LXR linux/arch/mips/include/asm/mach-loongson/gpio.h

   1/*
   2 * STLS2F GPIO Support
   3 *
   4 * Copyright (c) 2008  Richard Liu, STMicroelectronics <richard.liu@st.com>
   5 * Copyright (c) 2008-2010  Arnaud Patard <apatard@mandriva.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation; either version 2 of the License, or
  10 * (at your option) any later version.
  11 */
  12
  13#ifndef __STLS2F_GPIO_H
  14#define __STLS2F_GPIO_H
  15
  16#include <asm-generic/gpio.h>
  17
  18extern void gpio_set_value(unsigned gpio, int value);
  19extern int gpio_get_value(unsigned gpio);
  20extern int gpio_cansleep(unsigned gpio);
  21
  22/* The chip can do interrupt
  23 * but it has not been tested and doc not clear
  24 */
  25static inline int gpio_to_irq(int gpio)
  26{
  27        return -EINVAL;
  28}
  29
  30static inline int irq_to_gpio(int gpio)
  31{
  32        return -EINVAL;
  33}
  34
  35#endif                          /* __STLS2F_GPIO_H */
  36