diff options
Diffstat (limited to 'include/asm-x86/gpio.h')
| -rw-r--r-- | include/asm-x86/gpio.h | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/include/asm-x86/gpio.h b/include/asm-x86/gpio.h index f269ff9cd40..f9e8f8918a9 100644 --- a/include/asm-x86/gpio.h +++ b/include/asm-x86/gpio.h @@ -1,6 +1,62 @@ -#ifndef ASM_X86__GPIO_H -#define ASM_X86__GPIO_H +/* + * Generic GPIO API implementation for x86. + * + * Derived from the generic GPIO API for powerpc: + * + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef _ASM_I386_GPIO_H +#define _ASM_I386_GPIO_H + +#ifdef CONFIG_X86_RDC321X #include <gpio.h> +#else /* CONFIG_X86_RDC321X */ + +#include <asm-generic/gpio.h> + +#ifdef CONFIG_GPIOLIB + +/* + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +/* + * Not implemented, yet. + */ +static inline int gpio_to_irq(unsigned int gpio) +{ + return -ENOSYS; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* CONFIG_X86_RDC321X */ #endif /* ASM_X86__GPIO_H */ |