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root/sound/oss/sb_mixer.h

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/*
 * sound/oss/sb_mixer.h
 * 
 * Definitions for the SB Pro and SB16 mixers
 */
/*
 * Copyright (C) by Hannu Savolainen 1993-1997
 *
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */

/*
 * Modified:
 *      Hunyue Yau      Jan 6 1994
 *      Added defines for the Sound Galaxy NX Pro mixer.
 *
 *      Rolf Fokkens    Dec 20 1998
 *      Added defines for some ES188x chips.
 *
 *      Rolf Fokkens    Dec 27 1998
 *      Moved static stuff to sb_mixer.c
 *
 */
/*
 * Mixer registers
 * 
 * NOTE!        RECORD_SRC == IN_FILTER
 */

/* 
 * Mixer registers of SB Pro
 */
#define VOC_VOL         0x04
#define MIC_VOL         0x0A
#define MIC_MIX         0x0A
#define RECORD_SRC      0x0C
#define IN_FILTER       0x0C
#define OUT_FILTER      0x0E
#define MASTER_VOL      0x22
#define FM_VOL          0x26
#define CD_VOL          0x28
#define LINE_VOL        0x2E
#define IRQ_NR          0x80
#define DMA_NR          0x81
#define IRQ_STAT        0x82
#define OPSW            0x3c

/*
 * Additional registers on the SG NX Pro 
 */
#define COVOX_VOL       0x42
#define TREBLE_LVL      0x44
#define BASS_LVL        0x46

#define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
#define FREQ_LOW        0       /* Use Low-frequency ANFI filters */
#define FILT_ON         0       /* Yes, 0 to turn it on, 1 for off */
#define FILT_OFF        (1 << 5)

#define MONO_DAC        0x00
#define STEREO_DAC      0x02

/*
 * Mixer registers of SB16
 */
#define SB16_OMASK      0x3c
#define SB16_IMASK_L    0x3d
#define SB16_IMASK_R    0x3e

#define LEFT_CHN        0
#define RIGHT_CHN       1

/*
 * 3DSE register of AWE32/64
 */
#define AWE_3DSE        0x90

/*
 * Mixer registers of ALS007
 */
#define ALS007_RECORD_SRC       0x6c
#define ALS007_OUTPUT_CTRL1     0x3c
#define ALS007_OUTPUT_CTRL2     0x4c

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

/*
 *      Recording sources (SB Pro)
 */

#define SRC__MIC         1      /* Select Microphone recording source */
#define SRC__CD          3      /* Select CD recording source */
#define SRC__LINE        7      /* Use Line-in for recording source */

/*
 *      Recording sources for ALS-007
 */

#define ALS007_MIC      4
#define ALS007_LINE     6
#define ALS007_CD       2
#define ALS007_SYNTH    7

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