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  */
gpio_get_value(unsigned int gpio)28 static inline int gpio_get_value(unsigned int gpio)
29 {
30 	return __gpio_get_value(gpio);
31 }
32 
gpio_set_value(unsigned int gpio,int value)33 static inline void gpio_set_value(unsigned int gpio, int value)
34 {
35 	__gpio_set_value(gpio, value);
36 }
37 
gpio_cansleep(unsigned int gpio)38 static inline int gpio_cansleep(unsigned int gpio)
39 {
40 	return __gpio_cansleep(gpio);
41 }
42 
gpio_to_irq(unsigned int gpio)43 static inline int gpio_to_irq(unsigned int gpio)
44 {
45 	return __gpio_to_irq(gpio);
46 }
47 
irq_to_gpio(unsigned int irq)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 */
56