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

   1/*
   2 *  include/asm-sh/gpio.h
   3 *
   4 * Generic GPIO API and pinmux table support for SuperH.
   5 *
   6 * Copyright (c) 2008 Magnus Damm
   7 *
   8 * This file is subject to the terms and conditions of the GNU General Public
   9 * License.  See the file "COPYING" in the main directory of this archive
  10 * for more details.
  11 */
  12#ifndef __ASM_SH_GPIO_H
  13#define __ASM_SH_GPIO_H
  14
  15#include <linux/kernel.h>
  16#include <linux/errno.h>
  17
  18#if defined(CONFIG_CPU_SH3)
  19#include <cpu/gpio.h>
  20#endif
  21
  22#define ARCH_NR_GPIOS 512
  23#include <asm-generic/gpio.h>
  24
  25#ifdef CONFIG_GPIOLIB
  26
  27static inline int gpio_get_value(unsigned gpio)
  28{
  29        return __gpio_get_value(gpio);
  30}
  31
  32static inline void gpio_set_value(unsigned gpio, int value)
  33{
  34        __gpio_set_value(gpio, value);
  35}
  36
  37static inline int gpio_cansleep(unsigned gpio)
  38{
  39        return __gpio_cansleep(gpio);
  40}
  41
  42static inline int gpio_to_irq(unsigned gpio)
  43{
  44        return __gpio_to_irq(gpio);
  45}
  46
  47static inline int irq_to_gpio(unsigned int irq)
  48{
  49        return -ENOSYS;
  50}
  51
  52#endif /* CONFIG_GPIOLIB */
  53
  54#endif /* __ASM_SH_GPIO_H */
  55