videodev2.h 85 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432
  1. /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
  2. /*
  3. * Video for Linux Two header file
  4. *
  5. * Copyright (C) 1999-2012 the contributors
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * Alternatively you can redistribute this file under the terms of the
  18. * BSD license as stated below:
  19. *
  20. * Redistribution and use in source and binary forms, with or without
  21. * modification, are permitted provided that the following conditions
  22. * are met:
  23. * 1. Redistributions of source code must retain the above copyright
  24. * notice, this list of conditions and the following disclaimer.
  25. * 2. Redistributions in binary form must reproduce the above copyright
  26. * notice, this list of conditions and the following disclaimer in
  27. * the documentation and/or other materials provided with the
  28. * distribution.
  29. * 3. The names of its contributors may not be used to endorse or promote
  30. * products derived from this software without specific prior written
  31. * permission.
  32. *
  33. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  36. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  38. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  39. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  40. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  41. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  42. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  43. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44. *
  45. * Header file for v4l or V4L2 drivers and applications
  46. * with public API.
  47. * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  48. * no #if __KERNEL tests are allowed here
  49. *
  50. * See https://linuxtv.org for more info
  51. *
  52. * Author: Bill Dirks <bill@thedirks.org>
  53. * Justin Schoeman
  54. * Hans Verkuil <hverkuil@xs4all.nl>
  55. * et al.
  56. */
  57. #ifndef _UAPI__LINUX_VIDEODEV2_H
  58. #define _UAPI__LINUX_VIDEODEV2_H
  59. #ifndef __KERNEL__
  60. #include <sys/time.h>
  61. #endif
  62. #include <linux/compiler.h>
  63. #include <linux/ioctl.h>
  64. #include <linux/types.h>
  65. #include <linux/v4l2-common.h>
  66. #include <linux/v4l2-controls.h>
  67. /*
  68. * Common stuff for both V4L1 and V4L2
  69. * Moved from videodev.h
  70. */
  71. #define VIDEO_MAX_FRAME 32
  72. #define VIDEO_MAX_PLANES 8
  73. /*
  74. * M I S C E L L A N E O U S
  75. */
  76. /* Four-character-code (FOURCC) */
  77. #define v4l2_fourcc(a, b, c, d)\
  78. ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  79. #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
  80. /*
  81. * E N U M S
  82. */
  83. enum v4l2_field {
  84. V4L2_FIELD_ANY = 0, /* driver can choose from none,
  85. top, bottom, interlaced
  86. depending on whatever it thinks
  87. is approximate ... */
  88. V4L2_FIELD_NONE = 1, /* this device has no fields ... */
  89. V4L2_FIELD_TOP = 2, /* top field only */
  90. V4L2_FIELD_BOTTOM = 3, /* bottom field only */
  91. V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
  92. V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
  93. buffer, top-bottom order */
  94. V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
  95. V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
  96. separate buffers */
  97. V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  98. first and the top field is
  99. transmitted first */
  100. V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  101. first and the bottom field is
  102. transmitted first */
  103. };
  104. #define V4L2_FIELD_HAS_TOP(field) \
  105. ((field) == V4L2_FIELD_TOP ||\
  106. (field) == V4L2_FIELD_INTERLACED ||\
  107. (field) == V4L2_FIELD_INTERLACED_TB ||\
  108. (field) == V4L2_FIELD_INTERLACED_BT ||\
  109. (field) == V4L2_FIELD_SEQ_TB ||\
  110. (field) == V4L2_FIELD_SEQ_BT)
  111. #define V4L2_FIELD_HAS_BOTTOM(field) \
  112. ((field) == V4L2_FIELD_BOTTOM ||\
  113. (field) == V4L2_FIELD_INTERLACED ||\
  114. (field) == V4L2_FIELD_INTERLACED_TB ||\
  115. (field) == V4L2_FIELD_INTERLACED_BT ||\
  116. (field) == V4L2_FIELD_SEQ_TB ||\
  117. (field) == V4L2_FIELD_SEQ_BT)
  118. #define V4L2_FIELD_HAS_BOTH(field) \
  119. ((field) == V4L2_FIELD_INTERLACED ||\
  120. (field) == V4L2_FIELD_INTERLACED_TB ||\
  121. (field) == V4L2_FIELD_INTERLACED_BT ||\
  122. (field) == V4L2_FIELD_SEQ_TB ||\
  123. (field) == V4L2_FIELD_SEQ_BT)
  124. #define V4L2_FIELD_HAS_T_OR_B(field) \
  125. ((field) == V4L2_FIELD_BOTTOM ||\
  126. (field) == V4L2_FIELD_TOP ||\
  127. (field) == V4L2_FIELD_ALTERNATE)
  128. enum v4l2_buf_type {
  129. V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
  130. V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
  131. V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
  132. V4L2_BUF_TYPE_VBI_CAPTURE = 4,
  133. V4L2_BUF_TYPE_VBI_OUTPUT = 5,
  134. V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
  135. V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
  136. V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  137. V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
  138. V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
  139. V4L2_BUF_TYPE_SDR_CAPTURE = 11,
  140. V4L2_BUF_TYPE_SDR_OUTPUT = 12,
  141. V4L2_BUF_TYPE_META_CAPTURE = 13,
  142. /* Deprecated, do not use */
  143. V4L2_BUF_TYPE_PRIVATE = 0x80,
  144. };
  145. #define V4L2_TYPE_IS_MULTIPLANAR(type) \
  146. ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
  147. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
  148. #define V4L2_TYPE_IS_OUTPUT(type) \
  149. ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
  150. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
  151. || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
  152. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
  153. || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
  154. || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
  155. || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
  156. enum v4l2_tuner_type {
  157. V4L2_TUNER_RADIO = 1,
  158. V4L2_TUNER_ANALOG_TV = 2,
  159. V4L2_TUNER_DIGITAL_TV = 3,
  160. V4L2_TUNER_SDR = 4,
  161. V4L2_TUNER_RF = 5,
  162. };
  163. /* Deprecated, do not use */
  164. #define V4L2_TUNER_ADC V4L2_TUNER_SDR
  165. enum v4l2_memory {
  166. V4L2_MEMORY_MMAP = 1,
  167. V4L2_MEMORY_USERPTR = 2,
  168. V4L2_MEMORY_OVERLAY = 3,
  169. V4L2_MEMORY_DMABUF = 4,
  170. };
  171. /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  172. enum v4l2_colorspace {
  173. /*
  174. * Default colorspace, i.e. let the driver figure it out.
  175. * Can only be used with video capture.
  176. */
  177. V4L2_COLORSPACE_DEFAULT = 0,
  178. /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
  179. V4L2_COLORSPACE_SMPTE170M = 1,
  180. /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
  181. V4L2_COLORSPACE_SMPTE240M = 2,
  182. /* Rec.709: used for HDTV */
  183. V4L2_COLORSPACE_REC709 = 3,
  184. /*
  185. * Deprecated, do not use. No driver will ever return this. This was
  186. * based on a misunderstanding of the bt878 datasheet.
  187. */
  188. V4L2_COLORSPACE_BT878 = 4,
  189. /*
  190. * NTSC 1953 colorspace. This only makes sense when dealing with
  191. * really, really old NTSC recordings. Superseded by SMPTE 170M.
  192. */
  193. V4L2_COLORSPACE_470_SYSTEM_M = 5,
  194. /*
  195. * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
  196. * dealing with really old PAL/SECAM recordings. Superseded by
  197. * SMPTE 170M.
  198. */
  199. V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  200. /*
  201. * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
  202. * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
  203. */
  204. V4L2_COLORSPACE_JPEG = 7,
  205. /* For RGB colorspaces such as produces by most webcams. */
  206. V4L2_COLORSPACE_SRGB = 8,
  207. /* opRGB colorspace */
  208. V4L2_COLORSPACE_OPRGB = 9,
  209. /* BT.2020 colorspace, used for UHDTV. */
  210. V4L2_COLORSPACE_BT2020 = 10,
  211. /* Raw colorspace: for RAW unprocessed images */
  212. V4L2_COLORSPACE_RAW = 11,
  213. /* DCI-P3 colorspace, used by cinema projectors */
  214. V4L2_COLORSPACE_DCI_P3 = 12,
  215. };
  216. /*
  217. * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
  218. * This depends on whether this is a SDTV image (use SMPTE 170M), an
  219. * HDTV image (use Rec. 709), or something else (use sRGB).
  220. */
  221. #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
  222. ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
  223. ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
  224. enum v4l2_xfer_func {
  225. /*
  226. * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
  227. * for the various colorspaces:
  228. *
  229. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  230. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
  231. * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
  232. *
  233. * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
  234. *
  235. * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
  236. *
  237. * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
  238. *
  239. * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
  240. *
  241. * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
  242. */
  243. V4L2_XFER_FUNC_DEFAULT = 0,
  244. V4L2_XFER_FUNC_709 = 1,
  245. V4L2_XFER_FUNC_SRGB = 2,
  246. V4L2_XFER_FUNC_OPRGB = 3,
  247. V4L2_XFER_FUNC_SMPTE240M = 4,
  248. V4L2_XFER_FUNC_NONE = 5,
  249. V4L2_XFER_FUNC_DCI_P3 = 6,
  250. V4L2_XFER_FUNC_SMPTE2084 = 7,
  251. };
  252. /*
  253. * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
  254. * This depends on the colorspace.
  255. */
  256. #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
  257. ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
  258. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
  259. ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
  260. ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
  261. ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
  262. V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
  263. enum v4l2_ycbcr_encoding {
  264. /*
  265. * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
  266. * various colorspaces:
  267. *
  268. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  269. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
  270. * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
  271. *
  272. * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
  273. *
  274. * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
  275. *
  276. * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
  277. */
  278. V4L2_YCBCR_ENC_DEFAULT = 0,
  279. /* ITU-R 601 -- SDTV */
  280. V4L2_YCBCR_ENC_601 = 1,
  281. /* Rec. 709 -- HDTV */
  282. V4L2_YCBCR_ENC_709 = 2,
  283. /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
  284. V4L2_YCBCR_ENC_XV601 = 3,
  285. /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
  286. V4L2_YCBCR_ENC_XV709 = 4,
  287. #ifndef __KERNEL__
  288. /*
  289. * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
  290. * originally due to a misunderstanding of the sYCC standard. It should
  291. * not be used, instead use V4L2_YCBCR_ENC_601.
  292. */
  293. V4L2_YCBCR_ENC_SYCC = 5,
  294. #endif
  295. /* BT.2020 Non-constant Luminance Y'CbCr */
  296. V4L2_YCBCR_ENC_BT2020 = 6,
  297. /* BT.2020 Constant Luminance Y'CbcCrc */
  298. V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
  299. /* SMPTE 240M -- Obsolete HDTV */
  300. V4L2_YCBCR_ENC_SMPTE240M = 8,
  301. };
  302. /*
  303. * enum v4l2_hsv_encoding values should not collide with the ones from
  304. * enum v4l2_ycbcr_encoding.
  305. */
  306. enum v4l2_hsv_encoding {
  307. /* Hue mapped to 0 - 179 */
  308. V4L2_HSV_ENC_180 = 128,
  309. /* Hue mapped to 0-255 */
  310. V4L2_HSV_ENC_256 = 129,
  311. };
  312. /*
  313. * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  314. * This depends on the colorspace.
  315. */
  316. #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
  317. (((colsp) == V4L2_COLORSPACE_REC709 || \
  318. (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
  319. ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
  320. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
  321. V4L2_YCBCR_ENC_601)))
  322. enum v4l2_quantization {
  323. /*
  324. * The default for R'G'B' quantization is always full range, except
  325. * for the BT2020 colorspace. For Y'CbCr the quantization is always
  326. * limited range, except for COLORSPACE_JPEG: this is full range.
  327. */
  328. V4L2_QUANTIZATION_DEFAULT = 0,
  329. V4L2_QUANTIZATION_FULL_RANGE = 1,
  330. V4L2_QUANTIZATION_LIM_RANGE = 2,
  331. };
  332. /*
  333. * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
  334. * This depends on whether the image is RGB or not, the colorspace and the
  335. * Y'CbCr encoding.
  336. */
  337. #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
  338. (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
  339. V4L2_QUANTIZATION_LIM_RANGE : \
  340. (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
  341. V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
  342. /*
  343. * Deprecated names for opRGB colorspace (IEC 61966-2-5)
  344. *
  345. * WARNING: Please don't use these deprecated defines in your code, as
  346. * there is a chance we have to remove them in the future.
  347. */
  348. #ifndef __KERNEL__
  349. #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
  350. #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
  351. #endif
  352. enum v4l2_priority {
  353. V4L2_PRIORITY_UNSET = 0, /* not initialized */
  354. V4L2_PRIORITY_BACKGROUND = 1,
  355. V4L2_PRIORITY_INTERACTIVE = 2,
  356. V4L2_PRIORITY_RECORD = 3,
  357. V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
  358. };
  359. struct v4l2_rect {
  360. __s32 left;
  361. __s32 top;
  362. __u32 width;
  363. __u32 height;
  364. };
  365. struct v4l2_fract {
  366. __u32 numerator;
  367. __u32 denominator;
  368. };
  369. /**
  370. * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
  371. *
  372. * @driver: name of the driver module (e.g. "bttv")
  373. * @card: name of the card (e.g. "Hauppauge WinTV")
  374. * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
  375. * @version: KERNEL_VERSION
  376. * @capabilities: capabilities of the physical device as a whole
  377. * @device_caps: capabilities accessed via this particular device (node)
  378. * @reserved: reserved fields for future extensions
  379. */
  380. struct v4l2_capability {
  381. __u8 driver[16];
  382. __u8 card[32];
  383. __u8 bus_info[32];
  384. __u32 version;
  385. __u32 capabilities;
  386. __u32 device_caps;
  387. __u32 reserved[3];
  388. };
  389. /* Values for 'capabilities' field */
  390. #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
  391. #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
  392. #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
  393. #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
  394. #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
  395. #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
  396. #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
  397. #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
  398. #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
  399. #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
  400. #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
  401. /* Is a video capture device that supports multiplanar formats */
  402. #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
  403. /* Is a video output device that supports multiplanar formats */
  404. #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
  405. /* Is a video mem-to-mem device that supports multiplanar formats */
  406. #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
  407. /* Is a video mem-to-mem device */
  408. #define V4L2_CAP_VIDEO_M2M 0x00008000
  409. #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
  410. #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
  411. #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
  412. #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
  413. #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
  414. #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
  415. #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
  416. #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
  417. #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
  418. #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
  419. #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
  420. #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
  421. #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
  422. /*
  423. * V I D E O I M A G E F O R M A T
  424. */
  425. struct v4l2_pix_format {
  426. __u32 width;
  427. __u32 height;
  428. __u32 pixelformat;
  429. __u32 field; /* enum v4l2_field */
  430. __u32 bytesperline; /* for padding, zero if unused */
  431. __u32 sizeimage;
  432. __u32 colorspace; /* enum v4l2_colorspace */
  433. __u32 priv; /* private data, depends on pixelformat */
  434. __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
  435. union {
  436. /* enum v4l2_ycbcr_encoding */
  437. __u32 ycbcr_enc;
  438. /* enum v4l2_hsv_encoding */
  439. __u32 hsv_enc;
  440. };
  441. __u32 quantization; /* enum v4l2_quantization */
  442. __u32 xfer_func; /* enum v4l2_xfer_func */
  443. };
  444. /* Pixel format FOURCC depth Description */
  445. /* RGB formats */
  446. #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
  447. #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
  448. #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
  449. #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
  450. #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
  451. #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
  452. #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
  453. #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
  454. #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
  455. #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
  456. #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
  457. #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
  458. #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
  459. #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
  460. #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
  461. #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
  462. #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
  463. #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
  464. #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
  465. #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
  466. #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
  467. /* Grey formats */
  468. #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
  469. #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
  470. #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
  471. #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
  472. #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
  473. #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
  474. #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
  475. /* Grey bit-packed formats */
  476. #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
  477. #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
  478. /* Palette formats */
  479. #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
  480. /* Chrominance formats */
  481. #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
  482. /* Luminance+Chrominance formats */
  483. #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
  484. #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
  485. #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
  486. #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
  487. #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
  488. #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
  489. #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
  490. #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
  491. #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
  492. #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
  493. #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
  494. #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
  495. #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
  496. /* two planes -- one Y, one Cr + Cb interleaved */
  497. #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
  498. #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
  499. #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
  500. #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
  501. #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
  502. #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
  503. /* two non contiguous planes - one Y, one Cr + Cb interleaved */
  504. #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
  505. #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
  506. #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
  507. #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
  508. #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
  509. #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
  510. /* three planes - Y Cb, Cr */
  511. #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
  512. #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
  513. #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
  514. #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
  515. #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
  516. #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
  517. /* three non contiguous planes - Y, Cb, Cr */
  518. #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
  519. #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
  520. #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
  521. #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
  522. #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
  523. #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
  524. /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
  525. #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
  526. #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
  527. #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
  528. #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
  529. #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
  530. #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
  531. #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
  532. #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
  533. /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
  534. #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
  535. #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
  536. #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
  537. #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
  538. /* 10bit raw bayer a-law compressed to 8 bits */
  539. #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
  540. #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
  541. #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
  542. #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
  543. /* 10bit raw bayer DPCM compressed to 8 bits */
  544. #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
  545. #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
  546. #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
  547. #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
  548. #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
  549. #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
  550. #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
  551. #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
  552. /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
  553. #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
  554. #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
  555. #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
  556. #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
  557. /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
  558. #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
  559. #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
  560. #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
  561. #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
  562. #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
  563. #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
  564. #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
  565. #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
  566. /* HSV formats */
  567. #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
  568. #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
  569. /* compressed formats */
  570. #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
  571. #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
  572. #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
  573. #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
  574. #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
  575. #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
  576. #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
  577. #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
  578. #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
  579. #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
  580. #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
  581. #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
  582. #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
  583. #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
  584. #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
  585. #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
  586. #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
  587. #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
  588. /* Vendor-specific formats */
  589. #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
  590. #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
  591. #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
  592. #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
  593. #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
  594. #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
  595. #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
  596. #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
  597. #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
  598. #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
  599. #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
  600. #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
  601. #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
  602. #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
  603. #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
  604. #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
  605. #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
  606. #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
  607. #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
  608. #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
  609. #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
  610. #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
  611. #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
  612. #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
  613. #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
  614. #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
  615. #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
  616. #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
  617. #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
  618. #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
  619. #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
  620. /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
  621. #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
  622. #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
  623. #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
  624. #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
  625. /* SDR formats - used only for Software Defined Radio devices */
  626. #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
  627. #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
  628. #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
  629. #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
  630. #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
  631. #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
  632. #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
  633. #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
  634. /* Touch formats - used for Touch devices */
  635. #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
  636. #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
  637. #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
  638. #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
  639. /* Meta-data formats */
  640. #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
  641. #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
  642. #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
  643. /* priv field value to indicates that subsequent fields are valid. */
  644. #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
  645. /* Flags */
  646. #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
  647. /*
  648. * F O R M A T E N U M E R A T I O N
  649. */
  650. struct v4l2_fmtdesc {
  651. __u32 index; /* Format number */
  652. __u32 type; /* enum v4l2_buf_type */
  653. __u32 flags;
  654. __u8 description[32]; /* Description string */
  655. __u32 pixelformat; /* Format fourcc */
  656. __u32 reserved[4];
  657. };
  658. #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  659. #define V4L2_FMT_FLAG_EMULATED 0x0002
  660. /* Frame Size and frame rate enumeration */
  661. /*
  662. * F R A M E S I Z E E N U M E R A T I O N
  663. */
  664. enum v4l2_frmsizetypes {
  665. V4L2_FRMSIZE_TYPE_DISCRETE = 1,
  666. V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
  667. V4L2_FRMSIZE_TYPE_STEPWISE = 3,
  668. };
  669. struct v4l2_frmsize_discrete {
  670. __u32 width; /* Frame width [pixel] */
  671. __u32 height; /* Frame height [pixel] */
  672. };
  673. struct v4l2_frmsize_stepwise {
  674. __u32 min_width; /* Minimum frame width [pixel] */
  675. __u32 max_width; /* Maximum frame width [pixel] */
  676. __u32 step_width; /* Frame width step size [pixel] */
  677. __u32 min_height; /* Minimum frame height [pixel] */
  678. __u32 max_height; /* Maximum frame height [pixel] */
  679. __u32 step_height; /* Frame height step size [pixel] */
  680. };
  681. struct v4l2_frmsizeenum {
  682. __u32 index; /* Frame size number */
  683. __u32 pixel_format; /* Pixel format */
  684. __u32 type; /* Frame size type the device supports. */
  685. union { /* Frame size */
  686. struct v4l2_frmsize_discrete discrete;
  687. struct v4l2_frmsize_stepwise stepwise;
  688. };
  689. __u32 reserved[2]; /* Reserved space for future use */
  690. };
  691. /*
  692. * F R A M E R A T E E N U M E R A T I O N
  693. */
  694. enum v4l2_frmivaltypes {
  695. V4L2_FRMIVAL_TYPE_DISCRETE = 1,
  696. V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
  697. V4L2_FRMIVAL_TYPE_STEPWISE = 3,
  698. };
  699. struct v4l2_frmival_stepwise {
  700. struct v4l2_fract min; /* Minimum frame interval [s] */
  701. struct v4l2_fract max; /* Maximum frame interval [s] */
  702. struct v4l2_fract step; /* Frame interval step size [s] */
  703. };
  704. struct v4l2_frmivalenum {
  705. __u32 index; /* Frame format index */
  706. __u32 pixel_format; /* Pixel format */
  707. __u32 width; /* Frame width */
  708. __u32 height; /* Frame height */
  709. __u32 type; /* Frame interval type the device supports. */
  710. union { /* Frame interval */
  711. struct v4l2_fract discrete;
  712. struct v4l2_frmival_stepwise stepwise;
  713. };
  714. __u32 reserved[2]; /* Reserved space for future use */
  715. };
  716. /*
  717. * T I M E C O D E
  718. */
  719. struct v4l2_timecode {
  720. __u32 type;
  721. __u32 flags;
  722. __u8 frames;
  723. __u8 seconds;
  724. __u8 minutes;
  725. __u8 hours;
  726. __u8 userbits[4];
  727. };
  728. /* Type */
  729. #define V4L2_TC_TYPE_24FPS 1
  730. #define V4L2_TC_TYPE_25FPS 2
  731. #define V4L2_TC_TYPE_30FPS 3
  732. #define V4L2_TC_TYPE_50FPS 4
  733. #define V4L2_TC_TYPE_60FPS 5
  734. /* Flags */
  735. #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
  736. #define V4L2_TC_FLAG_COLORFRAME 0x0002
  737. #define V4L2_TC_USERBITS_field 0x000C
  738. #define V4L2_TC_USERBITS_USERDEFINED 0x0000
  739. #define V4L2_TC_USERBITS_8BITCHARS 0x0008
  740. /* The above is based on SMPTE timecodes */
  741. struct v4l2_jpegcompression {
  742. int quality;
  743. int APPn; /* Number of APP segment to be written,
  744. * must be 0..15 */
  745. int APP_len; /* Length of data in JPEG APPn segment */
  746. char APP_data[60]; /* Data in the JPEG APPn segment. */
  747. int COM_len; /* Length of data in JPEG COM segment */
  748. char COM_data[60]; /* Data in JPEG COM segment */
  749. __u32 jpeg_markers; /* Which markers should go into the JPEG
  750. * output. Unless you exactly know what
  751. * you do, leave them untouched.
  752. * Including less markers will make the
  753. * resulting code smaller, but there will
  754. * be fewer applications which can read it.
  755. * The presence of the APP and COM marker
  756. * is influenced by APP_len and COM_len
  757. * ONLY, not by this property! */
  758. #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
  759. #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
  760. #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
  761. #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
  762. #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
  763. * always use APP0 */
  764. };
  765. /*
  766. * M E M O R Y - M A P P I N G B U F F E R S
  767. */
  768. struct v4l2_requestbuffers {
  769. __u32 count;
  770. __u32 type; /* enum v4l2_buf_type */
  771. __u32 memory; /* enum v4l2_memory */
  772. __u32 reserved[2];
  773. };
  774. /**
  775. * struct v4l2_plane - plane info for multi-planar buffers
  776. * @bytesused: number of bytes occupied by data in the plane (payload)
  777. * @length: size of this plane (NOT the payload) in bytes
  778. * @mem_offset: when memory in the associated struct v4l2_buffer is
  779. * V4L2_MEMORY_MMAP, equals the offset from the start of
  780. * the device memory for this plane (or is a "cookie" that
  781. * should be passed to mmap() called on the video node)
  782. * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
  783. * pointing to this plane
  784. * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
  785. * descriptor associated with this plane
  786. * @data_offset: offset in the plane to the start of data; usually 0,
  787. * unless there is a header in front of the data
  788. *
  789. * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
  790. * with two planes can have one plane for Y, and another for interleaved CbCr
  791. * components. Each plane can reside in a separate memory buffer, or even in
  792. * a completely separate memory node (e.g. in embedded devices).
  793. */
  794. struct v4l2_plane {
  795. __u32 bytesused;
  796. __u32 length;
  797. union {
  798. __u32 mem_offset;
  799. unsigned long userptr;
  800. __s32 fd;
  801. } m;
  802. __u32 data_offset;
  803. __u32 reserved[11];
  804. };
  805. /**
  806. * struct v4l2_buffer - video buffer info
  807. * @index: id number of the buffer
  808. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  809. * multiplanar buffers);
  810. * @bytesused: number of bytes occupied by data in the buffer (payload);
  811. * unused (set to 0) for multiplanar buffers
  812. * @flags: buffer informational flags
  813. * @field: enum v4l2_field; field order of the image in the buffer
  814. * @timestamp: frame timestamp
  815. * @timecode: frame timecode
  816. * @sequence: sequence count of this frame
  817. * @memory: enum v4l2_memory; the method, in which the actual video data is
  818. * passed
  819. * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
  820. * offset from the start of the device memory for this plane,
  821. * (or a "cookie" that should be passed to mmap() as offset)
  822. * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
  823. * a userspace pointer pointing to this buffer
  824. * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
  825. * a userspace file descriptor associated with this buffer
  826. * @planes: for multiplanar buffers; userspace pointer to the array of plane
  827. * info structs for this buffer
  828. * @length: size in bytes of the buffer (NOT its payload) for single-plane
  829. * buffers (when type != *_MPLANE); number of elements in the
  830. * planes array for multi-plane buffers
  831. *
  832. * Contains data exchanged by application and driver using one of the Streaming
  833. * I/O methods.
  834. */
  835. struct v4l2_buffer {
  836. __u32 index;
  837. __u32 type;
  838. __u32 bytesused;
  839. __u32 flags;
  840. __u32 field;
  841. struct timeval timestamp;
  842. struct v4l2_timecode timecode;
  843. __u32 sequence;
  844. /* memory location */
  845. __u32 memory;
  846. union {
  847. __u32 offset;
  848. unsigned long userptr;
  849. struct v4l2_plane *planes;
  850. __s32 fd;
  851. } m;
  852. __u32 length;
  853. __u32 reserved2;
  854. __u32 reserved;
  855. };
  856. /* Flags for 'flags' field */
  857. /* Buffer is mapped (flag) */
  858. #define V4L2_BUF_FLAG_MAPPED 0x00000001
  859. /* Buffer is queued for processing */
  860. #define V4L2_BUF_FLAG_QUEUED 0x00000002
  861. /* Buffer is ready */
  862. #define V4L2_BUF_FLAG_DONE 0x00000004
  863. /* Image is a keyframe (I-frame) */
  864. #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
  865. /* Image is a P-frame */
  866. #define V4L2_BUF_FLAG_PFRAME 0x00000010
  867. /* Image is a B-frame */
  868. #define V4L2_BUF_FLAG_BFRAME 0x00000020
  869. /* Buffer is ready, but the data contained within is corrupted. */
  870. #define V4L2_BUF_FLAG_ERROR 0x00000040
  871. /* timecode field is valid */
  872. #define V4L2_BUF_FLAG_TIMECODE 0x00000100
  873. /* Buffer is prepared for queuing */
  874. #define V4L2_BUF_FLAG_PREPARED 0x00000400
  875. /* Cache handling flags */
  876. #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
  877. #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
  878. /* Timestamp type */
  879. #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
  880. #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
  881. #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
  882. #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
  883. /* Timestamp sources. */
  884. #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
  885. #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
  886. #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
  887. /* mem2mem encoder/decoder */
  888. #define V4L2_BUF_FLAG_LAST 0x00100000
  889. /**
  890. * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
  891. *
  892. * @index: id number of the buffer
  893. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  894. * multiplanar buffers);
  895. * @plane: index of the plane to be exported, 0 for single plane queues
  896. * @flags: flags for newly created file, currently only O_CLOEXEC is
  897. * supported, refer to manual of open syscall for more details
  898. * @fd: file descriptor associated with DMABUF (set by driver)
  899. *
  900. * Contains data used for exporting a video buffer as DMABUF file descriptor.
  901. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
  902. * (identical to the cookie used to mmap() the buffer to userspace). All
  903. * reserved fields must be set to zero. The field reserved0 is expected to
  904. * become a structure 'type' allowing an alternative layout of the structure
  905. * content. Therefore this field should not be used for any other extensions.
  906. */
  907. struct v4l2_exportbuffer {
  908. __u32 type; /* enum v4l2_buf_type */
  909. __u32 index;
  910. __u32 plane;
  911. __u32 flags;
  912. __s32 fd;
  913. __u32 reserved[11];
  914. };
  915. /*
  916. * O V E R L A Y P R E V I E W
  917. */
  918. struct v4l2_framebuffer {
  919. __u32 capability;
  920. __u32 flags;
  921. /* FIXME: in theory we should pass something like PCI device + memory
  922. * region + offset instead of some physical address */
  923. void *base;
  924. struct {
  925. __u32 width;
  926. __u32 height;
  927. __u32 pixelformat;
  928. __u32 field; /* enum v4l2_field */
  929. __u32 bytesperline; /* for padding, zero if unused */
  930. __u32 sizeimage;
  931. __u32 colorspace; /* enum v4l2_colorspace */
  932. __u32 priv; /* reserved field, set to 0 */
  933. } fmt;
  934. };
  935. /* Flags for the 'capability' field. Read only */
  936. #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
  937. #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
  938. #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
  939. #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
  940. #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
  941. #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
  942. #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
  943. #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
  944. /* Flags for the 'flags' field. */
  945. #define V4L2_FBUF_FLAG_PRIMARY 0x0001
  946. #define V4L2_FBUF_FLAG_OVERLAY 0x0002
  947. #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
  948. #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
  949. #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
  950. #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
  951. #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
  952. struct v4l2_clip {
  953. struct v4l2_rect c;
  954. struct v4l2_clip __user *next;
  955. };
  956. struct v4l2_window {
  957. struct v4l2_rect w;
  958. __u32 field; /* enum v4l2_field */
  959. __u32 chromakey;
  960. struct v4l2_clip __user *clips;
  961. __u32 clipcount;
  962. void __user *bitmap;
  963. __u8 global_alpha;
  964. };
  965. /*
  966. * C A P T U R E P A R A M E T E R S
  967. */
  968. struct v4l2_captureparm {
  969. __u32 capability; /* Supported modes */
  970. __u32 capturemode; /* Current mode */
  971. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  972. __u32 extendedmode; /* Driver-specific extensions */
  973. __u32 readbuffers; /* # of buffers for read */
  974. __u32 reserved[4];
  975. };
  976. /* Flags for 'capability' and 'capturemode' fields */
  977. #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
  978. #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
  979. struct v4l2_outputparm {
  980. __u32 capability; /* Supported modes */
  981. __u32 outputmode; /* Current mode */
  982. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  983. __u32 extendedmode; /* Driver-specific extensions */
  984. __u32 writebuffers; /* # of buffers for write */
  985. __u32 reserved[4];
  986. };
  987. /*
  988. * I N P U T I M A G E C R O P P I N G
  989. */
  990. struct v4l2_cropcap {
  991. __u32 type; /* enum v4l2_buf_type */
  992. struct v4l2_rect bounds;
  993. struct v4l2_rect defrect;
  994. struct v4l2_fract pixelaspect;
  995. };
  996. struct v4l2_crop {
  997. __u32 type; /* enum v4l2_buf_type */
  998. struct v4l2_rect c;
  999. };
  1000. /**
  1001. * struct v4l2_selection - selection info
  1002. * @type: buffer type (do not use *_MPLANE types)
  1003. * @target: Selection target, used to choose one of possible rectangles;
  1004. * defined in v4l2-common.h; V4L2_SEL_TGT_* .
  1005. * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  1006. * @r: coordinates of selection window
  1007. * @reserved: for future use, rounds structure size to 64 bytes, set to zero
  1008. *
  1009. * Hardware may use multiple helper windows to process a video stream.
  1010. * The structure is used to exchange this selection areas between
  1011. * an application and a driver.
  1012. */
  1013. struct v4l2_selection {
  1014. __u32 type;
  1015. __u32 target;
  1016. __u32 flags;
  1017. struct v4l2_rect r;
  1018. __u32 reserved[9];
  1019. };
  1020. /*
  1021. * A N A L O G V I D E O S T A N D A R D
  1022. */
  1023. typedef __u64 v4l2_std_id;
  1024. /* one bit for each */
  1025. #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
  1026. #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
  1027. #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
  1028. #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
  1029. #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
  1030. #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
  1031. #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
  1032. #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
  1033. #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
  1034. #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
  1035. #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
  1036. #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
  1037. #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
  1038. #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
  1039. #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
  1040. #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
  1041. #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
  1042. #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
  1043. #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
  1044. #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
  1045. #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
  1046. #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
  1047. #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
  1048. #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
  1049. /* ATSC/HDTV */
  1050. #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
  1051. #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
  1052. /* FIXME:
  1053. Although std_id is 64 bits, there is an issue on PPC32 architecture that
  1054. makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  1055. this value to 32 bits.
  1056. As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  1057. it should work fine. However, if needed to add more than two standards,
  1058. v4l2-common.c should be fixed.
  1059. */
  1060. /*
  1061. * Some macros to merge video standards in order to make live easier for the
  1062. * drivers and V4L2 applications
  1063. */
  1064. /*
  1065. * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
  1066. * Missing here.
  1067. */
  1068. #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
  1069. V4L2_STD_NTSC_M_JP |\
  1070. V4L2_STD_NTSC_M_KR)
  1071. /* Secam macros */
  1072. #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
  1073. V4L2_STD_SECAM_K |\
  1074. V4L2_STD_SECAM_K1)
  1075. /* All Secam Standards */
  1076. #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
  1077. V4L2_STD_SECAM_G |\
  1078. V4L2_STD_SECAM_H |\
  1079. V4L2_STD_SECAM_DK |\
  1080. V4L2_STD_SECAM_L |\
  1081. V4L2_STD_SECAM_LC)
  1082. /* PAL macros */
  1083. #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
  1084. V4L2_STD_PAL_B1 |\
  1085. V4L2_STD_PAL_G)
  1086. #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
  1087. V4L2_STD_PAL_D1 |\
  1088. V4L2_STD_PAL_K)
  1089. /*
  1090. * "Common" PAL - This macro is there to be compatible with the old
  1091. * V4L1 concept of "PAL": /BGDKHI.
  1092. * Several PAL standards are missing here: /M, /N and /Nc
  1093. */
  1094. #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
  1095. V4L2_STD_PAL_DK |\
  1096. V4L2_STD_PAL_H |\
  1097. V4L2_STD_PAL_I)
  1098. /* Chroma "agnostic" standards */
  1099. #define V4L2_STD_B (V4L2_STD_PAL_B |\
  1100. V4L2_STD_PAL_B1 |\
  1101. V4L2_STD_SECAM_B)
  1102. #define V4L2_STD_G (V4L2_STD_PAL_G |\
  1103. V4L2_STD_SECAM_G)
  1104. #define V4L2_STD_H (V4L2_STD_PAL_H |\
  1105. V4L2_STD_SECAM_H)
  1106. #define V4L2_STD_L (V4L2_STD_SECAM_L |\
  1107. V4L2_STD_SECAM_LC)
  1108. #define V4L2_STD_GH (V4L2_STD_G |\
  1109. V4L2_STD_H)
  1110. #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
  1111. V4L2_STD_SECAM_DK)
  1112. #define V4L2_STD_BG (V4L2_STD_B |\
  1113. V4L2_STD_G)
  1114. #define V4L2_STD_MN (V4L2_STD_PAL_M |\
  1115. V4L2_STD_PAL_N |\
  1116. V4L2_STD_PAL_Nc |\
  1117. V4L2_STD_NTSC)
  1118. /* Standards where MTS/BTSC stereo could be found */
  1119. #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
  1120. V4L2_STD_PAL_M |\
  1121. V4L2_STD_PAL_N |\
  1122. V4L2_STD_PAL_Nc)
  1123. /* Standards for Countries with 60Hz Line frequency */
  1124. #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
  1125. V4L2_STD_PAL_60 |\
  1126. V4L2_STD_NTSC |\
  1127. V4L2_STD_NTSC_443)
  1128. /* Standards for Countries with 50Hz Line frequency */
  1129. #define V4L2_STD_625_50 (V4L2_STD_PAL |\
  1130. V4L2_STD_PAL_N |\
  1131. V4L2_STD_PAL_Nc |\
  1132. V4L2_STD_SECAM)
  1133. #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
  1134. V4L2_STD_ATSC_16_VSB)
  1135. /* Macros with none and all analog standards */
  1136. #define V4L2_STD_UNKNOWN 0
  1137. #define V4L2_STD_ALL (V4L2_STD_525_60 |\
  1138. V4L2_STD_625_50)
  1139. struct v4l2_standard {
  1140. __u32 index;
  1141. v4l2_std_id id;
  1142. __u8 name[24];
  1143. struct v4l2_fract frameperiod; /* Frames, not fields */
  1144. __u32 framelines;
  1145. __u32 reserved[4];
  1146. };
  1147. /*
  1148. * D V B T T I M I N G S
  1149. */
  1150. /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
  1151. * @width: total width of the active video in pixels
  1152. * @height: total height of the active video in lines
  1153. * @interlaced: Interlaced or progressive
  1154. * @polarities: Positive or negative polarities
  1155. * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1156. * @hfrontporch:Horizontal front porch in pixels
  1157. * @hsync: Horizontal Sync length in pixels
  1158. * @hbackporch: Horizontal back porch in pixels
  1159. * @vfrontporch:Vertical front porch in lines
  1160. * @vsync: Vertical Sync length in lines
  1161. * @vbackporch: Vertical back porch in lines
  1162. * @il_vfrontporch:Vertical front porch for the even field
  1163. * (aka field 2) of interlaced field formats
  1164. * @il_vsync: Vertical Sync length for the even field
  1165. * (aka field 2) of interlaced field formats
  1166. * @il_vbackporch:Vertical back porch for the even field
  1167. * (aka field 2) of interlaced field formats
  1168. * @standards: Standards the timing belongs to
  1169. * @flags: Flags
  1170. * @picture_aspect: The picture aspect ratio (hor/vert).
  1171. * @cea861_vic: VIC code as per the CEA-861 standard.
  1172. * @hdmi_vic: VIC code as per the HDMI standard.
  1173. * @reserved: Reserved fields, must be zeroed.
  1174. *
  1175. * A note regarding vertical interlaced timings: height refers to the total
  1176. * height of the active video frame (= two fields). The blanking timings refer
  1177. * to the blanking of each field. So the height of the total frame is
  1178. * calculated as follows:
  1179. *
  1180. * tot_height = height + vfrontporch + vsync + vbackporch +
  1181. * il_vfrontporch + il_vsync + il_vbackporch
  1182. *
  1183. * The active height of each field is height / 2.
  1184. */
  1185. struct v4l2_bt_timings {
  1186. __u32 width;
  1187. __u32 height;
  1188. __u32 interlaced;
  1189. __u32 polarities;
  1190. __u64 pixelclock;
  1191. __u32 hfrontporch;
  1192. __u32 hsync;
  1193. __u32 hbackporch;
  1194. __u32 vfrontporch;
  1195. __u32 vsync;
  1196. __u32 vbackporch;
  1197. __u32 il_vfrontporch;
  1198. __u32 il_vsync;
  1199. __u32 il_vbackporch;
  1200. __u32 standards;
  1201. __u32 flags;
  1202. struct v4l2_fract picture_aspect;
  1203. __u8 cea861_vic;
  1204. __u8 hdmi_vic;
  1205. __u8 reserved[46];
  1206. } __attribute__ ((packed));
  1207. /* Interlaced or progressive format */
  1208. #define V4L2_DV_PROGRESSIVE 0
  1209. #define V4L2_DV_INTERLACED 1
  1210. /* Polarities. If bit is not set, it is assumed to be negative polarity */
  1211. #define V4L2_DV_VSYNC_POS_POL 0x00000001
  1212. #define V4L2_DV_HSYNC_POS_POL 0x00000002
  1213. /* Timings standards */
  1214. #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
  1215. #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
  1216. #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
  1217. #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
  1218. #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
  1219. /* Flags */
  1220. /*
  1221. * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
  1222. * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
  1223. * intervals are reduced, allowing a higher resolution over the same
  1224. * bandwidth. This is a read-only flag.
  1225. */
  1226. #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
  1227. /*
  1228. * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
  1229. * of six. These formats can be optionally played at 1 / 1.001 speed.
  1230. * This is a read-only flag.
  1231. */
  1232. #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
  1233. /*
  1234. * CEA-861 specific: only valid for video transmitters, the flag is cleared
  1235. * by receivers.
  1236. * If the framerate of the format is a multiple of six, then the pixelclock
  1237. * used to set up the transmitter is divided by 1.001 to make it compatible
  1238. * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
  1239. * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
  1240. * such frequencies, then the flag will also be cleared.
  1241. */
  1242. #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
  1243. /*
  1244. * Specific to interlaced formats: if set, then field 1 is really one half-line
  1245. * longer and field 2 is really one half-line shorter, so each field has
  1246. * exactly the same number of half-lines. Whether half-lines can be detected
  1247. * or used depends on the hardware.
  1248. */
  1249. #define V4L2_DV_FL_HALF_LINE (1 << 3)
  1250. /*
  1251. * If set, then this is a Consumer Electronics (CE) video format. Such formats
  1252. * differ from other formats (commonly called IT formats) in that if RGB
  1253. * encoding is used then by default the RGB values use limited range (i.e.
  1254. * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
  1255. * except for the 640x480 format are CE formats.
  1256. */
  1257. #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
  1258. /* Some formats like SMPTE-125M have an interlaced signal with a odd
  1259. * total height. For these formats, if this flag is set, the first
  1260. * field has the extra line. If not, it is the second field.
  1261. */
  1262. #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
  1263. /*
  1264. * If set, then the picture_aspect field is valid. Otherwise assume that the
  1265. * pixels are square, so the picture aspect ratio is the same as the width to
  1266. * height ratio.
  1267. */
  1268. #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
  1269. /*
  1270. * If set, then the cea861_vic field is valid and contains the Video
  1271. * Identification Code as per the CEA-861 standard.
  1272. */
  1273. #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
  1274. /*
  1275. * If set, then the hdmi_vic field is valid and contains the Video
  1276. * Identification Code as per the HDMI standard (HDMI Vendor Specific
  1277. * InfoFrame).
  1278. */
  1279. #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
  1280. /* A few useful defines to calculate the total blanking and frame sizes */
  1281. #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
  1282. ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
  1283. #define V4L2_DV_BT_FRAME_WIDTH(bt) \
  1284. ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
  1285. #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
  1286. ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
  1287. (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
  1288. #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
  1289. ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
  1290. /** struct v4l2_dv_timings - DV timings
  1291. * @type: the type of the timings
  1292. * @bt: BT656/1120 timings
  1293. */
  1294. struct v4l2_dv_timings {
  1295. __u32 type;
  1296. union {
  1297. struct v4l2_bt_timings bt;
  1298. __u32 reserved[32];
  1299. };
  1300. } __attribute__ ((packed));
  1301. /* Values for the type field */
  1302. #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
  1303. /** struct v4l2_enum_dv_timings - DV timings enumeration
  1304. * @index: enumeration index
  1305. * @pad: the pad number for which to enumerate timings (used with
  1306. * v4l-subdev nodes only)
  1307. * @reserved: must be zeroed
  1308. * @timings: the timings for the given index
  1309. */
  1310. struct v4l2_enum_dv_timings {
  1311. __u32 index;
  1312. __u32 pad;
  1313. __u32 reserved[2];
  1314. struct v4l2_dv_timings timings;
  1315. };
  1316. /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
  1317. * @min_width: width in pixels
  1318. * @max_width: width in pixels
  1319. * @min_height: height in lines
  1320. * @max_height: height in lines
  1321. * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1322. * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1323. * @standards: Supported standards
  1324. * @capabilities: Supported capabilities
  1325. * @reserved: Must be zeroed
  1326. */
  1327. struct v4l2_bt_timings_cap {
  1328. __u32 min_width;
  1329. __u32 max_width;
  1330. __u32 min_height;
  1331. __u32 max_height;
  1332. __u64 min_pixelclock;
  1333. __u64 max_pixelclock;
  1334. __u32 standards;
  1335. __u32 capabilities;
  1336. __u32 reserved[16];
  1337. } __attribute__ ((packed));
  1338. /* Supports interlaced formats */
  1339. #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
  1340. /* Supports progressive formats */
  1341. #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
  1342. /* Supports CVT/GTF reduced blanking */
  1343. #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
  1344. /* Supports custom formats */
  1345. #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
  1346. /** struct v4l2_dv_timings_cap - DV timings capabilities
  1347. * @type: the type of the timings (same as in struct v4l2_dv_timings)
  1348. * @pad: the pad number for which to query capabilities (used with
  1349. * v4l-subdev nodes only)
  1350. * @bt: the BT656/1120 timings capabilities
  1351. */
  1352. struct v4l2_dv_timings_cap {
  1353. __u32 type;
  1354. __u32 pad;
  1355. __u32 reserved[2];
  1356. union {
  1357. struct v4l2_bt_timings_cap bt;
  1358. __u32 raw_data[32];
  1359. };
  1360. };
  1361. /*
  1362. * V I D E O I N P U T S
  1363. */
  1364. struct v4l2_input {
  1365. __u32 index; /* Which input */
  1366. __u8 name[32]; /* Label */
  1367. __u32 type; /* Type of input */
  1368. __u32 audioset; /* Associated audios (bitfield) */
  1369. __u32 tuner; /* enum v4l2_tuner_type */
  1370. v4l2_std_id std;
  1371. __u32 status;
  1372. __u32 capabilities;
  1373. __u32 reserved[3];
  1374. };
  1375. /* Values for the 'type' field */
  1376. #define V4L2_INPUT_TYPE_TUNER 1
  1377. #define V4L2_INPUT_TYPE_CAMERA 2
  1378. #define V4L2_INPUT_TYPE_TOUCH 3
  1379. /* field 'status' - general */
  1380. #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
  1381. #define V4L2_IN_ST_NO_SIGNAL 0x00000002
  1382. #define V4L2_IN_ST_NO_COLOR 0x00000004
  1383. /* field 'status' - sensor orientation */
  1384. /* If sensor is mounted upside down set both bits */
  1385. #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
  1386. #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
  1387. /* field 'status' - analog */
  1388. #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
  1389. #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
  1390. #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
  1391. #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
  1392. /* field 'status' - digital */
  1393. #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
  1394. #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
  1395. #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
  1396. /* field 'status' - VCR and set-top box */
  1397. #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
  1398. #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
  1399. #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
  1400. /* capabilities flags */
  1401. #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1402. #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
  1403. #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
  1404. #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1405. /*
  1406. * V I D E O O U T P U T S
  1407. */
  1408. struct v4l2_output {
  1409. __u32 index; /* Which output */
  1410. __u8 name[32]; /* Label */
  1411. __u32 type; /* Type of output */
  1412. __u32 audioset; /* Associated audios (bitfield) */
  1413. __u32 modulator; /* Associated modulator */
  1414. v4l2_std_id std;
  1415. __u32 capabilities;
  1416. __u32 reserved[3];
  1417. };
  1418. /* Values for the 'type' field */
  1419. #define V4L2_OUTPUT_TYPE_MODULATOR 1
  1420. #define V4L2_OUTPUT_TYPE_ANALOG 2
  1421. #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
  1422. /* capabilities flags */
  1423. #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1424. #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
  1425. #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
  1426. #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1427. /*
  1428. * C O N T R O L S
  1429. */
  1430. struct v4l2_control {
  1431. __u32 id;
  1432. __s32 value;
  1433. };
  1434. struct v4l2_ext_control {
  1435. __u32 id;
  1436. __u32 size;
  1437. __u32 reserved2[1];
  1438. union {
  1439. __s32 value;
  1440. __s64 value64;
  1441. char __user *string;
  1442. __u8 __user *p_u8;
  1443. __u16 __user *p_u16;
  1444. __u32 __user *p_u32;
  1445. void __user *ptr;
  1446. };
  1447. } __attribute__ ((packed));
  1448. struct v4l2_ext_controls {
  1449. union {
  1450. #ifndef __KERNEL__
  1451. __u32 ctrl_class;
  1452. #endif
  1453. __u32 which;
  1454. };
  1455. __u32 count;
  1456. __u32 error_idx;
  1457. __u32 reserved[2];
  1458. struct v4l2_ext_control *controls;
  1459. };
  1460. #define V4L2_CTRL_ID_MASK (0x0fffffff)
  1461. #ifndef __KERNEL__
  1462. #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
  1463. #endif
  1464. #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
  1465. #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  1466. #define V4L2_CTRL_MAX_DIMS (4)
  1467. #define V4L2_CTRL_WHICH_CUR_VAL 0
  1468. #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
  1469. enum v4l2_ctrl_type {
  1470. V4L2_CTRL_TYPE_INTEGER = 1,
  1471. V4L2_CTRL_TYPE_BOOLEAN = 2,
  1472. V4L2_CTRL_TYPE_MENU = 3,
  1473. V4L2_CTRL_TYPE_BUTTON = 4,
  1474. V4L2_CTRL_TYPE_INTEGER64 = 5,
  1475. V4L2_CTRL_TYPE_CTRL_CLASS = 6,
  1476. V4L2_CTRL_TYPE_STRING = 7,
  1477. V4L2_CTRL_TYPE_BITMASK = 8,
  1478. V4L2_CTRL_TYPE_INTEGER_MENU = 9,
  1479. /* Compound types are >= 0x0100 */
  1480. V4L2_CTRL_COMPOUND_TYPES = 0x0100,
  1481. V4L2_CTRL_TYPE_U8 = 0x0100,
  1482. V4L2_CTRL_TYPE_U16 = 0x0101,
  1483. V4L2_CTRL_TYPE_U32 = 0x0102,
  1484. };
  1485. /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  1486. struct v4l2_queryctrl {
  1487. __u32 id;
  1488. __u32 type; /* enum v4l2_ctrl_type */
  1489. __u8 name[32]; /* Whatever */
  1490. __s32 minimum; /* Note signedness */
  1491. __s32 maximum;
  1492. __s32 step;
  1493. __s32 default_value;
  1494. __u32 flags;
  1495. __u32 reserved[2];
  1496. };
  1497. /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
  1498. struct v4l2_query_ext_ctrl {
  1499. __u32 id;
  1500. __u32 type;
  1501. char name[32];
  1502. __s64 minimum;
  1503. __s64 maximum;
  1504. __u64 step;
  1505. __s64 default_value;
  1506. __u32 flags;
  1507. __u32 elem_size;
  1508. __u32 elems;
  1509. __u32 nr_of_dims;
  1510. __u32 dims[V4L2_CTRL_MAX_DIMS];
  1511. __u32 reserved[32];
  1512. };
  1513. /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  1514. struct v4l2_querymenu {
  1515. __u32 id;
  1516. __u32 index;
  1517. union {
  1518. __u8 name[32]; /* Whatever */
  1519. __s64 value;
  1520. };
  1521. __u32 reserved;
  1522. } __attribute__ ((packed));
  1523. /* Control flags */
  1524. #define V4L2_CTRL_FLAG_DISABLED 0x0001
  1525. #define V4L2_CTRL_FLAG_GRABBED 0x0002
  1526. #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
  1527. #define V4L2_CTRL_FLAG_UPDATE 0x0008
  1528. #define V4L2_CTRL_FLAG_INACTIVE 0x0010
  1529. #define V4L2_CTRL_FLAG_SLIDER 0x0020
  1530. #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
  1531. #define V4L2_CTRL_FLAG_VOLATILE 0x0080
  1532. #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
  1533. #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
  1534. #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
  1535. /* Query flags, to be ORed with the control ID */
  1536. #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
  1537. #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
  1538. /* User-class control IDs defined by V4L2 */
  1539. #define V4L2_CID_MAX_CTRLS 1024
  1540. /* IDs reserved for driver specific controls */
  1541. #define V4L2_CID_PRIVATE_BASE 0x08000000
  1542. /*
  1543. * T U N I N G
  1544. */
  1545. struct v4l2_tuner {
  1546. __u32 index;
  1547. __u8 name[32];
  1548. __u32 type; /* enum v4l2_tuner_type */
  1549. __u32 capability;
  1550. __u32 rangelow;
  1551. __u32 rangehigh;
  1552. __u32 rxsubchans;
  1553. __u32 audmode;
  1554. __s32 signal;
  1555. __s32 afc;
  1556. __u32 reserved[4];
  1557. };
  1558. struct v4l2_modulator {
  1559. __u32 index;
  1560. __u8 name[32];
  1561. __u32 capability;
  1562. __u32 rangelow;
  1563. __u32 rangehigh;
  1564. __u32 txsubchans;
  1565. __u32 type; /* enum v4l2_tuner_type */
  1566. __u32 reserved[3];
  1567. };
  1568. /* Flags for the 'capability' field */
  1569. #define V4L2_TUNER_CAP_LOW 0x0001
  1570. #define V4L2_TUNER_CAP_NORM 0x0002
  1571. #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
  1572. #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
  1573. #define V4L2_TUNER_CAP_STEREO 0x0010
  1574. #define V4L2_TUNER_CAP_LANG2 0x0020
  1575. #define V4L2_TUNER_CAP_SAP 0x0020
  1576. #define V4L2_TUNER_CAP_LANG1 0x0040
  1577. #define V4L2_TUNER_CAP_RDS 0x0080
  1578. #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
  1579. #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
  1580. #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
  1581. #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
  1582. #define V4L2_TUNER_CAP_1HZ 0x1000
  1583. /* Flags for the 'rxsubchans' field */
  1584. #define V4L2_TUNER_SUB_MONO 0x0001
  1585. #define V4L2_TUNER_SUB_STEREO 0x0002
  1586. #define V4L2_TUNER_SUB_LANG2 0x0004
  1587. #define V4L2_TUNER_SUB_SAP 0x0004
  1588. #define V4L2_TUNER_SUB_LANG1 0x0008
  1589. #define V4L2_TUNER_SUB_RDS 0x0010
  1590. /* Values for the 'audmode' field */
  1591. #define V4L2_TUNER_MODE_MONO 0x0000
  1592. #define V4L2_TUNER_MODE_STEREO 0x0001
  1593. #define V4L2_TUNER_MODE_LANG2 0x0002
  1594. #define V4L2_TUNER_MODE_SAP 0x0002
  1595. #define V4L2_TUNER_MODE_LANG1 0x0003
  1596. #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
  1597. struct v4l2_frequency {
  1598. __u32 tuner;
  1599. __u32 type; /* enum v4l2_tuner_type */
  1600. __u32 frequency;
  1601. __u32 reserved[8];
  1602. };
  1603. #define V4L2_BAND_MODULATION_VSB (1 << 1)
  1604. #define V4L2_BAND_MODULATION_FM (1 << 2)
  1605. #define V4L2_BAND_MODULATION_AM (1 << 3)
  1606. struct v4l2_frequency_band {
  1607. __u32 tuner;
  1608. __u32 type; /* enum v4l2_tuner_type */
  1609. __u32 index;
  1610. __u32 capability;
  1611. __u32 rangelow;
  1612. __u32 rangehigh;
  1613. __u32 modulation;
  1614. __u32 reserved[9];
  1615. };
  1616. struct v4l2_hw_freq_seek {
  1617. __u32 tuner;
  1618. __u32 type; /* enum v4l2_tuner_type */
  1619. __u32 seek_upward;
  1620. __u32 wrap_around;
  1621. __u32 spacing;
  1622. __u32 rangelow;
  1623. __u32 rangehigh;
  1624. __u32 reserved[5];
  1625. };
  1626. /*
  1627. * R D S
  1628. */
  1629. struct v4l2_rds_data {
  1630. __u8 lsb;
  1631. __u8 msb;
  1632. __u8 block;
  1633. } __attribute__ ((packed));
  1634. #define V4L2_RDS_BLOCK_MSK 0x7
  1635. #define V4L2_RDS_BLOCK_A 0
  1636. #define V4L2_RDS_BLOCK_B 1
  1637. #define V4L2_RDS_BLOCK_C 2
  1638. #define V4L2_RDS_BLOCK_D 3
  1639. #define V4L2_RDS_BLOCK_C_ALT 4
  1640. #define V4L2_RDS_BLOCK_INVALID 7
  1641. #define V4L2_RDS_BLOCK_CORRECTED 0x40
  1642. #define V4L2_RDS_BLOCK_ERROR 0x80
  1643. /*
  1644. * A U D I O
  1645. */
  1646. struct v4l2_audio {
  1647. __u32 index;
  1648. __u8 name[32];
  1649. __u32 capability;
  1650. __u32 mode;
  1651. __u32 reserved[2];
  1652. };
  1653. /* Flags for the 'capability' field */
  1654. #define V4L2_AUDCAP_STEREO 0x00001
  1655. #define V4L2_AUDCAP_AVL 0x00002
  1656. /* Flags for the 'mode' field */
  1657. #define V4L2_AUDMODE_AVL 0x00001
  1658. struct v4l2_audioout {
  1659. __u32 index;
  1660. __u8 name[32];
  1661. __u32 capability;
  1662. __u32 mode;
  1663. __u32 reserved[2];
  1664. };
  1665. /*
  1666. * M P E G S E R V I C E S
  1667. */
  1668. #if 1
  1669. #define V4L2_ENC_IDX_FRAME_I (0)
  1670. #define V4L2_ENC_IDX_FRAME_P (1)
  1671. #define V4L2_ENC_IDX_FRAME_B (2)
  1672. #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  1673. struct v4l2_enc_idx_entry {
  1674. __u64 offset;
  1675. __u64 pts;
  1676. __u32 length;
  1677. __u32 flags;
  1678. __u32 reserved[2];
  1679. };
  1680. #define V4L2_ENC_IDX_ENTRIES (64)
  1681. struct v4l2_enc_idx {
  1682. __u32 entries;
  1683. __u32 entries_cap;
  1684. __u32 reserved[4];
  1685. struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  1686. };
  1687. #define V4L2_ENC_CMD_START (0)
  1688. #define V4L2_ENC_CMD_STOP (1)
  1689. #define V4L2_ENC_CMD_PAUSE (2)
  1690. #define V4L2_ENC_CMD_RESUME (3)
  1691. /* Flags for V4L2_ENC_CMD_STOP */
  1692. #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
  1693. struct v4l2_encoder_cmd {
  1694. __u32 cmd;
  1695. __u32 flags;
  1696. union {
  1697. struct {
  1698. __u32 data[8];
  1699. } raw;
  1700. };
  1701. };
  1702. /* Decoder commands */
  1703. #define V4L2_DEC_CMD_START (0)
  1704. #define V4L2_DEC_CMD_STOP (1)
  1705. #define V4L2_DEC_CMD_PAUSE (2)
  1706. #define V4L2_DEC_CMD_RESUME (3)
  1707. /* Flags for V4L2_DEC_CMD_START */
  1708. #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
  1709. /* Flags for V4L2_DEC_CMD_PAUSE */
  1710. #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
  1711. /* Flags for V4L2_DEC_CMD_STOP */
  1712. #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
  1713. #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
  1714. /* Play format requirements (returned by the driver): */
  1715. /* The decoder has no special format requirements */
  1716. #define V4L2_DEC_START_FMT_NONE (0)
  1717. /* The decoder requires full GOPs */
  1718. #define V4L2_DEC_START_FMT_GOP (1)
  1719. /* The structure must be zeroed before use by the application
  1720. This ensures it can be extended safely in the future. */
  1721. struct v4l2_decoder_cmd {
  1722. __u32 cmd;
  1723. __u32 flags;
  1724. union {
  1725. struct {
  1726. __u64 pts;
  1727. } stop;
  1728. struct {
  1729. /* 0 or 1000 specifies normal speed,
  1730. 1 specifies forward single stepping,
  1731. -1 specifies backward single stepping,
  1732. >1: playback at speed/1000 of the normal speed,
  1733. <-1: reverse playback at (-speed/1000) of the normal speed. */
  1734. __s32 speed;
  1735. __u32 format;
  1736. } start;
  1737. struct {
  1738. __u32 data[16];
  1739. } raw;
  1740. };
  1741. };
  1742. #endif
  1743. /*
  1744. * D A T A S E R V I C E S ( V B I )
  1745. *
  1746. * Data services API by Michael Schimek
  1747. */
  1748. /* Raw VBI */
  1749. struct v4l2_vbi_format {
  1750. __u32 sampling_rate; /* in 1 Hz */
  1751. __u32 offset;
  1752. __u32 samples_per_line;
  1753. __u32 sample_format; /* V4L2_PIX_FMT_* */
  1754. __s32 start[2];
  1755. __u32 count[2];
  1756. __u32 flags; /* V4L2_VBI_* */
  1757. __u32 reserved[2]; /* must be zero */
  1758. };
  1759. /* VBI flags */
  1760. #define V4L2_VBI_UNSYNC (1 << 0)
  1761. #define V4L2_VBI_INTERLACED (1 << 1)
  1762. /* ITU-R start lines for each field */
  1763. #define V4L2_VBI_ITU_525_F1_START (1)
  1764. #define V4L2_VBI_ITU_525_F2_START (264)
  1765. #define V4L2_VBI_ITU_625_F1_START (1)
  1766. #define V4L2_VBI_ITU_625_F2_START (314)
  1767. /* Sliced VBI
  1768. *
  1769. * This implements is a proposal V4L2 API to allow SLICED VBI
  1770. * required for some hardware encoders. It should change without
  1771. * notice in the definitive implementation.
  1772. */
  1773. struct v4l2_sliced_vbi_format {
  1774. __u16 service_set;
  1775. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1776. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1777. (equals frame lines 313-336 for 625 line video
  1778. standards, 263-286 for 525 line standards) */
  1779. __u16 service_lines[2][24];
  1780. __u32 io_size;
  1781. __u32 reserved[2]; /* must be zero */
  1782. };
  1783. /* Teletext World System Teletext
  1784. (WST), defined on ITU-R BT.653-2 */
  1785. #define V4L2_SLICED_TELETEXT_B (0x0001)
  1786. /* Video Program System, defined on ETS 300 231*/
  1787. #define V4L2_SLICED_VPS (0x0400)
  1788. /* Closed Caption, defined on EIA-608 */
  1789. #define V4L2_SLICED_CAPTION_525 (0x1000)
  1790. /* Wide Screen System, defined on ITU-R BT1119.1 */
  1791. #define V4L2_SLICED_WSS_625 (0x4000)
  1792. #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
  1793. #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
  1794. struct v4l2_sliced_vbi_cap {
  1795. __u16 service_set;
  1796. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1797. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1798. (equals frame lines 313-336 for 625 line video
  1799. standards, 263-286 for 525 line standards) */
  1800. __u16 service_lines[2][24];
  1801. __u32 type; /* enum v4l2_buf_type */
  1802. __u32 reserved[3]; /* must be 0 */
  1803. };
  1804. struct v4l2_sliced_vbi_data {
  1805. __u32 id;
  1806. __u32 field; /* 0: first field, 1: second field */
  1807. __u32 line; /* 1-23 */
  1808. __u32 reserved; /* must be 0 */
  1809. __u8 data[48];
  1810. };
  1811. /*
  1812. * Sliced VBI data inserted into MPEG Streams
  1813. */
  1814. /*
  1815. * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
  1816. *
  1817. * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
  1818. * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
  1819. * data
  1820. *
  1821. * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
  1822. * definitions are not included here. See the MPEG-2 specifications for details
  1823. * on these headers.
  1824. */
  1825. /* Line type IDs */
  1826. #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
  1827. #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
  1828. #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
  1829. #define V4L2_MPEG_VBI_IVTV_VPS (7)
  1830. struct v4l2_mpeg_vbi_itv0_line {
  1831. __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
  1832. __u8 data[42]; /* Sliced VBI data for the line */
  1833. } __attribute__ ((packed));
  1834. struct v4l2_mpeg_vbi_itv0 {
  1835. __le32 linemask[2]; /* Bitmasks of VBI service lines present */
  1836. struct v4l2_mpeg_vbi_itv0_line line[35];
  1837. } __attribute__ ((packed));
  1838. struct v4l2_mpeg_vbi_ITV0 {
  1839. struct v4l2_mpeg_vbi_itv0_line line[36];
  1840. } __attribute__ ((packed));
  1841. #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
  1842. #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
  1843. struct v4l2_mpeg_vbi_fmt_ivtv {
  1844. __u8 magic[4];
  1845. union {
  1846. struct v4l2_mpeg_vbi_itv0 itv0;
  1847. struct v4l2_mpeg_vbi_ITV0 ITV0;
  1848. };
  1849. } __attribute__ ((packed));
  1850. /*
  1851. * A G G R E G A T E S T R U C T U R E S
  1852. */
  1853. /**
  1854. * struct v4l2_plane_pix_format - additional, per-plane format definition
  1855. * @sizeimage: maximum size in bytes required for data, for which
  1856. * this plane will be used
  1857. * @bytesperline: distance in bytes between the leftmost pixels in two
  1858. * adjacent lines
  1859. */
  1860. struct v4l2_plane_pix_format {
  1861. __u32 sizeimage;
  1862. __u32 bytesperline;
  1863. __u16 reserved[6];
  1864. } __attribute__ ((packed));
  1865. /**
  1866. * struct v4l2_pix_format_mplane - multiplanar format definition
  1867. * @width: image width in pixels
  1868. * @height: image height in pixels
  1869. * @pixelformat: little endian four character code (fourcc)
  1870. * @field: enum v4l2_field; field order (for interlaced video)
  1871. * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  1872. * @plane_fmt: per-plane information
  1873. * @num_planes: number of planes for this format
  1874. * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
  1875. * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  1876. * @quantization: enum v4l2_quantization, colorspace quantization
  1877. * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
  1878. */
  1879. struct v4l2_pix_format_mplane {
  1880. __u32 width;
  1881. __u32 height;
  1882. __u32 pixelformat;
  1883. __u32 field;
  1884. __u32 colorspace;
  1885. struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
  1886. __u8 num_planes;
  1887. __u8 flags;
  1888. union {
  1889. __u8 ycbcr_enc;
  1890. __u8 hsv_enc;
  1891. };
  1892. __u8 quantization;
  1893. __u8 xfer_func;
  1894. __u8 reserved[7];
  1895. } __attribute__ ((packed));
  1896. /**
  1897. * struct v4l2_sdr_format - SDR format definition
  1898. * @pixelformat: little endian four character code (fourcc)
  1899. * @buffersize: maximum size in bytes required for data
  1900. */
  1901. struct v4l2_sdr_format {
  1902. __u32 pixelformat;
  1903. __u32 buffersize;
  1904. __u8 reserved[24];
  1905. } __attribute__ ((packed));
  1906. /**
  1907. * struct v4l2_meta_format - metadata format definition
  1908. * @dataformat: little endian four character code (fourcc)
  1909. * @buffersize: maximum size in bytes required for data
  1910. */
  1911. struct v4l2_meta_format {
  1912. __u32 dataformat;
  1913. __u32 buffersize;
  1914. } __attribute__ ((packed));
  1915. /**
  1916. * struct v4l2_format - stream data format
  1917. * @type: enum v4l2_buf_type; type of the data stream
  1918. * @pix: definition of an image format
  1919. * @pix_mp: definition of a multiplanar image format
  1920. * @win: definition of an overlaid image
  1921. * @vbi: raw VBI capture or output parameters
  1922. * @sliced: sliced VBI capture or output parameters
  1923. * @raw_data: placeholder for future extensions and custom formats
  1924. */
  1925. struct v4l2_format {
  1926. __u32 type;
  1927. union {
  1928. struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
  1929. struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
  1930. struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
  1931. struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
  1932. struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
  1933. struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
  1934. struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
  1935. __u8 raw_data[200]; /* user-defined */
  1936. } fmt;
  1937. };
  1938. /* Stream type-dependent parameters
  1939. */
  1940. struct v4l2_streamparm {
  1941. __u32 type; /* enum v4l2_buf_type */
  1942. union {
  1943. struct v4l2_captureparm capture;
  1944. struct v4l2_outputparm output;
  1945. __u8 raw_data[200]; /* user-defined */
  1946. } parm;
  1947. };
  1948. /*
  1949. * E V E N T S
  1950. */
  1951. #define V4L2_EVENT_ALL 0
  1952. #define V4L2_EVENT_VSYNC 1
  1953. #define V4L2_EVENT_EOS 2
  1954. #define V4L2_EVENT_CTRL 3
  1955. #define V4L2_EVENT_FRAME_SYNC 4
  1956. #define V4L2_EVENT_SOURCE_CHANGE 5
  1957. #define V4L2_EVENT_MOTION_DET 6
  1958. #define V4L2_EVENT_PRIVATE_START 0x08000000
  1959. /* Payload for V4L2_EVENT_VSYNC */
  1960. struct v4l2_event_vsync {
  1961. /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
  1962. __u8 field;
  1963. } __attribute__ ((packed));
  1964. /* Payload for V4L2_EVENT_CTRL */
  1965. #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
  1966. #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
  1967. #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
  1968. struct v4l2_event_ctrl {
  1969. __u32 changes;
  1970. __u32 type;
  1971. union {
  1972. __s32 value;
  1973. __s64 value64;
  1974. };
  1975. __u32 flags;
  1976. __s32 minimum;
  1977. __s32 maximum;
  1978. __s32 step;
  1979. __s32 default_value;
  1980. };
  1981. struct v4l2_event_frame_sync {
  1982. __u32 frame_sequence;
  1983. };
  1984. #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
  1985. struct v4l2_event_src_change {
  1986. __u32 changes;
  1987. };
  1988. #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
  1989. /**
  1990. * struct v4l2_event_motion_det - motion detection event
  1991. * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
  1992. * frame_sequence field is valid.
  1993. * @frame_sequence: the frame sequence number associated with this event.
  1994. * @region_mask: which regions detected motion.
  1995. */
  1996. struct v4l2_event_motion_det {
  1997. __u32 flags;
  1998. __u32 frame_sequence;
  1999. __u32 region_mask;
  2000. };
  2001. struct v4l2_event {
  2002. __u32 type;
  2003. union {
  2004. struct v4l2_event_vsync vsync;
  2005. struct v4l2_event_ctrl ctrl;
  2006. struct v4l2_event_frame_sync frame_sync;
  2007. struct v4l2_event_src_change src_change;
  2008. struct v4l2_event_motion_det motion_det;
  2009. __u8 data[64];
  2010. } u;
  2011. __u32 pending;
  2012. __u32 sequence;
  2013. struct timespec timestamp;
  2014. __u32 id;
  2015. __u32 reserved[8];
  2016. };
  2017. #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
  2018. #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
  2019. struct v4l2_event_subscription {
  2020. __u32 type;
  2021. __u32 id;
  2022. __u32 flags;
  2023. __u32 reserved[5];
  2024. };
  2025. /*
  2026. * A D V A N C E D D E B U G G I N G
  2027. *
  2028. * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
  2029. * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
  2030. */
  2031. /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  2032. #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
  2033. #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
  2034. /* The following four defines are no longer in use */
  2035. #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
  2036. #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
  2037. #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
  2038. #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
  2039. struct v4l2_dbg_match {
  2040. __u32 type; /* Match type */
  2041. union { /* Match this chip, meaning determined by type */
  2042. __u32 addr;
  2043. char name[32];
  2044. };
  2045. } __attribute__ ((packed));
  2046. struct v4l2_dbg_register {
  2047. struct v4l2_dbg_match match;
  2048. __u32 size; /* register size in bytes */
  2049. __u64 reg;
  2050. __u64 val;
  2051. } __attribute__ ((packed));
  2052. #define V4L2_CHIP_FL_READABLE (1 << 0)
  2053. #define V4L2_CHIP_FL_WRITABLE (1 << 1)
  2054. /* VIDIOC_DBG_G_CHIP_INFO */
  2055. struct v4l2_dbg_chip_info {
  2056. struct v4l2_dbg_match match;
  2057. char name[32];
  2058. __u32 flags;
  2059. __u32 reserved[32];
  2060. } __attribute__ ((packed));
  2061. /**
  2062. * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
  2063. * @index: on return, index of the first created buffer
  2064. * @count: entry: number of requested buffers,
  2065. * return: number of created buffers
  2066. * @memory: enum v4l2_memory; buffer memory type
  2067. * @format: frame format, for which buffers are requested
  2068. * @reserved: future extensions
  2069. */
  2070. struct v4l2_create_buffers {
  2071. __u32 index;
  2072. __u32 count;
  2073. __u32 memory;
  2074. struct v4l2_format format;
  2075. __u32 reserved[8];
  2076. };
  2077. /*
  2078. * I O C T L C O D E S F O R V I D E O D E V I C E S
  2079. *
  2080. */
  2081. #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
  2082. #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
  2083. #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
  2084. #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
  2085. #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
  2086. #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
  2087. #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
  2088. #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
  2089. #define VIDIOC_OVERLAY _IOW('V', 14, int)
  2090. #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
  2091. #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
  2092. #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
  2093. #define VIDIOC_STREAMON _IOW('V', 18, int)
  2094. #define VIDIOC_STREAMOFF _IOW('V', 19, int)
  2095. #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
  2096. #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
  2097. #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
  2098. #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
  2099. #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
  2100. #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
  2101. #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
  2102. #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
  2103. #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
  2104. #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
  2105. #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
  2106. #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
  2107. #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
  2108. #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
  2109. #define VIDIOC_G_INPUT _IOR('V', 38, int)
  2110. #define VIDIOC_S_INPUT _IOWR('V', 39, int)
  2111. #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
  2112. #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
  2113. #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
  2114. #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
  2115. #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
  2116. #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
  2117. #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
  2118. #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
  2119. #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
  2120. #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
  2121. #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
  2122. #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
  2123. #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
  2124. #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
  2125. #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
  2126. #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
  2127. #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
  2128. #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
  2129. #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
  2130. #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
  2131. #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
  2132. #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
  2133. #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
  2134. #define VIDIOC_LOG_STATUS _IO('V', 70)
  2135. #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
  2136. #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
  2137. #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
  2138. #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
  2139. #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
  2140. #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
  2141. #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
  2142. #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
  2143. /*
  2144. * Experimental, meant for debugging, testing and internal use.
  2145. * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
  2146. * You must be root to use these ioctls. Never use these in applications!
  2147. */
  2148. #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
  2149. #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
  2150. #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
  2151. #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
  2152. #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
  2153. #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
  2154. #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
  2155. #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
  2156. #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
  2157. #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
  2158. #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
  2159. #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
  2160. #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
  2161. #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
  2162. #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
  2163. #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
  2164. #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
  2165. #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
  2166. /*
  2167. * Experimental, meant for debugging, testing and internal use.
  2168. * Never use this in applications!
  2169. */
  2170. #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
  2171. #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
  2172. /* Reminder: when adding new ioctls please add support for them to
  2173. drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
  2174. #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
  2175. #endif /* _UAPI__LINUX_VIDEODEV2_H */