146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
/* sound_config.h
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*
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* A driver for sound cards, misc. configuration parameters.
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*/
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/*
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* Copyright (C) by Hannu Savolainen 1993-1997
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*
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* OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
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* Version 2 (June 1991). See the "COPYING" file distributed with this software
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* for more info.
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*/
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#ifndef _SOUND_CONFIG_H_
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#define _SOUND_CONFIG_H_
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#include <linux/fs.h>
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#include <linux/sound.h>
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#include "os.h"
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#include "soundvers.h"
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#ifndef SND_DEFAULT_ENABLE
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#define SND_DEFAULT_ENABLE 1
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#endif
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#ifndef MAX_REALTIME_FACTOR
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#define MAX_REALTIME_FACTOR 4
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#endif
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/*
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* Use always 64k buffer size. There is no reason to use shorter.
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*/
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#undef DSP_BUFFSIZE
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#define DSP_BUFFSIZE (64*1024)
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#ifndef DSP_BUFFCOUNT
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#define DSP_BUFFCOUNT 1 /* 1 is recommended. */
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#endif
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#define FM_MONO 0x388 /* This is the I/O address used by AdLib */
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#ifndef CONFIG_PAS_BASE
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#define CONFIG_PAS_BASE 0x388
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#endif
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/* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
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driver. (There is no need to alter this) */
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#define SEQ_MAX_QUEUE 1024
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#define SBFM_MAXINSTR (256) /* Size of the FM Instrument bank */
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/* 128 instruments for general MIDI setup and 16 unassigned */
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#define SND_NDEVS 256 /* Number of supported devices */
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#define DSP_DEFAULT_SPEED 8000
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#define MAX_AUDIO_DEV 5
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#define MAX_MIXER_DEV 5
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#define MAX_SYNTH_DEV 5
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#define MAX_MIDI_DEV 6
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#define MAX_TIMER_DEV 4
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struct address_info {
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int io_base;
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int irq;
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int dma;
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int dma2;
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int always_detect; /* 1=Trust me, it's there */
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char *name;
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int driver_use_1; /* Driver defined field 1 */
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int driver_use_2; /* Driver defined field 2 */
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int *osp; /* OS specific info */
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int card_subtype; /* Driver specific. Usually 0 */
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void *memptr; /* Module memory chainer */
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int slots[6]; /* To remember driver slot ids */
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};
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#define SYNTH_MAX_VOICES 32
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struct voice_alloc_info {
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int max_voice;
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int used_voices;
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int ptr; /* For device specific use */
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unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
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int timestamp;
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int alloc_times[SYNTH_MAX_VOICES];
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};
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struct channel_info {
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int pgm_num;
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int bender_value;
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int bender_range;
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unsigned char controllers[128];
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};
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/*
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* Process wakeup reasons
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*/
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#define WK_NONE 0x00
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#define WK_WAKEUP 0x01
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#define WK_TIMEOUT 0x02
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#define WK_SIGNAL 0x04
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#define WK_SLEEP 0x08
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#define WK_SELECT 0x10
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#define WK_ABORT 0x20
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#define OPEN_READ PCM_ENABLE_INPUT
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#define OPEN_WRITE PCM_ENABLE_OUTPUT
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#define OPEN_READWRITE (OPEN_READ|OPEN_WRITE)
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static inline int translate_mode(struct file *file)
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{
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if (OPEN_READ == (__force int)FMODE_READ &&
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OPEN_WRITE == (__force int)FMODE_WRITE)
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return (__force int)(file->f_mode & (FMODE_READ | FMODE_WRITE));
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else
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return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
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((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
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}
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#include "sound_calls.h"
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#include "dev_table.h"
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#ifndef DEB
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#define DEB(x)
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#endif
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#ifndef DDB
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#define DDB(x) do {} while (0)
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#endif
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#ifndef MDB
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#ifdef MODULE
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#define MDB(x) x
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#else
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#define MDB(x)
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#endif
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#endif
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#define TIMER_ARMED 121234
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#define TIMER_NOT_ARMED 1
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#endif
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