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 */
28static inline int gpio_get_value(unsigned int gpio)
29{
30	return __gpio_get_value(gpio);
31}
32
33static inline void gpio_set_value(unsigned int gpio, int value)
34{
35	__gpio_set_value(gpio, value);
36}
37
38static inline int gpio_cansleep(unsigned int gpio)
39{
40	return __gpio_cansleep(gpio);
41}
42
43static inline int gpio_to_irq(unsigned int gpio)
44{
45	return __gpio_to_irq(gpio);
46}
47
48static 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 */