| Alessandro Rubini | 9444ff1 | 2009-07-24 11:27:03 +0200 | [diff] [blame] | 1 | /* |
| 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 | |
| 30 | enum nmk_af { /* alternate function settings */ |
| 31 | GPIO_GPIO = 0, |
| 32 | GPIO_ALT_A, |
| 33 | GPIO_ALT_B, |
| 34 | GPIO_ALT_C |
| 35 | }; |
| 36 | |
| 37 | extern void nmk_gpio_af(int gpio, int alternate_function); |
| 38 | extern void nmk_gpio_dir(int gpio, int dir); |
| 39 | extern void nmk_gpio_set(int gpio, int val); |
| 40 | extern int nmk_gpio_get(int gpio); |
| 41 | |
| 42 | #endif /* __NMK_GPIO_H__ */ |