sound_config.h

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/* sound_config.h
 *
 * A driver for sound cards, misc. configuration parameters.
 */
/*
 * Copyright (C) by Hannu Savolainen 1993-1997
 *
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */


#ifndef  _SOUND_CONFIG_H_
#define  _SOUND_CONFIG_H_

#include <linux/fs.h>
#include <linux/sound.h>

#include "os.h"
#include "soundvers.h"


#ifndef SND_DEFAULT_ENABLE
#define SND_DEFAULT_ENABLE  1
#endif

#ifndef MAX_REALTIME_FACTOR
#define MAX_REALTIME_FACTOR 4
#endif

/*
 * Use always 64k buffer size. There is no reason to use shorter.
 */
#undef DSP_BUFFSIZE
#define DSP_BUFFSIZE        (64*1024)

#ifndef DSP_BUFFCOUNT
#define DSP_BUFFCOUNT       1   /* 1 is recommended. */
#endif

#define FM_MONO     0x388   /* This is the I/O address used by AdLib */

#ifndef CONFIG_PAS_BASE
#define CONFIG_PAS_BASE 0x388
#endif

/* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
   driver. (There is no need to alter this) */
#define SEQ_MAX_QUEUE   1024

#define SBFM_MAXINSTR       (256)   /* Size of the FM Instrument bank */
/* 128 instruments for general MIDI setup and 16 unassigned  */

#define SND_NDEVS   256 /* Number of supported devices */

#define DSP_DEFAULT_SPEED   8000

#define MAX_AUDIO_DEV   5
#define MAX_MIXER_DEV   5
#define MAX_SYNTH_DEV   5
#define MAX_MIDI_DEV    6
#define MAX_TIMER_DEV   4

struct address_info {
    int io_base;
    int irq;
    int dma;
    int dma2;
    int always_detect;  /* 1=Trust me, it's there */
    char *name;
    int driver_use_1;   /* Driver defined field 1 */
    int driver_use_2;   /* Driver defined field 2 */
    int *osp;   /* OS specific info */
    int card_subtype;   /* Driver specific. Usually 0 */
    void *memptr;           /* Module memory chainer */
    int slots[6];           /* To remember driver slot ids */
};

#define SYNTH_MAX_VOICES    32

struct voice_alloc_info {
        int max_voice;
        int used_voices;
        int ptr;        /* For device specific use */
        unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
        int timestamp;
        int alloc_times[SYNTH_MAX_VOICES];
    };

struct channel_info {
        int pgm_num;
        int bender_value;
        int bender_range;
        unsigned char controllers[128];
    };

/*
 * Process wakeup reasons
 */
#define WK_NONE     0x00
#define WK_WAKEUP   0x01
#define WK_TIMEOUT  0x02
#define WK_SIGNAL   0x04
#define WK_SLEEP    0x08
#define WK_SELECT   0x10
#define WK_ABORT    0x20

#define OPEN_READ   PCM_ENABLE_INPUT
#define OPEN_WRITE  PCM_ENABLE_OUTPUT
#define OPEN_READWRITE  (OPEN_READ|OPEN_WRITE)

static inline int translate_mode(struct file *file)
{
    if (OPEN_READ == (__force int)FMODE_READ &&
        OPEN_WRITE == (__force int)FMODE_WRITE)
        return (__force int)(file->f_mode & (FMODE_READ | FMODE_WRITE));
    else
        return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
            ((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
}

#include "sound_calls.h"
#include "dev_table.h"

#ifndef DEB
#define DEB(x)
#endif

#ifndef DDB
#define DDB(x) do {} while (0)
#endif

#ifndef MDB
#ifdef MODULE
#define MDB(x) x
#else
#define MDB(x)
#endif
#endif

#define TIMER_ARMED 121234
#define TIMER_NOT_ARMED 1

#define MAX_MEM_BLOCKS 1024

#endif