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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
25/*
26 */
27
28#define USB_SUBCLASS_AUDIO_CONTROL 0x01
29#define USB_SUBCLASS_AUDIO_STREAMING 0x02
30#define USB_SUBCLASS_MIDI_STREAMING 0x03
31#define USB_SUBCLASS_VENDOR_SPEC 0xff
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#define HEADER 0x01
34#define INPUT_TERMINAL 0x02
35#define OUTPUT_TERMINAL 0x03
36#define MIXER_UNIT 0x04
37#define SELECTOR_UNIT 0x05
38#define FEATURE_UNIT 0x06
39#define PROCESSING_UNIT 0x07
40#define EXTENSION_UNIT 0x08
41
42#define AS_GENERAL 0x01
43#define FORMAT_TYPE 0x02
44#define FORMAT_SPECIFIC 0x03
45
46#define EP_GENERAL 0x01
47
48#define MS_GENERAL 0x01
49#define MIDI_IN_JACK 0x02
50#define MIDI_OUT_JACK 0x03
51
52/* endpoint attributes */
53#define EP_ATTR_MASK 0x0c
54#define EP_ATTR_ASYNC 0x04
55#define EP_ATTR_ADAPTIVE 0x08
56#define EP_ATTR_SYNC 0x0c
57
58/* cs endpoint attributes */
59#define EP_CS_ATTR_SAMPLE_RATE 0x01
60#define EP_CS_ATTR_PITCH_CONTROL 0x02
61#define EP_CS_ATTR_FILL_MAX 0x80
62
63/* Audio Class specific Request Codes */
64
65#define SET_CUR 0x01
66#define GET_CUR 0x81
67#define SET_MIN 0x02
68#define GET_MIN 0x82
69#define SET_MAX 0x03
70#define GET_MAX 0x83
71#define SET_RES 0x04
72#define GET_RES 0x84
73#define SET_MEM 0x05
74#define GET_MEM 0x85
75#define GET_STAT 0xff
76
77/* Terminal Control Selectors */
78
79#define COPY_PROTECT_CONTROL 0x01
80
81/* Endpoint Control Selectors */
82
83#define SAMPLING_FREQ_CONTROL 0x01
84#define PITCH_CONTROL 0x02
85
86/* Format Types */
87#define USB_FORMAT_TYPE_I 0x01
88#define USB_FORMAT_TYPE_II 0x02
89#define USB_FORMAT_TYPE_III 0x03
90
91/* type I */
92#define USB_AUDIO_FORMAT_PCM 0x01
93#define USB_AUDIO_FORMAT_PCM8 0x02
94#define USB_AUDIO_FORMAT_IEEE_FLOAT 0x03
95#define USB_AUDIO_FORMAT_ALAW 0x04
96#define USB_AUDIO_FORMAT_MU_LAW 0x05
97
98/* type II */
99#define USB_AUDIO_FORMAT_MPEG 0x1001
100#define USB_AUDIO_FORMAT_AC3 0x1002
101
102/* type III */
103#define USB_AUDIO_FORMAT_IEC1937_AC3 0x2001
104#define USB_AUDIO_FORMAT_IEC1937_MPEG1_LAYER1 0x2002
105#define USB_AUDIO_FORMAT_IEC1937_MPEG2_NOEXT 0x2003
106#define USB_AUDIO_FORMAT_IEC1937_MPEG2_EXT 0x2004
107#define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER1_LS 0x2005
108#define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER23_LS 0x2006
109
110
111/* maximum number of endpoints per interface */
112#define MIDI_MAX_ENDPOINTS 2
113
Clemens Ladisch27d10f52005-05-02 08:51:26 +0200114/* handling of USB vendor/product ID pairs as 32-bit numbers */
115#define USB_ID(vendor, product) (((vendor) << 16) | (product))
116#define USB_ID_VENDOR(id) ((id) >> 16)
117#define USB_ID_PRODUCT(id) ((u16)(id))
118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119/*
120 */
121
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122struct snd_usb_audio {
123 int index;
124 struct usb_device *dev;
Takashi Iwai86e07d32005-11-17 15:08:02 +0100125 struct snd_card *card;
Clemens Ladisch27d10f52005-05-02 08:51:26 +0200126 u32 usb_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 int shutdown;
128 int num_interfaces;
Oliver Neukumf85bf292007-12-14 14:42:41 +0100129 int num_suspended_intf;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130
131 struct list_head pcm_list; /* list of pcm streams */
132 int pcm_devs;
133
134 struct list_head midi_list; /* list of midi interfaces */
135 int next_midi_device;
136
Clemens Ladisch84957a82005-04-29 16:23:13 +0200137 struct list_head mixer_list; /* list of mixer interfaces */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138};
139
140/*
141 * Information about devices with broken descriptors
142 */
143
144/* special values for .ifnum */
145#define QUIRK_NO_INTERFACE -2
146#define QUIRK_ANY_INTERFACE -1
147
Clemens Ladisch854af952005-07-25 16:19:10 +0200148enum quirk_type {
149 QUIRK_IGNORE_INTERFACE,
150 QUIRK_COMPOSITE,
151 QUIRK_MIDI_STANDARD_INTERFACE,
152 QUIRK_MIDI_FIXED_ENDPOINT,
153 QUIRK_MIDI_YAMAHA,
154 QUIRK_MIDI_MIDIMAN,
155 QUIRK_MIDI_NOVATION,
156 QUIRK_MIDI_RAW,
157 QUIRK_MIDI_EMAGIC,
Clemens Ladischcc7a59b2006-02-07 17:11:06 +0100158 QUIRK_MIDI_CME,
Karsten Wiese030a07e2008-07-30 15:13:29 +0200159 QUIRK_MIDI_US122L,
Clemens Ladisch854af952005-07-25 16:19:10 +0200160 QUIRK_AUDIO_STANDARD_INTERFACE,
161 QUIRK_AUDIO_FIXED_ENDPOINT,
Clemens Ladisch854af952005-07-25 16:19:10 +0200162 QUIRK_AUDIO_EDIROL_UA1000,
Bjoern Fayd0b0fac2007-02-05 12:27:21 +0100163 QUIRK_AUDIO_EDIROL_UA101,
Pedro Lopez-Cabanillas310e0dc2008-10-04 16:27:36 +0200164 QUIRK_AUDIO_EDIROL_UAXX,
Clemens Ladisch854af952005-07-25 16:19:10 +0200165
166 QUIRK_TYPE_COUNT
167};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169struct snd_usb_audio_quirk {
170 const char *vendor_name;
171 const char *product_name;
172 int16_t ifnum;
Clemens Ladisch854af952005-07-25 16:19:10 +0200173 uint16_t type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 const void *data;
175};
176
177/* data for QUIRK_MIDI_FIXED_ENDPOINT */
178struct snd_usb_midi_endpoint_info {
179 int8_t out_ep; /* ep number, 0 autodetect */
180 uint8_t out_interval; /* interval for interrupt endpoints */
181 int8_t in_ep;
182 uint8_t in_interval;
183 uint16_t out_cables; /* bitmask */
184 uint16_t in_cables; /* bitmask */
185};
186
187/* for QUIRK_MIDI_YAMAHA, data is NULL */
188
189/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
190 * structure (out_cables and in_cables only) */
191
192/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
193 * structures, terminated with .ifnum = -1 */
194
195/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
196
197/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
198
199/* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
200
201/* for QUIRK_IGNORE_INTERFACE, data is NULL */
202
Clemens Ladisch6155aff2005-07-04 09:20:42 +0200203/* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204
205/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
206 * structure (out_cables and in_cables only) */
207
Clemens Ladischcc7a59b2006-02-07 17:11:06 +0100208/* for QUIRK_MIDI_CME, data is NULL */
Clemens Ladischf38275f2005-07-25 16:17:29 +0200209
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210/*
211 */
212
213#define combine_word(s) ((*s) | ((unsigned int)(s)[1] << 8))
214#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
215#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
216
217unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
218
219void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
220void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);
221
Takashi Iwai86e07d32005-11-17 15:08:02 +0100222int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
223 __u8 request, __u8 requesttype, __u16 value, __u16 index,
224 void *data, __u16 size, int timeout);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225
Takashi Iwai7a9b8062008-08-13 15:40:53 +0200226int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
227 int ignore_error);
Clemens Ladisch84957a82005-04-29 16:23:13 +0200228void snd_usb_mixer_disconnect(struct list_head *p);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229
Takashi Iwai86e07d32005-11-17 15:08:02 +0100230int snd_usb_create_midi_interface(struct snd_usb_audio *chip, struct usb_interface *iface,
231 const struct snd_usb_audio_quirk *quirk);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232void snd_usbmidi_input_stop(struct list_head* p);
233void snd_usbmidi_input_start(struct list_head* p);
Clemens Ladischee733392005-04-25 10:34:13 +0200234void snd_usbmidi_disconnect(struct list_head *p);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235
236/*
237 * retrieve usb_interface descriptor from the host interface
238 * (conditional for compatibility with the older API)
239 */
240#ifndef get_iface_desc
241#define get_iface_desc(iface) (&(iface)->desc)
242#define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc)
243#define get_ep_desc(ep) (&(ep)->desc)
244#define get_cfg_desc(cfg) (&(cfg)->desc)
245#endif
246
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247#ifndef snd_usb_get_speed
248#define snd_usb_get_speed(dev) ((dev)->speed)
249#endif
250
251#endif /* __USBAUDIO_H */