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Alessandro Rubini60cbfbf2009-07-24 11:27:03 +02001/*
2 * (C) Copyright 2009 Alessandro Rubini
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22#ifndef __NMK_GPIO_H__
23#define __NMK_GPIO_H__
24
25/*
26 * These functions are called from the soft-i2c driver, but
27 * are also used by board files to set output bits.
28 */
29
30enum nmk_af { /* alternate function settings */
31 GPIO_GPIO = 0,
32 GPIO_ALT_A,
33 GPIO_ALT_B,
34 GPIO_ALT_C
35};
36
37extern void nmk_gpio_af(int gpio, int alternate_function);
38extern void nmk_gpio_dir(int gpio, int dir);
39extern void nmk_gpio_set(int gpio, int val);
40extern int nmk_gpio_get(int gpio);
41
42#endif /* __NMK_GPIO_H__ */