/* * Driver for the Auvitek USB bridge * * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> * * 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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. */ /* 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