arch/mips/include/asm/mach-bcm47xx/gpio.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
   7  */
   8
   9 #ifndef __BCM47XX_GPIO_H
  10 #define __BCM47XX_GPIO_H
  11
  12 #define BCM47XX_EXTIF_GPIO_LINES        5
  13 #define BCM47XX_CHIPCO_GPIO_LINES       16
  14
  15 extern int bcm47xx_gpio_to_irq(unsigned gpio);
  16 extern int bcm47xx_gpio_get_value(unsigned gpio);
  17 extern void bcm47xx_gpio_set_value(unsigned gpio, int value);
  18 extern int bcm47xx_gpio_direction_input(unsigned gpio);
  19 extern int bcm47xx_gpio_direction_output(unsigned gpio, int value);
  20
  21 static inline int gpio_request(unsigned gpio, const char *label)
  22 {
  23        return 0;
  24 }
  25
  26 static inline void gpio_free(unsigned gpio)
  27 {
  28 }
  29
  30 static inline int gpio_to_irq(unsigned gpio)
  31 {
  32         return bcm47xx_gpio_to_irq(gpio);
  33 }
  34
  35 static inline int gpio_get_value(unsigned gpio)
  36 {
  37         return bcm47xx_gpio_get_value(gpio);
  38 }
  39
  40 static inline void gpio_set_value(unsigned gpio, int value)
  41 {
  42         bcm47xx_gpio_set_value(gpio, value);
  43 }
  44
  45 static inline int gpio_direction_input(unsigned gpio)
  46 {
  47         return bcm47xx_gpio_direction_input(gpio);
  48 }
  49
  50 static inline int gpio_direction_output(unsigned gpio, int value)
  51 {
  52         return bcm47xx_gpio_direction_output(gpio, value);
  53 }
  54
  55
  56 /* cansleep wrappers */
  57 #include <asm-generic/gpio.h>
  58
  59 #endif /* __BCM47XX_GPIO_H */