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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Driver for the Auvitek USB bridge
   4  *
   5  *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
   6  */
   7
   8 /* We'll start to rename these registers once we have a better
   9  * understanding of their meaning.
  10  */
  11 #define REG_000 0x000
  12 #define REG_001 0x001
  13 #define REG_002 0x002
  14 #define REG_003 0x003
  15
  16 #define AU0828_SENSORCTRL_100 0x100
  17 #define AU0828_SENSORCTRL_VBI_103 0x103
  18
  19 /* I2C registers */
  20 #define AU0828_I2C_TRIGGER_200          0x200
  21 #define AU0828_I2C_STATUS_201           0x201
  22 #define AU0828_I2C_CLK_DIVIDER_202      0x202
  23 #define AU0828_I2C_DEST_ADDR_203        0x203
  24 #define AU0828_I2C_WRITE_FIFO_205       0x205
  25 #define AU0828_I2C_READ_FIFO_209        0x209
  26 #define AU0828_I2C_MULTIBYTE_MODE_2FF   0x2ff
  27
  28 /* Audio registers */
  29 #define AU0828_AUDIOCTRL_50C 0x50C
  30
  31 #define REG_600 0x600
  32
  33 /*********************************************************************/
  34 /* Here are constants for values associated with the above registers */
  35
  36 /* I2C Trigger (Reg 0x200) */
  37 #define AU0828_I2C_TRIGGER_WRITE        0x01
  38 #define AU0828_I2C_TRIGGER_READ         0x20
  39 #define AU0828_I2C_TRIGGER_HOLD         0x40
  40
  41 /* I2C Status (Reg 0x201) */
  42 #define AU0828_I2C_STATUS_READ_DONE     0x01
  43 #define AU0828_I2C_STATUS_NO_READ_ACK   0x02
  44 #define AU0828_I2C_STATUS_WRITE_DONE    0x04
  45 #define AU0828_I2C_STATUS_NO_WRITE_ACK  0x08
  46 #define AU0828_I2C_STATUS_BUSY          0x10
  47
  48 /* I2C Clock Divider (Reg 0x202) */
  49 #define AU0828_I2C_CLK_250KHZ 0x07
  50 #define AU0828_I2C_CLK_100KHZ 0x14
  51 #define AU0828_I2C_CLK_30KHZ  0x40
  52 #define AU0828_I2C_CLK_20KHZ  0x60