_vport.h

TI DM642 DSP 驱动CMOS 成像芯片MT9T001(Micron)源代码,TI原版资料.包含驱动环境配置,对如基于DSP的数码相机,摄像机开发有重要参考价值.

#ifndef __VPORT_H  /* change to _VPORT_H */
#define __VPORT_H

#ifdef __cplusplus
extern "C" {
#endif

/* this header file defines common channel object and channel status code */
/* for both capture and display                                           */

#include <std.h>
#include <csl_stdinc.h>
#include <iom.h>

#include <vport.h>      

/* channel status */
#define _VPORT_READY           4
#define _VPORT_CFGED           2
#define _VPORT_OPENED          1
#define _VPORT_MASK_10BIT      1
#define _VPORT_MASK_RAW        2

#define _VPORT_NUM_EDMA_CHANS_RAW  1	// RAW CAPTURE INITIALIZATION SPECIFIC
#define _VPORT_NUM_EDMA_CHANS  3	// RAW CAPTURE INITIALIZATION SPECIFIC
//#define _VPORT_NUM_EDMA_CHANS  3
#define _VPORT_CHAN_CNT        2

/* channel object */
typedef struct {
    Uns        status;
    Uns        portNum;
    Uns        chanNum;
    Uns        base;
    Uns        edmaChanNum[_VPORT_NUM_EDMA_CHANS];
    Uns        edmaAddr[_VPORT_NUM_EDMA_CHANS];
    Uns        vIntMask;
    FVID_Frame          viops[VPORT_MAX_NUM_FRMBUFS];
    QUE_Elem            qIn;
    QUE_Elem            qOut;
    EDMA_Handle         hEdma[_VPORT_NUM_EDMA_CHANS];
    EDMA_Handle         hRld[_VPORT_NUM_EDMA_CHANS*2];
    Int                 tcc[_VPORT_NUM_EDMA_CHANS]; 
    Bool                mergeFlds;
    IOM_TiomCallback    cbFxn;
    Arg                 cbArg;
    VPORT_IntCallBack   vIntFxn;
    volatile Bool       queEmpty;
    Bool                scale;
    Bool                resmpl;
    Uns        yPitch;
    Uns        cPitch;
    Uns        numLines;
    Uns        numPixels;
    Uns        numLinesFld1;
    Uns        numFrms;
    Uns        numEvents;
    Uns        numEventsFld1;
    Uns        yThrld;
    Uns        cThrld;
    FVID_Frame          *curViop;
    FVID_Frame          *nextViop;   
    FVID_Frame          *mrViop;      
    Int                 mode;
    EDC_Fxns           *edcFxns;
    Ptr                 edcHandle;
    IOM_Packet         *packetIOM;
    Int                 vIntCbArg;   
    Int                 segId;    
    Int                 bufSz;
} _VPORT_ChanObj;

typedef struct _VPORT_EDCObj{
    Int8* name;
    EDC_Fxns* fxns;
} _VPORT_EDCObj;



#ifdef __cplusplus
extern }
#endif

#endif /* __VPORT_H */