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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/include/uapi/linux/usb/video.h
....@@ -179,6 +179,36 @@
179179 #define UVC_CONTROL_CAP_AUTOUPDATE			(1 << 3)
180180 #define UVC_CONTROL_CAP_ASYNCHRONOUS			(1 << 4)
181181 
182
+/* 3.9.2.6 Color Matching Descriptor Values */
183
+enum uvc_color_primaries_values {
184
+	UVC_COLOR_PRIMARIES_UNSPECIFIED,
185
+	UVC_COLOR_PRIMARIES_BT_709_SRGB,
186
+	UVC_COLOR_PRIMARIES_BT_470_2_M,
187
+	UVC_COLOR_PRIMARIES_BT_470_2_B_G,
188
+	UVC_COLOR_PRIMARIES_SMPTE_170M,
189
+	UVC_COLOR_PRIMARIES_SMPTE_240M,
190
+};
191
+
192
+enum uvc_transfer_characteristics_values {
193
+	UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED,
194
+	UVC_TRANSFER_CHARACTERISTICS_BT_709,
195
+	UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M,
196
+	UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G,
197
+	UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M,
198
+	UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M,
199
+	UVC_TRANSFER_CHARACTERISTICS_LINEAR,
200
+	UVC_TRANSFER_CHARACTERISTICS_SRGB,
201
+};
202
+
203
+enum uvc_matrix_coefficients {
204
+	UVC_MATRIX_COEFFICIENTS_UNSPECIFIED,
205
+	UVC_MATRIX_COEFFICIENTS_BT_709,
206
+	UVC_MATRIX_COEFFICIENTS_FCC,
207
+	UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G,
208
+	UVC_MATRIX_COEFFICIENTS_SMPTE_170M,
209
+	UVC_MATRIX_COEFFICIENTS_SMPTE_240M,
210
+};
211
+
182212 /* ------------------------------------------------------------------------
183213  * UVC structures
184214  */
....@@ -192,14 +222,14 @@
192222 
193223 /* 3.7.2. Video Control Interface Header Descriptor */
194224 struct uvc_header_descriptor {
195
-	__u8  bLength;
196
-	__u8  bDescriptorType;
197
-	__u8  bDescriptorSubType;
198
-	__u16 bcdUVC;
199
-	__u16 wTotalLength;
200
-	__u32 dwClockFrequency;
201
-	__u8  bInCollection;
202
-	__u8  baInterfaceNr[];
225
+	__u8   bLength;
226
+	__u8   bDescriptorType;
227
+	__u8   bDescriptorSubType;
228
+	__le16 bcdUVC;
229
+	__le16 wTotalLength;
230
+	__le32 dwClockFrequency;
231
+	__u8   bInCollection;
232
+	__u8   baInterfaceNr[];
203233 } __attribute__((__packed__));
204234 
205235 #define UVC_DT_HEADER_SIZE(n)				(12+(n))
....@@ -209,57 +239,57 @@
209239 
210240 #define DECLARE_UVC_HEADER_DESCRIPTOR(n)		\
211241 struct UVC_HEADER_DESCRIPTOR(n) {			\
212
-	__u8  bLength;					\
213
-	__u8  bDescriptorType;				\
214
-	__u8  bDescriptorSubType;			\
215
-	__u16 bcdUVC;					\
216
-	__u16 wTotalLength;				\
217
-	__u32 dwClockFrequency;				\
218
-	__u8  bInCollection;				\
219
-	__u8  baInterfaceNr[n];				\
242
+	__u8   bLength;					\
243
+	__u8   bDescriptorType;				\
244
+	__u8   bDescriptorSubType;			\
245
+	__le16 bcdUVC;					\
246
+	__le16 wTotalLength;				\
247
+	__le32 dwClockFrequency;			\
248
+	__u8   bInCollection;				\
249
+	__u8   baInterfaceNr[n];			\
220250 } __attribute__ ((packed))
221251 
222252 /* 3.7.2.1. Input Terminal Descriptor */
223253 struct uvc_input_terminal_descriptor {
224
-	__u8  bLength;
225
-	__u8  bDescriptorType;
226
-	__u8  bDescriptorSubType;
227
-	__u8  bTerminalID;
228
-	__u16 wTerminalType;
229
-	__u8  bAssocTerminal;
230
-	__u8  iTerminal;
254
+	__u8   bLength;
255
+	__u8   bDescriptorType;
256
+	__u8   bDescriptorSubType;
257
+	__u8   bTerminalID;
258
+	__le16 wTerminalType;
259
+	__u8   bAssocTerminal;
260
+	__u8   iTerminal;
231261 } __attribute__((__packed__));
232262 
233263 #define UVC_DT_INPUT_TERMINAL_SIZE			8
234264 
235265 /* 3.7.2.2. Output Terminal Descriptor */
236266 struct uvc_output_terminal_descriptor {
237
-	__u8  bLength;
238
-	__u8  bDescriptorType;
239
-	__u8  bDescriptorSubType;
240
-	__u8  bTerminalID;
241
-	__u16 wTerminalType;
242
-	__u8  bAssocTerminal;
243
-	__u8  bSourceID;
244
-	__u8  iTerminal;
267
+	__u8   bLength;
268
+	__u8   bDescriptorType;
269
+	__u8   bDescriptorSubType;
270
+	__u8   bTerminalID;
271
+	__le16 wTerminalType;
272
+	__u8   bAssocTerminal;
273
+	__u8   bSourceID;
274
+	__u8   iTerminal;
245275 } __attribute__((__packed__));
246276 
247277 #define UVC_DT_OUTPUT_TERMINAL_SIZE			9
248278 
249279 /* 3.7.2.3. Camera Terminal Descriptor */
250280 struct uvc_camera_terminal_descriptor {
251
-	__u8  bLength;
252
-	__u8  bDescriptorType;
253
-	__u8  bDescriptorSubType;
254
-	__u8  bTerminalID;
255
-	__u16 wTerminalType;
256
-	__u8  bAssocTerminal;
257
-	__u8  iTerminal;
258
-	__u16 wObjectiveFocalLengthMin;
259
-	__u16 wObjectiveFocalLengthMax;
260
-	__u16 wOcularFocalLength;
261
-	__u8  bControlSize;
262
-	__u8  bmControls[3];
281
+	__u8   bLength;
282
+	__u8   bDescriptorType;
283
+	__u8   bDescriptorSubType;
284
+	__u8   bTerminalID;
285
+	__le16 wTerminalType;
286
+	__u8   bAssocTerminal;
287
+	__u8   iTerminal;
288
+	__le16 wObjectiveFocalLengthMin;
289
+	__le16 wObjectiveFocalLengthMax;
290
+	__le16 wOcularFocalLength;
291
+	__u8   bControlSize;
292
+	__u8   bmControls[3];
263293 } __attribute__((__packed__));
264294 
265295 #define UVC_DT_CAMERA_TERMINAL_SIZE(n)			(15+(n))
....@@ -293,18 +323,19 @@
293323 
294324 /* 3.7.2.5. Processing Unit Descriptor */
295325 struct uvc_processing_unit_descriptor {
296
-	__u8  bLength;
297
-	__u8  bDescriptorType;
298
-	__u8  bDescriptorSubType;
299
-	__u8  bUnitID;
300
-	__u8  bSourceID;
301
-	__u16 wMaxMultiplier;
302
-	__u8  bControlSize;
303
-	__u8  bmControls[2];
304
-	__u8  iProcessing;
326
+	__u8   bLength;
327
+	__u8   bDescriptorType;
328
+	__u8   bDescriptorSubType;
329
+	__u8   bUnitID;
330
+	__u8   bSourceID;
331
+	__le16 wMaxMultiplier;
332
+	__u8   bControlSize;
333
+	__u8   bmControls[2];
334
+	__u8   iProcessing;
335
+	__u8   bmVideoStandards;
305336 } __attribute__((__packed__));
306337 
307
-#define UVC_DT_PROCESSING_UNIT_SIZE(n)			(9+(n))
338
+#define UVC_DT_PROCESSING_UNIT_SIZE(n)			(10+(n))
308339 
309340 /* 3.7.2.6. Extension Unit Descriptor */
310341 struct uvc_extension_unit_descriptor {
....@@ -343,29 +374,29 @@
343374 
344375 /* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
345376 struct uvc_control_endpoint_descriptor {
346
-	__u8  bLength;
347
-	__u8  bDescriptorType;
348
-	__u8  bDescriptorSubType;
349
-	__u16 wMaxTransferSize;
377
+	__u8   bLength;
378
+	__u8   bDescriptorType;
379
+	__u8   bDescriptorSubType;
380
+	__le16 wMaxTransferSize;
350381 } __attribute__((__packed__));
351382 
352383 #define UVC_DT_CONTROL_ENDPOINT_SIZE			5
353384 
354385 /* 3.9.2.1. Input Header Descriptor */
355386 struct uvc_input_header_descriptor {
356
-	__u8  bLength;
357
-	__u8  bDescriptorType;
358
-	__u8  bDescriptorSubType;
359
-	__u8  bNumFormats;
360
-	__u16 wTotalLength;
361
-	__u8  bEndpointAddress;
362
-	__u8  bmInfo;
363
-	__u8  bTerminalLink;
364
-	__u8  bStillCaptureMethod;
365
-	__u8  bTriggerSupport;
366
-	__u8  bTriggerUsage;
367
-	__u8  bControlSize;
368
-	__u8  bmaControls[];
387
+	__u8   bLength;
388
+	__u8   bDescriptorType;
389
+	__u8   bDescriptorSubType;
390
+	__u8   bNumFormats;
391
+	__le16 wTotalLength;
392
+	__u8   bEndpointAddress;
393
+	__u8   bmInfo;
394
+	__u8   bTerminalLink;
395
+	__u8   bStillCaptureMethod;
396
+	__u8   bTriggerSupport;
397
+	__u8   bTriggerUsage;
398
+	__u8   bControlSize;
399
+	__u8   bmaControls[];
369400 } __attribute__((__packed__));
370401 
371402 #define UVC_DT_INPUT_HEADER_SIZE(n, p)			(13+(n*p))
....@@ -375,32 +406,32 @@
375406 
376407 #define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p)	\
377408 struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) {		\
378
-	__u8  bLength;					\
379
-	__u8  bDescriptorType;				\
380
-	__u8  bDescriptorSubType;			\
381
-	__u8  bNumFormats;				\
382
-	__u16 wTotalLength;				\
383
-	__u8  bEndpointAddress;				\
384
-	__u8  bmInfo;					\
385
-	__u8  bTerminalLink;				\
386
-	__u8  bStillCaptureMethod;			\
387
-	__u8  bTriggerSupport;				\
388
-	__u8  bTriggerUsage;				\
389
-	__u8  bControlSize;				\
390
-	__u8  bmaControls[p][n];			\
409
+	__u8   bLength;					\
410
+	__u8   bDescriptorType;				\
411
+	__u8   bDescriptorSubType;			\
412
+	__u8   bNumFormats;				\
413
+	__le16 wTotalLength;				\
414
+	__u8   bEndpointAddress;			\
415
+	__u8   bmInfo;					\
416
+	__u8   bTerminalLink;				\
417
+	__u8   bStillCaptureMethod;			\
418
+	__u8   bTriggerSupport;				\
419
+	__u8   bTriggerUsage;				\
420
+	__u8   bControlSize;				\
421
+	__u8   bmaControls[p][n];			\
391422 } __attribute__ ((packed))
392423 
393424 /* 3.9.2.2. Output Header Descriptor */
394425 struct uvc_output_header_descriptor {
395
-	__u8  bLength;
396
-	__u8  bDescriptorType;
397
-	__u8  bDescriptorSubType;
398
-	__u8  bNumFormats;
399
-	__u16 wTotalLength;
400
-	__u8  bEndpointAddress;
401
-	__u8  bTerminalLink;
402
-	__u8  bControlSize;
403
-	__u8  bmaControls[];
426
+	__u8   bLength;
427
+	__u8   bDescriptorType;
428
+	__u8   bDescriptorSubType;
429
+	__u8   bNumFormats;
430
+	__le16 wTotalLength;
431
+	__u8   bEndpointAddress;
432
+	__u8   bTerminalLink;
433
+	__u8   bControlSize;
434
+	__u8   bmaControls[];
404435 } __attribute__((__packed__));
405436 
406437 #define UVC_DT_OUTPUT_HEADER_SIZE(n, p)			(9+(n*p))
....@@ -410,15 +441,15 @@
410441 
411442 #define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p)	\
412443 struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) {		\
413
-	__u8  bLength;					\
414
-	__u8  bDescriptorType;				\
415
-	__u8  bDescriptorSubType;			\
416
-	__u8  bNumFormats;				\
417
-	__u16 wTotalLength;				\
418
-	__u8  bEndpointAddress;				\
419
-	__u8  bTerminalLink;				\
420
-	__u8  bControlSize;				\
421
-	__u8  bmaControls[p][n];			\
444
+	__u8   bLength;					\
445
+	__u8   bDescriptorType;				\
446
+	__u8   bDescriptorSubType;			\
447
+	__u8   bNumFormats;				\
448
+	__le16 wTotalLength;				\
449
+	__u8   bEndpointAddress;			\
450
+	__u8   bTerminalLink;				\
451
+	__u8   bControlSize;				\
452
+	__u8   bmaControls[p][n];			\
422453 } __attribute__ ((packed))
423454 
424455 /* 3.9.2.6. Color matching descriptor */
....@@ -473,19 +504,19 @@
473504 
474505 /* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
475506 struct uvc_frame_uncompressed {
476
-	__u8  bLength;
477
-	__u8  bDescriptorType;
478
-	__u8  bDescriptorSubType;
479
-	__u8  bFrameIndex;
480
-	__u8  bmCapabilities;
481
-	__u16 wWidth;
482
-	__u16 wHeight;
483
-	__u32 dwMinBitRate;
484
-	__u32 dwMaxBitRate;
485
-	__u32 dwMaxVideoFrameBufferSize;
486
-	__u32 dwDefaultFrameInterval;
487
-	__u8  bFrameIntervalType;
488
-	__u32 dwFrameInterval[];
507
+	__u8   bLength;
508
+	__u8   bDescriptorType;
509
+	__u8   bDescriptorSubType;
510
+	__u8   bFrameIndex;
511
+	__u8   bmCapabilities;
512
+	__le16 wWidth;
513
+	__le16 wHeight;
514
+	__le32 dwMinBitRate;
515
+	__le32 dwMaxBitRate;
516
+	__le32 dwMaxVideoFrameBufferSize;
517
+	__le32 dwDefaultFrameInterval;
518
+	__u8   bFrameIntervalType;
519
+	__le32 dwFrameInterval[];
489520 } __attribute__((__packed__));
490521 
491522 #define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n)		(26+4*(n))
....@@ -495,19 +526,19 @@
495526 
496527 #define DECLARE_UVC_FRAME_UNCOMPRESSED(n)		\
497528 struct UVC_FRAME_UNCOMPRESSED(n) {			\
498
-	__u8  bLength;					\
499
-	__u8  bDescriptorType;				\
500
-	__u8  bDescriptorSubType;			\
501
-	__u8  bFrameIndex;				\
502
-	__u8  bmCapabilities;				\
503
-	__u16 wWidth;					\
504
-	__u16 wHeight;					\
505
-	__u32 dwMinBitRate;				\
506
-	__u32 dwMaxBitRate;				\
507
-	__u32 dwMaxVideoFrameBufferSize;		\
508
-	__u32 dwDefaultFrameInterval;			\
509
-	__u8  bFrameIntervalType;			\
510
-	__u32 dwFrameInterval[n];			\
529
+	__u8   bLength;					\
530
+	__u8   bDescriptorType;				\
531
+	__u8   bDescriptorSubType;			\
532
+	__u8   bFrameIndex;				\
533
+	__u8   bmCapabilities;				\
534
+	__le16 wWidth;					\
535
+	__le16 wHeight;					\
536
+	__le32 dwMinBitRate;				\
537
+	__le32 dwMaxBitRate;				\
538
+	__le32 dwMaxVideoFrameBufferSize;		\
539
+	__le32 dwDefaultFrameInterval;			\
540
+	__u8   bFrameIntervalType;			\
541
+	__le32 dwFrameInterval[n];			\
511542 } __attribute__ ((packed))
512543 
513544 /* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
....@@ -529,19 +560,19 @@
529560 
530561 /* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
531562 struct uvc_frame_mjpeg {
532
-	__u8  bLength;
533
-	__u8  bDescriptorType;
534
-	__u8  bDescriptorSubType;
535
-	__u8  bFrameIndex;
536
-	__u8  bmCapabilities;
537
-	__u16 wWidth;
538
-	__u16 wHeight;
539
-	__u32 dwMinBitRate;
540
-	__u32 dwMaxBitRate;
541
-	__u32 dwMaxVideoFrameBufferSize;
542
-	__u32 dwDefaultFrameInterval;
543
-	__u8  bFrameIntervalType;
544
-	__u32 dwFrameInterval[];
563
+	__u8   bLength;
564
+	__u8   bDescriptorType;
565
+	__u8   bDescriptorSubType;
566
+	__u8   bFrameIndex;
567
+	__u8   bmCapabilities;
568
+	__le16 wWidth;
569
+	__le16 wHeight;
570
+	__le32 dwMinBitRate;
571
+	__le32 dwMaxBitRate;
572
+	__le32 dwMaxVideoFrameBufferSize;
573
+	__le32 dwDefaultFrameInterval;
574
+	__u8   bFrameIntervalType;
575
+	__le32 dwFrameInterval[];
545576 } __attribute__((__packed__));
546577 
547578 #define UVC_DT_FRAME_MJPEG_SIZE(n)			(26+4*(n))
....@@ -551,19 +582,19 @@
551582 
552583 #define DECLARE_UVC_FRAME_MJPEG(n)			\
553584 struct UVC_FRAME_MJPEG(n) {				\
554
-	__u8  bLength;					\
555
-	__u8  bDescriptorType;				\
556
-	__u8  bDescriptorSubType;			\
557
-	__u8  bFrameIndex;				\
558
-	__u8  bmCapabilities;				\
559
-	__u16 wWidth;					\
560
-	__u16 wHeight;					\
561
-	__u32 dwMinBitRate;				\
562
-	__u32 dwMaxBitRate;				\
563
-	__u32 dwMaxVideoFrameBufferSize;		\
564
-	__u32 dwDefaultFrameInterval;			\
565
-	__u8  bFrameIntervalType;			\
566
-	__u32 dwFrameInterval[n];			\
585
+	__u8   bLength;					\
586
+	__u8   bDescriptorType;				\
587
+	__u8   bDescriptorSubType;			\
588
+	__u8   bFrameIndex;				\
589
+	__u8   bmCapabilities;				\
590
+	__le16 wWidth;					\
591
+	__le16 wHeight;					\
592
+	__le32 dwMinBitRate;				\
593
+	__le32 dwMaxBitRate;				\
594
+	__le32 dwMaxVideoFrameBufferSize;		\
595
+	__le32 dwDefaultFrameInterval;			\
596
+	__u8   bFrameIntervalType;			\
597
+	__le32 dwFrameInterval[n];			\
567598 } __attribute__ ((packed))
568599 
569600 /* Frame Based Payload - 3.1.1. Frame Based Video Format Descriptor */