| /* |
| * 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_HAVE_GPIO_LIB |
| |
| /* |
| * 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_HAVE_GPIO_LIB */ |
| |
| #endif /* __ASM_POWERPC_GPIO_H */ |