1/*
2 * Linux Broadcom BCM47xx GPIO char driver
3 *
4 * Copyright (C) 2010, Broadcom Corporation. All Rights Reserved.
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
13 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
15 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
16 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 *
18 * $Id: linux_gpio.h,v 13.3 2007/02/01 22:51:59 Exp $
19 */
20
21#ifndef _linux_gpio_h_
22#define _linux_gpio_h_
23
24struct gpio_ioctl {
25	uint32 mask;
26	uint32 val;
27};
28
29#define GPIO_IOC_MAGIC  'G'
30
31/* reserve/release a gpio to the caller */
32#define  GPIO_IOC_RESERVE	_IOWR(GPIO_IOC_MAGIC, 1, struct gpio_ioctl)
33#define  GPIO_IOC_RELEASE	_IOWR(GPIO_IOC_MAGIC, 2, struct gpio_ioctl)
34/* ioctls to read/write the gpio registers */
35#define  GPIO_IOC_OUT		_IOWR(GPIO_IOC_MAGIC, 3, struct gpio_ioctl)
36#define  GPIO_IOC_IN		_IOWR(GPIO_IOC_MAGIC, 4, struct gpio_ioctl)
37#define  GPIO_IOC_OUTEN		_IOWR(GPIO_IOC_MAGIC, 5, struct gpio_ioctl)
38
39#endif	/* _linux_gpio_h_ */
40