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