bcm2835_gpio.h revision 331722 
1/*-
2 * Copyright (c) 2013 Oleksandr Tymoshenko <gonzo@bluezbox.com>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD: stable/11/sys/arm/broadcom/bcm2835/bcm2835_gpio.h 331722 2018-03-29 02:50:57Z eadler $
26 */
27
28#ifndef	_BCM2835_GPIO_H_
29#define	_BCM2835_GPIO_H_
30
31enum bcm_gpio_fsel {
32	BCM_GPIO_INPUT,
33	BCM_GPIO_OUTPUT,
34	BCM_GPIO_ALT5,
35	BCM_GPIO_ALT4,
36	BCM_GPIO_ALT0,
37	BCM_GPIO_ALT1,
38	BCM_GPIO_ALT2,
39	BCM_GPIO_ALT3,
40};
41
42void bcm_gpio_set_alternate(device_t, uint32_t, uint32_t);
43
44#endif	/* _BCM2835_GPIO_H_ */
45