drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h

   1 /*
   2  * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
   3  *                    Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
   4  * Copyright (c) 2002, 2003 Tuukka Toivonen
   5  * Copyright (c) 2008 Erik Andrén
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
  18  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
  19  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
  20  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
  21  * P/N 861075-0040: Sensor HDCS1000        ASIC
  22  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
  23  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
  24  */
  25
  26 #ifndef STV06XX_SENSOR_H_
  27 #define STV06XX_SENSOR_H_
  28
  29 #include "stv06xx.h"
  30
  31 #define IS_1020(sd)     ((sd)->sensor == &stv06xx_sensor_hdcs1020)
  32
  33 extern const struct stv06xx_sensor stv06xx_sensor_vv6410;
  34 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1x00;
  35 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1020;
  36 extern const struct stv06xx_sensor stv06xx_sensor_pb0100;
  37 extern const struct stv06xx_sensor stv06xx_sensor_st6422;
  38
  39 struct stv06xx_sensor {
  40         /* Defines the name of a sensor */
  41         char name[32];
  42
  43         /* Sensor i2c address */
  44         u8 i2c_addr;
  45
  46         /* Flush value*/
  47         u8 i2c_flush;
  48
  49         /* length of an i2c word */
  50         u8 i2c_len;
  51
  52         /* Isoc packet size (per mode) */
  53         int min_packet_size[4];
  54         int max_packet_size[4];
  55
  56         /* Probes if the sensor is connected */
  57         int (*probe)(struct sd *sd);
  58
  59         /* Performs a initialization sequence */
  60         int (*init)(struct sd *sd);
  61
  62         /* Initializes the controls */
  63         int (*init_controls)(struct sd *sd);
  64
  65         /* Reads a sensor register */
  66         int (*read_sensor)(struct sd *sd, const u8 address,
  67               u8 *i2c_data, const u8 len);
  68
  69         /* Writes to a sensor register */
  70         int (*write_sensor)(struct sd *sd, const u8 address,
  71               u8 *i2c_data, const u8 len);
  72
  73         /* Instructs the sensor to start streaming */
  74         int (*start)(struct sd *sd);
  75
  76         /* Instructs the sensor to stop streaming */
  77         int (*stop)(struct sd *sd);
  78
  79         /* Instructs the sensor to dump all its contents */
  80         int (*dump)(struct sd *sd);
  81 };
  82
  83 #endif