m5602_sensor.h

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/*
 * 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 <[email protected]>
 *
 * 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
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, version 2.
 *
 */

#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);

    /* 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