66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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/*
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* linux/include/asm-arm/arch-pxa/gpio.h
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*
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* S3C2400 GPIO wrappers for arch-neutral GPIO calls
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*
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* Written by Philipp Zabel <philipp.zabel@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARCH_PXA_GPIO_H
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#define __ASM_ARCH_PXA_GPIO_H
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/irqs.h>
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#include <asm/arch/hardware.h>
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#include <asm/errno.h>
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static inline int gpio_request(unsigned gpio, const char *label)
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{
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return 0;
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}
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static inline void gpio_free(unsigned gpio)
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{
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return;
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}
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static inline int gpio_direction_input(unsigned gpio)
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{
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s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_INPUT);
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return 0;
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}
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static inline int gpio_direction_output(unsigned gpio)
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{
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s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT);
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return 0;
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}
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#define gpio_get_value(gpio) s3c2410_gpio_getpin(gpio)
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#define gpio_set_value(gpio,value) s3c2410_gpio_setpin(gpio, value)
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#include <asm-generic/gpio.h> /* cansleep wrappers */
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/* FIXME or maybe s3c2400_gpio_getirq() ... */
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#define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio)
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/* FIXME implement irq_to_gpio() */
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#endif
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