eeepc-laptop: Register as a pci-hotplug device
[linux-2.6/linux-acpi-2.6.git] / arch / powerpc / include / asm / gpio.h
blobea04632399d8d25f8cf5e4f4720c28bd7dbbaef9
1 /*
2 * Generic GPIO API implementation for PowerPC.
4 * Copyright (c) 2007-2008 MontaVista Software, Inc.
6 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #ifndef __ASM_POWERPC_GPIO_H
15 #define __ASM_POWERPC_GPIO_H
17 #include <linux/errno.h>
18 #include <asm-generic/gpio.h>
20 #ifdef CONFIG_GPIOLIB
23 * We don't (yet) implement inlined/rapid versions for on-chip gpios.
24 * Just call gpiolib.
26 static inline int gpio_get_value(unsigned int gpio)
28 return __gpio_get_value(gpio);
31 static inline void gpio_set_value(unsigned int gpio, int value)
33 __gpio_set_value(gpio, value);
36 static inline int gpio_cansleep(unsigned int gpio)
38 return __gpio_cansleep(gpio);
42 * Not implemented, yet.
44 static inline int gpio_to_irq(unsigned int gpio)
46 return -ENOSYS;
49 static inline int irq_to_gpio(unsigned int irq)
51 return -EINVAL;
54 #endif /* CONFIG_GPIOLIB */
56 #endif /* __ASM_POWERPC_GPIO_H */