OMAP3530摄像头驱动分析钟志敏

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1、OMAP3530ᨘڣ༈偅ࡼߚᵤढ⏙䖰㾕⏅ഇЁᖗ1001ᳳᄺਬ䩳ᖫᬣ2010-5-10----------------------------------------------------------------------------------------------------------------------⠜ᴗໄᯢ˖ҹϟ᭛ゴᰃढ⏙䖰㾕⏅ഇ෍䆁Ёᖗᄺਬ೼ᄺдᳳ䯈ⱘ݈䍷ϧ乬᭛ゴˈ⠜ᴗሲᄺਬϾҎShenzhenFarsightInc.੠ढ⏙䖰㾕⏅ഇ෍䆁Ёᖗ݅ৠ᠔᳝ˈ⃶䖢䕀䕑ˈԚ䕀䕑乏⬭ढ⏙䖰㾕⏅ഇ෍䆁Ёᖗ੠ᄺ

2、ਬϾҎᙃ----------------------------------------------------------------------------------------------------------------------Փ⫼ҔМᘏ㒓:њ㾷omap3530cameraՓ⫼ⱘᰃҔМᘏ㒓䖲᥹cpuⱘDŽህڣҢᆊ䞠Ϟᄺϔḋˈcpu᥻ࠊcamera偅ࡼг᳝ҪӀⱘ㒓䏃DŽབϟ೒2䖭ḋϔᴹৃҹ⏙ἮഄⳟࠄcameraՓ⫼ⱘᰃICᘏ㒓ˈᑊϨᰃ8bitsӴ䗕ⱘDŽॳ⧚೒:ThecameraISPisakeycompo

3、nentforimagingandvideoapplicationssuchasvideopreview,videorecord,andstill-imagecapturewithorwithoutdigitalzooming.ThecameraISPprovidesthesysteminterfaceandtheprocessingcapabilitytoconnectRAWimage-sensormodulestotheOMAP35xApplicationsProcessorShenzhenFarsightIn

4、c.ShenzhenFarsightInc.ৃҹⳟߎˈcameraⱘcmosⱘㅵ㛮ᰃᗢМ䖲᥹ࠄomap3530cpuϞⱘˈᑊϨ᳝ાѯᆘᄬ఼ৃҹ᥻ࠊ੠ᬍⱘDŽ偅ࡼⱘ῵ഫࡴ䕑Ḛᶊ໻ὖབϟ೒˖Module.hlinux-2.6.29-rc3_omap3530includeLinux῵ഫ㒧ᵘԧࡴ䕑˖structmodule佪ܜ䅶ゟϔϾmoduleⱘ㒧ᵘԧ{enummodule_statestate;/*Memberoflistofmodules*/structlist_headlist;῵ഫ䯳߫߫㸼/*Uniquehan

5、dleforthismodule*/charname[MODULE_NAME_LEN];/*Sysfsstuff.*/㋏㒳䯳߫structmodule_kobjectmkobj;structmodule_attribute*modinfo_attrs;constchar*version;constchar*srcversion;structkobject*holders_dir;/*Exportedsymbols*/䕧ߎᷛ䆚conststructkernel_symbol*syms;constunsignedlon

6、g*crcs;ShenzhenFarsightInc.unsignedintnum_syms;/*GPL-onlyexportedsymbols.*/GPL䕧ߎᷛ䆚unsignedintnum_gpl_syms;conststructkernel_symbol*gpl_syms;constunsignedlong*gpl_crcs;#ifdefCONFIG_UNUSED_SYMBOLS/*unusedexportedsymbols.*/conststructkernel_symbol*unused_syms;con

7、stunsignedlong*unused_crcs;unsignedintnum_unused_syms;/*GPL-only,unusedexportedsymbols.*/unsignedintnum_unused_gpl_syms;conststructkernel_symbol*unused_gpl_syms;constunsignedlong*unused_gpl_crcs;#endif/*symbolsthatwillbeGPL-onlyinthenearfuture.*/conststructker

8、nel_symbol*gpl_future_syms;constunsignedlong*gpl_future_crcs;unsignedintnum_gpl_future_syms;/*Exceptiontable*/unsignedintnum_exentries;structexception_table_entry*extable;/*Startup