12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537 |
- /*
- *
- * device driver for philips saa7134 based TV cards
- * video4linux video interface
- *
- * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include <linux/init.h>
- #include <linux/list.h>
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/kernel.h>
- #include <linux/slab.h>
- #include "saa7134-reg.h"
- #include "saa7134.h"
- #include <media/v4l2-common.h>
- #ifdef CONFIG_VIDEO_V4L1_COMPAT
- /* Include V4L1 specific functions. Should be removed soon */
- #include <linux/videodev.h>
- #endif
- /* ------------------------------------------------------------------ */
- static unsigned int video_debug = 0;
- static unsigned int gbuffers = 8;
- static unsigned int noninterlaced = 1;
- static unsigned int gbufsize = 720*576*4;
- static unsigned int gbufsize_max = 720*576*4;
- static char secam[] = "--";
- module_param(video_debug, int, 0644);
- MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
- module_param(gbuffers, int, 0444);
- MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
- module_param(noninterlaced, int, 0644);
- MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
- module_param_string(secam, secam, sizeof(secam), 0644);
- MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
- #define dprintk(fmt, arg...) if (video_debug) \
- printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
- /* ------------------------------------------------------------------ */
- /* Defines for Video Output Port Register at address 0x191 */
- /* Bit 0: VIP code T bit polarity */
- #define VP_T_CODE_P_NON_INVERTED 0x00
- #define VP_T_CODE_P_INVERTED 0x01
- /* ------------------------------------------------------------------ */
- /* Defines for Video Output Port Register at address 0x195 */
- /* Bit 2: Video output clock delay control */
- #define VP_CLK_CTRL2_NOT_DELAYED 0x00
- #define VP_CLK_CTRL2_DELAYED 0x04
- /* Bit 1: Video output clock invert control */
- #define VP_CLK_CTRL1_NON_INVERTED 0x00
- #define VP_CLK_CTRL1_INVERTED 0x02
- /* ------------------------------------------------------------------ */
- /* Defines for Video Output Port Register at address 0x196 */
- /* Bits 2 to 0: VSYNC pin video vertical sync type */
- #define VP_VS_TYPE_MASK 0x07
- #define VP_VS_TYPE_OFF 0x00
- #define VP_VS_TYPE_V123 0x01
- #define VP_VS_TYPE_V_ITU 0x02
- #define VP_VS_TYPE_VGATE_L 0x03
- #define VP_VS_TYPE_RESERVED1 0x04
- #define VP_VS_TYPE_RESERVED2 0x05
- #define VP_VS_TYPE_F_ITU 0x06
- #define VP_VS_TYPE_SC_FID 0x07
- /* ------------------------------------------------------------------ */
- /* data structs for video */
- static int video_out[][9] = {
- [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
- };
- static struct saa7134_format formats[] = {
- {
- .name = "8 bpp gray",
- .fourcc = V4L2_PIX_FMT_GREY,
- .depth = 8,
- .pm = 0x06,
- },{
- .name = "15 bpp RGB, le",
- .fourcc = V4L2_PIX_FMT_RGB555,
- .depth = 16,
- .pm = 0x13 | 0x80,
- },{
- .name = "15 bpp RGB, be",
- .fourcc = V4L2_PIX_FMT_RGB555X,
- .depth = 16,
- .pm = 0x13 | 0x80,
- .bswap = 1,
- },{
- .name = "16 bpp RGB, le",
- .fourcc = V4L2_PIX_FMT_RGB565,
- .depth = 16,
- .pm = 0x10 | 0x80,
- },{
- .name = "16 bpp RGB, be",
- .fourcc = V4L2_PIX_FMT_RGB565X,
- .depth = 16,
- .pm = 0x10 | 0x80,
- .bswap = 1,
- },{
- .name = "24 bpp RGB, le",
- .fourcc = V4L2_PIX_FMT_BGR24,
- .depth = 24,
- .pm = 0x11,
- },{
- .name = "24 bpp RGB, be",
- .fourcc = V4L2_PIX_FMT_RGB24,
- .depth = 24,
- .pm = 0x11,
- .bswap = 1,
- },{
- .name = "32 bpp RGB, le",
- .fourcc = V4L2_PIX_FMT_BGR32,
- .depth = 32,
- .pm = 0x12,
- },{
- .name = "32 bpp RGB, be",
- .fourcc = V4L2_PIX_FMT_RGB32,
- .depth = 32,
- .pm = 0x12,
- .bswap = 1,
- .wswap = 1,
- },{
- .name = "4:2:2 packed, YUYV",
- .fourcc = V4L2_PIX_FMT_YUYV,
- .depth = 16,
- .pm = 0x00,
- .bswap = 1,
- .yuv = 1,
- },{
- .name = "4:2:2 packed, UYVY",
- .fourcc = V4L2_PIX_FMT_UYVY,
- .depth = 16,
- .pm = 0x00,
- .yuv = 1,
- },{
- .name = "4:2:2 planar, Y-Cb-Cr",
- .fourcc = V4L2_PIX_FMT_YUV422P,
- .depth = 16,
- .pm = 0x09,
- .yuv = 1,
- .planar = 1,
- .hshift = 1,
- .vshift = 0,
- },{
- .name = "4:2:0 planar, Y-Cb-Cr",
- .fourcc = V4L2_PIX_FMT_YUV420,
- .depth = 12,
- .pm = 0x0a,
- .yuv = 1,
- .planar = 1,
- .hshift = 1,
- .vshift = 1,
- },{
- .name = "4:2:0 planar, Y-Cb-Cr",
- .fourcc = V4L2_PIX_FMT_YVU420,
- .depth = 12,
- .pm = 0x0a,
- .yuv = 1,
- .planar = 1,
- .uvswap = 1,
- .hshift = 1,
- .vshift = 1,
- }
- };
- #define FORMATS ARRAY_SIZE(formats)
- #define NORM_625_50 \
- .h_start = 0, \
- .h_stop = 719, \
- .video_v_start = 24, \
- .video_v_stop = 311, \
- .vbi_v_start_0 = 7, \
- .vbi_v_stop_0 = 22, \
- .vbi_v_start_1 = 319, \
- .src_timing = 4
- #define NORM_525_60 \
- .h_start = 0, \
- .h_stop = 703, \
- .video_v_start = 23, \
- .video_v_stop = 262, \
- .vbi_v_start_0 = 10, \
- .vbi_v_stop_0 = 21, \
- .vbi_v_start_1 = 273, \
- .src_timing = 7
- static struct saa7134_tvnorm tvnorms[] = {
- {
- .name = "PAL", /* autodetect */
- .id = V4L2_STD_PAL,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x81,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- },{
- .name = "PAL-BG",
- .id = V4L2_STD_PAL_BG,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x81,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- },{
- .name = "PAL-I",
- .id = V4L2_STD_PAL_I,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x81,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- },{
- .name = "PAL-DK",
- .id = V4L2_STD_PAL_DK,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x81,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- },{
- .name = "NTSC",
- .id = V4L2_STD_NTSC,
- NORM_525_60,
- .sync_control = 0x59,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x89,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x0e,
- .vgate_misc = 0x18,
- },{
- .name = "SECAM",
- .id = V4L2_STD_SECAM,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x1b,
- .chroma_ctrl1 = 0xd1,
- .chroma_gain = 0x80,
- .chroma_ctrl2 = 0x00,
- .vgate_misc = 0x1c,
- },{
- .name = "SECAM-DK",
- .id = V4L2_STD_SECAM_DK,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x1b,
- .chroma_ctrl1 = 0xd1,
- .chroma_gain = 0x80,
- .chroma_ctrl2 = 0x00,
- .vgate_misc = 0x1c,
- },{
- .name = "SECAM-L",
- .id = V4L2_STD_SECAM_L,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x1b,
- .chroma_ctrl1 = 0xd1,
- .chroma_gain = 0x80,
- .chroma_ctrl2 = 0x00,
- .vgate_misc = 0x1c,
- },{
- .name = "SECAM-Lc",
- .id = V4L2_STD_SECAM_LC,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x1b,
- .chroma_ctrl1 = 0xd1,
- .chroma_gain = 0x80,
- .chroma_ctrl2 = 0x00,
- .vgate_misc = 0x1c,
- },{
- .name = "PAL-M",
- .id = V4L2_STD_PAL_M,
- NORM_525_60,
- .sync_control = 0x59,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0xb9,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x0e,
- .vgate_misc = 0x18,
- },{
- .name = "PAL-Nc",
- .id = V4L2_STD_PAL_Nc,
- NORM_625_50,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0xa1,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- },{
- .name = "PAL-60",
- .id = V4L2_STD_PAL_60,
- .h_start = 0,
- .h_stop = 719,
- .video_v_start = 23,
- .video_v_stop = 262,
- .vbi_v_start_0 = 10,
- .vbi_v_stop_0 = 21,
- .vbi_v_start_1 = 273,
- .src_timing = 7,
- .sync_control = 0x18,
- .luma_control = 0x40,
- .chroma_ctrl1 = 0x81,
- .chroma_gain = 0x2a,
- .chroma_ctrl2 = 0x06,
- .vgate_misc = 0x1c,
- }
- };
- #define TVNORMS ARRAY_SIZE(tvnorms)
- #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
- #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
- #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
- #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
- #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
- static const struct v4l2_queryctrl no_ctrl = {
- .name = "42",
- .flags = V4L2_CTRL_FLAG_DISABLED,
- };
- static const struct v4l2_queryctrl video_ctrls[] = {
- /* --- video --- */
- {
- .id = V4L2_CID_BRIGHTNESS,
- .name = "Brightness",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = 128,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_CONTRAST,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 127,
- .step = 1,
- .default_value = 68,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_SATURATION,
- .name = "Saturation",
- .minimum = 0,
- .maximum = 127,
- .step = 1,
- .default_value = 64,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_HUE,
- .name = "Hue",
- .minimum = -128,
- .maximum = 127,
- .step = 1,
- .default_value = 0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_HFLIP,
- .name = "Mirror",
- .minimum = 0,
- .maximum = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
- /* --- audio --- */
- {
- .id = V4L2_CID_AUDIO_MUTE,
- .name = "Mute",
- .minimum = 0,
- .maximum = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },{
- .id = V4L2_CID_AUDIO_VOLUME,
- .name = "Volume",
- .minimum = -15,
- .maximum = 15,
- .step = 1,
- .default_value = 0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- /* --- private --- */
- {
- .id = V4L2_CID_PRIVATE_INVERT,
- .name = "Invert",
- .minimum = 0,
- .maximum = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },{
- .id = V4L2_CID_PRIVATE_Y_ODD,
- .name = "y offset odd field",
- .minimum = 0,
- .maximum = 128,
- .default_value = 0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_PRIVATE_Y_EVEN,
- .name = "y offset even field",
- .minimum = 0,
- .maximum = 128,
- .default_value = 0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },{
- .id = V4L2_CID_PRIVATE_AUTOMUTE,
- .name = "automute",
- .minimum = 0,
- .maximum = 1,
- .default_value = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- }
- };
- static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
- static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
- {
- unsigned int i;
- for (i = 0; i < CTRLS; i++)
- if (video_ctrls[i].id == id)
- return video_ctrls+i;
- return NULL;
- }
- static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
- {
- unsigned int i;
- for (i = 0; i < FORMATS; i++)
- if (formats[i].fourcc == fourcc)
- return formats+i;
- return NULL;
- }
- /* ----------------------------------------------------------------------- */
- /* resource management */
- static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
- {
- if (fh->resources & bit)
- /* have it already allocated */
- return 1;
- /* is it free? */
- mutex_lock(&dev->lock);
- if (dev->resources & bit) {
- /* no, someone else uses it */
- mutex_unlock(&dev->lock);
- return 0;
- }
- /* it's free, grab it */
- fh->resources |= bit;
- dev->resources |= bit;
- dprintk("res: get %d\n",bit);
- mutex_unlock(&dev->lock);
- return 1;
- }
- static
- int res_check(struct saa7134_fh *fh, unsigned int bit)
- {
- return (fh->resources & bit);
- }
- static
- int res_locked(struct saa7134_dev *dev, unsigned int bit)
- {
- return (dev->resources & bit);
- }
- static
- void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
- {
- BUG_ON((fh->resources & bits) != bits);
- mutex_lock(&dev->lock);
- fh->resources &= ~bits;
- dev->resources &= ~bits;
- dprintk("res: put %d\n",bits);
- mutex_unlock(&dev->lock);
- }
- /* ------------------------------------------------------------------ */
- static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
- {
- int luma_control,sync_control,mux;
- dprintk("set tv norm = %s\n",norm->name);
- dev->tvnorm = norm;
- mux = card_in(dev,dev->ctl_input).vmux;
- luma_control = norm->luma_control;
- sync_control = norm->sync_control;
- if (mux > 5)
- luma_control |= 0x80; /* svideo */
- if (noninterlaced || dev->nosignal)
- sync_control |= 0x20;
- /* setup cropping */
- dev->crop_bounds.left = norm->h_start;
- dev->crop_defrect.left = norm->h_start;
- dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
- dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
- dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
- dev->crop_defrect.top = norm->video_v_start*2;
- dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
- - dev->crop_bounds.top;
- dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
- dev->crop_current = dev->crop_defrect;
- /* setup video decoder */
- saa_writeb(SAA7134_INCR_DELAY, 0x08);
- saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
- saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
- saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
- saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
- saa_writeb(SAA7134_HSYNC_START, 0xeb);
- saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
- saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
- saa_writeb(SAA7134_SYNC_CTRL, sync_control);
- saa_writeb(SAA7134_LUMA_CTRL, luma_control);
- saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
- saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
- saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
- saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
- saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
- saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
- saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
- saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
- saa_writeb(SAA7134_ANALOG_ADC, 0x01);
- saa_writeb(SAA7134_VGATE_START, 0x11);
- saa_writeb(SAA7134_VGATE_STOP, 0xfe);
- saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
- saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
- saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
- saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
- }
- static void video_mux(struct saa7134_dev *dev, int input)
- {
- dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
- dev->ctl_input = input;
- set_tvnorm(dev,dev->tvnorm);
- saa7134_tvaudio_setinput(dev,&card_in(dev,input));
- }
- static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
- {
- static const struct {
- int xpsc;
- int xacl;
- int xc2_1;
- int xdcg;
- int vpfy;
- } vals[] = {
- /* XPSC XACL XC2_1 XDCG VPFY */
- { 1, 0, 0, 0, 0 },
- { 2, 2, 1, 2, 2 },
- { 3, 4, 1, 3, 2 },
- { 4, 8, 1, 4, 2 },
- { 5, 8, 1, 4, 2 },
- { 6, 8, 1, 4, 3 },
- { 7, 8, 1, 4, 3 },
- { 8, 15, 0, 4, 3 },
- { 9, 15, 0, 4, 3 },
- { 10, 16, 1, 5, 3 },
- };
- static const int count = ARRAY_SIZE(vals);
- int i;
- for (i = 0; i < count; i++)
- if (vals[i].xpsc == prescale)
- break;
- if (i == count)
- return;
- saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
- saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
- saa_writeb(SAA7134_LEVEL_CTRL(task),
- (vals[i].xc2_1 << 3) | (vals[i].xdcg));
- saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
- (vals[i].vpfy << 2) | vals[i].vpfy);
- }
- static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
- {
- int val,mirror;
- saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
- saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
- mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
- if (yscale < 2048) {
- /* LPI */
- dprintk("yscale LPI yscale=%d\n",yscale);
- saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
- saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
- saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
- } else {
- /* ACM */
- val = 0x40 * 1024 / yscale;
- dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
- saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
- saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
- saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
- }
- saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
- }
- static void set_size(struct saa7134_dev *dev, int task,
- int width, int height, int interlace)
- {
- int prescale,xscale,yscale,y_even,y_odd;
- int h_start, h_stop, v_start, v_stop;
- int div = interlace ? 2 : 1;
- /* setup video scaler */
- h_start = dev->crop_current.left;
- v_start = dev->crop_current.top/2;
- h_stop = (dev->crop_current.left + dev->crop_current.width -1);
- v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
- saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
- saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
- saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
- saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
- saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
- saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
- saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
- saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
- prescale = dev->crop_current.width / width;
- if (0 == prescale)
- prescale = 1;
- xscale = 1024 * dev->crop_current.width / prescale / width;
- yscale = 512 * div * dev->crop_current.height / height;
- dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
- set_h_prescale(dev,task,prescale);
- saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
- saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
- set_v_scale(dev,task,yscale);
- saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
- saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
- saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
- saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
- /* deinterlace y offsets */
- y_odd = dev->ctl_y_odd;
- y_even = dev->ctl_y_even;
- saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
- saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
- saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
- saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
- }
- /* ------------------------------------------------------------------ */
- struct cliplist {
- __u16 position;
- __u8 enable;
- __u8 disable;
- };
- static void sort_cliplist(struct cliplist *cl, int entries)
- {
- struct cliplist swap;
- int i,j,n;
- for (i = entries-2; i >= 0; i--) {
- for (n = 0, j = 0; j <= i; j++) {
- if (cl[j].position > cl[j+1].position) {
- swap = cl[j];
- cl[j] = cl[j+1];
- cl[j+1] = swap;
- n++;
- }
- }
- if (0 == n)
- break;
- }
- }
- static void set_cliplist(struct saa7134_dev *dev, int reg,
- struct cliplist *cl, int entries, char *name)
- {
- __u8 winbits = 0;
- int i;
- for (i = 0; i < entries; i++) {
- winbits |= cl[i].enable;
- winbits &= ~cl[i].disable;
- if (i < 15 && cl[i].position == cl[i+1].position)
- continue;
- saa_writeb(reg + 0, winbits);
- saa_writeb(reg + 2, cl[i].position & 0xff);
- saa_writeb(reg + 3, cl[i].position >> 8);
- dprintk("clip: %s winbits=%02x pos=%d\n",
- name,winbits,cl[i].position);
- reg += 8;
- }
- for (; reg < 0x400; reg += 8) {
- saa_writeb(reg+ 0, 0);
- saa_writeb(reg + 1, 0);
- saa_writeb(reg + 2, 0);
- saa_writeb(reg + 3, 0);
- }
- }
- static int clip_range(int val)
- {
- if (val < 0)
- val = 0;
- return val;
- }
- static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
- int nclips, int interlace)
- {
- struct cliplist col[16], row[16];
- int cols, rows, i;
- int div = interlace ? 2 : 1;
- memset(col,0,sizeof(col)); cols = 0;
- memset(row,0,sizeof(row)); rows = 0;
- for (i = 0; i < nclips && i < 8; i++) {
- col[cols].position = clip_range(clips[i].c.left);
- col[cols].enable = (1 << i);
- cols++;
- col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
- col[cols].disable = (1 << i);
- cols++;
- row[rows].position = clip_range(clips[i].c.top / div);
- row[rows].enable = (1 << i);
- rows++;
- row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
- / div);
- row[rows].disable = (1 << i);
- rows++;
- }
- sort_cliplist(col,cols);
- sort_cliplist(row,rows);
- set_cliplist(dev,0x380,col,cols,"cols");
- set_cliplist(dev,0x384,row,rows,"rows");
- return 0;
- }
- static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
- {
- enum v4l2_field field;
- int maxw, maxh;
- if (NULL == dev->ovbuf.base)
- return -EINVAL;
- if (NULL == dev->ovfmt)
- return -EINVAL;
- if (win->w.width < 48 || win->w.height < 32)
- return -EINVAL;
- if (win->clipcount > 2048)
- return -EINVAL;
- field = win->field;
- maxw = dev->crop_current.width;
- maxh = dev->crop_current.height;
- if (V4L2_FIELD_ANY == field) {
- field = (win->w.height > maxh/2)
- ? V4L2_FIELD_INTERLACED
- : V4L2_FIELD_TOP;
- }
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- maxh = maxh / 2;
- break;
- case V4L2_FIELD_INTERLACED:
- break;
- default:
- return -EINVAL;
- }
- win->field = field;
- if (win->w.width > maxw)
- win->w.width = maxw;
- if (win->w.height > maxh)
- win->w.height = maxh;
- return 0;
- }
- static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
- {
- unsigned long base,control,bpl;
- int err;
- err = verify_preview(dev,&fh->win);
- if (0 != err)
- return err;
- dev->ovfield = fh->win.field;
- dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
- fh->win.w.width,fh->win.w.height,
- fh->win.w.left,fh->win.w.top,
- dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
- /* setup window + clipping */
- set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
- V4L2_FIELD_HAS_BOTH(dev->ovfield));
- setup_clipping(dev,fh->clips,fh->nclips,
- V4L2_FIELD_HAS_BOTH(dev->ovfield));
- if (dev->ovfmt->yuv)
- saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
- else
- saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
- saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
- /* dma: setup channel 1 (= Video Task B) */
- base = (unsigned long)dev->ovbuf.base;
- base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
- base += dev->ovfmt->depth/8 * fh->win.w.left;
- bpl = dev->ovbuf.fmt.bytesperline;
- control = SAA7134_RS_CONTROL_BURST_16;
- if (dev->ovfmt->bswap)
- control |= SAA7134_RS_CONTROL_BSWAP;
- if (dev->ovfmt->wswap)
- control |= SAA7134_RS_CONTROL_WSWAP;
- if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
- saa_writel(SAA7134_RS_BA1(1),base);
- saa_writel(SAA7134_RS_BA2(1),base+bpl);
- saa_writel(SAA7134_RS_PITCH(1),bpl*2);
- saa_writel(SAA7134_RS_CONTROL(1),control);
- } else {
- saa_writel(SAA7134_RS_BA1(1),base);
- saa_writel(SAA7134_RS_BA2(1),base);
- saa_writel(SAA7134_RS_PITCH(1),bpl);
- saa_writel(SAA7134_RS_CONTROL(1),control);
- }
- /* start dma */
- dev->ovenable = 1;
- saa7134_set_dmabits(dev);
- return 0;
- }
- static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
- {
- dev->ovenable = 0;
- saa7134_set_dmabits(dev);
- return 0;
- }
- /* ------------------------------------------------------------------ */
- static int buffer_activate(struct saa7134_dev *dev,
- struct saa7134_buf *buf,
- struct saa7134_buf *next)
- {
- unsigned long base,control,bpl;
- unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
- dprintk("buffer_activate buf=%p\n",buf);
- buf->vb.state = STATE_ACTIVE;
- buf->top_seen = 0;
- set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
- V4L2_FIELD_HAS_BOTH(buf->vb.field));
- if (buf->fmt->yuv)
- saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
- else
- saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
- saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
- /* DMA: setup channel 0 (= Video Task A0) */
- base = saa7134_buffer_base(buf);
- if (buf->fmt->planar)
- bpl = buf->vb.width;
- else
- bpl = (buf->vb.width * buf->fmt->depth) / 8;
- control = SAA7134_RS_CONTROL_BURST_16 |
- SAA7134_RS_CONTROL_ME |
- (buf->pt->dma >> 12);
- if (buf->fmt->bswap)
- control |= SAA7134_RS_CONTROL_BSWAP;
- if (buf->fmt->wswap)
- control |= SAA7134_RS_CONTROL_WSWAP;
- if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
- /* interlaced */
- saa_writel(SAA7134_RS_BA1(0),base);
- saa_writel(SAA7134_RS_BA2(0),base+bpl);
- saa_writel(SAA7134_RS_PITCH(0),bpl*2);
- } else {
- /* non-interlaced */
- saa_writel(SAA7134_RS_BA1(0),base);
- saa_writel(SAA7134_RS_BA2(0),base);
- saa_writel(SAA7134_RS_PITCH(0),bpl);
- }
- saa_writel(SAA7134_RS_CONTROL(0),control);
- if (buf->fmt->planar) {
- /* DMA: setup channel 4+5 (= planar task A) */
- bpl_uv = bpl >> buf->fmt->hshift;
- lines_uv = buf->vb.height >> buf->fmt->vshift;
- base2 = base + bpl * buf->vb.height;
- base3 = base2 + bpl_uv * lines_uv;
- if (buf->fmt->uvswap)
- tmp = base2, base2 = base3, base3 = tmp;
- dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
- bpl_uv,lines_uv,base2,base3);
- if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
- /* interlaced */
- saa_writel(SAA7134_RS_BA1(4),base2);
- saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
- saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
- saa_writel(SAA7134_RS_BA1(5),base3);
- saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
- saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
- } else {
- /* non-interlaced */
- saa_writel(SAA7134_RS_BA1(4),base2);
- saa_writel(SAA7134_RS_BA2(4),base2);
- saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
- saa_writel(SAA7134_RS_BA1(5),base3);
- saa_writel(SAA7134_RS_BA2(5),base3);
- saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
- }
- saa_writel(SAA7134_RS_CONTROL(4),control);
- saa_writel(SAA7134_RS_CONTROL(5),control);
- }
- /* start DMA */
- saa7134_set_dmabits(dev);
- mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
- return 0;
- }
- static int buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
- {
- struct saa7134_fh *fh = q->priv_data;
- struct saa7134_dev *dev = fh->dev;
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
- unsigned int size;
- int err;
- /* sanity checks */
- if (NULL == fh->fmt)
- return -EINVAL;
- if (fh->width < 48 ||
- fh->height < 32 ||
- fh->width/4 > dev->crop_current.width ||
- fh->height/4 > dev->crop_current.height ||
- fh->width > dev->crop_bounds.width ||
- fh->height > dev->crop_bounds.height)
- return -EINVAL;
- size = (fh->width * fh->height * fh->fmt->depth) >> 3;
- if (0 != buf->vb.baddr && buf->vb.bsize < size)
- return -EINVAL;
- dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
- vb->i,fh->width,fh->height,size,v4l2_field_names[field],
- fh->fmt->name);
- if (buf->vb.width != fh->width ||
- buf->vb.height != fh->height ||
- buf->vb.size != size ||
- buf->vb.field != field ||
- buf->fmt != fh->fmt) {
- saa7134_dma_free(q,buf);
- }
- if (STATE_NEEDS_INIT == buf->vb.state) {
- buf->vb.width = fh->width;
- buf->vb.height = fh->height;
- buf->vb.size = size;
- buf->vb.field = field;
- buf->fmt = fh->fmt;
- buf->pt = &fh->pt_cap;
- err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
- if (err)
- goto oops;
- err = saa7134_pgtable_build(dev->pci,buf->pt,
- buf->vb.dma.sglist,
- buf->vb.dma.sglen,
- saa7134_buffer_startpage(buf));
- if (err)
- goto oops;
- }
- buf->vb.state = STATE_PREPARED;
- buf->activate = buffer_activate;
- return 0;
- oops:
- saa7134_dma_free(q,buf);
- return err;
- }
- static int
- buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
- {
- struct saa7134_fh *fh = q->priv_data;
- *size = fh->fmt->depth * fh->width * fh->height >> 3;
- if (0 == *count)
- *count = gbuffers;
- *count = saa7134_buffer_count(*size,*count);
- return 0;
- }
- static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
- {
- struct saa7134_fh *fh = q->priv_data;
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
- saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
- }
- static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
- {
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
- saa7134_dma_free(q,buf);
- }
- static struct videobuf_queue_ops video_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
- };
- /* ------------------------------------------------------------------ */
- static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
- {
- const struct v4l2_queryctrl* ctrl;
- ctrl = ctrl_by_id(c->id);
- if (NULL == ctrl)
- return -EINVAL;
- switch (c->id) {
- case V4L2_CID_BRIGHTNESS:
- c->value = dev->ctl_bright;
- break;
- case V4L2_CID_HUE:
- c->value = dev->ctl_hue;
- break;
- case V4L2_CID_CONTRAST:
- c->value = dev->ctl_contrast;
- break;
- case V4L2_CID_SATURATION:
- c->value = dev->ctl_saturation;
- break;
- case V4L2_CID_AUDIO_MUTE:
- c->value = dev->ctl_mute;
- break;
- case V4L2_CID_AUDIO_VOLUME:
- c->value = dev->ctl_volume;
- break;
- case V4L2_CID_PRIVATE_INVERT:
- c->value = dev->ctl_invert;
- break;
- case V4L2_CID_HFLIP:
- c->value = dev->ctl_mirror;
- break;
- case V4L2_CID_PRIVATE_Y_EVEN:
- c->value = dev->ctl_y_even;
- break;
- case V4L2_CID_PRIVATE_Y_ODD:
- c->value = dev->ctl_y_odd;
- break;
- case V4L2_CID_PRIVATE_AUTOMUTE:
- c->value = dev->ctl_automute;
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
- struct v4l2_control *c)
- {
- const struct v4l2_queryctrl* ctrl;
- unsigned long flags;
- int restart_overlay = 0;
- ctrl = ctrl_by_id(c->id);
- if (NULL == ctrl)
- return -EINVAL;
- dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
- switch (ctrl->type) {
- case V4L2_CTRL_TYPE_BOOLEAN:
- case V4L2_CTRL_TYPE_MENU:
- case V4L2_CTRL_TYPE_INTEGER:
- if (c->value < ctrl->minimum)
- c->value = ctrl->minimum;
- if (c->value > ctrl->maximum)
- c->value = ctrl->maximum;
- break;
- default:
- /* nothing */;
- };
- switch (c->id) {
- case V4L2_CID_BRIGHTNESS:
- dev->ctl_bright = c->value;
- saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
- break;
- case V4L2_CID_HUE:
- dev->ctl_hue = c->value;
- saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
- break;
- case V4L2_CID_CONTRAST:
- dev->ctl_contrast = c->value;
- saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
- dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
- break;
- case V4L2_CID_SATURATION:
- dev->ctl_saturation = c->value;
- saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
- dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
- break;
- case V4L2_CID_AUDIO_MUTE:
- dev->ctl_mute = c->value;
- saa7134_tvaudio_setmute(dev);
- break;
- case V4L2_CID_AUDIO_VOLUME:
- dev->ctl_volume = c->value;
- saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
- break;
- case V4L2_CID_PRIVATE_INVERT:
- dev->ctl_invert = c->value;
- saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
- dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
- saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
- dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
- break;
- case V4L2_CID_HFLIP:
- dev->ctl_mirror = c->value;
- restart_overlay = 1;
- break;
- case V4L2_CID_PRIVATE_Y_EVEN:
- dev->ctl_y_even = c->value;
- restart_overlay = 1;
- break;
- case V4L2_CID_PRIVATE_Y_ODD:
- dev->ctl_y_odd = c->value;
- restart_overlay = 1;
- break;
- case V4L2_CID_PRIVATE_AUTOMUTE:
- dev->ctl_automute = c->value;
- if (dev->tda9887_conf) {
- if (dev->ctl_automute)
- dev->tda9887_conf |= TDA9887_AUTOMUTE;
- else
- dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
- saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
- &dev->tda9887_conf);
- }
- break;
- default:
- return -EINVAL;
- }
- if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev,fh);
- start_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- }
- return 0;
- }
- /* ------------------------------------------------------------------ */
- static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
- {
- struct videobuf_queue* q = NULL;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- q = &fh->cap;
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- q = &fh->vbi;
- break;
- default:
- BUG();
- }
- return q;
- }
- static int saa7134_resource(struct saa7134_fh *fh)
- {
- int res = 0;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- res = RESOURCE_VIDEO;
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- res = RESOURCE_VBI;
- break;
- default:
- BUG();
- }
- return res;
- }
- static int video_open(struct inode *inode, struct file *file)
- {
- int minor = iminor(inode);
- struct saa7134_dev *h,*dev = NULL;
- struct saa7134_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- int radio = 0;
- list_for_each(list,&saa7134_devlist) {
- h = list_entry(list, struct saa7134_dev, devlist);
- if (h->video_dev && (h->video_dev->minor == minor))
- dev = h;
- if (h->radio_dev && (h->radio_dev->minor == minor)) {
- radio = 1;
- dev = h;
- }
- if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- dev = h;
- }
- }
- if (NULL == dev)
- return -ENODEV;
- dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
- v4l2_type_names[type]);
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh),GFP_KERNEL);
- if (NULL == fh)
- return -ENOMEM;
- file->private_data = fh;
- fh->dev = dev;
- fh->radio = radio;
- fh->type = type;
- fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
- fh->width = 720;
- fh->height = 576;
- v4l2_prio_open(&dev->prio,&fh->prio);
- videobuf_queue_init(&fh->cap, &video_qops,
- dev->pci, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct saa7134_buf),
- fh);
- videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
- dev->pci, &dev->slock,
- V4L2_BUF_TYPE_VBI_CAPTURE,
- V4L2_FIELD_SEQ_TB,
- sizeof(struct saa7134_buf),
- fh);
- saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
- saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
- if (fh->radio) {
- /* switch to radio mode */
- saa7134_tvaudio_setinput(dev,&card(dev).radio);
- saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
- } else {
- /* switch to video/vbi mode */
- video_mux(dev,dev->ctl_input);
- }
- return 0;
- }
- static ssize_t
- video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
- {
- struct saa7134_fh *fh = file->private_data;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (res_locked(fh->dev,RESOURCE_VIDEO))
- return -EBUSY;
- return videobuf_read_one(saa7134_queue(fh),
- data, count, ppos,
- file->f_flags & O_NONBLOCK);
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (!res_get(fh->dev,fh,RESOURCE_VBI))
- return -EBUSY;
- return videobuf_read_stream(saa7134_queue(fh),
- data, count, ppos, 1,
- file->f_flags & O_NONBLOCK);
- break;
- default:
- BUG();
- return 0;
- }
- }
- static unsigned int
- video_poll(struct file *file, struct poll_table_struct *wait)
- {
- struct saa7134_fh *fh = file->private_data;
- struct videobuf_buffer *buf = NULL;
- if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
- return videobuf_poll_stream(file, &fh->vbi, wait);
- if (res_check(fh,RESOURCE_VIDEO)) {
- if (!list_empty(&fh->cap.stream))
- buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
- } else {
- mutex_lock(&fh->cap.lock);
- if (UNSET == fh->cap.read_off) {
- /* need to capture a new frame */
- if (res_locked(fh->dev,RESOURCE_VIDEO)) {
- mutex_unlock(&fh->cap.lock);
- return POLLERR;
- }
- if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
- mutex_unlock(&fh->cap.lock);
- return POLLERR;
- }
- fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
- fh->cap.read_off = 0;
- }
- mutex_unlock(&fh->cap.lock);
- buf = fh->cap.read_buf;
- }
- if (!buf)
- return POLLERR;
- poll_wait(file, &buf->done, wait);
- if (buf->state == STATE_DONE ||
- buf->state == STATE_ERROR)
- return POLLIN|POLLRDNORM;
- return 0;
- }
- static int video_release(struct inode *inode, struct file *file)
- {
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
- unsigned long flags;
- /* turn off overlay */
- if (res_check(fh, RESOURCE_OVERLAY)) {
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- res_free(dev,fh,RESOURCE_OVERLAY);
- }
- /* stop video capture */
- if (res_check(fh, RESOURCE_VIDEO)) {
- videobuf_streamoff(&fh->cap);
- res_free(dev,fh,RESOURCE_VIDEO);
- }
- if (fh->cap.read_buf) {
- buffer_release(&fh->cap,fh->cap.read_buf);
- kfree(fh->cap.read_buf);
- }
- /* stop vbi capture */
- if (res_check(fh, RESOURCE_VBI)) {
- if (fh->vbi.streaming)
- videobuf_streamoff(&fh->vbi);
- if (fh->vbi.reading)
- videobuf_read_stop(&fh->vbi);
- res_free(dev,fh,RESOURCE_VBI);
- }
- /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
- saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
- saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
- saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
- saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
- saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
- /* free stuff */
- videobuf_mmap_free(&fh->cap);
- videobuf_mmap_free(&fh->vbi);
- saa7134_pgtable_free(dev->pci,&fh->pt_cap);
- saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
- v4l2_prio_close(&dev->prio,&fh->prio);
- file->private_data = NULL;
- kfree(fh);
- return 0;
- }
- static int
- video_mmap(struct file *file, struct vm_area_struct * vma)
- {
- struct saa7134_fh *fh = file->private_data;
- return videobuf_mmap_mapper(saa7134_queue(fh), vma);
- }
- /* ------------------------------------------------------------------ */
- static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
- {
- struct saa7134_tvnorm *norm = dev->tvnorm;
- f->fmt.vbi.sampling_rate = 6750000 * 4;
- f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
- f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
- f->fmt.vbi.offset = 64 * 4;
- f->fmt.vbi.start[0] = norm->vbi_v_start_0;
- f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
- f->fmt.vbi.start[1] = norm->vbi_v_start_1;
- f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
- f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
- }
- static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
- struct v4l2_format *f)
- {
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
- f->fmt.pix.field = fh->cap.field;
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fh->fmt->depth) >> 3;
- f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
- return 0;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (saa7134_no_overlay > 0) {
- printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- f->fmt.win = fh->win;
- return 0;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- saa7134_vbi_fmt(dev,f);
- return 0;
- default:
- return -EINVAL;
- }
- }
- static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
- struct v4l2_format *f)
- {
- int err;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- {
- struct saa7134_format *fmt;
- enum v4l2_field field;
- unsigned int maxw, maxh;
- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- if (NULL == fmt)
- return -EINVAL;
- field = f->fmt.pix.field;
- maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
- maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
- if (V4L2_FIELD_ANY == field) {
- field = (f->fmt.pix.height > maxh/2)
- ? V4L2_FIELD_INTERLACED
- : V4L2_FIELD_BOTTOM;
- }
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- maxh = maxh / 2;
- break;
- case V4L2_FIELD_INTERLACED:
- break;
- default:
- return -EINVAL;
- }
- f->fmt.pix.field = field;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.height < 32)
- f->fmt.pix.height = 32;
- if (f->fmt.pix.width > maxw)
- f->fmt.pix.width = maxw;
- if (f->fmt.pix.height > maxh)
- f->fmt.pix.height = maxh;
- f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fmt->depth) >> 3;
- f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
- return 0;
- }
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (saa7134_no_overlay > 0) {
- printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- err = verify_preview(dev,&f->fmt.win);
- if (0 != err)
- return err;
- return 0;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- saa7134_vbi_fmt(dev,f);
- return 0;
- default:
- return -EINVAL;
- }
- }
- static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
- struct v4l2_format *f)
- {
- unsigned long flags;
- int err;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- err = saa7134_try_fmt(dev,fh,f);
- if (0 != err)
- return err;
- fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- fh->width = f->fmt.pix.width;
- fh->height = f->fmt.pix.height;
- fh->cap.field = f->fmt.pix.field;
- return 0;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (saa7134_no_overlay > 0) {
- printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- err = verify_preview(dev,&f->fmt.win);
- if (0 != err)
- return err;
- mutex_lock(&dev->lock);
- fh->win = f->fmt.win;
- fh->nclips = f->fmt.win.clipcount;
- if (fh->nclips > 8)
- fh->nclips = 8;
- if (copy_from_user(fh->clips,f->fmt.win.clips,
- sizeof(struct v4l2_clip)*fh->nclips)) {
- mutex_unlock(&dev->lock);
- return -EFAULT;
- }
- if (res_check(fh, RESOURCE_OVERLAY)) {
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev,fh);
- start_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- }
- mutex_unlock(&dev->lock);
- return 0;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- saa7134_vbi_fmt(dev,f);
- return 0;
- default:
- return -EINVAL;
- }
- }
- int saa7134_common_ioctl(struct saa7134_dev *dev,
- unsigned int cmd, void *arg)
- {
- int err;
- switch (cmd) {
- case VIDIOC_QUERYCTRL:
- {
- const struct v4l2_queryctrl *ctrl;
- struct v4l2_queryctrl *c = arg;
- if ((c->id < V4L2_CID_BASE ||
- c->id >= V4L2_CID_LASTP1) &&
- (c->id < V4L2_CID_PRIVATE_BASE ||
- c->id >= V4L2_CID_PRIVATE_LASTP1))
- return -EINVAL;
- ctrl = ctrl_by_id(c->id);
- *c = (NULL != ctrl) ? *ctrl : no_ctrl;
- return 0;
- }
- case VIDIOC_G_CTRL:
- return get_control(dev,arg);
- case VIDIOC_S_CTRL:
- {
- mutex_lock(&dev->lock);
- err = set_control(dev,NULL,arg);
- mutex_unlock(&dev->lock);
- return err;
- }
- /* --- input switching --------------------------------------- */
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- unsigned int n;
- n = i->index;
- if (n >= SAA7134_INPUT_MAX)
- return -EINVAL;
- if (NULL == card_in(dev,i->index).name)
- return -EINVAL;
- memset(i,0,sizeof(*i));
- i->index = n;
- i->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(i->name,card_in(dev,n).name);
- if (card_in(dev,n).tv)
- i->type = V4L2_INPUT_TYPE_TUNER;
- i->audioset = 1;
- if (n == dev->ctl_input) {
- int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
- int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
- if (0 != (v1 & 0x40))
- i->status |= V4L2_IN_ST_NO_H_LOCK;
- if (0 != (v2 & 0x40))
- i->status |= V4L2_IN_ST_NO_SYNC;
- if (0 != (v2 & 0x0e))
- i->status |= V4L2_IN_ST_MACROVISION;
- }
- for (n = 0; n < TVNORMS; n++)
- i->std |= tvnorms[n].id;
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *i = arg;
- *i = dev->ctl_input;
- return 0;
- }
- case VIDIOC_S_INPUT:
- {
- int *i = arg;
- if (*i < 0 || *i >= SAA7134_INPUT_MAX)
- return -EINVAL;
- if (NULL == card_in(dev,*i).name)
- return -EINVAL;
- mutex_lock(&dev->lock);
- video_mux(dev,*i);
- mutex_unlock(&dev->lock);
- return 0;
- }
- }
- return 0;
- }
- EXPORT_SYMBOL(saa7134_common_ioctl);
- /*
- * This function is _not_ called directly, but from
- * video_generic_ioctl (and maybe others). userspace
- * copying is done already, arg is a kernel pointer.
- */
- static int video_do_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg)
- {
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
- unsigned long flags;
- int err;
- if (video_debug > 1)
- v4l_print_ioctl(dev->name,cmd);
- switch (cmd) {
- case VIDIOC_S_CTRL:
- case VIDIOC_S_STD:
- case VIDIOC_S_INPUT:
- case VIDIOC_S_TUNER:
- case VIDIOC_S_FREQUENCY:
- err = v4l2_prio_check(&dev->prio,&fh->prio);
- if (0 != err)
- return err;
- }
- switch (cmd) {
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = arg;
- unsigned int tuner_type = dev->tuner_type;
- memset(cap,0,sizeof(*cap));
- strcpy(cap->driver, "saa7134");
- strlcpy(cap->card, saa7134_boards[dev->board].name,
- sizeof(cap->card));
- sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
- cap->version = SAA7134_VERSION_CODE;
- cap->capabilities =
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_VBI_CAPTURE |
- V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING |
- V4L2_CAP_TUNER;
- if (saa7134_no_overlay <= 0) {
- cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
- }
- if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
- cap->capabilities &= ~V4L2_CAP_TUNER;
- return 0;
- }
- /* --- tv standards ------------------------------------------ */
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *e = arg;
- unsigned int i;
- i = e->index;
- if (i >= TVNORMS)
- return -EINVAL;
- err = v4l2_video_std_construct(e, tvnorms[e->index].id,
- tvnorms[e->index].name);
- e->index = i;
- if (err < 0)
- return err;
- return 0;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
- *id = dev->tvnorm->id;
- return 0;
- }
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
- unsigned int i;
- v4l2_std_id fixup;
- for (i = 0; i < TVNORMS; i++)
- if (*id == tvnorms[i].id)
- break;
- if (i == TVNORMS)
- for (i = 0; i < TVNORMS; i++)
- if (*id & tvnorms[i].id)
- break;
- if (i == TVNORMS)
- return -EINVAL;
- if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
- if (secam[0] == 'L' || secam[0] == 'l') {
- if (secam[1] == 'C' || secam[1] == 'c')
- fixup = V4L2_STD_SECAM_LC;
- else
- fixup = V4L2_STD_SECAM_L;
- } else {
- if (secam[0] == 'D' || secam[0] == 'd')
- fixup = V4L2_STD_SECAM_DK;
- else
- fixup = V4L2_STD_SECAM;
- }
- for (i = 0; i < TVNORMS; i++)
- if (fixup == tvnorms[i].id)
- break;
- }
- mutex_lock(&dev->lock);
- if (res_check(fh, RESOURCE_OVERLAY)) {
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev,fh);
- set_tvnorm(dev,&tvnorms[i]);
- start_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- } else
- set_tvnorm(dev,&tvnorms[i]);
- saa7134_tvaudio_do_scan(dev);
- mutex_unlock(&dev->lock);
- return 0;
- }
- case VIDIOC_CROPCAP:
- {
- struct v4l2_cropcap *cap = arg;
- if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
- return -EINVAL;
- cap->bounds = dev->crop_bounds;
- cap->defrect = dev->crop_defrect;
- cap->pixelaspect.numerator = 1;
- cap->pixelaspect.denominator = 1;
- if (dev->tvnorm->id & V4L2_STD_525_60) {
- cap->pixelaspect.numerator = 11;
- cap->pixelaspect.denominator = 10;
- }
- if (dev->tvnorm->id & V4L2_STD_625_50) {
- cap->pixelaspect.numerator = 54;
- cap->pixelaspect.denominator = 59;
- }
- return 0;
- }
- case VIDIOC_G_CROP:
- {
- struct v4l2_crop * crop = arg;
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
- return -EINVAL;
- crop->c = dev->crop_current;
- return 0;
- }
- case VIDIOC_S_CROP:
- {
- struct v4l2_crop *crop = arg;
- struct v4l2_rect *b = &dev->crop_bounds;
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
- return -EINVAL;
- if (crop->c.height < 0)
- return -EINVAL;
- if (crop->c.width < 0)
- return -EINVAL;
- if (res_locked(fh->dev,RESOURCE_OVERLAY))
- return -EBUSY;
- if (res_locked(fh->dev,RESOURCE_VIDEO))
- return -EBUSY;
- if (crop->c.top < b->top)
- crop->c.top = b->top;
- if (crop->c.top > b->top + b->height)
- crop->c.top = b->top + b->height;
- if (crop->c.height > b->top - crop->c.top + b->height)
- crop->c.height = b->top - crop->c.top + b->height;
- if (crop->c.left < b->left)
- crop->c.left = b->left;
- if (crop->c.left > b->left + b->width)
- crop->c.left = b->left + b->width;
- if (crop->c.width > b->left - crop->c.left + b->width)
- crop->c.width = b->left - crop->c.left + b->width;
- dev->crop_current = crop->c;
- return 0;
- }
- /* --- tuner ioctls ------------------------------------------ */
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *t = arg;
- int n;
- if (0 != t->index)
- return -EINVAL;
- memset(t,0,sizeof(*t));
- for (n = 0; n < SAA7134_INPUT_MAX; n++)
- if (card_in(dev,n).tv)
- break;
- if (NULL != card_in(dev,n).name) {
- strcpy(t->name, "Television");
- t->type = V4L2_TUNER_ANALOG_TV;
- t->capability = V4L2_TUNER_CAP_NORM |
- V4L2_TUNER_CAP_STEREO |
- V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2;
- t->rangehigh = 0xffffffffUL;
- t->rxsubchans = saa7134_tvaudio_getstereo(dev);
- t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
- }
- if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
- t->signal = 0xffff;
- return 0;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *t = arg;
- int rx,mode;
- mode = dev->thread.mode;
- if (UNSET == mode) {
- rx = saa7134_tvaudio_getstereo(dev);
- mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
- }
- if (mode != t->audmode) {
- dev->thread.mode = t->audmode;
- }
- return 0;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
- memset(f,0,sizeof(*f));
- f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- f->frequency = dev->ctl_freq;
- return 0;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
- if (0 != f->tuner)
- return -EINVAL;
- if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
- return -EINVAL;
- if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
- return -EINVAL;
- mutex_lock(&dev->lock);
- dev->ctl_freq = f->frequency;
- saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
- saa7134_tvaudio_do_scan(dev);
- mutex_unlock(&dev->lock);
- return 0;
- }
- /* --- control ioctls ---------------------------------------- */
- case VIDIOC_ENUMINPUT:
- case VIDIOC_G_INPUT:
- case VIDIOC_S_INPUT:
- case VIDIOC_QUERYCTRL:
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
- return saa7134_common_ioctl(dev, cmd, arg);
- case VIDIOC_G_AUDIO:
- {
- struct v4l2_audio *a = arg;
- memset(a,0,sizeof(*a));
- strcpy(a->name,"audio");
- return 0;
- }
- case VIDIOC_S_AUDIO:
- return 0;
- case VIDIOC_G_PARM:
- {
- struct v4l2_captureparm *parm = arg;
- memset(parm,0,sizeof(*parm));
- return 0;
- }
- case VIDIOC_G_PRIORITY:
- {
- enum v4l2_priority *p = arg;
- *p = v4l2_prio_max(&dev->prio);
- return 0;
- }
- case VIDIOC_S_PRIORITY:
- {
- enum v4l2_priority *prio = arg;
- return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
- }
- /* --- preview ioctls ---------------------------------------- */
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *f = arg;
- enum v4l2_buf_type type;
- unsigned int index;
- index = f->index;
- type = f->type;
- switch (type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (saa7134_no_overlay > 0) {
- printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- if (index >= FORMATS)
- return -EINVAL;
- if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
- formats[index].planar)
- return -EINVAL;
- memset(f,0,sizeof(*f));
- f->index = index;
- f->type = type;
- strlcpy(f->description,formats[index].name,sizeof(f->description));
- f->pixelformat = formats[index].fourcc;
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (0 != index)
- return -EINVAL;
- memset(f,0,sizeof(*f));
- f->index = index;
- f->type = type;
- f->pixelformat = V4L2_PIX_FMT_GREY;
- strcpy(f->description,"vbi data");
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- case VIDIOC_G_FBUF:
- {
- struct v4l2_framebuffer *fb = arg;
- *fb = dev->ovbuf;
- fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
- return 0;
- }
- case VIDIOC_S_FBUF:
- {
- struct v4l2_framebuffer *fb = arg;
- struct saa7134_format *fmt;
- if(!capable(CAP_SYS_ADMIN) &&
- !capable(CAP_SYS_RAWIO))
- return -EPERM;
- /* check args */
- fmt = format_by_fourcc(fb->fmt.pixelformat);
- if (NULL == fmt)
- return -EINVAL;
- /* ok, accept it */
- dev->ovbuf = *fb;
- dev->ovfmt = fmt;
- if (0 == dev->ovbuf.fmt.bytesperline)
- dev->ovbuf.fmt.bytesperline =
- dev->ovbuf.fmt.width*fmt->depth/8;
- return 0;
- }
- case VIDIOC_OVERLAY:
- {
- int *on = arg;
- if (*on) {
- if (saa7134_no_overlay > 0) {
- printk ("no_overlay\n");
- return -EINVAL;
- }
- if (!res_get(dev,fh,RESOURCE_OVERLAY))
- return -EBUSY;
- spin_lock_irqsave(&dev->slock,flags);
- start_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- }
- if (!*on) {
- if (!res_check(fh, RESOURCE_OVERLAY))
- return -EINVAL;
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev,fh);
- spin_unlock_irqrestore(&dev->slock,flags);
- res_free(dev,fh,RESOURCE_OVERLAY);
- }
- return 0;
- }
- /* --- capture ioctls ---------------------------------------- */
- case VIDIOC_G_FMT:
- {
- struct v4l2_format *f = arg;
- return saa7134_g_fmt(dev,fh,f);
- }
- case VIDIOC_S_FMT:
- {
- struct v4l2_format *f = arg;
- return saa7134_s_fmt(dev,fh,f);
- }
- case VIDIOC_TRY_FMT:
- {
- struct v4l2_format *f = arg;
- return saa7134_try_fmt(dev,fh,f);
- }
- #ifdef CONFIG_VIDEO_V4L1_COMPAT
- case VIDIOCGMBUF:
- {
- struct video_mbuf *mbuf = arg;
- struct videobuf_queue *q;
- struct v4l2_requestbuffers req;
- unsigned int i;
- q = saa7134_queue(fh);
- memset(&req,0,sizeof(req));
- req.type = q->type;
- req.count = gbuffers;
- req.memory = V4L2_MEMORY_MMAP;
- err = videobuf_reqbufs(q,&req);
- if (err < 0)
- return err;
- memset(mbuf,0,sizeof(*mbuf));
- mbuf->frames = req.count;
- mbuf->size = 0;
- for (i = 0; i < mbuf->frames; i++) {
- mbuf->offsets[i] = q->bufs[i]->boff;
- mbuf->size += q->bufs[i]->bsize;
- }
- return 0;
- }
- #endif
- case VIDIOC_REQBUFS:
- return videobuf_reqbufs(saa7134_queue(fh),arg);
- case VIDIOC_QUERYBUF:
- return videobuf_querybuf(saa7134_queue(fh),arg);
- case VIDIOC_QBUF:
- return videobuf_qbuf(saa7134_queue(fh),arg);
- case VIDIOC_DQBUF:
- return videobuf_dqbuf(saa7134_queue(fh),arg,
- file->f_flags & O_NONBLOCK);
- case VIDIOC_STREAMON:
- {
- int res = saa7134_resource(fh);
- if (!res_get(dev,fh,res))
- return -EBUSY;
- return videobuf_streamon(saa7134_queue(fh));
- }
- case VIDIOC_STREAMOFF:
- {
- int res = saa7134_resource(fh);
- err = videobuf_streamoff(saa7134_queue(fh));
- if (err < 0)
- return err;
- res_free(dev,fh,res);
- return 0;
- }
- default:
- return v4l_compat_translate_ioctl(inode,file,cmd,arg,
- video_do_ioctl);
- }
- return 0;
- }
- static int video_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
- {
- return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
- }
- static int radio_do_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg)
- {
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
- if (video_debug > 1)
- v4l_print_ioctl(dev->name,cmd);
- switch (cmd) {
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = arg;
- memset(cap,0,sizeof(*cap));
- strcpy(cap->driver, "saa7134");
- strlcpy(cap->card, saa7134_boards[dev->board].name,
- sizeof(cap->card));
- sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
- cap->version = SAA7134_VERSION_CODE;
- cap->capabilities = V4L2_CAP_TUNER;
- return 0;
- }
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *t = arg;
- if (0 != t->index)
- return -EINVAL;
- memset(t,0,sizeof(*t));
- strcpy(t->name, "Radio");
- t->type = V4L2_TUNER_RADIO;
- saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
- if (dev->input->amux == TV) {
- t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
- t->rxsubchans = (saa_readb(0x529) & 0x08) ?
- V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
- }
- return 0;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *t = arg;
- if (0 != t->index)
- return -EINVAL;
- saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
- return 0;
- }
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- if (i->index != 0)
- return -EINVAL;
- strcpy(i->name,"Radio");
- i->type = V4L2_INPUT_TYPE_TUNER;
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *i = arg;
- *i = 0;
- return 0;
- }
- case VIDIOC_G_AUDIO:
- {
- struct v4l2_audio *a = arg;
- memset(a,0,sizeof(*a));
- strcpy(a->name,"Radio");
- return 0;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
- *id = 0;
- return 0;
- }
- case VIDIOC_S_AUDIO:
- case VIDIOC_S_INPUT:
- case VIDIOC_S_STD:
- return 0;
- case VIDIOC_QUERYCTRL:
- {
- const struct v4l2_queryctrl *ctrl;
- struct v4l2_queryctrl *c = arg;
- if (c->id < V4L2_CID_BASE ||
- c->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- if (c->id == V4L2_CID_AUDIO_MUTE) {
- ctrl = ctrl_by_id(c->id);
- *c = *ctrl;
- } else
- *c = no_ctrl;
- return 0;
- }
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
- case VIDIOC_G_FREQUENCY:
- case VIDIOC_S_FREQUENCY:
- return video_do_ioctl(inode,file,cmd,arg);
- default:
- return v4l_compat_translate_ioctl(inode,file,cmd,arg,
- radio_do_ioctl);
- }
- return 0;
- }
- static int radio_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
- {
- return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
- }
- static struct file_operations video_fops =
- {
- .owner = THIS_MODULE,
- .open = video_open,
- .release = video_release,
- .read = video_read,
- .poll = video_poll,
- .mmap = video_mmap,
- .ioctl = video_ioctl,
- .compat_ioctl = v4l_compat_ioctl32,
- .llseek = no_llseek,
- };
- static struct file_operations radio_fops =
- {
- .owner = THIS_MODULE,
- .open = video_open,
- .release = video_release,
- .ioctl = radio_ioctl,
- .compat_ioctl = v4l_compat_ioctl32,
- .llseek = no_llseek,
- };
- /* ----------------------------------------------------------- */
- /* exported stuff */
- struct video_device saa7134_video_template =
- {
- .name = "saa7134-video",
- .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
- VID_TYPE_CLIPPING|VID_TYPE_SCALES,
- .hardware = 0,
- .fops = &video_fops,
- .minor = -1,
- };
- struct video_device saa7134_vbi_template =
- {
- .name = "saa7134-vbi",
- .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
- .hardware = 0,
- .fops = &video_fops,
- .minor = -1,
- };
- struct video_device saa7134_radio_template =
- {
- .name = "saa7134-radio",
- .type = VID_TYPE_TUNER,
- .hardware = 0,
- .fops = &radio_fops,
- .minor = -1,
- };
- int saa7134_video_init1(struct saa7134_dev *dev)
- {
- /* sanitycheck insmod options */
- if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
- gbuffers = 2;
- if (gbufsize < 0 || gbufsize > gbufsize_max)
- gbufsize = gbufsize_max;
- gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
- /* put some sensible defaults into the data structures ... */
- dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
- dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
- dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
- dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
- dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
- dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
- dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
- dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
- if (dev->tda9887_conf && dev->ctl_automute)
- dev->tda9887_conf |= TDA9887_AUTOMUTE;
- dev->automute = 0;
- INIT_LIST_HEAD(&dev->video_q.queue);
- init_timer(&dev->video_q.timeout);
- dev->video_q.timeout.function = saa7134_buffer_timeout;
- dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
- dev->video_q.dev = dev;
- if (saa7134_boards[dev->board].video_out) {
- /* enable video output */
- int vo = saa7134_boards[dev->board].video_out;
- int video_reg;
- unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
- saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
- video_reg = video_out[vo][1];
- if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
- video_reg &= ~VP_T_CODE_P_INVERTED;
- saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
- saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
- saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
- saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
- video_reg = video_out[vo][5];
- if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
- video_reg &= ~VP_CLK_CTRL2_DELAYED;
- if (vid_port_opts & SET_CLOCK_INVERTED)
- video_reg |= VP_CLK_CTRL1_INVERTED;
- saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
- video_reg = video_out[vo][6];
- if (vid_port_opts & SET_VSYNC_OFF) {
- video_reg &= ~VP_VS_TYPE_MASK;
- video_reg |= VP_VS_TYPE_OFF;
- }
- saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
- saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
- saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
- }
- return 0;
- }
- int saa7134_video_init2(struct saa7134_dev *dev)
- {
- /* init video hw */
- set_tvnorm(dev,&tvnorms[0]);
- video_mux(dev,0);
- saa7134_tvaudio_setmute(dev);
- saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
- return 0;
- }
- int saa7134_video_fini(struct saa7134_dev *dev)
- {
- /* nothing */
- return 0;
- }
- void saa7134_irq_video_intl(struct saa7134_dev *dev)
- {
- static const char *st[] = {
- "(no signal)", "NTSC", "PAL", "SECAM" };
- u32 st1,st2;
- st1 = saa_readb(SAA7134_STATUS_VIDEO1);
- st2 = saa_readb(SAA7134_STATUS_VIDEO2);
- dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
- (st1 & 0x40) ? "not locked" : "locked",
- (st2 & 0x40) ? "no" : "yes",
- st[st1 & 0x03]);
- dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
- if (dev->nosignal) {
- /* no video signal -> mute audio */
- if (dev->ctl_automute)
- dev->automute = 1;
- saa7134_tvaudio_setmute(dev);
- saa_setb(SAA7134_SYNC_CTRL, 0x20);
- } else {
- /* wake up tvaudio audio carrier scan thread */
- saa7134_tvaudio_do_scan(dev);
- if (!noninterlaced)
- saa_clearb(SAA7134_SYNC_CTRL, 0x20);
- }
- if (dev->mops && dev->mops->signal_change)
- dev->mops->signal_change(dev);
- }
- void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
- {
- enum v4l2_field field;
- spin_lock(&dev->slock);
- if (dev->video_q.curr) {
- dev->video_fieldcount++;
- field = dev->video_q.curr->vb.field;
- if (V4L2_FIELD_HAS_BOTH(field)) {
- /* make sure we have seen both fields */
- if ((status & 0x10) == 0x00) {
- dev->video_q.curr->top_seen = 1;
- goto done;
- }
- if (!dev->video_q.curr->top_seen)
- goto done;
- } else if (field == V4L2_FIELD_TOP) {
- if ((status & 0x10) != 0x10)
- goto done;
- } else if (field == V4L2_FIELD_BOTTOM) {
- if ((status & 0x10) != 0x00)
- goto done;
- }
- dev->video_q.curr->vb.field_count = dev->video_fieldcount;
- saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
- }
- saa7134_buffer_next(dev,&dev->video_q);
- done:
- spin_unlock(&dev->slock);
- }
- /* ----------------------------------------------------------- */
- /*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
|