xref: /linux/drivers/media/usb/gspca/m5602/m5602_sensor.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * USB Driver for ALi m5602 based webcams
 *
 * Copyright (C) 2008 Erik Andrén
 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
 *
 * Portions of code to USB interface and ALi driver software,
 * Copyright (c) 2006 Willem Duinker
 * v4l2 interface modeled after the V4L2 driver
 * for SN9C10x PC Camera Controllers
 */

#ifndef M5602_SENSOR_H_
#define M5602_SENSOR_H_

#include "m5602_bridge.h"

#define M5602_V4L2_CID_GREEN_BALANCE	(V4L2_CID_PRIVATE_BASE + 0)
#define M5602_V4L2_CID_NOISE_SUPPRESION	(V4L2_CID_PRIVATE_BASE + 1)

/* Enumerates all supported sensors */
enum sensors {
	OV9650_SENSOR	= 1,
	S5K83A_SENSOR	= 2,
	S5K4AA_SENSOR	= 3,
	MT9M111_SENSOR	= 4,
	PO1030_SENSOR	= 5,
	OV7660_SENSOR   = 6,
};

/* Enumerates all possible instruction types */
enum instruction {
	BRIDGE,
	SENSOR,
	SENSOR_LONG
};

struct m5602_sensor {
	/* Defines the name of a sensor */
	char name[32];

	/* What i2c address the sensor is connected to */
	u8 i2c_slave_id;

	/* Width of each i2c register (in bytes) */
	u8 i2c_regW;

	/* Probes if the sensor is connected */
	int (*probe)(struct sd *sd);

	/* Performs a initialization sequence */
	int (*init)(struct sd *sd);

	/* Controls initialization, maybe NULL */
	int (*init_controls)(struct sd *sd);

	/* Executed when the camera starts to send data */
	int (*start)(struct sd *sd);

	/* Executed when the camera ends to send data */
	int (*stop)(struct sd *sd);

	/* Executed when the device is disconnected */
	void (*disconnect)(struct sd *sd);
};

#endif