target/linux/rdc/files-2.6.24/include/asm-i386/mach-rdc/gpio.h

   1 #ifndef _RDC_GPIO_H
   2 #define _RDC_GPIO_H
   3
   4 extern int rdc_gpio_get_value(unsigned gpio);
   5 extern void rdc_gpio_set_value(unsigned gpio, int value);
   6 extern int rdc_gpio_direction_input(unsigned gpio);
   7 extern int rdc_gpio_direction_output(unsigned gpio, int value);
   8
   9
  10 /* Wrappers for the arch-neutral GPIO API */
  11
  12 static inline int gpio_request(unsigned gpio, const char *label)
  13 {
  14         /* Not yet implemented */
  15         return 0;
  16 }
  17
  18 static inline void gpio_free(unsigned gpio)
  19 {
  20         /* Not yet implemented */
  21 }
  22
  23 static inline int gpio_direction_input(unsigned gpio)
  24 {
  25         return rdc_gpio_direction_input(gpio);
  26 }
  27
  28 static inline int gpio_direction_output(unsigned gpio, int value)
  29 {
  30         return rdc_gpio_direction_output(gpio, value);
  31 }
  32
  33 static inline int gpio_get_value(unsigned gpio)
  34 {
  35         return rdc_gpio_get_value(gpio);
  36 }
  37
  38 static inline void gpio_set_value(unsigned gpio, int value)
  39 {
  40         rdc_gpio_set_value(gpio, value);
  41 }
  42
  43 static inline int gpio_to_irq(unsigned gpio)
  44 {
  45         return gpio;
  46 }
  47
  48 static inline int irq_to_gpio(unsigned irq)
  49 {
  50         return irq;
  51 }
  52
  53 /* For cansleep */
  54 #include <asm-generic/gpio.h>
  55
  56 #endif /* _RDC_GPIO_H_ */