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Thierry Redingf3685592011-11-17 00:10:23 +00001/*
2 * Copyright (c) 2011, Google Inc. All rights reserved.
3 * See file CREDITS for list of people who contributed to this
4 * project.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19 * MA 02111-1307 USA
20 */
21
Tom Warrenab371962012-09-19 15:50:56 -070022#ifndef _TEGRA_GPIO_H_
23#define _TEGRA_GPIO_H_
Thierry Redingf3685592011-11-17 00:10:23 +000024
Tom Warrenab371962012-09-19 15:50:56 -070025#define MAX_NUM_GPIOS (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
26#define GPIO_NAME_SIZE 20 /* gpio_request max label len */
27
28#define GPIO_BANK(x) ((x) >> 5)
29#define GPIO_PORT(x) (((x) >> 3) & 0x3)
30#define GPIO_FULLPORT(x) ((x) >> 3)
31#define GPIO_BIT(x) ((x) & 0x7)
32
33/*
34 * Tegra-specific GPIO API
35 */
36
37void gpio_info(void);
Thierry Redingf3685592011-11-17 00:10:23 +000038
Tom Warrenab371962012-09-19 15:50:56 -070039#define gpio_status() gpio_info()
40#endif /* TEGRA_GPIO_H_ */