linux/linux-5.18.11/sound/usb/6fire/midi.h

38 lines
859 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux driver for TerraTec DMX 6Fire USB
*
* Author: Torsten Schenk <torsten.schenk@zoho.com>
* 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 */