1 /* 2 * Generic GPIO API implementation for PowerPC. 3 * 4 * Copyright (c) 2007-2008 MontaVista Software, Inc. 5 * 6 * Author: Anton Vorontsov <avorontsov@ru.mvista.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14 #ifndef __ASM_POWERPC_GPIO_H 15 #define __ASM_POWERPC_GPIO_H 16 17 #include <linux/errno.h> 18 #include <asm-generic/gpio.h> 19 20 #ifdef CONFIG_GPIOLIB 21 22 /* 23 * We don't (yet) implement inlined/rapid versions for on-chip gpios. 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 gpio_to_irq(unsigned int gpio)41static inline int gpio_to_irq(unsigned int gpio) 42 { 43 return __gpio_to_irq(gpio); 44 } 45 irq_to_gpio(unsigned int irq)46static inline int irq_to_gpio(unsigned int irq) 47 { 48 return -EINVAL; 49 } 50 51 #endif /* CONFIG_GPIOLIB */ 52 53 #endif /* __ASM_POWERPC_GPIO_H */ 54