1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Linux driver for TerraTec DMX 6Fire USB
4 *
5 * Author:	Torsten Schenk <torsten.schenk@zoho.com>
6 * Created:	Jan 01, 2011
7 * Copyright:	(C) Torsten Schenk
8 */
9
10#ifndef USB6FIRE_MIDI_H
11#define USB6FIRE_MIDI_H
12
13#include "common.h"
14
15struct midi_runtime {
16	struct sfire_chip *chip;
17	struct snd_rawmidi *instance;
18
19	struct snd_rawmidi_substream *in;
20	char in_active;
21
22	spinlock_t in_lock;
23	spinlock_t out_lock;
24	struct snd_rawmidi_substream *out;
25	struct urb out_urb;
26	u8 out_serial; /* serial number of out packet */
27	u8 *out_buffer;
28	int buffer_offset;
29
30	void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
31};
32
33int usb6fire_midi_init(struct sfire_chip *chip);
34void usb6fire_midi_abort(struct sfire_chip *chip);
35void usb6fire_midi_destroy(struct sfire_chip *chip);
36#endif /* USB6FIRE_MIDI_H */
37
38