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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;
Oliver Neukum88a85162011-03-11 14:51:12 +010037 struct usb_interface *pm_intf;
Clemens Ladisch27d10f52005-05-02 08:51:26 +020038 u32 usb_id;
Takashi Iwai382225e2011-02-22 10:21:18 +010039 struct mutex shutdown_mutex;
Oliver Neukum88a85162011-03-11 14:51:12 +010040 unsigned int shutdown:1;
41 unsigned int probing:1;
42 unsigned int autosuspended:1;
John S. Gruber98e89f62009-12-27 12:19:58 -050043 unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
Oliver Neukum88a85162011-03-11 14:51:12 +010044
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 int num_interfaces;
Oliver Neukumf85bf292007-12-14 14:42:41 +010046 int num_suspended_intf;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48 struct list_head pcm_list; /* list of pcm streams */
49 int pcm_devs;
50
51 struct list_head midi_list; /* list of midi interfaces */
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Clemens Ladisch84957a82005-04-29 16:23:13 +020053 struct list_head mixer_list; /* list of mixer interfaces */
Daniel Macke5779992010-03-04 19:46:13 +010054
55 int setup; /* from the 'device_setup' module param */
56 int nrpacks; /* from the 'nrpacks' module param */
57 int async_unlink; /* from the 'async_unlink' module param */
Daniel Mack79f920f2010-05-31 14:51:31 +020058
59 struct usb_host_interface *ctrl_intf; /* the audio control interface */
Linus Torvalds1da177e2005-04-16 15:20:36 -070060};
61
62/*
63 * Information about devices with broken descriptors
64 */
65
66/* special values for .ifnum */
67#define QUIRK_NO_INTERFACE -2
68#define QUIRK_ANY_INTERFACE -1
69
Clemens Ladisch854af952005-07-25 16:19:10 +020070enum quirk_type {
71 QUIRK_IGNORE_INTERFACE,
72 QUIRK_COMPOSITE,
73 QUIRK_MIDI_STANDARD_INTERFACE,
74 QUIRK_MIDI_FIXED_ENDPOINT,
75 QUIRK_MIDI_YAMAHA,
76 QUIRK_MIDI_MIDIMAN,
77 QUIRK_MIDI_NOVATION,
Clemens Ladischc7f57212010-10-22 18:20:48 +020078 QUIRK_MIDI_RAW_BYTES,
Clemens Ladisch854af952005-07-25 16:19:10 +020079 QUIRK_MIDI_EMAGIC,
Clemens Ladischcc7a59b2006-02-07 17:11:06 +010080 QUIRK_MIDI_CME,
Krzysztof Foltman4434ade2010-05-20 20:31:10 +010081 QUIRK_MIDI_AKAI,
Karsten Wiese030a07e2008-07-30 15:13:29 +020082 QUIRK_MIDI_US122L,
Clemens Ladisch854af952005-07-25 16:19:10 +020083 QUIRK_AUDIO_STANDARD_INTERFACE,
84 QUIRK_AUDIO_FIXED_ENDPOINT,
Pedro Lopez-Cabanillas310e0dc2008-10-04 16:27:36 +020085 QUIRK_AUDIO_EDIROL_UAXX,
John S. Gruber52a7a582009-12-27 12:19:59 -050086 QUIRK_AUDIO_ALIGN_TRANSFER,
Daniel Mack014950b2011-05-25 09:09:02 +020087 QUIRK_AUDIO_STANDARD_MIXER,
Clemens Ladisch854af952005-07-25 16:19:10 +020088
89 QUIRK_TYPE_COUNT
90};
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
Linus Torvalds1da177e2005-04-16 15:20:36 -070092struct snd_usb_audio_quirk {
93 const char *vendor_name;
94 const char *product_name;
95 int16_t ifnum;
Clemens Ladisch854af952005-07-25 16:19:10 +020096 uint16_t type;
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 const void *data;
98};
99
Julian Anastasovf4950882009-11-06 23:44:53 +0200100#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
102#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104#endif /* __USBAUDIO_H */