| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Driver for the Auvitek USB bridge |
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| 4 | * |
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| 5 | * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> |
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| 6 | */ |
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| 7 | |
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| 8 | /* We'll start to rename these registers once we have a better |
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| 9 | * understanding of their meaning. |
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| 10 | */ |
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| 11 | #define REG_000 0x000 |
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| 12 | #define REG_001 0x001 |
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| 13 | #define REG_002 0x002 |
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| 14 | #define REG_003 0x003 |
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| 15 | |
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| 16 | #define AU0828_SENSORCTRL_100 0x100 |
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| 17 | #define AU0828_SENSORCTRL_VBI_103 0x103 |
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| 18 | |
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| 19 | /* I2C registers */ |
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| 20 | #define AU0828_I2C_TRIGGER_200 0x200 |
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| 21 | #define AU0828_I2C_STATUS_201 0x201 |
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| 22 | #define AU0828_I2C_CLK_DIVIDER_202 0x202 |
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| 23 | #define AU0828_I2C_DEST_ADDR_203 0x203 |
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| 24 | #define AU0828_I2C_WRITE_FIFO_205 0x205 |
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| 25 | #define AU0828_I2C_READ_FIFO_209 0x209 |
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| 26 | #define AU0828_I2C_MULTIBYTE_MODE_2FF 0x2ff |
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| 27 | |
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| 28 | /* Audio registers */ |
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| 29 | #define AU0828_AUDIOCTRL_50C 0x50C |
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| 30 | |
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| 31 | #define REG_600 0x600 |
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| 32 | |
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| 33 | /*********************************************************************/ |
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| 34 | /* Here are constants for values associated with the above registers */ |
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| 35 | |
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| 36 | /* I2C Trigger (Reg 0x200) */ |
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| 37 | #define AU0828_I2C_TRIGGER_WRITE 0x01 |
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| 38 | #define AU0828_I2C_TRIGGER_READ 0x20 |
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| 39 | #define AU0828_I2C_TRIGGER_HOLD 0x40 |
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| 40 | |
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| 41 | /* I2C Status (Reg 0x201) */ |
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| 42 | #define AU0828_I2C_STATUS_READ_DONE 0x01 |
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| 43 | #define AU0828_I2C_STATUS_NO_READ_ACK 0x02 |
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| 44 | #define AU0828_I2C_STATUS_WRITE_DONE 0x04 |
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| 45 | #define AU0828_I2C_STATUS_NO_WRITE_ACK 0x08 |
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| 46 | #define AU0828_I2C_STATUS_BUSY 0x10 |
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| 47 | |
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| 48 | /* I2C Clock Divider (Reg 0x202) */ |
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| 49 | #define AU0828_I2C_CLK_250KHZ 0x07 |
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| 50 | #define AU0828_I2C_CLK_100KHZ 0x14 |
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| 51 | #define AU0828_I2C_CLK_30KHZ 0x40 |
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| 52 | #define AU0828_I2C_CLK_20KHZ 0x60 |
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| 53 | |
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