LXR linux/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
   8struct au1x00_gpio2 {
   9        u32     dir;
  10        u32     reserved;
  11        u32     output;
  12        u32     pinstate;
  13        u32     inten;
  14        u32     enable;
  15};
  16
  17extern int au1xxx_gpio_get_value(unsigned gpio);
  18extern void au1xxx_gpio_set_value(unsigned gpio, int value);
  19extern int au1xxx_gpio_direction_input(unsigned gpio);
  20extern int au1xxx_gpio_direction_output(unsigned gpio, int value);
  21
  22
  23/* Wrappers for the arch-neutral GPIO API */
  24
  25static inline int gpio_request(unsigned gpio, const char *label)
  26{
  27        /* Not yet implemented */
  28        return 0;
  29}
  30
  31static inline void gpio_free(unsigned gpio)
  32{
  33        /* Not yet implemented */
  34}
  35
  36static inline int gpio_direction_input(unsigned gpio)
  37{
  38        return au1xxx_gpio_direction_input(gpio);
  39}
  40
  41static inline int gpio_direction_output(unsigned gpio, int value)
  42{
  43        return au1xxx_gpio_direction_output(gpio, value);
  44}
  45
  46static inline int gpio_get_value(unsigned gpio)
  47{
  48        return au1xxx_gpio_get_value(gpio);
  49}
  50
  51static inline void gpio_set_value(unsigned gpio, int value)
  52{
  53        au1xxx_gpio_set_value(gpio, value);
  54}
  55
  56static inline int gpio_to_irq(unsigned gpio)
  57{
  58        return gpio;
  59}
  60
  61static 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_ */
  70