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 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22/* We'll start to rename these registers once we have a better
23 * understanding of their meaning.
24 */
25#define REG_000 0x000
26#define REG_001 0x001
27#define REG_002 0x002
28#define REG_003 0x003
29
30#define AU0828_SENSORCTRL_100 0x100
31#define AU0828_SENSORCTRL_VBI_103 0x103
32
33/* I2C registers */
34#define AU0828_I2C_TRIGGER_200		0x200
35#define AU0828_I2C_STATUS_201		0x201
36#define AU0828_I2C_CLK_DIVIDER_202	0x202
37#define AU0828_I2C_DEST_ADDR_203	0x203
38#define AU0828_I2C_WRITE_FIFO_205	0x205
39#define AU0828_I2C_READ_FIFO_209	0x209
40#define AU0828_I2C_MULTIBYTE_MODE_2FF	0x2ff
41
42/* Audio registers */
43#define AU0828_AUDIOCTRL_50C 0x50C
44
45#define REG_600 0x600
46
47/*********************************************************************/
48/* Here are constants for values associated with the above registers */
49
50/* I2C Trigger (Reg 0x200) */
51#define AU0828_I2C_TRIGGER_WRITE	0x01
52#define AU0828_I2C_TRIGGER_READ		0x20
53#define AU0828_I2C_TRIGGER_HOLD		0x40
54
55/* I2C Status (Reg 0x201) */
56#define AU0828_I2C_STATUS_READ_DONE	0x01
57#define AU0828_I2C_STATUS_NO_READ_ACK	0x02
58#define AU0828_I2C_STATUS_WRITE_DONE	0x04
59#define AU0828_I2C_STATUS_NO_WRITE_ACK	0x08
60#define AU0828_I2C_STATUS_BUSY		0x10
61
62/* I2C Clock Divider (Reg 0x202) */
63#define AU0828_I2C_CLK_250KHZ 0x07
64#define AU0828_I2C_CLK_100KHZ 0x14
65#define AU0828_I2C_CLK_30KHZ  0x40
66#define AU0828_I2C_CLK_20KHZ  0x60
67