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openwrt-xburst/target/linux/ar71xx/files/include/asm-mips/mach-ar71xx/gpio.h
juhosg b80c50f7cf [ar71xx] make all AR913x GPIO lines usable
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13509 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-12-04 12:17:14 +00:00

54 lines
1.2 KiB
C

/*
* Atheros AR71xx GPIO API definitions
*
* Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#ifndef __ASM_MACH_AR71XX_GPIO_H
#define __ASM_MACH_AR71XX_GPIO_H
#define ARCH_NR_GPIOS 64
#include <asm-generic/gpio.h>
#include <asm/mach-ar71xx/ar71xx.h>
extern unsigned long ar71xx_gpio_count;
extern void __ar71xx_gpio_set_value(unsigned gpio, int value);
extern int __ar71xx_gpio_get_value(unsigned gpio);
static inline int gpio_to_irq(unsigned gpio)
{
return AR71XX_GPIO_IRQ(gpio);
}
static inline int irq_to_gpio(unsigned irq)
{
return irq - AR71XX_GPIO_IRQ_BASE;
}
static inline int gpio_get_value(unsigned gpio)
{
if (gpio < ar71xx_gpio_count)
return __ar71xx_gpio_get_value(gpio);
return __gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
if (gpio < ar71xx_gpio_count)
__ar71xx_gpio_set_value(gpio, value);
else
__gpio_set_value(gpio, value);
}
#define gpio_cansleep __gpio_cansleep
#endif /* __ASM_MACH_AR71XX_GPIO_H */