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1#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
24/* 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
29/*
30 *
31 */
32
33struct snd_usb_audio {
34 int index;
35 struct usb_device *dev;
36 struct snd_card *card;
37 struct usb_interface *pm_intf;
38 u32 usb_id;
39 struct mutex mutex;
40 struct mutex shutdown_mutex;
41 unsigned int shutdown:1;
42 unsigned int probing:1;
43 unsigned int autosuspended:1;
44 unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
45
46 int num_interfaces;
47 int num_suspended_intf;
48
49 struct list_head pcm_list; /* list of pcm streams */
50 struct list_head ep_list; /* list of audio-related endpoints */
51 int pcm_devs;
52
53 struct list_head midi_list; /* list of midi interfaces */
54
55 struct list_head mixer_list; /* list of mixer interfaces */
56
57 int setup; /* from the 'device_setup' module param */
58 int nrpacks; /* from the 'nrpacks' module param */
59 int async_unlink; /* from the 'async_unlink' module param */
60
61 struct usb_host_interface *ctrl_intf; /* the audio control interface */
62};
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
72enum 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,
80 QUIRK_MIDI_RAW_BYTES,
81 QUIRK_MIDI_EMAGIC,
82 QUIRK_MIDI_CME,
83 QUIRK_MIDI_AKAI,
84 QUIRK_MIDI_US122L,
85 QUIRK_MIDI_FTDI,
86 QUIRK_AUDIO_STANDARD_INTERFACE,
87 QUIRK_AUDIO_FIXED_ENDPOINT,
88 QUIRK_AUDIO_EDIROL_UAXX,
89 QUIRK_AUDIO_ALIGN_TRANSFER,
90 QUIRK_AUDIO_STANDARD_MIXER,
91
92 QUIRK_TYPE_COUNT
93};
94
95struct snd_usb_audio_quirk {
96 const char *vendor_name;
97 const char *product_name;
98 int16_t ifnum;
99 uint16_t type;
100 const void *data;
101};
102
103#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
104#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
107#endif /* __USBAUDIO_H */
1#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
24/* 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
29/*
30 *
31 */
32
33struct snd_usb_audio {
34 int index;
35 struct usb_device *dev;
36 struct snd_card *card;
37 struct usb_interface *pm_intf;
38 u32 usb_id;
39 struct mutex shutdown_mutex;
40 unsigned int shutdown:1;
41 unsigned int probing:1;
42 unsigned int autosuspended:1;
43 unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
44
45 int num_interfaces;
46 int num_suspended_intf;
47
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 */
52
53 struct list_head mixer_list; /* list of mixer interfaces */
54
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 */
58
59 struct usb_host_interface *ctrl_intf; /* the audio control interface */
60};
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
70enum 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,
78 QUIRK_MIDI_RAW_BYTES,
79 QUIRK_MIDI_EMAGIC,
80 QUIRK_MIDI_CME,
81 QUIRK_MIDI_AKAI,
82 QUIRK_MIDI_US122L,
83 QUIRK_AUDIO_STANDARD_INTERFACE,
84 QUIRK_AUDIO_FIXED_ENDPOINT,
85 QUIRK_AUDIO_EDIROL_UAXX,
86 QUIRK_AUDIO_ALIGN_TRANSFER,
87 QUIRK_AUDIO_STANDARD_MIXER,
88
89 QUIRK_TYPE_COUNT
90};
91
92struct snd_usb_audio_quirk {
93 const char *vendor_name;
94 const char *product_name;
95 int16_t ifnum;
96 uint16_t type;
97 const void *data;
98};
99
100#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
101#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
104#endif /* __USBAUDIO_H */