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 */
  73 struct 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
  94 int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
  95 int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
  96
  97 int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
  98 int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
  99
 100 int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
 101 int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
 102
 103 #endif