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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 LT |
29 | /* |
30 | */ | |
31 | ||
1da177e4 LT |
32 | struct snd_usb_audio { |
33 | int index; | |
34 | struct usb_device *dev; | |
86e07d34 | 35 | struct snd_card *card; |
27d10f56 | 36 | u32 usb_id; |
1da177e4 | 37 | int shutdown; |
98e89f60 | 38 | unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ |
1da177e4 | 39 | int num_interfaces; |
f85bf29c | 40 | int num_suspended_intf; |
1da177e4 | 41 | |
53ee98fe DM |
42 | /* for audio class v2 */ |
43 | int clock_id; | |
44 | ||
1da177e4 LT |
45 | struct list_head pcm_list; /* list of pcm streams */ |
46 | int pcm_devs; | |
47 | ||
48 | struct list_head midi_list; /* list of midi interfaces */ | |
1da177e4 | 49 | |
84957a8a | 50 | struct list_head mixer_list; /* list of mixer interfaces */ |
1da177e4 LT |
51 | }; |
52 | ||
53 | /* | |
54 | * Information about devices with broken descriptors | |
55 | */ | |
56 | ||
57 | /* special values for .ifnum */ | |
58 | #define QUIRK_NO_INTERFACE -2 | |
59 | #define QUIRK_ANY_INTERFACE -1 | |
60 | ||
854af957 CL |
61 | enum quirk_type { |
62 | QUIRK_IGNORE_INTERFACE, | |
63 | QUIRK_COMPOSITE, | |
64 | QUIRK_MIDI_STANDARD_INTERFACE, | |
65 | QUIRK_MIDI_FIXED_ENDPOINT, | |
66 | QUIRK_MIDI_YAMAHA, | |
67 | QUIRK_MIDI_MIDIMAN, | |
68 | QUIRK_MIDI_NOVATION, | |
55de5ef9 | 69 | QUIRK_MIDI_FASTLANE, |
854af957 | 70 | QUIRK_MIDI_EMAGIC, |
cc7a59bd | 71 | QUIRK_MIDI_CME, |
030a07e4 | 72 | QUIRK_MIDI_US122L, |
854af957 CL |
73 | QUIRK_AUDIO_STANDARD_INTERFACE, |
74 | QUIRK_AUDIO_FIXED_ENDPOINT, | |
310e0dc0 | 75 | QUIRK_AUDIO_EDIROL_UAXX, |
52a7a583 | 76 | QUIRK_AUDIO_ALIGN_TRANSFER, |
854af957 CL |
77 | |
78 | QUIRK_TYPE_COUNT | |
79 | }; | |
1da177e4 | 80 | |
1da177e4 LT |
81 | struct snd_usb_audio_quirk { |
82 | const char *vendor_name; | |
83 | const char *product_name; | |
84 | int16_t ifnum; | |
854af957 | 85 | uint16_t type; |
1da177e4 LT |
86 | const void *data; |
87 | }; | |
88 | ||
1da177e4 LT |
89 | /* |
90 | */ | |
91 | ||
7d2b451e SK |
92 | /*E-mu USB samplerate control quirk*/ |
93 | enum { | |
94 | EMU_QUIRK_SR_44100HZ = 0, | |
95 | EMU_QUIRK_SR_48000HZ, | |
96 | EMU_QUIRK_SR_88200HZ, | |
97 | EMU_QUIRK_SR_96000HZ, | |
98 | EMU_QUIRK_SR_176400HZ, | |
99 | EMU_QUIRK_SR_192000HZ | |
100 | }; | |
101 | ||
f4950882 | 102 | #define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8)) |
1da177e4 LT |
103 | #define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) |
104 | #define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) | |
105 | ||
106 | unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size); | |
107 | ||
108 | void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype); | |
109 | void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype); | |
110 | ||
86e07d34 TI |
111 | int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, |
112 | __u8 request, __u8 requesttype, __u16 value, __u16 index, | |
113 | void *data, __u16 size, int timeout); | |
1da177e4 | 114 | |
1da177e4 LT |
115 | /* |
116 | * retrieve usb_interface descriptor from the host interface | |
117 | * (conditional for compatibility with the older API) | |
118 | */ | |
119 | #ifndef get_iface_desc | |
120 | #define get_iface_desc(iface) (&(iface)->desc) | |
121 | #define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc) | |
122 | #define get_ep_desc(ep) (&(ep)->desc) | |
123 | #define get_cfg_desc(cfg) (&(cfg)->desc) | |
124 | #endif | |
125 | ||
1da177e4 LT |
126 | #ifndef snd_usb_get_speed |
127 | #define snd_usb_get_speed(dev) ((dev)->speed) | |
128 | #endif | |
129 | ||
130 | #endif /* __USBAUDIO_H */ |