| /* 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_GPE0 || pin > S3C2400_GPE7_EINT7) |
| return -1; /* not valid interrupts */ |
| |
| return (pin - S3C2410_GPE0) + IRQ_EINT0; |
| } |
| |
| EXPORT_SYMBOL(s3c2400_gpio_getirq); |