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/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
  65struct 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
  82struct 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
  91struct 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
 115static inline int translate_mode(struct file *file)
 116{
 117        return file->f_mode;
 118}
 119
 120#else
 121
 122static 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
 154