sound/oss/sound_config.h

   1 /* sound_config.h
   2  *
   3  * A driver for sound cards, misc. configuration parameters.
   4  */
   5 /*
   6  * Copyright (C) by Hannu Savolainen 1993-1997
   7  *
   8  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
   9  * Version 2 (June 1991). See the "COPYING" file distributed with this software
  10  * for more info.
  11  */
  12
  13
  14 #ifndef  _SOUND_CONFIG_H_
  15 #define  _SOUND_CONFIG_H_
  16
  17 #include <linux/fs.h>
  18 #include <linux/sound.h>
  19
  20 #include "os.h"
  21 #include "soundvers.h"
  22
  23
  24 #ifndef SND_DEFAULT_ENABLE
  25 #define SND_DEFAULT_ENABLE      1
  26 #endif
  27
  28 #ifndef MAX_REALTIME_FACTOR
  29 #define MAX_REALTIME_FACTOR     4
  30 #endif
  31
  32 /*
  33  * Use always 64k buffer size. There is no reason to use shorter.
  34  */
  35 #undef DSP_BUFFSIZE
  36 #define DSP_BUFFSIZE            (64*1024)
  37
  38 #ifndef DSP_BUFFCOUNT
  39 #define DSP_BUFFCOUNT           1       /* 1 is recommended. */
  40 #endif
  41
  42 #define FM_MONO         0x388   /* This is the I/O address used by AdLib */
  43
  44 #ifndef CONFIG_PAS_BASE
  45 #define CONFIG_PAS_BASE 0x388
  46 #endif
  47
  48 /* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
  49    driver. (There is no need to alter this) */
  50 #define SEQ_MAX_QUEUE   1024
  51
  52 #define SBFM_MAXINSTR           (256)   /* Size of the FM Instrument bank */
  53 /* 128 instruments for general MIDI setup and 16 unassigned      */
  54
  55 #define SND_NDEVS       256     /* Number of supported devices */
  56
  57 #define DSP_DEFAULT_SPEED       8000
  58
  59 #define MAX_AUDIO_DEV   5
  60 #define MAX_MIXER_DEV   5
  61 #define MAX_SYNTH_DEV   5
  62 #define MAX_MIDI_DEV    6
  63 #define MAX_TIMER_DEV   4
  64
  65 struct address_info {
  66         int io_base;
  67         int irq;
  68         int dma;
  69         int dma2;
  70         int always_detect;      /* 1=Trust me, it's there */
  71         char *name;
  72         int driver_use_1;       /* Driver defined field 1 */
  73         int driver_use_2;       /* Driver defined field 2 */
  74         int *osp;       /* OS specific info */
  75         int card_subtype;       /* Driver specific. Usually 0 */
  76         void *memptr;           /* Module memory chainer */
  77         int slots[6];           /* To remember driver slot ids */
  78 };
  79
  80 #define SYNTH_MAX_VOICES        32
  81
  82 struct voice_alloc_info {
  83                 int max_voice;
  84                 int used_voices;
  85                 int ptr;                /* For device specific use */
  86                 unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
  87                 int timestamp;
  88                 int alloc_times[SYNTH_MAX_VOICES];
  89         };
  90
  91 struct channel_info {
  92                 int pgm_num;
  93                 int bender_value;
  94                 int bender_range;
  95                 unsigned char controllers[128];
  96         };
  97
  98 /*
  99  * Process wakeup reasons
 100  */
 101 #define WK_NONE         0x00
 102 #define WK_WAKEUP       0x01
 103 #define WK_TIMEOUT      0x02
 104 #define WK_SIGNAL       0x04
 105 #define WK_SLEEP        0x08
 106 #define WK_SELECT       0x10
 107 #define WK_ABORT        0x20
 108
 109 #define OPEN_READ       PCM_ENABLE_INPUT
 110 #define OPEN_WRITE      PCM_ENABLE_OUTPUT
 111 #define OPEN_READWRITE  (OPEN_READ|OPEN_WRITE)
 112
 113 #if OPEN_READ == FMODE_READ && OPEN_WRITE == FMODE_WRITE
 114
 115 static inline int translate_mode(struct file *file)
 116 {
 117         return file->f_mode;
 118 }
 119
 120 #else
 121
 122 static inline int translate_mode(struct file *file)
 123 {
 124         return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
 125                 ((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
 126 }
 127
 128 #endif
 129
 130
 131 #include "sound_calls.h"
 132 #include "dev_table.h"
 133
 134 #ifndef DEB
 135 #define DEB(x)
 136 #endif
 137
 138 #ifndef DDB
 139 #define DDB(x) do {} while (0)
 140 #endif
 141
 142 #ifndef MDB
 143 #ifdef MODULE
 144 #define MDB(x) x
 145 #else
 146 #define MDB(x)
 147 #endif
 148 #endif
 149
 150 #define TIMER_ARMED     121234
 151 #define TIMER_NOT_ARMED 1
 152
 153 #endif