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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/oss/sb_mixer.h
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/*

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 * sound/oss/sb_mixer.h

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 * 

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 * Definitions for the SB Pro and SB16 mixers

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 */

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/*

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 * Copyright (C) by Hannu Savolainen 1993-1997

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 *

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 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)

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 * Version 2 (June 1991). See the "COPYING" file distributed with this software

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 * for more info.

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 */

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/*

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 * Modified:

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 *	Hunyue Yau	Jan 6 1994

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 *	Added defines for the Sound Galaxy NX Pro mixer.

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 *

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 *	Rolf Fokkens	Dec 20 1998

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 *	Added defines for some ES188x chips.

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 *

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 *	Rolf Fokkens	Dec 27 1998

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 *	Moved static stuff to sb_mixer.c

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 *

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 */

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/*

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 * Mixer registers

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 * 

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 * NOTE!	RECORD_SRC == IN_FILTER

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 */

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/* 

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 * Mixer registers of SB Pro

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 */

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#define VOC_VOL		0x04

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#define MIC_VOL		0x0A

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#define MIC_MIX		0x0A

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#define RECORD_SRC	0x0C

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#define IN_FILTER	0x0C

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#define OUT_FILTER	0x0E

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#define MASTER_VOL	0x22

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#define FM_VOL		0x26

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#define CD_VOL		0x28

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#define LINE_VOL	0x2E

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#define IRQ_NR		0x80

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#define DMA_NR		0x81

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#define IRQ_STAT	0x82

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#define OPSW		0x3c

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/*

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 * Additional registers on the SG NX Pro 

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 */

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#define COVOX_VOL	0x42

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#define TREBLE_LVL	0x44

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#define BASS_LVL	0x46

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#define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */

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#define FREQ_LOW        0	/* Use Low-frequency ANFI filters */

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#define FILT_ON         0	/* Yes, 0 to turn it on, 1 for off */

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#define FILT_OFF        (1 << 5)

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#define MONO_DAC	0x00

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#define STEREO_DAC	0x02

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/*

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 * Mixer registers of SB16

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 */

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#define SB16_OMASK	0x3c

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#define SB16_IMASK_L	0x3d

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#define SB16_IMASK_R	0x3e

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#define LEFT_CHN	0

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#define RIGHT_CHN	1

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/*

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 * 3DSE register of AWE32/64

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 */

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#define AWE_3DSE	0x90

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/*

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 * Mixer registers of ALS007

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 */

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#define ALS007_RECORD_SRC	0x6c

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#define ALS007_OUTPUT_CTRL1	0x3c

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#define ALS007_OUTPUT_CTRL2	0x4c

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#define MIX_ENT(name, reg_l, bit_l, len_l, reg_r, bit_r, len_r)	\

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	{{reg_l, bit_l, len_l}, {reg_r, bit_r, len_r}}

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/*

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 *	Recording sources (SB Pro)

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 */

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#define SRC__MIC         1	/* Select Microphone recording source */

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#define SRC__CD          3	/* Select CD recording source */

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#define SRC__LINE        7	/* Use Line-in for recording source */

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/*

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 *	Recording sources for ALS-007

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 */

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#define ALS007_MIC	4

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#define ALS007_LINE	6

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#define ALS007_CD	2

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#define ALS007_SYNTH	7

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