Viewing file:  sound.h (1.72 KB) -rw-r--r--
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/*
* Minor numbers for the sound driver.
*/
#include <linux/fs.h>
#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 /* Raw midi access */
#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/sndstat (obsolete) */
#define SND_DEV_UNUSED 6
#define SND_DEV_AWFM 7 /* Reserved */
#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
/* #define SND_DEV_SNDPROC 9 */ /* /dev/sndproc for programmable devices (not used) */
/* #define SND_DEV_DMMIDI 9 */
#define SND_DEV_SYNTH 9 /* Raw synth access /dev/synth (same as /dev/dmfm) */
#define SND_DEV_DMFM 10 /* Raw synth access /dev/dmfm */
#define SND_DEV_UNKNOWN11 11
#define SND_DEV_ADSP 12 /* Like /dev/dsp (obsolete) */
#define SND_DEV_AMIDI 13 /* Like /dev/midi (obsolete) */
#define SND_DEV_ADMMIDI 14 /* Like /dev/dmmidi (onsolete) */
/*
* Sound core interface functions
*/
struct device;
extern int register_sound_special(const struct file_operations *fops, int unit);
extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
extern int register_sound_mixer(const struct file_operations *fops, int dev);
extern int register_sound_midi(const struct file_operations *fops, int dev);
extern int register_sound_dsp(const struct file_operations *fops, int dev);
extern void unregister_sound_special(int unit);
extern void unregister_sound_mixer(int unit);
extern void unregister_sound_midi(int unit);
extern void unregister_sound_dsp(int unit);
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