|  | /* | 
|  | * Generic GPIO API implementation 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_POWERPC_GPIO_H | 
|  | #define __ASM_POWERPC_GPIO_H | 
|  |  | 
|  | #include <linux/errno.h> | 
|  | #include <asm-generic/gpio.h> | 
|  |  | 
|  | #ifdef CONFIG_GPIOLIB | 
|  |  | 
|  | /* | 
|  | * We don't (yet) implement inlined/rapid versions for on-chip gpios. | 
|  | * 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 /* __ASM_POWERPC_GPIO_H */ |