/* 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