| /* |
| * linux/include/asm-arm/arch-ep93xx/gpio.h |
| */ |
| |
| #ifndef __ASM_ARCH_GPIO_H |
| #define __ASM_ARCH_GPIO_H |
| |
| /* GPIO port A. */ |
| #define EP93XX_GPIO_LINE_A(x) ((x) + 0) |
| #define EP93XX_GPIO_LINE_EGPIO0 EP93XX_GPIO_LINE_A(0) |
| #define EP93XX_GPIO_LINE_EGPIO1 EP93XX_GPIO_LINE_A(1) |
| #define EP93XX_GPIO_LINE_EGPIO2 EP93XX_GPIO_LINE_A(2) |
| #define EP93XX_GPIO_LINE_EGPIO3 EP93XX_GPIO_LINE_A(3) |
| #define EP93XX_GPIO_LINE_EGPIO4 EP93XX_GPIO_LINE_A(4) |
| #define EP93XX_GPIO_LINE_EGPIO5 EP93XX_GPIO_LINE_A(5) |
| #define EP93XX_GPIO_LINE_EGPIO6 EP93XX_GPIO_LINE_A(6) |
| #define EP93XX_GPIO_LINE_EGPIO7 EP93XX_GPIO_LINE_A(7) |
| |
| /* GPIO port B. */ |
| #define EP93XX_GPIO_LINE_B(x) ((x) + 8) |
| #define EP93XX_GPIO_LINE_EGPIO8 EP93XX_GPIO_LINE_B(0) |
| #define EP93XX_GPIO_LINE_EGPIO9 EP93XX_GPIO_LINE_B(1) |
| #define EP93XX_GPIO_LINE_EGPIO10 EP93XX_GPIO_LINE_B(2) |
| #define EP93XX_GPIO_LINE_EGPIO11 EP93XX_GPIO_LINE_B(3) |
| #define EP93XX_GPIO_LINE_EGPIO12 EP93XX_GPIO_LINE_B(4) |
| #define EP93XX_GPIO_LINE_EGPIO13 EP93XX_GPIO_LINE_B(5) |
| #define EP93XX_GPIO_LINE_EGPIO14 EP93XX_GPIO_LINE_B(6) |
| #define EP93XX_GPIO_LINE_EGPIO15 EP93XX_GPIO_LINE_B(7) |
| |
| /* GPIO port C. */ |
| #define EP93XX_GPIO_LINE_C(x) ((x) + 40) |
| #define EP93XX_GPIO_LINE_ROW0 EP93XX_GPIO_LINE_C(0) |
| #define EP93XX_GPIO_LINE_ROW1 EP93XX_GPIO_LINE_C(1) |
| #define EP93XX_GPIO_LINE_ROW2 EP93XX_GPIO_LINE_C(2) |
| #define EP93XX_GPIO_LINE_ROW3 EP93XX_GPIO_LINE_C(3) |
| #define EP93XX_GPIO_LINE_ROW4 EP93XX_GPIO_LINE_C(4) |
| #define EP93XX_GPIO_LINE_ROW5 EP93XX_GPIO_LINE_C(5) |
| #define EP93XX_GPIO_LINE_ROW6 EP93XX_GPIO_LINE_C(6) |
| #define EP93XX_GPIO_LINE_ROW7 EP93XX_GPIO_LINE_C(7) |
| |
| /* GPIO port D. */ |
| #define EP93XX_GPIO_LINE_D(x) ((x) + 24) |
| #define EP93XX_GPIO_LINE_COL0 EP93XX_GPIO_LINE_D(0) |
| #define EP93XX_GPIO_LINE_COL1 EP93XX_GPIO_LINE_D(1) |
| #define EP93XX_GPIO_LINE_COL2 EP93XX_GPIO_LINE_D(2) |
| #define EP93XX_GPIO_LINE_COL3 EP93XX_GPIO_LINE_D(3) |
| #define EP93XX_GPIO_LINE_COL4 EP93XX_GPIO_LINE_D(4) |
| #define EP93XX_GPIO_LINE_COL5 EP93XX_GPIO_LINE_D(5) |
| #define EP93XX_GPIO_LINE_COL6 EP93XX_GPIO_LINE_D(6) |
| #define EP93XX_GPIO_LINE_COL7 EP93XX_GPIO_LINE_D(7) |
| |
| /* GPIO port E. */ |
| #define EP93XX_GPIO_LINE_E(x) ((x) + 32) |
| #define EP93XX_GPIO_LINE_GRLED EP93XX_GPIO_LINE_E(0) |
| #define EP93XX_GPIO_LINE_RDLED EP93XX_GPIO_LINE_E(1) |
| #define EP93XX_GPIO_LINE_DIORn EP93XX_GPIO_LINE_E(2) |
| #define EP93XX_GPIO_LINE_IDECS1n EP93XX_GPIO_LINE_E(3) |
| #define EP93XX_GPIO_LINE_IDECS2n EP93XX_GPIO_LINE_E(4) |
| #define EP93XX_GPIO_LINE_IDEDA0 EP93XX_GPIO_LINE_E(5) |
| #define EP93XX_GPIO_LINE_IDEDA1 EP93XX_GPIO_LINE_E(6) |
| #define EP93XX_GPIO_LINE_IDEDA2 EP93XX_GPIO_LINE_E(7) |
| |
| /* GPIO port F. */ |
| #define EP93XX_GPIO_LINE_F(x) ((x) + 16) |
| #define EP93XX_GPIO_LINE_WP EP93XX_GPIO_LINE_F(0) |
| #define EP93XX_GPIO_LINE_MCCD1 EP93XX_GPIO_LINE_F(1) |
| #define EP93XX_GPIO_LINE_MCCD2 EP93XX_GPIO_LINE_F(2) |
| #define EP93XX_GPIO_LINE_MCBVD1 EP93XX_GPIO_LINE_F(3) |
| #define EP93XX_GPIO_LINE_MCBVD2 EP93XX_GPIO_LINE_F(4) |
| #define EP93XX_GPIO_LINE_VS1 EP93XX_GPIO_LINE_F(5) |
| #define EP93XX_GPIO_LINE_READY EP93XX_GPIO_LINE_F(6) |
| #define EP93XX_GPIO_LINE_VS2 EP93XX_GPIO_LINE_F(7) |
| |
| /* GPIO port G. */ |
| #define EP93XX_GPIO_LINE_G(x) ((x) + 48) |
| #define EP93XX_GPIO_LINE_EECLK EP93XX_GPIO_LINE_G(0) |
| #define EP93XX_GPIO_LINE_EEDAT EP93XX_GPIO_LINE_G(1) |
| #define EP93XX_GPIO_LINE_SLA0 EP93XX_GPIO_LINE_G(2) |
| #define EP93XX_GPIO_LINE_SLA1 EP93XX_GPIO_LINE_G(3) |
| #define EP93XX_GPIO_LINE_DD12 EP93XX_GPIO_LINE_G(4) |
| #define EP93XX_GPIO_LINE_DD13 EP93XX_GPIO_LINE_G(5) |
| #define EP93XX_GPIO_LINE_DD14 EP93XX_GPIO_LINE_G(6) |
| #define EP93XX_GPIO_LINE_DD15 EP93XX_GPIO_LINE_G(7) |
| |
| /* GPIO port H. */ |
| #define EP93XX_GPIO_LINE_H(x) ((x) + 56) |
| #define EP93XX_GPIO_LINE_DD0 EP93XX_GPIO_LINE_H(0) |
| #define EP93XX_GPIO_LINE_DD1 EP93XX_GPIO_LINE_H(1) |
| #define EP93XX_GPIO_LINE_DD2 EP93XX_GPIO_LINE_H(2) |
| #define EP93XX_GPIO_LINE_DD3 EP93XX_GPIO_LINE_H(3) |
| #define EP93XX_GPIO_LINE_DD4 EP93XX_GPIO_LINE_H(4) |
| #define EP93XX_GPIO_LINE_DD5 EP93XX_GPIO_LINE_H(5) |
| #define EP93XX_GPIO_LINE_DD6 EP93XX_GPIO_LINE_H(6) |
| #define EP93XX_GPIO_LINE_DD7 EP93XX_GPIO_LINE_H(7) |
| |
| /* maximum value for gpio line identifiers */ |
| #define EP93XX_GPIO_LINE_MAX EP93XX_GPIO_LINE_H(7) |
| |
| /* maximum value for irq capable line identifiers */ |
| #define EP93XX_GPIO_LINE_MAX_IRQ EP93XX_GPIO_LINE_F(7) |
| |
| /* new generic GPIO API - see Documentation/gpio.txt */ |
| |
| static inline int gpio_request(unsigned gpio, const char *label) |
| { |
| if (gpio > EP93XX_GPIO_LINE_MAX) |
| return -EINVAL; |
| return 0; |
| } |
| |
| static inline void gpio_free(unsigned gpio) |
| { |
| } |
| |
| int gpio_direction_input(unsigned gpio); |
| int gpio_direction_output(unsigned gpio, int value); |
| int gpio_get_value(unsigned gpio); |
| void gpio_set_value(unsigned gpio, int value); |
| |
| #include <asm-generic/gpio.h> /* cansleep wrappers */ |
| |
| /* |
| * Map GPIO A0..A7 (0..7) to irq 64..71, |
| * B0..B7 (7..15) to irq 72..79, and |
| * F0..F7 (16..24) to irq 80..87. |
| */ |
| |
| static inline int gpio_to_irq(unsigned gpio) |
| { |
| if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ) |
| return 64 + gpio; |
| |
| return -EINVAL; |
| } |
| |
| static inline int irq_to_gpio(unsigned irq) |
| { |
| return irq - gpio_to_irq(0); |
| } |
| |
| #endif |
