drivers/sound/sound

/* */
   1 /* sound_config.h
   2  *
   3  * A driver for Soundcards, misc configuration parameters.
   4  */
   5 /*
   6  * Copyright by Hannu Savolainen 1993-1996
   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 
  30 #include "local.h"
  31 #include "os.h"
  32 #include "soundvers.h"
  33 
  34 #if defined(ISC) || defined(SCO) || defined(SVR42)
  35 #define GENERIC_SYSV
  36 #endif
  37 
  38 
  39 
  40 
  41 
  42 
  43 #ifndef SND_DEFAULT_ENABLE
  44 #define SND_DEFAULT_ENABLE      1
  45 #endif
  46 
  47 #ifndef MAX_REALTIME_FACTOR
  48 #define MAX_REALTIME_FACTOR     4
  49 #endif
  50 
  51 /************* PCM DMA buffer sizes *******************/
  52 
  53 /* If you are using high playback or recording speeds, the default buffersize
  54    is too small. DSP_BUFFSIZE must be 64k or less.
  55 
  56    A rule of thumb is 64k for PAS16, 32k for PAS+, 16k for SB Pro and
  57    4k for SB.
  58 
  59    If you change the DSP_BUFFSIZE, don't modify this file.
  60    Use the make config command instead. */
  61 
  62 #ifndef DSP_BUFFSIZE
  63 #define DSP_BUFFSIZE            (4096)
  64 #endif
  65 
  66 #ifndef DSP_BUFFCOUNT
  67 #define DSP_BUFFCOUNT           1       /* 1 is recommended. */
  68 #endif
  69 
  70 #define DMA_AUTOINIT            0x10
  71 
  72 #define FM_MONO         0x388   /* This is the I/O address used by AdLib */
  73 
  74 #ifndef PAS_BASE
  75 #define PAS_BASE        0x388
  76 #endif
  77 
  78 #if defined(SB16_DMA) && !defined(SB_DMA2)
  79 #  define SB_DMA2 SB16_DMA
  80 #endif
  81 
  82 #if defined(SB16MIDI_BASE) && !defined(SB_MPU_BASE)
  83 #   define SB_MPU_BASE SB16MIDI_BASE
  84 #endif
  85 
  86 #ifndef SB_MPU_IRQ
  87 #  define SB_MPU_IRQ SBC_IRQ
  88 #endif
  89 
  90 /* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
  91    driver. (There is no need to alter this) */
  92 #define SEQ_MAX_QUEUE   1024
  93 
  94 #define SBFM_MAXINSTR           (256)   /* Size of the FM Instrument bank */
  95 /* 128 instruments for general MIDI setup and 16 unassigned      */
  96 
  97 /*
  98  * Minor numbers for the sound driver.
  99  *
 100  * Unfortunately Creative called the codec chip of SB as a DSP. For this
 101  * reason the /dev/dsp is reserved for digitized audio use. There is a
 102  * device for true DSP processors but it will be called something else.
 103  * In v3.0 it's /dev/sndproc but this could be a temporary solution.
 104  */
 105 
 106 #define SND_NDEVS       256     /* Number of supported devices */
 107 #define SND_DEV_CTL     0       /* Control port /dev/mixer */
 108 #define SND_DEV_SEQ     1       /* Sequencer output /dev/sequencer (FM
 109                                    synthesizer and MIDI output) */
 110 #define SND_DEV_MIDIN   2       /* Raw midi access */
 111 #define SND_DEV_DSP     3       /* Digitized voice /dev/dsp */
 112 #define SND_DEV_AUDIO   4       /* Sparc compatible /dev/audio */
 113 #define SND_DEV_DSP16   5       /* Like /dev/dsp but 16 bits/sample */
 114 #define SND_DEV_STATUS  6       /* /dev/sndstat */
 115 /* #7 not in use now. Was in 2.4. Free for use after v3.0. */
 116 #define SND_DEV_SEQ2    8       /* /dev/sequencer, level 2 interface */
 117 #define SND_DEV_SNDPROC 9       /* /dev/sndproc for programmable devices */
 118 #define SND_DEV_PSS     SND_DEV_SNDPROC
 119 
 120 #define DSP_DEFAULT_SPEED       8000
 121 
 122 #define ON              1
 123 #define OFF             0
 124 
 125 #define MAX_AUDIO_DEV   5
 126 #define MAX_MIXER_DEV   5
 127 #define MAX_SYNTH_DEV   3
 128 #define MAX_MIDI_DEV    6
 129 #define MAX_TIMER_DEV   3
 130 
 131 struct fileinfo {
 132           int mode;           /* Open mode */
 133           int flags;
 134           int dummy;     /* Reference to file-flags. OS-dependent. */
 135        };
 136 
 137 struct address_info {
 138         int io_base;
 139         int irq;
 140         int dma;
 141         int dma2;
 142         int always_detect;      /* 1=Trust me, it's there */
 143         char *name;
 144         int driver_use_1;       /* Driver defined field 1 */
 145         int driver_use_2;       /* Driver defined field 2 */
 146         int *osp;       /* OS specific info */
 147         int card_subtype;       /* Driver specific. Usually 0 */
 148 };
 149 
 150 #define SYNTH_MAX_VOICES        32
 151 
 152 struct voice_alloc_info {
 153                 int max_voice;
 154                 int used_voices;
 155                 int ptr;                /* For device specific use */
 156                 unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
 157                 int timestamp;
 158                 int alloc_times[SYNTH_MAX_VOICES];
 159         };
 160 
 161 struct channel_info {
 162                 int pgm_num;
 163                 int bender_value;
 164                 unsigned char controllers[128];
 165         };
 166 
 167 /*
 168  * Process wakeup reasons
 169  */
 170 #define WK_NONE         0x00
 171 #define WK_WAKEUP       0x01
 172 #define WK_TIMEOUT      0x02
 173 #define WK_SIGNAL       0x04
 174 #define WK_SLEEP        0x08
 175 #define WK_SELECT       0x10
 176 
 177 #define OPEN_READ       PCM_ENABLE_INPUT
 178 #define OPEN_WRITE      PCM_ENABLE_OUTPUT
 179 #define OPEN_READWRITE  (OPEN_READ|OPEN_WRITE)
 180 
 181 #include "sound_calls.h"
 182 #include "dev_table.h"
 183 
 184 #ifndef DEB
 185 #define DEB(x)
 186 #endif
 187 
 188 #ifndef DDB
 189 #define DDB(x)
 190 #endif
 191 
 192 #define TIMER_ARMED     121234
 193 #define TIMER_NOT_ARMED 1
/* */
root/drivers/sound/sound_config.h

INCLUDED FROM
