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-rw-r--r--arch/arm/mach-pnx4008/include/mach/gpio.h241
1 files changed, 241 insertions, 0 deletions
diff --git a/arch/arm/mach-pnx4008/include/mach/gpio.h b/arch/arm/mach-pnx4008/include/mach/gpio.h
new file mode 100644
index 00000000000..9591467eb9e
--- /dev/null
+++ b/arch/arm/mach-pnx4008/include/mach/gpio.h
@@ -0,0 +1,241 @@
+/*
+ * arch/arm/mach-pnx4008/include/mach/gpio.h
+ *
+ * PNX4008 GPIO driver - header file
+ *
+ * Author: Dmitry Chigirev <source@mvista.com>
+ *
+ * Based on reference code by Iwo Mergler and Z.Tabaaloute from Philips:
+ * Copyright (c) 2005 Koninklijke Philips Electronics N.V.
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef _PNX4008_GPIO_H_
+#define _PNX4008_GPIO_H_
+
+
+/* Block numbers */
+#define GPIO_IN (0)
+#define GPIO_OUT (0x100)
+#define GPIO_BID (0x200)
+#define GPIO_RAM (0x300)
+#define GPIO_MUX (0x400)
+
+#define GPIO_TYPE_MASK(K) ((K) & 0x700)
+
+/* INPUT GPIOs */
+/* GPI */
+#define GPI_00 (GPIO_IN | 0)
+#define GPI_01 (GPIO_IN | 1)
+#define GPI_02 (GPIO_IN | 2)
+#define GPI_03 (GPIO_IN | 3)
+#define GPI_04 (GPIO_IN | 4)
+#define GPI_05 (GPIO_IN | 5)
+#define GPI_06 (GPIO_IN | 6)
+#define GPI_07 (GPIO_IN | 7)
+#define GPI_08 (GPIO_IN | 8)
+#define GPI_09 (GPIO_IN | 9)
+#define U1_RX (GPIO_IN | 15)
+#define U2_HTCS (GPIO_IN | 16)
+#define U2_RX (GPIO_IN | 17)
+#define U3_RX (GPIO_IN | 18)
+#define U4_RX (GPIO_IN | 19)
+#define U5_RX (GPIO_IN | 20)
+#define U6_IRRX (GPIO_IN | 21)
+#define U7_HCTS (GPIO_IN | 22)
+#define U7_RX (GPIO_IN | 23)
+/* MISC IN */
+#define SPI1_DATIN (GPIO_IN | 25)
+#define DISP_SYNC (GPIO_IN | 26)
+#define SPI2_DATIN (GPIO_IN | 27)
+#define GPI_11 (GPIO_IN | 28)
+
+#define GPIO_IN_MASK 0x1eff83ff
+
+/* OUTPUT GPIOs */
+/* GPO */
+#define GPO_00 (GPIO_OUT | 0)
+#define GPO_01 (GPIO_OUT | 1)
+#define GPO_02 (GPIO_OUT | 2)
+#define GPO_03 (GPIO_OUT | 3)
+#define GPO_04 (GPIO_OUT | 4)
+#define GPO_05 (GPIO_OUT | 5)
+#define GPO_06 (GPIO_OUT | 6)
+#define GPO_07 (GPIO_OUT | 7)
+#define GPO_08 (GPIO_OUT | 8)
+#define GPO_09 (GPIO_OUT | 9)
+#define GPO_10 (GPIO_OUT | 10)
+#define GPO_11 (GPIO_OUT | 11)
+#define GPO_12 (GPIO_OUT | 12)
+#define GPO_13 (GPIO_OUT | 13)
+#define GPO_14 (GPIO_OUT | 14)
+#define GPO_15 (GPIO_OUT | 15)
+#define GPO_16 (GPIO_OUT | 16)
+#define GPO_17 (GPIO_OUT | 17)
+#define GPO_18 (GPIO_OUT | 18)
+#define GPO_19 (GPIO_OUT | 19)
+#define GPO_20 (GPIO_OUT | 20)
+#define GPO_21 (GPIO_OUT | 21)
+#define GPO_22 (GPIO_OUT | 22)
+#define GPO_23 (GPIO_OUT | 23)
+
+#define GPIO_OUT_MASK 0xffffff
+
+/* BIDIRECTIONAL GPIOs */
+/* RAM pins */
+#define RAM_D19 (GPIO_RAM | 0)
+#define RAM_D20 (GPIO_RAM | 1)
+#define RAM_D21 (GPIO_RAM | 2)
+#define RAM_D22 (GPIO_RAM | 3)
+#define RAM_D23 (GPIO_RAM | 4)
+#define RAM_D24 (GPIO_RAM | 5)
+#define RAM_D25 (GPIO_RAM | 6)
+#define RAM_D26 (GPIO_RAM | 7)
+#define RAM_D27 (GPIO_RAM | 8)
+#define RAM_D28 (GPIO_RAM | 9)
+#define RAM_D29 (GPIO_RAM | 10)
+#define RAM_D30 (GPIO_RAM | 11)
+#define RAM_D31 (GPIO_RAM | 12)
+
+#define GPIO_RAM_MASK 0x1fff
+
+/* I/O pins */
+#define GPIO_00 (GPIO_BID | 25)
+#define GPIO_01 (GPIO_BID | 26)
+#define GPIO_02 (GPIO_BID | 27)
+#define GPIO_03 (GPIO_BID | 28)
+#define GPIO_04 (GPIO_BID | 29)
+#define GPIO_05 (GPIO_BID | 30)
+
+#define GPIO_BID_MASK 0x7e000000
+
+/* Non-GPIO multiplexed PIOs. For multiplexing with GPIO, please use GPIO macros */
+#define GPIO_SDRAM_SEL (GPIO_MUX | 3)
+
+#define GPIO_MUX_MASK 0x8
+
+/* Extraction/assembly macros */
+#define GPIO_BIT_MASK(K) ((K) & 0x1F)
+#define GPIO_BIT(K) (1 << GPIO_BIT_MASK(K))
+#define GPIO_ISMUX(K) ((GPIO_TYPE_MASK(K) == GPIO_MUX) && (GPIO_BIT(K) & GPIO_MUX_MASK))
+#define GPIO_ISRAM(K) ((GPIO_TYPE_MASK(K) == GPIO_RAM) && (GPIO_BIT(K) & GPIO_RAM_MASK))
+#define GPIO_ISBID(K) ((GPIO_TYPE_MASK(K) == GPIO_BID) && (GPIO_BIT(K) & GPIO_BID_MASK))
+#define GPIO_ISOUT(K) ((GPIO_TYPE_MASK(K) == GPIO_OUT) && (GPIO_BIT(K) & GPIO_OUT_MASK))
+#define GPIO_ISIN(K) ((GPIO_TYPE_MASK(K) == GPIO_IN) && (GPIO_BIT(K) & GPIO_IN_MASK))
+
+/* Start Enable Pin Interrupts - table 58 page 66 */
+
+#define SE_PIN_BASE_INT 32
+
+#define SE_U7_RX_INT 63
+#define SE_U7_HCTS_INT 62
+#define SE_BT_CLKREQ_INT 61
+#define SE_U6_IRRX_INT 60
+/*59 unused*/
+#define SE_U5_RX_INT 58
+#define SE_GPI_11_INT 57
+#define SE_U3_RX_INT 56
+#define SE_U2_HCTS_INT 55
+#define SE_U2_RX_INT 54
+#define SE_U1_RX_INT 53
+#define SE_DISP_SYNC_INT 52
+/*51 unused*/
+#define SE_SDIO_INT_N 50
+#define SE_MSDIO_START_INT 49
+#define SE_GPI_06_INT 48
+#define SE_GPI_05_INT 47
+#define SE_GPI_04_INT 46
+#define SE_GPI_03_INT 45
+#define SE_GPI_02_INT 44
+#define SE_GPI_01_INT 43
+#define SE_GPI_00_INT 42
+#define SE_SYSCLKEN_PIN_INT 41
+#define SE_SPI1_DATAIN_INT 40
+#define SE_GPI_07_INT 39
+#define SE_SPI2_DATAIN_INT 38
+#define SE_GPI_10_INT 37
+#define SE_GPI_09_INT 36
+#define SE_GPI_08_INT 35
+/*34-32 unused*/
+
+/* Start Enable Internal Interrupts - table 57 page 65 */
+
+#define SE_INT_BASE_INT 0
+
+#define SE_TS_IRQ 31
+#define SE_TS_P_INT 30
+#define SE_TS_AUX_INT 29
+/*27-28 unused*/
+#define SE_USB_AHB_NEED_CLK_INT 26
+#define SE_MSTIMER_INT 25
+#define SE_RTC_INT 24
+#define SE_USB_NEED_CLK_INT 23
+#define SE_USB_INT 22
+#define SE_USB_I2C_INT 21
+#define SE_USB_OTG_TIMER_INT 20
+#define SE_USB_OTG_ATX_INT_N 19
+/*18 unused*/
+#define SE_DSP_GPIO4_INT 17
+#define SE_KEY_IRQ 16
+#define SE_DSP_SLAVEPORT_INT 15
+#define SE_DSP_GPIO1_INT 14
+#define SE_DSP_GPIO0_INT 13
+#define SE_DSP_AHB_INT 12
+/*11-6 unused*/
+#define SE_GPIO_05_INT 5
+#define SE_GPIO_04_INT 4
+#define SE_GPIO_03_INT 3
+#define SE_GPIO_02_INT 2
+#define SE_GPIO_01_INT 1
+#define SE_GPIO_00_INT 0
+
+#define START_INT_REG_BIT(irq) (1<<((irq)&0x1F))
+
+#define START_INT_ER_REG(irq) IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x20 + (((irq)&(0x1<<5))>>1)))
+#define START_INT_RSR_REG(irq) IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x24 + (((irq)&(0x1<<5))>>1)))
+#define START_INT_SR_REG(irq) IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x28 + (((irq)&(0x1<<5))>>1)))
+#define START_INT_APR_REG(irq) IO_ADDRESS((PNX4008_PWRMAN_BASE + 0x2C + (((irq)&(0x1<<5))>>1)))
+
+extern int pnx4008_gpio_register_pin(unsigned short pin);
+extern int pnx4008_gpio_unregister_pin(unsigned short pin);
+extern unsigned long pnx4008_gpio_read_pin(unsigned short pin);
+extern int pnx4008_gpio_write_pin(unsigned short pin, int output);
+extern int pnx4008_gpio_set_pin_direction(unsigned short pin, int output);
+extern int pnx4008_gpio_read_pin_direction(unsigned short pin);
+extern int pnx4008_gpio_set_pin_mux(unsigned short pin, int output);
+extern int pnx4008_gpio_read_pin_mux(unsigned short pin);
+
+static inline void start_int_umask(u8 irq)
+{
+ __raw_writel(__raw_readl(START_INT_ER_REG(irq)) |
+ START_INT_REG_BIT(irq), START_INT_ER_REG(irq));
+}
+
+static inline void start_int_mask(u8 irq)
+{
+ __raw_writel(__raw_readl(START_INT_ER_REG(irq)) &
+ ~START_INT_REG_BIT(irq), START_INT_ER_REG(irq));
+}
+
+static inline void start_int_ack(u8 irq)
+{
+ __raw_writel(START_INT_REG_BIT(irq), START_INT_RSR_REG(irq));
+}
+
+static inline void start_int_set_falling_edge(u8 irq)
+{
+ __raw_writel(__raw_readl(START_INT_APR_REG(irq)) &
+ ~START_INT_REG_BIT(irq), START_INT_APR_REG(irq));
+}
+
+static inline void start_int_set_rising_edge(u8 irq)
+{
+ __raw_writel(__raw_readl(START_INT_APR_REG(irq)) |
+ START_INT_REG_BIT(irq), START_INT_APR_REG(irq));
+}
+
+#endif /* _PNX4008_GPIO_H_ */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-03 15:41:59 +0000