include/linux/sound.h
author Florian Westphal <fw@strlen.de>
Sun, 11 Jan 2009 20:20:11 +0100
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Port of Linux 2.6.28 for use with network simulation cradle.
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/*
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 * Minor numbers for the sound driver.
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 */
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#include <linux/fs.h>
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#define SND_DEV_CTL		0	/* Control port /dev/mixer */
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#define SND_DEV_SEQ		1	/* Sequencer output /dev/sequencer (FM
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						synthesizer and MIDI output) */
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#define SND_DEV_MIDIN		2	/* Raw midi access */
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#define SND_DEV_DSP		3	/* Digitized voice /dev/dsp */
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#define SND_DEV_AUDIO		4	/* Sparc compatible /dev/audio */
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#define SND_DEV_DSP16		5	/* Like /dev/dsp but 16 bits/sample */
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/* #define SND_DEV_STATUS	6 */	/* /dev/sndstat (obsolete) */
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#define SND_DEV_UNUSED		6
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#define SND_DEV_AWFM		7	/* Reserved */
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#define SND_DEV_SEQ2		8	/* /dev/sequencer, level 2 interface */
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/* #define SND_DEV_SNDPROC	9 */	/* /dev/sndproc for programmable devices (not used) */
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/* #define SND_DEV_DMMIDI	9 */
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#define SND_DEV_SYNTH		9	/* Raw synth access /dev/synth (same as /dev/dmfm) */
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#define SND_DEV_DMFM		10	/* Raw synth access /dev/dmfm */
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#define SND_DEV_UNKNOWN11	11
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#define SND_DEV_ADSP		12	/* Like /dev/dsp (obsolete) */
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#define SND_DEV_AMIDI		13	/* Like /dev/midi (obsolete) */
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#define SND_DEV_ADMMIDI		14	/* Like /dev/dmmidi (onsolete) */
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/*
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 *	Sound core interface functions
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 */
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struct device;
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extern int register_sound_special(const struct file_operations *fops, int unit);
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extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
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extern int register_sound_mixer(const struct file_operations *fops, int dev);
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extern int register_sound_midi(const struct file_operations *fops, int dev);
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extern int register_sound_dsp(const struct file_operations *fops, int dev);
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extern void unregister_sound_special(int unit);
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extern void unregister_sound_mixer(int unit);
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extern void unregister_sound_midi(int unit);
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extern void unregister_sound_dsp(int unit);