drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
   4  *                    Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
   5  * Copyright (c) 2002, 2003 Tuukka Toivonen
   6  * Copyright (c) 2008 Erik Andrén
   7  * Copyright (c) 2008 Chia-I Wu
   8  *
   9  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
  10  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
  11  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
  12  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
  13  * P/N 861075-0040: Sensor HDCS1000        ASIC
  14  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
  15  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
  16  */
  17
  18 #ifndef STV06XX_HDCS_H_
  19 #define STV06XX_HDCS_H_
  20
  21 #include "stv06xx_sensor.h"
  22
  23 #define HDCS_REG_CONFIG(sd)     (IS_1020(sd) ? HDCS20_CONFIG : HDCS00_CONFIG)
  24 #define HDCS_REG_CONTROL(sd)    (IS_1020(sd) ? HDCS20_CONTROL : HDCS00_CONTROL)
  25
  26 #define HDCS_1X00_DEF_WIDTH     360
  27 #define HDCS_1X00_DEF_HEIGHT    296
  28
  29 #define HDCS_1020_DEF_WIDTH     352
  30 #define HDCS_1020_DEF_HEIGHT    292
  31
  32 #define HDCS_1020_BOTTOM_Y_SKIP 4
  33
  34 #define HDCS_CLK_FREQ_MHZ       25
  35
  36 #define HDCS_ADC_START_SIG_DUR  3
  37
  38 /* LSB bit of I2C or register address signifies write (0) or read (1) */
  39 /* I2C Registers common for both HDCS-1000/1100 and HDCS-1020 */
  40 /* Identifications Register */
  41 #define HDCS_IDENT              (0x00 << 1)
  42 /* Status Register */
  43 #define HDCS_STATUS             (0x01 << 1)
  44 /* Interrupt Mask Register */
  45 #define HDCS_IMASK              (0x02 << 1)
  46 /* Pad Control Register */
  47 #define HDCS_PCTRL              (0x03 << 1)
  48 /* Pad Drive Control Register */
  49 #define HDCS_PDRV               (0x04 << 1)
  50 /* Interface Control Register */
  51 #define HDCS_ICTRL              (0x05 << 1)
  52 /* Interface Timing Register */
  53 #define HDCS_ITMG               (0x06 << 1)
  54 /* Baud Fraction Register */
  55 #define HDCS_BFRAC              (0x07 << 1)
  56 /* Baud Rate Register */
  57 #define HDCS_BRATE              (0x08 << 1)
  58 /* ADC Control Register */
  59 #define HDCS_ADCCTRL            (0x09 << 1)
  60 /* First Window Row Register */
  61 #define HDCS_FWROW              (0x0a << 1)
  62 /* First Window Column Register */
  63 #define HDCS_FWCOL              (0x0b << 1)
  64 /* Last Window Row Register */
  65 #define HDCS_LWROW              (0x0c << 1)
  66 /* Last Window Column Register */
  67 #define HDCS_LWCOL              (0x0d << 1)
  68 /* Timing Control Register */
  69 #define HDCS_TCTRL              (0x0e << 1)
  70 /* PGA Gain Register: Even Row, Even Column */
  71 #define HDCS_ERECPGA            (0x0f << 1)
  72 /* PGA Gain Register: Even Row, Odd Column */
  73 #define HDCS_EROCPGA            (0x10 << 1)
  74 /* PGA Gain Register: Odd Row, Even Column */
  75 #define HDCS_ORECPGA            (0x11 << 1)
  76 /* PGA Gain Register: Odd Row, Odd Column */
  77 #define HDCS_OROCPGA            (0x12 << 1)
  78 /* Row Exposure Low Register */
  79 #define HDCS_ROWEXPL            (0x13 << 1)
  80 /* Row Exposure High Register */
  81 #define HDCS_ROWEXPH            (0x14 << 1)
  82
  83 /* I2C Registers only for HDCS-1000/1100 */
  84 /* Sub-Row Exposure Low Register */
  85 #define HDCS00_SROWEXPL         (0x15 << 1)
  86 /* Sub-Row Exposure High Register */
  87 #define HDCS00_SROWEXPH         (0x16 << 1)
  88 /* Configuration Register */
  89 #define HDCS00_CONFIG           (0x17 << 1)
  90 /* Control Register */
  91 #define HDCS00_CONTROL          (0x18 << 1)
  92
  93 /* I2C Registers only for HDCS-1020 */
  94 /* Sub-Row Exposure Register */
  95 #define HDCS20_SROWEXP          (0x15 << 1)
  96 /* Error Control Register */
  97 #define HDCS20_ERROR            (0x16 << 1)
  98 /* Interface Timing 2 Register */
  99 #define HDCS20_ITMG2            (0x17 << 1)
 100 /* Interface Control 2 Register */
 101 #define HDCS20_ICTRL2           (0x18 << 1)
 102 /* Horizontal Blank Register */
 103 #define HDCS20_HBLANK           (0x19 << 1)
 104 /* Vertical Blank Register */
 105 #define HDCS20_VBLANK           (0x1a << 1)
 106 /* Configuration Register */
 107 #define HDCS20_CONFIG           (0x1b << 1)
 108 /* Control Register */
 109 #define HDCS20_CONTROL          (0x1c << 1)
 110
 111 #define HDCS_RUN_ENABLE         (1 << 2)
 112 #define HDCS_SLEEP_MODE         (1 << 1)
 113
 114 #define HDCS_DEFAULT_EXPOSURE   48
 115 #define HDCS_DEFAULT_GAIN       50
 116
 117 static int hdcs_probe_1x00(struct sd *sd);
 118 static int hdcs_probe_1020(struct sd *sd);
 119 static int hdcs_start(struct sd *sd);
 120 static int hdcs_init(struct sd *sd);
 121 static int hdcs_init_controls(struct sd *sd);
 122 static int hdcs_stop(struct sd *sd);
 123 static int hdcs_dump(struct sd *sd);
 124
 125 static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
 126 static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val);
 127
 128 const struct stv06xx_sensor stv06xx_sensor_hdcs1x00 = {
 129         .name = "HP HDCS-1000/1100",
 130         .i2c_flush = 0,
 131         .i2c_addr = (0x55 << 1),
 132         .i2c_len = 1,
 133
 134         /* FIXME (see if we can lower min_packet_size, needs testing, and also
 135            adjusting framerate when the bandwidth gets lower) */
 136         .min_packet_size = { 847 },
 137         .max_packet_size = { 847 },
 138
 139         .init = hdcs_init,
 140         .init_controls = hdcs_init_controls,
 141         .probe = hdcs_probe_1x00,
 142         .start = hdcs_start,
 143         .stop = hdcs_stop,
 144         .dump = hdcs_dump,
 145 };
 146
 147 const struct stv06xx_sensor stv06xx_sensor_hdcs1020 = {
 148         .name = "HDCS-1020",
 149         .i2c_flush = 0,
 150         .i2c_addr = (0x55 << 1),
 151         .i2c_len = 1,
 152
 153         /* FIXME (see if we can lower min_packet_size, needs testing, and also
 154            adjusting framerate when the bandwidthm gets lower) */
 155         .min_packet_size = { 847 },
 156         .max_packet_size = { 847 },
 157
 158         .init = hdcs_init,
 159         .init_controls = hdcs_init_controls,
 160         .probe = hdcs_probe_1020,
 161         .start = hdcs_start,
 162         .stop = hdcs_stop,
 163         .dump = hdcs_dump,
 164 };
 165
 166 static const u16 stv_bridge_init[][2] = {
 167         {STV_ISO_ENABLE, 0},
 168         {STV_REG23, 0},
 169         {STV_REG00, 0x1d},
 170         {STV_REG01, 0xb5},
 171         {STV_REG02, 0xa8},
 172         {STV_REG03, 0x95},
 173         {STV_REG04, 0x07},
 174
 175         {STV_SCAN_RATE, 0x20},
 176         {STV_Y_CTRL, 0x01},
 177         {STV_X_CTRL, 0x0a}
 178 };
 179
 180 static const u8 stv_sensor_init[][2] = {
 181         /* Clear status (writing 1 will clear the corresponding status bit) */
 182         {HDCS_STATUS, BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
 183         /* Disable all interrupts */
 184         {HDCS_IMASK, 0x00},
 185         {HDCS_PCTRL, BIT(6) | BIT(5) | BIT(1) | BIT(0)},
 186         {HDCS_PDRV,  0x00},
 187         {HDCS_ICTRL, BIT(5)},
 188         {HDCS_ITMG,  BIT(4) | BIT(1)},
 189         /* ADC output resolution to 10 bits */
 190         {HDCS_ADCCTRL, 10}
 191 };
 192
 193 #endif