1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2010 Daniel Mack <daniel@caiaq.de> |
4 | * |
5 | * This file holds USB constants and structures defined |
6 | * by the USB Device Class Definition for Audio Devices in version 2.0. |
7 | * Comments below reference relevant sections of the documents contained |
8 | * in http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip |
9 | */ |
10 | |
11 | #ifndef __LINUX_USB_AUDIO_V2_H |
12 | #define __LINUX_USB_AUDIO_V2_H |
13 | |
14 | #include <linux/types.h> |
15 | |
16 | /* v1.0 and v2.0 of this standard have many things in common. For the rest |
17 | * of the definitions, please refer to audio.h */ |
18 | |
19 | /* |
20 | * bmControl field decoders |
21 | * |
22 | * From the USB Audio spec v2.0: |
23 | * |
24 | * bmaControls() is a (ch+1)-element array of 4-byte bitmaps, |
25 | * each containing a set of bit pairs. If a Control is present, |
26 | * it must be Host readable. If a certain Control is not |
27 | * present then the bit pair must be set to 0b00. |
28 | * If a Control is present but read-only, the bit pair must be |
29 | * set to 0b01. If a Control is also Host programmable, the bit |
30 | * pair must be set to 0b11. The value 0b10 is not allowed. |
31 | * |
32 | */ |
33 | |
34 | static inline bool uac_v2v3_control_is_readable(u32 bmControls, u8 control) |
35 | { |
36 | return (bmControls >> ((control - 1) * 2)) & 0x1; |
37 | } |
38 | |
39 | static inline bool uac_v2v3_control_is_writeable(u32 bmControls, u8 control) |
40 | { |
41 | return (bmControls >> ((control - 1) * 2)) & 0x2; |
42 | } |
43 | |
44 | /* 4.7.2 Class-Specific AC Interface Descriptor */ |
45 | struct { |
46 | __u8 ; /* 9 */ |
47 | __u8 ; /* USB_DT_CS_INTERFACE */ |
48 | __u8 ; /* UAC_MS_HEADER */ |
49 | __le16 ; /* 0x0200 */ |
50 | __u8 ; |
51 | __le16 ; /* includes Unit and Terminal desc. */ |
52 | __u8 ; |
53 | } __packed; |
54 | |
55 | /* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/ |
56 | struct uac2_format_type_i_descriptor { |
57 | __u8 bLength; /* in bytes: 6 */ |
58 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ |
59 | __u8 bDescriptorSubtype; /* FORMAT_TYPE */ |
60 | __u8 bFormatType; /* FORMAT_TYPE_1 */ |
61 | __u8 bSubslotSize; /* {1,2,3,4} */ |
62 | __u8 bBitResolution; |
63 | } __packed; |
64 | |
65 | /* 4.7.2.1 Clock Source Descriptor */ |
66 | |
67 | struct uac_clock_source_descriptor { |
68 | __u8 bLength; |
69 | __u8 bDescriptorType; |
70 | __u8 bDescriptorSubtype; |
71 | __u8 bClockID; |
72 | __u8 bmAttributes; |
73 | __u8 bmControls; |
74 | __u8 bAssocTerminal; |
75 | __u8 iClockSource; |
76 | } __attribute__((packed)); |
77 | |
78 | /* bmAttribute fields */ |
79 | #define UAC_CLOCK_SOURCE_TYPE_EXT 0x0 |
80 | #define UAC_CLOCK_SOURCE_TYPE_INT_FIXED 0x1 |
81 | #define UAC_CLOCK_SOURCE_TYPE_INT_VAR 0x2 |
82 | #define UAC_CLOCK_SOURCE_TYPE_INT_PROG 0x3 |
83 | #define UAC_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 2) |
84 | |
85 | /* 4.7.2.2 Clock Source Descriptor */ |
86 | |
87 | struct uac_clock_selector_descriptor { |
88 | __u8 bLength; |
89 | __u8 bDescriptorType; |
90 | __u8 bDescriptorSubtype; |
91 | __u8 bClockID; |
92 | __u8 bNrInPins; |
93 | __u8 baCSourceID[]; |
94 | /* bmControls and iClockSource omitted */ |
95 | } __attribute__((packed)); |
96 | |
97 | /* 4.7.2.3 Clock Multiplier Descriptor */ |
98 | |
99 | struct uac_clock_multiplier_descriptor { |
100 | __u8 bLength; |
101 | __u8 bDescriptorType; |
102 | __u8 bDescriptorSubtype; |
103 | __u8 bClockID; |
104 | __u8 bCSourceID; |
105 | __u8 bmControls; |
106 | __u8 iClockMultiplier; |
107 | } __attribute__((packed)); |
108 | |
109 | /* 4.7.2.4 Input terminal descriptor */ |
110 | |
111 | struct uac2_input_terminal_descriptor { |
112 | __u8 bLength; |
113 | __u8 bDescriptorType; |
114 | __u8 bDescriptorSubtype; |
115 | __u8 bTerminalID; |
116 | __le16 wTerminalType; |
117 | __u8 bAssocTerminal; |
118 | __u8 bCSourceID; |
119 | __u8 bNrChannels; |
120 | __le32 bmChannelConfig; |
121 | __u8 iChannelNames; |
122 | __le16 bmControls; |
123 | __u8 iTerminal; |
124 | } __attribute__((packed)); |
125 | |
126 | /* 4.7.2.5 Output terminal descriptor */ |
127 | |
128 | struct uac2_output_terminal_descriptor { |
129 | __u8 bLength; |
130 | __u8 bDescriptorType; |
131 | __u8 bDescriptorSubtype; |
132 | __u8 bTerminalID; |
133 | __le16 wTerminalType; |
134 | __u8 bAssocTerminal; |
135 | __u8 bSourceID; |
136 | __u8 bCSourceID; |
137 | __le16 bmControls; |
138 | __u8 iTerminal; |
139 | } __attribute__((packed)); |
140 | |
141 | |
142 | |
143 | /* 4.7.2.8 Feature Unit Descriptor */ |
144 | |
145 | struct uac2_feature_unit_descriptor { |
146 | __u8 bLength; |
147 | __u8 bDescriptorType; |
148 | __u8 bDescriptorSubtype; |
149 | __u8 bUnitID; |
150 | __u8 bSourceID; |
151 | /* bmaControls is actually u32, |
152 | * but u8 is needed for the hybrid parser */ |
153 | __u8 bmaControls[]; /* variable length */ |
154 | } __attribute__((packed)); |
155 | |
156 | #define UAC2_DT_FEATURE_UNIT_SIZE(ch) (6 + ((ch) + 1) * 4) |
157 | |
158 | /* As above, but more useful for defining your own descriptors: */ |
159 | #define DECLARE_UAC2_FEATURE_UNIT_DESCRIPTOR(ch) \ |
160 | struct uac2_feature_unit_descriptor_##ch { \ |
161 | __u8 bLength; \ |
162 | __u8 bDescriptorType; \ |
163 | __u8 bDescriptorSubtype; \ |
164 | __u8 bUnitID; \ |
165 | __u8 bSourceID; \ |
166 | __le32 bmaControls[ch + 1]; \ |
167 | __u8 iFeature; \ |
168 | } __packed |
169 | |
170 | /* 4.7.2.10 Effect Unit Descriptor */ |
171 | |
172 | struct uac2_effect_unit_descriptor { |
173 | __u8 bLength; |
174 | __u8 bDescriptorType; |
175 | __u8 bDescriptorSubtype; |
176 | __u8 bUnitID; |
177 | __le16 wEffectType; |
178 | __u8 bSourceID; |
179 | __u8 bmaControls[]; /* variable length */ |
180 | } __attribute__((packed)); |
181 | |
182 | /* 4.9.2 Class-Specific AS Interface Descriptor */ |
183 | |
184 | struct { |
185 | __u8 ; |
186 | __u8 ; |
187 | __u8 ; |
188 | __u8 ; |
189 | __u8 ; |
190 | __u8 ; |
191 | __le32 ; |
192 | __u8 ; |
193 | __le32 ; |
194 | __u8 ; |
195 | } __attribute__((packed)); |
196 | |
197 | #define UAC2_FORMAT_TYPE_I_RAW_DATA (1 << 31) |
198 | |
199 | /* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */ |
200 | |
201 | struct uac2_iso_endpoint_descriptor { |
202 | __u8 bLength; /* in bytes: 8 */ |
203 | __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */ |
204 | __u8 bDescriptorSubtype; /* EP_GENERAL */ |
205 | __u8 bmAttributes; |
206 | __u8 bmControls; |
207 | __u8 bLockDelayUnits; |
208 | __le16 wLockDelay; |
209 | } __attribute__((packed)); |
210 | |
211 | #define UAC2_CONTROL_PITCH (3 << 0) |
212 | #define UAC2_CONTROL_DATA_OVERRUN (3 << 2) |
213 | #define UAC2_CONTROL_DATA_UNDERRUN (3 << 4) |
214 | |
215 | /* 5.2.5.4.2 Connector Control Parameter Block */ |
216 | struct uac2_connectors_ctl_blk { |
217 | __u8 bNrChannels; |
218 | __le32 bmChannelConfig; |
219 | __u8 iChannelNames; |
220 | } __attribute__((packed)); |
221 | |
222 | /* 6.1 Interrupt Data Message */ |
223 | |
224 | #define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0) |
225 | #define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1) |
226 | |
227 | struct uac2_interrupt_data_msg { |
228 | __u8 bInfo; |
229 | __u8 bAttribute; |
230 | __le16 wValue; |
231 | __le16 wIndex; |
232 | } __attribute__((packed)); |
233 | |
234 | /* A.7 Audio Function Category Codes */ |
235 | #define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00 |
236 | #define UAC2_FUNCTION_DESKTOP_SPEAKER 0x01 |
237 | #define UAC2_FUNCTION_HOME_THEATER 0x02 |
238 | #define UAC2_FUNCTION_MICROPHONE 0x03 |
239 | #define UAC2_FUNCTION_HEADSET 0x04 |
240 | #define UAC2_FUNCTION_TELEPHONE 0x05 |
241 | #define UAC2_FUNCTION_CONVERTER 0x06 |
242 | #define UAC2_FUNCTION_SOUND_RECORDER 0x07 |
243 | #define UAC2_FUNCTION_IO_BOX 0x08 |
244 | #define UAC2_FUNCTION_MUSICAL_INSTRUMENT 0x09 |
245 | #define UAC2_FUNCTION_PRO_AUDIO 0x0a |
246 | #define UAC2_FUNCTION_AUDIO_VIDEO 0x0b |
247 | #define UAC2_FUNCTION_CONTROL_PANEL 0x0c |
248 | #define UAC2_FUNCTION_OTHER 0xff |
249 | |
250 | /* A.9 Audio Class-Specific AC Interface Descriptor Subtypes */ |
251 | /* see audio.h for the rest, which is identical to v1 */ |
252 | #define UAC2_EFFECT_UNIT 0x07 |
253 | #define UAC2_PROCESSING_UNIT_V2 0x08 |
254 | #define UAC2_EXTENSION_UNIT_V2 0x09 |
255 | #define UAC2_CLOCK_SOURCE 0x0a |
256 | #define UAC2_CLOCK_SELECTOR 0x0b |
257 | #define UAC2_CLOCK_MULTIPLIER 0x0c |
258 | #define UAC2_SAMPLE_RATE_CONVERTER 0x0d |
259 | |
260 | /* A.10 Audio Class-Specific AS Interface Descriptor Subtypes */ |
261 | /* see audio.h for the rest, which is identical to v1 */ |
262 | #define UAC2_ENCODER 0x03 |
263 | #define UAC2_DECODER 0x04 |
264 | |
265 | /* A.11 Effect Unit Effect Types */ |
266 | #define UAC2_EFFECT_UNDEFINED 0x00 |
267 | #define UAC2_EFFECT_PARAM_EQ 0x01 |
268 | #define UAC2_EFFECT_REVERB 0x02 |
269 | #define UAC2_EFFECT_MOD_DELAY 0x03 |
270 | #define UAC2_EFFECT_DYN_RANGE_COMP 0x04 |
271 | |
272 | /* A.12 Processing Unit Process Types */ |
273 | #define UAC2_PROCESS_UNDEFINED 0x00 |
274 | #define UAC2_PROCESS_UP_DOWNMIX 0x01 |
275 | #define UAC2_PROCESS_DOLBY_PROLOCIC 0x02 |
276 | #define UAC2_PROCESS_STEREO_EXTENDER 0x03 |
277 | |
278 | /* A.14 Audio Class-Specific Request Codes */ |
279 | #define UAC2_CS_CUR 0x01 |
280 | #define UAC2_CS_RANGE 0x02 |
281 | #define UAC2_CS_MEM 0x03 |
282 | |
283 | /* A.15 Encoder Type Codes */ |
284 | #define UAC2_ENCODER_UNDEFINED 0x00 |
285 | #define UAC2_ENCODER_OTHER 0x01 |
286 | #define UAC2_ENCODER_MPEG 0x02 |
287 | #define UAC2_ENCODER_AC3 0x03 |
288 | #define UAC2_ENCODER_WMA 0x04 |
289 | #define UAC2_ENCODER_DTS 0x05 |
290 | |
291 | /* A.16 Decoder Type Codes */ |
292 | #define UAC2_DECODER_UNDEFINED 0x00 |
293 | #define UAC2_DECODER_OTHER 0x01 |
294 | #define UAC2_DECODER_MPEG 0x02 |
295 | #define UAC2_DECODER_AC3 0x03 |
296 | #define UAC2_DECODER_WMA 0x04 |
297 | #define UAC2_DECODER_DTS 0x05 |
298 | |
299 | /* A.17.1 Clock Source Control Selectors */ |
300 | #define UAC2_CS_UNDEFINED 0x00 |
301 | #define UAC2_CS_CONTROL_SAM_FREQ 0x01 |
302 | #define UAC2_CS_CONTROL_CLOCK_VALID 0x02 |
303 | |
304 | /* A.17.2 Clock Selector Control Selectors */ |
305 | #define UAC2_CX_UNDEFINED 0x00 |
306 | #define UAC2_CX_CLOCK_SELECTOR 0x01 |
307 | |
308 | /* A.17.3 Clock Multiplier Control Selectors */ |
309 | #define UAC2_CM_UNDEFINED 0x00 |
310 | #define UAC2_CM_NUMERATOR 0x01 |
311 | #define UAC2_CM_DENOMINTATOR 0x02 |
312 | |
313 | /* A.17.4 Terminal Control Selectors */ |
314 | #define UAC2_TE_UNDEFINED 0x00 |
315 | #define UAC2_TE_COPY_PROTECT 0x01 |
316 | #define UAC2_TE_CONNECTOR 0x02 |
317 | #define UAC2_TE_OVERLOAD 0x03 |
318 | #define UAC2_TE_CLUSTER 0x04 |
319 | #define UAC2_TE_UNDERFLOW 0x05 |
320 | #define UAC2_TE_OVERFLOW 0x06 |
321 | #define UAC2_TE_LATENCY 0x07 |
322 | |
323 | /* A.17.5 Mixer Control Selectors */ |
324 | #define UAC2_MU_UNDEFINED 0x00 |
325 | #define UAC2_MU_MIXER 0x01 |
326 | #define UAC2_MU_CLUSTER 0x02 |
327 | #define UAC2_MU_UNDERFLOW 0x03 |
328 | #define UAC2_MU_OVERFLOW 0x04 |
329 | #define UAC2_MU_LATENCY 0x05 |
330 | |
331 | /* A.17.6 Selector Control Selectors */ |
332 | #define UAC2_SU_UNDEFINED 0x00 |
333 | #define UAC2_SU_SELECTOR 0x01 |
334 | #define UAC2_SU_LATENCY 0x02 |
335 | |
336 | /* A.17.7 Feature Unit Control Selectors */ |
337 | /* see audio.h for the rest, which is identical to v1 */ |
338 | #define UAC2_FU_INPUT_GAIN 0x0b |
339 | #define UAC2_FU_INPUT_GAIN_PAD 0x0c |
340 | #define UAC2_FU_PHASE_INVERTER 0x0d |
341 | #define UAC2_FU_UNDERFLOW 0x0e |
342 | #define UAC2_FU_OVERFLOW 0x0f |
343 | #define UAC2_FU_LATENCY 0x10 |
344 | |
345 | /* A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors */ |
346 | #define UAC2_PE_UNDEFINED 0x00 |
347 | #define UAC2_PE_ENABLE 0x01 |
348 | #define UAC2_PE_CENTERFREQ 0x02 |
349 | #define UAC2_PE_QFACTOR 0x03 |
350 | #define UAC2_PE_GAIN 0x04 |
351 | #define UAC2_PE_UNDERFLOW 0x05 |
352 | #define UAC2_PE_OVERFLOW 0x06 |
353 | #define UAC2_PE_LATENCY 0x07 |
354 | |
355 | /* A.17.8.2 Reverberation Effect Unit Control Selectors */ |
356 | #define UAC2_RV_UNDEFINED 0x00 |
357 | #define UAC2_RV_ENABLE 0x01 |
358 | #define UAC2_RV_TYPE 0x02 |
359 | #define UAC2_RV_LEVEL 0x03 |
360 | #define UAC2_RV_TIME 0x04 |
361 | #define UAC2_RV_FEEDBACK 0x05 |
362 | #define UAC2_RV_PREDELAY 0x06 |
363 | #define UAC2_RV_DENSITY 0x07 |
364 | #define UAC2_RV_HIFREQ_ROLLOFF 0x08 |
365 | #define UAC2_RV_UNDERFLOW 0x09 |
366 | #define UAC2_RV_OVERFLOW 0x0a |
367 | #define UAC2_RV_LATENCY 0x0b |
368 | |
369 | /* A.17.8.3 Modulation Delay Effect Control Selectors */ |
370 | #define UAC2_MD_UNDEFINED 0x00 |
371 | #define UAC2_MD_ENABLE 0x01 |
372 | #define UAC2_MD_BALANCE 0x02 |
373 | #define UAC2_MD_RATE 0x03 |
374 | #define UAC2_MD_DEPTH 0x04 |
375 | #define UAC2_MD_TIME 0x05 |
376 | #define UAC2_MD_FEEDBACK 0x06 |
377 | #define UAC2_MD_UNDERFLOW 0x07 |
378 | #define UAC2_MD_OVERFLOW 0x08 |
379 | #define UAC2_MD_LATENCY 0x09 |
380 | |
381 | /* A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors */ |
382 | #define UAC2_DR_UNDEFINED 0x00 |
383 | #define UAC2_DR_ENABLE 0x01 |
384 | #define UAC2_DR_COMPRESSION_RATE 0x02 |
385 | #define UAC2_DR_MAXAMPL 0x03 |
386 | #define UAC2_DR_THRESHOLD 0x04 |
387 | #define UAC2_DR_ATTACK_TIME 0x05 |
388 | #define UAC2_DR_RELEASE_TIME 0x06 |
389 | #define UAC2_DR_UNDEFLOW 0x07 |
390 | #define UAC2_DR_OVERFLOW 0x08 |
391 | #define UAC2_DR_LATENCY 0x09 |
392 | |
393 | /* A.17.9.1 Up/Down-mix Processing Unit Control Selectors */ |
394 | #define UAC2_UD_UNDEFINED 0x00 |
395 | #define UAC2_UD_ENABLE 0x01 |
396 | #define UAC2_UD_MODE_SELECT 0x02 |
397 | #define UAC2_UD_CLUSTER 0x03 |
398 | #define UAC2_UD_UNDERFLOW 0x04 |
399 | #define UAC2_UD_OVERFLOW 0x05 |
400 | #define UAC2_UD_LATENCY 0x06 |
401 | |
402 | /* A.17.9.2 Dolby Prologic[tm] Processing Unit Control Selectors */ |
403 | #define UAC2_DP_UNDEFINED 0x00 |
404 | #define UAC2_DP_ENABLE 0x01 |
405 | #define UAC2_DP_MODE_SELECT 0x02 |
406 | #define UAC2_DP_CLUSTER 0x03 |
407 | #define UAC2_DP_UNDERFFLOW 0x04 |
408 | #define UAC2_DP_OVERFLOW 0x05 |
409 | #define UAC2_DP_LATENCY 0x06 |
410 | |
411 | /* A.17.9.3 Stereo Expander Processing Unit Control Selectors */ |
412 | #define UAC2_ST_EXT_UNDEFINED 0x00 |
413 | #define UAC2_ST_EXT_ENABLE 0x01 |
414 | #define UAC2_ST_EXT_WIDTH 0x02 |
415 | #define UAC2_ST_EXT_UNDEFLOW 0x03 |
416 | #define UAC2_ST_EXT_OVERFLOW 0x04 |
417 | #define UAC2_ST_EXT_LATENCY 0x05 |
418 | |
419 | /* A.17.10 Extension Unit Control Selectors */ |
420 | #define UAC2_XU_UNDEFINED 0x00 |
421 | #define UAC2_XU_ENABLE 0x01 |
422 | #define UAC2_XU_CLUSTER 0x02 |
423 | #define UAC2_XU_UNDERFLOW 0x03 |
424 | #define UAC2_XU_OVERFLOW 0x04 |
425 | #define UAC2_XU_LATENCY 0x05 |
426 | |
427 | /* A.17.11 AudioStreaming Interface Control Selectors */ |
428 | #define UAC2_AS_UNDEFINED 0x00 |
429 | #define UAC2_AS_ACT_ALT_SETTING 0x01 |
430 | #define UAC2_AS_VAL_ALT_SETTINGS 0x02 |
431 | #define UAC2_AS_AUDIO_DATA_FORMAT 0x03 |
432 | |
433 | /* A.17.12 Encoder Control Selectors */ |
434 | #define UAC2_EN_UNDEFINED 0x00 |
435 | #define UAC2_EN_BIT_RATE 0x01 |
436 | #define UAC2_EN_QUALITY 0x02 |
437 | #define UAC2_EN_VBR 0x03 |
438 | #define UAC2_EN_TYPE 0x04 |
439 | #define UAC2_EN_UNDERFLOW 0x05 |
440 | #define UAC2_EN_OVERFLOW 0x06 |
441 | #define UAC2_EN_ENCODER_ERROR 0x07 |
442 | #define UAC2_EN_PARAM1 0x08 |
443 | #define UAC2_EN_PARAM2 0x09 |
444 | #define UAC2_EN_PARAM3 0x0a |
445 | #define UAC2_EN_PARAM4 0x0b |
446 | #define UAC2_EN_PARAM5 0x0c |
447 | #define UAC2_EN_PARAM6 0x0d |
448 | #define UAC2_EN_PARAM7 0x0e |
449 | #define UAC2_EN_PARAM8 0x0f |
450 | |
451 | /* A.17.13.1 MPEG Decoder Control Selectors */ |
452 | #define UAC2_MPEG_UNDEFINED 0x00 |
453 | #define UAC2_MPEG_DUAL_CHANNEL 0x01 |
454 | #define UAC2_MPEG_SECOND_STEREO 0x02 |
455 | #define UAC2_MPEG_MULTILINGUAL 0x03 |
456 | #define UAC2_MPEG_DYN_RANGE 0x04 |
457 | #define UAC2_MPEG_SCALING 0x05 |
458 | #define UAC2_MPEG_HILO_SCALING 0x06 |
459 | #define UAC2_MPEG_UNDERFLOW 0x07 |
460 | #define UAC2_MPEG_OVERFLOW 0x08 |
461 | #define UAC2_MPEG_DECODER_ERROR 0x09 |
462 | |
463 | /* A17.13.2 AC3 Decoder Control Selectors */ |
464 | #define UAC2_AC3_UNDEFINED 0x00 |
465 | #define UAC2_AC3_MODE 0x01 |
466 | #define UAC2_AC3_DYN_RANGE 0x02 |
467 | #define UAC2_AC3_SCALING 0x03 |
468 | #define UAC2_AC3_HILO_SCALING 0x04 |
469 | #define UAC2_AC3_UNDERFLOW 0x05 |
470 | #define UAC2_AC3_OVERFLOW 0x06 |
471 | #define UAC2_AC3_DECODER_ERROR 0x07 |
472 | |
473 | /* A17.13.3 WMA Decoder Control Selectors */ |
474 | #define UAC2_WMA_UNDEFINED 0x00 |
475 | #define UAC2_WMA_UNDERFLOW 0x01 |
476 | #define UAC2_WMA_OVERFLOW 0x02 |
477 | #define UAC2_WMA_DECODER_ERROR 0x03 |
478 | |
479 | /* A17.13.4 DTS Decoder Control Selectors */ |
480 | #define UAC2_DTS_UNDEFINED 0x00 |
481 | #define UAC2_DTS_UNDERFLOW 0x01 |
482 | #define UAC2_DTS_OVERFLOW 0x02 |
483 | #define UAC2_DTS_DECODER_ERROR 0x03 |
484 | |
485 | /* A17.14 Endpoint Control Selectors */ |
486 | #define UAC2_EP_CS_UNDEFINED 0x00 |
487 | #define UAC2_EP_CS_PITCH 0x01 |
488 | #define UAC2_EP_CS_DATA_OVERRUN 0x02 |
489 | #define UAC2_EP_CS_DATA_UNDERRUN 0x03 |
490 | |
491 | #endif /* __LINUX_USB_AUDIO_V2_H */ |
492 | |
493 | |