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3eafc959b3
Use the minor numbers 2 and 3 for audio compressed offload devices. Also add support for these devices in core Signed-off-by: Omair Mohammed Abdullah <omair.m.abdullah@intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
113 lines
4.3 KiB
C
113 lines
4.3 KiB
C
#ifndef __SOUND_MINORS_H
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#define __SOUND_MINORS_H
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/*
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* MINOR numbers
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define SNDRV_OS_MINORS 256
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#define SNDRV_MINOR_DEVICES 32
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#define SNDRV_MINOR_CARD(minor) ((minor) >> 5)
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#define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f)
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#define SNDRV_MINOR(card, dev) (((card) << 5) | (dev))
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/* these minors can still be used for autoloading devices (/dev/aload*) */
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#define SNDRV_MINOR_CONTROL 0 /* 0 */
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#define SNDRV_MINOR_GLOBAL 1 /* 1 */
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#define SNDRV_MINOR_SEQUENCER 1 /* SNDRV_MINOR_GLOBAL + 0 * 32 */
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#define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */
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#ifndef CONFIG_SND_DYNAMIC_MINORS
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#define SNDRV_MINOR_COMPRESS 2 /* 2 - 3 */
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#define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */
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#define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */
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#define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */
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#define SNDRV_MINOR_PCM_CAPTURE 24 /* 24 - 31 */
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/* same as first respective minor number to make minor allocation easier */
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#define SNDRV_DEVICE_TYPE_CONTROL SNDRV_MINOR_CONTROL
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#define SNDRV_DEVICE_TYPE_HWDEP SNDRV_MINOR_HWDEP
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#define SNDRV_DEVICE_TYPE_RAWMIDI SNDRV_MINOR_RAWMIDI
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#define SNDRV_DEVICE_TYPE_PCM_PLAYBACK SNDRV_MINOR_PCM_PLAYBACK
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#define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE
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#define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER
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#define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER
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#define SNDRV_DEVICE_TYPE_COMPRESS SNDRV_MINOR_COMPRESS
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#else /* CONFIG_SND_DYNAMIC_MINORS */
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enum {
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SNDRV_DEVICE_TYPE_CONTROL,
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SNDRV_DEVICE_TYPE_SEQUENCER,
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SNDRV_DEVICE_TYPE_TIMER,
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SNDRV_DEVICE_TYPE_HWDEP,
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SNDRV_DEVICE_TYPE_RAWMIDI,
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SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
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SNDRV_DEVICE_TYPE_PCM_CAPTURE,
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SNDRV_DEVICE_TYPE_COMPRESS,
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};
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#endif /* CONFIG_SND_DYNAMIC_MINORS */
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#define SNDRV_MINOR_HWDEPS 4
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#define SNDRV_MINOR_RAWMIDIS 8
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#define SNDRV_MINOR_PCMS 8
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#ifdef CONFIG_SND_OSSEMUL
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#define SNDRV_MINOR_OSS_DEVICES 16
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#define SNDRV_MINOR_OSS_CARD(minor) ((minor) >> 4)
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#define SNDRV_MINOR_OSS_DEVICE(minor) ((minor) & 0x000f)
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#define SNDRV_MINOR_OSS(card, dev) (((card) << 4) | (dev))
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#define SNDRV_MINOR_OSS_MIXER 0 /* /dev/mixer - OSS 3.XX compatible */
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#define SNDRV_MINOR_OSS_SEQUENCER 1 /* /dev/sequencer - OSS 3.XX compatible */
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#define SNDRV_MINOR_OSS_MIDI 2 /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
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#define SNDRV_MINOR_OSS_PCM 3 /* alias */
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#define SNDRV_MINOR_OSS_PCM_8 3 /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
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#define SNDRV_MINOR_OSS_AUDIO 4 /* /dev/audio - SunSparc compatible */
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#define SNDRV_MINOR_OSS_PCM_16 5 /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
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#define SNDRV_MINOR_OSS_SNDSTAT 6 /* /dev/sndstat - for compatibility with OSS */
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#define SNDRV_MINOR_OSS_RESERVED7 7 /* reserved for future use */
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#define SNDRV_MINOR_OSS_MUSIC 8 /* /dev/music - OSS 3.XX compatible */
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#define SNDRV_MINOR_OSS_DMMIDI 9 /* /dev/dmmidi0 - this device can have another minor # with OSS */
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#define SNDRV_MINOR_OSS_DMFM 10 /* /dev/dmfm0 - this device can have another minor # with OSS */
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#define SNDRV_MINOR_OSS_MIXER1 11 /* alternate mixer */
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#define SNDRV_MINOR_OSS_PCM1 12 /* alternate PCM (GF-A-1) */
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#define SNDRV_MINOR_OSS_MIDI1 13 /* alternate midi - SYNTH */
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#define SNDRV_MINOR_OSS_DMMIDI1 14 /* alternate dmmidi - SYNTH */
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#define SNDRV_MINOR_OSS_RESERVED15 15 /* reserved for future use */
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#define SNDRV_OSS_DEVICE_TYPE_MIXER 0
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#define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1
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#define SNDRV_OSS_DEVICE_TYPE_PCM 2
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#define SNDRV_OSS_DEVICE_TYPE_MIDI 3
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#define SNDRV_OSS_DEVICE_TYPE_DMFM 4
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#define SNDRV_OSS_DEVICE_TYPE_SNDSTAT 5
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#define SNDRV_OSS_DEVICE_TYPE_MUSIC 6
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#define MODULE_ALIAS_SNDRV_MINOR(type) \
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MODULE_ALIAS("sound-service-?-" __stringify(type))
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#endif
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#endif /* __SOUND_MINORS_H */
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