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1da177e4 LT |
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 | ||
27d10f56 CL |
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 | ||
1da177e4 | 29 | /* |
e5779998 | 30 | * |
1da177e4 LT |
31 | */ |
32 | ||
1da177e4 LT |
33 | struct snd_usb_audio { |
34 | int index; | |
35 | struct usb_device *dev; | |
86e07d34 | 36 | struct snd_card *card; |
27d10f56 | 37 | u32 usb_id; |
1da177e4 | 38 | int shutdown; |
98e89f60 | 39 | unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ |
1da177e4 | 40 | int num_interfaces; |
f85bf29c | 41 | int num_suspended_intf; |
1da177e4 LT |
42 | |
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 */ | |
1da177e4 | 47 | |
84957a8a | 48 | struct list_head mixer_list; /* list of mixer interfaces */ |
e5779998 DM |
49 | |
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 */ | |
79f920fb DM |
53 | |
54 | struct usb_host_interface *ctrl_intf; /* the audio control interface */ | |
1da177e4 LT |
55 | }; |
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 | ||
854af957 CL |
65 | enum 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, | |
55de5ef9 | 73 | QUIRK_MIDI_FASTLANE, |
854af957 | 74 | QUIRK_MIDI_EMAGIC, |
cc7a59bd | 75 | QUIRK_MIDI_CME, |
4434ade8 | 76 | QUIRK_MIDI_AKAI, |
030a07e4 | 77 | QUIRK_MIDI_US122L, |
854af957 CL |
78 | QUIRK_AUDIO_STANDARD_INTERFACE, |
79 | QUIRK_AUDIO_FIXED_ENDPOINT, | |
310e0dc0 | 80 | QUIRK_AUDIO_EDIROL_UAXX, |
52a7a583 | 81 | QUIRK_AUDIO_ALIGN_TRANSFER, |
854af957 CL |
82 | |
83 | QUIRK_TYPE_COUNT | |
84 | }; | |
1da177e4 | 85 | |
1da177e4 LT |
86 | struct snd_usb_audio_quirk { |
87 | const char *vendor_name; | |
88 | const char *product_name; | |
89 | int16_t ifnum; | |
854af957 | 90 | uint16_t type; |
1da177e4 LT |
91 | const void *data; |
92 | }; | |
93 | ||
f4950882 | 94 | #define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8)) |
1da177e4 LT |
95 | #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 | ||
1da177e4 | 98 | #endif /* __USBAUDIO_H */ |