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kernel/linux-rt-4.4.41/include/sound/minors.h 4.33 KB
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  #ifndef __SOUND_MINORS_H
  #define __SOUND_MINORS_H
  
  /*
   *  MINOR numbers
   *
   *
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU General Public License for more details.
   *
   *   You should have received a copy of the GNU General Public License
   *   along with this program; if not, write to the Free Software
   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   *
   */
  
  #define SNDRV_OS_MINORS			256
  
  #define SNDRV_MINOR_DEVICES		32
  #define SNDRV_MINOR_CARD(minor)		((minor) >> 5)
  #define SNDRV_MINOR_DEVICE(minor)	((minor) & 0x001f)
  #define SNDRV_MINOR(card, dev)		(((card) << 5) | (dev))
  
  /* these minors can still be used for autoloading devices (/dev/aload*) */
  #define SNDRV_MINOR_CONTROL		0	/* 0 */
  #define SNDRV_MINOR_GLOBAL		1	/* 1 */
  #define SNDRV_MINOR_SEQUENCER		1	/* SNDRV_MINOR_GLOBAL + 0 * 32 */
  #define SNDRV_MINOR_TIMER		33	/* SNDRV_MINOR_GLOBAL + 1 * 32 */
  
  #ifndef CONFIG_SND_DYNAMIC_MINORS
  #define SNDRV_MINOR_COMPRESS		2	/* 2 - 3 */
  #define SNDRV_MINOR_HWDEP		4	/* 4 - 7 */
  #define SNDRV_MINOR_RAWMIDI		8	/* 8 - 15 */
  #define SNDRV_MINOR_PCM_PLAYBACK	16	/* 16 - 23 */
  #define SNDRV_MINOR_PCM_CAPTURE		24	/* 24 - 31 */
  
  /* same as first respective minor number to make minor allocation easier */
  #define SNDRV_DEVICE_TYPE_CONTROL	SNDRV_MINOR_CONTROL
  #define SNDRV_DEVICE_TYPE_HWDEP		SNDRV_MINOR_HWDEP
  #define SNDRV_DEVICE_TYPE_RAWMIDI	SNDRV_MINOR_RAWMIDI
  #define SNDRV_DEVICE_TYPE_PCM_PLAYBACK	SNDRV_MINOR_PCM_PLAYBACK
  #define SNDRV_DEVICE_TYPE_PCM_CAPTURE	SNDRV_MINOR_PCM_CAPTURE
  #define SNDRV_DEVICE_TYPE_SEQUENCER	SNDRV_MINOR_SEQUENCER
  #define SNDRV_DEVICE_TYPE_TIMER		SNDRV_MINOR_TIMER
  #define SNDRV_DEVICE_TYPE_COMPRESS	SNDRV_MINOR_COMPRESS
  
  #else /* CONFIG_SND_DYNAMIC_MINORS */
  
  enum {
  	SNDRV_DEVICE_TYPE_CONTROL,
  	SNDRV_DEVICE_TYPE_SEQUENCER,
  	SNDRV_DEVICE_TYPE_TIMER,
  	SNDRV_DEVICE_TYPE_HWDEP,
  	SNDRV_DEVICE_TYPE_RAWMIDI,
  	SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
  	SNDRV_DEVICE_TYPE_PCM_CAPTURE,
  	SNDRV_DEVICE_TYPE_COMPRESS,
  };
  
  #endif /* CONFIG_SND_DYNAMIC_MINORS */
  
  #define SNDRV_MINOR_HWDEPS		4
  #define SNDRV_MINOR_RAWMIDIS		8
  #define SNDRV_MINOR_PCMS		8
  
  
  #ifdef CONFIG_SND_OSSEMUL
  
  #define SNDRV_MINOR_OSS_DEVICES		16
  #define SNDRV_MINOR_OSS_CARD(minor)	((minor) >> 4)
  #define SNDRV_MINOR_OSS_DEVICE(minor)	((minor) & 0x000f)
  #define SNDRV_MINOR_OSS(card, dev)	(((card) << 4) | (dev))
  
  #define SNDRV_MINOR_OSS_MIXER		0	/* /dev/mixer - OSS 3.XX compatible */
  #define SNDRV_MINOR_OSS_SEQUENCER	1	/* /dev/sequencer - OSS 3.XX compatible */
  #define	SNDRV_MINOR_OSS_MIDI		2	/* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
  #define SNDRV_MINOR_OSS_PCM		3	/* alias */
  #define SNDRV_MINOR_OSS_PCM_8		3	/* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
  #define SNDRV_MINOR_OSS_AUDIO		4	/* /dev/audio - SunSparc compatible */
  #define SNDRV_MINOR_OSS_PCM_16		5	/* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
  #define SNDRV_MINOR_OSS_SNDSTAT		6	/* /dev/sndstat - for compatibility with OSS */
  #define SNDRV_MINOR_OSS_RESERVED7	7	/* reserved for future use */
  #define SNDRV_MINOR_OSS_MUSIC		8	/* /dev/music - OSS 3.XX compatible */
  #define SNDRV_MINOR_OSS_DMMIDI		9	/* /dev/dmmidi0 - this device can have another minor # with OSS */
  #define SNDRV_MINOR_OSS_DMFM		10	/* /dev/dmfm0 - this device can have another minor # with OSS */
  #define SNDRV_MINOR_OSS_MIXER1		11	/* alternate mixer */
  #define SNDRV_MINOR_OSS_PCM1		12	/* alternate PCM (GF-A-1) */
  #define SNDRV_MINOR_OSS_MIDI1		13	/* alternate midi - SYNTH */
  #define SNDRV_MINOR_OSS_DMMIDI1		14	/* alternate dmmidi - SYNTH */
  #define SNDRV_MINOR_OSS_RESERVED15	15	/* reserved for future use */
  
  #define SNDRV_OSS_DEVICE_TYPE_MIXER	0
  #define SNDRV_OSS_DEVICE_TYPE_SEQUENCER	1
  #define SNDRV_OSS_DEVICE_TYPE_PCM	2
  #define SNDRV_OSS_DEVICE_TYPE_MIDI	3
  #define SNDRV_OSS_DEVICE_TYPE_DMFM	4
  #define SNDRV_OSS_DEVICE_TYPE_SNDSTAT	5
  #define SNDRV_OSS_DEVICE_TYPE_MUSIC	6
  
  #define MODULE_ALIAS_SNDRV_MINOR(type) \
  	MODULE_ALIAS("sound-service-?-" __stringify(type))
  
  #endif
  
  #endif /* __SOUND_MINORS_H */