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/* linux/arch/arm/mach-s3c2400/gpio.c
*
* Copyright (c) 2006 Lucas Correia Villa Real <lucasvr@gobolinux.org>
*
* S3C2400 GPIO support
*
* 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
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <mach/regs-gpio.h>
int s3c2400_gpio_getirq(unsigned int pin)
{
if (pin < S3C2410_GPE(0) || pin > S3C2400_GPE(7))
return -EINVAL; /* not valid interrupts */
return (pin - S3C2410_GPE(0)) + IRQ_EINT0;
}
EXPORT_SYMBOL(s3c2400_gpio_getirq);
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