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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
* Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
* Copyright (c) 2002, 2003 Tuukka Toivonen
* Copyright (c) 2008 Erik Andrén
*
* P/N 861037: Sensor HDCS1000 ASIC STV0600
* P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
* P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
* P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
* P/N 861075-0040: Sensor HDCS1000 ASIC
* P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
* P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
*/
#ifndef STV06XX_H_
#define STV06XX_H_
#include <linux/slab.h>
#include "gspca.h"
#define MODULE_NAME "STV06xx"
#define STV_ISOC_ENDPOINT_ADDR 0x81
#define STV_R 0x0509
#define STV_REG23 0x0423
/* Control registers of the STV0600 ASIC */
#define STV_I2C_PARTNER 0x1420
#define STV_I2C_VAL_REG_VAL_PAIRS_MIN1 0x1421
#define STV_I2C_READ_WRITE_TOGGLE 0x1422
#define STV_I2C_FLUSH 0x1423
#define STV_I2C_SUCC_READ_REG_VALS 0x1424
#define STV_ISO_ENABLE 0x1440
#define STV_SCAN_RATE 0x1443
#define STV_LED_CTRL 0x1445
#define STV_STV0600_EMULATION 0x1446
#define STV_REG00 0x1500
#define STV_REG01 0x1501
#define STV_REG02 0x1502
#define STV_REG03 0x1503
#define STV_REG04 0x1504
#define STV_ISO_SIZE_L 0x15c1
#define STV_ISO_SIZE_H 0x15c2
/* Refers to the CIF 352x288 and QCIF 176x144 */
/* 1: 288 lines, 2: 144 lines */
#define STV_Y_CTRL 0x15c3
#define STV_RESET 0x1620
/* 0xa: 352 columns, 0x6: 176 columns */
#define STV_X_CTRL 0x1680
#define STV06XX_URB_MSG_TIMEOUT 5000
#define I2C_MAX_BYTES 16
#define I2C_MAX_WORDS 8
#define I2C_BUFFER_LENGTH 0x23
#define I2C_READ_CMD 3
#define I2C_WRITE_CMD 1
#define LED_ON 1
#define LED_OFF 0
/* STV06xx device descriptor */
struct sd {
struct gspca_dev gspca_dev;
/* A pointer to the currently connected sensor */
const struct stv06xx_sensor *sensor;
/* Sensor private data */
void *sensor_priv;
/* The first 4 lines produced by the stv6422 are no good, this keeps
track of how many bytes we still need to skip during a frame */
int to_skip;
/* Bridge / Camera type */
u8 bridge;
#define BRIDGE_STV600 0
#define BRIDGE_STV602 1
#define BRIDGE_STV610 2
#define BRIDGE_ST6422 3 /* With integrated sensor */
};
int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
#endif
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