1 /* 2 * Generic GPIO API implementation for x86. 3 * 4 * Derived from the generic GPIO API for powerpc: 5 * 6 * Copyright (c) 2007-2008 MontaVista Software, Inc. 7 * 8 * Author: Anton Vorontsov <avorontsov@ru.mvista.com> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16 #ifndef _ASM_X86_GPIO_H 17 #define _ASM_X86_GPIO_H 18 19 #include <asm-generic/gpio.h> 20 21 #ifdef CONFIG_GPIOLIB 22 23 /* 24 * Just call gpiolib. 25 */ gpio_get_value(unsigned int gpio)26static inline int gpio_get_value(unsigned int gpio) 27 { 28 return __gpio_get_value(gpio); 29 } 30 gpio_set_value(unsigned int gpio,int value)31static inline void gpio_set_value(unsigned int gpio, int value) 32 { 33 __gpio_set_value(gpio, value); 34 } 35 gpio_cansleep(unsigned int gpio)36static inline int gpio_cansleep(unsigned int gpio) 37 { 38 return __gpio_cansleep(gpio); 39 } 40 41 /* 42 * Not implemented, yet. 43 */ gpio_to_irq(unsigned int gpio)44static inline int gpio_to_irq(unsigned int gpio) 45 { 46 return -ENOSYS; 47 } 48 irq_to_gpio(unsigned int irq)49static inline int irq_to_gpio(unsigned int irq) 50 { 51 return -EINVAL; 52 } 53 54 #endif /* CONFIG_GPIOLIB */ 55 56 #endif /* _ASM_X86_GPIO_H */ 57