LXR linux/arch/ia64/include/asm/gpio.h

   1/*
   2 * Generic GPIO API implementation for IA-64.
   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_IA64_GPIO_H
  17#define _ASM_IA64_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_IA64_GPIO_H */
  56