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 63