| Ben Dooks | 21b2366 | 2008-10-31 16:14:34 +0000 | [diff] [blame] | 1 | /* arch/arm/mach-s3c24100/include/mach/gpio-core.h |
| 2 | * |
| 3 | * Copyright 2008 Openmoko, Inc. |
| 4 | * Copyright 2008 Simtec Electronics |
| 5 | * Ben Dooks <ben@simtec.co.uk> |
| 6 | * http://armlinux.simtec.co.uk/ |
| 7 | * |
| 8 | * S3C2410 - GPIO core support |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #ifndef __ASM_ARCH_GPIO_CORE_H |
| 16 | #define __ASM_ARCH_GPIO_CORE_H __FILE__ |
| 17 | |
| 18 | #include <plat/gpio-core.h> |
| 19 | #include <mach/regs-gpio.h> |
| 20 | |
| 21 | extern struct s3c_gpio_chip s3c24xx_gpios[]; |
| 22 | |
| 23 | static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) |
| 24 | { |
| 25 | struct s3c_gpio_chip *chip; |
| 26 | |
| Ben Dooks | 070276d | 2009-05-17 22:32:23 +0100 | [diff] [blame] | 27 | if (pin > S3C2410_GPG(10)) |
| Ben Dooks | 21b2366 | 2008-10-31 16:14:34 +0000 | [diff] [blame] | 28 | return NULL; |
| 29 | |
| 30 | chip = &s3c24xx_gpios[pin/32]; |
| Lars-Peter Clausen | 0c997c0 | 2009-07-22 00:33:06 +0200 | [diff] [blame] | 31 | return (S3C2410_GPIO_OFFSET(pin) < chip->chip.ngpio) ? chip : NULL; |
| Ben Dooks | 21b2366 | 2008-10-31 16:14:34 +0000 | [diff] [blame] | 32 | } |
| 33 | |
| 34 | #endif /* __ASM_ARCH_GPIO_CORE_H */ |