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    Subject[patch 2.6.20-rc1 6/6] S3C2410 GPIO wrappers
    Date
    Arch-neutral GPIO calls for S3C24xx.

    From: Philipp Zabel <philipp.zabel@gmail.com>

    Index: at91/include/asm-arm/arch-s3c2410/gpio.h
    ===================================================================
    --- /dev/null 1970-01-01 00:00:00.000000000 +0000
    +++ at91/include/asm-arm/arch-s3c2410/gpio.h 2006-12-19 02:05:52.000000000 -0800
    @@ -0,0 +1,65 @@
    +/*
    + * linux/include/asm-arm/arch-pxa/gpio.h
    + *
    + * S3C2400 GPIO wrappers for arch-neutral GPIO calls
    + *
    + * Written by Philipp Zabel <philipp.zabel@gmail.com>
    + *
    + * 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 __ASM_ARCH_PXA_GPIO_H
    +#define __ASM_ARCH_PXA_GPIO_H
    +
    +#include <asm/arch/pxa-regs.h>
    +#include <asm/arch/irqs.h>
    +#include <asm/arch/hardware.h>
    +
    +#include <asm/errno.h>
    +
    +static inline int gpio_request(unsigned gpio, const char *label)
    +{
    + return 0;
    +}
    +
    +static inline void gpio_free(unsigned gpio)
    +{
    + return;
    +}
    +
    +static inline int gpio_direction_input(unsigned gpio)
    +{
    + s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_INPUT);
    + return 0;
    +}
    +
    +static inline int gpio_direction_output(unsigned gpio)
    +{
    + s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT);
    + return 0;
    +}
    +
    +#define gpio_get_value(gpio) s3c2410_gpio_getpin(gpio)
    +#define gpio_set_value(gpio,value) s3c2410_gpio_setpin(gpio, value)
    +
    +#include <asm-generic/gpio.h> /* cansleep wrappers */
    +
    +/* FIXME or maybe s3c2400_gpio_getirq() ... */
    +#define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio)
    +
    +/* FIXME implement irq_to_gpio() */
    +
    +#endif
    -
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