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 Andr��n 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 117static int hdcs_probe_1x00(struct sd *sd); 118static int hdcs_probe_1020(struct sd *sd); 119static int hdcs_start(struct sd *sd); 120static int hdcs_init(struct sd *sd); 121static int hdcs_init_controls(struct sd *sd); 122static int hdcs_stop(struct sd *sd); 123static int hdcs_dump(struct sd *sd); 124 125static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val); 126static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val); 127 128const 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 147const 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 166static 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 180static 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 194