projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| e2bb6650 EM |
1 | #ifndef __ASM_MACH_GPIO_H |
| 2 | #define __ASM_MACH_GPIO_H | |
| 3 | ||
| 4 | #include <mach/addr-map.h> | |
| 5 | #include <mach/irqs.h> | |
| 6 | #include <asm-generic/gpio.h> | |
| 7 | ||
| 8 | #define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) | |
| 9 | ||
| 10 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) | |
| 11 | #define GPIO_REG(x) (*((volatile u32 *)(GPIO_REGS_VIRT + (x)))) | |
| 12 | ||
| 55d3936d | 13 | #define NR_BUILTIN_GPIO (192) |
| e2bb6650 EM |
14 | |
| 15 | #define gpio_to_bank(gpio) ((gpio) >> 5) | |
| 16 | #define gpio_to_irq(gpio) (IRQ_GPIO_START + (gpio)) | |
| 17 | #define irq_to_gpio(irq) ((irq) - IRQ_GPIO_START) | |
| 18 | ||
| 19 | ||
| 20 | #define __gpio_is_inverted(gpio) (0) | |
| 21 | #define __gpio_is_occupied(gpio) (0) | |
| 22 | ||
| 23 | /* NOTE: these macros are defined here to make optimization of | |
| 24 | * gpio_{get,set}_value() to work when 'gpio' is a constant. | |
| 25 | * Usage of these macros otherwise is no longer recommended, | |
| 26 | * use generic GPIO API whenever possible. | |
| 27 | */ | |
| 28 | #define GPIO_bit(gpio) (1 << ((gpio) & 0x1f)) | |
| 29 | ||
| 30 | #define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00) | |
| 31 | #define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c) | |
| 32 | #define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18) | |
| 33 | #define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24) | |
| 34 | ||
| 35 | #include <plat/gpio.h> | |
| 36 | #endif /* __ASM_MACH_GPIO_H */ |