1 /* 2 * Linux driver for TerraTec DMX 6Fire USB 3 * 4 * Author: Torsten Schenk <torsten.schenk@zoho.com> 5 * Created: Jan 01, 2011 6 * Copyright: (C) Torsten Schenk 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14 #ifndef USB6FIRE_MIDI_H 15 #define USB6FIRE_MIDI_H 16 17 #include "common.h" 18 19 enum { 20 MIDI_BUFSIZE = 64 21 }; 22 23 struct midi_runtime { 24 struct sfire_chip *chip; 25 struct snd_rawmidi *instance; 26 27 struct snd_rawmidi_substream *in; 28 char in_active; 29 30 spinlock_t in_lock; 31 spinlock_t out_lock; 32 struct snd_rawmidi_substream *out; 33 struct urb out_urb; 34 u8 out_serial; /* serial number of out packet */ 35 u8 out_buffer[MIDI_BUFSIZE]; 36 int buffer_offset; 37 38 void (*in_received)(struct midi_runtime *rt, u8 *data, int length); 39 }; 40 41 int usb6fire_midi_init(struct sfire_chip *chip); 42 void usb6fire_midi_abort(struct sfire_chip *chip); 43 void usb6fire_midi_destroy(struct sfire_chip *chip); 44 #endif /* USB6FIRE_MIDI_H */ 45 46