32 lines
596 B
C
32 lines
596 B
C
#ifndef __LINUX_HDQ_H__
|
|
#define __LINUX_HDQ_H__
|
|
|
|
#include <linux/device.h>
|
|
|
|
#define HDQ_SAMPLE_PERIOD_US 10
|
|
|
|
/* platform data */
|
|
|
|
struct hdq_platform_data {
|
|
/*
|
|
* give an opportunity to use us as parent for
|
|
* devices that depend on us
|
|
*/
|
|
void (*attach_child_devices)(struct device *parent_device);
|
|
|
|
void (*gpio_dir_out)(void);
|
|
void (*gpio_dir_in)(void);
|
|
void (*gpio_set)(int);
|
|
int (*gpio_get)(void);
|
|
|
|
int (*enable_fiq)(void);
|
|
void (*disable_fiq)(void);
|
|
void (*kick_fiq)(void);
|
|
|
|
};
|
|
|
|
int hdq_read(int address);
|
|
int hdq_write(int address, u8 data);
|
|
int hdq_initialized(void);
|
|
|
|
#endif
|