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 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 * P/N 861037: Sensor HDCS1000 ASIC STV0600 22 * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600 23 * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express 24 * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam 25 * P/N 861075-0040: Sensor HDCS1000 ASIC 26 * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB 27 * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web 28 */ 29 30 #ifndef STV06XX_H_ 31 #define STV06XX_H_ 32 33 #include <linux/slab.h> 34 #include "gspca.h" 35 36 #define MODULE_NAME "STV06xx" 37 38 #define STV_ISOC_ENDPOINT_ADDR 0x81 39 40 #define STV_R 0x0509 41 42 #define STV_REG23 0x0423 43 44 /* Control registers of the STV0600 ASIC */ 45 #define STV_I2C_PARTNER 0x1420 46 #define STV_I2C_VAL_REG_VAL_PAIRS_MIN1 0x1421 47 #define STV_I2C_READ_WRITE_TOGGLE 0x1422 48 #define STV_I2C_FLUSH 0x1423 49 #define STV_I2C_SUCC_READ_REG_VALS 0x1424 50 51 #define STV_ISO_ENABLE 0x1440 52 #define STV_SCAN_RATE 0x1443 53 #define STV_LED_CTRL 0x1445 54 #define STV_STV0600_EMULATION 0x1446 55 #define STV_REG00 0x1500 56 #define STV_REG01 0x1501 57 #define STV_REG02 0x1502 58 #define STV_REG03 0x1503 59 #define STV_REG04 0x1504 60 61 #define STV_ISO_SIZE_L 0x15c1 62 #define STV_ISO_SIZE_H 0x15c2 63 64 /* Refers to the CIF 352x288 and QCIF 176x144 */ 65 /* 1: 288 lines, 2: 144 lines */ 66 #define STV_Y_CTRL 0x15c3 67 68 #define STV_RESET 0x1620 69 70 /* 0xa: 352 columns, 0x6: 176 columns */ 71 #define STV_X_CTRL 0x1680 72 73 #define STV06XX_URB_MSG_TIMEOUT 5000 74 75 #define I2C_MAX_BYTES 16 76 #define I2C_MAX_WORDS 8 77 78 #define I2C_BUFFER_LENGTH 0x23 79 #define I2C_READ_CMD 3 80 #define I2C_WRITE_CMD 1 81 82 #define LED_ON 1 83 #define LED_OFF 0 84 85 /* STV06xx device descriptor */ 86 struct sd { 87 struct gspca_dev gspca_dev; 88 89 /* A pointer to the currently connected sensor */ 90 const struct stv06xx_sensor *sensor; 91 92 /* Sensor private data */ 93 void *sensor_priv; 94 95 /* The first 4 lines produced by the stv6422 are no good, this keeps 96 track of how many bytes we still need to skip during a frame */ 97 int to_skip; 98 99 /* Bridge / Camera type */ 100 u8 bridge; 101 #define BRIDGE_STV600 0 102 #define BRIDGE_STV602 1 103 #define BRIDGE_STV610 2 104 #define BRIDGE_ST6422 3 /* With integrated sensor */ 105 }; 106 107 int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data); 108 int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data); 109 110 int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len); 111 int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len); 112 113 int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value); 114 int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value); 115 116 #endif 117