linux/include/sound/snd_wavefront.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SOUND_SND_WAVEFRONT_H__
#define __SOUND_SND_WAVEFRONT_H__

#include <sound/mpu401.h>
#include <sound/hwdep.h>
#include <sound/rawmidi.h>
#include <sound/wavefront.h>  /* generic OSS/ALSA/user-level wavefront header */

/* MIDI interface */

struct _snd_wavefront_midi;
struct _snd_wavefront_card;
struct _snd_wavefront;

snd_wavefront_midi_t;
snd_wavefront_card_t;
snd_wavefront_t;

snd_wavefront_mpu_id;

struct _snd_wavefront_midi { … };

#define OUTPUT_READY …
#define INPUT_AVAIL …
#define MPU_ACK …
#define UART_MODE_ON …

extern const struct snd_rawmidi_ops snd_wavefront_midi_output;
extern const struct snd_rawmidi_ops snd_wavefront_midi_input;

extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
extern void   snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
extern int    snd_wavefront_midi_start (snd_wavefront_card_t *);

struct _snd_wavefront { … };

struct _snd_wavefront_card { … };

extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card);
extern int  snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
extern int  snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
extern int  snd_wavefront_restart (snd_wavefront_t *dev);
extern int  snd_wavefront_start (snd_wavefront_t *dev);
extern int  snd_wavefront_detect (snd_wavefront_card_t *card);
extern int  snd_wavefront_config_midi (snd_wavefront_t *dev) ;
extern int  snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *,
			       unsigned char *);

extern int snd_wavefront_synth_ioctl   (struct snd_hwdep *, 
					struct file *,
					unsigned int cmd, 
					unsigned long arg);
extern int  snd_wavefront_synth_open    (struct snd_hwdep *, struct file *);
extern int  snd_wavefront_synth_release (struct snd_hwdep *, struct file *);

/* FX processor - see also yss225.[ch] */

extern int  snd_wavefront_fx_start  (snd_wavefront_t *);
extern int  snd_wavefront_fx_detect (snd_wavefront_t *);
extern int  snd_wavefront_fx_ioctl  (struct snd_hwdep *, 
				     struct file *,
				     unsigned int cmd, 
				     unsigned long arg);
extern int snd_wavefront_fx_open    (struct snd_hwdep *, struct file *);
extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *);

#endif  /* __SOUND_SND_WAVEFRONT_H__ */