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
15 struct 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
33 int usb6fire_midi_init(struct sfire_chip *chip);
34 void usb6fire_midi_abort(struct sfire_chip *chip);
35 void usb6fire_midi_destroy(struct sfire_chip *chip);
36 #endif /* USB6FIRE_MIDI_H */
37
38
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