/*
 * hrt.h
 * 
 * application/kernel interface to HRT driver
 */

#ifndef _HRT_H_
#define _HRT_H_

#ifndef __KERNEL__
#include <sys/ioctl.h>
#endif

#define HRT_MAX_DEVICES 8

/* The offset of the HRT I2C bus control port (0x2000 = 8192 = 2^13) */
#define HRT_CONTROL_REG 0x2000
#define HRT_I2C_REG     0x2001
#define HRT_Y_LOW_REG   0x2002
#define HRT_Y_HIGH_REG  0x2003
#define HRT_IRQ_ENABLE  0x2005

#define HRT_LIVE_CMD          0x91
#define HRT_FREEZE_IMM_CMD    0x5B
#define HRT_FREEZE_NEXT_CMD   0x99

#define IOC_HRT_MAGIC_NUM	'v'

#define IOC_HRT_GO_LIVE		_IO (IOC_HRT_MAGIC_NUM, 2)
#define IOC_HRT_FREEZE_FRAME	_IO (IOC_HRT_MAGIC_NUM, 3)
#define IOC_HRT_WIN_SET_WIDTH	_IOW(IOC_HRT_MAGIC_NUM, 4, int)
#define IOC_HRT_WIN_SET_HEIGHT	_IOW(IOC_HRT_MAGIC_NUM, 5, int)
#define IOC_HRT_WIN_SET_X	_IOW(IOC_HRT_MAGIC_NUM, 6, int)
#define IOC_HRT_WIN_SET_Y	_IOW(IOC_HRT_MAGIC_NUM, 7, int)
#define IOC_HRT_SET_MODE        _IOW(IOC_HRT_MAGIC_NUM, 8, int)

#endif