104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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* 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_H_
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#define STV06XX_H_
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#include <linux/slab.h>
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#include "gspca.h"
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#define MODULE_NAME "STV06xx"
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#define STV_ISOC_ENDPOINT_ADDR 0x81
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#define STV_R 0x0509
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#define STV_REG23 0x0423
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/* Control registers of the STV0600 ASIC */
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#define STV_I2C_PARTNER 0x1420
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#define STV_I2C_VAL_REG_VAL_PAIRS_MIN1 0x1421
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#define STV_I2C_READ_WRITE_TOGGLE 0x1422
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#define STV_I2C_FLUSH 0x1423
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#define STV_I2C_SUCC_READ_REG_VALS 0x1424
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#define STV_ISO_ENABLE 0x1440
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#define STV_SCAN_RATE 0x1443
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#define STV_LED_CTRL 0x1445
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#define STV_STV0600_EMULATION 0x1446
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#define STV_REG00 0x1500
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#define STV_REG01 0x1501
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#define STV_REG02 0x1502
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#define STV_REG03 0x1503
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#define STV_REG04 0x1504
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#define STV_ISO_SIZE_L 0x15c1
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#define STV_ISO_SIZE_H 0x15c2
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/* Refers to the CIF 352x288 and QCIF 176x144 */
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/* 1: 288 lines, 2: 144 lines */
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#define STV_Y_CTRL 0x15c3
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#define STV_RESET 0x1620
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/* 0xa: 352 columns, 0x6: 176 columns */
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#define STV_X_CTRL 0x1680
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#define STV06XX_URB_MSG_TIMEOUT 5000
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#define I2C_MAX_BYTES 16
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#define I2C_MAX_WORDS 8
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#define I2C_BUFFER_LENGTH 0x23
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#define I2C_READ_CMD 3
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#define I2C_WRITE_CMD 1
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#define LED_ON 1
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#define LED_OFF 0
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/* STV06xx device descriptor */
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struct sd {
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struct gspca_dev gspca_dev;
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/* A pointer to the currently connected sensor */
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const struct stv06xx_sensor *sensor;
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/* Sensor private data */
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void *sensor_priv;
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/* The first 4 lines produced by the stv6422 are no good, this keeps
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track of how many bytes we still need to skip during a frame */
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int to_skip;
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/* Bridge / Camera type */
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u8 bridge;
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#define BRIDGE_STV600 0
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#define BRIDGE_STV602 1
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#define BRIDGE_STV610 2
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#define BRIDGE_ST6422 3 /* With integrated sensor */
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};
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int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
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int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
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int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
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int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
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int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
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int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
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#endif
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