ar71xx: add missing gpio_set_debounce function
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / include / asm / mach-ar71xx / gpio.h
1 /*
2 * Atheros AR71xx GPIO API definitions
3 *
4 * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
10 *
11 */
12
13 #ifndef __ASM_MACH_AR71XX_GPIO_H
14 #define __ASM_MACH_AR71XX_GPIO_H
15
16 #define ARCH_NR_GPIOS 64
17 #include <asm-generic/gpio.h>
18
19 #include <asm/mach-ar71xx/ar71xx.h>
20
21 extern unsigned long ar71xx_gpio_count;
22 extern void __ar71xx_gpio_set_value(unsigned gpio, int value);
23 extern int __ar71xx_gpio_get_value(unsigned gpio);
24
25 static inline int gpio_to_irq(unsigned gpio)
26 {
27 return AR71XX_GPIO_IRQ(gpio);
28 }
29
30 static inline int irq_to_gpio(unsigned irq)
31 {
32 return irq - AR71XX_GPIO_IRQ_BASE;
33 }
34
35 static inline int gpio_get_value(unsigned gpio)
36 {
37 if (gpio < ar71xx_gpio_count)
38 return __ar71xx_gpio_get_value(gpio);
39
40 return __gpio_get_value(gpio);
41 }
42
43 static inline void gpio_set_value(unsigned gpio, int value)
44 {
45 if (gpio < ar71xx_gpio_count)
46 __ar71xx_gpio_set_value(gpio, value);
47 else
48 __gpio_set_value(gpio, value);
49 }
50
51 static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
52 {
53 return -ENOSYS;
54 }
55
56 #define gpio_cansleep __gpio_cansleep
57
58 #endif /* __ASM_MACH_AR71XX_GPIO_H */