2005-04-17 00:20:36 +02:00
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#ifndef __USBAUDIO_H
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#define __USBAUDIO_H
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/*
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* (Tentative) USB Audio Driver for ALSA
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2005-05-02 08:51:26 +02:00
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/* handling of USB vendor/product ID pairs as 32-bit numbers */
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#define USB_ID(vendor, product) (((vendor) << 16) | (product))
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#define USB_ID_VENDOR(id) ((id) >> 16)
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#define USB_ID_PRODUCT(id) ((u16)(id))
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2005-04-17 00:20:36 +02:00
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/*
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2010-03-04 19:46:13 +01:00
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*
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2005-04-17 00:20:36 +02:00
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*/
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struct snd_usb_audio {
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int index;
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struct usb_device *dev;
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2005-11-17 15:08:02 +01:00
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struct snd_card *card;
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2011-03-11 14:51:12 +01:00
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struct usb_interface *pm_intf;
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2005-05-02 08:51:26 +02:00
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u32 usb_id;
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2012-04-12 13:51:10 +02:00
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struct mutex mutex;
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2012-10-15 12:16:02 +02:00
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struct rw_semaphore shutdown_rwsem;
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2011-03-11 14:51:12 +01:00
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unsigned int shutdown:1;
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unsigned int probing:1;
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unsigned int autosuspended:1;
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2009-12-27 18:19:58 +01:00
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unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
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2011-03-11 14:51:12 +01:00
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2005-04-17 00:20:36 +02:00
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int num_interfaces;
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2007-12-14 14:42:41 +01:00
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int num_suspended_intf;
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2005-04-17 00:20:36 +02:00
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struct list_head pcm_list; /* list of pcm streams */
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2012-04-12 13:51:11 +02:00
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struct list_head ep_list; /* list of audio-related endpoints */
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2005-04-17 00:20:36 +02:00
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int pcm_devs;
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struct list_head midi_list; /* list of midi interfaces */
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2005-04-29 16:23:13 +02:00
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struct list_head mixer_list; /* list of mixer interfaces */
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2010-03-04 19:46:13 +01:00
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int setup; /* from the 'device_setup' module param */
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int nrpacks; /* from the 'nrpacks' module param */
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2013-04-03 23:18:56 +02:00
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bool autoclock; /* from the 'autoclock' module param */
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2010-05-31 14:51:31 +02:00
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struct usb_host_interface *ctrl_intf; /* the audio control interface */
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2005-04-17 00:20:36 +02:00
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};
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/*
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* Information about devices with broken descriptors
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*/
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/* special values for .ifnum */
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#define QUIRK_NO_INTERFACE -2
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#define QUIRK_ANY_INTERFACE -1
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2005-07-25 16:19:10 +02:00
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enum quirk_type {
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QUIRK_IGNORE_INTERFACE,
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QUIRK_COMPOSITE,
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2013-03-31 23:43:12 +02:00
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QUIRK_AUTODETECT,
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2005-07-25 16:19:10 +02:00
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QUIRK_MIDI_STANDARD_INTERFACE,
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QUIRK_MIDI_FIXED_ENDPOINT,
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QUIRK_MIDI_YAMAHA,
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2013-03-31 23:43:12 +02:00
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QUIRK_MIDI_ROLAND,
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2005-07-25 16:19:10 +02:00
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QUIRK_MIDI_MIDIMAN,
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QUIRK_MIDI_NOVATION,
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2010-10-22 18:20:48 +02:00
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QUIRK_MIDI_RAW_BYTES,
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2005-07-25 16:19:10 +02:00
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QUIRK_MIDI_EMAGIC,
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2006-02-07 17:11:06 +01:00
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QUIRK_MIDI_CME,
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2010-05-20 21:31:10 +02:00
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QUIRK_MIDI_AKAI,
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2008-07-30 15:13:29 +02:00
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QUIRK_MIDI_US122L,
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2011-08-26 13:19:49 +02:00
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QUIRK_MIDI_FTDI,
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2005-07-25 16:19:10 +02:00
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QUIRK_AUDIO_STANDARD_INTERFACE,
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QUIRK_AUDIO_FIXED_ENDPOINT,
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2008-10-04 16:27:36 +02:00
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QUIRK_AUDIO_EDIROL_UAXX,
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2009-12-27 18:19:59 +01:00
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QUIRK_AUDIO_ALIGN_TRANSFER,
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2011-05-25 09:09:02 +02:00
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QUIRK_AUDIO_STANDARD_MIXER,
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2005-07-25 16:19:10 +02:00
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QUIRK_TYPE_COUNT
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};
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2005-04-17 00:20:36 +02:00
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struct snd_usb_audio_quirk {
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const char *vendor_name;
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const char *product_name;
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int16_t ifnum;
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2005-07-25 16:19:10 +02:00
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uint16_t type;
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2005-04-17 00:20:36 +02:00
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const void *data;
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};
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2009-11-06 22:44:53 +01:00
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#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
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2005-04-17 00:20:36 +02:00
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#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
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#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
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#endif /* __USBAUDIO_H */
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