diff options
Diffstat (limited to 'sound/oss/ad1848_mixer.h')
| -rw-r--r-- | sound/oss/ad1848_mixer.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/sound/oss/ad1848_mixer.h b/sound/oss/ad1848_mixer.h new file mode 100644 index 000000000..2cf719b5f --- /dev/null +++ b/sound/oss/ad1848_mixer.h @@ -0,0 +1,253 @@ +/* + * sound/oss/ad1848_mixer.h + * + * Definitions for the mixer of AD1848 and compatible codecs. + */ + +/* + * 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. + */ + + +/* + * The AD1848 codec has generic input lines called Line, Aux1 and Aux2. + * Sound card manufacturers have connected actual inputs (CD, synth, line, + * etc) to these inputs in different order. Therefore it's difficult + * to assign mixer channels 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 MODE1_REC_DEVICES (SOUND_MASK_LINE3 | SOUND_MASK_MIC | \ + SOUND_MASK_LINE1 | SOUND_MASK_IMIX) + +#define SPRO_REC_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \ + SOUND_MASK_CD | SOUND_MASK_LINE1) + +#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) + +#define MODE3_MIXER_DEVICES (MODE2_MIXER_DEVICES | SOUND_MASK_VOLUME) + +/* OPTi 82C930 has no IMIX level control, but it can still be selected as an + * input + */ +#define C930_MIXER_DEVICES (SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | \ + SOUND_MASK_MIC | SOUND_MASK_VOLUME | \ + SOUND_MASK_LINE3 | \ + SOUND_MASK_IGAIN | SOUND_MASK_PCM) + +#define SPRO_MIXER_DEVICES (SOUND_MASK_VOLUME | SOUND_MASK_PCM | \ + SOUND_MASK_LINE | SOUND_MASK_SYNTH | \ + SOUND_MASK_CD | SOUND_MASK_MIC | \ + SOUND_MASK_SPEAKER | SOUND_MASK_LINE1 | \ + SOUND_MASK_OGAIN) + +struct mixer_def { + unsigned int regno:6; /* register number for volume */ + unsigned int polarity:1; /* volume polarity: 0=normal, 1=reversed */ + unsigned int bitpos:3; /* position of bits in register for volume */ + unsigned int nbits:3; /* number of bits in register for volume */ + unsigned int mutereg:6; /* register number for mute bit */ + unsigned int mutepol:1; /* mute polarity: 0=normal, 1=reversed */ + unsigned int mutepos:4; /* position of mute bit in register */ + unsigned int recreg:6; /* register number for recording bit */ + unsigned int recpol:1; /* recording polarity: 0=normal, 1=reversed */ + unsigned int recpos:4; /* position of recording bit in register */ +}; + +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; +typedef mixer_ent mixer_ents[2]; + +/* + * Most of the mixer entries work in backwards. Setting the polarity field + * makes them to work correctly. + * + * The channel numbering used by individual sound cards 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, mute_bit) \ + [name] = {{reg_l, pola_l, pos_l, len_l, reg_l, 0, mute_bit, 0, 0, 8}, \ + {reg_r, pola_r, pos_r, len_r, reg_r, 0, mute_bit, 0, 0, 8}} + +#define MIX_ENT2(name, reg_l, pola_l, pos_l, len_l, mute_reg_l, mute_pola_l, mute_pos_l, \ + rec_reg_l, rec_pola_l, rec_pos_l, \ + reg_r, pola_r, pos_r, len_r, mute_reg_r, mute_pola_r, mute_pos_r, \ + rec_reg_r, rec_pola_r, rec_pos_r) \ + [name] = {{reg_l, pola_l, pos_l, len_l, mute_reg_l, mute_pola_l, mute_pos_l, \ + rec_reg_l, rec_pola_l, rec_pos_l}, \ + {reg_r, pola_r, pos_r, len_r, mute_reg_r, mute_pola_r, mute_pos_r, \ + rec_reg_r, rec_pola_r, rec_pos_r}} + +static mixer_ents ad1848_mix_devices[32] = { + MIX_ENT(SOUND_MIXER_VOLUME, 27, 1, 0, 4, 29, 1, 0, 4, 8), + MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7), + MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8), + MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_IMIX, 13, 1, 2, 6, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8), + MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 0, 5, 19, 1, 0, 5, 7) +}; + +static mixer_ents iwave_mix_devices[32] = { + MIX_ENT(SOUND_MIXER_VOLUME, 25, 1, 0, 5, 27, 1, 0, 5, 8), + MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7), + MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8), + MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_IMIX, 16, 1, 0, 5, 17, 1, 0, 5, 8), + MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8), + MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 0, 5, 19, 1, 0, 5, 7) +}; + +static mixer_ents cs42xb_mix_devices[32] = { + /* Digital master volume actually has seven bits, but we only use + six to avoid the discontinuity when the analog gain kicks in. */ + MIX_ENT(SOUND_MIXER_VOLUME, 46, 1, 0, 6, 47, 1, 0, 6, 7), + MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7), + MIX_ENT(SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_MIC, 34, 1, 0, 5, 35, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7), + /* For the IMIX entry, it was not possible to use the MIX_ENT macro + because the mute bit is in different positions for the two + channels and requires reverse polarity. */ + [SOUND_MIXER_IMIX] = {{13, 1, 2, 6, 13, 1, 0, 0, 0, 8}, + {42, 1, 0, 6, 42, 1, 7, 0, 0, 8}}, + MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8), + MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_LINE3, 38, 1, 0, 6, 39, 1, 0, 6, 7) +}; + +/* OPTi 82C930 has somewhat different port addresses. + * Note: VOLUME == SPEAKER, SYNTH == LINE2, LINE == LINE3, CD == LINE1 + * VOLUME, SYNTH, LINE, CD are not enabled above. + * MIC is level of mic monitoring direct to output. Same for CD, LINE, etc. + */ +static mixer_ents c930_mix_devices[32] = { + MIX_ENT(SOUND_MIXER_VOLUME, 22, 1, 1, 5, 23, 1, 1, 5, 7), + MIX_ENT(SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_SYNTH, 4, 1, 1, 4, 5, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_PCM, 6, 1, 0, 5, 7, 1, 0, 5, 7), + MIX_ENT(SOUND_MIXER_SPEAKER, 22, 1, 1, 5, 23, 1, 1, 5, 7), + MIX_ENT(SOUND_MIXER_LINE, 18, 1, 1, 4, 19, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_MIC, 20, 1, 1, 4, 21, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_CD, 2, 1, 1, 4, 3, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_IMIX, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8), + MIX_ENT(SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT(SOUND_MIXER_LINE1, 2, 1, 1, 4, 3, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_LINE2, 4, 1, 1, 4, 5, 1, 1, 4, 7), + MIX_ENT(SOUND_MIXER_LINE3, 18, 1, 1, 4, 19, 1, 1, 4, 7) +}; + +static mixer_ents spro_mix_devices[32] = { + MIX_ENT (SOUND_MIXER_VOLUME, 19, 0, 4, 4, 19, 0, 0, 4, 8), + MIX_ENT (SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT (SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT2(SOUND_MIXER_SYNTH, 4, 1, 1, 4, 23, 0, 3, 0, 0, 8, + 5, 1, 1, 4, 23, 0, 3, 0, 0, 8), + MIX_ENT (SOUND_MIXER_PCM, 6, 1, 1, 4, 7, 1, 1, 4, 8), + MIX_ENT (SOUND_MIXER_SPEAKER, 18, 0, 3, 2, 0, 0, 0, 0, 8), + MIX_ENT2(SOUND_MIXER_LINE, 20, 0, 4, 4, 17, 1, 4, 16, 0, 2, + 20, 0, 0, 4, 17, 1, 3, 16, 0, 1), + MIX_ENT2(SOUND_MIXER_MIC, 18, 0, 0, 3, 17, 1, 0, 16, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), + MIX_ENT2(SOUND_MIXER_CD, 21, 0, 4, 4, 17, 1, 2, 16, 0, 4, + 21, 0, 0, 4, 17, 1, 1, 16, 0, 3), + MIX_ENT (SOUND_MIXER_IMIX, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT (SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT (SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT (SOUND_MIXER_IGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8), + MIX_ENT (SOUND_MIXER_OGAIN, 17, 1, 6, 1, 0, 0, 0, 0, 8), + /* This is external wavetable */ + MIX_ENT2(SOUND_MIXER_LINE1, 22, 0, 4, 4, 23, 1, 1, 23, 0, 4, + 22, 0, 0, 4, 23, 1, 0, 23, 0, 5), +}; + +static int default_mixer_levels[32] = +{ + 0x3232, /* Master Volume */ + 0x3232, /* Bass */ + 0x3232, /* Treble */ + 0x4b4b, /* FM */ + 0x3232, /* PCM */ + 0x1515, /* PC Speaker */ + 0x2020, /* Ext Line */ + 0x1010, /* Mic */ + 0x4b4b, /* CD */ + 0x0000, /* Recording monitor */ + 0x4b4b, /* Second PCM */ + 0x4b4b, /* Recording level */ + 0x4b4b, /* Input gain */ + 0x4b4b, /* Output gain */ + 0x2020, /* Line1 */ + 0x2020, /* Line2 */ + 0x1515 /* Line3 (usually line in)*/ +}; + +#define LEFT_CHN 0 +#define RIGHT_CHN 1 + +/* + * Channel enable bits for ioctl(SOUND_MIXER_PRIVATE1) + */ + +#ifndef AUDIO_SPEAKER +#define AUDIO_SPEAKER 0x01 /* Enable mono output */ +#define AUDIO_HEADPHONE 0x02 /* Sparc only */ +#define AUDIO_LINE_OUT 0x04 /* Sparc only */ +#endif |