| Mark Brown | 81ee42b | 2011-05-24 17:12:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic GPIO API implementation for Alpha. |
| 3 | * |
| 4 | * A stright copy of that for PowerPC which was: |
| 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_ALPHA_GPIO_H |
| 17 | #define _ASM_ALPHA_GPIO_H |
| 18 | |
| 19 | #include <linux/errno.h> |
| 20 | #include <asm-generic/gpio.h> |
| 21 | |
| 22 | #ifdef CONFIG_GPIOLIB |
| 23 | |
| 24 | /* |
| 25 | * We don't (yet) implement inlined/rapid versions for on-chip gpios. |
| 26 | * Just call gpiolib. |
| 27 | */ |
| 28 | static inline int gpio_get_value(unsigned int gpio) |
| 29 | { |
| 30 | return __gpio_get_value(gpio); |
| 31 | } |
| 32 | |
| 33 | static inline void gpio_set_value(unsigned int gpio, int value) |
| 34 | { |
| 35 | __gpio_set_value(gpio, value); |
| 36 | } |
| 37 | |
| 38 | static inline int gpio_cansleep(unsigned int gpio) |
| 39 | { |
| 40 | return __gpio_cansleep(gpio); |
| 41 | } |
| 42 | |
| 43 | static inline int gpio_to_irq(unsigned int gpio) |
| 44 | { |
| 45 | return __gpio_to_irq(gpio); |
| 46 | } |
| 47 | |
| 48 | static inline int irq_to_gpio(unsigned int irq) |
| 49 | { |
| 50 | return -EINVAL; |
| 51 | } |
| 52 | |
| 53 | #endif /* CONFIG_GPIOLIB */ |
| 54 | |
| 55 | #endif /* _ASM_ALPHA_GPIO_H */ |