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#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
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