254 lines
11 KiB
C
254 lines
11 KiB
C
/*
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* sound/oss/ad1848_mixer.h
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*
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* Definitions for the mixer of AD1848 and compatible codecs.
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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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* The AD1848 codec has generic input lines called Line, Aux1 and Aux2.
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* Sound card manufacturers have connected actual inputs (CD, synth, line,
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* etc) to these inputs in different order. Therefore it's difficult
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* to assign mixer channels to these inputs correctly. The following
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* contains two alternative mappings. The first one is for GUS MAX and
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* the second is just a generic one (line1, line2 and line3).
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* (Actually this is not a mapping but rather some kind of interleaving
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* solution).
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*/
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#define MODE1_REC_DEVICES (SOUND_MASK_LINE3 | SOUND_MASK_MIC | \
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SOUND_MASK_LINE1 | SOUND_MASK_IMIX)
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#define SPRO_REC_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \
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SOUND_MASK_CD | SOUND_MASK_LINE1)
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#define MODE1_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_MIC | \
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SOUND_MASK_LINE2 | \
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SOUND_MASK_IGAIN | \
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SOUND_MASK_PCM | SOUND_MASK_IMIX)
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#define MODE2_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | \
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SOUND_MASK_MIC | \
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SOUND_MASK_LINE3 | SOUND_MASK_SPEAKER | \
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SOUND_MASK_IGAIN | \
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SOUND_MASK_PCM | SOUND_MASK_IMIX)
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#define MODE3_MIXER_DEVICES (MODE2_MIXER_DEVICES | SOUND_MASK_VOLUME)
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/* OPTi 82C930 has no IMIX level control, but it can still be selected as an
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* input
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*/
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#define C930_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | \
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SOUND_MASK_MIC | SOUND_MASK_VOLUME | \
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SOUND_MASK_LINE3 | \
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SOUND_MASK_IGAIN | SOUND_MASK_PCM)
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#define SPRO_MIXER_DEVICES (SOUND_MASK_VOLUME | SOUND_MASK_PCM | \
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SOUND_MASK_LINE | SOUND_MASK_SYNTH | \
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SOUND_MASK_CD | SOUND_MASK_MIC | \
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SOUND_MASK_SPEAKER | SOUND_MASK_LINE1 | \
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SOUND_MASK_OGAIN)
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struct mixer_def {
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unsigned int regno:6; /* register number for volume */
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unsigned int polarity:1; /* volume polarity: 0=normal, 1=reversed */
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unsigned int bitpos:3; /* position of bits in register for volume */
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unsigned int nbits:3; /* number of bits in register for volume */
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unsigned int mutereg:6; /* register number for mute bit */
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unsigned int mutepol:1; /* mute polarity: 0=normal, 1=reversed */
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unsigned int mutepos:4; /* position of mute bit in register */
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unsigned int recreg:6; /* register number for recording bit */
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unsigned int recpol:1; /* recording polarity: 0=normal, 1=reversed */
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unsigned int recpos:4; /* position of recording bit in register */
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};
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static char mix_cvt[101] = {
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0, 0, 3, 7,10,13,16,19,21,23,26,28,30,32,34,35,37,39,40,42,
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43,45,46,47,49,50,51,52,53,55,56,57,58,59,60,61,62,63,64,65,
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65,66,67,68,69,70,70,71,72,73,73,74,75,75,76,77,77,78,79,79,
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80,81,81,82,82,83,84,84,85,85,86,86,87,87,88,88,89,89,90,90,
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91,91,92,92,93,93,94,94,95,95,96,96,96,97,97,98,98,98,99,99,
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100
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};
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typedef struct mixer_def mixer_ent;
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typedef mixer_ent mixer_ents[2];
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/*
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* Most of the mixer entries work in backwards. Setting the polarity field
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* makes them to work correctly.
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*
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* The channel numbering used by individual sound cards is not fixed. Some
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* cards have assigned different meanings for the AUX1, AUX2 and LINE inputs.
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* The current version doesn't try to compensate this.
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*/
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#define MIX_ENT(name, reg_l, pola_l, pos_l, len_l, reg_r, pola_r, pos_r, len_r, mute_bit) \
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[name] = {{reg_l, pola_l, pos_l, len_l, reg_l, 0, mute_bit, 0, 0, 8}, \
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{reg_r, pola_r, pos_r, len_r, reg_r, 0, mute_bit, 0, 0, 8}}
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#define MIX_ENT2(name, reg_l, pola_l, pos_l, len_l, mute_reg_l, mute_pola_l, mute_pos_l, \
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rec_reg_l, rec_pola_l, rec_pos_l, \
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reg_r, pola_r, pos_r, len_r, mute_reg_r, mute_pola_r, mute_pos_r, \
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rec_reg_r, rec_pola_r, rec_pos_r) \
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[name] = {{reg_l, pola_l, pos_l, len_l, mute_reg_l, mute_pola_l, mute_pos_l, \
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rec_reg_l, rec_pola_l, rec_pos_l}, \
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{reg_r, pola_r, pos_r, len_r, mute_reg_r, mute_pola_r, mute_pos_r, \
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rec_reg_r, rec_pola_r, rec_pos_r}}
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static mixer_ents ad1848_mix_devices[32] = {
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MIX_ENT(SOUND_MIXER_VOLUME, 27, 1, 0, 4, 29, 1, 0, 4, 8),
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MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7),
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MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8),
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MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_IMIX, 13, 1, 2, 6, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
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MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 0, 5, 19, 1, 0, 5, 7)
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};
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static mixer_ents iwave_mix_devices[32] = {
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MIX_ENT(SOUND_MIXER_VOLUME, 25, 1, 0, 5, 27, 1, 0, 5, 8),
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MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7),
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MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8),
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MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_IMIX, 16, 1, 0, 5, 17, 1, 0, 5, 8),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
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MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 0, 5, 19, 1, 0, 5, 7)
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};
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static mixer_ents cs42xb_mix_devices[32] = {
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/* Digital master volume actually has seven bits, but we only use
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six to avoid the discontinuity when the analog gain kicks in. */
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MIX_ENT(SOUND_MIXER_VOLUME, 46, 1, 0, 6, 47, 1, 0, 6, 7),
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MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7),
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MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_MIC, 34, 1, 0, 5, 35, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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/* For the IMIX entry, it was not possible to use the MIX_ENT macro
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because the mute bit is in different positions for the two
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channels and requires reverse polarity. */
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[SOUND_MIXER_IMIX] = {{13, 1, 2, 6, 13, 1, 0, 0, 0, 8},
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{42, 1, 0, 6, 42, 1, 7, 0, 0, 8}},
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MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
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MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE3, 38, 1, 0, 6, 39, 1, 0, 6, 7)
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};
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/* OPTi 82C930 has somewhat different port addresses.
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* Note: VOLUME == SPEAKER, SYNTH == LINE2, LINE == LINE3, CD == LINE1
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* VOLUME, SYNTH, LINE, CD are not enabled above.
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* MIC is level of mic monitoring direct to output. Same for CD, LINE, etc.
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*/
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static mixer_ents c930_mix_devices[32] = {
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MIX_ENT(SOUND_MIXER_VOLUME, 22, 1, 1, 5, 23, 1, 1, 5, 7),
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MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 1, 4, 5, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 5, 7, 1, 0, 5, 7),
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MIX_ENT(SOUND_MIXER_SPEAKER, 22, 1, 1, 5, 23, 1, 1, 5, 7),
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MIX_ENT(SOUND_MIXER_LINE, 18, 1, 1, 4, 19, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_MIC, 20, 1, 1, 4, 21, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_CD, 2, 1, 1, 4, 3, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_IMIX, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
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MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 1, 4, 3, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 1, 4, 5, 1, 1, 4, 7),
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MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 1, 4, 19, 1, 1, 4, 7)
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};
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static mixer_ents spro_mix_devices[32] = {
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MIX_ENT (SOUND_MIXER_VOLUME, 19, 0, 4, 4, 19, 0, 0, 4, 8),
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MIX_ENT (SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT2(SOUND_MIXER_SYNTH, 4, 1, 1, 4, 23, 0, 3, 0, 0, 8,
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5, 1, 1, 4, 23, 0, 3, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_PCM, 6, 1, 1, 4, 7, 1, 1, 4, 8),
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MIX_ENT (SOUND_MIXER_SPEAKER, 18, 0, 3, 2, 0, 0, 0, 0, 8),
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MIX_ENT2(SOUND_MIXER_LINE, 20, 0, 4, 4, 17, 1, 4, 16, 0, 2,
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20, 0, 0, 4, 17, 1, 3, 16, 0, 1),
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MIX_ENT2(SOUND_MIXER_MIC, 18, 0, 0, 3, 17, 1, 0, 16, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
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MIX_ENT2(SOUND_MIXER_CD, 21, 0, 4, 4, 17, 1, 2, 16, 0, 4,
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21, 0, 0, 4, 17, 1, 1, 16, 0, 3),
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MIX_ENT (SOUND_MIXER_IMIX, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_IGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
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MIX_ENT (SOUND_MIXER_OGAIN, 17, 1, 6, 1, 0, 0, 0, 0, 8),
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/* This is external wavetable */
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MIX_ENT2(SOUND_MIXER_LINE1, 22, 0, 4, 4, 23, 1, 1, 23, 0, 4,
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22, 0, 0, 4, 23, 1, 0, 23, 0, 5),
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};
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static int default_mixer_levels[32] =
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{
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0x3232, /* Master Volume */
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0x3232, /* Bass */
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0x3232, /* Treble */
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0x4b4b, /* FM */
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0x3232, /* PCM */
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0x1515, /* PC Speaker */
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0x2020, /* 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, /* Second 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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0x2020, /* Line1 */
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0x2020, /* Line2 */
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0x1515 /* Line3 (usually line in)*/
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};
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#define LEFT_CHN 0
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#define RIGHT_CHN 1
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/*
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* Channel enable bits for ioctl(SOUND_MIXER_PRIVATE1)
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*/
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#ifndef AUDIO_SPEAKER
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#define AUDIO_SPEAKER 0x01 /* Enable mono output */
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#define AUDIO_HEADPHONE 0x02 /* Sparc only */
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#define AUDIO_LINE_OUT 0x04 /* Sparc only */
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#endif
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