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

   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_REG23                       0x0423
  41
  42/* Control registers of the STV0600 ASIC */
  43#define STV_I2C_PARTNER                 0x1420
  44#define STV_I2C_VAL_REG_VAL_PAIRS_MIN1  0x1421
  45#define STV_I2C_READ_WRITE_TOGGLE       0x1422
  46#define STV_I2C_FLUSH                   0x1423
  47#define STV_I2C_SUCC_READ_REG_VALS      0x1424
  48
  49#define STV_ISO_ENABLE                  0x1440
  50#define STV_SCAN_RATE                   0x1443
  51#define STV_LED_CTRL                    0x1445
  52#define STV_STV0600_EMULATION           0x1446
  53#define STV_REG00                       0x1500
  54#define STV_REG01                       0x1501
  55#define STV_REG02                       0x1502
  56#define STV_REG03                       0x1503
  57#define STV_REG04                       0x1504
  58
  59#define STV_ISO_SIZE_L                  0x15c1
  60#define STV_ISO_SIZE_H                  0x15c2
  61
  62/* Refers to the CIF 352x288 and QCIF 176x144 */
  63/* 1: 288 lines, 2: 144 lines */
  64#define STV_Y_CTRL                      0x15c3
  65
  66/* 0xa: 352 columns, 0x6: 176 columns */
  67#define STV_X_CTRL                      0x1680
  68
  69#define STV06XX_URB_MSG_TIMEOUT         5000
  70
  71#define I2C_MAX_BYTES                   16
  72#define I2C_MAX_WORDS                   8
  73
  74#define I2C_BUFFER_LENGTH               0x23
  75#define I2C_READ_CMD                    3
  76#define I2C_WRITE_CMD                   1
  77
  78#define LED_ON                          1
  79#define LED_OFF                         0
  80
  81/* STV06xx device descriptor */
  82struct sd {
  83        struct gspca_dev gspca_dev;
  84
  85        /* A pointer to the currently connected sensor */
  86        const struct stv06xx_sensor *sensor;
  87
  88        /* A pointer to the sd_desc struct */
  89        struct sd_desc desc;
  90
  91        /* Sensor private data */
  92        void *sensor_priv;
  93
  94        /* The first 4 lines produced by the stv6422 are no good, this keeps
  95           track of how many bytes we still need to skip during a frame */
  96        int to_skip;
  97
  98        /* Bridge / Camera type */
  99        u8 bridge;
 100        #define BRIDGE_STV600 0
 101        #define BRIDGE_STV602 1
 102        #define BRIDGE_STV610 2
 103        #define BRIDGE_ST6422 3 /* With integrated sensor */
 104};
 105
 106int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
 107int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
 108
 109int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
 110int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
 111
 112int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
 113int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
 114
 115#endif
 116