257 lines
8.1 KiB
C
257 lines
8.1 KiB
C
/*
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* sound/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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* Copyright by Hannu Savolainen 1993
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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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*/
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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_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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/*
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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_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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struct mixer_def {
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unsigned int regno: 8;
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unsigned int bitoffs:4;
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unsigned int nbits:4;
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};
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typedef struct mixer_def mixer_tab[32][2];
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typedef struct mixer_def mixer_ent;
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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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#ifdef __SB_MIXER_C__
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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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#ifdef __SGNXPRO__
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static mixer_tab sgnxpro_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, 0x46, 2, 3, 0x00, 0, 0),
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MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 2, 3, 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, 0x42, 2, 3, 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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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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#endif
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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, 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, 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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#ifdef 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 unsigned short levels[SOUND_MIXER_NRDEVICES] =
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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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#else /* If the user selected just plain SB Pro */
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static unsigned short levels[SOUND_MIXER_NRDEVICES] =
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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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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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#endif /* SM_GAMES */
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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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/*
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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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#endif
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