (2 | (a1 << 3) | (a2 << 6))
+#define METHOD_3ARGS(a1,a2,a3) (3 | (a1 << 3) | (a2 << 6) | (a3 << 9))
+#define METHOD_4ARGS(a1,a2,a3,a4) (4 | (a1 << 3) | (a2 << 6) | (a3 << 9) | (a4 << 12))
+
+#define METHOD_RETURNS(type) (type)
+#define METHOD_NO_RETURN_VALUE 0
+
+#define PACKAGE_INFO(a,b,c,d,e,f) {{{(a),(b),(c),(d)}, ((((u16)(f)) << 8) | (e)), 0}}
+
+/* Support macros for the resource descriptor info table */
+
+#define WIDTH_1 0x0001
+#define WIDTH_2 0x0002
+#define WIDTH_3 0x0004
+#define WIDTH_8 0x0008
+#define WIDTH_16 0x0010
+#define WIDTH_32 0x0020
+#define WIDTH_64 0x0040
+#define VARIABLE_DATA 0x0080
+#define NUM_RESOURCE_WIDTHS 8
+
+#define WIDTH_ADDRESS WIDTH_16 | WIDTH_32 | WIDTH_64
+
+#ifdef ACPI_CREATE_PREDEFINED_TABLE
+/******************************************************************************
+ *
+ * Predefined method/object information table.
+ *
+ * These are the names that can actually be evaluated via acpi_evaluate_object.
+ * Not present in this table are the following:
+ *
+ * 1) Predefined/Reserved names that are never evaluated via
+ * acpi_evaluate_object:
+ * _Lxx and _Exx GPE methods
+ * _Qxx EC methods
+ * _T_x compiler temporary variables
+ * _Wxx wake events
+ *
+ * 2) Predefined names that never actually exist within the AML code:
+ * Predefined resource descriptor field names
+ *
+ * 3) Predefined names that are implemented within ACPICA:
+ * _OSI
+ *
+ * The main entries in the table each contain the following items:
+ *
+ * name - The ACPI reserved name
+ * argument_list - Contains (in 16 bits), the number of required
+ * arguments to the method (3 bits), and a 3-bit type
+ * field for each argument (up to 4 arguments). The
+ * METHOD_?ARGS macros generate the correct packed data.
+ * expected_btypes - Allowed type(s) for the return value.
+ * 0 means that no return value is expected.
+ *
+ * For methods that return packages, the next entry in the table contains
+ * information about the expected structure of the package. This information
+ * is saved here (rather than in a separate table) in order to minimize the
+ * overall size of the stored data.
+ *
+ * Note: The additional braces are intended to promote portability.
+ *
+ * Note2: Table is used by the kernel-resident subsystem, the iASL compiler,
+ * and the acpi_help utility.
+ *
+ * TBD: _PRT - currently ignore reversed entries. Attempt to fix in nsrepair.
+ * Possibly fixing package elements like _BIF, etc.
+ *
+ *****************************************************************************/
+
+const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
+ {{"_AC0", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC1", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC2", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC3", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC4", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC5", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC6", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC7", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC8", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AC9", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ADR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_AEI", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_AL0", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL1", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL2", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL3", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL4", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL5", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL6", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL7", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL8", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_AL9", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_ALC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ALI", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ALP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ALR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each 2 (Ints) */
+ PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2, 0, 0, 0),
+
+ {{"_ALT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ART", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (1 Int(rev), n Pkg (2 Ref/11 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_REFERENCE, 2,
+ ACPI_RTYPE_INTEGER, 11, 0),
+
+ {{"_BBN", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BCL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
+
+ {{"_BCM", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_BCT", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BDN", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BFS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_BIF", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (9 Int),(4 Str) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9,
+ ACPI_RTYPE_STRING, 4, 0),
+
+ {{"_BIX", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (16 Int),(4 Str) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,
+ ACPI_RTYPE_STRING, 4, 0),
+
+ {{"_BLT",
+ METHOD_3ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_BMA", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BMC", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_BMD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (5 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_BMS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BQC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BST", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
+
+ {{"_BTM", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_BTP", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_CBA", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See PCI firmware spec 3.0 */
+
+ {{"_CDM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_CID", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints/Strs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,
+ 0, 0, 0),
+
+ {{"_CLS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (3 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0, 0, 0),
+
+ {{"_CPC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints/Bufs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER, 0,
+ 0, 0, 0),
+
+ {{"_CRS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_CRT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_CSD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (1 Int(n), n-1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
+
+ {{"_CST", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2_PKG_COUNT, ACPI_RTYPE_BUFFER, 1,
+ ACPI_RTYPE_INTEGER, 3, 0),
+
+ {{"_CWS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_DCK", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_DCS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_DDC", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER)}},
+
+ {{"_DDN", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_STRING)}},
+
+ {{"_DEP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_DGS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_DIS", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_DLM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (1 Ref, 0/1 Optional Buf/Ref) */
+ PACKAGE_INFO(ACPI_PTYPE2_FIX_VAR, ACPI_RTYPE_REFERENCE, 1,
+ ACPI_RTYPE_REFERENCE | ACPI_RTYPE_BUFFER, 0, 0),
+
+ {{"_DMA", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_DOD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
+
+ {{"_DOS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_DSM",
+ METHOD_4ARGS(ACPI_TYPE_BUFFER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER,
+ ACPI_TYPE_PACKAGE),
+ METHOD_RETURNS(ACPI_RTYPE_ALL)}}, /* Must return a value, but it can be of any type */
+
+ {{"_DSS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_DSW",
+ METHOD_3ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_DTI", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EC_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_EDL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_EJ0", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EJ1", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EJ2", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EJ3", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EJ4", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_EJD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_STRING)}},
+
+ {{"_ERR",
+ METHOD_3ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_STRING, ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* Internal use only, used by ACPICA test suites */
+
+ {{"_EVT", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_FDE", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_FDI", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (16 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, 0, 0, 0),
+
+ {{"_FDM", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_FIF", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
+
+ {{"_FIX", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
+
+ {{"_FPS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (1 Int(rev), n Pkg (5 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_FSL", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_FST", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (3 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0, 0, 0),
+
+ {{"_GAI", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GCP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GHL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GLK", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GPD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GPE", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* _GPE method, not _GPE scope */
+
+ {{"_GRT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_GSB", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_GTF", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_GTM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_GTS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_GWS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_HID", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING)}},
+
+ {{"_HOT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_HPP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
+
+ /*
+ * For _HPX, a single package is returned, containing a variable-length number
+ * of subpackages. Each subpackage contains a PCI record setting.
+ * There are several different type of record settings, of different
+ * lengths, but all elements of all settings are Integers.
+ */
+ {{"_HPX", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (var Ints) */
+ PACKAGE_INFO(ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_HRV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_IFT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See IPMI spec */
+
+ {{"_INI", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_IRC", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_LCK", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_LID", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_LPD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (1 Int(rev), n Pkg (2 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0),
+
+ {{"_MAT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_MBM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (8 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8, 0, 0, 0),
+
+ {{"_MLS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (1 Str/1 Buf) */
+ PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_STRING, 1, ACPI_RTYPE_BUFFER, 1,
+ 0),
+
+ {{"_MSG", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_MSM",
+ METHOD_4ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER,
+ ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_NTT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_OFF", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_ON_", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_OS_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_STRING)}},
+
+ {{"_OSC",
+ METHOD_4ARGS(ACPI_TYPE_BUFFER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER,
+ ACPI_TYPE_BUFFER),
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_OST",
+ METHOD_3ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER, ACPI_TYPE_BUFFER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PAI", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PCL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PCT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (2 Buf) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0),
+
+ {{"_PDC", METHOD_1ARGS(ACPI_TYPE_BUFFER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PDL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PIC", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PIF", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (3 Int),(3 Str) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3,
+ ACPI_RTYPE_STRING, 3, 0),
+
+ {{"_PLD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Bufs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0, 0, 0, 0),
+
+ {{"_PMC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (11 Int),(3 Str) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 11,
+ ACPI_RTYPE_STRING, 3, 0),
+
+ {{"_PMD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PMM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PPC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PPE", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See dig64 spec */
+
+ {{"_PR0", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PR1", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PR2", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PR3", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PRE", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PRL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PRS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ /*
+ * For _PRT, many BIOSs reverse the 3rd and 4th Package elements (Source
+ * and source_index). This bug is so prevalent that there is code in the
+ * ACPICA Resource Manager to detect this and switch them back. For now,
+ * do not allow and issue a warning. To allow this and eliminate the
+ * warning, add the ACPI_RTYPE_REFERENCE type to the 4th element (index 3)
+ * in the statement below.
+ */
+ {{"_PRT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (4): Int,Int,Int/Ref,Int */
+ PACKAGE_INFO(ACPI_PTYPE2_FIXED, 4, ACPI_RTYPE_INTEGER,
+ ACPI_RTYPE_INTEGER,
+ ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE,
+ ACPI_RTYPE_INTEGER),
+
+ {{"_PRW", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each: Pkg/Int,Int,[Variable-length Refs] (Pkg is Ref/Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_OPTION, 2,
+ ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE,
+ ACPI_RTYPE_INTEGER, ACPI_RTYPE_REFERENCE, 0),
+
+ {{"_PS0", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PS1", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PS2", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PS3", METHOD_0ARGS,
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PSC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PSD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (5 Int) with count */
+ PACKAGE_INFO(ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
+
+ {{"_PSE", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PSL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_PSR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PSS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each (6 Int) */
+ PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6, 0, 0, 0),
+
+ {{"_PSV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PSW", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PTC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (2 Buf) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0),
+
+ {{"_PTP", METHOD_2ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_PTS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_PUR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (2 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0),
+
+ {{"_PXM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_REG", METHOD_2ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_REV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_RMV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_ROM", METHOD_2ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_RTV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ /*
+ * For _S0_ through _S5_, the ACPI spec defines a return Package
+ * containing 1 Integer, but most DSDTs have it wrong - 2,3, or 4 integers.
+ * Allow this by making the objects "Variable-length length", but all elements
+ * must be Integers.
+ */
+ {{"_S0_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S1_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S2_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S3_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S4_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S5_", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (1 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0),
+
+ {{"_S1D", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S2D", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S3D", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S4D", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S0W", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S1W", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S2W", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S3W", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_S4W", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SBS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SCP", METHOD_1ARGS(ACPI_TYPE_INTEGER) | ARG_COUNT_IS_MINIMUM,
+ METHOD_NO_RETURN_VALUE}}, /* Acpi 1.0 allowed 1 integer arg. Acpi 3.0 expanded to 3 args. Allow both. */
+
+ {{"_SDD", METHOD_1ARGS(ACPI_TYPE_BUFFER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_SEG", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SHL", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SLI", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_SPD", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SRS", METHOD_1ARGS(ACPI_TYPE_BUFFER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_SRT", METHOD_1ARGS(ACPI_TYPE_BUFFER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SRV", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See IPMI spec */
+
+ {{"_SST", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_STA", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_STM",
+ METHOD_3ARGS(ACPI_TYPE_BUFFER, ACPI_TYPE_BUFFER, ACPI_TYPE_BUFFER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_STP", METHOD_2ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_STR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_STV", METHOD_2ARGS(ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SUB", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_STRING)}},
+
+ {{"_SUN", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_SWS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TC1", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TC2", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TDL", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TIP", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TIV", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TMP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TPC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TPT", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_TRT", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each 2 Ref/6 Int */
+ PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER,
+ 6, 0),
+
+ {{"_TSD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each 5 Int with count */
+ PACKAGE_INFO(ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_TSP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TSS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each 5 Int */
+ PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_TST", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_TTS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_NO_RETURN_VALUE}},
+
+ {{"_TZD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Refs) */
+ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
+
+ {{"_TZM", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_REFERENCE)}},
+
+ {{"_TZP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_UID", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING)}},
+
+ {{"_UPC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
+
+ {{"_UPD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_UPP", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ {{"_VPO", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
+ /* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
+
+ {{"_WAK", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER |
+ ACPI_RTYPE_PACKAGE)}},
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0), /* Fixed-length (2 Int), but is optional */
+
+ /* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
+
+ {{"_WDG", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
+
+ {{"_WED", METHOD_1ARGS(ACPI_TYPE_INTEGER),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING |
+ ACPI_RTYPE_BUFFER)}},
+
+ PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */
+};
+#else
+extern const union acpi_predefined_info acpi_gbl_predefined_methods[];
+#endif
+
+#if (defined ACPI_CREATE_RESOURCE_TABLE && defined ACPI_APPLICATION)
+/******************************************************************************
+ *
+ * Predefined names for use in Resource Descriptors. These names do not
+ * appear in the global Predefined Name table (since these names never
+ * appear in actual AML byte code, only in the original ASL)
+ *
+ * Note: Used by iASL compiler and acpi_help utility only.
+ *
+ *****************************************************************************/
+
+const union acpi_predefined_info acpi_gbl_resource_names[] = {
+ {{"_ADR", WIDTH_16 | WIDTH_64, 0}},
+ {{"_ALN", WIDTH_8 | WIDTH_16 | WIDTH_32, 0}},
+ {{"_ASI", WIDTH_8, 0}},
+ {{"_ASZ", WIDTH_8, 0}},
+ {{"_ATT", WIDTH_64, 0}},
+ {{"_BAS", WIDTH_16 | WIDTH_32, 0}},
+ {{"_BM_", WIDTH_1, 0}},
+ {{"_DBT", WIDTH_16, 0}}, /* Acpi 5.0 */
+ {{"_DEC", WIDTH_1, 0}},
+ {{"_DMA", WIDTH_8, 0}},
+ {{"_DPL", WIDTH_1, 0}}, /* Acpi 5.0 */
+ {{"_DRS", WIDTH_16, 0}}, /* Acpi 5.0 */
+ {{"_END", WIDTH_1, 0}}, /* Acpi 5.0 */
+ {{"_FLC", WIDTH_2, 0}}, /* Acpi 5.0 */
+ {{"_GRA", WIDTH_ADDRESS, 0}},
+ {{"_HE_", WIDTH_1, 0}},
+ {{"_INT", WIDTH_16 | WIDTH_32, 0}},
+ {{"_IOR", WIDTH_2, 0}}, /* Acpi 5.0 */
+ {{"_LEN", WIDTH_8 | WIDTH_ADDRESS, 0}},
+ {{"_LIN", WIDTH_8, 0}}, /* Acpi 5.0 */
+ {{"_LL_", WIDTH_1, 0}},
+ {{"_MAF", WIDTH_1, 0}},
+ {{"_MAX", WIDTH_ADDRESS, 0}},
+ {{"_MEM", WIDTH_2, 0}},
+ {{"_MIF", WIDTH_1, 0}},
+ {{"_MIN", WIDTH_ADDRESS, 0}},
+ {{"_MOD", WIDTH_1, 0}}, /* Acpi 5.0 */
+ {{"_MTP", WIDTH_2, 0}},
+ {{"_PAR", WIDTH_8, 0}}, /* Acpi 5.0 */
+ {{"_PHA", WIDTH_1, 0}}, /* Acpi 5.0 */
+ {{"_PIN", WIDTH_16, 0}}, /* Acpi 5.0 */
+ {{"_PPI", WIDTH_8, 0}}, /* Acpi 5.0 */
+ {{"_POL", WIDTH_1 | WIDTH_2, 0}}, /* Acpi 5.0 */
+ {{"_RBO", WIDTH_8, 0}},
+ {{"_RBW", WIDTH_8, 0}},
+ {{"_RNG", WIDTH_1, 0}},
+ {{"_RT_", WIDTH_8, 0}}, /* Acpi 3.0 */
+ {{"_RW_", WIDTH_1, 0}},
+ {{"_RXL", WIDTH_16, 0}}, /* Acpi 5.0 */
+ {{"_SHR", WIDTH_2, 0}},
+ {{"_SIZ", WIDTH_2, 0}},
+ {{"_SLV", WIDTH_1, 0}}, /* Acpi 5.0 */
+ {{"_SPE", WIDTH_32, 0}}, /* Acpi 5.0 */
+ {{"_STB", WIDTH_2, 0}}, /* Acpi 5.0 */
+ {{"_TRA", WIDTH_ADDRESS, 0}},
+ {{"_TRS", WIDTH_1, 0}},
+ {{"_TSF", WIDTH_8, 0}}, /* Acpi 3.0 */
+ {{"_TTP", WIDTH_1, 0}},
+ {{"_TXL", WIDTH_16, 0}}, /* Acpi 5.0 */
+ {{"_TYP", WIDTH_2 | WIDTH_16, 0}},
+ {{"_VEN", VARIABLE_DATA, 0}}, /* Acpi 5.0 */
+ PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */
+};
+
+static const union acpi_predefined_info acpi_gbl_scope_names[] = {
+ {{"_GPE", 0, 0}},
+ {{"_PR_", 0, 0}},
+ {{"_SB_", 0, 0}},
+ {{"_SI_", 0, 0}},
+ {{"_TZ_", 0, 0}},
+ PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */
+};
+#else
+extern const union acpi_predefined_info acpi_gbl_resource_names[];
+#endif
+
+#endif
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
new file mode 100644
index 00000000000..4b008e8884a
--- /dev/null
+++ b/drivers/acpi/acpica/acresrc.h
@@ -0,0 +1,381 @@
+/******************************************************************************
+ *
+ * Name: acresrc.h - Resource Manager function prototypes
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACRESRC_H__
+#define __ACRESRC_H__
+
+/* Need the AML resource descriptor structs */
+
+#include "amlresrc.h"
+
+/*
+ * If possible, pack the following structures to byte alignment, since we
+ * don't care about performance for debug output. Two cases where we cannot
+ * pack the structures:
+ *
+ * 1) Hardware does not support misaligned memory transfers
+ * 2) Compiler does not support pointers within packed structures
+ */
+#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
+#pragma pack(1)
+#endif
+
+/*
+ * Individual entry for the resource conversion tables
+ */
+typedef const struct acpi_rsconvert_info {
+ u8 opcode;
+ u8 resource_offset;
+ u8 aml_offset;
+ u8 value;
+
+} acpi_rsconvert_info;
+
+/* Resource conversion opcodes */
+
+typedef enum {
+ ACPI_RSC_INITGET = 0,
+ ACPI_RSC_INITSET,
+ ACPI_RSC_FLAGINIT,
+ ACPI_RSC_1BITFLAG,
+ ACPI_RSC_2BITFLAG,
+ ACPI_RSC_3BITFLAG,
+ ACPI_RSC_ADDRESS,
+ ACPI_RSC_BITMASK,
+ ACPI_RSC_BITMASK16,
+ ACPI_RSC_COUNT,
+ ACPI_RSC_COUNT16,
+ ACPI_RSC_COUNT_GPIO_PIN,
+ ACPI_RSC_COUNT_GPIO_RES,
+ ACPI_RSC_COUNT_GPIO_VEN,
+ ACPI_RSC_COUNT_SERIAL_RES,
+ ACPI_RSC_COUNT_SERIAL_VEN,
+ ACPI_RSC_DATA8,
+ ACPI_RSC_EXIT_EQ,
+ ACPI_RSC_EXIT_LE,
+ ACPI_RSC_EXIT_NE,
+ ACPI_RSC_LENGTH,
+ ACPI_RSC_MOVE_GPIO_PIN,
+ ACPI_RSC_MOVE_GPIO_RES,
+ ACPI_RSC_MOVE_SERIAL_RES,
+ ACPI_RSC_MOVE_SERIAL_VEN,
+ ACPI_RSC_MOVE8,
+ ACPI_RSC_MOVE16,
+ ACPI_RSC_MOVE32,
+ ACPI_RSC_MOVE64,
+ ACPI_RSC_SET8,
+ ACPI_RSC_SOURCE,
+ ACPI_RSC_SOURCEX
+} ACPI_RSCONVERT_OPCODES;
+
+/* Resource Conversion sub-opcodes */
+
+#define ACPI_RSC_COMPARE_AML_LENGTH 0
+#define ACPI_RSC_COMPARE_VALUE 1
+
+#define ACPI_RSC_TABLE_SIZE(d) (sizeof (d) / sizeof (struct acpi_rsconvert_info))
+
+#define ACPI_RS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_resource,f)
+#define AML_OFFSET(f) (u8) ACPI_OFFSET (union aml_resource,f)
+
+/*
+ * Individual entry for the resource dump tables
+ */
+typedef const struct acpi_rsdump_info {
+ u8 opcode;
+ u8 offset;
+ char *name;
+ const char **pointer;
+
+} acpi_rsdump_info;
+
+/* Values for the Opcode field above */
+
+typedef enum {
+ ACPI_RSD_TITLE = 0,
+ ACPI_RSD_1BITFLAG,
+ ACPI_RSD_2BITFLAG,
+ ACPI_RSD_3BITFLAG,
+ ACPI_RSD_ADDRESS,
+ ACPI_RSD_DWORDLIST,
+ ACPI_RSD_LITERAL,
+ ACPI_RSD_LONGLIST,
+ ACPI_RSD_SHORTLIST,
+ ACPI_RSD_SHORTLISTX,
+ ACPI_RSD_SOURCE,
+ ACPI_RSD_STRING,
+ ACPI_RSD_UINT8,
+ ACPI_RSD_UINT16,
+ ACPI_RSD_UINT32,
+ ACPI_RSD_UINT64,
+ ACPI_RSD_WORDLIST
+} ACPI_RSDUMP_OPCODES;
+
+/* restore default alignment */
+
+#pragma pack()
+
+/* Resource tables indexed by internal resource type */
+
+extern const u8 acpi_gbl_aml_resource_sizes[];
+extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
+extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
+
+/* Resource tables indexed by raw AML resource descriptor type */
+
+extern const u8 acpi_gbl_resource_struct_sizes[];
+extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
+extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
+
+extern struct acpi_rsconvert_info
+ *acpi_gbl_convert_resource_serial_bus_dispatch[];
+
+struct acpi_vendor_walk_info {
+ struct acpi_vendor_uuid *uuid;
+ struct acpi_buffer *buffer;
+ acpi_status status;
+};
+
+/*
+ * rscreate
+ */
+acpi_status
+acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
+ struct acpi_buffer *output_buffer);
+
+acpi_status
+acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
+ struct acpi_buffer *output_buffer);
+
+acpi_status
+acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
+ struct acpi_buffer *output_buffer);
+
+/*
+ * rsutils
+ */
+
+acpi_status
+acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_rs_get_method_data(acpi_handle handle,
+ char *path, struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
+ struct acpi_buffer *ret_buffer);
+
+/*
+ * rscalc
+ */
+acpi_status
+acpi_rs_get_list_length(u8 * aml_buffer,
+ u32 aml_buffer_length, acpi_size * size_needed);
+
+acpi_status
+acpi_rs_get_aml_length(struct acpi_resource *resource_list,
+ acpi_size resource_list_size, acpi_size * size_needed);
+
+acpi_status
+acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
+ acpi_size * buffer_size_needed);
+
+acpi_status
+acpi_rs_convert_aml_to_resources(u8 * aml,
+ u32 length,
+ u32 offset, u8 resource_index, void **context);
+
+acpi_status
+acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
+ acpi_size aml_size_needed, u8 * output_buffer);
+
+/*
+ * rsaddr
+ */
+void
+acpi_rs_set_address_common(union aml_resource *aml,
+ struct acpi_resource *resource);
+
+u8
+acpi_rs_get_address_common(struct acpi_resource *resource,
+ union aml_resource *aml);
+
+/*
+ * rsmisc
+ */
+acpi_status
+acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
+ union aml_resource *aml,
+ struct acpi_rsconvert_info *info);
+
+acpi_status
+acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
+ union aml_resource *aml,
+ struct acpi_rsconvert_info *info);
+
+/*
+ * rsutils
+ */
+void
+acpi_rs_move_data(void *destination,
+ void *source, u16 item_count, u8 move_type);
+
+u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
+
+u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
+
+acpi_rs_length
+acpi_rs_get_resource_source(acpi_rs_length resource_length,
+ acpi_rs_length minimum_length,
+ struct acpi_resource_source *resource_source,
+ union aml_resource *aml, char *string_ptr);
+
+acpi_rsdesc_size
+acpi_rs_set_resource_source(union aml_resource *aml,
+ acpi_rs_length minimum_length,
+ struct acpi_resource_source *resource_source);
+
+void
+acpi_rs_set_resource_header(u8 descriptor_type,
+ acpi_rsdesc_size total_length,
+ union aml_resource *aml);
+
+void
+acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
+ union aml_resource *aml);
+
+/*
+ * rsdump
+ */
+void acpi_rs_dump_resource_list(struct acpi_resource *resource);
+
+void acpi_rs_dump_irq_list(u8 * route_table);
+
+/*
+ * Resource conversion tables
+ */
+extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
+extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
+extern struct acpi_rsconvert_info acpi_rs_convert_io[];
+extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
+extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
+extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
+extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
+extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
+extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
+extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
+extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
+extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
+extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
+extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
+extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
+extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
+extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
+extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
+extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
+
+/* These resources require separate get/set tables */
+
+extern struct acpi_rsconvert_info acpi_rs_get_irq[];
+extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
+extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
+extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
+
+extern struct acpi_rsconvert_info acpi_rs_set_irq[];
+extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
+extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+/*
+ * rsinfo
+ */
+extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
+extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
+
+/*
+ * rsdumpinfo
+ */
+extern struct acpi_rsdump_info acpi_rs_dump_irq[];
+extern struct acpi_rsdump_info acpi_rs_dump_prt[];
+extern struct acpi_rsdump_info acpi_rs_dump_dma[];
+extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
+extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
+extern struct acpi_rsdump_info acpi_rs_dump_io[];
+extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
+extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
+extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
+extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
+extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
+extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
+extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
+extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
+extern struct acpi_rsdump_info acpi_rs_dump_address16[];
+extern struct acpi_rsdump_info acpi_rs_dump_address32[];
+extern struct acpi_rsdump_info acpi_rs_dump_address64[];
+extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
+extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
+extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
+extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
+extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
+extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
+#endif
+
+#endif /* __ACRESRC_H__ */
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
new file mode 100644
index 00000000000..cf7346110bd
--- /dev/null
+++ b/drivers/acpi/acpica/acstruct.h
@@ -0,0 +1,247 @@
+/******************************************************************************
+ *
+ * Name: acstruct.h - Internal structs
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACSTRUCT_H__
+#define __ACSTRUCT_H__
+
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
+/*****************************************************************************
+ *
+ * Tree walking typedefs and structs
+ *
+ ****************************************************************************/
+
+/*
+ * Walk state - current state of a parse tree walk. Used for both a leisurely
+ * stroll through the tree (for whatever reason), and for control method
+ * execution.
+ */
+#define ACPI_NEXT_OP_DOWNWARD 1
+#define ACPI_NEXT_OP_UPWARD 2
+
+/*
+ * Groups of definitions for walk_type used for different implementations of
+ * walkers (never simultaneously) - flags for interpreter:
+ */
+#define ACPI_WALK_NON_METHOD 0
+#define ACPI_WALK_METHOD 0x01
+#define ACPI_WALK_METHOD_RESTART 0x02
+
+/* Flags for iASL compiler only */
+
+#define ACPI_WALK_CONST_REQUIRED 0x10
+#define ACPI_WALK_CONST_OPTIONAL 0x20
+
+struct acpi_walk_state {
+ struct acpi_walk_state *next; /* Next walk_state in list */
+ u8 descriptor_type; /* To differentiate various internal objs */
+ u8 walk_type;
+ u16 opcode; /* Current AML opcode */
+ u8 next_op_info; /* Info about next_op */
+ u8 num_operands; /* Stack pointer for Operands[] array */
+ u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */
+ acpi_owner_id owner_id; /* Owner of objects created during the walk */
+ u8 last_predicate; /* Result of last predicate */
+ u8 current_result;
+ u8 return_used;
+ u8 scope_depth;
+ u8 pass_number; /* Parse pass during table load */
+ u8 result_size; /* Total elements for the result stack */
+ u8 result_count; /* Current number of occupied elements of result stack */
+ u32 aml_offset;
+ u32 arg_types;
+ u32 method_breakpoint; /* For single stepping */
+ u32 user_breakpoint; /* User AML breakpoint */
+ u32 parse_flags;
+
+ struct acpi_parse_state parser_state; /* Current state of parser */
+ u32 prev_arg_types;
+ u32 arg_count; /* push for fixed or var args */
+
+ struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
+ struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
+ union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
+ union acpi_operand_object **params;
+
+ u8 *aml_last_while;
+ union acpi_operand_object **caller_return_desc;
+ union acpi_generic_state *control_state; /* List of control states (nested IFs) */
+ struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */
+ union acpi_operand_object *implicit_return_obj;
+ struct acpi_namespace_node *method_call_node; /* Called method Node */
+ union acpi_parse_object *method_call_op; /* method_call Op if running a method */
+ union acpi_operand_object *method_desc; /* Method descriptor if running a method */
+ struct acpi_namespace_node *method_node; /* Method node if running a method. */
+ union acpi_parse_object *op; /* Current parser op */
+ const struct acpi_opcode_info *op_info; /* Info on current opcode */
+ union acpi_parse_object *origin; /* Start of walk [Obsolete] */
+ union acpi_operand_object *result_obj;
+ union acpi_generic_state *results; /* Stack of accumulated results */
+ union acpi_operand_object *return_desc; /* Return object, if any */
+ union acpi_generic_state *scope_info; /* Stack of nested scopes */
+ union acpi_parse_object *prev_op; /* Last op that was processed */
+ union acpi_parse_object *next_op; /* next op to be processed */
+ struct acpi_thread_state *thread;
+ acpi_parse_downwards descending_callback;
+ acpi_parse_upwards ascending_callback;
+};
+
+/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
+
+struct acpi_init_walk_info {
+ u32 table_index;
+ u32 object_count;
+ u32 method_count;
+ u32 serial_method_count;
+ u32 non_serial_method_count;
+ u32 serialized_method_count;
+ u32 device_count;
+ u32 op_region_count;
+ u32 field_count;
+ u32 buffer_count;
+ u32 package_count;
+ u32 op_region_init;
+ u32 field_init;
+ u32 buffer_init;
+ u32 package_init;
+ acpi_owner_id owner_id;
+};
+
+struct acpi_get_devices_info {
+ acpi_walk_callback user_function;
+ void *context;
+ const char *hid;
+};
+
+union acpi_aml_operands {
+ union acpi_operand_object *operands[7];
+
+ struct {
+ struct acpi_object_integer *type;
+ struct acpi_object_integer *code;
+ struct acpi_object_integer *argument;
+
+ } fatal;
+
+ struct {
+ union acpi_operand_object *source;
+ struct acpi_object_integer *index;
+ union acpi_operand_object *target;
+
+ } index;
+
+ struct {
+ union acpi_operand_object *source;
+ struct acpi_object_integer *index;
+ struct acpi_object_integer *length;
+ union acpi_operand_object *target;
+
+ } mid;
+};
+
+/*
+ * Structure used to pass object evaluation information and parameters.
+ * Purpose is to reduce CPU stack use.
+ */
+struct acpi_evaluate_info {
+ /* The first 3 elements are passed by the caller to acpi_ns_evaluate */
+
+ struct acpi_namespace_node *prefix_node; /* Input: starting node */
+ char *relative_pathname; /* Input: path relative to prefix_node */
+ union acpi_operand_object **parameters; /* Input: argument list */
+
+ struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */
+ union acpi_operand_object *obj_desc; /* Object attached to the resolved node */
+ char *full_pathname; /* Full pathname of the resolved node */
+
+ const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */
+ union acpi_operand_object *return_object; /* Object returned from the evaluation */
+ union acpi_operand_object *parent_package; /* Used if return object is a Package */
+
+ u32 return_flags; /* Used for return value analysis */
+ u32 return_btype; /* Bitmapped type of the returned object */
+ u16 param_count; /* Count of the input argument list */
+ u8 pass_number; /* Parser pass number */
+ u8 return_object_type; /* Object type of the returned object */
+ u8 node_flags; /* Same as Node->Flags */
+ u8 flags; /* General flags */
+};
+
+/* Values for Flags above */
+
+#define ACPI_IGNORE_RETURN_VALUE 1
+
+/* Defines for return_flags field above */
+
+#define ACPI_OBJECT_REPAIRED 1
+#define ACPI_OBJECT_WRAPPED 2
+
+/* Info used by acpi_ns_initialize_devices */
+
+struct acpi_device_walk_info {
+ struct acpi_table_desc *table_desc;
+ struct acpi_evaluate_info *evaluate_info;
+ u32 device_count;
+ u32 num_STA;
+ u32 num_INI;
+};
+
+/* TBD: [Restructure] Merge with struct above */
+
+struct acpi_walk_info {
+ u32 debug_level;
+ u32 count;
+ acpi_owner_id owner_id;
+ u8 display_type;
+};
+
+/* Display Types */
+
+#define ACPI_DISPLAY_SUMMARY (u8) 0
+#define ACPI_DISPLAY_OBJECTS (u8) 1
+#define ACPI_DISPLAY_MASK (u8) 1
+
+#define ACPI_DISPLAY_SHORT (u8) 2
+
+#endif
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
new file mode 100644
index 00000000000..f14882788ee
--- /dev/null
+++ b/drivers/acpi/acpica/actables.h
@@ -0,0 +1,168 @@
+/******************************************************************************
+ *
+ * Name: actables.h - ACPI table management
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACTABLES_H__
+#define __ACTABLES_H__
+
+acpi_status acpi_allocate_root_table(u32 initial_table_count);
+
+/*
+ * tbxfroot - Root pointer utilities
+ */
+acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
+
+u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
+
+/*
+ * tbdata - table data structure management
+ */
+acpi_status acpi_tb_get_next_root_index(u32 *table_index);
+
+void
+acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
+ acpi_physical_address address,
+ u8 flags, struct acpi_table_header *table);
+
+acpi_status
+acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
+ acpi_physical_address address, u8 flags);
+
+void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
+
+acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
+
+acpi_status
+acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature);
+
+u8 acpi_tb_is_table_loaded(u32 table_index);
+
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
+
+/*
+ * tbfadt - FADT parse/convert/validate
+ */
+void acpi_tb_parse_fadt(u32 table_index);
+
+void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
+
+/*
+ * tbfind - find ACPI table
+ */
+acpi_status
+acpi_tb_find_table(char *signature,
+ char *oem_id, char *oem_table_id, u32 *table_index);
+
+/*
+ * tbinstal - Table removal and deletion
+ */
+acpi_status acpi_tb_resize_root_table_list(void);
+
+acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc);
+
+void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
+
+void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
+
+acpi_status
+acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
+ struct acpi_table_header **table_ptr,
+ u32 *table_length, u8 *table_flags);
+
+void
+acpi_tb_release_table(struct acpi_table_header *table,
+ u32 table_length, u8 table_flags);
+
+acpi_status
+acpi_tb_install_standard_table(acpi_physical_address address,
+ u8 flags,
+ u8 reload, u8 override, u32 *table_index);
+
+acpi_status
+acpi_tb_store_table(acpi_physical_address address,
+ struct acpi_table_header *table,
+ u32 length, u8 flags, u32 *table_index);
+
+void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc);
+
+void acpi_tb_terminate(void);
+
+acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
+
+acpi_status acpi_tb_allocate_owner_id(u32 table_index);
+
+acpi_status acpi_tb_release_owner_id(u32 table_index);
+
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
+
+/*
+ * tbutils - table manager utilities
+ */
+acpi_status acpi_tb_initialize_facs(void);
+
+u8 acpi_tb_tables_loaded(void);
+
+void
+acpi_tb_print_table_header(acpi_physical_address address,
+ struct acpi_table_header *header);
+
+u8 acpi_tb_checksum(u8 *buffer, u32 length);
+
+acpi_status
+acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
+
+void acpi_tb_check_dsdt_header(void);
+
+struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
+
+void
+acpi_tb_install_table_with_override(u32 table_index,
+ struct acpi_table_desc *new_table_desc,
+ u8 override);
+
+acpi_status
+acpi_tb_install_fixed_table(acpi_physical_address address,
+ char *signature, u32 table_index);
+
+acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
+
+#endif /* __ACTABLES_H__ */
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
new file mode 100644
index 00000000000..1e256c5bda2
--- /dev/null
+++ b/drivers/acpi/acpica/acutils.h
@@ -0,0 +1,746 @@
+/******************************************************************************
+ *
+ * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _ACUTILS_H
+#define _ACUTILS_H
+
+extern const u8 acpi_gbl_resource_aml_sizes[];
+extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
+
+/* Strings used by the disassembler and debugger resource dump routines */
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
+
+extern const char *acpi_gbl_bm_decode[];
+extern const char *acpi_gbl_config_decode[];
+extern const char *acpi_gbl_consume_decode[];
+extern const char *acpi_gbl_dec_decode[];
+extern const char *acpi_gbl_he_decode[];
+extern const char *acpi_gbl_io_decode[];
+extern const char *acpi_gbl_ll_decode[];
+extern const char *acpi_gbl_max_decode[];
+extern const char *acpi_gbl_mem_decode[];
+extern const char *acpi_gbl_min_decode[];
+extern const char *acpi_gbl_mtp_decode[];
+extern const char *acpi_gbl_rng_decode[];
+extern const char *acpi_gbl_rw_decode[];
+extern const char *acpi_gbl_shr_decode[];
+extern const char *acpi_gbl_siz_decode[];
+extern const char *acpi_gbl_trs_decode[];
+extern const char *acpi_gbl_ttp_decode[];
+extern const char *acpi_gbl_typ_decode[];
+extern const char *acpi_gbl_ppc_decode[];
+extern const char *acpi_gbl_ior_decode[];
+extern const char *acpi_gbl_dts_decode[];
+extern const char *acpi_gbl_ct_decode[];
+extern const char *acpi_gbl_sbt_decode[];
+extern const char *acpi_gbl_am_decode[];
+extern const char *acpi_gbl_sm_decode[];
+extern const char *acpi_gbl_wm_decode[];
+extern const char *acpi_gbl_cph_decode[];
+extern const char *acpi_gbl_cpo_decode[];
+extern const char *acpi_gbl_dp_decode[];
+extern const char *acpi_gbl_ed_decode[];
+extern const char *acpi_gbl_bpb_decode[];
+extern const char *acpi_gbl_sb_decode[];
+extern const char *acpi_gbl_fc_decode[];
+extern const char *acpi_gbl_pt_decode[];
+#endif
+
+/*
+ * For the iASL compiler case, the output is redirected to stderr so that
+ * any of the various ACPI errors and warnings do not appear in the output
+ * files, for either the compiler or disassembler portions of the tool.
+ */
+#ifdef ACPI_ASL_COMPILER
+
+#include <stdio.h>
+extern FILE *acpi_gbl_output_file;
+
+#define ACPI_MSG_REDIRECT_BEGIN \
+ FILE *output_file = acpi_gbl_output_file; \
+ acpi_os_redirect_output (stderr);
+
+#define ACPI_MSG_REDIRECT_END \
+ acpi_os_redirect_output (output_file);
+
+#else
+/*
+ * non-iASL case - no redirection, nothing to do
+ */
+#define ACPI_MSG_REDIRECT_BEGIN
+#define ACPI_MSG_REDIRECT_END
+#endif
+
+/*
+ * Common error message prefixes
+ */
+#define ACPI_MSG_ERROR "ACPI Error: "
+#define ACPI_MSG_EXCEPTION "ACPI Exception: "
+#define ACPI_MSG_WARNING "ACPI Warning: "
+#define ACPI_MSG_INFO "ACPI: "
+
+#define ACPI_MSG_BIOS_ERROR "ACPI BIOS Error (bug): "
+#define ACPI_MSG_BIOS_WARNING "ACPI BIOS Warning (bug): "
+
+/*
+ * Common message suffix
+ */
+#define ACPI_MSG_SUFFIX \
+ acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
+
+/* Types for Resource descriptor entries */
+
+#define ACPI_INVALID_RESOURCE 0
+#define ACPI_FIXED_LENGTH 1
+#define ACPI_VARIABLE_LENGTH 2
+#define ACPI_SMALL_VARIABLE_LENGTH 3
+
+typedef
+acpi_status(*acpi_walk_aml_callback) (u8 *aml,
+ u32 length,
+ u32 offset,
+ u8 resource_index, void **context);
+
+typedef
+acpi_status(*acpi_pkg_callback) (u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state * state,
+ void *context);
+
+struct acpi_pkg_info {
+ u8 *free_space;
+ acpi_size length;
+ u32 object_space;
+ u32 num_packages;
+};
+
+/* Object reference counts */
+
+#define REF_INCREMENT (u16) 0
+#define REF_DECREMENT (u16) 1
+
+/* acpi_ut_dump_buffer */
+
+#define DB_BYTE_DISPLAY 1
+#define DB_WORD_DISPLAY 2
+#define DB_DWORD_DISPLAY 4
+#define DB_QWORD_DISPLAY 8
+
+/*
+ * utglobal - Global data structures and procedures
+ */
+acpi_status acpi_ut_init_globals(void);
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+char *acpi_ut_get_mutex_name(u32 mutex_id);
+
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
+#endif
+
+char *acpi_ut_get_type_name(acpi_object_type type);
+
+char *acpi_ut_get_node_name(void *object);
+
+char *acpi_ut_get_descriptor_name(void *object);
+
+const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
+
+char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
+
+char *acpi_ut_get_region_name(u8 space_id);
+
+char *acpi_ut_get_event_name(u32 event_id);
+
+char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
+
+u8 acpi_ut_valid_object_type(acpi_object_type type);
+
+/*
+ * utinit - miscellaneous initialization and shutdown
+ */
+acpi_status acpi_ut_hardware_initialize(void);
+
+void acpi_ut_subsystem_shutdown(void);
+
+/*
+ * utclib - Local implementations of C library functions
+ */
+#ifndef ACPI_USE_SYSTEM_CLIBRARY
+
+acpi_size acpi_ut_strlen(const char *string);
+
+char *acpi_ut_strcpy(char *dst_string, const char *src_string);
+
+char *acpi_ut_strncpy(char *dst_string,
+ const char *src_string, acpi_size count);
+
+int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
+
+int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
+
+int acpi_ut_strcmp(const char *string1, const char *string2);
+
+char *acpi_ut_strcat(char *dst_string, const char *src_string);
+
+char *acpi_ut_strncat(char *dst_string,
+ const char *src_string, acpi_size count);
+
+u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
+
+char *acpi_ut_strstr(char *string1, char *string2);
+
+void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
+
+void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
+
+int acpi_ut_to_upper(int c);
+
+int acpi_ut_to_lower(int c);
+
+extern const u8 _acpi_ctype[];
+
+#define _ACPI_XA 0x00 /* extra alphabetic - not supported */
+#define _ACPI_XS 0x40 /* extra space */
+#define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
+#define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
+#define _ACPI_DI 0x04 /* '0'-'9' */
+#define _ACPI_LO 0x02 /* 'a'-'z' */
+#define _ACPI_PU 0x10 /* punctuation */
+#define _ACPI_SP 0x08 /* space */
+#define _ACPI_UP 0x01 /* 'A'-'Z' */
+#define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
+
+#define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
+#define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
+#define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
+#define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
+#define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
+#define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
+#define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
+
+#endif /* !ACPI_USE_SYSTEM_CLIBRARY */
+
+#define ACPI_IS_ASCII(c) ((c) < 0x80)
+
+/*
+ * utcopy - Object construction and conversion interfaces
+ */
+acpi_status
+acpi_ut_build_simple_object(union acpi_operand_object *obj,
+ union acpi_object *user_obj,
+ u8 *data_space, u32 *buffer_space_used);
+
+acpi_status
+acpi_ut_build_package_object(union acpi_operand_object *obj,
+ u8 *buffer, u32 *space_used);
+
+acpi_status
+acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
+ union acpi_operand_object **internal_obj);
+
+acpi_status
+acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
+ union acpi_operand_object *dest_obj);
+
+acpi_status
+acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
+ union acpi_operand_object **dest_desc,
+ struct acpi_walk_state *walk_state);
+
+/*
+ * utcreate - Object creation
+ */
+acpi_status
+acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
+
+/*
+ * utdebug - Debug interfaces
+ */
+void acpi_ut_init_stack_ptr_trace(void);
+
+void acpi_ut_track_stack_ptr(void);
+
+void
+acpi_ut_trace(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id);
+
+void
+acpi_ut_trace_ptr(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, void *pointer);
+
+void
+acpi_ut_trace_u32(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, u32 integer);
+
+void
+acpi_ut_trace_str(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, char *string);
+
+void
+acpi_ut_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id);
+
+void
+acpi_ut_status_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name,
+ u32 component_id, acpi_status status);
+
+void
+acpi_ut_value_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, u64 value);
+
+void
+acpi_ut_ptr_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, u8 *ptr);
+
+void
+acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
+
+void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
+
+void acpi_ut_report_error(char *module_name, u32 line_number);
+
+void acpi_ut_report_info(char *module_name, u32 line_number);
+
+void acpi_ut_report_warning(char *module_name, u32 line_number);
+
+/*
+ * utdelete - Object deletion and reference counts
+ */
+void acpi_ut_add_reference(union acpi_operand_object *object);
+
+void acpi_ut_remove_reference(union acpi_operand_object *object);
+
+void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
+
+void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
+
+void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
+
+/*
+ * uteval - object evaluation
+ */
+acpi_status
+acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
+ char *path,
+ u32 expected_return_btypes,
+ union acpi_operand_object **return_desc);
+
+acpi_status
+acpi_ut_evaluate_numeric_object(char *object_name,
+ struct acpi_namespace_node *device_node,
+ u64 *value);
+
+acpi_status
+acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
+
+acpi_status
+acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
+ const char **method_names,
+ u8 method_count, u8 *out_values);
+
+/*
+ * utids - device ID support
+ */
+acpi_status
+acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
+ struct acpi_pnp_device_id ** return_id);
+
+acpi_status
+acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
+ struct acpi_pnp_device_id ** return_id);
+
+acpi_status
+acpi_ut_execute_SUB(struct acpi_namespace_node *device_node,
+ struct acpi_pnp_device_id **return_id);
+
+acpi_status
+acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
+ struct acpi_pnp_device_id_list ** return_cid_list);
+
+/*
+ * utlock - reader/writer locks
+ */
+acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
+
+void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
+
+void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
+
+/*
+ * utobject - internal object create/delete/cache routines
+ */
+union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
+ *module_name,
+ u32 line_number,
+ u32 component_id,
+ acpi_object_type
+ type);
+
+void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
+ u32 line_number, u32 component_id);
+
+#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
+#define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
+
+void acpi_ut_delete_object_desc(union acpi_operand_object *object);
+
+u8 acpi_ut_valid_internal_object(void *object);
+
+union acpi_operand_object *acpi_ut_create_package_object(u32 count);
+
+union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
+
+union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
+
+union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
+
+acpi_status
+acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
+
+/*
+ * utosi - Support for the _OSI predefined control method
+ */
+acpi_status acpi_ut_initialize_interfaces(void);
+
+acpi_status acpi_ut_interface_terminate(void);
+
+acpi_status acpi_ut_install_interface(acpi_string interface_name);
+
+acpi_status acpi_ut_remove_interface(acpi_string interface_name);
+
+acpi_status acpi_ut_update_interfaces(u8 action);
+
+struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
+
+acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
+
+/*
+ * utpredef - support for predefined names
+ */
+const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
+ acpi_predefined_info
+ *this_name);
+
+const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
+
+const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
+
+void
+acpi_ut_display_predefined_method(char *buffer,
+ const union acpi_predefined_info *this_name,
+ u8 multi_line);
+
+void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
+
+u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
+
+/*
+ * utstate - Generic state creation/cache routines
+ */
+void
+acpi_ut_push_generic_state(union acpi_generic_state **list_head,
+ union acpi_generic_state *state);
+
+union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
+ **list_head);
+
+union acpi_generic_state *acpi_ut_create_generic_state(void);
+
+struct acpi_thread_state *acpi_ut_create_thread_state(void);
+
+union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
+ *object, u16 action);
+
+union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
+ void *external_object,
+ u16 index);
+
+acpi_status
+acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
+ u16 action,
+ union acpi_generic_state **state_list);
+
+#ifdef ACPI_FUTURE_USAGE
+acpi_status
+acpi_ut_create_pkg_state_and_push(void *internal_object,
+ void *external_object,
+ u16 index,
+ union acpi_generic_state **state_list);
+#endif /* ACPI_FUTURE_USAGE */
+
+union acpi_generic_state *acpi_ut_create_control_state(void);
+
+void acpi_ut_delete_generic_state(union acpi_generic_state *state);
+
+/*
+ * utmath
+ */
+acpi_status
+acpi_ut_divide(u64 in_dividend,
+ u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
+
+acpi_status
+acpi_ut_short_divide(u64 in_dividend,
+ u32 divisor, u64 *out_quotient, u32 *out_remainder);
+
+/*
+ * utmisc
+ */
+const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
+ status);
+
+u8 acpi_ut_is_pci_root_bridge(char *id);
+
+u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
+
+acpi_status
+acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
+ void *target_object,
+ acpi_pkg_callback walk_callback, void *context);
+
+/* Values for Base above (16=Hex, 10=Decimal) */
+
+#define ACPI_ANY_BASE 0
+
+u32 acpi_ut_dword_byte_swap(u32 value);
+
+void acpi_ut_set_integer_width(u8 revision);
+
+#ifdef ACPI_DEBUG_OUTPUT
+void
+acpi_ut_display_init_pathname(u8 type,
+ struct acpi_namespace_node *obj_handle,
+ char *path);
+#endif
+
+/*
+ * utownerid - Support for Table/Method Owner IDs
+ */
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
+
+void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
+
+/*
+ * utresrc
+ */
+acpi_status
+acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
+ u8 *aml,
+ acpi_size aml_length,
+ acpi_walk_aml_callback user_function,
+ void **context);
+
+acpi_status
+acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
+ void *aml, u8 *return_index);
+
+u32 acpi_ut_get_descriptor_length(void *aml);
+
+u16 acpi_ut_get_resource_length(void *aml);
+
+u8 acpi_ut_get_resource_header_length(void *aml);
+
+u8 acpi_ut_get_resource_type(void *aml);
+
+acpi_status
+acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
+
+/*
+ * utstring - String and character utilities
+ */
+void acpi_ut_strupr(char *src_string);
+
+void acpi_ut_strlwr(char *src_string);
+
+int acpi_ut_stricmp(char *string1, char *string2);
+
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
+
+void acpi_ut_print_string(char *string, u16 max_length);
+
+void ut_convert_backslashes(char *pathname);
+
+u8 acpi_ut_valid_acpi_name(char *name);
+
+u8 acpi_ut_valid_acpi_char(char character, u32 position);
+
+void acpi_ut_repair_name(char *name);
+
+#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
+u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
+
+u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
+
+u8
+acpi_ut_safe_strncat(char *dest,
+ acpi_size dest_size,
+ char *source, acpi_size max_transfer_length);
+#endif
+
+/*
+ * utmutex - mutex support
+ */
+acpi_status acpi_ut_mutex_initialize(void);
+
+void acpi_ut_mutex_terminate(void);
+
+acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
+
+acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
+
+/*
+ * utalloc - memory allocation and object caching
+ */
+acpi_status acpi_ut_create_caches(void);
+
+acpi_status acpi_ut_delete_caches(void);
+
+acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
+
+acpi_status
+acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
+ acpi_size required_length);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+void *acpi_ut_allocate_and_track(acpi_size size,
+ u32 component, const char *module, u32 line);
+
+void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
+ u32 component,
+ const char *module, u32 line);
+
+void
+acpi_ut_free_and_track(void *address,
+ u32 component, const char *module, u32 line);
+
+#ifdef ACPI_FUTURE_USAGE
+void acpi_ut_dump_allocation_info(void);
+#endif /* ACPI_FUTURE_USAGE */
+
+void acpi_ut_dump_allocations(u32 component, const char *module);
+
+acpi_status
+acpi_ut_create_list(char *list_name,
+ u16 object_size, struct acpi_memory_list **return_cache);
+
+#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
+
+/*
+ * utaddress - address range check
+ */
+acpi_status
+acpi_ut_add_address_range(acpi_adr_space_type space_id,
+ acpi_physical_address address,
+ u32 length, struct acpi_namespace_node *region_node);
+
+void
+acpi_ut_remove_address_range(acpi_adr_space_type space_id,
+ struct acpi_namespace_node *region_node);
+
+u32
+acpi_ut_check_address_range(acpi_adr_space_type space_id,
+ acpi_physical_address address, u32 length, u8 warn);
+
+void acpi_ut_delete_address_lists(void);
+
+/*
+ * utxferror - various error/warning output functions
+ */
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_warning(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_info(const char *module_name,
+ u32 line_number,
+ char *pathname, u8 node_flags, const char *format, ...);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_bios_error(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...);
+
+void
+acpi_ut_namespace_error(const char *module_name,
+ u32 line_number,
+ const char *internal_name, acpi_status lookup_status);
+
+void
+acpi_ut_method_error(const char *module_name,
+ u32 line_number,
+ const char *message,
+ struct acpi_namespace_node *node,
+ const char *path, acpi_status lookup_status);
+
+/*
+ * Utility functions for ACPI names and IDs
+ */
+const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
+
+const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
+
+#endif /* _ACUTILS_H */
diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h
new file mode 100644
index 00000000000..5908ccec6ae
--- /dev/null
+++ b/drivers/acpi/acpica/amlcode.h
@@ -0,0 +1,487 @@
+/******************************************************************************
+ *
+ * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
+ * Declarations and definitions contained herein are derived
+ * directly from the ACPI specification.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __AMLCODE_H__
+#define __AMLCODE_H__
+
+/* primary opcodes */
+
+#define AML_NULL_CHAR (u16) 0x00
+
+#define AML_ZERO_OP (u16) 0x00
+#define AML_ONE_OP (u16) 0x01
+#define AML_UNASSIGNED (u16) 0x02
+#define AML_ALIAS_OP (u16) 0x06
+#define AML_NAME_OP (u16) 0x08
+#define AML_BYTE_OP (u16) 0x0a
+#define AML_WORD_OP (u16) 0x0b
+#define AML_DWORD_OP (u16) 0x0c
+#define AML_STRING_OP (u16) 0x0d
+#define AML_QWORD_OP (u16) 0x0e /* ACPI 2.0 */
+#define AML_SCOPE_OP (u16) 0x10
+#define AML_BUFFER_OP (u16) 0x11
+#define AML_PACKAGE_OP (u16) 0x12
+#define AML_VAR_PACKAGE_OP (u16) 0x13 /* ACPI 2.0 */
+#define AML_METHOD_OP (u16) 0x14
+#define AML_DUAL_NAME_PREFIX (u16) 0x2e
+#define AML_MULTI_NAME_PREFIX_OP (u16) 0x2f
+#define AML_NAME_CHAR_SUBSEQ (u16) 0x30
+#define AML_NAME_CHAR_FIRST (u16) 0x41
+#define AML_EXTENDED_OP_PREFIX (u16) 0x5b
+#define AML_ROOT_PREFIX (u16) 0x5c
+#define AML_PARENT_PREFIX (u16) 0x5e
+#define AML_LOCAL_OP (u16) 0x60
+#define AML_LOCAL0 (u16) 0x60
+#define AML_LOCAL1 (u16) 0x61
+#define AML_LOCAL2 (u16) 0x62
+#define AML_LOCAL3 (u16) 0x63
+#define AML_LOCAL4 (u16) 0x64
+#define AML_LOCAL5 (u16) 0x65
+#define AML_LOCAL6 (u16) 0x66
+#define AML_LOCAL7 (u16) 0x67
+#define AML_ARG_OP (u16) 0x68
+#define AML_ARG0 (u16) 0x68
+#define AML_ARG1 (u16) 0x69
+#define AML_ARG2 (u16) 0x6a
+#define AML_ARG3 (u16) 0x6b
+#define AML_ARG4 (u16) 0x6c
+#define AML_ARG5 (u16) 0x6d
+#define AML_ARG6 (u16) 0x6e
+#define AML_STORE_OP (u16) 0x70
+#define AML_REF_OF_OP (u16) 0x71
+#define AML_ADD_OP (u16) 0x72
+#define AML_CONCAT_OP (u16) 0x73
+#define AML_SUBTRACT_OP (u16) 0x74
+#define AML_INCREMENT_OP (u16) 0x75
+#define AML_DECREMENT_OP (u16) 0x76
+#define AML_MULTIPLY_OP (u16) 0x77
+#define AML_DIVIDE_OP (u16) 0x78
+#define AML_SHIFT_LEFT_OP (u16) 0x79
+#define AML_SHIFT_RIGHT_OP (u16) 0x7a
+#define AML_BIT_AND_OP (u16) 0x7b
+#define AML_BIT_NAND_OP (u16) 0x7c
+#define AML_BIT_OR_OP (u16) 0x7d
+#define AML_BIT_NOR_OP (u16) 0x7e
+#define AML_BIT_XOR_OP (u16) 0x7f
+#define AML_BIT_NOT_OP (u16) 0x80
+#define AML_FIND_SET_LEFT_BIT_OP (u16) 0x81
+#define AML_FIND_SET_RIGHT_BIT_OP (u16) 0x82
+#define AML_DEREF_OF_OP (u16) 0x83
+#define AML_CONCAT_RES_OP (u16) 0x84 /* ACPI 2.0 */
+#define AML_MOD_OP (u16) 0x85 /* ACPI 2.0 */
+#define AML_NOTIFY_OP (u16) 0x86
+#define AML_SIZE_OF_OP (u16) 0x87
+#define AML_INDEX_OP (u16) 0x88
+#define AML_MATCH_OP (u16) 0x89
+#define AML_CREATE_DWORD_FIELD_OP (u16) 0x8a
+#define AML_CREATE_WORD_FIELD_OP (u16) 0x8b
+#define AML_CREATE_BYTE_FIELD_OP (u16) 0x8c
+#define AML_CREATE_BIT_FIELD_OP (u16) 0x8d
+#define AML_TYPE_OP (u16) 0x8e
+#define AML_CREATE_QWORD_FIELD_OP (u16) 0x8f /* ACPI 2.0 */
+#define AML_LAND_OP (u16) 0x90
+#define AML_LOR_OP (u16) 0x91
+#define AML_LNOT_OP (u16) 0x92
+#define AML_LEQUAL_OP (u16) 0x93
+#define AML_LGREATER_OP (u16) 0x94
+#define AML_LLESS_OP (u16) 0x95
+#define AML_TO_BUFFER_OP (u16) 0x96 /* ACPI 2.0 */
+#define AML_TO_DECSTRING_OP (u16) 0x97 /* ACPI 2.0 */
+#define AML_TO_HEXSTRING_OP (u16) 0x98 /* ACPI 2.0 */
+#define AML_TO_INTEGER_OP (u16) 0x99 /* ACPI 2.0 */
+#define AML_TO_STRING_OP (u16) 0x9c /* ACPI 2.0 */
+#define AML_COPY_OP (u16) 0x9d /* ACPI 2.0 */
+#define AML_MID_OP (u16) 0x9e /* ACPI 2.0 */
+#define AML_CONTINUE_OP (u16) 0x9f /* ACPI 2.0 */
+#define AML_IF_OP (u16) 0xa0
+#define AML_ELSE_OP (u16) 0xa1
+#define AML_WHILE_OP (u16) 0xa2
+#define AML_NOOP_OP (u16) 0xa3
+#define AML_RETURN_OP (u16) 0xa4
+#define AML_BREAK_OP (u16) 0xa5
+#define AML_BREAK_POINT_OP (u16) 0xcc
+#define AML_ONES_OP (u16) 0xff
+
+/* prefixed opcodes */
+
+#define AML_EXTENDED_OPCODE (u16) 0x5b00 /* prefix for 2-byte opcodes */
+
+#define AML_MUTEX_OP (u16) 0x5b01
+#define AML_EVENT_OP (u16) 0x5b02
+#define AML_SHIFT_RIGHT_BIT_OP (u16) 0x5b10
+#define AML_SHIFT_LEFT_BIT_OP (u16) 0x5b11
+#define AML_COND_REF_OF_OP (u16) 0x5b12
+#define AML_CREATE_FIELD_OP (u16) 0x5b13
+#define AML_LOAD_TABLE_OP (u16) 0x5b1f /* ACPI 2.0 */
+#define AML_LOAD_OP (u16) 0x5b20
+#define AML_STALL_OP (u16) 0x5b21
+#define AML_SLEEP_OP (u16) 0x5b22
+#define AML_ACQUIRE_OP (u16) 0x5b23
+#define AML_SIGNAL_OP (u16) 0x5b24
+#define AML_WAIT_OP (u16) 0x5b25
+#define AML_RESET_OP (u16) 0x5b26
+#define AML_RELEASE_OP (u16) 0x5b27
+#define AML_FROM_BCD_OP (u16) 0x5b28
+#define AML_TO_BCD_OP (u16) 0x5b29
+#define AML_UNLOAD_OP (u16) 0x5b2a
+#define AML_REVISION_OP (u16) 0x5b30
+#define AML_DEBUG_OP (u16) 0x5b31
+#define AML_FATAL_OP (u16) 0x5b32
+#define AML_TIMER_OP (u16) 0x5b33 /* ACPI 3.0 */
+#define AML_REGION_OP (u16) 0x5b80
+#define AML_FIELD_OP (u16) 0x5b81
+#define AML_DEVICE_OP (u16) 0x5b82
+#define AML_PROCESSOR_OP (u16) 0x5b83
+#define AML_POWER_RES_OP (u16) 0x5b84
+#define AML_THERMAL_ZONE_OP (u16) 0x5b85
+#define AML_INDEX_FIELD_OP (u16) 0x5b86
+#define AML_BANK_FIELD_OP (u16) 0x5b87
+#define AML_DATA_REGION_OP (u16) 0x5b88 /* ACPI 2.0 */
+
+/*
+ * Combination opcodes (actually two one-byte opcodes)
+ * Used by the disassembler and iASL compiler
+ */
+#define AML_LGREATEREQUAL_OP (u16) 0x9295
+#define AML_LLESSEQUAL_OP (u16) 0x9294
+#define AML_LNOTEQUAL_OP (u16) 0x9293
+
+/*
+ * Opcodes for "Field" operators
+ */
+#define AML_FIELD_OFFSET_OP (u8) 0x00
+#define AML_FIELD_ACCESS_OP (u8) 0x01
+#define AML_FIELD_CONNECTION_OP (u8) 0x02 /* ACPI 5.0 */
+#define AML_FIELD_EXT_ACCESS_OP (u8) 0x03 /* ACPI 5.0 */
+
+/*
+ * Internal opcodes
+ * Use only "Unknown" AML opcodes, don't attempt to use
+ * any valid ACPI ASCII values (A-Z, 0-9, '-')
+ */
+#define AML_INT_NAMEPATH_OP (u16) 0x002d
+#define AML_INT_NAMEDFIELD_OP (u16) 0x0030
+#define AML_INT_RESERVEDFIELD_OP (u16) 0x0031
+#define AML_INT_ACCESSFIELD_OP (u16) 0x0032
+#define AML_INT_BYTELIST_OP (u16) 0x0033
+#define AML_INT_STATICSTRING_OP (u16) 0x0034
+#define AML_INT_METHODCALL_OP (u16) 0x0035
+#define AML_INT_RETURN_VALUE_OP (u16) 0x0036
+#define AML_INT_EVAL_SUBTREE_OP (u16) 0x0037
+#define AML_INT_CONNECTION_OP (u16) 0x0038
+#define AML_INT_EXTACCESSFIELD_OP (u16) 0x0039
+
+#define ARG_NONE 0x0
+
+/*
+ * Argument types for the AML Parser
+ * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
+ * There can be up to 31 unique argument types
+ * Zero is reserved as end-of-list indicator
+ */
+#define ARGP_BYTEDATA 0x01
+#define ARGP_BYTELIST 0x02
+#define ARGP_CHARLIST 0x03
+#define ARGP_DATAOBJ 0x04
+#define ARGP_DATAOBJLIST 0x05
+#define ARGP_DWORDDATA 0x06
+#define ARGP_FIELDLIST 0x07
+#define ARGP_NAME 0x08
+#define ARGP_NAMESTRING 0x09
+#define ARGP_OBJLIST 0x0A
+#define ARGP_PKGLENGTH 0x0B
+#define ARGP_SUPERNAME 0x0C
+#define ARGP_TARGET 0x0D
+#define ARGP_TERMARG 0x0E
+#define ARGP_TERMLIST 0x0F
+#define ARGP_WORDDATA 0x10
+#define ARGP_QWORDDATA 0x11
+#define ARGP_SIMPLENAME 0x12
+
+/*
+ * Resolved argument types for the AML Interpreter
+ * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
+ * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
+ *
+ * Note1: These values are completely independent from the ACPI_TYPEs
+ * i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
+ *
+ * Note2: If and when 5 bits becomes insufficient, it would probably be best
+ * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
+ */
+
+/* Single, simple types */
+
+#define ARGI_ANYTYPE 0x01 /* Don't care */
+#define ARGI_PACKAGE 0x02
+#define ARGI_EVENT 0x03
+#define ARGI_MUTEX 0x04
+#define ARGI_DDBHANDLE 0x05
+
+/* Interchangeable types (via implicit conversion) */
+
+#define ARGI_INTEGER 0x06
+#define ARGI_STRING 0x07
+#define ARGI_BUFFER 0x08
+#define ARGI_BUFFER_OR_STRING 0x09 /* Used by MID op only */
+#define ARGI_COMPUTEDATA 0x0A /* Buffer, String, or Integer */
+
+/* Reference objects */
+
+#define ARGI_INTEGER_REF 0x0B
+#define ARGI_OBJECT_REF 0x0C
+#define ARGI_DEVICE_REF 0x0D
+#define ARGI_REFERENCE 0x0E
+#define ARGI_TARGETREF 0x0F /* Target, subject to implicit conversion */
+#define ARGI_FIXED_TARGET 0x10 /* Target, no implicit conversion */
+#define ARGI_SIMPLE_TARGET 0x11 /* Name, Local, Arg -- no implicit conversion */
+
+/* Multiple/complex types */
+
+#define ARGI_DATAOBJECT 0x12 /* Buffer, String, package or reference to a node - Used only by size_of operator */
+#define ARGI_COMPLEXOBJ 0x13 /* Buffer, String, or package (Used by INDEX op only) */
+#define ARGI_REF_OR_STRING 0x14 /* Reference or String (Used by DEREFOF op only) */
+#define ARGI_REGION_OR_BUFFER 0x15 /* Used by LOAD op only */
+#define ARGI_DATAREFOBJ 0x16
+
+/* Note: types above can expand to 0x1F maximum */
+
+#define ARGI_INVALID_OPCODE 0xFFFFFFFF
+
+/*
+ * hash offsets
+ */
+#define AML_EXTOP_HASH_OFFSET 22
+#define AML_LNOT_HASH_OFFSET 19
+
+/*
+ * opcode groups and types
+ */
+#define OPGRP_NAMED 0x01
+#define OPGRP_FIELD 0x02
+#define OPGRP_BYTELIST 0x04
+
+/*
+ * Opcode information
+ */
+
+/* Opcode flags */
+
+#define AML_LOGICAL 0x0001
+#define AML_LOGICAL_NUMERIC 0x0002
+#define AML_MATH 0x0004
+#define AML_CREATE 0x0008
+#define AML_FIELD 0x0010
+#define AML_DEFER 0x0020
+#define AML_NAMED 0x0040
+#define AML_NSNODE 0x0080
+#define AML_NSOPCODE 0x0100
+#define AML_NSOBJECT 0x0200
+#define AML_HAS_RETVAL 0x0400
+#define AML_HAS_TARGET 0x0800
+#define AML_HAS_ARGS 0x1000
+#define AML_CONSTANT 0x2000
+#define AML_NO_OPERAND_RESOLVE 0x4000
+
+/* Convenient flag groupings */
+
+#define AML_FLAGS_EXEC_0A_0T_1R AML_HAS_RETVAL
+#define AML_FLAGS_EXEC_1A_0T_0R AML_HAS_ARGS /* Monadic1 */
+#define AML_FLAGS_EXEC_1A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Monadic2 */
+#define AML_FLAGS_EXEC_1A_1T_0R AML_HAS_ARGS | AML_HAS_TARGET
+#define AML_FLAGS_EXEC_1A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* monadic2_r */
+#define AML_FLAGS_EXEC_2A_0T_0R AML_HAS_ARGS /* Dyadic1 */
+#define AML_FLAGS_EXEC_2A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Dyadic2 */
+#define AML_FLAGS_EXEC_2A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* dyadic2_r */
+#define AML_FLAGS_EXEC_2A_2T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
+#define AML_FLAGS_EXEC_3A_0T_0R AML_HAS_ARGS
+#define AML_FLAGS_EXEC_3A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
+#define AML_FLAGS_EXEC_6A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL
+
+/*
+ * The opcode Type is used in a dispatch table, do not change
+ * without updating the table.
+ */
+#define AML_TYPE_EXEC_0A_0T_1R 0x00
+#define AML_TYPE_EXEC_1A_0T_0R 0x01 /* Monadic1 */
+#define AML_TYPE_EXEC_1A_0T_1R 0x02 /* Monadic2 */
+#define AML_TYPE_EXEC_1A_1T_0R 0x03
+#define AML_TYPE_EXEC_1A_1T_1R 0x04 /* monadic2_r */
+#define AML_TYPE_EXEC_2A_0T_0R 0x05 /* Dyadic1 */
+#define AML_TYPE_EXEC_2A_0T_1R 0x06 /* Dyadic2 */
+#define AML_TYPE_EXEC_2A_1T_1R 0x07 /* dyadic2_r */
+#define AML_TYPE_EXEC_2A_2T_1R 0x08
+#define AML_TYPE_EXEC_3A_0T_0R 0x09
+#define AML_TYPE_EXEC_3A_1T_1R 0x0A
+#define AML_TYPE_EXEC_6A_0T_1R 0x0B
+/* End of types used in dispatch table */
+
+#define AML_TYPE_LITERAL 0x0B
+#define AML_TYPE_CONSTANT 0x0C
+#define AML_TYPE_METHOD_ARGUMENT 0x0D
+#define AML_TYPE_LOCAL_VARIABLE 0x0E
+#define AML_TYPE_DATA_TERM 0x0F
+
+/* Generic for an op that returns a value */
+
+#define AML_TYPE_METHOD_CALL 0x10
+
+/* Misc */
+
+#define AML_TYPE_CREATE_FIELD 0x11
+#define AML_TYPE_CREATE_OBJECT 0x12
+#define AML_TYPE_CONTROL 0x13
+#define AML_TYPE_NAMED_NO_OBJ 0x14
+#define AML_TYPE_NAMED_FIELD 0x15
+#define AML_TYPE_NAMED_SIMPLE 0x16
+#define AML_TYPE_NAMED_COMPLEX 0x17
+#define AML_TYPE_RETURN 0x18
+
+#define AML_TYPE_UNDEFINED 0x19
+#define AML_TYPE_BOGUS 0x1A
+
+/* AML Package Length encodings */
+
+#define ACPI_AML_PACKAGE_TYPE1 0x40
+#define ACPI_AML_PACKAGE_TYPE2 0x4000
+#define ACPI_AML_PACKAGE_TYPE3 0x400000
+#define ACPI_AML_PACKAGE_TYPE4 0x40000000
+
+/*
+ * Opcode classes
+ */
+#define AML_CLASS_EXECUTE 0x00
+#define AML_CLASS_CREATE 0x01
+#define AML_CLASS_ARGUMENT 0x02
+#define AML_CLASS_NAMED_OBJECT 0x03
+#define AML_CLASS_CONTROL 0x04
+#define AML_CLASS_ASCII 0x05
+#define AML_CLASS_PREFIX 0x06
+#define AML_CLASS_INTERNAL 0x07
+#define AML_CLASS_RETURN_VALUE 0x08
+#define AML_CLASS_METHOD_CALL 0x09
+#define AML_CLASS_UNKNOWN 0x0A
+
+/* Comparison operation codes for match_op operator */
+
+typedef enum {
+ MATCH_MTR = 0,
+ MATCH_MEQ = 1,
+ MATCH_MLE = 2,
+ MATCH_MLT = 3,
+ MATCH_MGE = 4,
+ MATCH_MGT = 5
+} AML_MATCH_OPERATOR;
+
+#define MAX_MATCH_OPERATOR 5
+
+/*
+ * field_flags
+ *
+ * This byte is extracted from the AML and includes three separate
+ * pieces of information about the field:
+ * 1) The field access type
+ * 2) The field update rule
+ * 3) The lock rule for the field
+ *
+ * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
+ * 04 : lock_rule (1 == Lock)
+ * 05 - 06 : update_rule
+ */
+#define AML_FIELD_ACCESS_TYPE_MASK 0x0F
+#define AML_FIELD_LOCK_RULE_MASK 0x10
+#define AML_FIELD_UPDATE_RULE_MASK 0x60
+
+/* 1) Field Access Types */
+
+typedef enum {
+ AML_FIELD_ACCESS_ANY = 0x00,
+ AML_FIELD_ACCESS_BYTE = 0x01,
+ AML_FIELD_ACCESS_WORD = 0x02,
+ AML_FIELD_ACCESS_DWORD = 0x03,
+ AML_FIELD_ACCESS_QWORD = 0x04, /* ACPI 2.0 */
+ AML_FIELD_ACCESS_BUFFER = 0x05 /* ACPI 2.0 */
+} AML_ACCESS_TYPE;
+
+/* 2) Field Lock Rules */
+
+typedef enum {
+ AML_FIELD_LOCK_NEVER = 0x00,
+ AML_FIELD_LOCK_ALWAYS = 0x10
+} AML_LOCK_RULE;
+
+/* 3) Field Update Rules */
+
+typedef enum {
+ AML_FIELD_UPDATE_PRESERVE = 0x00,
+ AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
+ AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
+} AML_UPDATE_RULE;
+
+/*
+ * Field Access Attributes.
+ * This byte is extracted from the AML via the
+ * access_as keyword
+ */
+typedef enum {
+ AML_FIELD_ATTRIB_QUICK = 0x02,
+ AML_FIELD_ATTRIB_SEND_RCV = 0x04,
+ AML_FIELD_ATTRIB_BYTE = 0x06,
+ AML_FIELD_ATTRIB_WORD = 0x08,
+ AML_FIELD_ATTRIB_BLOCK = 0x0A,
+ AML_FIELD_ATTRIB_MULTIBYTE = 0x0B,
+ AML_FIELD_ATTRIB_WORD_CALL = 0x0C,
+ AML_FIELD_ATTRIB_BLOCK_CALL = 0x0D,
+ AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
+ AML_FIELD_ATTRIB_RAW_PROCESS = 0x0F
+} AML_ACCESS_ATTRIBUTE;
+
+/* Bit fields in the AML method_flags byte */
+
+#define AML_METHOD_ARG_COUNT 0x07
+#define AML_METHOD_SERIALIZED 0x08
+#define AML_METHOD_SYNC_LEVEL 0xF0
+
+#endif /* __AMLCODE_H__ */
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
new file mode 100644
index 00000000000..f3f83440844
--- /dev/null
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -0,0 +1,452 @@
+/******************************************************************************
+ *
+ * Module Name: amlresrc.h - AML resource descriptors
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
+#ifndef __AMLRESRC_H
+#define __AMLRESRC_H
+
+/*
+ * Resource descriptor tags, as defined in the ACPI specification.
+ * Used to symbolically reference fields within a descriptor.
+ */
+#define ACPI_RESTAG_ADDRESS "_ADR"
+#define ACPI_RESTAG_ALIGNMENT "_ALN"
+#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
+#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
+#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
+#define ACPI_RESTAG_BASEADDRESS "_BAS"
+#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
+#define ACPI_RESTAG_DEBOUNCETIME "_DBT"
+#define ACPI_RESTAG_DECODE "_DEC"
+#define ACPI_RESTAG_DEVICEPOLARITY "_DPL"
+#define ACPI_RESTAG_DMA "_DMA"
+#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
+#define ACPI_RESTAG_DRIVESTRENGTH "_DRS"
+#define ACPI_RESTAG_ENDIANNESS "_END"
+#define ACPI_RESTAG_FLOWCONTROL "_FLC"
+#define ACPI_RESTAG_GRANULARITY "_GRA"
+#define ACPI_RESTAG_INTERRUPT "_INT"
+#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
+#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
+#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
+#define ACPI_RESTAG_IORESTRICTION "_IOR"
+#define ACPI_RESTAG_LENGTH "_LEN"
+#define ACPI_RESTAG_LINE "_LIN"
+#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
+#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
+#define ACPI_RESTAG_MAXADDR "_MAX"
+#define ACPI_RESTAG_MINADDR "_MIN"
+#define ACPI_RESTAG_MAXTYPE "_MAF"
+#define ACPI_RESTAG_MINTYPE "_MIF"
+#define ACPI_RESTAG_MODE "_MOD"
+#define ACPI_RESTAG_PARITY "_PAR"
+#define ACPI_RESTAG_PHASE "_PHA"
+#define ACPI_RESTAG_PIN "_PIN"
+#define ACPI_RESTAG_PINCONFIG "_PPI"
+#define ACPI_RESTAG_POLARITY "_POL"
+#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
+#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
+#define ACPI_RESTAG_RANGETYPE "_RNG"
+#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
+#define ACPI_RESTAG_LENGTH_RX "_RXL"
+#define ACPI_RESTAG_LENGTH_TX "_TXL"
+#define ACPI_RESTAG_SLAVEMODE "_SLV"
+#define ACPI_RESTAG_SPEED "_SPE"
+#define ACPI_RESTAG_STOPBITS "_STB"
+#define ACPI_RESTAG_TRANSLATION "_TRA"
+#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
+#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
+#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */
+#define ACPI_RESTAG_VENDORDATA "_VEN"
+
+/* Default sizes for "small" resource descriptors */
+
+#define ASL_RDESC_IRQ_SIZE 0x02
+#define ASL_RDESC_DMA_SIZE 0x02
+#define ASL_RDESC_ST_DEPEND_SIZE 0x00
+#define ASL_RDESC_END_DEPEND_SIZE 0x00
+#define ASL_RDESC_IO_SIZE 0x07
+#define ASL_RDESC_FIXED_IO_SIZE 0x03
+#define ASL_RDESC_FIXED_DMA_SIZE 0x05
+#define ASL_RDESC_END_TAG_SIZE 0x01
+
+struct asl_resource_node {
+ u32 buffer_length;
+ void *buffer;
+ struct asl_resource_node *next;
+};
+
+/* Macros used to generate AML resource length fields */
+
+#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
+#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
+
+/*
+ * Resource descriptors defined in the ACPI specification.
+ *
+ * Packing/alignment must be BYTE because these descriptors
+ * are used to overlay the raw AML byte stream.
+ */
+#pragma pack(1)
+
+/*
+ * SMALL descriptors
+ */
+#define AML_RESOURCE_SMALL_HEADER_COMMON \
+ u8 descriptor_type;
+
+struct aml_resource_small_header {
+AML_RESOURCE_SMALL_HEADER_COMMON};
+
+struct aml_resource_irq {
+ AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
+ u8 flags;
+};
+
+struct aml_resource_irq_noflags {
+ AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
+};
+
+struct aml_resource_dma {
+ AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
+ u8 flags;
+};
+
+struct aml_resource_start_dependent {
+ AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
+};
+
+struct aml_resource_start_dependent_noprio {
+AML_RESOURCE_SMALL_HEADER_COMMON};
+
+struct aml_resource_end_dependent {
+AML_RESOURCE_SMALL_HEADER_COMMON};
+
+struct aml_resource_io {
+ AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
+ u16 minimum;
+ u16 maximum;
+ u8 alignment;
+ u8 address_length;
+};
+
+struct aml_resource_fixed_io {
+ AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
+ u8 address_length;
+};
+
+struct aml_resource_vendor_small {
+AML_RESOURCE_SMALL_HEADER_COMMON};
+
+struct aml_resource_end_tag {
+ AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
+};
+
+struct aml_resource_fixed_dma {
+ AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
+ u16 channels;
+ u8 width;
+};
+
+/*
+ * LARGE descriptors
+ */
+#define AML_RESOURCE_LARGE_HEADER_COMMON \
+ u8 descriptor_type;\
+ u16 resource_length;
+
+struct aml_resource_large_header {
+AML_RESOURCE_LARGE_HEADER_COMMON};
+
+/* General Flags for address space resource descriptors */
+
+#define ACPI_RESOURCE_FLAG_DEC 2
+#define ACPI_RESOURCE_FLAG_MIF 4
+#define ACPI_RESOURCE_FLAG_MAF 8
+
+struct aml_resource_memory24 {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
+ u16 minimum;
+ u16 maximum;
+ u16 alignment;
+ u16 address_length;
+};
+
+struct aml_resource_vendor_large {
+AML_RESOURCE_LARGE_HEADER_COMMON};
+
+struct aml_resource_memory32 {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
+ u32 minimum;
+ u32 maximum;
+ u32 alignment;
+ u32 address_length;
+};
+
+struct aml_resource_fixed_memory32 {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
+ u32 address;
+ u32 address_length;
+};
+
+#define AML_RESOURCE_ADDRESS_COMMON \
+ u8 resource_type; \
+ u8 flags; \
+ u8 specific_flags;
+
+struct aml_resource_address {
+AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
+
+struct aml_resource_extended_address64 {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
+ u8 reserved;
+ u64 granularity;
+ u64 minimum;
+ u64 maximum;
+ u64 translation_offset;
+ u64 address_length;
+ u64 type_specific;
+};
+
+#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
+
+struct aml_resource_address64 {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_ADDRESS_COMMON u64 granularity;
+ u64 minimum;
+ u64 maximum;
+ u64 translation_offset;
+ u64 address_length;
+};
+
+struct aml_resource_address32 {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_ADDRESS_COMMON u32 granularity;
+ u32 minimum;
+ u32 maximum;
+ u32 translation_offset;
+ u32 address_length;
+};
+
+struct aml_resource_address16 {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_ADDRESS_COMMON u16 granularity;
+ u16 minimum;
+ u16 maximum;
+ u16 translation_offset;
+ u16 address_length;
+};
+
+struct aml_resource_extended_irq {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
+ u8 interrupt_count;
+ u32 interrupts[1];
+ /* res_source_index, res_source optional fields follow */
+};
+
+struct aml_resource_generic_register {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
+ u8 bit_width;
+ u8 bit_offset;
+ u8 access_size; /* ACPI 3.0, was previously Reserved */
+ u64 address;
+};
+
+/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
+
+struct aml_resource_gpio {
+ AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
+ u8 connection_type;
+ u16 flags;
+ u16 int_flags;
+ u8 pin_config;
+ u16 drive_strength;
+ u16 debounce_timeout;
+ u16 pin_table_offset;
+ u8 res_source_index;
+ u16 res_source_offset;
+ u16 vendor_offset;
+ u16 vendor_length;
+ /*
+ * Optional fields follow immediately:
+ * 1) PIN list (Words)
+ * 2) Resource Source String
+ * 3) Vendor Data bytes
+ */
+};
+
+#define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */
+
+/* Values for connection_type above */
+
+#define AML_RESOURCE_GPIO_TYPE_INT 0
+#define AML_RESOURCE_GPIO_TYPE_IO 1
+#define AML_RESOURCE_MAX_GPIOTYPE 1
+
+/* Common preamble for all serial descriptors (ACPI 5.0) */
+
+#define AML_RESOURCE_SERIAL_COMMON \
+ u8 revision_id; \
+ u8 res_source_index; \
+ u8 type; \
+ u8 flags; \
+ u16 type_specific_flags; \
+ u8 type_revision_id; \
+ u16 type_data_length; \
+
+/* Values for the type field above */
+
+#define AML_RESOURCE_I2C_SERIALBUSTYPE 1
+#define AML_RESOURCE_SPI_SERIALBUSTYPE 2
+#define AML_RESOURCE_UART_SERIALBUSTYPE 3
+#define AML_RESOURCE_MAX_SERIALBUSTYPE 3
+#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
+
+struct aml_resource_common_serialbus {
+AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
+
+struct aml_resource_i2c_serialbus {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
+ u16 slave_address;
+ /*
+ * Optional fields follow immediately:
+ * 1) Vendor Data bytes
+ * 2) Resource Source String
+ */
+};
+
+#define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_MIN_DATA_LEN 6
+
+struct aml_resource_spi_serialbus {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
+ u8 data_bit_length;
+ u8 clock_phase;
+ u8 clock_polarity;
+ u16 device_selection;
+ /*
+ * Optional fields follow immediately:
+ * 1) Vendor Data bytes
+ * 2) Resource Source String
+ */
+};
+
+#define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_MIN_DATA_LEN 9
+
+struct aml_resource_uart_serialbus {
+ AML_RESOURCE_LARGE_HEADER_COMMON
+ AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
+ u16 rx_fifo_size;
+ u16 tx_fifo_size;
+ u8 parity;
+ u8 lines_enabled;
+ /*
+ * Optional fields follow immediately:
+ * 1) Vendor Data bytes
+ * 2) Resource Source String
+ */
+};
+
+#define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */
+#define AML_RESOURCE_UART_MIN_DATA_LEN 10
+
+/* restore default alignment */
+
+#pragma pack()
+
+/* Union of all resource descriptors, so we can allocate the worst case */
+
+union aml_resource {
+ /* Descriptor headers */
+
+ u8 descriptor_type;
+ struct aml_resource_small_header small_header;
+ struct aml_resource_large_header large_header;
+
+ /* Small resource descriptors */
+
+ struct aml_resource_irq irq;
+ struct aml_resource_dma dma;
+ struct aml_resource_start_dependent start_dpf;
+ struct aml_resource_end_dependent end_dpf;
+ struct aml_resource_io io;
+ struct aml_resource_fixed_io fixed_io;
+ struct aml_resource_fixed_dma fixed_dma;
+ struct aml_resource_vendor_small vendor_small;
+ struct aml_resource_end_tag end_tag;
+
+ /* Large resource descriptors */
+
+ struct aml_resource_memory24 memory24;
+ struct aml_resource_generic_register generic_reg;
+ struct aml_resource_vendor_large vendor_large;
+ struct aml_resource_memory32 memory32;
+ struct aml_resource_fixed_memory32 fixed_memory32;
+ struct aml_resource_address16 address16;
+ struct aml_resource_address32 address32;
+ struct aml_resource_address64 address64;
+ struct aml_resource_extended_address64 ext_address64;
+ struct aml_resource_extended_irq extended_irq;
+ struct aml_resource_gpio gpio;
+ struct aml_resource_i2c_serialbus i2c_serial_bus;
+ struct aml_resource_spi_serialbus spi_serial_bus;
+ struct aml_resource_uart_serialbus uart_serial_bus;
+ struct aml_resource_common_serialbus common_serial_bus;
+
+ /* Utility overlays */
+
+ struct aml_resource_address address;
+ u32 dword_item;
+ u16 word_item;
+ u8 byte_item;
+};
+
+#endif
diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c
new file mode 100644
index 00000000000..720b1cdda71
--- /dev/null
+++ b/drivers/acpi/acpica/dsargs.c
@@ -0,0 +1,405 @@
+/******************************************************************************
+ *
+ * Module Name: dsargs - Support for execution of dynamic arguments for static
+ * objects (regions, fields, buffer fields, etc.)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsargs")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_execute_arguments(struct acpi_namespace_node *node,
+ struct acpi_namespace_node *scope_node,
+ u32 aml_length, u8 *aml_start);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_execute_arguments
+ *
+ * PARAMETERS: node - Object NS node
+ * scope_node - Parent NS node
+ * aml_length - Length of executable AML
+ * aml_start - Pointer to the AML
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Late (deferred) execution of region or field arguments
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_execute_arguments(struct acpi_namespace_node *node,
+ struct acpi_namespace_node *scope_node,
+ u32 aml_length, u8 *aml_start)
+{
+ acpi_status status;
+ union acpi_parse_object *op;
+ struct acpi_walk_state *walk_state;
+
+ ACPI_FUNCTION_TRACE(ds_execute_arguments);
+
+ /* Allocate a new parser op to be the root of the parsed tree */
+
+ op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Save the Node for use in acpi_ps_parse_aml */
+
+ op->common.node = scope_node;
+
+ /* Create and initialize a new parser state */
+
+ walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
+ if (!walk_state) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
+ aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ goto cleanup;
+ }
+
+ /* Mark this parse as a deferred opcode */
+
+ walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
+ walk_state->deferred_node = node;
+
+ /* Pass1: Parse the entire declaration */
+
+ status = acpi_ps_parse_aml(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /* Get and init the Op created above */
+
+ op->common.node = node;
+ acpi_ps_delete_parse_tree(op);
+
+ /* Evaluate the deferred arguments */
+
+ op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ op->common.node = scope_node;
+
+ /* Create and initialize a new parser state */
+
+ walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
+ if (!walk_state) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Execute the opcode and arguments */
+
+ status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
+ aml_length, NULL, ACPI_IMODE_EXECUTE);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ goto cleanup;
+ }
+
+ /* Mark this execution as a deferred opcode */
+
+ walk_state->deferred_node = node;
+ status = acpi_ps_parse_aml(walk_state);
+
+cleanup:
+ acpi_ps_delete_parse_tree(op);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_buffer_field_arguments
+ *
+ * PARAMETERS: obj_desc - A valid buffer_field object
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
+ * evaluation of these field attributes.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
+{
+ union acpi_operand_object *extra_desc;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the AML pointer (method object) and buffer_field node */
+
+ extra_desc = acpi_ns_get_secondary_object(obj_desc);
+ node = obj_desc->buffer_field.node;
+
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_BUFFER_FIELD,
+ node, NULL));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
+ acpi_ut_get_node_name(node)));
+
+ /* Execute the AML code for the term_arg arguments */
+
+ status = acpi_ds_execute_arguments(node, node->parent,
+ extra_desc->extra.aml_length,
+ extra_desc->extra.aml_start);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_bank_field_arguments
+ *
+ * PARAMETERS: obj_desc - A valid bank_field object
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Get bank_field bank_value. This implements the late
+ * evaluation of these field attributes.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
+{
+ union acpi_operand_object *extra_desc;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_bank_field_arguments, obj_desc);
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the AML pointer (method object) and bank_field node */
+
+ extra_desc = acpi_ns_get_secondary_object(obj_desc);
+ node = obj_desc->bank_field.node;
+
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n",
+ acpi_ut_get_node_name(node)));
+
+ /* Execute the AML code for the term_arg arguments */
+
+ status = acpi_ds_execute_arguments(node, node->parent,
+ extra_desc->extra.aml_length,
+ extra_desc->extra.aml_start);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_ut_add_address_range(obj_desc->region.space_id,
+ obj_desc->region.address,
+ obj_desc->region.length, node);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_buffer_arguments
+ *
+ * PARAMETERS: obj_desc - A valid Buffer object
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Get Buffer length and initializer byte list. This implements
+ * the late evaluation of these attributes.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the Buffer node */
+
+ node = obj_desc->buffer.node;
+ if (!node) {
+ ACPI_ERROR((AE_INFO,
+ "No pointer back to namespace node in buffer object %p",
+ obj_desc));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n"));
+
+ /* Execute the AML code for the term_arg arguments */
+
+ status = acpi_ds_execute_arguments(node, node,
+ obj_desc->buffer.aml_length,
+ obj_desc->buffer.aml_start);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_package_arguments
+ *
+ * PARAMETERS: obj_desc - A valid Package object
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Get Package length and initializer byte list. This implements
+ * the late evaluation of these attributes.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the Package node */
+
+ node = obj_desc->package.node;
+ if (!node) {
+ ACPI_ERROR((AE_INFO,
+ "No pointer back to namespace node in package %p",
+ obj_desc));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Arg Init\n"));
+
+ /* Execute the AML code for the term_arg arguments */
+
+ status = acpi_ds_execute_arguments(node, node,
+ obj_desc->package.aml_length,
+ obj_desc->package.aml_start);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_region_arguments
+ *
+ * PARAMETERS: obj_desc - A valid region object
+ *
+ * RETURN: Status.
+ *
+ * DESCRIPTION: Get region address and length. This implements the late
+ * evaluation of these region attributes.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ union acpi_operand_object *extra_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
+
+ if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ extra_desc = acpi_ns_get_secondary_object(obj_desc);
+ if (!extra_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Get the Region node */
+
+ node = obj_desc->region.node;
+
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_REGION, node, NULL));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n",
+ acpi_ut_get_node_name(node),
+ extra_desc->extra.aml_start));
+
+ /* Execute the argument AML */
+
+ status = acpi_ds_execute_arguments(node, extra_desc->extra.scope_node,
+ extra_desc->extra.aml_length,
+ extra_desc->extra.aml_start);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_ut_add_address_range(obj_desc->region.space_id,
+ obj_desc->region.address,
+ obj_desc->region.length, node);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
new file mode 100644
index 00000000000..8daf9de82b7
--- /dev/null
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -0,0 +1,410 @@
+/******************************************************************************
+ *
+ * Module Name: dscontrol - Support for execution control opcodes -
+ * if/else/while/return
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dscontrol")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_exec_begin_control_op
+ *
+ * PARAMETERS: walk_list - The list that owns the walk stack
+ * op - The control Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handles all control ops encountered during control method
+ * execution.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status = AE_OK;
+ union acpi_generic_state *control_state;
+
+ ACPI_FUNCTION_NAME(ds_exec_begin_control_op);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n",
+ op, op->common.aml_opcode, walk_state));
+
+ switch (op->common.aml_opcode) {
+ case AML_WHILE_OP:
+ /*
+ * If this is an additional iteration of a while loop, continue.
+ * There is no need to allocate a new control state.
+ */
+ if (walk_state->control_state) {
+ if (walk_state->control_state->control.
+ aml_predicate_start ==
+ (walk_state->parser_state.aml - 1)) {
+
+ /* Reset the state to start-of-loop */
+
+ walk_state->control_state->common.state =
+ ACPI_CONTROL_CONDITIONAL_EXECUTING;
+ break;
+ }
+ }
+
+ /*lint -fallthrough */
+
+ case AML_IF_OP:
+ /*
+ * IF/WHILE: Create a new control state to manage these
+ * constructs. We need to manage these as a stack, in order
+ * to handle nesting.
+ */
+ control_state = acpi_ut_create_control_state();
+ if (!control_state) {
+ status = AE_NO_MEMORY;
+ break;
+ }
+ /*
+ * Save a pointer to the predicate for multiple executions
+ * of a loop
+ */
+ control_state->control.aml_predicate_start =
+ walk_state->parser_state.aml - 1;
+ control_state->control.package_end =
+ walk_state->parser_state.pkg_end;
+ control_state->control.opcode = op->common.aml_opcode;
+
+ /* Push the control state on this walk's control stack */
+
+ acpi_ut_push_generic_state(&walk_state->control_state,
+ control_state);
+ break;
+
+ case AML_ELSE_OP:
+
+ /* Predicate is in the state object */
+ /* If predicate is true, the IF was executed, ignore ELSE part */
+
+ if (walk_state->last_predicate) {
+ status = AE_CTRL_TRUE;
+ }
+
+ break;
+
+ case AML_RETURN_OP:
+
+ break;
+
+ default:
+
+ break;
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_exec_end_control_op
+ *
+ * PARAMETERS: walk_list - The list that owns the walk stack
+ * op - The control Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handles all control ops encountered during control method
+ * execution.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
+ union acpi_parse_object * op)
+{
+ acpi_status status = AE_OK;
+ union acpi_generic_state *control_state;
+
+ ACPI_FUNCTION_NAME(ds_exec_end_control_op);
+
+ switch (op->common.aml_opcode) {
+ case AML_IF_OP:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", op));
+
+ /*
+ * Save the result of the predicate in case there is an
+ * ELSE to come
+ */
+ walk_state->last_predicate =
+ (u8)walk_state->control_state->common.value;
+
+ /*
+ * Pop the control state that was created at the start
+ * of the IF and free it
+ */
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->control_state);
+ acpi_ut_delete_generic_state(control_state);
+ break;
+
+ case AML_ELSE_OP:
+
+ break;
+
+ case AML_WHILE_OP:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
+
+ control_state = walk_state->control_state;
+ if (control_state->common.value) {
+
+ /* Predicate was true, the body of the loop was just executed */
+
+ /*
+ * This loop counter mechanism allows the interpreter to escape
+ * possibly infinite loops. This can occur in poorly written AML
+ * when the hardware does not respond within a while loop and the
+ * loop does not implement a timeout.
+ */
+ control_state->control.loop_count++;
+ if (control_state->control.loop_count >
+ ACPI_MAX_LOOP_ITERATIONS) {
+ status = AE_AML_INFINITE_LOOP;
+ break;
+ }
+
+ /*
+ * Go back and evaluate the predicate and maybe execute the loop
+ * another time
+ */
+ status = AE_CTRL_PENDING;
+ walk_state->aml_last_while =
+ control_state->control.aml_predicate_start;
+ break;
+ }
+
+ /* Predicate was false, terminate this while loop */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[WHILE_OP] termination! Op=%p\n", op));
+
+ /* Pop this control state and free it */
+
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->control_state);
+ acpi_ut_delete_generic_state(control_state);
+ break;
+
+ case AML_RETURN_OP:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[RETURN_OP] Op=%p Arg=%p\n", op,
+ op->common.value.arg));
+
+ /*
+ * One optional operand -- the return value
+ * It can be either an immediate operand or a result that
+ * has been bubbled up the tree
+ */
+ if (op->common.value.arg) {
+
+ /* Since we have a real Return(), delete any implicit return */
+
+ acpi_ds_clear_implicit_return(walk_state);
+
+ /* Return statement has an immediate operand */
+
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.arg);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * If value being returned is a Reference (such as
+ * an arg or local), resolve it now because it may
+ * cease to exist at the end of the method.
+ */
+ status =
+ acpi_ex_resolve_to_value(&walk_state->operands[0],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Get the return value and save as the last result
+ * value. This is the only place where walk_state->return_desc
+ * is set to anything other than zero!
+ */
+ walk_state->return_desc = walk_state->operands[0];
+ } else if (walk_state->result_count) {
+
+ /* Since we have a real Return(), delete any implicit return */
+
+ acpi_ds_clear_implicit_return(walk_state);
+
+ /*
+ * The return value has come from a previous calculation.
+ *
+ * If value being returned is a Reference (such as
+ * an arg or local), resolve it now because it may
+ * cease to exist at the end of the method.
+ *
+ * Allow references created by the Index operator to return
+ * unchanged.
+ */
+ if ((ACPI_GET_DESCRIPTOR_TYPE
+ (walk_state->results->results.obj_desc[0]) ==
+ ACPI_DESC_TYPE_OPERAND)
+ && ((walk_state->results->results.obj_desc[0])->
+ common.type == ACPI_TYPE_LOCAL_REFERENCE)
+ && ((walk_state->results->results.obj_desc[0])->
+ reference.class != ACPI_REFCLASS_INDEX)) {
+ status =
+ acpi_ex_resolve_to_value(&walk_state->
+ results->results.
+ obj_desc[0],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ walk_state->return_desc =
+ walk_state->results->results.obj_desc[0];
+ } else {
+ /* No return operand */
+
+ if (walk_state->num_operands) {
+ acpi_ut_remove_reference(walk_state->
+ operands[0]);
+ }
+
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+ walk_state->return_desc = NULL;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Completed RETURN_OP State=%p, RetVal=%p\n",
+ walk_state, walk_state->return_desc));
+
+ /* End the control method execution right now */
+
+ status = AE_CTRL_TERMINATE;
+ break;
+
+ case AML_NOOP_OP:
+
+ /* Just do nothing! */
+
+ break;
+
+ case AML_BREAK_POINT_OP:
+
+ /*
+ * Set the single-step flag. This will cause the debugger (if present)
+ * to break to the console within the AML debugger at the start of the
+ * next AML instruction.
+ */
+ ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE);
+ ACPI_DEBUGGER_EXEC(acpi_os_printf
+ ("**break** Executed AML BreakPoint opcode\n"));
+
+ /* Call to the OSL in case OS wants a piece of the action */
+
+ status = acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
+ "Executed AML Breakpoint opcode");
+ break;
+
+ case AML_BREAK_OP:
+ case AML_CONTINUE_OP: /* ACPI 2.0 */
+
+ /* Pop and delete control states until we find a while */
+
+ while (walk_state->control_state &&
+ (walk_state->control_state->control.opcode !=
+ AML_WHILE_OP)) {
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->
+ control_state);
+ acpi_ut_delete_generic_state(control_state);
+ }
+
+ /* No while found? */
+
+ if (!walk_state->control_state) {
+ return (AE_AML_NO_WHILE);
+ }
+
+ /* Was: walk_state->aml_last_while = walk_state->control_state->Control.aml_predicate_start; */
+
+ walk_state->aml_last_while =
+ walk_state->control_state->control.package_end;
+
+ /* Return status depending on opcode */
+
+ if (op->common.aml_opcode == AML_BREAK_OP) {
+ status = AE_CTRL_BREAK;
+ } else {
+ status = AE_CTRL_CONTINUE;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown control opcode=0x%X Op=%p",
+ op->common.aml_opcode, op));
+
+ status = AE_AML_BAD_OPCODE;
+ break;
+ }
+
+ return (status);
+}
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
new file mode 100644
index 00000000000..3661c8e9054
--- /dev/null
+++ b/drivers/acpi/acpica/dsfield.c
@@ -0,0 +1,792 @@
+/******************************************************************************
+ *
+ * Module Name: dsfield - Dispatcher field routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acparser.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsfield")
+
+/* Local prototypes */
+#ifdef ACPI_ASL_COMPILER
+#include "acdisasm.h"
+static acpi_status
+acpi_ds_create_external_region(acpi_status lookup_status,
+ union acpi_parse_object *op,
+ char *path,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **node);
+#endif
+
+static acpi_status
+acpi_ds_get_field_names(struct acpi_create_field_info *info,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg);
+
+#ifdef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_external_region (iASL Disassembler only)
+ *
+ * PARAMETERS: lookup_status - Status from ns_lookup operation
+ * op - Op containing the Field definition and args
+ * path - Pathname of the region
+ * ` walk_state - Current method state
+ * node - Where the new region node is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Add region to the external list if NOT_FOUND. Create a new
+ * region node/object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_create_external_region(acpi_status lookup_status,
+ union acpi_parse_object *op,
+ char *path,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **node)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+
+ if (lookup_status != AE_NOT_FOUND) {
+ return (lookup_status);
+ }
+
+ /*
+ * Table disassembly:
+ * operation_region not found. Generate an External for it, and
+ * insert the name into the namespace.
+ */
+ acpi_dm_add_op_to_external_list(op, path, ACPI_TYPE_REGION, 0, 0);
+ status = acpi_ns_lookup(walk_state->scope_info, path, ACPI_TYPE_REGION,
+ ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT,
+ walk_state, node);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Must create and install a region object for the new node */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION);
+ if (!obj_desc) {
+ return (AE_NO_MEMORY);
+ }
+
+ obj_desc->region.node = *node;
+ status = acpi_ns_attach_object(*node, obj_desc, ACPI_TYPE_REGION);
+ return (status);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_buffer_field
+ *
+ * PARAMETERS: op - Current parse op (create_XXField)
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute the create_field operators:
+ * create_bit_field_op,
+ * create_byte_field_op,
+ * create_word_field_op,
+ * create_dword_field_op,
+ * create_qword_field_op,
+ * create_field_op (all of which define a field in a buffer)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_buffer_field(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_parse_object *arg;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *second_desc = NULL;
+ u32 flags;
+
+ ACPI_FUNCTION_TRACE(ds_create_buffer_field);
+
+ /*
+ * Get the name_string argument (name of the new buffer_field)
+ */
+ if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
+
+ /* For create_field, name is the 4th argument */
+
+ arg = acpi_ps_get_arg(op, 3);
+ } else {
+ /* For all other create_XXXField operators, name is the 3rd argument */
+
+ arg = acpi_ps_get_arg(op, 2);
+ }
+
+ if (!arg) {
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ if (walk_state->deferred_node) {
+ node = walk_state->deferred_node;
+ status = AE_OK;
+ } else {
+ /* Execute flag should always be set when this function is entered */
+
+ if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /* Creating new namespace node, should not already exist */
+
+ flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
+ ACPI_NS_ERROR_IF_FOUND;
+
+ /*
+ * Mark node temporary if we are executing a normal control
+ * method. (Don't mark if this is a module-level code method)
+ */
+ if (walk_state->method_node &&
+ !(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ flags |= ACPI_NS_TEMPORARY;
+ }
+
+ /* Enter the name_string into the namespace */
+
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.string, ACPI_TYPE_ANY,
+ ACPI_IMODE_LOAD_PASS1, flags, walk_state,
+ &node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * We could put the returned object (Node) on the object stack for later,
+ * but for now, we will put it in the "op" object that the parser uses,
+ * so we can get it again at the end of this scope.
+ */
+ op->common.node = node;
+
+ /*
+ * If there is no object attached to the node, this node was just created
+ * and we need to create the field object. Otherwise, this was a lookup
+ * of an existing node and we don't want to create the field object again.
+ */
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * The Field definition is not fully parsed at this time.
+ * (We must save the address of the AML for the buffer and index operands)
+ */
+
+ /* Create the buffer field object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER_FIELD);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Remember location in AML stream of the field unit opcode and operands --
+ * since the buffer and index operands must be evaluated.
+ */
+ second_desc = obj_desc->common.next_object;
+ second_desc->extra.aml_start = op->named.data;
+ second_desc->extra.aml_length = op->named.length;
+ obj_desc->buffer_field.node = node;
+
+ /* Attach constructed field descriptors to parent node */
+
+ status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_BUFFER_FIELD);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+cleanup:
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_field_names
+ *
+ * PARAMETERS: info - create_field info structure
+ * ` walk_state - Current method state
+ * arg - First parser arg for the field name list
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Process all named fields in a field declaration. Names are
+ * entered into the namespace.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_get_field_names(struct acpi_create_field_info *info,
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg)
+{
+ acpi_status status;
+ u64 position;
+ union acpi_parse_object *child;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
+
+ /* First field starts at bit zero */
+
+ info->field_bit_position = 0;
+
+ /* Process all elements in the field list (of parse nodes) */
+
+ while (arg) {
+ /*
+ * Four types of field elements are handled:
+ * 1) name - Enters a new named field into the namespace
+ * 2) offset - specifies a bit offset
+ * 3) access_as - changes the access mode/attributes
+ * 4) connection - Associate a resource template with the field
+ */
+ switch (arg->common.aml_opcode) {
+ case AML_INT_RESERVEDFIELD_OP:
+
+ position = (u64) info->field_bit_position
+ + (u64) arg->common.value.size;
+
+ if (position > ACPI_UINT32_MAX) {
+ ACPI_ERROR((AE_INFO,
+ "Bit offset within field too large (> 0xFFFFFFFF)"));
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ info->field_bit_position = (u32) position;
+ break;
+
+ case AML_INT_ACCESSFIELD_OP:
+ case AML_INT_EXTACCESSFIELD_OP:
+ /*
+ * Get new access_type, access_attribute, and access_length fields
+ * -- to be used for all field units that follow, until the
+ * end-of-field or another access_as keyword is encountered.
+ * NOTE. These three bytes are encoded in the integer value
+ * of the parseop for convenience.
+ *
+ * In field_flags, preserve the flag bits other than the
+ * ACCESS_TYPE bits.
+ */
+
+ /* access_type (byte_acc, word_acc, etc.) */
+
+ info->field_flags = (u8)
+ ((info->
+ field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
+ ((u8)((u32)(arg->common.value.integer & 0x07))));
+
+ /* access_attribute (attrib_quick, attrib_byte, etc.) */
+
+ info->attribute =
+ (u8)((arg->common.value.integer >> 8) & 0xFF);
+
+ /* access_length (for serial/buffer protocols) */
+
+ info->access_length =
+ (u8)((arg->common.value.integer >> 16) & 0xFF);
+ break;
+
+ case AML_INT_CONNECTION_OP:
+ /*
+ * Clear any previous connection. New connection is used for all
+ * fields that follow, similar to access_as
+ */
+ info->resource_buffer = NULL;
+ info->connection_node = NULL;
+
+ /*
+ * A Connection() is either an actual resource descriptor (buffer)
+ * or a named reference to a resource template
+ */
+ child = arg->common.value.arg;
+ if (child->common.aml_opcode == AML_INT_BYTELIST_OP) {
+ info->resource_buffer = child->named.data;
+ info->resource_length =
+ (u16)child->named.value.integer;
+ } else {
+ /* Lookup the Connection() namepath, it should already exist */
+
+ status = acpi_ns_lookup(walk_state->scope_info,
+ child->common.value.
+ name, ACPI_TYPE_ANY,
+ ACPI_IMODE_EXECUTE,
+ ACPI_NS_DONT_OPEN_SCOPE,
+ walk_state,
+ &info->connection_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(child->common.
+ value.name,
+ status);
+ return_ACPI_STATUS(status);
+ }
+ }
+ break;
+
+ case AML_INT_NAMEDFIELD_OP:
+
+ /* Lookup the name, it should already exist */
+
+ status = acpi_ns_lookup(walk_state->scope_info,
+ (char *)&arg->named.name,
+ info->field_type,
+ ACPI_IMODE_EXECUTE,
+ ACPI_NS_DONT_OPEN_SCOPE,
+ walk_state, &info->field_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE((char *)&arg->named.name,
+ status);
+ return_ACPI_STATUS(status);
+ } else {
+ arg->common.node = info->field_node;
+ info->field_bit_length = arg->common.value.size;
+
+ /*
+ * If there is no object attached to the node, this node was
+ * just created and we need to create the field object.
+ * Otherwise, this was a lookup of an existing node and we
+ * don't want to create the field object again.
+ */
+ if (!acpi_ns_get_attached_object
+ (info->field_node)) {
+ status = acpi_ex_prep_field_value(info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ }
+
+ /* Keep track of bit position for the next field */
+
+ position = (u64) info->field_bit_position
+ + (u64) arg->common.value.size;
+
+ if (position > ACPI_UINT32_MAX) {
+ ACPI_ERROR((AE_INFO,
+ "Field [%4.4s] bit offset too large (> 0xFFFFFFFF)",
+ ACPI_CAST_PTR(char,
+ &info->field_node->
+ name)));
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ info->field_bit_position += info->field_bit_length;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid opcode in field list: 0x%X",
+ arg->common.aml_opcode));
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
+ }
+
+ arg = arg->common.next;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_field
+ *
+ * PARAMETERS: op - Op containing the Field definition and args
+ * region_node - Object for the containing Operation Region
+ * ` walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new field in the specified operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_field, op);
+
+ /* First arg is the name of the parent op_region (must already exist) */
+
+ arg = op->common.value.arg;
+
+ if (!region_node) {
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.name, ACPI_TYPE_REGION,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+ walk_state, &region_node);
+#ifdef ACPI_ASL_COMPILER
+ status = acpi_ds_create_external_region(status, arg,
+ arg->common.value.name,
+ walk_state,
+ &region_node);
+#endif
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.name, status);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ ACPI_MEMSET(&info, 0, sizeof(struct acpi_create_field_info));
+
+ /* Second arg is the field flags */
+
+ arg = arg->common.next;
+ info.field_flags = (u8) arg->common.value.integer;
+ info.attribute = 0;
+
+ /* Each remaining arg is a Named Field */
+
+ info.field_type = ACPI_TYPE_LOCAL_REGION_FIELD;
+ info.region_node = region_node;
+
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_field_objects
+ *
+ * PARAMETERS: op - Op containing the Field definition and args
+ * ` walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: For each "Field Unit" name in the argument list that is
+ * part of the field declaration, enter the name into the
+ * namespace.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_init_field_objects(union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_parse_object *arg = NULL;
+ struct acpi_namespace_node *node;
+ u8 type = 0;
+ u32 flags;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_init_field_objects, op);
+
+ /* Execute flag should always be set when this function is entered */
+
+ if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
+ if (walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP) {
+
+ /* bank_field Op is deferred, just return OK */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /*
+ * Get the field_list argument for this opcode. This is the start of the
+ * list of field elements.
+ */
+ switch (walk_state->opcode) {
+ case AML_FIELD_OP:
+
+ arg = acpi_ps_get_arg(op, 2);
+ type = ACPI_TYPE_LOCAL_REGION_FIELD;
+ break;
+
+ case AML_BANK_FIELD_OP:
+
+ arg = acpi_ps_get_arg(op, 4);
+ type = ACPI_TYPE_LOCAL_BANK_FIELD;
+ break;
+
+ case AML_INDEX_FIELD_OP:
+
+ arg = acpi_ps_get_arg(op, 3);
+ type = ACPI_TYPE_LOCAL_INDEX_FIELD;
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Creating new namespace node(s), should not already exist */
+
+ flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
+ ACPI_NS_ERROR_IF_FOUND;
+
+ /*
+ * Mark node(s) temporary if we are executing a normal control
+ * method. (Don't mark if this is a module-level code method)
+ */
+ if (walk_state->method_node &&
+ !(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ flags |= ACPI_NS_TEMPORARY;
+ }
+
+ /*
+ * Walk the list of entries in the field_list
+ * Note: field_list can be of zero length. In this case, Arg will be NULL.
+ */
+ while (arg) {
+ /*
+ * Ignore OFFSET/ACCESSAS/CONNECTION terms here; we are only interested
+ * in the field names in order to enter them into the namespace.
+ */
+ if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
+ status = acpi_ns_lookup(walk_state->scope_info,
+ (char *)&arg->named.name, type,
+ ACPI_IMODE_LOAD_PASS1, flags,
+ walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE((char *)&arg->named.name,
+ status);
+ if (status != AE_ALREADY_EXISTS) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Name already exists, just ignore this error */
+
+ status = AE_OK;
+ }
+
+ arg->common.node = node;
+ }
+
+ /* Get the next field element in the list */
+
+ arg = arg->common.next;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_bank_field
+ *
+ * PARAMETERS: op - Op containing the Field definition and args
+ * region_node - Object for the containing Operation Region
+ * walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new bank field in the specified operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_bank_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_bank_field, op);
+
+ /* First arg is the name of the parent op_region (must already exist) */
+
+ arg = op->common.value.arg;
+ if (!region_node) {
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.name, ACPI_TYPE_REGION,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+ walk_state, &region_node);
+#ifdef ACPI_ASL_COMPILER
+ status = acpi_ds_create_external_region(status, arg,
+ arg->common.value.name,
+ walk_state,
+ &region_node);
+#endif
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.name, status);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Second arg is the Bank Register (Field) (must already exist) */
+
+ arg = arg->common.next;
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Third arg is the bank_value
+ * This arg is a term_arg, not a constant
+ * It will be evaluated later, by acpi_ds_eval_bank_field_operands
+ */
+ arg = arg->common.next;
+
+ /* Fourth arg is the field flags */
+
+ arg = arg->common.next;
+ info.field_flags = (u8) arg->common.value.integer;
+
+ /* Each remaining arg is a Named Field */
+
+ info.field_type = ACPI_TYPE_LOCAL_BANK_FIELD;
+ info.region_node = region_node;
+
+ /*
+ * Use Info.data_register_node to store bank_field Op
+ * It's safe because data_register_node will never be used when create bank field
+ * We store aml_start and aml_length in the bank_field Op for late evaluation
+ * Used in acpi_ex_prep_field_value(Info)
+ *
+ * TBD: Or, should we add a field in struct acpi_create_field_info, like "void *ParentOp"?
+ */
+ info.data_register_node = (struct acpi_namespace_node *)op;
+
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_index_field
+ *
+ * PARAMETERS: op - Op containing the Field definition and args
+ * region_node - Object for the containing Operation Region
+ * ` walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new index field in the specified operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_index_field(union acpi_parse_object *op,
+ struct acpi_namespace_node *region_node,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_parse_object *arg;
+ struct acpi_create_field_info info;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_index_field, op);
+
+ /* First arg is the name of the Index register (must already exist) */
+
+ arg = op->common.value.arg;
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
+ }
+
+ /* Second arg is the data register (must already exist) */
+
+ arg = arg->common.next;
+ status =
+ acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &info.data_register_node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ return_ACPI_STATUS(status);
+ }
+
+ /* Next arg is the field flags */
+
+ arg = arg->common.next;
+ info.field_flags = (u8) arg->common.value.integer;
+
+ /* Each remaining arg is a Named Field */
+
+ info.field_type = ACPI_TYPE_LOCAL_INDEX_FIELD;
+ info.region_node = region_node;
+
+ status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
new file mode 100644
index 00000000000..aee5e45f6d3
--- /dev/null
+++ b/drivers/acpi/acpica/dsinit.c
@@ -0,0 +1,253 @@
+/******************************************************************************
+ *
+ * Module Name: dsinit - Object initialization namespace walk
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsinit")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_init_one_object(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_one_object
+ *
+ * PARAMETERS: obj_handle - Node for the object
+ * level - Current nesting level
+ * context - Points to a init info struct
+ * return_value - Not used
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Callback from acpi_walk_namespace. Invoked for every object
+ * within the namespace.
+ *
+ * Currently, the only objects that require initialization are:
+ * 1) Methods
+ * 2) Operation Regions
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_init_one_object(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value)
+{
+ struct acpi_init_walk_info *info =
+ (struct acpi_init_walk_info *)context;
+ struct acpi_namespace_node *node =
+ (struct acpi_namespace_node *)obj_handle;
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * We are only interested in NS nodes owned by the table that
+ * was just loaded
+ */
+ if (node->owner_id != info->owner_id) {
+ return (AE_OK);
+ }
+
+ info->object_count++;
+
+ /* And even then, we are only interested in a few object types */
+
+ switch (acpi_ns_get_type(obj_handle)) {
+ case ACPI_TYPE_REGION:
+
+ status = acpi_ds_initialize_region(obj_handle);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During Region initialization %p [%4.4s]",
+ obj_handle,
+ acpi_ut_get_node_name(obj_handle)));
+ }
+
+ info->op_region_count++;
+ break;
+
+ case ACPI_TYPE_METHOD:
+ /*
+ * Auto-serialization support. We will examine each method that is
+ * not_serialized to determine if it creates any Named objects. If
+ * it does, it will be marked serialized to prevent problems if
+ * the method is entered by two or more threads and an attempt is
+ * made to create the same named object twice -- which results in
+ * an AE_ALREADY_EXISTS exception and method abort.
+ */
+ info->method_count++;
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ break;
+ }
+
+ /* Ignore if already serialized */
+
+ if (obj_desc->method.info_flags & ACPI_METHOD_SERIALIZED) {
+ info->serial_method_count++;
+ break;
+ }
+
+ if (acpi_gbl_auto_serialize_methods) {
+
+ /* Parse/scan method and serialize it if necessary */
+
+ acpi_ds_auto_serialize_method(node, obj_desc);
+ if (obj_desc->method.
+ info_flags & ACPI_METHOD_SERIALIZED) {
+
+ /* Method was just converted to Serialized */
+
+ info->serial_method_count++;
+ info->serialized_method_count++;
+ break;
+ }
+ }
+
+ info->non_serial_method_count++;
+ break;
+
+ case ACPI_TYPE_DEVICE:
+
+ info->device_count++;
+ break;
+
+ default:
+
+ break;
+ }
+
+ /*
+ * We ignore errors from above, and always return OK, since
+ * we don't want to abort the walk on a single error.
+ */
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_initialize_objects
+ *
+ * PARAMETERS: table_desc - Descriptor for parent ACPI table
+ * start_node - Root of subtree to be initialized.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
+ * necessary initialization on the objects found therein
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_initialize_objects(u32 table_index,
+ struct acpi_namespace_node * start_node)
+{
+ acpi_status status;
+ struct acpi_init_walk_info info;
+ struct acpi_table_header *table;
+ acpi_owner_id owner_id;
+
+ ACPI_FUNCTION_TRACE(ds_initialize_objects);
+
+ status = acpi_tb_get_owner_id(table_index, &owner_id);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "**** Starting initialization of namespace objects ****\n"));
+
+ /* Set all init info to zero */
+
+ ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info));
+
+ info.owner_id = owner_id;
+ info.table_index = table_index;
+
+ /* Walk entire namespace from the supplied root */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * We don't use acpi_walk_namespace since we do not want to acquire
+ * the namespace reader lock.
+ */
+ status =
+ acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
+ ACPI_NS_WALK_UNLOCK, acpi_ds_init_one_object,
+ NULL, &info, NULL);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
+ }
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ "Table [%4.4s] (id %4.4X) - %4u Objects with %3u Devices, "
+ "%3u Regions, %3u Methods (%u/%u/%u Serial/Non/Cvt)\n",
+ table->signature, owner_id, info.object_count,
+ info.device_count, info.op_region_count,
+ info.method_count, info.serial_method_count,
+ info.non_serial_method_count,
+ info.serialized_method_count));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "%u Methods, %u Regions\n",
+ info.method_count, info.op_region_count));
+
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
new file mode 100644
index 00000000000..3c7f7378b94
--- /dev/null
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -0,0 +1,831 @@
+/******************************************************************************
+ *
+ * Module Name: dsmethod - Parser/Interpreter interface - control method parsing
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#ifdef ACPI_DISASSEMBLER
+#include "acdisasm.h"
+#endif
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsmethod")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op);
+
+static acpi_status
+acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_auto_serialize_method
+ *
+ * PARAMETERS: node - Namespace Node of the method
+ * obj_desc - Method object attached to node
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Parse a control method AML to scan for control methods that
+ * need serialization due to the creation of named objects.
+ *
+ * NOTE: It is a bit of overkill to mark all such methods serialized, since
+ * there is only a problem if the method actually blocks during execution.
+ * A blocking operation is, for example, a Sleep() operation, or any access
+ * to an operation region. However, it is probably not possible to easily
+ * detect whether a method will block or not, so we simply mark all suspicious
+ * methods as serialized.
+ *
+ * NOTE2: This code is essentially a generic routine for parsing a single
+ * control method.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
+ union acpi_operand_object *obj_desc)
+{
+ acpi_status status;
+ union acpi_parse_object *op = NULL;
+ struct acpi_walk_state *walk_state;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_auto_serialize_method, node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Method auto-serialization parse [%4.4s] %p\n",
+ acpi_ut_get_node_name(node), node));
+
+ /* Create/Init a root op for the method parse tree */
+
+ op = acpi_ps_alloc_op(AML_METHOD_OP);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ acpi_ps_set_name(op, node->name.integer);
+ op->common.node = node;
+
+ /* Create and initialize a new walk state */
+
+ walk_state =
+ acpi_ds_create_walk_state(node->owner_id, NULL, NULL, NULL);
+ if (!walk_state) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ status =
+ acpi_ds_init_aml_walk(walk_state, op, node,
+ obj_desc->method.aml_start,
+ obj_desc->method.aml_length, NULL, 0);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ return_ACPI_STATUS(status);
+ }
+
+ walk_state->descending_callback = acpi_ds_detect_named_opcodes;
+
+ /* Parse the method, scan for creation of named objects */
+
+ status = acpi_ps_parse_aml(walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ps_delete_parse_tree(op);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_detect_named_opcodes
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Unused, required for parser interface
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ * Currently used to detect methods that must be marked serialized
+ * in order to avoid problems with the creation of named objects.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
+{
+
+ ACPI_FUNCTION_NAME(acpi_ds_detect_named_opcodes);
+
+ /* We are only interested in opcodes that create a new name */
+
+ if (!
+ (walk_state->op_info->
+ flags & (AML_NAMED | AML_CREATE | AML_FIELD))) {
+ return (AE_OK);
+ }
+
+ /*
+ * At this point, we know we have a Named object opcode.
+ * Mark the method as serialized. Later code will create a mutex for
+ * this method to enforce serialization.
+ *
+ * Note, ACPI_METHOD_IGNORE_SYNC_LEVEL flag means that we will ignore the
+ * Sync Level mechanism for this method, even though it is now serialized.
+ * Otherwise, there can be conflicts with existing ASL code that actually
+ * uses sync levels.
+ */
+ walk_state->method_desc->method.sync_level = 0;
+ walk_state->method_desc->method.info_flags |=
+ (ACPI_METHOD_SERIALIZED | ACPI_METHOD_IGNORE_SYNC_LEVEL);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Method serialized [%4.4s] %p - [%s] (%4.4X)\n",
+ walk_state->method_node->name.ascii,
+ walk_state->method_node, walk_state->op_info->name,
+ walk_state->opcode));
+
+ /* Abort the parse, no need to examine this method any further */
+
+ return (AE_CTRL_TERMINATE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_error
+ *
+ * PARAMETERS: status - Execution status
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Called on method error. Invoke the global exception handler if
+ * present, dump the method data if the disassembler is configured
+ *
+ * Note: Allows the exception handler to change the status code
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Ignore AE_OK and control exception codes */
+
+ if (ACPI_SUCCESS(status) || (status & AE_CODE_CONTROL)) {
+ return (status);
+ }
+
+ /* Invoke the global exception handler */
+
+ if (acpi_gbl_exception_handler) {
+
+ /* Exit the interpreter, allow handler to execute methods */
+
+ acpi_ex_exit_interpreter();
+
+ /*
+ * Handler can map the exception code to anything it wants, including
+ * AE_OK, in which case the executing method will not be aborted.
+ */
+ status = acpi_gbl_exception_handler(status,
+ walk_state->method_node ?
+ walk_state->method_node->
+ name.integer : 0,
+ walk_state->opcode,
+ walk_state->aml_offset,
+ NULL);
+ acpi_ex_enter_interpreter();
+ }
+
+ acpi_ds_clear_implicit_return(walk_state);
+
+#ifdef ACPI_DISASSEMBLER
+ if (ACPI_FAILURE(status)) {
+
+ /* Display method locals/args if disassembler is present */
+
+ acpi_dm_dump_method_info(status, walk_state, walk_state->op);
+ }
+#endif
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_method_mutex
+ *
+ * PARAMETERS: obj_desc - The method object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a mutex object for a serialized control method
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
+{
+ union acpi_operand_object *mutex_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ds_create_method_mutex);
+
+ /* Create the new mutex object */
+
+ mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
+ if (!mutex_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Create the actual OS Mutex */
+
+ status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(mutex_desc);
+ return_ACPI_STATUS(status);
+ }
+
+ mutex_desc->mutex.sync_level = method_desc->method.sync_level;
+ method_desc->method.mutex = mutex_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_begin_method_execution
+ *
+ * PARAMETERS: method_node - Node of the method
+ * obj_desc - The method object
+ * walk_state - current state, NULL if not yet executing
+ * a method.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Prepare a method for execution. Parses the method if necessary,
+ * increments the thread count, and waits at the method semaphore
+ * for clearance to execute.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node);
+
+ if (!method_node) {
+ return_ACPI_STATUS(AE_NULL_ENTRY);
+ }
+
+ /* Prevent wraparound of thread count */
+
+ if (obj_desc->method.thread_count == ACPI_UINT8_MAX) {
+ ACPI_ERROR((AE_INFO,
+ "Method reached maximum reentrancy limit (255)"));
+ return_ACPI_STATUS(AE_AML_METHOD_LIMIT);
+ }
+
+ /*
+ * If this method is serialized, we need to acquire the method mutex.
+ */
+ if (obj_desc->method.info_flags & ACPI_METHOD_SERIALIZED) {
+ /*
+ * Create a mutex for the method if it is defined to be Serialized
+ * and a mutex has not already been created. We defer the mutex creation
+ * until a method is actually executed, to minimize the object count
+ */
+ if (!obj_desc->method.mutex) {
+ status = acpi_ds_create_method_mutex(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * The current_sync_level (per-thread) must be less than or equal to
+ * the sync level of the method. This mechanism provides some
+ * deadlock prevention.
+ *
+ * If the method was auto-serialized, we just ignore the sync level
+ * mechanism, because auto-serialization of methods can interfere
+ * with ASL code that actually uses sync levels.
+ *
+ * Top-level method invocation has no walk state at this point
+ */
+ if (walk_state &&
+ (!(obj_desc->method.
+ info_flags & ACPI_METHOD_IGNORE_SYNC_LEVEL))
+ && (walk_state->thread->current_sync_level >
+ obj_desc->method.mutex->mutex.sync_level)) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%u)",
+ acpi_ut_get_node_name(method_node),
+ walk_state->thread->current_sync_level));
+
+ return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
+ }
+
+ /*
+ * Obtain the method mutex if necessary. Do not acquire mutex for a
+ * recursive call.
+ */
+ if (!walk_state ||
+ !obj_desc->method.mutex->mutex.thread_id ||
+ (walk_state->thread->thread_id !=
+ obj_desc->method.mutex->mutex.thread_id)) {
+ /*
+ * Acquire the method mutex. This releases the interpreter if we
+ * block (and reacquires it before it returns)
+ */
+ status =
+ acpi_ex_system_wait_mutex(obj_desc->method.mutex->
+ mutex.os_mutex,
+ ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Update the mutex and walk info and save the original sync_level */
+
+ if (walk_state) {
+ obj_desc->method.mutex->mutex.
+ original_sync_level =
+ walk_state->thread->current_sync_level;
+
+ obj_desc->method.mutex->mutex.thread_id =
+ walk_state->thread->thread_id;
+ walk_state->thread->current_sync_level =
+ obj_desc->method.sync_level;
+ } else {
+ obj_desc->method.mutex->mutex.
+ original_sync_level =
+ obj_desc->method.mutex->mutex.sync_level;
+ }
+ }
+
+ /* Always increase acquisition depth */
+
+ obj_desc->method.mutex->mutex.acquisition_depth++;
+ }
+
+ /*
+ * Allocate an Owner ID for this method, only if this is the first thread
+ * to begin concurrent execution. We only need one owner_id, even if the
+ * method is invoked recursively.
+ */
+ if (!obj_desc->method.owner_id) {
+ status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ }
+
+ /*
+ * Increment the method parse tree thread count since it has been
+ * reentered one more time (even if it is the same thread)
+ */
+ obj_desc->method.thread_count++;
+ acpi_method_count++;
+ return_ACPI_STATUS(status);
+
+cleanup:
+ /* On error, must release the method mutex (if present) */
+
+ if (obj_desc->method.mutex) {
+ acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex);
+ }
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_call_control_method
+ *
+ * PARAMETERS: thread - Info for this thread
+ * this_walk_state - Current walk state
+ * op - Current Op to be walked
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Transfer execution to a called control method
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_call_control_method(struct acpi_thread_state *thread,
+ struct acpi_walk_state *this_walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ struct acpi_namespace_node *method_node;
+ struct acpi_walk_state *next_walk_state = NULL;
+ union acpi_operand_object *obj_desc;
+ struct acpi_evaluate_info *info;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Calling method %p, currentstate=%p\n",
+ this_walk_state->prev_op, this_walk_state));
+
+ /*
+ * Get the namespace entry for the control method we are about to call
+ */
+ method_node = this_walk_state->method_call_node;
+ if (!method_node) {
+ return_ACPI_STATUS(AE_NULL_ENTRY);
+ }
+
+ obj_desc = acpi_ns_get_attached_object(method_node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NULL_OBJECT);
+ }
+
+ /* Init for new method, possibly wait on method mutex */
+
+ status = acpi_ds_begin_method_execution(method_node, obj_desc,
+ this_walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Begin method parse/execution. Create a new walk state */
+
+ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
+ NULL, obj_desc, thread);
+ if (!next_walk_state) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * The resolved arguments were put on the previous walk state's operand
+ * stack. Operands on the previous walk state stack always
+ * start at index 0. Also, null terminate the list of arguments
+ */
+ this_walk_state->operands[this_walk_state->num_operands] = NULL;
+
+ /*
+ * Allocate and initialize the evaluation information block
+ * TBD: this is somewhat inefficient, should change interface to
+ * ds_init_aml_walk. For now, keeps this struct off the CPU stack
+ */
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ info->parameters = &this_walk_state->operands[0];
+
+ status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
+ obj_desc->method.aml_start,
+ obj_desc->method.aml_length, info,
+ ACPI_IMODE_EXECUTE);
+
+ ACPI_FREE(info);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * Delete the operands on the previous walkstate operand stack
+ * (they were copied to new objects)
+ */
+ for (i = 0; i < obj_desc->method.param_count; i++) {
+ acpi_ut_remove_reference(this_walk_state->operands[i]);
+ this_walk_state->operands[i] = NULL;
+ }
+
+ /* Clear the operand stack */
+
+ this_walk_state->num_operands = 0;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "**** Begin nested execution of [%4.4s] **** WalkState=%p\n",
+ method_node->name.ascii, next_walk_state));
+
+ /* Invoke an internal method if necessary */
+
+ if (obj_desc->method.info_flags & ACPI_METHOD_INTERNAL_ONLY) {
+ status =
+ obj_desc->method.dispatch.implementation(next_walk_state);
+ if (status == AE_OK) {
+ status = AE_CTRL_TERMINATE;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+
+cleanup:
+
+ /* On error, we must terminate the method properly */
+
+ acpi_ds_terminate_control_method(obj_desc, next_walk_state);
+ if (next_walk_state) {
+ acpi_ds_delete_walk_state(next_walk_state);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_restart_control_method
+ *
+ * PARAMETERS: walk_state - State for preempted method (caller)
+ * return_desc - Return value from the called method
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Restart a method that was preempted by another (nested) method
+ * invocation. Handle the return value (if any) from the callee.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *return_desc)
+{
+ acpi_status status;
+ int same_as_implicit_return;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n",
+ acpi_ut_get_node_name(walk_state->method_node),
+ walk_state->method_call_op, return_desc));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ " ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n",
+ walk_state->return_used,
+ walk_state->results, walk_state));
+
+ /* Did the called method return a value? */
+
+ if (return_desc) {
+
+ /* Is the implicit return object the same as the return desc? */
+
+ same_as_implicit_return =
+ (walk_state->implicit_return_obj == return_desc);
+
+ /* Are we actually going to use the return value? */
+
+ if (walk_state->return_used) {
+
+ /* Save the return value from the previous method */
+
+ status = acpi_ds_result_push(return_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Save as THIS method's return value in case it is returned
+ * immediately to yet another method
+ */
+ walk_state->return_desc = return_desc;
+ }
+
+ /*
+ * The following code is the optional support for the so-called
+ * "implicit return". Some AML code assumes that the last value of the
+ * method is "implicitly" returned to the caller, in the absence of an
+ * explicit return value.
+ *
+ * Just save the last result of the method as the return value.
+ *
+ * NOTE: this is optional because the ASL language does not actually
+ * support this behavior.
+ */
+ else if (!acpi_ds_do_implicit_return
+ (return_desc, walk_state, FALSE)
+ || same_as_implicit_return) {
+ /*
+ * Delete the return value if it will not be used by the
+ * calling method or remove one reference if the explicit return
+ * is the same as the implicit return value.
+ */
+ acpi_ut_remove_reference(return_desc);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_terminate_control_method
+ *
+ * PARAMETERS: method_desc - Method object
+ * walk_state - State associated with the method
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Terminate a control method. Delete everything that the method
+ * created, delete all locals and arguments, and delete the parse
+ * tree if requested.
+ *
+ * MUTEX: Interpreter is locked
+ *
+ ******************************************************************************/
+
+void
+acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
+ struct acpi_walk_state *walk_state)
+{
+
+ ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
+
+ /* method_desc is required, walk_state is optional */
+
+ if (!method_desc) {
+ return_VOID;
+ }
+
+ if (walk_state) {
+
+ /* Delete all arguments and locals */
+
+ acpi_ds_method_data_delete_all(walk_state);
+
+ /*
+ * If method is serialized, release the mutex and restore the
+ * current sync level for this thread
+ */
+ if (method_desc->method.mutex) {
+
+ /* Acquisition Depth handles recursive calls */
+
+ method_desc->method.mutex->mutex.acquisition_depth--;
+ if (!method_desc->method.mutex->mutex.acquisition_depth) {
+ walk_state->thread->current_sync_level =
+ method_desc->method.mutex->mutex.
+ original_sync_level;
+
+ acpi_os_release_mutex(method_desc->method.
+ mutex->mutex.os_mutex);
+ method_desc->method.mutex->mutex.thread_id = 0;
+ }
+ }
+
+ /*
+ * Delete any namespace objects created anywhere within the
+ * namespace by the execution of this method. Unless:
+ * 1) This method is a module-level executable code method, in which
+ * case we want make the objects permanent.
+ * 2) There are other threads executing the method, in which case we
+ * will wait until the last thread has completed.
+ */
+ if (!(method_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL)
+ && (method_desc->method.thread_count == 1)) {
+
+ /* Delete any direct children of (created by) this method */
+
+ acpi_ns_delete_namespace_subtree(walk_state->
+ method_node);
+
+ /*
+ * Delete any objects that were created by this method
+ * elsewhere in the namespace (if any were created).
+ * Use of the ACPI_METHOD_MODIFIED_NAMESPACE optimizes the
+ * deletion such that we don't have to perform an entire
+ * namespace walk for every control method execution.
+ */
+ if (method_desc->method.
+ info_flags & ACPI_METHOD_MODIFIED_NAMESPACE) {
+ acpi_ns_delete_namespace_by_owner(method_desc->
+ method.
+ owner_id);
+ method_desc->method.info_flags &=
+ ~ACPI_METHOD_MODIFIED_NAMESPACE;
+ }
+ }
+ }
+
+ /* Decrement the thread count on the method */
+
+ if (method_desc->method.thread_count) {
+ method_desc->method.thread_count--;
+ } else {
+ ACPI_ERROR((AE_INFO, "Invalid zero thread count in method"));
+ }
+
+ /* Are there any other threads currently executing this method? */
+
+ if (method_desc->method.thread_count) {
+ /*
+ * Additional threads. Do not release the owner_id in this case,
+ * we immediately reuse it for the next thread executing this method
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "*** Completed execution of one thread, %u threads remaining\n",
+ method_desc->method.thread_count));
+ } else {
+ /* This is the only executing thread for this method */
+
+ /*
+ * Support to dynamically change a method from not_serialized to
+ * Serialized if it appears that the method is incorrectly written and
+ * does not support multiple thread execution. The best example of this
+ * is if such a method creates namespace objects and blocks. A second
+ * thread will fail with an AE_ALREADY_EXISTS exception.
+ *
+ * This code is here because we must wait until the last thread exits
+ * before marking the method as serialized.
+ */
+ if (method_desc->method.
+ info_flags & ACPI_METHOD_SERIALIZED_PENDING) {
+ if (walk_state) {
+ ACPI_INFO((AE_INFO,
+ "Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error",
+ walk_state->method_node->name.
+ ascii));
+ }
+
+ /*
+ * Method tried to create an object twice and was marked as
+ * "pending serialized". The probable cause is that the method
+ * cannot handle reentrancy.
+ *
+ * The method was created as not_serialized, but it tried to create
+ * a named object and then blocked, causing the second thread
+ * entrance to begin and then fail. Workaround this problem by
+ * marking the method permanently as Serialized when the last
+ * thread exits here.
+ */
+ method_desc->method.info_flags &=
+ ~ACPI_METHOD_SERIALIZED_PENDING;
+ method_desc->method.info_flags |=
+ (ACPI_METHOD_SERIALIZED |
+ ACPI_METHOD_IGNORE_SYNC_LEVEL);
+ method_desc->method.sync_level = 0;
+ }
+
+ /* No more threads, we can free the owner_id */
+
+ if (!
+ (method_desc->method.
+ info_flags & ACPI_METHOD_MODULE_LEVEL)) {
+ acpi_ut_release_owner_id(&method_desc->method.owner_id);
+ }
+ }
+
+ return_VOID;
+}
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
new file mode 100644
index 00000000000..b67522df01a
--- /dev/null
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -0,0 +1,714 @@
+/*******************************************************************************
+ *
+ * Module Name: dsmthdat - control method arguments and local variables
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsmthdat")
+
+/* Local prototypes */
+static void
+acpi_ds_method_data_delete_value(u8 type,
+ u32 index, struct acpi_walk_state *walk_state);
+
+static acpi_status
+acpi_ds_method_data_set_value(u8 type,
+ u32 index,
+ union acpi_operand_object *object,
+ struct acpi_walk_state *walk_state);
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+acpi_object_type
+acpi_ds_method_data_get_type(u16 opcode,
+ u32 index, struct acpi_walk_state *walk_state);
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_init
+ *
+ * PARAMETERS: walk_state - Current walk state object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize the data structures that hold the method's arguments
+ * and locals. The data struct is an array of namespace nodes for
+ * each - this allows ref_of and de_ref_of to work properly for these
+ * special data types.
+ *
+ * NOTES: walk_state fields are initialized to zero by the
+ * ACPI_ALLOCATE_ZEROED().
+ *
+ * A pseudo-Namespace Node is assigned to each argument and local
+ * so that ref_of() can return a pointer to the Node.
+ *
+ ******************************************************************************/
+
+void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
+{
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_init);
+
+ /* Init the method arguments */
+
+ for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++) {
+ ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name,
+ NAMEOF_ARG_NTE);
+ walk_state->arguments[i].name.integer |= (i << 24);
+ walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
+ walk_state->arguments[i].type = ACPI_TYPE_ANY;
+ walk_state->arguments[i].flags = ANOBJ_METHOD_ARG;
+ }
+
+ /* Init the method locals */
+
+ for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++) {
+ ACPI_MOVE_32_TO_32(&walk_state->local_variables[i].name,
+ NAMEOF_LOCAL_NTE);
+
+ walk_state->local_variables[i].name.integer |= (i << 24);
+ walk_state->local_variables[i].descriptor_type =
+ ACPI_DESC_TYPE_NAMED;
+ walk_state->local_variables[i].type = ACPI_TYPE_ANY;
+ walk_state->local_variables[i].flags = ANOBJ_METHOD_LOCAL;
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_delete_all
+ *
+ * PARAMETERS: walk_state - Current walk state object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Delete method locals and arguments. Arguments are only
+ * deleted if this method was called from another method.
+ *
+ ******************************************************************************/
+
+void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
+{
+ u32 index;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_delete_all);
+
+ /* Detach the locals */
+
+ for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
+ if (walk_state->local_variables[index].object) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%u=%p\n",
+ index,
+ walk_state->local_variables[index].
+ object));
+
+ /* Detach object (if present) and remove a reference */
+
+ acpi_ns_detach_object(&walk_state->
+ local_variables[index]);
+ }
+ }
+
+ /* Detach the arguments */
+
+ for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
+ if (walk_state->arguments[index].object) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%u=%p\n",
+ index,
+ walk_state->arguments[index].object));
+
+ /* Detach object (if present) and remove a reference */
+
+ acpi_ns_detach_object(&walk_state->arguments[index]);
+ }
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_init_args
+ *
+ * PARAMETERS: *params - Pointer to a parameter list for the method
+ * max_param_count - The arg count for this method
+ * walk_state - Current walk state object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize arguments for a method. The parameter list is a list
+ * of ACPI operand objects, either null terminated or whose length
+ * is defined by max_param_count.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_method_data_init_args(union acpi_operand_object **params,
+ u32 max_param_count,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ u32 index = 0;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params);
+
+ if (!params) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "No param list passed to method\n"));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Copy passed parameters into the new method stack frame */
+
+ while ((index < ACPI_METHOD_NUM_ARGS) &&
+ (index < max_param_count) && params[index]) {
+ /*
+ * A valid parameter.
+ * Store the argument in the method/walk descriptor.
+ * Do not copy the arg in order to implement call by reference
+ */
+ status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index,
+ params[index],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ index++;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index));
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_get_node
+ *
+ * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
+ * index - Which Local or Arg whose type to get
+ * walk_state - Current walk state object
+ * node - Where the node is returned.
+ *
+ * RETURN: Status and node
+ *
+ * DESCRIPTION: Get the Node associated with a local or arg.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_method_data_get_node(u8 type,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **node)
+{
+ ACPI_FUNCTION_TRACE(ds_method_data_get_node);
+
+ /*
+ * Method Locals and Arguments are supported
+ */
+ switch (type) {
+ case ACPI_REFCLASS_LOCAL:
+
+ if (index > ACPI_METHOD_MAX_LOCAL) {
+ ACPI_ERROR((AE_INFO,
+ "Local index %u is invalid (max %u)",
+ index, ACPI_METHOD_MAX_LOCAL));
+ return_ACPI_STATUS(AE_AML_INVALID_INDEX);
+ }
+
+ /* Return a pointer to the pseudo-node */
+
+ *node = &walk_state->local_variables[index];
+ break;
+
+ case ACPI_REFCLASS_ARG:
+
+ if (index > ACPI_METHOD_MAX_ARG) {
+ ACPI_ERROR((AE_INFO,
+ "Arg index %u is invalid (max %u)",
+ index, ACPI_METHOD_MAX_ARG));
+ return_ACPI_STATUS(AE_AML_INVALID_INDEX);
+ }
+
+ /* Return a pointer to the pseudo-node */
+
+ *node = &walk_state->arguments[index];
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Type %u is invalid", type));
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_set_value
+ *
+ * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
+ * index - Which Local or Arg to get
+ * object - Object to be inserted into the stack entry
+ * walk_state - Current walk state object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
+ * Note: There is no "implicit conversion" for locals.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_method_data_set_value(u8 type,
+ u32 index,
+ union acpi_operand_object *object,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_set_value);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "NewObj %p Type %2.2X, Refs=%u [%s]\n", object,
+ type, object->common.reference_count,
+ acpi_ut_get_type_name(object->common.type)));
+
+ /* Get the namespace node for the arg/local */
+
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Increment ref count so object can't be deleted while installed.
+ * NOTE: We do not copy the object in order to preserve the call by
+ * reference semantics of ACPI Control Method invocation.
+ * (See ACPI Specification 2.0C)
+ */
+ acpi_ut_add_reference(object);
+
+ /* Install the object */
+
+ node->object = object;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_get_value
+ *
+ * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
+ * index - Which localVar or argument to get
+ * walk_state - Current walk state object
+ * dest_desc - Where Arg or Local value is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieve value of selected Arg or Local for this method
+ * Used only in acpi_ex_resolve_to_value().
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_method_data_get_value(u8 type,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ union acpi_operand_object **dest_desc)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *object;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_get_value);
+
+ /* Validate the object descriptor */
+
+ if (!dest_desc) {
+ ACPI_ERROR((AE_INFO, "Null object descriptor pointer"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Get the namespace node for the arg/local */
+
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the object from the node */
+
+ object = node->object;
+
+ /* Examine the returned object, it must be valid. */
+
+ if (!object) {
+ /*
+ * Index points to uninitialized object.
+ * This means that either 1) The expected argument was
+ * not passed to the method, or 2) A local variable
+ * was referenced by the method (via the ASL)
+ * before it was initialized. Either case is an error.
+ */
+
+ /* If slack enabled, init the local_x/arg_x to an Integer of value zero */
+
+ if (acpi_gbl_enable_interpreter_slack) {
+ object = acpi_ut_create_integer_object((u64) 0);
+ if (!object) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ node->object = object;
+ }
+
+ /* Otherwise, return the error */
+
+ else
+ switch (type) {
+ case ACPI_REFCLASS_ARG:
+
+ ACPI_ERROR((AE_INFO,
+ "Uninitialized Arg[%u] at node %p",
+ index, node));
+
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+
+ case ACPI_REFCLASS_LOCAL:
+ /*
+ * No error message for this case, will be trapped again later to
+ * detect and ignore cases of Store(local_x,local_x)
+ */
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Not a Arg/Local opcode: 0x%X",
+ type));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+ }
+
+ /*
+ * The Index points to an initialized and valid object.
+ * Return an additional reference to the object
+ */
+ *dest_desc = object;
+ acpi_ut_add_reference(object);
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_delete_value
+ *
+ * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
+ * index - Which localVar or argument to delete
+ * walk_state - Current walk state object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Delete the entry at Opcode:Index. Inserts
+ * a null into the stack slot after the object is deleted.
+ *
+ ******************************************************************************/
+
+static void
+acpi_ds_method_data_delete_value(u8 type,
+ u32 index, struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *object;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_delete_value);
+
+ /* Get the namespace node for the arg/local */
+
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+
+ /* Get the associated object */
+
+ object = acpi_ns_get_attached_object(node);
+
+ /*
+ * Undefine the Arg or Local by setting its descriptor
+ * pointer to NULL. Locals/Args can contain both
+ * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs
+ */
+ node->object = NULL;
+
+ if ((object) &&
+ (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_OPERAND)) {
+ /*
+ * There is a valid object.
+ * Decrement the reference count by one to balance the
+ * increment when the object was stored.
+ */
+ acpi_ut_remove_reference(object);
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_store_object_to_local
+ *
+ * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
+ * index - Which Local or Arg to set
+ * obj_desc - Value to be stored
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Store a value in an Arg or Local. The obj_desc is installed
+ * as the new value for the Arg or Local and the reference count
+ * for obj_desc is incremented.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_store_object_to_local(u8 type,
+ u32 index,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *current_obj_desc;
+ union acpi_operand_object *new_obj_desc;
+
+ ACPI_FUNCTION_TRACE(ds_store_object_to_local);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%u Obj=%p\n",
+ type, index, obj_desc));
+
+ /* Parameter validation */
+
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Get the namespace node for the arg/local */
+
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ current_obj_desc = acpi_ns_get_attached_object(node);
+ if (current_obj_desc == obj_desc) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p already installed!\n",
+ obj_desc));
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * If the reference count on the object is more than one, we must
+ * take a copy of the object before we store. A reference count
+ * of exactly 1 means that the object was just created during the
+ * evaluation of an expression, and we can safely use it since it
+ * is not used anywhere else.
+ */
+ new_obj_desc = obj_desc;
+ if (obj_desc->common.reference_count > 1) {
+ status =
+ acpi_ut_copy_iobject_to_iobject(obj_desc, &new_obj_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * If there is an object already in this slot, we either
+ * have to delete it, or if this is an argument and there
+ * is an object reference stored there, we have to do
+ * an indirect store!
+ */
+ if (current_obj_desc) {
+ /*
+ * Check for an indirect store if an argument
+ * contains an object reference (stored as an Node).
+ * We don't allow this automatic dereferencing for
+ * locals, since a store to a local should overwrite
+ * anything there, including an object reference.
+ *
+ * If both Arg0 and Local0 contain ref_of (Local4):
+ *
+ * Store (1, Arg0) - Causes indirect store to local4
+ * Store (1, Local0) - Stores 1 in local0, overwriting
+ * the reference to local4
+ * Store (1, de_refof (Local0)) - Causes indirect store to local4
+ *
+ * Weird, but true.
+ */
+ if (type == ACPI_REFCLASS_ARG) {
+ /*
+ * If we have a valid reference object that came from ref_of(),
+ * do the indirect store
+ */
+ if ((ACPI_GET_DESCRIPTOR_TYPE(current_obj_desc) ==
+ ACPI_DESC_TYPE_OPERAND)
+ && (current_obj_desc->common.type ==
+ ACPI_TYPE_LOCAL_REFERENCE)
+ && (current_obj_desc->reference.class ==
+ ACPI_REFCLASS_REFOF)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Arg (%p) is an ObjRef(Node), storing in node %p\n",
+ new_obj_desc,
+ current_obj_desc));
+
+ /*
+ * Store this object to the Node (perform the indirect store)
+ * NOTE: No implicit conversion is performed, as per the ACPI
+ * specification rules on storing to Locals/Args.
+ */
+ status =
+ acpi_ex_store_object_to_node(new_obj_desc,
+ current_obj_desc->
+ reference.
+ object,
+ walk_state,
+ ACPI_NO_IMPLICIT_CONVERSION);
+
+ /* Remove local reference if we copied the object above */
+
+ if (new_obj_desc != obj_desc) {
+ acpi_ut_remove_reference(new_obj_desc);
+ }
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Delete the existing object before storing the new one */
+
+ acpi_ds_method_data_delete_value(type, index, walk_state);
+ }
+
+ /*
+ * Install the Obj descriptor (*new_obj_desc) into
+ * the descriptor for the Arg or Local.
+ * (increments the object reference count by one)
+ */
+ status =
+ acpi_ds_method_data_set_value(type, index, new_obj_desc,
+ walk_state);
+
+ /* Remove local reference if we copied the object above */
+
+ if (new_obj_desc != obj_desc) {
+ acpi_ut_remove_reference(new_obj_desc);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_method_data_get_type
+ *
+ * PARAMETERS: opcode - Either AML_LOCAL_OP or AML_ARG_OP
+ * index - Which Local or Arg whose type to get
+ * walk_state - Current walk state object
+ *
+ * RETURN: Data type of current value of the selected Arg or Local
+ *
+ * DESCRIPTION: Get the type of the object stored in the Local or Arg
+ *
+ ******************************************************************************/
+
+acpi_object_type
+acpi_ds_method_data_get_type(u16 opcode,
+ u32 index, struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *object;
+
+ ACPI_FUNCTION_TRACE(ds_method_data_get_type);
+
+ /* Get the namespace node for the arg/local */
+
+ status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_VALUE((ACPI_TYPE_NOT_FOUND));
+ }
+
+ /* Get the object */
+
+ object = acpi_ns_get_attached_object(node);
+ if (!object) {
+
+ /* Uninitialized local/arg, return TYPE_ANY */
+
+ return_VALUE(ACPI_TYPE_ANY);
+ }
+
+ /* Get the object type */
+
+ return_VALUE(object->type);
+}
+#endif
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
new file mode 100644
index 00000000000..a1e7e6b6fcf
--- /dev/null
+++ b/drivers/acpi/acpica/dsobject.c
@@ -0,0 +1,850 @@
+/******************************************************************************
+ *
+ * Module Name: dsobject - Dispatcher object management routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsobject")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object **obj_desc_ptr);
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_build_internal_object
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * op - Parser object to be translated
+ * obj_desc_ptr - Where the ACPI internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
+ * Simple objects are any objects other than a package object!
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object **obj_desc_ptr)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ acpi_object_type type;
+
+ ACPI_FUNCTION_TRACE(ds_build_internal_object);
+
+ *obj_desc_ptr = NULL;
+ if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
+ /*
+ * This is a named object reference. If this name was
+ * previously looked up in the namespace, it was stored in this op.
+ * Otherwise, go ahead and look it up now
+ */
+ if (!op->common.node) {
+ status = acpi_ns_lookup(walk_state->scope_info,
+ op->common.value.string,
+ ACPI_TYPE_ANY,
+ ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE, NULL,
+ ACPI_CAST_INDIRECT_PTR(struct
+ acpi_namespace_node,
+ &(op->
+ common.
+ node)));
+ if (ACPI_FAILURE(status)) {
+
+ /* Check if we are resolving a named reference within a package */
+
+ if ((status == AE_NOT_FOUND)
+ && (acpi_gbl_enable_interpreter_slack)
+ &&
+ ((op->common.parent->common.aml_opcode ==
+ AML_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_VAR_PACKAGE_OP))) {
+ /*
+ * We didn't find the target and we are populating elements
+ * of a package - ignore if slack enabled. Some ASL code
+ * contains dangling invalid references in packages and
+ * expects that no exception will be issued. Leave the
+ * element as a null element. It cannot be used, but it
+ * can be overwritten by subsequent ASL code - this is
+ * typically the case.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Ignoring unresolved reference in package [%4.4s]\n",
+ walk_state->
+ scope_info->scope.
+ node->name.ascii));
+
+ return_ACPI_STATUS(AE_OK);
+ } else {
+ ACPI_ERROR_NAMESPACE(op->common.value.
+ string, status);
+ }
+
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Special object resolution for elements of a package */
+
+ if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
+ (op->common.parent->common.aml_opcode ==
+ AML_VAR_PACKAGE_OP)) {
+ /*
+ * Attempt to resolve the node to a value before we insert it into
+ * the package. If this is a reference to a common data type,
+ * resolve it immediately. According to the ACPI spec, package
+ * elements can only be "data objects" or method references.
+ * Attempt to resolve to an Integer, Buffer, String or Package.
+ * If cannot, return the named reference (for things like Devices,
+ * Methods, etc.) Buffer Fields and Fields will resolve to simple
+ * objects (int/buf/str/pkg).
+ *
+ * NOTE: References to things like Devices, Methods, Mutexes, etc.
+ * will remain as named references. This behavior is not described
+ * in the ACPI spec, but it appears to be an oversight.
+ */
+ obj_desc =
+ ACPI_CAST_PTR(union acpi_operand_object,
+ op->common.node);
+
+ status =
+ acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &obj_desc),
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Special handling for Alias objects. We need to setup the type
+ * and the Op->Common.Node to point to the Alias target. Note,
+ * Alias has at most one level of indirection internally.
+ */
+ type = op->common.node->type;
+ if (type == ACPI_TYPE_LOCAL_ALIAS) {
+ type = obj_desc->common.type;
+ op->common.node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ op->common.node->object);
+ }
+
+ switch (type) {
+ /*
+ * For these types, we need the actual node, not the subobject.
+ * However, the subobject did not get an extra reference count above.
+ *
+ * TBD: should ex_resolve_node_to_value be changed to fix this?
+ */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_THERMAL:
+
+ acpi_ut_add_reference(op->common.node->object);
+
+ /*lint -fallthrough */
+ /*
+ * For these types, we need the actual node, not the subobject.
+ * The subobject got an extra reference count in ex_resolve_node_to_value.
+ */
+ case ACPI_TYPE_MUTEX:
+ case ACPI_TYPE_METHOD:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_EVENT:
+ case ACPI_TYPE_REGION:
+
+ /* We will create a reference object for these types below */
+ break;
+
+ default:
+ /*
+ * All other types - the node was resolved to an actual
+ * object, we are done.
+ */
+ goto exit;
+ }
+ }
+ }
+
+ /* Create and init a new internal ACPI object */
+
+ obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info
+ (op->common.aml_opcode))->
+ object_type);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ status =
+ acpi_ds_init_object_from_op(walk_state, op, op->common.aml_opcode,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+ }
+
+exit:
+ *obj_desc_ptr = obj_desc;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_build_internal_buffer_obj
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * op - Parser object to be translated
+ * buffer_length - Length of the buffer
+ * obj_desc_ptr - Where the ACPI internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a parser Op package object to the equivalent
+ * namespace object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u32 buffer_length,
+ union acpi_operand_object **obj_desc_ptr)
+{
+ union acpi_parse_object *arg;
+ union acpi_operand_object *obj_desc;
+ union acpi_parse_object *byte_list;
+ u32 byte_list_length = 0;
+
+ ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj);
+
+ /*
+ * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
+ * The buffer object already exists (from the NS node), otherwise it must
+ * be created.
+ */
+ obj_desc = *obj_desc_ptr;
+ if (!obj_desc) {
+
+ /* Create a new buffer object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
+ *obj_desc_ptr = obj_desc;
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+ }
+
+ /*
+ * Second arg is the buffer data (optional) byte_list can be either
+ * individual bytes or a string initializer. In either case, a
+ * byte_list appears in the AML.
+ */
+ arg = op->common.value.arg; /* skip first arg */
+
+ byte_list = arg->named.next;
+ if (byte_list) {
+ if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) {
+ ACPI_ERROR((AE_INFO,
+ "Expecting bytelist, found AML opcode 0x%X in op %p",
+ byte_list->common.aml_opcode, byte_list));
+
+ acpi_ut_remove_reference(obj_desc);
+ return (AE_TYPE);
+ }
+
+ byte_list_length = (u32) byte_list->common.value.integer;
+ }
+
+ /*
+ * The buffer length (number of bytes) will be the larger of:
+ * 1) The specified buffer length and
+ * 2) The length of the initializer byte list
+ */
+ obj_desc->buffer.length = buffer_length;
+ if (byte_list_length > buffer_length) {
+ obj_desc->buffer.length = byte_list_length;
+ }
+
+ /* Allocate the buffer */
+
+ if (obj_desc->buffer.length == 0) {
+ obj_desc->buffer.pointer = NULL;
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Buffer defined with zero length in AML, creating\n"));
+ } else {
+ obj_desc->buffer.pointer =
+ ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length);
+ if (!obj_desc->buffer.pointer) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize buffer from the byte_list (if present) */
+
+ if (byte_list) {
+ ACPI_MEMCPY(obj_desc->buffer.pointer,
+ byte_list->named.data, byte_list_length);
+ }
+ }
+
+ obj_desc->buffer.flags |= AOPOBJ_DATA_VALID;
+ op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_build_internal_package_obj
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * op - Parser object to be translated
+ * element_count - Number of elements in the package - this is
+ * the num_elements argument to Package()
+ * obj_desc_ptr - Where the ACPI internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a parser Op package object to the equivalent
+ * namespace object
+ *
+ * NOTE: The number of elements in the package will be always be the num_elements
+ * count, regardless of the number of elements in the package list. If
+ * num_elements is smaller, only that many package list elements are used.
+ * if num_elements is larger, the Package object is padded out with
+ * objects of type Uninitialized (as per ACPI spec.)
+ *
+ * Even though the ASL compilers do not allow num_elements to be smaller
+ * than the Package list length (for the fixed length package opcode), some
+ * BIOS code modifies the AML on the fly to adjust the num_elements, and
+ * this code compensates for that. This also provides compatibility with
+ * other AML interpreters.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u32 element_count,
+ union acpi_operand_object **obj_desc_ptr)
+{
+ union acpi_parse_object *arg;
+ union acpi_parse_object *parent;
+ union acpi_operand_object *obj_desc = NULL;
+ acpi_status status = AE_OK;
+ u32 i;
+ u16 index;
+ u16 reference_count;
+
+ ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
+
+ /* Find the parent of a possibly nested package */
+
+ parent = op->common.parent;
+ while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
+ (parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
+ parent = parent->common.parent;
+ }
+
+ /*
+ * If we are evaluating a Named package object "Name (xxxx, Package)",
+ * the package object already exists, otherwise it must be created.
+ */
+ obj_desc = *obj_desc_ptr;
+ if (!obj_desc) {
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
+ *obj_desc_ptr = obj_desc;
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ obj_desc->package.node = parent->common.node;
+ }
+
+ /*
+ * Allocate the element array (array of pointers to the individual
+ * objects) based on the num_elements parameter. Add an extra pointer slot
+ * so that the list is always null terminated.
+ */
+ obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ element_count +
+ 1) * sizeof(void *));
+
+ if (!obj_desc->package.elements) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ obj_desc->package.count = element_count;
+
+ /*
+ * Initialize the elements of the package, up to the num_elements count.
+ * Package is automatically padded with uninitialized (NULL) elements
+ * if num_elements is greater than the package list length. Likewise,
+ * Package is truncated if num_elements is less than the list length.
+ */
+ arg = op->common.value.arg;
+ arg = arg->common.next;
+ for (i = 0; arg && (i < element_count); i++) {
+ if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
+ if (arg->common.node->type == ACPI_TYPE_METHOD) {
+ /*
+ * A method reference "looks" to the parser to be a method
+ * invocation, so we special case it here
+ */
+ arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
+ status =
+ acpi_ds_build_internal_object(walk_state,
+ arg,
+ &obj_desc->
+ package.
+ elements[i]);
+ } else {
+ /* This package element is already built, just get it */
+
+ obj_desc->package.elements[i] =
+ ACPI_CAST_PTR(union acpi_operand_object,
+ arg->common.node);
+ }
+ } else {
+ status = acpi_ds_build_internal_object(walk_state, arg,
+ &obj_desc->
+ package.
+ elements[i]);
+ }
+
+ if (*obj_desc_ptr) {
+
+ /* Existing package, get existing reference count */
+
+ reference_count =
+ (*obj_desc_ptr)->common.reference_count;
+ if (reference_count > 1) {
+
+ /* Make new element ref count match original ref count */
+
+ for (index = 0; index < (reference_count - 1);
+ index++) {
+ acpi_ut_add_reference((obj_desc->
+ package.
+ elements[i]));
+ }
+ }
+ }
+
+ arg = arg->common.next;
+ }
+
+ /* Check for match between num_elements and actual length of package_list */
+
+ if (arg) {
+ /*
+ * num_elements was exhausted, but there are remaining elements in the
+ * package_list. Truncate the package to num_elements.
+ *
+ * Note: technically, this is an error, from ACPI spec: "It is an error
+ * for NumElements to be less than the number of elements in the
+ * PackageList". However, we just print a message and
+ * no exception is returned. This provides Windows compatibility. Some
+ * BIOSs will alter the num_elements on the fly, creating this type
+ * of ill-formed package object.
+ */
+ while (arg) {
+ /*
+ * We must delete any package elements that were created earlier
+ * and are not going to be used because of the package truncation.
+ */
+ if (arg->common.node) {
+ acpi_ut_remove_reference(ACPI_CAST_PTR
+ (union
+ acpi_operand_object,
+ arg->common.node));
+ arg->common.node = NULL;
+ }
+
+ /* Find out how many elements there really are */
+
+ i++;
+ arg = arg->common.next;
+ }
+
+ ACPI_INFO((AE_INFO,
+ "Actual Package length (%u) is larger than NumElements field (%u), truncated",
+ i, element_count));
+ } else if (i < element_count) {
+ /*
+ * Arg list (elements) was exhausted, but we did not reach num_elements count.
+ * Note: this is not an error, the package is padded out with NULLs.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Package List length (%u) smaller than NumElements count (%u), padded with null elements\n",
+ i, element_count));
+ }
+
+ obj_desc->package.flags |= AOPOBJ_DATA_VALID;
+ op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_node
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * node - NS Node to be initialized
+ * op - Parser object to be translated
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create the object to be associated with a namespace node
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_node(struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node *node,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_node, op);
+
+ /*
+ * Because of the execution pass through the non-control-method
+ * parts of the table, we can arrive here twice. Only init
+ * the named object node the first time through
+ */
+ if (acpi_ns_get_attached_object(node)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (!op->common.value.arg) {
+
+ /* No arguments, there is nothing to do */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Build an internal object for the argument(s) */
+
+ status = acpi_ds_build_internal_object(walk_state, op->common.value.arg,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Re-type the object according to its argument */
+
+ node->type = obj_desc->common.type;
+
+ /* Attach obj to node */
+
+ status = acpi_ns_attach_object(node, obj_desc, node->type);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_object_from_op
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * op - Parser op used to init the internal object
+ * opcode - AML opcode associated with the object
+ * ret_obj_desc - Namespace object to be initialized
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize a namespace object from a parser Op and its
+ * associated arguments. The namespace object is a more compact
+ * representation of the Op and its arguments.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u16 opcode,
+ union acpi_operand_object **ret_obj_desc)
+{
+ const struct acpi_opcode_info *op_info;
+ union acpi_operand_object *obj_desc;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ds_init_object_from_op);
+
+ obj_desc = *ret_obj_desc;
+ op_info = acpi_ps_get_opcode_info(opcode);
+ if (op_info->class == AML_CLASS_UNKNOWN) {
+
+ /* Unknown opcode */
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /* Perform per-object initialization */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_BUFFER:
+ /*
+ * Defer evaluation of Buffer term_arg operand
+ */
+ obj_desc->buffer.node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ walk_state->operands[0]);
+ obj_desc->buffer.aml_start = op->named.data;
+ obj_desc->buffer.aml_length = op->named.length;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ /*
+ * Defer evaluation of Package term_arg operand
+ */
+ obj_desc->package.node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ walk_state->operands[0]);
+ obj_desc->package.aml_start = op->named.data;
+ obj_desc->package.aml_length = op->named.length;
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ switch (op_info->type) {
+ case AML_TYPE_CONSTANT:
+ /*
+ * Resolve AML Constants here - AND ONLY HERE!
+ * All constants are integers.
+ * We mark the integer with a flag that indicates that it started
+ * life as a constant -- so that stores to constants will perform
+ * as expected (noop). zero_op is used as a placeholder for optional
+ * target operands.
+ */
+ obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
+
+ switch (opcode) {
+ case AML_ZERO_OP:
+
+ obj_desc->integer.value = 0;
+ break;
+
+ case AML_ONE_OP:
+
+ obj_desc->integer.value = 1;
+ break;
+
+ case AML_ONES_OP:
+
+ obj_desc->integer.value = ACPI_UINT64_MAX;
+
+ /* Truncate value if we are executing from a 32-bit ACPI table */
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ (void)acpi_ex_truncate_for32bit_table(obj_desc);
+#endif
+ break;
+
+ case AML_REVISION_OP:
+
+ obj_desc->integer.value = ACPI_CA_VERSION;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown constant opcode 0x%X",
+ opcode));
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+ break;
+
+ case AML_TYPE_LITERAL:
+
+ obj_desc->integer.value = op->common.value.integer;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ if (acpi_ex_truncate_for32bit_table(obj_desc)) {
+
+ /* Warn if we found a 64-bit constant in a 32-bit table */
+
+ ACPI_WARNING((AE_INFO,
+ "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X",
+ ACPI_FORMAT_UINT64(op->common.
+ value.integer),
+ (u32)obj_desc->integer.value));
+ }
+#endif
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown Integer type 0x%X",
+ op_info->type));
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ obj_desc->string.pointer = op->common.value.string;
+ obj_desc->string.length =
+ (u32) ACPI_STRLEN(op->common.value.string);
+
+ /*
+ * The string is contained in the ACPI table, don't ever try
+ * to delete it
+ */
+ obj_desc->common.flags |= AOPOBJ_STATIC_POINTER;
+ break;
+
+ case ACPI_TYPE_METHOD:
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ switch (op_info->type) {
+ case AML_TYPE_LOCAL_VARIABLE:
+
+ /* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
+
+ obj_desc->reference.value =
+ ((u32)opcode) - AML_LOCAL_OP;
+ obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ status =
+ acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL,
+ obj_desc->reference.
+ value, walk_state,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &obj_desc->reference.
+ object));
+#endif
+ break;
+
+ case AML_TYPE_METHOD_ARGUMENT:
+
+ /* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
+
+ obj_desc->reference.value = ((u32)opcode) - AML_ARG_OP;
+ obj_desc->reference.class = ACPI_REFCLASS_ARG;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG,
+ obj_desc->
+ reference.value,
+ walk_state,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &obj_desc->
+ reference.
+ object));
+#endif
+ break;
+
+ default: /* Object name or Debug object */
+
+ switch (op->common.aml_opcode) {
+ case AML_INT_NAMEPATH_OP:
+
+ /* Node was saved in Op */
+
+ obj_desc->reference.node = op->common.node;
+ obj_desc->reference.object =
+ op->common.node->object;
+ obj_desc->reference.class = ACPI_REFCLASS_NAME;
+ break;
+
+ case AML_DEBUG_OP:
+
+ obj_desc->reference.class = ACPI_REFCLASS_DEBUG;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unimplemented reference type for AML opcode: 0x%4.4X",
+ opcode));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ break;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unimplemented data type: 0x%X",
+ obj_desc->common.type));
+
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
new file mode 100644
index 00000000000..6c0759c0db4
--- /dev/null
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -0,0 +1,758 @@
+/******************************************************************************
+ *
+ * Module Name: dsopcode - Dispatcher support for regions and fields
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsopcode")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_init_buffer_field(u16 aml_opcode,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object *buffer_desc,
+ union acpi_operand_object *offset_desc,
+ union acpi_operand_object *length_desc,
+ union acpi_operand_object *result_desc);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_initialize_region
+ *
+ * PARAMETERS: obj_handle - Region namespace node
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Front end to ev_initialize_region
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_initialize_region(acpi_handle obj_handle)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ obj_desc = acpi_ns_get_attached_object(obj_handle);
+
+ /* Namespace is NOT locked */
+
+ status = acpi_ev_initialize_region(obj_desc, FALSE);
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_buffer_field
+ *
+ * PARAMETERS: aml_opcode - create_xxx_field
+ * obj_desc - buffer_field object
+ * buffer_desc - Host Buffer
+ * offset_desc - Offset into buffer
+ * length_desc - Length of field (CREATE_FIELD_OP only)
+ * result_desc - Where to store the result
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform actual initialization of a buffer field
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_init_buffer_field(u16 aml_opcode,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object *buffer_desc,
+ union acpi_operand_object *offset_desc,
+ union acpi_operand_object *length_desc,
+ union acpi_operand_object *result_desc)
+{
+ u32 offset;
+ u32 bit_offset;
+ u32 bit_count;
+ u8 field_flags;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_init_buffer_field, obj_desc);
+
+ /* Host object must be a Buffer */
+
+ if (buffer_desc->common.type != ACPI_TYPE_BUFFER) {
+ ACPI_ERROR((AE_INFO,
+ "Target of Create Field is not a Buffer object - %s",
+ acpi_ut_get_object_type_name(buffer_desc)));
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ /*
+ * The last parameter to all of these opcodes (result_desc) started
+ * out as a name_string, and should therefore now be a NS node
+ * after resolution in acpi_ex_resolve_operands().
+ */
+ if (ACPI_GET_DESCRIPTOR_TYPE(result_desc) != ACPI_DESC_TYPE_NAMED) {
+ ACPI_ERROR((AE_INFO,
+ "(%s) destination not a NS Node [%s]",
+ acpi_ps_get_opcode_name(aml_opcode),
+ acpi_ut_get_descriptor_name(result_desc)));
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ offset = (u32) offset_desc->integer.value;
+
+ /*
+ * Setup the Bit offsets and counts, according to the opcode
+ */
+ switch (aml_opcode) {
+ case AML_CREATE_FIELD_OP:
+
+ /* Offset is in bits, count is in bits */
+
+ field_flags = AML_FIELD_ACCESS_BYTE;
+ bit_offset = offset;
+ bit_count = (u32) length_desc->integer.value;
+
+ /* Must have a valid (>0) bit count */
+
+ if (bit_count == 0) {
+ ACPI_ERROR((AE_INFO,
+ "Attempt to CreateField of length zero"));
+ status = AE_AML_OPERAND_VALUE;
+ goto cleanup;
+ }
+ break;
+
+ case AML_CREATE_BIT_FIELD_OP:
+
+ /* Offset is in bits, Field is one bit */
+
+ bit_offset = offset;
+ bit_count = 1;
+ field_flags = AML_FIELD_ACCESS_BYTE;
+ break;
+
+ case AML_CREATE_BYTE_FIELD_OP:
+
+ /* Offset is in bytes, field is one byte */
+
+ bit_offset = 8 * offset;
+ bit_count = 8;
+ field_flags = AML_FIELD_ACCESS_BYTE;
+ break;
+
+ case AML_CREATE_WORD_FIELD_OP:
+
+ /* Offset is in bytes, field is one word */
+
+ bit_offset = 8 * offset;
+ bit_count = 16;
+ field_flags = AML_FIELD_ACCESS_WORD;
+ break;
+
+ case AML_CREATE_DWORD_FIELD_OP:
+
+ /* Offset is in bytes, field is one dword */
+
+ bit_offset = 8 * offset;
+ bit_count = 32;
+ field_flags = AML_FIELD_ACCESS_DWORD;
+ break;
+
+ case AML_CREATE_QWORD_FIELD_OP:
+
+ /* Offset is in bytes, field is one qword */
+
+ bit_offset = 8 * offset;
+ bit_count = 64;
+ field_flags = AML_FIELD_ACCESS_QWORD;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown field creation opcode 0x%02X",
+ aml_opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+ /* Entire field must fit within the current length of the buffer */
+
+ if ((bit_offset + bit_count) > (8 * (u32) buffer_desc->buffer.length)) {
+ ACPI_ERROR((AE_INFO,
+ "Field [%4.4s] at %u exceeds Buffer [%4.4s] size %u (bits)",
+ acpi_ut_get_node_name(result_desc),
+ bit_offset + bit_count,
+ acpi_ut_get_node_name(buffer_desc->buffer.node),
+ 8 * (u32) buffer_desc->buffer.length));
+ status = AE_AML_BUFFER_LIMIT;
+ goto cleanup;
+ }
+
+ /*
+ * Initialize areas of the field object that are common to all fields
+ * For field_flags, use LOCK_RULE = 0 (NO_LOCK),
+ * UPDATE_RULE = 0 (UPDATE_PRESERVE)
+ */
+ status = acpi_ex_prep_common_field_object(obj_desc, field_flags, 0,
+ bit_offset, bit_count);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ obj_desc->buffer_field.buffer_obj = buffer_desc;
+
+ /* Reference count for buffer_desc inherits obj_desc count */
+
+ buffer_desc->common.reference_count = (u16)
+ (buffer_desc->common.reference_count +
+ obj_desc->common.reference_count);
+
+cleanup:
+
+ /* Always delete the operands */
+
+ acpi_ut_remove_reference(offset_desc);
+ acpi_ut_remove_reference(buffer_desc);
+
+ if (aml_opcode == AML_CREATE_FIELD_OP) {
+ acpi_ut_remove_reference(length_desc);
+ }
+
+ /* On failure, delete the result descriptor */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(result_desc); /* Result descriptor */
+ } else {
+ /* Now the address and length are valid for this buffer_field */
+
+ obj_desc->buffer_field.flags |= AOPOBJ_DATA_VALID;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_eval_buffer_field_operands
+ *
+ * PARAMETERS: walk_state - Current walk
+ * op - A valid buffer_field Op object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get buffer_field Buffer and Index
+ * Called from acpi_ds_exec_end_op during buffer_field parse tree walk
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_buffer_field_operands, op);
+
+ /*
+ * This is where we evaluate the address and length fields of the
+ * create_xxx_field declaration
+ */
+ node = op->common.node;
+
+ /* next_op points to the op that holds the Buffer */
+
+ next_op = op->common.value.arg;
+
+ /* Evaluate/create the address and length operands */
+
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Resolve the operands */
+
+ status = acpi_ex_resolve_operands(op->common.aml_opcode,
+ ACPI_WALK_OPERANDS, walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "(%s) bad operand(s), status 0x%X",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ status));
+
+ return_ACPI_STATUS(status);
+ }
+
+ /* Initialize the Buffer Field */
+
+ if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
+
+ /* NOTE: Slightly different operands for this opcode */
+
+ status =
+ acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
+ walk_state->operands[0],
+ walk_state->operands[1],
+ walk_state->operands[2],
+ walk_state->operands[3]);
+ } else {
+ /* All other, create_xxx_field opcodes */
+
+ status =
+ acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
+ walk_state->operands[0],
+ walk_state->operands[1], NULL,
+ walk_state->operands[2]);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_eval_region_operands
+ *
+ * PARAMETERS: walk_state - Current walk
+ * op - A valid region Op object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get region address and length
+ * Called from acpi_ds_exec_end_op during op_region parse tree walk
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *operand_desc;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op);
+
+ /*
+ * This is where we evaluate the address and length fields of the
+ * op_region declaration
+ */
+ node = op->common.node;
+
+ /* next_op points to the op that holds the space_ID */
+
+ next_op = op->common.value.arg;
+
+ /* next_op points to address op */
+
+ next_op = next_op->common.next;
+
+ /* Evaluate/create the address and length operands */
+
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Resolve the length and address operands to numbers */
+
+ status = acpi_ex_resolve_operands(op->common.aml_opcode,
+ ACPI_WALK_OPERANDS, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /*
+ * Get the length operand and save it
+ * (at Top of stack)
+ */
+ operand_desc = walk_state->operands[walk_state->num_operands - 1];
+
+ obj_desc->region.length = (u32) operand_desc->integer.value;
+ acpi_ut_remove_reference(operand_desc);
+
+ /*
+ * Get the address and save it
+ * (at top of stack - 1)
+ */
+ operand_desc = walk_state->operands[walk_state->num_operands - 2];
+
+ obj_desc->region.address = (acpi_physical_address)
+ operand_desc->integer.value;
+ acpi_ut_remove_reference(operand_desc);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
+ obj_desc,
+ ACPI_FORMAT_NATIVE_UINT(obj_desc->region.address),
+ obj_desc->region.length));
+
+ /* Now the address and length are valid for this opregion */
+
+ obj_desc->region.flags |= AOPOBJ_DATA_VALID;
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_eval_table_region_operands
+ *
+ * PARAMETERS: walk_state - Current walk
+ * op - A valid region Op object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get region address and length.
+ * Called from acpi_ds_exec_end_op during data_table_region parse
+ * tree walk.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object **operand;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+ u32 table_index;
+ struct acpi_table_header *table;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
+
+ /*
+ * This is where we evaluate the Signature string, oem_id string,
+ * and oem_table_id string of the Data Table Region declaration
+ */
+ node = op->common.node;
+
+ /* next_op points to Signature string op */
+
+ next_op = op->common.value.arg;
+
+ /*
+ * Evaluate/create the Signature string, oem_id string,
+ * and oem_table_id string operands
+ */
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Resolve the Signature string, oem_id string,
+ * and oem_table_id string operands
+ */
+ status = acpi_ex_resolve_operands(op->common.aml_opcode,
+ ACPI_WALK_OPERANDS, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ operand = &walk_state->operands[0];
+
+ /* Find the ACPI table */
+
+ status = acpi_tb_find_table(operand[0]->string.pointer,
+ operand[1]->string.pointer,
+ operand[2]->string.pointer, &table_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ut_remove_reference(operand[0]);
+ acpi_ut_remove_reference(operand[1]);
+ acpi_ut_remove_reference(operand[2]);
+
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ obj_desc->region.address =
+ (acpi_physical_address) ACPI_TO_INTEGER(table);
+ obj_desc->region.length = table->length;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
+ obj_desc,
+ ACPI_FORMAT_NATIVE_UINT(obj_desc->region.address),
+ obj_desc->region.length));
+
+ /* Now the address and length are valid for this opregion */
+
+ obj_desc->region.flags |= AOPOBJ_DATA_VALID;
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_eval_data_object_operands
+ *
+ * PARAMETERS: walk_state - Current walk
+ * op - A valid data_object Op object
+ * obj_desc - data_object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get the operands and complete the following data object types:
+ * Buffer, Package.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object *obj_desc)
+{
+ acpi_status status;
+ union acpi_operand_object *arg_desc;
+ u32 length;
+
+ ACPI_FUNCTION_TRACE(ds_eval_data_object_operands);
+
+ /* The first operand (for all of these data objects) is the length */
+
+ /*
+ * Set proper index into operand stack for acpi_ds_obj_stack_push
+ * invoked inside acpi_ds_create_operand.
+ */
+ walk_state->operand_index = walk_state->num_operands;
+
+ status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_ex_resolve_operands(walk_state->opcode,
+ &(walk_state->
+ operands[walk_state->num_operands -
+ 1]), walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Extract length operand */
+
+ arg_desc = walk_state->operands[walk_state->num_operands - 1];
+ length = (u32) arg_desc->integer.value;
+
+ /* Cleanup for length operand */
+
+ status = acpi_ds_obj_stack_pop(1, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ut_remove_reference(arg_desc);
+
+ /*
+ * Create the actual data object
+ */
+ switch (op->common.aml_opcode) {
+ case AML_BUFFER_OP:
+
+ status =
+ acpi_ds_build_internal_buffer_obj(walk_state, op, length,
+ &obj_desc);
+ break;
+
+ case AML_PACKAGE_OP:
+ case AML_VAR_PACKAGE_OP:
+
+ status =
+ acpi_ds_build_internal_package_obj(walk_state, op, length,
+ &obj_desc);
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
+ }
+
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * Return the object in the walk_state, unless the parent is a package -
+ * in this case, the return object will be stored in the parse tree
+ * for the package.
+ */
+ if ((!op->common.parent) ||
+ ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) &&
+ (op->common.parent->common.aml_opcode !=
+ AML_VAR_PACKAGE_OP)
+ && (op->common.parent->common.aml_opcode !=
+ AML_NAME_OP))) {
+ walk_state->result_obj = obj_desc;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_eval_bank_field_operands
+ *
+ * PARAMETERS: walk_state - Current walk
+ * op - A valid bank_field Op object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get bank_field bank_value
+ * Called from acpi_ds_exec_end_op during bank_field parse tree walk
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *operand_desc;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+ union acpi_parse_object *arg;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_eval_bank_field_operands, op);
+
+ /*
+ * This is where we evaluate the bank_value field of the
+ * bank_field declaration
+ */
+
+ /* next_op points to the op that holds the Region */
+
+ next_op = op->common.value.arg;
+
+ /* next_op points to the op that holds the Bank Register */
+
+ next_op = next_op->common.next;
+
+ /* next_op points to the op that holds the Bank Value */
+
+ next_op = next_op->common.next;
+
+ /*
+ * Set proper index into operand stack for acpi_ds_obj_stack_push
+ * invoked inside acpi_ds_create_operand.
+ *
+ * We use walk_state->Operands[0] to store the evaluated bank_value
+ */
+ walk_state->operand_index = 0;
+
+ status = acpi_ds_create_operand(walk_state, next_op, 0);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_ex_resolve_to_value(&walk_state->operands[0], walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
+ acpi_ps_get_opcode_name(op->common.aml_opcode), 1);
+ /*
+ * Get the bank_value operand and save it
+ * (at Top of stack)
+ */
+ operand_desc = walk_state->operands[0];
+
+ /* Arg points to the start Bank Field */
+
+ arg = acpi_ps_get_arg(op, 4);
+ while (arg) {
+
+ /* Ignore OFFSET and ACCESSAS terms here */
+
+ if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
+ node = arg->common.node;
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ obj_desc->bank_field.value =
+ (u32) operand_desc->integer.value;
+ }
+
+ /* Move to next field in the list */
+
+ arg = arg->common.next;
+ }
+
+ acpi_ut_remove_reference(operand_desc);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
new file mode 100644
index 00000000000..9f74795e226
--- /dev/null
+++ b/drivers/acpi/acpica/dsutils.c
@@ -0,0 +1,868 @@
+/*******************************************************************************
+ *
+ * Module Name: dsutils - Dispatcher utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dsutils")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_clear_implicit_return
+ *
+ * PARAMETERS: walk_state - Current State
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Clear and remove a reference on an implicit return value. Used
+ * to delete "stale" return values (if enabled, the return value
+ * from every operator is saved at least momentarily, in case the
+ * parent method exits.)
+ *
+ ******************************************************************************/
+void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state)
+{
+ ACPI_FUNCTION_NAME(ds_clear_implicit_return);
+
+ /*
+ * Slack must be enabled for this feature
+ */
+ if (!acpi_gbl_enable_interpreter_slack) {
+ return;
+ }
+
+ if (walk_state->implicit_return_obj) {
+ /*
+ * Delete any "stale" implicit return. However, in
+ * complex statements, the implicit return value can be
+ * bubbled up several levels.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Removing reference on stale implicit return obj %p\n",
+ walk_state->implicit_return_obj));
+
+ acpi_ut_remove_reference(walk_state->implicit_return_obj);
+ walk_state->implicit_return_obj = NULL;
+ }
+}
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_do_implicit_return
+ *
+ * PARAMETERS: return_desc - The return value
+ * walk_state - Current State
+ * add_reference - True if a reference should be added to the
+ * return object
+ *
+ * RETURN: TRUE if implicit return enabled, FALSE otherwise
+ *
+ * DESCRIPTION: Implements the optional "implicit return". We save the result
+ * of every ASL operator and control method invocation in case the
+ * parent method exit. Before storing a new return value, we
+ * delete the previous return value.
+ *
+ ******************************************************************************/
+
+u8
+acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
+ struct acpi_walk_state *walk_state, u8 add_reference)
+{
+ ACPI_FUNCTION_NAME(ds_do_implicit_return);
+
+ /*
+ * Slack must be enabled for this feature, and we must
+ * have a valid return object
+ */
+ if ((!acpi_gbl_enable_interpreter_slack) || (!return_desc)) {
+ return (FALSE);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result %p will be implicitly returned; Prev=%p\n",
+ return_desc, walk_state->implicit_return_obj));
+
+ /*
+ * Delete any "stale" implicit return value first. However, in
+ * complex statements, the implicit return value can be
+ * bubbled up several levels, so we don't clear the value if it
+ * is the same as the return_desc.
+ */
+ if (walk_state->implicit_return_obj) {
+ if (walk_state->implicit_return_obj == return_desc) {
+ return (TRUE);
+ }
+ acpi_ds_clear_implicit_return(walk_state);
+ }
+
+ /* Save the implicit return value, add a reference if requested */
+
+ walk_state->implicit_return_obj = return_desc;
+ if (add_reference) {
+ acpi_ut_add_reference(return_desc);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_is_result_used
+ *
+ * PARAMETERS: op - Current Op
+ * walk_state - Current State
+ *
+ * RETURN: TRUE if result is used, FALSE otherwise
+ *
+ * DESCRIPTION: Check if a result object will be used by the parent
+ *
+ ******************************************************************************/
+
+u8
+acpi_ds_is_result_used(union acpi_parse_object * op,
+ struct acpi_walk_state * walk_state)
+{
+ const struct acpi_opcode_info *parent_info;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op);
+
+ /* Must have both an Op and a Result Object */
+
+ if (!op) {
+ ACPI_ERROR((AE_INFO, "Null Op"));
+ return_UINT8(TRUE);
+ }
+
+ /*
+ * We know that this operator is not a
+ * Return() operator (would not come here.) The following code is the
+ * optional support for a so-called "implicit return". Some AML code
+ * assumes that the last value of the method is "implicitly" returned
+ * to the caller. Just save the last result as the return value.
+ * NOTE: this is optional because the ASL language does not actually
+ * support this behavior.
+ */
+ (void)acpi_ds_do_implicit_return(walk_state->result_obj, walk_state,
+ TRUE);
+
+ /*
+ * Now determine if the parent will use the result
+ *
+ * If there is no parent, or the parent is a scope_op, we are executing
+ * at the method level. An executing method typically has no parent,
+ * since each method is parsed separately. A method invoked externally
+ * via execute_control_method has a scope_op as the parent.
+ */
+ if ((!op->common.parent) ||
+ (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
+
+ /* No parent, the return value cannot possibly be used */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "At Method level, result of [%s] not used\n",
+ acpi_ps_get_opcode_name(op->common.
+ aml_opcode)));
+ return_UINT8(FALSE);
+ }
+
+ /* Get info on the parent. The root_op is AML_SCOPE */
+
+ parent_info =
+ acpi_ps_get_opcode_info(op->common.parent->common.aml_opcode);
+ if (parent_info->class == AML_CLASS_UNKNOWN) {
+ ACPI_ERROR((AE_INFO, "Unknown parent opcode Op=%p", op));
+ return_UINT8(FALSE);
+ }
+
+ /*
+ * Decide what to do with the result based on the parent. If
+ * the parent opcode will not use the result, delete the object.
+ * Otherwise leave it as is, it will be deleted when it is used
+ * as an operand later.
+ */
+ switch (parent_info->class) {
+ case AML_CLASS_CONTROL:
+
+ switch (op->common.parent->common.aml_opcode) {
+ case AML_RETURN_OP:
+
+ /* Never delete the return value associated with a return opcode */
+
+ goto result_used;
+
+ case AML_IF_OP:
+ case AML_WHILE_OP:
+ /*
+ * If we are executing the predicate AND this is the predicate op,
+ * we will use the return value
+ */
+ if ((walk_state->control_state->common.state ==
+ ACPI_CONTROL_PREDICATE_EXECUTING)
+ && (walk_state->control_state->control.
+ predicate_op == op)) {
+ goto result_used;
+ }
+ break;
+
+ default:
+
+ /* Ignore other control opcodes */
+
+ break;
+ }
+
+ /* The general control opcode returns no result */
+
+ goto result_not_used;
+
+ case AML_CLASS_CREATE:
+ /*
+ * These opcodes allow term_arg(s) as operands and therefore
+ * the operands can be method calls. The result is used.
+ */
+ goto result_used;
+
+ case AML_CLASS_NAMED_OBJECT:
+
+ if ((op->common.parent->common.aml_opcode == AML_REGION_OP) ||
+ (op->common.parent->common.aml_opcode == AML_DATA_REGION_OP)
+ || (op->common.parent->common.aml_opcode == AML_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_VAR_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode == AML_BUFFER_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_INT_EVAL_SUBTREE_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_BANK_FIELD_OP)) {
+ /*
+ * These opcodes allow term_arg(s) as operands and therefore
+ * the operands can be method calls. The result is used.
+ */
+ goto result_used;
+ }
+
+ goto result_not_used;
+
+ default:
+ /*
+ * In all other cases. the parent will actually use the return
+ * object, so keep it.
+ */
+ goto result_used;
+ }
+
+result_used:
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result of [%s] used by Parent [%s] Op=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ acpi_ps_get_opcode_name(op->common.parent->common.
+ aml_opcode), op));
+
+ return_UINT8(TRUE);
+
+result_not_used:
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result of [%s] not used by Parent [%s] Op=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ acpi_ps_get_opcode_name(op->common.parent->common.
+ aml_opcode), op));
+
+ return_UINT8(FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_delete_result_if_not_used
+ *
+ * PARAMETERS: op - Current parse Op
+ * result_obj - Result of the operation
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Used after interpretation of an opcode. If there is an internal
+ * result descriptor, check if the parent opcode will actually use
+ * this result. If not, delete the result now so that it will
+ * not become orphaned.
+ *
+ ******************************************************************************/
+
+void
+acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
+ union acpi_operand_object *result_obj,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj);
+
+ if (!op) {
+ ACPI_ERROR((AE_INFO, "Null Op"));
+ return_VOID;
+ }
+
+ if (!result_obj) {
+ return_VOID;
+ }
+
+ if (!acpi_ds_is_result_used(op, walk_state)) {
+
+ /* Must pop the result stack (obj_desc should be equal to result_obj) */
+
+ status = acpi_ds_result_pop(&obj_desc, walk_state);
+ if (ACPI_SUCCESS(status)) {
+ acpi_ut_remove_reference(result_obj);
+ }
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_resolve_operands
+ *
+ * PARAMETERS: walk_state - Current walk state with operands on stack
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Resolve all operands to their values. Used to prepare
+ * arguments to a control method invocation (a call from one
+ * method to another.)
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state)
+{
+ u32 i;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state);
+
+ /*
+ * Attempt to resolve each of the valid operands
+ * Method arguments are passed by reference, not by value. This means
+ * that the actual objects are passed, not copies of the objects.
+ */
+ for (i = 0; i < walk_state->num_operands; i++) {
+ status =
+ acpi_ex_resolve_to_value(&walk_state->operands[i],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_clear_operands
+ *
+ * PARAMETERS: walk_state - Current walk state with operands on stack
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Clear all operands on the current walk state operand stack.
+ *
+ ******************************************************************************/
+
+void acpi_ds_clear_operands(struct acpi_walk_state *walk_state)
+{
+ u32 i;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state);
+
+ /* Remove a reference on each operand on the stack */
+
+ for (i = 0; i < walk_state->num_operands; i++) {
+ /*
+ * Remove a reference to all operands, including both
+ * "Arguments" and "Targets".
+ */
+ acpi_ut_remove_reference(walk_state->operands[i]);
+ walk_state->operands[i] = NULL;
+ }
+
+ walk_state->num_operands = 0;
+ return_VOID;
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_operand
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * arg - Parse object for the argument
+ * arg_index - Which argument (zero based)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a parse tree object that is an argument to an AML
+ * opcode to the equivalent interpreter object. This may include
+ * looking up a name or entering a new name into the internal
+ * namespace.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_operand(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg, u32 arg_index)
+{
+ acpi_status status = AE_OK;
+ char *name_string;
+ u32 name_length;
+ union acpi_operand_object *obj_desc;
+ union acpi_parse_object *parent_op;
+ u16 opcode;
+ acpi_interpreter_mode interpreter_mode;
+ const struct acpi_opcode_info *op_info;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg);
+
+ /* A valid name must be looked up in the namespace */
+
+ if ((arg->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
+ (arg->common.value.string) &&
+ !(arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n",
+ arg));
+
+ /* Get the entire name string from the AML stream */
+
+ status =
+ acpi_ex_get_name_string(ACPI_TYPE_ANY,
+ arg->common.value.buffer,
+ &name_string, &name_length);
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* All prefixes have been handled, and the name is in name_string */
+
+ /*
+ * Special handling for buffer_field declarations. This is a deferred
+ * opcode that unfortunately defines the field name as the last
+ * parameter instead of the first. We get here when we are performing
+ * the deferred execution, so the actual name of the field is already
+ * in the namespace. We don't want to attempt to look it up again
+ * because we may be executing in a different scope than where the
+ * actual opcode exists.
+ */
+ if ((walk_state->deferred_node) &&
+ (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD)
+ && (arg_index ==
+ (u32) ((walk_state->opcode ==
+ AML_CREATE_FIELD_OP) ? 3 : 2))) {
+ obj_desc =
+ ACPI_CAST_PTR(union acpi_operand_object,
+ walk_state->deferred_node);
+ status = AE_OK;
+ } else { /* All other opcodes */
+
+ /*
+ * Differentiate between a namespace "create" operation
+ * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
+ * IMODE_EXECUTE) in order to support the creation of
+ * namespace objects during the execution of control methods.
+ */
+ parent_op = arg->common.parent;
+ op_info =
+ acpi_ps_get_opcode_info(parent_op->common.
+ aml_opcode);
+ if ((op_info->flags & AML_NSNODE)
+ && (parent_op->common.aml_opcode !=
+ AML_INT_METHODCALL_OP)
+ && (parent_op->common.aml_opcode != AML_REGION_OP)
+ && (parent_op->common.aml_opcode !=
+ AML_INT_NAMEPATH_OP)) {
+
+ /* Enter name into namespace if not found */
+
+ interpreter_mode = ACPI_IMODE_LOAD_PASS2;
+ } else {
+ /* Return a failure if name not found */
+
+ interpreter_mode = ACPI_IMODE_EXECUTE;
+ }
+
+ status =
+ acpi_ns_lookup(walk_state->scope_info, name_string,
+ ACPI_TYPE_ANY, interpreter_mode,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE, walk_state,
+ ACPI_CAST_INDIRECT_PTR(struct
+ acpi_namespace_node,
+ &obj_desc));
+ /*
+ * The only case where we pass through (ignore) a NOT_FOUND
+ * error is for the cond_ref_of opcode.
+ */
+ if (status == AE_NOT_FOUND) {
+ if (parent_op->common.aml_opcode ==
+ AML_COND_REF_OF_OP) {
+ /*
+ * For the Conditional Reference op, it's OK if
+ * the name is not found; We just need a way to
+ * indicate this to the interpreter, set the
+ * object to the root
+ */
+ obj_desc =
+ ACPI_CAST_PTR(union
+ acpi_operand_object,
+ acpi_gbl_root_node);
+ status = AE_OK;
+ } else {
+ /*
+ * We just plain didn't find it -- which is a
+ * very serious error at this point
+ */
+ status = AE_AML_NAME_NOT_FOUND;
+ }
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(name_string, status);
+ }
+ }
+
+ /* Free the namestring created above */
+
+ ACPI_FREE(name_string);
+
+ /* Check status from the lookup */
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Put the resulting object onto the current object stack */
+
+ status = acpi_ds_obj_stack_push(obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (obj_desc, walk_state));
+ } else {
+ /* Check for null name case */
+
+ if ((arg->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
+ !(arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
+ /*
+ * If the name is null, this means that this is an
+ * optional result parameter that was not specified
+ * in the original ASL. Create a Zero Constant for a
+ * placeholder. (Store to a constant is a Noop.)
+ */
+ opcode = AML_ZERO_OP; /* Has no arguments! */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Null namepath: Arg=%p\n", arg));
+ } else {
+ opcode = arg->common.aml_opcode;
+ }
+
+ /* Get the object type of the argument */
+
+ op_info = acpi_ps_get_opcode_info(opcode);
+ if (op_info->object_type == ACPI_TYPE_INVALID) {
+ return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
+ }
+
+ if ((op_info->flags & AML_HAS_RETVAL)
+ || (arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Argument previously created, already stacked\n"));
+
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (walk_state->
+ operands[walk_state->num_operands -
+ 1], walk_state));
+
+ /*
+ * Use value that was already previously returned
+ * by the evaluation of this argument
+ */
+ status = acpi_ds_result_pop(&obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ /*
+ * Only error is underflow, and this indicates
+ * a missing or null operand!
+ */
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Missing or null operand"));
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ /* Create an ACPI_INTERNAL_OBJECT for the argument */
+
+ obj_desc =
+ acpi_ut_create_internal_object(op_info->
+ object_type);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the new object */
+
+ status =
+ acpi_ds_init_object_from_op(walk_state, arg, opcode,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Put the operand object on the object stack */
+
+ status = acpi_ds_obj_stack_push(obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (obj_desc, walk_state));
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_operands
+ *
+ * PARAMETERS: walk_state - Current state
+ * first_arg - First argument of a parser argument tree
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert an operator's arguments from a parse tree format to
+ * namespace objects and place those argument object on the object
+ * stack in preparation for evaluation by the interpreter.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_create_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *first_arg)
+{
+ acpi_status status = AE_OK;
+ union acpi_parse_object *arg;
+ union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS];
+ u32 arg_count = 0;
+ u32 index = walk_state->num_operands;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
+
+ /* Get all arguments in the list */
+
+ arg = first_arg;
+ while (arg) {
+ if (index >= ACPI_OBJ_NUM_OPERANDS) {
+ return_ACPI_STATUS(AE_BAD_DATA);
+ }
+
+ arguments[index] = arg;
+ walk_state->operands[index] = NULL;
+
+ /* Move on to next argument, if any */
+
+ arg = arg->common.next;
+ arg_count++;
+ index++;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "NumOperands %d, ArgCount %d, Index %d\n",
+ walk_state->num_operands, arg_count, index));
+
+ /* Create the interpreter arguments, in reverse order */
+
+ index--;
+ for (i = 0; i < arg_count; i++) {
+ arg = arguments[index];
+ walk_state->operand_index = (u8)index;
+
+ status = acpi_ds_create_operand(walk_state, arg, index);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Created Arg #%u (%p) %u args total\n",
+ index, arg, arg_count));
+ index--;
+ }
+
+ return_ACPI_STATUS(status);
+
+cleanup:
+ /*
+ * We must undo everything done above; meaning that we must
+ * pop everything off of the operand stack and delete those
+ * objects
+ */
+ acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
+
+ ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
+ return_ACPI_STATUS(status);
+}
+
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_ds_evaluate_name_path
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk,
+ * the opcode of current operation should be
+ * AML_INT_NAMEPATH_OP
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate the -name_path- parse tree object to the equivalent
+ * interpreter object, convert it to value, if needed, duplicate
+ * it, if needed, and push it onto the current result stack.
+ *
+ ****************************************************************************/
+
+acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_parse_object *op = walk_state->op;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *new_obj_desc;
+ u8 type;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_evaluate_name_path, walk_state);
+
+ if (!op->common.parent) {
+
+ /* This happens after certain exception processing */
+
+ goto exit;
+ }
+
+ if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
+ (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP) ||
+ (op->common.parent->common.aml_opcode == AML_REF_OF_OP)) {
+
+ /* TBD: Should we specify this feature as a bit of op_info->Flags of these opcodes? */
+
+ goto exit;
+ }
+
+ status = acpi_ds_create_operand(walk_state, op, 0);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ if (op->common.flags & ACPI_PARSEOP_TARGET) {
+ new_obj_desc = *operand;
+ goto push_result;
+ }
+
+ type = (*operand)->common.type;
+
+ status = acpi_ex_resolve_to_value(operand, walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ if (type == ACPI_TYPE_INTEGER) {
+
+ /* It was incremented by acpi_ex_resolve_to_value */
+
+ acpi_ut_remove_reference(*operand);
+
+ status =
+ acpi_ut_copy_iobject_to_iobject(*operand, &new_obj_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+ } else {
+ /*
+ * The object either was anew created or is
+ * a Namespace node - don't decrement it.
+ */
+ new_obj_desc = *operand;
+ }
+
+ /* Cleanup for name-path operand */
+
+ status = acpi_ds_obj_stack_pop(1, walk_state);
+ if (ACPI_FAILURE(status)) {
+ walk_state->result_obj = new_obj_desc;
+ goto exit;
+ }
+
+push_result:
+
+ walk_state->result_obj = new_obj_desc;
+
+ status = acpi_ds_result_push(walk_state->result_obj, walk_state);
+ if (ACPI_SUCCESS(status)) {
+
+ /* Force to take it from stack */
+
+ op->common.flags |= ACPI_PARSEOP_IN_STACK;
+ }
+
+exit:
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
new file mode 100644
index 00000000000..f7f5107e754
--- /dev/null
+++ b/drivers/acpi/acpica/dswexec.c
@@ -0,0 +1,759 @@
+/******************************************************************************
+ *
+ * Module Name: dswexec - Dispatcher method execution callbacks;
+ * dispatch to interpreter.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswexec")
+
+/*
+ * Dispatch table for opcode classes
+ */
+static acpi_execute_op acpi_gbl_op_type_dispatch[] = {
+ acpi_ex_opcode_0A_0T_1R,
+ acpi_ex_opcode_1A_0T_0R,
+ acpi_ex_opcode_1A_0T_1R,
+ acpi_ex_opcode_1A_1T_0R,
+ acpi_ex_opcode_1A_1T_1R,
+ acpi_ex_opcode_2A_0T_0R,
+ acpi_ex_opcode_2A_0T_1R,
+ acpi_ex_opcode_2A_1T_1R,
+ acpi_ex_opcode_2A_2T_1R,
+ acpi_ex_opcode_3A_0T_0R,
+ acpi_ex_opcode_3A_1T_1R,
+ acpi_ex_opcode_6A_0T_1R
+};
+
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_predicate_value
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * result_obj - if non-zero, pop result from result stack
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get the result of a predicate evaluation
+ *
+ ****************************************************************************/
+
+acpi_status
+acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *result_obj)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *local_obj_desc = NULL;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_get_predicate_value, walk_state);
+
+ walk_state->control_state->common.state = 0;
+
+ if (result_obj) {
+ status = acpi_ds_result_pop(&obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not get result from predicate evaluation"));
+
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ status = acpi_ds_create_operand(walk_state, walk_state->op, 0);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status =
+ acpi_ex_resolve_to_value(&walk_state->operands[0],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ obj_desc = walk_state->operands[0];
+ }
+
+ if (!obj_desc) {
+ ACPI_ERROR((AE_INFO,
+ "No predicate ObjDesc=%p State=%p",
+ obj_desc, walk_state));
+
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ /*
+ * Result of predicate evaluation must be an Integer
+ * object. Implicitly convert the argument if necessary.
+ */
+ status = acpi_ex_convert_to_integer(obj_desc, &local_obj_desc, 16);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ if (local_obj_desc->common.type != ACPI_TYPE_INTEGER) {
+ ACPI_ERROR((AE_INFO,
+ "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
+ obj_desc, walk_state, obj_desc->common.type));
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ /* Truncate the predicate to 32-bits if necessary */
+
+ (void)acpi_ex_truncate_for32bit_table(local_obj_desc);
+
+ /*
+ * Save the result of the predicate evaluation on
+ * the control stack
+ */
+ if (local_obj_desc->integer.value) {
+ walk_state->control_state->common.value = TRUE;
+ } else {
+ /*
+ * Predicate is FALSE, we will just toss the
+ * rest of the package
+ */
+ walk_state->control_state->common.value = FALSE;
+ status = AE_CTRL_FALSE;
+ }
+
+ /* Predicate can be used for an implicit return value */
+
+ (void)acpi_ds_do_implicit_return(local_obj_desc, walk_state, TRUE);
+
+cleanup:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
+ walk_state->control_state->common.value,
+ walk_state->op));
+
+ /* Break to debugger to display result */
+
+ ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
+ (local_obj_desc, walk_state));
+
+ /*
+ * Delete the predicate result object (we know that
+ * we don't need it anymore)
+ */
+ if (local_obj_desc != obj_desc) {
+ acpi_ut_remove_reference(local_obj_desc);
+ }
+ acpi_ut_remove_reference(obj_desc);
+
+ walk_state->control_state->common.state = ACPI_CONTROL_NORMAL;
+ return_ACPI_STATUS(status);
+}
+
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_ds_exec_begin_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Where to return op if a new one is created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the execution of control
+ * methods. This is where most operators and operands are
+ * dispatched to the interpreter.
+ *
+ ****************************************************************************/
+
+acpi_status
+acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
+{
+ union acpi_parse_object *op;
+ acpi_status status = AE_OK;
+ u32 opcode_class;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_exec_begin_op, walk_state);
+
+ op = walk_state->op;
+ if (!op) {
+ status = acpi_ds_load2_begin_op(walk_state, out_op);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+
+ op = *out_op;
+ walk_state->op = op;
+ walk_state->opcode = op->common.aml_opcode;
+ walk_state->op_info =
+ acpi_ps_get_opcode_info(op->common.aml_opcode);
+
+ if (acpi_ns_opens_scope(walk_state->op_info->object_type)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "(%s) Popping scope for Op %p\n",
+ acpi_ut_get_type_name(walk_state->
+ op_info->
+ object_type),
+ op));
+
+ status = acpi_ds_scope_stack_pop(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+ }
+ }
+
+ if (op == walk_state->origin) {
+ if (out_op) {
+ *out_op = op;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * If the previous opcode was a conditional, this opcode
+ * must be the beginning of the associated predicate.
+ * Save this knowledge in the current scope descriptor
+ */
+ if ((walk_state->control_state) &&
+ (walk_state->control_state->common.state ==
+ ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Exec predicate Op=%p State=%p\n", op,
+ walk_state));
+
+ walk_state->control_state->common.state =
+ ACPI_CONTROL_PREDICATE_EXECUTING;
+
+ /* Save start of predicate */
+
+ walk_state->control_state->control.predicate_op = op;
+ }
+
+ opcode_class = walk_state->op_info->class;
+
+ /* We want to send namepaths to the load code */
+
+ if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
+ opcode_class = AML_CLASS_NAMED_OBJECT;
+ }
+
+ /*
+ * Handle the opcode based upon the opcode type
+ */
+ switch (opcode_class) {
+ case AML_CLASS_CONTROL:
+
+ status = acpi_ds_exec_begin_control_op(walk_state, op);
+ break;
+
+ case AML_CLASS_NAMED_OBJECT:
+
+ if (walk_state->walk_type & ACPI_WALK_METHOD) {
+ /*
+ * Found a named object declaration during method execution;
+ * we must enter this object into the namespace. The created
+ * object is temporary and will be deleted upon completion of
+ * the execution of this method.
+ *
+ * Note 10/2010: Except for the Scope() op. This opcode does
+ * not actually create a new object, it refers to an existing
+ * object. However, for Scope(), we want to indeed open a
+ * new scope.
+ */
+ if (op->common.aml_opcode != AML_SCOPE_OP) {
+ status =
+ acpi_ds_load2_begin_op(walk_state, NULL);
+ } else {
+ status =
+ acpi_ds_scope_stack_push(op->named.node,
+ op->named.node->
+ type, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ }
+ break;
+
+ case AML_CLASS_EXECUTE:
+ case AML_CLASS_CREATE:
+
+ break;
+
+ default:
+
+ break;
+ }
+
+ /* Nothing to do here during method execution */
+
+ return_ACPI_STATUS(status);
+
+error_exit:
+ status = acpi_ds_method_error(status, walk_state);
+ return_ACPI_STATUS(status);
+}
+
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_ds_exec_end_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Ascending callback used during the execution of control
+ * methods. The only thing we really need to do here is to
+ * notice the beginning of IF, ELSE, and WHILE blocks.
+ *
+ ****************************************************************************/
+
+acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
+{
+ union acpi_parse_object *op;
+ acpi_status status = AE_OK;
+ u32 op_type;
+ u32 op_class;
+ union acpi_parse_object *next_op;
+ union acpi_parse_object *first_arg;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state);
+
+ op = walk_state->op;
+ op_type = walk_state->op_info->type;
+ op_class = walk_state->op_info->class;
+
+ if (op_class == AML_CLASS_UNKNOWN) {
+ ACPI_ERROR((AE_INFO, "Unknown opcode 0x%X",
+ op->common.aml_opcode));
+ return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
+ }
+
+ first_arg = op->common.value.arg;
+
+ /* Init the walk state */
+
+ walk_state->num_operands = 0;
+ walk_state->operand_index = 0;
+ walk_state->return_desc = NULL;
+ walk_state->result_obj = NULL;
+
+ /* Call debugger for single step support (DEBUG build only) */
+
+ ACPI_DEBUGGER_EXEC(status =
+ acpi_db_single_step(walk_state, op, op_class));
+ ACPI_DEBUGGER_EXEC(if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);}
+ ) ;
+
+ /* Decode the Opcode Class */
+
+ switch (op_class) {
+ case AML_CLASS_ARGUMENT: /* Constants, literals, etc. */
+
+ if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
+ status = acpi_ds_evaluate_name_path(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ }
+ break;
+
+ case AML_CLASS_EXECUTE: /* Most operators with arguments */
+
+ /* Build resolved operand stack */
+
+ status = acpi_ds_create_operands(walk_state, first_arg);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * All opcodes require operand resolution, with the only exceptions
+ * being the object_type and size_of operators.
+ */
+ if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) {
+
+ /* Resolve all operands */
+
+ status = acpi_ex_resolve_operands(walk_state->opcode,
+ &(walk_state->
+ operands
+ [walk_state->
+ num_operands - 1]),
+ walk_state);
+ }
+
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * Dispatch the request to the appropriate interpreter handler
+ * routine. There is one routine per opcode "type" based upon the
+ * number of opcode arguments and return type.
+ */
+ status =
+ acpi_gbl_op_type_dispatch[op_type] (walk_state);
+ } else {
+ /*
+ * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
+ * Local is uninitialized.
+ */
+ if ((status == AE_AML_UNINITIALIZED_LOCAL) &&
+ (walk_state->opcode == AML_STORE_OP) &&
+ (walk_state->operands[0]->common.type ==
+ ACPI_TYPE_LOCAL_REFERENCE)
+ && (walk_state->operands[1]->common.type ==
+ ACPI_TYPE_LOCAL_REFERENCE)
+ && (walk_state->operands[0]->reference.class ==
+ walk_state->operands[1]->reference.class)
+ && (walk_state->operands[0]->reference.value ==
+ walk_state->operands[1]->reference.value)) {
+ status = AE_OK;
+ } else {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While resolving operands for [%s]",
+ acpi_ps_get_opcode_name
+ (walk_state->opcode)));
+ }
+ }
+
+ /* Always delete the argument objects and clear the operand stack */
+
+ acpi_ds_clear_operands(walk_state);
+
+ /*
+ * If a result object was returned from above, push it on the
+ * current result stack
+ */
+ if (ACPI_SUCCESS(status) && walk_state->result_obj) {
+ status =
+ acpi_ds_result_push(walk_state->result_obj,
+ walk_state);
+ }
+ break;
+
+ default:
+
+ switch (op_type) {
+ case AML_TYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
+
+ /* 1 Operand, 0 external_result, 0 internal_result */
+
+ status = acpi_ds_exec_end_control_op(walk_state, op);
+
+ break;
+
+ case AML_TYPE_METHOD_CALL:
+ /*
+ * If the method is referenced from within a package
+ * declaration, it is not a invocation of the method, just
+ * a reference to it.
+ */
+ if ((op->asl.parent) &&
+ ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP)
+ || (op->asl.parent->asl.aml_opcode ==
+ AML_VAR_PACKAGE_OP))) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Method Reference in a Package, Op=%p\n",
+ op));
+
+ op->common.node =
+ (struct acpi_namespace_node *)op->asl.value.
+ arg->asl.node;
+ acpi_ut_add_reference(op->asl.value.arg->asl.
+ node->object);
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Method invocation, Op=%p\n", op));
+
+ /*
+ * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
+ * the method Node pointer
+ */
+ /* next_op points to the op that holds the method name */
+
+ next_op = first_arg;
+
+ /* next_op points to first argument op */
+
+ next_op = next_op->common.next;
+
+ /*
+ * Get the method's arguments and put them on the operand stack
+ */
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+
+ /*
+ * Since the operands will be passed to another control method,
+ * we must resolve all local references here (Local variables,
+ * arguments to *this* method, etc.)
+ */
+ status = acpi_ds_resolve_operands(walk_state);
+ if (ACPI_FAILURE(status)) {
+
+ /* On error, clear all resolved operands */
+
+ acpi_ds_clear_operands(walk_state);
+ break;
+ }
+
+ /*
+ * Tell the walk loop to preempt this running method and
+ * execute the new method
+ */
+ status = AE_CTRL_TRANSFER;
+
+ /*
+ * Return now; we don't want to disturb anything,
+ * especially the operand count!
+ */
+ return_ACPI_STATUS(status);
+
+ case AML_TYPE_CREATE_FIELD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Executing CreateField Buffer/Index Op=%p\n",
+ op));
+
+ status = acpi_ds_load2_end_op(walk_state);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+
+ status =
+ acpi_ds_eval_buffer_field_operands(walk_state, op);
+ break;
+
+ case AML_TYPE_CREATE_OBJECT:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Executing CreateObject (Buffer/Package) Op=%p\n",
+ op));
+
+ switch (op->common.parent->common.aml_opcode) {
+ case AML_NAME_OP:
+ /*
+ * Put the Node on the object stack (Contains the ACPI Name
+ * of this object)
+ */
+ walk_state->operands[0] =
+ (void *)op->common.parent->common.node;
+ walk_state->num_operands = 1;
+
+ status = acpi_ds_create_node(walk_state,
+ op->common.parent->
+ common.node,
+ op->common.parent);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+
+ /* Fall through */
+ /*lint -fallthrough */
+
+ case AML_INT_EVAL_SUBTREE_OP:
+
+ status =
+ acpi_ds_eval_data_object_operands
+ (walk_state, op,
+ acpi_ns_get_attached_object(op->common.
+ parent->common.
+ node));
+ break;
+
+ default:
+
+ status =
+ acpi_ds_eval_data_object_operands
+ (walk_state, op, NULL);
+ break;
+ }
+
+ /*
+ * If a result object was returned from above, push it on the
+ * current result stack
+ */
+ if (walk_state->result_obj) {
+ status =
+ acpi_ds_result_push(walk_state->result_obj,
+ walk_state);
+ }
+ break;
+
+ case AML_TYPE_NAMED_FIELD:
+ case AML_TYPE_NAMED_COMPLEX:
+ case AML_TYPE_NAMED_SIMPLE:
+ case AML_TYPE_NAMED_NO_OBJ:
+
+ status = acpi_ds_load2_end_op(walk_state);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Executing OpRegion Address/Length Op=%p\n",
+ op));
+
+ status =
+ acpi_ds_eval_region_operands(walk_state,
+ op);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ } else if (op->common.aml_opcode == AML_DATA_REGION_OP) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Executing DataTableRegion Strings Op=%p\n",
+ op));
+
+ status =
+ acpi_ds_eval_table_region_operands
+ (walk_state, op);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ } else if (op->common.aml_opcode == AML_BANK_FIELD_OP) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Executing BankField Op=%p\n",
+ op));
+
+ status =
+ acpi_ds_eval_bank_field_operands(walk_state,
+ op);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ }
+ break;
+
+ case AML_TYPE_UNDEFINED:
+
+ ACPI_ERROR((AE_INFO,
+ "Undefined opcode type Op=%p", op));
+ return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
+
+ case AML_TYPE_BOGUS:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Internal opcode=%X type Op=%p\n",
+ walk_state->opcode, op));
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unimplemented opcode, class=0x%X type=0x%X Opcode=0x%X Op=%p",
+ op_class, op_type, op->common.aml_opcode,
+ op));
+
+ status = AE_NOT_IMPLEMENTED;
+ break;
+ }
+ }
+
+ /*
+ * ACPI 2.0 support for 64-bit integers: Truncate numeric
+ * result value if we are executing from a 32-bit ACPI table
+ */
+ (void)acpi_ex_truncate_for32bit_table(walk_state->result_obj);
+
+ /*
+ * Check if we just completed the evaluation of a
+ * conditional predicate
+ */
+ if ((ACPI_SUCCESS(status)) &&
+ (walk_state->control_state) &&
+ (walk_state->control_state->common.state ==
+ ACPI_CONTROL_PREDICATE_EXECUTING) &&
+ (walk_state->control_state->control.predicate_op == op)) {
+ status =
+ acpi_ds_get_predicate_value(walk_state,
+ walk_state->result_obj);
+ walk_state->result_obj = NULL;
+ }
+
+cleanup:
+
+ if (walk_state->result_obj) {
+
+ /* Break to debugger to display result */
+
+ ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
+ (walk_state->result_obj, walk_state));
+
+ /*
+ * Delete the result op if and only if:
+ * Parent will not use the result -- such as any
+ * non-nested type2 op in a method (parent will be method)
+ */
+ acpi_ds_delete_result_if_not_used(op, walk_state->result_obj,
+ walk_state);
+ }
+#ifdef _UNDER_DEVELOPMENT
+
+ if (walk_state->parser_state.aml == walk_state->parser_state.aml_end) {
+ acpi_db_method_end(walk_state);
+ }
+#endif
+
+ /* Invoke exception handler on error */
+
+ if (ACPI_FAILURE(status)) {
+ status = acpi_ds_method_error(status, walk_state);
+ }
+
+ /* Always clear the object stack */
+
+ walk_state->num_operands = 0;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
new file mode 100644
index 00000000000..15623da2620
--- /dev/null
+++ b/drivers/acpi/acpica/dswload.c
@@ -0,0 +1,570 @@
+/******************************************************************************
+ *
+ * Module Name: dswload - Dispatcher first pass namespace load callbacks
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+#ifdef ACPI_ASL_COMPILER
+#include "acdisasm.h"
+#endif
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswload")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_callbacks
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * pass_number - 1, 2, or 3
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Init walk state callbacks
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
+{
+
+ switch (pass_number) {
+ case 0:
+
+ /* Parse only - caller will setup callbacks */
+
+ walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
+ ACPI_PARSE_DELETE_TREE | ACPI_PARSE_DISASSEMBLE;
+ walk_state->descending_callback = NULL;
+ walk_state->ascending_callback = NULL;
+ break;
+
+ case 1:
+
+ /* Load pass 1 */
+
+ walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
+ ACPI_PARSE_DELETE_TREE;
+ walk_state->descending_callback = acpi_ds_load1_begin_op;
+ walk_state->ascending_callback = acpi_ds_load1_end_op;
+ break;
+
+ case 2:
+
+ /* Load pass 2 */
+
+ walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
+ ACPI_PARSE_DELETE_TREE;
+ walk_state->descending_callback = acpi_ds_load2_begin_op;
+ walk_state->ascending_callback = acpi_ds_load2_end_op;
+ break;
+
+ case 3:
+
+ /* Execution pass */
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
+ ACPI_PARSE_DELETE_TREE;
+ walk_state->descending_callback = acpi_ds_exec_begin_op;
+ walk_state->ascending_callback = acpi_ds_exec_end_op;
+#endif
+ break;
+
+ default:
+
+ return (AE_BAD_PARAMETER);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load1_begin_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Where to return op if a new one is created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
+ union acpi_parse_object ** out_op)
+{
+ union acpi_parse_object *op;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ acpi_object_type object_type;
+ char *path;
+ u32 flags;
+
+ ACPI_FUNCTION_TRACE(ds_load1_begin_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
+ walk_state));
+
+ /* We are only interested in opcodes that have an associated name */
+
+ if (op) {
+ if (!(walk_state->op_info->flags & AML_NAMED)) {
+ *out_op = op;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Check if this object has already been installed in the namespace */
+
+ if (op->common.node) {
+ *out_op = op;
+ return_ACPI_STATUS(AE_OK);
+ }
+ }
+
+ path = acpi_ps_get_next_namestring(&walk_state->parser_state);
+
+ /* Map the raw opcode into an internal object type */
+
+ object_type = walk_state->op_info->object_type;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "State=%p Op=%p [%s]\n", walk_state, op,
+ acpi_ut_get_type_name(object_type)));
+
+ switch (walk_state->opcode) {
+ case AML_SCOPE_OP:
+ /*
+ * The target name of the Scope() operator must exist at this point so
+ * that we can actually open the scope to enter new names underneath it.
+ * Allow search-to-root for single namesegs.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, path, object_type,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+ walk_state, &(node));
+#ifdef ACPI_ASL_COMPILER
+ if (status == AE_NOT_FOUND) {
+ /*
+ * Table disassembly:
+ * Target of Scope() not found. Generate an External for it, and
+ * insert the name into the namespace.
+ */
+ acpi_dm_add_op_to_external_list(op, path,
+ ACPI_TYPE_DEVICE, 0, 0);
+ status =
+ acpi_ns_lookup(walk_state->scope_info, path,
+ object_type, ACPI_IMODE_LOAD_PASS1,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &node);
+ }
+#endif
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Check to make sure that the target is
+ * one of the opcodes that actually opens a scope
+ */
+ switch (node->type) {
+ case ACPI_TYPE_ANY:
+ case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+
+ /* These are acceptable types */
+ break;
+
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ /*
+ * These types we will allow, but we will change the type.
+ * This enables some existing code of the form:
+ *
+ * Name (DEB, 0)
+ * Scope (DEB) { ... }
+ *
+ * Note: silently change the type here. On the second pass,
+ * we will report a warning
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Type override - [%4.4s] had invalid type (%s) "
+ "for Scope operator, changed to type ANY\n",
+ acpi_ut_get_node_name(node),
+ acpi_ut_get_type_name(node->type)));
+
+ node->type = ACPI_TYPE_ANY;
+ walk_state->scope_info->common.value = ACPI_TYPE_ANY;
+ break;
+
+ case ACPI_TYPE_METHOD:
+ /*
+ * Allow scope change to root during execution of module-level
+ * code. Root is typed METHOD during this time.
+ */
+ if ((node == acpi_gbl_root_node) &&
+ (walk_state->
+ parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ break;
+ }
+
+ /*lint -fallthrough */
+
+ default:
+
+ /* All other types are an error */
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid type (%s) for target of "
+ "Scope operator [%4.4s] (Cannot override)",
+ acpi_ut_get_type_name(node->type),
+ acpi_ut_get_node_name(node)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ break;
+
+ default:
+ /*
+ * For all other named opcodes, we will enter the name into
+ * the namespace.
+ *
+ * Setup the search flags.
+ * Since we are entering a name into the namespace, we do not want to
+ * enable the search-to-root upsearch.
+ *
+ * There are only two conditions where it is acceptable that the name
+ * already exists:
+ * 1) the Scope() operator can reopen a scoping object that was
+ * previously defined (Scope, Method, Device, etc.)
+ * 2) Whenever we are parsing a deferred opcode (op_region, Buffer,
+ * buffer_field, or Package), the name of the object is already
+ * in the namespace.
+ */
+ if (walk_state->deferred_node) {
+
+ /* This name is already in the namespace, get the node */
+
+ node = walk_state->deferred_node;
+ status = AE_OK;
+ break;
+ }
+
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (walk_state->method_node) {
+ node = NULL;
+ status = AE_OK;
+ break;
+ }
+
+ flags = ACPI_NS_NO_UPSEARCH;
+ if ((walk_state->opcode != AML_SCOPE_OP) &&
+ (!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
+ flags |= ACPI_NS_ERROR_IF_FOUND;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[%s] Cannot already exist\n",
+ acpi_ut_get_type_name(object_type)));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[%s] Both Find or Create allowed\n",
+ acpi_ut_get_type_name(object_type)));
+ }
+
+ /*
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
+ * involve arguments to the opcode must be created as we go back up the
+ * parse tree later.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, path, object_type,
+ ACPI_IMODE_LOAD_PASS1, flags, walk_state,
+ &node);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_ALREADY_EXISTS) {
+
+ /* The name already exists in this scope */
+
+ if (node->flags & ANOBJ_IS_EXTERNAL) {
+ /*
+ * Allow one create on an object or segment that was
+ * previously declared External
+ */
+ node->flags &= ~ANOBJ_IS_EXTERNAL;
+ node->type = (u8) object_type;
+
+ /* Just retyped a node, probably will need to open a scope */
+
+ if (acpi_ns_opens_scope(object_type)) {
+ status =
+ acpi_ds_scope_stack_push
+ (node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS
+ (status);
+ }
+ }
+
+ status = AE_OK;
+ }
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
+ }
+ }
+ break;
+ }
+
+ /* Common exit */
+
+ if (!op) {
+
+ /* Create a new op */
+
+ op = acpi_ps_alloc_op(walk_state->opcode);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+ }
+
+ /* Initialize the op */
+
+#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
+ op->named.path = ACPI_CAST_PTR(u8, path);
+#endif
+
+ if (node) {
+ /*
+ * Put the Node in the "op" object that the parser uses, so we
+ * can get it again quickly when this scope is closed
+ */
+ op->common.node = node;
+ op->named.name = node->name.integer;
+ }
+
+ acpi_ps_append_arg(acpi_ps_get_parent_scope(&walk_state->parser_state),
+ op);
+ *out_op = op;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load1_end_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Ascending callback used during the loading of the namespace,
+ * both control methods and everything else.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
+{
+ union acpi_parse_object *op;
+ acpi_object_type object_type;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ds_load1_end_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
+ walk_state));
+
+ /* We are only interested in opcodes that have an associated name */
+
+ if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the object type to determine if we should pop the scope */
+
+ object_type = walk_state->op_info->object_type;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+ if (walk_state->op_info->flags & AML_FIELD) {
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (walk_state->opcode == AML_FIELD_OP ||
+ walk_state->opcode == AML_BANK_FIELD_OP ||
+ walk_state->opcode == AML_INDEX_FIELD_OP) {
+ status =
+ acpi_ds_init_field_objects(op, walk_state);
+ }
+ }
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ (acpi_adr_space_type) ((op->
+ common.
+ value.
+ arg)->
+ common.
+ value.
+ integer),
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ } else if (op->common.aml_opcode == AML_DATA_REGION_OP) {
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ ACPI_ADR_SPACE_DATA_TABLE,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ }
+#endif
+
+ if (op->common.aml_opcode == AML_NAME_OP) {
+
+ /* For Name opcode, get the object type from the argument */
+
+ if (op->common.value.arg) {
+ object_type = (acpi_ps_get_opcode_info((op->common.
+ value.arg)->
+ common.
+ aml_opcode))->
+ object_type;
+
+ /* Set node type if we have a namespace node */
+
+ if (op->common.node) {
+ op->common.node->type = (u8) object_type;
+ }
+ }
+ }
+
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (op->common.aml_opcode == AML_METHOD_OP) {
+ /*
+ * method_op pkg_length name_string method_flags term_list
+ *
+ * Note: We must create the method node/object pair as soon as we
+ * see the method declaration. This allows later pass1 parsing
+ * of invocations of the method (need to know the number of
+ * arguments.)
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
+ walk_state, op, op->named.node));
+
+ if (!acpi_ns_get_attached_object(op->named.node)) {
+ walk_state->operands[0] =
+ ACPI_CAST_PTR(void, op->named.node);
+ walk_state->num_operands = 1;
+
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.
+ arg);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_create_method(op->named.
+ data,
+ op->named.
+ length,
+ walk_state);
+ }
+
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ }
+ }
+
+ /* Pop the scope stack (only if loading a table) */
+
+ if (!walk_state->method_node && acpi_ns_opens_scope(object_type)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "(%s): Popping scope for Op %p\n",
+ acpi_ut_get_type_name(object_type), op));
+
+ status = acpi_ds_scope_stack_pop(walk_state);
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
new file mode 100644
index 00000000000..2ac28d29730
--- /dev/null
+++ b/drivers/acpi/acpica/dswload2.c
@@ -0,0 +1,738 @@
+/******************************************************************************
+ *
+ * Module Name: dswload2 - Dispatcher second pass namespace load callbacks
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswload2")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load2_begin_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Wher to return op if a new one is created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
+{
+ union acpi_parse_object *op;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ acpi_object_type object_type;
+ char *buffer_ptr;
+ u32 flags;
+
+ ACPI_FUNCTION_TRACE(ds_load2_begin_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
+ walk_state));
+
+ if (op) {
+ if ((walk_state->control_state) &&
+ (walk_state->control_state->common.state ==
+ ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
+
+ /* We are executing a while loop outside of a method */
+
+ status = acpi_ds_exec_begin_op(walk_state, out_op);
+ return_ACPI_STATUS(status);
+ }
+
+ /* We only care about Namespace opcodes here */
+
+ if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
+ (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
+ (!(walk_state->op_info->flags & AML_NAMED))) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the name we are going to enter or lookup in the namespace */
+
+ if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
+
+ /* For Namepath op, get the path string */
+
+ buffer_ptr = op->common.value.string;
+ if (!buffer_ptr) {
+
+ /* No name, just exit */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+ } else {
+ /* Get name from the op */
+
+ buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
+ }
+ } else {
+ /* Get the namestring from the raw AML */
+
+ buffer_ptr =
+ acpi_ps_get_next_namestring(&walk_state->parser_state);
+ }
+
+ /* Map the opcode into an internal object type */
+
+ object_type = walk_state->op_info->object_type;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "State=%p Op=%p Type=%X\n", walk_state, op,
+ object_type));
+
+ switch (walk_state->opcode) {
+ case AML_FIELD_OP:
+ case AML_BANK_FIELD_OP:
+ case AML_INDEX_FIELD_OP:
+
+ node = NULL;
+ status = AE_OK;
+ break;
+
+ case AML_INT_NAMEPATH_OP:
+ /*
+ * The name_path is an object reference to an existing object.
+ * Don't enter the name into the namespace, but look it up
+ * for use later.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state, &(node));
+ break;
+
+ case AML_SCOPE_OP:
+
+ /* Special case for Scope(\) -> refers to the Root node */
+
+ if (op && (op->named.node == acpi_gbl_root_node)) {
+ node = op->named.node;
+
+ status =
+ acpi_ds_scope_stack_push(node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ /*
+ * The Path is an object reference to an existing object.
+ * Don't enter the name into the namespace, but look it up
+ * for use later.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &(node));
+ if (ACPI_FAILURE(status)) {
+#ifdef ACPI_ASL_COMPILER
+ if (status == AE_NOT_FOUND) {
+ status = AE_OK;
+ } else {
+ ACPI_ERROR_NAMESPACE(buffer_ptr,
+ status);
+ }
+#else
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+#endif
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * We must check to make sure that the target is
+ * one of the opcodes that actually opens a scope
+ */
+ switch (node->type) {
+ case ACPI_TYPE_ANY:
+ case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+
+ /* These are acceptable types */
+ break;
+
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /*
+ * These types we will allow, but we will change the type.
+ * This enables some existing code of the form:
+ *
+ * Name (DEB, 0)
+ * Scope (DEB) { ... }
+ */
+ ACPI_WARNING((AE_INFO,
+ "Type override - [%4.4s] had invalid type (%s) "
+ "for Scope operator, changed to type ANY",
+ acpi_ut_get_node_name(node),
+ acpi_ut_get_type_name(node->type)));
+
+ node->type = ACPI_TYPE_ANY;
+ walk_state->scope_info->common.value = ACPI_TYPE_ANY;
+ break;
+
+ case ACPI_TYPE_METHOD:
+
+ /*
+ * Allow scope change to root during execution of module-level
+ * code. Root is typed METHOD during this time.
+ */
+ if ((node == acpi_gbl_root_node) &&
+ (walk_state->
+ parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ break;
+ }
+
+ /*lint -fallthrough */
+
+ default:
+
+ /* All other types are an error */
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid type (%s) for target of "
+ "Scope operator [%4.4s] (Cannot override)",
+ acpi_ut_get_type_name(node->type),
+ acpi_ut_get_node_name(node)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ break;
+
+ default:
+
+ /* All other opcodes */
+
+ if (op && op->common.node) {
+
+ /* This op/node was previously entered into the namespace */
+
+ node = op->common.node;
+
+ if (acpi_ns_opens_scope(object_type)) {
+ status =
+ acpi_ds_scope_stack_push(node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
+ * involve arguments to the opcode must be created as we go back up the
+ * parse tree later.
+ *
+ * Note: Name may already exist if we are executing a deferred opcode.
+ */
+ if (walk_state->deferred_node) {
+
+ /* This name is already in the namespace, get the node */
+
+ node = walk_state->deferred_node;
+ status = AE_OK;
+ break;
+ }
+
+ flags = ACPI_NS_NO_UPSEARCH;
+ if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
+
+ /* Execution mode, node cannot already exist, node is temporary */
+
+ flags |= ACPI_NS_ERROR_IF_FOUND;
+
+ if (!
+ (walk_state->
+ parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ flags |= ACPI_NS_TEMPORARY;
+ }
+ }
+
+ /* Add new entry or lookup existing entry */
+
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_LOAD_PASS2, flags,
+ walk_state, &node);
+
+ if (ACPI_SUCCESS(status) && (flags & ACPI_NS_TEMPORARY)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "***New Node [%4.4s] %p is temporary\n",
+ acpi_ut_get_node_name(node), node));
+ }
+ break;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+ return_ACPI_STATUS(status);
+ }
+
+ if (!op) {
+
+ /* Create a new op */
+
+ op = acpi_ps_alloc_op(walk_state->opcode);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the new op */
+
+ if (node) {
+ op->named.name = node->name.integer;
+ }
+ *out_op = op;
+ }
+
+ /*
+ * Put the Node in the "op" object that the parser uses, so we
+ * can get it again quickly when this scope is closed
+ */
+ op->common.node = node;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load2_end_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Ascending callback used during the loading of the namespace,
+ * both control methods and everything else.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
+{
+ union acpi_parse_object *op;
+ acpi_status status = AE_OK;
+ acpi_object_type object_type;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *arg;
+ struct acpi_namespace_node *new_node;
+#ifndef ACPI_NO_METHOD_EXECUTION
+ u32 i;
+ u8 region_space;
+#endif
+
+ ACPI_FUNCTION_TRACE(ds_load2_end_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
+ walk_state->op_info->name, op, walk_state));
+
+ /* Check if opcode had an associated namespace object */
+
+ if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (op->common.aml_opcode == AML_SCOPE_OP) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Ending scope Op=%p State=%p\n", op,
+ walk_state));
+ }
+
+ object_type = walk_state->op_info->object_type;
+
+ /*
+ * Get the Node/name from the earlier lookup
+ * (It was saved in the *op structure)
+ */
+ node = op->common.node;
+
+ /*
+ * Put the Node on the object stack (Contains the ACPI Name of
+ * this object)
+ */
+ walk_state->operands[0] = (void *)node;
+ walk_state->num_operands = 1;
+
+ /* Pop the scope stack */
+
+ if (acpi_ns_opens_scope(object_type) &&
+ (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "(%s) Popping scope for Op %p\n",
+ acpi_ut_get_type_name(object_type), op));
+
+ status = acpi_ds_scope_stack_pop(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ }
+
+ /*
+ * Named operations are as follows:
+ *
+ * AML_ALIAS
+ * AML_BANKFIELD
+ * AML_CREATEBITFIELD
+ * AML_CREATEBYTEFIELD
+ * AML_CREATEDWORDFIELD
+ * AML_CREATEFIELD
+ * AML_CREATEQWORDFIELD
+ * AML_CREATEWORDFIELD
+ * AML_DATA_REGION
+ * AML_DEVICE
+ * AML_EVENT
+ * AML_FIELD
+ * AML_INDEXFIELD
+ * AML_METHOD
+ * AML_METHODCALL
+ * AML_MUTEX
+ * AML_NAME
+ * AML_NAMEDFIELD
+ * AML_OPREGION
+ * AML_POWERRES
+ * AML_PROCESSOR
+ * AML_SCOPE
+ * AML_THERMALZONE
+ */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ walk_state, op, node));
+
+ /* Decode the opcode */
+
+ arg = op->common.value.arg;
+
+ switch (walk_state->op_info->type) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+ case AML_TYPE_CREATE_FIELD:
+ /*
+ * Create the field object, but the field buffer and index must
+ * be evaluated later during the execution phase
+ */
+ status = acpi_ds_create_buffer_field(op, walk_state);
+ break;
+
+ case AML_TYPE_NAMED_FIELD:
+ /*
+ * If we are executing a method, initialize the field
+ */
+ if (walk_state->method_node) {
+ status = acpi_ds_init_field_objects(op, walk_state);
+ }
+
+ switch (op->common.aml_opcode) {
+ case AML_INDEX_FIELD_OP:
+
+ status =
+ acpi_ds_create_index_field(op,
+ (acpi_handle) arg->
+ common.node, walk_state);
+ break;
+
+ case AML_BANK_FIELD_OP:
+
+ status =
+ acpi_ds_create_bank_field(op, arg->common.node,
+ walk_state);
+ break;
+
+ case AML_FIELD_OP:
+
+ status =
+ acpi_ds_create_field(op, arg->common.node,
+ walk_state);
+ break;
+
+ default:
+
+ /* All NAMED_FIELD opcodes must be handled above */
+ break;
+ }
+ break;
+
+ case AML_TYPE_NAMED_SIMPLE:
+
+ status = acpi_ds_create_operands(walk_state, arg);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ switch (op->common.aml_opcode) {
+ case AML_PROCESSOR_OP:
+
+ status = acpi_ex_create_processor(walk_state);
+ break;
+
+ case AML_POWER_RES_OP:
+
+ status = acpi_ex_create_power_resource(walk_state);
+ break;
+
+ case AML_MUTEX_OP:
+
+ status = acpi_ex_create_mutex(walk_state);
+ break;
+
+ case AML_EVENT_OP:
+
+ status = acpi_ex_create_event(walk_state);
+ break;
+
+ case AML_ALIAS_OP:
+
+ status = acpi_ex_create_alias(walk_state);
+ break;
+
+ default:
+
+ /* Unknown opcode */
+
+ status = AE_OK;
+ goto cleanup;
+ }
+
+ /* Delete operands */
+
+ for (i = 1; i < walk_state->num_operands; i++) {
+ acpi_ut_remove_reference(walk_state->operands[i]);
+ walk_state->operands[i] = NULL;
+ }
+
+ break;
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+ case AML_TYPE_NAMED_COMPLEX:
+
+ switch (op->common.aml_opcode) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+ case AML_REGION_OP:
+ case AML_DATA_REGION_OP:
+
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ region_space = (acpi_adr_space_type)
+ ((op->common.value.arg)->common.value.
+ integer);
+ } else {
+ region_space = ACPI_ADR_SPACE_DATA_TABLE;
+ }
+
+ /*
+ * The op_region is not fully parsed at this time. The only valid
+ * argument is the space_id. (We must save the address of the
+ * AML of the address and length operands)
+ *
+ * If we have a valid region, initialize it. The namespace is
+ * unlocked at this point.
+ *
+ * Need to unlock interpreter if it is locked (if we are running
+ * a control method), in order to allow _REG methods to be run
+ * during acpi_ev_initialize_region.
+ */
+ if (walk_state->method_node) {
+ /*
+ * Executing a method: initialize the region and unlock
+ * the interpreter
+ */
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ region_space,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ex_exit_interpreter();
+ }
+
+ status =
+ acpi_ev_initialize_region
+ (acpi_ns_get_attached_object(node), FALSE);
+ if (walk_state->method_node) {
+ acpi_ex_enter_interpreter();
+ }
+
+ if (ACPI_FAILURE(status)) {
+ /*
+ * If AE_NOT_EXIST is returned, it is not fatal
+ * because many regions get created before a handler
+ * is installed for said region.
+ */
+ if (AE_NOT_EXIST == status) {
+ status = AE_OK;
+ }
+ }
+ break;
+
+ case AML_NAME_OP:
+
+ status = acpi_ds_create_node(walk_state, node, op);
+ break;
+
+ case AML_METHOD_OP:
+ /*
+ * method_op pkg_length name_string method_flags term_list
+ *
+ * Note: We must create the method node/object pair as soon as we
+ * see the method declaration. This allows later pass1 parsing
+ * of invocations of the method (need to know the number of
+ * arguments.)
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
+ walk_state, op, op->named.node));
+
+ if (!acpi_ns_get_attached_object(op->named.node)) {
+ walk_state->operands[0] =
+ ACPI_CAST_PTR(void, op->named.node);
+ walk_state->num_operands = 1;
+
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.
+ arg);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_create_method(op->named.
+ data,
+ op->named.
+ length,
+ walk_state);
+ }
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ break;
+
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+ default:
+
+ /* All NAMED_COMPLEX opcodes must be handled above */
+ break;
+ }
+ break;
+
+ case AML_CLASS_INTERNAL:
+
+ /* case AML_INT_NAMEPATH_OP: */
+ break;
+
+ case AML_CLASS_METHOD_CALL:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
+ walk_state, op, node));
+
+ /*
+ * Lookup the method name and save the Node
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.string, ACPI_TYPE_ANY,
+ ACPI_IMODE_LOAD_PASS2,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE, walk_state,
+ &(new_node));
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * Make sure that what we found is indeed a method
+ * We didn't search for a method on purpose, to see if the name
+ * would resolve
+ */
+ if (new_node->type != ACPI_TYPE_METHOD) {
+ status = AE_AML_OPERAND_TYPE;
+ }
+
+ /* We could put the returned object (Node) on the object stack for
+ * later, but for now, we will put it in the "op" object that the
+ * parser uses, so we can get it again at the end of this scope
+ */
+ op->common.node = new_node;
+ } else {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ }
+ break;
+
+ default:
+
+ break;
+ }
+
+cleanup:
+
+ /* Remove the Node pushed at the very beginning */
+
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c
new file mode 100644
index 00000000000..9d6e2c1de1f
--- /dev/null
+++ b/drivers/acpi/acpica/dswscope.c
@@ -0,0 +1,214 @@
+/******************************************************************************
+ *
+ * Module Name: dswscope - Scope stack manipulation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswscope")
+
+/****************************************************************************
+ *
+ * FUNCTION: acpi_ds_scope_stack_clear
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Pop (and free) everything on the scope stack except the
+ * root scope object (which remains at the stack top.)
+ *
+ ***************************************************************************/
+void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *scope_info;
+
+ ACPI_FUNCTION_NAME(ds_scope_stack_clear);
+
+ while (walk_state->scope_info) {
+
+ /* Pop a scope off the stack */
+
+ scope_info = walk_state->scope_info;
+ walk_state->scope_info = scope_info->scope.next;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Popped object type (%s)\n",
+ acpi_ut_get_type_name(scope_info->common.
+ value)));
+ acpi_ut_delete_generic_state(scope_info);
+ }
+}
+
+/****************************************************************************
+ *
+ * FUNCTION: acpi_ds_scope_stack_push
+ *
+ * PARAMETERS: node - Name to be made current
+ * type - Type of frame being pushed
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Push the current scope on the scope stack, and make the
+ * passed Node current.
+ *
+ ***************************************************************************/
+
+acpi_status
+acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *scope_info;
+ union acpi_generic_state *old_scope_info;
+
+ ACPI_FUNCTION_TRACE(ds_scope_stack_push);
+
+ if (!node) {
+
+ /* Invalid scope */
+
+ ACPI_ERROR((AE_INFO, "Null scope parameter"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Make sure object type is valid */
+
+ if (!acpi_ut_valid_object_type(type)) {
+ ACPI_WARNING((AE_INFO, "Invalid object type: 0x%X", type));
+ }
+
+ /* Allocate a new scope object */
+
+ scope_info = acpi_ut_create_generic_state();
+ if (!scope_info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Init new scope object */
+
+ scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE;
+ scope_info->scope.node = node;
+ scope_info->common.value = (u16) type;
+
+ walk_state->scope_depth++;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%.2d] Pushed scope ",
+ (u32) walk_state->scope_depth));
+
+ old_scope_info = walk_state->scope_info;
+ if (old_scope_info) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ "[%4.4s] (%s)",
+ acpi_ut_get_node_name(old_scope_info->
+ scope.node),
+ acpi_ut_get_type_name(old_scope_info->
+ common.value)));
+ } else {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (%s)", "ROOT"));
+ }
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ ", New scope -> [%4.4s] (%s)\n",
+ acpi_ut_get_node_name(scope_info->scope.node),
+ acpi_ut_get_type_name(scope_info->common.value)));
+
+ /* Push new scope object onto stack */
+
+ acpi_ut_push_generic_state(&walk_state->scope_info, scope_info);
+ return_ACPI_STATUS(AE_OK);
+}
+
+/****************************************************************************
+ *
+ * FUNCTION: acpi_ds_scope_stack_pop
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop the scope stack once.
+ *
+ ***************************************************************************/
+
+acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *scope_info;
+ union acpi_generic_state *new_scope_info;
+
+ ACPI_FUNCTION_TRACE(ds_scope_stack_pop);
+
+ /*
+ * Pop scope info object off the stack.
+ */
+ scope_info = acpi_ut_pop_generic_state(&walk_state->scope_info);
+ if (!scope_info) {
+ return_ACPI_STATUS(AE_STACK_UNDERFLOW);
+ }
+
+ walk_state->scope_depth--;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
+ (u32) walk_state->scope_depth,
+ acpi_ut_get_node_name(scope_info->scope.node),
+ acpi_ut_get_type_name(scope_info->common.value)));
+
+ new_scope_info = walk_state->scope_info;
+ if (new_scope_info) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ "[%4.4s] (%s)\n",
+ acpi_ut_get_node_name(new_scope_info->
+ scope.node),
+ acpi_ut_get_type_name(new_scope_info->
+ common.value)));
+ } else {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (ROOT)\n"));
+ }
+
+ acpi_ut_delete_generic_state(scope_info);
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
new file mode 100644
index 00000000000..24f7d5ea678
--- /dev/null
+++ b/drivers/acpi/acpica/dswstate.c
@@ -0,0 +1,757 @@
+/******************************************************************************
+ *
+ * Module Name: dswstate - Dispatcher parse tree walk management routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswstate")
+
+ /* Local prototypes */
+static acpi_status
+acpi_ds_result_stack_push(struct acpi_walk_state *walk_state);
+static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_result_pop
+ *
+ * PARAMETERS: object - Where to return the popped object
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop an object off the top of this walk's result stack
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_result_pop(union acpi_operand_object **object,
+ struct acpi_walk_state *walk_state)
+{
+ u32 index;
+ union acpi_generic_state *state;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(ds_result_pop);
+
+ state = walk_state->results;
+
+ /* Incorrect state of result stack */
+
+ if (state && !walk_state->result_count) {
+ ACPI_ERROR((AE_INFO, "No results on result stack"));
+ return (AE_AML_INTERNAL);
+ }
+
+ if (!state && walk_state->result_count) {
+ ACPI_ERROR((AE_INFO, "No result state for result stack"));
+ return (AE_AML_INTERNAL);
+ }
+
+ /* Empty result stack */
+
+ if (!state) {
+ ACPI_ERROR((AE_INFO, "Result stack is empty! State=%p",
+ walk_state));
+ return (AE_AML_NO_RETURN_VALUE);
+ }
+
+ /* Return object of the top element and clean that top element result stack */
+
+ walk_state->result_count--;
+ index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
+
+ *object = state->results.obj_desc[index];
+ if (!*object) {
+ ACPI_ERROR((AE_INFO,
+ "No result objects on result stack, State=%p",
+ walk_state));
+ return (AE_AML_NO_RETURN_VALUE);
+ }
+
+ state->results.obj_desc[index] = NULL;
+ if (index == 0) {
+ status = acpi_ds_result_stack_pop(walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Obj=%p [%s] Index=%X State=%p Num=%X\n", *object,
+ acpi_ut_get_object_type_name(*object),
+ index, walk_state, walk_state->result_count));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_result_push
+ *
+ * PARAMETERS: object - Where to return the popped object
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Push an object onto the current result stack
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_result_push(union acpi_operand_object * object,
+ struct acpi_walk_state * walk_state)
+{
+ union acpi_generic_state *state;
+ acpi_status status;
+ u32 index;
+
+ ACPI_FUNCTION_NAME(ds_result_push);
+
+ if (walk_state->result_count > walk_state->result_size) {
+ ACPI_ERROR((AE_INFO, "Result stack is full"));
+ return (AE_AML_INTERNAL);
+ } else if (walk_state->result_count == walk_state->result_size) {
+
+ /* Extend the result stack */
+
+ status = acpi_ds_result_stack_push(walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Failed to extend the result stack"));
+ return (status);
+ }
+ }
+
+ if (!(walk_state->result_count < walk_state->result_size)) {
+ ACPI_ERROR((AE_INFO, "No free elements in result stack"));
+ return (AE_AML_INTERNAL);
+ }
+
+ state = walk_state->results;
+ if (!state) {
+ ACPI_ERROR((AE_INFO, "No result stack frame during push"));
+ return (AE_AML_INTERNAL);
+ }
+
+ if (!object) {
+ ACPI_ERROR((AE_INFO,
+ "Null Object! Obj=%p State=%p Num=%u",
+ object, walk_state, walk_state->result_count));
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Assign the address of object to the top free element of result stack */
+
+ index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
+ state->results.obj_desc[index] = object;
+ walk_state->result_count++;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+ object,
+ acpi_ut_get_object_type_name((union
+ acpi_operand_object *)
+ object), walk_state,
+ walk_state->result_count,
+ walk_state->current_result));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_result_stack_push
+ *
+ * PARAMETERS: walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Push an object onto the walk_state result stack
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_NAME(ds_result_stack_push);
+
+ /* Check for stack overflow */
+
+ if (((u32) walk_state->result_size + ACPI_RESULTS_FRAME_OBJ_NUM) >
+ ACPI_RESULTS_OBJ_NUM_MAX) {
+ ACPI_ERROR((AE_INFO, "Result stack overflow: State=%p Num=%u",
+ walk_state, walk_state->result_size));
+ return (AE_STACK_OVERFLOW);
+ }
+
+ state = acpi_ut_create_generic_state();
+ if (!state) {
+ return (AE_NO_MEMORY);
+ }
+
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT;
+ acpi_ut_push_generic_state(&walk_state->results, state);
+
+ /* Increase the length of the result stack by the length of frame */
+
+ walk_state->result_size += ACPI_RESULTS_FRAME_OBJ_NUM;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n",
+ state, walk_state));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_result_stack_pop
+ *
+ * PARAMETERS: walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop an object off of the walk_state result stack
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_NAME(ds_result_stack_pop);
+
+ /* Check for stack underflow */
+
+ if (walk_state->results == NULL) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Result stack underflow - State=%p\n",
+ walk_state));
+ return (AE_AML_NO_OPERAND);
+ }
+
+ if (walk_state->result_size < ACPI_RESULTS_FRAME_OBJ_NUM) {
+ ACPI_ERROR((AE_INFO, "Insufficient result stack size"));
+ return (AE_AML_INTERNAL);
+ }
+
+ state = acpi_ut_pop_generic_state(&walk_state->results);
+ acpi_ut_delete_generic_state(state);
+
+ /* Decrease the length of result stack by the length of frame */
+
+ walk_state->result_size -= ACPI_RESULTS_FRAME_OBJ_NUM;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Result=%p RemainingResults=%X State=%p\n",
+ state, walk_state->result_count, walk_state));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_obj_stack_push
+ *
+ * PARAMETERS: object - Object to push
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Push an object onto this walk's object/operand stack
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
+{
+ ACPI_FUNCTION_NAME(ds_obj_stack_push);
+
+ /* Check for stack overflow */
+
+ if (walk_state->num_operands >= ACPI_OBJ_NUM_OPERANDS) {
+ ACPI_ERROR((AE_INFO,
+ "Object stack overflow! Obj=%p State=%p #Ops=%u",
+ object, walk_state, walk_state->num_operands));
+ return (AE_STACK_OVERFLOW);
+ }
+
+ /* Put the object onto the stack */
+
+ walk_state->operands[walk_state->operand_index] = object;
+ walk_state->num_operands++;
+
+ /* For the usual order of filling the operand stack */
+
+ walk_state->operand_index++;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+ object,
+ acpi_ut_get_object_type_name((union
+ acpi_operand_object *)
+ object), walk_state,
+ walk_state->num_operands));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_obj_stack_pop
+ *
+ * PARAMETERS: pop_count - Number of objects/entries to pop
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT
+ * deleted by this routine.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
+{
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ds_obj_stack_pop);
+
+ for (i = 0; i < pop_count; i++) {
+
+ /* Check for stack underflow */
+
+ if (walk_state->num_operands == 0) {
+ ACPI_ERROR((AE_INFO,
+ "Object stack underflow! Count=%X State=%p #Ops=%u",
+ pop_count, walk_state,
+ walk_state->num_operands));
+ return (AE_STACK_UNDERFLOW);
+ }
+
+ /* Just set the stack entry to null */
+
+ walk_state->num_operands--;
+ walk_state->operands[walk_state->num_operands] = NULL;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%u\n",
+ pop_count, walk_state, walk_state->num_operands));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_obj_stack_pop_and_delete
+ *
+ * PARAMETERS: pop_count - Number of objects/entries to pop
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop this walk's object stack and delete each object that is
+ * popped off.
+ *
+ ******************************************************************************/
+
+void
+acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
+ struct acpi_walk_state *walk_state)
+{
+ s32 i;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
+
+ if (pop_count == 0) {
+ return;
+ }
+
+ for (i = (s32) pop_count - 1; i >= 0; i--) {
+ if (walk_state->num_operands == 0) {
+ return;
+ }
+
+ /* Pop the stack and delete an object if present in this stack entry */
+
+ walk_state->num_operands--;
+ obj_desc = walk_state->operands[i];
+ if (obj_desc) {
+ acpi_ut_remove_reference(walk_state->operands[i]);
+ walk_state->operands[i] = NULL;
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
+ pop_count, walk_state, walk_state->num_operands));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_get_current_walk_state
+ *
+ * PARAMETERS: thread - Get current active state for this Thread
+ *
+ * RETURN: Pointer to the current walk state
+ *
+ * DESCRIPTION: Get the walk state that is at the head of the list (the "current"
+ * walk state.)
+ *
+ ******************************************************************************/
+
+struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
+ *thread)
+{
+ ACPI_FUNCTION_NAME(ds_get_current_walk_state);
+
+ if (!thread) {
+ return (NULL);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current WalkState %p\n",
+ thread->walk_state_list));
+
+ return (thread->walk_state_list);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_push_walk_state
+ *
+ * PARAMETERS: walk_state - State to push
+ * thread - Thread state object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Place the Thread state at the head of the state list
+ *
+ ******************************************************************************/
+
+void
+acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
+ struct acpi_thread_state *thread)
+{
+ ACPI_FUNCTION_TRACE(ds_push_walk_state);
+
+ walk_state->next = thread->walk_state_list;
+ thread->walk_state_list = walk_state;
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_pop_walk_state
+ *
+ * PARAMETERS: thread - Current thread state
+ *
+ * RETURN: A walk_state object popped from the thread's stack
+ *
+ * DESCRIPTION: Remove and return the walkstate object that is at the head of
+ * the walk stack for the given walk list. NULL indicates that
+ * the list is empty.
+ *
+ ******************************************************************************/
+
+struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
+{
+ struct acpi_walk_state *walk_state;
+
+ ACPI_FUNCTION_TRACE(ds_pop_walk_state);
+
+ walk_state = thread->walk_state_list;
+
+ if (walk_state) {
+
+ /* Next walk state becomes the current walk state */
+
+ thread->walk_state_list = walk_state->next;
+
+ /*
+ * Don't clear the NEXT field, this serves as an indicator
+ * that there is a parent WALK STATE
+ * Do Not: walk_state->Next = NULL;
+ */
+ }
+
+ return_PTR(walk_state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_walk_state
+ *
+ * PARAMETERS: owner_id - ID for object creation
+ * origin - Starting point for this walk
+ * method_desc - Method object
+ * thread - Current thread state
+ *
+ * RETURN: Pointer to the new walk state.
+ *
+ * DESCRIPTION: Allocate and initialize a new walk state. The current walk
+ * state is set to this new state.
+ *
+ ******************************************************************************/
+
+struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
+ union acpi_parse_object
+ *origin,
+ union acpi_operand_object
+ *method_desc,
+ struct acpi_thread_state
+ *thread)
+{
+ struct acpi_walk_state *walk_state;
+
+ ACPI_FUNCTION_TRACE(ds_create_walk_state);
+
+ walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state));
+ if (!walk_state) {
+ return_PTR(NULL);
+ }
+
+ walk_state->descriptor_type = ACPI_DESC_TYPE_WALK;
+ walk_state->method_desc = method_desc;
+ walk_state->owner_id = owner_id;
+ walk_state->origin = origin;
+ walk_state->thread = thread;
+
+ walk_state->parser_state.start_op = origin;
+
+ /* Init the method args/local */
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+ acpi_ds_method_data_init(walk_state);
+#endif
+
+ /* Put the new state at the head of the walk list */
+
+ if (thread) {
+ acpi_ds_push_walk_state(walk_state, thread);
+ }
+
+ return_PTR(walk_state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_aml_walk
+ *
+ * PARAMETERS: walk_state - New state to be initialized
+ * op - Current parse op
+ * method_node - Control method NS node, if any
+ * aml_start - Start of AML
+ * aml_length - Length of AML
+ * info - Method info block (params, etc.)
+ * pass_number - 1, 2, or 3
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize a walk state for a pass 1 or 2 parse tree walk
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ struct acpi_namespace_node *method_node,
+ u8 * aml_start,
+ u32 aml_length,
+ struct acpi_evaluate_info *info, u8 pass_number)
+{
+ acpi_status status;
+ struct acpi_parse_state *parser_state = &walk_state->parser_state;
+ union acpi_parse_object *extra_op;
+
+ ACPI_FUNCTION_TRACE(ds_init_aml_walk);
+
+ walk_state->parser_state.aml =
+ walk_state->parser_state.aml_start = aml_start;
+ walk_state->parser_state.aml_end =
+ walk_state->parser_state.pkg_end = aml_start + aml_length;
+
+ /* The next_op of the next_walk will be the beginning of the method */
+
+ walk_state->next_op = NULL;
+ walk_state->pass_number = pass_number;
+
+ if (info) {
+ walk_state->params = info->parameters;
+ walk_state->caller_return_desc = &info->return_object;
+ }
+
+ status = acpi_ps_init_scope(&walk_state->parser_state, op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (method_node) {
+ walk_state->parser_state.start_node = method_node;
+ walk_state->walk_type = ACPI_WALK_METHOD;
+ walk_state->method_node = method_node;
+ walk_state->method_desc =
+ acpi_ns_get_attached_object(method_node);
+
+ /* Push start scope on scope stack and make it current */
+
+ status =
+ acpi_ds_scope_stack_push(method_node, ACPI_TYPE_METHOD,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Init the method arguments */
+
+ status = acpi_ds_method_data_init_args(walk_state->params,
+ ACPI_METHOD_NUM_ARGS,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ /*
+ * Setup the current scope.
+ * Find a Named Op that has a namespace node associated with it.
+ * search upwards from this Op. Current scope is the first
+ * Op with a namespace node.
+ */
+ extra_op = parser_state->start_op;
+ while (extra_op && !extra_op->common.node) {
+ extra_op = extra_op->common.parent;
+ }
+
+ if (!extra_op) {
+ parser_state->start_node = NULL;
+ } else {
+ parser_state->start_node = extra_op->common.node;
+ }
+
+ if (parser_state->start_node) {
+
+ /* Push start scope on scope stack and make it current */
+
+ status =
+ acpi_ds_scope_stack_push(parser_state->start_node,
+ parser_state->start_node->
+ type, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ }
+
+ status = acpi_ds_init_callbacks(walk_state, pass_number);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_delete_walk_state
+ *
+ * PARAMETERS: walk_state - State to delete
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Delete a walk state including all internal data structures
+ *
+ ******************************************************************************/
+
+void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);
+
+ if (!walk_state) {
+ return_VOID;
+ }
+
+ if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {
+ ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
+ walk_state));
+ return_VOID;
+ }
+
+ /* There should not be any open scopes */
+
+ if (walk_state->parser_state.scope) {
+ ACPI_ERROR((AE_INFO, "%p walk still has a scope list",
+ walk_state));
+ acpi_ps_cleanup_scope(&walk_state->parser_state);
+ }
+
+ /* Always must free any linked control states */
+
+ while (walk_state->control_state) {
+ state = walk_state->control_state;
+ walk_state->control_state = state->common.next;
+
+ acpi_ut_delete_generic_state(state);
+ }
+
+ /* Always must free any linked parse states */
+
+ while (walk_state->scope_info) {
+ state = walk_state->scope_info;
+ walk_state->scope_info = state->common.next;
+
+ acpi_ut_delete_generic_state(state);
+ }
+
+ /* Always must free any stacked result states */
+
+ while (walk_state->results) {
+ state = walk_state->results;
+ walk_state->results = state->common.next;
+
+ acpi_ut_delete_generic_state(state);
+ }
+
+ ACPI_FREE(walk_state);
+ return_VOID;
+}
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
new file mode 100644
index 00000000000..c7bffff9ed3
--- /dev/null
+++ b/drivers/acpi/acpica/evevent.c
@@ -0,0 +1,297 @@
+/******************************************************************************
+ *
+ * Module Name: evevent - Fixed Event handling and dispatch
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evevent")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static acpi_status acpi_ev_fixed_event_initialize(void);
+
+static u32 acpi_ev_fixed_event_dispatch(u32 event);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_events
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize global data structures for ACPI events (Fixed, GPE)
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_initialize_events(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_initialize_events);
+
+ /* If Hardware Reduced flag is set, there are no fixed events */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Initialize the Fixed and General Purpose Events. This is done prior to
+ * enabling SCIs to prevent interrupts from occurring before the handlers
+ * are installed.
+ */
+ status = acpi_ev_fixed_event_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to initialize fixed events"));
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_ev_gpe_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to initialize general purpose events"));
+ return_ACPI_STATUS(status);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_xrupt_handlers
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install interrupt handlers for the SCI and Global Lock
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_install_xrupt_handlers(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_install_xrupt_handlers);
+
+ /* If Hardware Reduced flag is set, there is no ACPI h/w */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Install the SCI handler */
+
+ status = acpi_ev_install_sci_handler();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to install System Control Interrupt handler"));
+ return_ACPI_STATUS(status);
+ }
+
+ /* Install the handler for the Global Lock */
+
+ status = acpi_ev_init_global_lock_handler();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to initialize Global Lock handler"));
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_gbl_events_initialized = TRUE;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_fixed_event_initialize
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install the fixed event handlers and disable all fixed events.
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ev_fixed_event_initialize(void)
+{
+ u32 i;
+ acpi_status status;
+
+ /*
+ * Initialize the structure that keeps track of fixed event handlers and
+ * enable the fixed events.
+ */
+ for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
+ acpi_gbl_fixed_event_handlers[i].handler = NULL;
+ acpi_gbl_fixed_event_handlers[i].context = NULL;
+
+ /* Disable the fixed event */
+
+ if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
+ status =
+ acpi_write_bit_register(acpi_gbl_fixed_event_info
+ [i].enable_register_id,
+ ACPI_DISABLE_EVENT);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_fixed_event_detect
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Checks the PM status register for active fixed events
+ *
+ ******************************************************************************/
+
+u32 acpi_ev_fixed_event_detect(void)
+{
+ u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
+ u32 fixed_status;
+ u32 fixed_enable;
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ev_fixed_event_detect);
+
+ /*
+ * Read the fixed feature status and enable registers, as all the cases
+ * depend on their values. Ignore errors here.
+ */
+ (void)acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
+ (void)acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
+ "Fixed Event Block: Enable %08X Status %08X\n",
+ fixed_enable, fixed_status));
+
+ /*
+ * Check for all possible Fixed Events and dispatch those that are active
+ */
+ for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
+
+ /* Both the status and enable bits must be on for this event */
+
+ if ((fixed_status & acpi_gbl_fixed_event_info[i].
+ status_bit_mask)
+ && (fixed_enable & acpi_gbl_fixed_event_info[i].
+ enable_bit_mask)) {
+ /*
+ * Found an active (signalled) event. Invoke global event
+ * handler if present.
+ */
+ acpi_fixed_event_count[i]++;
+ if (acpi_gbl_global_event_handler) {
+ acpi_gbl_global_event_handler
+ (ACPI_EVENT_TYPE_FIXED, NULL, i,
+ acpi_gbl_global_event_handler_context);
+ }
+
+ int_status |= acpi_ev_fixed_event_dispatch(i);
+ }
+ }
+
+ return (int_status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_fixed_event_dispatch
+ *
+ * PARAMETERS: event - Event type
+ *
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Clears the status bit for the requested event, calls the
+ * handler that previously registered for the event.
+ * NOTE: If there is no handler for the event, the event is
+ * disabled to prevent further interrupts.
+ *
+ ******************************************************************************/
+
+static u32 acpi_ev_fixed_event_dispatch(u32 event)
+{
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Clear the status bit */
+
+ (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+ status_register_id, ACPI_CLEAR_STATUS);
+
+ /*
+ * Make sure that a handler exists. If not, report an error
+ * and disable the event to prevent further interrupts.
+ */
+ if (!acpi_gbl_fixed_event_handlers[event].handler) {
+ (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id,
+ ACPI_DISABLE_EVENT);
+
+ ACPI_ERROR((AE_INFO,
+ "No installed handler for fixed event - %s (%u), disabling",
+ acpi_ut_get_event_name(event), event));
+
+ return (ACPI_INTERRUPT_NOT_HANDLED);
+ }
+
+ /* Invoke the Fixed Event handler */
+
+ return ((acpi_gbl_fixed_event_handlers[event].
+ handler) (acpi_gbl_fixed_event_handlers[event].context));
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c
new file mode 100644
index 00000000000..3393a73ca0d
--- /dev/null
+++ b/drivers/acpi/acpica/evglock.c
@@ -0,0 +1,344 @@
+/******************************************************************************
+ *
+ * Module Name: evglock - Global Lock support
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evglock")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static u32 acpi_ev_global_lock_handler(void *context);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_init_global_lock_handler
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for the global lock release event
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_init_global_lock_handler(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
+
+ /* If Hardware Reduced flag is set, there is no global lock */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Attempt installation of the global lock handler */
+
+ status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
+ acpi_ev_global_lock_handler,
+ NULL);
+
+ /*
+ * If the global lock does not exist on this platform, the attempt to
+ * enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick).
+ * Map to AE_OK, but mark global lock as not present. Any attempt to
+ * actually use the global lock will be flagged with an error.
+ */
+ acpi_gbl_global_lock_present = FALSE;
+ if (status == AE_NO_HARDWARE_RESPONSE) {
+ ACPI_ERROR((AE_INFO,
+ "No response from Global Lock hardware, disabling lock"));
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ status = acpi_os_create_lock(&acpi_gbl_global_lock_pending_lock);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_gbl_global_lock_pending = FALSE;
+ acpi_gbl_global_lock_present = TRUE;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_remove_global_lock_handler
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove the handler for the Global Lock
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_remove_global_lock_handler(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_remove_global_lock_handler);
+
+ acpi_gbl_global_lock_present = FALSE;
+ status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL,
+ acpi_ev_global_lock_handler);
+
+ acpi_os_delete_lock(acpi_gbl_global_lock_pending_lock);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_global_lock_handler
+ *
+ * PARAMETERS: context - From thread interface, not used
+ *
+ * RETURN: ACPI_INTERRUPT_HANDLED
+ *
+ * DESCRIPTION: Invoked directly from the SCI handler when a global lock
+ * release interrupt occurs. If there is actually a pending
+ * request for the lock, signal the waiting thread.
+ *
+ ******************************************************************************/
+
+static u32 acpi_ev_global_lock_handler(void *context)
+{
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);
+
+ /*
+ * If a request for the global lock is not actually pending,
+ * we are done. This handles "spurious" global lock interrupts
+ * which are possible (and have been seen) with bad BIOSs.
+ */
+ if (!acpi_gbl_global_lock_pending) {
+ goto cleanup_and_exit;
+ }
+
+ /*
+ * Send a unit to the global lock semaphore. The actual acquisition
+ * of the global lock will be performed by the waiting thread.
+ */
+ status = acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, 1);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Could not signal Global Lock semaphore"));
+ }
+
+ acpi_gbl_global_lock_pending = FALSE;
+
+cleanup_and_exit:
+
+ acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);
+ return (ACPI_INTERRUPT_HANDLED);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ev_acquire_global_lock
+ *
+ * PARAMETERS: timeout - Max time to wait for the lock, in millisec.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Attempt to gain ownership of the Global Lock.
+ *
+ * MUTEX: Interpreter must be locked
+ *
+ * Note: The original implementation allowed multiple threads to "acquire" the
+ * Global Lock, and the OS would hold the lock until the last thread had
+ * released it. However, this could potentially starve the BIOS out of the
+ * lock, especially in the case where there is a tight handshake between the
+ * Embedded Controller driver and the BIOS. Therefore, this implementation
+ * allows only one thread to acquire the HW Global Lock at a time, and makes
+ * the global lock appear as a standard mutex on the OS side.
+ *
+ *****************************************************************************/
+
+acpi_status acpi_ev_acquire_global_lock(u16 timeout)
+{
+ acpi_cpu_flags flags;
+ acpi_status status;
+ u8 acquired = FALSE;
+
+ ACPI_FUNCTION_TRACE(ev_acquire_global_lock);
+
+ /*
+ * Only one thread can acquire the GL at a time, the global_lock_mutex
+ * enforces this. This interface releases the interpreter if we must wait.
+ */
+ status =
+ acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex->mutex.
+ os_mutex, timeout);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Update the global lock handle and check for wraparound. The handle is
+ * only used for the external global lock interfaces, but it is updated
+ * here to properly handle the case where a single thread may acquire the
+ * lock via both the AML and the acpi_acquire_global_lock interfaces. The
+ * handle is therefore updated on the first acquire from a given thread
+ * regardless of where the acquisition request originated.
+ */
+ acpi_gbl_global_lock_handle++;
+ if (acpi_gbl_global_lock_handle == 0) {
+ acpi_gbl_global_lock_handle = 1;
+ }
+
+ /*
+ * Make sure that a global lock actually exists. If not, just
+ * treat the lock as a standard mutex.
+ */
+ if (!acpi_gbl_global_lock_present) {
+ acpi_gbl_global_lock_acquired = TRUE;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);
+
+ do {
+
+ /* Attempt to acquire the actual hardware lock */
+
+ ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
+ if (acquired) {
+ acpi_gbl_global_lock_acquired = TRUE;
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Acquired hardware Global Lock\n"));
+ break;
+ }
+
+ /*
+ * Did not get the lock. The pending bit was set above, and
+ * we must now wait until we receive the global lock
+ * released interrupt.
+ */
+ acpi_gbl_global_lock_pending = TRUE;
+ acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Waiting for hardware Global Lock\n"));
+
+ /*
+ * Wait for handshake with the global lock interrupt handler.
+ * This interface releases the interpreter if we must wait.
+ */
+ status =
+ acpi_ex_system_wait_semaphore
+ (acpi_gbl_global_lock_semaphore, ACPI_WAIT_FOREVER);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);
+
+ } while (ACPI_SUCCESS(status));
+
+ acpi_gbl_global_lock_pending = FALSE;
+ acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_release_global_lock
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Releases ownership of the Global Lock.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_release_global_lock(void)
+{
+ u8 pending = FALSE;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ev_release_global_lock);
+
+ /* Lock must be already acquired */
+
+ if (!acpi_gbl_global_lock_acquired) {
+ ACPI_WARNING((AE_INFO,
+ "Cannot release the ACPI Global Lock, it has not been acquired"));
+ return_ACPI_STATUS(AE_NOT_ACQUIRED);
+ }
+
+ if (acpi_gbl_global_lock_present) {
+
+ /* Allow any thread to release the lock */
+
+ ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_FACS, pending);
+
+ /*
+ * If the pending bit was set, we must write GBL_RLS to the control
+ * register
+ */
+ if (pending) {
+ status =
+ acpi_write_bit_register
+ (ACPI_BITREG_GLOBAL_LOCK_RELEASE,
+ ACPI_ENABLE_EVENT);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Released hardware Global Lock\n"));
+ }
+
+ acpi_gbl_global_lock_acquired = FALSE;
+
+ /* Release the local GL mutex */
+
+ acpi_os_release_mutex(acpi_gbl_global_lock_mutex->mutex.os_mutex);
+ return_ACPI_STATUS(status);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
new file mode 100644
index 00000000000..48f70013b48
--- /dev/null
+++ b/drivers/acpi/acpica/evgpe.c
@@ -0,0 +1,789 @@
+/******************************************************************************
+ *
+ * Module Name: evgpe - General Purpose Event handling and dispatch
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evgpe")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context);
+
+static void ACPI_SYSTEM_XFACE acpi_ev_asynch_enable_gpe(void *context);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_update_gpe_enable_mask
+ *
+ * PARAMETERS: gpe_event_info - GPE to update
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Updates GPE register enable mask based upon whether there are
+ * runtime references to this GPE
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
+{
+ struct acpi_gpe_register_info *gpe_register_info;
+ u32 register_bit;
+
+ ACPI_FUNCTION_TRACE(ev_update_gpe_enable_mask);
+
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
+
+ /* Clear the run bit up front */
+
+ ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
+
+ /* Set the mask bit only if there are references to this GPE */
+
+ if (gpe_event_info->runtime_count) {
+ ACPI_SET_BIT(gpe_register_info->enable_for_run,
+ (u8)register_bit);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_enable_gpe
+ *
+ * PARAMETERS: gpe_event_info - GPE to enable
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear a GPE of stale events and enable it.
+ *
+ ******************************************************************************/
+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_enable_gpe);
+
+ /*
+ * We will only allow a GPE to be enabled if it has either an associated
+ * method (_Lxx/_Exx) or a handler, or is using the implicit notify
+ * feature. Otherwise, the GPE will be immediately disabled by
+ * acpi_ev_gpe_dispatch the first time it fires.
+ */
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NONE) {
+ return_ACPI_STATUS(AE_NO_HANDLER);
+ }
+
+ /* Clear the GPE (of stale events) */
+ status = acpi_hw_clear_gpe(gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Enable the requested GPE */
+
+ status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
+ return_ACPI_STATUS(status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_add_gpe_reference
+ *
+ * PARAMETERS: gpe_event_info - Add a reference to this GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
+ * hardware-enabled.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ev_add_gpe_reference);
+
+ if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
+ return_ACPI_STATUS(AE_LIMIT);
+ }
+
+ gpe_event_info->runtime_count++;
+ if (gpe_event_info->runtime_count == 1) {
+
+ /* Enable on first reference */
+
+ status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_ev_enable_gpe(gpe_event_info);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ gpe_event_info->runtime_count--;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_remove_gpe_reference
+ *
+ * PARAMETERS: gpe_event_info - Remove a reference to this GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a reference to a GPE. When the last reference is
+ * removed, the GPE is hardware-disabled.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ev_remove_gpe_reference);
+
+ if (!gpe_event_info->runtime_count) {
+ return_ACPI_STATUS(AE_LIMIT);
+ }
+
+ gpe_event_info->runtime_count--;
+ if (!gpe_event_info->runtime_count) {
+
+ /* Disable on last reference */
+
+ status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_hw_low_set_gpe(gpe_event_info,
+ ACPI_GPE_DISABLE);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ gpe_event_info->runtime_count++;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_low_get_gpe_info
+ *
+ * PARAMETERS: gpe_number - Raw GPE number
+ * gpe_block - A GPE info block
+ *
+ * RETURN: A GPE event_info struct. NULL if not a valid GPE (The gpe_number
+ * is not within the specified GPE block)
+ *
+ * DESCRIPTION: Returns the event_info struct associated with this GPE. This is
+ * the low-level implementation of ev_get_gpe_event_info.
+ *
+ ******************************************************************************/
+
+struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
+ struct acpi_gpe_block_info
+ *gpe_block)
+{
+ u32 gpe_index;
+
+ /*
+ * Validate that the gpe_number is within the specified gpe_block.
+ * (Two steps)
+ */
+ if (!gpe_block || (gpe_number < gpe_block->block_base_number)) {
+ return (NULL);
+ }
+
+ gpe_index = gpe_number - gpe_block->block_base_number;
+ if (gpe_index >= gpe_block->gpe_count) {
+ return (NULL);
+ }
+
+ return (&gpe_block->event_info[gpe_index]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_get_gpe_event_info
+ *
+ * PARAMETERS: gpe_device - Device node. NULL for GPE0/GPE1
+ * gpe_number - Raw GPE number
+ *
+ * RETURN: A GPE event_info struct. NULL if not a valid GPE
+ *
+ * DESCRIPTION: Returns the event_info struct associated with this GPE.
+ * Validates the gpe_block and the gpe_number
+ *
+ * Should be called only when the GPE lists are semaphore locked
+ * and not subject to change.
+ *
+ ******************************************************************************/
+
+struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
+ u32 gpe_number)
+{
+ union acpi_operand_object *obj_desc;
+ struct acpi_gpe_event_info *gpe_info;
+ u32 i;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* A NULL gpe_device means use the FADT-defined GPE block(s) */
+
+ if (!gpe_device) {
+
+ /* Examine GPE Block 0 and 1 (These blocks are permanent) */
+
+ for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) {
+ gpe_info = acpi_ev_low_get_gpe_info(gpe_number,
+ acpi_gbl_gpe_fadt_blocks
+ [i]);
+ if (gpe_info) {
+ return (gpe_info);
+ }
+ }
+
+ /* The gpe_number was not in the range of either FADT GPE block */
+
+ return (NULL);
+ }
+
+ /* A Non-NULL gpe_device means this is a GPE Block Device */
+
+ obj_desc =
+ acpi_ns_get_attached_object((struct acpi_namespace_node *)
+ gpe_device);
+ if (!obj_desc || !obj_desc->device.gpe_block) {
+ return (NULL);
+ }
+
+ return (acpi_ev_low_get_gpe_info
+ (gpe_number, obj_desc->device.gpe_block));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_gpe_detect
+ *
+ * PARAMETERS: gpe_xrupt_list - Interrupt block for this interrupt.
+ * Can have multiple GPE blocks attached.
+ *
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Detect if any GP events have occurred. This function is
+ * executed at interrupt level.
+ *
+ ******************************************************************************/
+
+u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
+{
+ acpi_status status;
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_register_info *gpe_register_info;
+ u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
+ u8 enabled_status_byte;
+ u32 status_reg;
+ u32 enable_reg;
+ acpi_cpu_flags flags;
+ u32 i;
+ u32 j;
+
+ ACPI_FUNCTION_NAME(ev_gpe_detect);
+
+ /* Check for the case where there are no GPEs */
+
+ if (!gpe_xrupt_list) {
+ return (int_status);
+ }
+
+ /*
+ * We need to obtain the GPE lock for both the data structs and registers
+ * Note: Not necessary to obtain the hardware lock, since the GPE
+ * registers are owned by the gpe_lock.
+ */
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Examine all GPE blocks attached to this interrupt level */
+
+ gpe_block = gpe_xrupt_list->gpe_block_list_head;
+ while (gpe_block) {
+ /*
+ * Read all of the 8-bit GPE status and enable registers in this GPE
+ * block, saving all of them. Find all currently active GP events.
+ */
+ for (i = 0; i < gpe_block->register_count; i++) {
+
+ /* Get the next status/enable pair */
+
+ gpe_register_info = &gpe_block->register_info[i];
+
+ /*
+ * Optimization: If there are no GPEs enabled within this
+ * register, we can safely ignore the entire register.
+ */
+ if (!(gpe_register_info->enable_for_run |
+ gpe_register_info->enable_for_wake)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
+ "Ignore disabled registers for GPE %02X-%02X: "
+ "RunEnable=%02X, WakeEnable=%02X\n",
+ gpe_register_info->
+ base_gpe_number,
+ gpe_register_info->
+ base_gpe_number +
+ (ACPI_GPE_REGISTER_WIDTH - 1),
+ gpe_register_info->
+ enable_for_run,
+ gpe_register_info->
+ enable_for_wake));
+ continue;
+ }
+
+ /* Read the Status Register */
+
+ status =
+ acpi_hw_read(&status_reg,
+ &gpe_register_info->status_address);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /* Read the Enable Register */
+
+ status =
+ acpi_hw_read(&enable_reg,
+ &gpe_register_info->enable_address);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
+ "Read registers for GPE %02X-%02X: Status=%02X, Enable=%02X, "
+ "RunEnable=%02X, WakeEnable=%02X\n",
+ gpe_register_info->base_gpe_number,
+ gpe_register_info->base_gpe_number +
+ (ACPI_GPE_REGISTER_WIDTH - 1),
+ status_reg, enable_reg,
+ gpe_register_info->enable_for_run,
+ gpe_register_info->enable_for_wake));
+
+ /* Check if there is anything active at all in this register */
+
+ enabled_status_byte = (u8) (status_reg & enable_reg);
+ if (!enabled_status_byte) {
+
+ /* No active GPEs in this register, move on */
+
+ continue;
+ }
+
+ /* Now look at the individual GPEs in this byte register */
+
+ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+
+ /* Examine one GPE bit */
+
+ if (enabled_status_byte & (1 << j)) {
+ /*
+ * Found an active GPE. Dispatch the event to a handler
+ * or method.
+ */
+ int_status |=
+ acpi_ev_gpe_dispatch(gpe_block->
+ node,
+ &gpe_block->
+ event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number);
+ }
+ }
+ }
+
+ gpe_block = gpe_block->next;
+ }
+
+unlock_and_exit:
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return (int_status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_asynch_execute_gpe_method
+ *
+ * PARAMETERS: Context (gpe_event_info) - Info for this GPE
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Perform the actual execution of a GPE control method. This
+ * function is called from an invocation of acpi_os_execute and
+ * therefore does NOT execute at interrupt level - so that
+ * the control method itself is not executed in the context of
+ * an interrupt handler.
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
+{
+ struct acpi_gpe_event_info *gpe_event_info = context;
+ acpi_status status;
+ struct acpi_gpe_event_info *local_gpe_event_info;
+ struct acpi_evaluate_info *info;
+ struct acpi_gpe_notify_info *notify;
+
+ ACPI_FUNCTION_TRACE(ev_asynch_execute_gpe_method);
+
+ /* Allocate a local GPE block */
+
+ local_gpe_event_info =
+ ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_event_info));
+ if (!local_gpe_event_info) {
+ ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, "while handling a GPE"));
+ return_VOID;
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(local_gpe_event_info);
+ return_VOID;
+ }
+
+ /* Must revalidate the gpe_number/gpe_block */
+
+ if (!acpi_ev_valid_gpe_event(gpe_event_info)) {
+ status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ ACPI_FREE(local_gpe_event_info);
+ return_VOID;
+ }
+
+ /*
+ * Take a snapshot of the GPE info for this level - we copy the info to
+ * prevent a race condition with remove_handler/remove_block.
+ */
+ ACPI_MEMCPY(local_gpe_event_info, gpe_event_info,
+ sizeof(struct acpi_gpe_event_info));
+
+ status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(local_gpe_event_info);
+ return_VOID;
+ }
+
+ /* Do the correct dispatch - normal method or implicit notify */
+
+ switch (local_gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) {
+ case ACPI_GPE_DISPATCH_NOTIFY:
+ /*
+ * Implicit notify.
+ * Dispatch a DEVICE_WAKE notify to the appropriate handler.
+ * NOTE: the request is queued for execution after this method
+ * completes. The notify handlers are NOT invoked synchronously
+ * from this thread -- because handlers may in turn run other
+ * control methods.
+ *
+ * June 2012: Expand implicit notify mechanism to support
+ * notifies on multiple device objects.
+ */
+ notify = local_gpe_event_info->dispatch.notify_list;
+ while (ACPI_SUCCESS(status) && notify) {
+ status =
+ acpi_ev_queue_notify_request(notify->device_node,
+ ACPI_NOTIFY_DEVICE_WAKE);
+
+ notify = notify->next;
+ }
+
+ break;
+
+ case ACPI_GPE_DISPATCH_METHOD:
+
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ status = AE_NO_MEMORY;
+ } else {
+ /*
+ * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the
+ * _Lxx/_Exx control method that corresponds to this GPE
+ */
+ info->prefix_node =
+ local_gpe_event_info->dispatch.method_node;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+ status = acpi_ns_evaluate(info);
+ ACPI_FREE(info);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "while evaluating GPE method [%4.4s]",
+ acpi_ut_get_node_name
+ (local_gpe_event_info->dispatch.
+ method_node)));
+ }
+ break;
+
+ default:
+
+ return_VOID; /* Should never happen */
+ }
+
+ /* Defer enabling of GPE until all notify handlers are done */
+
+ status = acpi_os_execute(OSL_NOTIFY_HANDLER,
+ acpi_ev_asynch_enable_gpe,
+ local_gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(local_gpe_event_info);
+ }
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_asynch_enable_gpe
+ *
+ * PARAMETERS: Context (gpe_event_info) - Info for this GPE
+ * Callback from acpi_os_execute
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Asynchronous clear/enable for GPE. This allows the GPE to
+ * complete (i.e., finish execution of Notify)
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE acpi_ev_asynch_enable_gpe(void *context)
+{
+ struct acpi_gpe_event_info *gpe_event_info = context;
+
+ (void)acpi_ev_finish_gpe(gpe_event_info);
+
+ ACPI_FREE(gpe_event_info);
+ return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_finish_gpe
+ *
+ * PARAMETERS: gpe_event_info - Info for this GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear/Enable a GPE. Common code that is used after execution
+ * of a GPE method or a synchronous or asynchronous GPE handler.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status;
+
+ if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+ ACPI_GPE_LEVEL_TRIGGERED) {
+ /*
+ * GPE is level-triggered, we clear the GPE status bit after
+ * handling the event.
+ */
+ status = acpi_hw_clear_gpe(gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /*
+ * Enable this GPE, conditionally. This means that the GPE will
+ * only be physically enabled if the enable_for_run bit is set
+ * in the event_info.
+ */
+ (void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_CONDITIONAL_ENABLE);
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_gpe_dispatch
+ *
+ * PARAMETERS: gpe_device - Device node. NULL for GPE0/GPE1
+ * gpe_event_info - Info for this GPE
+ * gpe_number - Number relative to the parent GPE block
+ *
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Dispatch a General Purpose Event to either a function (e.g. EC)
+ * or method (e.g. _Lxx/_Exx) handler.
+ *
+ * This function executes at interrupt level.
+ *
+ ******************************************************************************/
+
+u32
+acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
+ struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
+{
+ acpi_status status;
+ u32 return_value;
+
+ ACPI_FUNCTION_TRACE(ev_gpe_dispatch);
+
+ /* Invoke global event handler if present */
+
+ acpi_gpe_count++;
+ if (acpi_gbl_global_event_handler) {
+ acpi_gbl_global_event_handler(ACPI_EVENT_TYPE_GPE, gpe_device,
+ gpe_number,
+ acpi_gbl_global_event_handler_context);
+ }
+
+ /*
+ * If edge-triggered, clear the GPE status bit now. Note that
+ * level-triggered events are cleared after the GPE is serviced.
+ */
+ if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+ ACPI_GPE_EDGE_TRIGGERED) {
+ status = acpi_hw_clear_gpe(gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to clear GPE %02X",
+ gpe_number));
+ return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
+ }
+ }
+
+ /*
+ * Always disable the GPE so that it does not keep firing before
+ * any asynchronous activity completes (either from the execution
+ * of a GPE method or an asynchronous GPE handler.)
+ *
+ * If there is no handler or method to run, just disable the
+ * GPE and leave it disabled permanently to prevent further such
+ * pointless events from firing.
+ */
+ status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to disable GPE %02X", gpe_number));
+ return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
+ }
+
+ /*
+ * Dispatch the GPE to either an installed handler or the control
+ * method associated with this GPE (_Lxx or _Exx). If a handler
+ * exists, we invoke it and do not attempt to run the method.
+ * If there is neither a handler nor a method, leave the GPE
+ * disabled.
+ */
+ switch (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) {
+ case ACPI_GPE_DISPATCH_HANDLER:
+
+ /* Invoke the installed handler (at interrupt level) */
+
+ return_value =
+ gpe_event_info->dispatch.handler->address(gpe_device,
+ gpe_number,
+ gpe_event_info->
+ dispatch.handler->
+ context);
+
+ /* If requested, clear (if level-triggered) and reenable the GPE */
+
+ if (return_value & ACPI_REENABLE_GPE) {
+ (void)acpi_ev_finish_gpe(gpe_event_info);
+ }
+ break;
+
+ case ACPI_GPE_DISPATCH_METHOD:
+ case ACPI_GPE_DISPATCH_NOTIFY:
+ /*
+ * Execute the method associated with the GPE
+ * NOTE: Level-triggered GPEs are cleared after the method completes.
+ */
+ status = acpi_os_execute(OSL_GPE_HANDLER,
+ acpi_ev_asynch_execute_gpe_method,
+ gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to queue handler for GPE %02X - event disabled",
+ gpe_number));
+ }
+ break;
+
+ default:
+ /*
+ * No handler or method to run!
+ * 03/2010: This case should no longer be possible. We will not allow
+ * a GPE to be enabled if it has no handler or method.
+ */
+ ACPI_ERROR((AE_INFO,
+ "No handler or method for GPE %02X, disabling event",
+ gpe_number));
+
+ break;
+ }
+
+ return_UINT32(ACPI_INTERRUPT_HANDLED);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
new file mode 100644
index 00000000000..d86699eea33
--- /dev/null
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -0,0 +1,511 @@
+/******************************************************************************
+ *
+ * Module Name: evgpeblk - GPE block creation and initialization.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evgpeblk")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static acpi_status
+acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
+ u32 interrupt_number);
+
+static acpi_status
+acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_gpe_block
+ *
+ * PARAMETERS: gpe_block - New GPE block
+ * interrupt_number - Xrupt to be associated with this
+ * GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install new GPE block with mutex support
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
+ u32 interrupt_number)
+{
+ struct acpi_gpe_block_info *next_gpe_block;
+ struct acpi_gpe_xrupt_info *gpe_xrupt_block;
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status =
+ acpi_ev_get_gpe_xrupt_block(interrupt_number, &gpe_xrupt_block);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /* Install the new block at the end of the list with lock */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+ if (gpe_xrupt_block->gpe_block_list_head) {
+ next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
+ while (next_gpe_block->next) {
+ next_gpe_block = next_gpe_block->next;
+ }
+
+ next_gpe_block->next = gpe_block;
+ gpe_block->previous = next_gpe_block;
+ } else {
+ gpe_xrupt_block->gpe_block_list_head = gpe_block;
+ }
+
+ gpe_block->xrupt_block = gpe_xrupt_block;
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_delete_gpe_block
+ *
+ * PARAMETERS: gpe_block - Existing GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a GPE block
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
+{
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(ev_install_gpe_block);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Disable all GPEs in this block */
+
+ status =
+ acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL);
+
+ if (!gpe_block->previous && !gpe_block->next) {
+
+ /* This is the last gpe_block on this interrupt */
+
+ status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+ } else {
+ /* Remove the block on this interrupt with lock */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+ if (gpe_block->previous) {
+ gpe_block->previous->next = gpe_block->next;
+ } else {
+ gpe_block->xrupt_block->gpe_block_list_head =
+ gpe_block->next;
+ }
+
+ if (gpe_block->next) {
+ gpe_block->next->previous = gpe_block->previous;
+ }
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ }
+
+ acpi_current_gpe_count -= gpe_block->gpe_count;
+
+ /* Free the gpe_block */
+
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block);
+
+unlock_and_exit:
+ status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_create_gpe_info_blocks
+ *
+ * PARAMETERS: gpe_block - New GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create the register_info and event_info blocks for this GPE block
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
+{
+ struct acpi_gpe_register_info *gpe_register_info = NULL;
+ struct acpi_gpe_event_info *gpe_event_info = NULL;
+ struct acpi_gpe_event_info *this_event;
+ struct acpi_gpe_register_info *this_register;
+ u32 i;
+ u32 j;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
+
+ /* Allocate the GPE register information block */
+
+ gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->
+ register_count *
+ sizeof(struct
+ acpi_gpe_register_info));
+ if (!gpe_register_info) {
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate the GpeRegisterInfo table"));
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * Allocate the GPE event_info block. There are eight distinct GPEs
+ * per register. Initialization to zeros is sufficient.
+ */
+ gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->gpe_count *
+ sizeof(struct
+ acpi_gpe_event_info));
+ if (!gpe_event_info) {
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate the GpeEventInfo table"));
+ status = AE_NO_MEMORY;
+ goto error_exit;
+ }
+
+ /* Save the new Info arrays in the GPE block */
+
+ gpe_block->register_info = gpe_register_info;
+ gpe_block->event_info = gpe_event_info;
+
+ /*
+ * Initialize the GPE Register and Event structures. A goal of these
+ * tables is to hide the fact that there are two separate GPE register
+ * sets in a given GPE hardware block, the status registers occupy the
+ * first half, and the enable registers occupy the second half.
+ */
+ this_register = gpe_register_info;
+ this_event = gpe_event_info;
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+
+ /* Init the register_info for this GPE register (8 GPEs) */
+
+ this_register->base_gpe_number = (u16)
+ (gpe_block->block_base_number +
+ (i * ACPI_GPE_REGISTER_WIDTH));
+
+ this_register->status_address.address = gpe_block->address + i;
+
+ this_register->enable_address.address =
+ gpe_block->address + i + gpe_block->register_count;
+
+ this_register->status_address.space_id = gpe_block->space_id;
+ this_register->enable_address.space_id = gpe_block->space_id;
+ this_register->status_address.bit_width =
+ ACPI_GPE_REGISTER_WIDTH;
+ this_register->enable_address.bit_width =
+ ACPI_GPE_REGISTER_WIDTH;
+ this_register->status_address.bit_offset = 0;
+ this_register->enable_address.bit_offset = 0;
+
+ /* Init the event_info for each GPE within this register */
+
+ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+ this_event->gpe_number =
+ (u8) (this_register->base_gpe_number + j);
+ this_event->register_info = this_register;
+ this_event++;
+ }
+
+ /* Disable all GPEs within this register */
+
+ status = acpi_hw_write(0x00, &this_register->enable_address);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+
+ /* Clear any pending GPE events within this register */
+
+ status = acpi_hw_write(0xFF, &this_register->status_address);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+
+ this_register++;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+
+error_exit:
+ if (gpe_register_info) {
+ ACPI_FREE(gpe_register_info);
+ }
+ if (gpe_event_info) {
+ ACPI_FREE(gpe_event_info);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_create_gpe_block
+ *
+ * PARAMETERS: gpe_device - Handle to the parent GPE block
+ * gpe_block_address - Address and space_ID
+ * register_count - Number of GPE register pairs in the block
+ * gpe_block_base_number - Starting GPE number for the block
+ * interrupt_number - H/W interrupt for the block
+ * return_gpe_block - Where the new block descriptor is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create and Install a block of GPE registers. All GPEs within
+ * the block are disabled at exit.
+ * Note: Assumes namespace is locked.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
+ u64 address,
+ u8 space_id,
+ u32 register_count,
+ u16 gpe_block_base_number,
+ u32 interrupt_number,
+ struct acpi_gpe_block_info **return_gpe_block)
+{
+ acpi_status status;
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_walk_info walk_info;
+
+ ACPI_FUNCTION_TRACE(ev_create_gpe_block);
+
+ if (!register_count) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Allocate a new GPE block */
+
+ gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info));
+ if (!gpe_block) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the new GPE block */
+
+ gpe_block->address = address;
+ gpe_block->space_id = space_id;
+ gpe_block->node = gpe_device;
+ gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH);
+ gpe_block->initialized = FALSE;
+ gpe_block->register_count = register_count;
+ gpe_block->block_base_number = gpe_block_base_number;
+
+ /*
+ * Create the register_info and event_info sub-structures
+ * Note: disables and clears all GPEs in the block
+ */
+ status = acpi_ev_create_gpe_info_blocks(gpe_block);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block);
+ return_ACPI_STATUS(status);
+ }
+
+ /* Install the new block in the global lists */
+
+ status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block);
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_gbl_all_gpes_initialized = FALSE;
+
+ /* Find all GPE methods (_Lxx or_Exx) for this block */
+
+ walk_info.gpe_block = gpe_block;
+ walk_info.gpe_device = gpe_device;
+ walk_info.execute_by_owner_id = FALSE;
+
+ status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
+ ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
+ acpi_ev_match_gpe_method, NULL,
+ &walk_info, NULL);
+
+ /* Return the new block */
+
+ if (return_gpe_block) {
+ (*return_gpe_block) = gpe_block;
+ }
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ " Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n",
+ (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1)),
+ gpe_device->name.ascii, gpe_block->register_count,
+ interrupt_number,
+ interrupt_number ==
+ acpi_gbl_FADT.sci_interrupt ? " (SCI)" : ""));
+
+ /* Update global count of currently available GPEs */
+
+ acpi_current_gpe_count += gpe_block->gpe_count;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_gpe_block
+ *
+ * PARAMETERS: acpi_gpe_callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize and enable a GPE block. Enable GPEs that have
+ * associated methods.
+ * Note: Assumes namespace is locked.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *ignored)
+{
+ acpi_status status;
+ struct acpi_gpe_event_info *gpe_event_info;
+ u32 gpe_enabled_count;
+ u32 gpe_index;
+ u32 i;
+ u32 j;
+
+ ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
+
+ /*
+ * Ignore a null GPE block (e.g., if no GPE block 1 exists), and
+ * any GPE blocks that have been initialized already.
+ */
+ if (!gpe_block || gpe_block->initialized) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Enable all GPEs that have a corresponding method and have the
+ * ACPI_GPE_CAN_WAKE flag unset. Any other GPEs within this block
+ * must be enabled via the acpi_enable_gpe() interface.
+ */
+ gpe_enabled_count = 0;
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+
+ /* Get the info block for this particular GPE */
+
+ gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
+ gpe_event_info = &gpe_block->event_info[gpe_index];
+
+ /*
+ * Ignore GPEs that have no corresponding _Lxx/_Exx method
+ * and GPEs that are used to wake the system
+ */
+ if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NONE)
+ || ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)
+ == ACPI_GPE_DISPATCH_HANDLER)
+ || (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
+ continue;
+ }
+
+ status = acpi_ev_add_gpe_reference(gpe_event_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not enable GPE 0x%02X",
+ gpe_index +
+ gpe_block->block_base_number));
+ continue;
+ }
+
+ gpe_enabled_count++;
+ }
+ }
+
+ if (gpe_enabled_count) {
+ ACPI_INFO((AE_INFO,
+ "Enabled %u GPEs in block %02X to %02X",
+ gpe_enabled_count, (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1))));
+ }
+
+ gpe_block->initialized = TRUE;
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
new file mode 100644
index 00000000000..49fc7effd96
--- /dev/null
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -0,0 +1,443 @@
+/******************************************************************************
+ *
+ * Module Name: evgpeinit - System GPE initialization and update
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evgpeinit")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/*
+ * Note: History of _PRW support in ACPICA
+ *
+ * Originally (2000 - 2010), the GPE initialization code performed a walk of
+ * the entire namespace to execute the _PRW methods and detect all GPEs
+ * capable of waking the system.
+ *
+ * As of 10/2010, the _PRW method execution has been removed since it is
+ * actually unnecessary. The host OS must in fact execute all _PRW methods
+ * in order to identify the device/power-resource dependencies. We now put
+ * the onus on the host OS to identify the wake GPEs as part of this process
+ * and to inform ACPICA of these GPEs via the acpi_setup_gpe_for_wake interface. This
+ * not only reduces the complexity of the ACPICA initialization code, but in
+ * some cases (on systems with very large namespaces) it should reduce the
+ * kernel boot time as well.
+ */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_gpe_initialize
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize the GPE data structures and the FADT GPE 0/1 blocks
+ *
+ ******************************************************************************/
+acpi_status acpi_ev_gpe_initialize(void)
+{
+ u32 register_count0 = 0;
+ u32 register_count1 = 0;
+ u32 gpe_number_max = 0;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_gpe_initialize);
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ "Initializing General Purpose Events (GPEs):\n"));
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Initialize the GPE Block(s) defined in the FADT
+ *
+ * Why the GPE register block lengths are divided by 2: From the ACPI
+ * Spec, section "General-Purpose Event Registers", we have:
+ *
+ * "Each register block contains two registers of equal length
+ * GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
+ * GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
+ * The length of the GPE1_STS and GPE1_EN registers is equal to
+ * half the GPE1_LEN. If a generic register block is not supported
+ * then its respective block pointer and block length values in the
+ * FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
+ * to be the same size."
+ */
+
+ /*
+ * Determine the maximum GPE number for this machine.
+ *
+ * Note: both GPE0 and GPE1 are optional, and either can exist without
+ * the other.
+ *
+ * If EITHER the register length OR the block address are zero, then that
+ * particular block is not supported.
+ */
+ if (acpi_gbl_FADT.gpe0_block_length &&
+ acpi_gbl_FADT.xgpe0_block.address) {
+
+ /* GPE block 0 exists (has both length and address > 0) */
+
+ register_count0 = (u16)(acpi_gbl_FADT.gpe0_block_length / 2);
+ gpe_number_max =
+ (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
+
+ /* Install GPE Block 0 */
+
+ status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
+ acpi_gbl_FADT.xgpe0_block.
+ address,
+ acpi_gbl_FADT.xgpe0_block.
+ space_id, register_count0, 0,
+ acpi_gbl_FADT.sci_interrupt,
+ &acpi_gbl_gpe_fadt_blocks[0]);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not create GPE Block 0"));
+ }
+ }
+
+ if (acpi_gbl_FADT.gpe1_block_length &&
+ acpi_gbl_FADT.xgpe1_block.address) {
+
+ /* GPE block 1 exists (has both length and address > 0) */
+
+ register_count1 = (u16)(acpi_gbl_FADT.gpe1_block_length / 2);
+
+ /* Check for GPE0/GPE1 overlap (if both banks exist) */
+
+ if ((register_count0) &&
+ (gpe_number_max >= acpi_gbl_FADT.gpe1_base)) {
+ ACPI_ERROR((AE_INFO,
+ "GPE0 block (GPE 0 to %u) overlaps the GPE1 block "
+ "(GPE %u to %u) - Ignoring GPE1",
+ gpe_number_max, acpi_gbl_FADT.gpe1_base,
+ acpi_gbl_FADT.gpe1_base +
+ ((register_count1 *
+ ACPI_GPE_REGISTER_WIDTH) - 1)));
+
+ /* Ignore GPE1 block by setting the register count to zero */
+
+ register_count1 = 0;
+ } else {
+ /* Install GPE Block 1 */
+
+ status =
+ acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
+ acpi_gbl_FADT.xgpe1_block.
+ address,
+ acpi_gbl_FADT.xgpe1_block.
+ space_id, register_count1,
+ acpi_gbl_FADT.gpe1_base,
+ acpi_gbl_FADT.
+ sci_interrupt,
+ &acpi_gbl_gpe_fadt_blocks
+ [1]);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not create GPE Block 1"));
+ }
+
+ /*
+ * GPE0 and GPE1 do not have to be contiguous in the GPE number
+ * space. However, GPE0 always starts at GPE number zero.
+ */
+ gpe_number_max = acpi_gbl_FADT.gpe1_base +
+ ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
+ }
+ }
+
+ /* Exit if there are no GPE registers */
+
+ if ((register_count0 + register_count1) == 0) {
+
+ /* GPEs are not required by ACPI, this is OK */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "There are no GPE blocks defined in the FADT\n"));
+ status = AE_OK;
+ goto cleanup;
+ }
+
+cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_update_gpes
+ *
+ * PARAMETERS: table_owner_id - ID of the newly-loaded ACPI table
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Check for new GPE methods (_Lxx/_Exx) made available as a
+ * result of a Load() or load_table() operation. If new GPE
+ * methods have been installed, register the new methods.
+ *
+ ******************************************************************************/
+
+void acpi_ev_update_gpes(acpi_owner_id table_owner_id)
+{
+ struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_walk_info walk_info;
+ acpi_status status = AE_OK;
+
+ /*
+ * Find any _Lxx/_Exx GPE methods that have just been loaded.
+ *
+ * Any GPEs that correspond to new _Lxx/_Exx methods are immediately
+ * enabled.
+ *
+ * Examine the namespace underneath each gpe_device within the
+ * gpe_block lists.
+ */
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return;
+ }
+
+ walk_info.count = 0;
+ walk_info.owner_id = table_owner_id;
+ walk_info.execute_by_owner_id = TRUE;
+
+ /* Walk the interrupt level descriptor list */
+
+ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+ while (gpe_xrupt_info) {
+
+ /* Walk all Gpe Blocks attached to this interrupt level */
+
+ gpe_block = gpe_xrupt_info->gpe_block_list_head;
+ while (gpe_block) {
+ walk_info.gpe_block = gpe_block;
+ walk_info.gpe_device = gpe_block->node;
+
+ status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD,
+ walk_info.gpe_device,
+ ACPI_UINT32_MAX,
+ ACPI_NS_WALK_NO_UNLOCK,
+ acpi_ev_match_gpe_method,
+ NULL, &walk_info, NULL);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While decoding _Lxx/_Exx methods"));
+ }
+
+ gpe_block = gpe_block->next;
+ }
+
+ gpe_xrupt_info = gpe_xrupt_info->next;
+ }
+
+ if (walk_info.count) {
+ ACPI_INFO((AE_INFO, "Enabled %u new GPEs", walk_info.count));
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_match_gpe_method
+ *
+ * PARAMETERS: Callback from walk_namespace
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
+ * control method under the _GPE portion of the namespace.
+ * Extract the name and GPE type from the object, saving this
+ * information for quick lookup during GPE dispatch. Allows a
+ * per-owner_id evaluation if execute_by_owner_id is TRUE in the
+ * walk_info parameter block.
+ *
+ * The name of each GPE control method is of the form:
+ * "_Lxx" or "_Exx", where:
+ * L - means that the GPE is level triggered
+ * E - means that the GPE is edge triggered
+ * xx - is the GPE number [in HEX]
+ *
+ * If walk_info->execute_by_owner_id is TRUE, we only execute examine GPE methods
+ * with that owner.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_match_gpe_method(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value)
+{
+ struct acpi_namespace_node *method_node =
+ ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
+ struct acpi_gpe_walk_info *walk_info =
+ ACPI_CAST_PTR(struct acpi_gpe_walk_info, context);
+ struct acpi_gpe_event_info *gpe_event_info;
+ u32 gpe_number;
+ char name[ACPI_NAME_SIZE + 1];
+ u8 type;
+
+ ACPI_FUNCTION_TRACE(ev_match_gpe_method);
+
+ /* Check if requested owner_id matches this owner_id */
+
+ if ((walk_info->execute_by_owner_id) &&
+ (method_node->owner_id != walk_info->owner_id)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Match and decode the _Lxx and _Exx GPE method names
+ *
+ * 1) Extract the method name and null terminate it
+ */
+ ACPI_MOVE_32_TO_32(name, &method_node->name.integer);
+ name[ACPI_NAME_SIZE] = 0;
+
+ /* 2) Name must begin with an underscore */
+
+ if (name[0] != '_') {
+ return_ACPI_STATUS(AE_OK); /* Ignore this method */
+ }
+
+ /*
+ * 3) Edge/Level determination is based on the 2nd character
+ * of the method name
+ */
+ switch (name[1]) {
+ case 'L':
+
+ type = ACPI_GPE_LEVEL_TRIGGERED;
+ break;
+
+ case 'E':
+
+ type = ACPI_GPE_EDGE_TRIGGERED;
+ break;
+
+ default:
+
+ /* Unknown method type, just ignore it */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Ignoring unknown GPE method type: %s "
+ "(name not of form _Lxx or _Exx)", name));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* 4) The last two characters of the name are the hex GPE Number */
+
+ gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
+ if (gpe_number == ACPI_UINT32_MAX) {
+
+ /* Conversion failed; invalid method, just ignore it */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Could not extract GPE number from name: %s "
+ "(name is not of form _Lxx or _Exx)", name));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Ensure that we have a valid GPE number for this GPE block */
+
+ gpe_event_info =
+ acpi_ev_low_get_gpe_info(gpe_number, walk_info->gpe_block);
+ if (!gpe_event_info) {
+ /*
+ * This gpe_number is not valid for this GPE block, just ignore it.
+ * However, it may be valid for a different GPE block, since GPE0
+ * and GPE1 methods both appear under \_GPE.
+ */
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_HANDLER) {
+
+ /* If there is already a handler, ignore this GPE method */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_METHOD) {
+ /*
+ * If there is already a method, ignore this method. But check
+ * for a type mismatch (if both the _Lxx AND _Exx exist)
+ */
+ if (type != (gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK)) {
+ ACPI_ERROR((AE_INFO,
+ "For GPE 0x%.2X, found both _L%2.2X and _E%2.2X methods",
+ gpe_number, gpe_number, gpe_number));
+ }
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Disable the GPE in case it's been enabled already. */
+ (void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
+
+ /*
+ * Add the GPE information from above to the gpe_event_info block for
+ * use during dispatch of this GPE.
+ */
+ gpe_event_info->flags &= ~(ACPI_GPE_DISPATCH_MASK);
+ gpe_event_info->flags |= (u8)(type | ACPI_GPE_DISPATCH_METHOD);
+ gpe_event_info->dispatch.method_node = method_node;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "Registered GPE method %s as GPE number 0x%.2X\n",
+ name, gpe_number));
+ return_ACPI_STATUS(AE_OK);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c
new file mode 100644
index 00000000000..17e4bbfdb09
--- /dev/null
+++ b/drivers/acpi/acpica/evgpeutil.c
@@ -0,0 +1,406 @@
+/******************************************************************************
+ *
+ * Module Name: evgpeutil - GPE utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evgpeutil")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_walk_gpe_list
+ *
+ * PARAMETERS: gpe_walk_callback - Routine called for each GPE block
+ * context - Value passed to callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk the GPE lists.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context)
+{
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+ acpi_status status = AE_OK;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Walk the interrupt level descriptor list */
+
+ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+ while (gpe_xrupt_info) {
+
+ /* Walk all Gpe Blocks attached to this interrupt level */
+
+ gpe_block = gpe_xrupt_info->gpe_block_list_head;
+ while (gpe_block) {
+
+ /* One callback per GPE block */
+
+ status =
+ gpe_walk_callback(gpe_xrupt_info, gpe_block,
+ context);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_CTRL_END) { /* Callback abort */
+ status = AE_OK;
+ }
+ goto unlock_and_exit;
+ }
+
+ gpe_block = gpe_block->next;
+ }
+
+ gpe_xrupt_info = gpe_xrupt_info->next;
+ }
+
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_valid_gpe_event
+ *
+ * PARAMETERS: gpe_event_info - Info for this GPE
+ *
+ * RETURN: TRUE if the gpe_event is valid
+ *
+ * DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
+ * Should be called only when the GPE lists are semaphore locked
+ * and not subject to change.
+ *
+ ******************************************************************************/
+
+u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
+{
+ struct acpi_gpe_xrupt_info *gpe_xrupt_block;
+ struct acpi_gpe_block_info *gpe_block;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* No need for spin lock since we are not changing any list elements */
+
+ /* Walk the GPE interrupt levels */
+
+ gpe_xrupt_block = acpi_gbl_gpe_xrupt_list_head;
+ while (gpe_xrupt_block) {
+ gpe_block = gpe_xrupt_block->gpe_block_list_head;
+
+ /* Walk the GPE blocks on this interrupt level */
+
+ while (gpe_block) {
+ if ((&gpe_block->event_info[0] <= gpe_event_info) &&
+ (&gpe_block->event_info[gpe_block->gpe_count] >
+ gpe_event_info)) {
+ return (TRUE);
+ }
+
+ gpe_block = gpe_block->next;
+ }
+
+ gpe_xrupt_block = gpe_xrupt_block->next;
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_get_gpe_device
+ *
+ * PARAMETERS: GPE_WALK_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Matches the input GPE index (0-current_gpe_count) with a GPE
+ * block device. NULL if the GPE is one of the FADT-defined GPEs.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context)
+{
+ struct acpi_gpe_device_info *info = context;
+
+ /* Increment Index by the number of GPEs in this block */
+
+ info->next_block_base_index += gpe_block->gpe_count;
+
+ if (info->index < info->next_block_base_index) {
+ /*
+ * The GPE index is within this block, get the node. Leave the node
+ * NULL for the FADT-defined GPEs
+ */
+ if ((gpe_block->node)->type == ACPI_TYPE_DEVICE) {
+ info->gpe_device = gpe_block->node;
+ }
+
+ info->status = AE_OK;
+ return (AE_CTRL_END);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_get_gpe_xrupt_block
+ *
+ * PARAMETERS: interrupt_number - Interrupt for a GPE block
+ * gpe_xrupt_block - Where the block is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
+ * block per unique interrupt level used for GPEs. Should be
+ * called only when the GPE lists are semaphore locked and not
+ * subject to change.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
+ struct acpi_gpe_xrupt_info ** gpe_xrupt_block)
+{
+ struct acpi_gpe_xrupt_info *next_gpe_xrupt;
+ struct acpi_gpe_xrupt_info *gpe_xrupt;
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
+
+ /* No need for lock since we are not changing any list elements here */
+
+ next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
+ while (next_gpe_xrupt) {
+ if (next_gpe_xrupt->interrupt_number == interrupt_number) {
+ *gpe_xrupt_block = next_gpe_xrupt;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ next_gpe_xrupt = next_gpe_xrupt->next;
+ }
+
+ /* Not found, must allocate a new xrupt descriptor */
+
+ gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
+ if (!gpe_xrupt) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ gpe_xrupt->interrupt_number = interrupt_number;
+
+ /* Install new interrupt descriptor with spin lock */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+ if (acpi_gbl_gpe_xrupt_list_head) {
+ next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
+ while (next_gpe_xrupt->next) {
+ next_gpe_xrupt = next_gpe_xrupt->next;
+ }
+
+ next_gpe_xrupt->next = gpe_xrupt;
+ gpe_xrupt->previous = next_gpe_xrupt;
+ } else {
+ acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+ /* Install new interrupt handler if not SCI_INT */
+
+ if (interrupt_number != acpi_gbl_FADT.sci_interrupt) {
+ status = acpi_os_install_interrupt_handler(interrupt_number,
+ acpi_ev_gpe_xrupt_handler,
+ gpe_xrupt);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not install GPE interrupt handler at level 0x%X",
+ interrupt_number));
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ *gpe_xrupt_block = gpe_xrupt;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_delete_gpe_xrupt
+ *
+ * PARAMETERS: gpe_xrupt - A GPE interrupt info block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove and free a gpe_xrupt block. Remove an associated
+ * interrupt handler if not the SCI interrupt.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
+{
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
+
+ /* We never want to remove the SCI interrupt handler */
+
+ if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) {
+ gpe_xrupt->gpe_block_list_head = NULL;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Disable this interrupt */
+
+ status =
+ acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
+ acpi_ev_gpe_xrupt_handler);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Unlink the interrupt block with lock */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+ if (gpe_xrupt->previous) {
+ gpe_xrupt->previous->next = gpe_xrupt->next;
+ } else {
+ /* No previous, update list head */
+
+ acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next;
+ }
+
+ if (gpe_xrupt->next) {
+ gpe_xrupt->next->previous = gpe_xrupt->previous;
+ }
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+ /* Free the block */
+
+ ACPI_FREE(gpe_xrupt);
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_delete_gpe_handlers
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Delete all Handler objects found in the GPE data structs.
+ * Used only prior to termination.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context)
+{
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_notify_info *notify;
+ struct acpi_gpe_notify_info *next;
+ u32 i;
+ u32 j;
+
+ ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+
+ /* Now look at the individual GPEs in this byte register */
+
+ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+ gpe_event_info = &gpe_block->event_info[((acpi_size) i *
+ ACPI_GPE_REGISTER_WIDTH)
+ + j];
+
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_HANDLER) {
+
+ /* Delete an installed handler block */
+
+ ACPI_FREE(gpe_event_info->dispatch.handler);
+ gpe_event_info->dispatch.handler = NULL;
+ gpe_event_info->flags &=
+ ~ACPI_GPE_DISPATCH_MASK;
+ } else
+ if ((gpe_event_info->
+ flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NOTIFY) {
+
+ /* Delete the implicit notification device list */
+
+ notify = gpe_event_info->dispatch.notify_list;
+ while (notify) {
+ next = notify->next;
+ ACPI_FREE(notify);
+ notify = next;
+ }
+ gpe_event_info->dispatch.notify_list = NULL;
+ gpe_event_info->flags &=
+ ~ACPI_GPE_DISPATCH_MASK;
+ }
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
new file mode 100644
index 00000000000..78ac29351c9
--- /dev/null
+++ b/drivers/acpi/acpica/evhandler.c
@@ -0,0 +1,536 @@
+/******************************************************************************
+ *
+ * Module Name: evhandler - Support for Address Space handlers
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evhandler")
+
+/* Local prototypes */
+static acpi_status
+acpi_ev_install_handler(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+/* These are the address spaces that will get default handlers */
+
+u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
+ ACPI_ADR_SPACE_SYSTEM_MEMORY,
+ ACPI_ADR_SPACE_SYSTEM_IO,
+ ACPI_ADR_SPACE_PCI_CONFIG,
+ ACPI_ADR_SPACE_DATA_TABLE
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_region_handlers
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Installs the core subsystem default address space handlers.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_install_region_handlers(void)
+{
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ev_install_region_handlers);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * All address spaces (PCI Config, EC, SMBus) are scope dependent and
+ * registration must occur for a specific device.
+ *
+ * In the case of the system memory and IO address spaces there is
+ * currently no device associated with the address space. For these we
+ * use the root.
+ *
+ * We install the default PCI config space handler at the root so that
+ * this space is immediately available even though the we have not
+ * enumerated all the PCI Root Buses yet. This is to conform to the ACPI
+ * specification which states that the PCI config space must be always
+ * available -- even though we are nowhere near ready to find the PCI root
+ * buses at this point.
+ *
+ * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
+ * has already been installed (via acpi_install_address_space_handler).
+ * Similar for AE_SAME_HANDLER.
+ */
+ for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+ status = acpi_ev_install_space_handler(acpi_gbl_root_node,
+ acpi_gbl_default_address_spaces
+ [i],
+ ACPI_DEFAULT_HANDLER,
+ NULL, NULL);
+ switch (status) {
+ case AE_OK:
+ case AE_SAME_HANDLER:
+ case AE_ALREADY_EXISTS:
+
+ /* These exceptions are all OK */
+
+ status = AE_OK;
+ break;
+
+ default:
+
+ goto unlock_and_exit;
+ }
+ }
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_has_default_handler
+ *
+ * PARAMETERS: node - Namespace node for the device
+ * space_id - The address space ID
+ *
+ * RETURN: TRUE if default handler is installed, FALSE otherwise
+ *
+ * DESCRIPTION: Check if the default handler is installed for the requested
+ * space ID.
+ *
+ ******************************************************************************/
+
+u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+
+ /* Must have an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+ handler_obj = obj_desc->device.handler;
+
+ /* Walk the linked list of handlers for this object */
+
+ while (handler_obj) {
+ if (handler_obj->address_space.space_id == space_id) {
+ if (handler_obj->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
+ return (TRUE);
+ }
+ }
+
+ handler_obj = handler_obj->address_space.next;
+ }
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_handler
+ *
+ * PARAMETERS: walk_namespace callback
+ *
+ * DESCRIPTION: This routine installs an address handler into objects that are
+ * of type Region or Device.
+ *
+ * If the Object is a Device, and the device has a handler of
+ * the same type then the search is terminated in that branch.
+ *
+ * This is because the existing handler is closer in proximity
+ * to any more regions than the one we are trying to install.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ev_install_handler(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value)
+{
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *next_handler_obj;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(ev_install_handler);
+
+ handler_obj = (union acpi_operand_object *)context;
+
+ /* Parameter validation */
+
+ if (!handler_obj) {
+ return (AE_OK);
+ }
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(obj_handle);
+ if (!node) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * We only care about regions and objects that are allowed to have
+ * address space handlers
+ */
+ if ((node->type != ACPI_TYPE_DEVICE) &&
+ (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
+ return (AE_OK);
+ }
+
+ /* Check for an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /* No object, just exit */
+
+ return (AE_OK);
+ }
+
+ /* Devices are handled different than regions */
+
+ if (obj_desc->common.type == ACPI_TYPE_DEVICE) {
+
+ /* Check if this Device already has a handler for this address space */
+
+ next_handler_obj = obj_desc->device.handler;
+ while (next_handler_obj) {
+
+ /* Found a handler, is it for the same address space? */
+
+ if (next_handler_obj->address_space.space_id ==
+ handler_obj->address_space.space_id) {
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Found handler for region [%s] in device %p(%p) "
+ "handler %p\n",
+ acpi_ut_get_region_name
+ (handler_obj->address_space.
+ space_id), obj_desc,
+ next_handler_obj,
+ handler_obj));
+
+ /*
+ * Since the object we found it on was a device, then it
+ * means that someone has already installed a handler for
+ * the branch of the namespace from this device on. Just
+ * bail out telling the walk routine to not traverse this
+ * branch. This preserves the scoping rule for handlers.
+ */
+ return (AE_CTRL_DEPTH);
+ }
+
+ /* Walk the linked list of handlers attached to this device */
+
+ next_handler_obj = next_handler_obj->address_space.next;
+ }
+
+ /*
+ * As long as the device didn't have a handler for this space we
+ * don't care about it. We just ignore it and proceed.
+ */
+ return (AE_OK);
+ }
+
+ /* Object is a Region */
+
+ if (obj_desc->region.space_id != handler_obj->address_space.space_id) {
+
+ /* This region is for a different address space, just ignore it */
+
+ return (AE_OK);
+ }
+
+ /*
+ * Now we have a region and it is for the handler's address space type.
+ *
+ * First disconnect region for any previous handler (if any)
+ */
+ acpi_ev_detach_region(obj_desc, FALSE);
+
+ /* Connect the region to the new handler */
+
+ status = acpi_ev_attach_region(handler_obj, obj_desc, FALSE);
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_space_handler
+ *
+ * PARAMETERS: node - Namespace node for the device
+ * space_id - The address space ID
+ * handler - Address of the handler
+ * setup - Address of the setup function
+ * context - Value passed to the handler on each access
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for all op_regions of a given space_id.
+ * Assumes namespace is locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_install_space_handler(struct acpi_namespace_node * node,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+ acpi_status status;
+ acpi_object_type type;
+ u8 flags = 0;
+
+ ACPI_FUNCTION_TRACE(ev_install_space_handler);
+
+ /*
+ * This registration is valid for only the types below and the root. This
+ * is where the default handlers get placed.
+ */
+ if ((node->type != ACPI_TYPE_DEVICE) &&
+ (node->type != ACPI_TYPE_PROCESSOR) &&
+ (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ if (handler == ACPI_DEFAULT_HANDLER) {
+ flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
+
+ switch (space_id) {
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
+ handler = acpi_ex_system_memory_space_handler;
+ setup = acpi_ev_system_memory_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+
+ handler = acpi_ex_system_io_space_handler;
+ setup = acpi_ev_io_space_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+
+ handler = acpi_ex_pci_config_space_handler;
+ setup = acpi_ev_pci_config_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_CMOS:
+
+ handler = acpi_ex_cmos_space_handler;
+ setup = acpi_ev_cmos_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_PCI_BAR_TARGET:
+
+ handler = acpi_ex_pci_bar_space_handler;
+ setup = acpi_ev_pci_bar_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_DATA_TABLE:
+
+ handler = acpi_ex_data_table_space_handler;
+ setup = NULL;
+ break;
+
+ default:
+
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+ }
+
+ /* If the caller hasn't specified a setup routine, use the default */
+
+ if (!setup) {
+ setup = acpi_ev_default_region_setup;
+ }
+
+ /* Check for an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+ /*
+ * The attached device object already exists. Make sure the handler
+ * is not already installed.
+ */
+ handler_obj = obj_desc->device.handler;
+
+ /* Walk the handler list for this device */
+
+ while (handler_obj) {
+
+ /* Same space_id indicates a handler already installed */
+
+ if (handler_obj->address_space.space_id == space_id) {
+ if (handler_obj->address_space.handler ==
+ handler) {
+ /*
+ * It is (relatively) OK to attempt to install the SAME
+ * handler twice. This can easily happen with the
+ * PCI_Config space.
+ */
+ status = AE_SAME_HANDLER;
+ goto unlock_and_exit;
+ } else {
+ /* A handler is already installed */
+
+ status = AE_ALREADY_EXISTS;
+ }
+ goto unlock_and_exit;
+ }
+
+ /* Walk the linked list of handlers */
+
+ handler_obj = handler_obj->address_space.next;
+ }
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Creating object on Device %p while installing handler\n",
+ node));
+
+ /* obj_desc does not exist, create one */
+
+ if (node->type == ACPI_TYPE_ANY) {
+ type = ACPI_TYPE_DEVICE;
+ } else {
+ type = node->type;
+ }
+
+ obj_desc = acpi_ut_create_internal_object(type);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ /* Init new descriptor */
+
+ obj_desc->common.type = (u8)type;
+
+ /* Attach the new object to the Node */
+
+ status = acpi_ns_attach_object(node, obj_desc, type);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
+ acpi_ut_get_region_name(space_id), space_id,
+ acpi_ut_get_node_name(node), node, obj_desc));
+
+ /*
+ * Install the handler
+ *
+ * At this point there is no existing handler. Just allocate the object
+ * for the handler and link it into the list.
+ */
+ handler_obj =
+ acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
+ if (!handler_obj) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ /* Init handler obj */
+
+ handler_obj->address_space.space_id = (u8)space_id;
+ handler_obj->address_space.handler_flags = flags;
+ handler_obj->address_space.region_list = NULL;
+ handler_obj->address_space.node = node;
+ handler_obj->address_space.handler = handler;
+ handler_obj->address_space.context = context;
+ handler_obj->address_space.setup = setup;
+
+ /* Install at head of Device.address_space list */
+
+ handler_obj->address_space.next = obj_desc->device.handler;
+
+ /*
+ * The Device object is the first reference on the handler_obj.
+ * Each region that uses the handler adds a reference.
+ */
+ obj_desc->device.handler = handler_obj;
+
+ /*
+ * Walk the namespace finding all of the regions this
+ * handler will manage.
+ *
+ * Start at the device and search the branch toward
+ * the leaf nodes until either the leaf is encountered or
+ * a device is detected that has an address handler of the
+ * same type.
+ *
+ * In either case, back up and search down the remainder
+ * of the branch
+ */
+ status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
+ ACPI_NS_WALK_UNLOCK,
+ acpi_ev_install_handler, NULL,
+ handler_obj, NULL);
+
+unlock_and_exit:
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
new file mode 100644
index 00000000000..24ea3424981
--- /dev/null
+++ b/drivers/acpi/acpica/evmisc.c
@@ -0,0 +1,299 @@
+/******************************************************************************
+ *
+ * Module Name: evmisc - Miscellaneous event manager support functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evmisc")
+
+/* Local prototypes */
+static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_is_notify_object
+ *
+ * PARAMETERS: node - Node to check
+ *
+ * RETURN: TRUE if notifies allowed on this object
+ *
+ * DESCRIPTION: Check type of node for a object that supports notifies.
+ *
+ * TBD: This could be replaced by a flag bit in the node.
+ *
+ ******************************************************************************/
+
+u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node)
+{
+ switch (node->type) {
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+ /*
+ * These are the ONLY objects that can receive ACPI notifications
+ */
+ return (TRUE);
+
+ default:
+
+ return (FALSE);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_queue_notify_request
+ *
+ * PARAMETERS: node - NS node for the notified object
+ * notify_value - Value from the Notify() request
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ * installed handler.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
+ u32 notify_value)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_list_head = NULL;
+ union acpi_generic_state *info;
+ u8 handler_list_id = 0;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_NAME(ev_queue_notify_request);
+
+ /* Are Notifies allowed on this object? */
+
+ if (!acpi_ev_is_notify_object(node)) {
+ return (AE_TYPE);
+ }
+
+ /* Get the correct notify list type (System or Device) */
+
+ if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+ handler_list_id = ACPI_SYSTEM_HANDLER_LIST;
+ } else {
+ handler_list_id = ACPI_DEVICE_HANDLER_LIST;
+ }
+
+ /* Get the notify object attached to the namespace Node */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+
+ /* We have an attached object, Get the correct handler list */
+
+ handler_list_head =
+ obj_desc->common_notify.notify_list[handler_list_id];
+ }
+
+ /*
+ * If there is no notify handler (Global or Local)
+ * for this object, just ignore the notify
+ */
+ if (!acpi_gbl_global_notify[handler_list_id].handler
+ && !handler_list_head) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n",
+ acpi_ut_get_node_name(node), notify_value,
+ node));
+
+ return (AE_OK);
+ }
+
+ /* Setup notify info and schedule the notify dispatcher */
+
+ info = acpi_ut_create_generic_state();
+ if (!info) {
+ return (AE_NO_MEMORY);
+ }
+
+ info->common.descriptor_type = ACPI_DESC_TYPE_STATE_NOTIFY;
+
+ info->notify.node = node;
+ info->notify.value = (u16)notify_value;
+ info->notify.handler_list_id = handler_list_id;
+ info->notify.handler_list_head = handler_list_head;
+ info->notify.global = &acpi_gbl_global_notify[handler_list_id];
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
+ acpi_ut_get_node_name(node),
+ acpi_ut_get_type_name(node->type), notify_value,
+ acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY),
+ node));
+
+ status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
+ info);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_generic_state(info);
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_notify_dispatch
+ *
+ * PARAMETERS: context - To be passed to the notify handler
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ * installed handler.
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
+{
+ union acpi_generic_state *info = (union acpi_generic_state *)context;
+ union acpi_operand_object *handler_obj;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Invoke a global notify handler if installed */
+
+ if (info->notify.global->handler) {
+ info->notify.global->handler(info->notify.node,
+ info->notify.value,
+ info->notify.global->context);
+ }
+
+ /* Now invoke the local notify handler(s) if any are installed */
+
+ handler_obj = info->notify.handler_list_head;
+ while (handler_obj) {
+ handler_obj->notify.handler(info->notify.node,
+ info->notify.value,
+ handler_obj->notify.context);
+
+ handler_obj =
+ handler_obj->notify.next[info->notify.handler_list_id];
+ }
+
+ /* All done with the info object */
+
+ acpi_ut_delete_generic_state(info);
+}
+
+#if (!ACPI_REDUCED_HARDWARE)
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ev_terminate
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: none
+ *
+ * DESCRIPTION: Disable events and free memory allocated for table storage.
+ *
+ ******************************************************************************/
+
+void acpi_ev_terminate(void)
+{
+ u32 i;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_terminate);
+
+ if (acpi_gbl_events_initialized) {
+ /*
+ * Disable all event-related functionality. In all cases, on error,
+ * print a message but obviously we don't abort.
+ */
+
+ /* Disable all fixed events */
+
+ for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
+ status = acpi_disable_event(i, 0);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not disable fixed event %u",
+ (u32) i));
+ }
+ }
+
+ /* Disable all GPEs in all GPE blocks */
+
+ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
+
+ status = acpi_ev_remove_global_lock_handler();
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not remove Global Lock handler"));
+ }
+
+ acpi_gbl_events_initialized = FALSE;
+ }
+
+ /* Remove SCI handlers */
+
+ status = acpi_ev_remove_all_sci_handlers();
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Could not remove SCI handler"));
+ }
+
+ /* Deallocate all handler objects installed within GPE info structs */
+
+ status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL);
+
+ /* Return to original mode if necessary */
+
+ if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
+ status = acpi_disable();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "AcpiDisable failed"));
+ }
+ }
+ return_VOID;
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
new file mode 100644
index 00000000000..9957297d158
--- /dev/null
+++ b/drivers/acpi/acpica/evregion.c
@@ -0,0 +1,780 @@
+/******************************************************************************
+ *
+ * Module Name: evregion - Operation Region support
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evregion")
+
+extern u8 acpi_gbl_default_address_spaces[];
+
+/* Local prototypes */
+
+static void
+acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node);
+
+static acpi_status
+acpi_ev_reg_run(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_op_regions
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute _REG methods for all Operation Regions that have
+ * an installed default region handler.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_initialize_op_regions(void)
+{
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Run the _REG methods for op_regions in each default address space */
+
+ for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+ /*
+ * Make sure the installed handler is the DEFAULT handler. If not the
+ * default, the _REG methods will have already been run (when the
+ * handler was installed)
+ */
+ if (acpi_ev_has_default_handler(acpi_gbl_root_node,
+ acpi_gbl_default_address_spaces
+ [i])) {
+ status =
+ acpi_ev_execute_reg_methods(acpi_gbl_root_node,
+ acpi_gbl_default_address_spaces
+ [i]);
+ }
+ }
+
+ acpi_gbl_reg_methods_executed = TRUE;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_address_space_dispatch
+ *
+ * PARAMETERS: region_obj - Internal region object
+ * field_obj - Corresponding field. Can be NULL.
+ * function - Read or Write operation
+ * region_offset - Where in the region to read or write
+ * bit_width - Field width in bits (8, 16, 32, or 64)
+ * value - Pointer to in or out value, must be
+ * a full 64-bit integer
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Dispatch an address space or operation region access to
+ * a previously installed handler.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
+ union acpi_operand_object *field_obj,
+ u32 function,
+ u32 region_offset, u32 bit_width, u64 *value)
+{
+ acpi_status status;
+ acpi_adr_space_handler handler;
+ acpi_adr_space_setup region_setup;
+ union acpi_operand_object *handler_desc;
+ union acpi_operand_object *region_obj2;
+ void *region_context = NULL;
+ struct acpi_connection_info *context;
+
+ ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
+
+ region_obj2 = acpi_ns_get_secondary_object(region_obj);
+ if (!region_obj2) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Ensure that there is a handler associated with this region */
+
+ handler_desc = region_obj->region.handler;
+ if (!handler_desc) {
+ ACPI_ERROR((AE_INFO,
+ "No handler for Region [%4.4s] (%p) [%s]",
+ acpi_ut_get_node_name(region_obj->region.node),
+ region_obj,
+ acpi_ut_get_region_name(region_obj->region.
+ space_id)));
+
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ context = handler_desc->address_space.context;
+
+ /*
+ * It may be the case that the region has never been initialized.
+ * Some types of regions require special init code
+ */
+ if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
+
+ /* This region has not been initialized yet, do it */
+
+ region_setup = handler_desc->address_space.setup;
+ if (!region_setup) {
+
+ /* No initialization routine, exit with error */
+
+ ACPI_ERROR((AE_INFO,
+ "No init routine for region(%p) [%s]",
+ region_obj,
+ acpi_ut_get_region_name(region_obj->region.
+ space_id)));
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /*
+ * We must exit the interpreter because the region setup will
+ * potentially execute control methods (for example, the _REG method
+ * for this region)
+ */
+ acpi_ex_exit_interpreter();
+
+ status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
+ context, &region_context);
+
+ /* Re-enter the interpreter */
+
+ acpi_ex_enter_interpreter();
+
+ /* Check for failure of the Region Setup */
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During region initialization: [%s]",
+ acpi_ut_get_region_name(region_obj->
+ region.
+ space_id)));
+ return_ACPI_STATUS(status);
+ }
+
+ /* Region initialization may have been completed by region_setup */
+
+ if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
+ region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE;
+
+ /*
+ * Save the returned context for use in all accesses to
+ * the handler for this particular region
+ */
+ if (!(region_obj2->extra.region_context)) {
+ region_obj2->extra.region_context =
+ region_context;
+ }
+ }
+ }
+
+ /* We have everything we need, we can invoke the address space handler */
+
+ handler = handler_desc->address_space.handler;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
+ &region_obj->region.handler->address_space, handler,
+ ACPI_FORMAT_NATIVE_UINT(region_obj->region.address +
+ region_offset),
+ acpi_ut_get_region_name(region_obj->region.
+ space_id)));
+
+ /*
+ * Special handling for generic_serial_bus and general_purpose_io:
+ * There are three extra parameters that must be passed to the
+ * handler via the context:
+ * 1) Connection buffer, a resource template from Connection() op.
+ * 2) Length of the above buffer.
+ * 3) Actual access length from the access_as() op.
+ */
+ if (((region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) ||
+ (region_obj->region.space_id == ACPI_ADR_SPACE_GPIO)) &&
+ context && field_obj) {
+
+ /* Get the Connection (resource_template) buffer */
+
+ context->connection = field_obj->field.resource_buffer;
+ context->length = field_obj->field.resource_length;
+ context->access_length = field_obj->field.access_length;
+ }
+
+ if (!(handler_desc->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
+ /*
+ * For handlers other than the default (supplied) handlers, we must
+ * exit the interpreter because the handler *might* block -- we don't
+ * know what it will do, so we can't hold the lock on the intepreter.
+ */
+ acpi_ex_exit_interpreter();
+ }
+
+ /* Call the handler */
+
+ status = handler(function,
+ (region_obj->region.address + region_offset),
+ bit_width, value, context,
+ region_obj2->extra.region_context);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "Returned by Handler for [%s]",
+ acpi_ut_get_region_name(region_obj->region.
+ space_id)));
+ }
+
+ if (!(handler_desc->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
+ /*
+ * We just returned from a non-default handler, we must re-enter the
+ * interpreter
+ */
+ acpi_ex_enter_interpreter();
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_detach_region
+ *
+ * PARAMETERS: region_obj - Region Object
+ * acpi_ns_is_locked - Namespace Region Already Locked?
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Break the association between the handler and the region
+ * this is a two way association.
+ *
+ ******************************************************************************/
+
+void
+acpi_ev_detach_region(union acpi_operand_object *region_obj,
+ u8 acpi_ns_is_locked)
+{
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *start_desc;
+ union acpi_operand_object **last_obj_ptr;
+ acpi_adr_space_setup region_setup;
+ void **region_context;
+ union acpi_operand_object *region_obj2;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_detach_region);
+
+ region_obj2 = acpi_ns_get_secondary_object(region_obj);
+ if (!region_obj2) {
+ return_VOID;
+ }
+ region_context = &region_obj2->extra.region_context;
+
+ /* Get the address handler from the region object */
+
+ handler_obj = region_obj->region.handler;
+ if (!handler_obj) {
+
+ /* This region has no handler, all done */
+
+ return_VOID;
+ }
+
+ /* Find this region in the handler's list */
+
+ obj_desc = handler_obj->address_space.region_list;
+ start_desc = obj_desc;
+ last_obj_ptr = &handler_obj->address_space.region_list;
+
+ while (obj_desc) {
+
+ /* Is this the correct Region? */
+
+ if (obj_desc == region_obj) {
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Removing Region %p from address handler %p\n",
+ region_obj, handler_obj));
+
+ /* This is it, remove it from the handler's list */
+
+ *last_obj_ptr = obj_desc->region.next;
+ obj_desc->region.next = NULL; /* Must clear field */
+
+ if (acpi_ns_is_locked) {
+ status =
+ acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+ }
+
+ /* Now stop region accesses by executing the _REG method */
+
+ status =
+ acpi_ev_execute_reg_method(region_obj,
+ ACPI_REG_DISCONNECT);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "from region _REG, [%s]",
+ acpi_ut_get_region_name
+ (region_obj->region.space_id)));
+ }
+
+ if (acpi_ns_is_locked) {
+ status =
+ acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+ }
+
+ /*
+ * If the region has been activated, call the setup handler with
+ * the deactivate notification
+ */
+ if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) {
+ region_setup = handler_obj->address_space.setup;
+ status =
+ region_setup(region_obj,
+ ACPI_REGION_DEACTIVATE,
+ handler_obj->address_space.
+ context, region_context);
+
+ /*
+ * region_context should have been released by the deactivate
+ * operation. We don't need access to it anymore here.
+ */
+ if (region_context) {
+ *region_context = NULL;
+ }
+
+ /* Init routine may fail, Just ignore errors */
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "from region handler - deactivate, [%s]",
+ acpi_ut_get_region_name
+ (region_obj->region.
+ space_id)));
+ }
+
+ region_obj->region.flags &=
+ ~(AOPOBJ_SETUP_COMPLETE);
+ }
+
+ /*
+ * Remove handler reference in the region
+ *
+ * NOTE: this doesn't mean that the region goes away, the region
+ * is just inaccessible as indicated to the _REG method
+ *
+ * If the region is on the handler's list, this must be the
+ * region's handler
+ */
+ region_obj->region.handler = NULL;
+ acpi_ut_remove_reference(handler_obj);
+
+ return_VOID;
+ }
+
+ /* Walk the linked list of handlers */
+
+ last_obj_ptr = &obj_desc->region.next;
+ obj_desc = obj_desc->region.next;
+
+ /* Prevent infinite loop if list is corrupted */
+
+ if (obj_desc == start_desc) {
+ ACPI_ERROR((AE_INFO,
+ "Circular handler list in region object %p",
+ region_obj));
+ return_VOID;
+ }
+ }
+
+ /* If we get here, the region was not in the handler's region list */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Cannot remove region %p from address handler %p\n",
+ region_obj, handler_obj));
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_attach_region
+ *
+ * PARAMETERS: handler_obj - Handler Object
+ * region_obj - Region Object
+ * acpi_ns_is_locked - Namespace Region Already Locked?
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Create the association between the handler and the region
+ * this is a two way association.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_attach_region(union acpi_operand_object *handler_obj,
+ union acpi_operand_object *region_obj,
+ u8 acpi_ns_is_locked)
+{
+
+ ACPI_FUNCTION_TRACE(ev_attach_region);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Adding Region [%4.4s] %p to address handler %p [%s]\n",
+ acpi_ut_get_node_name(region_obj->region.node),
+ region_obj, handler_obj,
+ acpi_ut_get_region_name(region_obj->region.
+ space_id)));
+
+ /* Link this region to the front of the handler's list */
+
+ region_obj->region.next = handler_obj->address_space.region_list;
+ handler_obj->address_space.region_list = region_obj;
+
+ /* Install the region's handler */
+
+ if (region_obj->region.handler) {
+ return_ACPI_STATUS(AE_ALREADY_EXISTS);
+ }
+
+ region_obj->region.handler = handler_obj;
+ acpi_ut_add_reference(handler_obj);
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_execute_reg_method
+ *
+ * PARAMETERS: region_obj - Region object
+ * function - Passed to _REG: On (1) or Off (0)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute _REG method for a region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
+{
+ struct acpi_evaluate_info *info;
+ union acpi_operand_object *args[3];
+ union acpi_operand_object *region_obj2;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_execute_reg_method);
+
+ region_obj2 = acpi_ns_get_secondary_object(region_obj);
+ if (!region_obj2) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ if (region_obj2->extra.method_REG == NULL) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Allocate and initialize the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = region_obj2->extra.method_REG;
+ info->relative_pathname = NULL;
+ info->parameters = args;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+ /*
+ * The _REG method has two arguments:
+ *
+ * arg0 - Integer:
+ * Operation region space ID Same value as region_obj->Region.space_id
+ *
+ * arg1 - Integer:
+ * connection status 1 for connecting the handler, 0 for disconnecting
+ * the handler (Passed as a parameter)
+ */
+ args[0] =
+ acpi_ut_create_integer_object((u64)region_obj->region.space_id);
+ if (!args[0]) {
+ status = AE_NO_MEMORY;
+ goto cleanup1;
+ }
+
+ args[1] = acpi_ut_create_integer_object((u64)function);
+ if (!args[1]) {
+ status = AE_NO_MEMORY;
+ goto cleanup2;
+ }
+
+ args[2] = NULL; /* Terminate list */
+
+ /* Execute the method, no return value */
+
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_METHOD, info->prefix_node, NULL));
+
+ status = acpi_ns_evaluate(info);
+ acpi_ut_remove_reference(args[1]);
+
+cleanup2:
+ acpi_ut_remove_reference(args[0]);
+
+cleanup1:
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_execute_reg_methods
+ *
+ * PARAMETERS: node - Namespace node for the device
+ * space_id - The address space ID
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Run all _REG methods for the input Space ID;
+ * Note: assumes namespace is locked, or system init time.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
+
+ /*
+ * Run all _REG methods for all Operation Regions for this space ID. This
+ * is a separate walk in order to handle any interdependencies between
+ * regions and _REG methods. (i.e. handlers must be installed for all
+ * regions of this Space ID before we can run any _REG methods)
+ */
+ status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
+ ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
+ NULL, &space_id, NULL);
+
+ /* Special case for EC: handle "orphan" _REG methods with no region */
+
+ if (space_id == ACPI_ADR_SPACE_EC) {
+ acpi_ev_orphan_ec_reg_method(node);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_reg_run
+ *
+ * PARAMETERS: walk_namespace callback
+ *
+ * DESCRIPTION: Run _REG method for region objects of the requested spaceID
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ev_reg_run(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value)
+{
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ acpi_adr_space_type space_id;
+ acpi_status status;
+
+ space_id = *ACPI_CAST_PTR(acpi_adr_space_type, context);
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(obj_handle);
+ if (!node) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * We only care about regions.and objects that are allowed to have address
+ * space handlers
+ */
+ if ((node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
+ return (AE_OK);
+ }
+
+ /* Check for an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /* No object, just exit */
+
+ return (AE_OK);
+ }
+
+ /* Object is a Region */
+
+ if (obj_desc->region.space_id != space_id) {
+
+ /* This region is for a different address space, just ignore it */
+
+ return (AE_OK);
+ }
+
+ status = acpi_ev_execute_reg_method(obj_desc, ACPI_REG_CONNECT);
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_orphan_ec_reg_method
+ *
+ * PARAMETERS: ec_device_node - Namespace node for an EC device
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Execute an "orphan" _REG method that appears under the EC
+ * device. This is a _REG method that has no corresponding region
+ * within the EC device scope. The orphan _REG method appears to
+ * have been enabled by the description of the ECDT in the ACPI
+ * specification: "The availability of the region space can be
+ * detected by providing a _REG method object underneath the
+ * Embedded Controller device."
+ *
+ * To quickly access the EC device, we use the ec_device_node used
+ * during EC handler installation. Otherwise, we would need to
+ * perform a time consuming namespace walk, executing _HID
+ * methods to find the EC device.
+ *
+ * MUTEX: Assumes the namespace is locked
+ *
+ ******************************************************************************/
+
+static void
+acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node)
+{
+ acpi_handle reg_method;
+ struct acpi_namespace_node *next_node;
+ acpi_status status;
+ struct acpi_object_list args;
+ union acpi_object objects[2];
+
+ ACPI_FUNCTION_TRACE(ev_orphan_ec_reg_method);
+
+ if (!ec_device_node) {
+ return_VOID;
+ }
+
+ /* Namespace is currently locked, must release */
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+ /* Get a handle to a _REG method immediately under the EC device */
+
+ status = acpi_get_handle(ec_device_node, METHOD_NAME__REG, &reg_method);
+ if (ACPI_FAILURE(status)) {
+ goto exit; /* There is no _REG method present */
+ }
+
+ /*
+ * Execute the _REG method only if there is no Operation Region in
+ * this scope with the Embedded Controller space ID. Otherwise, it
+ * will already have been executed. Note, this allows for Regions
+ * with other space IDs to be present; but the code below will then
+ * execute the _REG method with the embedded_control space_ID argument.
+ */
+ next_node = acpi_ns_get_next_node(ec_device_node, NULL);
+ while (next_node) {
+ if ((next_node->type == ACPI_TYPE_REGION) &&
+ (next_node->object) &&
+ (next_node->object->region.space_id == ACPI_ADR_SPACE_EC)) {
+ goto exit; /* Do not execute the _REG */
+ }
+
+ next_node = acpi_ns_get_next_node(ec_device_node, next_node);
+ }
+
+ /* Evaluate the _REG(embedded_control,Connect) method */
+
+ args.count = 2;
+ args.pointer = objects;
+ objects[0].type = ACPI_TYPE_INTEGER;
+ objects[0].integer.value = ACPI_ADR_SPACE_EC;
+ objects[1].type = ACPI_TYPE_INTEGER;
+ objects[1].integer.value = ACPI_REG_CONNECT;
+
+ status = acpi_evaluate_object(reg_method, NULL, &args, NULL);
+
+exit:
+ /* We ignore all errors from above, don't care */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ return_VOID;
+}
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
new file mode 100644
index 00000000000..1b148a440d6
--- /dev/null
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -0,0 +1,675 @@
+/******************************************************************************
+ *
+ * Module Name: evrgnini- ACPI address_space (op_region) init
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evrgnini")
+
+/* Local prototypes */
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_system_memory_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Setup a system_memory operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_system_memory_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ union acpi_operand_object *region_desc =
+ (union acpi_operand_object *)handle;
+ struct acpi_mem_space_context *local_region_context;
+
+ ACPI_FUNCTION_TRACE(ev_system_memory_region_setup);
+
+ if (function == ACPI_REGION_DEACTIVATE) {
+ if (*region_context) {
+ local_region_context =
+ (struct acpi_mem_space_context *)*region_context;
+
+ /* Delete a cached mapping if present */
+
+ if (local_region_context->mapped_length) {
+ acpi_os_unmap_memory(local_region_context->
+ mapped_logical_address,
+ local_region_context->
+ mapped_length);
+ }
+ ACPI_FREE(local_region_context);
+ *region_context = NULL;
+ }
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Create a new context */
+
+ local_region_context =
+ ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_mem_space_context));
+ if (!(local_region_context)) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Save the region length and address for use in the handler */
+
+ local_region_context->length = region_desc->region.length;
+ local_region_context->address = region_desc->region.address;
+
+ *region_context = local_region_context;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_io_space_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Setup a IO operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_io_space_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ ACPI_FUNCTION_TRACE(ev_io_space_region_setup);
+
+ if (function == ACPI_REGION_DEACTIVATE) {
+ *region_context = NULL;
+ } else {
+ *region_context = handler_context;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_pci_config_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Setup a PCI_Config operation region
+ *
+ * MUTEX: Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_pci_config_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ acpi_status status = AE_OK;
+ u64 pci_value;
+ struct acpi_pci_id *pci_id = *region_context;
+ union acpi_operand_object *handler_obj;
+ struct acpi_namespace_node *parent_node;
+ struct acpi_namespace_node *pci_root_node;
+ struct acpi_namespace_node *pci_device_node;
+ union acpi_operand_object *region_obj =
+ (union acpi_operand_object *)handle;
+
+ ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
+
+ handler_obj = region_obj->region.handler;
+ if (!handler_obj) {
+ /*
+ * No installed handler. This shouldn't happen because the dispatch
+ * routine checks before we get here, but we check again just in case.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Attempting to init a region %p, with no handler\n",
+ region_obj));
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ *region_context = NULL;
+ if (function == ACPI_REGION_DEACTIVATE) {
+ if (pci_id) {
+ ACPI_FREE(pci_id);
+ }
+ return_ACPI_STATUS(status);
+ }
+
+ parent_node = region_obj->region.node->parent;
+
+ /*
+ * Get the _SEG and _BBN values from the device upon which the handler
+ * is installed.
+ *
+ * We need to get the _SEG and _BBN objects relative to the PCI BUS device.
+ * This is the device the handler has been registered to handle.
+ */
+
+ /*
+ * If the address_space.Node is still pointing to the root, we need
+ * to scan upward for a PCI Root bridge and re-associate the op_region
+ * handlers with that device.
+ */
+ if (handler_obj->address_space.node == acpi_gbl_root_node) {
+
+ /* Start search from the parent object */
+
+ pci_root_node = parent_node;
+ while (pci_root_node != acpi_gbl_root_node) {
+
+ /* Get the _HID/_CID in order to detect a root_bridge */
+
+ if (acpi_ev_is_pci_root_bridge(pci_root_node)) {
+
+ /* Install a handler for this PCI root bridge */
+
+ status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_SAME_HANDLER) {
+ /*
+ * It is OK if the handler is already installed on the
+ * root bridge. Still need to return a context object
+ * for the new PCI_Config operation region, however.
+ */
+ status = AE_OK;
+ } else {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not install PciConfig handler "
+ "for Root Bridge %4.4s",
+ acpi_ut_get_node_name
+ (pci_root_node)));
+ }
+ }
+ break;
+ }
+
+ pci_root_node = pci_root_node->parent;
+ }
+
+ /* PCI root bridge not found, use namespace root node */
+ } else {
+ pci_root_node = handler_obj->address_space.node;
+ }
+
+ /*
+ * If this region is now initialized, we are done.
+ * (install_address_space_handler could have initialized it)
+ */
+ if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Region is still not initialized. Create a new context */
+
+ pci_id = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pci_id));
+ if (!pci_id) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * For PCI_Config space access, we need the segment, bus, device and
+ * function numbers. Acquire them here.
+ *
+ * Find the parent device object. (This allows the operation region to be
+ * within a subscope under the device, such as a control method.)
+ */
+ pci_device_node = region_obj->region.node;
+ while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
+ pci_device_node = pci_device_node->parent;
+ }
+
+ if (!pci_device_node) {
+ ACPI_FREE(pci_id);
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * Get the PCI device and function numbers from the _ADR object
+ * contained in the parent's scope.
+ */
+ status = acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR,
+ pci_device_node, &pci_value);
+
+ /*
+ * The default is zero, and since the allocation above zeroed the data,
+ * just do nothing on failure.
+ */
+ if (ACPI_SUCCESS(status)) {
+ pci_id->device = ACPI_HIWORD(ACPI_LODWORD(pci_value));
+ pci_id->function = ACPI_LOWORD(ACPI_LODWORD(pci_value));
+ }
+
+ /* The PCI segment number comes from the _SEG method */
+
+ status = acpi_ut_evaluate_numeric_object(METHOD_NAME__SEG,
+ pci_root_node, &pci_value);
+ if (ACPI_SUCCESS(status)) {
+ pci_id->segment = ACPI_LOWORD(pci_value);
+ }
+
+ /* The PCI bus number comes from the _BBN method */
+
+ status = acpi_ut_evaluate_numeric_object(METHOD_NAME__BBN,
+ pci_root_node, &pci_value);
+ if (ACPI_SUCCESS(status)) {
+ pci_id->bus = ACPI_LOWORD(pci_value);
+ }
+
+ /* Complete/update the PCI ID for this device */
+
+ status =
+ acpi_hw_derive_pci_id(pci_id, pci_root_node,
+ region_obj->region.node);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(pci_id);
+ return_ACPI_STATUS(status);
+ }
+
+ *region_context = pci_id;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_is_pci_root_bridge
+ *
+ * PARAMETERS: node - Device node being examined
+ *
+ * RETURN: TRUE if device is a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input device represents a PCI Root Bridge by
+ * examining the _HID and _CID for the device.
+ *
+ ******************************************************************************/
+
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
+{
+ acpi_status status;
+ struct acpi_pnp_device_id *hid;
+ struct acpi_pnp_device_id_list *cid;
+ u32 i;
+ u8 match;
+
+ /* Get the _HID and check for a PCI Root Bridge */
+
+ status = acpi_ut_execute_HID(node, &hid);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+
+ match = acpi_ut_is_pci_root_bridge(hid->string);
+ ACPI_FREE(hid);
+
+ if (match) {
+ return (TRUE);
+ }
+
+ /* The _HID did not match. Get the _CID and check for a PCI Root Bridge */
+
+ status = acpi_ut_execute_CID(node, &cid);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+
+ /* Check all _CIDs in the returned list */
+
+ for (i = 0; i < cid->count; i++) {
+ if (acpi_ut_is_pci_root_bridge(cid->ids[i].string)) {
+ ACPI_FREE(cid);
+ return (TRUE);
+ }
+ }
+
+ ACPI_FREE(cid);
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_pci_bar_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Setup a pci_BAR operation region
+ *
+ * MUTEX: Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_pci_bar_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ ACPI_FUNCTION_TRACE(ev_pci_bar_region_setup);
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_cmos_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Setup a CMOS operation region
+ *
+ * MUTEX: Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_cmos_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ ACPI_FUNCTION_TRACE(ev_cmos_region_setup);
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_default_region_setup
+ *
+ * PARAMETERS: handle - Region we are interested in
+ * function - Start or stop
+ * handler_context - Address space handler context
+ * region_context - Region specific context
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Default region initialization
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_default_region_setup(acpi_handle handle,
+ u32 function,
+ void *handler_context, void **region_context)
+{
+ ACPI_FUNCTION_TRACE(ev_default_region_setup);
+
+ if (function == ACPI_REGION_DEACTIVATE) {
+ *region_context = NULL;
+ } else {
+ *region_context = handler_context;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_region
+ *
+ * PARAMETERS: region_obj - Region we are initializing
+ * acpi_ns_locked - Is namespace locked?
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initializes the region, finds any _REG methods and saves them
+ * for execution at a later time
+ *
+ * Get the appropriate address space handler for a newly
+ * created region.
+ *
+ * This also performs address space specific initialization. For
+ * example, PCI regions must have an _ADR object that contains
+ * a PCI address in the scope of the definition. This address is
+ * required to perform an access to PCI config space.
+ *
+ * MUTEX: Interpreter should be unlocked, because we may run the _REG
+ * method for this region.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_initialize_region(union acpi_operand_object *region_obj,
+ u8 acpi_ns_locked)
+{
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *obj_desc;
+ acpi_adr_space_type space_id;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ struct acpi_namespace_node *method_node;
+ acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
+ union acpi_operand_object *region_obj2;
+
+ ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked);
+
+ if (!region_obj) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (region_obj->common.flags & AOPOBJ_OBJECT_INITIALIZED) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ region_obj2 = acpi_ns_get_secondary_object(region_obj);
+ if (!region_obj2) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ node = region_obj->region.node->parent;
+ space_id = region_obj->region.space_id;
+
+ /* Setup defaults */
+
+ region_obj->region.handler = NULL;
+ region_obj2->extra.method_REG = NULL;
+ region_obj->common.flags &= ~(AOPOBJ_SETUP_COMPLETE);
+ region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED;
+
+ /* Find any "_REG" method associated with this region definition */
+
+ status =
+ acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
+ &method_node);
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * The _REG method is optional and there can be only one per region
+ * definition. This will be executed when the handler is attached
+ * or removed
+ */
+ region_obj2->extra.method_REG = method_node;
+ }
+
+ /*
+ * The following loop depends upon the root Node having no parent
+ * ie: acpi_gbl_root_node->parent_entry being set to NULL
+ */
+ while (node) {
+
+ /* Check to see if a handler exists */
+
+ handler_obj = NULL;
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+
+ /* Can only be a handler if the object exists */
+
+ switch (node->type) {
+ case ACPI_TYPE_DEVICE:
+
+ handler_obj = obj_desc->device.handler;
+ break;
+
+ case ACPI_TYPE_PROCESSOR:
+
+ handler_obj = obj_desc->processor.handler;
+ break;
+
+ case ACPI_TYPE_THERMAL:
+
+ handler_obj = obj_desc->thermal_zone.handler;
+ break;
+
+ case ACPI_TYPE_METHOD:
+ /*
+ * If we are executing module level code, the original
+ * Node's object was replaced by this Method object and we
+ * saved the handler in the method object.
+ *
+ * See acpi_ns_exec_module_code
+ */
+ if (obj_desc->method.
+ info_flags & ACPI_METHOD_MODULE_LEVEL) {
+ handler_obj =
+ obj_desc->method.dispatch.handler;
+ }
+ break;
+
+ default:
+
+ /* Ignore other objects */
+
+ break;
+ }
+
+ while (handler_obj) {
+
+ /* Is this handler of the correct type? */
+
+ if (handler_obj->address_space.space_id ==
+ space_id) {
+
+ /* Found correct handler */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Found handler %p for region %p in obj %p\n",
+ handler_obj,
+ region_obj,
+ obj_desc));
+
+ status =
+ acpi_ev_attach_region(handler_obj,
+ region_obj,
+ acpi_ns_locked);
+
+ /*
+ * Tell all users that this region is usable by
+ * running the _REG method
+ */
+ if (acpi_ns_locked) {
+ status =
+ acpi_ut_release_mutex
+ (ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS
+ (status);
+ }
+ }
+
+ status =
+ acpi_ev_execute_reg_method
+ (region_obj, ACPI_REG_CONNECT);
+
+ if (acpi_ns_locked) {
+ status =
+ acpi_ut_acquire_mutex
+ (ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS
+ (status);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Try next handler in the list */
+
+ handler_obj = handler_obj->address_space.next;
+ }
+ }
+
+ /* This node does not have the handler we need; Pop up one level */
+
+ node = node->parent;
+ }
+
+ /* If we get here, there is no handler for this region */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "No handler for RegionType %s(%X) (RegionObj %p)\n",
+ acpi_ut_get_region_name(space_id), space_id,
+ region_obj));
+
+ return_ACPI_STATUS(AE_NOT_EXIST);
+}
diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c
new file mode 100644
index 00000000000..29630e30382
--- /dev/null
+++ b/drivers/acpi/acpica/evsci.c
@@ -0,0 +1,250 @@
+/*******************************************************************************
+ *
+ * Module Name: evsci - System Control Interrupt configuration and
+ * legacy to ACPI mode state transition functions
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evsci")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_sci_dispatch
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Dispatch the SCI to all host-installed SCI handlers.
+ *
+ ******************************************************************************/
+
+u32 acpi_ev_sci_dispatch(void)
+{
+ struct acpi_sci_handler_info *sci_handler;
+ acpi_cpu_flags flags;
+ u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
+
+ ACPI_FUNCTION_NAME(ev_sci_dispatch);
+
+ /* Are there any host-installed SCI handlers? */
+
+ if (!acpi_gbl_sci_handler_list) {
+ return (int_status);
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Invoke all host-installed SCI handlers */
+
+ sci_handler = acpi_gbl_sci_handler_list;
+ while (sci_handler) {
+
+ /* Invoke the installed handler (at interrupt level) */
+
+ int_status |= sci_handler->address(sci_handler->context);
+
+ sci_handler = sci_handler->next;
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return (int_status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_sci_xrupt_handler
+ *
+ * PARAMETERS: context - Calling Context
+ *
+ * RETURN: Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Interrupt handler that will figure out what function or
+ * control method to call to deal with a SCI.
+ *
+ ******************************************************************************/
+
+static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
+{
+ struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
+ u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
+
+ ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler);
+
+ /*
+ * We are guaranteed by the ACPICA initialization/shutdown code that
+ * if this interrupt handler is installed, ACPI is enabled.
+ */
+
+ /*
+ * Fixed Events:
+ * Check for and dispatch any Fixed Events that have occurred
+ */
+ interrupt_handled |= acpi_ev_fixed_event_detect();
+
+ /*
+ * General Purpose Events:
+ * Check for and dispatch any GPEs that have occurred
+ */
+ interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
+
+ /* Invoke all host-installed SCI handlers */
+
+ interrupt_handled |= acpi_ev_sci_dispatch();
+
+ acpi_sci_count++;
+ return_UINT32(interrupt_handled);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_gpe_xrupt_handler
+ *
+ * PARAMETERS: context - Calling Context
+ *
+ * RETURN: Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Handler for GPE Block Device interrupts
+ *
+ ******************************************************************************/
+
+u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context)
+{
+ struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
+ u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
+
+ ACPI_FUNCTION_TRACE(ev_gpe_xrupt_handler);
+
+ /*
+ * We are guaranteed by the ACPICA initialization/shutdown code that
+ * if this interrupt handler is installed, ACPI is enabled.
+ */
+
+ /* GPEs: Check for and dispatch any GPEs that have occurred */
+
+ interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
+ return_UINT32(interrupt_handled);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_sci_handler
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Installs SCI handler.
+ *
+ ******************************************************************************/
+
+u32 acpi_ev_install_sci_handler(void)
+{
+ u32 status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ev_install_sci_handler);
+
+ status =
+ acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+ acpi_ev_sci_xrupt_handler,
+ acpi_gbl_gpe_xrupt_list_head);
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ev_remove_all_sci_handlers
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: AE_OK if handler uninstalled, AE_ERROR if handler was not
+ * installed to begin with
+ *
+ * DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be
+ * taken. Remove all host-installed SCI handlers.
+ *
+ * Note: It doesn't seem important to disable all events or set the event
+ * enable registers to their original values. The OS should disable
+ * the SCI interrupt level when the handler is removed, so no more
+ * events will come in.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_remove_all_sci_handlers(void)
+{
+ struct acpi_sci_handler_info *sci_handler;
+ acpi_cpu_flags flags;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ev_remove_all_sci_handlers);
+
+ /* Just let the OS remove the handler and disable the level */
+
+ status =
+ acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+ acpi_ev_sci_xrupt_handler);
+
+ if (!acpi_gbl_sci_handler_list) {
+ return (status);
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Free all host-installed SCI handlers */
+
+ while (acpi_gbl_sci_handler_list) {
+ sci_handler = acpi_gbl_sci_handler_list;
+ acpi_gbl_sci_handler_list = sci_handler->next;
+ ACPI_FREE(sci_handler);
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
new file mode 100644
index 00000000000..11e5803b8b4
--- /dev/null
+++ b/drivers/acpi/acpica/evxface.c
@@ -0,0 +1,1002 @@
+/******************************************************************************
+ *
+ * Module Name: evxface - External interfaces for ACPI events
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_notify_handler
+ *
+ * PARAMETERS: device - The device for which notifies will be handled
+ * handler_type - The type of handler:
+ * ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
+ * ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
+ * ACPI_ALL_NOTIFY: Both System and Device
+ * handler - Address of the handler
+ * context - Value passed to the handler on each GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for notifications on an ACPI Device,
+ * thermal_zone, or Processor object.
+ *
+ * NOTES: The Root namespace object may have only one handler for each
+ * type of notify (System/Device). Device/Thermal/Processor objects
+ * may have one device notify handler, and multiple system notify
+ * handlers.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_notify_handler(acpi_handle device,
+ u32 handler_type,
+ acpi_notify_handler handler, void *context)
+{
+ struct acpi_namespace_node *node =
+ ACPI_CAST_PTR(struct acpi_namespace_node, device);
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(acpi_install_notify_handler);
+
+ /* Parameter validation */
+
+ if ((!device) || (!handler) || (!handler_type) ||
+ (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Root Object:
+ * Registering a notify handler on the root object indicates that the
+ * caller wishes to receive notifications for all objects. Note that
+ * only one global handler can be registered per notify type.
+ * Ensure that a handler is not already installed.
+ */
+ if (device == ACPI_ROOT_OBJECT) {
+ for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
+ if (handler_type & (i + 1)) {
+ if (acpi_gbl_global_notify[i].handler) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock_and_exit;
+ }
+
+ acpi_gbl_global_notify[i].handler = handler;
+ acpi_gbl_global_notify[i].context = context;
+ }
+ }
+
+ goto unlock_and_exit; /* Global notify handler installed, all done */
+ }
+
+ /*
+ * All Other Objects:
+ * Caller will only receive notifications specific to the target
+ * object. Note that only certain object types are allowed to
+ * receive notifications.
+ */
+
+ /* Are Notifies allowed on this object? */
+
+ if (!acpi_ev_is_notify_object(node)) {
+ status = AE_TYPE;
+ goto unlock_and_exit;
+ }
+
+ /* Check for an existing internal object, might not exist */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /* Create a new object */
+
+ obj_desc = acpi_ut_create_internal_object(node->type);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ /* Attach new object to the Node, remove local reference */
+
+ status = acpi_ns_attach_object(device, obj_desc, node->type);
+ acpi_ut_remove_reference(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+ }
+
+ /* Ensure that the handler is not already installed in the lists */
+
+ for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
+ if (handler_type & (i + 1)) {
+ handler_obj = obj_desc->common_notify.notify_list[i];
+ while (handler_obj) {
+ if (handler_obj->notify.handler == handler) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock_and_exit;
+ }
+
+ handler_obj = handler_obj->notify.next[i];
+ }
+ }
+ }
+
+ /* Create and populate a new notify handler object */
+
+ handler_obj = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_NOTIFY);
+ if (!handler_obj) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ handler_obj->notify.node = node;
+ handler_obj->notify.handler_type = handler_type;
+ handler_obj->notify.handler = handler;
+ handler_obj->notify.context = context;
+
+ /* Install the handler at the list head(s) */
+
+ for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
+ if (handler_type & (i + 1)) {
+ handler_obj->notify.next[i] =
+ obj_desc->common_notify.notify_list[i];
+
+ obj_desc->common_notify.notify_list[i] = handler_obj;
+ }
+ }
+
+ /* Add an extra reference if handler was installed in both lists */
+
+ if (handler_type == ACPI_ALL_NOTIFY) {
+ acpi_ut_add_reference(handler_obj);
+ }
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_notify_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_notify_handler
+ *
+ * PARAMETERS: device - The device for which the handler is installed
+ * handler_type - The type of handler:
+ * ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
+ * ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
+ * ACPI_ALL_NOTIFY: Both System and Device
+ * handler - Address of the handler
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a handler for notifies on an ACPI device
+ *
+ ******************************************************************************/
+acpi_status
+acpi_remove_notify_handler(acpi_handle device,
+ u32 handler_type, acpi_notify_handler handler)
+{
+ struct acpi_namespace_node *node =
+ ACPI_CAST_PTR(struct acpi_namespace_node, device);
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *previous_handler_obj;
+ acpi_status status = AE_OK;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
+
+ /* Parameter validation */
+
+ if ((!device) || (!handler) || (!handler_type) ||
+ (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Root Object. Global handlers are removed here */
+
+ if (device == ACPI_ROOT_OBJECT) {
+ for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
+ if (handler_type & (i + 1)) {
+ status =
+ acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (!acpi_gbl_global_notify[i].handler ||
+ (acpi_gbl_global_notify[i].handler !=
+ handler)) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Removing global notify handler\n"));
+
+ acpi_gbl_global_notify[i].handler = NULL;
+ acpi_gbl_global_notify[i].context = NULL;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+ /* Make sure all deferred notify tasks are completed */
+
+ acpi_os_wait_events_complete();
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* All other objects: Are Notifies allowed on this object? */
+
+ if (!acpi_ev_is_notify_object(node)) {
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /* Must have an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Internal object exists. Find the handler and remove it */
+
+ for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
+ if (handler_type & (i + 1)) {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ handler_obj = obj_desc->common_notify.notify_list[i];
+ previous_handler_obj = NULL;
+
+ /* Attempt to find the handler in the handler list */
+
+ while (handler_obj &&
+ (handler_obj->notify.handler != handler)) {
+ previous_handler_obj = handler_obj;
+ handler_obj = handler_obj->notify.next[i];
+ }
+
+ if (!handler_obj) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ /* Remove the handler object from the list */
+
+ if (previous_handler_obj) { /* Handler is not at the list head */
+ previous_handler_obj->notify.next[i] =
+ handler_obj->notify.next[i];
+ } else { /* Handler is at the list head */
+
+ obj_desc->common_notify.notify_list[i] =
+ handler_obj->notify.next[i];
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+ /* Make sure all deferred notify tasks are completed */
+
+ acpi_os_wait_events_complete();
+ acpi_ut_remove_reference(handler_obj);
+ }
+ }
+
+ return_ACPI_STATUS(status);
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_exception_handler
+ *
+ * PARAMETERS: handler - Pointer to the handler function for the
+ * event
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Saves the pointer to the handler function
+ *
+ ******************************************************************************/
+#ifdef ACPI_FUTURE_USAGE
+acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_exception_handler);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Don't allow two handlers. */
+
+ if (acpi_gbl_exception_handler) {
+ status = AE_ALREADY_EXISTS;
+ goto cleanup;
+ }
+
+ /* Install the handler */
+
+ acpi_gbl_exception_handler = handler;
+
+cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
+#endif /* ACPI_FUTURE_USAGE */
+
+#if (!ACPI_REDUCED_HARDWARE)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_sci_handler
+ *
+ * PARAMETERS: address - Address of the handler
+ * context - Value passed to the handler on each SCI
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for a System Control Interrupt.
+ *
+ ******************************************************************************/
+acpi_status acpi_install_sci_handler(acpi_sci_handler address, void *context)
+{
+ struct acpi_sci_handler_info *new_sci_handler;
+ struct acpi_sci_handler_info *sci_handler;
+ acpi_cpu_flags flags;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_sci_handler);
+
+ if (!address) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Allocate and init a handler object */
+
+ new_sci_handler = ACPI_ALLOCATE(sizeof(struct acpi_sci_handler_info));
+ if (!new_sci_handler) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ new_sci_handler->address = address;
+ new_sci_handler->context = context;
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ /* Lock list during installation */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+ sci_handler = acpi_gbl_sci_handler_list;
+
+ /* Ensure handler does not already exist */
+
+ while (sci_handler) {
+ if (address == sci_handler->address) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock_and_exit;
+ }
+
+ sci_handler = sci_handler->next;
+ }
+
+ /* Install the new handler into the global list (at head) */
+
+ new_sci_handler->next = acpi_gbl_sci_handler_list;
+ acpi_gbl_sci_handler_list = new_sci_handler;
+
+unlock_and_exit:
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+exit:
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(new_sci_handler);
+ }
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_sci_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_sci_handler
+ *
+ * PARAMETERS: address - Address of the handler
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a handler for a System Control Interrupt.
+ *
+ ******************************************************************************/
+acpi_status acpi_remove_sci_handler(acpi_sci_handler address)
+{
+ struct acpi_sci_handler_info *prev_sci_handler;
+ struct acpi_sci_handler_info *next_sci_handler;
+ acpi_cpu_flags flags;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_sci_handler);
+
+ if (!address) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Remove the SCI handler with lock */
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ prev_sci_handler = NULL;
+ next_sci_handler = acpi_gbl_sci_handler_list;
+ while (next_sci_handler) {
+ if (next_sci_handler->address == address) {
+
+ /* Unlink and free the SCI handler info block */
+
+ if (prev_sci_handler) {
+ prev_sci_handler->next = next_sci_handler->next;
+ } else {
+ acpi_gbl_sci_handler_list =
+ next_sci_handler->next;
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ ACPI_FREE(next_sci_handler);
+ goto unlock_and_exit;
+ }
+
+ prev_sci_handler = next_sci_handler;
+ next_sci_handler = next_sci_handler->next;
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ status = AE_NOT_EXIST;
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_sci_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_global_event_handler
+ *
+ * PARAMETERS: handler - Pointer to the global event handler function
+ * context - Value passed to the handler on each event
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Saves the pointer to the handler function. The global handler
+ * is invoked upon each incoming GPE and Fixed Event. It is
+ * invoked at interrupt level at the time of the event dispatch.
+ * Can be used to update event counters, etc.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_global_event_handler(acpi_gbl_event_handler handler, void *context)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_global_event_handler);
+
+ /* Parameter validation */
+
+ if (!handler) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Don't allow two handlers. */
+
+ if (acpi_gbl_global_event_handler) {
+ status = AE_ALREADY_EXISTS;
+ goto cleanup;
+ }
+
+ acpi_gbl_global_event_handler = handler;
+ acpi_gbl_global_event_handler_context = context;
+
+cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_global_event_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_fixed_event_handler
+ *
+ * PARAMETERS: event - Event type to enable.
+ * handler - Pointer to the handler function for the
+ * event
+ * context - Value passed to the handler on each GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Saves the pointer to the handler function and then enables the
+ * event.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_fixed_event_handler(u32 event,
+ acpi_event_handler handler, void *context)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler);
+
+ /* Parameter validation */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Do not allow multiple handlers */
+
+ if (acpi_gbl_fixed_event_handlers[event].handler) {
+ status = AE_ALREADY_EXISTS;
+ goto cleanup;
+ }
+
+ /* Install the handler before enabling the event */
+
+ acpi_gbl_fixed_event_handlers[event].handler = handler;
+ acpi_gbl_fixed_event_handlers[event].context = context;
+
+ status = acpi_clear_event(event);
+ if (ACPI_SUCCESS(status))
+ status = acpi_enable_event(event, 0);
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO,
+ "Could not enable fixed event - %s (%u)",
+ acpi_ut_get_event_name(event), event));
+
+ /* Remove the handler */
+
+ acpi_gbl_fixed_event_handlers[event].handler = NULL;
+ acpi_gbl_fixed_event_handlers[event].context = NULL;
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Enabled fixed event %s (%X), Handler=%p\n",
+ acpi_ut_get_event_name(event), event,
+ handler));
+ }
+
+cleanup:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_fixed_event_handler
+ *
+ * PARAMETERS: event - Event type to disable.
+ * handler - Address of the handler
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disables the event and unregisters the event handler.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler);
+
+ /* Parameter validation */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Disable the event before removing the handler */
+
+ status = acpi_disable_event(event, 0);
+
+ /* Always Remove the handler */
+
+ acpi_gbl_fixed_event_handlers[event].handler = NULL;
+ acpi_gbl_fixed_event_handlers[event].context = NULL;
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO,
+ "Could not disable fixed event - %s (%u)",
+ acpi_ut_get_event_name(event), event));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Disabled fixed event - %s (%X)\n",
+ acpi_ut_get_event_name(event), event));
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_gpe_handler
+ *
+ * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT
+ * defined GPEs)
+ * gpe_number - The GPE number within the GPE block
+ * type - Whether this GPE should be treated as an
+ * edge- or level-triggered interrupt.
+ * address - Address of the handler
+ * context - Value passed to the handler on each GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for a General Purpose Event.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_gpe_handler(acpi_handle gpe_device,
+ u32 gpe_number,
+ u32 type, acpi_gpe_handler address, void *context)
+{
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_handler_info *handler;
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_install_gpe_handler);
+
+ /* Parameter validation */
+
+ if ((!address) || (type & ~ACPI_GPE_XRUPT_TYPE_MASK)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Allocate and init handler object (before lock) */
+
+ handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_handler_info));
+ if (!handler) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto free_and_exit;
+ }
+
+ /* Make sure that there isn't a handler there already */
+
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_HANDLER) {
+ status = AE_ALREADY_EXISTS;
+ goto free_and_exit;
+ }
+
+ handler->address = address;
+ handler->context = context;
+ handler->method_node = gpe_event_info->dispatch.method_node;
+ handler->original_flags = (u8)(gpe_event_info->flags &
+ (ACPI_GPE_XRUPT_TYPE_MASK |
+ ACPI_GPE_DISPATCH_MASK));
+
+ /*
+ * If the GPE is associated with a method, it may have been enabled
+ * automatically during initialization, in which case it has to be
+ * disabled now to avoid spurious execution of the handler.
+ */
+
+ if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD)
+ && gpe_event_info->runtime_count) {
+ handler->originally_enabled = 1;
+ (void)acpi_ev_remove_gpe_reference(gpe_event_info);
+ }
+
+ /* Install the handler */
+
+ gpe_event_info->dispatch.handler = handler;
+
+ /* Setup up dispatch flags to indicate handler (vs. method/notify) */
+
+ gpe_event_info->flags &=
+ ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
+ gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER);
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+
+free_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ ACPI_FREE(handler);
+ goto unlock_and_exit;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_gpe_handler
+ *
+ * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT
+ * defined GPEs)
+ * gpe_number - The event to remove a handler
+ * address - Address of the handler
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a handler for a General Purpose acpi_event.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_remove_gpe_handler(acpi_handle gpe_device,
+ u32 gpe_number, acpi_gpe_handler address)
+{
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_handler_info *handler;
+ acpi_status status;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_gpe_handler);
+
+ /* Parameter validation */
+
+ if (!address) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Make sure that a handler is indeed installed */
+
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) !=
+ ACPI_GPE_DISPATCH_HANDLER) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ /* Make sure that the installed handler is the same */
+
+ if (gpe_event_info->dispatch.handler->address != address) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Remove the handler */
+
+ handler = gpe_event_info->dispatch.handler;
+
+ /* Restore Method node (if any), set dispatch flags */
+
+ gpe_event_info->dispatch.method_node = handler->method_node;
+ gpe_event_info->flags &=
+ ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
+ gpe_event_info->flags |= handler->original_flags;
+
+ /*
+ * If the GPE was previously associated with a method and it was
+ * enabled, it should be enabled at this point to restore the
+ * post-initialization configuration.
+ */
+ if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) &&
+ handler->originally_enabled) {
+ (void)acpi_ev_add_gpe_reference(gpe_event_info);
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ /* Make sure all deferred GPE tasks are completed */
+
+ acpi_os_wait_events_complete();
+
+ /* Now we can free the handler object */
+
+ ACPI_FREE(handler);
+ return_ACPI_STATUS(status);
+
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_acquire_global_lock
+ *
+ * PARAMETERS: timeout - How long the caller is willing to wait
+ * handle - Where the handle to the lock is returned
+ * (if acquired)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire the ACPI Global Lock
+ *
+ * Note: Allows callers with the same thread ID to acquire the global lock
+ * multiple times. In other words, externally, the behavior of the global lock
+ * is identical to an AML mutex. On the first acquire, a new handle is
+ * returned. On any subsequent calls to acquire by the same thread, the same
+ * handle is returned.
+ *
+ ******************************************************************************/
+acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
+{
+ acpi_status status;
+
+ if (!handle) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Must lock interpreter to prevent race conditions */
+
+ acpi_ex_enter_interpreter();
+
+ status = acpi_ex_acquire_mutex_object(timeout,
+ acpi_gbl_global_lock_mutex,
+ acpi_os_get_thread_id());
+
+ if (ACPI_SUCCESS(status)) {
+
+ /* Return the global lock handle (updated in acpi_ev_acquire_global_lock) */
+
+ *handle = acpi_gbl_global_lock_handle;
+ }
+
+ acpi_ex_exit_interpreter();
+ return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_acquire_global_lock)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_release_global_lock
+ *
+ * PARAMETERS: handle - Returned from acpi_acquire_global_lock
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release the ACPI Global Lock. The handle must be valid.
+ *
+ ******************************************************************************/
+acpi_status acpi_release_global_lock(u32 handle)
+{
+ acpi_status status;
+
+ if (!handle || (handle != acpi_gbl_global_lock_handle)) {
+ return (AE_NOT_ACQUIRED);
+ }
+
+ status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex);
+ return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_release_global_lock)
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
new file mode 100644
index 00000000000..e286640ad4f
--- /dev/null
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -0,0 +1,368 @@
+/******************************************************************************
+ *
+ * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evxfevnt")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_enable
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Transfers the system into ACPI mode.
+ *
+ ******************************************************************************/
+acpi_status acpi_enable(void)
+{
+ acpi_status status;
+ int retry;
+
+ ACPI_FUNCTION_TRACE(acpi_enable);
+
+ /* ACPI tables must be present */
+
+ if (!acpi_tb_tables_loaded()) {
+ return_ACPI_STATUS(AE_NO_ACPI_TABLES);
+ }
+
+ /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Check current mode */
+
+ if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "System is already in ACPI mode\n"));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Transition to ACPI mode */
+
+ status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not transition to ACPI mode"));
+ return_ACPI_STATUS(status);
+ }
+
+ /* Sanity check that transition succeeded */
+
+ for (retry = 0; retry < 30000; ++retry) {
+ if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
+ if (retry != 0)
+ ACPI_WARNING((AE_INFO,
+ "Platform took > %d00 usec to enter ACPI mode", retry));
+ return_ACPI_STATUS(AE_OK);
+ }
+ acpi_os_stall(100); /* 100 usec */
+ }
+
+ ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));
+ return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_enable)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_disable
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.
+ *
+ ******************************************************************************/
+acpi_status acpi_disable(void)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(acpi_disable);
+
+ /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "System is already in legacy (non-ACPI) mode\n"));
+ } else {
+ /* Transition to LEGACY mode */
+
+ status = acpi_hw_set_mode(ACPI_SYS_MODE_LEGACY);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not exit ACPI mode to legacy mode"));
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI mode disabled\n"));
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_disable)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_enable_event
+ *
+ * PARAMETERS: event - The fixed eventto be enabled
+ * flags - Reserved
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable an ACPI event (fixed)
+ *
+ ******************************************************************************/
+acpi_status acpi_enable_event(u32 event, u32 flags)
+{
+ acpi_status status = AE_OK;
+ u32 value;
+
+ ACPI_FUNCTION_TRACE(acpi_enable_event);
+
+ /* Decode the Fixed Event */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Enable the requested fixed event (by writing a one to the enable
+ * register bit)
+ */
+ status =
+ acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, ACPI_ENABLE_EVENT);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Make sure that the hardware responded */
+
+ status =
+ acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, &value);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (value != 1) {
+ ACPI_ERROR((AE_INFO,
+ "Could not enable %s event",
+ acpi_ut_get_event_name(event)));
+ return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_enable_event)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_disable_event
+ *
+ * PARAMETERS: event - The fixed event to be disabled
+ * flags - Reserved
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disable an ACPI event (fixed)
+ *
+ ******************************************************************************/
+acpi_status acpi_disable_event(u32 event, u32 flags)
+{
+ acpi_status status = AE_OK;
+ u32 value;
+
+ ACPI_FUNCTION_TRACE(acpi_disable_event);
+
+ /* Decode the Fixed Event */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Disable the requested fixed event (by writing a zero to the enable
+ * register bit)
+ */
+ status =
+ acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, ACPI_DISABLE_EVENT);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status =
+ acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, &value);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (value != 0) {
+ ACPI_ERROR((AE_INFO,
+ "Could not disable %s events",
+ acpi_ut_get_event_name(event)));
+ return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_disable_event)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_clear_event
+ *
+ * PARAMETERS: event - The fixed event to be cleared
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear an ACPI event (fixed)
+ *
+ ******************************************************************************/
+acpi_status acpi_clear_event(u32 event)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(acpi_clear_event);
+
+ /* Decode the Fixed Event */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Clear the requested fixed event (By writing a one to the status
+ * register bit)
+ */
+ status =
+ acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+ status_register_id, ACPI_CLEAR_STATUS);
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_clear_event)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_event_status
+ *
+ * PARAMETERS: event - The fixed event
+ * event_status - Where the current status of the event will
+ * be returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Obtains and returns the current status of the event
+ *
+ ******************************************************************************/
+acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
+{
+ acpi_status status = AE_OK;
+ u32 value;
+
+ ACPI_FUNCTION_TRACE(acpi_get_event_status);
+
+ if (!event_status) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Decode the Fixed Event */
+
+ if (event > ACPI_EVENT_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Get the status of the requested fixed event */
+
+ status =
+ acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, &value);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ *event_status = value;
+
+ status =
+ acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+ status_register_id, &value);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ if (value)
+ *event_status |= ACPI_EVENT_FLAG_SET;
+
+ if (acpi_gbl_fixed_event_handlers[event].handler)
+ *event_status |= ACPI_EVENT_FLAG_HANDLE;
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_event_status)
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
new file mode 100644
index 00000000000..cb534faf536
--- /dev/null
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -0,0 +1,756 @@
+/******************************************************************************
+ *
+ * Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evxfgpe")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_update_all_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Complete GPE initialization and enable all GPEs that have
+ * associated _Lxx or _Exx methods and are not pointed to by any
+ * device _PRW methods (this indicates that these GPEs are
+ * generally intended for system or device wakeup. Such GPEs
+ * have to be enabled directly when the devices whose _PRW
+ * methods point to them are set up for wakeup signaling.)
+ *
+ * NOTE: Should be called after any GPEs are added to the system. Primarily,
+ * after the system _PRW methods have been run, but also after a GPE Block
+ * Device has been added or if any new GPE methods have been added via a
+ * dynamic table load.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_update_all_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_update_all_gpes);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (acpi_gbl_all_gpes_initialized) {
+ goto unlock_and_exit;
+ }
+
+ status = acpi_ev_walk_gpe_list(acpi_ev_initialize_gpe_block, NULL);
+ if (ACPI_SUCCESS(status)) {
+ acpi_gbl_all_gpes_initialized = TRUE;
+ }
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_update_all_gpes)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_enable_gpe
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
+ * hardware-enabled.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
+{
+ acpi_status status = AE_BAD_PARAMETER;
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_enable_gpe);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (gpe_event_info) {
+ status = acpi_ev_add_gpe_reference(gpe_event_info);
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_disable_gpe
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a reference to a GPE. When the last reference is
+ * removed, only then is the GPE disabled (for runtime GPEs), or
+ * the GPE mask bit disabled (for wake GPEs)
+ *
+ ******************************************************************************/
+
+acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
+{
+ acpi_status status = AE_BAD_PARAMETER;
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_disable_gpe);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (gpe_event_info) {
+ status = acpi_ev_remove_gpe_reference(gpe_event_info) ;
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_setup_gpe_for_wake
+ *
+ * PARAMETERS: wake_device - Device associated with the GPE (via _PRW)
+ * gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Mark a GPE as having the ability to wake the system. This
+ * interface is intended to be used as the host executes the
+ * _PRW methods (Power Resources for Wake) in the system tables.
+ * Each _PRW appears under a Device Object (The wake_device), and
+ * contains the info for the wake GPE associated with the
+ * wake_device.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_setup_gpe_for_wake(acpi_handle wake_device,
+ acpi_handle gpe_device, u32 gpe_number)
+{
+ acpi_status status;
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_namespace_node *device_node;
+ struct acpi_gpe_notify_info *notify;
+ struct acpi_gpe_notify_info *new_notify;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_setup_gpe_for_wake);
+
+ /* Parameter Validation */
+
+ if (!wake_device) {
+ /*
+ * By forcing wake_device to be valid, we automatically enable the
+ * implicit notify feature on all hosts.
+ */
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Handle root object case */
+
+ if (wake_device == ACPI_ROOT_OBJECT) {
+ device_node = acpi_gbl_root_node;
+ } else {
+ device_node =
+ ACPI_CAST_PTR(struct acpi_namespace_node, wake_device);
+ }
+
+ /* Validate wake_device is of type Device */
+
+ if (device_node->type != ACPI_TYPE_DEVICE) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Allocate a new notify object up front, in case it is needed.
+ * Memory allocation while holding a spinlock is a big no-no
+ * on some hosts.
+ */
+ new_notify = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_notify_info));
+ if (!new_notify) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /*
+ * If there is no method or handler for this GPE, then the
+ * wake_device will be notified whenever this GPE fires. This is
+ * known as an "implicit notify". Note: The GPE is assumed to be
+ * level-triggered (for windows compatibility).
+ */
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NONE) {
+ /*
+ * This is the first device for implicit notify on this GPE.
+ * Just set the flags here, and enter the NOTIFY block below.
+ */
+ gpe_event_info->flags =
+ (ACPI_GPE_DISPATCH_NOTIFY | ACPI_GPE_LEVEL_TRIGGERED);
+ }
+
+ /*
+ * If we already have an implicit notify on this GPE, add
+ * this device to the notify list.
+ */
+ if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NOTIFY) {
+
+ /* Ensure that the device is not already in the list */
+
+ notify = gpe_event_info->dispatch.notify_list;
+ while (notify) {
+ if (notify->device_node == device_node) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock_and_exit;
+ }
+ notify = notify->next;
+ }
+
+ /* Add this device to the notify list for this GPE */
+
+ new_notify->device_node = device_node;
+ new_notify->next = gpe_event_info->dispatch.notify_list;
+ gpe_event_info->dispatch.notify_list = new_notify;
+ new_notify = NULL;
+ }
+
+ /* Mark the GPE as a possible wake event */
+
+ gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
+ status = AE_OK;
+
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+ /* Delete the notify object if it was not used above */
+
+ if (new_notify) {
+ ACPI_FREE(new_notify);
+ }
+ return_ACPI_STATUS(status);
+}
+ACPI_EXPORT_SYMBOL(acpi_setup_gpe_for_wake)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_set_gpe_wake_mask
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ * action - Enable or Disable
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Set or clear the GPE's wakeup enable mask bit. The GPE must
+ * already be marked as a WAKE GPE.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action)
+{
+ acpi_status status = AE_OK;
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_cpu_flags flags;
+ u32 register_bit;
+
+ ACPI_FUNCTION_TRACE(acpi_set_gpe_wake_mask);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /*
+ * Ensure that we have a valid GPE number and that this GPE is in
+ * fact a wake GPE
+ */
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
+ status = AE_TYPE;
+ goto unlock_and_exit;
+ }
+
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
+
+ /* Perform the action */
+
+ switch (action) {
+ case ACPI_GPE_ENABLE:
+
+ ACPI_SET_BIT(gpe_register_info->enable_for_wake,
+ (u8)register_bit);
+ break;
+
+ case ACPI_GPE_DISABLE:
+
+ ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
+ (u8)register_bit);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_set_gpe_wake_mask)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_clear_gpe
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear an ACPI event (general purpose)
+ *
+ ******************************************************************************/
+acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number)
+{
+ acpi_status status = AE_OK;
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_clear_gpe);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ status = acpi_hw_clear_gpe(gpe_event_info);
+
+ unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_gpe_status
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ * event_status - Where the current status of the event
+ * will be returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get the current status of a GPE (signalled/not_signalled)
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_gpe_status(acpi_handle gpe_device,
+ u32 gpe_number, acpi_event_status *event_status)
+{
+ acpi_status status = AE_OK;
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_get_gpe_status);
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (!gpe_event_info) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Obtain status on the requested GPE number */
+
+ status = acpi_hw_get_gpe_status(gpe_event_info, event_status);
+
+ if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)
+ *event_status |= ACPI_EVENT_FLAG_HANDLE;
+
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_disable_all_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_disable_all_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_disable_all_gpes);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_hw_disable_all_gpes();
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_disable_all_gpes)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_enable_all_runtime_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_enable_all_runtime_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_enable_all_runtime_gpes);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_hw_enable_all_runtime_gpes();
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_enable_all_runtime_gpes)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_gpe_block
+ *
+ * PARAMETERS: gpe_device - Handle to the parent GPE Block Device
+ * gpe_block_address - Address and space_ID
+ * register_count - Number of GPE register pairs in the block
+ * interrupt_number - H/W interrupt for the block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create and Install a block of GPE registers. The GPEs are not
+ * enabled here.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_gpe_block(acpi_handle gpe_device,
+ struct acpi_generic_address *gpe_block_address,
+ u32 register_count, u32 interrupt_number)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ struct acpi_gpe_block_info *gpe_block;
+
+ ACPI_FUNCTION_TRACE(acpi_install_gpe_block);
+
+ if ((!gpe_device) || (!gpe_block_address) || (!register_count)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ node = acpi_ns_validate_handle(gpe_device);
+ if (!node) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Validate the parent device */
+
+ if (node->type != ACPI_TYPE_DEVICE) {
+ status = AE_TYPE;
+ goto unlock_and_exit;
+ }
+
+ if (node->object) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock_and_exit;
+ }
+
+ /*
+ * For user-installed GPE Block Devices, the gpe_block_base_number
+ * is always zero
+ */
+ status = acpi_ev_create_gpe_block(node, gpe_block_address->address,
+ gpe_block_address->space_id,
+ register_count, 0, interrupt_number,
+ &gpe_block);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /* Install block in the device_object attached to the node */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /*
+ * No object, create a new one (Device nodes do not always have
+ * an attached object)
+ */
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ status =
+ acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_DEVICE);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+ }
+
+ /* Now install the GPE block in the device_object */
+
+ obj_desc->device.gpe_block = gpe_block;
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_gpe_block)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_gpe_block
+ *
+ * PARAMETERS: gpe_device - Handle to the parent GPE Block Device
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a previously installed block of GPE registers
+ *
+ ******************************************************************************/
+acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ struct acpi_namespace_node *node;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_gpe_block);
+
+ if (!gpe_device) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ node = acpi_ns_validate_handle(gpe_device);
+ if (!node) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Validate the parent device */
+
+ if (node->type != ACPI_TYPE_DEVICE) {
+ status = AE_TYPE;
+ goto unlock_and_exit;
+ }
+
+ /* Get the device_object attached to the node */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc || !obj_desc->device.gpe_block) {
+ return_ACPI_STATUS(AE_NULL_OBJECT);
+ }
+
+ /* Delete the GPE block (but not the device_object) */
+
+ status = acpi_ev_delete_gpe_block(obj_desc->device.gpe_block);
+ if (ACPI_SUCCESS(status)) {
+ obj_desc->device.gpe_block = NULL;
+ }
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_gpe_device
+ *
+ * PARAMETERS: index - System GPE index (0-current_gpe_count)
+ * gpe_device - Where the parent GPE Device is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Obtain the GPE device associated with the input index. A NULL
+ * gpe device indicates that the gpe number is contained in one of
+ * the FADT-defined gpe blocks. Otherwise, the GPE block device.
+ *
+ ******************************************************************************/
+acpi_status acpi_get_gpe_device(u32 index, acpi_handle * gpe_device)
+{
+ struct acpi_gpe_device_info info;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_get_gpe_device);
+
+ if (!gpe_device) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (index >= acpi_current_gpe_count) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Setup and walk the GPE list */
+
+ info.index = index;
+ info.status = AE_NOT_EXIST;
+ info.gpe_device = NULL;
+ info.next_block_base_index = 0;
+
+ status = acpi_ev_walk_gpe_list(acpi_ev_get_gpe_device, &info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ *gpe_device = ACPI_CAST_PTR(acpi_handle, info.gpe_device);
+ return_ACPI_STATUS(info.status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_gpe_device)
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
new file mode 100644
index 00000000000..2d6f187939c
--- /dev/null
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -0,0 +1,295 @@
+/******************************************************************************
+ *
+ * Module Name: evxfregn - External Interfaces, ACPI Operation Regions and
+ * Address Spaces.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evxfregn")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_install_address_space_handler
+ *
+ * PARAMETERS: device - Handle for the device
+ * space_id - The address space ID
+ * handler - Address of the handler
+ * setup - Address of the setup function
+ * context - Value passed to the handler on each access
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for all op_regions of a given space_id.
+ *
+ * NOTE: This function should only be called after acpi_enable_subsystem has
+ * been called. This is because any _REG methods associated with the Space ID
+ * are executed here, and these methods can only be safely executed after
+ * the default handlers have been installed and the hardware has been
+ * initialized (via acpi_enable_subsystem.)
+ *
+ ******************************************************************************/
+acpi_status
+acpi_install_address_space_handler(acpi_handle device,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_install_address_space_handler);
+
+ /* Parameter validation */
+
+ if (!device) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(device);
+ if (!node) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Install the handler for all Regions for this Space ID */
+
+ status =
+ acpi_ev_install_space_handler(node, space_id, handler, setup,
+ context);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /*
+ * For the default space_IDs, (the IDs for which there are default region handlers
+ * installed) Only execute the _REG methods if the global initialization _REG
+ * methods have already been run (via acpi_initialize_objects). In other words,
+ * we will defer the execution of the _REG methods for these space_IDs until
+ * execution of acpi_initialize_objects. This is done because we need the handlers
+ * for the default spaces (mem/io/pci/table) to be installed before we can run
+ * any control methods (or _REG methods). There is known BIOS code that depends
+ * on this.
+ *
+ * For all other space_IDs, we can safely execute the _REG methods immediately.
+ * This means that for IDs like embedded_controller, this function should be called
+ * only after acpi_enable_subsystem has been called.
+ */
+ switch (space_id) {
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+ case ACPI_ADR_SPACE_DATA_TABLE:
+
+ if (!acpi_gbl_reg_methods_executed) {
+
+ /* We will defer execution of the _REG methods for this space */
+ goto unlock_and_exit;
+ }
+ break;
+
+ default:
+
+ break;
+ }
+
+ /* Run all _REG methods for this address space */
+
+ status = acpi_ev_execute_reg_methods(node, space_id);
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_remove_address_space_handler
+ *
+ * PARAMETERS: device - Handle for the device
+ * space_id - The address space ID
+ * handler - Address of the handler
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a previously installed handler.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_remove_address_space_handler(acpi_handle device,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *region_obj;
+ union acpi_operand_object **last_obj_ptr;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_remove_address_space_handler);
+
+ /* Parameter validation */
+
+ if (!device) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(device);
+ if (!node ||
+ ((node->type != ACPI_TYPE_DEVICE) &&
+ (node->type != ACPI_TYPE_PROCESSOR) &&
+ (node->type != ACPI_TYPE_THERMAL) &&
+ (node != acpi_gbl_root_node))) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Make sure the internal object exists */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ /* Find the address handler the user requested */
+
+ handler_obj = obj_desc->device.handler;
+ last_obj_ptr = &obj_desc->device.handler;
+ while (handler_obj) {
+
+ /* We have a handler, see if user requested this one */
+
+ if (handler_obj->address_space.space_id == space_id) {
+
+ /* Handler must be the same as the installed handler */
+
+ if (handler_obj->address_space.handler != handler) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ /* Matched space_id, first dereference this in the Regions */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Removing address handler %p(%p) for region %s "
+ "on Device %p(%p)\n",
+ handler_obj, handler,
+ acpi_ut_get_region_name(space_id),
+ node, obj_desc));
+
+ region_obj = handler_obj->address_space.region_list;
+
+ /* Walk the handler's region list */
+
+ while (region_obj) {
+ /*
+ * First disassociate the handler from the region.
+ *
+ * NOTE: this doesn't mean that the region goes away
+ * The region is just inaccessible as indicated to
+ * the _REG method
+ */
+ acpi_ev_detach_region(region_obj, TRUE);
+
+ /*
+ * Walk the list: Just grab the head because the
+ * detach_region removed the previous head.
+ */
+ region_obj =
+ handler_obj->address_space.region_list;
+
+ }
+
+ /* Remove this Handler object from the list */
+
+ *last_obj_ptr = handler_obj->address_space.next;
+
+ /* Now we can delete the handler object */
+
+ acpi_ut_remove_reference(handler_obj);
+ goto unlock_and_exit;
+ }
+
+ /* Walk the linked list of handlers */
+
+ last_obj_ptr = &handler_obj->address_space.next;
+ handler_obj = handler_obj->address_space.next;
+ }
+
+ /* The handler does not exist */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Unable to remove address handler %p for %s(%X), DevNode %p, obj %p\n",
+ handler, acpi_ut_get_region_name(space_id), space_id,
+ node, obj_desc));
+
+ status = AE_NOT_EXIST;
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_remove_address_space_handler)
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
new file mode 100644
index 00000000000..7d2949420db
--- /dev/null
+++ b/drivers/acpi/acpica/exconfig.c
@@ -0,0 +1,634 @@
+/******************************************************************************
+ *
+ * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "actables.h"
+#include "acdispat.h"
+#include "acevents.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exconfig")
+
+/* Local prototypes */
+static acpi_status
+acpi_ex_add_table(u32 table_index,
+ struct acpi_namespace_node *parent_node,
+ union acpi_operand_object **ddb_handle);
+
+static acpi_status
+acpi_ex_region_read(union acpi_operand_object *obj_desc,
+ u32 length, u8 *buffer);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_add_table
+ *
+ * PARAMETERS: table - Pointer to raw table
+ * parent_node - Where to load the table (scope)
+ * ddb_handle - Where to return the table handle.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Common function to Install and Load an ACPI table with a
+ * returned table handle.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_add_table(u32 table_index,
+ struct acpi_namespace_node *parent_node,
+ union acpi_operand_object **ddb_handle)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ acpi_owner_id owner_id;
+
+ ACPI_FUNCTION_TRACE(ex_add_table);
+
+ /* Create an object to be the table handle */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Init the table handle */
+
+ obj_desc->common.flags |= AOPOBJ_DATA_VALID;
+ obj_desc->reference.class = ACPI_REFCLASS_TABLE;
+ *ddb_handle = obj_desc;
+
+ /* Install the new table into the local data structures */
+
+ obj_desc->reference.value = table_index;
+
+ /* Add the table to the namespace */
+
+ status = acpi_ns_load_table(table_index, parent_node);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(obj_desc);
+ *ddb_handle = NULL;
+ return_ACPI_STATUS(status);
+ }
+
+ /* Execute any module-level code that was found in the table */
+
+ acpi_ex_exit_interpreter();
+ acpi_ns_exec_module_code_list();
+ acpi_ex_enter_interpreter();
+
+ /*
+ * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is
+ * responsible for discovering any new wake GPEs by running _PRW methods
+ * that may have been loaded by this table.
+ */
+ status = acpi_tb_get_owner_id(table_index, &owner_id);
+ if (ACPI_SUCCESS(status)) {
+ acpi_ev_update_gpes(owner_id);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_load_table_op
+ *
+ * PARAMETERS: walk_state - Current state with operands
+ * return_desc - Where to store the return object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Load an ACPI table from the RSDT/XSDT
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
+ union acpi_operand_object **return_desc)
+{
+ acpi_status status;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ struct acpi_namespace_node *parent_node;
+ struct acpi_namespace_node *start_node;
+ struct acpi_namespace_node *parameter_node = NULL;
+ union acpi_operand_object *ddb_handle;
+ struct acpi_table_header *table;
+ u32 table_index;
+
+ ACPI_FUNCTION_TRACE(ex_load_table_op);
+
+ /* Validate lengths for the Signature, oem_id, and oem_table_id strings */
+
+ if ((operand[0]->string.length > ACPI_NAME_SIZE) ||
+ (operand[1]->string.length > ACPI_OEM_ID_SIZE) ||
+ (operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) {
+ return_ACPI_STATUS(AE_AML_STRING_LIMIT);
+ }
+
+ /* Find the ACPI table in the RSDT/XSDT */
+
+ status = acpi_tb_find_table(operand[0]->string.pointer,
+ operand[1]->string.pointer,
+ operand[2]->string.pointer, &table_index);
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Table not found, return an Integer=0 and AE_OK */
+
+ ddb_handle = acpi_ut_create_integer_object((u64) 0);
+ if (!ddb_handle) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ *return_desc = ddb_handle;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Default nodes */
+
+ start_node = walk_state->scope_info->scope.node;
+ parent_node = acpi_gbl_root_node;
+
+ /* root_path (optional parameter) */
+
+ if (operand[3]->string.length > 0) {
+ /*
+ * Find the node referenced by the root_path_string. This is the
+ * location within the namespace where the table will be loaded.
+ */
+ status =
+ acpi_ns_get_node(start_node, operand[3]->string.pointer,
+ ACPI_NS_SEARCH_PARENT, &parent_node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* parameter_path (optional parameter) */
+
+ if (operand[4]->string.length > 0) {
+ if ((operand[4]->string.pointer[0] != AML_ROOT_PREFIX) &&
+ (operand[4]->string.pointer[0] != AML_PARENT_PREFIX)) {
+ /*
+ * Path is not absolute, so it will be relative to the node
+ * referenced by the root_path_string (or the NS root if omitted)
+ */
+ start_node = parent_node;
+ }
+
+ /* Find the node referenced by the parameter_path_string */
+
+ status =
+ acpi_ns_get_node(start_node, operand[4]->string.pointer,
+ ACPI_NS_SEARCH_PARENT, &parameter_node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Load the table into the namespace */
+
+ status = acpi_ex_add_table(table_index, parent_node, &ddb_handle);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Parameter Data (optional) */
+
+ if (parameter_node) {
+
+ /* Store the parameter data into the optional parameter object */
+
+ status = acpi_ex_store(operand[5],
+ ACPI_CAST_PTR(union acpi_operand_object,
+ parameter_node),
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ (void)acpi_ex_unload_table(ddb_handle);
+
+ acpi_ut_remove_reference(ddb_handle);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_SUCCESS(status)) {
+ ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+ acpi_tb_print_table_header(0, table);
+ }
+
+ /* Invoke table handler if present */
+
+ if (acpi_gbl_table_handler) {
+ (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
+ acpi_gbl_table_handler_context);
+ }
+
+ *return_desc = ddb_handle;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_region_read
+ *
+ * PARAMETERS: obj_desc - Region descriptor
+ * length - Number of bytes to read
+ * buffer - Pointer to where to put the data
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read data from an operation region. The read starts from the
+ * beginning of the region.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
+{
+ acpi_status status;
+ u64 value;
+ u32 region_offset = 0;
+ u32 i;
+
+ /* Bytewise reads */
+
+ for (i = 0; i < length; i++) {
+ status =
+ acpi_ev_address_space_dispatch(obj_desc, NULL, ACPI_READ,
+ region_offset, 8, &value);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ *buffer = (u8)value;
+ buffer++;
+ region_offset++;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_load_op
+ *
+ * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be
+ * obtained
+ * target - Where a handle to the table will be stored
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Load an ACPI table from a field or operation region
+ *
+ * NOTE: Region Fields (Field, bank_field, index_fields) are resolved to buffer
+ * objects before this code is reached.
+ *
+ * If source is an operation region, it must refer to system_memory, as
+ * per the ACPI specification.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_load_op(union acpi_operand_object *obj_desc,
+ union acpi_operand_object *target,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *ddb_handle;
+ struct acpi_table_header *table_header;
+ struct acpi_table_header *table;
+ u32 table_index;
+ acpi_status status;
+ u32 length;
+
+ ACPI_FUNCTION_TRACE(ex_load_op);
+
+ /* Source Object can be either an op_region or a Buffer/Field */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_REGION:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Load table from Region %p\n", obj_desc));
+
+ /* Region must be system_memory (from ACPI spec) */
+
+ if (obj_desc->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * If the Region Address and Length have not been previously evaluated,
+ * evaluate them now and save the results.
+ */
+ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status = acpi_ds_get_region_arguments(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Get the table header first so we can get the table length */
+
+ table_header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
+ if (!table_header) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ status =
+ acpi_ex_region_read(obj_desc,
+ sizeof(struct acpi_table_header),
+ ACPI_CAST_PTR(u8, table_header));
+ length = table_header->length;
+ ACPI_FREE(table_header);
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Must have at least an ACPI table header */
+
+ if (length < sizeof(struct acpi_table_header)) {
+ return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
+ }
+
+ /*
+ * The original implementation simply mapped the table, with no copy.
+ * However, the memory region is not guaranteed to remain stable and
+ * we must copy the table to a local buffer. For example, the memory
+ * region is corrupted after suspend on some machines. Dynamically
+ * loaded tables are usually small, so this overhead is minimal.
+ *
+ * The latest implementation (5/2009) does not use a mapping at all.
+ * We use the low-level operation region interface to read the table
+ * instead of the obvious optimization of using a direct mapping.
+ * This maintains a consistent use of operation regions across the
+ * entire subsystem. This is important if additional processing must
+ * be performed in the (possibly user-installed) operation region
+ * handler. For example, acpi_exec and ASLTS depend on this.
+ */
+
+ /* Allocate a buffer for the table */
+
+ table = ACPI_ALLOCATE(length);
+ if (!table) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Read the entire table */
+
+ status = acpi_ex_region_read(obj_desc, length,
+ ACPI_CAST_PTR(u8, table));
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(table);
+ return_ACPI_STATUS(status);
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER: /* Buffer or resolved region_field */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Load table from Buffer or Field %p\n",
+ obj_desc));
+
+ /* Must have at least an ACPI table header */
+
+ if (obj_desc->buffer.length < sizeof(struct acpi_table_header)) {
+ return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
+ }
+
+ /* Get the actual table length from the table header */
+
+ table_header =
+ ACPI_CAST_PTR(struct acpi_table_header,
+ obj_desc->buffer.pointer);
+ length = table_header->length;
+
+ /* Table cannot extend beyond the buffer */
+
+ if (length > obj_desc->buffer.length) {
+ return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
+ }
+ if (length < sizeof(struct acpi_table_header)) {
+ return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
+ }
+
+ /*
+ * Copy the table from the buffer because the buffer could be modified
+ * or even deleted in the future
+ */
+ table = ACPI_ALLOCATE(length);
+ if (!table) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ ACPI_MEMCPY(table, table_header, length);
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Install the new table into the local data structures */
+
+ ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+ (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+ status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table),
+ ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL,
+ TRUE, TRUE, &table_index);
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+ if (ACPI_FAILURE(status)) {
+
+ /* Delete allocated table buffer */
+
+ ACPI_FREE(table);
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Note: Now table is "INSTALLED", it must be validated before
+ * loading.
+ */
+ status =
+ acpi_tb_validate_table(&acpi_gbl_root_table_list.
+ tables[table_index]);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Add the table to the namespace.
+ *
+ * Note: Load the table objects relative to the root of the namespace.
+ * This appears to go against the ACPI specification, but we do it for
+ * compatibility with other ACPI implementations.
+ */
+ status =
+ acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
+ if (ACPI_FAILURE(status)) {
+
+ /* On error, table_ptr was deallocated above */
+
+ return_ACPI_STATUS(status);
+ }
+
+ /* Store the ddb_handle into the Target operand */
+
+ status = acpi_ex_store(ddb_handle, target, walk_state);
+ if (ACPI_FAILURE(status)) {
+ (void)acpi_ex_unload_table(ddb_handle);
+
+ /* table_ptr was deallocated above */
+
+ acpi_ut_remove_reference(ddb_handle);
+ return_ACPI_STATUS(status);
+ }
+
+ /* Remove the reference by added by acpi_ex_store above */
+
+ acpi_ut_remove_reference(ddb_handle);
+
+ /* Invoke table handler if present */
+
+ if (acpi_gbl_table_handler) {
+ (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
+ acpi_gbl_table_handler_context);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_unload_table
+ *
+ * PARAMETERS: ddb_handle - Handle to a previously loaded table
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Unload an ACPI table
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *table_desc = ddb_handle;
+ u32 table_index;
+ struct acpi_table_header *table;
+
+ ACPI_FUNCTION_TRACE(ex_unload_table);
+
+ /*
+ * Temporarily emit a warning so that the ASL for the machine can be
+ * hopefully obtained. This is to say that the Unload() operator is
+ * extremely rare if not completely unused.
+ */
+ ACPI_WARNING((AE_INFO, "Received request to unload an ACPI table"));
+
+ /*
+ * Validate the handle
+ * Although the handle is partially validated in acpi_ex_reconfiguration()
+ * when it calls acpi_ex_resolve_operands(), the handle is more completely
+ * validated here.
+ *
+ * Handle must be a valid operand object of type reference. Also, the
+ * ddb_handle must still be marked valid (table has not been previously
+ * unloaded)
+ */
+ if ((!ddb_handle) ||
+ (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
+ (ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE) ||
+ (!(ddb_handle->common.flags & AOPOBJ_DATA_VALID))) {
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Get the table index from the ddb_handle */
+
+ table_index = table_desc->reference.value;
+
+ /* Ensure the table is still loaded */
+
+ if (!acpi_tb_is_table_loaded(table_index)) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Invoke table handler if present */
+
+ if (acpi_gbl_table_handler) {
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_SUCCESS(status)) {
+ (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD,
+ table,
+ acpi_gbl_table_handler_context);
+ }
+ }
+
+ /* Delete the portion of the namespace owned by this table */
+
+ status = acpi_tb_delete_namespace_by_owner(table_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ (void)acpi_tb_release_owner_id(table_index);
+ acpi_tb_set_table_loaded_flag(table_index, FALSE);
+
+ /*
+ * Invalidate the handle. We do this because the handle may be stored
+ * in a named object and may not be actually deleted until much later.
+ */
+ ddb_handle->common.flags &= ~AOPOBJ_DATA_VALID;
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
new file mode 100644
index 00000000000..c545386fee9
--- /dev/null
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -0,0 +1,694 @@
+/******************************************************************************
+ *
+ * Module Name: exconvrt - Object conversion routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exconvrt")
+
+/* Local prototypes */
+static u32
+acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_convert_to_integer
+ *
+ * PARAMETERS: obj_desc - Object to be converted. Must be an
+ * Integer, Buffer, or String
+ * result_desc - Where the new Integer object is returned
+ * flags - Used for string conversion
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to an integer.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc, u32 flags)
+{
+ union acpi_operand_object *return_desc;
+ u8 *pointer;
+ u64 result;
+ u32 i;
+ u32 count;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc);
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ /* No conversion necessary */
+
+ *result_desc = obj_desc;
+ return_ACPI_STATUS(AE_OK);
+
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_STRING:
+
+ /* Note: Takes advantage of common buffer/string fields */
+
+ pointer = obj_desc->buffer.pointer;
+ count = obj_desc->buffer.length;
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /*
+ * Convert the buffer/string to an integer. Note that both buffers and
+ * strings are treated as raw data - we don't convert ascii to hex for
+ * strings.
+ *
+ * There are two terminating conditions for the loop:
+ * 1) The size of an integer has been reached, or
+ * 2) The end of the buffer or string has been reached
+ */
+ result = 0;
+
+ /* String conversion is different than Buffer conversion */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_STRING:
+ /*
+ * Convert string to an integer - for most cases, the string must be
+ * hexadecimal as per the ACPI specification. The only exception (as
+ * of ACPI 3.0) is that the to_integer() operator allows both decimal
+ * and hexadecimal strings (hex prefixed with "0x").
+ */
+ status = acpi_ut_strtoul64((char *)pointer, flags, &result);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* Check for zero-length buffer */
+
+ if (!count) {
+ return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
+ }
+
+ /* Transfer no more than an integer's worth of data */
+
+ if (count > acpi_gbl_integer_byte_width) {
+ count = acpi_gbl_integer_byte_width;
+ }
+
+ /*
+ * Convert buffer to an integer - we simply grab enough raw data
+ * from the buffer to fill an integer
+ */
+ for (i = 0; i < count; i++) {
+ /*
+ * Get next byte and shift it into the Result.
+ * Little endian is used, meaning that the first byte of the buffer
+ * is the LSB of the integer
+ */
+ result |= (((u64) pointer[i]) << (i * 8));
+ }
+ break;
+
+ default:
+
+ /* No other types can get here */
+
+ break;
+ }
+
+ /* Create a new integer */
+
+ return_desc = acpi_ut_create_integer_object(result);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(result)));
+
+ /* Save the Result */
+
+ (void)acpi_ex_truncate_for32bit_table(return_desc);
+ *result_desc = return_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_convert_to_buffer
+ *
+ * PARAMETERS: obj_desc - Object to be converted. Must be an
+ * Integer, Buffer, or String
+ * result_desc - Where the new buffer object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to a Buffer
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc)
+{
+ union acpi_operand_object *return_desc;
+ u8 *new_buf;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_buffer, obj_desc);
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_BUFFER:
+
+ /* No conversion necessary */
+
+ *result_desc = obj_desc;
+ return_ACPI_STATUS(AE_OK);
+
+ case ACPI_TYPE_INTEGER:
+ /*
+ * Create a new Buffer object.
+ * Need enough space for one integer
+ */
+ return_desc =
+ acpi_ut_create_buffer_object(acpi_gbl_integer_byte_width);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Copy the integer to the buffer, LSB first */
+
+ new_buf = return_desc->buffer.pointer;
+ ACPI_MEMCPY(new_buf,
+ &obj_desc->integer.value,
+ acpi_gbl_integer_byte_width);
+ break;
+
+ case ACPI_TYPE_STRING:
+ /*
+ * Create a new Buffer object
+ * Size will be the string length
+ *
+ * NOTE: Add one to the string length to include the null terminator.
+ * The ACPI spec is unclear on this subject, but there is existing
+ * ASL/AML code that depends on the null being transferred to the new
+ * buffer.
+ */
+ return_desc = acpi_ut_create_buffer_object((acpi_size)
+ obj_desc->string.
+ length + 1);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Copy the string to the buffer */
+
+ new_buf = return_desc->buffer.pointer;
+ ACPI_STRNCPY((char *)new_buf, (char *)obj_desc->string.pointer,
+ obj_desc->string.length);
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /* Mark buffer initialized */
+
+ return_desc->common.flags |= AOPOBJ_DATA_VALID;
+ *result_desc = return_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_convert_to_ascii
+ *
+ * PARAMETERS: integer - Value to be converted
+ * base - ACPI_STRING_DECIMAL or ACPI_STRING_HEX
+ * string - Where the string is returned
+ * data_width - Size of data item to be converted, in bytes
+ *
+ * RETURN: Actual string length
+ *
+ * DESCRIPTION: Convert an ACPI Integer to a hex or decimal string
+ *
+ ******************************************************************************/
+
+static u32
+acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
+{
+ u64 digit;
+ u32 i;
+ u32 j;
+ u32 k = 0;
+ u32 hex_length;
+ u32 decimal_length;
+ u32 remainder;
+ u8 supress_zeros;
+
+ ACPI_FUNCTION_ENTRY();
+
+ switch (base) {
+ case 10:
+
+ /* Setup max length for the decimal number */
+
+ switch (data_width) {
+ case 1:
+
+ decimal_length = ACPI_MAX8_DECIMAL_DIGITS;
+ break;
+
+ case 4:
+
+ decimal_length = ACPI_MAX32_DECIMAL_DIGITS;
+ break;
+
+ case 8:
+ default:
+
+ decimal_length = ACPI_MAX64_DECIMAL_DIGITS;
+ break;
+ }
+
+ supress_zeros = TRUE; /* No leading zeros */
+ remainder = 0;
+
+ for (i = decimal_length; i > 0; i--) {
+
+ /* Divide by nth factor of 10 */
+
+ digit = integer;
+ for (j = 0; j < i; j++) {
+ (void)acpi_ut_short_divide(digit, 10, &digit,
+ &remainder);
+ }
+
+ /* Handle leading zeros */
+
+ if (remainder != 0) {
+ supress_zeros = FALSE;
+ }
+
+ if (!supress_zeros) {
+ string[k] = (u8) (ACPI_ASCII_ZERO + remainder);
+ k++;
+ }
+ }
+ break;
+
+ case 16:
+
+ /* hex_length: 2 ascii hex chars per data byte */
+
+ hex_length = ACPI_MUL_2(data_width);
+ for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
+
+ /* Get one hex digit, most significant digits first */
+
+ string[k] =
+ (u8) acpi_ut_hex_to_ascii_char(integer,
+ ACPI_MUL_4(j));
+ k++;
+ }
+ break;
+
+ default:
+ return (0);
+ }
+
+ /*
+ * Since leading zeros are suppressed, we must check for the case where
+ * the integer equals 0
+ *
+ * Finally, null terminate the string and return the length
+ */
+ if (!k) {
+ string[0] = ACPI_ASCII_ZERO;
+ k = 1;
+ }
+
+ string[k] = 0;
+ return ((u32) k);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_convert_to_string
+ *
+ * PARAMETERS: obj_desc - Object to be converted. Must be an
+ * Integer, Buffer, or String
+ * result_desc - Where the string object is returned
+ * type - String flags (base and conversion type)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to a string
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
+ union acpi_operand_object ** result_desc, u32 type)
+{
+ union acpi_operand_object *return_desc;
+ u8 *new_buf;
+ u32 i;
+ u32 string_length = 0;
+ u16 base = 16;
+ u8 separator = ',';
+
+ ACPI_FUNCTION_TRACE_PTR(ex_convert_to_string, obj_desc);
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_STRING:
+
+ /* No conversion necessary */
+
+ *result_desc = obj_desc;
+ return_ACPI_STATUS(AE_OK);
+
+ case ACPI_TYPE_INTEGER:
+
+ switch (type) {
+ case ACPI_EXPLICIT_CONVERT_DECIMAL:
+
+ /* Make room for maximum decimal number */
+
+ string_length = ACPI_MAX_DECIMAL_DIGITS;
+ base = 10;
+ break;
+
+ default:
+
+ /* Two hex string characters for each integer byte */
+
+ string_length = ACPI_MUL_2(acpi_gbl_integer_byte_width);
+ break;
+ }
+
+ /*
+ * Create a new String
+ * Need enough space for one ASCII integer (plus null terminator)
+ */
+ return_desc =
+ acpi_ut_create_string_object((acpi_size) string_length);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ new_buf = return_desc->buffer.pointer;
+
+ /* Convert integer to string */
+
+ string_length =
+ acpi_ex_convert_to_ascii(obj_desc->integer.value, base,
+ new_buf,
+ acpi_gbl_integer_byte_width);
+
+ /* Null terminate at the correct place */
+
+ return_desc->string.length = string_length;
+ new_buf[string_length] = 0;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* Setup string length, base, and separator */
+
+ switch (type) {
+ case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */
+ /*
+ * From ACPI: "If Data is a buffer, it is converted to a string of
+ * decimal values separated by commas."
+ */
+ base = 10;
+
+ /*
+ * Calculate the final string length. Individual string values
+ * are variable length (include separator for each)
+ */
+ for (i = 0; i < obj_desc->buffer.length; i++) {
+ if (obj_desc->buffer.pointer[i] >= 100) {
+ string_length += 4;
+ } else if (obj_desc->buffer.pointer[i] >= 10) {
+ string_length += 3;
+ } else {
+ string_length += 2;
+ }
+ }
+ break;
+
+ case ACPI_IMPLICIT_CONVERT_HEX:
+ /*
+ * From the ACPI spec:
+ *"The entire contents of the buffer are converted to a string of
+ * two-character hexadecimal numbers, each separated by a space."
+ */
+ separator = ' ';
+ string_length = (obj_desc->buffer.length * 3);
+ break;
+
+ case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */
+ /*
+ * From ACPI: "If Data is a buffer, it is converted to a string of
+ * hexadecimal values separated by commas."
+ */
+ string_length = (obj_desc->buffer.length * 3);
+ break;
+
+ default:
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Create a new string object and string buffer
+ * (-1 because of extra separator included in string_length from above)
+ * Allow creation of zero-length strings from zero-length buffers.
+ */
+ if (string_length) {
+ string_length--;
+ }
+
+ return_desc =
+ acpi_ut_create_string_object((acpi_size) string_length);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ new_buf = return_desc->buffer.pointer;
+
+ /*
+ * Convert buffer bytes to hex or decimal values
+ * (separated by commas or spaces)
+ */
+ for (i = 0; i < obj_desc->buffer.length; i++) {
+ new_buf += acpi_ex_convert_to_ascii((u64) obj_desc->
+ buffer.pointer[i],
+ base, new_buf, 1);
+ *new_buf++ = separator; /* each separated by a comma or space */
+ }
+
+ /*
+ * Null terminate the string
+ * (overwrites final comma/space from above)
+ */
+ if (obj_desc->buffer.length) {
+ new_buf--;
+ }
+ *new_buf = 0;
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ *result_desc = return_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_convert_to_target_type
+ *
+ * PARAMETERS: destination_type - Current type of the destination
+ * source_desc - Source object to be converted.
+ * result_desc - Where the converted object is returned
+ * walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Implements "implicit conversion" rules for storing an object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_convert_to_target_type(acpi_object_type destination_type,
+ union acpi_operand_object *source_desc,
+ union acpi_operand_object **result_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_convert_to_target_type);
+
+ /* Default behavior */
+
+ *result_desc = source_desc;
+
+ /*
+ * If required by the target,
+ * perform implicit conversion on the source before we store it.
+ */
+ switch (GET_CURRENT_ARG_TYPE(walk_state->op_info->runtime_args)) {
+ case ARGI_SIMPLE_TARGET:
+ case ARGI_FIXED_TARGET:
+ case ARGI_INTEGER_REF: /* Handles Increment, Decrement cases */
+
+ switch (destination_type) {
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ /*
+ * Named field can always handle conversions
+ */
+ break;
+
+ default:
+
+ /* No conversion allowed for these types */
+
+ if (destination_type != source_desc->common.type) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Explicit operator, will store (%s) over existing type (%s)\n",
+ acpi_ut_get_object_type_name
+ (source_desc),
+ acpi_ut_get_type_name
+ (destination_type)));
+ status = AE_TYPE;
+ }
+ }
+ break;
+
+ case ARGI_TARGETREF:
+
+ switch (destination_type) {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ /*
+ * These types require an Integer operand. We can convert
+ * a Buffer or a String to an Integer if necessary.
+ */
+ status =
+ acpi_ex_convert_to_integer(source_desc, result_desc,
+ 16);
+ break;
+
+ case ACPI_TYPE_STRING:
+ /*
+ * The operand must be a String. We can convert an
+ * Integer or Buffer if necessary
+ */
+ status =
+ acpi_ex_convert_to_string(source_desc, result_desc,
+ ACPI_IMPLICIT_CONVERT_HEX);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ /*
+ * The operand must be a Buffer. We can convert an
+ * Integer or String if necessary
+ */
+ status =
+ acpi_ex_convert_to_buffer(source_desc, result_desc);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Bad destination type during conversion: 0x%X",
+ destination_type));
+ status = AE_AML_INTERNAL;
+ break;
+ }
+ break;
+
+ case ARGI_REFERENCE:
+ /*
+ * create_xxxx_field cases - we are storing the field object into the name
+ */
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown Target type ID 0x%X AmlOpcode 0x%X DestType %s",
+ GET_CURRENT_ARG_TYPE(walk_state->op_info->
+ runtime_args),
+ walk_state->opcode,
+ acpi_ut_get_type_name(destination_type)));
+ status = AE_AML_INTERNAL;
+ }
+
+ /*
+ * Source-to-Target conversion semantics:
+ *
+ * If conversion to the target type cannot be performed, then simply
+ * overwrite the target with the new object and type.
+ */
+ if (status == AE_TYPE) {
+ status = AE_OK;
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
new file mode 100644
index 00000000000..95d23dabcfb
--- /dev/null
+++ b/drivers/acpi/acpica/excreate.c
@@ -0,0 +1,528 @@
+/******************************************************************************
+ *
+ * Module Name: excreate - Named object creation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("excreate")
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_alias
+ *
+ * PARAMETERS: walk_state - Current state, contains operands
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new named alias
+ *
+ ******************************************************************************/
+acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
+{
+ struct acpi_namespace_node *target_node;
+ struct acpi_namespace_node *alias_node;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_create_alias);
+
+ /* Get the source/alias operands (both namespace nodes) */
+
+ alias_node = (struct acpi_namespace_node *)walk_state->operands[0];
+ target_node = (struct acpi_namespace_node *)walk_state->operands[1];
+
+ if ((target_node->type == ACPI_TYPE_LOCAL_ALIAS) ||
+ (target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
+ /*
+ * Dereference an existing alias so that we don't create a chain
+ * of aliases. With this code, we guarantee that an alias is
+ * always exactly one level of indirection away from the
+ * actual aliased name.
+ */
+ target_node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ target_node->object);
+ }
+
+ /*
+ * For objects that can never change (i.e., the NS node will
+ * permanently point to the same object), we can simply attach
+ * the object to the new NS node. For other objects (such as
+ * Integers, buffers, etc.), we have to point the Alias node
+ * to the original Node.
+ */
+ switch (target_node->type) {
+
+ /* For these types, the sub-object can change dynamically via a Store */
+
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_BUFFER_FIELD:
+ /*
+ * These types open a new scope, so we need the NS node in order to access
+ * any children.
+ */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+ case ACPI_TYPE_LOCAL_SCOPE:
+ /*
+ * The new alias has the type ALIAS and points to the original
+ * NS node, not the object itself.
+ */
+ alias_node->type = ACPI_TYPE_LOCAL_ALIAS;
+ alias_node->object =
+ ACPI_CAST_PTR(union acpi_operand_object, target_node);
+ break;
+
+ case ACPI_TYPE_METHOD:
+ /*
+ * Control method aliases need to be differentiated
+ */
+ alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
+ alias_node->object =
+ ACPI_CAST_PTR(union acpi_operand_object, target_node);
+ break;
+
+ default:
+
+ /* Attach the original source object to the new Alias Node */
+
+ /*
+ * The new alias assumes the type of the target, and it points
+ * to the same object. The reference count of the object has an
+ * additional reference to prevent deletion out from under either the
+ * target node or the alias Node
+ */
+ status = acpi_ns_attach_object(alias_node,
+ acpi_ns_get_attached_object
+ (target_node),
+ target_node->type);
+ break;
+ }
+
+ /* Since both operands are Nodes, we don't need to delete them */
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_event
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new event object
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_TRACE(ex_create_event);
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Create the actual OS semaphore, with zero initial units -- meaning
+ * that the event is created in an unsignalled state
+ */
+ status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
+ &obj_desc->event.os_semaphore);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /* Attach object to the Node */
+
+ status =
+ acpi_ns_attach_object((struct acpi_namespace_node *)walk_state->
+ operands[0], obj_desc, ACPI_TYPE_EVENT);
+
+cleanup:
+ /*
+ * Remove local reference to the object (on error, will cause deletion
+ * of both object and semaphore if present.)
+ */
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_mutex
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new mutex object
+ *
+ * Mutex (Name[0], sync_level[1])
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_create_mutex, ACPI_WALK_OPERANDS);
+
+ /* Create the new mutex object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Create the actual OS Mutex */
+
+ status = acpi_os_create_mutex(&obj_desc->mutex.os_mutex);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /* Init object and attach to NS node */
+
+ obj_desc->mutex.sync_level = (u8)walk_state->operands[1]->integer.value;
+ obj_desc->mutex.node =
+ (struct acpi_namespace_node *)walk_state->operands[0];
+
+ status =
+ acpi_ns_attach_object(obj_desc->mutex.node, obj_desc,
+ ACPI_TYPE_MUTEX);
+
+cleanup:
+ /*
+ * Remove local reference to the object (on error, will cause deletion
+ * of both object and semaphore if present.)
+ */
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_region
+ *
+ * PARAMETERS: aml_start - Pointer to the region declaration AML
+ * aml_length - Max length of the declaration AML
+ * space_id - Address space ID for the region
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new operation region object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_create_region(u8 * aml_start,
+ u32 aml_length,
+ u8 space_id, struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ union acpi_operand_object *region_obj2;
+
+ ACPI_FUNCTION_TRACE(ex_create_region);
+
+ /* Get the Namespace Node */
+
+ node = walk_state->op->common.node;
+
+ /*
+ * If the region object is already attached to this node,
+ * just return
+ */
+ if (acpi_ns_get_attached_object(node)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Space ID must be one of the predefined IDs, or in the user-defined
+ * range
+ */
+ if (!acpi_is_valid_space_id(space_id)) {
+ /*
+ * Print an error message, but continue. We don't want to abort
+ * a table load for this exception. Instead, if the region is
+ * actually used at runtime, abort the executing method.
+ */
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unknown Address Space ID: 0x%2.2X",
+ space_id));
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n",
+ acpi_ut_get_region_name(space_id), space_id));
+
+ /* Create the region descriptor */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Remember location in AML stream of address & length
+ * operands since they need to be evaluated at run time.
+ */
+ region_obj2 = obj_desc->common.next_object;
+ region_obj2->extra.aml_start = aml_start;
+ region_obj2->extra.aml_length = aml_length;
+ if (walk_state->scope_info) {
+ region_obj2->extra.scope_node =
+ walk_state->scope_info->scope.node;
+ } else {
+ region_obj2->extra.scope_node = node;
+ }
+
+ /* Init the region from the operands */
+
+ obj_desc->region.space_id = space_id;
+ obj_desc->region.address = 0;
+ obj_desc->region.length = 0;
+ obj_desc->region.node = node;
+
+ /* Install the new region object in the parent Node */
+
+ status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION);
+
+cleanup:
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_processor
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new processor object and populate the fields
+ *
+ * Processor (Name[0], cpu_ID[1], pblock_addr[2], pblock_length[3])
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_create_processor, walk_state);
+
+ /* Create the processor object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PROCESSOR);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the processor object from the operands */
+
+ obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
+ obj_desc->processor.length = (u8) operand[3]->integer.value;
+ obj_desc->processor.address =
+ (acpi_io_address) operand[2]->integer.value;
+
+ /* Install the processor object in the parent Node */
+
+ status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
+ obj_desc, ACPI_TYPE_PROCESSOR);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_power_resource
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new power_resource object and populate the fields
+ *
+ * power_resource (Name[0], system_level[1], resource_order[2])
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_create_power_resource, walk_state);
+
+ /* Create the power resource object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_POWER);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the power object from the operands */
+
+ obj_desc->power_resource.system_level = (u8) operand[1]->integer.value;
+ obj_desc->power_resource.resource_order =
+ (u16) operand[2]->integer.value;
+
+ /* Install the power resource object in the parent Node */
+
+ status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
+ obj_desc, ACPI_TYPE_POWER);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_create_method
+ *
+ * PARAMETERS: aml_start - First byte of the method's AML
+ * aml_length - AML byte count for this method
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new method object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_create_method(u8 * aml_start,
+ u32 aml_length, struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u8 method_flags;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_create_method, walk_state);
+
+ /* Create a new method object */
+
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto exit;
+ }
+
+ /* Save the method's AML pointer and length */
+
+ obj_desc->method.aml_start = aml_start;
+ obj_desc->method.aml_length = aml_length;
+
+ /*
+ * Disassemble the method flags. Split off the arg_count, Serialized
+ * flag, and sync_level for efficiency.
+ */
+ method_flags = (u8) operand[1]->integer.value;
+
+ obj_desc->method.param_count =
+ (u8) (method_flags & AML_METHOD_ARG_COUNT);
+
+ /*
+ * Get the sync_level. If method is serialized, a mutex will be
+ * created for this method when it is parsed.
+ */
+ if (method_flags & AML_METHOD_SERIALIZED) {
+ obj_desc->method.info_flags = ACPI_METHOD_SERIALIZED;
+
+ /*
+ * ACPI 1.0: sync_level = 0
+ * ACPI 2.0: sync_level = sync_level in method declaration
+ */
+ obj_desc->method.sync_level = (u8)
+ ((method_flags & AML_METHOD_SYNC_LEVEL) >> 4);
+ }
+
+ /* Attach the new object to the method Node */
+
+ status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
+ obj_desc, ACPI_TYPE_METHOD);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+
+exit:
+ /* Remove a reference to the operand */
+
+ acpi_ut_remove_reference(operand[1]);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
new file mode 100644
index 00000000000..4cfc3d3b5c9
--- /dev/null
+++ b/drivers/acpi/acpica/exdebug.c
@@ -0,0 +1,263 @@
+/******************************************************************************
+ *
+ * Module Name: exdebug - Support for stores to the AML Debug Object
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exdebug")
+
+#ifndef ACPI_NO_ERROR_MESSAGES
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_debug_object
+ *
+ * PARAMETERS: source_desc - Object to be output to "Debug Object"
+ * level - Indentation level (used for packages)
+ * index - Current package element, zero if not pkg
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Handles stores to the AML Debug Object. For example:
+ * Store(INT1, Debug)
+ *
+ * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
+ *
+ * This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or
+ * if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal
+ * operational case, stores to the debug object are ignored but can be easily
+ * enabled if necessary.
+ *
+ ******************************************************************************/
+void
+acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
+ u32 level, u32 index)
+{
+ u32 i;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
+
+ /* Output must be enabled via the debug_object global or the dbg_level */
+
+ if (!acpi_gbl_enable_aml_debug_object &&
+ !(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) {
+ return_VOID;
+ }
+
+ /*
+ * Print line header as long as we are not in the middle of an
+ * object display
+ */
+ if (!((level > 0) && index == 0)) {
+ acpi_os_printf("[ACPI Debug] %*s", level, " ");
+ }
+
+ /* Display the index for package output only */
+
+ if (index > 0) {
+ acpi_os_printf("(%.2u) ", index - 1);
+ }
+
+ if (!source_desc) {
+ acpi_os_printf("[Null Object]\n");
+ return_VOID;
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
+ acpi_os_printf("%s ",
+ acpi_ut_get_object_type_name(source_desc));
+
+ if (!acpi_ut_valid_internal_object(source_desc)) {
+ acpi_os_printf("%p, Invalid Internal Object!\n",
+ source_desc);
+ return_VOID;
+ }
+ } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
+ ACPI_DESC_TYPE_NAMED) {
+ acpi_os_printf("%s: %p\n",
+ acpi_ut_get_type_name(((struct
+ acpi_namespace_node *)
+ source_desc)->type),
+ source_desc);
+ return_VOID;
+ } else {
+ return_VOID;
+ }
+
+ /* source_desc is of type ACPI_DESC_TYPE_OPERAND */
+
+ switch (source_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ /* Output correct integer width */
+
+ if (acpi_gbl_integer_byte_width == 4) {
+ acpi_os_printf("0x%8.8X\n",
+ (u32)source_desc->integer.value);
+ } else {
+ acpi_os_printf("0x%8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(source_desc->integer.
+ value));
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length);
+ acpi_ut_dump_buffer(source_desc->buffer.pointer,
+ (source_desc->buffer.length < 256) ?
+ source_desc->buffer.length : 256,
+ DB_BYTE_DISPLAY, 0);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf("[0x%.2X] \"%s\"\n",
+ source_desc->string.length,
+ source_desc->string.pointer);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ acpi_os_printf("[Contains 0x%.2X Elements]\n",
+ source_desc->package.count);
+
+ /* Output the entire contents of the package */
+
+ for (i = 0; i < source_desc->package.count; i++) {
+ acpi_ex_do_debug_object(source_desc->package.
+ elements[i], level + 4, i + 1);
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ acpi_os_printf("[%s] ",
+ acpi_ut_get_reference_name(source_desc));
+
+ /* Decode the reference */
+
+ switch (source_desc->reference.class) {
+ case ACPI_REFCLASS_INDEX:
+
+ acpi_os_printf("0x%X\n", source_desc->reference.value);
+ break;
+
+ case ACPI_REFCLASS_TABLE:
+
+ /* Case for ddb_handle */
+
+ acpi_os_printf("Table Index 0x%X\n",
+ source_desc->reference.value);
+ return_VOID;
+
+ default:
+
+ break;
+ }
+
+ acpi_os_printf(" ");
+
+ /* Check for valid node first, then valid object */
+
+ if (source_desc->reference.node) {
+ if (ACPI_GET_DESCRIPTOR_TYPE
+ (source_desc->reference.node) !=
+ ACPI_DESC_TYPE_NAMED) {
+ acpi_os_printf
+ (" %p - Not a valid namespace node\n",
+ source_desc->reference.node);
+ } else {
+ acpi_os_printf("Node %p [%4.4s] ",
+ source_desc->reference.node,
+ (source_desc->reference.node)->
+ name.ascii);
+
+ switch ((source_desc->reference.node)->type) {
+
+ /* These types have no attached object */
+
+ case ACPI_TYPE_DEVICE:
+ acpi_os_printf("Device\n");
+ break;
+
+ case ACPI_TYPE_THERMAL:
+ acpi_os_printf("Thermal Zone\n");
+ break;
+
+ default:
+
+ acpi_ex_do_debug_object((source_desc->
+ reference.
+ node)->object,
+ level + 4, 0);
+ break;
+ }
+ }
+ } else if (source_desc->reference.object) {
+ if (ACPI_GET_DESCRIPTOR_TYPE
+ (source_desc->reference.object) ==
+ ACPI_DESC_TYPE_NAMED) {
+ acpi_ex_do_debug_object(((struct
+ acpi_namespace_node *)
+ source_desc->reference.
+ object)->object,
+ level + 4, 0);
+ } else {
+ acpi_ex_do_debug_object(source_desc->reference.
+ object, level + 4, 0);
+ }
+ }
+ break;
+
+ default:
+
+ acpi_os_printf("%p\n", source_desc);
+ break;
+ }
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
+ return_VOID;
+}
+#endif
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
new file mode 100644
index 00000000000..925202acc3e
--- /dev/null
+++ b/drivers/acpi/acpica/exdump.c
@@ -0,0 +1,1209 @@
+/******************************************************************************
+ *
+ * Module Name: exdump - Interpreter debug output routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exdump")
+
+/*
+ * The following routines are used for debug output only
+ */
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+/* Local prototypes */
+static void acpi_ex_out_string(char *title, char *value);
+
+static void acpi_ex_out_pointer(char *title, void *value);
+
+static void
+acpi_ex_dump_object(union acpi_operand_object *obj_desc,
+ struct acpi_exdump_info *info);
+
+static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
+
+static void
+acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
+ u32 level, u32 index);
+
+/*******************************************************************************
+ *
+ * Object Descriptor info tables
+ *
+ * Note: The first table entry must be an INIT opcode and must contain
+ * the table length (number of table entries)
+ *
+ ******************************************************************************/
+
+static struct acpi_exdump_info acpi_ex_dump_integer[2] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL},
+ {ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_string[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"},
+ {ACPI_EXD_STRING, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_buffer[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(buffer.node), "Parent Node"},
+ {ACPI_EXD_BUFFER, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_package[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(package.node), "Parent Node"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
+ {ACPI_EXD_PACKAGE, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_device[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[0]),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[1]),
+ "Device Notify"},
+ {ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(device.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_event[2] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_method[9] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.info_flags), "Info Flags"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
+ "Parameter Count"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_mutex[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.original_sync_level),
+ "Original Sync Level"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
+ {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
+ "Acquire Depth"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_region[8] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(region.node), "Parent Node"},
+ {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
+ {ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(region.handler), "Handler"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_power[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
+ "System Level"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
+ "Resource Order"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[0]),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[1]),
+ "Device Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
+ {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[0]),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[1]),
+ "Device Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[0]),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[1]),
+ "Device Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
+ "Buffer Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_region_field[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(field.access_length), "AccessLength"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.resource_buffer),
+ "ResourceBuffer"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
+ "Region Object"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
+ "Index Object"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(reference.node), "Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
+ {ACPI_EXD_REFERENCE, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
+ NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
+ {ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(address_space.next), "Next"},
+ {ACPI_EXD_RGN_LIST, ACPI_EXD_OFFSET(address_space.region_list),
+ "Region List"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(address_space.node), "Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_notify[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(notify.node), "Node"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(notify.handler_type), "Handler Type"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.handler), "Handler"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[0]),
+ "Next System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[1]), "Next Device Notify"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_extra[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_extra), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.method_REG), "_REG Method"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(extra.scope_node), "Scope Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.region_context),
+ "Region Context"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.aml_start), "Aml Start"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(extra.aml_length), "Aml Length"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_data[3] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_data), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(data.handler), "Handler"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(data.pointer), "Raw Data"}
+};
+
+/* Miscellaneous tables */
+
+static struct acpi_exdump_info acpi_ex_dump_common[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
+ {ACPI_EXD_TYPE, 0, NULL},
+ {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
+ "Reference Count"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"},
+ {ACPI_EXD_LIST, ACPI_EXD_OFFSET(common.next_object), "Object List"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
+ "Field Flags"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
+ "Access Byte Width"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
+ "Bit Length"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
+ "Field Bit Offset"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
+ "Base Byte Offset"},
+ {ACPI_EXD_NODE, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_node[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
+ {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
+ {ACPI_EXD_LIST, ACPI_EXD_NSOFFSET(object), "Object List"},
+ {ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(parent), "Parent"},
+ {ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(child), "Child"},
+ {ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(peer), "Peer"}
+};
+
+/* Dispatch table, indexed by object type */
+
+static struct acpi_exdump_info *acpi_ex_dump_info[] = {
+ NULL,
+ acpi_ex_dump_integer,
+ acpi_ex_dump_string,
+ acpi_ex_dump_buffer,
+ acpi_ex_dump_package,
+ NULL,
+ acpi_ex_dump_device,
+ acpi_ex_dump_event,
+ acpi_ex_dump_method,
+ acpi_ex_dump_mutex,
+ acpi_ex_dump_region,
+ acpi_ex_dump_power,
+ acpi_ex_dump_processor,
+ acpi_ex_dump_thermal,
+ acpi_ex_dump_buffer_field,
+ NULL,
+ NULL,
+ acpi_ex_dump_region_field,
+ acpi_ex_dump_bank_field,
+ acpi_ex_dump_index_field,
+ acpi_ex_dump_reference,
+ NULL,
+ NULL,
+ acpi_ex_dump_notify,
+ acpi_ex_dump_address_handler,
+ NULL,
+ NULL,
+ NULL,
+ acpi_ex_dump_extra,
+ acpi_ex_dump_data
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_object
+ *
+ * PARAMETERS: obj_desc - Descriptor to dump
+ * info - Info table corresponding to this object
+ * type
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Walk the info table for this object
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_object(union acpi_operand_object *obj_desc,
+ struct acpi_exdump_info *info)
+{
+ u8 *target;
+ char *name;
+ const char *reference_name;
+ u8 count;
+ union acpi_operand_object *start;
+ union acpi_operand_object *data = NULL;
+ union acpi_operand_object *next;
+ struct acpi_namespace_node *node;
+
+ if (!info) {
+ acpi_os_printf
+ ("ExDumpObject: Display not implemented for object type %s\n",
+ acpi_ut_get_object_type_name(obj_desc));
+ return;
+ }
+
+ /* First table entry must contain the table length (# of table entries) */
+
+ count = info->offset;
+
+ while (count) {
+ target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
+ name = info->name;
+
+ switch (info->opcode) {
+ case ACPI_EXD_INIT:
+
+ break;
+
+ case ACPI_EXD_TYPE:
+
+ acpi_os_printf("%20s : %2.2X [%s]\n", "Type",
+ obj_desc->common.type,
+ acpi_ut_get_object_type_name(obj_desc));
+ break;
+
+ case ACPI_EXD_UINT8:
+
+ acpi_os_printf("%20s : %2.2X\n", name, *target);
+ break;
+
+ case ACPI_EXD_UINT16:
+
+ acpi_os_printf("%20s : %4.4X\n", name,
+ ACPI_GET16(target));
+ break;
+
+ case ACPI_EXD_UINT32:
+
+ acpi_os_printf("%20s : %8.8X\n", name,
+ ACPI_GET32(target));
+ break;
+
+ case ACPI_EXD_UINT64:
+
+ acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
+ ACPI_FORMAT_UINT64(ACPI_GET64(target)));
+ break;
+
+ case ACPI_EXD_POINTER:
+ case ACPI_EXD_ADDRESS:
+
+ acpi_ex_out_pointer(name,
+ *ACPI_CAST_PTR(void *, target));
+ break;
+
+ case ACPI_EXD_STRING:
+
+ acpi_ut_print_string(obj_desc->string.pointer,
+ ACPI_UINT8_MAX);
+ acpi_os_printf("\n");
+ break;
+
+ case ACPI_EXD_BUFFER:
+
+ ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
+ obj_desc->buffer.length);
+ break;
+
+ case ACPI_EXD_PACKAGE:
+
+ /* Dump the package contents */
+
+ acpi_os_printf("\nPackage Contents:\n");
+ acpi_ex_dump_package_obj(obj_desc, 0, 0);
+ break;
+
+ case ACPI_EXD_FIELD:
+
+ acpi_ex_dump_object(obj_desc,
+ acpi_ex_dump_field_common);
+ break;
+
+ case ACPI_EXD_REFERENCE:
+
+ reference_name = acpi_ut_get_reference_name(obj_desc);
+ acpi_ex_out_string("Class Name",
+ ACPI_CAST_PTR(char, reference_name));
+ acpi_ex_dump_reference_obj(obj_desc);
+ break;
+
+ case ACPI_EXD_LIST:
+
+ start = *ACPI_CAST_PTR(void *, target);
+ next = start;
+
+ acpi_os_printf("%20s : %p", name, next);
+ if (next) {
+ acpi_os_printf("(%s %2.2X)",
+ acpi_ut_get_object_type_name
+ (next), next->common.type);
+
+ while (next->common.next_object) {
+ if ((next->common.type ==
+ ACPI_TYPE_LOCAL_DATA) && !data) {
+ data = next;
+ }
+
+ next = next->common.next_object;
+ acpi_os_printf("->%p(%s %2.2X)", next,
+ acpi_ut_get_object_type_name
+ (next),
+ next->common.type);
+
+ if ((next == start) || (next == data)) {
+ acpi_os_printf
+ ("\n**** Error: Object list appears to be circular linked");
+ break;
+ }
+ }
+ }
+
+ acpi_os_printf("\n", next);
+ break;
+
+ case ACPI_EXD_HDLR_LIST:
+
+ start = *ACPI_CAST_PTR(void *, target);
+ next = start;
+
+ acpi_os_printf("%20s : %p", name, next);
+ if (next) {
+ acpi_os_printf("(%s %2.2X)",
+ acpi_ut_get_object_type_name
+ (next), next->common.type);
+
+ while (next->address_space.next) {
+ if ((next->common.type ==
+ ACPI_TYPE_LOCAL_DATA) && !data) {
+ data = next;
+ }
+
+ next = next->address_space.next;
+ acpi_os_printf("->%p(%s %2.2X)", next,
+ acpi_ut_get_object_type_name
+ (next),
+ next->common.type);
+
+ if ((next == start) || (next == data)) {
+ acpi_os_printf
+ ("\n**** Error: Handler list appears to be circular linked");
+ break;
+ }
+ }
+ }
+
+ acpi_os_printf("\n", next);
+ break;
+
+ case ACPI_EXD_RGN_LIST:
+
+ start = *ACPI_CAST_PTR(void *, target);
+ next = start;
+
+ acpi_os_printf("%20s : %p", name, next);
+ if (next) {
+ acpi_os_printf("(%s %2.2X)",
+ acpi_ut_get_object_type_name
+ (next), next->common.type);
+
+ while (next->region.next) {
+ if ((next->common.type ==
+ ACPI_TYPE_LOCAL_DATA) && !data) {
+ data = next;
+ }
+
+ next = next->region.next;
+ acpi_os_printf("->%p(%s %2.2X)", next,
+ acpi_ut_get_object_type_name
+ (next),
+ next->common.type);
+
+ if ((next == start) || (next == data)) {
+ acpi_os_printf
+ ("\n**** Error: Region list appears to be circular linked");
+ break;
+ }
+ }
+ }
+
+ acpi_os_printf("\n", next);
+ break;
+
+ case ACPI_EXD_NODE:
+
+ node =
+ *ACPI_CAST_PTR(struct acpi_namespace_node *,
+ target);
+
+ acpi_os_printf("%20s : %p", name, node);
+ if (node) {
+ acpi_os_printf(" [%4.4s]", node->name.ascii);
+ }
+ acpi_os_printf("\n");
+ break;
+
+ default:
+
+ acpi_os_printf("**** Invalid table opcode [%X] ****\n",
+ info->opcode);
+ return;
+ }
+
+ info++;
+ count--;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_operand
+ *
+ * PARAMETERS: *obj_desc - Pointer to entry to be dumped
+ * depth - Current nesting depth
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Dump an operand object
+ *
+ ******************************************************************************/
+
+void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
+{
+ u32 length;
+ u32 index;
+
+ ACPI_FUNCTION_NAME(ex_dump_operand)
+
+ /* Check if debug output enabled */
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_EXEC, _COMPONENT)) {
+ return;
+ }
+
+ if (!obj_desc) {
+
+ /* This could be a null element of a package */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
+ return;
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
+ obj_desc));
+ ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
+ return;
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "%p is not a node or operand object: [%s]\n",
+ obj_desc,
+ acpi_ut_get_descriptor_name(obj_desc)));
+ ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
+ return;
+ }
+
+ /* obj_desc is a valid object */
+
+ if (depth > 0) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
+ depth, " ", depth, obj_desc));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
+ }
+
+ /* Decode object type */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ acpi_os_printf("Reference: [%s] ",
+ acpi_ut_get_reference_name(obj_desc));
+
+ switch (obj_desc->reference.class) {
+ case ACPI_REFCLASS_DEBUG:
+
+ acpi_os_printf("\n");
+ break;
+
+ case ACPI_REFCLASS_INDEX:
+
+ acpi_os_printf("%p\n", obj_desc->reference.object);
+ break;
+
+ case ACPI_REFCLASS_TABLE:
+
+ acpi_os_printf("Table Index %X\n",
+ obj_desc->reference.value);
+ break;
+
+ case ACPI_REFCLASS_REFOF:
+
+ acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
+ acpi_ut_get_type_name(((union
+ acpi_operand_object
+ *)
+ obj_desc->
+ reference.
+ object)->common.
+ type));
+ break;
+
+ case ACPI_REFCLASS_NAME:
+
+ acpi_os_printf("- [%4.4s]\n",
+ obj_desc->reference.node->name.ascii);
+ break;
+
+ case ACPI_REFCLASS_ARG:
+ case ACPI_REFCLASS_LOCAL:
+
+ acpi_os_printf("%X\n", obj_desc->reference.value);
+ break;
+
+ default: /* Unknown reference class */
+
+ acpi_os_printf("%2.2X\n", obj_desc->reference.class);
+ break;
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_os_printf("Buffer length %.2X @ %p\n",
+ obj_desc->buffer.length,
+ obj_desc->buffer.pointer);
+
+ /* Debug only -- dump the buffer contents */
+
+ if (obj_desc->buffer.pointer) {
+ length = obj_desc->buffer.length;
+ if (length > 128) {
+ length = 128;
+ }
+
+ acpi_os_printf
+ ("Buffer Contents: (displaying length 0x%.2X)\n",
+ length);
+ ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
+ }
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf("Integer %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(obj_desc->integer.value));
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ acpi_os_printf("Package [Len %X] ElementArray %p\n",
+ obj_desc->package.count,
+ obj_desc->package.elements);
+
+ /*
+ * If elements exist, package element pointer is valid,
+ * and debug_level exceeds 1, dump package's elements.
+ */
+ if (obj_desc->package.count &&
+ obj_desc->package.elements && acpi_dbg_level > 1) {
+ for (index = 0; index < obj_desc->package.count;
+ index++) {
+ acpi_ex_dump_operand(obj_desc->package.
+ elements[index],
+ depth + 1);
+ }
+ }
+ break;
+
+ case ACPI_TYPE_REGION:
+
+ acpi_os_printf("Region %s (%X)",
+ acpi_ut_get_region_name(obj_desc->region.
+ space_id),
+ obj_desc->region.space_id);
+
+ /*
+ * If the address and length have not been evaluated,
+ * don't print them.
+ */
+ if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
+ acpi_os_printf("\n");
+ } else {
+ acpi_os_printf(" base %8.8X%8.8X Length %X\n",
+ ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
+ address),
+ obj_desc->region.length);
+ }
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf("String length %X @ %p ",
+ obj_desc->string.length,
+ obj_desc->string.pointer);
+
+ acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
+ acpi_os_printf("\n");
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ acpi_os_printf("BankField\n");
+ break;
+
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+ acpi_os_printf
+ ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
+ "byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
+ obj_desc->field.access_byte_width,
+ obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
+ obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
+ obj_desc->field.base_byte_offset,
+ obj_desc->field.start_field_bit_offset);
+
+ acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
+ break;
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ acpi_os_printf("IndexField\n");
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
+ obj_desc->buffer_field.bit_length,
+ obj_desc->buffer_field.base_byte_offset,
+ obj_desc->buffer_field.start_field_bit_offset);
+
+ if (!obj_desc->buffer_field.buffer_obj) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
+ } else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
+ ACPI_TYPE_BUFFER) {
+ acpi_os_printf("*not a Buffer*\n");
+ } else {
+ acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
+ depth + 1);
+ }
+ break;
+
+ case ACPI_TYPE_EVENT:
+
+ acpi_os_printf("Event\n");
+ break;
+
+ case ACPI_TYPE_METHOD:
+
+ acpi_os_printf("Method(%X) @ %p:%X\n",
+ obj_desc->method.param_count,
+ obj_desc->method.aml_start,
+ obj_desc->method.aml_length);
+ break;
+
+ case ACPI_TYPE_MUTEX:
+
+ acpi_os_printf("Mutex\n");
+ break;
+
+ case ACPI_TYPE_DEVICE:
+
+ acpi_os_printf("Device\n");
+ break;
+
+ case ACPI_TYPE_POWER:
+
+ acpi_os_printf("Power\n");
+ break;
+
+ case ACPI_TYPE_PROCESSOR:
+
+ acpi_os_printf("Processor\n");
+ break;
+
+ case ACPI_TYPE_THERMAL:
+
+ acpi_os_printf("Thermal\n");
+ break;
+
+ default:
+
+ /* Unknown Type */
+
+ acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
+ break;
+ }
+
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_operands
+ *
+ * PARAMETERS: operands - A list of Operand objects
+ * opcode_name - AML opcode name
+ * num_operands - Operand count for this opcode
+ *
+ * DESCRIPTION: Dump the operands associated with the opcode
+ *
+ ******************************************************************************/
+
+void
+acpi_ex_dump_operands(union acpi_operand_object **operands,
+ const char *opcode_name, u32 num_operands)
+{
+ ACPI_FUNCTION_NAME(ex_dump_operands);
+
+ if (!opcode_name) {
+ opcode_name = "UNKNOWN";
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "**** Start operand dump for opcode [%s], %u operands\n",
+ opcode_name, num_operands));
+
+ if (num_operands == 0) {
+ num_operands = 1;
+ }
+
+ /* Dump the individual operands */
+
+ while (num_operands) {
+ acpi_ex_dump_operand(*operands, 0);
+ operands++;
+ num_operands--;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "**** End operand dump for [%s]\n", opcode_name));
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_out* functions
+ *
+ * PARAMETERS: title - Descriptive text
+ * value - Value to be displayed
+ *
+ * DESCRIPTION: Object dump output formatting functions. These functions
+ * reduce the number of format strings required and keeps them
+ * all in one place for easy modification.
+ *
+ ******************************************************************************/
+
+static void acpi_ex_out_string(char *title, char *value)
+{
+ acpi_os_printf("%20s : %s\n", title, value);
+}
+
+static void acpi_ex_out_pointer(char *title, void *value)
+{
+ acpi_os_printf("%20s : %p\n", title, value);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_namespace_node
+ *
+ * PARAMETERS: node - Descriptor to dump
+ * flags - Force display if TRUE
+ *
+ * DESCRIPTION: Dumps the members of the given.Node
+ *
+ ******************************************************************************/
+
+void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
+{
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!flags) {
+
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
+ return;
+ }
+ }
+
+ acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
+ acpi_os_printf("%20s : %2.2X [%s]\n", "Type",
+ node->type, acpi_ut_get_type_name(node->type));
+
+ acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
+ acpi_ex_dump_node);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_reference_obj
+ *
+ * PARAMETERS: object - Descriptor to dump
+ *
+ * DESCRIPTION: Dumps a reference object
+ *
+ ******************************************************************************/
+
+static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
+{
+ struct acpi_buffer ret_buf;
+ acpi_status status;
+
+ ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+
+ if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
+ acpi_os_printf(" %p ", obj_desc->reference.node);
+
+ status =
+ acpi_ns_handle_to_pathname(obj_desc->reference.node,
+ &ret_buf);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf(" Could not convert name to pathname\n");
+ } else {
+ acpi_os_printf("%s\n", (char *)ret_buf.pointer);
+ ACPI_FREE(ret_buf.pointer);
+ }
+ } else if (obj_desc->reference.object) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
+ ACPI_DESC_TYPE_OPERAND) {
+ acpi_os_printf(" Target: %p",
+ obj_desc->reference.object);
+ if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
+ acpi_os_printf(" Table Index: %X\n",
+ obj_desc->reference.value);
+ } else {
+ acpi_os_printf(" Target: %p [%s]\n",
+ obj_desc->reference.object,
+ acpi_ut_get_type_name(((union
+ acpi_operand_object
+ *)
+ obj_desc->
+ reference.
+ object)->
+ common.
+ type));
+ }
+ } else {
+ acpi_os_printf(" Target: %p\n",
+ obj_desc->reference.object);
+ }
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_package_obj
+ *
+ * PARAMETERS: obj_desc - Descriptor to dump
+ * level - Indentation Level
+ * index - Package index for this object
+ *
+ * DESCRIPTION: Dumps the elements of the package
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
+ u32 level, u32 index)
+{
+ u32 i;
+
+ /* Indentation and index output */
+
+ if (level > 0) {
+ for (i = 0; i < level; i++) {
+ acpi_os_printf(" ");
+ }
+
+ acpi_os_printf("[%.2d] ", index);
+ }
+
+ acpi_os_printf("%p ", obj_desc);
+
+ /* Null package elements are allowed */
+
+ if (!obj_desc) {
+ acpi_os_printf("[Null Object]\n");
+ return;
+ }
+
+ /* Packages may only contain a few object types */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf("[Integer] = %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(obj_desc->integer.value));
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf("[String] Value: ");
+ acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
+ acpi_os_printf("\n");
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_os_printf("[Buffer] Length %.2X = ",
+ obj_desc->buffer.length);
+ if (obj_desc->buffer.length) {
+ acpi_ut_debug_dump_buffer(ACPI_CAST_PTR
+ (u8,
+ obj_desc->buffer.pointer),
+ obj_desc->buffer.length,
+ DB_DWORD_DISPLAY, _COMPONENT);
+ } else {
+ acpi_os_printf("\n");
+ }
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ acpi_os_printf("[Package] Contains %u Elements:\n",
+ obj_desc->package.count);
+
+ for (i = 0; i < obj_desc->package.count; i++) {
+ acpi_ex_dump_package_obj(obj_desc->package.elements[i],
+ level + 1, i);
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ acpi_os_printf("[Object Reference] Type [%s] %2.2X",
+ acpi_ut_get_reference_name(obj_desc),
+ obj_desc->reference.class);
+ acpi_ex_dump_reference_obj(obj_desc);
+ break;
+
+ default:
+
+ acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
+ break;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_object_descriptor
+ *
+ * PARAMETERS: obj_desc - Descriptor to dump
+ * flags - Force display if TRUE
+ *
+ * DESCRIPTION: Dumps the members of the object descriptor given.
+ *
+ ******************************************************************************/
+
+void
+acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
+{
+ ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
+
+ if (!obj_desc) {
+ return_VOID;
+ }
+
+ if (!flags) {
+
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
+ return_VOID;
+ }
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
+ acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
+ obj_desc, flags);
+
+ acpi_os_printf("\nAttached Object (%p):\n",
+ ((struct acpi_namespace_node *)obj_desc)->
+ object);
+
+ obj_desc = ((struct acpi_namespace_node *)obj_desc)->object;
+ goto dump_object;
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
+ acpi_os_printf("%p is not an ACPI operand object: [%s]\n",
+ obj_desc, acpi_ut_get_descriptor_name(obj_desc));
+ return_VOID;
+ }
+
+ /* Validate the object type */
+
+ if (obj_desc->common.type > ACPI_TYPE_LOCAL_MAX) {
+ acpi_os_printf("Not a known object type: %2.2X\n",
+ obj_desc->common.type);
+ return_VOID;
+ }
+
+dump_object:
+
+ /* Common Fields */
+
+ acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
+
+ /* Object-specific fields */
+
+ acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
+
+ if (obj_desc->common.type == ACPI_TYPE_REGION) {
+ obj_desc = obj_desc->common.next_object;
+ if (obj_desc->common.type > ACPI_TYPE_LOCAL_MAX) {
+ acpi_os_printf
+ ("Secondary object is not a known object type: %2.2X\n",
+ obj_desc->common.type);
+
+ return_VOID;
+ }
+
+ acpi_os_printf("\nExtra attached Object (%p):\n", obj_desc);
+ acpi_ex_dump_object(obj_desc,
+ acpi_ex_dump_info[obj_desc->common.type]);
+ }
+
+ return_VOID;
+}
+
+#endif
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
new file mode 100644
index 00000000000..12878e1982f
--- /dev/null
+++ b/drivers/acpi/acpica/exfield.c
@@ -0,0 +1,471 @@
+/******************************************************************************
+ *
+ * Module Name: exfield - ACPI AML (p-code) execution - field manipulation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exfield")
+
+/* Local prototypes */
+static u32
+acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_serial_access_bytes
+ *
+ * PARAMETERS: accessor_type - The type of the protocol indicated by region
+ * field access attributes
+ * access_length - The access length of the region field
+ *
+ * RETURN: Decoded access length
+ *
+ * DESCRIPTION: This routine returns the length of the generic_serial_bus
+ * protocol bytes
+ *
+ ******************************************************************************/
+
+static u32
+acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length)
+{
+ u32 length;
+
+ switch (accessor_type) {
+ case AML_FIELD_ATTRIB_QUICK:
+
+ length = 0;
+ break;
+
+ case AML_FIELD_ATTRIB_SEND_RCV:
+ case AML_FIELD_ATTRIB_BYTE:
+
+ length = 1;
+ break;
+
+ case AML_FIELD_ATTRIB_WORD:
+ case AML_FIELD_ATTRIB_WORD_CALL:
+
+ length = 2;
+ break;
+
+ case AML_FIELD_ATTRIB_MULTIBYTE:
+ case AML_FIELD_ATTRIB_RAW_BYTES:
+ case AML_FIELD_ATTRIB_RAW_PROCESS:
+
+ length = access_length;
+ break;
+
+ case AML_FIELD_ATTRIB_BLOCK:
+ case AML_FIELD_ATTRIB_BLOCK_CALL:
+ default:
+
+ length = ACPI_GSBUS_BUFFER_SIZE;
+ break;
+ }
+
+ return (length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_read_data_from_field
+ *
+ * PARAMETERS: walk_state - Current execution state
+ * obj_desc - The named field
+ * ret_buffer_desc - Where the return data object is stored
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read from a named field. Returns either an Integer or a
+ * Buffer, depending on the size of the field.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object **ret_buffer_desc)
+{
+ acpi_status status;
+ union acpi_operand_object *buffer_desc;
+ acpi_size length;
+ void *buffer;
+ u32 function;
+ u16 accessor_type;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc);
+
+ /* Parameter validation */
+
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+ if (!ret_buffer_desc) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD) {
+ /*
+ * If the buffer_field arguments have not been previously evaluated,
+ * evaluate them now and save the results.
+ */
+ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status = acpi_ds_get_buffer_field_arguments(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ } else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
+ (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_SMBUS
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_GSBUS
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_IPMI)) {
+ /*
+ * This is an SMBus, GSBus or IPMI read. We must create a buffer to hold
+ * the data and then directly access the region handler.
+ *
+ * Note: SMBus and GSBus protocol value is passed in upper 16-bits of Function
+ */
+ if (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_SMBUS) {
+ length = ACPI_SMBUS_BUFFER_SIZE;
+ function =
+ ACPI_READ | (obj_desc->field.attribute << 16);
+ } else if (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_GSBUS) {
+ accessor_type = obj_desc->field.attribute;
+ length = acpi_ex_get_serial_access_length(accessor_type,
+ obj_desc->
+ field.
+ access_length);
+
+ /*
+ * Add additional 2 bytes for modeled generic_serial_bus data buffer:
+ * typedef struct {
+ * BYTEStatus; // Byte 0 of the data buffer
+ * BYTELength; // Byte 1 of the data buffer
+ * BYTE[x-1]Data; // Bytes 2-x of the arbitrary length data buffer,
+ * }
+ */
+ length += 2;
+ function = ACPI_READ | (accessor_type << 16);
+ } else { /* IPMI */
+
+ length = ACPI_IPMI_BUFFER_SIZE;
+ function = ACPI_READ;
+ }
+
+ buffer_desc = acpi_ut_create_buffer_object(length);
+ if (!buffer_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Lock entire transaction if requested */
+
+ acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
+
+ /* Call the region handler for the read */
+
+ status = acpi_ex_access_region(obj_desc, 0,
+ ACPI_CAST_PTR(u64,
+ buffer_desc->
+ buffer.pointer),
+ function);
+ acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
+ goto exit;
+ }
+
+ /*
+ * Allocate a buffer for the contents of the field.
+ *
+ * If the field is larger than the current integer width, create
+ * a BUFFER to hold it. Otherwise, use an INTEGER. This allows
+ * the use of arithmetic operators on the returned value if the
+ * field size is equal or smaller than an Integer.
+ *
+ * Note: Field.length is in bits.
+ */
+ length =
+ (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
+ if (length > acpi_gbl_integer_byte_width) {
+
+ /* Field is too large for an Integer, create a Buffer instead */
+
+ buffer_desc = acpi_ut_create_buffer_object(length);
+ if (!buffer_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+ buffer = buffer_desc->buffer.pointer;
+ } else {
+ /* Field will fit within an Integer (normal case) */
+
+ buffer_desc = acpi_ut_create_integer_object((u64) 0);
+ if (!buffer_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ length = acpi_gbl_integer_byte_width;
+ buffer = &buffer_desc->integer.value;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "FieldRead [TO]: Obj %p, Type %X, Buf %p, ByteLen %X\n",
+ obj_desc, obj_desc->common.type, buffer,
+ (u32) length));
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "FieldRead [FROM]: BitLen %X, BitOff %X, ByteOff %X\n",
+ obj_desc->common_field.bit_length,
+ obj_desc->common_field.start_field_bit_offset,
+ obj_desc->common_field.base_byte_offset));
+
+ /* Lock entire transaction if requested */
+
+ acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
+
+ /* Read from the field */
+
+ status = acpi_ex_extract_from_field(obj_desc, buffer, (u32) length);
+ acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
+
+exit:
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(buffer_desc);
+ } else {
+ *ret_buffer_desc = buffer_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_write_data_to_field
+ *
+ * PARAMETERS: source_desc - Contains data to write
+ * obj_desc - The named field
+ * result_desc - Where the return value is returned, if any
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write to a named field
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object **result_desc)
+{
+ acpi_status status;
+ u32 length;
+ void *buffer;
+ union acpi_operand_object *buffer_desc;
+ u32 function;
+ u16 accessor_type;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc);
+
+ /* Parameter validation */
+
+ if (!source_desc || !obj_desc) {
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ if (obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD) {
+ /*
+ * If the buffer_field arguments have not been previously evaluated,
+ * evaluate them now and save the results.
+ */
+ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status = acpi_ds_get_buffer_field_arguments(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ } else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
+ (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_SMBUS
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_GSBUS
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_IPMI)) {
+ /*
+ * This is an SMBus, GSBus or IPMI write. We will bypass the entire field
+ * mechanism and handoff the buffer directly to the handler. For
+ * these address spaces, the buffer is bi-directional; on a write,
+ * return data is returned in the same buffer.
+ *
+ * Source must be a buffer of sufficient size:
+ * ACPI_SMBUS_BUFFER_SIZE, ACPI_GSBUS_BUFFER_SIZE, or ACPI_IPMI_BUFFER_SIZE.
+ *
+ * Note: SMBus and GSBus protocol type is passed in upper 16-bits of Function
+ */
+ if (source_desc->common.type != ACPI_TYPE_BUFFER) {
+ ACPI_ERROR((AE_INFO,
+ "SMBus/IPMI/GenericSerialBus write requires Buffer, found type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ if (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_SMBUS) {
+ length = ACPI_SMBUS_BUFFER_SIZE;
+ function =
+ ACPI_WRITE | (obj_desc->field.attribute << 16);
+ } else if (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_GSBUS) {
+ accessor_type = obj_desc->field.attribute;
+ length = acpi_ex_get_serial_access_length(accessor_type,
+ obj_desc->
+ field.
+ access_length);
+
+ /*
+ * Add additional 2 bytes for modeled generic_serial_bus data buffer:
+ * typedef struct {
+ * BYTEStatus; // Byte 0 of the data buffer
+ * BYTELength; // Byte 1 of the data buffer
+ * BYTE[x-1]Data; // Bytes 2-x of the arbitrary length data buffer,
+ * }
+ */
+ length += 2;
+ function = ACPI_WRITE | (accessor_type << 16);
+ } else { /* IPMI */
+
+ length = ACPI_IPMI_BUFFER_SIZE;
+ function = ACPI_WRITE;
+ }
+
+ if (source_desc->buffer.length < length) {
+ ACPI_ERROR((AE_INFO,
+ "SMBus/IPMI/GenericSerialBus write requires Buffer of length %u, found length %u",
+ length, source_desc->buffer.length));
+
+ return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
+ }
+
+ /* Create the bi-directional buffer */
+
+ buffer_desc = acpi_ut_create_buffer_object(length);
+ if (!buffer_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ buffer = buffer_desc->buffer.pointer;
+ ACPI_MEMCPY(buffer, source_desc->buffer.pointer, length);
+
+ /* Lock entire transaction if requested */
+
+ acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
+
+ /*
+ * Perform the write (returns status and perhaps data in the
+ * same buffer)
+ */
+ status = acpi_ex_access_region(obj_desc, 0,
+ (u64 *) buffer, function);
+ acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
+
+ *result_desc = buffer_desc;
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get a pointer to the data to be written */
+
+ switch (source_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ buffer = &source_desc->integer.value;
+ length = sizeof(source_desc->integer.value);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ buffer = source_desc->buffer.pointer;
+ length = source_desc->buffer.length;
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ buffer = source_desc->string.pointer;
+ length = source_desc->string.length;
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "FieldWrite [FROM]: Obj %p (%s:%X), Buf %p, ByteLen %X\n",
+ source_desc,
+ acpi_ut_get_type_name(source_desc->common.type),
+ source_desc->common.type, buffer, length));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "FieldWrite [TO]: Obj %p (%s:%X), BitLen %X, BitOff %X, ByteOff %X\n",
+ obj_desc,
+ acpi_ut_get_type_name(obj_desc->common.type),
+ obj_desc->common.type,
+ obj_desc->common_field.bit_length,
+ obj_desc->common_field.start_field_bit_offset,
+ obj_desc->common_field.base_byte_offset));
+
+ /* Lock entire transaction if requested */
+
+ acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
+
+ /* Write to the field */
+
+ status = acpi_ex_insert_into_field(obj_desc, buffer, length);
+ acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
new file mode 100644
index 00000000000..1d1b27a96c5
--- /dev/null
+++ b/drivers/acpi/acpica/exfldio.c
@@ -0,0 +1,1006 @@
+/******************************************************************************
+ *
+ * Module Name: exfldio - Aml Field I/O
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acevents.h"
+#include "acdispat.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exfldio")
+
+/* Local prototypes */
+static acpi_status
+acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset, u64 *value, u32 read_write);
+
+static u8
+acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value);
+
+static acpi_status
+acpi_ex_setup_region(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_setup_region
+ *
+ * PARAMETERS: obj_desc - Field to be read or written
+ * field_datum_byte_offset - Byte offset of this datum within the
+ * parent field
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Common processing for acpi_ex_extract_from_field and
+ * acpi_ex_insert_into_field. Initialize the Region if necessary and
+ * validate the request.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_setup_region(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *rgn_desc;
+ u8 space_id;
+
+ ACPI_FUNCTION_TRACE_U32(ex_setup_region, field_datum_byte_offset);
+
+ rgn_desc = obj_desc->common_field.region_obj;
+
+ /* We must have a valid region */
+
+ if (rgn_desc->common.type != ACPI_TYPE_REGION) {
+ ACPI_ERROR((AE_INFO, "Needed Region, found type 0x%X (%s)",
+ rgn_desc->common.type,
+ acpi_ut_get_object_type_name(rgn_desc)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ space_id = rgn_desc->region.space_id;
+
+ /* Validate the Space ID */
+
+ if (!acpi_is_valid_space_id(space_id)) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unknown Address Space ID: 0x%2.2X",
+ space_id));
+ return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
+ }
+
+ /*
+ * If the Region Address and Length have not been previously evaluated,
+ * evaluate them now and save the results.
+ */
+ if (!(rgn_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status = acpi_ds_get_region_arguments(rgn_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Exit now for SMBus, GSBus or IPMI address space, it has a non-linear
+ * address space and the request cannot be directly validated
+ */
+ if (space_id == ACPI_ADR_SPACE_SMBUS ||
+ space_id == ACPI_ADR_SPACE_GSBUS ||
+ space_id == ACPI_ADR_SPACE_IPMI) {
+
+ /* SMBus or IPMI has a non-linear address space */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+#ifdef ACPI_UNDER_DEVELOPMENT
+ /*
+ * If the Field access is any_acc, we can now compute the optimal
+ * access (because we know know the length of the parent region)
+ */
+ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+#endif
+
+ /*
+ * Validate the request. The entire request from the byte offset for a
+ * length of one field datum (access width) must fit within the region.
+ * (Region length is specified in bytes)
+ */
+ if (rgn_desc->region.length <
+ (obj_desc->common_field.base_byte_offset + field_datum_byte_offset +
+ obj_desc->common_field.access_byte_width)) {
+ if (acpi_gbl_enable_interpreter_slack) {
+ /*
+ * Slack mode only: We will go ahead and allow access to this
+ * field if it is within the region length rounded up to the next
+ * access width boundary. acpi_size cast for 64-bit compile.
+ */
+ if (ACPI_ROUND_UP(rgn_desc->region.length,
+ obj_desc->common_field.
+ access_byte_width) >=
+ ((acpi_size) obj_desc->common_field.
+ base_byte_offset +
+ obj_desc->common_field.access_byte_width +
+ field_datum_byte_offset)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+ }
+
+ if (rgn_desc->region.length <
+ obj_desc->common_field.access_byte_width) {
+ /*
+ * This is the case where the access_type (acc_word, etc.) is wider
+ * than the region itself. For example, a region of length one
+ * byte, and a field with Dword access specified.
+ */
+ ACPI_ERROR((AE_INFO,
+ "Field [%4.4s] access width (%u bytes) too large for region [%4.4s] (length %u)",
+ acpi_ut_get_node_name(obj_desc->
+ common_field.node),
+ obj_desc->common_field.access_byte_width,
+ acpi_ut_get_node_name(rgn_desc->region.
+ node),
+ rgn_desc->region.length));
+ }
+
+ /*
+ * Offset rounded up to next multiple of field width
+ * exceeds region length, indicate an error
+ */
+ ACPI_ERROR((AE_INFO,
+ "Field [%4.4s] Base+Offset+Width %u+%u+%u is beyond end of region [%4.4s] (length %u)",
+ acpi_ut_get_node_name(obj_desc->common_field.node),
+ obj_desc->common_field.base_byte_offset,
+ field_datum_byte_offset,
+ obj_desc->common_field.access_byte_width,
+ acpi_ut_get_node_name(rgn_desc->region.node),
+ rgn_desc->region.length));
+
+ return_ACPI_STATUS(AE_AML_REGION_LIMIT);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_access_region
+ *
+ * PARAMETERS: obj_desc - Field to be read
+ * field_datum_byte_offset - Byte offset of this datum within the
+ * parent field
+ * value - Where to store value (must at least
+ * 64 bits)
+ * function - Read or Write flag plus other region-
+ * dependent flags
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read or Write a single field datum to an Operation Region.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_access_region(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset, u64 *value, u32 function)
+{
+ acpi_status status;
+ union acpi_operand_object *rgn_desc;
+ u32 region_offset;
+
+ ACPI_FUNCTION_TRACE(ex_access_region);
+
+ /*
+ * Ensure that the region operands are fully evaluated and verify
+ * the validity of the request
+ */
+ status = acpi_ex_setup_region(obj_desc, field_datum_byte_offset);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * The physical address of this field datum is:
+ *
+ * 1) The base of the region, plus
+ * 2) The base offset of the field, plus
+ * 3) The current offset into the field
+ */
+ rgn_desc = obj_desc->common_field.region_obj;
+ region_offset =
+ obj_desc->common_field.base_byte_offset + field_datum_byte_offset;
+
+ if ((function & ACPI_IO_MASK) == ACPI_READ) {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "[READ]"));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "[WRITE]"));
+ }
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD,
+ " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %p\n",
+ acpi_ut_get_region_name(rgn_desc->region.
+ space_id),
+ rgn_desc->region.space_id,
+ obj_desc->common_field.access_byte_width,
+ obj_desc->common_field.base_byte_offset,
+ field_datum_byte_offset, ACPI_CAST_PTR(void,
+ (rgn_desc->
+ region.
+ address +
+ region_offset))));
+
+ /* Invoke the appropriate address_space/op_region handler */
+
+ status = acpi_ev_address_space_dispatch(rgn_desc, obj_desc,
+ function, region_offset,
+ ACPI_MUL_8(obj_desc->
+ common_field.
+ access_byte_width),
+ value);
+
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_NOT_IMPLEMENTED) {
+ ACPI_ERROR((AE_INFO,
+ "Region %s (ID=%u) not implemented",
+ acpi_ut_get_region_name(rgn_desc->region.
+ space_id),
+ rgn_desc->region.space_id));
+ } else if (status == AE_NOT_EXIST) {
+ ACPI_ERROR((AE_INFO,
+ "Region %s (ID=%u) has no handler",
+ acpi_ut_get_region_name(rgn_desc->region.
+ space_id),
+ rgn_desc->region.space_id));
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_register_overflow
+ *
+ * PARAMETERS: obj_desc - Register(Field) to be written
+ * value - Value to be stored
+ *
+ * RETURN: TRUE if value overflows the field, FALSE otherwise
+ *
+ * DESCRIPTION: Check if a value is out of range of the field being written.
+ * Used to check if the values written to Index and Bank registers
+ * are out of range. Normally, the value is simply truncated
+ * to fit the field, but this case is most likely a serious
+ * coding error in the ASL.
+ *
+ ******************************************************************************/
+
+static u8
+acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value)
+{
+
+ if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) {
+ /*
+ * The field is large enough to hold the maximum integer, so we can
+ * never overflow it.
+ */
+ return (FALSE);
+ }
+
+ if (value >= ((u64) 1 << obj_desc->common_field.bit_length)) {
+ /*
+ * The Value is larger than the maximum value that can fit into
+ * the register.
+ */
+ ACPI_ERROR((AE_INFO,
+ "Index value 0x%8.8X%8.8X overflows field width 0x%X",
+ ACPI_FORMAT_UINT64(value),
+ obj_desc->common_field.bit_length));
+
+ return (TRUE);
+ }
+
+ /* The Value will fit into the field with no truncation */
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_field_datum_io
+ *
+ * PARAMETERS: obj_desc - Field to be read
+ * field_datum_byte_offset - Byte offset of this datum within the
+ * parent field
+ * value - Where to store value (must be 64 bits)
+ * read_write - Read or Write flag
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read or Write a single datum of a field. The field_type is
+ * demultiplexed here to handle the different types of fields
+ * (buffer_field, region_field, index_field, bank_field)
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
+ u32 field_datum_byte_offset, u64 *value, u32 read_write)
+{
+ acpi_status status;
+ u64 local_value;
+
+ ACPI_FUNCTION_TRACE_U32(ex_field_datum_io, field_datum_byte_offset);
+
+ if (read_write == ACPI_READ) {
+ if (!value) {
+ local_value = 0;
+
+ /* To support reads without saving return value */
+ value = &local_value;
+ }
+
+ /* Clear the entire return buffer first, [Very Important!] */
+
+ *value = 0;
+ }
+
+ /*
+ * The four types of fields are:
+ *
+ * buffer_field - Read/write from/to a Buffer
+ * region_field - Read/write from/to a Operation Region.
+ * bank_field - Write to a Bank Register, then read/write from/to an
+ * operation_region
+ * index_field - Write to an Index Register, then read/write from/to a
+ * Data Register
+ */
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+ /*
+ * If the buffer_field arguments have not been previously evaluated,
+ * evaluate them now and save the results.
+ */
+ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status = acpi_ds_get_buffer_field_arguments(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ if (read_write == ACPI_READ) {
+ /*
+ * Copy the data from the source buffer.
+ * Length is the field width in bytes.
+ */
+ ACPI_MEMCPY(value,
+ (obj_desc->buffer_field.buffer_obj)->buffer.
+ pointer +
+ obj_desc->buffer_field.base_byte_offset +
+ field_datum_byte_offset,
+ obj_desc->common_field.access_byte_width);
+ } else {
+ /*
+ * Copy the data to the target buffer.
+ * Length is the field width in bytes.
+ */
+ ACPI_MEMCPY((obj_desc->buffer_field.buffer_obj)->buffer.
+ pointer +
+ obj_desc->buffer_field.base_byte_offset +
+ field_datum_byte_offset, value,
+ obj_desc->common_field.access_byte_width);
+ }
+
+ status = AE_OK;
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ /*
+ * Ensure that the bank_value is not beyond the capacity of
+ * the register
+ */
+ if (acpi_ex_register_overflow(obj_desc->bank_field.bank_obj,
+ (u64) obj_desc->bank_field.
+ value)) {
+ return_ACPI_STATUS(AE_AML_REGISTER_LIMIT);
+ }
+
+ /*
+ * For bank_fields, we must write the bank_value to the bank_register
+ * (itself a region_field) before we can access the data.
+ */
+ status =
+ acpi_ex_insert_into_field(obj_desc->bank_field.bank_obj,
+ &obj_desc->bank_field.value,
+ sizeof(obj_desc->bank_field.
+ value));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Now that the Bank has been selected, fall through to the
+ * region_field case and write the datum to the Operation Region
+ */
+
+ /*lint -fallthrough */
+
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ /*
+ * For simple region_fields, we just directly access the owning
+ * Operation Region.
+ */
+ status =
+ acpi_ex_access_region(obj_desc, field_datum_byte_offset,
+ value, read_write);
+ break;
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ /*
+ * Ensure that the index_value is not beyond the capacity of
+ * the register
+ */
+ if (acpi_ex_register_overflow(obj_desc->index_field.index_obj,
+ (u64) obj_desc->index_field.
+ value)) {
+ return_ACPI_STATUS(AE_AML_REGISTER_LIMIT);
+ }
+
+ /* Write the index value to the index_register (itself a region_field) */
+
+ field_datum_byte_offset += obj_desc->index_field.value;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Write to Index Register: Value %8.8X\n",
+ field_datum_byte_offset));
+
+ status =
+ acpi_ex_insert_into_field(obj_desc->index_field.index_obj,
+ &field_datum_byte_offset,
+ sizeof(field_datum_byte_offset));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (read_write == ACPI_READ) {
+
+ /* Read the datum from the data_register */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Read from Data Register\n"));
+
+ status =
+ acpi_ex_extract_from_field(obj_desc->index_field.
+ data_obj, value,
+ sizeof(u64));
+ } else {
+ /* Write the datum to the data_register */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Write to Data Register: Value %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(*value)));
+
+ status =
+ acpi_ex_insert_into_field(obj_desc->index_field.
+ data_obj, value,
+ sizeof(u64));
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Wrong object type in field I/O %u",
+ obj_desc->common.type));
+ status = AE_AML_INTERNAL;
+ break;
+ }
+
+ if (ACPI_SUCCESS(status)) {
+ if (read_write == ACPI_READ) {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Value Read %8.8X%8.8X, Width %u\n",
+ ACPI_FORMAT_UINT64(*value),
+ obj_desc->common_field.
+ access_byte_width));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Value Written %8.8X%8.8X, Width %u\n",
+ ACPI_FORMAT_UINT64(*value),
+ obj_desc->common_field.
+ access_byte_width));
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_write_with_update_rule
+ *
+ * PARAMETERS: obj_desc - Field to be written
+ * mask - bitmask within field datum
+ * field_value - Value to write
+ * field_datum_byte_offset - Offset of datum within field
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Apply the field update rule to a field write
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
+ u64 mask,
+ u64 field_value, u32 field_datum_byte_offset)
+{
+ acpi_status status = AE_OK;
+ u64 merged_value;
+ u64 current_value;
+
+ ACPI_FUNCTION_TRACE_U32(ex_write_with_update_rule, mask);
+
+ /* Start with the new bits */
+
+ merged_value = field_value;
+
+ /* If the mask is all ones, we don't need to worry about the update rule */
+
+ if (mask != ACPI_UINT64_MAX) {
+
+ /* Decode the update rule */
+
+ switch (obj_desc->common_field.
+ field_flags & AML_FIELD_UPDATE_RULE_MASK) {
+ case AML_FIELD_UPDATE_PRESERVE:
+ /*
+ * Check if update rule needs to be applied (not if mask is all
+ * ones) The left shift drops the bits we want to ignore.
+ */
+ if ((~mask << (ACPI_MUL_8(sizeof(mask)) -
+ ACPI_MUL_8(obj_desc->common_field.
+ access_byte_width))) != 0) {
+ /*
+ * Read the current contents of the byte/word/dword containing
+ * the field, and merge with the new field value.
+ */
+ status =
+ acpi_ex_field_datum_io(obj_desc,
+ field_datum_byte_offset,
+ &current_value,
+ ACPI_READ);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ merged_value |= (current_value & ~mask);
+ }
+ break;
+
+ case AML_FIELD_UPDATE_WRITE_AS_ONES:
+
+ /* Set positions outside the field to all ones */
+
+ merged_value |= ~mask;
+ break;
+
+ case AML_FIELD_UPDATE_WRITE_AS_ZEROS:
+
+ /* Set positions outside the field to all zeros */
+
+ merged_value &= mask;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown UpdateRule value: 0x%X",
+ (obj_desc->common_field.
+ field_flags &
+ AML_FIELD_UPDATE_RULE_MASK)));
+ return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Mask %8.8X%8.8X, DatumOffset %X, Width %X, Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(mask),
+ field_datum_byte_offset,
+ obj_desc->common_field.access_byte_width,
+ ACPI_FORMAT_UINT64(field_value),
+ ACPI_FORMAT_UINT64(merged_value)));
+
+ /* Write the merged value */
+
+ status = acpi_ex_field_datum_io(obj_desc, field_datum_byte_offset,
+ &merged_value, ACPI_WRITE);
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_extract_from_field
+ *
+ * PARAMETERS: obj_desc - Field to be read
+ * buffer - Where to store the field data
+ * buffer_length - Length of Buffer
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieve the current value of the given field
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
+ void *buffer, u32 buffer_length)
+{
+ acpi_status status;
+ u64 raw_datum;
+ u64 merged_datum;
+ u32 field_offset = 0;
+ u32 buffer_offset = 0;
+ u32 buffer_tail_bits;
+ u32 datum_count;
+ u32 field_datum_count;
+ u32 access_bit_width;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ex_extract_from_field);
+
+ /* Validate target buffer and clear it */
+
+ if (buffer_length <
+ ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length)) {
+ ACPI_ERROR((AE_INFO,
+ "Field size %u (bits) is too large for buffer (%u)",
+ obj_desc->common_field.bit_length, buffer_length));
+
+ return_ACPI_STATUS(AE_BUFFER_OVERFLOW);
+ }
+
+ ACPI_MEMSET(buffer, 0, buffer_length);
+ access_bit_width = ACPI_MUL_8(obj_desc->common_field.access_byte_width);
+
+ /* Handle the simple case here */
+
+ if ((obj_desc->common_field.start_field_bit_offset == 0) &&
+ (obj_desc->common_field.bit_length == access_bit_width)) {
+ if (buffer_length >= sizeof(u64)) {
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, buffer,
+ ACPI_READ);
+ } else {
+ /* Use raw_datum (u64) to handle buffers < 64 bits */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, &raw_datum,
+ ACPI_READ);
+ ACPI_MEMCPY(buffer, &raw_datum, buffer_length);
+ }
+
+ return_ACPI_STATUS(status);
+ }
+
+/* TBD: Move to common setup code */
+
+ /* Field algorithm is limited to sizeof(u64), truncate if needed */
+
+ if (obj_desc->common_field.access_byte_width > sizeof(u64)) {
+ obj_desc->common_field.access_byte_width = sizeof(u64);
+ access_bit_width = sizeof(u64) * 8;
+ }
+
+ /* Compute the number of datums (access width data items) */
+
+ datum_count =
+ ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
+ access_bit_width);
+
+ field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length +
+ obj_desc->common_field.
+ start_field_bit_offset,
+ access_bit_width);
+
+ /* Priming read from the field */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, field_offset, &raw_datum,
+ ACPI_READ);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ merged_datum =
+ raw_datum >> obj_desc->common_field.start_field_bit_offset;
+
+ /* Read the rest of the field */
+
+ for (i = 1; i < field_datum_count; i++) {
+
+ /* Get next input datum from the field */
+
+ field_offset += obj_desc->common_field.access_byte_width;
+ status = acpi_ex_field_datum_io(obj_desc, field_offset,
+ &raw_datum, ACPI_READ);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Merge with previous datum if necessary.
+ *
+ * Note: Before the shift, check if the shift value will be larger than
+ * the integer size. If so, there is no need to perform the operation.
+ * This avoids the differences in behavior between different compilers
+ * concerning shift values larger than the target data width.
+ */
+ if (access_bit_width -
+ obj_desc->common_field.start_field_bit_offset <
+ ACPI_INTEGER_BIT_SIZE) {
+ merged_datum |=
+ raw_datum << (access_bit_width -
+ obj_desc->common_field.
+ start_field_bit_offset);
+ }
+
+ if (i == datum_count) {
+ break;
+ }
+
+ /* Write merged datum to target buffer */
+
+ ACPI_MEMCPY(((char *)buffer) + buffer_offset, &merged_datum,
+ ACPI_MIN(obj_desc->common_field.access_byte_width,
+ buffer_length - buffer_offset));
+
+ buffer_offset += obj_desc->common_field.access_byte_width;
+ merged_datum =
+ raw_datum >> obj_desc->common_field.start_field_bit_offset;
+ }
+
+ /* Mask off any extra bits in the last datum */
+
+ buffer_tail_bits = obj_desc->common_field.bit_length % access_bit_width;
+ if (buffer_tail_bits) {
+ merged_datum &= ACPI_MASK_BITS_ABOVE(buffer_tail_bits);
+ }
+
+ /* Write the last datum to the buffer */
+
+ ACPI_MEMCPY(((char *)buffer) + buffer_offset, &merged_datum,
+ ACPI_MIN(obj_desc->common_field.access_byte_width,
+ buffer_length - buffer_offset));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_insert_into_field
+ *
+ * PARAMETERS: obj_desc - Field to be written
+ * buffer - Data to be written
+ * buffer_length - Length of Buffer
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Store the Buffer contents into the given field
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
+ void *buffer, u32 buffer_length)
+{
+ void *new_buffer;
+ acpi_status status;
+ u64 mask;
+ u64 width_mask;
+ u64 merged_datum;
+ u64 raw_datum = 0;
+ u32 field_offset = 0;
+ u32 buffer_offset = 0;
+ u32 buffer_tail_bits;
+ u32 datum_count;
+ u32 field_datum_count;
+ u32 access_bit_width;
+ u32 required_length;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ex_insert_into_field);
+
+ /* Validate input buffer */
+
+ new_buffer = NULL;
+ required_length =
+ ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length);
+ /*
+ * We must have a buffer that is at least as long as the field
+ * we are writing to. This is because individual fields are
+ * indivisible and partial writes are not supported -- as per
+ * the ACPI specification.
+ */
+ if (buffer_length < required_length) {
+
+ /* We need to create a new buffer */
+
+ new_buffer = ACPI_ALLOCATE_ZEROED(required_length);
+ if (!new_buffer) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * Copy the original data to the new buffer, starting
+ * at Byte zero. All unused (upper) bytes of the
+ * buffer will be 0.
+ */
+ ACPI_MEMCPY((char *)new_buffer, (char *)buffer, buffer_length);
+ buffer = new_buffer;
+ buffer_length = required_length;
+ }
+
+/* TBD: Move to common setup code */
+
+ /* Algo is limited to sizeof(u64), so cut the access_byte_width */
+ if (obj_desc->common_field.access_byte_width > sizeof(u64)) {
+ obj_desc->common_field.access_byte_width = sizeof(u64);
+ }
+
+ access_bit_width = ACPI_MUL_8(obj_desc->common_field.access_byte_width);
+
+ /*
+ * Create the bitmasks used for bit insertion.
+ * Note: This if/else is used to bypass compiler differences with the
+ * shift operator
+ */
+ if (access_bit_width == ACPI_INTEGER_BIT_SIZE) {
+ width_mask = ACPI_UINT64_MAX;
+ } else {
+ width_mask = ACPI_MASK_BITS_ABOVE(access_bit_width);
+ }
+
+ mask = width_mask &
+ ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset);
+
+ /* Compute the number of datums (access width data items) */
+
+ datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
+ access_bit_width);
+
+ field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length +
+ obj_desc->common_field.
+ start_field_bit_offset,
+ access_bit_width);
+
+ /* Get initial Datum from the input buffer */
+
+ ACPI_MEMCPY(&raw_datum, buffer,
+ ACPI_MIN(obj_desc->common_field.access_byte_width,
+ buffer_length - buffer_offset));
+
+ merged_datum =
+ raw_datum << obj_desc->common_field.start_field_bit_offset;
+
+ /* Write the entire field */
+
+ for (i = 1; i < field_datum_count; i++) {
+
+ /* Write merged datum to the target field */
+
+ merged_datum &= mask;
+ status = acpi_ex_write_with_update_rule(obj_desc, mask,
+ merged_datum,
+ field_offset);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ field_offset += obj_desc->common_field.access_byte_width;
+
+ /*
+ * Start new output datum by merging with previous input datum
+ * if necessary.
+ *
+ * Note: Before the shift, check if the shift value will be larger than
+ * the integer size. If so, there is no need to perform the operation.
+ * This avoids the differences in behavior between different compilers
+ * concerning shift values larger than the target data width.
+ */
+ if ((access_bit_width -
+ obj_desc->common_field.start_field_bit_offset) <
+ ACPI_INTEGER_BIT_SIZE) {
+ merged_datum =
+ raw_datum >> (access_bit_width -
+ obj_desc->common_field.
+ start_field_bit_offset);
+ } else {
+ merged_datum = 0;
+ }
+
+ mask = width_mask;
+
+ if (i == datum_count) {
+ break;
+ }
+
+ /* Get the next input datum from the buffer */
+
+ buffer_offset += obj_desc->common_field.access_byte_width;
+ ACPI_MEMCPY(&raw_datum, ((char *)buffer) + buffer_offset,
+ ACPI_MIN(obj_desc->common_field.access_byte_width,
+ buffer_length - buffer_offset));
+
+ merged_datum |=
+ raw_datum << obj_desc->common_field.start_field_bit_offset;
+ }
+
+ /* Mask off any extra bits in the last datum */
+
+ buffer_tail_bits = (obj_desc->common_field.bit_length +
+ obj_desc->common_field.start_field_bit_offset) %
+ access_bit_width;
+ if (buffer_tail_bits) {
+ mask &= ACPI_MASK_BITS_ABOVE(buffer_tail_bits);
+ }
+
+ /* Write the last datum to the field */
+
+ merged_datum &= mask;
+ status = acpi_ex_write_with_update_rule(obj_desc,
+ mask, merged_datum,
+ field_offset);
+
+exit:
+ /* Free temporary buffer if we used one */
+
+ if (new_buffer) {
+ ACPI_FREE(new_buffer);
+ }
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
new file mode 100644
index 00000000000..2207e624f53
--- /dev/null
+++ b/drivers/acpi/acpica/exmisc.c
@@ -0,0 +1,733 @@
+/******************************************************************************
+ *
+ * Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "amlresrc.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exmisc")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_get_object_reference
+ *
+ * PARAMETERS: obj_desc - Create a reference to this object
+ * return_desc - Where to store the reference
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Obtain and return a "reference" to the target object
+ * Common code for the ref_of_op and the cond_ref_of_op.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
+ union acpi_operand_object **return_desc,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *reference_obj;
+ union acpi_operand_object *referenced_obj;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_get_object_reference, obj_desc);
+
+ *return_desc = NULL;
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
+ case ACPI_DESC_TYPE_OPERAND:
+
+ if (obj_desc->common.type != ACPI_TYPE_LOCAL_REFERENCE) {
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * Must be a reference to a Local or Arg
+ */
+ switch (obj_desc->reference.class) {
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_ARG:
+ case ACPI_REFCLASS_DEBUG:
+
+ /* The referenced object is the pseudo-node for the local/arg */
+
+ referenced_obj = obj_desc->reference.object;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown Reference Class 0x%2.2X",
+ obj_desc->reference.class));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+ break;
+
+ case ACPI_DESC_TYPE_NAMED:
+ /*
+ * A named reference that has already been resolved to a Node
+ */
+ referenced_obj = obj_desc;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid descriptor type 0x%X",
+ ACPI_GET_DESCRIPTOR_TYPE(obj_desc)));
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /* Create a new reference object */
+
+ reference_obj =
+ acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
+ if (!reference_obj) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ reference_obj->reference.class = ACPI_REFCLASS_REFOF;
+ reference_obj->reference.object = referenced_obj;
+ *return_desc = reference_obj;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Object %p Type [%s], returning Reference %p\n",
+ obj_desc, acpi_ut_get_object_type_name(obj_desc),
+ *return_desc));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_concat_template
+ *
+ * PARAMETERS: operand0 - First source object
+ * operand1 - Second source object
+ * actual_return_desc - Where to place the return object
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Concatenate two resource templates
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_concat_template(union acpi_operand_object *operand0,
+ union acpi_operand_object *operand1,
+ union acpi_operand_object **actual_return_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_operand_object *return_desc;
+ u8 *new_buf;
+ u8 *end_tag;
+ acpi_size length0;
+ acpi_size length1;
+ acpi_size new_length;
+
+ ACPI_FUNCTION_TRACE(ex_concat_template);
+
+ /*
+ * Find the end_tag descriptor in each resource template.
+ * Note1: returned pointers point TO the end_tag, not past it.
+ * Note2: zero-length buffers are allowed; treated like one end_tag
+ */
+
+ /* Get the length of the first resource template */
+
+ status = acpi_ut_get_resource_end_tag(operand0, &end_tag);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer);
+
+ /* Get the length of the second resource template */
+
+ status = acpi_ut_get_resource_end_tag(operand1, &end_tag);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer);
+
+ /* Combine both lengths, minimum size will be 2 for end_tag */
+
+ new_length = length0 + length1 + sizeof(struct aml_resource_end_tag);
+
+ /* Create a new buffer object for the result (with one end_tag) */
+
+ return_desc = acpi_ut_create_buffer_object(new_length);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * Copy the templates to the new buffer, 0 first, then 1 follows. One
+ * end_tag descriptor is copied from Operand1.
+ */
+ new_buf = return_desc->buffer.pointer;
+ ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length0);
+ ACPI_MEMCPY(new_buf + length0, operand1->buffer.pointer, length1);
+
+ /* Insert end_tag and set the checksum to zero, means "ignore checksum" */
+
+ new_buf[new_length - 1] = 0;
+ new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1;
+
+ /* Return the completed resource template */
+
+ *actual_return_desc = return_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_concatenate
+ *
+ * PARAMETERS: operand0 - First source object
+ * operand1 - Second source object
+ * actual_return_desc - Where to place the return object
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Concatenate two objects OF THE SAME TYPE.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_do_concatenate(union acpi_operand_object *operand0,
+ union acpi_operand_object *operand1,
+ union acpi_operand_object **actual_return_desc,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *local_operand1 = operand1;
+ union acpi_operand_object *return_desc;
+ char *new_buf;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_do_concatenate);
+
+ /*
+ * Convert the second operand if necessary. The first operand
+ * determines the type of the second operand, (See the Data Types
+ * section of the ACPI specification.) Both object types are
+ * guaranteed to be either Integer/String/Buffer by the operand
+ * resolution mechanism.
+ */
+ switch (operand0->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ status =
+ acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ status = acpi_ex_convert_to_string(operand1, &local_operand1,
+ ACPI_IMPLICIT_CONVERT_HEX);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
+ operand0->common.type));
+ status = AE_AML_INTERNAL;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * Both operands are now known to be the same object type
+ * (Both are Integer, String, or Buffer), and we can now perform the
+ * concatenation.
+ */
+
+ /*
+ * There are three cases to handle:
+ *
+ * 1) Two Integers concatenated to produce a new Buffer
+ * 2) Two Strings concatenated to produce a new String
+ * 3) Two Buffers concatenated to produce a new Buffer
+ */
+ switch (operand0->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ /* Result of two Integers is a Buffer */
+ /* Need enough buffer space for two integers */
+
+ return_desc = acpi_ut_create_buffer_object((acpi_size)
+ ACPI_MUL_2
+ (acpi_gbl_integer_byte_width));
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ new_buf = (char *)return_desc->buffer.pointer;
+
+ /* Copy the first integer, LSB first */
+
+ ACPI_MEMCPY(new_buf, &operand0->integer.value,
+ acpi_gbl_integer_byte_width);
+
+ /* Copy the second integer (LSB first) after the first */
+
+ ACPI_MEMCPY(new_buf + acpi_gbl_integer_byte_width,
+ &local_operand1->integer.value,
+ acpi_gbl_integer_byte_width);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ /* Result of two Strings is a String */
+
+ return_desc = acpi_ut_create_string_object(((acpi_size)
+ operand0->string.
+ length +
+ local_operand1->
+ string.length));
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ new_buf = return_desc->string.pointer;
+
+ /* Concatenate the strings */
+
+ ACPI_STRCPY(new_buf, operand0->string.pointer);
+ ACPI_STRCPY(new_buf + operand0->string.length,
+ local_operand1->string.pointer);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* Result of two Buffers is a Buffer */
+
+ return_desc = acpi_ut_create_buffer_object(((acpi_size)
+ operand0->buffer.
+ length +
+ local_operand1->
+ buffer.length));
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ new_buf = (char *)return_desc->buffer.pointer;
+
+ /* Concatenate the buffers */
+
+ ACPI_MEMCPY(new_buf, operand0->buffer.pointer,
+ operand0->buffer.length);
+ ACPI_MEMCPY(new_buf + operand0->buffer.length,
+ local_operand1->buffer.pointer,
+ local_operand1->buffer.length);
+ break;
+
+ default:
+
+ /* Invalid object type, should not happen here */
+
+ ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
+ operand0->common.type));
+ status = AE_AML_INTERNAL;
+ goto cleanup;
+ }
+
+ *actual_return_desc = return_desc;
+
+cleanup:
+ if (local_operand1 != operand1) {
+ acpi_ut_remove_reference(local_operand1);
+ }
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_math_op
+ *
+ * PARAMETERS: opcode - AML opcode
+ * integer0 - Integer operand #0
+ * integer1 - Integer operand #1
+ *
+ * RETURN: Integer result of the operation
+ *
+ * DESCRIPTION: Execute a math AML opcode. The purpose of having all of the
+ * math functions here is to prevent a lot of pointer dereferencing
+ * to obtain the operands.
+ *
+ ******************************************************************************/
+
+u64 acpi_ex_do_math_op(u16 opcode, u64 integer0, u64 integer1)
+{
+
+ ACPI_FUNCTION_ENTRY();
+
+ switch (opcode) {
+ case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */
+
+ return (integer0 + integer1);
+
+ case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */
+
+ return (integer0 & integer1);
+
+ case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */
+
+ return (~(integer0 & integer1));
+
+ case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */
+
+ return (integer0 | integer1);
+
+ case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */
+
+ return (~(integer0 | integer1));
+
+ case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */
+
+ return (integer0 ^ integer1);
+
+ case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */
+
+ return (integer0 * integer1);
+
+ case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */
+
+ /*
+ * We need to check if the shiftcount is larger than the integer bit
+ * width since the behavior of this is not well-defined in the C language.
+ */
+ if (integer1 >= acpi_gbl_integer_bit_width) {
+ return (0);
+ }
+ return (integer0 << integer1);
+
+ case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
+
+ /*
+ * We need to check if the shiftcount is larger than the integer bit
+ * width since the behavior of this is not well-defined in the C language.
+ */
+ if (integer1 >= acpi_gbl_integer_bit_width) {
+ return (0);
+ }
+ return (integer0 >> integer1);
+
+ case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
+
+ return (integer0 - integer1);
+
+ default:
+
+ return (0);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_logical_numeric_op
+ *
+ * PARAMETERS: opcode - AML opcode
+ * integer0 - Integer operand #0
+ * integer1 - Integer operand #1
+ * logical_result - TRUE/FALSE result of the operation
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute a logical "Numeric" AML opcode. For these Numeric
+ * operators (LAnd and LOr), both operands must be integers.
+ *
+ * Note: cleanest machine code seems to be produced by the code
+ * below, rather than using statements of the form:
+ * Result = (Integer0 && Integer1);
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_do_logical_numeric_op(u16 opcode,
+ u64 integer0, u64 integer1, u8 *logical_result)
+{
+ acpi_status status = AE_OK;
+ u8 local_result = FALSE;
+
+ ACPI_FUNCTION_TRACE(ex_do_logical_numeric_op);
+
+ switch (opcode) {
+ case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
+
+ if (integer0 && integer1) {
+ local_result = TRUE;
+ }
+ break;
+
+ case AML_LOR_OP: /* LOr (Integer0, Integer1) */
+
+ if (integer0 || integer1) {
+ local_result = TRUE;
+ }
+ break;
+
+ default:
+
+ status = AE_AML_INTERNAL;
+ break;
+ }
+
+ /* Return the logical result and status */
+
+ *logical_result = local_result;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_logical_op
+ *
+ * PARAMETERS: opcode - AML opcode
+ * operand0 - operand #0
+ * operand1 - operand #1
+ * logical_result - TRUE/FALSE result of the operation
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute a logical AML opcode. The purpose of having all of the
+ * functions here is to prevent a lot of pointer dereferencing
+ * to obtain the operands and to simplify the generation of the
+ * logical value. For the Numeric operators (LAnd and LOr), both
+ * operands must be integers. For the other logical operators,
+ * operands can be any combination of Integer/String/Buffer. The
+ * first operand determines the type to which the second operand
+ * will be converted.
+ *
+ * Note: cleanest machine code seems to be produced by the code
+ * below, rather than using statements of the form:
+ * Result = (Operand0 == Operand1);
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_do_logical_op(u16 opcode,
+ union acpi_operand_object *operand0,
+ union acpi_operand_object *operand1, u8 * logical_result)
+{
+ union acpi_operand_object *local_operand1 = operand1;
+ u64 integer0;
+ u64 integer1;
+ u32 length0;
+ u32 length1;
+ acpi_status status = AE_OK;
+ u8 local_result = FALSE;
+ int compare;
+
+ ACPI_FUNCTION_TRACE(ex_do_logical_op);
+
+ /*
+ * Convert the second operand if necessary. The first operand
+ * determines the type of the second operand, (See the Data Types
+ * section of the ACPI 3.0+ specification.) Both object types are
+ * guaranteed to be either Integer/String/Buffer by the operand
+ * resolution mechanism.
+ */
+ switch (operand0->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ status =
+ acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ status = acpi_ex_convert_to_string(operand1, &local_operand1,
+ ACPI_IMPLICIT_CONVERT_HEX);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
+ break;
+
+ default:
+
+ status = AE_AML_INTERNAL;
+ break;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * Two cases: 1) Both Integers, 2) Both Strings or Buffers
+ */
+ if (operand0->common.type == ACPI_TYPE_INTEGER) {
+ /*
+ * 1) Both operands are of type integer
+ * Note: local_operand1 may have changed above
+ */
+ integer0 = operand0->integer.value;
+ integer1 = local_operand1->integer.value;
+
+ switch (opcode) {
+ case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
+
+ if (integer0 == integer1) {
+ local_result = TRUE;
+ }
+ break;
+
+ case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
+
+ if (integer0 > integer1) {
+ local_result = TRUE;
+ }
+ break;
+
+ case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
+
+ if (integer0 < integer1) {
+ local_result = TRUE;
+ }
+ break;
+
+ default:
+
+ status = AE_AML_INTERNAL;
+ break;
+ }
+ } else {
+ /*
+ * 2) Both operands are Strings or both are Buffers
+ * Note: Code below takes advantage of common Buffer/String
+ * object fields. local_operand1 may have changed above. Use
+ * memcmp to handle nulls in buffers.
+ */
+ length0 = operand0->buffer.length;
+ length1 = local_operand1->buffer.length;
+
+ /* Lexicographic compare: compare the data bytes */
+
+ compare = ACPI_MEMCMP(operand0->buffer.pointer,
+ local_operand1->buffer.pointer,
+ (length0 > length1) ? length1 : length0);
+
+ switch (opcode) {
+ case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
+
+ /* Length and all bytes must be equal */
+
+ if ((length0 == length1) && (compare == 0)) {
+
+ /* Length and all bytes match ==> TRUE */
+
+ local_result = TRUE;
+ }
+ break;
+
+ case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
+
+ if (compare > 0) {
+ local_result = TRUE;
+ goto cleanup; /* TRUE */
+ }
+ if (compare < 0) {
+ goto cleanup; /* FALSE */
+ }
+
+ /* Bytes match (to shortest length), compare lengths */
+
+ if (length0 > length1) {
+ local_result = TRUE;
+ }
+ break;
+
+ case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
+
+ if (compare > 0) {
+ goto cleanup; /* FALSE */
+ }
+ if (compare < 0) {
+ local_result = TRUE;
+ goto cleanup; /* TRUE */
+ }
+
+ /* Bytes match (to shortest length), compare lengths */
+
+ if (length0 < length1) {
+ local_result = TRUE;
+ }
+ break;
+
+ default:
+
+ status = AE_AML_INTERNAL;
+ break;
+ }
+ }
+
+cleanup:
+
+ /* New object was created if implicit conversion performed - delete */
+
+ if (local_operand1 != operand1) {
+ acpi_ut_remove_reference(local_operand1);
+ }
+
+ /* Return the logical result and status */
+
+ *logical_result = local_result;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
new file mode 100644
index 00000000000..b49ea2a95f4
--- /dev/null
+++ b/drivers/acpi/acpica/exmutex.c
@@ -0,0 +1,502 @@
+/******************************************************************************
+ *
+ * Module Name: exmutex - ASL Mutex Acquire/Release functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exmutex")
+
+/* Local prototypes */
+static void
+acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
+ struct acpi_thread_state *thread);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_unlink_mutex
+ *
+ * PARAMETERS: obj_desc - The mutex to be unlinked
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list
+ *
+ ******************************************************************************/
+
+void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
+{
+ struct acpi_thread_state *thread = obj_desc->mutex.owner_thread;
+
+ if (!thread) {
+ return;
+ }
+
+ /* Doubly linked list */
+
+ if (obj_desc->mutex.next) {
+ (obj_desc->mutex.next)->mutex.prev = obj_desc->mutex.prev;
+ }
+
+ if (obj_desc->mutex.prev) {
+ (obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next;
+
+ /*
+ * Migrate the previous sync level associated with this mutex to
+ * the previous mutex on the list so that it may be preserved.
+ * This handles the case where several mutexes have been acquired
+ * at the same level, but are not released in opposite order.
+ */
+ (obj_desc->mutex.prev)->mutex.original_sync_level =
+ obj_desc->mutex.original_sync_level;
+ } else {
+ thread->acquired_mutex_list = obj_desc->mutex.next;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_link_mutex
+ *
+ * PARAMETERS: obj_desc - The mutex to be linked
+ * thread - Current executing thread object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
+ struct acpi_thread_state *thread)
+{
+ union acpi_operand_object *list_head;
+
+ list_head = thread->acquired_mutex_list;
+
+ /* This object will be the first object in the list */
+
+ obj_desc->mutex.prev = NULL;
+ obj_desc->mutex.next = list_head;
+
+ /* Update old first object to point back to this object */
+
+ if (list_head) {
+ list_head->mutex.prev = obj_desc;
+ }
+
+ /* Update list head */
+
+ thread->acquired_mutex_list = obj_desc;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_acquire_mutex_object
+ *
+ * PARAMETERS: timeout - Timeout in milliseconds
+ * obj_desc - Mutex object
+ * thread_id - Current thread state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire an AML mutex, low-level interface. Provides a common
+ * path that supports multiple acquires by the same thread.
+ *
+ * MUTEX: Interpreter must be locked
+ *
+ * NOTE: This interface is called from three places:
+ * 1) From acpi_ex_acquire_mutex, via an AML Acquire() operator
+ * 2) From acpi_ex_acquire_global_lock when an AML Field access requires the
+ * global lock
+ * 3) From the external interface, acpi_acquire_global_lock
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_acquire_mutex_object(u16 timeout,
+ union acpi_operand_object *obj_desc,
+ acpi_thread_id thread_id)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex_object, obj_desc);
+
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Support for multiple acquires by the owning thread */
+
+ if (obj_desc->mutex.thread_id == thread_id) {
+ /*
+ * The mutex is already owned by this thread, just increment the
+ * acquisition depth
+ */
+ obj_desc->mutex.acquisition_depth++;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Acquire the mutex, wait if necessary. Special case for Global Lock */
+
+ if (obj_desc == acpi_gbl_global_lock_mutex) {
+ status = acpi_ev_acquire_global_lock(timeout);
+ } else {
+ status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex,
+ timeout);
+ }
+
+ if (ACPI_FAILURE(status)) {
+
+ /* Includes failure from a timeout on time_desc */
+
+ return_ACPI_STATUS(status);
+ }
+
+ /* Acquired the mutex: update mutex object */
+
+ obj_desc->mutex.thread_id = thread_id;
+ obj_desc->mutex.acquisition_depth = 1;
+ obj_desc->mutex.original_sync_level = 0;
+ obj_desc->mutex.owner_thread = NULL; /* Used only for AML Acquire() */
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_acquire_mutex
+ *
+ * PARAMETERS: time_desc - Timeout integer
+ * obj_desc - Mutex object
+ * walk_state - Current method execution state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire an AML mutex
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc);
+
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Must have a valid thread state struct */
+
+ if (!walk_state->thread) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot acquire Mutex [%4.4s], null thread info",
+ acpi_ut_get_node_name(obj_desc->mutex.node)));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /*
+ * Current sync level must be less than or equal to the sync level of the
+ * mutex. This mechanism provides some deadlock prevention
+ */
+ if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%u)",
+ acpi_ut_get_node_name(obj_desc->mutex.node),
+ walk_state->thread->current_sync_level));
+ return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
+ }
+
+ status = acpi_ex_acquire_mutex_object((u16) time_desc->integer.value,
+ obj_desc,
+ walk_state->thread->thread_id);
+ if (ACPI_SUCCESS(status) && obj_desc->mutex.acquisition_depth == 1) {
+
+ /* Save Thread object, original/current sync levels */
+
+ obj_desc->mutex.owner_thread = walk_state->thread;
+ obj_desc->mutex.original_sync_level =
+ walk_state->thread->current_sync_level;
+ walk_state->thread->current_sync_level =
+ obj_desc->mutex.sync_level;
+
+ /* Link the mutex to the current thread for force-unlock at method exit */
+
+ acpi_ex_link_mutex(obj_desc, walk_state->thread);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_release_mutex_object
+ *
+ * PARAMETERS: obj_desc - The object descriptor for this op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release a previously acquired Mutex, low level interface.
+ * Provides a common path that supports multiple releases (after
+ * previous multiple acquires) by the same thread.
+ *
+ * MUTEX: Interpreter must be locked
+ *
+ * NOTE: This interface is called from three places:
+ * 1) From acpi_ex_release_mutex, via an AML Acquire() operator
+ * 2) From acpi_ex_release_global_lock when an AML Field access requires the
+ * global lock
+ * 3) From the external interface, acpi_release_global_lock
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_release_mutex_object);
+
+ if (obj_desc->mutex.acquisition_depth == 0) {
+ return_ACPI_STATUS(AE_NOT_ACQUIRED);
+ }
+
+ /* Match multiple Acquires with multiple Releases */
+
+ obj_desc->mutex.acquisition_depth--;
+ if (obj_desc->mutex.acquisition_depth != 0) {
+
+ /* Just decrement the depth and return */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (obj_desc->mutex.owner_thread) {
+
+ /* Unlink the mutex from the owner's list */
+
+ acpi_ex_unlink_mutex(obj_desc);
+ obj_desc->mutex.owner_thread = NULL;
+ }
+
+ /* Release the mutex, special case for Global Lock */
+
+ if (obj_desc == acpi_gbl_global_lock_mutex) {
+ status = acpi_ev_release_global_lock();
+ } else {
+ acpi_os_release_mutex(obj_desc->mutex.os_mutex);
+ }
+
+ /* Clear mutex info */
+
+ obj_desc->mutex.thread_id = 0;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_release_mutex
+ *
+ * PARAMETERS: obj_desc - The object descriptor for this op
+ * walk_state - Current method execution state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release a previously acquired Mutex.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ u8 previous_sync_level;
+ struct acpi_thread_state *owner_thread;
+
+ ACPI_FUNCTION_TRACE(ex_release_mutex);
+
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ owner_thread = obj_desc->mutex.owner_thread;
+
+ /* The mutex must have been previously acquired in order to release it */
+
+ if (!owner_thread) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot release Mutex [%4.4s], not acquired",
+ acpi_ut_get_node_name(obj_desc->mutex.node)));
+ return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
+ }
+
+ /* Must have a valid thread ID */
+
+ if (!walk_state->thread) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot release Mutex [%4.4s], null thread info",
+ acpi_ut_get_node_name(obj_desc->mutex.node)));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /*
+ * The Mutex is owned, but this thread must be the owner.
+ * Special case for Global Lock, any thread can release
+ */
+ if ((owner_thread->thread_id != walk_state->thread->thread_id) &&
+ (obj_desc != acpi_gbl_global_lock_mutex)) {
+ ACPI_ERROR((AE_INFO,
+ "Thread %u cannot release Mutex [%4.4s] acquired by thread %u",
+ (u32)walk_state->thread->thread_id,
+ acpi_ut_get_node_name(obj_desc->mutex.node),
+ (u32)owner_thread->thread_id));
+ return_ACPI_STATUS(AE_AML_NOT_OWNER);
+ }
+
+ /*
+ * The sync level of the mutex must be equal to the current sync level. In
+ * other words, the current level means that at least one mutex at that
+ * level is currently being held. Attempting to release a mutex of a
+ * different level can only mean that the mutex ordering rule is being
+ * violated. This behavior is clarified in ACPI 4.0 specification.
+ */
+ if (obj_desc->mutex.sync_level != owner_thread->current_sync_level) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %u current %u",
+ acpi_ut_get_node_name(obj_desc->mutex.node),
+ obj_desc->mutex.sync_level,
+ walk_state->thread->current_sync_level));
+ return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
+ }
+
+ /*
+ * Get the previous sync_level from the head of the acquired mutex list.
+ * This handles the case where several mutexes at the same level have been
+ * acquired, but are not released in reverse order.
+ */
+ previous_sync_level =
+ owner_thread->acquired_mutex_list->mutex.original_sync_level;
+
+ status = acpi_ex_release_mutex_object(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (obj_desc->mutex.acquisition_depth == 0) {
+
+ /* Restore the previous sync_level */
+
+ owner_thread->current_sync_level = previous_sync_level;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_release_all_mutexes
+ *
+ * PARAMETERS: thread - Current executing thread object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release all mutexes held by this thread
+ *
+ * NOTE: This function is called as the thread is exiting the interpreter.
+ * Mutexes are not released when an individual control method is exited, but
+ * only when the parent thread actually exits the interpreter. This allows one
+ * method to acquire a mutex, and a different method to release it, as long as
+ * this is performed underneath a single parent control method.
+ *
+ ******************************************************************************/
+
+void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
+{
+ union acpi_operand_object *next = thread->acquired_mutex_list;
+ union acpi_operand_object *obj_desc;
+
+ ACPI_FUNCTION_NAME(ex_release_all_mutexes);
+
+ /* Traverse the list of owned mutexes, releasing each one */
+
+ while (next) {
+ obj_desc = next;
+ next = obj_desc->mutex.next;
+
+ obj_desc->mutex.prev = NULL;
+ obj_desc->mutex.next = NULL;
+ obj_desc->mutex.acquisition_depth = 0;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Force-releasing held mutex: %p\n",
+ obj_desc));
+
+ /* Release the mutex, special case for Global Lock */
+
+ if (obj_desc == acpi_gbl_global_lock_mutex) {
+
+ /* Ignore errors */
+
+ (void)acpi_ev_release_global_lock();
+ } else {
+ acpi_os_release_mutex(obj_desc->mutex.os_mutex);
+ }
+
+ /* Mark mutex unowned */
+
+ obj_desc->mutex.owner_thread = NULL;
+ obj_desc->mutex.thread_id = 0;
+
+ /* Update Thread sync_level (Last mutex is the important one) */
+
+ thread->current_sync_level =
+ obj_desc->mutex.original_sync_level;
+ }
+}
diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c
new file mode 100644
index 00000000000..dbb03b544e8
--- /dev/null
+++ b/drivers/acpi/acpica/exnames.c
@@ -0,0 +1,435 @@
+/******************************************************************************
+ *
+ * Module Name: exnames - interpreter/scanner name load/execute
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exnames")
+
+/* Local prototypes */
+static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs);
+
+static acpi_status acpi_ex_name_segment(u8 **in_aml_address, char *name_string);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_allocate_name_string
+ *
+ * PARAMETERS: prefix_count - Count of parent levels. Special cases:
+ * (-1)==root, 0==none
+ * num_name_segs - count of 4-character name segments
+ *
+ * RETURN: A pointer to the allocated string segment. This segment must
+ * be deleted by the caller.
+ *
+ * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name
+ * string is long enough, and set up prefix if any.
+ *
+ ******************************************************************************/
+
+static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
+{
+ char *temp_ptr;
+ char *name_string;
+ u32 size_needed;
+
+ ACPI_FUNCTION_TRACE(ex_allocate_name_string);
+
+ /*
+ * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
+ * Also, one byte for the null terminator.
+ * This may actually be somewhat longer than needed.
+ */
+ if (prefix_count == ACPI_UINT32_MAX) {
+
+ /* Special case for root */
+
+ size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
+ } else {
+ size_needed =
+ prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
+ }
+
+ /*
+ * Allocate a buffer for the name.
+ * This buffer must be deleted by the caller!
+ */
+ name_string = ACPI_ALLOCATE(size_needed);
+ if (!name_string) {
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate size %u", size_needed));
+ return_PTR(NULL);
+ }
+
+ temp_ptr = name_string;
+
+ /* Set up Root or Parent prefixes if needed */
+
+ if (prefix_count == ACPI_UINT32_MAX) {
+ *temp_ptr++ = AML_ROOT_PREFIX;
+ } else {
+ while (prefix_count--) {
+ *temp_ptr++ = AML_PARENT_PREFIX;
+ }
+ }
+
+ /* Set up Dual or Multi prefixes if needed */
+
+ if (num_name_segs > 2) {
+
+ /* Set up multi prefixes */
+
+ *temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
+ *temp_ptr++ = (char)num_name_segs;
+ } else if (2 == num_name_segs) {
+
+ /* Set up dual prefixes */
+
+ *temp_ptr++ = AML_DUAL_NAME_PREFIX;
+ }
+
+ /*
+ * Terminate string following prefixes. acpi_ex_name_segment() will
+ * append the segment(s)
+ */
+ *temp_ptr = 0;
+
+ return_PTR(name_string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_name_segment
+ *
+ * PARAMETERS: in_aml_address - Pointer to the name in the AML code
+ * name_string - Where to return the name. The name is appended
+ * to any existing string to form a namepath
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
+{
+ char *aml_address = (void *)*in_aml_address;
+ acpi_status status = AE_OK;
+ u32 index;
+ char char_buf[5];
+
+ ACPI_FUNCTION_TRACE(ex_name_segment);
+
+ /*
+ * If first character is a digit, then we know that we aren't looking at a
+ * valid name segment
+ */
+ char_buf[0] = *aml_address;
+
+ if ('0' <= char_buf[0] && char_buf[0] <= '9') {
+ ACPI_ERROR((AE_INFO, "Invalid leading digit: %c", char_buf[0]));
+ return_ACPI_STATUS(AE_CTRL_PENDING);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n"));
+
+ for (index = 0;
+ (index < ACPI_NAME_SIZE)
+ && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
+ char_buf[index] = *aml_address++;
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
+ }
+
+ /* Valid name segment */
+
+ if (index == 4) {
+
+ /* Found 4 valid characters */
+
+ char_buf[4] = '\0';
+
+ if (name_string) {
+ ACPI_STRCAT(name_string, char_buf);
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "Appended to - %s\n", name_string));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "No Name string - %s\n", char_buf));
+ }
+ } else if (index == 0) {
+ /*
+ * First character was not a valid name character,
+ * so we are looking at something other than a name.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Leading character is not alpha: %02Xh (not a name)\n",
+ char_buf[0]));
+ status = AE_CTRL_PENDING;
+ } else {
+ /*
+ * Segment started with one or more valid characters, but fewer than
+ * the required 4
+ */
+ status = AE_AML_BAD_NAME;
+ ACPI_ERROR((AE_INFO,
+ "Bad character 0x%02x in name, at %p",
+ *aml_address, aml_address));
+ }
+
+ *in_aml_address = ACPI_CAST_PTR(u8, aml_address);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_get_name_string
+ *
+ * PARAMETERS: data_type - Object type to be associated with this
+ * name
+ * in_aml_address - Pointer to the namestring in the AML code
+ * out_name_string - Where the namestring is returned
+ * out_name_length - Length of the returned string
+ *
+ * RETURN: Status, namestring and length
+ *
+ * DESCRIPTION: Extract a full namepath from the AML byte stream,
+ * including any prefixes.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_get_name_string(acpi_object_type data_type,
+ u8 * in_aml_address,
+ char **out_name_string, u32 * out_name_length)
+{
+ acpi_status status = AE_OK;
+ u8 *aml_address = in_aml_address;
+ char *name_string = NULL;
+ u32 num_segments;
+ u32 prefix_count = 0;
+ u8 has_prefix = FALSE;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address);
+
+ if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
+ ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
+ ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
+
+ /* Disallow prefixes for types associated with field_unit names */
+
+ name_string = acpi_ex_allocate_name_string(0, 1);
+ if (!name_string) {
+ status = AE_NO_MEMORY;
+ } else {
+ status =
+ acpi_ex_name_segment(&aml_address, name_string);
+ }
+ } else {
+ /*
+ * data_type is not a field name.
+ * Examine first character of name for root or parent prefix operators
+ */
+ switch (*aml_address) {
+ case AML_ROOT_PREFIX:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "RootPrefix(\\) at %p\n",
+ aml_address));
+
+ /*
+ * Remember that we have a root_prefix --
+ * see comment in acpi_ex_allocate_name_string()
+ */
+ aml_address++;
+ prefix_count = ACPI_UINT32_MAX;
+ has_prefix = TRUE;
+ break;
+
+ case AML_PARENT_PREFIX:
+
+ /* Increment past possibly multiple parent prefixes */
+
+ do {
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "ParentPrefix (^) at %p\n",
+ aml_address));
+
+ aml_address++;
+ prefix_count++;
+
+ } while (*aml_address == AML_PARENT_PREFIX);
+
+ has_prefix = TRUE;
+ break;
+
+ default:
+
+ /* Not a prefix character */
+
+ break;
+ }
+
+ /* Examine first character of name for name segment prefix operator */
+
+ switch (*aml_address) {
+ case AML_DUAL_NAME_PREFIX:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "DualNamePrefix at %p\n",
+ aml_address));
+
+ aml_address++;
+ name_string =
+ acpi_ex_allocate_name_string(prefix_count, 2);
+ if (!name_string) {
+ status = AE_NO_MEMORY;
+ break;
+ }
+
+ /* Indicate that we processed a prefix */
+
+ has_prefix = TRUE;
+
+ status =
+ acpi_ex_name_segment(&aml_address, name_string);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_name_segment(&aml_address,
+ name_string);
+ }
+ break;
+
+ case AML_MULTI_NAME_PREFIX_OP:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
+ "MultiNamePrefix at %p\n",
+ aml_address));
+
+ /* Fetch count of segments remaining in name path */
+
+ aml_address++;
+ num_segments = *aml_address;
+
+ name_string =
+ acpi_ex_allocate_name_string(prefix_count,
+ num_segments);
+ if (!name_string) {
+ status = AE_NO_MEMORY;
+ break;
+ }
+
+ /* Indicate that we processed a prefix */
+
+ aml_address++;
+ has_prefix = TRUE;
+
+ while (num_segments &&
+ (status =
+ acpi_ex_name_segment(&aml_address,
+ name_string)) == AE_OK) {
+ num_segments--;
+ }
+
+ break;
+
+ case 0:
+
+ /* null_name valid as of 8-12-98 ASL/AML Grammar Update */
+
+ if (prefix_count == ACPI_UINT32_MAX) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "NameSeg is \"\\\" followed by NULL\n"));
+ }
+
+ /* Consume the NULL byte */
+
+ aml_address++;
+ name_string =
+ acpi_ex_allocate_name_string(prefix_count, 0);
+ if (!name_string) {
+ status = AE_NO_MEMORY;
+ break;
+ }
+
+ break;
+
+ default:
+
+ /* Name segment string */
+
+ name_string =
+ acpi_ex_allocate_name_string(prefix_count, 1);
+ if (!name_string) {
+ status = AE_NO_MEMORY;
+ break;
+ }
+
+ status =
+ acpi_ex_name_segment(&aml_address, name_string);
+ break;
+ }
+ }
+
+ if (AE_CTRL_PENDING == status && has_prefix) {
+
+ /* Ran out of segments after processing a prefix */
+
+ ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string));
+ status = AE_AML_BAD_NAME;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ if (name_string) {
+ ACPI_FREE(name_string);
+ }
+ return_ACPI_STATUS(status);
+ }
+
+ *out_name_string = name_string;
+ *out_name_length = (u32) (aml_address - in_aml_address);
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
new file mode 100644
index 00000000000..1b8e9410440
--- /dev/null
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -0,0 +1,1072 @@
+/******************************************************************************
+ *
+ * Module Name: exoparg1 - AML execution - opcodes with 1 argument
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exoparg1")
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ * AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS: The number of arguments (input operands) that are
+ * required for this opcode type (0 through 6 args).
+ * yT - TARGETS: The number of targets (output operands) that are required
+ * for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ * as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_0A_0T_1R
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute operator with no operands, one return value
+ *
+ ******************************************************************************/
+acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *return_desc = NULL;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_0A_0T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the AML opcode */
+
+ switch (walk_state->opcode) {
+ case AML_TIMER_OP: /* Timer () */
+
+ /* Create a return object of type Integer */
+
+ return_desc =
+ acpi_ut_create_integer_object(acpi_os_get_timer());
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ break;
+
+ default: /* Unknown opcode */
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ break;
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if ((ACPI_FAILURE(status)) || walk_state->result_obj) {
+ acpi_ut_remove_reference(return_desc);
+ walk_state->result_obj = NULL;
+ } else {
+ /* Save the return value */
+
+ walk_state->result_obj = return_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_1A_0T_0R
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute Type 1 monadic operator with numeric operand on
+ * object stack
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_0R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the AML opcode */
+
+ switch (walk_state->opcode) {
+ case AML_RELEASE_OP: /* Release (mutex_object) */
+
+ status = acpi_ex_release_mutex(operand[0], walk_state);
+ break;
+
+ case AML_RESET_OP: /* Reset (event_object) */
+
+ status = acpi_ex_system_reset_event(operand[0]);
+ break;
+
+ case AML_SIGNAL_OP: /* Signal (event_object) */
+
+ status = acpi_ex_system_signal_event(operand[0]);
+ break;
+
+ case AML_SLEEP_OP: /* Sleep (msec_time) */
+
+ status = acpi_ex_system_do_sleep(operand[0]->integer.value);
+ break;
+
+ case AML_STALL_OP: /* Stall (usec_time) */
+
+ status =
+ acpi_ex_system_do_stall((u32) operand[0]->integer.value);
+ break;
+
+ case AML_UNLOAD_OP: /* Unload (Handle) */
+
+ status = acpi_ex_unload_table(operand[0]);
+ break;
+
+ default: /* Unknown opcode */
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_1A_1T_0R
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, one target, and no
+ * return value.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_0R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the AML opcode */
+
+ switch (walk_state->opcode) {
+ case AML_LOAD_OP:
+
+ status = acpi_ex_load_op(operand[0], operand[1], walk_state);
+ break;
+
+ default: /* Unknown opcode */
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+cleanup:
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_1A_1T_1R
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, one target, and a
+ * return value.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ union acpi_operand_object *return_desc2 = NULL;
+ u32 temp32;
+ u32 i;
+ u64 power_of_ten;
+ u64 digit;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the AML opcode */
+
+ switch (walk_state->opcode) {
+ case AML_BIT_NOT_OP:
+ case AML_FIND_SET_LEFT_BIT_OP:
+ case AML_FIND_SET_RIGHT_BIT_OP:
+ case AML_FROM_BCD_OP:
+ case AML_TO_BCD_OP:
+ case AML_COND_REF_OF_OP:
+
+ /* Create a return object of type Integer for these opcodes */
+
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ switch (walk_state->opcode) {
+ case AML_BIT_NOT_OP: /* Not (Operand, Result) */
+
+ return_desc->integer.value = ~operand[0]->integer.value;
+ break;
+
+ case AML_FIND_SET_LEFT_BIT_OP: /* find_set_left_bit (Operand, Result) */
+
+ return_desc->integer.value = operand[0]->integer.value;
+
+ /*
+ * Acpi specification describes Integer type as a little
+ * endian unsigned value, so this boundary condition is valid.
+ */
+ for (temp32 = 0; return_desc->integer.value &&
+ temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
+ return_desc->integer.value >>= 1;
+ }
+
+ return_desc->integer.value = temp32;
+ break;
+
+ case AML_FIND_SET_RIGHT_BIT_OP: /* find_set_right_bit (Operand, Result) */
+
+ return_desc->integer.value = operand[0]->integer.value;
+
+ /*
+ * The Acpi specification describes Integer type as a little
+ * endian unsigned value, so this boundary condition is valid.
+ */
+ for (temp32 = 0; return_desc->integer.value &&
+ temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
+ return_desc->integer.value <<= 1;
+ }
+
+ /* Since the bit position is one-based, subtract from 33 (65) */
+
+ return_desc->integer.value =
+ temp32 ==
+ 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
+ break;
+
+ case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
+ /*
+ * The 64-bit ACPI integer can hold 16 4-bit BCD characters
+ * (if table is 32-bit, integer can hold 8 BCD characters)
+ * Convert each 4-bit BCD value
+ */
+ power_of_ten = 1;
+ return_desc->integer.value = 0;
+ digit = operand[0]->integer.value;
+
+ /* Convert each BCD digit (each is one nybble wide) */
+
+ for (i = 0;
+ (i < acpi_gbl_integer_nybble_width) && (digit > 0);
+ i++) {
+
+ /* Get the least significant 4-bit BCD digit */
+
+ temp32 = ((u32) digit) & 0xF;
+
+ /* Check the range of the digit */
+
+ if (temp32 > 9) {
+ ACPI_ERROR((AE_INFO,
+ "BCD digit too large (not decimal): 0x%X",
+ temp32));
+
+ status = AE_AML_NUMERIC_OVERFLOW;
+ goto cleanup;
+ }
+
+ /* Sum the digit into the result with the current power of 10 */
+
+ return_desc->integer.value +=
+ (((u64) temp32) * power_of_ten);
+
+ /* Shift to next BCD digit */
+
+ digit >>= 4;
+
+ /* Next power of 10 */
+
+ power_of_ten *= 10;
+ }
+ break;
+
+ case AML_TO_BCD_OP: /* to_bcd (Operand, Result) */
+
+ return_desc->integer.value = 0;
+ digit = operand[0]->integer.value;
+
+ /* Each BCD digit is one nybble wide */
+
+ for (i = 0;
+ (i < acpi_gbl_integer_nybble_width) && (digit > 0);
+ i++) {
+ (void)acpi_ut_short_divide(digit, 10, &digit,
+ &temp32);
+
+ /*
+ * Insert the BCD digit that resides in the
+ * remainder from above
+ */
+ return_desc->integer.value |=
+ (((u64) temp32) << ACPI_MUL_4(i));
+ }
+
+ /* Overflow if there is any data left in Digit */
+
+ if (digit > 0) {
+ ACPI_ERROR((AE_INFO,
+ "Integer too large to convert to BCD: 0x%8.8X%8.8X",
+ ACPI_FORMAT_UINT64(operand[0]->
+ integer.value)));
+ status = AE_AML_NUMERIC_OVERFLOW;
+ goto cleanup;
+ }
+ break;
+
+ case AML_COND_REF_OF_OP: /* cond_ref_of (source_object, Result) */
+ /*
+ * This op is a little strange because the internal return value is
+ * different than the return value stored in the result descriptor
+ * (There are really two return values)
+ */
+ if ((struct acpi_namespace_node *)operand[0] ==
+ acpi_gbl_root_node) {
+ /*
+ * This means that the object does not exist in the namespace,
+ * return FALSE
+ */
+ return_desc->integer.value = 0;
+ goto cleanup;
+ }
+
+ /* Get the object reference, store it, and remove our reference */
+
+ status = acpi_ex_get_object_reference(operand[0],
+ &return_desc2,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ status =
+ acpi_ex_store(return_desc2, operand[1], walk_state);
+ acpi_ut_remove_reference(return_desc2);
+
+ /* The object exists in the namespace, return TRUE */
+
+ return_desc->integer.value = ACPI_UINT64_MAX;
+ goto cleanup;
+
+ default:
+
+ /* No other opcodes get here */
+
+ break;
+ }
+ break;
+
+ case AML_STORE_OP: /* Store (Source, Target) */
+ /*
+ * A store operand is typically a number, string, buffer or lvalue
+ * Be careful about deleting the source object,
+ * since the object itself may have been stored.
+ */
+ status = acpi_ex_store(operand[0], operand[1], walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* It is possible that the Store already produced a return object */
+
+ if (!walk_state->result_obj) {
+ /*
+ * Normally, we would remove a reference on the Operand[0]
+ * parameter; But since it is being used as the internal return
+ * object (meaning we would normally increment it), the two
+ * cancel out, and we simply don't do anything.
+ */
+ walk_state->result_obj = operand[0];
+ walk_state->operands[0] = NULL; /* Prevent deletion */
+ }
+ return_ACPI_STATUS(status);
+
+ /*
+ * ACPI 2.0 Opcodes
+ */
+ case AML_COPY_OP: /* Copy (Source, Target) */
+
+ status =
+ acpi_ut_copy_iobject_to_iobject(operand[0], &return_desc,
+ walk_state);
+ break;
+
+ case AML_TO_DECSTRING_OP: /* to_decimal_string (Data, Result) */
+
+ status = acpi_ex_convert_to_string(operand[0], &return_desc,
+ ACPI_EXPLICIT_CONVERT_DECIMAL);
+ if (return_desc == operand[0]) {
+
+ /* No conversion performed, add ref to handle return value */
+ acpi_ut_add_reference(return_desc);
+ }
+ break;
+
+ case AML_TO_HEXSTRING_OP: /* to_hex_string (Data, Result) */
+
+ status = acpi_ex_convert_to_string(operand[0], &return_desc,
+ ACPI_EXPLICIT_CONVERT_HEX);
+ if (return_desc == operand[0]) {
+
+ /* No conversion performed, add ref to handle return value */
+ acpi_ut_add_reference(return_desc);
+ }
+ break;
+
+ case AML_TO_BUFFER_OP: /* to_buffer (Data, Result) */
+
+ status = acpi_ex_convert_to_buffer(operand[0], &return_desc);
+ if (return_desc == operand[0]) {
+
+ /* No conversion performed, add ref to handle return value */
+ acpi_ut_add_reference(return_desc);
+ }
+ break;
+
+ case AML_TO_INTEGER_OP: /* to_integer (Data, Result) */
+
+ status = acpi_ex_convert_to_integer(operand[0], &return_desc,
+ ACPI_ANY_BASE);
+ if (return_desc == operand[0]) {
+
+ /* No conversion performed, add ref to handle return value */
+ acpi_ut_add_reference(return_desc);
+ }
+ break;
+
+ case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */
+ case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */
+
+ /* These are two obsolete opcodes */
+
+ ACPI_ERROR((AE_INFO,
+ "%s is obsolete and not implemented",
+ acpi_ps_get_opcode_name(walk_state->opcode)));
+ status = AE_SUPPORT;
+ goto cleanup;
+
+ default: /* Unknown opcode */
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+ if (ACPI_SUCCESS(status)) {
+
+ /* Store the return value computed above into the target object */
+
+ status = acpi_ex_store(return_desc, operand[1], walk_state);
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ }
+
+ /* Save return object on success */
+
+ else if (!walk_state->result_obj) {
+ walk_state->result_obj = return_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_1A_0T_1R
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, no target, and a return value
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *temp_desc;
+ union acpi_operand_object *return_desc = NULL;
+ acpi_status status = AE_OK;
+ u32 type;
+ u64 value;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the AML opcode */
+
+ switch (walk_state->opcode) {
+ case AML_LNOT_OP: /* LNot (Operand) */
+
+ return_desc = acpi_ut_create_integer_object((u64) 0);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Set result to ONES (TRUE) if Value == 0. Note:
+ * return_desc->Integer.Value is initially == 0 (FALSE) from above.
+ */
+ if (!operand[0]->integer.value) {
+ return_desc->integer.value = ACPI_UINT64_MAX;
+ }
+ break;
+
+ case AML_DECREMENT_OP: /* Decrement (Operand) */
+ case AML_INCREMENT_OP: /* Increment (Operand) */
+ /*
+ * Create a new integer. Can't just get the base integer and
+ * increment it because it may be an Arg or Field.
+ */
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Since we are expecting a Reference operand, it can be either a
+ * NS Node or an internal object.
+ */
+ temp_desc = operand[0];
+ if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) ==
+ ACPI_DESC_TYPE_OPERAND) {
+
+ /* Internal reference object - prevent deletion */
+
+ acpi_ut_add_reference(temp_desc);
+ }
+
+ /*
+ * Convert the Reference operand to an Integer (This removes a
+ * reference on the Operand[0] object)
+ *
+ * NOTE: We use LNOT_OP here in order to force resolution of the
+ * reference operand to an actual integer.
+ */
+ status =
+ acpi_ex_resolve_operands(AML_LNOT_OP, &temp_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While resolving operands for [%s]",
+ acpi_ps_get_opcode_name(walk_state->
+ opcode)));
+
+ goto cleanup;
+ }
+
+ /*
+ * temp_desc is now guaranteed to be an Integer object --
+ * Perform the actual increment or decrement
+ */
+ if (walk_state->opcode == AML_INCREMENT_OP) {
+ return_desc->integer.value =
+ temp_desc->integer.value + 1;
+ } else {
+ return_desc->integer.value =
+ temp_desc->integer.value - 1;
+ }
+
+ /* Finished with this Integer object */
+
+ acpi_ut_remove_reference(temp_desc);
+
+ /*
+ * Store the result back (indirectly) through the original
+ * Reference object
+ */
+ status = acpi_ex_store(return_desc, operand[0], walk_state);
+ break;
+
+ case AML_TYPE_OP: /* object_type (source_object) */
+ /*
+ * Note: The operand is not resolved at this point because we want to
+ * get the associated object, not its value. For example, we don't
+ * want to resolve a field_unit to its value, we want the actual
+ * field_unit object.
+ */
+
+ /* Get the type of the base object */
+
+ status =
+ acpi_ex_resolve_multiple(walk_state, operand[0], &type,
+ NULL);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /* Allocate a descriptor to hold the type. */
+
+ return_desc = acpi_ut_create_integer_object((u64) type);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ break;
+
+ case AML_SIZE_OF_OP: /* size_of (source_object) */
+ /*
+ * Note: The operand is not resolved at this point because we want to
+ * get the associated object, not its value.
+ */
+
+ /* Get the base object */
+
+ status = acpi_ex_resolve_multiple(walk_state,
+ operand[0], &type,
+ &temp_desc);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * The type of the base object must be integer, buffer, string, or
+ * package. All others are not supported.
+ *
+ * NOTE: Integer is not specifically supported by the ACPI spec,
+ * but is supported implicitly via implicit operand conversion.
+ * rather than bother with conversion, we just use the byte width
+ * global (4 or 8 bytes).
+ */
+ switch (type) {
+ case ACPI_TYPE_INTEGER:
+
+ value = acpi_gbl_integer_byte_width;
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ value = temp_desc->string.length;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* Buffer arguments may not be evaluated at this point */
+
+ status = acpi_ds_get_buffer_arguments(temp_desc);
+ value = temp_desc->buffer.length;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ /* Package arguments may not be evaluated at this point */
+
+ status = acpi_ds_get_package_arguments(temp_desc);
+ value = temp_desc->package.count;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Operand must be Buffer/Integer/String/Package - found type %s",
+ acpi_ut_get_type_name(type)));
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * Now that we have the size of the object, create a result
+ * object to hold the value
+ */
+ return_desc = acpi_ut_create_integer_object(value);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ break;
+
+ case AML_REF_OF_OP: /* ref_of (source_object) */
+
+ status =
+ acpi_ex_get_object_reference(operand[0], &return_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ break;
+
+ case AML_DEREF_OF_OP: /* deref_of (obj_reference | String) */
+
+ /* Check for a method local or argument, or standalone String */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) ==
+ ACPI_DESC_TYPE_NAMED) {
+ temp_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node *)
+ operand[0]);
+ if (temp_desc
+ && ((temp_desc->common.type == ACPI_TYPE_STRING)
+ || (temp_desc->common.type ==
+ ACPI_TYPE_LOCAL_REFERENCE))) {
+ operand[0] = temp_desc;
+ acpi_ut_add_reference(temp_desc);
+ } else {
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+ } else {
+ switch ((operand[0])->common.type) {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ /*
+ * This is a deref_of (local_x | arg_x)
+ *
+ * Must resolve/dereference the local/arg reference first
+ */
+ switch (operand[0]->reference.class) {
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_ARG:
+
+ /* Set Operand[0] to the value of the local/arg */
+
+ status =
+ acpi_ds_method_data_get_value
+ (operand[0]->reference.class,
+ operand[0]->reference.value,
+ walk_state, &temp_desc);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /*
+ * Delete our reference to the input object and
+ * point to the object just retrieved
+ */
+ acpi_ut_remove_reference(operand[0]);
+ operand[0] = temp_desc;
+ break;
+
+ case ACPI_REFCLASS_REFOF:
+
+ /* Get the object to which the reference refers */
+
+ temp_desc =
+ operand[0]->reference.object;
+ acpi_ut_remove_reference(operand[0]);
+ operand[0] = temp_desc;
+ break;
+
+ default:
+
+ /* Must be an Index op - handled below */
+ break;
+ }
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ break;
+
+ default:
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) !=
+ ACPI_DESC_TYPE_NAMED) {
+ if ((operand[0])->common.type == ACPI_TYPE_STRING) {
+ /*
+ * This is a deref_of (String). The string is a reference
+ * to a named ACPI object.
+ *
+ * 1) Find the owning Node
+ * 2) Dereference the node to an actual object. Could be a
+ * Field, so we need to resolve the node to a value.
+ */
+ status =
+ acpi_ns_get_node(walk_state->scope_info->
+ scope.node,
+ operand[0]->string.pointer,
+ ACPI_NS_SEARCH_PARENT,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &return_desc));
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ status =
+ acpi_ex_resolve_node_to_value
+ (ACPI_CAST_INDIRECT_PTR
+ (struct acpi_namespace_node, &return_desc),
+ walk_state);
+ goto cleanup;
+ }
+ }
+
+ /* Operand[0] may have changed from the code above */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) ==
+ ACPI_DESC_TYPE_NAMED) {
+ /*
+ * This is a deref_of (object_reference)
+ * Get the actual object from the Node (This is the dereference).
+ * This case may only happen when a local_x or arg_x is
+ * dereferenced above.
+ */
+ return_desc = acpi_ns_get_attached_object((struct
+ acpi_namespace_node
+ *)
+ operand[0]);
+ acpi_ut_add_reference(return_desc);
+ } else {
+ /*
+ * This must be a reference object produced by either the
+ * Index() or ref_of() operator
+ */
+ switch (operand[0]->reference.class) {
+ case ACPI_REFCLASS_INDEX:
+ /*
+ * The target type for the Index operator must be
+ * either a Buffer or a Package
+ */
+ switch (operand[0]->reference.target_type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ temp_desc =
+ operand[0]->reference.object;
+
+ /*
+ * Create a new object that contains one element of the
+ * buffer -- the element pointed to by the index.
+ *
+ * NOTE: index into a buffer is NOT a pointer to a
+ * sub-buffer of the main buffer, it is only a pointer to a
+ * single element (byte) of the buffer!
+ *
+ * Since we are returning the value of the buffer at the
+ * indexed location, we don't need to add an additional
+ * reference to the buffer itself.
+ */
+ return_desc =
+ acpi_ut_create_integer_object((u64)
+ temp_desc->buffer.pointer[operand[0]->reference.value]);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ /*
+ * Return the referenced element of the package. We must
+ * add another reference to the referenced object, however.
+ */
+ return_desc =
+ *(operand[0]->reference.where);
+ if (!return_desc) {
+ /*
+ * Element is NULL, do not allow the dereference.
+ * This provides compatibility with other ACPI
+ * implementations.
+ */
+ return_ACPI_STATUS
+ (AE_AML_UNINITIALIZED_ELEMENT);
+ }
+
+ acpi_ut_add_reference(return_desc);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown Index TargetType 0x%X in reference object %p",
+ operand[0]->reference.
+ target_type, operand[0]));
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+ break;
+
+ case ACPI_REFCLASS_REFOF:
+
+ return_desc = operand[0]->reference.object;
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) ==
+ ACPI_DESC_TYPE_NAMED) {
+ return_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node
+ *)
+ return_desc);
+ if (!return_desc) {
+ break;
+ }
+
+ /*
+ * June 2013:
+ * buffer_fields/field_units require additional resolution
+ */
+ switch (return_desc->common.type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ status =
+ acpi_ex_read_data_from_field
+ (walk_state, return_desc,
+ &temp_desc);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ return_desc = temp_desc;
+ break;
+
+ default:
+
+ /* Add another reference to the object */
+
+ acpi_ut_add_reference
+ (return_desc);
+ break;
+ }
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown class in reference(%p) - 0x%2.2X",
+ operand[0],
+ operand[0]->reference.class));
+
+ status = AE_TYPE;
+ goto cleanup;
+ }
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ }
+
+ /* Save return object on success */
+
+ else {
+ walk_state->result_obj = return_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
new file mode 100644
index 00000000000..2ede656ee26
--- /dev/null
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -0,0 +1,580 @@
+/******************************************************************************
+ *
+ * Module Name: exoparg2 - AML execution - opcodes with 2 arguments
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acevents.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exoparg2")
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ * AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS: The number of arguments (input operands) that are
+ * required for this opcode type (1 through 6 args).
+ * yT - TARGETS: The number of targets (output operands) that are required
+ * for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ * as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_2A_0T_0R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with two arguments, no target, and no return
+ * value.
+ *
+ * ALLOCATION: Deletes both operands
+ *
+ ******************************************************************************/
+acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ struct acpi_namespace_node *node;
+ u32 value;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_0R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Examine the opcode */
+
+ switch (walk_state->opcode) {
+ case AML_NOTIFY_OP: /* Notify (notify_object, notify_value) */
+
+ /* The first operand is a namespace node */
+
+ node = (struct acpi_namespace_node *)operand[0];
+
+ /* Second value is the notify value */
+
+ value = (u32) operand[1]->integer.value;
+
+ /* Are notifies allowed on this object? */
+
+ if (!acpi_ev_is_notify_object(node)) {
+ ACPI_ERROR((AE_INFO,
+ "Unexpected notify object type [%s]",
+ acpi_ut_get_type_name(node->type)));
+
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+
+ /*
+ * Dispatch the notify to the appropriate handler
+ * NOTE: the request is queued for execution after this method
+ * completes. The notify handlers are NOT invoked synchronously
+ * from this thread -- because handlers may in turn run other
+ * control methods.
+ */
+ status = acpi_ev_queue_notify_request(node, value);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_2A_2T_1R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute a dyadic operator (2 operands) with 2 output targets
+ * and one implicit return value.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc1 = NULL;
+ union acpi_operand_object *return_desc2 = NULL;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_2T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Execute the opcode */
+
+ switch (walk_state->opcode) {
+ case AML_DIVIDE_OP:
+
+ /* Divide (Dividend, Divisor, remainder_result quotient_result) */
+
+ return_desc1 =
+ acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc1) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ return_desc2 =
+ acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc2) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Quotient to return_desc1, remainder to return_desc2 */
+
+ status = acpi_ut_divide(operand[0]->integer.value,
+ operand[1]->integer.value,
+ &return_desc1->integer.value,
+ &return_desc2->integer.value);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+ /* Store the results to the target reference operands */
+
+ status = acpi_ex_store(return_desc2, operand[2], walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ status = acpi_ex_store(return_desc1, operand[3], walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+cleanup:
+ /*
+ * Since the remainder is not returned indirectly, remove a reference to
+ * it. Only the quotient is returned indirectly.
+ */
+ acpi_ut_remove_reference(return_desc2);
+
+ if (ACPI_FAILURE(status)) {
+
+ /* Delete the return object */
+
+ acpi_ut_remove_reference(return_desc1);
+ }
+
+ /* Save return object (the remainder) on success */
+
+ else {
+ walk_state->result_obj = return_desc1;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_2A_1T_1R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with two arguments, one target, and a return
+ * value.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ u64 index;
+ acpi_status status = AE_OK;
+ acpi_size length = 0;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Execute the opcode */
+
+ if (walk_state->op_info->flags & AML_MATH) {
+
+ /* All simple math opcodes (add, etc.) */
+
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ return_desc->integer.value =
+ acpi_ex_do_math_op(walk_state->opcode,
+ operand[0]->integer.value,
+ operand[1]->integer.value);
+ goto store_result_to_target;
+ }
+
+ switch (walk_state->opcode) {
+ case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
+
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* return_desc will contain the remainder */
+
+ status = acpi_ut_divide(operand[0]->integer.value,
+ operand[1]->integer.value,
+ NULL, &return_desc->integer.value);
+ break;
+
+ case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
+
+ status = acpi_ex_do_concatenate(operand[0], operand[1],
+ &return_desc, walk_state);
+ break;
+
+ case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
+ /*
+ * Input object is guaranteed to be a buffer at this point (it may have
+ * been converted.) Copy the raw buffer data to a new object of
+ * type String.
+ */
+
+ /*
+ * Get the length of the new string. It is the smallest of:
+ * 1) Length of the input buffer
+ * 2) Max length as specified in the to_string operator
+ * 3) Length of input buffer up to a zero byte (null terminator)
+ *
+ * NOTE: A length of zero is ok, and will create a zero-length, null
+ * terminated string.
+ */
+ while ((length < operand[0]->buffer.length) &&
+ (length < operand[1]->integer.value) &&
+ (operand[0]->buffer.pointer[length])) {
+ length++;
+ }
+
+ /* Allocate a new string object */
+
+ return_desc = acpi_ut_create_string_object(length);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /*
+ * Copy the raw buffer data with no transform.
+ * (NULL terminated already)
+ */
+ ACPI_MEMCPY(return_desc->string.pointer,
+ operand[0]->buffer.pointer, length);
+ break;
+
+ case AML_CONCAT_RES_OP:
+
+ /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */
+
+ status = acpi_ex_concat_template(operand[0], operand[1],
+ &return_desc, walk_state);
+ break;
+
+ case AML_INDEX_OP: /* Index (Source Index Result) */
+
+ /* Create the internal return object */
+
+ return_desc =
+ acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Initialize the Index reference object */
+
+ index = operand[1]->integer.value;
+ return_desc->reference.value = (u32) index;
+ return_desc->reference.class = ACPI_REFCLASS_INDEX;
+
+ /*
+ * At this point, the Source operand is a String, Buffer, or Package.
+ * Verify that the index is within range.
+ */
+ switch ((operand[0])->common.type) {
+ case ACPI_TYPE_STRING:
+
+ if (index >= operand[0]->string.length) {
+ length = operand[0]->string.length;
+ status = AE_AML_STRING_LIMIT;
+ }
+
+ return_desc->reference.target_type =
+ ACPI_TYPE_BUFFER_FIELD;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ if (index >= operand[0]->buffer.length) {
+ length = operand[0]->buffer.length;
+ status = AE_AML_BUFFER_LIMIT;
+ }
+
+ return_desc->reference.target_type =
+ ACPI_TYPE_BUFFER_FIELD;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ if (index >= operand[0]->package.count) {
+ length = operand[0]->package.count;
+ status = AE_AML_PACKAGE_LIMIT;
+ }
+
+ return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
+ return_desc->reference.where =
+ &operand[0]->package.elements[index];
+ break;
+
+ default:
+
+ status = AE_AML_INTERNAL;
+ goto cleanup;
+ }
+
+ /* Failure means that the Index was beyond the end of the object */
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Index (0x%X%8.8X) is beyond end of object (length 0x%X)",
+ ACPI_FORMAT_UINT64(index),
+ (u32)length));
+ goto cleanup;
+ }
+
+ /*
+ * Save the target object and add a reference to it for the life
+ * of the index
+ */
+ return_desc->reference.object = operand[0];
+ acpi_ut_add_reference(operand[0]);
+
+ /* Store the reference to the Target */
+
+ status = acpi_ex_store(return_desc, operand[2], walk_state);
+
+ /* Return the reference */
+
+ walk_state->result_obj = return_desc;
+ goto cleanup;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ break;
+ }
+
+store_result_to_target:
+
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * Store the result of the operation (which is now in return_desc) into
+ * the Target descriptor.
+ */
+ status = acpi_ex_store(return_desc, operand[2], walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ if (!walk_state->result_obj) {
+ walk_state->result_obj = return_desc;
+ }
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ walk_state->result_obj = NULL;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_2A_0T_1R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with 2 arguments, no target, and a return value
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ acpi_status status = AE_OK;
+ u8 logical_result = FALSE;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ /* Create the internal return object */
+
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Execute the Opcode */
+
+ if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
+
+ /* logical_op (Operand0, Operand1) */
+
+ status = acpi_ex_do_logical_numeric_op(walk_state->opcode,
+ operand[0]->integer.
+ value,
+ operand[1]->integer.
+ value, &logical_result);
+ goto store_logical_result;
+ } else if (walk_state->op_info->flags & AML_LOGICAL) {
+
+ /* logical_op (Operand0, Operand1) */
+
+ status = acpi_ex_do_logical_op(walk_state->opcode, operand[0],
+ operand[1], &logical_result);
+ goto store_logical_result;
+ }
+
+ switch (walk_state->opcode) {
+ case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */
+
+ status =
+ acpi_ex_acquire_mutex(operand[1], operand[0], walk_state);
+ if (status == AE_TIME) {
+ logical_result = TRUE; /* TRUE = Acquire timed out */
+ status = AE_OK;
+ }
+ break;
+
+ case AML_WAIT_OP: /* Wait (event_object, Timeout) */
+
+ status = acpi_ex_system_wait_event(operand[1], operand[0]);
+ if (status == AE_TIME) {
+ logical_result = TRUE; /* TRUE, Wait timed out */
+ status = AE_OK;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+store_logical_result:
+ /*
+ * Set return value to according to logical_result. logical TRUE (all ones)
+ * Default is FALSE (zero)
+ */
+ if (logical_result) {
+ return_desc->integer.value = ACPI_UINT64_MAX;
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ }
+
+ /* Save return object on success */
+
+ else {
+ walk_state->result_obj = return_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
new file mode 100644
index 00000000000..363767cf01e
--- /dev/null
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -0,0 +1,270 @@
+/******************************************************************************
+ *
+ * Module Name: exoparg3 - AML execution - opcodes with 3 arguments
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exoparg3")
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ * AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS: The number of arguments (input operands) that are
+ * required for this opcode type (1 through 6 args).
+ * yT - TARGETS: The number of targets (output operands) that are required
+ * for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ * as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_3A_0T_0R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute Triadic operator (3 operands)
+ *
+ ******************************************************************************/
+acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ struct acpi_signal_fatal_info *fatal;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_0T_0R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ switch (walk_state->opcode) {
+ case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
+ (u32) operand[0]->integer.value,
+ (u32) operand[1]->integer.value,
+ (u32) operand[2]->integer.value));
+
+ fatal = ACPI_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
+ if (fatal) {
+ fatal->type = (u32) operand[0]->integer.value;
+ fatal->code = (u32) operand[1]->integer.value;
+ fatal->argument = (u32) operand[2]->integer.value;
+ }
+
+ /* Always signal the OS! */
+
+ status = acpi_os_signal(ACPI_SIGNAL_FATAL, fatal);
+
+ /* Might return while OS is shutting down, just continue */
+
+ ACPI_FREE(fatal);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+cleanup:
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_3A_1T_1R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute Triadic operator (3 operands)
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ char *buffer = NULL;
+ acpi_status status = AE_OK;
+ u64 index;
+ acpi_size length;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_1T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ switch (walk_state->opcode) {
+ case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
+ /*
+ * Create the return object. The Source operand is guaranteed to be
+ * either a String or a Buffer, so just use its type.
+ */
+ return_desc = acpi_ut_create_internal_object((operand[0])->
+ common.type);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+
+ /* Get the Integer values from the objects */
+
+ index = operand[1]->integer.value;
+ length = (acpi_size) operand[2]->integer.value;
+
+ /*
+ * If the index is beyond the length of the String/Buffer, or if the
+ * requested length is zero, return a zero-length String/Buffer
+ */
+ if (index >= operand[0]->string.length) {
+ length = 0;
+ }
+
+ /* Truncate request if larger than the actual String/Buffer */
+
+ else if ((index + length) > operand[0]->string.length) {
+ length = (acpi_size) operand[0]->string.length -
+ (acpi_size) index;
+ }
+
+ /* Strings always have a sub-pointer, not so for buffers */
+
+ switch ((operand[0])->common.type) {
+ case ACPI_TYPE_STRING:
+
+ /* Always allocate a new buffer for the String */
+
+ buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1);
+ if (!buffer) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* If the requested length is zero, don't allocate a buffer */
+
+ if (length > 0) {
+
+ /* Allocate a new buffer for the Buffer */
+
+ buffer = ACPI_ALLOCATE_ZEROED(length);
+ if (!buffer) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ }
+ break;
+
+ default: /* Should not happen */
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ if (buffer) {
+
+ /* We have a buffer, copy the portion requested */
+
+ ACPI_MEMCPY(buffer, operand[0]->string.pointer + index,
+ length);
+ }
+
+ /* Set the length of the new String/Buffer */
+
+ return_desc->string.pointer = buffer;
+ return_desc->string.length = (u32) length;
+
+ /* Mark buffer initialized */
+
+ return_desc->buffer.flags |= AOPOBJ_DATA_VALID;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+ /* Store the result in the target */
+
+ status = acpi_ex_store(return_desc, operand[3], walk_state);
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status) || walk_state->result_obj) {
+ acpi_ut_remove_reference(return_desc);
+ walk_state->result_obj = NULL;
+ }
+
+ /* Set the return object and exit */
+
+ else {
+ walk_state->result_obj = return_desc;
+ }
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
new file mode 100644
index 00000000000..29e9e99f7fe
--- /dev/null
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -0,0 +1,332 @@
+/******************************************************************************
+ *
+ * Module Name: exoparg6 - AML execution - opcodes with 6 arguments
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exoparg6")
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ * AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS: The number of arguments (input operands) that are
+ * required for this opcode type (1 through 6 args).
+ * yT - TARGETS: The number of targets (output operands) that are required
+ * for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ * as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+/* Local prototypes */
+static u8
+acpi_ex_do_match(u32 match_op,
+ union acpi_operand_object *package_obj,
+ union acpi_operand_object *match_obj);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_do_match
+ *
+ * PARAMETERS: match_op - The AML match operand
+ * package_obj - Object from the target package
+ * match_obj - Object to be matched
+ *
+ * RETURN: TRUE if the match is successful, FALSE otherwise
+ *
+ * DESCRIPTION: Implements the low-level match for the ASL Match operator.
+ * Package elements will be implicitly converted to the type of
+ * the match object (Integer/Buffer/String).
+ *
+ ******************************************************************************/
+
+static u8
+acpi_ex_do_match(u32 match_op,
+ union acpi_operand_object *package_obj,
+ union acpi_operand_object *match_obj)
+{
+ u8 logical_result = TRUE;
+ acpi_status status;
+
+ /*
+ * Note: Since the package_obj/match_obj ordering is opposite to that of
+ * the standard logical operators, we have to reverse them when we call
+ * do_logical_op in order to make the implicit conversion rules work
+ * correctly. However, this means we have to flip the entire equation
+ * also. A bit ugly perhaps, but overall, better than fussing the
+ * parameters around at runtime, over and over again.
+ *
+ * Below, P[i] refers to the package element, M refers to the Match object.
+ */
+ switch (match_op) {
+ case MATCH_MTR:
+
+ /* Always true */
+
+ break;
+
+ case MATCH_MEQ:
+ /*
+ * True if equal: (P[i] == M)
+ * Change to: (M == P[i])
+ */
+ status =
+ acpi_ex_do_logical_op(AML_LEQUAL_OP, match_obj, package_obj,
+ &logical_result);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+ break;
+
+ case MATCH_MLE:
+ /*
+ * True if less than or equal: (P[i] <= M) (P[i] not_greater than M)
+ * Change to: (M >= P[i]) (M not_less than P[i])
+ */
+ status =
+ acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj,
+ &logical_result);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+ logical_result = (u8) ! logical_result;
+ break;
+
+ case MATCH_MLT:
+ /*
+ * True if less than: (P[i] < M)
+ * Change to: (M > P[i])
+ */
+ status =
+ acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj,
+ package_obj, &logical_result);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+ break;
+
+ case MATCH_MGE:
+ /*
+ * True if greater than or equal: (P[i] >= M) (P[i] not_less than M)
+ * Change to: (M <= P[i]) (M not_greater than P[i])
+ */
+ status =
+ acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj,
+ package_obj, &logical_result);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+ logical_result = (u8) ! logical_result;
+ break;
+
+ case MATCH_MGT:
+ /*
+ * True if greater than: (P[i] > M)
+ * Change to: (M < P[i])
+ */
+ status =
+ acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj,
+ &logical_result);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+ break;
+
+ default:
+
+ /* Undefined */
+
+ return (FALSE);
+ }
+
+ return (logical_result);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_opcode_6A_0T_1R
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute opcode with 6 arguments, no target, and a return value
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
+{
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ acpi_status status = AE_OK;
+ u64 index;
+ union acpi_operand_object *this_element;
+
+ ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R,
+ acpi_ps_get_opcode_name(walk_state->opcode));
+
+ switch (walk_state->opcode) {
+ case AML_MATCH_OP:
+ /*
+ * Match (search_pkg[0], match_op1[1], match_obj1[2],
+ * match_op2[3], match_obj2[4], start_index[5])
+ */
+
+ /* Validate both Match Term Operators (MTR, MEQ, etc.) */
+
+ if ((operand[1]->integer.value > MAX_MATCH_OPERATOR) ||
+ (operand[3]->integer.value > MAX_MATCH_OPERATOR)) {
+ ACPI_ERROR((AE_INFO, "Match operator out of range"));
+ status = AE_AML_OPERAND_VALUE;
+ goto cleanup;
+ }
+
+ /* Get the package start_index, validate against the package length */
+
+ index = operand[5]->integer.value;
+ if (index >= operand[0]->package.count) {
+ ACPI_ERROR((AE_INFO,
+ "Index (0x%8.8X%8.8X) beyond package end (0x%X)",
+ ACPI_FORMAT_UINT64(index),
+ operand[0]->package.count));
+ status = AE_AML_PACKAGE_LIMIT;
+ goto cleanup;
+ }
+
+ /* Create an integer for the return value */
+ /* Default return value is ACPI_UINT64_MAX if no match found */
+
+ return_desc = acpi_ut_create_integer_object(ACPI_UINT64_MAX);
+ if (!return_desc) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+
+ }
+
+ /*
+ * Examine each element until a match is found. Both match conditions
+ * must be satisfied for a match to occur. Within the loop,
+ * "continue" signifies that the current element does not match
+ * and the next should be examined.
+ *
+ * Upon finding a match, the loop will terminate via "break" at
+ * the bottom. If it terminates "normally", match_value will be
+ * ACPI_UINT64_MAX (Ones) (its initial value) indicating that no
+ * match was found.
+ */
+ for (; index < operand[0]->package.count; index++) {
+
+ /* Get the current package element */
+
+ this_element = operand[0]->package.elements[index];
+
+ /* Treat any uninitialized (NULL) elements as non-matching */
+
+ if (!this_element) {
+ continue;
+ }
+
+ /*
+ * Both match conditions must be satisfied. Execution of a continue
+ * (proceed to next iteration of enclosing for loop) signifies a
+ * non-match.
+ */
+ if (!acpi_ex_do_match((u32) operand[1]->integer.value,
+ this_element, operand[2])) {
+ continue;
+ }
+
+ if (!acpi_ex_do_match((u32) operand[3]->integer.value,
+ this_element, operand[4])) {
+ continue;
+ }
+
+ /* Match found: Index is the return value */
+
+ return_desc->integer.value = index;
+ break;
+ }
+ break;
+
+ case AML_LOAD_TABLE_OP:
+
+ status = acpi_ex_load_table_op(walk_state, &return_desc);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
+ }
+
+ /* Save return object on success */
+
+ else {
+ walk_state->result_obj = return_desc;
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
new file mode 100644
index 00000000000..ee3f872870b
--- /dev/null
+++ b/drivers/acpi/acpica/exprep.c
@@ -0,0 +1,628 @@
+/******************************************************************************
+ *
+ * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdispat.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exprep")
+
+/* Local prototypes */
+static u32
+acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
+ u8 field_flags, u32 * return_byte_alignment);
+
+#ifdef ACPI_UNDER_DEVELOPMENT
+
+static u32
+acpi_ex_generate_access(u32 field_bit_offset,
+ u32 field_bit_length, u32 region_length);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_generate_access
+ *
+ * PARAMETERS: field_bit_offset - Start of field within parent region/buffer
+ * field_bit_length - Length of field in bits
+ * region_length - Length of parent in bytes
+ *
+ * RETURN: Field granularity (8, 16, 32 or 64) and
+ * byte_alignment (1, 2, 3, or 4)
+ *
+ * DESCRIPTION: Generate an optimal access width for fields defined with the
+ * any_acc keyword.
+ *
+ * NOTE: Need to have the region_length in order to check for boundary
+ * conditions (end-of-region). However, the region_length is a deferred
+ * operation. Therefore, to complete this implementation, the generation
+ * of this access width must be deferred until the region length has
+ * been evaluated.
+ *
+ ******************************************************************************/
+
+static u32
+acpi_ex_generate_access(u32 field_bit_offset,
+ u32 field_bit_length, u32 region_length)
+{
+ u32 field_byte_length;
+ u32 field_byte_offset;
+ u32 field_byte_end_offset;
+ u32 access_byte_width;
+ u32 field_start_offset;
+ u32 field_end_offset;
+ u32 minimum_access_width = 0xFFFFFFFF;
+ u32 minimum_accesses = 0xFFFFFFFF;
+ u32 accesses;
+
+ ACPI_FUNCTION_TRACE(ex_generate_access);
+
+ /* Round Field start offset and length to "minimal" byte boundaries */
+
+ field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8));
+ field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length +
+ field_bit_offset, 8));
+ field_byte_length = field_byte_end_offset - field_byte_offset;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Bit length %u, Bit offset %u\n",
+ field_bit_length, field_bit_offset));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Byte Length %u, Byte Offset %u, End Offset %u\n",
+ field_byte_length, field_byte_offset,
+ field_byte_end_offset));
+
+ /*
+ * Iterative search for the maximum access width that is both aligned
+ * and does not go beyond the end of the region
+ *
+ * Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes)
+ */
+ for (access_byte_width = 1; access_byte_width <= 8;
+ access_byte_width <<= 1) {
+ /*
+ * 1) Round end offset up to next access boundary and make sure that
+ * this does not go beyond the end of the parent region.
+ * 2) When the Access width is greater than the field_byte_length, we
+ * are done. (This does not optimize for the perfectly aligned
+ * case yet).
+ */
+ if (ACPI_ROUND_UP(field_byte_end_offset, access_byte_width) <=
+ region_length) {
+ field_start_offset =
+ ACPI_ROUND_DOWN(field_byte_offset,
+ access_byte_width) /
+ access_byte_width;
+
+ field_end_offset =
+ ACPI_ROUND_UP((field_byte_length +
+ field_byte_offset),
+ access_byte_width) /
+ access_byte_width;
+
+ accesses = field_end_offset - field_start_offset;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "AccessWidth %u end is within region\n",
+ access_byte_width));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Field Start %u, Field End %u -- requires %u accesses\n",
+ field_start_offset, field_end_offset,
+ accesses));
+
+ /* Single access is optimal */
+
+ if (accesses <= 1) {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Entire field can be accessed with one operation of size %u\n",
+ access_byte_width));
+ return_VALUE(access_byte_width);
+ }
+
+ /*
+ * Fits in the region, but requires more than one read/write.
+ * try the next wider access on next iteration
+ */
+ if (accesses < minimum_accesses) {
+ minimum_accesses = accesses;
+ minimum_access_width = access_byte_width;
+ }
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "AccessWidth %u end is NOT within region\n",
+ access_byte_width));
+ if (access_byte_width == 1) {
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Field goes beyond end-of-region!\n"));
+
+ /* Field does not fit in the region at all */
+
+ return_VALUE(0);
+ }
+
+ /*
+ * This width goes beyond the end-of-region, back off to
+ * previous access
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Backing off to previous optimal access width of %u\n",
+ minimum_access_width));
+ return_VALUE(minimum_access_width);
+ }
+ }
+
+ /*
+ * Could not read/write field with one operation,
+ * just use max access width
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Cannot access field in one operation, using width 8\n"));
+ return_VALUE(8);
+}
+#endif /* ACPI_UNDER_DEVELOPMENT */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_decode_field_access
+ *
+ * PARAMETERS: obj_desc - Field object
+ * field_flags - Encoded fieldflags (contains access bits)
+ * return_byte_alignment - Where the byte alignment is returned
+ *
+ * RETURN: Field granularity (8, 16, 32 or 64) and
+ * byte_alignment (1, 2, 3, or 4)
+ *
+ * DESCRIPTION: Decode the access_type bits of a field definition.
+ *
+ ******************************************************************************/
+
+static u32
+acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
+ u8 field_flags, u32 * return_byte_alignment)
+{
+ u32 access;
+ u32 byte_alignment;
+ u32 bit_length;
+
+ ACPI_FUNCTION_TRACE(ex_decode_field_access);
+
+ access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK);
+
+ switch (access) {
+ case AML_FIELD_ACCESS_ANY:
+
+#ifdef ACPI_UNDER_DEVELOPMENT
+ byte_alignment =
+ acpi_ex_generate_access(obj_desc->common_field.
+ start_field_bit_offset,
+ obj_desc->common_field.bit_length,
+ 0xFFFFFFFF
+ /* Temp until we pass region_length as parameter */
+ );
+ bit_length = byte_alignment * 8;
+#endif
+
+ byte_alignment = 1;
+ bit_length = 8;
+ break;
+
+ case AML_FIELD_ACCESS_BYTE:
+ case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */
+
+ byte_alignment = 1;
+ bit_length = 8;
+ break;
+
+ case AML_FIELD_ACCESS_WORD:
+
+ byte_alignment = 2;
+ bit_length = 16;
+ break;
+
+ case AML_FIELD_ACCESS_DWORD:
+
+ byte_alignment = 4;
+ bit_length = 32;
+ break;
+
+ case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */
+
+ byte_alignment = 8;
+ bit_length = 64;
+ break;
+
+ default:
+
+ /* Invalid field access type */
+
+ ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
+ return_UINT32(0);
+ }
+
+ if (obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD) {
+ /*
+ * buffer_field access can be on any byte boundary, so the
+ * byte_alignment is always 1 byte -- regardless of any byte_alignment
+ * implied by the field access type.
+ */
+ byte_alignment = 1;
+ }
+
+ *return_byte_alignment = byte_alignment;
+ return_UINT32(bit_length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_prep_common_field_object
+ *
+ * PARAMETERS: obj_desc - The field object
+ * field_flags - Access, lock_rule, and update_rule.
+ * The format of a field_flag is described
+ * in the ACPI specification
+ * field_attribute - Special attributes (not used)
+ * field_bit_position - Field start position
+ * field_bit_length - Field length in number of bits
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize the areas of the field object that are common
+ * to the various types of fields. Note: This is very "sensitive"
+ * code because we are solving the general case for field
+ * alignment.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
+ u8 field_flags,
+ u8 field_attribute,
+ u32 field_bit_position, u32 field_bit_length)
+{
+ u32 access_bit_width;
+ u32 byte_alignment;
+ u32 nearest_byte_address;
+
+ ACPI_FUNCTION_TRACE(ex_prep_common_field_object);
+
+ /*
+ * Note: the structure being initialized is the
+ * ACPI_COMMON_FIELD_INFO; No structure fields outside of the common
+ * area are initialized by this procedure.
+ */
+ obj_desc->common_field.field_flags = field_flags;
+ obj_desc->common_field.attribute = field_attribute;
+ obj_desc->common_field.bit_length = field_bit_length;
+
+ /*
+ * Decode the access type so we can compute offsets. The access type gives
+ * two pieces of information - the width of each field access and the
+ * necessary byte_alignment (address granularity) of the access.
+ *
+ * For any_acc, the access_bit_width is the largest width that is both
+ * necessary and possible in an attempt to access the whole field in one
+ * I/O operation. However, for any_acc, the byte_alignment is always one
+ * byte.
+ *
+ * For all Buffer Fields, the byte_alignment is always one byte.
+ *
+ * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is
+ * the same (equivalent) as the byte_alignment.
+ */
+ access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags,
+ &byte_alignment);
+ if (!access_bit_width) {
+ return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
+ }
+
+ /* Setup width (access granularity) fields (values are: 1, 2, 4, 8) */
+
+ obj_desc->common_field.access_byte_width = (u8)
+ ACPI_DIV_8(access_bit_width);
+
+ /*
+ * base_byte_offset is the address of the start of the field within the
+ * region. It is the byte address of the first *datum* (field-width data
+ * unit) of the field. (i.e., the first datum that contains at least the
+ * first *bit* of the field.)
+ *
+ * Note: byte_alignment is always either equal to the access_bit_width or 8
+ * (Byte access), and it defines the addressing granularity of the parent
+ * region or buffer.
+ */
+ nearest_byte_address =
+ ACPI_ROUND_BITS_DOWN_TO_BYTES(field_bit_position);
+ obj_desc->common_field.base_byte_offset = (u32)
+ ACPI_ROUND_DOWN(nearest_byte_address, byte_alignment);
+
+ /*
+ * start_field_bit_offset is the offset of the first bit of the field within
+ * a field datum.
+ */
+ obj_desc->common_field.start_field_bit_offset = (u8)
+ (field_bit_position -
+ ACPI_MUL_8(obj_desc->common_field.base_byte_offset));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_prep_field_value
+ *
+ * PARAMETERS: info - Contains all field creation info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Construct an object of type union acpi_operand_object with a
+ * subtype of def_field and connect it to the parent Node.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *second_desc = NULL;
+ acpi_status status;
+ u32 access_byte_width;
+ u32 type;
+
+ ACPI_FUNCTION_TRACE(ex_prep_field_value);
+
+ /* Parameter validation */
+
+ if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) {
+ if (!info->region_node) {
+ ACPI_ERROR((AE_INFO, "Null RegionNode"));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ type = acpi_ns_get_type(info->region_node);
+ if (type != ACPI_TYPE_REGION) {
+ ACPI_ERROR((AE_INFO,
+ "Needed Region, found type 0x%X (%s)", type,
+ acpi_ut_get_type_name(type)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ }
+
+ /* Allocate a new field object */
+
+ obj_desc = acpi_ut_create_internal_object(info->field_type);
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize areas of the object that are common to all fields */
+
+ obj_desc->common_field.node = info->field_node;
+ status = acpi_ex_prep_common_field_object(obj_desc,
+ info->field_flags,
+ info->attribute,
+ info->field_bit_position,
+ info->field_bit_length);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(status);
+ }
+
+ /* Initialize areas of the object that are specific to the field type */
+
+ switch (info->field_type) {
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+ obj_desc->field.region_obj =
+ acpi_ns_get_attached_object(info->region_node);
+
+ /* Fields specific to generic_serial_bus fields */
+
+ obj_desc->field.access_length = info->access_length;
+
+ if (info->connection_node) {
+ second_desc = info->connection_node->object;
+ if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status =
+ acpi_ds_get_buffer_arguments(second_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ obj_desc->field.resource_buffer =
+ second_desc->buffer.pointer;
+ obj_desc->field.resource_length =
+ (u16)second_desc->buffer.length;
+ } else if (info->resource_buffer) {
+ obj_desc->field.resource_buffer = info->resource_buffer;
+ obj_desc->field.resource_length = info->resource_length;
+ }
+
+ /* Allow full data read from EC address space */
+
+ if ((obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_EC)
+ && (obj_desc->common_field.bit_length > 8)) {
+ access_byte_width =
+ ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.
+ bit_length);
+
+ /* Maximum byte width supported is 255 */
+
+ if (access_byte_width < 256) {
+ obj_desc->common_field.access_byte_width =
+ (u8)access_byte_width;
+ }
+ }
+ /* An additional reference for the container */
+
+ acpi_ut_add_reference(obj_desc->field.region_obj);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
+ obj_desc->field.start_field_bit_offset,
+ obj_desc->field.base_byte_offset,
+ obj_desc->field.access_byte_width,
+ obj_desc->field.region_obj));
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ obj_desc->bank_field.value = info->bank_value;
+ obj_desc->bank_field.region_obj =
+ acpi_ns_get_attached_object(info->region_node);
+ obj_desc->bank_field.bank_obj =
+ acpi_ns_get_attached_object(info->register_node);
+
+ /* An additional reference for the attached objects */
+
+ acpi_ut_add_reference(obj_desc->bank_field.region_obj);
+ acpi_ut_add_reference(obj_desc->bank_field.bank_obj);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Bank Field: BitOff %X, Off %X, Gran %X, Region %p, BankReg %p\n",
+ obj_desc->bank_field.start_field_bit_offset,
+ obj_desc->bank_field.base_byte_offset,
+ obj_desc->field.access_byte_width,
+ obj_desc->bank_field.region_obj,
+ obj_desc->bank_field.bank_obj));
+
+ /*
+ * Remember location in AML stream of the field unit
+ * opcode and operands -- since the bank_value
+ * operands must be evaluated.
+ */
+ second_desc = obj_desc->common.next_object;
+ second_desc->extra.aml_start =
+ ACPI_CAST_PTR(union acpi_parse_object,
+ info->data_register_node)->named.data;
+ second_desc->extra.aml_length =
+ ACPI_CAST_PTR(union acpi_parse_object,
+ info->data_register_node)->named.length;
+
+ break;
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ /* Get the Index and Data registers */
+
+ obj_desc->index_field.index_obj =
+ acpi_ns_get_attached_object(info->register_node);
+ obj_desc->index_field.data_obj =
+ acpi_ns_get_attached_object(info->data_register_node);
+
+ if (!obj_desc->index_field.data_obj
+ || !obj_desc->index_field.index_obj) {
+ ACPI_ERROR((AE_INFO,
+ "Null Index Object during field prep"));
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /* An additional reference for the attached objects */
+
+ acpi_ut_add_reference(obj_desc->index_field.data_obj);
+ acpi_ut_add_reference(obj_desc->index_field.index_obj);
+
+ /*
+ * April 2006: Changed to match MS behavior
+ *
+ * The value written to the Index register is the byte offset of the
+ * target field in units of the granularity of the index_field
+ *
+ * Previously, the value was calculated as an index in terms of the
+ * width of the Data register, as below:
+ *
+ * obj_desc->index_field.Value = (u32)
+ * (Info->field_bit_position / ACPI_MUL_8 (
+ * obj_desc->Field.access_byte_width));
+ *
+ * February 2006: Tried value as a byte offset:
+ * obj_desc->index_field.Value = (u32)
+ * ACPI_DIV_8 (Info->field_bit_position);
+ */
+ obj_desc->index_field.value =
+ (u32) ACPI_ROUND_DOWN(ACPI_DIV_8(info->field_bit_position),
+ obj_desc->index_field.
+ access_byte_width);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
+ obj_desc->index_field.start_field_bit_offset,
+ obj_desc->index_field.base_byte_offset,
+ obj_desc->index_field.value,
+ obj_desc->field.access_byte_width,
+ obj_desc->index_field.index_obj,
+ obj_desc->index_field.data_obj));
+ break;
+
+ default:
+
+ /* No other types should get here */
+
+ break;
+ }
+
+ /*
+ * Store the constructed descriptor (obj_desc) into the parent Node,
+ * preserving the current type of that named_obj.
+ */
+ status = acpi_ns_attach_object(info->field_node, obj_desc,
+ acpi_ns_get_type(info->field_node));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+ "Set NamedObj %p [%4.4s], ObjDesc %p\n",
+ info->field_node,
+ acpi_ut_get_node_name(info->field_node), obj_desc));
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
new file mode 100644
index 00000000000..cd5288a257a
--- /dev/null
+++ b/drivers/acpi/acpica/exregion.c
@@ -0,0 +1,538 @@
+/******************************************************************************
+ *
+ * Module Name: exregion - ACPI default op_region (address space) handlers
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exregion")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_memory_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the System Memory address space (Op Region)
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ex_system_memory_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ acpi_status status = AE_OK;
+ void *logical_addr_ptr = NULL;
+ struct acpi_mem_space_context *mem_info = region_context;
+ u32 length;
+ acpi_size map_length;
+ acpi_size page_boundary_map_length;
+#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
+ u32 remainder;
+#endif
+
+ ACPI_FUNCTION_TRACE(ex_system_memory_space_handler);
+
+ /* Validate and translate the bit width */
+
+ switch (bit_width) {
+ case 8:
+
+ length = 1;
+ break;
+
+ case 16:
+
+ length = 2;
+ break;
+
+ case 32:
+
+ length = 4;
+ break;
+
+ case 64:
+
+ length = 8;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %u",
+ bit_width));
+ return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
+ }
+
+#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
+ /*
+ * Hardware does not support non-aligned data transfers, we must verify
+ * the request.
+ */
+ (void)acpi_ut_short_divide((u64) address, length, NULL, &remainder);
+ if (remainder != 0) {
+ return_ACPI_STATUS(AE_AML_ALIGNMENT);
+ }
+#endif
+
+ /*
+ * Does the request fit into the cached memory mapping?
+ * Is 1) Address below the current mapping? OR
+ * 2) Address beyond the current mapping?
+ */
+ if ((address < mem_info->mapped_physical_address) ||
+ (((u64) address + length) > ((u64)
+ mem_info->mapped_physical_address +
+ mem_info->mapped_length))) {
+ /*
+ * The request cannot be resolved by the current memory mapping;
+ * Delete the existing mapping and create a new one.
+ */
+ if (mem_info->mapped_length) {
+
+ /* Valid mapping, delete it */
+
+ acpi_os_unmap_memory(mem_info->mapped_logical_address,
+ mem_info->mapped_length);
+ }
+
+ /*
+ * October 2009: Attempt to map from the requested address to the
+ * end of the region. However, we will never map more than one
+ * page, nor will we cross a page boundary.
+ */
+ map_length = (acpi_size)
+ ((mem_info->address + mem_info->length) - address);
+
+ /*
+ * If mapping the entire remaining portion of the region will cross
+ * a page boundary, just map up to the page boundary, do not cross.
+ * On some systems, crossing a page boundary while mapping regions
+ * can cause warnings if the pages have different attributes
+ * due to resource management.
+ *
+ * This has the added benefit of constraining a single mapping to
+ * one page, which is similar to the original code that used a 4k
+ * maximum window.
+ */
+ page_boundary_map_length =
+ ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address;
+ if (page_boundary_map_length == 0) {
+ page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE;
+ }
+
+ if (map_length > page_boundary_map_length) {
+ map_length = page_boundary_map_length;
+ }
+
+ /* Create a new mapping starting at the address given */
+
+ mem_info->mapped_logical_address = acpi_os_map_memory((acpi_physical_address) address, map_length);
+ if (!mem_info->mapped_logical_address) {
+ ACPI_ERROR((AE_INFO,
+ "Could not map memory at 0x%8.8X%8.8X, size %u",
+ ACPI_FORMAT_NATIVE_UINT(address),
+ (u32) map_length));
+ mem_info->mapped_length = 0;
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Save the physical address and mapping size */
+
+ mem_info->mapped_physical_address = address;
+ mem_info->mapped_length = map_length;
+ }
+
+ /*
+ * Generate a logical pointer corresponding to the address we want to
+ * access
+ */
+ logical_addr_ptr = mem_info->mapped_logical_address +
+ ((u64) address - (u64) mem_info->mapped_physical_address);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n",
+ bit_width, function,
+ ACPI_FORMAT_NATIVE_UINT(address)));
+
+ /*
+ * Perform the memory read or write
+ *
+ * Note: For machines that do not support non-aligned transfers, the target
+ * address was checked for alignment above. We do not attempt to break the
+ * transfer up into smaller (byte-size) chunks because the AML specifically
+ * asked for a transfer width that the hardware may require.
+ */
+ switch (function) {
+ case ACPI_READ:
+
+ *value = 0;
+ switch (bit_width) {
+ case 8:
+
+ *value = (u64)ACPI_GET8(logical_addr_ptr);
+ break;
+
+ case 16:
+
+ *value = (u64)ACPI_GET16(logical_addr_ptr);
+ break;
+
+ case 32:
+
+ *value = (u64)ACPI_GET32(logical_addr_ptr);
+ break;
+
+ case 64:
+
+ *value = (u64)ACPI_GET64(logical_addr_ptr);
+ break;
+
+ default:
+
+ /* bit_width was already validated */
+
+ break;
+ }
+ break;
+
+ case ACPI_WRITE:
+
+ switch (bit_width) {
+ case 8:
+
+ ACPI_SET8(logical_addr_ptr, *value);
+ break;
+
+ case 16:
+
+ ACPI_SET16(logical_addr_ptr, *value);
+ break;
+
+ case 32:
+
+ ACPI_SET32(logical_addr_ptr, *value);
+ break;
+
+ case 64:
+
+ ACPI_SET64(logical_addr_ptr, *value);
+ break;
+
+ default:
+
+ /* bit_width was already validated */
+
+ break;
+ }
+ break;
+
+ default:
+
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_io_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the System IO address space (Op Region)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_system_io_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ acpi_status status = AE_OK;
+ u32 value32;
+
+ ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n",
+ bit_width, function,
+ ACPI_FORMAT_NATIVE_UINT(address)));
+
+ /* Decode the function parameter */
+
+ switch (function) {
+ case ACPI_READ:
+
+ status = acpi_hw_read_port((acpi_io_address) address,
+ &value32, bit_width);
+ *value = value32;
+ break;
+
+ case ACPI_WRITE:
+
+ status = acpi_hw_write_port((acpi_io_address) address,
+ (u32) * value, bit_width);
+ break;
+
+ default:
+
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_pci_config_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the PCI Config address space (Op Region)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_pci_config_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ acpi_status status = AE_OK;
+ struct acpi_pci_id *pci_id;
+ u16 pci_register;
+
+ ACPI_FUNCTION_TRACE(ex_pci_config_space_handler);
+
+ /*
+ * The arguments to acpi_os(Read|Write)pci_configuration are:
+ *
+ * pci_segment is the PCI bus segment range 0-31
+ * pci_bus is the PCI bus number range 0-255
+ * pci_device is the PCI device number range 0-31
+ * pci_function is the PCI device function number
+ * pci_register is the Config space register range 0-255 bytes
+ *
+ * value - input value for write, output address for read
+ *
+ */
+ pci_id = (struct acpi_pci_id *)region_context;
+ pci_register = (u16) (u32) address;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Pci-Config %u (%u) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
+ function, bit_width, pci_id->segment, pci_id->bus,
+ pci_id->device, pci_id->function, pci_register));
+
+ switch (function) {
+ case ACPI_READ:
+
+ *value = 0;
+ status = acpi_os_read_pci_configuration(pci_id, pci_register,
+ value, bit_width);
+ break;
+
+ case ACPI_WRITE:
+
+ status = acpi_os_write_pci_configuration(pci_id, pci_register,
+ *value, bit_width);
+ break;
+
+ default:
+
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_cmos_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the CMOS address space (Op Region)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_cmos_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_cmos_space_handler);
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_pci_bar_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the PCI bar_target address space (Op Region)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_pci_bar_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_pci_bar_space_handler);
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_data_table_space_handler
+ *
+ * PARAMETERS: function - Read or Write operation
+ * address - Where in the space to read or write
+ * bit_width - Field width in bits (8, 16, or 32)
+ * value - Pointer to in or out value
+ * handler_context - Pointer to Handler's context
+ * region_context - Pointer to context specific to the
+ * accessed region
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Handler for the Data Table address space (Op Region)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_data_table_space_handler(u32 function,
+ acpi_physical_address address,
+ u32 bit_width,
+ u64 *value,
+ void *handler_context, void *region_context)
+{
+ ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
+
+ /*
+ * Perform the memory read or write. The bit_width was already
+ * validated.
+ */
+ switch (function) {
+ case ACPI_READ:
+
+ ACPI_MEMCPY(ACPI_CAST_PTR(char, value),
+ ACPI_PHYSADDR_TO_PTR(address),
+ ACPI_DIV_8(bit_width));
+ break;
+
+ case ACPI_WRITE:
+
+ ACPI_MEMCPY(ACPI_PHYSADDR_TO_PTR(address),
+ ACPI_CAST_PTR(char, value), ACPI_DIV_8(bit_width));
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
new file mode 100644
index 00000000000..ab060261b43
--- /dev/null
+++ b/drivers/acpi/acpica/exresnte.c
@@ -0,0 +1,279 @@
+/******************************************************************************
+ *
+ * Module Name: exresnte - AML Interpreter object resolution
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exresnte")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_node_to_value
+ *
+ * PARAMETERS: object_ptr - Pointer to a location that contains
+ * a pointer to a NS node, and will receive a
+ * pointer to the resolved object.
+ * walk_state - Current state. Valid only if executing AML
+ * code. NULL if simply resolving an object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Resolve a Namespace node to a valued object
+ *
+ * Note: for some of the data types, the pointer attached to the Node
+ * can be either a pointer to an actual internal object or a pointer into the
+ * AML stream itself. These types are currently:
+ *
+ * ACPI_TYPE_INTEGER
+ * ACPI_TYPE_STRING
+ * ACPI_TYPE_BUFFER
+ * ACPI_TYPE_MUTEX
+ * ACPI_TYPE_PACKAGE
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *source_desc;
+ union acpi_operand_object *obj_desc = NULL;
+ struct acpi_namespace_node *node;
+ acpi_object_type entry_type;
+
+ ACPI_FUNCTION_TRACE(ex_resolve_node_to_value);
+
+ /*
+ * The stack pointer points to a struct acpi_namespace_node (Node). Get the
+ * object that is attached to the Node.
+ */
+ node = *object_ptr;
+ source_desc = acpi_ns_get_attached_object(node);
+ entry_type = acpi_ns_get_type((acpi_handle) node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
+ node, source_desc,
+ acpi_ut_get_type_name(entry_type)));
+
+ if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) ||
+ (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
+
+ /* There is always exactly one level of indirection */
+
+ node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
+ source_desc = acpi_ns_get_attached_object(node);
+ entry_type = acpi_ns_get_type((acpi_handle) node);
+ *object_ptr = node;
+ }
+
+ /*
+ * Several object types require no further processing:
+ * 1) Device/Thermal objects don't have a "real" subobject, return the Node
+ * 2) Method locals and arguments have a pseudo-Node
+ * 3) 10/2007: Added method type to assist with Package construction.
+ */
+ if ((entry_type == ACPI_TYPE_DEVICE) ||
+ (entry_type == ACPI_TYPE_THERMAL) ||
+ (entry_type == ACPI_TYPE_METHOD) ||
+ (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (!source_desc) {
+ ACPI_ERROR((AE_INFO, "No object attached to node [%4.4s] %p",
+ node->name.ascii, node));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ /*
+ * Action is based on the type of the Node, which indicates the type
+ * of the attached object or pointer
+ */
+ switch (entry_type) {
+ case ACPI_TYPE_PACKAGE:
+
+ if (source_desc->common.type != ACPI_TYPE_PACKAGE) {
+ ACPI_ERROR((AE_INFO, "Object not a Package, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ status = acpi_ds_get_package_arguments(source_desc);
+ if (ACPI_SUCCESS(status)) {
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ if (source_desc->common.type != ACPI_TYPE_BUFFER) {
+ ACPI_ERROR((AE_INFO, "Object not a Buffer, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ status = acpi_ds_get_buffer_arguments(source_desc);
+ if (ACPI_SUCCESS(status)) {
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ }
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ if (source_desc->common.type != ACPI_TYPE_STRING) {
+ ACPI_ERROR((AE_INFO, "Object not a String, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ if (source_desc->common.type != ACPI_TYPE_INTEGER) {
+ ACPI_ERROR((AE_INFO, "Object not a Integer, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "FieldRead Node=%p SourceDesc=%p Type=%X\n",
+ node, source_desc, entry_type));
+
+ status =
+ acpi_ex_read_data_from_field(walk_state, source_desc,
+ &obj_desc);
+ break;
+
+ /* For these objects, just return the object attached to the Node */
+
+ case ACPI_TYPE_MUTEX:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_EVENT:
+ case ACPI_TYPE_REGION:
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ break;
+
+ /* TYPE_ANY is untyped, and thus there is no object associated with it */
+
+ case ACPI_TYPE_ANY:
+
+ ACPI_ERROR((AE_INFO,
+ "Untyped entry %p, no attached object!", node));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ switch (source_desc->reference.class) {
+ case ACPI_REFCLASS_TABLE: /* This is a ddb_handle */
+ case ACPI_REFCLASS_REFOF:
+ case ACPI_REFCLASS_INDEX:
+
+ /* Return an additional reference to the object */
+
+ obj_desc = source_desc;
+ acpi_ut_add_reference(obj_desc);
+ break;
+
+ default:
+
+ /* No named references are allowed here */
+
+ ACPI_ERROR((AE_INFO,
+ "Unsupported Reference type 0x%X",
+ source_desc->reference.class));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ break;
+
+ default:
+
+ /* Default case is for unknown types */
+
+ ACPI_ERROR((AE_INFO,
+ "Node %p - Unknown object type 0x%X",
+ node, entry_type));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+
+ } /* switch (entry_type) */
+
+ /* Return the object descriptor */
+
+ *object_ptr = (void *)obj_desc;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
new file mode 100644
index 00000000000..3cde553bcbe
--- /dev/null
+++ b/drivers/acpi/acpica/exresolv.c
@@ -0,0 +1,554 @@
+/******************************************************************************
+ *
+ * Module Name: exresolv - AML Interpreter object resolution
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exresolv")
+
+/* Local prototypes */
+static acpi_status
+acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
+ struct acpi_walk_state *walk_state);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_to_value
+ *
+ * PARAMETERS: **stack_ptr - Points to entry on obj_stack, which can
+ * be either an (union acpi_operand_object *)
+ * or an acpi_handle.
+ * walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert Reference objects to values
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_resolve_to_value, stack_ptr);
+
+ if (!stack_ptr || !*stack_ptr) {
+ ACPI_ERROR((AE_INFO, "Internal - null pointer"));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ /*
+ * The entity pointed to by the stack_ptr can be either
+ * 1) A valid union acpi_operand_object, or
+ * 2) A struct acpi_namespace_node (named_obj)
+ */
+ if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_OPERAND) {
+ status = acpi_ex_resolve_object_to_value(stack_ptr, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (!*stack_ptr) {
+ ACPI_ERROR((AE_INFO, "Internal - null pointer"));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+ }
+
+ /*
+ * Object on the stack may have changed if acpi_ex_resolve_object_to_value()
+ * was called (i.e., we can't use an _else_ here.)
+ */
+ if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_NAMED) {
+ status =
+ acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
+ (struct acpi_namespace_node,
+ stack_ptr), walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Resolved object %p\n", *stack_ptr));
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_object_to_value
+ *
+ * PARAMETERS: stack_ptr - Pointer to an internal object
+ * walk_state - Current method state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieve the value from an internal object. The Reference type
+ * uses the associated AML opcode to determine the value.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *stack_desc;
+ union acpi_operand_object *obj_desc = NULL;
+ u8 ref_type;
+
+ ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
+
+ stack_desc = *stack_ptr;
+
+ /* This is an object of type union acpi_operand_object */
+
+ switch (stack_desc->common.type) {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ ref_type = stack_desc->reference.class;
+
+ switch (ref_type) {
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_ARG:
+ /*
+ * Get the local from the method's state info
+ * Note: this increments the local's object reference count
+ */
+ status = acpi_ds_method_data_get_value(ref_type,
+ stack_desc->
+ reference.value,
+ walk_state,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Arg/Local %X] ValueObj is %p\n",
+ stack_desc->reference.value,
+ obj_desc));
+
+ /*
+ * Now we can delete the original Reference Object and
+ * replace it with the resolved value
+ */
+ acpi_ut_remove_reference(stack_desc);
+ *stack_ptr = obj_desc;
+ break;
+
+ case ACPI_REFCLASS_INDEX:
+
+ switch (stack_desc->reference.target_type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ /* Just return - do not dereference */
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ /* If method call or copy_object - do not dereference */
+
+ if ((walk_state->opcode ==
+ AML_INT_METHODCALL_OP)
+ || (walk_state->opcode == AML_COPY_OP)) {
+ break;
+ }
+
+ /* Otherwise, dereference the package_index to a package element */
+
+ obj_desc = *stack_desc->reference.where;
+ if (obj_desc) {
+ /*
+ * Valid object descriptor, copy pointer to return value
+ * (i.e., dereference the package index)
+ * Delete the ref object, increment the returned object
+ */
+ acpi_ut_remove_reference(stack_desc);
+ acpi_ut_add_reference(obj_desc);
+ *stack_ptr = obj_desc;
+ } else {
+ /*
+ * A NULL object descriptor means an uninitialized element of
+ * the package, can't dereference it
+ */
+ ACPI_ERROR((AE_INFO,
+ "Attempt to dereference an Index to NULL package element Idx=%p",
+ stack_desc));
+ status = AE_AML_UNINITIALIZED_ELEMENT;
+ }
+ break;
+
+ default:
+
+ /* Invalid reference object */
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown TargetType 0x%X in Index/Reference object %p",
+ stack_desc->reference.target_type,
+ stack_desc));
+ status = AE_AML_INTERNAL;
+ break;
+ }
+ break;
+
+ case ACPI_REFCLASS_REFOF:
+ case ACPI_REFCLASS_DEBUG:
+ case ACPI_REFCLASS_TABLE:
+
+ /* Just leave the object as-is, do not dereference */
+
+ break;
+
+ case ACPI_REFCLASS_NAME: /* Reference to a named object */
+
+ /* Dereference the name */
+
+ if ((stack_desc->reference.node->type ==
+ ACPI_TYPE_DEVICE)
+ || (stack_desc->reference.node->type ==
+ ACPI_TYPE_THERMAL)) {
+
+ /* These node types do not have 'real' subobjects */
+
+ *stack_ptr = (void *)stack_desc->reference.node;
+ } else {
+ /* Get the object pointed to by the namespace node */
+
+ *stack_ptr =
+ (stack_desc->reference.node)->object;
+ acpi_ut_add_reference(*stack_ptr);
+ }
+
+ acpi_ut_remove_reference(stack_desc);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown Reference type 0x%X in %p",
+ ref_type, stack_desc));
+ status = AE_AML_INTERNAL;
+ break;
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ status = acpi_ds_get_buffer_arguments(stack_desc);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ status = acpi_ds_get_package_arguments(stack_desc);
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "FieldRead SourceDesc=%p Type=%X\n",
+ stack_desc, stack_desc->common.type));
+
+ status =
+ acpi_ex_read_data_from_field(walk_state, stack_desc,
+ &obj_desc);
+
+ /* Remove a reference to the original operand, then override */
+
+ acpi_ut_remove_reference(*stack_ptr);
+ *stack_ptr = (void *)obj_desc;
+ break;
+
+ default:
+
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_multiple
+ *
+ * PARAMETERS: walk_state - Current state (contains AML opcode)
+ * operand - Starting point for resolution
+ * return_type - Where the object type is returned
+ * return_desc - Where the resolved object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Return the base object and type. Traverse a reference list if
+ * necessary to get to the base object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
+ union acpi_operand_object *operand,
+ acpi_object_type * return_type,
+ union acpi_operand_object **return_desc)
+{
+ union acpi_operand_object *obj_desc = (void *)operand;
+ struct acpi_namespace_node *node;
+ acpi_object_type type;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_ex_resolve_multiple);
+
+ /* Operand can be either a namespace node or an operand descriptor */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
+ case ACPI_DESC_TYPE_OPERAND:
+
+ type = obj_desc->common.type;
+ break;
+
+ case ACPI_DESC_TYPE_NAMED:
+
+ type = ((struct acpi_namespace_node *)obj_desc)->type;
+ obj_desc =
+ acpi_ns_get_attached_object((struct acpi_namespace_node *)
+ obj_desc);
+
+ /* If we had an Alias node, use the attached object for type info */
+
+ if (type == ACPI_TYPE_LOCAL_ALIAS) {
+ type = ((struct acpi_namespace_node *)obj_desc)->type;
+ obj_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node *)
+ obj_desc);
+ }
+ break;
+
+ default:
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* If type is anything other than a reference, we are done */
+
+ if (type != ACPI_TYPE_LOCAL_REFERENCE) {
+ goto exit;
+ }
+
+ /*
+ * For reference objects created via the ref_of, Index, or Load/load_table
+ * operators, we need to get to the base object (as per the ACPI
+ * specification of the object_type and size_of operators). This means
+ * traversing the list of possibly many nested references.
+ */
+ while (obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
+ switch (obj_desc->reference.class) {
+ case ACPI_REFCLASS_REFOF:
+ case ACPI_REFCLASS_NAME:
+
+ /* Dereference the reference pointer */
+
+ if (obj_desc->reference.class == ACPI_REFCLASS_REFOF) {
+ node = obj_desc->reference.object;
+ } else { /* AML_INT_NAMEPATH_OP */
+
+ node = obj_desc->reference.node;
+ }
+
+ /* All "References" point to a NS node */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
+ ACPI_DESC_TYPE_NAMED) {
+ ACPI_ERROR((AE_INFO,
+ "Not a namespace node %p [%s]",
+ node,
+ acpi_ut_get_descriptor_name(node)));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /* Get the attached object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /* No object, use the NS node type */
+
+ type = acpi_ns_get_type(node);
+ goto exit;
+ }
+
+ /* Check for circular references */
+
+ if (obj_desc == operand) {
+ return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
+ }
+ break;
+
+ case ACPI_REFCLASS_INDEX:
+
+ /* Get the type of this reference (index into another object) */
+
+ type = obj_desc->reference.target_type;
+ if (type != ACPI_TYPE_PACKAGE) {
+ goto exit;
+ }
+
+ /*
+ * The main object is a package, we want to get the type
+ * of the individual package element that is referenced by
+ * the index.
+ *
+ * This could of course in turn be another reference object.
+ */
+ obj_desc = *(obj_desc->reference.where);
+ if (!obj_desc) {
+
+ /* NULL package elements are allowed */
+
+ type = 0; /* Uninitialized */
+ goto exit;
+ }
+ break;
+
+ case ACPI_REFCLASS_TABLE:
+
+ type = ACPI_TYPE_DDB_HANDLE;
+ goto exit;
+
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_ARG:
+
+ if (return_desc) {
+ status =
+ acpi_ds_method_data_get_value(obj_desc->
+ reference.
+ class,
+ obj_desc->
+ reference.
+ value,
+ walk_state,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ acpi_ut_remove_reference(obj_desc);
+ } else {
+ status =
+ acpi_ds_method_data_get_node(obj_desc->
+ reference.
+ class,
+ obj_desc->
+ reference.
+ value,
+ walk_state,
+ &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ type = ACPI_TYPE_ANY;
+ goto exit;
+ }
+ }
+ break;
+
+ case ACPI_REFCLASS_DEBUG:
+
+ /* The Debug Object is of type "DebugObject" */
+
+ type = ACPI_TYPE_DEBUG_OBJECT;
+ goto exit;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown Reference Class 0x%2.2X",
+ obj_desc->reference.class));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+ }
+
+ /*
+ * Now we are guaranteed to have an object that has not been created
+ * via the ref_of or Index operators.
+ */
+ type = obj_desc->common.type;
+
+exit:
+ /* Convert internal types to external types */
+
+ switch (type) {
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ type = ACPI_TYPE_FIELD_UNIT;
+ break;
+
+ case ACPI_TYPE_LOCAL_SCOPE:
+
+ /* Per ACPI Specification, Scope is untyped */
+
+ type = ACPI_TYPE_ANY;
+ break;
+
+ default:
+
+ /* No change to Type required */
+
+ break;
+ }
+
+ *return_type = type;
+ if (return_desc) {
+ *return_desc = obj_desc;
+ }
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
new file mode 100644
index 00000000000..3af8de3fcea
--- /dev/null
+++ b/drivers/acpi/acpica/exresop.c
@@ -0,0 +1,701 @@
+/******************************************************************************
+ *
+ * Module Name: exresop - AML Interpreter operand/object resolution
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exresop")
+
+/* Local prototypes */
+static acpi_status
+acpi_ex_check_object_type(acpi_object_type type_needed,
+ acpi_object_type this_type, void *object);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_check_object_type
+ *
+ * PARAMETERS: type_needed Object type needed
+ * this_type Actual object type
+ * Object Object pointer
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Check required type against actual type
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_check_object_type(acpi_object_type type_needed,
+ acpi_object_type this_type, void *object)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ if (type_needed == ACPI_TYPE_ANY) {
+
+ /* All types OK, so we don't perform any typechecks */
+
+ return (AE_OK);
+ }
+
+ if (type_needed == ACPI_TYPE_LOCAL_REFERENCE) {
+ /*
+ * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference
+ * objects and thus allow them to be targets. (As per the ACPI
+ * specification, a store to a constant is a noop.)
+ */
+ if ((this_type == ACPI_TYPE_INTEGER) &&
+ (((union acpi_operand_object *)object)->common.
+ flags & AOPOBJ_AML_CONSTANT)) {
+ return (AE_OK);
+ }
+ }
+
+ if (type_needed != this_type) {
+ ACPI_ERROR((AE_INFO,
+ "Needed type [%s], found [%s] %p",
+ acpi_ut_get_type_name(type_needed),
+ acpi_ut_get_type_name(this_type), object));
+
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_operands
+ *
+ * PARAMETERS: opcode - Opcode being interpreted
+ * stack_ptr - Pointer to the operand stack to be
+ * resolved
+ * walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert multiple input operands to the types required by the
+ * target operator.
+ *
+ * Each 5-bit group in arg_types represents one required
+ * operand and indicates the required Type. The corresponding operand
+ * will be converted to the required type if possible, otherwise we
+ * abort with an exception.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_resolve_operands(u16 opcode,
+ union acpi_operand_object ** stack_ptr,
+ struct acpi_walk_state * walk_state)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status = AE_OK;
+ u8 object_type;
+ u32 arg_types;
+ const struct acpi_opcode_info *op_info;
+ u32 this_arg_type;
+ acpi_object_type type_needed;
+ u16 target_op = 0;
+
+ ACPI_FUNCTION_TRACE_U32(ex_resolve_operands, opcode);
+
+ op_info = acpi_ps_get_opcode_info(opcode);
+ if (op_info->class == AML_CLASS_UNKNOWN) {
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
+ }
+
+ arg_types = op_info->runtime_args;
+ if (arg_types == ARGI_INVALID_OPCODE) {
+ ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", opcode));
+
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Opcode %X [%s] RequiredOperandTypes=%8.8X\n",
+ opcode, op_info->name, arg_types));
+
+ /*
+ * Normal exit is with (arg_types == 0) at end of argument list.
+ * Function will return an exception from within the loop upon
+ * finding an entry which is not (or cannot be converted
+ * to) the required type; if stack underflows; or upon
+ * finding a NULL stack entry (which should not happen).
+ */
+ while (GET_CURRENT_ARG_TYPE(arg_types)) {
+ if (!stack_ptr || !*stack_ptr) {
+ ACPI_ERROR((AE_INFO, "Null stack entry at %p",
+ stack_ptr));
+
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
+
+ /* Extract useful items */
+
+ obj_desc = *stack_ptr;
+
+ /* Decode the descriptor type */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
+ case ACPI_DESC_TYPE_NAMED:
+
+ /* Namespace Node */
+
+ object_type =
+ ((struct acpi_namespace_node *)obj_desc)->type;
+
+ /*
+ * Resolve an alias object. The construction of these objects
+ * guarantees that there is only one level of alias indirection;
+ * thus, the attached object is always the aliased namespace node
+ */
+ if (object_type == ACPI_TYPE_LOCAL_ALIAS) {
+ obj_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node
+ *)obj_desc);
+ *stack_ptr = obj_desc;
+ object_type =
+ ((struct acpi_namespace_node *)obj_desc)->
+ type;
+ }
+ break;
+
+ case ACPI_DESC_TYPE_OPERAND:
+
+ /* ACPI internal object */
+
+ object_type = obj_desc->common.type;
+
+ /* Check for bad acpi_object_type */
+
+ if (!acpi_ut_valid_object_type(object_type)) {
+ ACPI_ERROR((AE_INFO,
+ "Bad operand object type [0x%X]",
+ object_type));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
+
+ /* Validate the Reference */
+
+ switch (obj_desc->reference.class) {
+ case ACPI_REFCLASS_DEBUG:
+
+ target_op = AML_DEBUG_OP;
+
+ /*lint -fallthrough */
+
+ case ACPI_REFCLASS_ARG:
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_INDEX:
+ case ACPI_REFCLASS_REFOF:
+ case ACPI_REFCLASS_TABLE: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
+ case ACPI_REFCLASS_NAME: /* Reference to a named object */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Operand is a Reference, Class [%s] %2.2X\n",
+ acpi_ut_get_reference_name
+ (obj_desc),
+ obj_desc->reference.
+ class));
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown Reference Class 0x%2.2X in %p",
+ obj_desc->reference.class,
+ obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ }
+ break;
+
+ default:
+
+ /* Invalid descriptor */
+
+ ACPI_ERROR((AE_INFO, "Invalid descriptor %p [%s]",
+ obj_desc,
+ acpi_ut_get_descriptor_name(obj_desc)));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Get one argument type, point to the next */
+
+ this_arg_type = GET_CURRENT_ARG_TYPE(arg_types);
+ INCREMENT_ARG_LIST(arg_types);
+
+ /*
+ * Handle cases where the object does not need to be
+ * resolved to a value
+ */
+ switch (this_arg_type) {
+ case ARGI_REF_OR_STRING: /* Can be a String or Reference */
+
+ if ((ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
+ ACPI_DESC_TYPE_OPERAND)
+ && (obj_desc->common.type == ACPI_TYPE_STRING)) {
+ /*
+ * String found - the string references a named object and
+ * must be resolved to a node
+ */
+ goto next_operand;
+ }
+
+ /*
+ * Else not a string - fall through to the normal Reference
+ * case below
+ */
+ /*lint -fallthrough */
+
+ case ARGI_REFERENCE: /* References: */
+ case ARGI_INTEGER_REF:
+ case ARGI_OBJECT_REF:
+ case ARGI_DEVICE_REF:
+ case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
+ case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
+ case ARGI_SIMPLE_TARGET: /* Name, Local, or arg - no implicit conversion */
+ /*
+ * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
+ * A Namespace Node is OK as-is
+ */
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
+ ACPI_DESC_TYPE_NAMED) {
+ goto next_operand;
+ }
+
+ status =
+ acpi_ex_check_object_type(ACPI_TYPE_LOCAL_REFERENCE,
+ object_type, obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ goto next_operand;
+
+ case ARGI_DATAREFOBJ: /* Store operator only */
+ /*
+ * We don't want to resolve index_op reference objects during
+ * a store because this would be an implicit de_ref_of operation.
+ * Instead, we just want to store the reference object.
+ * -- All others must be resolved below.
+ */
+ if ((opcode == AML_STORE_OP) &&
+ ((*stack_ptr)->common.type ==
+ ACPI_TYPE_LOCAL_REFERENCE)
+ && ((*stack_ptr)->reference.class ==
+ ACPI_REFCLASS_INDEX)) {
+ goto next_operand;
+ }
+ break;
+
+ default:
+
+ /* All cases covered above */
+
+ break;
+ }
+
+ /*
+ * Resolve this object to a value
+ */
+ status = acpi_ex_resolve_to_value(stack_ptr, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the resolved object */
+
+ obj_desc = *stack_ptr;
+
+ /*
+ * Check the resulting object (value) type
+ */
+ switch (this_arg_type) {
+ /*
+ * For the simple cases, only one type of resolved object
+ * is allowed
+ */
+ case ARGI_MUTEX:
+
+ /* Need an operand of type ACPI_TYPE_MUTEX */
+
+ type_needed = ACPI_TYPE_MUTEX;
+ break;
+
+ case ARGI_EVENT:
+
+ /* Need an operand of type ACPI_TYPE_EVENT */
+
+ type_needed = ACPI_TYPE_EVENT;
+ break;
+
+ case ARGI_PACKAGE: /* Package */
+
+ /* Need an operand of type ACPI_TYPE_PACKAGE */
+
+ type_needed = ACPI_TYPE_PACKAGE;
+ break;
+
+ case ARGI_ANYTYPE:
+
+ /* Any operand type will do */
+
+ type_needed = ACPI_TYPE_ANY;
+ break;
+
+ case ARGI_DDBHANDLE:
+
+ /* Need an operand of type ACPI_TYPE_DDB_HANDLE */
+
+ type_needed = ACPI_TYPE_LOCAL_REFERENCE;
+ break;
+
+ /*
+ * The more complex cases allow multiple resolved object types
+ */
+ case ARGI_INTEGER:
+
+ /*
+ * Need an operand of type ACPI_TYPE_INTEGER,
+ * But we can implicitly convert from a STRING or BUFFER
+ * aka - "Implicit Source Operand Conversion"
+ */
+ status =
+ acpi_ex_convert_to_integer(obj_desc, stack_ptr, 16);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_TYPE) {
+ ACPI_ERROR((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS(status);
+ }
+
+ if (obj_desc != *stack_ptr) {
+ acpi_ut_remove_reference(obj_desc);
+ }
+ goto next_operand;
+
+ case ARGI_BUFFER:
+ /*
+ * Need an operand of type ACPI_TYPE_BUFFER,
+ * But we can implicitly convert from a STRING or INTEGER
+ * aka - "Implicit Source Operand Conversion"
+ */
+ status = acpi_ex_convert_to_buffer(obj_desc, stack_ptr);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_TYPE) {
+ ACPI_ERROR((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS(status);
+ }
+
+ if (obj_desc != *stack_ptr) {
+ acpi_ut_remove_reference(obj_desc);
+ }
+ goto next_operand;
+
+ case ARGI_STRING:
+ /*
+ * Need an operand of type ACPI_TYPE_STRING,
+ * But we can implicitly convert from a BUFFER or INTEGER
+ * aka - "Implicit Source Operand Conversion"
+ */
+ status = acpi_ex_convert_to_string(obj_desc, stack_ptr,
+ ACPI_IMPLICIT_CONVERT_HEX);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_TYPE) {
+ ACPI_ERROR((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS(status);
+ }
+
+ if (obj_desc != *stack_ptr) {
+ acpi_ut_remove_reference(obj_desc);
+ }
+ goto next_operand;
+
+ case ARGI_COMPUTEDATA:
+
+ /* Need an operand of type INTEGER, STRING or BUFFER */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ default:
+ ACPI_ERROR((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ case ARGI_BUFFER_OR_STRING:
+
+ /* Need an operand of type STRING or BUFFER */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ /* Highest priority conversion is to type Buffer */
+
+ status =
+ acpi_ex_convert_to_buffer(obj_desc,
+ stack_ptr);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (obj_desc != *stack_ptr) {
+ acpi_ut_remove_reference(obj_desc);
+ }
+ break;
+
+ default:
+ ACPI_ERROR((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ case ARGI_DATAOBJECT:
+ /*
+ * ARGI_DATAOBJECT is only used by the size_of operator.
+ * Need a buffer, string, package, or ref_of reference.
+ *
+ * The only reference allowed here is a direct reference to
+ * a namespace node.
+ */
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ /* Valid operand */
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Needed [Buffer/String/Package/Reference], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ case ARGI_COMPLEXOBJ:
+
+ /* Need a buffer or package or (ACPI 2.0) String */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Needed [Buffer/String/Package], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ case ARGI_REGION_OR_BUFFER: /* Used by Load() only */
+
+ /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_REGION:
+
+ /* Valid operand */
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Needed [Region/Buffer], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ case ARGI_DATAREFOBJ:
+
+ /* Used by the Store() operator only */
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ case ACPI_TYPE_DDB_HANDLE:
+
+ /* Valid operand */
+ break;
+
+ default:
+
+ if (acpi_gbl_enable_interpreter_slack) {
+ /*
+ * Enable original behavior of Store(), allowing any and all
+ * objects as the source operand. The ACPI spec does not
+ * allow this, however.
+ */
+ break;
+ }
+
+ if (target_op == AML_DEBUG_OP) {
+
+ /* Allow store of any object to the Debug object */
+
+ break;
+ }
+
+ ACPI_ERROR((AE_INFO,
+ "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p",
+ acpi_ut_get_object_type_name
+ (obj_desc), obj_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+ goto next_operand;
+
+ default:
+
+ /* Unknown type */
+
+ ACPI_ERROR((AE_INFO,
+ "Internal - Unknown ARGI (required operand) type 0x%X",
+ this_arg_type));
+
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Make sure that the original object was resolved to the
+ * required object type (Simple cases only).
+ */
+ status = acpi_ex_check_object_type(type_needed,
+ (*stack_ptr)->common.type,
+ *stack_ptr);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+next_operand:
+ /*
+ * If more operands needed, decrement stack_ptr to point
+ * to next operand on stack
+ */
+ if (GET_CURRENT_ARG_TYPE(arg_types)) {
+ stack_ptr--;
+ }
+ }
+
+ ACPI_DUMP_OPERANDS(walk_state->operands,
+ acpi_ps_get_opcode_name(opcode),
+ walk_state->num_operands);
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
new file mode 100644
index 00000000000..daf49f7ea31
--- /dev/null
+++ b/drivers/acpi/acpica/exstore.c
@@ -0,0 +1,557 @@
+/******************************************************************************
+ *
+ * Module Name: exstore - AML Interpreter object store support
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exstore")
+
+/* Local prototypes */
+static acpi_status
+acpi_ex_store_object_to_index(union acpi_operand_object *val_desc,
+ union acpi_operand_object *dest_desc,
+ struct acpi_walk_state *walk_state);
+
+static acpi_status
+acpi_ex_store_direct_to_node(union acpi_operand_object *source_desc,
+ struct acpi_namespace_node *node,
+ struct acpi_walk_state *walk_state);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store
+ *
+ * PARAMETERS: *source_desc - Value to be stored
+ * *dest_desc - Where to store it. Must be an NS node
+ * or union acpi_operand_object of type
+ * Reference;
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Store the value described by source_desc into the location
+ * described by dest_desc. Called by various interpreter
+ * functions to store the result of an operation into
+ * the destination operand -- not just simply the actual "Store"
+ * ASL operator.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_store(union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *ref_desc = dest_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_store, dest_desc);
+
+ /* Validate parameters */
+
+ if (!source_desc || !dest_desc) {
+ ACPI_ERROR((AE_INFO, "Null parameter"));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ /* dest_desc can be either a namespace node or an ACPI object */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(dest_desc) == ACPI_DESC_TYPE_NAMED) {
+ /*
+ * Dest is a namespace node,
+ * Storing an object into a Named node.
+ */
+ status = acpi_ex_store_object_to_node(source_desc,
+ (struct
+ acpi_namespace_node *)
+ dest_desc, walk_state,
+ ACPI_IMPLICIT_CONVERSION);
+
+ return_ACPI_STATUS(status);
+ }
+
+ /* Destination object must be a Reference or a Constant object */
+
+ switch (dest_desc->common.type) {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ /* Allow stores to Constants -- a Noop as per ACPI spec */
+
+ if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*lint -fallthrough */
+
+ default:
+
+ /* Destination is not a Reference object */
+
+ ACPI_ERROR((AE_INFO,
+ "Target is not a Reference or Constant object - %s [%p]",
+ acpi_ut_get_object_type_name(dest_desc),
+ dest_desc));
+
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * Examine the Reference class. These cases are handled:
+ *
+ * 1) Store to Name (Change the object associated with a name)
+ * 2) Store to an indexed area of a Buffer or Package
+ * 3) Store to a Method Local or Arg
+ * 4) Store to the debug object
+ */
+ switch (ref_desc->reference.class) {
+ case ACPI_REFCLASS_REFOF:
+
+ /* Storing an object into a Name "container" */
+
+ status = acpi_ex_store_object_to_node(source_desc,
+ ref_desc->reference.
+ object, walk_state,
+ ACPI_IMPLICIT_CONVERSION);
+ break;
+
+ case ACPI_REFCLASS_INDEX:
+
+ /* Storing to an Index (pointer into a packager or buffer) */
+
+ status =
+ acpi_ex_store_object_to_index(source_desc, ref_desc,
+ walk_state);
+ break;
+
+ case ACPI_REFCLASS_LOCAL:
+ case ACPI_REFCLASS_ARG:
+
+ /* Store to a method local/arg */
+
+ status =
+ acpi_ds_store_object_to_local(ref_desc->reference.class,
+ ref_desc->reference.value,
+ source_desc, walk_state);
+ break;
+
+ case ACPI_REFCLASS_DEBUG:
+ /*
+ * Storing to the Debug object causes the value stored to be
+ * displayed and otherwise has no effect -- see ACPI Specification
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "**** Write to Debug Object: Object %p %s ****:\n\n",
+ source_desc,
+ acpi_ut_get_object_type_name(source_desc)));
+
+ ACPI_DEBUG_OBJECT(source_desc, 0, 0);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown Reference Class 0x%2.2X",
+ ref_desc->reference.class));
+ ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_INFO);
+
+ status = AE_AML_INTERNAL;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_object_to_index
+ *
+ * PARAMETERS: *source_desc - Value to be stored
+ * *dest_desc - Named object to receive the value
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Store the object to indexed Buffer or Package element
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
+ union acpi_operand_object *index_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *new_desc;
+ u8 value = 0;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ex_store_object_to_index);
+
+ /*
+ * Destination must be a reference pointer, and
+ * must point to either a buffer or a package
+ */
+ switch (index_desc->reference.target_type) {
+ case ACPI_TYPE_PACKAGE:
+ /*
+ * Storing to a package element. Copy the object and replace
+ * any existing object with the new object. No implicit
+ * conversion is performed.
+ *
+ * The object at *(index_desc->Reference.Where) is the
+ * element within the package that is to be modified.
+ * The parent package object is at index_desc->Reference.Object
+ */
+ obj_desc = *(index_desc->reference.where);
+
+ if (source_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE &&
+ source_desc->reference.class == ACPI_REFCLASS_TABLE) {
+
+ /* This is a DDBHandle, just add a reference to it */
+
+ acpi_ut_add_reference(source_desc);
+ new_desc = source_desc;
+ } else {
+ /* Normal object, copy it */
+
+ status =
+ acpi_ut_copy_iobject_to_iobject(source_desc,
+ &new_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ if (obj_desc) {
+
+ /* Decrement reference count by the ref count of the parent package */
+
+ for (i = 0; i < ((union acpi_operand_object *)
+ index_desc->reference.object)->common.
+ reference_count; i++) {
+ acpi_ut_remove_reference(obj_desc);
+ }
+ }
+
+ *(index_desc->reference.where) = new_desc;
+
+ /* Increment ref count by the ref count of the parent package-1 */
+
+ for (i = 1; i < ((union acpi_operand_object *)
+ index_desc->reference.object)->common.
+ reference_count; i++) {
+ acpi_ut_add_reference(new_desc);
+ }
+
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ /*
+ * Store into a Buffer or String (not actually a real buffer_field)
+ * at a location defined by an Index.
+ *
+ * The first 8-bit element of the source object is written to the
+ * 8-bit Buffer location defined by the Index destination object,
+ * according to the ACPI 2.0 specification.
+ */
+
+ /*
+ * Make sure the target is a Buffer or String. An error should
+ * not happen here, since the reference_object was constructed
+ * by the INDEX_OP code.
+ */
+ obj_desc = index_desc->reference.object;
+ if ((obj_desc->common.type != ACPI_TYPE_BUFFER) &&
+ (obj_desc->common.type != ACPI_TYPE_STRING)) {
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * The assignment of the individual elements will be slightly
+ * different for each source type.
+ */
+ switch (source_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ /* Use the least-significant byte of the integer */
+
+ value = (u8) (source_desc->integer.value);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_STRING:
+
+ /* Note: Takes advantage of common string/buffer fields */
+
+ value = source_desc->buffer.pointer[0];
+ break;
+
+ default:
+
+ /* All other types are invalid */
+
+ ACPI_ERROR((AE_INFO,
+ "Source must be Integer/Buffer/String type, not %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
+
+ /* Store the source value into the target buffer byte */
+
+ obj_desc->buffer.pointer[index_desc->reference.value] = value;
+ break;
+
+ default:
+ ACPI_ERROR((AE_INFO, "Target is not a Package or BufferField"));
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_object_to_node
+ *
+ * PARAMETERS: source_desc - Value to be stored
+ * node - Named object to receive the value
+ * walk_state - Current walk state
+ * implicit_conversion - Perform implicit conversion (yes/no)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Store the object to the named object.
+ *
+ * The Assignment of an object to a named object is handled here
+ * The value passed in will replace the current value (if any)
+ * with the input value.
+ *
+ * When storing into an object the data is converted to the
+ * target object type then stored in the object. This means
+ * that the target object type (for an initialized target) will
+ * not be changed by a store operation. A copy_object can change
+ * the target type, however.
+ *
+ * The implicit_conversion flag is set to NO/FALSE only when
+ * storing to an arg_x -- as per the rules of the ACPI spec.
+ *
+ * Assumes parameters are already validated.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
+ struct acpi_namespace_node *node,
+ struct acpi_walk_state *walk_state,
+ u8 implicit_conversion)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *target_desc;
+ union acpi_operand_object *new_desc;
+ acpi_object_type target_type;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_node, source_desc);
+
+ /* Get current type of the node, and object attached to Node */
+
+ target_type = acpi_ns_get_type(node);
+ target_desc = acpi_ns_get_attached_object(node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Storing %p (%s) to node %p (%s)\n",
+ source_desc,
+ acpi_ut_get_object_type_name(source_desc), node,
+ acpi_ut_get_type_name(target_type)));
+
+ /*
+ * Resolve the source object to an actual value
+ * (If it is a reference object)
+ */
+ status = acpi_ex_resolve_object(&source_desc, target_type, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Do the actual store operation */
+
+ switch (target_type) {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ /*
+ * The simple data types all support implicit source operand
+ * conversion before the store.
+ */
+
+ if ((walk_state->opcode == AML_COPY_OP) || !implicit_conversion) {
+ /*
+ * However, copy_object and Stores to arg_x do not perform
+ * an implicit conversion, as per the ACPI specification.
+ * A direct store is performed instead.
+ */
+ status = acpi_ex_store_direct_to_node(source_desc, node,
+ walk_state);
+ break;
+ }
+
+ /* Store with implicit source operand conversion support */
+
+ status =
+ acpi_ex_store_object_to_object(source_desc, target_desc,
+ &new_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (new_desc != target_desc) {
+ /*
+ * Store the new new_desc as the new value of the Name, and set
+ * the Name's type to that of the value being stored in it.
+ * source_desc reference count is incremented by attach_object.
+ *
+ * Note: This may change the type of the node if an explicit
+ * store has been performed such that the node/object type
+ * has been changed.
+ */
+ status = acpi_ns_attach_object(node, new_desc,
+ new_desc->common.type);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Store %s into %s via Convert/Attach\n",
+ acpi_ut_get_object_type_name
+ (source_desc),
+ acpi_ut_get_object_type_name
+ (new_desc)));
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ /*
+ * For all fields, always write the source data to the target
+ * field. Any required implicit source operand conversion is
+ * performed in the function below as necessary. Note, field
+ * objects must retain their original type permanently.
+ */
+ status = acpi_ex_write_data_to_field(source_desc, target_desc,
+ &walk_state->result_obj);
+ break;
+
+ default:
+ /*
+ * No conversions for all other types. Directly store a copy of
+ * the source object. This is the ACPI spec-defined behavior for
+ * the copy_object operator.
+ *
+ * NOTE: For the Store operator, this is a departure from the
+ * ACPI spec, which states "If conversion is impossible, abort
+ * the running control method". Instead, this code implements
+ * "If conversion is impossible, treat the Store operation as
+ * a CopyObject".
+ */
+ status = acpi_ex_store_direct_to_node(source_desc, node,
+ walk_state);
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_direct_to_node
+ *
+ * PARAMETERS: source_desc - Value to be stored
+ * node - Named object to receive the value
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: "Store" an object directly to a node. This involves a copy
+ * and an attach.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_store_direct_to_node(union acpi_operand_object *source_desc,
+ struct acpi_namespace_node *node,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_operand_object *new_desc;
+
+ ACPI_FUNCTION_TRACE(ex_store_direct_to_node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Storing [%s] (%p) directly into node [%s] (%p)"
+ " with no implicit conversion\n",
+ acpi_ut_get_object_type_name(source_desc),
+ source_desc, acpi_ut_get_type_name(node->type),
+ node));
+
+ /* Copy the source object to a new object */
+
+ status =
+ acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Attach the new object to the node */
+
+ status = acpi_ns_attach_object(node, new_desc, new_desc->common.type);
+ acpi_ut_remove_reference(new_desc);
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c
new file mode 100644
index 00000000000..04bd16c08f9
--- /dev/null
+++ b/drivers/acpi/acpica/exstoren.c
@@ -0,0 +1,294 @@
+/******************************************************************************
+ *
+ * Module Name: exstoren - AML Interpreter object store support,
+ * Store to Node (namespace object)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exstoren")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_resolve_object
+ *
+ * PARAMETERS: source_desc_ptr - Pointer to the source object
+ * target_type - Current type of the target
+ * walk_state - Current walk state
+ *
+ * RETURN: Status, resolved object in source_desc_ptr.
+ *
+ * DESCRIPTION: Resolve an object. If the object is a reference, dereference
+ * it and return the actual object in the source_desc_ptr.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
+ acpi_object_type target_type,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *source_desc = *source_desc_ptr;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_resolve_object);
+
+ /* Ensure we have a Target that can be stored to */
+
+ switch (target_type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ /*
+ * These cases all require only Integers or values that
+ * can be converted to Integers (Strings or Buffers)
+ */
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ /*
+ * Stores into a Field/Region or into a Integer/Buffer/String
+ * are all essentially the same. This case handles the
+ * "interchangeable" types Integer, String, and Buffer.
+ */
+ if (source_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
+
+ /* Resolve a reference object first */
+
+ status =
+ acpi_ex_resolve_to_value(source_desc_ptr,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ }
+
+ /* For copy_object, no further validation necessary */
+
+ if (walk_state->opcode == AML_COPY_OP) {
+ break;
+ }
+
+ /* Must have a Integer, Buffer, or String */
+
+ if ((source_desc->common.type != ACPI_TYPE_INTEGER) &&
+ (source_desc->common.type != ACPI_TYPE_BUFFER) &&
+ (source_desc->common.type != ACPI_TYPE_STRING) &&
+ !((source_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
+ (source_desc->reference.class == ACPI_REFCLASS_TABLE))) {
+
+ /* Conversion successful but still not a valid type */
+
+ ACPI_ERROR((AE_INFO,
+ "Cannot assign type %s to %s (must be type Int/Str/Buf)",
+ acpi_ut_get_object_type_name(source_desc),
+ acpi_ut_get_type_name(target_type)));
+ status = AE_AML_OPERAND_TYPE;
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_ALIAS:
+ case ACPI_TYPE_LOCAL_METHOD_ALIAS:
+ /*
+ * All aliases should have been resolved earlier, during the
+ * operand resolution phase.
+ */
+ ACPI_ERROR((AE_INFO, "Store into an unresolved Alias object"));
+ status = AE_AML_INTERNAL;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ default:
+ /*
+ * All other types than Alias and the various Fields come here,
+ * including the untyped case - ACPI_TYPE_ANY.
+ */
+ break;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_object_to_object
+ *
+ * PARAMETERS: source_desc - Object to store
+ * dest_desc - Object to receive a copy of the source
+ * new_desc - New object if dest_desc is obsoleted
+ * walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: "Store" an object to another object. This may include
+ * converting the source type to the target type (implicit
+ * conversion), and a copy of the value of the source to
+ * the target.
+ *
+ * The Assignment of an object to another (not named) object
+ * is handled here.
+ * The Source passed in will replace the current value (if any)
+ * with the input value.
+ *
+ * When storing into an object the data is converted to the
+ * target object type then stored in the object. This means
+ * that the target object type (for an initialized target) will
+ * not be changed by a store operation.
+ *
+ * This module allows destination types of Number, String,
+ * Buffer, and Package.
+ *
+ * Assumes parameters are already validated. NOTE: source_desc
+ * resolution (from a reference object) must be performed by
+ * the caller if necessary.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc,
+ union acpi_operand_object **new_desc,
+ struct acpi_walk_state *walk_state)
+{
+ union acpi_operand_object *actual_src_desc;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_object, source_desc);
+
+ actual_src_desc = source_desc;
+ if (!dest_desc) {
+ /*
+ * There is no destination object (An uninitialized node or
+ * package element), so we can simply copy the source object
+ * creating a new destination object
+ */
+ status =
+ acpi_ut_copy_iobject_to_iobject(actual_src_desc, new_desc,
+ walk_state);
+ return_ACPI_STATUS(status);
+ }
+
+ if (source_desc->common.type != dest_desc->common.type) {
+ /*
+ * The source type does not match the type of the destination.
+ * Perform the "implicit conversion" of the source to the current type
+ * of the target as per the ACPI specification.
+ *
+ * If no conversion performed, actual_src_desc = source_desc.
+ * Otherwise, actual_src_desc is a temporary object to hold the
+ * converted object.
+ */
+ status = acpi_ex_convert_to_target_type(dest_desc->common.type,
+ source_desc,
+ &actual_src_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (source_desc == actual_src_desc) {
+ /*
+ * No conversion was performed. Return the source_desc as the
+ * new object.
+ */
+ *new_desc = source_desc;
+ return_ACPI_STATUS(AE_OK);
+ }
+ }
+
+ /*
+ * We now have two objects of identical types, and we can perform a
+ * copy of the *value* of the source object.
+ */
+ switch (dest_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+
+ dest_desc->integer.value = actual_src_desc->integer.value;
+
+ /* Truncate value if we are executing from a 32-bit ACPI table */
+
+ (void)acpi_ex_truncate_for32bit_table(dest_desc);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ status =
+ acpi_ex_store_string_to_string(actual_src_desc, dest_desc);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ status =
+ acpi_ex_store_buffer_to_buffer(actual_src_desc, dest_desc);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ status =
+ acpi_ut_copy_iobject_to_iobject(actual_src_desc, &dest_desc,
+ walk_state);
+ break;
+
+ default:
+ /*
+ * All other types come here.
+ */
+ ACPI_WARNING((AE_INFO, "Store into type %s not implemented",
+ acpi_ut_get_object_type_name(dest_desc)));
+
+ status = AE_NOT_IMPLEMENTED;
+ break;
+ }
+
+ if (actual_src_desc != source_desc) {
+
+ /* Delete the intermediate (temporary) source object */
+
+ acpi_ut_remove_reference(actual_src_desc);
+ }
+
+ *new_desc = dest_desc;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
new file mode 100644
index 00000000000..fd11018b016
--- /dev/null
+++ b/drivers/acpi/acpica/exstorob.c
@@ -0,0 +1,220 @@
+/******************************************************************************
+ *
+ * Module Name: exstorob - AML Interpreter object store support, store to object
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exstorob")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_buffer_to_buffer
+ *
+ * PARAMETERS: source_desc - Source object to copy
+ * target_desc - Destination object of the copy
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy a buffer object to another buffer object.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc)
+{
+ u32 length;
+ u8 *buffer;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
+
+ /* If Source and Target are the same, just return */
+
+ if (source_desc == target_desc) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* We know that source_desc is a buffer by now */
+
+ buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer);
+ length = source_desc->buffer.length;
+
+ /*
+ * If target is a buffer of length zero or is a static buffer,
+ * allocate a new buffer of the proper length
+ */
+ if ((target_desc->buffer.length == 0) ||
+ (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
+ target_desc->buffer.pointer = ACPI_ALLOCATE(length);
+ if (!target_desc->buffer.pointer) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ target_desc->buffer.length = length;
+ }
+
+ /* Copy source buffer to target buffer */
+
+ if (length <= target_desc->buffer.length) {
+
+ /* Clear existing buffer and copy in the new one */
+
+ ACPI_MEMSET(target_desc->buffer.pointer, 0,
+ target_desc->buffer.length);
+ ACPI_MEMCPY(target_desc->buffer.pointer, buffer, length);
+
+#ifdef ACPI_OBSOLETE_BEHAVIOR
+ /*
+ * NOTE: ACPI versions up to 3.0 specified that the buffer must be
+ * truncated if the string is smaller than the buffer. However, "other"
+ * implementations of ACPI never did this and thus became the defacto
+ * standard. ACPI 3.0A changes this behavior such that the buffer
+ * is no longer truncated.
+ */
+
+ /*
+ * OBSOLETE BEHAVIOR:
+ * If the original source was a string, we must truncate the buffer,
+ * according to the ACPI spec. Integer-to-Buffer and Buffer-to-Buffer
+ * copy must not truncate the original buffer.
+ */
+ if (original_src_type == ACPI_TYPE_STRING) {
+
+ /* Set the new length of the target */
+
+ target_desc->buffer.length = length;
+ }
+#endif
+ } else {
+ /* Truncate the source, copy only what will fit */
+
+ ACPI_MEMCPY(target_desc->buffer.pointer, buffer,
+ target_desc->buffer.length);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Truncating source buffer from %X to %X\n",
+ length, target_desc->buffer.length));
+ }
+
+ /* Copy flags */
+
+ target_desc->buffer.flags = source_desc->buffer.flags;
+ target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_store_string_to_string
+ *
+ * PARAMETERS: source_desc - Source object to copy
+ * target_desc - Destination object of the copy
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy a String object to another String object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
+ union acpi_operand_object *target_desc)
+{
+ u32 length;
+ u8 *buffer;
+
+ ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
+
+ /* If Source and Target are the same, just return */
+
+ if (source_desc == target_desc) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* We know that source_desc is a string by now */
+
+ buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer);
+ length = source_desc->string.length;
+
+ /*
+ * Replace existing string value if it will fit and the string
+ * pointer is not a static pointer (part of an ACPI table)
+ */
+ if ((length < target_desc->string.length) &&
+ (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+ /*
+ * String will fit in existing non-static buffer.
+ * Clear old string and copy in the new one
+ */
+ ACPI_MEMSET(target_desc->string.pointer, 0,
+ (acpi_size) target_desc->string.length + 1);
+ ACPI_MEMCPY(target_desc->string.pointer, buffer, length);
+ } else {
+ /*
+ * Free the current buffer, then allocate a new buffer
+ * large enough to hold the value
+ */
+ if (target_desc->string.pointer &&
+ (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+
+ /* Only free if not a pointer into the DSDT */
+
+ ACPI_FREE(target_desc->string.pointer);
+ }
+
+ target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size)
+ length + 1);
+ if (!target_desc->string.pointer) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
+ ACPI_MEMCPY(target_desc->string.pointer, buffer, length);
+ }
+
+ /* Set the new target length */
+
+ target_desc->string.length = length;
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
new file mode 100644
index 00000000000..f7da64123ed
--- /dev/null
+++ b/drivers/acpi/acpica/exsystem.c
@@ -0,0 +1,310 @@
+/******************************************************************************
+ *
+ * Module Name: exsystem - Interface to OS services
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exsystem")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_wait_semaphore
+ *
+ * PARAMETERS: semaphore - Semaphore to wait on
+ * timeout - Max time to wait
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Implements a semaphore wait with a check to see if the
+ * semaphore is available immediately. If it is not, the
+ * interpreter is released before waiting.
+ *
+ ******************************************************************************/
+acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
+
+ status = acpi_os_wait_semaphore(semaphore, 1, ACPI_DO_NOT_WAIT);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (status == AE_TIME) {
+
+ /* We must wait, so unlock the interpreter */
+
+ acpi_ex_exit_interpreter();
+
+ status = acpi_os_wait_semaphore(semaphore, 1, timeout);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "*** Thread awake after blocking, %s\n",
+ acpi_format_exception(status)));
+
+ /* Reacquire the interpreter */
+
+ acpi_ex_enter_interpreter();
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_wait_mutex
+ *
+ * PARAMETERS: mutex - Mutex to wait on
+ * timeout - Max time to wait
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Implements a mutex wait with a check to see if the
+ * mutex is available immediately. If it is not, the
+ * interpreter is released before waiting.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
+
+ status = acpi_os_acquire_mutex(mutex, ACPI_DO_NOT_WAIT);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (status == AE_TIME) {
+
+ /* We must wait, so unlock the interpreter */
+
+ acpi_ex_exit_interpreter();
+
+ status = acpi_os_acquire_mutex(mutex, timeout);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "*** Thread awake after blocking, %s\n",
+ acpi_format_exception(status)));
+
+ /* Reacquire the interpreter */
+
+ acpi_ex_enter_interpreter();
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_do_stall
+ *
+ * PARAMETERS: how_long - The amount of time to stall,
+ * in microseconds
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Suspend running thread for specified amount of time.
+ * Note: ACPI specification requires that Stall() does not
+ * relinquish the processor, and delays longer than 100 usec
+ * should use Sleep() instead. We allow stalls up to 255 usec
+ * for compatibility with other interpreters and existing BIOSs.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_do_stall(u32 how_long)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (how_long > 255) { /* 255 microseconds */
+ /*
+ * Longer than 255 usec, this is an error
+ *
+ * (ACPI specifies 100 usec as max, but this gives some slack in
+ * order to support existing BIOSs)
+ */
+ ACPI_ERROR((AE_INFO, "Time parameter is too large (%u)",
+ how_long));
+ status = AE_AML_OPERAND_VALUE;
+ } else {
+ acpi_os_stall(how_long);
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_do_sleep
+ *
+ * PARAMETERS: how_long - The amount of time to sleep,
+ * in milliseconds
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Sleep the running thread for specified amount of time.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_do_sleep(u64 how_long)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Since this thread will sleep, we must release the interpreter */
+
+ acpi_ex_exit_interpreter();
+
+ /*
+ * For compatibility with other ACPI implementations and to prevent
+ * accidental deep sleeps, limit the sleep time to something reasonable.
+ */
+ if (how_long > ACPI_MAX_SLEEP) {
+ how_long = ACPI_MAX_SLEEP;
+ }
+
+ acpi_os_sleep(how_long);
+
+ /* And now we must get the interpreter again */
+
+ acpi_ex_enter_interpreter();
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_signal_event
+ *
+ * PARAMETERS: obj_desc - The object descriptor for this op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ * within the AML.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_system_signal_event);
+
+ if (obj_desc) {
+ status =
+ acpi_os_signal_semaphore(obj_desc->event.os_semaphore, 1);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_wait_event
+ *
+ * PARAMETERS: time_desc - The 'time to delay' object descriptor
+ * obj_desc - The object descriptor for this op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ * within the AML. This operation is a request to wait for an
+ * event.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_system_wait_event(union acpi_operand_object *time_desc,
+ union acpi_operand_object *obj_desc)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ex_system_wait_event);
+
+ if (obj_desc) {
+ status =
+ acpi_ex_system_wait_semaphore(obj_desc->event.os_semaphore,
+ (u16) time_desc->integer.
+ value);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_system_reset_event
+ *
+ * PARAMETERS: obj_desc - The object descriptor for this op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Reset an event to a known state.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc)
+{
+ acpi_status status = AE_OK;
+ acpi_semaphore temp_semaphore;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * We are going to simply delete the existing semaphore and
+ * create a new one!
+ */
+ status =
+ acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
+ if (ACPI_SUCCESS(status)) {
+ (void)acpi_os_delete_semaphore(obj_desc->event.os_semaphore);
+ obj_desc->event.os_semaphore = temp_semaphore;
+ }
+
+ return (status);
+}
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
new file mode 100644
index 00000000000..d9d72dff2a7
--- /dev/null
+++ b/drivers/acpi/acpica/exutils.c
@@ -0,0 +1,406 @@
+/******************************************************************************
+ *
+ * Module Name: exutils - interpreter/scanner utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+/*
+ * DEFINE_AML_GLOBALS is tested in amlcode.h
+ * to determine whether certain global names should be "defined" or only
+ * "declared" in the current compilation. This enhances maintainability
+ * by enabling a single header file to embody all knowledge of the names
+ * in question.
+ *
+ * Exactly one module of any executable should #define DEFINE_GLOBALS
+ * before #including the header files which use this convention. The
+ * names in question will be defined and initialized in that module,
+ * and declared as extern in all other modules which #include those
+ * header files.
+ */
+
+#define DEFINE_AML_GLOBALS
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_EXECUTER
+ACPI_MODULE_NAME("exutils")
+
+/* Local prototypes */
+static u32 acpi_ex_digits_needed(u64 value, u32 base);
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_enter_interpreter
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Enter the interpreter execution region. Failure to enter
+ * the interpreter region is a fatal system error. Used in
+ * conjunction with exit_interpreter.
+ *
+ ******************************************************************************/
+
+void acpi_ex_enter_interpreter(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_enter_interpreter);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not acquire AML Interpreter mutex"));
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_exit_interpreter
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Exit the interpreter execution region. This is the top level
+ * routine used to exit the interpreter when all processing has
+ * been completed, or when the method blocks.
+ *
+ * Cases where the interpreter is unlocked internally:
+ * 1) Method will be blocked on a Sleep() AML opcode
+ * 2) Method will be blocked on an Acquire() AML opcode
+ * 3) Method will be blocked on a Wait() AML opcode
+ * 4) Method will be blocked to acquire the global lock
+ * 5) Method will be blocked waiting to execute a serialized control
+ * method that is currently executing
+ * 6) About to invoke a user-installed opregion handler
+ *
+ ******************************************************************************/
+
+void acpi_ex_exit_interpreter(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_exit_interpreter);
+
+ status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not release AML Interpreter mutex"));
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_truncate_for32bit_table
+ *
+ * PARAMETERS: obj_desc - Object to be truncated
+ *
+ * RETURN: TRUE if a truncation was performed, FALSE otherwise.
+ *
+ * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
+ * 32-bit, as determined by the revision of the DSDT.
+ *
+ ******************************************************************************/
+
+u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
+{
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Object must be a valid number and we must be executing
+ * a control method. Object could be NS node for AML_INT_NAMEPATH_OP.
+ */
+ if ((!obj_desc) ||
+ (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) ||
+ (obj_desc->common.type != ACPI_TYPE_INTEGER)) {
+ return (FALSE);
+ }
+
+ if ((acpi_gbl_integer_byte_width == 4) &&
+ (obj_desc->integer.value > (u64)ACPI_UINT32_MAX)) {
+ /*
+ * We are executing in a 32-bit ACPI table.
+ * Truncate the value to 32 bits by zeroing out the upper 32-bit field
+ */
+ obj_desc->integer.value &= (u64)ACPI_UINT32_MAX;
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_acquire_global_lock
+ *
+ * PARAMETERS: field_flags - Flags with Lock rule:
+ * always_lock or never_lock
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Obtain the ACPI hardware Global Lock, only if the field
+ * flags specifiy that it is to be obtained before field access.
+ *
+ ******************************************************************************/
+
+void acpi_ex_acquire_global_lock(u32 field_flags)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_acquire_global_lock);
+
+ /* Only use the lock if the always_lock bit is set */
+
+ if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) {
+ return_VOID;
+ }
+
+ /* Attempt to get the global lock, wait forever */
+
+ status = acpi_ex_acquire_mutex_object(ACPI_WAIT_FOREVER,
+ acpi_gbl_global_lock_mutex,
+ acpi_os_get_thread_id());
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not acquire Global Lock"));
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_release_global_lock
+ *
+ * PARAMETERS: field_flags - Flags with Lock rule:
+ * always_lock or never_lock
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release the ACPI hardware Global Lock
+ *
+ ******************************************************************************/
+
+void acpi_ex_release_global_lock(u32 field_flags)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ex_release_global_lock);
+
+ /* Only use the lock if the always_lock bit is set */
+
+ if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) {
+ return_VOID;
+ }
+
+ /* Release the global lock */
+
+ status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex);
+ if (ACPI_FAILURE(status)) {
+
+ /* Report the error, but there isn't much else we can do */
+
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not release Global Lock"));
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_digits_needed
+ *
+ * PARAMETERS: value - Value to be represented
+ * base - Base of representation
+ *
+ * RETURN: The number of digits.
+ *
+ * DESCRIPTION: Calculate the number of digits needed to represent the Value
+ * in the given Base (Radix)
+ *
+ ******************************************************************************/
+
+static u32 acpi_ex_digits_needed(u64 value, u32 base)
+{
+ u32 num_digits;
+ u64 current_value;
+
+ ACPI_FUNCTION_TRACE(ex_digits_needed);
+
+ /* u64 is unsigned, so we don't worry about a '-' prefix */
+
+ if (value == 0) {
+ return_UINT32(1);
+ }
+
+ current_value = value;
+ num_digits = 0;
+
+ /* Count the digits in the requested base */
+
+ while (current_value) {
+ (void)acpi_ut_short_divide(current_value, base, &current_value,
+ NULL);
+ num_digits++;
+ }
+
+ return_UINT32(num_digits);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_eisa_id_to_string
+ *
+ * PARAMETERS: compressed_id - EISAID to be converted
+ * out_string - Where to put the converted string (8 bytes)
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert a numeric EISAID to string representation. Return
+ * buffer must be large enough to hold the string. The string
+ * returned is always exactly of length ACPI_EISAID_STRING_SIZE
+ * (includes null terminator). The EISAID is always 32 bits.
+ *
+ ******************************************************************************/
+
+void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id)
+{
+ u32 swapped_id;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* The EISAID should be a 32-bit integer */
+
+ if (compressed_id > ACPI_UINT32_MAX) {
+ ACPI_WARNING((AE_INFO,
+ "Expected EISAID is larger than 32 bits: 0x%8.8X%8.8X, truncating",
+ ACPI_FORMAT_UINT64(compressed_id)));
+ }
+
+ /* Swap ID to big-endian to get contiguous bits */
+
+ swapped_id = acpi_ut_dword_byte_swap((u32)compressed_id);
+
+ /* First 3 bytes are uppercase letters. Next 4 bytes are hexadecimal */
+
+ out_string[0] =
+ (char)(0x40 + (((unsigned long)swapped_id >> 26) & 0x1F));
+ out_string[1] = (char)(0x40 + ((swapped_id >> 21) & 0x1F));
+ out_string[2] = (char)(0x40 + ((swapped_id >> 16) & 0x1F));
+ out_string[3] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 12);
+ out_string[4] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 8);
+ out_string[5] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 4);
+ out_string[6] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 0);
+ out_string[7] = 0;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_integer_to_string
+ *
+ * PARAMETERS: out_string - Where to put the converted string. At least
+ * 21 bytes are needed to hold the largest
+ * possible 64-bit integer.
+ * value - Value to be converted
+ *
+ * RETURN: None, string
+ *
+ * DESCRIPTION: Convert a 64-bit integer to decimal string representation.
+ * Assumes string buffer is large enough to hold the string. The
+ * largest string is (ACPI_MAX64_DECIMAL_DIGITS + 1).
+ *
+ ******************************************************************************/
+
+void acpi_ex_integer_to_string(char *out_string, u64 value)
+{
+ u32 count;
+ u32 digits_needed;
+ u32 remainder;
+
+ ACPI_FUNCTION_ENTRY();
+
+ digits_needed = acpi_ex_digits_needed(value, 10);
+ out_string[digits_needed] = 0;
+
+ for (count = digits_needed; count > 0; count--) {
+ (void)acpi_ut_short_divide(value, 10, &value, &remainder);
+ out_string[count - 1] = (char)('0' + remainder);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_is_valid_space_id
+ *
+ * PARAMETERS: space_id - ID to be validated
+ *
+ * RETURN: TRUE if valid/supported ID.
+ *
+ * DESCRIPTION: Validate an operation region space_ID.
+ *
+ ******************************************************************************/
+
+u8 acpi_is_valid_space_id(u8 space_id)
+{
+
+ if ((space_id >= ACPI_NUM_PREDEFINED_REGIONS) &&
+ (space_id < ACPI_USER_REGION_BEGIN) &&
+ (space_id != ACPI_ADR_SPACE_DATA_TABLE) &&
+ (space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) {
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+#endif
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
new file mode 100644
index 00000000000..1e66d960fc1
--- /dev/null
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -0,0 +1,181 @@
+/******************************************************************************
+ *
+ * Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwacpi")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_set_mode
+ *
+ * PARAMETERS: mode - SYS_MODE_ACPI or SYS_MODE_LEGACY
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Transitions the system into the requested mode.
+ *
+ ******************************************************************************/
+acpi_status acpi_hw_set_mode(u32 mode)
+{
+
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_set_mode);
+
+ /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
+ * system does not support mode transition.
+ */
+ if (!acpi_gbl_FADT.smi_command) {
+ ACPI_ERROR((AE_INFO,
+ "No SMI_CMD in FADT, mode transition failed"));
+ return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+ }
+
+ /*
+ * ACPI 2.0 clarified the meaning of ACPI_ENABLE and ACPI_DISABLE
+ * in FADT: If it is zero, enabling or disabling is not supported.
+ * As old systems may have used zero for mode transition,
+ * we make sure both the numbers are zero to determine these
+ * transitions are not supported.
+ */
+ if (!acpi_gbl_FADT.acpi_enable && !acpi_gbl_FADT.acpi_disable) {
+ ACPI_ERROR((AE_INFO,
+ "No ACPI mode transition supported in this system "
+ "(enable/disable both zero)"));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ switch (mode) {
+ case ACPI_SYS_MODE_ACPI:
+
+ /* BIOS should have disabled ALL fixed and GP events */
+
+ status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
+ (u32) acpi_gbl_FADT.acpi_enable, 8);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Attempting to enable ACPI mode\n"));
+ break;
+
+ case ACPI_SYS_MODE_LEGACY:
+ /*
+ * BIOS should clear all fixed status bits and restore fixed event
+ * enable bits to default
+ */
+ status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
+ (u32)acpi_gbl_FADT.acpi_disable, 8);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Attempting to enable Legacy (non-ACPI) mode\n"));
+ break;
+
+ default:
+
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not write ACPI mode change"));
+ return_ACPI_STATUS(status);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_mode
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: SYS_MODE_ACPI or SYS_MODE_LEGACY
+ *
+ * DESCRIPTION: Return current operating state of system. Determined by
+ * querying the SCI_EN bit.
+ *
+ ******************************************************************************/
+
+u32 acpi_hw_get_mode(void)
+{
+ acpi_status status;
+ u32 value;
+
+ ACPI_FUNCTION_TRACE(hw_get_mode);
+
+ /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_UINT32(ACPI_SYS_MODE_ACPI);
+ }
+
+ /*
+ * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
+ * system does not support mode transition.
+ */
+ if (!acpi_gbl_FADT.smi_command) {
+ return_UINT32(ACPI_SYS_MODE_ACPI);
+ }
+
+ status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
+ if (ACPI_FAILURE(status)) {
+ return_UINT32(ACPI_SYS_MODE_LEGACY);
+ }
+
+ if (value) {
+ return_UINT32(ACPI_SYS_MODE_ACPI);
+ } else {
+ return_UINT32(ACPI_SYS_MODE_LEGACY);
+ }
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
new file mode 100644
index 00000000000..858fdd6be59
--- /dev/null
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -0,0 +1,243 @@
+/******************************************************************************
+ *
+ * Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the
+ * extended FADT-V5 sleep registers.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <linux/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwesleep")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_execute_sleep_method
+ *
+ * PARAMETERS: method_pathname - Pathname of method to execute
+ * integer_argument - Argument to pass to the method
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Execute a sleep/wake related method with one integer argument
+ * and no return value.
+ *
+ ******************************************************************************/
+void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
+{
+ struct acpi_object_list arg_list;
+ union acpi_object arg;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_execute_sleep_method);
+
+ /* One argument, integer_argument; No return value expected */
+
+ arg_list.count = 1;
+ arg_list.pointer = &arg;
+ arg.type = ACPI_TYPE_INTEGER;
+ arg.integer.value = (u64)integer_argument;
+
+ status = acpi_evaluate_object(NULL, method_pathname, &arg_list, NULL);
+ if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
+ ACPI_EXCEPTION((AE_INFO, status, "While executing method %s",
+ method_pathname));
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_extended_sleep
+ *
+ * PARAMETERS: sleep_state - Which sleep state to enter
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enter a system sleep state via the extended FADT sleep
+ * registers (V5 FADT).
+ * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_extended_sleep(u8 sleep_state)
+{
+ acpi_status status;
+ u8 sleep_type_value;
+ u64 sleep_status;
+
+ ACPI_FUNCTION_TRACE(hw_extended_sleep);
+
+ /* Extended sleep registers must be valid */
+
+ if (!acpi_gbl_FADT.sleep_control.address ||
+ !acpi_gbl_FADT.sleep_status.address) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ /* Clear wake status (WAK_STS) */
+
+ status =
+ acpi_write((u64)ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_gbl_system_awake_and_running = FALSE;
+
+ /* Flush caches, as per ACPI specification */
+
+ ACPI_FLUSH_CPU_CACHE();
+
+ status = acpi_os_prepare_extended_sleep(sleep_state,
+ acpi_gbl_sleep_type_a,
+ acpi_gbl_sleep_type_b);
+ if (ACPI_SKIP(status))
+ return_ACPI_STATUS(AE_OK);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ /*
+ * Set the SLP_TYP and SLP_EN bits.
+ *
+ * Note: We only use the first value returned by the \_Sx method
+ * (acpi_gbl_sleep_type_a) - As per ACPI specification.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "Entering sleep state [S%u]\n", sleep_state));
+
+ sleep_type_value =
+ ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) &
+ ACPI_X_SLEEP_TYPE_MASK);
+
+ status = acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE),
+ &acpi_gbl_FADT.sleep_control);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Wait for transition back to Working State */
+
+ do {
+ status = acpi_read(&sleep_status, &acpi_gbl_FADT.sleep_status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ } while (!(((u8)sleep_status) & ACPI_X_WAKE_STATUS));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_extended_wake_prep
+ *
+ * PARAMETERS: sleep_state - Which sleep state we just exited
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform first part of OS-independent ACPI cleanup after
+ * a sleep. Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
+{
+ acpi_status status;
+ u8 sleep_type_value;
+
+ ACPI_FUNCTION_TRACE(hw_extended_wake_prep);
+
+ status = acpi_get_sleep_type_data(ACPI_STATE_S0,
+ &acpi_gbl_sleep_type_a,
+ &acpi_gbl_sleep_type_b);
+ if (ACPI_SUCCESS(status)) {
+ sleep_type_value =
+ ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) &
+ ACPI_X_SLEEP_TYPE_MASK);
+
+ (void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE),
+ &acpi_gbl_FADT.sleep_control);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_extended_wake
+ *
+ * PARAMETERS: sleep_state - Which sleep state we just exited
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ * Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_extended_wake(u8 sleep_state)
+{
+ ACPI_FUNCTION_TRACE(hw_extended_wake);
+
+ /* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
+
+ acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
+
+ /* Execute the wake methods */
+
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
+
+ /*
+ * Some BIOS code assumes that WAK_STS will be cleared on resume
+ * and use it to determine whether the system is rebooting or
+ * resuming. Clear WAK_STS for compatibility.
+ */
+ (void)acpi_write((u64)ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
+ acpi_gbl_system_awake_and_running = TRUE;
+
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
new file mode 100644
index 00000000000..2e6caabba07
--- /dev/null
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -0,0 +1,483 @@
+/******************************************************************************
+ *
+ * Module Name: hwgpe - Low level GPE enable/disable/clear functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwgpe")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/* Local prototypes */
+static acpi_status
+acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context);
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_gpe_register_bit
+ *
+ * PARAMETERS: gpe_event_info - Info block for the GPE
+ *
+ * RETURN: Register mask with a one in the GPE bit position
+ *
+ * DESCRIPTION: Compute the register mask for this GPE. One bit is set in the
+ * correct position for the input GPE.
+ *
+ ******************************************************************************/
+
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info)
+{
+
+ return ((u32)1 <<
+ (gpe_event_info->gpe_number -
+ gpe_event_info->register_info->base_gpe_number));
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_low_set_gpe
+ *
+ * PARAMETERS: gpe_event_info - Info block for the GPE to be disabled
+ * action - Enable or disable
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable or disable a single GPE in the parent enable register.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
+{
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_status status;
+ u32 enable_mask;
+ u32 register_bit;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Get the info block for the entire GPE register */
+
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ return (AE_NOT_EXIST);
+ }
+
+ /* Get current value of the enable register that contains this GPE */
+
+ status = acpi_hw_read(&enable_mask, &gpe_register_info->enable_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Set or clear just the bit that corresponds to this GPE */
+
+ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
+ switch (action) {
+ case ACPI_GPE_CONDITIONAL_ENABLE:
+
+ /* Only enable if the enable_for_run bit is set */
+
+ if (!(register_bit & gpe_register_info->enable_for_run)) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*lint -fallthrough */
+
+ case ACPI_GPE_ENABLE:
+
+ ACPI_SET_BIT(enable_mask, register_bit);
+ break;
+
+ case ACPI_GPE_DISABLE:
+
+ ACPI_CLEAR_BIT(enable_mask, register_bit);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid GPE Action, %u", action));
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Write the updated enable mask */
+
+ status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_clear_gpe
+ *
+ * PARAMETERS: gpe_event_info - Info block for the GPE to be cleared
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear the status bit for a single GPE.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
+{
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_status status;
+ u32 register_bit;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Get the info block for the entire GPE register */
+
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ return (AE_NOT_EXIST);
+ }
+
+ /*
+ * Write a one to the appropriate bit in the status register to
+ * clear this GPE.
+ */
+ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
+
+ status = acpi_hw_write(register_bit,
+ &gpe_register_info->status_address);
+
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_gpe_status
+ *
+ * PARAMETERS: gpe_event_info - Info block for the GPE to queried
+ * event_status - Where the GPE status is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Return the status of a single GPE.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
+ acpi_event_status * event_status)
+{
+ u32 in_byte;
+ u32 register_bit;
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_event_status local_event_status = 0;
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!event_status) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Get the info block for the entire GPE register */
+
+ gpe_register_info = gpe_event_info->register_info;
+
+ /* Get the register bitmask for this GPE */
+
+ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
+
+ /* GPE currently enabled? (enabled for runtime?) */
+
+ if (register_bit & gpe_register_info->enable_for_run) {
+ local_event_status |= ACPI_EVENT_FLAG_ENABLED;
+ }
+
+ /* GPE enabled for wake? */
+
+ if (register_bit & gpe_register_info->enable_for_wake) {
+ local_event_status |= ACPI_EVENT_FLAG_WAKE_ENABLED;
+ }
+
+ /* GPE currently active (status bit == 1)? */
+
+ status = acpi_hw_read(&in_byte, &gpe_register_info->status_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (register_bit & in_byte) {
+ local_event_status |= ACPI_EVENT_FLAG_SET;
+ }
+
+ /* Set return value */
+
+ (*event_status) = local_event_status;
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_disable_gpe_block
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disable all GPEs within a single GPE block
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context)
+{
+ u32 i;
+ acpi_status status;
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+
+ /* Disable all GPEs in this register */
+
+ status =
+ acpi_hw_write(0x00,
+ &gpe_block->register_info[i].enable_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_clear_gpe_block
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clear status bits for all GPEs within a single GPE block
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block, void *context)
+{
+ u32 i;
+ acpi_status status;
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+
+ /* Clear status on all GPEs in this register */
+
+ status =
+ acpi_hw_write(0xFF,
+ &gpe_block->register_info[i].status_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_enable_runtime_gpe_block
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes
+ * combination wake/run GPEs.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info * gpe_block,
+ void *context)
+{
+ u32 i;
+ acpi_status status;
+
+ /* NOTE: assumes that all GPEs are currently disabled */
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+ if (!gpe_block->register_info[i].enable_for_run) {
+ continue;
+ }
+
+ /* Enable all "runtime" GPEs in this register */
+
+ status =
+ acpi_hw_write(gpe_block->register_info[i].enable_for_run,
+ &gpe_block->register_info[i].enable_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_enable_wakeup_gpe_block
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes
+ * combination wake/run GPEs.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *context)
+{
+ u32 i;
+ acpi_status status;
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+ if (!gpe_block->register_info[i].enable_for_wake) {
+ continue;
+ }
+
+ /* Enable all "wake" GPEs in this register */
+
+ status =
+ acpi_hw_write(gpe_block->register_info[i].enable_for_wake,
+ &gpe_block->register_info[i].enable_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_disable_all_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_disable_all_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_disable_all_gpes);
+
+ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
+ status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_enable_all_runtime_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_enable_all_runtime_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_enable_all_runtime_gpes);
+
+ status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block, NULL);
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_enable_all_wakeup_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_enable_all_wakeup_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_enable_all_wakeup_gpes);
+
+ status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block, NULL);
+ return_ACPI_STATUS(status);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c
new file mode 100644
index 00000000000..6aade8e1d2a
--- /dev/null
+++ b/drivers/acpi/acpica/hwpci.c
@@ -0,0 +1,421 @@
+/*******************************************************************************
+ *
+ * Module Name: hwpci - Obtain PCI bus, device, and function numbers
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_NAMESPACE
+ACPI_MODULE_NAME("hwpci")
+
+/* PCI configuration space values */
+#define PCI_CFG_HEADER_TYPE_REG 0x0E
+#define PCI_CFG_PRIMARY_BUS_NUMBER_REG 0x18
+#define PCI_CFG_SECONDARY_BUS_NUMBER_REG 0x19
+/* PCI header values */
+#define PCI_HEADER_TYPE_MASK 0x7F
+#define PCI_TYPE_BRIDGE 0x01
+#define PCI_TYPE_CARDBUS_BRIDGE 0x02
+typedef struct acpi_pci_device {
+ acpi_handle device;
+ struct acpi_pci_device *next;
+
+} acpi_pci_device;
+
+/* Local prototypes */
+
+static acpi_status
+acpi_hw_build_pci_list(acpi_handle root_pci_device,
+ acpi_handle pci_region,
+ struct acpi_pci_device **return_list_head);
+
+static acpi_status
+acpi_hw_process_pci_list(struct acpi_pci_id *pci_id,
+ struct acpi_pci_device *list_head);
+
+static void acpi_hw_delete_pci_list(struct acpi_pci_device *list_head);
+
+static acpi_status
+acpi_hw_get_pci_device_info(struct acpi_pci_id *pci_id,
+ acpi_handle pci_device,
+ u16 *bus_number, u8 *is_bridge);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_derive_pci_id
+ *
+ * PARAMETERS: pci_id - Initial values for the PCI ID. May be
+ * modified by this function.
+ * root_pci_device - A handle to a PCI device object. This
+ * object must be a PCI Root Bridge having a
+ * _HID value of either PNP0A03 or PNP0A08
+ * pci_region - A handle to a PCI configuration space
+ * Operation Region being initialized
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function derives a full PCI ID for a PCI device,
+ * consisting of a Segment number, Bus number, Device number,
+ * and function code.
+ *
+ * The PCI hardware dynamically configures PCI bus numbers
+ * depending on the bus topology discovered during system
+ * initialization. This function is invoked during configuration
+ * of a PCI_Config Operation Region in order to (possibly) update
+ * the Bus/Device/Function numbers in the pci_id with the actual
+ * values as determined by the hardware and operating system
+ * configuration.
+ *
+ * The pci_id parameter is initially populated during the Operation
+ * Region initialization. This function is then called, and is
+ * will make any necessary modifications to the Bus, Device, or
+ * Function number PCI ID subfields as appropriate for the
+ * current hardware and OS configuration.
+ *
+ * NOTE: Created 08/2010. Replaces the previous OSL acpi_os_derive_pci_id
+ * interface since this feature is OS-independent. This module
+ * specifically avoids any use of recursion by building a local
+ * temporary device list.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
+ acpi_handle root_pci_device, acpi_handle pci_region)
+{
+ acpi_status status;
+ struct acpi_pci_device *list_head = NULL;
+
+ ACPI_FUNCTION_TRACE(hw_derive_pci_id);
+
+ if (!pci_id) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Build a list of PCI devices, from pci_region up to root_pci_device */
+
+ status =
+ acpi_hw_build_pci_list(root_pci_device, pci_region, &list_head);
+ if (ACPI_SUCCESS(status)) {
+
+ /* Walk the list, updating the PCI device/function/bus numbers */
+
+ status = acpi_hw_process_pci_list(pci_id, list_head);
+
+ /* Delete the list */
+
+ acpi_hw_delete_pci_list(list_head);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_build_pci_list
+ *
+ * PARAMETERS: root_pci_device - A handle to a PCI device object. This
+ * object is guaranteed to be a PCI Root
+ * Bridge having a _HID value of either
+ * PNP0A03 or PNP0A08
+ * pci_region - A handle to the PCI configuration space
+ * Operation Region
+ * return_list_head - Where the PCI device list is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Builds a list of devices from the input PCI region up to the
+ * Root PCI device for this namespace subtree.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_build_pci_list(acpi_handle root_pci_device,
+ acpi_handle pci_region,
+ struct acpi_pci_device **return_list_head)
+{
+ acpi_handle current_device;
+ acpi_handle parent_device;
+ acpi_status status;
+ struct acpi_pci_device *list_element;
+ struct acpi_pci_device *list_head = NULL;
+
+ /*
+ * Ascend namespace branch until the root_pci_device is reached, building
+ * a list of device nodes. Loop will exit when either the PCI device is
+ * found, or the root of the namespace is reached.
+ */
+ current_device = pci_region;
+ while (1) {
+ status = acpi_get_parent(current_device, &parent_device);
+ if (ACPI_FAILURE(status)) {
+
+ /* Must delete the list before exit */
+
+ acpi_hw_delete_pci_list(*return_list_head);
+ return (status);
+ }
+
+ /* Finished when we reach the PCI root device (PNP0A03 or PNP0A08) */
+
+ if (parent_device == root_pci_device) {
+ *return_list_head = list_head;
+ return (AE_OK);
+ }
+
+ list_element = ACPI_ALLOCATE(sizeof(struct acpi_pci_device));
+ if (!list_element) {
+
+ /* Must delete the list before exit */
+
+ acpi_hw_delete_pci_list(*return_list_head);
+ return (AE_NO_MEMORY);
+ }
+
+ /* Put new element at the head of the list */
+
+ list_element->next = list_head;
+ list_element->device = parent_device;
+ list_head = list_element;
+
+ current_device = parent_device;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_process_pci_list
+ *
+ * PARAMETERS: pci_id - Initial values for the PCI ID. May be
+ * modified by this function.
+ * list_head - Device list created by
+ * acpi_hw_build_pci_list
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk downward through the PCI device list, getting the device
+ * info for each, via the PCI configuration space and updating
+ * the PCI ID as necessary. Deletes the list during traversal.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_process_pci_list(struct acpi_pci_id *pci_id,
+ struct acpi_pci_device *list_head)
+{
+ acpi_status status = AE_OK;
+ struct acpi_pci_device *info;
+ u16 bus_number;
+ u8 is_bridge = TRUE;
+
+ ACPI_FUNCTION_NAME(hw_process_pci_list);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Input PciId: Seg %4.4X Bus %4.4X Dev %4.4X Func %4.4X\n",
+ pci_id->segment, pci_id->bus, pci_id->device,
+ pci_id->function));
+
+ bus_number = pci_id->bus;
+
+ /*
+ * Descend down the namespace tree, collecting PCI device, function,
+ * and bus numbers. bus_number is only important for PCI bridges.
+ * Algorithm: As we descend the tree, use the last valid PCI device,
+ * function, and bus numbers that are discovered, and assign them
+ * to the PCI ID for the target device.
+ */
+ info = list_head;
+ while (info) {
+ status = acpi_hw_get_pci_device_info(pci_id, info->device,
+ &bus_number, &is_bridge);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ info = info->next;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Output PciId: Seg %4.4X Bus %4.4X Dev %4.4X Func %4.4X "
+ "Status %X BusNumber %X IsBridge %X\n",
+ pci_id->segment, pci_id->bus, pci_id->device,
+ pci_id->function, status, bus_number, is_bridge));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_delete_pci_list
+ *
+ * PARAMETERS: list_head - Device list created by
+ * acpi_hw_build_pci_list
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Free the entire PCI list.
+ *
+ ******************************************************************************/
+
+static void acpi_hw_delete_pci_list(struct acpi_pci_device *list_head)
+{
+ struct acpi_pci_device *next;
+ struct acpi_pci_device *previous;
+
+ next = list_head;
+ while (next) {
+ previous = next;
+ next = previous->next;
+ ACPI_FREE(previous);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_pci_device_info
+ *
+ * PARAMETERS: pci_id - Initial values for the PCI ID. May be
+ * modified by this function.
+ * pci_device - Handle for the PCI device object
+ * bus_number - Where a PCI bridge bus number is returned
+ * is_bridge - Return value, indicates if this PCI
+ * device is a PCI bridge
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get the device info for a single PCI device object. Get the
+ * _ADR (contains PCI device and function numbers), and for PCI
+ * bridge devices, get the bus number from PCI configuration
+ * space.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_get_pci_device_info(struct acpi_pci_id *pci_id,
+ acpi_handle pci_device,
+ u16 *bus_number, u8 *is_bridge)
+{
+ acpi_status status;
+ acpi_object_type object_type;
+ u64 return_value;
+ u64 pci_value;
+
+ /* We only care about objects of type Device */
+
+ status = acpi_get_type(pci_device, &object_type);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (object_type != ACPI_TYPE_DEVICE) {
+ return (AE_OK);
+ }
+
+ /* We need an _ADR. Ignore device if not present */
+
+ status = acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR,
+ pci_device, &return_value);
+ if (ACPI_FAILURE(status)) {
+ return (AE_OK);
+ }
+
+ /*
+ * From _ADR, get the PCI Device and Function and
+ * update the PCI ID.
+ */
+ pci_id->device = ACPI_HIWORD(ACPI_LODWORD(return_value));
+ pci_id->function = ACPI_LOWORD(ACPI_LODWORD(return_value));
+
+ /*
+ * If the previous device was a bridge, use the previous
+ * device bus number
+ */
+ if (*is_bridge) {
+ pci_id->bus = *bus_number;
+ }
+
+ /*
+ * Get the bus numbers from PCI Config space:
+ *
+ * First, get the PCI header_type
+ */
+ *is_bridge = FALSE;
+ status = acpi_os_read_pci_configuration(pci_id,
+ PCI_CFG_HEADER_TYPE_REG,
+ &pci_value, 8);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* We only care about bridges (1=pci_bridge, 2=card_bus_bridge) */
+
+ pci_value &= PCI_HEADER_TYPE_MASK;
+
+ if ((pci_value != PCI_TYPE_BRIDGE) &&
+ (pci_value != PCI_TYPE_CARDBUS_BRIDGE)) {
+ return (AE_OK);
+ }
+
+ /* Bridge: Get the Primary bus_number */
+
+ status = acpi_os_read_pci_configuration(pci_id,
+ PCI_CFG_PRIMARY_BUS_NUMBER_REG,
+ &pci_value, 8);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ *is_bridge = TRUE;
+ pci_id->bus = (u16)pci_value;
+
+ /* Bridge: Get the Secondary bus_number */
+
+ status = acpi_os_read_pci_configuration(pci_id,
+ PCI_CFG_SECONDARY_BUS_NUMBER_REG,
+ &pci_value, 8);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ *bus_number = (u16)pci_value;
+ return (AE_OK);
+}
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
new file mode 100644
index 00000000000..e0fd9b4978c
--- /dev/null
+++ b/drivers/acpi/acpica/hwregs.c
@@ -0,0 +1,667 @@
+/*******************************************************************************
+ *
+ * Module Name: hwregs - Read/write access functions for the various ACPI
+ * control and status registers.
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwregs")
+
+#if (!ACPI_REDUCED_HARDWARE)
+/* Local Prototypes */
+static acpi_status
+acpi_hw_read_multiple(u32 *value,
+ struct acpi_generic_address *register_a,
+ struct acpi_generic_address *register_b);
+
+static acpi_status
+acpi_hw_write_multiple(u32 value,
+ struct acpi_generic_address *register_a,
+ struct acpi_generic_address *register_b);
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_validate_register
+ *
+ * PARAMETERS: reg - GAS register structure
+ * max_bit_width - Max bit_width supported (32 or 64)
+ * address - Pointer to where the gas->address
+ * is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Validate the contents of a GAS register. Checks the GAS
+ * pointer, Address, space_id, bit_width, and bit_offset.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_validate_register(struct acpi_generic_address *reg,
+ u8 max_bit_width, u64 *address)
+{
+
+ /* Must have a valid pointer to a GAS structure */
+
+ if (!reg) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Copy the target address. This handles possible alignment issues.
+ * Address must not be null. A null address also indicates an optional
+ * ACPI register that is not supported, so no error message.
+ */
+ ACPI_MOVE_64_TO_64(address, &reg->address);
+ if (!(*address)) {
+ return (AE_BAD_ADDRESS);
+ }
+
+ /* Validate the space_ID */
+
+ if ((reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+ (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
+ ACPI_ERROR((AE_INFO,
+ "Unsupported address space: 0x%X", reg->space_id));
+ return (AE_SUPPORT);
+ }
+
+ /* Validate the bit_width */
+
+ if ((reg->bit_width != 8) &&
+ (reg->bit_width != 16) &&
+ (reg->bit_width != 32) && (reg->bit_width != max_bit_width)) {
+ ACPI_ERROR((AE_INFO,
+ "Unsupported register bit width: 0x%X",
+ reg->bit_width));
+ return (AE_SUPPORT);
+ }
+
+ /* Validate the bit_offset. Just a warning for now. */
+
+ if (reg->bit_offset != 0) {
+ ACPI_WARNING((AE_INFO,
+ "Unsupported register bit offset: 0x%X",
+ reg->bit_offset));
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_read
+ *
+ * PARAMETERS: value - Where the value is returned
+ * reg - GAS register structure
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read from either memory or IO space. This is a 32-bit max
+ * version of acpi_read, used internally since the overhead of
+ * 64-bit values is not needed.
+ *
+ * LIMITATIONS: <These limitations also apply to acpi_hw_write>
+ * bit_width must be exactly 8, 16, or 32.
+ * space_ID must be system_memory or system_IO.
+ * bit_offset and access_width are currently ignored, as there has
+ * not been a need to implement these.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg)
+{
+ u64 address;
+ u64 value64;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(hw_read);
+
+ /* Validate contents of the GAS register */
+
+ status = acpi_hw_validate_register(reg, 32, &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Initialize entire 32-bit return value to zero */
+
+ *value = 0;
+
+ /*
+ * Two address spaces supported: Memory or IO. PCI_Config is
+ * not supported here because the GAS structure is insufficient
+ */
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ status = acpi_os_read_memory((acpi_physical_address)
+ address, &value64, reg->bit_width);
+
+ *value = (u32)value64;
+ } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+ status = acpi_hw_read_port((acpi_io_address)
+ address, value, reg->bit_width);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
+ *value, reg->bit_width, ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->space_id)));
+
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_write
+ *
+ * PARAMETERS: value - Value to be written
+ * reg - GAS register structure
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write to either memory or IO space. This is a 32-bit max
+ * version of acpi_write, used internally since the overhead of
+ * 64-bit values is not needed.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
+{
+ u64 address;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(hw_write);
+
+ /* Validate contents of the GAS register */
+
+ status = acpi_hw_validate_register(reg, 32, &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Two address spaces supported: Memory or IO. PCI_Config is
+ * not supported here because the GAS structure is insufficient
+ */
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ status = acpi_os_write_memory((acpi_physical_address)
+ address, (u64)value,
+ reg->bit_width);
+ } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+ status = acpi_hw_write_port((acpi_io_address)
+ address, value, reg->bit_width);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
+ value, reg->bit_width, ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->space_id)));
+
+ return (status);
+}
+
+#if (!ACPI_REDUCED_HARDWARE)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_clear_acpi_status
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Clears all fixed and general purpose status bits
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_clear_acpi_status(void)
+{
+ acpi_status status;
+ acpi_cpu_flags lock_flags = 0;
+
+ ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %8.8X%8.8X\n",
+ ACPI_BITMASK_ALL_FIXED_STATUS,
+ ACPI_FORMAT_UINT64(acpi_gbl_xpm1a_status.address)));
+
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
+
+ /* Clear the fixed events in PM1 A/B */
+
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITMASK_ALL_FIXED_STATUS);
+
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
+
+ if (ACPI_FAILURE(status))
+ goto exit;
+
+ /* Clear the GPE Bits in all GPE registers in all GPE blocks */
+
+ status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);
+
+exit:
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_bit_register_info
+ *
+ * PARAMETERS: register_id - Index of ACPI Register to access
+ *
+ * RETURN: The bitmask to be used when accessing the register
+ *
+ * DESCRIPTION: Map register_id into a register bitmask.
+ *
+ ******************************************************************************/
+
+struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ if (register_id > ACPI_BITREG_MAX) {
+ ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: 0x%X",
+ register_id));
+ return (NULL);
+ }
+
+ return (&acpi_gbl_bit_register_info[register_id]);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_write_pm1_control
+ *
+ * PARAMETERS: pm1a_control - Value to be written to PM1A control
+ * pm1b_control - Value to be written to PM1B control
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write the PM1 A/B control registers. These registers are
+ * different than than the PM1 A/B status and enable registers
+ * in that different values can be written to the A/B registers.
+ * Most notably, the SLP_TYP bits can be different, as per the
+ * values returned from the _Sx predefined methods.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_write_pm1_control);
+
+ status =
+ acpi_hw_write(pm1a_control, &acpi_gbl_FADT.xpm1a_control_block);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (acpi_gbl_FADT.xpm1b_control_block.address) {
+ status =
+ acpi_hw_write(pm1b_control,
+ &acpi_gbl_FADT.xpm1b_control_block);
+ }
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_register_read
+ *
+ * PARAMETERS: register_id - ACPI Register ID
+ * return_value - Where the register value is returned
+ *
+ * RETURN: Status and the value read.
+ *
+ * DESCRIPTION: Read from the specified ACPI register
+ *
+ ******************************************************************************/
+acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value)
+{
+ u32 value = 0;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_register_read);
+
+ switch (register_id) {
+ case ACPI_REGISTER_PM1_STATUS: /* PM1 A/B: 16-bit access each */
+
+ status = acpi_hw_read_multiple(&value,
+ &acpi_gbl_xpm1a_status,
+ &acpi_gbl_xpm1b_status);
+ break;
+
+ case ACPI_REGISTER_PM1_ENABLE: /* PM1 A/B: 16-bit access each */
+
+ status = acpi_hw_read_multiple(&value,
+ &acpi_gbl_xpm1a_enable,
+ &acpi_gbl_xpm1b_enable);
+ break;
+
+ case ACPI_REGISTER_PM1_CONTROL: /* PM1 A/B: 16-bit access each */
+
+ status = acpi_hw_read_multiple(&value,
+ &acpi_gbl_FADT.
+ xpm1a_control_block,
+ &acpi_gbl_FADT.
+ xpm1b_control_block);
+
+ /*
+ * Zero the write-only bits. From the ACPI specification, "Hardware
+ * Write-Only Bits": "Upon reads to registers with write-only bits,
+ * software masks out all write-only bits."
+ */
+ value &= ~ACPI_PM1_CONTROL_WRITEONLY_BITS;
+ break;
+
+ case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
+
+ status =
+ acpi_hw_read(&value, &acpi_gbl_FADT.xpm2_control_block);
+ break;
+
+ case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
+
+ status = acpi_hw_read(&value, &acpi_gbl_FADT.xpm_timer_block);
+ break;
+
+ case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
+
+ status =
+ acpi_hw_read_port(acpi_gbl_FADT.smi_command, &value, 8);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+ if (ACPI_SUCCESS(status)) {
+ *return_value = value;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_register_write
+ *
+ * PARAMETERS: register_id - ACPI Register ID
+ * value - The value to write
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write to the specified ACPI register
+ *
+ * NOTE: In accordance with the ACPI specification, this function automatically
+ * preserves the value of the following bits, meaning that these bits cannot be
+ * changed via this interface:
+ *
+ * PM1_CONTROL[0] = SCI_EN
+ * PM1_CONTROL[9]
+ * PM1_STATUS[11]
+ *
+ * ACPI References:
+ * 1) Hardware Ignored Bits: When software writes to a register with ignored
+ * bit fields, it preserves the ignored bit fields
+ * 2) SCI_EN: OSPM always preserves this bit position
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_register_write(u32 register_id, u32 value)
+{
+ acpi_status status;
+ u32 read_value;
+
+ ACPI_FUNCTION_TRACE(hw_register_write);
+
+ switch (register_id) {
+ case ACPI_REGISTER_PM1_STATUS: /* PM1 A/B: 16-bit access each */
+ /*
+ * Handle the "ignored" bit in PM1 Status. According to the ACPI
+ * specification, ignored bits are to be preserved when writing.
+ * Normally, this would mean a read/modify/write sequence. However,
+ * preserving a bit in the status register is different. Writing a
+ * one clears the status, and writing a zero preserves the status.
+ * Therefore, we must always write zero to the ignored bit.
+ *
+ * This behavior is clarified in the ACPI 4.0 specification.
+ */
+ value &= ~ACPI_PM1_STATUS_PRESERVED_BITS;
+
+ status = acpi_hw_write_multiple(value,
+ &acpi_gbl_xpm1a_status,
+ &acpi_gbl_xpm1b_status);
+ break;
+
+ case ACPI_REGISTER_PM1_ENABLE: /* PM1 A/B: 16-bit access each */
+
+ status = acpi_hw_write_multiple(value,
+ &acpi_gbl_xpm1a_enable,
+ &acpi_gbl_xpm1b_enable);
+ break;
+
+ case ACPI_REGISTER_PM1_CONTROL: /* PM1 A/B: 16-bit access each */
+ /*
+ * Perform a read first to preserve certain bits (per ACPI spec)
+ * Note: This includes SCI_EN, we never want to change this bit
+ */
+ status = acpi_hw_read_multiple(&read_value,
+ &acpi_gbl_FADT.
+ xpm1a_control_block,
+ &acpi_gbl_FADT.
+ xpm1b_control_block);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ /* Insert the bits to be preserved */
+
+ ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS,
+ read_value);
+
+ /* Now we can write the data */
+
+ status = acpi_hw_write_multiple(value,
+ &acpi_gbl_FADT.
+ xpm1a_control_block,
+ &acpi_gbl_FADT.
+ xpm1b_control_block);
+ break;
+
+ case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
+ /*
+ * For control registers, all reserved bits must be preserved,
+ * as per the ACPI spec.
+ */
+ status =
+ acpi_hw_read(&read_value,
+ &acpi_gbl_FADT.xpm2_control_block);
+ if (ACPI_FAILURE(status)) {
+ goto exit;
+ }
+
+ /* Insert the bits to be preserved */
+
+ ACPI_INSERT_BITS(value, ACPI_PM2_CONTROL_PRESERVED_BITS,
+ read_value);
+
+ status =
+ acpi_hw_write(value, &acpi_gbl_FADT.xpm2_control_block);
+ break;
+
+ case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
+
+ status = acpi_hw_write(value, &acpi_gbl_FADT.xpm_timer_block);
+ break;
+
+ case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
+
+ /* SMI_CMD is currently always in IO space */
+
+ status =
+ acpi_hw_write_port(acpi_gbl_FADT.smi_command, value, 8);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
+ status = AE_BAD_PARAMETER;
+ break;
+ }
+
+exit:
+ return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_read_multiple
+ *
+ * PARAMETERS: value - Where the register value is returned
+ * register_a - First ACPI register (required)
+ * register_b - Second ACPI register (optional)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read from the specified two-part ACPI register (such as PM1 A/B)
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_read_multiple(u32 *value,
+ struct acpi_generic_address *register_a,
+ struct acpi_generic_address *register_b)
+{
+ u32 value_a = 0;
+ u32 value_b = 0;
+ acpi_status status;
+
+ /* The first register is always required */
+
+ status = acpi_hw_read(&value_a, register_a);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Second register is optional */
+
+ if (register_b->address) {
+ status = acpi_hw_read(&value_b, register_b);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /*
+ * OR the two return values together. No shifting or masking is necessary,
+ * because of how the PM1 registers are defined in the ACPI specification:
+ *
+ * "Although the bits can be split between the two register blocks (each
+ * register block has a unique pointer within the FADT), the bit positions
+ * are maintained. The register block with unimplemented bits (that is,
+ * those implemented in the other register block) always returns zeros,
+ * and writes have no side effects"
+ */
+ *value = (value_a | value_b);
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_write_multiple
+ *
+ * PARAMETERS: value - The value to write
+ * register_a - First ACPI register (required)
+ * register_b - Second ACPI register (optional)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write to the specified two-part ACPI register (such as PM1 A/B)
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_write_multiple(u32 value,
+ struct acpi_generic_address *register_a,
+ struct acpi_generic_address *register_b)
+{
+ acpi_status status;
+
+ /* The first register is always required */
+
+ status = acpi_hw_write(value, register_a);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Second register is optional
+ *
+ * No bit shifting or clearing is necessary, because of how the PM1
+ * registers are defined in the ACPI specification:
+ *
+ * "Although the bits can be split between the two register blocks (each
+ * register block has a unique pointer within the FADT), the bit positions
+ * are maintained. The register block with unimplemented bits (that is,
+ * those implemented in the other register block) always returns zeros,
+ * and writes have no side effects"
+ */
+ if (register_b->address) {
+ status = acpi_hw_write(value, register_b);
+ }
+
+ return (status);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
new file mode 100644
index 00000000000..d590693eb54
--- /dev/null
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -0,0 +1,345 @@
+/******************************************************************************
+ *
+ * Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the
+ * original/legacy sleep/PM registers.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <linux/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwsleep")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_legacy_sleep
+ *
+ * PARAMETERS: sleep_state - Which sleep state to enter
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Enter a system sleep state via the legacy FADT PM registers
+ * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
+{
+ struct acpi_bit_register_info *sleep_type_reg_info;
+ struct acpi_bit_register_info *sleep_enable_reg_info;
+ u32 pm1a_control;
+ u32 pm1b_control;
+ u32 in_value;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_legacy_sleep);
+
+ sleep_type_reg_info =
+ acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE);
+ sleep_enable_reg_info =
+ acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_ENABLE);
+
+ /* Clear wake status */
+
+ status =
+ acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Clear all fixed and general purpose status bits */
+
+ status = acpi_hw_clear_acpi_status();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * 1) Disable/Clear all GPEs
+ * 2) Enable all wakeup GPEs
+ */
+ status = acpi_hw_disable_all_gpes();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ acpi_gbl_system_awake_and_running = FALSE;
+
+ status = acpi_hw_enable_all_wakeup_gpes();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get current value of PM1A control */
+
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
+ &pm1a_control);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "Entering sleep state [S%u]\n", sleep_state));
+
+ /* Clear the SLP_EN and SLP_TYP fields */
+
+ pm1a_control &= ~(sleep_type_reg_info->access_bit_mask |
+ sleep_enable_reg_info->access_bit_mask);
+ pm1b_control = pm1a_control;
+
+ /* Insert the SLP_TYP bits */
+
+ pm1a_control |=
+ (acpi_gbl_sleep_type_a << sleep_type_reg_info->bit_position);
+ pm1b_control |=
+ (acpi_gbl_sleep_type_b << sleep_type_reg_info->bit_position);
+
+ /*
+ * We split the writes of SLP_TYP and SLP_EN to workaround
+ * poorly implemented hardware.
+ */
+
+ /* Write #1: write the SLP_TYP data to the PM1 Control registers */
+
+ status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Insert the sleep enable (SLP_EN) bit */
+
+ pm1a_control |= sleep_enable_reg_info->access_bit_mask;
+ pm1b_control |= sleep_enable_reg_info->access_bit_mask;
+
+ /* Flush caches, as per ACPI specification */
+
+ ACPI_FLUSH_CPU_CACHE();
+
+ status = acpi_os_prepare_sleep(sleep_state, pm1a_control,
+ pm1b_control);
+ if (ACPI_SKIP(status))
+ return_ACPI_STATUS(AE_OK);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+ /* Write #2: Write both SLP_TYP + SLP_EN */
+
+ status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (sleep_state > ACPI_STATE_S3) {
+ /*
+ * We wanted to sleep > S3, but it didn't happen (by virtue of the
+ * fact that we are still executing!)
+ *
+ * Wait ten seconds, then try again. This is to get S4/S5 to work on
+ * all machines.
+ *
+ * We wait so long to allow chipsets that poll this reg very slowly
+ * to still read the right value. Ideally, this block would go
+ * away entirely.
+ */
+ acpi_os_stall(10 * ACPI_USEC_PER_SEC);
+
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
+ sleep_enable_reg_info->
+ access_bit_mask);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Wait for transition back to Working State */
+
+ do {
+ status =
+ acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ } while (!in_value);
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_legacy_wake_prep
+ *
+ * PARAMETERS: sleep_state - Which sleep state we just exited
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
+ * sleep.
+ * Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
+{
+ acpi_status status;
+ struct acpi_bit_register_info *sleep_type_reg_info;
+ struct acpi_bit_register_info *sleep_enable_reg_info;
+ u32 pm1a_control;
+ u32 pm1b_control;
+
+ ACPI_FUNCTION_TRACE(hw_legacy_wake_prep);
+
+ /*
+ * Set SLP_TYPE and SLP_EN to state S0.
+ * This is unclear from the ACPI Spec, but it is required
+ * by some machines.
+ */
+ status = acpi_get_sleep_type_data(ACPI_STATE_S0,
+ &acpi_gbl_sleep_type_a,
+ &acpi_gbl_sleep_type_b);
+ if (ACPI_SUCCESS(status)) {
+ sleep_type_reg_info =
+ acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE);
+ sleep_enable_reg_info =
+ acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_ENABLE);
+
+ /* Get current value of PM1A control */
+
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
+ &pm1a_control);
+ if (ACPI_SUCCESS(status)) {
+
+ /* Clear the SLP_EN and SLP_TYP fields */
+
+ pm1a_control &= ~(sleep_type_reg_info->access_bit_mask |
+ sleep_enable_reg_info->
+ access_bit_mask);
+ pm1b_control = pm1a_control;
+
+ /* Insert the SLP_TYP bits */
+
+ pm1a_control |= (acpi_gbl_sleep_type_a <<
+ sleep_type_reg_info->bit_position);
+ pm1b_control |= (acpi_gbl_sleep_type_b <<
+ sleep_type_reg_info->bit_position);
+
+ /* Write the control registers and ignore any errors */
+
+ (void)acpi_hw_write_pm1_control(pm1a_control,
+ pm1b_control);
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_hw_legacy_wake
+ *
+ * PARAMETERS: sleep_state - Which sleep state we just exited
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ * Called with interrupts ENABLED.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_legacy_wake(u8 sleep_state)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(hw_legacy_wake);
+
+ /* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
+
+ acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
+
+ /*
+ * GPEs must be enabled before _WAK is called as GPEs
+ * might get fired there
+ *
+ * Restore the GPEs:
+ * 1) Disable/Clear all GPEs
+ * 2) Enable all runtime GPEs
+ */
+ status = acpi_hw_disable_all_gpes();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_hw_enable_all_runtime_gpes();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Now we can execute _WAK, etc. Some machines require that the GPEs
+ * are enabled before the wake methods are executed.
+ */
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
+
+ /*
+ * Some BIOS code assumes that WAK_STS will be cleared on resume
+ * and use it to determine whether the system is rebooting or
+ * resuming. Clear WAK_STS for compatibility.
+ */
+ (void)acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS,
+ ACPI_CLEAR_STATUS);
+ acpi_gbl_system_awake_and_running = TRUE;
+
+ /* Enable power button */
+
+ (void)
+ acpi_write_bit_register(acpi_gbl_fixed_event_info
+ [ACPI_EVENT_POWER_BUTTON].
+ enable_register_id, ACPI_ENABLE_EVENT);
+
+ (void)
+ acpi_write_bit_register(acpi_gbl_fixed_event_info
+ [ACPI_EVENT_POWER_BUTTON].
+ status_register_id, ACPI_CLEAR_STATUS);
+
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
+ return_ACPI_STATUS(status);
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c
new file mode 100644
index 00000000000..76ab5c1a814
--- /dev/null
+++ b/drivers/acpi/acpica/hwtimer.c
@@ -0,0 +1,202 @@
+/******************************************************************************
+ *
+ * Name: hwtimer.c - ACPI Power Management Timer Interface
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwtimer")
+
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+/******************************************************************************
+ *
+ * FUNCTION: acpi_get_timer_resolution
+ *
+ * PARAMETERS: resolution - Where the resolution is returned
+ *
+ * RETURN: Status and timer resolution
+ *
+ * DESCRIPTION: Obtains resolution of the ACPI PM Timer (24 or 32 bits).
+ *
+ ******************************************************************************/
+acpi_status acpi_get_timer_resolution(u32 * resolution)
+{
+ ACPI_FUNCTION_TRACE(acpi_get_timer_resolution);
+
+ if (!resolution) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
+ *resolution = 24;
+ } else {
+ *resolution = 32;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_get_timer
+ *
+ * PARAMETERS: ticks - Where the timer value is returned
+ *
+ * RETURN: Status and current timer value (ticks)
+ *
+ * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks).
+ *
+ ******************************************************************************/
+acpi_status acpi_get_timer(u32 * ticks)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_get_timer);
+
+ if (!ticks) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* ACPI 5.0A: PM Timer is optional */
+
+ if (!acpi_gbl_FADT.xpm_timer_block.address) {
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ status = acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_timer)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_get_timer_duration
+ *
+ * PARAMETERS: start_ticks - Starting timestamp
+ * end_ticks - End timestamp
+ * time_elapsed - Where the elapsed time is returned
+ *
+ * RETURN: Status and time_elapsed
+ *
+ * DESCRIPTION: Computes the time elapsed (in microseconds) between two
+ * PM Timer time stamps, taking into account the possibility of
+ * rollovers, the timer resolution, and timer frequency.
+ *
+ * The PM Timer's clock ticks at roughly 3.6 times per
+ * _microsecond_, and its clock continues through Cx state
+ * transitions (unlike many CPU timestamp counters) -- making it
+ * a versatile and accurate timer.
+ *
+ * Note that this function accommodates only a single timer
+ * rollover. Thus for 24-bit timers, this function should only
+ * be used for calculating durations less than ~4.6 seconds
+ * (~20 minutes for 32-bit timers) -- calculations below:
+ *
+ * 2**24 Ticks / 3,600,000 Ticks/Sec = 4.66 sec
+ * 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
+{
+ acpi_status status;
+ u32 delta_ticks;
+ u64 quotient;
+
+ ACPI_FUNCTION_TRACE(acpi_get_timer_duration);
+
+ if (!time_elapsed) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* ACPI 5.0A: PM Timer is optional */
+
+ if (!acpi_gbl_FADT.xpm_timer_block.address) {
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ /*
+ * Compute Tick Delta:
+ * Handle (max one) timer rollovers on 24-bit versus 32-bit timers.
+ */
+ if (start_ticks < end_ticks) {
+ delta_ticks = end_ticks - start_ticks;
+ } else if (start_ticks > end_ticks) {
+ if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
+
+ /* 24-bit Timer */
+
+ delta_ticks =
+ (((0x00FFFFFF - start_ticks) +
+ end_ticks) & 0x00FFFFFF);
+ } else {
+ /* 32-bit Timer */
+
+ delta_ticks = (0xFFFFFFFF - start_ticks) + end_ticks;
+ }
+ } else { /* start_ticks == end_ticks */
+
+ *time_elapsed = 0;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Compute Duration (Requires a 64-bit multiply and divide):
+ *
+ * time_elapsed (microseconds) =
+ * (delta_ticks * ACPI_USEC_PER_SEC) / ACPI_PM_TIMER_FREQUENCY;
+ */
+ status = acpi_ut_short_divide(((u64)delta_ticks) * ACPI_USEC_PER_SEC,
+ ACPI_PM_TIMER_FREQUENCY, &quotient, NULL);
+
+ *time_elapsed = (u32) quotient;
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_timer_duration)
+#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
new file mode 100644
index 00000000000..6b919127cd9
--- /dev/null
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -0,0 +1,328 @@
+/******************************************************************************
+ *
+ * Module Name: hwvalid - I/O request validation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwvalid")
+
+/* Local prototypes */
+static acpi_status
+acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width);
+
+/*
+ * Protected I/O ports. Some ports are always illegal, and some are
+ * conditionally illegal. This table must remain ordered by port address.
+ *
+ * The table is used to implement the Microsoft port access rules that
+ * first appeared in Windows XP. Some ports are always illegal, and some
+ * ports are only illegal if the BIOS calls _OSI with a win_XP string or
+ * later (meaning that the BIOS itelf is post-XP.)
+ *
+ * This provides ACPICA with the desired port protections and
+ * Microsoft compatibility.
+ *
+ * Description of port entries:
+ * DMA: DMA controller
+ * PIC0: Programmable Interrupt Controller (8259A)
+ * PIT1: System Timer 1
+ * PIT2: System Timer 2 failsafe
+ * RTC: Real-time clock
+ * CMOS: Extended CMOS
+ * DMA1: DMA 1 page registers
+ * DMA1L: DMA 1 Ch 0 low page
+ * DMA2: DMA 2 page registers
+ * DMA2L: DMA 2 low page refresh
+ * ARBC: Arbitration control
+ * SETUP: Reserved system board setup
+ * POS: POS channel select
+ * PIC1: Cascaded PIC
+ * IDMA: ISA DMA
+ * ELCR: PIC edge/level registers
+ * PCI: PCI configuration space
+ */
+static const struct acpi_port_info acpi_protected_ports[] = {
+ {"DMA", 0x0000, 0x000F, ACPI_OSI_WIN_XP},
+ {"PIC0", 0x0020, 0x0021, ACPI_ALWAYS_ILLEGAL},
+ {"PIT1", 0x0040, 0x0043, ACPI_OSI_WIN_XP},
+ {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
+ {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
+ {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
+ {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
+ {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
+ {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
+ {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},
+ {"ARBC", 0x0090, 0x0091, ACPI_OSI_WIN_XP},
+ {"SETUP", 0x0093, 0x0094, ACPI_OSI_WIN_XP},
+ {"POS", 0x0096, 0x0097, ACPI_OSI_WIN_XP},
+ {"PIC1", 0x00A0, 0x00A1, ACPI_ALWAYS_ILLEGAL},
+ {"IDMA", 0x00C0, 0x00DF, ACPI_OSI_WIN_XP},
+ {"ELCR", 0x04D0, 0x04D1, ACPI_ALWAYS_ILLEGAL},
+ {"PCI", 0x0CF8, 0x0CFF, ACPI_OSI_WIN_XP}
+};
+
+#define ACPI_PORT_INFO_ENTRIES ACPI_ARRAY_LENGTH (acpi_protected_ports)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_validate_io_request
+ *
+ * PARAMETERS: Address Address of I/O port/register
+ * bit_width Number of bits (8,16,32)
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Validates an I/O request (address/length). Certain ports are
+ * always illegal and some ports are only illegal depending on
+ * the requests the BIOS AML code makes to the predefined
+ * _OSI method.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
+{
+ u32 i;
+ u32 byte_width;
+ acpi_io_address last_address;
+ const struct acpi_port_info *port_info;
+
+ ACPI_FUNCTION_TRACE(hw_validate_io_request);
+
+ /* Supported widths are 8/16/32 */
+
+ if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) {
+ ACPI_ERROR((AE_INFO,
+ "Bad BitWidth parameter: %8.8X", bit_width));
+ return (AE_BAD_PARAMETER);
+ }
+
+ port_info = acpi_protected_ports;
+ byte_width = ACPI_DIV_8(bit_width);
+ last_address = address + byte_width - 1;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "Address %p LastAddress %p Length %X",
+ ACPI_CAST_PTR(void, address), ACPI_CAST_PTR(void,
+ last_address),
+ byte_width));
+
+ /* Maximum 16-bit address in I/O space */
+
+ if (last_address > ACPI_UINT16_MAX) {
+ ACPI_ERROR((AE_INFO,
+ "Illegal I/O port address/length above 64K: %p/0x%X",
+ ACPI_CAST_PTR(void, address), byte_width));
+ return_ACPI_STATUS(AE_LIMIT);
+ }
+
+ /* Exit if requested address is not within the protected port table */
+
+ if (address > acpi_protected_ports[ACPI_PORT_INFO_ENTRIES - 1].end) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Check request against the list of protected I/O ports */
+
+ for (i = 0; i < ACPI_PORT_INFO_ENTRIES; i++, port_info++) {
+ /*
+ * Check if the requested address range will write to a reserved
+ * port. Four cases to consider:
+ *
+ * 1) Address range is contained completely in the port address range
+ * 2) Address range overlaps port range at the port range start
+ * 3) Address range overlaps port range at the port range end
+ * 4) Address range completely encompasses the port range
+ */
+ if ((address <= port_info->end)
+ && (last_address >= port_info->start)) {
+
+ /* Port illegality may depend on the _OSI calls made by the BIOS */
+
+ if (acpi_gbl_osi_data >= port_info->osi_dependency) {
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Denied AML access to port 0x%p/%X (%s 0x%.4X-0x%.4X)",
+ ACPI_CAST_PTR(void, address),
+ byte_width, port_info->name,
+ port_info->start,
+ port_info->end));
+
+ return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS);
+ }
+ }
+
+ /* Finished if address range ends before the end of this port */
+
+ if (last_address <= port_info->end) {
+ break;
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_read_port
+ *
+ * PARAMETERS: Address Address of I/O port/register to read
+ * Value Where value is placed
+ * Width Number of bits
+ *
+ * RETURN: Status and value read from port
+ *
+ * DESCRIPTION: Read data from an I/O port or register. This is a front-end
+ * to acpi_os_read_port that performs validation on both the port
+ * address and the length.
+ *
+ *****************************************************************************/
+
+acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width)
+{
+ acpi_status status;
+ u32 one_byte;
+ u32 i;
+
+ /* Truncate address to 16 bits if requested */
+
+ if (acpi_gbl_truncate_io_addresses) {
+ address &= ACPI_UINT16_MAX;
+ }
+
+ /* Validate the entire request and perform the I/O */
+
+ status = acpi_hw_validate_io_request(address, width);
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_os_read_port(address, value, width);
+ return (status);
+ }
+
+ if (status != AE_AML_ILLEGAL_ADDRESS) {
+ return (status);
+ }
+
+ /*
+ * There has been a protection violation within the request. Fall
+ * back to byte granularity port I/O and ignore the failing bytes.
+ * This provides Windows compatibility.
+ */
+ for (i = 0, *value = 0; i < width; i += 8) {
+
+ /* Validate and read one byte */
+
+ if (acpi_hw_validate_io_request(address, 8) == AE_OK) {
+ status = acpi_os_read_port(address, &one_byte, 8);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ *value |= (one_byte << i);
+ }
+
+ address++;
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_write_port
+ *
+ * PARAMETERS: Address Address of I/O port/register to write
+ * Value Value to write
+ * Width Number of bits
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write data to an I/O port or register. This is a front-end
+ * to acpi_os_write_port that performs validation on both the port
+ * address and the length.
+ *
+ *****************************************************************************/
+
+acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width)
+{
+ acpi_status status;
+ u32 i;
+
+ /* Truncate address to 16 bits if requested */
+
+ if (acpi_gbl_truncate_io_addresses) {
+ address &= ACPI_UINT16_MAX;
+ }
+
+ /* Validate the entire request and perform the I/O */
+
+ status = acpi_hw_validate_io_request(address, width);
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_os_write_port(address, value, width);
+ return (status);
+ }
+
+ if (status != AE_AML_ILLEGAL_ADDRESS) {
+ return (status);
+ }
+
+ /*
+ * There has been a protection violation within the request. Fall
+ * back to byte granularity port I/O and ignore the failing bytes.
+ * This provides Windows compatibility.
+ */
+ for (i = 0; i < width; i += 8) {
+
+ /* Validate and write one byte */
+
+ if (acpi_hw_validate_io_request(address, 8) == AE_OK) {
+ status =
+ acpi_os_write_port(address, (value >> i) & 0xFF, 8);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ address++;
+ }
+
+ return (AE_OK);
+}
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
new file mode 100644
index 00000000000..96d007df65e
--- /dev/null
+++ b/drivers/acpi/acpica/hwxface.c
@@ -0,0 +1,587 @@
+/******************************************************************************
+ *
+ * Module Name: hwxface - Public ACPICA hardware interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_HARDWARE
+ACPI_MODULE_NAME("hwxface")
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_reset
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Set reset register in memory or IO space. Note: Does not
+ * support reset register in PCI config space, this must be
+ * handled separately.
+ *
+ ******************************************************************************/
+acpi_status acpi_reset(void)
+{
+ struct acpi_generic_address *reset_reg;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_reset);
+
+ reset_reg = &acpi_gbl_FADT.reset_register;
+
+ /* Check if the reset register is supported */
+
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+ !reset_reg->address) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
+ if (reset_reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+ /*
+ * For I/O space, write directly to the OSL. This bypasses the port
+ * validation mechanism, which may block a valid write to the reset
+ * register.
+ *
+ * NOTE:
+ * The ACPI spec requires the reset register width to be 8, so we
+ * hardcode it here and ignore the FADT value. This maintains
+ * compatibility with other ACPI implementations that have allowed
+ * BIOS code with bad register width values to go unnoticed.
+ */
+ status =
+ acpi_os_write_port((acpi_io_address) reset_reg->address,
+ acpi_gbl_FADT.reset_value,
+ ACPI_RESET_REGISTER_WIDTH);
+ } else {
+ /* Write the reset value to the reset register */
+
+ status = acpi_hw_write(acpi_gbl_FADT.reset_value, reset_reg);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_reset)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_read
+ *
+ * PARAMETERS: value - Where the value is returned
+ * reg - GAS register structure
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Read from either memory or IO space.
+ *
+ * LIMITATIONS: <These limitations also apply to acpi_write>
+ * bit_width must be exactly 8, 16, 32, or 64.
+ * space_ID must be system_memory or system_IO.
+ * bit_offset and access_width are currently ignored, as there has
+ * not been a need to implement these.
+ *
+ ******************************************************************************/
+acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg)
+{
+ u32 value_lo;
+ u32 value_hi;
+ u32 width;
+ u64 address;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(acpi_read);
+
+ if (!return_value) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Validate contents of the GAS register. Allow 64-bit transfers */
+
+ status = acpi_hw_validate_register(reg, 64, &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Two address spaces supported: Memory or I/O. PCI_Config is
+ * not supported here because the GAS structure is insufficient
+ */
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ status = acpi_os_read_memory((acpi_physical_address)
+ address, return_value,
+ reg->bit_width);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+ value_lo = 0;
+ value_hi = 0;
+
+ width = reg->bit_width;
+ if (width == 64) {
+ width = 32; /* Break into two 32-bit transfers */
+ }
+
+ status = acpi_hw_read_port((acpi_io_address)
+ address, &value_lo, width);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (reg->bit_width == 64) {
+
+ /* Read the top 32 bits */
+
+ status = acpi_hw_read_port((acpi_io_address)
+ (address + 4), &value_hi,
+ 32);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /* Set the return value only if status is AE_OK */
+
+ *return_value = (value_lo | ((u64)value_hi << 32));
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n",
+ ACPI_FORMAT_UINT64(*return_value), reg->bit_width,
+ ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->space_id)));
+
+ return (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_read)
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_write
+ *
+ * PARAMETERS: value - Value to be written
+ * reg - GAS register structure
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write to either memory or IO space.
+ *
+ ******************************************************************************/
+acpi_status acpi_write(u64 value, struct acpi_generic_address *reg)
+{
+ u32 width;
+ u64 address;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(acpi_write);
+
+ /* Validate contents of the GAS register. Allow 64-bit transfers */
+
+ status = acpi_hw_validate_register(reg, 64, &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Two address spaces supported: Memory or IO. PCI_Config is
+ * not supported here because the GAS structure is insufficient
+ */
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ status = acpi_os_write_memory((acpi_physical_address)
+ address, value, reg->bit_width);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+ width = reg->bit_width;
+ if (width == 64) {
+ width = 32; /* Break into two 32-bit transfers */
+ }
+
+ status = acpi_hw_write_port((acpi_io_address)
+ address, ACPI_LODWORD(value),
+ width);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (reg->bit_width == 64) {
+ status = acpi_hw_write_port((acpi_io_address)
+ (address + 4),
+ ACPI_HIDWORD(value), 32);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n",
+ ACPI_FORMAT_UINT64(value), reg->bit_width,
+ ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->space_id)));
+
+ return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_write)
+
+#if (!ACPI_REDUCED_HARDWARE)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_read_bit_register
+ *
+ * PARAMETERS: register_id - ID of ACPI Bit Register to access
+ * return_value - Value that was read from the register,
+ * normalized to bit position zero.
+ *
+ * RETURN: Status and the value read from the specified Register. Value
+ * returned is normalized to bit0 (is shifted all the way right)
+ *
+ * DESCRIPTION: ACPI bit_register read function. Does not acquire the HW lock.
+ *
+ * SUPPORTS: Bit fields in PM1 Status, PM1 Enable, PM1 Control, and
+ * PM2 Control.
+ *
+ * Note: The hardware lock is not required when reading the ACPI bit registers
+ * since almost all of them are single bit and it does not matter that
+ * the parent hardware register can be split across two physical
+ * registers. The only multi-bit field is SLP_TYP in the PM1 control
+ * register, but this field does not cross an 8-bit boundary (nor does
+ * it make much sense to actually read this field.)
+ *
+ ******************************************************************************/
+acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value)
+{
+ struct acpi_bit_register_info *bit_reg_info;
+ u32 register_value;
+ u32 value;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE_U32(acpi_read_bit_register, register_id);
+
+ /* Get the info structure corresponding to the requested ACPI Register */
+
+ bit_reg_info = acpi_hw_get_bit_register_info(register_id);
+ if (!bit_reg_info) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Read the entire parent register */
+
+ status = acpi_hw_register_read(bit_reg_info->parent_register,
+ &register_value);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Normalize the value that was read, mask off other bits */
+
+ value = ((register_value & bit_reg_info->access_bit_mask)
+ >> bit_reg_info->bit_position);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "BitReg %X, ParentReg %X, Actual %8.8X, ReturnValue %8.8X\n",
+ register_id, bit_reg_info->parent_register,
+ register_value, value));
+
+ *return_value = value;
+ return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_read_bit_register)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_write_bit_register
+ *
+ * PARAMETERS: register_id - ID of ACPI Bit Register to access
+ * value - Value to write to the register, in bit
+ * position zero. The bit is automatically
+ * shifted to the correct position.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: ACPI Bit Register write function. Acquires the hardware lock
+ * since most operations require a read/modify/write sequence.
+ *
+ * SUPPORTS: Bit fields in PM1 Status, PM1 Enable, PM1 Control, and
+ * PM2 Control.
+ *
+ * Note that at this level, the fact that there may be actually two
+ * hardware registers (A and B - and B may not exist) is abstracted.
+ *
+ ******************************************************************************/
+acpi_status acpi_write_bit_register(u32 register_id, u32 value)
+{
+ struct acpi_bit_register_info *bit_reg_info;
+ acpi_cpu_flags lock_flags;
+ u32 register_value;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_U32(acpi_write_bit_register, register_id);
+
+ /* Get the info structure corresponding to the requested ACPI Register */
+
+ bit_reg_info = acpi_hw_get_bit_register_info(register_id);
+ if (!bit_reg_info) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
+
+ /*
+ * At this point, we know that the parent register is one of the
+ * following: PM1 Status, PM1 Enable, PM1 Control, or PM2 Control
+ */
+ if (bit_reg_info->parent_register != ACPI_REGISTER_PM1_STATUS) {
+ /*
+ * 1) Case for PM1 Enable, PM1 Control, and PM2 Control
+ *
+ * Perform a register read to preserve the bits that we are not
+ * interested in
+ */
+ status = acpi_hw_register_read(bit_reg_info->parent_register,
+ &register_value);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /*
+ * Insert the input bit into the value that was just read
+ * and write the register
+ */
+ ACPI_REGISTER_INSERT_VALUE(register_value,
+ bit_reg_info->bit_position,
+ bit_reg_info->access_bit_mask,
+ value);
+
+ status = acpi_hw_register_write(bit_reg_info->parent_register,
+ register_value);
+ } else {
+ /*
+ * 2) Case for PM1 Status
+ *
+ * The Status register is different from the rest. Clear an event
+ * by writing 1, writing 0 has no effect. So, the only relevant
+ * information is the single bit we're interested in, all others
+ * should be written as 0 so they will be left unchanged.
+ */
+ register_value = ACPI_REGISTER_PREPARE_BITS(value,
+ bit_reg_info->
+ bit_position,
+ bit_reg_info->
+ access_bit_mask);
+
+ /* No need to write the register if value is all zeros */
+
+ if (register_value) {
+ status =
+ acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
+ register_value);
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "BitReg %X, ParentReg %X, Value %8.8X, Actual %8.8X\n",
+ register_id, bit_reg_info->parent_register, value,
+ register_value));
+
+unlock_and_exit:
+
+ acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_write_bit_register)
+#endif /* !ACPI_REDUCED_HARDWARE */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_sleep_type_data
+ *
+ * PARAMETERS: sleep_state - Numeric sleep state
+ * *sleep_type_a - Where SLP_TYPa is returned
+ * *sleep_type_b - Where SLP_TYPb is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested
+ * sleep state via the appropriate \_Sx object.
+ *
+ * The sleep state package returned from the corresponding \_Sx_ object
+ * must contain at least one integer.
+ *
+ * March 2005:
+ * Added support for a package that contains two integers. This
+ * goes against the ACPI specification which defines this object as a
+ * package with one encoded DWORD integer. However, existing practice
+ * by many BIOS vendors is to return a package with 2 or more integer
+ * elements, at least one per sleep type (A/B).
+ *
+ * January 2013:
+ * Therefore, we must be prepared to accept a package with either a
+ * single integer or multiple integers.
+ *
+ * The single integer DWORD format is as follows:
+ * BYTE 0 - Value for the PM1A SLP_TYP register
+ * BYTE 1 - Value for the PM1B SLP_TYP register
+ * BYTE 2-3 - Reserved
+ *
+ * The dual integer format is as follows:
+ * Integer 0 - Value for the PM1A SLP_TYP register
+ * Integer 1 - Value for the PM1A SLP_TYP register
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
+{
+ acpi_status status;
+ struct acpi_evaluate_info *info;
+ union acpi_operand_object **elements;
+
+ ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data);
+
+ /* Validate parameters */
+
+ if ((sleep_state > ACPI_S_STATES_MAX) || !sleep_type_a || !sleep_type_b) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * Evaluate the \_Sx namespace object containing the register values
+ * for this state
+ */
+ info->relative_pathname =
+ ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
+ status = acpi_ns_evaluate(info);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ /* Must have a return object */
+
+ if (!info->return_object) {
+ ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
+ info->relative_pathname));
+ status = AE_AML_NO_RETURN_VALUE;
+ goto cleanup;
+ }
+
+ /* Return object must be of type Package */
+
+ if (info->return_object->common.type != ACPI_TYPE_PACKAGE) {
+ ACPI_ERROR((AE_INFO,
+ "Sleep State return object is not a Package"));
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup1;
+ }
+
+ /*
+ * Any warnings about the package length or the object types have
+ * already been issued by the predefined name module -- there is no
+ * need to repeat them here.
+ */
+ elements = info->return_object->package.elements;
+ switch (info->return_object->package.count) {
+ case 0:
+
+ status = AE_AML_PACKAGE_LIMIT;
+ break;
+
+ case 1:
+
+ if (elements[0]->common.type != ACPI_TYPE_INTEGER) {
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+
+ /* A valid _Sx_ package with one integer */
+
+ *sleep_type_a = (u8)elements[0]->integer.value;
+ *sleep_type_b = (u8)(elements[0]->integer.value >> 8);
+ break;
+
+ case 2:
+ default:
+
+ if ((elements[0]->common.type != ACPI_TYPE_INTEGER) ||
+ (elements[1]->common.type != ACPI_TYPE_INTEGER)) {
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
+
+ /* A valid _Sx_ package with two integers */
+
+ *sleep_type_a = (u8)elements[0]->integer.value;
+ *sleep_type_b = (u8)elements[1]->integer.value;
+ break;
+ }
+
+cleanup1:
+ acpi_ut_remove_reference(info->return_object);
+
+cleanup:
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While evaluating Sleep State [%s]",
+ info->relative_pathname));
+ }
+
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_sleep_type_data)
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
new file mode 100644