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 */
  82 struct 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
 106 int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data);
 107 int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data);
 108
 109 int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len);
 110 int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len);
 111
 112 int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value);
 113 int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value);
 114
 115 #endif