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Merge tag 'trace-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[linux-block.git] / include / uapi / linux / usb / video.h
CommitLineData
6f52b16c 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
de05f634
LP		 2/*
3 * USB Video Class definitions.
4 *
5 * Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be>
6 *
7 * This file holds USB constants and structures defined by the USB Device
8 * Class Definition for Video Devices. Unless otherwise stated, comments
9 * below reference relevant sections of the USB Video Class 1.1 specification
10 * available at
11 *
12 * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip
13 */
14
15#ifndef __LINUX_USB_VIDEO_H
16#define __LINUX_USB_VIDEO_H
17
18#include <linux/types.h>
19
20/* --------------------------------------------------------------------------
21 * UVC constants
22 */
23
24/* A.2. Video Interface Subclass Codes */
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/* A.3. Video Interface Protocol Codes */
31#define UVC_PC_PROTOCOL_UNDEFINED 0x00
8afe97be 32#define UVC_PC_PROTOCOL_15 0x01
de05f634
LP		 33
34/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */
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/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */
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/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */
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/* A.8. Video Class-Specific Request Codes */
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/* A.9.1. VideoControl Interface Control Selectors */
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/* A.9.2. Terminal Control Selectors */
82#define UVC_TE_CONTROL_UNDEFINED 0x00
83
84/* A.9.3. Selector Unit Control Selectors */
85#define UVC_SU_CONTROL_UNDEFINED 0x00
86#define UVC_SU_INPUT_SELECT_CONTROL 0x01
87
88/* A.9.4. Camera Terminal Control Selectors */
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/* A.9.5. Processing Unit Control Selectors */
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/* A.9.7. VideoStreaming Interface Control Selectors */
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/* B.1. USB Terminal Types */
142#define UVC_TT_VENDOR_SPECIFIC 0x0100
143#define UVC_TT_STREAMING 0x0101
144
145/* B.2. Input Terminal Types */
146#define UVC_ITT_VENDOR_SPECIFIC 0x0200
147#define UVC_ITT_CAMERA 0x0201
148#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202
149
150/* B.3. Output Terminal Types */
151#define UVC_OTT_VENDOR_SPECIFIC 0x0300
152#define UVC_OTT_DISPLAY 0x0301
153#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302
154
155/* B.4. External Terminal Types */
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/* 2.4.2.2. Status Packet Type */
162#define UVC_STATUS_TYPE_CONTROL 1
163#define UVC_STATUS_TYPE_STREAMING 2
164
bbafc0cb
LP		 165/* 2.4.3.3. Payload Header Information */
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
1b4e21c4
LP		 175/* 4.1.2. Control Capabilities */
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
bbafc0cb
LP		 182/* ------------------------------------------------------------------------
183 * UVC structures
184 */
185
186/* All UVC descriptors have these 3 fields at the beginning */
187struct uvc_descriptor_header {
188 __u8 bLength;
189 __u8 bDescriptorType;
190 __u8 bDescriptorSubType;
191} __attribute__((packed));
192
193/* 3.7.2. Video Control Interface Header Descriptor */
194struct uvc_header_descriptor {
f823b75f
LP		 195 __u8 bLength;
196 __u8 bDescriptorType;
197 __u8 bDescriptorSubType;
198 __le16 bcdUVC;
199 __le16 wTotalLength;
200 __le32 dwClockFrequency;
201 __u8 bInCollection;
202 __u8 baInterfaceNr[];
bbafc0cb
LP		 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) { \
f823b75f
LP		 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]; \
bbafc0cb
LP		 220} __attribute__ ((packed))
221
222/* 3.7.2.1. Input Terminal Descriptor */
223struct uvc_input_terminal_descriptor {
f823b75f
LP		 224 __u8 bLength;
225 __u8 bDescriptorType;
226 __u8 bDescriptorSubType;
227 __u8 bTerminalID;
228 __le16 wTerminalType;
229 __u8 bAssocTerminal;
230 __u8 iTerminal;
bbafc0cb
LP		 231} __attribute__((__packed__));
232
233#define UVC_DT_INPUT_TERMINAL_SIZE 8
234
235/* 3.7.2.2. Output Terminal Descriptor */
236struct uvc_output_terminal_descriptor {
f823b75f
LP		 237 __u8 bLength;
238 __u8 bDescriptorType;
239 __u8 bDescriptorSubType;
240 __u8 bTerminalID;
241 __le16 wTerminalType;
242 __u8 bAssocTerminal;
243 __u8 bSourceID;
244 __u8 iTerminal;
bbafc0cb
LP		 245} __attribute__((__packed__));
246
247#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
248
249/* 3.7.2.3. Camera Terminal Descriptor */
250struct uvc_camera_terminal_descriptor {
f823b75f
LP		 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];
bbafc0cb
LP		 263} __attribute__((__packed__));
264
265#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
266
267/* 3.7.2.4. Selector Unit Descriptor */
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/* 3.7.2.5. Processing Unit Descriptor */
295struct uvc_processing_unit_descriptor {
f823b75f
LP		 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;
bbafc0cb
LP		 305} __attribute__((__packed__));
306
307#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))
308
309/* 3.7.2.6. Extension Unit Descriptor */
310struct uvc_extension_unit_descriptor {
311 __u8 bLength;
312 __u8 bDescriptorType;
313 __u8 bDescriptorSubType;
314 __u8 bUnitID;
315 __u8 guidExtensionCode[16];
316 __u8 bNumControls;
317 __u8 bNrInPins;
318 __u8 baSourceID[0];
319 __u8 bControlSize;
320 __u8 bmControls[0];
321 __u8 iExtension;
322} __attribute__((__packed__));
323
324#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
325
326#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
327 uvc_extension_unit_descriptor_##p_##n
328
329#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
330struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
331 __u8 bLength; \
332 __u8 bDescriptorType; \
333 __u8 bDescriptorSubType; \
334 __u8 bUnitID; \
335 __u8 guidExtensionCode[16]; \
336 __u8 bNumControls; \
337 __u8 bNrInPins; \
338 __u8 baSourceID[p]; \
339 __u8 bControlSize; \
340 __u8 bmControls[n]; \
341 __u8 iExtension; \
342} __attribute__ ((packed))
343
344/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
345struct uvc_control_endpoint_descriptor {
f823b75f
LP		 346 __u8 bLength;
347 __u8 bDescriptorType;
348 __u8 bDescriptorSubType;
349 __le16 wMaxTransferSize;
bbafc0cb
LP		 350} __attribute__((__packed__));
351
352#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
353
354/* 3.9.2.1. Input Header Descriptor */
355struct uvc_input_header_descriptor {
f823b75f
LP		 356 __u8 bLength;
357 __u8 bDescriptorType;
358 __u8 bDescriptorSubType;
359 __u8 bNumFormats;
360 __le16 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[];
bbafc0cb
LP		 369} __attribute__((__packed__));
370
371#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
372
373#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
374 uvc_input_header_descriptor_##n_##p
375
376#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
377struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
f823b75f
LP		 378 __u8 bLength; \
379 __u8 bDescriptorType; \
380 __u8 bDescriptorSubType; \
381 __u8 bNumFormats; \
382 __le16 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]; \
bbafc0cb
LP		 391} __attribute__ ((packed))
392
393/* 3.9.2.2. Output Header Descriptor */
394struct uvc_output_header_descriptor {
f823b75f
LP		 395 __u8 bLength;
396 __u8 bDescriptorType;
397 __u8 bDescriptorSubType;
398 __u8 bNumFormats;
399 __le16 wTotalLength;
400 __u8 bEndpointAddress;
401 __u8 bTerminalLink;
402 __u8 bControlSize;
403 __u8 bmaControls[];
bbafc0cb
LP		 404} __attribute__((__packed__));
405
406#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
407
408#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
409 uvc_output_header_descriptor_##n_##p
410
411#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
412struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
f823b75f
LP		 413 __u8 bLength; \
414 __u8 bDescriptorType; \
415 __u8 bDescriptorSubType; \
416 __u8 bNumFormats; \
417 __le16 wTotalLength; \
418 __u8 bEndpointAddress; \
419 __u8 bTerminalLink; \
420 __u8 bControlSize; \
421 __u8 bmaControls[p][n]; \
bbafc0cb
LP		 422} __attribute__ ((packed))
423
424/* 3.9.2.6. Color matching descriptor */
425struct uvc_color_matching_descriptor {
426 __u8 bLength;
427 __u8 bDescriptorType;
428 __u8 bDescriptorSubType;
429 __u8 bColorPrimaries;
430 __u8 bTransferCharacteristics;
431 __u8 bMatrixCoefficients;
432} __attribute__((__packed__));
433
434#define UVC_DT_COLOR_MATCHING_SIZE 6
435
436/* 4.3.1.1. Video Probe and Commit Controls */
437struct uvc_streaming_control {
438 __u16 bmHint;
439 __u8 bFormatIndex;
440 __u8 bFrameIndex;
441 __u32 dwFrameInterval;
442 __u16 wKeyFrameRate;
443 __u16 wPFrameRate;
444 __u16 wCompQuality;
445 __u16 wCompWindowSize;
446 __u16 wDelay;
447 __u32 dwMaxVideoFrameSize;
448 __u32 dwMaxPayloadTransferSize;
449 __u32 dwClockFrequency;
450 __u8 bmFramingInfo;
451 __u8 bPreferedVersion;
452 __u8 bMinVersion;
453 __u8 bMaxVersion;
454} __attribute__((__packed__));
455
456/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */
457struct uvc_format_uncompressed {
458 __u8 bLength;
459 __u8 bDescriptorType;
460 __u8 bDescriptorSubType;
461 __u8 bFormatIndex;
462 __u8 bNumFrameDescriptors;
463 __u8 guidFormat[16];
464 __u8 bBitsPerPixel;
465 __u8 bDefaultFrameIndex;
466 __u8 bAspectRatioX;
467 __u8 bAspectRatioY;
468 __u8 bmInterfaceFlags;
469 __u8 bCopyProtect;
470} __attribute__((__packed__));
471
472#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
473
474/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
475struct uvc_frame_uncompressed {
f823b75f
LP		 476 __u8 bLength;
477 __u8 bDescriptorType;
478 __u8 bDescriptorSubType;
479 __u8 bFrameIndex;
480 __u8 bmCapabilities;
481 __le16 wWidth;
482 __le16 wHeight;
483 __le32 dwMinBitRate;
484 __le32 dwMaxBitRate;
485 __le32 dwMaxVideoFrameBufferSize;
486 __le32 dwDefaultFrameInterval;
487 __u8 bFrameIntervalType;
488 __le32 dwFrameInterval[];
bbafc0cb
LP		 489} __attribute__((__packed__));
490
491#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
492
493#define UVC_FRAME_UNCOMPRESSED(n) \
494 uvc_frame_uncompressed_##n
495
496#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
497struct UVC_FRAME_UNCOMPRESSED(n) { \
f823b75f
LP		 498 __u8 bLength; \
499 __u8 bDescriptorType; \
500 __u8 bDescriptorSubType; \
501 __u8 bFrameIndex; \
502 __u8 bmCapabilities; \
503 __le16 wWidth; \
504 __le16 wHeight; \
505 __le32 dwMinBitRate; \
506 __le32 dwMaxBitRate; \
507 __le32 dwMaxVideoFrameBufferSize; \
508 __le32 dwDefaultFrameInterval; \
509 __u8 bFrameIntervalType; \
510 __le32 dwFrameInterval[n]; \
bbafc0cb
LP		 511} __attribute__ ((packed))
512
513/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
514struct uvc_format_mjpeg {
515 __u8 bLength;
516 __u8 bDescriptorType;
517 __u8 bDescriptorSubType;
518 __u8 bFormatIndex;
519 __u8 bNumFrameDescriptors;
520 __u8 bmFlags;
521 __u8 bDefaultFrameIndex;
522 __u8 bAspectRatioX;
523 __u8 bAspectRatioY;
524 __u8 bmInterfaceFlags;
525 __u8 bCopyProtect;
526} __attribute__((__packed__));
527
528#define UVC_DT_FORMAT_MJPEG_SIZE 11
529
530/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
531struct uvc_frame_mjpeg {
f823b75f
LP		 532 __u8 bLength;
533 __u8 bDescriptorType;
534 __u8 bDescriptorSubType;
535 __u8 bFrameIndex;
536 __u8 bmCapabilities;
537 __le16 wWidth;
538 __le16 wHeight;
539 __le32 dwMinBitRate;
540 __le32 dwMaxBitRate;
541 __le32 dwMaxVideoFrameBufferSize;
542 __le32 dwDefaultFrameInterval;
543 __u8 bFrameIntervalType;
544 __le32 dwFrameInterval[];
bbafc0cb
LP		 545} __attribute__((__packed__));
546
547#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
548
549#define UVC_FRAME_MJPEG(n) \
550 uvc_frame_mjpeg_##n
551
552#define DECLARE_UVC_FRAME_MJPEG(n) \
553struct UVC_FRAME_MJPEG(n) { \
f823b75f
LP		 554 __u8 bLength; \
555 __u8 bDescriptorType; \
556 __u8 bDescriptorSubType; \
557 __u8 bFrameIndex; \
558 __u8 bmCapabilities; \
559 __le16 wWidth; \
560 __le16 wHeight; \
561 __le32 dwMinBitRate; \
562 __le32 dwMaxBitRate; \
563 __le32 dwMaxVideoFrameBufferSize; \
564 __le32 dwDefaultFrameInterval; \
565 __u8 bFrameIntervalType; \
566 __le32 dwFrameInterval[n]; \
bbafc0cb
LP		 567} __attribute__ ((packed))
568
de05f634
LP		 569#endif /* __LINUX_USB_VIDEO_H */
570
Linux 6.x block layer and io_uring tree(s)