release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s3c2410/include/mach/gpio.h

   1 /* arch/arm/mach-s3c2410/include/mach/gpio.h
   2  *
   3  * Copyright (c) 2008 Simtec Electronics
   4  *      http://armlinux.simtec.co.uk/
   5  *      Ben Dooks <ben@simtec.co.uk>
   6  *
   7  * S3C2410 - GPIO lib support
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 #define gpio_get_value  __gpio_get_value
  15 #define gpio_set_value  __gpio_set_value
  16 #define gpio_cansleep   __gpio_cansleep
  17 #define gpio_to_irq     __gpio_to_irq
  18
  19 /* some boards require extra gpio capacity to support external
  20  * devices that need GPIO.
  21  */
  22
  23 #ifdef CONFIG_CPU_S3C244X
  24 #define ARCH_NR_GPIOS   (32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA)
  25 #else
  26 #define ARCH_NR_GPIOS   (256 + CONFIG_S3C24XX_GPIO_EXTRA)
  27 #endif
  28
  29 #include <asm-generic/gpio.h>
  30 #include <mach/gpio-nrs.h>
  31 #include <mach/gpio-fns.h>
  32
  33 #ifdef CONFIG_CPU_S3C24XX
  34 #define S3C_GPIO_END    (S3C2410_GPIO_BANKJ + 32)
  35 #else
  36 #define S3C_GPIO_END    (S3C2410_GPIO_BANKH + 32)
  37 #endif