blob: 50386e9669c0f128c073542195bd4eeb997f0e1b [file] [log] [blame]
/*
* Copyright (c) 2008, Google Inc.
* All rights reserved.
*
* Copyright (c) 2014 The Linux Foundation. All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <platform/gpio.h>
#ifndef __DEV_GPIO_H
#define __DEV_GPIO_H
#ifndef GPIO_INPUT
#define GPIO_INPUT 0x0000
#endif
#ifndef GPIO_OUTPUT
#define GPIO_OUTPUT 0x0001
#endif
#define GPIO_LEVEL 0x0000
#define GPIO_EDGE 0x0010
#define GPIO_RISING 0x0020
#define GPIO_FALLING 0x0040
#define GPIO_HIGH 0x0020
#define GPIO_LOW 0x0040
#define GPIO_PULLUP 0x0100
#define GPIO_PULLDOWN 0x0200
int gpio_config(unsigned nr, unsigned flags);
void gpio_set(unsigned nr, unsigned on);
int gpio_get(unsigned nr);
#endif