diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /sound/usb/usbaudio.h |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'sound/usb/usbaudio.h')
-rw-r--r-- | sound/usb/usbaudio.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h new file mode 100644 index 00000000000..eecbf19fcb6 --- /dev/null +++ b/sound/usb/usbaudio.h | |||
@@ -0,0 +1,251 @@ | |||
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 | |||
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 | |||
33 | #define CS_AUDIO_UNDEFINED 0x20 | ||
34 | #define CS_AUDIO_DEVICE 0x21 | ||
35 | #define CS_AUDIO_CONFIGURATION 0x22 | ||
36 | #define CS_AUDIO_STRING 0x23 | ||
37 | #define CS_AUDIO_INTERFACE 0x24 | ||
38 | #define CS_AUDIO_ENDPOINT 0x25 | ||
39 | |||
40 | #define HEADER 0x01 | ||
41 | #define INPUT_TERMINAL 0x02 | ||
42 | #define OUTPUT_TERMINAL 0x03 | ||
43 | #define MIXER_UNIT 0x04 | ||
44 | #define SELECTOR_UNIT 0x05 | ||
45 | #define FEATURE_UNIT 0x06 | ||
46 | #define PROCESSING_UNIT 0x07 | ||
47 | #define EXTENSION_UNIT 0x08 | ||
48 | |||
49 | #define AS_GENERAL 0x01 | ||
50 | #define FORMAT_TYPE 0x02 | ||
51 | #define FORMAT_SPECIFIC 0x03 | ||
52 | |||
53 | #define EP_GENERAL 0x01 | ||
54 | |||
55 | #define MS_GENERAL 0x01 | ||
56 | #define MIDI_IN_JACK 0x02 | ||
57 | #define MIDI_OUT_JACK 0x03 | ||
58 | |||
59 | /* endpoint attributes */ | ||
60 | #define EP_ATTR_MASK 0x0c | ||
61 | #define EP_ATTR_ASYNC 0x04 | ||
62 | #define EP_ATTR_ADAPTIVE 0x08 | ||
63 | #define EP_ATTR_SYNC 0x0c | ||
64 | |||
65 | /* cs endpoint attributes */ | ||
66 | #define EP_CS_ATTR_SAMPLE_RATE 0x01 | ||
67 | #define EP_CS_ATTR_PITCH_CONTROL 0x02 | ||
68 | #define EP_CS_ATTR_FILL_MAX 0x80 | ||
69 | |||
70 | /* Audio Class specific Request Codes */ | ||
71 | |||
72 | #define SET_CUR 0x01 | ||
73 | #define GET_CUR 0x81 | ||
74 | #define SET_MIN 0x02 | ||
75 | #define GET_MIN 0x82 | ||
76 | #define SET_MAX 0x03 | ||
77 | #define GET_MAX 0x83 | ||
78 | #define SET_RES 0x04 | ||
79 | #define GET_RES 0x84 | ||
80 | #define SET_MEM 0x05 | ||
81 | #define GET_MEM 0x85 | ||
82 | #define GET_STAT 0xff | ||
83 | |||
84 | /* Terminal Control Selectors */ | ||
85 | |||
86 | #define COPY_PROTECT_CONTROL 0x01 | ||
87 | |||
88 | /* Endpoint Control Selectors */ | ||
89 | |||
90 | #define SAMPLING_FREQ_CONTROL 0x01 | ||
91 | #define PITCH_CONTROL 0x02 | ||
92 | |||
93 | /* Format Types */ | ||
94 | #define USB_FORMAT_TYPE_I 0x01 | ||
95 | #define USB_FORMAT_TYPE_II 0x02 | ||
96 | #define USB_FORMAT_TYPE_III 0x03 | ||
97 | |||
98 | /* type I */ | ||
99 | #define USB_AUDIO_FORMAT_PCM 0x01 | ||
100 | #define USB_AUDIO_FORMAT_PCM8 0x02 | ||
101 | #define USB_AUDIO_FORMAT_IEEE_FLOAT 0x03 | ||
102 | #define USB_AUDIO_FORMAT_ALAW 0x04 | ||
103 | #define USB_AUDIO_FORMAT_MU_LAW 0x05 | ||
104 | |||
105 | /* type II */ | ||
106 | #define USB_AUDIO_FORMAT_MPEG 0x1001 | ||
107 | #define USB_AUDIO_FORMAT_AC3 0x1002 | ||
108 | |||
109 | /* type III */ | ||
110 | #define USB_AUDIO_FORMAT_IEC1937_AC3 0x2001 | ||
111 | #define USB_AUDIO_FORMAT_IEC1937_MPEG1_LAYER1 0x2002 | ||
112 | #define USB_AUDIO_FORMAT_IEC1937_MPEG2_NOEXT 0x2003 | ||
113 | #define USB_AUDIO_FORMAT_IEC1937_MPEG2_EXT 0x2004 | ||
114 | #define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER1_LS 0x2005 | ||
115 | #define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER23_LS 0x2006 | ||
116 | |||
117 | |||
118 | /* maximum number of endpoints per interface */ | ||
119 | #define MIDI_MAX_ENDPOINTS 2 | ||
120 | |||
121 | /* | ||
122 | */ | ||
123 | |||
124 | typedef struct snd_usb_audio snd_usb_audio_t; | ||
125 | |||
126 | struct snd_usb_audio { | ||
127 | int index; | ||
128 | struct usb_device *dev; | ||
129 | snd_card_t *card; | ||
130 | int shutdown; | ||
131 | int num_interfaces; | ||
132 | |||
133 | struct list_head pcm_list; /* list of pcm streams */ | ||
134 | int pcm_devs; | ||
135 | |||
136 | struct list_head midi_list; /* list of midi interfaces */ | ||
137 | int next_midi_device; | ||
138 | |||
139 | unsigned int ignore_ctl_error; /* for mixer */ | ||
140 | }; | ||
141 | |||
142 | /* | ||
143 | * Information about devices with broken descriptors | ||
144 | */ | ||
145 | |||
146 | /* special values for .ifnum */ | ||
147 | #define QUIRK_NO_INTERFACE -2 | ||
148 | #define QUIRK_ANY_INTERFACE -1 | ||
149 | |||
150 | /* quirk type */ | ||
151 | #define QUIRK_MIDI_FIXED_ENDPOINT 0 | ||
152 | #define QUIRK_MIDI_YAMAHA 1 | ||
153 | #define QUIRK_MIDI_MIDIMAN 2 | ||
154 | #define QUIRK_COMPOSITE 3 | ||
155 | #define QUIRK_AUDIO_FIXED_ENDPOINT 4 | ||
156 | #define QUIRK_AUDIO_STANDARD_INTERFACE 5 | ||
157 | #define QUIRK_MIDI_STANDARD_INTERFACE 6 | ||
158 | #define QUIRK_AUDIO_EDIROL_UA700_UA25 7 | ||
159 | #define QUIRK_AUDIO_EDIROL_UA1000 8 | ||
160 | #define QUIRK_IGNORE_INTERFACE 9 | ||
161 | #define QUIRK_MIDI_NOVATION 10 | ||
162 | #define QUIRK_MIDI_MOTU 11 | ||
163 | #define QUIRK_MIDI_EMAGIC 12 | ||
164 | |||
165 | typedef struct snd_usb_audio_quirk snd_usb_audio_quirk_t; | ||
166 | typedef struct snd_usb_midi_endpoint_info snd_usb_midi_endpoint_info_t; | ||
167 | |||
168 | struct snd_usb_audio_quirk { | ||
169 | const char *vendor_name; | ||
170 | const char *product_name; | ||
171 | int16_t ifnum; | ||
172 | int16_t type; | ||
173 | const void *data; | ||
174 | }; | ||
175 | |||
176 | /* data for QUIRK_MIDI_FIXED_ENDPOINT */ | ||
177 | struct snd_usb_midi_endpoint_info { | ||
178 | int8_t out_ep; /* ep number, 0 autodetect */ | ||
179 | uint8_t out_interval; /* interval for interrupt endpoints */ | ||
180 | int8_t in_ep; | ||
181 | uint8_t in_interval; | ||
182 | uint16_t out_cables; /* bitmask */ | ||
183 | uint16_t in_cables; /* bitmask */ | ||
184 | }; | ||
185 | |||
186 | /* for QUIRK_MIDI_YAMAHA, data is NULL */ | ||
187 | |||
188 | /* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info | ||
189 | * structure (out_cables and in_cables only) */ | ||
190 | |||
191 | /* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk | ||
192 | * structures, terminated with .ifnum = -1 */ | ||
193 | |||
194 | /* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */ | ||
195 | |||
196 | /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */ | ||
197 | |||
198 | /* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */ | ||
199 | |||
200 | /* for QUIRK_IGNORE_INTERFACE, data is NULL */ | ||
201 | |||
202 | /* for QUIRK_MIDI_NOVATION and _MOTU, data is NULL */ | ||
203 | |||
204 | /* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info | ||
205 | * structure (out_cables and in_cables only) */ | ||
206 | |||
207 | /* | ||
208 | */ | ||
209 | |||
210 | #define combine_word(s) ((*s) | ((unsigned int)(s)[1] << 8)) | ||
211 | #define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) | ||
212 | #define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) | ||
213 | |||
214 | unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size); | ||
215 | |||
216 | void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype); | ||
217 | void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype); | ||
218 | |||
219 | int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size, int timeout); | ||
220 | |||
221 | int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif); | ||
222 | |||
223 | int snd_usb_create_midi_interface(snd_usb_audio_t *chip, struct usb_interface *iface, const snd_usb_audio_quirk_t *quirk); | ||
224 | void snd_usbmidi_input_stop(struct list_head* p); | ||
225 | void snd_usbmidi_input_start(struct list_head* p); | ||
226 | void snd_usbmidi_disconnect(struct list_head *p, struct usb_driver *driver); | ||
227 | |||
228 | /* | ||
229 | * retrieve usb_interface descriptor from the host interface | ||
230 | * (conditional for compatibility with the older API) | ||
231 | */ | ||
232 | #ifndef get_iface_desc | ||
233 | #define get_iface_desc(iface) (&(iface)->desc) | ||
234 | #define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc) | ||
235 | #define get_ep_desc(ep) (&(ep)->desc) | ||
236 | #define get_cfg_desc(cfg) (&(cfg)->desc) | ||
237 | #endif | ||
238 | |||
239 | #ifndef usb_pipe_needs_resubmit | ||
240 | #define usb_pipe_needs_resubmit(pipe) 1 | ||
241 | #endif | ||
242 | |||
243 | #ifndef snd_usb_complete_callback | ||
244 | #define snd_usb_complete_callback(x) (x) | ||
245 | #endif | ||
246 | |||
247 | #ifndef snd_usb_get_speed | ||
248 | #define snd_usb_get_speed(dev) ((dev)->speed) | ||
249 | #endif | ||
250 | |||
251 | #endif /* __USBAUDIO_H */ | ||