mmcsd.h

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    RES2,
    RES3,
    RES4,
    RES5,
    RES6,
    RES7
} CARD_STATE;

#define OUT_OF_RANGE_ERROR      0x80000000      /* Bit 31 */
#define ADDRESS_ERROR           0x40000000      /* Bit 30 */
#define BLK_LENGTH_ERROR        0x20000000      /* Bit 29 */
#define ERASE_SEQ_ERROR         0x10000000      /* Bit 28 */
#define ERASE_PARAM             0x08000000      /* Bit 27 */
#define WP_VIOLATION            0x04000000      /* Bit 26 */
#define CARD_IS_LOCKED          0x02000000      /* Bit 25 */
#define LOCK_UNLOCK_FAILED      0x01000000      /* Bit 24 */
#define CMD_CRC_ERROR           0x00800000      /* Bit 23 */
#define COMUNC_ILLEG_COM        0x00400000      /* Bit 22 */
#define CARD_ECC_FAILED         0x00200000      /* Bit 21 */
#define CONTROLLER_ERROR        0x00100000      /* Bit 20 */
#define EERROR                  0x00080000      /* Bit 19 */
#define UNDERRUN                0x00040000      /* Bit 18 */
#define OVERRUN                 0x00020000      /* Bit 17 */
#define CIDCSD_OVERWRITE        0x00010000      /* Bit 16 */
#define WP_ERASE_SKIP           0x00008000      /* Bit 15 */
#define CARD_ECC_DISABLED       0x00004000      /* Bit 14 */
#define ERASE_RESET             0x00002000      /* Bit 13 */


/* MMC Card specific Data structure */
typedef struct _mmcCSD
{
        unsigned CSD_Structure : 2;
        unsigned MMC_Protocol_Ver : 4;
        unsigned CSD_reserved0 : 2;
        unsigned CSD_TimeAccess1 : 8;
        unsigned CSD_TimeAccess2 : 8;
        unsigned CSD_TransferRate : 8;
        unsigned CSD_BlockLength : 4;
        unsigned CSD_CmdClass : 12;
        unsigned CSD_CSize1: 10;
        unsigned CSD_reserved1 : 2; 
        unsigned CSD_DSR : 1;
        unsigned CSD_ReadMisalign : 1;
        unsigned CSD_WriteMisalign : 1;
        unsigned CSD_PartialSize : 1;
        unsigned CSD_EraseSecSize : 1;

        unsigned CSD_VDDReadMin1 : 2;
        unsigned CSD_VDDReadMax : 3;
        unsigned CSD_VDDWriteMin : 3;
        unsigned CSD_VDDWriteMax : 3;
        unsigned CSD_CSizeMult : 3;
        unsigned CSD_CSize2: 2;

        unsigned CSD_WPGrpSize : 5;
        unsigned CSD_EraseGrpSize : 5;
        unsigned CSD_SectorSize : 5;
        unsigned CSD_VDDReadMin2 : 1;

        unsigned CSD_Res2 : 5;
        unsigned CSD_WrBlockPartial : 1;
        unsigned CSD_WrDataBlockLn : 4;
        unsigned CSD_WrSpeedFactor : 3;
        unsigned CSD_DefaultECC : 2;
        unsigned CSD_WPGrpEnable : 1;

        unsigned CSD_Error : 1;
        unsigned CSD_CRC : 7;
        unsigned CSD_Res3 : 2;
        unsigned CSD_FileFmt : 2;
        unsigned CSD_TempWRProtect : 1;
        unsigned CSD_PermWRProtect : 1;
        unsigned CSD_Copy : 1;
        unsigned CSD_FileFmtGrp : 1;
} MMCCSDFields;


/* MMC Card identification structure */
typedef struct _mmcCID
{
        unsigned manufact_ID0 : 8;      /* Manufacturer ID */
        unsigned manufact_ID1 : 16;     /* Manufacturer ID */
        unsigned product_name0 : 8;     /* Card product name */
        unsigned product_name1 : 16;
        unsigned product_name2 : 16;
        unsigned product_name3 : 16;
        unsigned fw_revision : 4;       /* Firmware revision */
        unsigned hw_revision : 4;       /* Hardware revision */
        unsigned ser_numb0 :8;          /* serial number */
        unsigned ser_numb1 :16;
        unsigned year_code : 4;         /* date manufacture */
        unsigned month_code : 4;        /* date manufacture */
        unsigned stop_bit : 1;          /* Always 1 */
        unsigned crc7: 7;               /* CRC7 checksum */
} MMCCIDFields;

/* SD Card specific Data structure. Align on 16-bit length */
typedef struct _sdCSD
{
        unsigned CSD_Structure : 2;
        unsigned CSD_reserved0 : 6;
        unsigned CSD_TimeAccess1 : 8;
        unsigned CSD_TimeAccess2 : 8;
        unsigned CSD_TransferRate : 8;
        unsigned CSD_CmdClass0 : 8;
        unsigned CSD_BlockLength : 4;
        unsigned CSD_CmdClass1 : 4;
        unsigned CSD_CSize0: 2;
        unsigned CSD_reserved1 : 2; 
        unsigned CSD_DSR : 1;
        unsigned CSD_ReadMisalign : 1;
        unsigned CSD_WriteMisalign : 1;
        unsigned CSD_PartialSize : 1;
        unsigned CSD_CSize1: 10;
        unsigned CSD_VDDReadMax : 3;
        unsigned CSD_VDDReadMin1 : 3;
        unsigned CSD_VDDWriteMax : 3;
        unsigned CSD_VDDWriteMin : 3;
        unsigned CSD_CSizeMult : 2;

        unsigned CSD_SectorSize : 7;
        unsigned CSD_EraseBlkEn : 1;
        unsigned CSD_CSizeMultL : 1;

        unsigned CSD_WPGrpSize : 7;
        unsigned CSD_SectorSizeL : 1;

        unsigned CSD_WrDataBlockLnH : 2;
        unsigned CSD_WrSpeedFactor : 3;
        unsigned CSD_Res2 : 2;
        unsigned CSD_WPGrpEnable : 1;

        unsigned CSD_WrDataBlockLnL : 2;
        unsigned CSD_WrBlockPartial : 1;
        unsigned CSD_Res3 : 5;

        unsigned CSD_Res4 : 2;
        unsigned CSD_FileFmt : 2;
        unsigned CSD_TempWRProtect : 1;
        unsigned CSD_PermWRProtect : 1;
        unsigned CSD_Copy : 1;
        unsigned CSD_FileFmtGrp : 1;

        unsigned CSD_Error : 1;
        unsigned CSD_CRC : 7;
} SDCSDFields;


typedef struct _sdCID
{
        unsigned manufact_ID : 8;       /* Manufacturer ID */
        unsigned OEM_ID0 : 16;          /* OEM/Application ID */
        unsigned product_name0 : 8;     /* Card product name */
        unsigned product_name1 : 16;
        unsigned product_name2 : 16;
        unsigned product_revision : 8;  /* Hardware and firmware revision */
        unsigned ser_numb0 :16;         /* serial number */
        unsigned ser_numb1 :16;
        unsigned stop_bit : 1;          /* Always 1 */
        unsigned crc7: 7;               /* CRC7 checksum */
        unsigned date_code : 8;         /* date manufacture */
} SDCIDFields;


typedef union _myCIDFields {
        MMCCIDFields mCID;      /* MMC card */
        SDCIDFields sCID;       /* SD card */
} CIDFields;

typedef union _myCSDFields {
        MMCCSDFields mCSD;      /* MMC card */
        SDCSDFields sCSD;       /* SD card */
} CSDFields;



#define SINGLE_BUS_WIDTH        1
#define DOUBLE_BUS_WIDTHH       2
#define QUARUPLE_BUS_WIDTH      4


/* SD Configuration register */
typedef struct _mySCR
{
        unsigned  sd_spec : 4;          /* SD specification */
        unsigned  scr_structure : 4;    /* SCR structure */
        unsigned  sd_bwidth : 4;        /* Data bus width */
        unsigned  sd_security : 3;      /* SD security */
        unsigned  sd_data_stat : 1;     /* Data status after erase */
        unsigned  scr_reserved0 : 2;
        unsigned  scr_reserved1 : 16;
        unsigned  card_manufacturer0 : 16; /* For manufacturer usage */
        unsigned  card_manufacturer1 : 16;
} SCRFields;

/* SD STATUS structure */
typedef struct _mySDSTATUS
{
        unsigned  sd_bwidth : 2;        /* Data bus width */
        unsigned  secured_mode : 1;     /* Secured mode */
        unsigned  sreserved0 : 5;       /* Reserved */
        unsigned  sreserved1 : 8;
        unsigned  sd_type : 16;
        unsigned  prt_size1 : 16;       /* Size of protected area */
        unsigned  prt_size2 : 16;
        UINT16    data[28];             /* reserved */
} SDSTATUSFields;


typedef struct drive_desc
{
	ULONG       total_lba;
	UINT16      num_heads;
	UINT16      sec_p_track;
	UINT16      num_cylinders;
	UINT16      block_size;
	UINT16      RCA;                // Relative card address
	UINT32      card_type;           // Card type - SPI, MMC, SD etc
	UINT32      securedAreaSize;
	UINT16      securityDrv;
	UINT16      busWidth;
	UINT16      erasedSize;
} DRIVE_DESC, *PDRIVE_DESC;


typedef struct drive_control
{
    /* Geometry of the drives */
    DRIVE_DESC drive;
    USERADDRESS user_address;/* Pointer address of the user's buffer */
    BOOL command_complete;  /* Set when operation is complete */
    UINT16 error_code;      /* Set if an error occured - This is 
                   the error reported to the user.
                */
	UINT16 timer;           /* Command fails if this much time elapsed */
	UINT16 block_size;      /* Block size for read/write multiple cmds */
	USHORT sectors_remaining;/* Sectors remaining for read/write mult */
	INT16 drive_active;     /* Current active drive */
	UINT16 mode;            /* Single or multiple transfer */
	UINT16 currentState;    /* Current MMC state */
	UINT16 mmcRdyState;     /* Card BUSY/READY state */
	UINT16 tempData;
	UINT16 LastResponse[8]; /* Response data */
	UINT32 mmcStatus;       /* Card status */
} DEVICE_CONTROLLER, *PDEVICE_CONTROLLER;


MMC_CC mmcCommandAndResponse(UINT32 Arg, UINT16 Cmd, UINT16 noBlocks, RESP_TYPE Resp);
void mmcSetupDataRegister(UINT16 cmdIndex, UINT16 *cmdDatContReg, UINT16 *noBlocks, UINT16 *blkLength);
MMC_CC mmcAnalyzeResponse(RESP_TYPE Resp);
MMC_CC mmcReceiveData(UINT16 data_length, UINT16 noBLocks, UINT16 xferMode);
MMC_CC mmcSendData(UINT16 data_length, UINT16 noBlocks, UINT16 xferMode);
MMC_CC mmcSDApplCmd(UCHAR *buff, ULONG multipp, UINT16 noBlocks, UINT16 RCA, RESP_TYPE resp, UINT16 Cmd);
MMC_CC mmcReset(void);
MMC_CC mmcIdentify(UINT32 cardType, UINT16 RCA);
MMC_CC mmcSetStandbyState(UINT16 RCA);
MMC_CC mmcSetXferState(UINT16 RCA);
MMC_CC mmcGetConfiguration(UCHAR *mmcCSD, UINT16 RCA);
MMC_CC mmcGetCardIdentification(UCHAR *mmcIdent, UINT16 RCA);
MMC_CC mmcBlkLengthConfiguration(UINT16 RCA);
MMC_CC mmcRead(ULONG dataAddress, UINT16 RCA, UINT16 noBlocks );
MMC_CC mmcWrite(ULONG dataAddress, UINT16 RCA, UINT16 noBlocks );
MMC_CC mmcReadMultiple(ULONG dataAddress, UINT16 RCA, UINT16 noBlocks );
MMC_CC mmcWriteMultiple(ULONG dataAddress, UINT16 RCA, UINT16 noBlocks );
MMC_CC mmcGetWPMap(ULONG dataAddress, UINT16 RCA );
MMC_CC mmcSetGroupWP(ULONG dataAddress, UINT16 RCA );
MMC_CC mmcClearGroupWP(ULONG groupAddress, UINT16 RCA );
MMC_CC mmcEraseSectors(UINT16 RCA, ULONG start, ULONG end, ULONG untag );
MMC_CC mmcEraseGroup(UINT16 RCA, ULONG start, ULONG end, ULONG untag );
MMC_CC mmcGetStatus(UINT16 RCA);

MMC_CC mmedia_io(ULONG sector, UCHAR *buffer, USHORT scount, INT16 op );
BOOL mmedia_drive_open(void);
BOOL mmedia_drive_close(void);
BOOL mmedia_read_serial(PDRV_GEOMETRY_DESC idDrvPtr);


BOOL mmcBusStart( void );
BOOL mmcInitSetup( void );


void MMCHwInit(void);
void MMCStart80Clocks(void);
MMC_CC MMCPrepareAndSetup(UINT32 Arg, UINT16 Cmd, UINT16 noBlocks, UINT16 Resp);
MMC_CC MMCResponseInfo(UCHAR *respBuff, UINT16 respLength);
MMC_CC MMCTransmit(UCHAR *buffer, UINT16 dataLength, UINT16 noBLocks, UINT16 xferMode);
MMC_CC MMCReceive(UCHAR *buffer, UINT16 dataLength, UINT16 noBLocks, UINT16 xferMode);
void MMCStartClock(void);
BOOL MMCStopClock(void);
BOOL MMCSetClockRate(UINT16 ClockRate);
void Stallms(UINT32 msSeconds);

void clear_controller_structure(void);



#ifdef __cplusplus
}
#endif

#endif