fas466globalvars.h

基于FAS466的SCSI控制器的启动器模式的C源代码。

    //*************************************************************************************
    // Program Name	:	fas466_global_vars.h							                             
    //				     						                                         
    // Function		:	This header files contains all global variables.    
    //		  		  	      
    // Date			:	September 21, 2000						                             
    //									                                                 
    // Written by 	:	 Thao Tran					                                         
    //										                                             
    //*************************************************************************************
  	GLB	unsigned long   xfer_width;
	GLB	unsigned char	lba_val; 
	GLB	unsigned long	BlockCnt;
	GLB	unsigned long	xfer_period_factor;
	GLB	unsigned long	req_ack_offset;
	GLB	unsigned long	SC_Status;

	GLB	int				type;   // 0 for repeat  ; 1 for incremental
	GLB	int				pattern;  // initial data 




	GLB	unsigned long	channel1_limit;
	GLB	unsigned long	channel0_limit;

 
	//*************************************************************************************
    //	OTHER DECLARATIONS				                                 
    //*************************************************************************************
	GLB	unsigned int RegSizeArray[0x800];    
	GLB	unsigned long VerifyError;
	GLB	unsigned long MemVerifyError;	
	GLB	char str[81];
	GLB	unsigned char ExpCmdCmptStat;
	GLB	unsigned long LoopCount;
	GLB	unsigned char Wide;
	GLB	unsigned short BlockSize; //Scsi block size
	GLB	unsigned long BlockCnt;

	//*************************************************************************************
    //	FUNCTION DECLARATIONS				                                 
    //*************************************************************************************
////////////////////////////////////////////
// Function Prototypes
////////////////////////////////////////////
GLB void Initiator_Mode_mode_select(void);		// issue test unit ready command
GLB void Initiator_Mode_tur(void);		// issue test unit ready command
GLB void Initiator_Mode_tur2(void);		// issue test unit ready command
GLB void Initiator_Mode_req_sen(void);  // issue request sense command
GLB void Initiator_Mode_wr_rd(void);	// write and read data
GLB void Initiator_Mode_wr(void);		// write data
GLB void Initiator_Mode_rd(void);		// read data
GLB void Initiator_Negotiate_sw(void);	// Negotiation
GLB void Cmd_Complete466(void);			// wait for command complete status
GLB void Cmd_Complete466_sel(void);
//GLB void Fifo_Work_Around2(void);		
//GLB void wasync(void);					// wide asynchronous setup
//GLB void tur_2(void);					// issue test unit ready without negotiation
//GLB void ultra(void);					// ultra setup
//GLB void wult(void);					// wide ultra setup
//GLB void fast40(void);					// fast 40 setup
//GLB void wfast40(void);					// wide fast 40 setup
//GLB void Initiator_Mode_sen(void);		// Mode Sensse
GLB void InitRegisterSizeArray(void);
GLB void Initiator_Fill_buffer(void);
GLB void Initiator_Read_buffer(void);



// Function Prototypes
GLB void Wait(unsigned long);
GLB unsigned short IsaRead(unsigned short);
GLB void IsaWrite(unsigned short,unsigned short);
GLB unsigned long RegRead(unsigned int);
GLB void RegWrite(unsigned int, unsigned long);
GLB unsigned char MemRead(unsigned int);
GLB void MemWrite(unsigned int, unsigned char);
GLB void BitMask(unsigned int, unsigned int, unsigned int);
GLB void verify(unsigned int, unsigned long);
GLB void verifym(unsigned int, unsigned int, unsigned long);
GLB void chipreset();
GLB void SetChkMem(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int);