drivers/sound/sound

/* */
   1 /* sound_config.h
   2  *
   3  * A driver for Soundcards, misc configuration parameters.
   4  *
   5  * 
   6  * Copyright by Hannu Savolainen 1995
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  */
  30 
  31 #undef CONFIGURE_SOUNDCARD
  32 #undef DYNAMIC_BUFFER
  33 
  34 #include "local.h"
  35 
  36 #ifdef KERNEL_SOUNDCARD
  37 #define CONFIGURE_SOUNDCARD
  38 #define DYNAMIC_BUFFER
  39 #undef LOADABLE_SOUNDCARD
  40 #endif
  41 
  42 #include "os.h"
  43 #include "soundvers.h"
  44 
  45 #if defined(ISC) || defined(SCO) || defined(SVR42)
  46 #define GENERIC_SYSV
  47 #endif
  48 
  49 
  50 
  51 
  52 
  53 
  54 
  55 #ifndef SND_DEFAULT_ENABLE
  56 #define SND_DEFAULT_ENABLE      1
  57 #endif
  58 
  59 #ifdef CONFIGURE_SOUNDCARD
  60 
  61 #ifndef MAX_REALTIME_FACTOR
  62 #define MAX_REALTIME_FACTOR     4
  63 #endif
  64 
  65 /************* PCM DMA buffer sizes *******************/
  66 
  67 /* If you are using high playback or recording speeds, the default buffersize
  68    is too small. DSP_BUFFSIZE must be 64k or less.
  69 
  70    A rule of thumb is 64k for PAS16, 32k for PAS+, 16k for SB Pro and
  71    4k for SB.
  72 
  73    If you change the DSP_BUFFSIZE, don't modify this file.
  74    Use the make config command instead. */
  75 
  76 #ifndef DSP_BUFFSIZE
  77 #define DSP_BUFFSIZE            (4096)
  78 #endif
  79 
  80 #ifndef DSP_BUFFCOUNT
  81 #define DSP_BUFFCOUNT           1       /* 1 is recommended. */
  82 #endif
  83 
  84 #define DMA_AUTOINIT            0x10
  85 
  86 #define FM_MONO         0x388   /* This is the I/O address used by AdLib */
  87 
  88 #ifndef PAS_BASE
  89 #define PAS_BASE        0x388
  90 #endif
  91 
  92 #ifdef JAZZ16
  93 #ifndef JAZZ_DMA16
  94 #define JAZZ_DMA16      5
  95 #endif
  96 #endif
  97 
  98 /* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
  99    driver. (There is no need to alter this) */
 100 #define SEQ_MAX_QUEUE   1024
 101 
 102 #define SBFM_MAXINSTR           (256)   /* Size of the FM Instrument bank */
 103 /* 128 instruments for general MIDI setup and 16 unassigned      */
 104 
 105 /*
 106  * Minor numbers for the sound driver.
 107  *
 108  * Unfortunately Creative called the codec chip of SB as a DSP. For this
 109  * reason the /dev/dsp is reserved for digitized audio use. There is a
 110  * device for true DSP processors but it will be called something else.
 111  * In v3.0 it's /dev/sndproc but this could be a temporary solution.
 112  */
 113 
 114 #define SND_NDEVS       256     /* Number of supported devices */
 115 #define SND_DEV_CTL     0       /* Control port /dev/mixer */
 116 #define SND_DEV_SEQ     1       /* Sequencer output /dev/sequencer (FM
 117                                    synthesizer and MIDI output) */
 118 #define SND_DEV_MIDIN   2       /* Raw midi access */
 119 #define SND_DEV_DSP     3       /* Digitized voice /dev/dsp */
 120 #define SND_DEV_AUDIO   4       /* Sparc compatible /dev/audio */
 121 #define SND_DEV_DSP16   5       /* Like /dev/dsp but 16 bits/sample */
 122 #define SND_DEV_STATUS  6       /* /dev/sndstat */
 123 /* #7 not in use now. Was in 2.4. Free for use after v3.0. */
 124 #define SND_DEV_SEQ2    8       /* /dev/sequecer, level 2 interface */
 125 #define SND_DEV_SNDPROC 9       /* /dev/sndproc for programmable devices */
 126 #define SND_DEV_PSS     SND_DEV_SNDPROC
 127 
 128 #define DSP_DEFAULT_SPEED       8000
 129 
 130 #define ON              1
 131 #define OFF             0
 132 
 133 #define MAX_AUDIO_DEV   5
 134 #define MAX_MIXER_DEV   5
 135 #define MAX_SYNTH_DEV   3
 136 #define MAX_MIDI_DEV    6
 137 #define MAX_TIMER_DEV   3
 138 
 139 struct fileinfo {
 140           int mode;           /* Open mode */
 141           int flags;
 142           int dummy;     /* Reference to file-flags. OS-dependent. */
 143        };
 144 
 145 struct address_info {
 146         int io_base;
 147         int irq;
 148         int dma;
 149         int dma2;
 150         int always_detect;      /* 1=Trust me, it's there */
 151         char *name;
 152         int driver_use_1;       /* Driver defined field 1 */
 153         int driver_use_2;       /* Driver defined field 2 */
 154         sound_os_info *osp;     /* OS spesific info */
 155         int card_subtype;       /* Driver spesific. Usually 0 */
 156 };
 157 
 158 #define SYNTH_MAX_VOICES        32
 159 
 160 struct voice_alloc_info {
 161                 int max_voice;
 162                 int used_voices;
 163                 int ptr;                /* For device specific use */
 164                 unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
 165                 int timestamp;
 166                 int alloc_times[SYNTH_MAX_VOICES];
 167         };
 168 
 169 struct channel_info {
 170                 int pgm_num;
 171                 int bender_value;
 172                 unsigned char controllers[128];
 173         };
 174 
 175 /*
 176  * Process wakeup reasons
 177  */
 178 #define WK_NONE         0x00
 179 #define WK_WAKEUP       0x01
 180 #define WK_TIMEOUT      0x02
 181 #define WK_SIGNAL       0x04
 182 #define WK_SLEEP        0x08
 183 
 184 #define OPEN_READ       PCM_ENABLE_INPUT
 185 #define OPEN_WRITE      PCM_ENABLE_OUTPUT
 186 #define OPEN_READWRITE  (OPEN_READ|OPEN_WRITE)
 187 
 188 #include "sound_calls.h"
 189 #include "dev_table.h"
 190 
 191 #ifndef DEB
 192 #define DEB(x)
 193 #endif
 194 
 195 #ifndef DDB
 196 #define DDB(x)
 197 #endif
 198 
 199 #define TIMER_ARMED     121234
 200 #define TIMER_NOT_ARMED 1
 201 
 202 #endif
/* */
root/drivers/sound/sound_config.h

INCLUDED FROM
