| /* |
| * 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_ */ |
