2 * Atheros AR71xx GPIO API definitions
4 * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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.
13 #ifndef __ASM_MACH_AR71XX_GPIO_H
14 #define __ASM_MACH_AR71XX_GPIO_H
16 #define ARCH_NR_GPIOS 64
17 #include <asm-generic/gpio.h>
19 #include <asm/mach-ar71xx/ar71xx.h>
21 extern void __ar71xx_gpio_set_value(unsigned gpio, int value);
22 extern int __ar71xx_gpio_get_value(unsigned gpio);
24 static inline int gpio_to_irq(unsigned gpio)
26 return AR71XX_GPIO_IRQ(gpio);
29 static inline int irq_to_gpio(unsigned irq)
31 return irq - AR71XX_GPIO_IRQ_BASE;
34 static inline int gpio_get_value(unsigned gpio)
36 if (gpio < AR71XX_GPIO_COUNT)
37 return __ar71xx_gpio_get_value(gpio);
39 return __gpio_get_value(gpio);
42 static inline void gpio_set_value(unsigned gpio, int value)
44 if (gpio < AR71XX_GPIO_COUNT)
45 __ar71xx_gpio_set_value(gpio, value);
47 __gpio_set_value(gpio, value);
50 #define gpio_cansleep __gpio_cansleep
52 #endif /* __ASM_MACH_AR71XX_GPIO_H */