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Diffstat (limited to 'sys/i386/isa/sound/ad1848_mixer.h')
| -rw-r--r-- | sys/i386/isa/sound/ad1848_mixer.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/i386/isa/sound/ad1848_mixer.h b/sys/i386/isa/sound/ad1848_mixer.h new file mode 100644 index 0000000..7a1d323 --- /dev/null +++ b/sys/i386/isa/sound/ad1848_mixer.h @@ -0,0 +1,142 @@ +/* + * sound/ad1848_mixer.h + * + * Definitions for the mixer of AD1848 and compatible codecs. + * + * Copyright by Hannu Savolainen 1994 + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. 2. + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +/* + * The AD1848 codec has generic input lines called Line, Aux1 and Aux2. + * Soundcard manufacturers have connected actual inputs (CD, synth, line, + * etc) to these inputs in different order. Therefore it's difficult + * to assign mixer channels to to these inputs correctly. The following + * contains two alternative mappings. The first one is for GUS MAX and + * the second is just a generic one (line1, line2 and line3). + * (Actually this is not a mapping but rather some kind of interleaving + * solution). + */ +#define GUSMAX_MIXER +#ifdef GUSMAX_MIXER +#define MODE1_REC_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \ + SOUND_MASK_CD|SOUND_MASK_IMIX) + +#define MODE1_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_MIC | \ + SOUND_MASK_CD | \ + SOUND_MASK_IGAIN | \ + SOUND_MASK_PCM|SOUND_MASK_IMIX) + +#define MODE2_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \ + SOUND_MASK_CD | SOUND_MASK_SPEAKER | \ + SOUND_MASK_IGAIN | \ + SOUND_MASK_PCM | SOUND_MASK_IMIX) +#else /* Generic mapping */ +#define MODE1_REC_DEVICES (SOUND_MASK_LINE3 | SOUND_MASK_MIC | \ + SOUND_MASK_LINE1|SOUND_MASK_IMIX) + +#define MODE1_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_MIC | \ + SOUND_MASK_LINE2 | \ + SOUND_MASK_IGAIN | \ + SOUND_MASK_PCM | SOUND_MASK_IMIX) + +#define MODE2_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | SOUND_MASK_MIC | \ + SOUND_MASK_LINE3 | SOUND_MASK_SPEAKER | \ + SOUND_MASK_IGAIN | \ + SOUND_MASK_PCM | SOUND_MASK_IMIX) +#endif + +struct mixer_def { + unsigned int regno: 7; + unsigned int polarity:1; /* 0=normal, 1=reversed */ + unsigned int bitpos:4; + unsigned int nbits:4; +}; + +static char mix_cvt[101] = { + 0, 0,3,7,10,13,16,19,21,23,26,28,30,32,34,35,37,39,40,42, + 43,45,46,47,49,50,51,52,53,55,56,57,58,59,60,61,62,63,64,65, + 65,66,67,68,69,70,70,71,72,73,73,74,75,75,76,77,77,78,79,79, + 80,81,81,82,82,83,84,84,85,85,86,86,87,87,88,88,89,89,90,90, + 91,91,92,92,93,93,94,94,95,95,96,96,96,97,97,98,98,98,99,99, + 100 +}; + +typedef struct mixer_def mixer_ent; + +/* + * Most of the mixer entries work in backwards. Setting the polarity field + * makes them to work correctly. + * + * The channel numbering used by individual soundcards is not fixed. Some + * cards have assigned different meanings for the AUX1, AUX2 and LINE inputs. + * The current version doesn't try to compensate this. + */ + +#define MIX_ENT(name, reg_l, pola_l, pos_l, len_l, reg_r, pola_r, pos_r, len_r) \ + {{reg_l, pola_l, pos_l, len_l}, {reg_r, pola_r, pos_r, len_r}} + +mixer_ent mix_devices[32][2] = { /* As used in GUS MAX */ +MIX_ENT(SOUND_MIXER_VOLUME, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5), +MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6), +MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5), +MIX_ENT(SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1), +MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5), +MIX_ENT(SOUND_MIXER_IMIX, 13, 1, 2, 6, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4), +MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0), +MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5), +MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5), +MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 0, 5, 19, 1, 0, 5) +}; + +static unsigned short default_mixer_levels[SOUND_MIXER_NRDEVICES] = +{ + 0x5a5a, /* Master Volume */ + 0x3232, /* Bass */ + 0x3232, /* Treble */ + 0x4b4b, /* FM */ + 0x4040, /* PCM */ + 0x4b4b, /* PC Speaker */ + /* 0x2020, Ext Line */ + 0x0000, /* Ext Line */ + 0x4040, /* Mic */ + 0x4b4b, /* CD */ + 0x0000, /* Recording monitor */ + 0x4b4b, /* SB PCM */ + 0x4b4b, /* Recording level */ + 0x2525, /* Input gain */ + 0x0000, /* Output gain */ + /* 0x4040, Line1 */ + 0x0000, /* Line1 */ + 0x0000, /* Line2 */ + 0x1515, /* Line3 (usually line in)*/ +}; + +#define LEFT_CHN 0 +#define RIGHT_CHN 1 + |
