LXR linux/drivers/media/usb/gspca/stv06xx/stv06xx.h

   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 Andrén
   7 *
   8 * P/N 861037:      Sensor HDCS1000        ASIC STV0600
   9 * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
  10 * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
  11 * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
  12 * P/N 861075-0040: Sensor HDCS1000        ASIC
  13 * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
  14 * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
  15 */
  16
  17#ifndef STV06XX_H_
  18#define STV06XX_H_
  19
  20#include <linux/slab.h>
  21#include "gspca.h"
  22
  23#define MODULE_NAME "STV06xx"
  24
  25#define STV_ISOC_ENDPOINT_ADDR          0x81
  26
  27#define STV_R                           0x0509
  28
  29#define STV_REG23                       0x0423
  30
  31/* Control registers of the STV0600 ASIC */
  32#define STV_I2C_PARTNER                 0x1420
  33#define STV_I2C_VAL_REG_VAL_PAIRS_MIN1  0x1421
  34#define STV_I2C_READ_WRITE_TOGGLE       0x1422
  35#define STV_I2C_FLUSH                   0x1423
  36#define STV_I2C_SUCC_READ_REG_VALS      0x1424
  37
  38#define STV_ISO_ENABLE                  0x1440
  39#define STV_SCAN_RATE                   0x1443
  40#define STV_LED_CTRL                    0x1445
  41#define STV_STV0600_EMULATION           0x1446
  42#define STV_REG00                       0x1500
  43#define STV_REG01                       0x1501
  44#define STV_REG02                       0x1502
  45#define STV_REG03                       0x1503
  46#define STV_REG04                       0x1504
  47
  48#define STV_ISO_SIZE_L                  0x15c1
  49#define STV_ISO_SIZE_H                  0x15c2
  50
  51/* Refers to the CIF 352x288 and QCIF 176x144 */
  52/* 1: 288 lines, 2: 144 lines */
  53#define STV_Y_CTRL                      0x15c3
  54
  55#define STV_RESET                       0x1620
  56
  57/* 0xa: 352 columns, 0x6: 176 columns */
  58#define STV_X_CTRL                      0x1680
  59
  60#define STV06XX_URB_MSG_TIMEOUT         5000
  61
  62#define I2C_MAX_BYTES                   16
  63#define I2C_MAX_WORDS                   8
  64
  65#define I2C_BUFFER_LENGTH               0x23
  66#define I2C_READ_CMD                    3
  67#define I2C_WRITE_CMD                   1
  68
  69#define LED_ON                          1
  70#define LED_OFF                         0
  71
  72/* STV06xx device descriptor */
  73struct sd {
  74        struct gspca_dev gspca_dev;
  75
  76        /* A pointer to the currently connected sensor */
  77        const struct stv06xx_sensor *sensor;
  78
  79        /* Sensor private data */
  80        void *sensor_priv;
  81
  82        /* The first 4 lines produced by the stv6422 are no good, this keeps
  83           track of how many bytes we still need to skip during a frame */
  84        int to_skip;
  85
  86        /* Bridge / Camera type */
  87        u8 bridge;
  88        #define BRIDGE_STV600 0
  89        #define BRIDGE_STV602 1
  90        #define BRIDGE_STV610 2
  91        #define BRIDGE_ST6422 3 /* With integrated sensor */
  92};
  93
  94int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
  95int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
  96
  97int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
  98int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
  99
 100int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
 101int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
 102
 103#endif
 104