drivers/media/usb/gspca/m5602/m5602_s5k4aa.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Driver for the s5k4aa sensor
   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_S5K4AA_H_
  16 #define M5602_S5K4AA_H_
  17
  18 #include <linux/dmi.h>
  19
  20 #include "m5602_sensor.h"
  21
  22 /*****************************************************************************/
  23
  24 #define S5K4AA_PAGE_MAP                 0xec
  25
  26 #define S5K4AA_PAGE_MAP_0               0x00
  27 #define S5K4AA_PAGE_MAP_1               0x01
  28 #define S5K4AA_PAGE_MAP_2               0x02
  29
  30 /* Sensor register definitions for page 0x02 */
  31 #define S5K4AA_READ_MODE                0x03
  32 #define S5K4AA_ROWSTART_HI              0x04
  33 #define S5K4AA_ROWSTART_LO              0x05
  34 #define S5K4AA_COLSTART_HI              0x06
  35 #define S5K4AA_COLSTART_LO              0x07
  36 #define S5K4AA_WINDOW_HEIGHT_HI         0x08
  37 #define S5K4AA_WINDOW_HEIGHT_LO         0x09
  38 #define S5K4AA_WINDOW_WIDTH_HI          0x0a
  39 #define S5K4AA_WINDOW_WIDTH_LO          0x0b
  40 #define S5K4AA_GLOBAL_GAIN__            0x0f
  41 /* sync lost, if too low, reduces frame rate if too high */
  42 #define S5K4AA_H_BLANK_HI__             0x1d
  43 #define S5K4AA_H_BLANK_LO__             0x1e
  44 #define S5K4AA_EXPOSURE_HI              0x17
  45 #define S5K4AA_EXPOSURE_LO              0x18
  46 #define S5K4AA_BRIGHTNESS               0x1f /* (digital?) gain : 5 bits */
  47 #define S5K4AA_GAIN                     0x20 /* (analogue?) gain : 7 bits */
  48 #define S5K4AA_NOISE_SUPP               0x37
  49
  50 #define S5K4AA_RM_ROW_SKIP_4X           0x08
  51 #define S5K4AA_RM_ROW_SKIP_2X           0x04
  52 #define S5K4AA_RM_COL_SKIP_4X           0x02
  53 #define S5K4AA_RM_COL_SKIP_2X           0x01
  54 #define S5K4AA_RM_H_FLIP                0x40
  55 #define S5K4AA_RM_V_FLIP                0x80
  56
  57 #define S5K4AA_DEFAULT_GAIN             0x5f
  58 #define S5K4AA_DEFAULT_BRIGHTNESS       0x10
  59
  60 /*****************************************************************************/
  61
  62 /* Kernel module parameters */
  63 extern int force_sensor;
  64 extern bool dump_sensor;
  65
  66 int s5k4aa_probe(struct sd *sd);
  67 int s5k4aa_init(struct sd *sd);
  68 int s5k4aa_init_controls(struct sd *sd);
  69 int s5k4aa_start(struct sd *sd);
  70 void s5k4aa_disconnect(struct sd *sd);
  71
  72 static const struct m5602_sensor s5k4aa = {
  73         .name = "S5K4AA",
  74         .i2c_slave_id = 0x5a,
  75         .i2c_regW = 2,
  76
  77         .probe = s5k4aa_probe,
  78         .init = s5k4aa_init,
  79         .init_controls = s5k4aa_init_controls,
  80         .start = s5k4aa_start,
  81         .disconnect = s5k4aa_disconnect,
  82 };
  83
  84 #endif