| Stefano Babic | c4ea142 | 2010-07-06 17:05:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #ifndef __MXC_GPIO_H |
| 25 | #define __MXC_GPIO_H |
| 26 | |
| 27 | enum mxc_gpio_direction { |
| 28 | MXC_GPIO_DIRECTION_IN, |
| 29 | MXC_GPIO_DIRECTION_OUT, |
| 30 | }; |
| 31 | |
| 32 | #ifdef CONFIG_MXC_GPIO |
| 33 | extern int mxc_gpio_direction(unsigned int gpio, |
| 34 | enum mxc_gpio_direction direction); |
| 35 | extern void mxc_gpio_set(unsigned int gpio, unsigned int value); |
| 36 | extern int mxc_gpio_get(unsigned int gpio); |
| 37 | #else |
| 38 | static inline int mxc_gpio_direction(unsigned int gpio, |
| 39 | enum mxc_gpio_direction direction) |
| 40 | { |
| 41 | return 1; |
| 42 | } |
| 43 | static inline int mxc_gpio_get(unsigned int gpio) |
| 44 | { |
| 45 | return 1; |
| 46 | } |
| 47 | static inline void mxc_gpio_set(unsigned int gpio, unsigned int value) |
| 48 | { |
| 49 | } |
| 50 | #endif |
| 51 | |
| 52 | #endif |