771 lines
19 KiB
C
771 lines
19 KiB
C
/*
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* sound/oss/sb_mixer.c
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*
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* The low level mixer driver for the Sound Blaster compatible cards.
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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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* Thomas Sailer : ioctl code reworked (vmalloc/vfree removed)
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* Rolf Fokkens (Dec 20 1998) : Moved ESS stuff into sb_ess.[ch]
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* Stanislav Voronyi <stas@esc.kharkov.com> : Support for AWE 3DSE device (Jun 7 1999)
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*/
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#include <linux/slab.h>
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#include "sound_config.h"
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#define __SB_MIXER_C__
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#include "sb.h"
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#include "sb_mixer.h"
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#include "sb_ess.h"
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#define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
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/* Same as SB Pro, unless I find otherwise */
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#define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
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#define SBPRO_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
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SOUND_MASK_CD | SOUND_MASK_VOLUME)
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/* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
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* channel is the COVOX/DisneySoundSource emulation volume control
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* on the mixer. It does NOT control speaker volume. Should have own
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* mask eventually?
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*/
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#define SGNXPRO_MIXER_DEVICES (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
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SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
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#define SB16_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
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SOUND_MASK_CD)
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#define SB16_OUTFILTER_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \
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SOUND_MASK_CD)
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#define SB16_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
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SOUND_MASK_CD | \
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SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
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SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \
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SOUND_MASK_IMIX)
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/* These are the only devices that are working at the moment. Others could
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* be added once they are identified and a method is found to control them.
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*/
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#define ALS007_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \
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SOUND_MASK_PCM | SOUND_MASK_MIC | \
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SOUND_MASK_CD | \
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SOUND_MASK_VOLUME)
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static mixer_tab sbpro_mix = {
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MIX_ENT(SOUND_MIXER_VOLUME, 0x22, 7, 4, 0x22, 3, 4),
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MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_SYNTH, 0x26, 7, 4, 0x26, 3, 4),
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MIX_ENT(SOUND_MIXER_PCM, 0x04, 7, 4, 0x04, 3, 4),
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MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_LINE, 0x2e, 7, 4, 0x2e, 3, 4),
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MIX_ENT(SOUND_MIXER_MIC, 0x0a, 2, 3, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_CD, 0x28, 7, 4, 0x28, 3, 4),
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MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0)
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};
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static mixer_tab sb16_mix = {
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MIX_ENT(SOUND_MIXER_VOLUME, 0x30, 7, 5, 0x31, 7, 5),
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MIX_ENT(SOUND_MIXER_BASS, 0x46, 7, 4, 0x47, 7, 4),
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MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 7, 4, 0x45, 7, 4),
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MIX_ENT(SOUND_MIXER_SYNTH, 0x34, 7, 5, 0x35, 7, 5),
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MIX_ENT(SOUND_MIXER_PCM, 0x32, 7, 5, 0x33, 7, 5),
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MIX_ENT(SOUND_MIXER_SPEAKER, 0x3b, 7, 2, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_LINE, 0x38, 7, 5, 0x39, 7, 5),
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MIX_ENT(SOUND_MIXER_MIC, 0x3a, 7, 5, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_CD, 0x36, 7, 5, 0x37, 7, 5),
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MIX_ENT(SOUND_MIXER_IMIX, 0x3c, 0, 1, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_RECLEV, 0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
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MIX_ENT(SOUND_MIXER_IGAIN, 0x3f, 7, 2, 0x40, 7, 2),
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MIX_ENT(SOUND_MIXER_OGAIN, 0x41, 7, 2, 0x42, 7, 2)
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};
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static mixer_tab als007_mix =
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{
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MIX_ENT(SOUND_MIXER_VOLUME, 0x62, 7, 4, 0x62, 3, 4),
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MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_SYNTH, 0x66, 7, 4, 0x66, 3, 4),
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MIX_ENT(SOUND_MIXER_PCM, 0x64, 7, 4, 0x64, 3, 4),
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MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_LINE, 0x6e, 7, 4, 0x6e, 3, 4),
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MIX_ENT(SOUND_MIXER_MIC, 0x6a, 2, 3, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_CD, 0x68, 7, 4, 0x68, 3, 4),
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MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
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MIX_ENT(SOUND_MIXER_IGAIN, 0x00, 0, 0, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_OGAIN, 0x00, 0, 0, 0x00, 0, 0)
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};
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/* SM_GAMES Master volume is lower and PCM & FM volumes
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higher than with SB Pro. This improves the
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sound quality */
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static int smg_default_levels[32] =
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{
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0x2020, /* Master Volume */
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0x4b4b, /* Bass */
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0x4b4b, /* Treble */
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0x6464, /* FM */
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0x6464, /* PCM */
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0x4b4b, /* PC Speaker */
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0x4b4b, /* Ext Line */
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0x0000, /* Mic */
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0x4b4b, /* CD */
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0x4b4b, /* Recording monitor */
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0x4b4b, /* SB PCM */
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0x4b4b, /* Recording level */
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0x4b4b, /* Input gain */
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0x4b4b, /* Output gain */
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0x4040, /* Line1 */
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0x4040, /* Line2 */
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0x1515 /* Line3 */
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};
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static int sb_default_levels[32] =
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{
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0x5a5a, /* Master Volume */
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0x4b4b, /* Bass */
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0x4b4b, /* Treble */
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0x4b4b, /* FM */
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0x4b4b, /* PCM */
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0x4b4b, /* PC Speaker */
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0x4b4b, /* Ext Line */
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0x1010, /* Mic */
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0x4b4b, /* CD */
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0x0000, /* Recording monitor */
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0x4b4b, /* SB PCM */
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0x4b4b, /* Recording level */
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0x4b4b, /* Input gain */
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0x4b4b, /* Output gain */
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0x4040, /* Line1 */
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0x4040, /* Line2 */
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0x1515 /* Line3 */
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};
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static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
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{
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0x00, /* SOUND_MIXER_VOLUME */
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0x00, /* SOUND_MIXER_BASS */
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0x00, /* SOUND_MIXER_TREBLE */
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0x40, /* SOUND_MIXER_SYNTH */
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0x00, /* SOUND_MIXER_PCM */
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0x00, /* SOUND_MIXER_SPEAKER */
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0x10, /* SOUND_MIXER_LINE */
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0x01, /* SOUND_MIXER_MIC */
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0x04, /* SOUND_MIXER_CD */
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0x00, /* SOUND_MIXER_IMIX */
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0x00, /* SOUND_MIXER_ALTPCM */
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0x00, /* SOUND_MIXER_RECLEV */
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0x00, /* SOUND_MIXER_IGAIN */
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0x00 /* SOUND_MIXER_OGAIN */
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};
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static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
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{
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0x00, /* SOUND_MIXER_VOLUME */
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0x00, /* SOUND_MIXER_BASS */
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0x00, /* SOUND_MIXER_TREBLE */
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0x20, /* SOUND_MIXER_SYNTH */
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0x00, /* SOUND_MIXER_PCM */
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0x00, /* SOUND_MIXER_SPEAKER */
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0x08, /* SOUND_MIXER_LINE */
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0x01, /* SOUND_MIXER_MIC */
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0x02, /* SOUND_MIXER_CD */
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0x00, /* SOUND_MIXER_IMIX */
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0x00, /* SOUND_MIXER_ALTPCM */
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0x00, /* SOUND_MIXER_RECLEV */
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0x00, /* SOUND_MIXER_IGAIN */
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0x00 /* SOUND_MIXER_OGAIN */
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};
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static char smw_mix_regs[] = /* Left mixer registers */
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{
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0x0b, /* SOUND_MIXER_VOLUME */
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0x0d, /* SOUND_MIXER_BASS */
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0x0d, /* SOUND_MIXER_TREBLE */
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0x05, /* SOUND_MIXER_SYNTH */
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0x09, /* SOUND_MIXER_PCM */
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0x00, /* SOUND_MIXER_SPEAKER */
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0x03, /* SOUND_MIXER_LINE */
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0x01, /* SOUND_MIXER_MIC */
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0x07, /* SOUND_MIXER_CD */
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0x00, /* SOUND_MIXER_IMIX */
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0x00, /* SOUND_MIXER_ALTPCM */
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0x00, /* SOUND_MIXER_RECLEV */
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0x00, /* SOUND_MIXER_IGAIN */
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0x00, /* SOUND_MIXER_OGAIN */
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0x00, /* SOUND_MIXER_LINE1 */
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0x00, /* SOUND_MIXER_LINE2 */
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0x00 /* SOUND_MIXER_LINE3 */
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};
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static int sbmixnum = 1;
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static void sb_mixer_reset(sb_devc * devc);
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void sb_mixer_set_stereo(sb_devc * devc, int mode)
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{
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sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC));
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}
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static int detect_mixer(sb_devc * devc)
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{
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/* Just trust the mixer is there */
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return 1;
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}
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static void oss_change_bits(sb_devc *devc, unsigned char *regval, int dev, int chn, int newval)
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{
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unsigned char mask;
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int shift;
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mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1;
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newval = (int) ((newval * mask) + 50) / 100; /* Scale */
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shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1;
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*regval &= ~(mask << shift); /* Mask out previous value */
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*regval |= (newval & mask) << shift; /* Set the new value */
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}
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static int sb_mixer_get(sb_devc * devc, int dev)
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{
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if (!((1 << dev) & devc->supported_devices))
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return -EINVAL;
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return devc->levels[dev];
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}
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void smw_mixer_init(sb_devc * devc)
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{
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int i;
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sb_setmixer(devc, 0x00, 0x18); /* Mute unused (Telephone) line */
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sb_setmixer(devc, 0x10, 0x38); /* Config register 2 */
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devc->supported_devices = 0;
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for (i = 0; i < sizeof(smw_mix_regs); i++)
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if (smw_mix_regs[i] != 0)
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devc->supported_devices |= (1 << i);
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devc->supported_rec_devices = devc->supported_devices &
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~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME);
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sb_mixer_reset(devc);
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}
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int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right)
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{
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int regoffs;
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unsigned char val;
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if ((dev < 0) || (dev >= devc->iomap_sz))
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return -EINVAL;
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regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
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if (regoffs == 0)
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return -EINVAL;
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val = sb_getmixer(devc, regoffs);
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oss_change_bits(devc, &val, dev, LEFT_CHN, left);
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if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs) /*
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* Change register
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*/
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{
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sb_setmixer(devc, regoffs, val); /*
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* Save the old one
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*/
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regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
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if (regoffs == 0)
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return left | (left << 8); /*
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* Just left channel present
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*/
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val = sb_getmixer(devc, regoffs); /*
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* Read the new one
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*/
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}
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oss_change_bits(devc, &val, dev, RIGHT_CHN, right);
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sb_setmixer(devc, regoffs, val);
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return left | (right << 8);
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}
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static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
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{
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int reg, val;
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switch (dev)
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{
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case SOUND_MIXER_VOLUME:
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sb_setmixer(devc, 0x0b, 96 - (96 * left / 100)); /* 96=mute, 0=max */
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sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
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break;
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case SOUND_MIXER_BASS:
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case SOUND_MIXER_TREBLE:
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devc->levels[dev] = left | (right << 8);
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/* Set left bass and treble values */
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val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
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val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
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sb_setmixer(devc, 0x0d, val);
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/* Set right bass and treble values */
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val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
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val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
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sb_setmixer(devc, 0x0e, val);
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break;
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default:
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/* bounds check */
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if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs))
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return -EINVAL;
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reg = smw_mix_regs[dev];
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if (reg == 0)
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return -EINVAL;
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sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20); /* 24=mute, 0=max */
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sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
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}
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devc->levels[dev] = left | (right << 8);
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return left | (right << 8);
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}
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static int sb_mixer_set(sb_devc * devc, int dev, int value)
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{
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int left = value & 0x000000ff;
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int right = (value & 0x0000ff00) >> 8;
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int retval;
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if (left > 100)
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left = 100;
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if (right > 100)
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right = 100;
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if ((dev < 0) || (dev > 31))
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return -EINVAL;
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if (!(devc->supported_devices & (1 << dev))) /*
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* Not supported
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*/
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return -EINVAL;
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/* Differentiate depending on the chipsets */
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switch (devc->model) {
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case MDL_SMW:
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retval = smw_mixer_set(devc, dev, left, right);
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break;
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case MDL_ESS:
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retval = ess_mixer_set(devc, dev, left, right);
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break;
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default:
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retval = sb_common_mixer_set(devc, dev, left, right);
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}
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if (retval >= 0) devc->levels[dev] = retval;
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return retval;
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}
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/*
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* set_recsrc doesn't apply to ES188x
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*/
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static void set_recsrc(sb_devc * devc, int src)
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{
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sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
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}
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static int set_recmask(sb_devc * devc, int mask)
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{
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int devmask, i;
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unsigned char regimageL, regimageR;
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devmask = mask & devc->supported_rec_devices;
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switch (devc->model)
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{
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case MDL_SBPRO:
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case MDL_ESS:
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case MDL_JAZZ:
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case MDL_SMW:
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if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
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break;
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};
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if (devmask != SOUND_MASK_MIC &&
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devmask != SOUND_MASK_LINE &&
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devmask != SOUND_MASK_CD)
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{
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/*
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* More than one device selected. Drop the
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* previous selection
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*/
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devmask &= ~devc->recmask;
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}
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if (devmask != SOUND_MASK_MIC &&
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devmask != SOUND_MASK_LINE &&
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devmask != SOUND_MASK_CD)
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{
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/*
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* More than one device selected. Default to
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* mic
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*/
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devmask = SOUND_MASK_MIC;
|
|
}
|
|
if (devmask ^ devc->recmask) /*
|
|
* Input source changed
|
|
*/
|
|
{
|
|
switch (devmask)
|
|
{
|
|
case SOUND_MASK_MIC:
|
|
set_recsrc(devc, SRC__MIC);
|
|
break;
|
|
|
|
case SOUND_MASK_LINE:
|
|
set_recsrc(devc, SRC__LINE);
|
|
break;
|
|
|
|
case SOUND_MASK_CD:
|
|
set_recsrc(devc, SRC__CD);
|
|
break;
|
|
|
|
default:
|
|
set_recsrc(devc, SRC__MIC);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MDL_SB16:
|
|
if (!devmask)
|
|
devmask = SOUND_MASK_MIC;
|
|
|
|
if (devc->submodel == SUBMDL_ALS007)
|
|
{
|
|
switch (devmask)
|
|
{
|
|
case SOUND_MASK_LINE:
|
|
sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
|
|
break;
|
|
case SOUND_MASK_CD:
|
|
sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
|
|
break;
|
|
case SOUND_MASK_SYNTH:
|
|
sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
|
|
break;
|
|
default: /* Also takes care of SOUND_MASK_MIC case */
|
|
sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
regimageL = regimageR = 0;
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
|
|
{
|
|
if ((1 << i) & devmask)
|
|
{
|
|
regimageL |= sb16_recmasks_L[i];
|
|
regimageR |= sb16_recmasks_R[i];
|
|
}
|
|
sb_setmixer (devc, SB16_IMASK_L, regimageL);
|
|
sb_setmixer (devc, SB16_IMASK_R, regimageR);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
devc->recmask = devmask;
|
|
return devc->recmask;
|
|
}
|
|
|
|
static int set_outmask(sb_devc * devc, int mask)
|
|
{
|
|
int devmask, i;
|
|
unsigned char regimage;
|
|
|
|
devmask = mask & devc->supported_out_devices;
|
|
|
|
switch (devc->model)
|
|
{
|
|
case MDL_SB16:
|
|
if (devc->submodel == SUBMDL_ALS007)
|
|
break;
|
|
else
|
|
{
|
|
regimage = 0;
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
|
|
{
|
|
if ((1 << i) & devmask)
|
|
{
|
|
regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
|
|
}
|
|
sb_setmixer (devc, SB16_OMASK, regimage);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
devc->outmask = devmask;
|
|
return devc->outmask;
|
|
}
|
|
|
|
static int sb_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
|
|
{
|
|
sb_devc *devc = mixer_devs[dev]->devc;
|
|
int val, ret;
|
|
int __user *p = arg;
|
|
|
|
/*
|
|
* Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
|
|
* Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
|
|
* or mode==2 put 3DSE state to mode.
|
|
*/
|
|
if (devc->model == MDL_SB16) {
|
|
if (cmd == SOUND_MIXER_AGC)
|
|
{
|
|
if (get_user(val, p))
|
|
return -EFAULT;
|
|
sb_setmixer(devc, 0x43, (~val) & 0x01);
|
|
return 0;
|
|
}
|
|
if (cmd == SOUND_MIXER_3DSE)
|
|
{
|
|
/* I put here 15, but I don't know the exact version.
|
|
At least my 4.13 havn't 3DSE, 4.16 has it. */
|
|
if (devc->minor < 15)
|
|
return -EINVAL;
|
|
if (get_user(val, p))
|
|
return -EFAULT;
|
|
if (val == 0 || val == 1)
|
|
sb_chgmixer(devc, AWE_3DSE, 0x01, val);
|
|
else if (val == 2)
|
|
{
|
|
ret = sb_getmixer(devc, AWE_3DSE)&0x01;
|
|
return put_user(ret, p);
|
|
}
|
|
else
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
}
|
|
if (((cmd >> 8) & 0xff) == 'M')
|
|
{
|
|
if (_SIOC_DIR(cmd) & _SIOC_WRITE)
|
|
{
|
|
if (get_user(val, p))
|
|
return -EFAULT;
|
|
switch (cmd & 0xff)
|
|
{
|
|
case SOUND_MIXER_RECSRC:
|
|
ret = set_recmask(devc, val);
|
|
break;
|
|
|
|
case SOUND_MIXER_OUTSRC:
|
|
ret = set_outmask(devc, val);
|
|
break;
|
|
|
|
default:
|
|
ret = sb_mixer_set(devc, cmd & 0xff, val);
|
|
}
|
|
}
|
|
else switch (cmd & 0xff)
|
|
{
|
|
case SOUND_MIXER_RECSRC:
|
|
ret = devc->recmask;
|
|
break;
|
|
|
|
case SOUND_MIXER_OUTSRC:
|
|
ret = devc->outmask;
|
|
break;
|
|
|
|
case SOUND_MIXER_DEVMASK:
|
|
ret = devc->supported_devices;
|
|
break;
|
|
|
|
case SOUND_MIXER_STEREODEVS:
|
|
ret = devc->supported_devices;
|
|
/* The ESS seems to have stereo mic controls */
|
|
if (devc->model == MDL_ESS)
|
|
ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
|
|
else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
|
|
ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
|
|
break;
|
|
|
|
case SOUND_MIXER_RECMASK:
|
|
ret = devc->supported_rec_devices;
|
|
break;
|
|
|
|
case SOUND_MIXER_OUTMASK:
|
|
ret = devc->supported_out_devices;
|
|
break;
|
|
|
|
case SOUND_MIXER_CAPS:
|
|
ret = devc->mixer_caps;
|
|
break;
|
|
|
|
default:
|
|
ret = sb_mixer_get(devc, cmd & 0xff);
|
|
break;
|
|
}
|
|
return put_user(ret, p);
|
|
} else
|
|
return -EINVAL;
|
|
}
|
|
|
|
static struct mixer_operations sb_mixer_operations =
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.id = "SB",
|
|
.name = "Sound Blaster",
|
|
.ioctl = sb_mixer_ioctl
|
|
};
|
|
|
|
static struct mixer_operations als007_mixer_operations =
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.id = "ALS007",
|
|
.name = "Avance ALS-007",
|
|
.ioctl = sb_mixer_ioctl
|
|
};
|
|
|
|
static void sb_mixer_reset(sb_devc * devc)
|
|
{
|
|
char name[32];
|
|
int i;
|
|
|
|
sprintf(name, "SB_%d", devc->sbmixnum);
|
|
|
|
if (devc->sbmo.sm_games)
|
|
devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
|
|
else
|
|
devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
|
|
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
|
|
sb_mixer_set(devc, i, devc->levels[i]);
|
|
|
|
if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
|
|
set_recmask(devc, SOUND_MASK_MIC);
|
|
};
|
|
}
|
|
|
|
int sb_mixer_init(sb_devc * devc, struct module *owner)
|
|
{
|
|
int mixer_type = 0;
|
|
int m;
|
|
|
|
devc->sbmixnum = sbmixnum++;
|
|
devc->levels = NULL;
|
|
|
|
sb_setmixer(devc, 0x00, 0); /* Reset mixer */
|
|
|
|
if (!(mixer_type = detect_mixer(devc)))
|
|
return 0; /* No mixer. Why? */
|
|
|
|
switch (devc->model)
|
|
{
|
|
case MDL_ESSPCI:
|
|
case MDL_YMPCI:
|
|
case MDL_SBPRO:
|
|
case MDL_AZTECH:
|
|
case MDL_JAZZ:
|
|
devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
|
|
devc->supported_devices = SBPRO_MIXER_DEVICES;
|
|
devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
|
|
devc->iomap = &sbpro_mix;
|
|
devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
|
|
break;
|
|
|
|
case MDL_ESS:
|
|
ess_mixer_init (devc);
|
|
break;
|
|
|
|
case MDL_SMW:
|
|
devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
|
|
devc->supported_devices = 0;
|
|
devc->supported_rec_devices = 0;
|
|
devc->iomap = &sbpro_mix;
|
|
devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
|
|
smw_mixer_init(devc);
|
|
break;
|
|
|
|
case MDL_SB16:
|
|
devc->mixer_caps = 0;
|
|
devc->supported_rec_devices = SB16_RECORDING_DEVICES;
|
|
devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
|
|
if (devc->submodel != SUBMDL_ALS007)
|
|
{
|
|
devc->supported_devices = SB16_MIXER_DEVICES;
|
|
devc->iomap = &sb16_mix;
|
|
devc->iomap_sz = ARRAY_SIZE(sb16_mix);
|
|
}
|
|
else
|
|
{
|
|
devc->supported_devices = ALS007_MIXER_DEVICES;
|
|
devc->iomap = &als007_mix;
|
|
devc->iomap_sz = ARRAY_SIZE(als007_mix);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
|
|
return 0;
|
|
}
|
|
|
|
m = sound_alloc_mixerdev();
|
|
if (m == -1)
|
|
return 0;
|
|
|
|
mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
|
|
if (mixer_devs[m] == NULL)
|
|
{
|
|
printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
|
|
sound_unload_mixerdev(m);
|
|
return 0;
|
|
}
|
|
|
|
if (devc->submodel != SUBMDL_ALS007)
|
|
memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
|
|
else
|
|
memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
|
|
|
|
mixer_devs[m]->devc = devc;
|
|
|
|
if (owner)
|
|
mixer_devs[m]->owner = owner;
|
|
|
|
devc->my_mixerdev = m;
|
|
sb_mixer_reset(devc);
|
|
return 1;
|
|
}
|
|
|
|
void sb_mixer_unload(sb_devc *devc)
|
|
{
|
|
if (devc->my_mixerdev == -1)
|
|
return;
|
|
|
|
kfree(mixer_devs[devc->my_mixerdev]);
|
|
sound_unload_mixerdev(devc->my_mixerdev);
|
|
sbmixnum--;
|
|
}
|