LXR linux/sound/oss/sound

   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
  66struct 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
  83struct 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
  92struct 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
 116static inline int translate_mode(struct file *file)
 117{
 118        return file->f_mode;
 119}
 120
 121#else
 122
 123static 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
 155