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-rw-r--r--include/linux/usb/video.h404
1 files changed, 404 insertions, 0 deletions
diff --git a/include/linux/usb/video.h b/include/linux/usb/video.h
index be436d9ee479..3b3b95e01f71 100644
--- a/include/linux/usb/video.h
+++ b/include/linux/usb/video.h
@@ -160,5 +160,409 @@
160#define UVC_STATUS_TYPE_CONTROL 1 160#define UVC_STATUS_TYPE_CONTROL 1
161#define UVC_STATUS_TYPE_STREAMING 2 161#define UVC_STATUS_TYPE_STREAMING 2
162 162
163/* 2.4.3.3. Payload Header Information */
164#define UVC_STREAM_EOH (1 << 7)
165#define UVC_STREAM_ERR (1 << 6)
166#define UVC_STREAM_STI (1 << 5)
167#define UVC_STREAM_RES (1 << 4)
168#define UVC_STREAM_SCR (1 << 3)
169#define UVC_STREAM_PTS (1 << 2)
170#define UVC_STREAM_EOF (1 << 1)
171#define UVC_STREAM_FID (1 << 0)
172
173/* 4.1.2. Control Capabilities */
174#define UVC_CONTROL_CAP_GET (1 << 0)
175#define UVC_CONTROL_CAP_SET (1 << 1)
176#define UVC_CONTROL_CAP_DISABLED (1 << 2)
177#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)
178#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)
179
180/* ------------------------------------------------------------------------
181 * UVC structures
182 */
183
184/* All UVC descriptors have these 3 fields at the beginning */
185struct uvc_descriptor_header {
186 __u8 bLength;
187 __u8 bDescriptorType;
188 __u8 bDescriptorSubType;
189} __attribute__((packed));
190
191/* 3.7.2. Video Control Interface Header Descriptor */
192struct uvc_header_descriptor {
193 __u8 bLength;
194 __u8 bDescriptorType;
195 __u8 bDescriptorSubType;
196 __u16 bcdUVC;
197 __u16 wTotalLength;
198 __u32 dwClockFrequency;
199 __u8 bInCollection;
200 __u8 baInterfaceNr[];
201} __attribute__((__packed__));
202
203#define UVC_DT_HEADER_SIZE(n) (12+(n))
204
205#define UVC_HEADER_DESCRIPTOR(n) \
206 uvc_header_descriptor_##n
207
208#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \
209struct UVC_HEADER_DESCRIPTOR(n) { \
210 __u8 bLength; \
211 __u8 bDescriptorType; \
212 __u8 bDescriptorSubType; \
213 __u16 bcdUVC; \
214 __u16 wTotalLength; \
215 __u32 dwClockFrequency; \
216 __u8 bInCollection; \
217 __u8 baInterfaceNr[n]; \
218} __attribute__ ((packed))
219
220/* 3.7.2.1. Input Terminal Descriptor */
221struct uvc_input_terminal_descriptor {
222 __u8 bLength;
223 __u8 bDescriptorType;
224 __u8 bDescriptorSubType;
225 __u8 bTerminalID;
226 __u16 wTerminalType;
227 __u8 bAssocTerminal;
228 __u8 iTerminal;
229} __attribute__((__packed__));
230
231#define UVC_DT_INPUT_TERMINAL_SIZE 8
232
233/* 3.7.2.2. Output Terminal Descriptor */
234struct uvc_output_terminal_descriptor {
235 __u8 bLength;
236 __u8 bDescriptorType;
237 __u8 bDescriptorSubType;
238 __u8 bTerminalID;
239 __u16 wTerminalType;
240 __u8 bAssocTerminal;
241 __u8 bSourceID;
242 __u8 iTerminal;
243} __attribute__((__packed__));
244
245#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
246
247/* 3.7.2.3. Camera Terminal Descriptor */
248struct uvc_camera_terminal_descriptor {
249 __u8 bLength;
250 __u8 bDescriptorType;
251 __u8 bDescriptorSubType;
252 __u8 bTerminalID;
253 __u16 wTerminalType;
254 __u8 bAssocTerminal;
255 __u8 iTerminal;
256 __u16 wObjectiveFocalLengthMin;
257 __u16 wObjectiveFocalLengthMax;
258 __u16 wOcularFocalLength;
259 __u8 bControlSize;
260 __u8 bmControls[3];
261} __attribute__((__packed__));
262
263#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
264
265/* 3.7.2.4. Selector Unit Descriptor */
266struct uvc_selector_unit_descriptor {
267 __u8 bLength;
268 __u8 bDescriptorType;
269 __u8 bDescriptorSubType;
270 __u8 bUnitID;
271 __u8 bNrInPins;
272 __u8 baSourceID[0];
273 __u8 iSelector;
274} __attribute__((__packed__));
275
276#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n))
277
278#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
279 uvc_selector_unit_descriptor_##n
280
281#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
282struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \
283 __u8 bLength; \
284 __u8 bDescriptorType; \
285 __u8 bDescriptorSubType; \
286 __u8 bUnitID; \
287 __u8 bNrInPins; \
288 __u8 baSourceID[n]; \
289 __u8 iSelector; \
290} __attribute__ ((packed))
291
292/* 3.7.2.5. Processing Unit Descriptor */
293struct uvc_processing_unit_descriptor {
294 __u8 bLength;
295 __u8 bDescriptorType;
296 __u8 bDescriptorSubType;
297 __u8 bUnitID;
298 __u8 bSourceID;
299 __u16 wMaxMultiplier;
300 __u8 bControlSize;
301 __u8 bmControls[2];
302 __u8 iProcessing;
303} __attribute__((__packed__));
304
305#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))
306
307/* 3.7.2.6. Extension Unit Descriptor */
308struct uvc_extension_unit_descriptor {
309 __u8 bLength;
310 __u8 bDescriptorType;
311 __u8 bDescriptorSubType;
312 __u8 bUnitID;
313 __u8 guidExtensionCode[16];
314 __u8 bNumControls;
315 __u8 bNrInPins;
316 __u8 baSourceID[0];
317 __u8 bControlSize;
318 __u8 bmControls[0];
319 __u8 iExtension;
320} __attribute__((__packed__));
321
322#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
323
324#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
325 uvc_extension_unit_descriptor_##p_##n
326
327#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
328struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
329 __u8 bLength; \
330 __u8 bDescriptorType; \
331 __u8 bDescriptorSubType; \
332 __u8 bUnitID; \
333 __u8 guidExtensionCode[16]; \
334 __u8 bNumControls; \
335 __u8 bNrInPins; \
336 __u8 baSourceID[p]; \
337 __u8 bControlSize; \
338 __u8 bmControls[n]; \
339 __u8 iExtension; \
340} __attribute__ ((packed))
341
342/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
343struct uvc_control_endpoint_descriptor {
344 __u8 bLength;
345 __u8 bDescriptorType;
346 __u8 bDescriptorSubType;
347 __u16 wMaxTransferSize;
348} __attribute__((__packed__));
349
350#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
351
352/* 3.9.2.1. Input Header Descriptor */
353struct uvc_input_header_descriptor {
354 __u8 bLength;
355 __u8 bDescriptorType;
356 __u8 bDescriptorSubType;
357 __u8 bNumFormats;
358 __u16 wTotalLength;
359 __u8 bEndpointAddress;
360 __u8 bmInfo;
361 __u8 bTerminalLink;
362 __u8 bStillCaptureMethod;
363 __u8 bTriggerSupport;
364 __u8 bTriggerUsage;
365 __u8 bControlSize;
366 __u8 bmaControls[];
367} __attribute__((__packed__));
368
369#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
370
371#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
372 uvc_input_header_descriptor_##n_##p
373
374#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
375struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
376 __u8 bLength; \
377 __u8 bDescriptorType; \
378 __u8 bDescriptorSubType; \
379 __u8 bNumFormats; \
380 __u16 wTotalLength; \
381 __u8 bEndpointAddress; \
382 __u8 bmInfo; \
383 __u8 bTerminalLink; \
384 __u8 bStillCaptureMethod; \
385 __u8 bTriggerSupport; \
386 __u8 bTriggerUsage; \
387 __u8 bControlSize; \
388 __u8 bmaControls[p][n]; \
389} __attribute__ ((packed))
390
391/* 3.9.2.2. Output Header Descriptor */
392struct uvc_output_header_descriptor {
393 __u8 bLength;
394 __u8 bDescriptorType;
395 __u8 bDescriptorSubType;
396 __u8 bNumFormats;
397 __u16 wTotalLength;
398 __u8 bEndpointAddress;
399 __u8 bTerminalLink;
400 __u8 bControlSize;
401 __u8 bmaControls[];
402} __attribute__((__packed__));
403
404#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
405
406#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
407 uvc_output_header_descriptor_##n_##p
408
409#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
410struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
411 __u8 bLength; \
412 __u8 bDescriptorType; \
413 __u8 bDescriptorSubType; \
414 __u8 bNumFormats; \
415 __u16 wTotalLength; \
416 __u8 bEndpointAddress; \
417 __u8 bTerminalLink; \
418 __u8 bControlSize; \
419 __u8 bmaControls[p][n]; \
420} __attribute__ ((packed))
421
422/* 3.9.2.6. Color matching descriptor */
423struct uvc_color_matching_descriptor {
424 __u8 bLength;
425 __u8 bDescriptorType;
426 __u8 bDescriptorSubType;
427 __u8 bColorPrimaries;
428 __u8 bTransferCharacteristics;
429 __u8 bMatrixCoefficients;
430} __attribute__((__packed__));
431
432#define UVC_DT_COLOR_MATCHING_SIZE 6
433
434/* 4.3.1.1. Video Probe and Commit Controls */
435struct uvc_streaming_control {
436 __u16 bmHint;
437 __u8 bFormatIndex;
438 __u8 bFrameIndex;
439 __u32 dwFrameInterval;
440 __u16 wKeyFrameRate;
441 __u16 wPFrameRate;
442 __u16 wCompQuality;
443 __u16 wCompWindowSize;
444 __u16 wDelay;
445 __u32 dwMaxVideoFrameSize;
446 __u32 dwMaxPayloadTransferSize;
447 __u32 dwClockFrequency;
448 __u8 bmFramingInfo;
449 __u8 bPreferedVersion;
450 __u8 bMinVersion;
451 __u8 bMaxVersion;
452} __attribute__((__packed__));
453
454/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */
455struct uvc_format_uncompressed {
456 __u8 bLength;
457 __u8 bDescriptorType;
458 __u8 bDescriptorSubType;
459 __u8 bFormatIndex;
460 __u8 bNumFrameDescriptors;
461 __u8 guidFormat[16];
462 __u8 bBitsPerPixel;
463 __u8 bDefaultFrameIndex;
464 __u8 bAspectRatioX;
465 __u8 bAspectRatioY;
466 __u8 bmInterfaceFlags;
467 __u8 bCopyProtect;
468} __attribute__((__packed__));
469
470#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
471
472/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
473struct uvc_frame_uncompressed {
474 __u8 bLength;
475 __u8 bDescriptorType;
476 __u8 bDescriptorSubType;
477 __u8 bFrameIndex;
478 __u8 bmCapabilities;
479 __u16 wWidth;
480 __u16 wHeight;
481 __u32 dwMinBitRate;
482 __u32 dwMaxBitRate;
483 __u32 dwMaxVideoFrameBufferSize;
484 __u32 dwDefaultFrameInterval;
485 __u8 bFrameIntervalType;
486 __u32 dwFrameInterval[];
487} __attribute__((__packed__));
488
489#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
490
491#define UVC_FRAME_UNCOMPRESSED(n) \
492 uvc_frame_uncompressed_##n
493
494#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
495struct UVC_FRAME_UNCOMPRESSED(n) { \
496 __u8 bLength; \
497 __u8 bDescriptorType; \
498 __u8 bDescriptorSubType; \
499 __u8 bFrameIndex; \
500 __u8 bmCapabilities; \
501 __u16 wWidth; \
502 __u16 wHeight; \
503 __u32 dwMinBitRate; \
504 __u32 dwMaxBitRate; \
505 __u32 dwMaxVideoFrameBufferSize; \
506 __u32 dwDefaultFrameInterval; \
507 __u8 bFrameIntervalType; \
508 __u32 dwFrameInterval[n]; \
509} __attribute__ ((packed))
510
511/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
512struct uvc_format_mjpeg {
513 __u8 bLength;
514 __u8 bDescriptorType;
515 __u8 bDescriptorSubType;
516 __u8 bFormatIndex;
517 __u8 bNumFrameDescriptors;
518 __u8 bmFlags;
519 __u8 bDefaultFrameIndex;
520 __u8 bAspectRatioX;
521 __u8 bAspectRatioY;
522 __u8 bmInterfaceFlags;
523 __u8 bCopyProtect;
524} __attribute__((__packed__));
525
526#define UVC_DT_FORMAT_MJPEG_SIZE 11
527
528/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
529struct uvc_frame_mjpeg {
530 __u8 bLength;
531 __u8 bDescriptorType;
532 __u8 bDescriptorSubType;
533 __u8 bFrameIndex;
534 __u8 bmCapabilities;
535 __u16 wWidth;
536 __u16 wHeight;
537 __u32 dwMinBitRate;
538 __u32 dwMaxBitRate;
539 __u32 dwMaxVideoFrameBufferSize;
540 __u32 dwDefaultFrameInterval;
541 __u8 bFrameIntervalType;
542 __u32 dwFrameInterval[];
543} __attribute__((__packed__));
544
545#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
546
547#define UVC_FRAME_MJPEG(n) \
548 uvc_frame_mjpeg_##n
549
550#define DECLARE_UVC_FRAME_MJPEG(n) \
551struct UVC_FRAME_MJPEG(n) { \
552 __u8 bLength; \
553 __u8 bDescriptorType; \
554 __u8 bDescriptorSubType; \
555 __u8 bFrameIndex; \
556 __u8 bmCapabilities; \
557 __u16 wWidth; \
558 __u16 wHeight; \
559 __u32 dwMinBitRate; \
560 __u32 dwMaxBitRate; \
561 __u32 dwMaxVideoFrameBufferSize; \
562 __u32 dwDefaultFrameInterval; \
563 __u8 bFrameIntervalType; \
564 __u32 dwFrameInterval[n]; \
565} __attribute__ ((packed))
566
163#endif /* __LINUX_USB_VIDEO_H */ 567#endif /* __LINUX_USB_VIDEO_H */
164 568
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