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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;
Daniel Mack596580d2012-04-12 13:51:10 +020039 struct mutex mutex;
Takashi Iwai34f3c892012-10-15 12:16:02 +020040 struct rw_semaphore shutdown_rwsem;
Oliver Neukum88a85162011-03-11 14:51:12 +010041 unsigned int shutdown:1;
42 unsigned int probing:1;
43 unsigned int autosuspended:1;
John S. Gruber98e89f62009-12-27 12:19:58 -050044 unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
Oliver Neukum88a85162011-03-11 14:51:12 +010045
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 int num_interfaces;
Oliver Neukumf85bf292007-12-14 14:42:41 +010047 int num_suspended_intf;
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
49 struct list_head pcm_list; /* list of pcm streams */
Daniel Mack8fdff6a2012-04-12 13:51:11 +020050 struct list_head ep_list; /* list of audio-related endpoints */
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 int pcm_devs;
52
53 struct list_head midi_list; /* list of midi interfaces */
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
Clemens Ladisch84957a82005-04-29 16:23:13 +020055 struct list_head mixer_list; /* list of mixer interfaces */
Daniel Macke5779992010-03-04 19:46:13 +010056
57 int setup; /* from the 'device_setup' module param */
58 int nrpacks; /* from the 'nrpacks' module param */
Eldad Zackef02e292013-04-03 23:18:56 +020059 bool autoclock; /* from the 'autoclock' module param */
Daniel Mack79f920f2010-05-31 14:51:31 +020060
61 struct usb_host_interface *ctrl_intf; /* the audio control interface */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062};
63
64/*
65 * Information about devices with broken descriptors
66 */
67
68/* special values for .ifnum */
69#define QUIRK_NO_INTERFACE -2
70#define QUIRK_ANY_INTERFACE -1
71
Clemens Ladisch854af952005-07-25 16:19:10 +020072enum quirk_type {
73 QUIRK_IGNORE_INTERFACE,
74 QUIRK_COMPOSITE,
75 QUIRK_MIDI_STANDARD_INTERFACE,
76 QUIRK_MIDI_FIXED_ENDPOINT,
77 QUIRK_MIDI_YAMAHA,
78 QUIRK_MIDI_MIDIMAN,
79 QUIRK_MIDI_NOVATION,
Clemens Ladischc7f57212010-10-22 18:20:48 +020080 QUIRK_MIDI_RAW_BYTES,
Clemens Ladisch854af952005-07-25 16:19:10 +020081 QUIRK_MIDI_EMAGIC,
Clemens Ladischcc7a59b2006-02-07 17:11:06 +010082 QUIRK_MIDI_CME,
Krzysztof Foltman4434ade2010-05-20 20:31:10 +010083 QUIRK_MIDI_AKAI,
Karsten Wiese030a07e2008-07-30 15:13:29 +020084 QUIRK_MIDI_US122L,
Kristian Amlie1ef0e0a2011-08-26 13:19:49 +020085 QUIRK_MIDI_FTDI,
Clemens Ladisch854af952005-07-25 16:19:10 +020086 QUIRK_AUDIO_STANDARD_INTERFACE,
87 QUIRK_AUDIO_FIXED_ENDPOINT,
Pedro Lopez-Cabanillas310e0dc2008-10-04 16:27:36 +020088 QUIRK_AUDIO_EDIROL_UAXX,
John S. Gruber52a7a582009-12-27 12:19:59 -050089 QUIRK_AUDIO_ALIGN_TRANSFER,
Daniel Mack014950b2011-05-25 09:09:02 +020090 QUIRK_AUDIO_STANDARD_MIXER,
Clemens Ladisch854af952005-07-25 16:19:10 +020091
92 QUIRK_TYPE_COUNT
93};
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
Linus Torvalds1da177e2005-04-16 15:20:36 -070095struct snd_usb_audio_quirk {
96 const char *vendor_name;
97 const char *product_name;
98 int16_t ifnum;
Clemens Ladisch854af952005-07-25 16:19:10 +020099 uint16_t type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 const void *data;
101};
102
Julian Anastasovf4950882009-11-06 23:44:53 +0200103#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
105#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
106
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107#endif /* __USBAUDIO_H */