linux/include/sound/seq_device.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_SEQ_DEVICE_H
#define __SOUND_SEQ_DEVICE_H

/*
 *  ALSA sequencer device management
 *  Copyright (c) 1999 by Takashi Iwai <[email protected]>
 */

/*
 * registered device information
 */

struct snd_seq_device { … };

#define to_seq_dev(_dev) …

/* sequencer driver */

/* driver operators
 * probe:
 *	Initialize the device with given parameters.
 *	Typically,
 *		1. call snd_hwdep_new
 *		2. allocate private data and initialize it
 *		3. call snd_hwdep_register
 *		4. store the instance to dev->driver_data pointer.
 *		
 * remove:
 *	Release the private data.
 *	Typically, call snd_device_free(dev->card, dev->driver_data)
 */
struct snd_seq_driver { … };

#define to_seq_drv(_drv) …

/*
 * prototypes
 */
#ifdef CONFIG_MODULES
void snd_seq_device_load_drivers(void);
#else
#define snd_seq_device_load_drivers …
#endif
int snd_seq_device_new(struct snd_card *card, int device, const char *id,
		       int argsize, struct snd_seq_device **result);

#define SNDRV_SEQ_DEVICE_ARGPTR(dev) …

int __must_check __snd_seq_driver_register(struct snd_seq_driver *drv,
					   struct module *mod);
#define snd_seq_driver_register(drv) …
void snd_seq_driver_unregister(struct snd_seq_driver *drv);

#define module_snd_seq_driver(drv) …

/*
 * id strings for generic devices
 */
#define SNDRV_SEQ_DEV_ID_MIDISYNTH …
#define SNDRV_SEQ_DEV_ID_OPL3 …
#define SNDRV_SEQ_DEV_ID_UMP …

#endif /* __SOUND_SEQ_DEVICE_H */