Commit | Line | Data |
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a21765a7 | 1 | /* linux/arch/arm/mach-s3c2400/gpio.c |
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2 | * |
3 | * Copyright (c) 2006 Lucas Correia Villa Real <lucasvr@gobolinux.org> | |
4 | * | |
5 | * S3C2400 GPIO support | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
916a0021 | 20 | */ |
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21 | |
22 | #include <linux/kernel.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/ioport.h> | |
fced80c7 | 27 | #include <linux/io.h> |
0ca5bc3d | 28 | |
a09e64fb | 29 | #include <mach/hardware.h> |
0ca5bc3d | 30 | #include <asm/irq.h> |
0ca5bc3d | 31 | |
a09e64fb | 32 | #include <mach/regs-gpio.h> |
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33 | |
34 | int s3c2400_gpio_getirq(unsigned int pin) | |
35 | { | |
373e9644 BD |
36 | if (pin < S3C2410_GPE(0) || pin > S3C2400_GPE(7)) |
37 | return -EINVAL; /* not valid interrupts */ | |
0ca5bc3d | 38 | |
070276d5 | 39 | return (pin - S3C2410_GPE(0)) + IRQ_EINT0; |
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40 | } |
41 | ||
42 | EXPORT_SYMBOL(s3c2400_gpio_getirq); |