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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/media/video/au0828/au0828-reg.h
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/*

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 *  Driver for the Auvitek USB bridge

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 *

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 *  Copyright (c) 2008 Steven Toth <[email protected]>

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 *

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 *  This program is free software; you can redistribute it and/or modify

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 *  it under the terms of the GNU General Public License as published by

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 *  the Free Software Foundation; either version 2 of the License, or

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 *  (at your option) any later version.

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 *

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 *  This program is distributed in the hope that it will be useful,

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *

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 *  GNU General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with this program; if not, write to the Free Software

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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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 */

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/* We'll start to rename these registers once we have a better

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 * understanding of their meaning.

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 */

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#define REG_000 0x000

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#define REG_001 0x001

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#define REG_002 0x002

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#define REG_003 0x003

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#define AU0828_SENSORCTRL_100 0x100

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#define AU0828_SENSORCTRL_VBI_103 0x103

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/* I2C registers */

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#define AU0828_I2C_TRIGGER_200		0x200

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#define AU0828_I2C_STATUS_201		0x201

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#define AU0828_I2C_CLK_DIVIDER_202	0x202

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#define AU0828_I2C_DEST_ADDR_203	0x203

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#define AU0828_I2C_WRITE_FIFO_205	0x205

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#define AU0828_I2C_READ_FIFO_209	0x209

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#define AU0828_I2C_MULTIBYTE_MODE_2FF	0x2ff

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/* Audio registers */

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#define AU0828_AUDIOCTRL_50C 0x50C

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#define REG_600 0x600

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/*********************************************************************/

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/* Here are constants for values associated with the above registers */

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/* I2C Trigger (Reg 0x200) */

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#define AU0828_I2C_TRIGGER_WRITE	0x01

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#define AU0828_I2C_TRIGGER_READ		0x20

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#define AU0828_I2C_TRIGGER_HOLD		0x40

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/* I2C Status (Reg 0x201) */

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#define AU0828_I2C_STATUS_READ_DONE	0x01

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#define AU0828_I2C_STATUS_NO_READ_ACK	0x02

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#define AU0828_I2C_STATUS_WRITE_DONE	0x04

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#define AU0828_I2C_STATUS_NO_WRITE_ACK	0x08

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#define AU0828_I2C_STATUS_BUSY		0x10

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/* I2C Clock Divider (Reg 0x202) */

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#define AU0828_I2C_CLK_250KHZ 0x07

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#define AU0828_I2C_CLK_100KHZ 0x14

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#define AU0828_I2C_CLK_30KHZ  0x40

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