/*
**********************************************************************************************
* Project:	TK7821
* File:		ScsiCmd.h
* Contents: 
*           
*
* $Date: 02/25/05    Jason    v0.1
*        05/12/05    Mingo    v0.2   www.fameg.com
*
* Copyright (c) 2005 Fameg, Inc. All rights reserved
***********************************************************************************************
*/

#ifndef ScsiCmdH
#define ScsiCmdH

#include "UsbDisk.h"
#include "CtrlRequest.h"
#include "BulkCmd.h"
#include "Storage.h"

#define FLASH_LOGIC_BLOCK_ADDRESS 0x00008000L 
#define SET_MEDIUM_ERROR(Lun)     SenseKey      = MEDIUM_ERROR; \
                                  AddSenseCode  = 0;
#define SET_ILLEGAL_REQUEST(Lun)  SenseKey      = ILLEGAL_REQUEST;\
                                  AddSenseCode  = 0;\
                                  AddSenseCodeQ = 0;	
#define SENSE_KEY_INDEX            2 
#define ADD_SENSE_CODE_INDEX      12
#define ADD_SENSE_CODEQ_INDEX     13   
#define SCSI_INFO_START_OFFSET  8    
#define SCSI_VENDOR_LEN         8
#define SCSI_PRODUCT_LEN        16
#define SCSI_LOAD_STATUS_MASK   0x01
#define SCSI_LAST_QUERY_MASK    0x02   
// SCSI control byte field
  #define SCSI_CTRL_LINK_BIT      0x01
  #define SCSI_CTRL_OBSOLETE_BIT  0x02                       
  #define SCSI_CTRL_NACA_BIT      0x04
                                  
// Scsi Command Operation Code List.
#define TEST_UNIT_READY_OPCODE  0x00
#define REQUEST_SENSE_OPCODE    0x03
#define MODE_SELECT6_OPCODE     0x15   
#define MODE_SENSE6_OPCODE      0x1A   
#define INQUIRY_OPCODE          0x12
#define START_STOP_UNIT_OPCODE  0x1B
#define PREVENT_REMOVAL_OPCODE  0x1E
#define _23_OPCODE              0x23
#define READ_CAPACITY10_OPCODE  0x25
#define READ10_OPCODE           0x28
#define WRITE10_OPCODE          0x2A
#define VERIFY10_OPCODE         0x2F
#define MODE_SENSE10_OPCODE     0x5A
// Sense Key Definition.
#define NO_SENSE                0x00
#define RECOVERED_ERROR         0x01
#define NOT_READY               0x02
#define MEDIUM_ERROR            0x03
#define HW_ERROR                0x04
#define ILLEGAL_REQUEST         0x05
#define UNIT_ATTENTION          0x06
#define DATA_PROTECT            0x07 
#define BLANK_CHECK             0x08
#define VENDOR_SPEC             0x09
#define COPY_ABORTED            0x0A
#define ABORTED_COMMAND         0x0B
#define VOLUME_OVERFLOW         0x0D
#define MISCOMPARE              0x0E
// Addition Sense Code Definition.
#define INVALID_COMMAND_OPCODE  0x20
#define INVALID_FIELD_IN_CDB    0x24
#define HW_WRITE_PROTECT        0x27
#define LOGIC_UNIT_NOT_SUPPORT  0x25
#define MEDIUM_CHANGED          0x28 
#define MEDIUM_NOT_PRESNET      0x3A
// SCSI Command Length.
#define STANDARD_INQUIRY_DATA_LEN  0x24
#define CAPACITY10_DATA_LEN        0x08
#define FORMAT_CAPACITY_DATA_LEN   0x0C
#define REQUEST_SENSE_DATA_LEN     0x12
#define MODE_PARAM_HEADER_LEN      0x04
#define BLOCK_DESC_LEN             0x08

extern idata PCMD_BLOCK_WRAPPER BlockWrapper; 
extern BYTE CmdStatus;
extern BYTE BulkState;
extern BYTE ScsiLun;
extern idata UINT32 WrapperTag;
extern idata BYTE SenseKey;
extern idata BYTE AddSenseCode;
extern idata BYTE AddSenseCodeQ;
extern idata UINT32 UsbDmaTotalLength;
extern idata BYTE MaxBlockNum[MAX_DEVICE_NUM];
extern BYTE BlockNum;
extern xdata bool ScsiMediaChange[MAX_DEVICE_NUM];
// INTERRPUT
extern UINT16 WriteAddress;
extern bit FirstWrite;

void ScsiInit();
void ScsiCheckCmd();
bool ScsiDetectWriteProtect(BYTE Lun);

void SetSenseDataWr(BYTE Status);
void SetSenseDataRd(BYTE Status);


#endif