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