midi.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Linux driver for TerraTec DMX 6Fire USB
 *
 * Author:	Torsten Schenk <[email protected]>
 * Created:	Jan 01, 2011
 * Copyright:	(C) Torsten Schenk
 */

#ifndef USB6FIRE_MIDI_H
#define USB6FIRE_MIDI_H

#include "common.h"

struct midi_runtime {
	struct sfire_chip *chip;
	struct snd_rawmidi *instance;

	struct snd_rawmidi_substream *in;
	char in_active;

	spinlock_t in_lock;
	spinlock_t out_lock;
	struct snd_rawmidi_substream *out;
	struct urb out_urb;
	u8 out_serial; /* serial number of out packet */
	u8 *out_buffer;
	int buffer_offset;

	void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
};

int usb6fire_midi_init(struct sfire_chip *chip);
void usb6fire_midi_abort(struct sfire_chip *chip);
void usb6fire_midi_destroy(struct sfire_chip *chip);
#endif /* USB6FIRE_MIDI_H */