drivers/media/usb/au0828/au0828-reg.h

   1 /*
   2  *  Driver for the Auvitek USB bridge
   3  *
   4  *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  */
  17
  18 /* We'll start to rename these registers once we have a better
  19  * understanding of their meaning.
  20  */
  21 #define REG_000 0x000
  22 #define REG_001 0x001
  23 #define REG_002 0x002
  24 #define REG_003 0x003
  25
  26 #define AU0828_SENSORCTRL_100 0x100
  27 #define AU0828_SENSORCTRL_VBI_103 0x103
  28
  29 /* I2C registers */
  30 #define AU0828_I2C_TRIGGER_200          0x200
  31 #define AU0828_I2C_STATUS_201           0x201
  32 #define AU0828_I2C_CLK_DIVIDER_202      0x202
  33 #define AU0828_I2C_DEST_ADDR_203        0x203
  34 #define AU0828_I2C_WRITE_FIFO_205       0x205
  35 #define AU0828_I2C_READ_FIFO_209        0x209
  36 #define AU0828_I2C_MULTIBYTE_MODE_2FF   0x2ff
  37
  38 /* Audio registers */
  39 #define AU0828_AUDIOCTRL_50C 0x50C
  40
  41 #define REG_600 0x600
  42
  43 /*********************************************************************/
  44 /* Here are constants for values associated with the above registers */
  45
  46 /* I2C Trigger (Reg 0x200) */
  47 #define AU0828_I2C_TRIGGER_WRITE        0x01
  48 #define AU0828_I2C_TRIGGER_READ         0x20
  49 #define AU0828_I2C_TRIGGER_HOLD         0x40
  50
  51 /* I2C Status (Reg 0x201) */
  52 #define AU0828_I2C_STATUS_READ_DONE     0x01
  53 #define AU0828_I2C_STATUS_NO_READ_ACK   0x02
  54 #define AU0828_I2C_STATUS_WRITE_DONE    0x04
  55 #define AU0828_I2C_STATUS_NO_WRITE_ACK  0x08
  56 #define AU0828_I2C_STATUS_BUSY          0x10
  57
  58 /* I2C Clock Divider (Reg 0x202) */
  59 #define AU0828_I2C_CLK_250KHZ 0x07
  60 #define AU0828_I2C_CLK_100KHZ 0x14
  61 #define AU0828_I2C_CLK_30KHZ  0x40
  62 #define AU0828_I2C_CLK_20KHZ  0x60