1/*-
2 * Copyright 2008 by Nathan Whitehorn. All rights reserved.
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 ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
18 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
20 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21 * 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 * $FreeBSD$
26 */
27
28#ifndef _MACIO_MACGPIOVAR_H_
29#define _MACIO_MACGPIOVAR_H_
30
31/* relative offsets into gpio space */
32#define GPIO_EXTINT_BASE	0x08
33#define GPIO_BASE		0x1a
34
35/* gpio bit definitions */
36#define GPIO_DATA		0x01 /* GPIO data */
37#define GPIO_LEVEL_RO		0x02 /* read-only level on pin */
38#define GPIO_DDR_INPUT		0x00 /* use for input */
39#define GPIO_DDR_OUTPUT		0x04 /* use for output */
40
41uint8_t	macgpio_read(device_t dev);
42void	macgpio_write(device_t dev,uint8_t);
43
44#endif /* _MACIO_MACGPIOVAR_H_ */
45