seedpciapi.h

该文件是DM642的PCI方面的开发DDK

/************************************************************/
/*	Filename:		SeedPciApi.h							*/
/*	Designor:		cxh										*/
/*	Date:			2006-02-23								*/
/************************************************************/

#ifndef SeedPciApi_H
#define SeedPciApi_H

#include <csl.h>
#include <csl_dat.h>
#include <csl_cache.h>
#include <csl_pci.h>
#include <csl_irq.h>
#include <std.h>

#define min(x,y) ((x)<(y))?(x):(y)

/*******************************************************
--------- Abbreviation specification -------------------
	Capture 	- 	Cap
	Record 		- 	Rcd
	Frame		-	Frm
	Address 	-	Add
	Interrupt	-	Int
	Flag		- 	Flg
	Channel		-	Chan
	Ready		-	Rdy
	Request		-	Req
	Host		-   Hst
	Logical		-   Log
	Common		-	Cmn
	Buffer		-	Buf
	Length		-	Len
	Ringbuffer	-	Rbf
	Overflow	-	Ovf
	Exchange	-	Exc
********************************************************/

// Define video channel enumeration structure 
typedef enum tagCHANNUM
{
	FIRCHN = 0,		// First video channel
	SECCHN,			// Second video channel
	THICHN,			// Third video channel
	FOUCHN			// Fourth video channel
}CHANNUM;
                  
/************************************************************
// 	Name:		InitPciDrvLib		
//	Function:	Initialize seed ti6x PCI interface library	
//  Parameter:	
//		None
//  Return:
//		None			
************************************************************/
void InitPciDrvLib(void);

/************************************************************
// 	Name:		IsCapStart		
//	Function:	Judge video channel capture display if started	
//  Parameter:	
//		Num--Video channel number	
//  Return:
//		If True, corresponding channel capture is started;
//      else,corresponding channel capture is closed.			
************************************************************/
Bool IsCapStart(CHANNUM Num);

/************************************************************
// 	Name:		CheckPciDmaState		
//	Function:	Chech pci dma transfer if busy	
//  Parameter:	
//		None
//  Return:
//		If True, pci dma busy; 
//		else, pci dma idle.			
************************************************************/
Bool CheckPciDmaState(void);

/************************************************************
// 	Name:		SetCapDmaSrcAdd		
//	Function:	Setup dma transfer capture video data source address,	
//  Parameter:	
//		DspAdd--Captured video frame starting address
//  Return:
//		None				
************************************************************/
void SetCapDmaSrcAdd(Uint32 DspAdd);

/************************************************************
// 	Name:		IsRcdStart		
//	Function:	Judge video channel record if started or stopped	
//  Parameter:	
//		Num--Video channel number
//	Return:	
//		If True, corresponding channel record is started;
//      else,corresponding channel record is closed.			
************************************************************/
Bool IsRcdStart(CHANNUM Num);

/************************************************************
// 	Name:		SendFrmRdy		
//	Function:	Send corresponding video channel ready to capture command	
//  Parameter:	
//		Num--Video channel number
//  Return:
//		None			
************************************************************/
void SendFrmRdy(CHANNUM Num);

/************************************************************
// 	Name:		WaitFrmTransOvr		
//	Function:	Waitting for frame transfer completed	
//  Parameter:	
//		None	
//  Return:
//		None		
************************************************************/
void WaitFrmTransOvr(void);

/************************************************************
// 	Name:		SendEncodedData		
//	Function:	Send corresponding video channel ready to capture command	
//  Parameter:	
//		Num--Video channel number
//		DspAdd--Encoded data starting address
//		DataLen--The data length of will transfer
//  Return:
//		None			
************************************************************/
void SendEncodedData(CHANNUM Num, Uint32 DspAdd, Uint32 DataLen);

/************************************************************
// 	Name:		TransCaptureFrm		
//	Function:	Transfer corresponding video channel capture data to pc host	
//  Parameter:	
//		First--
//		Num--Video channel number
//		DspAdd--Captured video frame starting address
//  Return:
//		None			
************************************************************/
void TransCaptureFrm(Bool First, CHANNUM Num, Uint32 DspAdd);

#endif

/************************************************************/
/*	No	more												*/
/************************************************************/