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