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