target/linux/s3c24xx/files-2.6.30/include/linux/hdq.h

   1 #ifndef __LINUX_HDQ_H__
   2 #define __LINUX_HDQ_H__
   3
   4 #include <linux/device.h>
   5
   6 #define HDQ_SAMPLE_PERIOD_US    10
   7
   8 /* platform data */
   9
  10 struct hdq_platform_data {
  11         /*
  12          * give an opportunity to use us as parent for
  13          * devices that depend on us
  14          */
  15         void (*attach_child_devices)(struct device *parent_device);
  16
  17         void (*gpio_dir_out)(void);
  18         void (*gpio_dir_in)(void);
  19         void (*gpio_set)(int);
  20         int (*gpio_get)(void);
  21
  22         int (*enable_fiq)(void);
  23         void (*disable_fiq)(void);
  24         void (*kick_fiq)(void);
  25
  26 };
  27
  28 int hdq_read(int address);
  29 int hdq_write(int address, u8 data);
  30 int hdq_initialized(void);
  31
  32 #endif