|  | /* | 
|  | * | 
|  | * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> | 
|  | * | 
|  | * See file CREDITS for list of people who contributed to this | 
|  | * project. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License as | 
|  | * published by the Free Software Foundation; either version 2 of | 
|  | * the License, or (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 
|  | * MA 02111-1307 USA | 
|  | */ | 
|  |  | 
|  | #ifndef __MXC_GPIO_H | 
|  | #define __MXC_GPIO_H | 
|  |  | 
|  | enum mxc_gpio_direction { | 
|  | MXC_GPIO_DIRECTION_IN, | 
|  | MXC_GPIO_DIRECTION_OUT, | 
|  | }; | 
|  |  | 
|  | #ifdef CONFIG_MXC_GPIO | 
|  | extern int mxc_gpio_direction(unsigned int gpio, | 
|  | enum mxc_gpio_direction direction); | 
|  | extern void mxc_gpio_set(unsigned int gpio, unsigned int value); | 
|  | extern int mxc_gpio_get(unsigned int gpio); | 
|  | #else | 
|  | static inline int mxc_gpio_direction(unsigned int gpio, | 
|  | enum mxc_gpio_direction direction) | 
|  | { | 
|  | return 1; | 
|  | } | 
|  | static inline int mxc_gpio_get(unsigned int gpio) | 
|  | { | 
|  | return 1; | 
|  | } | 
|  | static inline void mxc_gpio_set(unsigned int gpio, unsigned int value) | 
|  | { | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif |