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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 | ||
1da177e4 LT |
24 | /* maximum number of endpoints per interface */ |
25 | #define MIDI_MAX_ENDPOINTS 2 | |
26 | ||
27d10f56 CL |
27 | /* handling of USB vendor/product ID pairs as 32-bit numbers */ |
28 | #define USB_ID(vendor, product) (((vendor) << 16) | (product)) | |
29 | #define USB_ID_VENDOR(id) ((id) >> 16) | |
30 | #define USB_ID_PRODUCT(id) ((u16)(id)) | |
31 | ||
1da177e4 LT |
32 | /* |
33 | */ | |
34 | ||
1da177e4 LT |
35 | struct snd_usb_audio { |
36 | int index; | |
37 | struct usb_device *dev; | |
86e07d34 | 38 | struct snd_card *card; |
27d10f56 | 39 | u32 usb_id; |
1da177e4 | 40 | int shutdown; |
98e89f60 | 41 | unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ |
1da177e4 | 42 | int num_interfaces; |
f85bf29c | 43 | int num_suspended_intf; |
1da177e4 | 44 | |
53ee98fe DM |
45 | /* for audio class v2 */ |
46 | int clock_id; | |
47 | ||
1da177e4 LT |
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 */ | |
1da177e4 | 52 | |
84957a8a | 53 | struct list_head mixer_list; /* list of mixer interfaces */ |
1da177e4 LT |
54 | }; |
55 | ||
56 | /* | |
57 | * Information about devices with broken descriptors | |
58 | */ | |
59 | ||
60 | /* special values for .ifnum */ | |
61 | #define QUIRK_NO_INTERFACE -2 | |
62 | #define QUIRK_ANY_INTERFACE -1 | |
63 | ||
854af957 CL |
64 | enum quirk_type { |
65 | QUIRK_IGNORE_INTERFACE, | |
66 | QUIRK_COMPOSITE, | |
67 | QUIRK_MIDI_STANDARD_INTERFACE, | |
68 | QUIRK_MIDI_FIXED_ENDPOINT, | |
69 | QUIRK_MIDI_YAMAHA, | |
70 | QUIRK_MIDI_MIDIMAN, | |
71 | QUIRK_MIDI_NOVATION, | |
55de5ef9 | 72 | QUIRK_MIDI_FASTLANE, |
854af957 | 73 | QUIRK_MIDI_EMAGIC, |
cc7a59bd | 74 | QUIRK_MIDI_CME, |
030a07e4 | 75 | QUIRK_MIDI_US122L, |
854af957 CL |
76 | QUIRK_AUDIO_STANDARD_INTERFACE, |
77 | QUIRK_AUDIO_FIXED_ENDPOINT, | |
310e0dc0 | 78 | QUIRK_AUDIO_EDIROL_UAXX, |
52a7a583 | 79 | QUIRK_AUDIO_ALIGN_TRANSFER, |
854af957 CL |
80 | |
81 | QUIRK_TYPE_COUNT | |
82 | }; | |
1da177e4 | 83 | |
1da177e4 LT |
84 | struct snd_usb_audio_quirk { |
85 | const char *vendor_name; | |
86 | const char *product_name; | |
87 | int16_t ifnum; | |
854af957 | 88 | uint16_t type; |
1da177e4 LT |
89 | const void *data; |
90 | }; | |
91 | ||
92 | /* data for QUIRK_MIDI_FIXED_ENDPOINT */ | |
93 | struct snd_usb_midi_endpoint_info { | |
94 | int8_t out_ep; /* ep number, 0 autodetect */ | |
95 | uint8_t out_interval; /* interval for interrupt endpoints */ | |
96 | int8_t in_ep; | |
97 | uint8_t in_interval; | |
98 | uint16_t out_cables; /* bitmask */ | |
99 | uint16_t in_cables; /* bitmask */ | |
100 | }; | |
101 | ||
102 | /* for QUIRK_MIDI_YAMAHA, data is NULL */ | |
103 | ||
104 | /* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info | |
105 | * structure (out_cables and in_cables only) */ | |
106 | ||
107 | /* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk | |
108 | * structures, terminated with .ifnum = -1 */ | |
109 | ||
110 | /* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */ | |
111 | ||
112 | /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */ | |
113 | ||
e584bc3c | 114 | /* for QUIRK_AUDIO_EDIROL_UAXX, data is NULL */ |
1da177e4 LT |
115 | |
116 | /* for QUIRK_IGNORE_INTERFACE, data is NULL */ | |
117 | ||
6155aff8 | 118 | /* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */ |
1da177e4 LT |
119 | |
120 | /* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info | |
121 | * structure (out_cables and in_cables only) */ | |
122 | ||
cc7a59bd | 123 | /* for QUIRK_MIDI_CME, data is NULL */ |
f38275fe | 124 | |
1da177e4 LT |
125 | /* |
126 | */ | |
127 | ||
7d2b451e SK |
128 | /*E-mu USB samplerate control quirk*/ |
129 | enum { | |
130 | EMU_QUIRK_SR_44100HZ = 0, | |
131 | EMU_QUIRK_SR_48000HZ, | |
132 | EMU_QUIRK_SR_88200HZ, | |
133 | EMU_QUIRK_SR_96000HZ, | |
134 | EMU_QUIRK_SR_176400HZ, | |
135 | EMU_QUIRK_SR_192000HZ | |
136 | }; | |
137 | ||
f4950882 | 138 | #define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8)) |
1da177e4 LT |
139 | #define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) |
140 | #define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) | |
141 | ||
142 | unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size); | |
143 | ||
144 | void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype); | |
145 | void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype); | |
146 | ||
86e07d34 TI |
147 | int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, |
148 | __u8 request, __u8 requesttype, __u16 value, __u16 index, | |
149 | void *data, __u16 size, int timeout); | |
1da177e4 | 150 | |
7a9b8063 TI |
151 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
152 | int ignore_error); | |
84957a8a | 153 | void snd_usb_mixer_disconnect(struct list_head *p); |
1da177e4 | 154 | |
d82af9f9 CL |
155 | int snd_usbmidi_create(struct snd_card *card, |
156 | struct usb_interface *iface, | |
157 | struct list_head *midi_list, | |
158 | const struct snd_usb_audio_quirk *quirk); | |
1da177e4 LT |
159 | void snd_usbmidi_input_stop(struct list_head* p); |
160 | void snd_usbmidi_input_start(struct list_head* p); | |
ee733397 | 161 | void snd_usbmidi_disconnect(struct list_head *p); |
1da177e4 | 162 | |
7d2b451e SK |
163 | void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, |
164 | unsigned char samplerate_id); | |
165 | ||
1da177e4 LT |
166 | /* |
167 | * retrieve usb_interface descriptor from the host interface | |
168 | * (conditional for compatibility with the older API) | |
169 | */ | |
170 | #ifndef get_iface_desc | |
171 | #define get_iface_desc(iface) (&(iface)->desc) | |
172 | #define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc) | |
173 | #define get_ep_desc(ep) (&(ep)->desc) | |
174 | #define get_cfg_desc(cfg) (&(cfg)->desc) | |
175 | #endif | |
176 | ||
1da177e4 LT |
177 | #ifndef snd_usb_get_speed |
178 | #define snd_usb_get_speed(dev) ((dev)->speed) | |
179 | #endif | |
180 | ||
181 | #endif /* __USBAUDIO_H */ |