1 /* 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 22 #ifndef _TEGRA_GPIO_H_ 23 #define _TEGRA_GPIO_H_ 24 25 #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 37 void gpio_info(void); 38 39 #define gpio_status() gpio_info() 40 #endif /* TEGRA_GPIO_H_ */ 41