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7e847894 DM |
1 | /* |
2 | * Copyright (c) 2010 Daniel Mack <daniel@caiaq.de> | |
3 | * | |
4 | * This software is distributed under the terms of the GNU General Public | |
5 | * License ("GPL") version 2, as published by the Free Software Foundation. | |
6 | * | |
7 | * This file holds USB constants and structures defined | |
8 | * by the USB Device Class Definition for Audio Devices in version 2.0. | |
9 | * Comments below reference relevant sections of the documents contained | |
10 | * in http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip | |
11 | */ | |
12 | ||
13 | #ifndef __LINUX_USB_AUDIO_V2_H | |
14 | #define __LINUX_USB_AUDIO_V2_H | |
15 | ||
16 | #include <linux/types.h> | |
17 | ||
18 | /* v1.0 and v2.0 of this standard have many things in common. For the rest | |
19 | * of the definitions, please refer to audio.h */ | |
20 | ||
157a57b6 DM |
21 | /* |
22 | * bmControl field decoders | |
23 | * | |
24 | * From the USB Audio spec v2.0: | |
25 | * | |
26 | * bmaControls() is a (ch+1)-element array of 4-byte bitmaps, | |
27 | * each containing a set of bit pairs. If a Control is present, | |
28 | * it must be Host readable. If a certain Control is not | |
29 | * present then the bit pair must be set to 0b00. | |
30 | * If a Control is present but read-only, the bit pair must be | |
31 | * set to 0b01. If a Control is also Host programmable, the bit | |
32 | * pair must be set to 0b11. The value 0b10 is not allowed. | |
33 | * | |
34 | */ | |
35 | ||
dcbe7bcf DM |
36 | static inline bool uac2_control_is_readable(u32 bmControls, u8 control) |
37 | { | |
38 | return (bmControls >> (control * 2)) & 0x1; | |
39 | } | |
40 | ||
41 | static inline bool uac2_control_is_writeable(u32 bmControls, u8 control) | |
42 | { | |
43 | return (bmControls >> (control * 2)) & 0x2; | |
44 | } | |
45 | ||
0d4e1b2a JB |
46 | /* 4.7.2 Class-Specific AC Interface Descriptor */ |
47 | struct uac2_ac_header_descriptor { | |
48 | __u8 bLength; /* 9 */ | |
49 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ | |
50 | __u8 bDescriptorSubtype; /* UAC_MS_HEADER */ | |
51 | __le16 bcdADC; /* 0x0200 */ | |
52 | __u8 bCategory; | |
53 | __le16 wTotalLength; /* includes Unit and Terminal desc. */ | |
54 | __u8 bmControls; | |
55 | } __packed; | |
56 | ||
57 | /* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/ | |
58 | struct uac2_format_type_i_descriptor { | |
59 | __u8 bLength; /* in bytes: 6 */ | |
60 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ | |
61 | __u8 bDescriptorSubtype; /* FORMAT_TYPE */ | |
62 | __u8 bFormatType; /* FORMAT_TYPE_1 */ | |
63 | __u8 bSubslotSize; /* {1,2,3,4} */ | |
64 | __u8 bBitResolution; | |
65 | } __packed; | |
66 | ||
7e847894 DM |
67 | /* 4.7.2.1 Clock Source Descriptor */ |
68 | ||
69 | struct uac_clock_source_descriptor { | |
70 | __u8 bLength; | |
71 | __u8 bDescriptorType; | |
72 | __u8 bDescriptorSubtype; | |
73 | __u8 bClockID; | |
74 | __u8 bmAttributes; | |
75 | __u8 bmControls; | |
76 | __u8 bAssocTerminal; | |
77 | __u8 iClockSource; | |
78 | } __attribute__((packed)); | |
79 | ||
5dd360eb DM |
80 | /* bmAttribute fields */ |
81 | #define UAC_CLOCK_SOURCE_TYPE_EXT 0x0 | |
82 | #define UAC_CLOCK_SOURCE_TYPE_INT_FIXED 0x1 | |
83 | #define UAC_CLOCK_SOURCE_TYPE_INT_VAR 0x2 | |
84 | #define UAC_CLOCK_SOURCE_TYPE_INT_PROG 0x3 | |
85 | #define UAC_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 2) | |
86 | ||
7e847894 DM |
87 | /* 4.7.2.2 Clock Source Descriptor */ |
88 | ||
89 | struct uac_clock_selector_descriptor { | |
90 | __u8 bLength; | |
91 | __u8 bDescriptorType; | |
92 | __u8 bDescriptorSubtype; | |
93 | __u8 bClockID; | |
94 | __u8 bNrInPins; | |
7e847894 | 95 | __u8 baCSourceID[]; |
5dd360eb DM |
96 | /* bmControls, bAssocTerminal and iClockSource omitted */ |
97 | } __attribute__((packed)); | |
98 | ||
99 | /* 4.7.2.3 Clock Multiplier Descriptor */ | |
100 | ||
101 | struct uac_clock_multiplier_descriptor { | |
102 | __u8 bLength; | |
103 | __u8 bDescriptorType; | |
104 | __u8 bDescriptorSubtype; | |
105 | __u8 bClockID; | |
106 | __u8 bCSourceID; | |
107 | __u8 bmControls; | |
108 | __u8 iClockMultiplier; | |
7e847894 DM |
109 | } __attribute__((packed)); |
110 | ||
23caaf19 DM |
111 | /* 4.7.2.4 Input terminal descriptor */ |
112 | ||
113 | struct uac2_input_terminal_descriptor { | |
114 | __u8 bLength; | |
115 | __u8 bDescriptorType; | |
116 | __u8 bDescriptorSubtype; | |
117 | __u8 bTerminalID; | |
118 | __u16 wTerminalType; | |
119 | __u8 bAssocTerminal; | |
120 | __u8 bCSourceID; | |
121 | __u8 bNrChannels; | |
122 | __u32 bmChannelConfig; | |
123 | __u8 iChannelNames; | |
124 | __u16 bmControls; | |
125 | __u8 iTerminal; | |
126 | } __attribute__((packed)); | |
127 | ||
128 | /* 4.7.2.5 Output terminal descriptor */ | |
129 | ||
130 | struct uac2_output_terminal_descriptor { | |
131 | __u8 bLength; | |
132 | __u8 bDescriptorType; | |
133 | __u8 bDescriptorSubtype; | |
134 | __u8 bTerminalID; | |
135 | __u16 wTerminalType; | |
136 | __u8 bAssocTerminal; | |
137 | __u8 bSourceID; | |
138 | __u8 bCSourceID; | |
139 | __u16 bmControls; | |
140 | __u8 iTerminal; | |
141 | } __attribute__((packed)); | |
142 | ||
143 | ||
144 | ||
145 | /* 4.7.2.8 Feature Unit Descriptor */ | |
146 | ||
147 | struct uac2_feature_unit_descriptor { | |
148 | __u8 bLength; | |
149 | __u8 bDescriptorType; | |
150 | __u8 bDescriptorSubtype; | |
151 | __u8 bUnitID; | |
152 | __u8 bSourceID; | |
153 | /* bmaControls is actually u32, | |
154 | * but u8 is needed for the hybrid parser */ | |
155 | __u8 bmaControls[0]; /* variable length */ | |
156 | } __attribute__((packed)); | |
157 | ||
7e847894 DM |
158 | /* 4.9.2 Class-Specific AS Interface Descriptor */ |
159 | ||
69da9bcb | 160 | struct uac2_as_header_descriptor { |
7e847894 DM |
161 | __u8 bLength; |
162 | __u8 bDescriptorType; | |
163 | __u8 bDescriptorSubtype; | |
164 | __u8 bTerminalLink; | |
165 | __u8 bmControls; | |
166 | __u8 bFormatType; | |
167 | __u32 bmFormats; | |
168 | __u8 bNrChannels; | |
169 | __u32 bmChannelConfig; | |
170 | __u8 iChannelNames; | |
171 | } __attribute__((packed)); | |
172 | ||
717bfb5f DM |
173 | #define UAC2_FORMAT_TYPE_I_RAW_DATA (1 << 31) |
174 | ||
43b8e3bc DM |
175 | /* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */ |
176 | ||
177 | struct uac2_iso_endpoint_descriptor { | |
178 | __u8 bLength; /* in bytes: 8 */ | |
179 | __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */ | |
180 | __u8 bDescriptorSubtype; /* EP_GENERAL */ | |
181 | __u8 bmAttributes; | |
182 | __u8 bmControls; | |
183 | __u8 bLockDelayUnits; | |
184 | __le16 wLockDelay; | |
185 | } __attribute__((packed)); | |
186 | ||
187 | #define UAC2_CONTROL_PITCH (3 << 0) | |
188 | #define UAC2_CONTROL_DATA_OVERRUN (3 << 2) | |
189 | #define UAC2_CONTROL_DATA_UNDERRUN (3 << 4) | |
190 | ||
e213e9cf DM |
191 | /* 6.1 Interrupt Data Message */ |
192 | ||
193 | #define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0) | |
194 | #define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1) | |
195 | ||
196 | struct uac2_interrupt_data_msg { | |
197 | __u8 bInfo; | |
198 | __u8 bAttribute; | |
199 | __le16 wValue; | |
200 | __le16 wIndex; | |
201 | } __attribute__((packed)); | |
7e847894 DM |
202 | |
203 | /* A.7 Audio Function Category Codes */ | |
204 | #define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00 | |
205 | #define UAC2_FUNCTION_DESKTOP_SPEAKER 0x01 | |
206 | #define UAC2_FUNCTION_HOME_THEATER 0x02 | |
207 | #define UAC2_FUNCTION_MICROPHONE 0x03 | |
208 | #define UAC2_FUNCTION_HEADSET 0x04 | |
209 | #define UAC2_FUNCTION_TELEPHONE 0x05 | |
210 | #define UAC2_FUNCTION_CONVERTER 0x06 | |
211 | #define UAC2_FUNCTION_SOUND_RECORDER 0x07 | |
212 | #define UAC2_FUNCTION_IO_BOX 0x08 | |
213 | #define UAC2_FUNCTION_MUSICAL_INSTRUMENT 0x09 | |
214 | #define UAC2_FUNCTION_PRO_AUDIO 0x0a | |
215 | #define UAC2_FUNCTION_AUDIO_VIDEO 0x0b | |
216 | #define UAC2_FUNCTION_CONTROL_PANEL 0x0c | |
217 | #define UAC2_FUNCTION_OTHER 0xff | |
218 | ||
219 | /* A.9 Audio Class-Specific AC Interface Descriptor Subtypes */ | |
220 | /* see audio.h for the rest, which is identical to v1 */ | |
221 | #define UAC2_EFFECT_UNIT 0x07 | |
222 | #define UAC2_PROCESSING_UNIT_V2 0x08 | |
223 | #define UAC2_EXTENSION_UNIT_V2 0x09 | |
224 | #define UAC2_CLOCK_SOURCE 0x0a | |
225 | #define UAC2_CLOCK_SELECTOR 0x0b | |
226 | #define UAC2_CLOCK_MULTIPLIER 0x0c | |
227 | #define UAC2_SAMPLE_RATE_CONVERTER 0x0d | |
228 | ||
229 | /* A.10 Audio Class-Specific AS Interface Descriptor Subtypes */ | |
230 | /* see audio.h for the rest, which is identical to v1 */ | |
231 | #define UAC2_ENCODER 0x03 | |
232 | #define UAC2_DECODER 0x04 | |
233 | ||
234 | /* A.11 Effect Unit Effect Types */ | |
235 | #define UAC2_EFFECT_UNDEFINED 0x00 | |
236 | #define UAC2_EFFECT_PARAM_EQ 0x01 | |
237 | #define UAC2_EFFECT_REVERB 0x02 | |
238 | #define UAC2_EFFECT_MOD_DELAY 0x03 | |
239 | #define UAC2_EFFECT_DYN_RANGE_COMP 0x04 | |
240 | ||
241 | /* A.12 Processing Unit Process Types */ | |
242 | #define UAC2_PROCESS_UNDEFINED 0x00 | |
243 | #define UAC2_PROCESS_UP_DOWNMIX 0x01 | |
244 | #define UAC2_PROCESS_DOLBY_PROLOCIC 0x02 | |
245 | #define UAC2_PROCESS_STEREO_EXTENDER 0x03 | |
246 | ||
247 | /* A.14 Audio Class-Specific Request Codes */ | |
248 | #define UAC2_CS_CUR 0x01 | |
249 | #define UAC2_CS_RANGE 0x02 | |
e213e9cf | 250 | #define UAC2_CS_MEM 0x03 |
7e847894 DM |
251 | |
252 | /* A.15 Encoder Type Codes */ | |
253 | #define UAC2_ENCODER_UNDEFINED 0x00 | |
254 | #define UAC2_ENCODER_OTHER 0x01 | |
255 | #define UAC2_ENCODER_MPEG 0x02 | |
256 | #define UAC2_ENCODER_AC3 0x03 | |
257 | #define UAC2_ENCODER_WMA 0x04 | |
258 | #define UAC2_ENCODER_DTS 0x05 | |
259 | ||
260 | /* A.16 Decoder Type Codes */ | |
261 | #define UAC2_DECODER_UNDEFINED 0x00 | |
262 | #define UAC2_DECODER_OTHER 0x01 | |
263 | #define UAC2_DECODER_MPEG 0x02 | |
264 | #define UAC2_DECODER_AC3 0x03 | |
265 | #define UAC2_DECODER_WMA 0x04 | |
266 | #define UAC2_DECODER_DTS 0x05 | |
267 | ||
268 | /* A.17.1 Clock Source Control Selectors */ | |
269 | #define UAC2_CS_UNDEFINED 0x00 | |
270 | #define UAC2_CS_CONTROL_SAM_FREQ 0x01 | |
271 | #define UAC2_CS_CONTROL_CLOCK_VALID 0x02 | |
272 | ||
273 | /* A.17.2 Clock Selector Control Selectors */ | |
274 | #define UAC2_CX_UNDEFINED 0x00 | |
275 | #define UAC2_CX_CLOCK_SELECTOR 0x01 | |
276 | ||
277 | /* A.17.3 Clock Multiplier Control Selectors */ | |
278 | #define UAC2_CM_UNDEFINED 0x00 | |
279 | #define UAC2_CM_NUMERATOR 0x01 | |
280 | #define UAC2_CM_DENOMINTATOR 0x02 | |
281 | ||
282 | /* A.17.4 Terminal Control Selectors */ | |
283 | #define UAC2_TE_UNDEFINED 0x00 | |
284 | #define UAC2_TE_COPY_PROTECT 0x01 | |
285 | #define UAC2_TE_CONNECTOR 0x02 | |
286 | #define UAC2_TE_OVERLOAD 0x03 | |
287 | #define UAC2_TE_CLUSTER 0x04 | |
288 | #define UAC2_TE_UNDERFLOW 0x05 | |
289 | #define UAC2_TE_OVERFLOW 0x06 | |
290 | #define UAC2_TE_LATENCY 0x07 | |
291 | ||
292 | /* A.17.5 Mixer Control Selectors */ | |
293 | #define UAC2_MU_UNDEFINED 0x00 | |
294 | #define UAC2_MU_MIXER 0x01 | |
295 | #define UAC2_MU_CLUSTER 0x02 | |
296 | #define UAC2_MU_UNDERFLOW 0x03 | |
297 | #define UAC2_MU_OVERFLOW 0x04 | |
298 | #define UAC2_MU_LATENCY 0x05 | |
299 | ||
300 | /* A.17.6 Selector Control Selectors */ | |
301 | #define UAC2_SU_UNDEFINED 0x00 | |
302 | #define UAC2_SU_SELECTOR 0x01 | |
303 | #define UAC2_SU_LATENCY 0x02 | |
304 | ||
305 | /* A.17.7 Feature Unit Control Selectors */ | |
306 | /* see audio.h for the rest, which is identical to v1 */ | |
307 | #define UAC2_FU_INPUT_GAIN 0x0b | |
308 | #define UAC2_FU_INPUT_GAIN_PAD 0x0c | |
309 | #define UAC2_FU_PHASE_INVERTER 0x0d | |
310 | #define UAC2_FU_UNDERFLOW 0x0e | |
311 | #define UAC2_FU_OVERFLOW 0x0f | |
312 | #define UAC2_FU_LATENCY 0x10 | |
313 | ||
314 | /* A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors */ | |
315 | #define UAC2_PE_UNDEFINED 0x00 | |
316 | #define UAC2_PE_ENABLE 0x01 | |
317 | #define UAC2_PE_CENTERFREQ 0x02 | |
318 | #define UAC2_PE_QFACTOR 0x03 | |
319 | #define UAC2_PE_GAIN 0x04 | |
320 | #define UAC2_PE_UNDERFLOW 0x05 | |
321 | #define UAC2_PE_OVERFLOW 0x06 | |
322 | #define UAC2_PE_LATENCY 0x07 | |
323 | ||
324 | /* A.17.8.2 Reverberation Effect Unit Control Selectors */ | |
325 | #define UAC2_RV_UNDEFINED 0x00 | |
326 | #define UAC2_RV_ENABLE 0x01 | |
327 | #define UAC2_RV_TYPE 0x02 | |
328 | #define UAC2_RV_LEVEL 0x03 | |
329 | #define UAC2_RV_TIME 0x04 | |
330 | #define UAC2_RV_FEEDBACK 0x05 | |
331 | #define UAC2_RV_PREDELAY 0x06 | |
332 | #define UAC2_RV_DENSITY 0x07 | |
333 | #define UAC2_RV_HIFREQ_ROLLOFF 0x08 | |
334 | #define UAC2_RV_UNDERFLOW 0x09 | |
335 | #define UAC2_RV_OVERFLOW 0x0a | |
336 | #define UAC2_RV_LATENCY 0x0b | |
337 | ||
338 | /* A.17.8.3 Modulation Delay Effect Control Selectors */ | |
339 | #define UAC2_MD_UNDEFINED 0x00 | |
340 | #define UAC2_MD_ENABLE 0x01 | |
341 | #define UAC2_MD_BALANCE 0x02 | |
342 | #define UAC2_MD_RATE 0x03 | |
343 | #define UAC2_MD_DEPTH 0x04 | |
344 | #define UAC2_MD_TIME 0x05 | |
345 | #define UAC2_MD_FEEDBACK 0x06 | |
346 | #define UAC2_MD_UNDERFLOW 0x07 | |
347 | #define UAC2_MD_OVERFLOW 0x08 | |
348 | #define UAC2_MD_LATENCY 0x09 | |
349 | ||
350 | /* A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors */ | |
351 | #define UAC2_DR_UNDEFINED 0x00 | |
352 | #define UAC2_DR_ENABLE 0x01 | |
353 | #define UAC2_DR_COMPRESSION_RATE 0x02 | |
354 | #define UAC2_DR_MAXAMPL 0x03 | |
355 | #define UAC2_DR_THRESHOLD 0x04 | |
356 | #define UAC2_DR_ATTACK_TIME 0x05 | |
357 | #define UAC2_DR_RELEASE_TIME 0x06 | |
358 | #define UAC2_DR_UNDEFLOW 0x07 | |
359 | #define UAC2_DR_OVERFLOW 0x08 | |
360 | #define UAC2_DR_LATENCY 0x09 | |
361 | ||
362 | /* A.17.9.1 Up/Down-mix Processing Unit Control Selectors */ | |
363 | #define UAC2_UD_UNDEFINED 0x00 | |
364 | #define UAC2_UD_ENABLE 0x01 | |
365 | #define UAC2_UD_MODE_SELECT 0x02 | |
366 | #define UAC2_UD_CLUSTER 0x03 | |
367 | #define UAC2_UD_UNDERFLOW 0x04 | |
368 | #define UAC2_UD_OVERFLOW 0x05 | |
369 | #define UAC2_UD_LATENCY 0x06 | |
370 | ||
371 | /* A.17.9.2 Dolby Prologic[tm] Processing Unit Control Selectors */ | |
372 | #define UAC2_DP_UNDEFINED 0x00 | |
373 | #define UAC2_DP_ENABLE 0x01 | |
374 | #define UAC2_DP_MODE_SELECT 0x02 | |
375 | #define UAC2_DP_CLUSTER 0x03 | |
376 | #define UAC2_DP_UNDERFFLOW 0x04 | |
377 | #define UAC2_DP_OVERFLOW 0x05 | |
378 | #define UAC2_DP_LATENCY 0x06 | |
379 | ||
380 | /* A.17.9.3 Stereo Expander Processing Unit Control Selectors */ | |
381 | #define UAC2_ST_EXT_UNDEFINED 0x00 | |
382 | #define UAC2_ST_EXT_ENABLE 0x01 | |
383 | #define UAC2_ST_EXT_WIDTH 0x02 | |
384 | #define UAC2_ST_EXT_UNDEFLOW 0x03 | |
385 | #define UAC2_ST_EXT_OVERFLOW 0x04 | |
386 | #define UAC2_ST_EXT_LATENCY 0x05 | |
387 | ||
388 | /* A.17.10 Extension Unit Control Selectors */ | |
389 | #define UAC2_XU_UNDEFINED 0x00 | |
390 | #define UAC2_XU_ENABLE 0x01 | |
391 | #define UAC2_XU_CLUSTER 0x02 | |
392 | #define UAC2_XU_UNDERFLOW 0x03 | |
393 | #define UAC2_XU_OVERFLOW 0x04 | |
394 | #define UAC2_XU_LATENCY 0x05 | |
395 | ||
396 | /* A.17.11 AudioStreaming Interface Control Selectors */ | |
397 | #define UAC2_AS_UNDEFINED 0x00 | |
398 | #define UAC2_AS_ACT_ALT_SETTING 0x01 | |
399 | #define UAC2_AS_VAL_ALT_SETTINGS 0x02 | |
400 | #define UAC2_AS_AUDIO_DATA_FORMAT 0x03 | |
401 | ||
402 | /* A.17.12 Encoder Control Selectors */ | |
403 | #define UAC2_EN_UNDEFINED 0x00 | |
404 | #define UAC2_EN_BIT_RATE 0x01 | |
405 | #define UAC2_EN_QUALITY 0x02 | |
406 | #define UAC2_EN_VBR 0x03 | |
407 | #define UAC2_EN_TYPE 0x04 | |
408 | #define UAC2_EN_UNDERFLOW 0x05 | |
409 | #define UAC2_EN_OVERFLOW 0x06 | |
410 | #define UAC2_EN_ENCODER_ERROR 0x07 | |
411 | #define UAC2_EN_PARAM1 0x08 | |
412 | #define UAC2_EN_PARAM2 0x09 | |
413 | #define UAC2_EN_PARAM3 0x0a | |
414 | #define UAC2_EN_PARAM4 0x0b | |
415 | #define UAC2_EN_PARAM5 0x0c | |
416 | #define UAC2_EN_PARAM6 0x0d | |
417 | #define UAC2_EN_PARAM7 0x0e | |
418 | #define UAC2_EN_PARAM8 0x0f | |
419 | ||
420 | /* A.17.13.1 MPEG Decoder Control Selectors */ | |
421 | #define UAC2_MPEG_UNDEFINED 0x00 | |
422 | #define UAC2_MPEG_DUAL_CHANNEL 0x01 | |
423 | #define UAC2_MPEG_SECOND_STEREO 0x02 | |
424 | #define UAC2_MPEG_MULTILINGUAL 0x03 | |
425 | #define UAC2_MPEG_DYN_RANGE 0x04 | |
426 | #define UAC2_MPEG_SCALING 0x05 | |
427 | #define UAC2_MPEG_HILO_SCALING 0x06 | |
428 | #define UAC2_MPEG_UNDERFLOW 0x07 | |
429 | #define UAC2_MPEG_OVERFLOW 0x08 | |
430 | #define UAC2_MPEG_DECODER_ERROR 0x09 | |
431 | ||
432 | /* A17.13.2 AC3 Decoder Control Selectors */ | |
433 | #define UAC2_AC3_UNDEFINED 0x00 | |
434 | #define UAC2_AC3_MODE 0x01 | |
435 | #define UAC2_AC3_DYN_RANGE 0x02 | |
436 | #define UAC2_AC3_SCALING 0x03 | |
437 | #define UAC2_AC3_HILO_SCALING 0x04 | |
438 | #define UAC2_AC3_UNDERFLOW 0x05 | |
439 | #define UAC2_AC3_OVERFLOW 0x06 | |
440 | #define UAC2_AC3_DECODER_ERROR 0x07 | |
441 | ||
442 | /* A17.13.3 WMA Decoder Control Selectors */ | |
443 | #define UAC2_WMA_UNDEFINED 0x00 | |
444 | #define UAC2_WMA_UNDERFLOW 0x01 | |
445 | #define UAC2_WMA_OVERFLOW 0x02 | |
446 | #define UAC2_WMA_DECODER_ERROR 0x03 | |
447 | ||
448 | /* A17.13.4 DTS Decoder Control Selectors */ | |
449 | #define UAC2_DTS_UNDEFINED 0x00 | |
450 | #define UAC2_DTS_UNDERFLOW 0x01 | |
451 | #define UAC2_DTS_OVERFLOW 0x02 | |
452 | #define UAC2_DTS_DECODER_ERROR 0x03 | |
453 | ||
454 | /* A17.14 Endpoint Control Selectors */ | |
455 | #define UAC2_EP_CS_UNDEFINED 0x00 | |
456 | #define UAC2_EP_CS_PITCH 0x01 | |
457 | #define UAC2_EP_CS_DATA_OVERRUN 0x02 | |
458 | #define UAC2_EP_CS_DATA_UNDERRUN 0x03 | |
459 | ||
460 | #endif /* __LINUX_USB_AUDIO_V2_H */ | |
461 |