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📄 sound_config.h

📁 <Linux1.0核心游记>电子书+书后源码+Linux1.0源码
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/* sound_config.h * * A driver for Soundcards, misc configuration parameters. * *  * Copyright by Hannu Savolainen 1993 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */#include "local.h"#undef CONFIGURE_SOUNDCARD#undef DYNAMIC_BUFFER#ifdef KERNEL_SOUNDCARD#define CONFIGURE_SOUNDCARD#define DYNAMIC_BUFFER#undef LOADABLE_SOUNDCARD#endif#ifdef EXCLUDE_SEQUENCER#define EXCLUDE_MIDI#define EXCLUDE_YM3812#define EXCLUDE_OPL3#endif#ifndef SND_DEFAULT_ENABLE#define SND_DEFAULT_ENABLE	1#endif/** UWM - new MIDI stuff **/#ifdef EXCLUDE_CHIP_MIDI#define EXCLUDE_PRO_MIDI#endif/** UWM - stuff **/ #if defined(EXCLUDE_SEQUENCER) && defined(EXCLUDE_AUDIO)#undef CONFIGURE_SOUNDCARD#endif#ifdef CONFIGURE_SOUNDCARD/* ****** IO-address, DMA and IRQ settings ****If your card has nonstandard I/O address or IRQ number, change defines   for the following settings in your kernel Makefile */#ifndef SBC_BASE#define SBC_BASE	0x220	/* 0x220 is the factory default. */#endif#ifndef SBC_IRQ#define SBC_IRQ		7	/* IQR7 is the factory default.	 */#endif#ifndef SBC_DMA#define SBC_DMA		1#endif#ifndef SB16_DMA#define SB16_DMA	6#endif#ifndef SB16MIDI_BASE#define SB16MIDI_BASE	0x300#endif#ifndef PAS_BASE#define PAS_BASE	0x388#endif#ifndef PAS_IRQ#define PAS_IRQ		5#endif#ifndef PAS_DMA#define PAS_DMA		3#endif#ifndef GUS_BASE#define GUS_BASE	0x220#endif#ifndef GUS_IRQ#define GUS_IRQ		15#endif#ifndef GUS_MIDI_IRQ#define GUS_MIDI_IRQ	GUS_IRQ#endif#ifndef GUS_DMA#define GUS_DMA		6#endif#ifndef MPU_BASE#define MPU_BASE	0x330#endif#ifndef MPU_IRQ#define MPU_IRQ		6#endif#ifndef MAX_REALTIME_FACTOR#define MAX_REALTIME_FACTOR	4#endif/************* PCM DMA buffer sizes *******************//* If you are using high playback or recording speeds, the default buffersize   is too small. DSP_BUFFSIZE must be 64k or less.   A rule of thumb is 64k for PAS16, 32k for PAS+, 16k for SB Pro and   4k for SB.   If you change the DSP_BUFFSIZE, don't modify this file.   Use the make config command instead. */#ifndef DSP_BUFFSIZE#define DSP_BUFFSIZE		(4096)#endif#ifndef DSP_BUFFCOUNT#define DSP_BUFFCOUNT		2	/* 2 is recommended. */#endif#define DMA_AUTOINIT		0x10#define FM_MONO		0x388	/* This is the I/O address used by AdLib *//* 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	50	/* Number of supported devices */#define SND_DEV_CTL	0	/* Control port /dev/mixer */#define SND_DEV_SEQ	1	/* Sequencer output /dev/sequencer (FM				   synthesizer and MIDI output) */#define SND_DEV_MIDIN	2	/* MIDI input /dev/midin (not implemented				   yet) */#define SND_DEV_DSP	3	/* Digitized voice /dev/dsp */#define SND_DEV_AUDIO	4	/* Sparc compatible /dev/audio */#define SND_DEV_DSP16	5	/* Like /dev/dsp but 16 bits/sample */#define SND_DEV_STATUS	6	/* /dev/sndstatus *//* UWM ... note add new MIDI devices here..   *  Also do not forget to add table midi_supported[] *  Minor numbers for on-chip midi devices start from 15.. and  *  should be contiguous.. viz. 15,16,17.... * ERROR!!!!!!!!! NO NO. Minor numbers above 15 are reserved!!!!!! Hannu *  Also note the max # of midi devices as MAX_MIDI_DEV */ #define CMIDI_DEV_PRO  15  	/* Chip midi device == /dev/pro_midi *//* *  Add other midis here...		.		.		.		. */#define DSP_DEFAULT_SPEED	8000#define ON		1#define OFF		0#define MAX_DSP_DEV	4#define MAX_MIXER_DEV	2#define MAX_SYNTH_DEV	3#define MAX_MIDI_DEV	4struct fileinfo {       	  int mode;	/* Open mode */       };struct address_info {	int io_base;	int irq;	int dma;};/* * Process wakeup reasons */#define WK_NONE		0x00#define WK_WAKEUP	0x01#define WK_TIMEOUT	0x02#define WK_SIGNAL	0x04#define WK_SLEEP	0x08#define OPEN_READ	1#define OPEN_WRITE	2#define OPEN_READWRITE	3#include "os.h"#include "sound_calls.h"#include "dev_table.h"#ifndef DEB#define DEB(x)#endif#endif

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