drivers/media/video/gspca/stv06xx/stv06xx_hdcs.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  * Copyright (c) 2008 Chia-I Wu
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
  23  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
  24  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
  25  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
  26  * P/N 861075-0040: Sensor HDCS1000        ASIC
  27  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
  28  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
  29  */
  30
  31 #ifndef STV06XX_HDCS_H_
  32 #define STV06XX_HDCS_H_
  33
  34 #include "stv06xx_sensor.h"
  35
  36 #define HDCS_REG_CONFIG(sd)     (IS_1020(sd) ? HDCS20_CONFIG : HDCS00_CONFIG)
  37 #define HDCS_REG_CONTROL(sd)    (IS_1020(sd) ? HDCS20_CONTROL : HDCS00_CONTROL)
  38
  39 #define HDCS_1X00_DEF_WIDTH     360
  40 #define HDCS_1X00_DEF_HEIGHT    296
  41
  42 #define HDCS_1020_DEF_WIDTH     352
  43 #define HDCS_1020_DEF_HEIGHT    292
  44
  45 #define HDCS_1020_BOTTOM_Y_SKIP 4
  46
  47 #define HDCS_CLK_FREQ_MHZ       25
  48
  49 #define HDCS_ADC_START_SIG_DUR  3
  50
  51 /* LSB bit of I2C or register address signifies write (0) or read (1) */
  52 /* I2C Registers common for both HDCS-1000/1100 and HDCS-1020 */
  53 /* Identifications Register */
  54 #define HDCS_IDENT              (0x00 << 1)
  55 /* Status Register */
  56 #define HDCS_STATUS             (0x01 << 1)
  57 /* Interrupt Mask Register */
  58 #define HDCS_IMASK              (0x02 << 1)
  59 /* Pad Control Register */
  60 #define HDCS_PCTRL              (0x03 << 1)
  61 /* Pad Drive Control Register */
  62 #define HDCS_PDRV               (0x04 << 1)
  63 /* Interface Control Register */
  64 #define HDCS_ICTRL              (0x05 << 1)
  65 /* Interface Timing Register */
  66 #define HDCS_ITMG               (0x06 << 1)
  67 /* Baud Fraction Register */
  68 #define HDCS_BFRAC              (0x07 << 1)
  69 /* Baud Rate Register */
  70 #define HDCS_BRATE              (0x08 << 1)
  71 /* ADC Control Register */
  72 #define HDCS_ADCCTRL            (0x09 << 1)
  73 /* First Window Row Register */
  74 #define HDCS_FWROW              (0x0a << 1)
  75 /* First Window Column Register */
  76 #define HDCS_FWCOL              (0x0b << 1)
  77 /* Last Window Row Register */
  78 #define HDCS_LWROW              (0x0c << 1)
  79 /* Last Window Column Register */
  80 #define HDCS_LWCOL              (0x0d << 1)
  81 /* Timing Control Register */
  82 #define HDCS_TCTRL              (0x0e << 1)
  83 /* PGA Gain Register: Even Row, Even Column */
  84 #define HDCS_ERECPGA            (0x0f << 1)
  85 /* PGA Gain Register: Even Row, Odd Column */
  86 #define HDCS_EROCPGA            (0x10 << 1)
  87 /* PGA Gain Register: Odd Row, Even Column */
  88 #define HDCS_ORECPGA            (0x11 << 1)
  89 /* PGA Gain Register: Odd Row, Odd Column */
  90 #define HDCS_OROCPGA            (0x12 << 1)
  91 /* Row Exposure Low Register */
  92 #define HDCS_ROWEXPL            (0x13 << 1)
  93 /* Row Exposure High Register */
  94 #define HDCS_ROWEXPH            (0x14 << 1)
  95
  96 /* I2C Registers only for HDCS-1000/1100 */
  97 /* Sub-Row Exposure Low Register */
  98 #define HDCS00_SROWEXPL         (0x15 << 1)
  99 /* Sub-Row Exposure High Register */
 100 #define HDCS00_SROWEXPH         (0x16 << 1)
 101 /* Configuration Register */
 102 #define HDCS00_CONFIG           (0x17 << 1)
 103 /* Control Register */
 104 #define HDCS00_CONTROL          (0x18 << 1)
 105
 106 /* I2C Registers only for HDCS-1020 */
 107 /* Sub-Row Exposure Register */
 108 #define HDCS20_SROWEXP          (0x15 << 1)
 109 /* Error Control Register */
 110 #define HDCS20_ERROR            (0x16 << 1)
 111 /* Interface Timing 2 Register */
 112 #define HDCS20_ITMG2            (0x17 << 1)
 113 /* Interface Control 2 Register */
 114 #define HDCS20_ICTRL2           (0x18 << 1)
 115 /* Horizontal Blank Register */
 116 #define HDCS20_HBLANK           (0x19 << 1)
 117 /* Vertical Blank Register */
 118 #define HDCS20_VBLANK           (0x1a << 1)
 119 /* Configuration Register */
 120 #define HDCS20_CONFIG           (0x1b << 1)
 121 /* Control Register */
 122 #define HDCS20_CONTROL          (0x1c << 1)
 123
 124 #define HDCS_RUN_ENABLE         (1 << 2)
 125 #define HDCS_SLEEP_MODE         (1 << 1)
 126
 127 #define HDCS_DEFAULT_EXPOSURE   48
 128 #define HDCS_DEFAULT_GAIN       50
 129
 130 static int hdcs_probe_1x00(struct sd *sd);
 131 static int hdcs_probe_1020(struct sd *sd);
 132 static int hdcs_start(struct sd *sd);
 133 static int hdcs_init(struct sd *sd);
 134 static int hdcs_init_controls(struct sd *sd);
 135 static int hdcs_stop(struct sd *sd);
 136 static int hdcs_dump(struct sd *sd);
 137
 138 static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
 139 static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val);
 140
 141 const struct stv06xx_sensor stv06xx_sensor_hdcs1x00 = {
 142         .name = "HP HDCS-1000/1100",
 143         .i2c_flush = 0,
 144         .i2c_addr = (0x55 << 1),
 145         .i2c_len = 1,
 146
 147         /* FIXME (see if we can lower min_packet_size, needs testing, and also
 148            adjusting framerate when the bandwidth gets lower) */
 149         .min_packet_size = { 847 },
 150         .max_packet_size = { 847 },
 151
 152         .init = hdcs_init,
 153         .init_controls = hdcs_init_controls,
 154         .probe = hdcs_probe_1x00,
 155         .start = hdcs_start,
 156         .stop = hdcs_stop,
 157         .dump = hdcs_dump,
 158 };
 159
 160 const struct stv06xx_sensor stv06xx_sensor_hdcs1020 = {
 161         .name = "HDCS-1020",
 162         .i2c_flush = 0,
 163         .i2c_addr = (0x55 << 1),
 164         .i2c_len = 1,
 165
 166         /* FIXME (see if we can lower min_packet_size, needs testing, and also
 167            adjusting framerate when the bandwidthm gets lower) */
 168         .min_packet_size = { 847 },
 169         .max_packet_size = { 847 },
 170
 171         .init = hdcs_init,
 172         .init_controls = hdcs_init_controls,
 173         .probe = hdcs_probe_1020,
 174         .start = hdcs_start,
 175         .stop = hdcs_stop,
 176         .dump = hdcs_dump,
 177 };
 178
 179 static const u16 stv_bridge_init[][2] = {
 180         {STV_ISO_ENABLE, 0},
 181         {STV_REG23, 0},
 182         {STV_REG00, 0x1d},
 183         {STV_REG01, 0xb5},
 184         {STV_REG02, 0xa8},
 185         {STV_REG03, 0x95},
 186         {STV_REG04, 0x07},
 187
 188         {STV_SCAN_RATE, 0x20},
 189         {STV_Y_CTRL, 0x01},
 190         {STV_X_CTRL, 0x0a}
 191 };
 192
 193 static const u8 stv_sensor_init[][2] = {
 194         /* Clear status (writing 1 will clear the corresponding status bit) */
 195         {HDCS_STATUS, BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
 196         /* Disable all interrupts */
 197         {HDCS_IMASK, 0x00},
 198         {HDCS_PCTRL, BIT(6) | BIT(5) | BIT(1) | BIT(0)},
 199         {HDCS_PDRV,  0x00},
 200         {HDCS_ICTRL, BIT(5)},
 201         {HDCS_ITMG,  BIT(4) | BIT(1)},
 202         /* ADC output resolution to 10 bits */
 203         {HDCS_ADCCTRL, 10}
 204 };
 205
 206 #endif