[funini.com] -> [kei@sodan] -> Kernel Reading

root/sound/oss/sound_config.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. translate_mode
  2. translate_mode

/* 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)

#if OPEN_READ == FMODE_READ && OPEN_WRITE == FMODE_WRITE

static inline int translate_mode(struct file *file)
{
        return file->f_mode;
}

#else

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

#endif


#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

#endif

/* [<][>][^][v][top][bottom][index][help] */

[funini.com] -> [kei@sodan] -> Kernel Reading