详解himpp mipi使用指南

本文档本指南）小节，HIMIPISETDEVATTRAPIHIMIPIRESETSENSOR、HIMIPIUNRESETSENSOR、HIMIPIRESETMIPIHIMIPIUNRESETMIPICOMBODEV、HIMIPIIOCMAGIC、phycmvephycmvt前 HiMPPMIPI使用指 概 1 1 3 3 FAQ................................................................ MIPI频率说明 Sensor复

MIPIRx通过低电压差分信号接收原始视频数据，将接收到的串行差分信号（serialdifferentialsignal）DC（DigitalCamera）时序后传递给下一级模块ViCAPSignalSpeedSerialPixelInterface）等串行视频信号输入，同时兼容DC视频接口。MIPIMobileIndustyProcessorInterface(移动行业处理器接口)，本文描述MIPID-PHYCSI-2的通信接口。隐区。LVDS有两种同步方式：方式如图1-1所示。SAV(valid)EAV(valid)表示有效像素数据的开始和结束。sensor可能会有不同的同步码，所以需要根据sensor配置同步码。同步方式如图1-2所示。DOL的全称是DigitalOverlapSONYWDRMIPIRx是一个支持多种差分视频输入接口的采集单元，通过combo-PHY接收以上输入管脚可复用为单端DC/BT1120通道输入，从而可以用更少的芯片管脚提供更APIHIMIPISETDEVATTRMIPIHIMIPISETPHYCMVMODEHIMIPISETCROPMIPICROPHIMIPIRESETSENSORsensorHIMIPIUNRESETSENSORsensorHIMIPIRESETMIPIMIPIRxHIMIPIUNRESETMIPIMIPIRx#define _IOW(HI_MIPI_IOC_MAGIC,combodevattrt0 头文件：hi除了配置HIMIPISETDEVATTRsensor：HIMIPIRESETsensor：HIMIPIUNRESETMIPIRx：HIMIPIRESETMIPIRx：HIMIPIUNRESETHIMIPIRESETHIMIPIUNRESETSENSORHIMIPIRESETMIPIHIMIPIUNRESET#define _IOW(HI_MIPI_IOC_MAGIC,phycmvt0头文件：hi#define _IOW(HI_MIPI_IOC_MAGIC,0x05,imgrectt0头文件：hiHIMIPISETDEVATTR接口后调用此接口，Crop（HIMIPISETDEVATTRCROP功能复位sensor#defineHI_MIPI_RESET_SENSOR_IOW(HI_MIPI_IOC_MAGIC,0x05,COMBODEV0头文件：hi#defineHI_MIPI_UNRESET_SENSOR COMBODEV0头文件：hiMIPIRx#define _IOW(HI_MIPI_IOC_MAGIC,0x07,COMBODEV0头文件：hiMIPIRx#defineHI_MIPI_UNRESET_MIPI_IOW(HI_MIPI_IOC_MAGIC,0x08,COMBODEV0头文件：hiHIMIPIIOCMAGIC：MIPIRxioctlCOMBODEV：MIPIRxCOMBOMAXLINKNUMLinkLANENUMPERLINKLinkLaneCOMBOMAXLANENUMLaneMIPILANENUM：MIPILaneLVDSLANENUM：LVDS/HiSPiLaneCOMBOMAXDEVNUM：MIPIRxWDRVCNUMVirtualChnnaelSYNCCODENUMVirtualChannelinputmodet：MIPIRxphyclksharee：PHY1PHY2PHY0rawdatatypeerawmiiwdrmodee：MIPIWDRmipidevattrt：MIPIwdrmodee：LVDSWDRlvdssyncmodee：LVDSlvdsbitendianlvdsvsynctypee：LVDSVSYNClvdsvsynctypet：LVDSVSYNClvdsfidtypee：FrameidentificationIdlvdsfidtypet：FrameindentificationIdlvdsdevattrt：LVDS/SubLVDS/HiSPiphycmve：PHYphycmvt：PHYcombodevattrt：comboimgrectt：cropimgsizetMIPIRxioctl#defineHI_MIPI_IOC_MAGICtypedefunsignedintcombodevattrHIMIPISETDEVHIMIPIRESETHIMIPIUNRESETHIMIPIRESETHIMIPIUNRESET#defineCOMBOMAXLINK #defineCOMBOMAXLINK #defineCOMBOMAXLINK #defineCOMBOMAXLINK #defineCOMBOMAXLINK #defineLANE_NUM_PER_LINK#defineCOMBOMAXLANE #defineCOMBOMAXLANE #defineCOMBOMAXLANE #defineCOMBOMAXLANE #defineCOMBOMAXLANE #defineMIPILANE COMBOMAXLANE#defineMIPILANE COMBOMAXLANE#defineMIPILANE (LANENUMPERLINK*#defineMIPILANE (LANENUMPERLINK*#defineMIPILANE (LANENUMPERLINK*#define 无无#defineCOMBOMAXDEV #defineCOMBOMAXDEV #defineCOMBOMAXDEV 定义最多支持的VirtualChnnael#define #define MIPIRxtypedef{/*mipi/*SUB_LVDS/*LVDS/*HISPI/*CMOS1.8V/*CMOS3.3V/*CMOS3.3V/*MIPIBypasstypedef{/*CSI-2/*SUB_LVDS/*LVDS/*HISPI/*CMOS/*CMOS/*MIPIBypass}typedef{/*CSI-2/*SUB_LVDS/*LVDS/*HISPI/*CMOS/*CMOS}inputmodeINPUTMODECMOS18V、INPUTMODECMOS33V所以CMOSINPUTMODEINPUTMODEBYPASStypedef{ /*PHYshareclockwithPHY0*/ }PHYCLKSHAREPHYCLKSHAREtypedef{ typedef{ }MIPIWDRtypedef{ /*VirtualChannel*/ /*DataType*/}

/*DOLModeHIMIPIWDRMODEHIMIPIWDRMODE使用PacketheaderVirtualChannel区分长短曝HIMIPIWDRMODE使用PacketheaderDatatype区分长短曝HIMIPIWDRMODE个pixel识别长短曝光帧mipiwdrmodetypedef{ typedef{ {short}rawdatalane未使用的lane设置为-1wdrMIPIWDRdatawdrmodeHIMIPIWDRMODEDTrawdatawdrDataTypeWDRSonyDOLWDR。rawdatatypemipiwdrmodeHIMIPISETDEV

typedef{HI}wdr_HIWDRMODEHIWDRMODEHIWDRMODEHIWDRMODEHIWDRMODEDOLHIWDRMODEDOLHIWDRMODEDOLDOLWDRHIWDRMODEDOL2F/HIWDRMODEDOL3FHIWDRMODEDOL4F。Built-inWDRWDRHIWDRMODENONEsyncLVDSSYNCMODESOL/LVDSSYNCMODESOFLVDSSYNCMODEinvalidSAV、invalidEAV、validSAV、validtypedef{ }typedef{ }LVDSSYNCMODESOFLVDSSYNCMODESOL的含义相同Hi3519V100更LVDSSYNCMODESOF。typedef{ typedef{ }LVDSVSYNCinvalidSAV-invalidEAVvalidSAV-validEAVLVDSVSYNCLVDSVSYNCLVDSVSYNCSHARELongShort--LVDSVSYNCHCONNECTlvdsvsynctypelvdsvsynctypetypedef{lvds_vsync_type_eunsignedshorhblank1;unsignedshorthblank2;}lvdsvsynctypesynctypeLVDSVSYNCHCONNECThblank1hblank2，表示Hconnect的消隐区长度。lvdsvsynctypetypedef{/*frameidentificationidinSAV4th/*frameidentificationidinfirst}LVDSFIDNONEframeidentificationidLVDSFIDINSAVFIDSAV4个字段中，DOL4个字段的同步码fidtypeLVDSFIDINSAV。LVDSFIDINDATAFIDFrameinformationcolumn插入在同步码之后的第一个像素之前，DOL5个字段的同步码需要将fidtype配置为LVDSFIDINDATA是否支持lvdsfidtypetypedef{lvds_vsync_type_eHI_BOOL}outputDOLFrameinfrmationlineV-Blanking之后输出，FrameID是Frameinformationline中的第一个像素值。Frameinformationline中并不包含有效的视频数据，如果outputfilHITRUE，Frameinformationline会输出到后outputfilHIFALSE，MIPIRx将丢弃这是否支持lvdsfidtypelvdsfidtypetypedef{ sync_mode; unsigned typedef{ wdr_ode; sync_mode;lvds_vsync_type_tvsync_type; unsigned }typede{ sync_mode;lvds_vsync_type_tvsync_type; unsigned }imgwdrWDRsyncrawdatadatasynccodelane未使用的lane设置为-1laneid的配置方式请参考“LaneidsyncVirtualChannl4个同步码，根据同步模式不同，分别表示SOF/EOF/SOL/EOL的同步码或者invalidSAV/invalidEAV/validSAV/validEAV的同步码vsyncvsyncwdrmodDOLsyncmodeLVDSSYNCMODESAVvsyncfidsyncmodeLVDSSYNCMODESAVrawdatavsyncfidimgimgsizecombodevattrtimgrectwdrmodelvdssyncmoderawdatatypelvdsbitlvdsvsynctypelvdsfidtypeHIMIPISETDEV

typedef{ }PHYCMVPHYCMV

PHYtypedef{ }MIPIRxphycmvHIMIPISETPHYRx称为combo设备。typedef{ { typedef{ { }typedef{ { }typedef{ { }inputmipiinputmodeINPUTMODEMIPI,mipilvdsinputmodeINPUTMODESUBLVDS/INPUTMODELVDSINPUTMODEHISPI，则必须配置lvdsMIPIRxphyclkimgphyclkPHYPHYimgHIMIPISETCROP

Mipicroptypedef{intx;intunsignedintwidth;unsignedintheight;}xCrop起始位置yCropCropCropCROPHi351HIMIPISET

typedef{unsignedintwidth;unsignedintheight;}HIMIPISETDEVModule:[MIPI],BuildTime:[May242016,DevnoWorkModeDataTypeWDRMode ImgHSyncModeDataEndianSyncCodeEndian0 0,1,N LinkIdx PhyData 031,2,-0,1,134,-1,0,1,220,0001000200030000010203040506070000000000-----fsmtimeoutandescapeinfo-----------------------------------------linkclkTOutCntd0TOutCnt d3TOutCntclkEscCntd0EscCtd1EscCnt

-----ALINGErrinfo-------------------------------------DevnoFIFO_FullErrLane0ErrLane1ErrLane2ErrLane3ErrLane4ErrLane5ErrLane6ErrLane7ErrLane8ErrLane9ErrLane10Err 00000MIPIRxPhysensor的差分数据，PhyController检测到同步头后，将每lane上的数据对齐；钟为称为随路时钟，与后级模块的工作时钟相同。MIPIRxcropPixelController的末端实现，所以Crop后可以降低需要的随路时钟。ControlerRAW8/RAW10/RAW12/RAW14/WDR2To1：213To1：314To1：41一个物理Link对应4lne。CropCrop图像起始Crop图像起始validSAV,validEAVLinkIDMIPIRxVirtualSPi模式MIPIRxLaneIDMIPIRxWDR表示WDR模式下的长短帧，线性模式不显示LinklaneLP切换到HSErrFIFOFIFOLane0FIFOLane1FIFOLane2FIFOLane3FIFOLane4FIFOLane5FIFOLane6FIFOLane7FIFOLane8FIFOLane9FIFOLane10FIFOLane11FFO

Hi3516AMIPI具体规格请参考芯片手册《Hi3516A／Hi3516DHDIPCameraSoc用户指南.pdf》和《FeaturesoftheVideoInterfacesofHiSiliconIPCameras.pdf》LaneidLaneidmipidevattrtshortlaneid[MIPILANENUM]或者lvdsdevattrtshortlaneid[LVDSLANENUM]。sensorlanelaneid配置为-1laneid还可以调整1-3所示。表1-3MN34220MIPIRxHi3516AMIPIsensorMIPIRxMIPI0D2M，MIPI0D2P，MIPI0D3M,，MIPI0D3P，MIPI1D2M，MIPI1D2P，MIPI1D3M，MIPI1D3Planeid配置为-1laneidlaneid={0,2,-1,-1,1,3,-1,-Synccodelaneidlaneid为-1synccode不会生LVDSmodesynccodeLVDS/SUBLVDSlvdssyncmodeLVDSSYNCMODESOF/LVDSSYNCMODELVDSSYNCMODEsynccode的定义如下：unsignedsynccode[LVDSLANENUM][WDRVCNUM][SYNCCODE表1-4synccodesynccodeLVDSLANEWDRVC4SYNCCODElaneSynccode4个码字组成，在不同的同步模1-2。置。PanasonicSensor普遍存在两个Link之间乱序，其他厂家暂不涉及。图1-5图1-6像素格式图SDODA0、SDODB0、SDODA1、SDODB1，只有code。则synccode配置为： {{0x002,0x003,0x000,0x001},{0x202,0x203,0x200,{0x102,0x103,0x100,{0x302,0x303,0x300,{{0x012,0x013,0x010,0x011},//PHY0_la{0x212,0x213,0x210,{0x112,0x113,0x110,{0x312,0x313,0x310,{{0x006,0x007,0x004,0x005},{0x206,0x207,0x204,{0x106,0x107,0x104,0x105{0x306,0x307,0x304,0x305{{0x016,0x017,0x014,0x015},{0x216,0x2170x214{0x116,0x117,0x114,{0x316,0x317,0x314,{{0x00a,0x00b,0x008,0x009},{0x20a0x20b,0x208,{0x10a,0x10b,0x108,{0x30a,0x30b,0x308,{0x00a,0x00b,0x008,0x009},{0x20a,0x20b,0x208,{0x10a,0x10b,0x108,{0x30a,0x30b,0x308,{{0x01a,0x01b,0x018,0x019},{0x21a,0x21b,0x218,{0x11a,0x11b,0x118,{0x31a,0x31b,0x318,{{0x01a,0x01b,0x018,0x019},{0x21a,0x21b,0x218,{0x11a,0x11b,0x118,{0x31a,0x31b,0x318,}图1-8像素格式图终的的synccode配置为： {0x002,0x003,0x000,0x001},{0x202,0x203,0x200,{0x102,0x103,0x100,{0x302,0x303,0x300,{{0x006,0x007,0x004,0x005},{0x206,0x207,0x204,{0x106,0x107,0x104,{0x306,0x307,0x304,{{0x00a,0x00b,0x008,0x009},{0x20a,0x20b,0x208,{0x10a,0x10b,0x108,{0x30a,0x30b,0x308,{{0x00a,0x00b,0x008,0x009},{0x20a,0x20b,0x208,{0x10a,0x10b,0x108,{0x30a,0x30b,0x308,{{0x012,0x013,0x010,{0x212,0x213,0x210,{0x112,0x113,0x110,{0x312,0x313,0x310,{{0x016,0x017,0x014,0x015},{0x216,0x217,0x214,{0x116,0x117,0x114,{0x316,0x317,0x314,{{0x01a,0x01b,0x018,0x019},{0x21a,0x21b,0x218,0x219{0x11a,0x11b,0x118,0x119{0x31a,0x31b,0x318,{{0x01a,0x01b,0x018,0x019},{0x21a,0x21b,0x218,{0x11a,0x11b,0x118,{0x31a,0x31b,0x318,}序，Synccode按照正常顺序配置。的描述1-9图1-9图1-10像素格式图 //lane0(mn34220chn1{{0x002,0x003,0x000,0x001},{0x202,0x203,0x200,0x201},//{0x102,0x103,0x1000x101},//{0x302,0x303,0x300,0x301}////lane1(mn34220chn2{{0x012,0x0130x010,{0x212,0x2130x210,{0x112,0x113,0x110,{0x312,0x313,0x310,//lane2(mn34220chn1{{0x006,0x007,0x004,{0x206,0x207,0x204,{0x106,0x107,0x104,{0x306,0x307,0x304,//lane3(mn34220chn2{{0x016,0x017,0x014,{0x216,0x217,0x214,{0x116,0x117,0x114,{0x316,0x317