diff options
Diffstat (limited to 'target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h')
| -rw-r--r-- | target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h new file mode 100644 index 0000000000..e8a0836a32 --- /dev/null +++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/gpio.h @@ -0,0 +1,52 @@ +/* + * Ralink RT288x GPIO API definitions + * + * Copyright (C) 2008-2009 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_RT288X_GPIO_H +#define __ASM_MACH_RT288X_GPIO_H + +#define ARCH_NR_GPIOS 64 +#include <asm-generic/gpio.h> + +#include <asm/mach-ralink/rt288x.h> + +extern void __rt288x_gpio_set_value(unsigned gpio, int value); +extern int __rt288x_gpio_get_value(unsigned gpio); + +static inline int gpio_to_irq(unsigned gpio) +{ + return RT288X_GPIO_IRQ(gpio); +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq - RT288X_GPIO_IRQ_BASE; +} + +static inline int gpio_get_value(unsigned gpio) +{ + if (gpio < RT288X_GPIO_COUNT) + return __rt288x_gpio_get_value(gpio); + + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + if (gpio < RT288X_GPIO_COUNT) + __rt288x_gpio_set_value(gpio, value); + else + __gpio_set_value(gpio, value); +} + +#define gpio_cansleep __gpio_cansleep + +#endif /* __ASM_MACH_RT288X_GPIO_H */ |