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 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * P/N 861037: Sensor HDCS1000 ASIC STV0600 18 * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600 19 * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express 20 * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam 21 * P/N 861075-0040: Sensor HDCS1000 ASIC 22 * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB 23 * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web 24 */ 25 26 #ifndef STV06XX_H_ 27 #define STV06XX_H_ 28 29 #include <linux/slab.h> 30 #include "gspca.h" 31 32 #define MODULE_NAME "STV06xx" 33 34 #define STV_ISOC_ENDPOINT_ADDR 0x81 35 36 #define STV_R 0x0509 37 38 #define STV_REG23 0x0423 39 40 /* Control registers of the STV0600 ASIC */ 41 #define STV_I2C_PARTNER 0x1420 42 #define STV_I2C_VAL_REG_VAL_PAIRS_MIN1 0x1421 43 #define STV_I2C_READ_WRITE_TOGGLE 0x1422 44 #define STV_I2C_FLUSH 0x1423 45 #define STV_I2C_SUCC_READ_REG_VALS 0x1424 46 47 #define STV_ISO_ENABLE 0x1440 48 #define STV_SCAN_RATE 0x1443 49 #define STV_LED_CTRL 0x1445 50 #define STV_STV0600_EMULATION 0x1446 51 #define STV_REG00 0x1500 52 #define STV_REG01 0x1501 53 #define STV_REG02 0x1502 54 #define STV_REG03 0x1503 55 #define STV_REG04 0x1504 56 57 #define STV_ISO_SIZE_L 0x15c1 58 #define STV_ISO_SIZE_H 0x15c2 59 60 /* Refers to the CIF 352x288 and QCIF 176x144 */ 61 /* 1: 288 lines, 2: 144 lines */ 62 #define STV_Y_CTRL 0x15c3 63 64 #define STV_RESET 0x1620 65 66 /* 0xa: 352 columns, 0x6: 176 columns */ 67 #define STV_X_CTRL 0x1680 68 69 #define STV06XX_URB_MSG_TIMEOUT 5000 70 71 #define I2C_MAX_BYTES 16 72 #define I2C_MAX_WORDS 8 73 74 #define I2C_BUFFER_LENGTH 0x23 75 #define I2C_READ_CMD 3 76 #define I2C_WRITE_CMD 1 77 78 #define LED_ON 1 79 #define LED_OFF 0 80 81 /* STV06xx device descriptor */ 82 struct sd { 83 struct gspca_dev gspca_dev; 84 85 /* A pointer to the currently connected sensor */ 86 const struct stv06xx_sensor *sensor; 87 88 /* Sensor private data */ 89 void *sensor_priv; 90 91 /* The first 4 lines produced by the stv6422 are no good, this keeps 92 track of how many bytes we still need to skip during a frame */ 93 int to_skip; 94 95 /* Bridge / Camera type */ 96 u8 bridge; 97 #define BRIDGE_STV600 0 98 #define BRIDGE_STV602 1 99 #define BRIDGE_STV610 2 100 #define BRIDGE_ST6422 3 /* With integrated sensor */ 101 }; 102 103 int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data); 104 int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data); 105 106 int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len); 107 int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len); 108 109 int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value); 110 int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value); 111 112 #endif 113