drivers/media/usb/gspca/m5602/m5602_sensor.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * USB Driver for ALi m5602 based webcams
   4  *
   5  * Copyright (C) 2008 Erik Andrén
   6  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
   7  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
   8  *
   9  * Portions of code to USB interface and ALi driver software,
  10  * Copyright (c) 2006 Willem Duinker
  11  * v4l2 interface modeled after the V4L2 driver
  12  * for SN9C10x PC Camera Controllers
  13  */
  14
  15 #ifndef M5602_SENSOR_H_
  16 #define M5602_SENSOR_H_
  17
  18 #include "m5602_bridge.h"
  19
  20 #define M5602_V4L2_CID_GREEN_BALANCE    (V4L2_CID_PRIVATE_BASE + 0)
  21 #define M5602_V4L2_CID_NOISE_SUPPRESION (V4L2_CID_PRIVATE_BASE + 1)
  22
  23 /* Enumerates all supported sensors */
  24 enum sensors {
  25         OV9650_SENSOR   = 1,
  26         S5K83A_SENSOR   = 2,
  27         S5K4AA_SENSOR   = 3,
  28         MT9M111_SENSOR  = 4,
  29         PO1030_SENSOR   = 5,
  30         OV7660_SENSOR   = 6,
  31 };
  32
  33 /* Enumerates all possible instruction types */
  34 enum instruction {
  35         BRIDGE,
  36         SENSOR,
  37         SENSOR_LONG
  38 };
  39
  40 struct m5602_sensor {
  41         /* Defines the name of a sensor */
  42         char name[32];
  43
  44         /* What i2c address the sensor is connected to */
  45         u8 i2c_slave_id;
  46
  47         /* Width of each i2c register (in bytes) */
  48         u8 i2c_regW;
  49
  50         /* Probes if the sensor is connected */
  51         int (*probe)(struct sd *sd);
  52
  53         /* Performs a initialization sequence */
  54         int (*init)(struct sd *sd);
  55
  56         /* Controls initialization, maybe NULL */
  57         int (*init_controls)(struct sd *sd);
  58
  59         /* Executed when the camera starts to send data */
  60         int (*start)(struct sd *sd);
  61
  62         /* Executed when the camera ends to send data */
  63         int (*stop)(struct sd *sd);
  64
  65         /* Executed when the device is disconnected */
  66         void (*disconnect)(struct sd *sd);
  67 };
  68
  69 #endif