1
2
3
4
5
6
7
8
9
10
11
12
13
14
15#ifndef __LINUX_USB_VIDEO_H
16#define __LINUX_USB_VIDEO_H
17
18#include <linux/types.h>
19
20
21
22
23
24
25#define UVC_SC_UNDEFINED 0x00
26#define UVC_SC_VIDEOCONTROL 0x01
27#define UVC_SC_VIDEOSTREAMING 0x02
28#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03
29
30
31#define UVC_PC_PROTOCOL_UNDEFINED 0x00
32#define UVC_PC_PROTOCOL_15 0x01
33
34
35#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00
36#define UVC_VC_HEADER 0x01
37#define UVC_VC_INPUT_TERMINAL 0x02
38#define UVC_VC_OUTPUT_TERMINAL 0x03
39#define UVC_VC_SELECTOR_UNIT 0x04
40#define UVC_VC_PROCESSING_UNIT 0x05
41#define UVC_VC_EXTENSION_UNIT 0x06
42
43
44#define UVC_VS_UNDEFINED 0x00
45#define UVC_VS_INPUT_HEADER 0x01
46#define UVC_VS_OUTPUT_HEADER 0x02
47#define UVC_VS_STILL_IMAGE_FRAME 0x03
48#define UVC_VS_FORMAT_UNCOMPRESSED 0x04
49#define UVC_VS_FRAME_UNCOMPRESSED 0x05
50#define UVC_VS_FORMAT_MJPEG 0x06
51#define UVC_VS_FRAME_MJPEG 0x07
52#define UVC_VS_FORMAT_MPEG2TS 0x0a
53#define UVC_VS_FORMAT_DV 0x0c
54#define UVC_VS_COLORFORMAT 0x0d
55#define UVC_VS_FORMAT_FRAME_BASED 0x10
56#define UVC_VS_FRAME_FRAME_BASED 0x11
57#define UVC_VS_FORMAT_STREAM_BASED 0x12
58
59
60#define UVC_EP_UNDEFINED 0x00
61#define UVC_EP_GENERAL 0x01
62#define UVC_EP_ENDPOINT 0x02
63#define UVC_EP_INTERRUPT 0x03
64
65
66#define UVC_RC_UNDEFINED 0x00
67#define UVC_SET_CUR 0x01
68#define UVC_GET_CUR 0x81
69#define UVC_GET_MIN 0x82
70#define UVC_GET_MAX 0x83
71#define UVC_GET_RES 0x84
72#define UVC_GET_LEN 0x85
73#define UVC_GET_INFO 0x86
74#define UVC_GET_DEF 0x87
75
76
77#define UVC_VC_CONTROL_UNDEFINED 0x00
78#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01
79#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02
80
81
82#define UVC_TE_CONTROL_UNDEFINED 0x00
83
84
85#define UVC_SU_CONTROL_UNDEFINED 0x00
86#define UVC_SU_INPUT_SELECT_CONTROL 0x01
87
88
89#define UVC_CT_CONTROL_UNDEFINED 0x00
90#define UVC_CT_SCANNING_MODE_CONTROL 0x01
91#define UVC_CT_AE_MODE_CONTROL 0x02
92#define UVC_CT_AE_PRIORITY_CONTROL 0x03
93#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04
94#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05
95#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06
96#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07
97#define UVC_CT_FOCUS_AUTO_CONTROL 0x08
98#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09
99#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a
100#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b
101#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c
102#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d
103#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e
104#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f
105#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10
106#define UVC_CT_PRIVACY_CONTROL 0x11
107
108
109#define UVC_PU_CONTROL_UNDEFINED 0x00
110#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01
111#define UVC_PU_BRIGHTNESS_CONTROL 0x02
112#define UVC_PU_CONTRAST_CONTROL 0x03
113#define UVC_PU_GAIN_CONTROL 0x04
114#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05
115#define UVC_PU_HUE_CONTROL 0x06
116#define UVC_PU_SATURATION_CONTROL 0x07
117#define UVC_PU_SHARPNESS_CONTROL 0x08
118#define UVC_PU_GAMMA_CONTROL 0x09
119#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a
120#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b
121#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c
122#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d
123#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e
124#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f
125#define UVC_PU_HUE_AUTO_CONTROL 0x10
126#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11
127#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12
128
129
130#define UVC_VS_CONTROL_UNDEFINED 0x00
131#define UVC_VS_PROBE_CONTROL 0x01
132#define UVC_VS_COMMIT_CONTROL 0x02
133#define UVC_VS_STILL_PROBE_CONTROL 0x03
134#define UVC_VS_STILL_COMMIT_CONTROL 0x04
135#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05
136#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06
137#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07
138#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08
139#define UVC_VS_SYNC_DELAY_CONTROL 0x09
140
141
142#define UVC_TT_VENDOR_SPECIFIC 0x0100
143#define UVC_TT_STREAMING 0x0101
144
145
146#define UVC_ITT_VENDOR_SPECIFIC 0x0200
147#define UVC_ITT_CAMERA 0x0201
148#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202
149
150
151#define UVC_OTT_VENDOR_SPECIFIC 0x0300
152#define UVC_OTT_DISPLAY 0x0301
153#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302
154
155
156#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400
157#define UVC_COMPOSITE_CONNECTOR 0x0401
158#define UVC_SVIDEO_CONNECTOR 0x0402
159#define UVC_COMPONENT_CONNECTOR 0x0403
160
161
162#define UVC_STATUS_TYPE_CONTROL 1
163#define UVC_STATUS_TYPE_STREAMING 2
164
165
166#define UVC_STREAM_EOH (1 << 7)
167#define UVC_STREAM_ERR (1 << 6)
168#define UVC_STREAM_STI (1 << 5)
169#define UVC_STREAM_RES (1 << 4)
170#define UVC_STREAM_SCR (1 << 3)
171#define UVC_STREAM_PTS (1 << 2)
172#define UVC_STREAM_EOF (1 << 1)
173#define UVC_STREAM_FID (1 << 0)
174
175
176#define UVC_CONTROL_CAP_GET (1 << 0)
177#define UVC_CONTROL_CAP_SET (1 << 1)
178#define UVC_CONTROL_CAP_DISABLED (1 << 2)
179#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)
180#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)
181
182
183
184
185
186
187struct uvc_descriptor_header {
188 __u8 bLength;
189 __u8 bDescriptorType;
190 __u8 bDescriptorSubType;
191} __attribute__((packed));
192
193
194struct uvc_header_descriptor {
195 __u8 bLength;
196 __u8 bDescriptorType;
197 __u8 bDescriptorSubType;
198 __le16 bcdUVC;
199 __le16 wTotalLength;
200 __le32 dwClockFrequency;
201 __u8 bInCollection;
202 __u8 baInterfaceNr[];
203} __attribute__((__packed__));
204
205#define UVC_DT_HEADER_SIZE(n) (12+(n))
206
207#define UVC_HEADER_DESCRIPTOR(n) \
208 uvc_header_descriptor_##n
209
210#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \
211struct UVC_HEADER_DESCRIPTOR(n) { \
212 __u8 bLength; \
213 __u8 bDescriptorType; \
214 __u8 bDescriptorSubType; \
215 __le16 bcdUVC; \
216 __le16 wTotalLength; \
217 __le32 dwClockFrequency; \
218 __u8 bInCollection; \
219 __u8 baInterfaceNr[n]; \
220} __attribute__ ((packed))
221
222
223struct uvc_input_terminal_descriptor {
224 __u8 bLength;
225 __u8 bDescriptorType;
226 __u8 bDescriptorSubType;
227 __u8 bTerminalID;
228 __le16 wTerminalType;
229 __u8 bAssocTerminal;
230 __u8 iTerminal;
231} __attribute__((__packed__));
232
233#define UVC_DT_INPUT_TERMINAL_SIZE 8
234
235
236struct uvc_output_terminal_descriptor {
237 __u8 bLength;
238 __u8 bDescriptorType;
239 __u8 bDescriptorSubType;
240 __u8 bTerminalID;
241 __le16 wTerminalType;
242 __u8 bAssocTerminal;
243 __u8 bSourceID;
244 __u8 iTerminal;
245} __attribute__((__packed__));
246
247#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
248
249
250struct uvc_camera_terminal_descriptor {
251 __u8 bLength;
252 __u8 bDescriptorType;
253 __u8 bDescriptorSubType;
254 __u8 bTerminalID;
255 __le16 wTerminalType;
256 __u8 bAssocTerminal;
257 __u8 iTerminal;
258 __le16 wObjectiveFocalLengthMin;
259 __le16 wObjectiveFocalLengthMax;
260 __le16 wOcularFocalLength;
261 __u8 bControlSize;
262 __u8 bmControls[3];
263} __attribute__((__packed__));
264
265#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
266
267
268struct uvc_selector_unit_descriptor {
269 __u8 bLength;
270 __u8 bDescriptorType;
271 __u8 bDescriptorSubType;
272 __u8 bUnitID;
273 __u8 bNrInPins;
274 __u8 baSourceID[0];
275 __u8 iSelector;
276} __attribute__((__packed__));
277
278#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n))
279
280#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
281 uvc_selector_unit_descriptor_##n
282
283#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
284struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \
285 __u8 bLength; \
286 __u8 bDescriptorType; \
287 __u8 bDescriptorSubType; \
288 __u8 bUnitID; \
289 __u8 bNrInPins; \
290 __u8 baSourceID[n]; \
291 __u8 iSelector; \
292} __attribute__ ((packed))
293
294
295struct uvc_processing_unit_descriptor {
296 __u8 bLength;
297 __u8 bDescriptorType;
298 __u8 bDescriptorSubType;
299 __u8 bUnitID;
300 __u8 bSourceID;
301 __le16 wMaxMultiplier;
302 __u8 bControlSize;
303 __u8 bmControls[2];
304 __u8 iProcessing;
305 __u8 bmVideoStandards;
306} __attribute__((__packed__));
307
308#define UVC_DT_PROCESSING_UNIT_SIZE(n) (10+(n))
309
310
311struct uvc_extension_unit_descriptor {
312 __u8 bLength;
313 __u8 bDescriptorType;
314 __u8 bDescriptorSubType;
315 __u8 bUnitID;
316 __u8 guidExtensionCode[16];
317 __u8 bNumControls;
318 __u8 bNrInPins;
319 __u8 baSourceID[0];
320 __u8 bControlSize;
321 __u8 bmControls[0];
322 __u8 iExtension;
323} __attribute__((__packed__));
324
325#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
326
327#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
328 uvc_extension_unit_descriptor_##p_##n
329
330#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
331struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
332 __u8 bLength; \
333 __u8 bDescriptorType; \
334 __u8 bDescriptorSubType; \
335 __u8 bUnitID; \
336 __u8 guidExtensionCode[16]; \
337 __u8 bNumControls; \
338 __u8 bNrInPins; \
339 __u8 baSourceID[p]; \
340 __u8 bControlSize; \
341 __u8 bmControls[n]; \
342 __u8 iExtension; \
343} __attribute__ ((packed))
344
345
346struct uvc_control_endpoint_descriptor {
347 __u8 bLength;
348 __u8 bDescriptorType;
349 __u8 bDescriptorSubType;
350 __le16 wMaxTransferSize;
351} __attribute__((__packed__));
352
353#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
354
355
356struct uvc_input_header_descriptor {
357 __u8 bLength;
358 __u8 bDescriptorType;
359 __u8 bDescriptorSubType;
360 __u8 bNumFormats;
361 __le16 wTotalLength;
362 __u8 bEndpointAddress;
363 __u8 bmInfo;
364 __u8 bTerminalLink;
365 __u8 bStillCaptureMethod;
366 __u8 bTriggerSupport;
367 __u8 bTriggerUsage;
368 __u8 bControlSize;
369 __u8 bmaControls[];
370} __attribute__((__packed__));
371
372#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
373
374#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
375 uvc_input_header_descriptor_##n_##p
376
377#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
378struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
379 __u8 bLength; \
380 __u8 bDescriptorType; \
381 __u8 bDescriptorSubType; \
382 __u8 bNumFormats; \
383 __le16 wTotalLength; \
384 __u8 bEndpointAddress; \
385 __u8 bmInfo; \
386 __u8 bTerminalLink; \
387 __u8 bStillCaptureMethod; \
388 __u8 bTriggerSupport; \
389 __u8 bTriggerUsage; \
390 __u8 bControlSize; \
391 __u8 bmaControls[p][n]; \
392} __attribute__ ((packed))
393
394
395struct uvc_output_header_descriptor {
396 __u8 bLength;
397 __u8 bDescriptorType;
398 __u8 bDescriptorSubType;
399 __u8 bNumFormats;
400 __le16 wTotalLength;
401 __u8 bEndpointAddress;
402 __u8 bTerminalLink;
403 __u8 bControlSize;
404 __u8 bmaControls[];
405} __attribute__((__packed__));
406
407#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
408
409#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
410 uvc_output_header_descriptor_##n_##p
411
412#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
413struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
414 __u8 bLength; \
415 __u8 bDescriptorType; \
416 __u8 bDescriptorSubType; \
417 __u8 bNumFormats; \
418 __le16 wTotalLength; \
419 __u8 bEndpointAddress; \
420 __u8 bTerminalLink; \
421 __u8 bControlSize; \
422 __u8 bmaControls[p][n]; \
423} __attribute__ ((packed))
424
425
426struct uvc_color_matching_descriptor {
427 __u8 bLength;
428 __u8 bDescriptorType;
429 __u8 bDescriptorSubType;
430 __u8 bColorPrimaries;
431 __u8 bTransferCharacteristics;
432 __u8 bMatrixCoefficients;
433} __attribute__((__packed__));
434
435#define UVC_DT_COLOR_MATCHING_SIZE 6
436
437
438struct uvc_streaming_control {
439 __u16 bmHint;
440 __u8 bFormatIndex;
441 __u8 bFrameIndex;
442 __u32 dwFrameInterval;
443 __u16 wKeyFrameRate;
444 __u16 wPFrameRate;
445 __u16 wCompQuality;
446 __u16 wCompWindowSize;
447 __u16 wDelay;
448 __u32 dwMaxVideoFrameSize;
449 __u32 dwMaxPayloadTransferSize;
450 __u32 dwClockFrequency;
451 __u8 bmFramingInfo;
452 __u8 bPreferedVersion;
453 __u8 bMinVersion;
454 __u8 bMaxVersion;
455} __attribute__((__packed__));
456
457
458struct uvc_format_uncompressed {
459 __u8 bLength;
460 __u8 bDescriptorType;
461 __u8 bDescriptorSubType;
462 __u8 bFormatIndex;
463 __u8 bNumFrameDescriptors;
464 __u8 guidFormat[16];
465 __u8 bBitsPerPixel;
466 __u8 bDefaultFrameIndex;
467 __u8 bAspectRatioX;
468 __u8 bAspectRatioY;
469 __u8 bmInterfaceFlags;
470 __u8 bCopyProtect;
471} __attribute__((__packed__));
472
473#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
474
475
476struct uvc_frame_uncompressed {
477 __u8 bLength;
478 __u8 bDescriptorType;
479 __u8 bDescriptorSubType;
480 __u8 bFrameIndex;
481 __u8 bmCapabilities;
482 __le16 wWidth;
483 __le16 wHeight;
484 __le32 dwMinBitRate;
485 __le32 dwMaxBitRate;
486 __le32 dwMaxVideoFrameBufferSize;
487 __le32 dwDefaultFrameInterval;
488 __u8 bFrameIntervalType;
489 __le32 dwFrameInterval[];
490} __attribute__((__packed__));
491
492#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
493
494#define UVC_FRAME_UNCOMPRESSED(n) \
495 uvc_frame_uncompressed_##n
496
497#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
498struct UVC_FRAME_UNCOMPRESSED(n) { \
499 __u8 bLength; \
500 __u8 bDescriptorType; \
501 __u8 bDescriptorSubType; \
502 __u8 bFrameIndex; \
503 __u8 bmCapabilities; \
504 __le16 wWidth; \
505 __le16 wHeight; \
506 __le32 dwMinBitRate; \
507 __le32 dwMaxBitRate; \
508 __le32 dwMaxVideoFrameBufferSize; \
509 __le32 dwDefaultFrameInterval; \
510 __u8 bFrameIntervalType; \
511 __le32 dwFrameInterval[n]; \
512} __attribute__ ((packed))
513
514
515struct uvc_format_mjpeg {
516 __u8 bLength;
517 __u8 bDescriptorType;
518 __u8 bDescriptorSubType;
519 __u8 bFormatIndex;
520 __u8 bNumFrameDescriptors;
521 __u8 bmFlags;
522 __u8 bDefaultFrameIndex;
523 __u8 bAspectRatioX;
524 __u8 bAspectRatioY;
525 __u8 bmInterfaceFlags;
526 __u8 bCopyProtect;
527} __attribute__((__packed__));
528
529#define UVC_DT_FORMAT_MJPEG_SIZE 11
530
531
532struct uvc_frame_mjpeg {
533 __u8 bLength;
534 __u8 bDescriptorType;
535 __u8 bDescriptorSubType;
536 __u8 bFrameIndex;
537 __u8 bmCapabilities;
538 __le16 wWidth;
539 __le16 wHeight;
540 __le32 dwMinBitRate;
541 __le32 dwMaxBitRate;
542 __le32 dwMaxVideoFrameBufferSize;
543 __le32 dwDefaultFrameInterval;
544 __u8 bFrameIntervalType;
545 __le32 dwFrameInterval[];
546} __attribute__((__packed__));
547
548#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
549
550#define UVC_FRAME_MJPEG(n) \
551 uvc_frame_mjpeg_##n
552
553#define DECLARE_UVC_FRAME_MJPEG(n) \
554struct UVC_FRAME_MJPEG(n) { \
555 __u8 bLength; \
556 __u8 bDescriptorType; \
557 __u8 bDescriptorSubType; \
558 __u8 bFrameIndex; \
559 __u8 bmCapabilities; \
560 __le16 wWidth; \
561 __le16 wHeight; \
562 __le32 dwMinBitRate; \
563 __le32 dwMaxBitRate; \
564 __le32 dwMaxVideoFrameBufferSize; \
565 __le32 dwDefaultFrameInterval; \
566 __u8 bFrameIntervalType; \
567 __le32 dwFrameInterval[n]; \
568} __attribute__ ((packed))
569
570#endif
571
572