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Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/sysmmu.h')
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1 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
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index 00000000000..598fc5c9211
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+++ b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
@@ -0,0 +1,122 @@
+/* linux/arch/arm/mach-s5pv310/include/mach/sysmmu.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Samsung sysmmu driver for S5PV310
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARM_ARCH_SYSMMU_H
+#define __ASM_ARM_ARCH_SYSMMU_H __FILE__
+
+#define S5PV310_SYSMMU_TOTAL_IPNUM 16
+#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM
+
+enum s5pv310_sysmmu_ips {
+ SYSMMU_MDMA,
+ SYSMMU_SSS,
+ SYSMMU_FIMC0,
+ SYSMMU_FIMC1,
+ SYSMMU_FIMC2,
+ SYSMMU_FIMC3,
+ SYSMMU_JPEG,
+ SYSMMU_FIMD0,
+ SYSMMU_FIMD1,
+ SYSMMU_PCIe,
+ SYSMMU_G2D,
+ SYSMMU_ROTATOR,
+ SYSMMU_MDMA2,
+ SYSMMU_TV,
+ SYSMMU_MFC_L,
+ SYSMMU_MFC_R,
+};
+
+static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
+ "SYSMMU_MDMA" ,
+ "SYSMMU_SSS" ,
+ "SYSMMU_FIMC0" ,
+ "SYSMMU_FIMC1" ,
+ "SYSMMU_FIMC2" ,
+ "SYSMMU_FIMC3" ,
+ "SYSMMU_JPEG" ,
+ "SYSMMU_FIMD0" ,
+ "SYSMMU_FIMD1" ,
+ "SYSMMU_PCIe" ,
+ "SYSMMU_G2D" ,
+ "SYSMMU_ROTATOR",
+ "SYSMMU_MDMA2" ,
+ "SYSMMU_TV" ,
+ "SYSMMU_MFC_L" ,
+ "SYSMMU_MFC_R" ,
+};
+
+typedef enum s5pv310_sysmmu_ips sysmmu_ips;
+
+struct sysmmu_tt_info {
+ unsigned long *pgd;
+ unsigned long pgd_paddr;
+ unsigned long *pte;
+};
+
+struct sysmmu_controller {
+ const char *name;
+
+ /* channels registers */
+ void __iomem *regs;
+
+ /* channel irq */
+ unsigned int irq;
+
+ sysmmu_ips ips;
+
+ /* Translation Table Info. */
+ struct sysmmu_tt_info *tt_info;
+
+ struct resource *mem;
+ struct device *dev;
+
+ /* SysMMU controller enable - true : enable */
+ bool enable;
+};
+
+/**
+ * s5p_sysmmu_enable() - enable system mmu of ip
+ * @ips: The ip connected system mmu.
+ *
+ * This function enable system mmu to transfer address
+ * from virtual address to physical address
+ */
+int s5p_sysmmu_enable(sysmmu_ips ips);
+
+/**
+ * s5p_sysmmu_disable() - disable sysmmu mmu of ip
+ * @ips: The ip connected system mmu.
+ *
+ * This function disable system mmu to transfer address
+ * from virtual address to physical address
+ */
+int s5p_sysmmu_disable(sysmmu_ips ips);
+
+/**
+ * s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table
+ * @ips: The ip connected system mmu.
+ * @pgd: The page table base address.
+ *
+ * This function set page table base address
+ * When system mmu transfer address from virtaul address to physical address,
+ * system mmu refer address information from page table
+ */
+int s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd);
+
+/**
+ * s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu
+ * @ips: The ip connected system mmu.
+ *
+ * This function flush all TLB entry in system mmu
+ */
+int s5p_sysmmu_tlb_invalidate(sysmmu_ips ips);
+#endif /* __ASM_ARM_ARCH_SYSMMU_H */