| 1 | /* |
| 2 | * Atheros AR71xx GPIO API definitions |
| 3 | * |
| 4 | * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published |
| 9 | * by the Free Software Foundation. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #ifndef __ASM_MACH_AR71XX_GPIO_H |
| 14 | #define __ASM_MACH_AR71XX_GPIO_H |
| 15 | |
| 16 | #define ARCH_NR_GPIOS 64 |
| 17 | #include <asm-generic/gpio.h> |
| 18 | |
| 19 | #include <asm/mach-ar71xx/ar71xx.h> |
| 20 | |
| 21 | extern unsigned long ar71xx_gpio_count; |
| 22 | extern void __ar71xx_gpio_set_value(unsigned gpio, int value); |
| 23 | extern int __ar71xx_gpio_get_value(unsigned gpio); |
| 24 | |
| 25 | static inline int gpio_to_irq(unsigned gpio) |
| 26 | { |
| 27 | return AR71XX_GPIO_IRQ(gpio); |
| 28 | } |
| 29 | |
| 30 | static inline int irq_to_gpio(unsigned irq) |
| 31 | { |
| 32 | return irq - AR71XX_GPIO_IRQ_BASE; |
| 33 | } |
| 34 | |
| 35 | static inline int gpio_get_value(unsigned gpio) |
| 36 | { |
| 37 | if (gpio < ar71xx_gpio_count) |
| 38 | return __ar71xx_gpio_get_value(gpio); |
| 39 | |
| 40 | return __gpio_get_value(gpio); |
| 41 | } |
| 42 | |
| 43 | static inline void gpio_set_value(unsigned gpio, int value) |
| 44 | { |
| 45 | if (gpio < ar71xx_gpio_count) |
| 46 | __ar71xx_gpio_set_value(gpio, value); |
| 47 | else |
| 48 | __gpio_set_value(gpio, value); |
| 49 | } |
| 50 | |
| 51 | #define gpio_cansleep __gpio_cansleep |
| 52 | |
| 53 | #endif /* __ASM_MACH_AR71XX_GPIO_H */ |
| 54 | |
