drivers/sound/sb

/* */
   1 /*
   2  * sound/sb_mixer.h
   3  * 
   4  * Definitions for the SB Pro and SB16 mixers
   5  * 
   6  * Copyright by Hannu Savolainen 1993
   7  * 
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are
  10  * met: 1. Redistributions of source code must retain the above copyright
  11  * notice, this list of conditions and the following disclaimer. 2.
  12  * Redistributions in binary form must reproduce the above copyright notice,
  13  * this list of conditions and the following disclaimer in the documentation
  14  * and/or other materials provided with the distribution.
  15  * 
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  * 
  28  */
  29 #define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
  30 
  31 #define SBPRO_MIXER_DEVICES             (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  32                                          SOUND_MASK_CD | SOUND_MASK_VOLUME)
  33 
  34 #define SB16_RECORDING_DEVICES          (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  35                                          SOUND_MASK_CD)
  36 
  37 #define SB16_MIXER_DEVICES              (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  38                                          SOUND_MASK_CD | SOUND_MASK_RECLEV | \
  39                                          SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE)
  40 
  41 /*
  42  * Mixer registers
  43  * 
  44  * NOTE!        RECORD_SRC == IN_FILTER
  45  */
  46 
  47 /* 
  48  * Mixer registers of SB Pro
  49  */
  50 #define VOC_VOL         0x04
  51 #define MIC_VOL         0x0A
  52 #define MIC_MIX         0x0A
  53 #define RECORD_SRC      0x0C
  54 #define IN_FILTER       0x0C
  55 #define OUT_FILTER      0x0E
  56 #define MASTER_VOL      0x22
  57 #define FM_VOL          0x26
  58 #define CD_VOL          0x28
  59 #define LINE_VOL        0x2E
  60 #define IRQ_NR          0x80
  61 #define DMA_NR          0x81
  62 #define IRQ_STAT        0x82
  63 #define OPSW            0x3c
  64 
  65 #define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
  66 #define FREQ_LOW        0       /* Use Low-frequency ANFI filters */
  67 #define FILT_ON         0       /* Yes, 0 to turn it on, 1 for off */
  68 #define FILT_OFF        (1 << 5)
  69 
  70 #define MONO_DAC        0x00
  71 #define STEREO_DAC      0x02
  72 
  73 /*
  74  * Mixer registers of SB16
  75  */
  76 #define SB16_IMASK_L    0x3d
  77 #define SB16_IMASK_R    0x3e
  78 
  79 #define LEFT_CHN        0
  80 #define RIGHT_CHN       1
  81 
  82 struct mixer_def {
  83         unsigned int regno: 8;
  84         unsigned int bitoffs:4;
  85         unsigned int nbits:4;
  86 };
  87 
  88 
  89 typedef struct mixer_def mixer_tab[32][2];
  90 typedef struct mixer_def mixer_ent;
  91 
  92 #define MIX_ENT(name, reg_l, bit_l, len_l, reg_r, bit_r, len_r) \
  93         {{reg_l, bit_l, len_l}, {reg_r, bit_r, len_r}}
  94 
  95 #ifdef __SB_MIXER_C__
  96 mixer_tab sbpro_mix = {
  97 MIX_ENT(SOUND_MIXER_VOLUME,     0x22, 7, 4, 0x22, 3, 4),
  98 MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
  99 MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 100 MIX_ENT(SOUND_MIXER_SYNTH,      0x26, 7, 4, 0x26, 3, 4),
 101 MIX_ENT(SOUND_MIXER_PCM,        0x04, 7, 4, 0x04, 3, 4),
 102 MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 103 MIX_ENT(SOUND_MIXER_LINE,       0x2e, 7, 4, 0x2e, 3, 4),
 104 MIX_ENT(SOUND_MIXER_MIC,        0x0a, 2, 3, 0x00, 0, 0),
 105 MIX_ENT(SOUND_MIXER_CD,         0x28, 7, 4, 0x28, 3, 4),
 106 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 107 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 108 MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0)
 109 };
 110 
 111 mixer_tab sb16_mix = {
 112 MIX_ENT(SOUND_MIXER_VOLUME,     0x30, 7, 5, 0x31, 7, 5),
 113 MIX_ENT(SOUND_MIXER_BASS,       0x46, 7, 4, 0x47, 7, 4),
 114 MIX_ENT(SOUND_MIXER_TREBLE,     0x44, 7, 4, 0x45, 7, 4),
 115 MIX_ENT(SOUND_MIXER_SYNTH,      0x34, 7, 5, 0x35, 7, 5),
 116 MIX_ENT(SOUND_MIXER_PCM,        0x32, 7, 5, 0x33, 7, 5),
 117 MIX_ENT(SOUND_MIXER_SPEAKER,    0x3b, 7, 2, 0x00, 0, 0),
 118 MIX_ENT(SOUND_MIXER_LINE,       0x38, 7, 5, 0x39, 7, 5),
 119 MIX_ENT(SOUND_MIXER_MIC,        0x3a, 7, 5, 0x00, 0, 0),
 120 MIX_ENT(SOUND_MIXER_CD,         0x36, 7, 5, 0x37, 7, 5),
 121 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 122 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 123 MIX_ENT(SOUND_MIXER_RECLEV,     0x3f, 7, 2, 0x40, 7, 2)
 124 };
 125 
 126 static unsigned short levels[SOUND_MIXER_NRDEVICES] =
 127 {
 128   0x5a5a,                       /* Master Volume */
 129   0x3232,                       /* Bass */
 130   0x3232,                       /* Treble */
 131   0x4b4b,                       /* FM */
 132   0x4b4b,                       /* PCM */
 133   0x4b4b,                       /* PC Speaker */
 134   0x4b4b,                       /* Ext Line */
 135   0x0000,                       /* Mic */
 136   0x4b4b,                       /* CD */
 137   0x4b4b,                       /* Recording monitor */
 138   0x4b4b,                       /* SB PCM */
 139   0x4b4b};                      /* Recording level */
 140 
 141 static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
 142 {
 143         0x00,   /* SOUND_MIXER_VOLUME   */
 144         0x00,   /* SOUND_MIXER_BASS     */
 145         0x00,   /* SOUND_MIXER_TREBLE   */
 146         0x40,   /* SOUND_MIXER_SYNTH    */
 147         0x00,   /* SOUND_MIXER_PCM      */
 148         0x00,   /* SOUND_MIXER_SPEAKER  */
 149         0x10,   /* SOUND_MIXER_LINE     */
 150         0x01,   /* SOUND_MIXER_MIC      */
 151         0x04,   /* SOUND_MIXER_CD       */
 152         0x00,   /* SOUND_MIXER_IMIX     */
 153         0x00,   /* SOUND_MIXER_ALTPCM   */
 154         0x00    /* SOUND_MIXER_RECLEV   */
 155 };
 156 
 157 static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
 158 {
 159         0x00,   /* SOUND_MIXER_VOLUME   */
 160         0x00,   /* SOUND_MIXER_BASS     */
 161         0x00,   /* SOUND_MIXER_TREBLE   */
 162         0x20,   /* SOUND_MIXER_SYNTH    */
 163         0x00,   /* SOUND_MIXER_PCM      */
 164         0x00,   /* SOUND_MIXER_SPEAKER  */
 165         0x08,   /* SOUND_MIXER_LINE     */
 166         0x01,   /* SOUND_MIXER_MIC      */
 167         0x02,   /* SOUND_MIXER_CD       */
 168         0x00,   /* SOUND_MIXER_IMIX     */
 169         0x00,   /* SOUND_MIXER_ALTPCM   */
 170         0x00    /* SOUND_MIXER_RECLEV   */
 171 };
 172 #endif
/* */
root/drivers/sound/sb_mixer.h

INCLUDED FROM
