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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __USBAUDIO_H
2#define __USBAUDIO_H
3/*
4 * (Tentative) USB Audio Driver for ALSA
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
Clemens Ladisch27d10f52005-05-02 08:51:26 +020024/* handling of USB vendor/product ID pairs as 32-bit numbers */
25#define USB_ID(vendor, product) (((vendor) << 16) | (product))
26#define USB_ID_VENDOR(id) ((id) >> 16)
27#define USB_ID_PRODUCT(id) ((u16)(id))
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029/*
Daniel Macke5779992010-03-04 19:46:13 +010030 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 */
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033struct snd_usb_audio {
34 int index;
35 struct usb_device *dev;
Takashi Iwai86e07d32005-11-17 15:08:02 +010036 struct snd_card *card;
Clemens Ladisch27d10f52005-05-02 08:51:26 +020037 u32 usb_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 int shutdown;
John S. Gruber98e89f62009-12-27 12:19:58 -050039 unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 int num_interfaces;
Oliver Neukumf85bf292007-12-14 14:42:41 +010041 int num_suspended_intf;
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43 struct list_head pcm_list; /* list of pcm streams */
44 int pcm_devs;
45
46 struct list_head midi_list; /* list of midi interfaces */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Clemens Ladisch84957a82005-04-29 16:23:13 +020048 struct list_head mixer_list; /* list of mixer interfaces */
Daniel Macke5779992010-03-04 19:46:13 +010049
50 int setup; /* from the 'device_setup' module param */
51 int nrpacks; /* from the 'nrpacks' module param */
52 int async_unlink; /* from the 'async_unlink' module param */
Daniel Mack79f920f2010-05-31 14:51:31 +020053
54 struct usb_host_interface *ctrl_intf; /* the audio control interface */
Linus Torvalds1da177e2005-04-16 15:20:36 -070055};
56
57/*
58 * Information about devices with broken descriptors
59 */
60
61/* special values for .ifnum */
62#define QUIRK_NO_INTERFACE -2
63#define QUIRK_ANY_INTERFACE -1
64
Clemens Ladisch854af952005-07-25 16:19:10 +020065enum quirk_type {
66 QUIRK_IGNORE_INTERFACE,
67 QUIRK_COMPOSITE,
68 QUIRK_MIDI_STANDARD_INTERFACE,
69 QUIRK_MIDI_FIXED_ENDPOINT,
70 QUIRK_MIDI_YAMAHA,
71 QUIRK_MIDI_MIDIMAN,
72 QUIRK_MIDI_NOVATION,
Clemens Ladisch55de5ef2009-05-27 10:49:30 +020073 QUIRK_MIDI_FASTLANE,
Clemens Ladisch854af952005-07-25 16:19:10 +020074 QUIRK_MIDI_EMAGIC,
Clemens Ladischcc7a59b2006-02-07 17:11:06 +010075 QUIRK_MIDI_CME,
Krzysztof Foltman4434ade2010-05-20 20:31:10 +010076 QUIRK_MIDI_AKAI,
Karsten Wiese030a07e2008-07-30 15:13:29 +020077 QUIRK_MIDI_US122L,
Clemens Ladisch854af952005-07-25 16:19:10 +020078 QUIRK_AUDIO_STANDARD_INTERFACE,
79 QUIRK_AUDIO_FIXED_ENDPOINT,
Pedro Lopez-Cabanillas310e0dc2008-10-04 16:27:36 +020080 QUIRK_AUDIO_EDIROL_UAXX,
John S. Gruber52a7a582009-12-27 12:19:59 -050081 QUIRK_AUDIO_ALIGN_TRANSFER,
Clemens Ladisch854af952005-07-25 16:19:10 +020082
83 QUIRK_TYPE_COUNT
84};
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Linus Torvalds1da177e2005-04-16 15:20:36 -070086struct snd_usb_audio_quirk {
87 const char *vendor_name;
88 const char *product_name;
89 int16_t ifnum;
Clemens Ladisch854af952005-07-25 16:19:10 +020090 uint16_t type;
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 const void *data;
92};
93
Julian Anastasovf4950882009-11-06 23:44:53 +020094#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
Linus Torvalds1da177e2005-04-16 15:20:36 -070095#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
96#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
97
Linus Torvalds1da177e2005-04-16 15:20:36 -070098#endif /* __USBAUDIO_H */