252 lines
6.9 KiB
C
Executable file
252 lines
6.9 KiB
C
Executable file
/*
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* Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
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* Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
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* Copyright (c) 2002, 2003 Tuukka Toivonen
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* Copyright (c) 2008 Erik Andrén
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* P/N 861037: Sensor HDCS1000 ASIC STV0600
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* P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
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* P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
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* P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
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* P/N 861075-0040: Sensor HDCS1000 ASIC
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* P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
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* P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
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*/
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#ifndef STV06XX_VV6410_H_
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#define STV06XX_VV6410_H_
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#include "stv06xx_sensor.h"
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#define VV6410_COLS 416
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#define VV6410_ROWS 320
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/* Status registers */
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/* Chip identification number including revision indicator */
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#define VV6410_DEVICEH 0x00
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#define VV6410_DEVICEL 0x01
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/* User can determine whether timed I2C data
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has been consumed by interrogating flag states */
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#define VV6410_STATUS0 0x02
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/* Current line counter value */
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#define VV6410_LINECOUNTH 0x03
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#define VV6410_LINECOUNTL 0x04
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/* End x coordinate of image size */
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#define VV6410_XENDH 0x05
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#define VV6410_XENDL 0x06
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/* End y coordinate of image size */
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#define VV6410_YENDH 0x07
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#define VV6410_YENDL 0x08
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/* This is the average pixel value returned from the
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dark line offset cancellation algorithm */
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#define VV6410_DARKAVGH 0x09
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#define VV6410_DARKAVGL 0x0a
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/* This is the average pixel value returned from the
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black line offset cancellation algorithm */
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#define VV6410_BLACKAVGH 0x0b
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#define VV6410_BLACKAVGL 0x0c
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/* Flags to indicate whether the x or y image coordinates have been clipped */
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#define VV6410_STATUS1 0x0d
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/* Setup registers */
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/* Low-power/sleep modes & video timing */
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#define VV6410_SETUP0 0x10
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/* Various parameters */
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#define VV6410_SETUP1 0x11
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/* Contains pixel counter reset value used by external sync */
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#define VV6410_SYNCVALUE 0x12
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/* Frame grabbing modes (FST, LST and QCK) */
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#define VV6410_FGMODES 0x14
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/* FST and QCK mapping modes. */
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#define VV6410_PINMAPPING 0x15
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/* Data resolution */
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#define VV6410_DATAFORMAT 0x16
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/* Output coding formats */
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#define VV6410_OPFORMAT 0x17
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/* Various mode select bits */
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#define VV6410_MODESELECT 0x18
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/* Exposure registers */
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/* Fine exposure. */
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#define VV6410_FINEH 0x20
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#define VV6410_FINEL 0x21
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/* Coarse exposure */
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#define VV6410_COARSEH 0x22
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#define VV6410_COARSEL 0x23
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/* Analog gain setting */
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#define VV6410_ANALOGGAIN 0x24
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/* Clock division */
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#define VV6410_CLKDIV 0x25
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/* Dark line offset cancellation value */
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#define VV6410_DARKOFFSETH 0x2c
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#define VV6410_DARKOFFSETL 0x2d
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/* Dark line offset cancellation enable */
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#define VV6410_DARKOFFSETSETUP 0x2e
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/* Video timing registers */
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/* Line Length (Pixel Clocks) */
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#define VV6410_LINELENGTHH 0x52
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#define VV6410_LINELENGTHL 0x53
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/* X-co-ordinate of top left corner of region of interest (x-offset) */
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#define VV6410_XOFFSETH 0x57
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#define VV6410_XOFFSETL 0x58
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/* Y-coordinate of top left corner of region of interest (y-offset) */
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#define VV6410_YOFFSETH 0x59
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#define VV6410_YOFFSETL 0x5a
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/* Field length (Lines) */
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#define VV6410_FIELDLENGTHH 0x61
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#define VV6410_FIELDLENGTHL 0x62
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/* System registers */
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/* Black offset cancellation default value */
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#define VV6410_BLACKOFFSETH 0x70
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#define VV6410_BLACKOFFSETL 0x71
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/* Black offset cancellation setup */
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#define VV6410_BLACKOFFSETSETUP 0x72
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/* Analog Control Register 0 */
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#define VV6410_CR0 0x75
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/* Analog Control Register 1 */
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#define VV6410_CR1 0x76
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/* ADC Setup Register */
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#define VV6410_AS0 0x77
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/* Analog Test Register */
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#define VV6410_AT0 0x78
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/* Audio Amplifier Setup Register */
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#define VV6410_AT1 0x79
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#define VV6410_HFLIP (1 << 3)
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#define VV6410_VFLIP (1 << 4)
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#define VV6410_LOW_POWER_MODE (1 << 0)
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#define VV6410_SOFT_RESET (1 << 2)
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#define VV6410_PAL_25_FPS (0 << 3)
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#define VV6410_CLK_DIV_2 (1 << 1)
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#define VV6410_FINE_EXPOSURE 320
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#define VV6410_COARSE_EXPOSURE 192
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#define VV6410_DEFAULT_GAIN 5
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#define VV6410_SUBSAMPLE 0x01
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#define VV6410_CROP_TO_QVGA 0x02
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#define VV6410_CIF_LINELENGTH 415
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static int vv6410_probe(struct sd *sd);
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static int vv6410_start(struct sd *sd);
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static int vv6410_init(struct sd *sd);
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static int vv6410_init_controls(struct sd *sd);
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static int vv6410_stop(struct sd *sd);
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static int vv6410_dump(struct sd *sd);
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/* V4L2 controls supported by the driver */
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static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
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static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
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static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val);
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static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
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const struct stv06xx_sensor stv06xx_sensor_vv6410 = {
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.name = "ST VV6410",
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.i2c_flush = 5,
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.i2c_addr = 0x20,
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.i2c_len = 1,
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/* FIXME (see if we can lower packet_size-s, needs testing, and also
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adjusting framerate when the bandwidth gets lower) */
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.min_packet_size = { 1023 },
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.max_packet_size = { 1023 },
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.init = vv6410_init,
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.init_controls = vv6410_init_controls,
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.probe = vv6410_probe,
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.start = vv6410_start,
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.stop = vv6410_stop,
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.dump = vv6410_dump,
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};
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/* If NULL, only single value to write, stored in len */
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struct stv_init {
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u16 addr;
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u8 data;
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};
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static const struct stv_init stv_bridge_init[] = {
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/* This reg is written twice. Some kind of reset? */
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{STV_RESET, 0x80},
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{STV_RESET, 0x00},
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{STV_SCAN_RATE, 0x00},
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{STV_I2C_FLUSH, 0x04},
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{STV_REG00, 0x0b},
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{STV_REG01, 0xa7},
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{STV_REG02, 0xb7},
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{STV_REG03, 0x00},
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{STV_REG04, 0x00},
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{0x1536, 0x02},
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{0x1537, 0x00},
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{0x1538, 0x60},
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{0x1539, 0x01},
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{0x153a, 0x20},
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{0x153b, 0x01},
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};
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static const u8 vv6410_sensor_init[][2] = {
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/* Setup registers */
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{VV6410_SETUP0, VV6410_SOFT_RESET},
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{VV6410_SETUP0, VV6410_LOW_POWER_MODE},
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/* Use shuffled read-out mode */
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{VV6410_SETUP1, BIT(6)},
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/* All modes to 1, FST, Fast QCK, Free running QCK, Free running LST, FST will qualify visible pixels */
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{VV6410_FGMODES, BIT(6) | BIT(4) | BIT(2) | BIT(0)},
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{VV6410_PINMAPPING, 0x00},
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/* Pre-clock generator divide off */
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{VV6410_DATAFORMAT, BIT(7) | BIT(0)},
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{VV6410_CLKDIV, VV6410_CLK_DIV_2},
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/* System registers */
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/* Enable voltage doubler */
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{VV6410_AS0, BIT(6) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
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{VV6410_AT0, 0x00},
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/* Power up audio, differential */
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{VV6410_AT1, BIT(4) | BIT(0)},
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};
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#endif
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