include/asm-mips/mach-au1x00/gpio.h

   1 #ifndef _AU1XXX_GPIO_H_
   2 #define _AU1XXX_GPIO_H_
   3
   4 #include <linux/types.h>
   5
   6 #define AU1XXX_GPIO_BASE        200
   7
   8 struct au1x00_gpio2 {
   9         u32     dir;
  10         u32     reserved;
  11         u32     output;
  12         u32     pinstate;
  13         u32     inten;
  14         u32     enable;
  15 };
  16
  17 extern int au1xxx_gpio_get_value(unsigned gpio);
  18 extern void au1xxx_gpio_set_value(unsigned gpio, int value);
  19 extern int au1xxx_gpio_direction_input(unsigned gpio);
  20 extern int au1xxx_gpio_direction_output(unsigned gpio, int value);
  21
  22
  23 /* Wrappers for the arch-neutral GPIO API */
  24
  25 static inline int gpio_request(unsigned gpio, const char *label)
  26 {
  27         /* Not yet implemented */
  28         return 0;
  29 }
  30
  31 static inline void gpio_free(unsigned gpio)
  32 {
  33         /* Not yet implemented */
  34 }
  35
  36 static inline int gpio_direction_input(unsigned gpio)
  37 {
  38         return au1xxx_gpio_direction_input(gpio);
  39 }
  40
  41 static inline int gpio_direction_output(unsigned gpio, int value)
  42 {
  43         return au1xxx_gpio_direction_output(gpio, value);
  44 }
  45
  46 static inline int gpio_get_value(unsigned gpio)
  47 {
  48         return au1xxx_gpio_get_value(gpio);
  49 }
  50
  51 static inline void gpio_set_value(unsigned gpio, int value)
  52 {
  53         au1xxx_gpio_set_value(gpio, value);
  54 }
  55
  56 static inline int gpio_to_irq(unsigned gpio)
  57 {
  58         return gpio;
  59 }
  60
  61 static inline int irq_to_gpio(unsigned irq)
  62 {
  63         return irq;
  64 }
  65
  66 /* For cansleep */
  67 #include <asm-generic/gpio.h>
  68
  69 #endif /* _AU1XXX_GPIO_H_ */