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* Driver for the Auvitek USB bridge
* Copyright (c) 2008 Steven Toth <>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
/* We'll start to rename these registers once we have a better
* understanding of their meaning.
#define REG_000 0x000
#define REG_001 0x001
#define REG_002 0x002
#define REG_003 0x003
#define AU0828_SENSORCTRL_100 0x100
#define AU0828_SENSORCTRL_VBI_103 0x103
/* I2C registers */
#define AU0828_I2C_TRIGGER_200 0x200
#define AU0828_I2C_STATUS_201 0x201
#define AU0828_I2C_CLK_DIVIDER_202 0x202
#define AU0828_I2C_DEST_ADDR_203 0x203
#define AU0828_I2C_WRITE_FIFO_205 0x205
#define AU0828_I2C_READ_FIFO_209 0x209
#define AU0828_I2C_MULTIBYTE_MODE_2FF 0x2ff
/* Audio registers */
#define AU0828_AUDIOCTRL_50C 0x50C
#define REG_600 0x600
/* Here are constants for values associated with the above registers */
/* I2C Trigger (Reg 0x200) */
#define AU0828_I2C_TRIGGER_WRITE 0x01
#define AU0828_I2C_TRIGGER_READ 0x20
#define AU0828_I2C_TRIGGER_HOLD 0x40
/* I2C Status (Reg 0x201) */
#define AU0828_I2C_STATUS_READ_DONE 0x01
#define AU0828_I2C_STATUS_NO_READ_ACK 0x02
#define AU0828_I2C_STATUS_WRITE_DONE 0x04
#define AU0828_I2C_STATUS_NO_WRITE_ACK 0x08
#define AU0828_I2C_STATUS_BUSY 0x10
/* I2C Clock Divider (Reg 0x202) */
#define AU0828_I2C_CLK_250KHZ 0x07
#define AU0828_I2C_CLK_100KHZ 0x14
#define AU0828_I2C_CLK_30KHZ 0x40
#define AU0828_I2C_CLK_20KHZ 0x60