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|
/*
FlashPoint.c -- FlashPoint SCCB Manager for Linux
This file contains the FlashPoint SCCB Manager from BusLogic's FlashPoint
Driver Developer's Kit, with minor modifications by Leonard N. Zubkoff for
Linux compatibility. It was provided by BusLogic in the form of 16 separate
source files, which would have unnecessarily cluttered the scsi directory, so
the individual files have been combined into this single file.
Copyright 1995-1996 by Mylex Corporation. All Rights Reserved
This file is available under both the GNU General Public License
and a BSD-style copyright; see LICENSE.FlashPoint for details.
*/
#ifdef CONFIG_SCSI_FLASHPOINT
#define MAX_CARDS 8
#undef BUSTYPE_PCI
#define CRCMASK 0xA001
#define FAILURE 0xFFFFFFFFL
struct sccb;
typedef void (*CALL_BK_FN) (struct sccb *);
struct sccb_mgr_info {
unsigned long si_baseaddr;
unsigned char si_present;
unsigned char si_intvect;
unsigned char si_id;
unsigned char si_lun;
unsigned short si_fw_revision;
unsigned short si_per_targ_init_sync;
unsigned short si_per_targ_fast_nego;
unsigned short si_per_targ_ultra_nego;
unsigned short si_per_targ_no_disc;
unsigned short si_per_targ_wide_nego;
unsigned short si_flags;
unsigned char si_card_family;
unsigned char si_bustype;
unsigned char si_card_model[3];
unsigned char si_relative_cardnum;
unsigned char si_reserved[4];
unsigned long si_OS_reserved;
unsigned char si_XlatInfo[4];
unsigned long si_reserved2[5];
unsigned long si_secondary_range;
};
#define SCSI_PARITY_ENA 0x0001
#define LOW_BYTE_TERM 0x0010
#define HIGH_BYTE_TERM 0x0020
#define BUSTYPE_PCI 0x3
#define SUPPORT_16TAR_32LUN 0x0002
#define SOFT_RESET 0x0004
#define EXTENDED_TRANSLATION 0x0008
#define POST_ALL_UNDERRRUNS 0x0040
#define FLAG_SCAM_ENABLED 0x0080
#define FLAG_SCAM_LEVEL2 0x0100
#define HARPOON_FAMILY 0x02
/* SCCB struct used for both SCCB and UCB manager compiles!
* The UCB Manager treats the SCCB as it's 'native hardware structure'
*/
#pragma pack(1)
struct sccb {
unsigned char OperationCode;
unsigned char ControlByte;
unsigned char CdbLength;
unsigned char RequestSenseLength;
unsigned long DataLength;
unsigned long DataPointer;
unsigned char CcbRes[2];
unsigned char HostStatus;
unsigned char TargetStatus;
unsigned char TargID;
unsigned char Lun;
unsigned char Cdb[12];
unsigned char CcbRes1;
unsigned char Reserved1;
unsigned long Reserved2;
unsigned long SensePointer;
CALL_BK_FN SccbCallback; /* VOID (*SccbCallback)(); */
unsigned long SccbIOPort; /* Identifies board base port */
unsigned char SccbStatus;
unsigned char SCCBRes2;
unsigned short SccbOSFlags;
unsigned long Sccb_XferCnt; /* actual transfer count */
unsigned long Sccb_ATC;
unsigned long SccbVirtDataPtr; /* virtual addr for OS/2 */
unsigned long Sccb_res1;
unsigned short Sccb_MGRFlags;
unsigned short Sccb_sgseg;
unsigned char Sccb_scsimsg; /* identify msg for selection */
unsigned char Sccb_tag;
unsigned char Sccb_scsistat;
unsigned char Sccb_idmsg; /* image of last msg in */
struct sccb *Sccb_forwardlink;
struct sccb *Sccb_backlink;
unsigned long Sccb_savedATC;
unsigned char Save_Cdb[6];
unsigned char Save_CdbLen;
unsigned char Sccb_XferState;
unsigned long Sccb_SGoffset;
};
#pragma pack()
#define SCATTER_GATHER_COMMAND 0x02
#define RESIDUAL_COMMAND 0x03
#define RESIDUAL_SG_COMMAND 0x04
#define RESET_COMMAND 0x81
#define F_USE_CMD_Q 0x20 /*Inidcates TAGGED command. */
#define TAG_TYPE_MASK 0xC0 /*Type of tag msg to send. */
#define SCCB_DATA_XFER_OUT 0x10 /* Write */
#define SCCB_DATA_XFER_IN 0x08 /* Read */
#define NO_AUTO_REQUEST_SENSE 0x01 /* No Request Sense Buffer */
#define BUS_FREE_ST 0
#define SELECT_ST 1
#define SELECT_BDR_ST 2 /* Select w\ Bus Device Reset */
#define SELECT_SN_ST 3 /* Select w\ Sync Nego */
#define SELECT_WN_ST 4 /* Select w\ Wide Data Nego */
#define SELECT_Q_ST 5 /* Select w\ Tagged Q'ing */
#define COMMAND_ST 6
#define DATA_OUT_ST 7
#define DATA_IN_ST 8
#define DISCONNECT_ST 9
#define ABORT_ST 11
#define F_HOST_XFER_DIR 0x01
#define F_ALL_XFERRED 0x02
#define F_SG_XFER 0x04
#define F_AUTO_SENSE 0x08
#define F_ODD_BALL_CNT 0x10
#define F_NO_DATA_YET 0x80
#define F_STATUSLOADED 0x01
#define F_DEV_SELECTED 0x04
#define SCCB_COMPLETE 0x00 /* SCCB completed without error */
#define SCCB_DATA_UNDER_RUN 0x0C
#define SCCB_SELECTION_TIMEOUT 0x11 /* Set SCSI selection timed out */
#define SCCB_DATA_OVER_RUN 0x12
#define SCCB_PHASE_SEQUENCE_FAIL 0x14 /* Target bus phase sequence failure */
#define SCCB_GROSS_FW_ERR 0x27 /* Major problem! */
#define SCCB_BM_ERR 0x30 /* BusMaster error. */
#define SCCB_PARITY_ERR 0x34 /* SCSI parity error */
#define SCCB_IN_PROCESS 0x00
#define SCCB_SUCCESS 0x01
#define SCCB_ABORT 0x02
#define SCCB_ERROR 0x04
#define ORION_FW_REV 3110
#define QUEUE_DEPTH 254+1 /*1 for Normal disconnect 32 for Q'ing. */
#define MAX_MB_CARDS 4 /* Max. no of cards suppoerted on Mother Board */
#define MAX_SCSI_TAR 16
#define MAX_LUN 32
#define LUN_MASK 0x1f
#define SG_BUF_CNT 16 /*Number of prefetched elements. */
#define SG_ELEMENT_SIZE 8 /*Eight byte per element. */
#define RD_HARPOON(ioport) inb((u32)ioport)
#define RDW_HARPOON(ioport) inw((u32)ioport)
#define RD_HARP32(ioport,offset,data) (data = inl((u32)(ioport + offset)))
#define WR_HARPOON(ioport,val) outb((u8) val, (u32)ioport)
#define WRW_HARPOON(ioport,val) outw((u16)val, (u32)ioport)
#define WR_HARP32(ioport,offset,data) outl(data, (u32)(ioport + offset))
#define TAR_SYNC_MASK (BIT(7)+BIT(6))
#define SYNC_TRYING BIT(6)
#define SYNC_SUPPORTED (BIT(7)+BIT(6))
#define TAR_WIDE_MASK (BIT(5)+BIT(4))
#define WIDE_ENABLED BIT(4)
#define WIDE_NEGOCIATED BIT(5)
#define TAR_TAG_Q_MASK (BIT(3)+BIT(2))
#define TAG_Q_TRYING BIT(2)
#define TAG_Q_REJECT BIT(3)
#define TAR_ALLOW_DISC BIT(0)
#define EE_SYNC_MASK (BIT(0)+BIT(1))
#define EE_SYNC_5MB BIT(0)
#define EE_SYNC_10MB BIT(1)
#define EE_SYNC_20MB (BIT(0)+BIT(1))
#define EE_WIDE_SCSI BIT(7)
struct sccb_mgr_tar_info {
struct sccb *TarSelQ_Head;
struct sccb *TarSelQ_Tail;
unsigned char TarLUN_CA; /*Contingent Allgiance */
unsigned char TarTagQ_Cnt;
unsigned char TarSelQ_Cnt;
unsigned char TarStatus;
unsigned char TarEEValue;
unsigned char TarSyncCtrl;
unsigned char TarReserved[2]; /* for alignment */
unsigned char LunDiscQ_Idx[MAX_LUN];
unsigned char TarLUNBusy[MAX_LUN];
};
struct nvram_info {
unsigned char niModel; /* Model No. of card */
unsigned char niCardNo; /* Card no. */
unsigned long niBaseAddr; /* Port Address of card */
unsigned char niSysConf; /* Adapter Configuration byte - Byte 16 of eeprom map */
unsigned char niScsiConf; /* SCSI Configuration byte - Byte 17 of eeprom map */
unsigned char niScamConf; /* SCAM Configuration byte - Byte 20 of eeprom map */
unsigned char niAdapId; /* Host Adapter ID - Byte 24 of eerpom map */
unsigned char niSyncTbl[MAX_SCSI_TAR / 2]; /* Sync/Wide byte of targets */
unsigned char niScamTbl[MAX_SCSI_TAR][4]; /* Compressed Scam name string of Targets */
};
#define MODEL_LT 1
#define MODEL_DL 2
#define MODEL_LW 3
#define MODEL_DW 4
struct sccb_card {
struct sccb *currentSCCB;
struct sccb_mgr_info *cardInfo;
unsigned long ioPort;
unsigned short cmdCounter;
unsigned char discQCount;
unsigned char tagQ_Lst;
unsigned char cardIndex;
unsigned char scanIndex;
unsigned char globalFlags;
unsigned char ourId;
struct nvram_info *pNvRamInfo;
struct sccb *discQ_Tbl[QUEUE_DEPTH];
};
#define F_TAG_STARTED 0x01
#define F_CONLUN_IO 0x02
#define F_DO_RENEGO 0x04
#define F_NO_FILTER 0x08
#define F_GREEN_PC 0x10
#define F_HOST_XFER_ACT 0x20
#define F_NEW_SCCB_CMD 0x40
#define F_UPDATE_EEPROM 0x80
#define ID_STRING_LENGTH 32
#define TYPE_CODE0 0x63 /*Level2 Mstr (bits 7-6), */
#define SLV_TYPE_CODE0 0xA3 /*Priority Bit set (bits 7-6), */
#define ASSIGN_ID 0x00
#define SET_P_FLAG 0x01
#define CFG_CMPLT 0x03
#define DOM_MSTR 0x0F
#define SYNC_PTRN 0x1F
#define ID_0_7 0x18
#define ID_8_F 0x11
#define MISC_CODE 0x14
#define CLR_P_FLAG 0x18
#define INIT_SELTD 0x01
#define LEVEL2_TAR 0x02
enum scam_id_st { ID0, ID1, ID2, ID3, ID4, ID5, ID6, ID7, ID8, ID9, ID10, ID11,
ID12,
ID13, ID14, ID15, ID_UNUSED, ID_UNASSIGNED, ID_ASSIGNED, LEGACY,
CLR_PRIORITY, NO_ID_AVAIL
};
typedef struct SCCBscam_info {
unsigned char id_string[ID_STRING_LENGTH];
enum scam_id_st state;
} SCCBSCAM_INFO;
#define SCSI_REQUEST_SENSE 0x03
#define SCSI_READ 0x08
#define SCSI_WRITE 0x0A
#define SCSI_START_STOP_UNIT 0x1B
#define SCSI_READ_EXTENDED 0x28
#define SCSI_WRITE_EXTENDED 0x2A
#define SCSI_WRITE_AND_VERIFY 0x2E
#define SSGOOD 0x00
#define SSCHECK 0x02
#define SSQ_FULL 0x28
#define SMCMD_COMP 0x00
#define SMEXT 0x01
#define SMSAVE_DATA_PTR 0x02
#define SMREST_DATA_PTR 0x03
#define SMDISC 0x04
#define SMABORT 0x06
#define SMREJECT 0x07
#define SMNO_OP 0x08
#define SMPARITY 0x09
#define SMDEV_RESET 0x0C
#define SMABORT_TAG 0x0D
#define SMINIT_RECOVERY 0x0F
#define SMREL_RECOVERY 0x10
#define SMIDENT 0x80
#define DISC_PRIV 0x40
#define SMSYNC 0x01
#define SMWDTR 0x03
#define SM8BIT 0x00
#define SM16BIT 0x01
#define SMIGNORWR 0x23 /* Ignore Wide Residue */
#define SIX_BYTE_CMD 0x06
#define TWELVE_BYTE_CMD 0x0C
#define ASYNC 0x00
#define MAX_OFFSET 0x0F /* Maxbyteoffset for Sync Xfers */
#define EEPROM_WD_CNT 256
#define EEPROM_CHECK_SUM 0
#define FW_SIGNATURE 2
#define MODEL_NUMB_0 4
#define MODEL_NUMB_2 6
#define MODEL_NUMB_4 8
#define SYSTEM_CONFIG 16
#define SCSI_CONFIG 17
#define BIOS_CONFIG 18
#define SCAM_CONFIG 20
#define ADAPTER_SCSI_ID 24
#define IGNORE_B_SCAN 32
#define SEND_START_ENA 34
#define DEVICE_ENABLE 36
#define SYNC_RATE_TBL 38
#define SYNC_RATE_TBL01 38
#define SYNC_RATE_TBL23 40
#define SYNC_RATE_TBL45 42
#define SYNC_RATE_TBL67 44
#define SYNC_RATE_TBL89 46
#define SYNC_RATE_TBLab 48
#define SYNC_RATE_TBLcd 50
#define SYNC_RATE_TBLef 52
#define EE_SCAMBASE 256
#define SCAM_ENABLED BIT(2)
#define SCAM_LEVEL2 BIT(3)
#define RENEGO_ENA BIT(10)
#define CONNIO_ENA BIT(11)
#define GREEN_PC_ENA BIT(12)
#define AUTO_RATE_00 00
#define AUTO_RATE_05 01
#define AUTO_RATE_10 02
#define AUTO_RATE_20 03
#define WIDE_NEGO_BIT BIT(7)
#define DISC_ENABLE_BIT BIT(6)
#define hp_vendor_id_0 0x00 /* LSB */
#define ORION_VEND_0 0x4B
#define hp_vendor_id_1 0x01 /* MSB */
#define ORION_VEND_1 0x10
#define hp_device_id_0 0x02 /* LSB */
#define ORION_DEV_0 0x30
#define hp_device_id_1 0x03 /* MSB */
#define ORION_DEV_1 0x81
/* Sub Vendor ID and Sub Device ID only available in
Harpoon Version 2 and higher */
#define hp_sub_device_id_0 0x06 /* LSB */
#define hp_semaphore 0x0C
#define SCCB_MGR_ACTIVE BIT(0)
#define TICKLE_ME BIT(1)
#define SCCB_MGR_PRESENT BIT(3)
#define BIOS_IN_USE BIT(4)
#define hp_sys_ctrl 0x0F
#define STOP_CLK BIT(0) /*Turn off BusMaster Clock */
#define DRVR_RST BIT(1) /*Firmware Reset to 80C15 chip */
#define HALT_MACH BIT(3) /*Halt State Machine */
#define HARD_ABORT BIT(4) /*Hard Abort */
#define hp_host_blk_cnt 0x13
#define XFER_BLK64 0x06 /* 1 1 0 64 byte per block */
#define BM_THRESHOLD 0x40 /* PCI mode can only xfer 16 bytes */
#define hp_int_mask 0x17
#define INT_CMD_COMPL BIT(0) /* DMA command complete */
#define INT_EXT_STATUS BIT(1) /* Extended Status Set */
#define hp_xfer_cnt_lo 0x18
#define hp_xfer_cnt_hi 0x1A
#define hp_xfer_cmd 0x1B
#define XFER_HOST_DMA 0x00 /* 0 0 0 Transfer Host -> DMA */
#define XFER_DMA_HOST 0x01 /* 0 0 1 Transfer DMA -> Host */
#define XFER_HOST_AUTO 0x00 /* 0 0 Auto Transfer Size */
#define XFER_DMA_8BIT 0x20 /* 0 1 8 BIT Transfer Size */
#define DISABLE_INT BIT(7) /*Do not interrupt at end of cmd. */
#define HOST_WRT_CMD ((DISABLE_INT + XFER_HOST_DMA + XFER_HOST_AUTO + XFER_DMA_8BIT))
#define HOST_RD_CMD ((DISABLE_INT + XFER_DMA_HOST + XFER_HOST_AUTO + XFER_DMA_8BIT))
#define hp_host_addr_lo 0x1C
#define hp_host_addr_hmi 0x1E
#define hp_ee_ctrl 0x22
#define EXT_ARB_ACK BIT(7)
#define SCSI_TERM_ENA_H BIT(6) /* SCSI high byte terminator */
#define SEE_MS BIT(5)
#define SEE_CS BIT(3)
#define SEE_CLK BIT(2)
#define SEE_DO BIT(1)
#define SEE_DI BIT(0)
#define EE_READ 0x06
#define EE_WRITE 0x05
#define EWEN 0x04
#define EWEN_ADDR 0x03C0
#define EWDS 0x04
#define EWDS_ADDR 0x0000
#define hp_bm_ctrl 0x26
#define SCSI_TERM_ENA_L BIT(0) /*Enable/Disable external terminators */
#define FLUSH_XFER_CNTR BIT(1) /*Flush transfer counter */
#define FORCE1_XFER BIT(5) /*Always xfer one byte in byte mode */
#define FAST_SINGLE BIT(6) /*?? */
#define BMCTRL_DEFAULT (FORCE1_XFER|FAST_SINGLE|SCSI_TERM_ENA_L)
#define hp_sg_addr 0x28
#define hp_page_ctrl 0x29
#define SCATTER_EN BIT(0)
#define SGRAM_ARAM BIT(1)
#define G_INT_DISABLE BIT(3) /* Enable/Disable all Interrupts */
#define NARROW_SCSI_CARD BIT(4) /* NARROW/WIDE SCSI config pin */
#define hp_pci_stat_cfg 0x2D
#define REC_MASTER_ABORT BIT(5) /*received Master abort */
#define hp_rev_num 0x33
#define hp_stack_data 0x34
#define hp_stack_addr 0x35
#define hp_ext_status 0x36
#define BM_FORCE_OFF BIT(0) /*Bus Master is forced to get off */
#define PCI_TGT_ABORT BIT(0) /*PCI bus master transaction aborted */
#define PCI_DEV_TMOUT BIT(1) /*PCI Device Time out */
#define CMD_ABORTED BIT(4) /*Command aborted */
#define BM_PARITY_ERR BIT(5) /*parity error on data received */
#define PIO_OVERRUN BIT(6) /*Slave data overrun */
#define BM_CMD_BUSY BIT(7) /*Bus master transfer command busy */
#define BAD_EXT_STATUS (BM_FORCE_OFF | PCI_DEV_TMOUT | CMD_ABORTED | \
BM_PARITY_ERR | PIO_OVERRUN)
#define hp_int_status 0x37
#define EXT_STATUS_ON BIT(1) /*Extended status is valid */
#define SCSI_INTERRUPT BIT(2) /*Global indication of a SCSI int. */
#define INT_ASSERTED BIT(5) /* */
#define hp_fifo_cnt 0x38
#define hp_intena 0x40
#define RESET BIT(7)
#define PROG_HLT BIT(6)
#define PARITY BIT(5)
#define FIFO BIT(4)
#define SEL BIT(3)
#define SCAM_SEL BIT(2)
#define RSEL BIT(1)
#define TIMEOUT BIT(0)
#define BUS_FREE BIT(15)
#define XFER_CNT_0 BIT(14)
#define PHASE BIT(13)
#define IUNKWN BIT(12)
#define ICMD_COMP BIT(11)
#define ITICKLE BIT(10)
#define IDO_STRT BIT(9)
#define ITAR_DISC BIT(8)
#define AUTO_INT (BIT(12)+BIT(11)+BIT(10)+BIT(9)+BIT(8))
#define CLR_ALL_INT 0xFFFF
#define CLR_ALL_INT_1 0xFF00
#define hp_intstat 0x42
#define hp_scsisig 0x44
#define SCSI_SEL BIT(7)
#define SCSI_BSY BIT(6)
#define SCSI_REQ BIT(5)
#define SCSI_ACK BIT(4)
#define SCSI_ATN BIT(3)
#define SCSI_CD BIT(2)
#define SCSI_MSG BIT(1)
#define SCSI_IOBIT BIT(0)
#define S_SCSI_PHZ (BIT(2)+BIT(1)+BIT(0))
#define S_MSGO_PH (BIT(2)+BIT(1) )
#define S_MSGI_PH (BIT(2)+BIT(1)+BIT(0))
#define S_DATAI_PH ( BIT(0))
#define S_DATAO_PH 0x00
#define S_ILL_PH ( BIT(1) )
#define hp_scsictrl_0 0x45
#define SEL_TAR BIT(6)
#define ENA_ATN BIT(4)
#define ENA_RESEL BIT(2)
#define SCSI_RST BIT(1)
#define ENA_SCAM_SEL BIT(0)
#define hp_portctrl_0 0x46
#define SCSI_PORT BIT(7)
#define SCSI_INBIT BIT(6)
#define DMA_PORT BIT(5)
#define DMA_RD BIT(4)
#define HOST_PORT BIT(3)
#define HOST_WRT BIT(2)
#define SCSI_BUS_EN BIT(1)
#define START_TO BIT(0)
#define hp_scsireset 0x47
#define SCSI_INI BIT(6)
#define SCAM_EN BIT(5)
#define DMA_RESET BIT(3)
#define HPSCSI_RESET BIT(2)
#define PROG_RESET BIT(1)
#define FIFO_CLR BIT(0)
#define hp_xfercnt_0 0x48
#define hp_xfercnt_2 0x4A
#define hp_fifodata_0 0x4C
#define hp_addstat 0x4E
#define SCAM_TIMER BIT(7)
#define SCSI_MODE8 BIT(3)
#define SCSI_PAR_ERR BIT(0)
#define hp_prgmcnt_0 0x4F
#define hp_selfid_0 0x50
#define hp_selfid_1 0x51
#define hp_arb_id 0x52
#define hp_select_id 0x53
#define hp_synctarg_base 0x54
#define hp_synctarg_12 0x54
#define hp_synctarg_13 0x55
#define hp_synctarg_14 0x56
#define hp_synctarg_15 0x57
#define hp_synctarg_8 0x58
#define hp_synctarg_9 0x59
#define hp_synctarg_10 0x5A
#define hp_synctarg_11 0x5B
#define hp_synctarg_4 0x5C
#define hp_synctarg_5 0x5D
#define hp_synctarg_6 0x5E
#define hp_synctarg_7 0x5F
#define hp_synctarg_0 0x60
#define hp_synctarg_1 0x61
#define hp_synctarg_2 0x62
#define hp_synctarg_3 0x63
#define NARROW_SCSI BIT(4)
#define DEFAULT_OFFSET 0x0F
#define hp_autostart_0 0x64
#define hp_autostart_1 0x65
#define hp_autostart_3 0x67
#define AUTO_IMMED BIT(5)
#define SELECT BIT(6)
#define END_DATA (BIT(7)+BIT(6))
#define hp_gp_reg_0 0x68
#define hp_gp_reg_1 0x69
#define hp_gp_reg_3 0x6B
#define hp_seltimeout 0x6C
#define TO_4ms 0x67 /* 3.9959ms */
#define TO_5ms 0x03 /* 4.9152ms */
#define TO_10ms 0x07 /* 11.xxxms */
#define TO_250ms 0x99 /* 250.68ms */
#define TO_290ms 0xB1 /* 289.99ms */
#define hp_clkctrl_0 0x6D
#define PWR_DWN BIT(6)
#define ACTdeassert BIT(4)
#define CLK_40MHZ (BIT(1) + BIT(0))
#define CLKCTRL_DEFAULT (ACTdeassert | CLK_40MHZ)
#define hp_fiforead 0x6E
#define hp_fifowrite 0x6F
#define hp_offsetctr 0x70
#define hp_xferstat 0x71
#define FIFO_EMPTY BIT(6)
#define hp_portctrl_1 0x72
#define CHK_SCSI_P BIT(3)
#define HOST_MODE8 BIT(0)
#define hp_xfer_pad 0x73
#define ID_UNLOCK BIT(3)
#define hp_scsidata_0 0x74
#define hp_scsidata_1 0x75
#define hp_aramBase 0x80
#define BIOS_DATA_OFFSET 0x60
#define BIOS_RELATIVE_CARD 0x64
#define AR3 (BIT(9) + BIT(8))
#define SDATA BIT(10)
#define CRD_OP BIT(11) /* Cmp Reg. w/ Data */
#define CRR_OP BIT(12) /* Cmp Reg. w. Reg. */
#define CPE_OP (BIT(14)+BIT(11)) /* Cmp SCSI phs & Branch EQ */
#define CPN_OP (BIT(14)+BIT(12)) /* Cmp SCSI phs & Branch NOT EQ */
#define ADATA_OUT 0x00
#define ADATA_IN BIT(8)
#define ACOMMAND BIT(10)
#define ASTATUS (BIT(10)+BIT(8))
#define AMSG_OUT (BIT(10)+BIT(9))
#define AMSG_IN (BIT(10)+BIT(9)+BIT(8))
#define BRH_OP BIT(13) /* Branch */
#define ALWAYS 0x00
#define EQUAL BIT(8)
#define NOT_EQ BIT(9)
#define TCB_OP (BIT(13)+BIT(11)) /* Test condition & branch */
#define FIFO_0 BIT(10)
#define MPM_OP BIT(15) /* Match phase and move data */
#define MRR_OP BIT(14) /* Move DReg. to Reg. */
#define S_IDREG (BIT(2)+BIT(1)+BIT(0))
#define D_AR0 0x00
#define D_AR1 BIT(0)
#define D_BUCKET (BIT(2) + BIT(1) + BIT(0))
#define RAT_OP (BIT(14)+BIT(13)+BIT(11))
#define SSI_OP (BIT(15)+BIT(11))
#define SSI_ITAR_DISC (ITAR_DISC >> 8)
#define SSI_IDO_STRT (IDO_STRT >> 8)
#define SSI_ICMD_COMP (ICMD_COMP >> 8)
#define SSI_ITICKLE (ITICKLE >> 8)
#define SSI_IUNKWN (IUNKWN >> 8)
#define SSI_INO_CC (IUNKWN >> 8)
#define SSI_IRFAIL (IUNKWN >> 8)
#define NP 0x10 /*Next Phase */
#define NTCMD 0x02 /*Non- Tagged Command start */
#define CMDPZ 0x04 /*Command phase */
#define DINT 0x12 /*Data Out/In interrupt */
#define DI 0x13 /*Data Out */
#define DC 0x19 /*Disconnect Message */
#define ST 0x1D /*Status Phase */
#define UNKNWN 0x24 /*Unknown bus action */
#define CC 0x25 /*Command Completion failure */
#define TICK 0x26 /*New target reselected us. */
#define SELCHK 0x28 /*Select & Check SCSI ID latch reg */
#define ID_MSG_STRT hp_aramBase + 0x00
#define NON_TAG_ID_MSG hp_aramBase + 0x06
#define CMD_STRT hp_aramBase + 0x08
#define SYNC_MSGS hp_aramBase + 0x08
#define TAG_STRT 0x00
#define DISCONNECT_START 0x10/2
#define END_DATA_START 0x14/2
#define CMD_ONLY_STRT CMDPZ/2
#define SELCHK_STRT SELCHK/2
#define GET_XFER_CNT(port, xfercnt) {RD_HARP32(port,hp_xfercnt_0,xfercnt); xfercnt &= 0xFFFFFF;}
/* #define GET_XFER_CNT(port, xfercnt) (xfercnt = RD_HARPOON(port+hp_xfercnt_2), \
xfercnt <<= 16,\
xfercnt |= RDW_HARPOON((unsigned short)(port+hp_xfercnt_0)))
*/
#define HP_SETUP_ADDR_CNT(port,addr,count) (WRW_HARPOON((port+hp_host_addr_lo), (unsigned short)(addr & 0x0000FFFFL)),\
addr >>= 16,\
WRW_HARPOON((port+hp_host_addr_hmi), (unsigned short)(addr & 0x0000FFFFL)),\
WR_HARP32(port,hp_xfercnt_0,count),\
WRW_HARPOON((port+hp_xfer_cnt_lo), (unsigned short)(count & 0x0000FFFFL)),\
count >>= 16,\
WR_HARPOON(port+hp_xfer_cnt_hi, (count & 0xFF)))
#define ACCEPT_MSG(port) {while(RD_HARPOON(port+hp_scsisig) & SCSI_REQ){}\
WR_HARPOON(port+hp_scsisig, S_ILL_PH);}
#define ACCEPT_MSG_ATN(port) {while(RD_HARPOON(port+hp_scsisig) & SCSI_REQ){}\
WR_HARPOON(port+hp_scsisig, (S_ILL_PH|SCSI_ATN));}
#define DISABLE_AUTO(port) (WR_HARPOON(port+hp_scsireset, PROG_RESET),\
WR_HARPOON(port+hp_scsireset, 0x00))
#define ARAM_ACCESS(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \
(RD_HARPOON(p_port+hp_page_ctrl) | SGRAM_ARAM)))
#define SGRAM_ACCESS(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \
(RD_HARPOON(p_port+hp_page_ctrl) & ~SGRAM_ARAM)))
#define MDISABLE_INT(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \
(RD_HARPOON(p_port+hp_page_ctrl) | G_INT_DISABLE)))
#define MENABLE_INT(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \
(RD_HARPOON(p_port+hp_page_ctrl) & ~G_INT_DISABLE)))
static unsigned char FPT_sisyncn(unsigned long port, unsigned char p_card,
unsigned char syncFlag);
static void FPT_ssel(unsigned long port, unsigned char p_card);
static void FPT_sres(unsigned long port, unsigned char p_card,
struct sccb_card *pCurrCard);
static void FPT_shandem(unsigned long port, unsigned char p_card,
struct sccb *pCurrSCCB);
static void FPT_stsyncn(unsigned long port, unsigned char p_card);
static void FPT_sisyncr(unsigned long port, unsigned char sync_pulse,
unsigned char offset);
static void FPT_sssyncv(unsigned long p_port, unsigned char p_id,
unsigned char p_sync_value,
struct sccb_mgr_tar_info *currTar_Info);
static void FPT_sresb(unsigned long port, unsigned char p_card);
static void FPT_sxfrp(unsigned long p_port, unsigned char p_card);
static void FPT_schkdd(unsigned long port, unsigned char p_card);
static unsigned char FPT_RdStack(unsigned long port, unsigned char index);
static void FPT_WrStack(unsigned long portBase, unsigned char index,
unsigned char data);
static unsigned char FPT_ChkIfChipInitialized(unsigned long ioPort);
static void FPT_SendMsg(unsigned long port, unsigned char message);
static void FPT_queueFlushTargSccb(unsigned char p_card, unsigned char thisTarg,
unsigned char error_code);
static void FPT_sinits(struct sccb *p_sccb, unsigned char p_card);
static void FPT_RNVRamData(struct nvram_info *pNvRamInfo);
static unsigned char FPT_siwidn(unsigned long port, unsigned char p_card);
static void FPT_stwidn(unsigned long port, unsigned char p_card);
static void FPT_siwidr(unsigned long port, unsigned char width);
static void FPT_queueSelectFail(struct sccb_card *pCurrCard,
unsigned char p_card);
static void FPT_queueDisconnect(struct sccb *p_SCCB, unsigned char p_card);
static void FPT_queueCmdComplete(struct sccb_card *pCurrCard,
struct sccb *p_SCCB, unsigned char p_card);
static void FPT_queueSearchSelect(struct sccb_card *pCurrCard,
unsigned char p_card);
static void FPT_queueFlushSccb(unsigned char p_card, unsigned char error_code);
static void FPT_queueAddSccb(struct sccb *p_SCCB, unsigned char card);
static unsigned char FPT_queueFindSccb(struct sccb *p_SCCB,
unsigned char p_card);
static void FPT_utilUpdateResidual(struct sccb *p_SCCB);
static unsigned short FPT_CalcCrc16(unsigned char buffer[]);
static unsigned char FPT_CalcLrc(unsigned char buffer[]);
static void FPT_Wait1Second(unsigned long p_port);
static void FPT_Wait(unsigned long p_port, unsigned char p_delay);
static void FPT_utilEEWriteOnOff(unsigned long p_port, unsigned char p_mode);
static void FPT_utilEEWrite(unsigned long p_port, unsigned short ee_data,
unsigned short ee_addr);
static unsigned short FPT_utilEERead(unsigned long p_port,
unsigned short ee_addr);
static unsigned short FPT_utilEEReadOrg(unsigned long p_port,
unsigned short ee_addr);
static void FPT_utilEESendCmdAddr(unsigned long p_port, unsigned char ee_cmd,
unsigned short ee_addr);
static void FPT_phaseDataOut(unsigned long port, unsigned char p_card);
static void FPT_phaseDataIn(unsigned long port, unsigned char p_card);
static void FPT_phaseCommand(unsigned long port, unsigned char p_card);
static void FPT_phaseStatus(unsigned long port, unsigned char p_card);
static void FPT_phaseMsgOut(unsigned long port, unsigned char p_card);
static void FPT_phaseMsgIn(unsigned long port, unsigned char p_card);
static void FPT_phaseIllegal(unsigned long port, unsigned char p_card);
static void FPT_phaseDecode(unsigned long port, unsigned char p_card);
static void FPT_phaseChkFifo(unsigned long port, unsigned char p_card);
static void FPT_phaseBusFree(unsigned long p_port, unsigned char p_card);
static void FPT_XbowInit(unsigned long port, unsigned char scamFlg);
static void FPT_BusMasterInit(unsigned long p_port);
static void FPT_DiagEEPROM(unsigned long p_port);
static void FPT_dataXferProcessor(unsigned long port,
struct sccb_card *pCurrCard);
static void FPT_busMstrSGDataXferStart(unsigned long port,
struct sccb *pCurrSCCB);
static void FPT_busMstrDataXferStart(unsigned long port,
struct sccb *pCurrSCCB);
static void FPT_hostDataXferAbort(unsigned long port, unsigned char p_card,
struct sccb *pCurrSCCB);
static void FPT_hostDataXferRestart(struct sccb *currSCCB);
static unsigned char FPT_SccbMgr_bad_isr(unsigned long p_port,
unsigned char p_card,
struct sccb_card *pCurrCard,
unsigned short p_int);
static void FPT_SccbMgrTableInitAll(void);
static void FPT_SccbMgrTableInitCard(struct sccb_card *pCurrCard,
unsigned char p_card);
static void FPT_SccbMgrTableInitTarget(unsigned char p_card,
unsigned char target);
static void FPT_scini(unsigned char p_card, unsigned char p_our_id,
unsigned char p_power_up);
static int FPT_scarb(unsigned long p_port, unsigned char p_sel_type);
static void FPT_scbusf(unsigned long p_port);
static void FPT_scsel(unsigned long p_port);
static void FPT_scasid(unsigned char p_card, unsigned long p_port);
static unsigned char FPT_scxferc(unsigned long p_port, unsigned char p_data);
static unsigned char FPT_scsendi(unsigned long p_port,
unsigned char p_id_string[]);
static unsigned char FPT_sciso(unsigned long p_port,
unsigned char p_id_string[]);
static void FPT_scwirod(unsigned long p_port, unsigned char p_data_bit);
static void FPT_scwiros(unsigned long p_port, unsigned char p_data_bit);
static unsigned char FPT_scvalq(unsigned char p_quintet);
static unsigned char FPT_scsell(unsigned long p_port, unsigned char targ_id);
static void FPT_scwtsel(unsigned long p_port);
static void FPT_inisci(unsigned char p_card, unsigned long p_port,
unsigned char p_our_id);
static void FPT_scsavdi(unsigned char p_card, unsigned long p_port);
static unsigned char FPT_scmachid(unsigned char p_card,
unsigned char p_id_string[]);
static void FPT_autoCmdCmplt(unsigned long p_port, unsigned char p_card);
static void FPT_autoLoadDefaultMap(unsigned long p_port);
static struct sccb_mgr_tar_info FPT_sccbMgrTbl[MAX_CARDS][MAX_SCSI_TAR] =
{ {{0}} };
static struct sccb_card FPT_BL_Card[MAX_CARDS] = { {0} };
static SCCBSCAM_INFO FPT_scamInfo[MAX_SCSI_TAR] = { {{0}} };
static struct nvram_info FPT_nvRamInfo[MAX_MB_CARDS] = { {0} };
static unsigned char FPT_mbCards = 0;
static unsigned char FPT_scamHAString[] =
{ 0x63, 0x07, 'B', 'U', 'S', 'L', 'O', 'G', 'I', 'C',
' ', 'B', 'T', '-', '9', '3', '0',
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20
};
static unsigned short FPT_default_intena = 0;
static void (*FPT_s_PhaseTbl[8]) (unsigned long, unsigned char) = {
0};
/*---------------------------------------------------------------------
*
* Function: FlashPoint_ProbeHostAdapter
*
* Description: Setup and/or Search for cards and return info to caller.
*
*---------------------------------------------------------------------*/
static int FlashPoint_ProbeHostAdapter(struct sccb_mgr_info *pCardInfo)
{
static unsigned char first_time = 1;
unsigned char i, j, id, ScamFlg;
unsigned short temp, temp2, temp3, temp4, temp5, temp6;
unsigned long ioport;
struct nvram_info *pCurrNvRam;
ioport = pCardInfo->si_baseaddr;
if (RD_HARPOON(ioport + hp_vendor_id_0) != ORION_VEND_0)
return (int)FAILURE;
if ((RD_HARPOON(ioport + hp_vendor_id_1) != ORION_VEND_1))
return (int)FAILURE;
if ((RD_HARPOON(ioport + hp_device_id_0) != ORION_DEV_0))
return (int)FAILURE;
if ((RD_HARPOON(ioport + hp_device_id_1) != ORION_DEV_1))
return (int)FAILURE;
if (RD_HARPOON(ioport + hp_rev_num) != 0x0f) {
/* For new Harpoon then check for sub_device ID LSB
the bits(0-3) must be all ZERO for compatible with
current version of SCCBMgr, else skip this Harpoon
device. */
if (RD_HARPOON(ioport + hp_sub_device_id_0) & 0x0f)
return (int)FAILURE;
}
if (first_time) {
FPT_SccbMgrTableInitAll();
first_time = 0;
FPT_mbCards = 0;
}
if (FPT_RdStack(ioport, 0) != 0x00) {
if (FPT_ChkIfChipInitialized(ioport) == 0) {
pCurrNvRam = NULL;
WR_HARPOON(ioport + hp_semaphore, 0x00);
FPT_XbowInit(ioport, 0); /*Must Init the SCSI before attempting */
FPT_DiagEEPROM(ioport);
} else {
if (FPT_mbCards < MAX_MB_CARDS) {
pCurrNvRam = &FPT_nvRamInfo[FPT_mbCards];
FPT_mbCards++;
pCurrNvRam->niBaseAddr = ioport;
FPT_RNVRamData(pCurrNvRam);
} else
return (int)FAILURE;
}
} else
pCurrNvRam = NULL;
WR_HARPOON(ioport + hp_clkctrl_0, CLKCTRL_DEFAULT);
WR_HARPOON(ioport + hp_sys_ctrl, 0x00);
if (pCurrNvRam)
pCardInfo->si_id = pCurrNvRam->niAdapId;
else
pCardInfo->si_id =
(unsigned
char)(FPT_utilEERead(ioport,
(ADAPTER_SCSI_ID /
2)) & (unsigned char)0x0FF);
pCardInfo->si_lun = 0x00;
pCardInfo->si_fw_revision = ORION_FW_REV;
temp2 = 0x0000;
temp3 = 0x0000;
temp4 = 0x0000;
temp5 = 0x0000;
temp6 = 0x0000;
for (id = 0; id < (16 / 2); id++) {
if (pCurrNvRam) {
temp = (unsigned short)pCurrNvRam->niSyncTbl[id];
temp = ((temp & 0x03) + ((temp << 4) & 0xc0)) +
(((temp << 4) & 0x0300) + ((temp << 8) & 0xc000));
} else
temp =
FPT_utilEERead(ioport,
(unsigned short)((SYNC_RATE_TBL / 2)
+ id));
for (i = 0; i < 2; temp >>= 8, i++) {
temp2 >>= 1;
temp3 >>= 1;
temp4 >>= 1;
temp5 >>= 1;
temp6 >>= 1;
switch (temp & 0x3) {
case AUTO_RATE_20: /* Synchronous, 20 mega-transfers/second */
temp6 |= 0x8000; /* Fall through */
case AUTO_RATE_10: /* Synchronous, 10 mega-transfers/second */
temp5 |= 0x8000; /* Fall through */
case AUTO_RATE_05: /* Synchronous, 5 mega-transfers/second */
temp2 |= 0x8000; /* Fall through */
case AUTO_RATE_00: /* Asynchronous */
break;
}
if (temp & DISC_ENABLE_BIT)
temp3 |= 0x8000;
if (temp & WIDE_NEGO_BIT)
temp4 |= 0x8000;
}
}
pCardInfo->si_per_targ_init_sync = temp2;
pCardInfo->si_per_targ_no_disc = temp3;
pCardInfo->si_per_targ_wide_nego = temp4;
pCardInfo->si_per_targ_fast_nego = temp5;
pCardInfo->si_per_targ_ultra_nego = temp6;
if (pCurrNvRam)
i = pCurrNvRam->niSysConf;
else
i = (unsigned
char)(FPT_utilEERead(ioport, (SYSTEM_CONFIG / 2)));
if (pCurrNvRam)
ScamFlg = pCurrNvRam->niScamConf;
else
ScamFlg =
(unsigned char)FPT_utilEERead(ioport, SCAM_CONFIG / 2);
pCardInfo->si_flags = 0x0000;
if (i & 0x01)
pCardInfo->si_flags |= SCSI_PARITY_ENA;
if (!(i & 0x02))
pCardInfo->si_flags |= SOFT_RESET;
if (i & 0x10)
pCardInfo->si_flags |= EXTENDED_TRANSLATION;
if (ScamFlg & SCAM_ENABLED)
pCardInfo->si_flags |= FLAG_SCAM_ENABLED;
if (ScamFlg & SCAM_LEVEL2)
pCardInfo->si_flags |= FLAG_SCAM_LEVEL2;
j = (RD_HARPOON(ioport + hp_bm_ctrl) & ~SCSI_TERM_ENA_L);
if (i & 0x04) {
j |= SCSI_TERM_ENA_L;
}
WR_HARPOON(ioport + hp_bm_ctrl, j);
j = (RD_HARPOON(ioport + hp_ee_ctrl) & ~SCSI_TERM_ENA_H);
if (i & 0x08) {
j |= SCSI_TERM_ENA_H;
}
WR_HARPOON(ioport + hp_ee_ctrl, j);
if (!(RD_HARPOON(ioport + hp_page_ctrl) & NARROW_SCSI_CARD))
pCardInfo->si_flags |= SUPPORT_16TAR_32LUN;
pCardInfo->si_card_family = HARPOON_FAMILY;
pCardInfo->si_bustype = BUSTYPE_PCI;
if (pCurrNvRam) {
pCardInfo->si_card_model[0] = '9';
switch (pCurrNvRam->niModel & 0x0f) {
case MODEL_LT:
pCardInfo->si_card_model[1] = '3';
pCardInfo->si_card_model[2] = '0';
break;
case MODEL_LW:
pCardInfo->si_card_model[1] = '5';
pCardInfo->si_card_model[2] = '0';
break;
case MODEL_DL:
pCardInfo->si_card_model[1] = '3';
pCardInfo->si_card_model[2] = '2';
break;
case MODEL_DW:
pCardInfo->si_card_model[1] = '5';
pCardInfo->si_card_model[2] = '2';
break;
}
} else {
temp = FPT_utilEERead(ioport, (MODEL_NUMB_0 / 2));
pCardInfo->si_card_model[0] = (unsigned char)(temp >> 8);
temp = FPT_utilEERead(ioport, (MODEL_NUMB_2 / 2));
pCardInfo->si_card_model[1] = (unsigned char)(temp & 0x00FF);
pCardInfo->si_card_model[2] = (unsigned char)(temp >> 8);
}
if (pCardInfo->si_card_model[1] == '3') {
if (RD_HARPOON(ioport + hp_ee_ctrl) & BIT(7))
pCardInfo->si_flags |= LOW_BYTE_TERM;
} else if (pCardInfo->si_card_model[2] == '0') {
temp = RD_HARPOON(ioport + hp_xfer_pad);
WR_HARPOON(ioport + hp_xfer_pad, (temp & ~BIT(4)));
if (RD_HARPOON(ioport + hp_ee_ctrl) & BIT(7))
pCardInfo->si_flags |= LOW_BYTE_TERM;
WR_HARPOON(ioport + hp_xfer_pad, (temp | BIT(4)));
if (RD_HARPOON(ioport + hp_ee_ctrl) & BIT(7))
pCardInfo->si_flags |= HIGH_BYTE_TERM;
WR_HARPOON(ioport + hp_xfer_pad, temp);
} else {
temp = RD_HARPOON(ioport + hp_ee_ctrl);
temp2 = RD_HARPOON(ioport + hp_xfer_pad);
WR_HARPOON(ioport + hp_ee_ctrl, (temp | SEE_CS));
WR_HARPOON(ioport + hp_xfer_pad, (temp2 | BIT(4)));
temp3 = 0;
for (i = 0; i < 8; i++) {
temp3 <<= 1;
if (!(RD_HARPOON(ioport + hp_ee_ctrl) & BIT(7)))
temp3 |= 1;
WR_HARPOON(ioport + hp_xfer_pad, (temp2 & ~BIT(4)));
WR_HARPOON(ioport + hp_xfer_pad, (temp2 | BIT(4)));
}
WR_HARPOON(ioport + hp_ee_ctrl, temp);
WR_HARPOON(ioport + hp_xfer_pad, temp2);
if (!(temp3 & BIT(7)))
pCardInfo->si_flags |= LOW_BYTE_TERM;
if (!(temp3 & BIT(6)))
pCardInfo->si_flags |= HIGH_BYTE_TERM;
}
ARAM_ACCESS(ioport);
for (i = 0; i < 4; i++) {
pCardInfo->si_XlatInfo[i] =
RD_HARPOON(ioport + hp_aramBase + BIOS_DATA_OFFSET + i);
}
/* return with -1 if no sort, else return with
logical card number sorted by BIOS (zero-based) */
pCardInfo->si_relative_cardnum =
(unsigned
char)(RD_HARPOON(ioport + hp_aramBase + BIOS_RELATIVE_CARD) - 1);
SGRAM_ACCESS(ioport);
FPT_s_PhaseTbl[0] = FPT_phaseDataOut;
FPT_s_PhaseTbl[1] = FPT_phaseDataIn;
FPT_s_PhaseTbl[2] = FPT_phaseIllegal;
FPT_s_PhaseTbl[3] = FPT_phaseIllegal;
FPT_s_PhaseTbl[4] = FPT_phaseCommand;
FPT_s_PhaseTbl[5] = FPT_phaseStatus;
FPT_s_PhaseTbl[6] = FPT_phaseMsgOut;
FPT_s_PhaseTbl[7] = FPT_phaseMsgIn;
pCardInfo->si_present = 0x01;
return 0;
}
/*---------------------------------------------------------------------
*
* Function: FlashPoint_HardwareResetHostAdapter
*
* Description: Setup adapter for normal operation (hard reset).
*
*---------------------------------------------------------------------*/
static unsigned long FlashPoint_HardwareResetHostAdapter(struct sccb_mgr_info
*pCardInfo)
{
struct sccb_card *CurrCard = NULL;
struct nvram_info *pCurrNvRam;
unsigned char i, j, thisCard, ScamFlg;
unsigned short temp, sync_bit_map, id;
unsigned long ioport;
ioport = pCardInfo->si_baseaddr;
for (thisCard = 0; thisCard <= MAX_CARDS; thisCard++) {
if (thisCard == MAX_CARDS) {
return FAILURE;
}
if (FPT_BL_Card[thisCard].ioPort == ioport) {
CurrCard = &FPT_BL_Card[thisCard];
FPT_SccbMgrTableInitCard(CurrCard, thisCard);
break;
}
else if (FPT_BL_Card[thisCard].ioPort == 0x00) {
FPT_BL_Card[thisCard].ioPort = ioport;
CurrCard = &FPT_BL_Card[thisCard];
if (FPT_mbCards)
for (i = 0; i < FPT_mbCards; i++) {
if (CurrCard->ioPort ==
FPT_nvRamInfo[i].niBaseAddr)
CurrCard->pNvRamInfo =
&FPT_nvRamInfo[i];
}
FPT_SccbMgrTableInitCard(CurrCard, thisCard);
CurrCard->cardIndex = thisCard;
CurrCard->cardInfo = pCardInfo;
break;
}
}
pCurrNvRam = CurrCard->pNvRamInfo;
if (pCurrNvRam) {
ScamFlg = pCurrNvRam->niScamConf;
} else {
ScamFlg =
(unsigned char)FPT_utilEERead(ioport, SCAM_CONFIG / 2);
}
FPT_BusMasterInit(ioport);
FPT_XbowInit(ioport, ScamFlg);
FPT_autoLoadDefaultMap(ioport);
for (i = 0, id = 0x01; i != pCardInfo->si_id; i++, id <<= 1) {
}
WR_HARPOON(ioport + hp_selfid_0, id);
WR_HARPOON(ioport + hp_selfid_1, 0x00);
WR_HARPOON(ioport + hp_arb_id, pCardInfo->si_id);
CurrCard->ourId = pCardInfo->si_id;
i = (unsigned char)pCardInfo->si_flags;
if (i & SCSI_PARITY_ENA)
WR_HARPOON(ioport + hp_portctrl_1, (HOST_MODE8 | CHK_SCSI_P));
j = (RD_HARPOON(ioport + hp_bm_ctrl) & ~SCSI_TERM_ENA_L);
if (i & LOW_BYTE_TERM)
j |= SCSI_TERM_ENA_L;
WR_HARPOON(ioport + hp_bm_ctrl, j);
j = (RD_HARPOON(ioport + hp_ee_ctrl) & ~SCSI_TERM_ENA_H);
if (i & HIGH_BYTE_TERM)
j |= SCSI_TERM_ENA_H;
WR_HARPOON(ioport + hp_ee_ctrl, j);
if (!(pCardInfo->si_flags & SOFT_RESET)) {
FPT_sresb(ioport, thisCard);
FPT_scini(thisCard, pCardInfo->si_id, 0);
}
if (pCardInfo->si_flags & POST_ALL_UNDERRRUNS)
CurrCard->globalFlags |= F_NO_FILTER;
if (pCurrNvRam) {
if (pCurrNvRam->niSysConf & 0x10)
CurrCard->globalFlags |= F_GREEN_PC;
} else {
if (FPT_utilEERead(ioport, (SYSTEM_CONFIG / 2)) & GREEN_PC_ENA)
CurrCard->globalFlags |= F_GREEN_PC;
}
/* Set global flag to indicate Re-Negotiation to be done on all
ckeck condition */
if (pCurrNvRam) {
if (pCurrNvRam->niScsiConf & 0x04)
CurrCard->globalFlags |= F_DO_RENEGO;
} else {
if (FPT_utilEERead(ioport, (SCSI_CONFIG / 2)) & RENEGO_ENA)
CurrCard->globalFlags |= F_DO_RENEGO;
}
if (pCurrNvRam) {
if (pCurrNvRam->niScsiConf & 0x08)
CurrCard->globalFlags |= F_CONLUN_IO;
} else {
if (FPT_utilEERead(ioport, (SCSI_CONFIG / 2)) & CONNIO_ENA)
CurrCard->globalFlags |= F_CONLUN_IO;
}
temp = pCardInfo->si_per_targ_no_disc;
for (i = 0, id = 1; i < MAX_SCSI_TAR; i++, id <<= 1) {
if (temp & id)
FPT_sccbMgrTbl[thisCard][i].TarStatus |= TAR_ALLOW_DISC;
}
sync_bit_map = 0x0001;
for (id = 0; id < (MAX_SCSI_TAR / 2); id++) {
if (pCurrNvRam) {
temp = (unsigned short)pCurrNvRam->niSyncTbl[id];
temp = ((temp & 0x03) + ((temp << 4) & 0xc0)) +
(((temp << 4) & 0x0300) + ((temp << 8) & 0xc000));
} else
temp =
FPT_utilEERead(ioport,
(unsigned short)((SYNC_RATE_TBL / 2)
+ id));
for (i = 0; i < 2; temp >>= 8, i++) {
if (pCardInfo->si_per_targ_init_sync & sync_bit_map) {
FPT_sccbMgrTbl[thisCard][id * 2 +
i].TarEEValue =
(unsigned char)temp;
}
else {
FPT_sccbMgrTbl[thisCard][id * 2 +
i].TarStatus |=
SYNC_SUPPORTED;
FPT_sccbMgrTbl[thisCard][id * 2 +
i].TarEEValue =
(unsigned char)(temp & ~EE_SYNC_MASK);
}
/* if ((pCardInfo->si_per_targ_wide_nego & sync_bit_map) ||
(id*2+i >= 8)){
*/
if (pCardInfo->si_per_targ_wide_nego & sync_bit_map) {
FPT_sccbMgrTbl[thisCard][id * 2 +
i].TarEEValue |=
EE_WIDE_SCSI;
}
else { /* NARROW SCSI */
FPT_sccbMgrTbl[thisCard][id * 2 +
i].TarStatus |=
WIDE_NEGOCIATED;
}
sync_bit_map <<= 1;
}
}
WR_HARPOON((ioport + hp_semaphore),
(unsigned char)(RD_HARPOON((ioport + hp_semaphore)) |
SCCB_MGR_PRESENT));
return (unsigned long)CurrCard;
}
static void FlashPoint_ReleaseHostAdapter(unsigned long pCurrCard)
{
unsigned char i;
unsigned long portBase;
unsigned long regOffset;
unsigned long scamData;
unsigned long *pScamTbl;
struct nvram_info *pCurrNvRam;
pCurrNvRam = ((struct sccb_card *)pCurrCard)->pNvRamInfo;
if (pCurrNvRam) {
FPT_WrStack(pCurrNvRam->niBaseAddr, 0, pCurrNvRam->niModel);
FPT_WrStack(pCurrNvRam->niBaseAddr, 1, pCurrNvRam->niSysConf);
FPT_WrStack(pCurrNvRam->niBaseAddr, 2, pCurrNvRam->niScsiConf);
FPT_WrStack(pCurrNvRam->niBaseAddr, 3, pCurrNvRam->niScamConf);
FPT_WrStack(pCurrNvRam->niBaseAddr, 4, pCurrNvRam->niAdapId);
for (i = 0; i < MAX_SCSI_TAR / 2; i++)
FPT_WrStack(pCurrNvRam->niBaseAddr,
(unsigned char)(i + 5),
pCurrNvRam->niSyncTbl[i]);
portBase = pCurrNvRam->niBaseAddr;
for (i = 0; i < MAX_SCSI_TAR; i++) {
regOffset = hp_aramBase + 64 + i * 4;
pScamTbl = (unsigned long *)&pCurrNvRam->niScamTbl[i];
scamData = *pScamTbl;
WR_HARP32(portBase, regOffset, scamData);
}
} else {
FPT_WrStack(((struct sccb_card *)pCurrCard)->ioPort, 0, 0);
}
}
static void FPT_RNVRamData(struct nvram_info *pNvRamInfo)
{
unsigned char i;
unsigned long portBase;
unsigned long regOffset;
unsigned long scamData;
unsigned long *pScamTbl;
pNvRamInfo->niModel = FPT_RdStack(pNvRamInfo->niBaseAddr, 0);
pNvRamInfo->niSysConf = FPT_RdStack(pNvRamInfo->niBaseAddr, 1);
pNvRamInfo->niScsiConf = FPT_RdStack(pNvRamInfo->niBaseAddr, 2);
pNvRamInfo->niScamConf = FPT_RdStack(pNvRamInfo->niBaseAddr, 3);
pNvRamInfo->niAdapId = FPT_RdStack(pNvRamInfo->niBaseAddr, 4);
for (i = 0; i < MAX_SCSI_TAR / 2; i++)
pNvRamInfo->niSyncTbl[i] =
FPT_RdStack(pNvRamInfo->niBaseAddr, (unsigned char)(i + 5));
portBase = pNvRamInfo->niBaseAddr;
for (i = 0; i < MAX_SCSI_TAR; i++) {
regOffset = hp_aramBase + 64 + i * 4;
RD_HARP32(portBase, regOffset, scamData);
pScamTbl = (unsigned long *)&pNvRamInfo->niScamTbl[i];
*pScamTbl = scamData;
}
}
static unsigned char FPT_RdStack(unsigned long portBase, unsigned char index)
{
WR_HARPOON(portBase + hp_stack_addr, index);
return RD_HARPOON(portBase + hp_stack_data);
}
static void FPT_WrStack(unsigned long portBase, unsigned char index,
unsigned char data)
{
WR_HARPOON(portBase + hp_stack_addr, index);
WR_HARPOON(portBase + hp_stack_data, data);
}
static unsigned char FPT_ChkIfChipInitialized(unsigned long ioPort)
{
if ((RD_HARPOON(ioPort + hp_arb_id) & 0x0f) != FPT_RdStack(ioPort, 4))
return 0;
if ((RD_HARPOON(ioPort + hp_clkctrl_0) & CLKCTRL_DEFAULT)
!= CLKCTRL_DEFAULT)
return 0;
if ((RD_HARPOON(ioPort + hp_seltimeout) == TO_250ms) ||
(RD_HARPOON(ioPort + hp_seltimeout) == TO_290ms))
return 1;
return 0;
}
/*---------------------------------------------------------------------
*
* Function: FlashPoint_StartCCB
*
* Description: Start a command pointed to by p_Sccb. When the
* command is completed it will be returned via the
* callback function.
*
*---------------------------------------------------------------------*/
static void FlashPoint_StartCCB(unsigned long pCurrCard, struct sccb *p_Sccb)
{
unsigned long ioport;
unsigned char thisCard, lun;
struct sccb *pSaveSccb;
CALL_BK_FN callback;
thisCard = ((struct sccb_card *)pCurrCard)->cardIndex;
ioport = ((struct sccb_card *)pCurrCard)->ioPort;
if ((p_Sccb->TargID >= MAX_SCSI_TAR) || (p_Sccb->Lun >= MAX_LUN)) {
p_Sccb->HostStatus = SCCB_COMPLETE;
p_Sccb->SccbStatus = SCCB_ERROR;
callback = (CALL_BK_FN) p_Sccb->SccbCallback;
if (callback)
callback(p_Sccb);
return;
}
FPT_sinits(p_Sccb, thisCard);
if (!((struct sccb_card *)pCurrCard)->cmdCounter) {
WR_HARPOON(ioport + hp_semaphore,
(RD_HARPOON(ioport + hp_semaphore)
| SCCB_MGR_ACTIVE));
if (((struct sccb_card *)pCurrCard)->globalFlags & F_GREEN_PC) {
WR_HARPOON(ioport + hp_clkctrl_0, CLKCTRL_DEFAULT);
WR_HARPOON(ioport + hp_sys_ctrl, 0x00);
}
}
((struct sccb_card *)pCurrCard)->cmdCounter++;
if (RD_HARPOON(ioport + hp_semaphore) & BIOS_IN_USE) {
WR_HARPOON(ioport + hp_semaphore,
(RD_HARPOON(ioport + hp_semaphore)
| TICKLE_ME));
if (p_Sccb->OperationCode == RESET_COMMAND) {
pSaveSccb =
((struct sccb_card *)pCurrCard)->currentSCCB;
((struct sccb_card *)pCurrCard)->currentSCCB = p_Sccb;
FPT_queueSelectFail(&FPT_BL_Card[thisCard], thisCard);
((struct sccb_card *)pCurrCard)->currentSCCB =
pSaveSccb;
} else {
FPT_queueAddSccb(p_Sccb, thisCard);
}
}
else if ((RD_HARPOON(ioport + hp_page_ctrl) & G_INT_DISABLE)) {
if (p_Sccb->OperationCode == RESET_COMMAND) {
pSaveSccb =
((struct sccb_card *)pCurrCard)->currentSCCB;
((struct sccb_card *)pCurrCard)->currentSCCB = p_Sccb;
FPT_queueSelectFail(&FPT_BL_Card[thisCard], thisCard);
((struct sccb_card *)pCurrCard)->currentSCCB =
pSaveSccb;
} else {
FPT_queueAddSccb(p_Sccb, thisCard);
}
}
else {
MDISABLE_INT(ioport);
if ((((struct sccb_card *)pCurrCard)->globalFlags & F_CONLUN_IO)
&&
((FPT_sccbMgrTbl[thisCard][p_Sccb->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))
lun = p_Sccb->Lun;
else
lun = 0;
if ((((struct sccb_card *)pCurrCard)->currentSCCB == NULL) &&
(FPT_sccbMgrTbl[thisCard][p_Sccb->TargID].TarSelQ_Cnt == 0)
&& (FPT_sccbMgrTbl[thisCard][p_Sccb->TargID].TarLUNBusy[lun]
== 0)) {
((struct sccb_card *)pCurrCard)->currentSCCB = p_Sccb;
FPT_ssel(p_Sccb->SccbIOPort, thisCard);
}
else {
if (p_Sccb->OperationCode == RESET_COMMAND) {
pSaveSccb =
((struct sccb_card *)pCurrCard)->
currentSCCB;
((struct sccb_card *)pCurrCard)->currentSCCB =
p_Sccb;
FPT_queueSelectFail(&FPT_BL_Card[thisCard],
thisCard);
((struct sccb_card *)pCurrCard)->currentSCCB =
pSaveSccb;
} else {
FPT_queueAddSccb(p_Sccb, thisCard);
}
}
MENABLE_INT(ioport);
}
}
/*---------------------------------------------------------------------
*
* Function: FlashPoint_AbortCCB
*
* Description: Abort the command pointed to by p_Sccb. When the
* command is completed it will be returned via the
* callback function.
*
*---------------------------------------------------------------------*/
static int FlashPoint_AbortCCB(unsigned long pCurrCard, struct sccb *p_Sccb)
{
unsigned long ioport;
unsigned char thisCard;
CALL_BK_FN callback;
unsigned char TID;
struct sccb *pSaveSCCB;
struct sccb_mgr_tar_info *currTar_Info;
ioport = ((struct sccb_card *)pCurrCard)->ioPort;
thisCard = ((struct sccb_card *)pCurrCard)->cardIndex;
if (!(RD_HARPOON(ioport + hp_page_ctrl) & G_INT_DISABLE)) {
if (FPT_queueFindSccb(p_Sccb, thisCard)) {
((struct sccb_card *)pCurrCard)->cmdCounter--;
if (!((struct sccb_card *)pCurrCard)->cmdCounter)
WR_HARPOON(ioport + hp_semaphore,
(RD_HARPOON(ioport + hp_semaphore)
& (unsigned
char)(~(SCCB_MGR_ACTIVE |
TICKLE_ME))));
p_Sccb->SccbStatus = SCCB_ABORT;
callback = p_Sccb->SccbCallback;
callback(p_Sccb);
return 0;
}
else {
if (((struct sccb_card *)pCurrCard)->currentSCCB ==
p_Sccb) {
p_Sccb->SccbStatus = SCCB_ABORT;
return 0;
}
else {
TID = p_Sccb->TargID;
if (p_Sccb->Sccb_tag) {
MDISABLE_INT(ioport);
if (((struct sccb_card *)pCurrCard)->
discQ_Tbl[p_Sccb->Sccb_tag] ==
p_Sccb) {
p_Sccb->SccbStatus = SCCB_ABORT;
p_Sccb->Sccb_scsistat =
ABORT_ST;
p_Sccb->Sccb_scsimsg =
SMABORT_TAG;
if (((struct sccb_card *)
pCurrCard)->currentSCCB ==
NULL) {
((struct sccb_card *)
pCurrCard)->
currentSCCB = p_Sccb;
FPT_ssel(ioport,
thisCard);
} else {
pSaveSCCB =
((struct sccb_card
*)pCurrCard)->
currentSCCB;
((struct sccb_card *)
pCurrCard)->
currentSCCB = p_Sccb;
FPT_queueSelectFail((struct sccb_card *)pCurrCard, thisCard);
((struct sccb_card *)
pCurrCard)->
currentSCCB = pSaveSCCB;
}
}
MENABLE_INT(ioport);
return 0;
} else {
currTar_Info =
&FPT_sccbMgrTbl[thisCard][p_Sccb->
TargID];
if (FPT_BL_Card[thisCard].
discQ_Tbl[currTar_Info->
LunDiscQ_Idx[p_Sccb->Lun]]
== p_Sccb) {
p_Sccb->SccbStatus = SCCB_ABORT;
return 0;
}
}
}
}
}
return -1;
}
/*---------------------------------------------------------------------
*
* Function: FlashPoint_InterruptPending
*
* Description: Do a quick check to determine if there is a pending
* interrupt for this card and disable the IRQ Pin if so.
*
*---------------------------------------------------------------------*/
static unsigned char FlashPoint_InterruptPending(unsigned long pCurrCard)
{
unsigned long ioport;
ioport = ((struct sccb_card *)pCurrCard)->ioPort;
if (RD_HARPOON(ioport + hp_int_status) & INT_ASSERTED) {
return 1;
}
else
return 0;
}
/*---------------------------------------------------------------------
*
* Function: FlashPoint_HandleInterrupt
*
* Description: This is our entry point when an interrupt is generated
* by the card and the upper level driver passes it on to
* us.
*
*---------------------------------------------------------------------*/
static int FlashPoint_HandleInterrupt(unsigned long pCurrCard)
{
struct sccb *currSCCB;
unsigned char thisCard, result, bm_status, bm_int_st;
unsigned short hp_int;
unsigned char i, target;
unsigned long ioport;
thisCard = ((struct sccb_card *)pCurrCard)->cardIndex;
ioport = ((struct sccb_card *)pCurrCard)->ioPort;
MDISABLE_INT(ioport);
if ((bm_int_st = RD_HARPOON(ioport + hp_int_status)) & EXT_STATUS_ON)
bm_status =
RD_HARPOON(ioport +
hp_ext_status) & (unsigned char)BAD_EXT_STATUS;
else
bm_status = 0;
WR_HARPOON(ioport + hp_int_mask, (INT_CMD_COMPL | SCSI_INTERRUPT));
while ((hp_int =
RDW_HARPOON((ioport +
hp_intstat)) & FPT_default_intena) | bm_status) {
currSCCB = ((struct sccb_card *)pCurrCard)->currentSCCB;
if (hp_int & (FIFO | TIMEOUT | RESET | SCAM_SEL) || bm_status) {
result =
FPT_SccbMgr_bad_isr(ioport, thisCard,
((struct sccb_card *)pCurrCard),
hp_int);
WRW_HARPOON((ioport + hp_intstat),
(FIFO | TIMEOUT | RESET | SCAM_SEL));
bm_status = 0;
if (result) {
MENABLE_INT(ioport);
return result;
}
}
else if (hp_int & ICMD_COMP) {
if (!(hp_int & BUS_FREE)) {
/* Wait for the BusFree before starting a new command. We
must also check for being reselected since the BusFree
may not show up if another device reselects us in 1.5us or
less. SRR Wednesday, 3/8/1995.
*/
while (!
(RDW_HARPOON((ioport + hp_intstat)) &
(BUS_FREE | RSEL))) ;
}
if (((struct sccb_card *)pCurrCard)->
globalFlags & F_HOST_XFER_ACT)
FPT_phaseChkFifo(ioport, thisCard);
/* WRW_HARPOON((ioport+hp_intstat),
(BUS_FREE | ICMD_COMP | ITAR_DISC | XFER_CNT_0));
*/
WRW_HARPOON((ioport + hp_intstat), CLR_ALL_INT_1);
FPT_autoCmdCmplt(ioport, thisCard);
}
else if (hp_int & ITAR_DISC) {
if (((struct sccb_card *)pCurrCard)->
globalFlags & F_HOST_XFER_ACT) {
FPT_phaseChkFifo(ioport, thisCard);
}
if (RD_HARPOON(ioport + hp_gp_reg_1) == SMSAVE_DATA_PTR) {
WR_HARPOON(ioport + hp_gp_reg_1, 0x00);
currSCCB->Sccb_XferState |= F_NO_DATA_YET;
currSCCB->Sccb_savedATC = currSCCB->Sccb_ATC;
}
currSCCB->Sccb_scsistat = DISCONNECT_ST;
FPT_queueDisconnect(currSCCB, thisCard);
/* Wait for the BusFree before starting a new command. We
must also check for being reselected since the BusFree
may not show up if another device reselects us in 1.5us or
less. SRR Wednesday, 3/8/1995.
*/
while (!
(RDW_HARPOON((ioport + hp_intstat)) &
(BUS_FREE | RSEL))
&& !((RDW_HARPOON((ioport + hp_intstat)) & PHASE)
&& RD_HARPOON((ioport + hp_scsisig)) ==
(SCSI_BSY | SCSI_REQ | SCSI_CD | SCSI_MSG |
SCSI_IOBIT))) ;
/*
The additional loop exit condition above detects a timing problem
with the revision D/E harpoon chips. The caller should reset the
host adapter to recover when 0xFE is returned.
*/
if (!
(RDW_HARPOON((ioport + hp_intstat)) &
(BUS_FREE | RSEL))) {
MENABLE_INT(ioport);
return 0xFE;
}
WRW_HARPOON((ioport + hp_intstat),
(BUS_FREE | ITAR_DISC));
((struct sccb_card *)pCurrCard)->globalFlags |=
F_NEW_SCCB_CMD;
}
else if (hp_int & RSEL) {
WRW_HARPOON((ioport + hp_intstat),
(PROG_HLT | RSEL | PHASE | BUS_FREE));
if (RDW_HARPOON((ioport + hp_intstat)) & ITAR_DISC) {
if (((struct sccb_card *)pCurrCard)->
globalFlags & F_HOST_XFER_ACT) {
FPT_phaseChkFifo(ioport, thisCard);
}
if (RD_HARPOON(ioport + hp_gp_reg_1) ==
SMSAVE_DATA_PTR) {
WR_HARPOON(ioport + hp_gp_reg_1, 0x00);
currSCCB->Sccb_XferState |=
F_NO_DATA_YET;
currSCCB->Sccb_savedATC =
currSCCB->Sccb_ATC;
}
WRW_HARPOON((ioport + hp_intstat),
(BUS_FREE | ITAR_DISC));
currSCCB->Sccb_scsistat = DISCONNECT_ST;
FPT_queueDisconnect(currSCCB, thisCard);
}
FPT_sres(ioport, thisCard,
((struct sccb_card *)pCurrCard));
FPT_phaseDecode(ioport, thisCard);
}
else if ((hp_int & IDO_STRT) && (!(hp_int & BUS_FREE))) {
WRW_HARPOON((ioport + hp_intstat),
(IDO_STRT | XFER_CNT_0));
FPT_phaseDecode(ioport, thisCard);
}
else if ((hp_int & IUNKWN) || (hp_int & PROG_HLT)) {
WRW_HARPOON((ioport + hp_intstat),
(PHASE | IUNKWN | PROG_HLT));
if ((RD_HARPOON(ioport + hp_prgmcnt_0) & (unsigned char)
0x3f) < (unsigned char)SELCHK) {
FPT_phaseDecode(ioport, thisCard);
} else {
/* Harpoon problem some SCSI target device respond to selection
with short BUSY pulse (<400ns) this will make the Harpoon is not able
to latch the correct Target ID into reg. x53.
The work around require to correct this reg. But when write to this
reg. (0x53) also increment the FIFO write addr reg (0x6f), thus we
need to read this reg first then restore it later. After update to 0x53 */
i = (unsigned
char)(RD_HARPOON(ioport + hp_fifowrite));
target =
(unsigned
char)(RD_HARPOON(ioport + hp_gp_reg_3));
WR_HARPOON(ioport + hp_xfer_pad,
(unsigned char)ID_UNLOCK);
WR_HARPOON(ioport + hp_select_id,
(unsigned char)(target | target <<
4));
WR_HARPOON(ioport + hp_xfer_pad,
(unsigned char)0x00);
WR_HARPOON(ioport + hp_fifowrite, i);
WR_HARPOON(ioport + hp_autostart_3,
(AUTO_IMMED + TAG_STRT));
}
}
else if (hp_int & XFER_CNT_0) {
WRW_HARPOON((ioport + hp_intstat), XFER_CNT_0);
FPT_schkdd(ioport, thisCard);
}
else if (hp_int & BUS_FREE) {
WRW_HARPOON((ioport + hp_intstat), BUS_FREE);
if (((struct sccb_card *)pCurrCard)->
globalFlags & F_HOST_XFER_ACT) {
FPT_hostDataXferAbort(ioport, thisCard,
currSCCB);
}
FPT_phaseBusFree(ioport, thisCard);
}
else if (hp_int & ITICKLE) {
WRW_HARPOON((ioport + hp_intstat), ITICKLE);
((struct sccb_card *)pCurrCard)->globalFlags |=
F_NEW_SCCB_CMD;
}
if (((struct sccb_card *)pCurrCard)->
globalFlags & F_NEW_SCCB_CMD) {
((struct sccb_card *)pCurrCard)->globalFlags &=
~F_NEW_SCCB_CMD;
if (((struct sccb_card *)pCurrCard)->currentSCCB ==
NULL) {
FPT_queueSearchSelect(((struct sccb_card *)
pCurrCard), thisCard);
}
if (((struct sccb_card *)pCurrCard)->currentSCCB !=
NULL) {
((struct sccb_card *)pCurrCard)->globalFlags &=
~F_NEW_SCCB_CMD;
FPT_ssel(ioport, thisCard);
}
break;
}
} /*end while */
MENABLE_INT(ioport);
return 0;
}
/*---------------------------------------------------------------------
*
* Function: Sccb_bad_isr
*
* Description: Some type of interrupt has occurred which is slightly
* out of the ordinary. We will now decode it fully, in
* this routine. This is broken up in an attempt to save
* processing time.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_SccbMgr_bad_isr(unsigned long p_port,
unsigned char p_card,
struct sccb_card *pCurrCard,
unsigned short p_int)
{
unsigned char temp, ScamFlg;
struct sccb_mgr_tar_info *currTar_Info;
struct nvram_info *pCurrNvRam;
if (RD_HARPOON(p_port + hp_ext_status) &
(BM_FORCE_OFF | PCI_DEV_TMOUT | BM_PARITY_ERR | PIO_OVERRUN)) {
if (pCurrCard->globalFlags & F_HOST_XFER_ACT) {
FPT_hostDataXferAbort(p_port, p_card,
pCurrCard->currentSCCB);
}
if (RD_HARPOON(p_port + hp_pci_stat_cfg) & REC_MASTER_ABORT)
{
WR_HARPOON(p_port + hp_pci_stat_cfg,
(RD_HARPOON(p_port + hp_pci_stat_cfg) &
~REC_MASTER_ABORT));
WR_HARPOON(p_port + hp_host_blk_cnt, 0x00);
}
if (pCurrCard->currentSCCB != NULL) {
if (!pCurrCard->currentSCCB->HostStatus)
pCurrCard->currentSCCB->HostStatus =
SCCB_BM_ERR;
FPT_sxfrp(p_port, p_card);
temp = (unsigned char)(RD_HARPOON(p_port + hp_ee_ctrl) &
(EXT_ARB_ACK | SCSI_TERM_ENA_H));
WR_HARPOON(p_port + hp_ee_ctrl,
((unsigned char)temp | SEE_MS | SEE_CS));
WR_HARPOON(p_port + hp_ee_ctrl, temp);
if (!
(RDW_HARPOON((p_port + hp_intstat)) &
(BUS_FREE | RESET))) {
FPT_phaseDecode(p_port, p_card);
}
}
}
else if (p_int & RESET) {
WR_HARPOON(p_port + hp_clkctrl_0, CLKCTRL_DEFAULT);
WR_HARPOON(p_port + hp_sys_ctrl, 0x00);
if (pCurrCard->currentSCCB != NULL) {
if (pCurrCard->globalFlags & F_HOST_XFER_ACT)
FPT_hostDataXferAbort(p_port, p_card,
pCurrCard->currentSCCB);
}
DISABLE_AUTO(p_port);
FPT_sresb(p_port, p_card);
while (RD_HARPOON(p_port + hp_scsictrl_0) & SCSI_RST) {
}
pCurrNvRam = pCurrCard->pNvRamInfo;
if (pCurrNvRam) {
ScamFlg = pCurrNvRam->niScamConf;
} else {
ScamFlg =
(unsigned char)FPT_utilEERead(p_port,
SCAM_CONFIG / 2);
}
FPT_XbowInit(p_port, ScamFlg);
FPT_scini(p_card, pCurrCard->ourId, 0);
return 0xFF;
}
else if (p_int & FIFO) {
WRW_HARPOON((p_port + hp_intstat), FIFO);
if (pCurrCard->currentSCCB != NULL)
FPT_sxfrp(p_port, p_card);
}
else if (p_int & TIMEOUT) {
DISABLE_AUTO(p_port);
WRW_HARPOON((p_port + hp_intstat),
(PROG_HLT | TIMEOUT | SEL | BUS_FREE | PHASE |
IUNKWN));
pCurrCard->currentSCCB->HostStatus = SCCB_SELECTION_TIMEOUT;
currTar_Info =
&FPT_sccbMgrTbl[p_card][pCurrCard->currentSCCB->TargID];
if ((pCurrCard->globalFlags & F_CONLUN_IO)
&& ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))
currTar_Info->TarLUNBusy[pCurrCard->currentSCCB->Lun] =
0;
else
currTar_Info->TarLUNBusy[0] = 0;
if (currTar_Info->TarEEValue & EE_SYNC_MASK) {
currTar_Info->TarSyncCtrl = 0;
currTar_Info->TarStatus &= ~TAR_SYNC_MASK;
}
if (currTar_Info->TarEEValue & EE_WIDE_SCSI) {
currTar_Info->TarStatus &= ~TAR_WIDE_MASK;
}
FPT_sssyncv(p_port, pCurrCard->currentSCCB->TargID, NARROW_SCSI,
currTar_Info);
FPT_queueCmdComplete(pCurrCard, pCurrCard->currentSCCB, p_card);
}
else if (p_int & SCAM_SEL) {
FPT_scarb(p_port, LEVEL2_TAR);
FPT_scsel(p_port);
FPT_scasid(p_card, p_port);
FPT_scbusf(p_port);
WRW_HARPOON((p_port + hp_intstat), SCAM_SEL);
}
return 0x00;
}
/*---------------------------------------------------------------------
*
* Function: SccbMgrTableInit
*
* Description: Initialize all Sccb manager data structures.
*
*---------------------------------------------------------------------*/
static void FPT_SccbMgrTableInitAll()
{
unsigned char thisCard;
for (thisCard = 0; thisCard < MAX_CARDS; thisCard++) {
FPT_SccbMgrTableInitCard(&FPT_BL_Card[thisCard], thisCard);
FPT_BL_Card[thisCard].ioPort = 0x00;
FPT_BL_Card[thisCard].cardInfo = NULL;
FPT_BL_Card[thisCard].cardIndex = 0xFF;
FPT_BL_Card[thisCard].ourId = 0x00;
FPT_BL_Card[thisCard].pNvRamInfo = NULL;
}
}
/*---------------------------------------------------------------------
*
* Function: SccbMgrTableInit
*
* Description: Initialize all Sccb manager data structures.
*
*---------------------------------------------------------------------*/
static void FPT_SccbMgrTableInitCard(struct sccb_card *pCurrCard,
unsigned char p_card)
{
unsigned char scsiID, qtag;
for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) {
FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL;
}
for (scsiID = 0; scsiID < MAX_SCSI_TAR; scsiID++) {
FPT_sccbMgrTbl[p_card][scsiID].TarStatus = 0;
FPT_sccbMgrTbl[p_card][scsiID].TarEEValue = 0;
FPT_SccbMgrTableInitTarget(p_card, scsiID);
}
pCurrCard->scanIndex = 0x00;
pCurrCard->currentSCCB = NULL;
pCurrCard->globalFlags = 0x00;
pCurrCard->cmdCounter = 0x00;
pCurrCard->tagQ_Lst = 0x01;
pCurrCard->discQCount = 0;
}
/*---------------------------------------------------------------------
*
* Function: SccbMgrTableInit
*
* Description: Initialize all Sccb manager data structures.
*
*---------------------------------------------------------------------*/
static void FPT_SccbMgrTableInitTarget(unsigned char p_card,
unsigned char target)
{
unsigned char lun, qtag;
struct sccb_mgr_tar_info *currTar_Info;
currTar_Info = &FPT_sccbMgrTbl[p_card][target];
currTar_Info->TarSelQ_Cnt = 0;
currTar_Info->TarSyncCtrl = 0;
currTar_Info->TarSelQ_Head = NULL;
currTar_Info->TarSelQ_Tail = NULL;
currTar_Info->TarTagQ_Cnt = 0;
currTar_Info->TarLUN_CA = 0;
for (lun = 0; lun < MAX_LUN; lun++) {
currTar_Info->TarLUNBusy[lun] = 0;
currTar_Info->LunDiscQ_Idx[lun] = 0;
}
for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) {
if (FPT_BL_Card[p_card].discQ_Tbl[qtag] != NULL) {
if (FPT_BL_Card[p_card].discQ_Tbl[qtag]->TargID ==
target) {
FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL;
FPT_BL_Card[p_card].discQCount--;
}
}
}
}
/*---------------------------------------------------------------------
*
* Function: sfetm
*
* Description: Read in a message byte from the SCSI bus, and check
* for a parity error.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_sfm(unsigned long port, struct sccb *pCurrSCCB)
{
unsigned char message;
unsigned short TimeOutLoop;
TimeOutLoop = 0;
while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) &&
(TimeOutLoop++ < 20000)) {
}
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
message = RD_HARPOON(port + hp_scsidata_0);
WR_HARPOON(port + hp_scsisig, SCSI_ACK + S_MSGI_PH);
if (TimeOutLoop > 20000)
message = 0x00; /* force message byte = 0 if Time Out on Req */
if ((RDW_HARPOON((port + hp_intstat)) & PARITY) &&
(RD_HARPOON(port + hp_addstat) & SCSI_PAR_ERR)) {
WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH));
WR_HARPOON(port + hp_xferstat, 0);
WR_HARPOON(port + hp_fiforead, 0);
WR_HARPOON(port + hp_fifowrite, 0);
if (pCurrSCCB != NULL) {
pCurrSCCB->Sccb_scsimsg = SMPARITY;
}
message = 0x00;
do {
ACCEPT_MSG_ATN(port);
TimeOutLoop = 0;
while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) &&
(TimeOutLoop++ < 20000)) {
}
if (TimeOutLoop > 20000) {
WRW_HARPOON((port + hp_intstat), PARITY);
return message;
}
if ((RD_HARPOON(port + hp_scsisig) & S_SCSI_PHZ) !=
S_MSGI_PH) {
WRW_HARPOON((port + hp_intstat), PARITY);
return message;
}
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
RD_HARPOON(port + hp_scsidata_0);
WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH));
} while (1);
}
WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH));
WR_HARPOON(port + hp_xferstat, 0);
WR_HARPOON(port + hp_fiforead, 0);
WR_HARPOON(port + hp_fifowrite, 0);
return message;
}
/*---------------------------------------------------------------------
*
* Function: FPT_ssel
*
* Description: Load up automation and select target device.
*
*---------------------------------------------------------------------*/
static void FPT_ssel(unsigned long port, unsigned char p_card)
{
unsigned char auto_loaded, i, target, *theCCB;
unsigned long cdb_reg;
struct sccb_card *CurrCard;
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
unsigned char lastTag, lun;
CurrCard = &FPT_BL_Card[p_card];
currSCCB = CurrCard->currentSCCB;
target = currSCCB->TargID;
currTar_Info = &FPT_sccbMgrTbl[p_card][target];
lastTag = CurrCard->tagQ_Lst;
ARAM_ACCESS(port);
if ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) == TAG_Q_REJECT)
currSCCB->ControlByte &= ~F_USE_CMD_Q;
if (((CurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING)))
lun = currSCCB->Lun;
else
lun = 0;
if (CurrCard->globalFlags & F_TAG_STARTED) {
if (!(currSCCB->ControlByte & F_USE_CMD_Q)) {
if ((currTar_Info->TarLUN_CA == 0)
&& ((currTar_Info->TarStatus & TAR_TAG_Q_MASK)
== TAG_Q_TRYING)) {
if (currTar_Info->TarTagQ_Cnt != 0) {
currTar_Info->TarLUNBusy[lun] = 1;
FPT_queueSelectFail(CurrCard, p_card);
SGRAM_ACCESS(port);
return;
}
else {
currTar_Info->TarLUNBusy[lun] = 1;
}
}
/*End non-tagged */
else {
currTar_Info->TarLUNBusy[lun] = 1;
}
}
/*!Use cmd Q Tagged */
else {
if (currTar_Info->TarLUN_CA == 1) {
FPT_queueSelectFail(CurrCard, p_card);
SGRAM_ACCESS(port);
return;
}
currTar_Info->TarLUNBusy[lun] = 1;
} /*else use cmd Q tagged */
}
/*if glob tagged started */
else {
currTar_Info->TarLUNBusy[lun] = 1;
}
if ((((CurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))
|| (!(currSCCB->ControlByte & F_USE_CMD_Q)))) {
if (CurrCard->discQCount >= QUEUE_DEPTH) {
currTar_Info->TarLUNBusy[lun] = 1;
FPT_queueSelectFail(CurrCard, p_card);
SGRAM_ACCESS(port);
return;
}
for (i = 1; i < QUEUE_DEPTH; i++) {
if (++lastTag >= QUEUE_DEPTH)
lastTag = 1;
if (CurrCard->discQ_Tbl[lastTag] == NULL) {
CurrCard->tagQ_Lst = lastTag;
currTar_Info->LunDiscQ_Idx[lun] = lastTag;
CurrCard->discQ_Tbl[lastTag] = currSCCB;
CurrCard->discQCount++;
break;
}
}
if (i == QUEUE_DEPTH) {
currTar_Info->TarLUNBusy[lun] = 1;
FPT_queueSelectFail(CurrCard, p_card);
SGRAM_ACCESS(port);
return;
}
}
auto_loaded = 0;
WR_HARPOON(port + hp_select_id, target);
WR_HARPOON(port + hp_gp_reg_3, target); /* Use by new automation logic */
if (currSCCB->OperationCode == RESET_COMMAND) {
WRW_HARPOON((port + ID_MSG_STRT), (MPM_OP + AMSG_OUT +
(currSCCB->
Sccb_idmsg & ~DISC_PRIV)));
WRW_HARPOON((port + ID_MSG_STRT + 2), BRH_OP + ALWAYS + NP);
currSCCB->Sccb_scsimsg = SMDEV_RESET;
WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT));
auto_loaded = 1;
currSCCB->Sccb_scsistat = SELECT_BDR_ST;
if (currTar_Info->TarEEValue & EE_SYNC_MASK) {
currTar_Info->TarSyncCtrl = 0;
currTar_Info->TarStatus &= ~TAR_SYNC_MASK;
}
if (currTar_Info->TarEEValue & EE_WIDE_SCSI) {
currTar_Info->TarStatus &= ~TAR_WIDE_MASK;
}
FPT_sssyncv(port, target, NARROW_SCSI, currTar_Info);
FPT_SccbMgrTableInitTarget(p_card, target);
}
else if (currSCCB->Sccb_scsistat == ABORT_ST) {
WRW_HARPOON((port + ID_MSG_STRT), (MPM_OP + AMSG_OUT +
(currSCCB->
Sccb_idmsg & ~DISC_PRIV)));
WRW_HARPOON((port + ID_MSG_STRT + 2), BRH_OP + ALWAYS + CMDPZ);
WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT +
(((unsigned
char)(currSCCB->
ControlByte &
TAG_TYPE_MASK)
>> 6) | (unsigned char)
0x20)));
WRW_HARPOON((port + SYNC_MSGS + 2),
(MPM_OP + AMSG_OUT + currSCCB->Sccb_tag));
WRW_HARPOON((port + SYNC_MSGS + 4), (BRH_OP + ALWAYS + NP));
WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT));
auto_loaded = 1;
}
else if (!(currTar_Info->TarStatus & WIDE_NEGOCIATED)) {
auto_loaded = FPT_siwidn(port, p_card);
currSCCB->Sccb_scsistat = SELECT_WN_ST;
}
else if (!((currTar_Info->TarStatus & TAR_SYNC_MASK)
== SYNC_SUPPORTED)) {
auto_loaded = FPT_sisyncn(port, p_card, 0);
currSCCB->Sccb_scsistat = SELECT_SN_ST;
}
if (!auto_loaded) {
if (currSCCB->ControlByte & F_USE_CMD_Q) {
CurrCard->globalFlags |= F_TAG_STARTED;
if ((currTar_Info->TarStatus & TAR_TAG_Q_MASK)
== TAG_Q_REJECT) {
currSCCB->ControlByte &= ~F_USE_CMD_Q;
/* Fix up the start instruction with a jump to
Non-Tag-CMD handling */
WRW_HARPOON((port + ID_MSG_STRT),
BRH_OP + ALWAYS + NTCMD);
WRW_HARPOON((port + NON_TAG_ID_MSG),
(MPM_OP + AMSG_OUT +
currSCCB->Sccb_idmsg));
WR_HARPOON(port + hp_autostart_3,
(SELECT + SELCHK_STRT));
/* Setup our STATE so we know what happend when
the wheels fall off. */
currSCCB->Sccb_scsistat = SELECT_ST;
currTar_Info->TarLUNBusy[lun] = 1;
}
else {
WRW_HARPOON((port + ID_MSG_STRT),
(MPM_OP + AMSG_OUT +
currSCCB->Sccb_idmsg));
WRW_HARPOON((port + ID_MSG_STRT + 2),
(MPM_OP + AMSG_OUT +
(((unsigned char)(currSCCB->
ControlByte &
TAG_TYPE_MASK)
>> 6) | (unsigned char)0x20)));
for (i = 1; i < QUEUE_DEPTH; i++) {
if (++lastTag >= QUEUE_DEPTH)
lastTag = 1;
if (CurrCard->discQ_Tbl[lastTag] ==
NULL) {
WRW_HARPOON((port +
ID_MSG_STRT + 6),
(MPM_OP + AMSG_OUT +
lastTag));
CurrCard->tagQ_Lst = lastTag;
currSCCB->Sccb_tag = lastTag;
CurrCard->discQ_Tbl[lastTag] =
currSCCB;
CurrCard->discQCount++;
break;
}
}
if (i == QUEUE_DEPTH) {
currTar_Info->TarLUNBusy[lun] = 1;
FPT_queueSelectFail(CurrCard, p_card);
SGRAM_ACCESS(port);
return;
}
currSCCB->Sccb_scsistat = SELECT_Q_ST;
WR_HARPOON(port + hp_autostart_3,
(SELECT + SELCHK_STRT));
}
}
else {
WRW_HARPOON((port + ID_MSG_STRT),
BRH_OP + ALWAYS + NTCMD);
WRW_HARPOON((port + NON_TAG_ID_MSG),
(MPM_OP + AMSG_OUT + currSCCB->Sccb_idmsg));
currSCCB->Sccb_scsistat = SELECT_ST;
WR_HARPOON(port + hp_autostart_3,
(SELECT + SELCHK_STRT));
}
theCCB = (unsigned char *)&currSCCB->Cdb[0];
cdb_reg = port + CMD_STRT;
for (i = 0; i < currSCCB->CdbLength; i++) {
WRW_HARPOON(cdb_reg, (MPM_OP + ACOMMAND + *theCCB));
cdb_reg += 2;
theCCB++;
}
if (currSCCB->CdbLength != TWELVE_BYTE_CMD)
WRW_HARPOON(cdb_reg, (BRH_OP + ALWAYS + NP));
}
/* auto_loaded */
WRW_HARPOON((port + hp_fiforead), (unsigned short)0x00);
WR_HARPOON(port + hp_xferstat, 0x00);
WRW_HARPOON((port + hp_intstat), (PROG_HLT | TIMEOUT | SEL | BUS_FREE));
WR_HARPOON(port + hp_portctrl_0, (SCSI_PORT));
if (!(currSCCB->Sccb_MGRFlags & F_DEV_SELECTED)) {
WR_HARPOON(port + hp_scsictrl_0,
(SEL_TAR | ENA_ATN | ENA_RESEL | ENA_SCAM_SEL));
} else {
/* auto_loaded = (RD_HARPOON(port+hp_autostart_3) & (unsigned char)0x1F);
auto_loaded |= AUTO_IMMED; */
auto_loaded = AUTO_IMMED;
DISABLE_AUTO(port);
WR_HARPOON(port + hp_autostart_3, auto_loaded);
}
SGRAM_ACCESS(port);
}
/*---------------------------------------------------------------------
*
* Function: FPT_sres
*
* Description: Hookup the correct CCB and handle the incoming messages.
*
*---------------------------------------------------------------------*/
static void FPT_sres(unsigned long port, unsigned char p_card,
struct sccb_card *pCurrCard)
{
unsigned char our_target, message, lun = 0, tag, msgRetryCount;
struct sccb_mgr_tar_info *currTar_Info;
struct sccb *currSCCB;
if (pCurrCard->currentSCCB != NULL) {
currTar_Info =
&FPT_sccbMgrTbl[p_card][pCurrCard->currentSCCB->TargID];
DISABLE_AUTO(port);
WR_HARPOON((port + hp_scsictrl_0), (ENA_RESEL | ENA_SCAM_SEL));
currSCCB = pCurrCard->currentSCCB;
if (currSCCB->Sccb_scsistat == SELECT_WN_ST) {
currTar_Info->TarStatus &= ~TAR_WIDE_MASK;
currSCCB->Sccb_scsistat = BUS_FREE_ST;
}
if (currSCCB->Sccb_scsistat == SELECT_SN_ST) {
currTar_Info->TarStatus &= ~TAR_SYNC_MASK;
currSCCB->Sccb_scsistat = BUS_FREE_ST;
}
if (((pCurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))) {
currTar_Info->TarLUNBusy[currSCCB->Lun] = 0;
if (currSCCB->Sccb_scsistat != ABORT_ST) {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[currTar_Info->
LunDiscQ_Idx[currSCCB->
Lun]]
= NULL;
}
} else {
currTar_Info->TarLUNBusy[0] = 0;
if (currSCCB->Sccb_tag) {
if (currSCCB->Sccb_scsistat != ABORT_ST) {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[currSCCB->
Sccb_tag] = NULL;
}
} else {
if (currSCCB->Sccb_scsistat != ABORT_ST) {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[currTar_Info->
LunDiscQ_Idx[0]] =
NULL;
}
}
}
FPT_queueSelectFail(&FPT_BL_Card[p_card], p_card);
}
WRW_HARPOON((port + hp_fiforead), (unsigned short)0x00);
our_target = (unsigned char)(RD_HARPOON(port + hp_select_id) >> 4);
currTar_Info = &FPT_sccbMgrTbl[p_card][our_target];
msgRetryCount = 0;
do {
currTar_Info = &FPT_sccbMgrTbl[p_card][our_target];
tag = 0;
while (!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) {
if (!(RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) {
WRW_HARPOON((port + hp_intstat), PHASE);
return;
}
}
WRW_HARPOON((port + hp_intstat), PHASE);
if ((RD_HARPOON(port + hp_scsisig) & S_SCSI_PHZ) == S_MSGI_PH) {
message = FPT_sfm(port, pCurrCard->currentSCCB);
if (message) {
if (message <= (0x80 | LUN_MASK)) {
lun = message & (unsigned char)LUN_MASK;
if ((currTar_Info->
TarStatus & TAR_TAG_Q_MASK) ==
TAG_Q_TRYING) {
if (currTar_Info->TarTagQ_Cnt !=
0) {
if (!
(currTar_Info->
TarLUN_CA)) {
ACCEPT_MSG(port); /*Release the ACK for ID msg. */
message =
FPT_sfm
(port,
pCurrCard->
currentSCCB);
if (message) {
ACCEPT_MSG
(port);
}
else
message
= 0;
if (message !=
0) {
tag =
FPT_sfm
(port,
pCurrCard->
currentSCCB);
if (!
(tag))
message
=
0;
}
}
/*C.A. exists! */
}
/*End Q cnt != 0 */
}
/*End Tag cmds supported! */
}
/*End valid ID message. */
else {
ACCEPT_MSG_ATN(port);
}
}
/* End good id message. */
else {
message = 0;
}
} else {
ACCEPT_MSG_ATN(port);
while (!
(RDW_HARPOON((port + hp_intstat)) &
(PHASE | RESET))
&& !(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)
&& (RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) ;
return;
}
if (message == 0) {
msgRetryCount++;
if (msgRetryCount == 1) {
FPT_SendMsg(port, SMPARITY);
} else {
FPT_SendMsg(port, SMDEV_RESET);
FPT_sssyncv(port, our_target, NARROW_SCSI,
currTar_Info);
if (FPT_sccbMgrTbl[p_card][our_target].
TarEEValue & EE_SYNC_MASK) {
FPT_sccbMgrTbl[p_card][our_target].
TarStatus &= ~TAR_SYNC_MASK;
}
if (FPT_sccbMgrTbl[p_card][our_target].
TarEEValue & EE_WIDE_SCSI) {
FPT_sccbMgrTbl[p_card][our_target].
TarStatus &= ~TAR_WIDE_MASK;
}
FPT_queueFlushTargSccb(p_card, our_target,
SCCB_COMPLETE);
FPT_SccbMgrTableInitTarget(p_card, our_target);
return;
}
}
} while (message == 0);
if (((pCurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) {
currTar_Info->TarLUNBusy[lun] = 1;
pCurrCard->currentSCCB =
pCurrCard->discQ_Tbl[currTar_Info->LunDiscQ_Idx[lun]];
if (pCurrCard->currentSCCB != NULL) {
ACCEPT_MSG(port);
} else {
ACCEPT_MSG_ATN(port);
}
} else {
currTar_Info->TarLUNBusy[0] = 1;
if (tag) {
if (pCurrCard->discQ_Tbl[tag] != NULL) {
pCurrCard->currentSCCB =
pCurrCard->discQ_Tbl[tag];
currTar_Info->TarTagQ_Cnt--;
ACCEPT_MSG(port);
} else {
ACCEPT_MSG_ATN(port);
}
} else {
pCurrCard->currentSCCB =
pCurrCard->discQ_Tbl[currTar_Info->LunDiscQ_Idx[0]];
if (pCurrCard->currentSCCB != NULL) {
ACCEPT_MSG(port);
} else {
ACCEPT_MSG_ATN(port);
}
}
}
if (pCurrCard->currentSCCB != NULL) {
if (pCurrCard->currentSCCB->Sccb_scsistat == ABORT_ST) {
/* During Abort Tag command, the target could have got re-selected
and completed the command. Check the select Q and remove the CCB
if it is in the Select Q */
FPT_queueFindSccb(pCurrCard->currentSCCB, p_card);
}
}
while (!(RDW_HARPOON((port + hp_intstat)) & (PHASE | RESET)) &&
!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ) &&
(RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) ;
}
static void FPT_SendMsg(unsigned long port, unsigned char message)
{
while (!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) {
if (!(RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) {
WRW_HARPOON((port + hp_intstat), PHASE);
return;
}
}
WRW_HARPOON((port + hp_intstat), PHASE);
if ((RD_HARPOON(port + hp_scsisig) & S_SCSI_PHZ) == S_MSGO_PH) {
WRW_HARPOON((port + hp_intstat),
(BUS_FREE | PHASE | XFER_CNT_0));
WR_HARPOON(port + hp_portctrl_0, SCSI_BUS_EN);
WR_HARPOON(port + hp_scsidata_0, message);
WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH));
ACCEPT_MSG(port);
WR_HARPOON(port + hp_portctrl_0, 0x00);
if ((message == SMABORT) || (message == SMDEV_RESET) ||
(message == SMABORT_TAG)) {
while (!
(RDW_HARPOON((port + hp_intstat)) &
(BUS_FREE | PHASE))) {
}
if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) {
WRW_HARPOON((port + hp_intstat), BUS_FREE);
}
}
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_sdecm
*
* Description: Determine the proper responce to the message from the
* target device.
*
*---------------------------------------------------------------------*/
static void FPT_sdecm(unsigned char message, unsigned long port,
unsigned char p_card)
{
struct sccb *currSCCB;
struct sccb_card *CurrCard;
struct sccb_mgr_tar_info *currTar_Info;
CurrCard = &FPT_BL_Card[p_card];
currSCCB = CurrCard->currentSCCB;
currTar_Info = &FPT_sccbMgrTbl[p_card][currSCCB->TargID];
if (message == SMREST_DATA_PTR) {
if (!(currSCCB->Sccb_XferState & F_NO_DATA_YET)) {
currSCCB->Sccb_ATC = currSCCB->Sccb_savedATC;
FPT_hostDataXferRestart(currSCCB);
}
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
else if (message == SMCMD_COMP) {
if (currSCCB->Sccb_scsistat == SELECT_Q_ST) {
currTar_Info->TarStatus &=
~(unsigned char)TAR_TAG_Q_MASK;
currTar_Info->TarStatus |= (unsigned char)TAG_Q_REJECT;
}
ACCEPT_MSG(port);
}
else if ((message == SMNO_OP) || (message >= SMIDENT)
|| (message == SMINIT_RECOVERY) || (message == SMREL_RECOVERY)) {
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
else if (message == SMREJECT) {
if ((currSCCB->Sccb_scsistat == SELECT_SN_ST) ||
(currSCCB->Sccb_scsistat == SELECT_WN_ST) ||
((currTar_Info->TarStatus & TAR_SYNC_MASK) == SYNC_TRYING)
|| ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) ==
TAG_Q_TRYING))
{
WRW_HARPOON((port + hp_intstat), BUS_FREE);
ACCEPT_MSG(port);
while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) &&
(!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE)))
{
}
if (currSCCB->Lun == 0x00) {
if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) {
currTar_Info->TarStatus |=
(unsigned char)SYNC_SUPPORTED;
currTar_Info->TarEEValue &=
~EE_SYNC_MASK;
}
else if ((currSCCB->Sccb_scsistat ==
SELECT_WN_ST)) {
currTar_Info->TarStatus =
(currTar_Info->
TarStatus & ~WIDE_ENABLED) |
WIDE_NEGOCIATED;
currTar_Info->TarEEValue &=
~EE_WIDE_SCSI;
}
else if ((currTar_Info->
TarStatus & TAR_TAG_Q_MASK) ==
TAG_Q_TRYING) {
currTar_Info->TarStatus =
(currTar_Info->
TarStatus & ~(unsigned char)
TAR_TAG_Q_MASK) | TAG_Q_REJECT;
currSCCB->ControlByte &= ~F_USE_CMD_Q;
CurrCard->discQCount--;
CurrCard->discQ_Tbl[currSCCB->
Sccb_tag] = NULL;
currSCCB->Sccb_tag = 0x00;
}
}
if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) {
if (currSCCB->Lun == 0x00) {
WRW_HARPOON((port + hp_intstat),
BUS_FREE);
CurrCard->globalFlags |= F_NEW_SCCB_CMD;
}
}
else {
if ((CurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->
TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))
currTar_Info->TarLUNBusy[currSCCB->
Lun] = 1;
else
currTar_Info->TarLUNBusy[0] = 1;
currSCCB->ControlByte &=
~(unsigned char)F_USE_CMD_Q;
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
else {
ACCEPT_MSG(port);
while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) &&
(!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE)))
{
}
if (!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE)) {
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
}
else if (message == SMEXT) {
ACCEPT_MSG(port);
FPT_shandem(port, p_card, currSCCB);
}
else if (message == SMIGNORWR) {
ACCEPT_MSG(port); /* ACK the RESIDUE MSG */
message = FPT_sfm(port, currSCCB);
if (currSCCB->Sccb_scsimsg != SMPARITY)
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
else {
currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL;
currSCCB->Sccb_scsimsg = SMREJECT;
ACCEPT_MSG_ATN(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_shandem
*
* Description: Decide what to do with the extended message.
*
*---------------------------------------------------------------------*/
static void FPT_shandem(unsigned long port, unsigned char p_card,
struct sccb *pCurrSCCB)
{
unsigned char length, message;
length = FPT_sfm(port, pCurrSCCB);
if (length) {
ACCEPT_MSG(port);
message = FPT_sfm(port, pCurrSCCB);
if (message) {
if (message == SMSYNC) {
if (length == 0x03) {
ACCEPT_MSG(port);
FPT_stsyncn(port, p_card);
} else {
pCurrSCCB->Sccb_scsimsg = SMREJECT;
ACCEPT_MSG_ATN(port);
}
} else if (message == SMWDTR) {
if (length == 0x02) {
ACCEPT_MSG(port);
FPT_stwidn(port, p_card);
} else {
pCurrSCCB->Sccb_scsimsg = SMREJECT;
ACCEPT_MSG_ATN(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED +
DISCONNECT_START));
}
} else {
pCurrSCCB->Sccb_scsimsg = SMREJECT;
ACCEPT_MSG_ATN(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
} else {
if (pCurrSCCB->Sccb_scsimsg != SMPARITY)
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
} else {
if (pCurrSCCB->Sccb_scsimsg == SMPARITY)
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_sisyncn
*
* Description: Read in a message byte from the SCSI bus, and check
* for a parity error.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_sisyncn(unsigned long port, unsigned char p_card,
unsigned char syncFlag)
{
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
currTar_Info = &FPT_sccbMgrTbl[p_card][currSCCB->TargID];
if (!((currTar_Info->TarStatus & TAR_SYNC_MASK) == SYNC_TRYING)) {
WRW_HARPOON((port + ID_MSG_STRT),
(MPM_OP + AMSG_OUT +
(currSCCB->
Sccb_idmsg & ~(unsigned char)DISC_PRIV)));
WRW_HARPOON((port + ID_MSG_STRT + 2), BRH_OP + ALWAYS + CMDPZ);
WRW_HARPOON((port + SYNC_MSGS + 0),
(MPM_OP + AMSG_OUT + SMEXT));
WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03));
WRW_HARPOON((port + SYNC_MSGS + 4),
(MPM_OP + AMSG_OUT + SMSYNC));
if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_20MB)
WRW_HARPOON((port + SYNC_MSGS + 6),
(MPM_OP + AMSG_OUT + 12));
else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) ==
EE_SYNC_10MB)
WRW_HARPOON((port + SYNC_MSGS + 6),
(MPM_OP + AMSG_OUT + 25));
else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) ==
EE_SYNC_5MB)
WRW_HARPOON((port + SYNC_MSGS + 6),
(MPM_OP + AMSG_OUT + 50));
else
WRW_HARPOON((port + SYNC_MSGS + 6),
(MPM_OP + AMSG_OUT + 00));
WRW_HARPOON((port + SYNC_MSGS + 8), (RAT_OP));
WRW_HARPOON((port + SYNC_MSGS + 10),
(MPM_OP + AMSG_OUT + DEFAULT_OFFSET));
WRW_HARPOON((port + SYNC_MSGS + 12), (BRH_OP + ALWAYS + NP));
if (syncFlag == 0) {
WR_HARPOON(port + hp_autostart_3,
(SELECT + SELCHK_STRT));
currTar_Info->TarStatus =
((currTar_Info->
TarStatus & ~(unsigned char)TAR_SYNC_MASK) |
(unsigned char)SYNC_TRYING);
} else {
WR_HARPOON(port + hp_autostart_3,
(AUTO_IMMED + CMD_ONLY_STRT));
}
return 1;
}
else {
currTar_Info->TarStatus |= (unsigned char)SYNC_SUPPORTED;
currTar_Info->TarEEValue &= ~EE_SYNC_MASK;
return 0;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_stsyncn
*
* Description: The has sent us a Sync Nego message so handle it as
* necessary.
*
*---------------------------------------------------------------------*/
static void FPT_stsyncn(unsigned long port, unsigned char p_card)
{
unsigned char sync_msg, offset, sync_reg, our_sync_msg;
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
currTar_Info = &FPT_sccbMgrTbl[p_card][currSCCB->TargID];
sync_msg = FPT_sfm(port, currSCCB);
if ((sync_msg == 0x00) && (currSCCB->Sccb_scsimsg == SMPARITY)) {
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
return;
}
ACCEPT_MSG(port);
offset = FPT_sfm(port, currSCCB);
if ((offset == 0x00) && (currSCCB->Sccb_scsimsg == SMPARITY)) {
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
return;
}
if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_20MB)
our_sync_msg = 12; /* Setup our Message to 20mb/s */
else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_10MB)
our_sync_msg = 25; /* Setup our Message to 10mb/s */
else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_5MB)
our_sync_msg = 50; /* Setup our Message to 5mb/s */
else
our_sync_msg = 0; /* Message = Async */
if (sync_msg < our_sync_msg) {
sync_msg = our_sync_msg; /*if faster, then set to max. */
}
if (offset == ASYNC)
sync_msg = ASYNC;
if (offset > MAX_OFFSET)
offset = MAX_OFFSET;
sync_reg = 0x00;
if (sync_msg > 12)
sync_reg = 0x20; /* Use 10MB/s */
if (sync_msg > 25)
sync_reg = 0x40; /* Use 6.6MB/s */
if (sync_msg > 38)
sync_reg = 0x60; /* Use 5MB/s */
if (sync_msg > 50)
sync_reg = 0x80; /* Use 4MB/s */
if (sync_msg > 62)
sync_reg = 0xA0; /* Use 3.33MB/s */
if (sync_msg > 75)
sync_reg = 0xC0; /* Use 2.85MB/s */
if (sync_msg > 87)
sync_reg = 0xE0; /* Use 2.5MB/s */
if (sync_msg > 100) {
sync_reg = 0x00; /* Use ASYNC */
offset = 0x00;
}
if (currTar_Info->TarStatus & WIDE_ENABLED)
sync_reg |= offset;
else
sync_reg |= (offset | NARROW_SCSI);
FPT_sssyncv(port, currSCCB->TargID, sync_reg, currTar_Info);
if (currSCCB->Sccb_scsistat == SELECT_SN_ST) {
ACCEPT_MSG(port);
currTar_Info->TarStatus = ((currTar_Info->TarStatus &
~(unsigned char)TAR_SYNC_MASK) |
(unsigned char)SYNC_SUPPORTED);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
else {
ACCEPT_MSG_ATN(port);
FPT_sisyncr(port, sync_msg, offset);
currTar_Info->TarStatus = ((currTar_Info->TarStatus &
~(unsigned char)TAR_SYNC_MASK) |
(unsigned char)SYNC_SUPPORTED);
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_sisyncr
*
* Description: Answer the targets sync message.
*
*---------------------------------------------------------------------*/
static void FPT_sisyncr(unsigned long port, unsigned char sync_pulse,
unsigned char offset)
{
ARAM_ACCESS(port);
WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT + SMEXT));
WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03));
WRW_HARPOON((port + SYNC_MSGS + 4), (MPM_OP + AMSG_OUT + SMSYNC));
WRW_HARPOON((port + SYNC_MSGS + 6), (MPM_OP + AMSG_OUT + sync_pulse));
WRW_HARPOON((port + SYNC_MSGS + 8), (RAT_OP));
WRW_HARPOON((port + SYNC_MSGS + 10), (MPM_OP + AMSG_OUT + offset));
WRW_HARPOON((port + SYNC_MSGS + 12), (BRH_OP + ALWAYS + NP));
SGRAM_ACCESS(port);
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
WRW_HARPOON((port + hp_intstat), CLR_ALL_INT_1);
WR_HARPOON(port + hp_autostart_3, (AUTO_IMMED + CMD_ONLY_STRT));
while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | AUTO_INT))) {
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_siwidn
*
* Description: Read in a message byte from the SCSI bus, and check
* for a parity error.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_siwidn(unsigned long port, unsigned char p_card)
{
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
currTar_Info = &FPT_sccbMgrTbl[p_card][currSCCB->TargID];
if (!((currTar_Info->TarStatus & TAR_WIDE_MASK) == WIDE_NEGOCIATED)) {
WRW_HARPOON((port + ID_MSG_STRT),
(MPM_OP + AMSG_OUT +
(currSCCB->
Sccb_idmsg & ~(unsigned char)DISC_PRIV)));
WRW_HARPOON((port + ID_MSG_STRT + 2), BRH_OP + ALWAYS + CMDPZ);
WRW_HARPOON((port + SYNC_MSGS + 0),
(MPM_OP + AMSG_OUT + SMEXT));
WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02));
WRW_HARPOON((port + SYNC_MSGS + 4),
(MPM_OP + AMSG_OUT + SMWDTR));
WRW_HARPOON((port + SYNC_MSGS + 6), (RAT_OP));
WRW_HARPOON((port + SYNC_MSGS + 8),
(MPM_OP + AMSG_OUT + SM16BIT));
WRW_HARPOON((port + SYNC_MSGS + 10), (BRH_OP + ALWAYS + NP));
WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT));
currTar_Info->TarStatus = ((currTar_Info->TarStatus &
~(unsigned char)TAR_WIDE_MASK) |
(unsigned char)WIDE_ENABLED);
return 1;
}
else {
currTar_Info->TarStatus = ((currTar_Info->TarStatus &
~(unsigned char)TAR_WIDE_MASK) |
WIDE_NEGOCIATED);
currTar_Info->TarEEValue &= ~EE_WIDE_SCSI;
return 0;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_stwidn
*
* Description: The has sent us a Wide Nego message so handle it as
* necessary.
*
*---------------------------------------------------------------------*/
static void FPT_stwidn(unsigned long port, unsigned char p_card)
{
unsigned char width;
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
currTar_Info = &FPT_sccbMgrTbl[p_card][currSCCB->TargID];
width = FPT_sfm(port, currSCCB);
if ((width == 0x00) && (currSCCB->Sccb_scsimsg == SMPARITY)) {
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
return;
}
if (!(currTar_Info->TarEEValue & EE_WIDE_SCSI))
width = 0;
if (width) {
currTar_Info->TarStatus |= WIDE_ENABLED;
width = 0;
} else {
width = NARROW_SCSI;
currTar_Info->TarStatus &= ~WIDE_ENABLED;
}
FPT_sssyncv(port, currSCCB->TargID, width, currTar_Info);
if (currSCCB->Sccb_scsistat == SELECT_WN_ST) {
currTar_Info->TarStatus |= WIDE_NEGOCIATED;
if (!
((currTar_Info->TarStatus & TAR_SYNC_MASK) ==
SYNC_SUPPORTED)) {
ACCEPT_MSG_ATN(port);
ARAM_ACCESS(port);
FPT_sisyncn(port, p_card, 1);
currSCCB->Sccb_scsistat = SELECT_SN_ST;
SGRAM_ACCESS(port);
} else {
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
else {
ACCEPT_MSG_ATN(port);
if (currTar_Info->TarEEValue & EE_WIDE_SCSI)
width = SM16BIT;
else
width = SM8BIT;
FPT_siwidr(port, width);
currTar_Info->TarStatus |= (WIDE_NEGOCIATED | WIDE_ENABLED);
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_siwidr
*
* Description: Answer the targets Wide nego message.
*
*---------------------------------------------------------------------*/
static void FPT_siwidr(unsigned long port, unsigned char width)
{
ARAM_ACCESS(port);
WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT + SMEXT));
WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02));
WRW_HARPOON((port + SYNC_MSGS + 4), (MPM_OP + AMSG_OUT + SMWDTR));
WRW_HARPOON((port + SYNC_MSGS + 6), (RAT_OP));
WRW_HARPOON((port + SYNC_MSGS + 8), (MPM_OP + AMSG_OUT + width));
WRW_HARPOON((port + SYNC_MSGS + 10), (BRH_OP + ALWAYS + NP));
SGRAM_ACCESS(port);
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
WRW_HARPOON((port + hp_intstat), CLR_ALL_INT_1);
WR_HARPOON(port + hp_autostart_3, (AUTO_IMMED + CMD_ONLY_STRT));
while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | AUTO_INT))) {
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_sssyncv
*
* Description: Write the desired value to the Sync Register for the
* ID specified.
*
*---------------------------------------------------------------------*/
static void FPT_sssyncv(unsigned long p_port, unsigned char p_id,
unsigned char p_sync_value,
struct sccb_mgr_tar_info *currTar_Info)
{
unsigned char index;
index = p_id;
switch (index) {
case 0:
index = 12; /* hp_synctarg_0 */
break;
case 1:
index = 13; /* hp_synctarg_1 */
break;
case 2:
index = 14; /* hp_synctarg_2 */
break;
case 3:
index = 15; /* hp_synctarg_3 */
break;
case 4:
index = 8; /* hp_synctarg_4 */
break;
case 5:
index = 9; /* hp_synctarg_5 */
break;
case 6:
index = 10; /* hp_synctarg_6 */
break;
case 7:
index = 11; /* hp_synctarg_7 */
break;
case 8:
index = 4; /* hp_synctarg_8 */
break;
case 9:
index = 5; /* hp_synctarg_9 */
break;
case 10:
index = 6; /* hp_synctarg_10 */
break;
case 11:
index = 7; /* hp_synctarg_11 */
break;
case 12:
index = 0; /* hp_synctarg_12 */
break;
case 13:
index = 1; /* hp_synctarg_13 */
break;
case 14:
index = 2; /* hp_synctarg_14 */
break;
case 15:
index = 3; /* hp_synctarg_15 */
}
WR_HARPOON(p_port + hp_synctarg_base + index, p_sync_value);
currTar_Info->TarSyncCtrl = p_sync_value;
}
/*---------------------------------------------------------------------
*
* Function: FPT_sresb
*
* Description: Reset the desired card's SCSI bus.
*
*---------------------------------------------------------------------*/
static void FPT_sresb(unsigned long port, unsigned char p_card)
{
unsigned char scsiID, i;
struct sccb_mgr_tar_info *currTar_Info;
WR_HARPOON(port + hp_page_ctrl,
(RD_HARPOON(port + hp_page_ctrl) | G_INT_DISABLE));
WRW_HARPOON((port + hp_intstat), CLR_ALL_INT);
WR_HARPOON(port + hp_scsictrl_0, SCSI_RST);
scsiID = RD_HARPOON(port + hp_seltimeout);
WR_HARPOON(port + hp_seltimeout, TO_5ms);
WRW_HARPOON((port + hp_intstat), TIMEOUT);
WR_HARPOON(port + hp_portctrl_0, (SCSI_PORT | START_TO));
while (!(RDW_HARPOON((port + hp_intstat)) & TIMEOUT)) {
}
WR_HARPOON(port + hp_seltimeout, scsiID);
WR_HARPOON(port + hp_scsictrl_0, ENA_SCAM_SEL);
FPT_Wait(port, TO_5ms);
WRW_HARPOON((port + hp_intstat), CLR_ALL_INT);
WR_HARPOON(port + hp_int_mask, (RD_HARPOON(port + hp_int_mask) | 0x00));
for (scsiID = 0; scsiID < MAX_SCSI_TAR; scsiID++) {
currTar_Info = &FPT_sccbMgrTbl[p_card][scsiID];
if (currTar_Info->TarEEValue & EE_SYNC_MASK) {
currTar_Info->TarSyncCtrl = 0;
currTar_Info->TarStatus &= ~TAR_SYNC_MASK;
}
if (currTar_Info->TarEEValue & EE_WIDE_SCSI) {
currTar_Info->TarStatus &= ~TAR_WIDE_MASK;
}
FPT_sssyncv(port, scsiID, NARROW_SCSI, currTar_Info);
FPT_SccbMgrTableInitTarget(p_card, scsiID);
}
FPT_BL_Card[p_card].scanIndex = 0x00;
FPT_BL_Card[p_card].currentSCCB = NULL;
FPT_BL_Card[p_card].globalFlags &= ~(F_TAG_STARTED | F_HOST_XFER_ACT
| F_NEW_SCCB_CMD);
FPT_BL_Card[p_card].cmdCounter = 0x00;
FPT_BL_Card[p_card].discQCount = 0x00;
FPT_BL_Card[p_card].tagQ_Lst = 0x01;
for (i = 0; i < QUEUE_DEPTH; i++)
FPT_BL_Card[p_card].discQ_Tbl[i] = NULL;
WR_HARPOON(port + hp_page_ctrl,
(RD_HARPOON(port + hp_page_ctrl) & ~G_INT_DISABLE));
}
/*---------------------------------------------------------------------
*
* Function: FPT_ssenss
*
* Description: Setup for the Auto Sense command.
*
*---------------------------------------------------------------------*/
static void FPT_ssenss(struct sccb_card *pCurrCard)
{
unsigned char i;
struct sccb *currSCCB;
currSCCB = pCurrCard->currentSCCB;
currSCCB->Save_CdbLen = currSCCB->CdbLength;
for (i = 0; i < 6; i++) {
currSCCB->Save_Cdb[i] = currSCCB->Cdb[i];
}
currSCCB->CdbLength = SIX_BYTE_CMD;
currSCCB->Cdb[0] = SCSI_REQUEST_SENSE;
currSCCB->Cdb[1] = currSCCB->Cdb[1] & (unsigned char)0xE0; /*Keep LUN. */
currSCCB->Cdb[2] = 0x00;
currSCCB->Cdb[3] = 0x00;
currSCCB->Cdb[4] = currSCCB->RequestSenseLength;
currSCCB->Cdb[5] = 0x00;
currSCCB->Sccb_XferCnt = (unsigned long)currSCCB->RequestSenseLength;
currSCCB->Sccb_ATC = 0x00;
currSCCB->Sccb_XferState |= F_AUTO_SENSE;
currSCCB->Sccb_XferState &= ~F_SG_XFER;
currSCCB->Sccb_idmsg = currSCCB->Sccb_idmsg & ~(unsigned char)DISC_PRIV;
currSCCB->ControlByte = 0x00;
currSCCB->Sccb_MGRFlags &= F_STATUSLOADED;
}
/*---------------------------------------------------------------------
*
* Function: FPT_sxfrp
*
* Description: Transfer data into the bit bucket until the device
* decides to switch phase.
*
*---------------------------------------------------------------------*/
static void FPT_sxfrp(unsigned long p_port, unsigned char p_card)
{
unsigned char curr_phz;
DISABLE_AUTO(p_port);
if (FPT_BL_Card[p_card].globalFlags & F_HOST_XFER_ACT) {
FPT_hostDataXferAbort(p_port, p_card,
FPT_BL_Card[p_card].currentSCCB);
}
/* If the Automation handled the end of the transfer then do not
match the phase or we will get out of sync with the ISR. */
if (RDW_HARPOON((p_port + hp_intstat)) &
(BUS_FREE | XFER_CNT_0 | AUTO_INT))
return;
WR_HARPOON(p_port + hp_xfercnt_0, 0x00);
curr_phz = RD_HARPOON(p_port + hp_scsisig) & (unsigned char)S_SCSI_PHZ;
WRW_HARPOON((p_port + hp_intstat), XFER_CNT_0);
WR_HARPOON(p_port + hp_scsisig, curr_phz);
while (!(RDW_HARPOON((p_port + hp_intstat)) & (BUS_FREE | RESET)) &&
(curr_phz ==
(RD_HARPOON(p_port + hp_scsisig) & (unsigned char)S_SCSI_PHZ)))
{
if (curr_phz & (unsigned char)SCSI_IOBIT) {
WR_HARPOON(p_port + hp_portctrl_0,
(SCSI_PORT | HOST_PORT | SCSI_INBIT));
if (!(RD_HARPOON(p_port + hp_xferstat) & FIFO_EMPTY)) {
RD_HARPOON(p_port + hp_fifodata_0);
}
} else {
WR_HARPOON(p_port + hp_portctrl_0,
(SCSI_PORT | HOST_PORT | HOST_WRT));
if (RD_HARPOON(p_port + hp_xferstat) & FIFO_EMPTY) {
WR_HARPOON(p_port + hp_fifodata_0, 0xFA);
}
}
} /* End of While loop for padding data I/O phase */
while (!(RDW_HARPOON((p_port + hp_intstat)) & (BUS_FREE | RESET))) {
if (RD_HARPOON(p_port + hp_scsisig) & SCSI_REQ)
break;
}
WR_HARPOON(p_port + hp_portctrl_0,
(SCSI_PORT | HOST_PORT | SCSI_INBIT));
while (!(RD_HARPOON(p_port + hp_xferstat) & FIFO_EMPTY)) {
RD_HARPOON(p_port + hp_fifodata_0);
}
if (!(RDW_HARPOON((p_port + hp_intstat)) & (BUS_FREE | RESET))) {
WR_HARPOON(p_port + hp_autostart_0,
(AUTO_IMMED + DISCONNECT_START));
while (!(RDW_HARPOON((p_port + hp_intstat)) & AUTO_INT)) {
}
if (RDW_HARPOON((p_port + hp_intstat)) &
(ICMD_COMP | ITAR_DISC))
while (!
(RDW_HARPOON((p_port + hp_intstat)) &
(BUS_FREE | RSEL))) ;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_schkdd
*
* Description: Make sure data has been flushed from both FIFOs and abort
* the operations if necessary.
*
*---------------------------------------------------------------------*/
static void FPT_schkdd(unsigned long port, unsigned char p_card)
{
unsigned short TimeOutLoop;
unsigned char sPhase;
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if ((currSCCB->Sccb_scsistat != DATA_OUT_ST) &&
(currSCCB->Sccb_scsistat != DATA_IN_ST)) {
return;
}
if (currSCCB->Sccb_XferState & F_ODD_BALL_CNT) {
currSCCB->Sccb_ATC += (currSCCB->Sccb_XferCnt - 1);
currSCCB->Sccb_XferCnt = 1;
currSCCB->Sccb_XferState &= ~F_ODD_BALL_CNT;
WRW_HARPOON((port + hp_fiforead), (unsigned short)0x00);
WR_HARPOON(port + hp_xferstat, 0x00);
}
else {
currSCCB->Sccb_ATC += currSCCB->Sccb_XferCnt;
currSCCB->Sccb_XferCnt = 0;
}
if ((RDW_HARPOON((port + hp_intstat)) & PARITY) &&
(currSCCB->HostStatus == SCCB_COMPLETE)) {
currSCCB->HostStatus = SCCB_PARITY_ERR;
WRW_HARPOON((port + hp_intstat), PARITY);
}
FPT_hostDataXferAbort(port, p_card, currSCCB);
while (RD_HARPOON(port + hp_scsisig) & SCSI_ACK) {
}
TimeOutLoop = 0;
while (RD_HARPOON(port + hp_xferstat) & FIFO_EMPTY) {
if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) {
return;
}
if (RD_HARPOON(port + hp_offsetctr) & (unsigned char)0x1F) {
break;
}
if (RDW_HARPOON((port + hp_intstat)) & RESET) {
return;
}
if ((RD_HARPOON(port + hp_scsisig) & SCSI_REQ)
|| (TimeOutLoop++ > 0x3000))
break;
}
sPhase = RD_HARPOON(port + hp_scsisig) & (SCSI_BSY | S_SCSI_PHZ);
if ((!(RD_HARPOON(port + hp_xferstat) & FIFO_EMPTY)) ||
(RD_HARPOON(port + hp_offsetctr) & (unsigned char)0x1F) ||
(sPhase == (SCSI_BSY | S_DATAO_PH)) ||
(sPhase == (SCSI_BSY | S_DATAI_PH))) {
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
if (!(currSCCB->Sccb_XferState & F_ALL_XFERRED)) {
if (currSCCB->Sccb_XferState & F_HOST_XFER_DIR) {
FPT_phaseDataIn(port, p_card);
}
else {
FPT_phaseDataOut(port, p_card);
}
} else {
FPT_sxfrp(port, p_card);
if (!(RDW_HARPOON((port + hp_intstat)) &
(BUS_FREE | ICMD_COMP | ITAR_DISC | RESET))) {
WRW_HARPOON((port + hp_intstat), AUTO_INT);
FPT_phaseDecode(port, p_card);
}
}
}
else {
WR_HARPOON(port + hp_portctrl_0, 0x00);
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_sinits
*
* Description: Setup SCCB manager fields in this SCCB.
*
*---------------------------------------------------------------------*/
static void FPT_sinits(struct sccb *p_sccb, unsigned char p_card)
{
struct sccb_mgr_tar_info *currTar_Info;
if ((p_sccb->TargID > MAX_SCSI_TAR) || (p_sccb->Lun > MAX_LUN)) {
return;
}
currTar_Info = &FPT_sccbMgrTbl[p_card][p_sccb->TargID];
p_sccb->Sccb_XferState = 0x00;
p_sccb->Sccb_XferCnt = p_sccb->DataLength;
if ((p_sccb->OperationCode == SCATTER_GATHER_COMMAND) ||
(p_sccb->OperationCode == RESIDUAL_SG_COMMAND)) {
p_sccb->Sccb_SGoffset = 0;
p_sccb->Sccb_XferState = F_SG_XFER;
p_sccb->Sccb_XferCnt = 0x00;
}
if (p_sccb->DataLength == 0x00)
p_sccb->Sccb_XferState |= F_ALL_XFERRED;
if (p_sccb->ControlByte & F_USE_CMD_Q) {
if ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) == TAG_Q_REJECT)
p_sccb->ControlByte &= ~F_USE_CMD_Q;
else
currTar_Info->TarStatus |= TAG_Q_TRYING;
}
/* For !single SCSI device in system & device allow Disconnect
or command is tag_q type then send Cmd with Disconnect Enable
else send Cmd with Disconnect Disable */
/*
if (((!(FPT_BL_Card[p_card].globalFlags & F_SINGLE_DEVICE)) &&
(currTar_Info->TarStatus & TAR_ALLOW_DISC)) ||
(currTar_Info->TarStatus & TAG_Q_TRYING)) {
*/
if ((currTar_Info->TarStatus & TAR_ALLOW_DISC) ||
(currTar_Info->TarStatus & TAG_Q_TRYING)) {
p_sccb->Sccb_idmsg =
(unsigned char)(SMIDENT | DISC_PRIV) | p_sccb->Lun;
}
else {
p_sccb->Sccb_idmsg = (unsigned char)SMIDENT | p_sccb->Lun;
}
p_sccb->HostStatus = 0x00;
p_sccb->TargetStatus = 0x00;
p_sccb->Sccb_tag = 0x00;
p_sccb->Sccb_MGRFlags = 0x00;
p_sccb->Sccb_sgseg = 0x00;
p_sccb->Sccb_ATC = 0x00;
p_sccb->Sccb_savedATC = 0x00;
/*
p_sccb->SccbVirtDataPtr = 0x00;
p_sccb->Sccb_forwardlink = NULL;
p_sccb->Sccb_backlink = NULL;
*/
p_sccb->Sccb_scsistat = BUS_FREE_ST;
p_sccb->SccbStatus = SCCB_IN_PROCESS;
p_sccb->Sccb_scsimsg = SMNO_OP;
}
/*---------------------------------------------------------------------
*
* Function: Phase Decode
*
* Description: Determine the phase and call the appropriate function.
*
*---------------------------------------------------------------------*/
static void FPT_phaseDecode(unsigned long p_port, unsigned char p_card)
{
unsigned char phase_ref;
void (*phase) (unsigned long, unsigned char);
DISABLE_AUTO(p_port);
phase_ref =
(unsigned char)(RD_HARPOON(p_port + hp_scsisig) & S_SCSI_PHZ);
phase = FPT_s_PhaseTbl[phase_ref];
(*phase) (p_port, p_card); /* Call the correct phase func */
}
/*---------------------------------------------------------------------
*
* Function: Data Out Phase
*
* Description: Start up both the BusMaster and Xbow.
*
*---------------------------------------------------------------------*/
static void FPT_phaseDataOut(unsigned long port, unsigned char p_card)
{
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB == NULL) {
return; /* Exit if No SCCB record */
}
currSCCB->Sccb_scsistat = DATA_OUT_ST;
currSCCB->Sccb_XferState &= ~(F_HOST_XFER_DIR | F_NO_DATA_YET);
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
WRW_HARPOON((port + hp_intstat), XFER_CNT_0);
WR_HARPOON(port + hp_autostart_0, (END_DATA + END_DATA_START));
FPT_dataXferProcessor(port, &FPT_BL_Card[p_card]);
if (currSCCB->Sccb_XferCnt == 0) {
if ((currSCCB->ControlByte & SCCB_DATA_XFER_OUT) &&
(currSCCB->HostStatus == SCCB_COMPLETE))
currSCCB->HostStatus = SCCB_DATA_OVER_RUN;
FPT_sxfrp(port, p_card);
if (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | RESET)))
FPT_phaseDecode(port, p_card);
}
}
/*---------------------------------------------------------------------
*
* Function: Data In Phase
*
* Description: Startup the BusMaster and the XBOW.
*
*---------------------------------------------------------------------*/
static void FPT_phaseDataIn(unsigned long port, unsigned char p_card)
{
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB == NULL) {
return; /* Exit if No SCCB record */
}
currSCCB->Sccb_scsistat = DATA_IN_ST;
currSCCB->Sccb_XferState |= F_HOST_XFER_DIR;
currSCCB->Sccb_XferState &= ~F_NO_DATA_YET;
WR_HARPOON(port + hp_portctrl_0, SCSI_PORT);
WRW_HARPOON((port + hp_intstat), XFER_CNT_0);
WR_HARPOON(port + hp_autostart_0, (END_DATA + END_DATA_START));
FPT_dataXferProcessor(port, &FPT_BL_Card[p_card]);
if (currSCCB->Sccb_XferCnt == 0) {
if ((currSCCB->ControlByte & SCCB_DATA_XFER_IN) &&
(currSCCB->HostStatus == SCCB_COMPLETE))
currSCCB->HostStatus = SCCB_DATA_OVER_RUN;
FPT_sxfrp(port, p_card);
if (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | RESET)))
FPT_phaseDecode(port, p_card);
}
}
/*---------------------------------------------------------------------
*
* Function: Command Phase
*
* Description: Load the CDB into the automation and start it up.
*
*---------------------------------------------------------------------*/
static void FPT_phaseCommand(unsigned long p_port, unsigned char p_card)
{
struct sccb *currSCCB;
unsigned long cdb_reg;
unsigned char i;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB->OperationCode == RESET_COMMAND) {
currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL;
currSCCB->CdbLength = SIX_BYTE_CMD;
}
WR_HARPOON(p_port + hp_scsisig, 0x00);
ARAM_ACCESS(p_port);
cdb_reg = p_port + CMD_STRT;
for (i = 0; i < currSCCB->CdbLength; i++) {
if (currSCCB->OperationCode == RESET_COMMAND)
WRW_HARPOON(cdb_reg, (MPM_OP + ACOMMAND + 0x00));
else
WRW_HARPOON(cdb_reg,
(MPM_OP + ACOMMAND + currSCCB->Cdb[i]));
cdb_reg += 2;
}
if (currSCCB->CdbLength != TWELVE_BYTE_CMD)
WRW_HARPOON(cdb_reg, (BRH_OP + ALWAYS + NP));
WR_HARPOON(p_port + hp_portctrl_0, (SCSI_PORT));
currSCCB->Sccb_scsistat = COMMAND_ST;
WR_HARPOON(p_port + hp_autostart_3, (AUTO_IMMED | CMD_ONLY_STRT));
SGRAM_ACCESS(p_port);
}
/*---------------------------------------------------------------------
*
* Function: Status phase
*
* Description: Bring in the status and command complete message bytes
*
*---------------------------------------------------------------------*/
static void FPT_phaseStatus(unsigned long port, unsigned char p_card)
{
/* Start-up the automation to finish off this command and let the
isr handle the interrupt for command complete when it comes in.
We could wait here for the interrupt to be generated?
*/
WR_HARPOON(port + hp_scsisig, 0x00);
WR_HARPOON(port + hp_autostart_0, (AUTO_IMMED + END_DATA_START));
}
/*---------------------------------------------------------------------
*
* Function: Phase Message Out
*
* Description: Send out our message (if we have one) and handle whatever
* else is involed.
*
*---------------------------------------------------------------------*/
static void FPT_phaseMsgOut(unsigned long port, unsigned char p_card)
{
unsigned char message, scsiID;
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB != NULL) {
message = currSCCB->Sccb_scsimsg;
scsiID = currSCCB->TargID;
if (message == SMDEV_RESET) {
currTar_Info = &FPT_sccbMgrTbl[p_card][scsiID];
currTar_Info->TarSyncCtrl = 0;
FPT_sssyncv(port, scsiID, NARROW_SCSI, currTar_Info);
if (FPT_sccbMgrTbl[p_card][scsiID].
TarEEValue & EE_SYNC_MASK) {
FPT_sccbMgrTbl[p_card][scsiID].TarStatus &=
~TAR_SYNC_MASK;
}
if (FPT_sccbMgrTbl[p_card][scsiID].
TarEEValue & EE_WIDE_SCSI) {
FPT_sccbMgrTbl[p_card][scsiID].TarStatus &=
~TAR_WIDE_MASK;
}
FPT_queueFlushSccb(p_card, SCCB_COMPLETE);
FPT_SccbMgrTableInitTarget(p_card, scsiID);
} else if (currSCCB->Sccb_scsistat == ABORT_ST) {
currSCCB->HostStatus = SCCB_COMPLETE;
if (FPT_BL_Card[p_card].discQ_Tbl[currSCCB->Sccb_tag] !=
NULL) {
FPT_BL_Card[p_card].discQ_Tbl[currSCCB->
Sccb_tag] = NULL;
FPT_sccbMgrTbl[p_card][scsiID].TarTagQ_Cnt--;
}
}
else if (currSCCB->Sccb_scsistat < COMMAND_ST) {
if (message == SMNO_OP) {
currSCCB->Sccb_MGRFlags |= F_DEV_SELECTED;
FPT_ssel(port, p_card);
return;
}
} else {
if (message == SMABORT)
FPT_queueFlushSccb(p_card, SCCB_COMPLETE);
}
} else {
message = SMABORT;
}
WRW_HARPOON((port + hp_intstat), (BUS_FREE | PHASE | XFER_CNT_0));
WR_HARPOON(port + hp_portctrl_0, SCSI_BUS_EN);
WR_HARPOON(port + hp_scsidata_0, message);
WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH));
ACCEPT_MSG(port);
WR_HARPOON(port + hp_portctrl_0, 0x00);
if ((message == SMABORT) || (message == SMDEV_RESET) ||
(message == SMABORT_TAG)) {
while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | PHASE))) {
}
if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) {
WRW_HARPOON((port + hp_intstat), BUS_FREE);
if (currSCCB != NULL) {
if ((FPT_BL_Card[p_card].
globalFlags & F_CONLUN_IO)
&&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))
FPT_sccbMgrTbl[p_card][currSCCB->
TargID].
TarLUNBusy[currSCCB->Lun] = 0;
else
FPT_sccbMgrTbl[p_card][currSCCB->
TargID].
TarLUNBusy[0] = 0;
FPT_queueCmdComplete(&FPT_BL_Card[p_card],
currSCCB, p_card);
}
else {
FPT_BL_Card[p_card].globalFlags |=
F_NEW_SCCB_CMD;
}
}
else {
FPT_sxfrp(port, p_card);
}
}
else {
if (message == SMPARITY) {
currSCCB->Sccb_scsimsg = SMNO_OP;
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
} else {
FPT_sxfrp(port, p_card);
}
}
}
/*---------------------------------------------------------------------
*
* Function: Message In phase
*
* Description: Bring in the message and determine what to do with it.
*
*---------------------------------------------------------------------*/
static void FPT_phaseMsgIn(unsigned long port, unsigned char p_card)
{
unsigned char message;
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (FPT_BL_Card[p_card].globalFlags & F_HOST_XFER_ACT) {
FPT_phaseChkFifo(port, p_card);
}
message = RD_HARPOON(port + hp_scsidata_0);
if ((message == SMDISC) || (message == SMSAVE_DATA_PTR)) {
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + END_DATA_START));
}
else {
message = FPT_sfm(port, currSCCB);
if (message) {
FPT_sdecm(message, port, p_card);
} else {
if (currSCCB->Sccb_scsimsg != SMPARITY)
ACCEPT_MSG(port);
WR_HARPOON(port + hp_autostart_1,
(AUTO_IMMED + DISCONNECT_START));
}
}
}
/*---------------------------------------------------------------------
*
* Function: Illegal phase
*
* Description: Target switched to some illegal phase, so all we can do
* is report an error back to the host (if that is possible)
* and send an ABORT message to the misbehaving target.
*
*---------------------------------------------------------------------*/
static void FPT_phaseIllegal(unsigned long port, unsigned char p_card)
{
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
WR_HARPOON(port + hp_scsisig, RD_HARPOON(port + hp_scsisig));
if (currSCCB != NULL) {
currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL;
currSCCB->Sccb_scsistat = ABORT_ST;
currSCCB->Sccb_scsimsg = SMABORT;
}
ACCEPT_MSG_ATN(port);
}
/*---------------------------------------------------------------------
*
* Function: Phase Check FIFO
*
* Description: Make sure data has been flushed from both FIFOs and abort
* the operations if necessary.
*
*---------------------------------------------------------------------*/
static void FPT_phaseChkFifo(unsigned long port, unsigned char p_card)
{
unsigned long xfercnt;
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB->Sccb_scsistat == DATA_IN_ST) {
while ((!(RD_HARPOON(port + hp_xferstat) & FIFO_EMPTY)) &&
(RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY)) {
}
if (!(RD_HARPOON(port + hp_xferstat) & FIFO_EMPTY)) {
currSCCB->Sccb_ATC += currSCCB->Sccb_XferCnt;
currSCCB->Sccb_XferCnt = 0;
if ((RDW_HARPOON((port + hp_intstat)) & PARITY) &&
(currSCCB->HostStatus == SCCB_COMPLETE)) {
currSCCB->HostStatus = SCCB_PARITY_ERR;
WRW_HARPOON((port + hp_intstat), PARITY);
}
FPT_hostDataXferAbort(port, p_card, currSCCB);
FPT_dataXferProcessor(port, &FPT_BL_Card[p_card]);
while ((!(RD_HARPOON(port + hp_xferstat) & FIFO_EMPTY))
&& (RD_HARPOON(port + hp_ext_status) &
BM_CMD_BUSY)) {
}
}
}
/*End Data In specific code. */
GET_XFER_CNT(port, xfercnt);
WR_HARPOON(port + hp_xfercnt_0, 0x00);
WR_HARPOON(port + hp_portctrl_0, 0x00);
currSCCB->Sccb_ATC += (currSCCB->Sccb_XferCnt - xfercnt);
currSCCB->Sccb_XferCnt = xfercnt;
if ((RDW_HARPOON((port + hp_intstat)) & PARITY) &&
(currSCCB->HostStatus == SCCB_COMPLETE)) {
currSCCB->HostStatus = SCCB_PARITY_ERR;
WRW_HARPOON((port + hp_intstat), PARITY);
}
FPT_hostDataXferAbort(port, p_card, currSCCB);
WR_HARPOON(port + hp_fifowrite, 0x00);
WR_HARPOON(port + hp_fiforead, 0x00);
WR_HARPOON(port + hp_xferstat, 0x00);
WRW_HARPOON((port + hp_intstat), XFER_CNT_0);
}
/*---------------------------------------------------------------------
*
* Function: Phase Bus Free
*
* Description: We just went bus free so figure out if it was
* because of command complete or from a disconnect.
*
*---------------------------------------------------------------------*/
static void FPT_phaseBusFree(unsigned long port, unsigned char p_card)
{
struct sccb *currSCCB;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB != NULL) {
DISABLE_AUTO(port);
if (currSCCB->OperationCode == RESET_COMMAND) {
if ((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] = 0;
else
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[0] = 0;
FPT_queueCmdComplete(&FPT_BL_Card[p_card], currSCCB,
p_card);
FPT_queueSearchSelect(&FPT_BL_Card[p_card], p_card);
}
else if (currSCCB->Sccb_scsistat == SELECT_SN_ST) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus |=
(unsigned char)SYNC_SUPPORTED;
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &=
~EE_SYNC_MASK;
}
else if (currSCCB->Sccb_scsistat == SELECT_WN_ST) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus =
(FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & ~WIDE_ENABLED) | WIDE_NEGOCIATED;
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &=
~EE_WIDE_SCSI;
}
else if (currSCCB->Sccb_scsistat == SELECT_Q_ST) {
/* Make sure this is not a phony BUS_FREE. If we were
reselected or if BUSY is NOT on then this is a
valid BUS FREE. SRR Wednesday, 5/10/1995. */
if ((!(RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) ||
(RDW_HARPOON((port + hp_intstat)) & RSEL)) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus &= ~TAR_TAG_Q_MASK;
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus |= TAG_Q_REJECT;
}
else {
return;
}
}
else {
currSCCB->Sccb_scsistat = BUS_FREE_ST;
if (!currSCCB->HostStatus) {
currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL;
}
if ((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] = 0;
else
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[0] = 0;
FPT_queueCmdComplete(&FPT_BL_Card[p_card], currSCCB,
p_card);
return;
}
FPT_BL_Card[p_card].globalFlags |= F_NEW_SCCB_CMD;
} /*end if !=null */
}
/*---------------------------------------------------------------------
*
* Function: Auto Load Default Map
*
* Description: Load the Automation RAM with the defualt map values.
*
*---------------------------------------------------------------------*/
static void FPT_autoLoadDefaultMap(unsigned long p_port)
{
unsigned long map_addr;
ARAM_ACCESS(p_port);
map_addr = p_port + hp_aramBase;
WRW_HARPOON(map_addr, (MPM_OP + AMSG_OUT + 0xC0)); /*ID MESSAGE */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + AMSG_OUT + 0x20)); /*SIMPLE TAG QUEUEING MSG */
map_addr += 2;
WRW_HARPOON(map_addr, RAT_OP); /*RESET ATTENTION */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + AMSG_OUT + 0x00)); /*TAG ID MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 0 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 1 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 2 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 3 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 4 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 5 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 6 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 7 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 8 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 9 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 10 */
map_addr += 2;
WRW_HARPOON(map_addr, (MPM_OP + ACOMMAND + 0x00)); /*CDB BYTE 11 */
map_addr += 2;
WRW_HARPOON(map_addr, (CPE_OP + ADATA_OUT + DINT)); /*JUMP IF DATA OUT */
map_addr += 2;
WRW_HARPOON(map_addr, (TCB_OP + FIFO_0 + DI)); /*JUMP IF NO DATA IN FIFO */
map_addr += 2; /*This means AYNC DATA IN */
WRW_HARPOON(map_addr, (SSI_OP + SSI_IDO_STRT)); /*STOP AND INTERRUPT */
map_addr += 2;
WRW_HARPOON(map_addr, (CPE_OP + ADATA_IN + DINT)); /*JUMP IF NOT DATA IN PHZ */
map_addr += 2;
WRW_HARPOON(map_addr, (CPN_OP + AMSG_IN + ST)); /*IF NOT MSG IN CHECK 4 DATA IN */
map_addr += 2;
WRW_HARPOON(map_addr, (CRD_OP + SDATA + 0x02)); /*SAVE DATA PTR MSG? */
map_addr += 2;
WRW_HARPOON(map_addr, (BRH_OP + NOT_EQ + DC)); /*GO CHECK FOR DISCONNECT MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (MRR_OP + SDATA + D_AR1)); /*SAVE DATA PTRS MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (CPN_OP + AMSG_IN + ST)); /*IF NOT MSG IN CHECK DATA IN */
map_addr += 2;
WRW_HARPOON(map_addr, (CRD_OP + SDATA + 0x04)); /*DISCONNECT MSG? */
map_addr += 2;
WRW_HARPOON(map_addr, (BRH_OP + NOT_EQ + UNKNWN)); /*UKNKNOWN MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (MRR_OP + SDATA + D_BUCKET)); /*XFER DISCONNECT MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_ITAR_DISC)); /*STOP AND INTERRUPT */
map_addr += 2;
WRW_HARPOON(map_addr, (CPN_OP + ASTATUS + UNKNWN)); /*JUMP IF NOT STATUS PHZ. */
map_addr += 2;
WRW_HARPOON(map_addr, (MRR_OP + SDATA + D_AR0)); /*GET STATUS BYTE */
map_addr += 2;
WRW_HARPOON(map_addr, (CPN_OP + AMSG_IN + CC)); /*ERROR IF NOT MSG IN PHZ */
map_addr += 2;
WRW_HARPOON(map_addr, (CRD_OP + SDATA + 0x00)); /*CHECK FOR CMD COMPLETE MSG. */
map_addr += 2;
WRW_HARPOON(map_addr, (BRH_OP + NOT_EQ + CC)); /*ERROR IF NOT CMD COMPLETE MSG. */
map_addr += 2;
WRW_HARPOON(map_addr, (MRR_OP + SDATA + D_BUCKET)); /*GET CMD COMPLETE MSG */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_ICMD_COMP)); /*END OF COMMAND */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_IUNKWN)); /*RECEIVED UNKNOWN MSG BYTE */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_INO_CC)); /*NO COMMAND COMPLETE AFTER STATUS */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_ITICKLE)); /*BIOS Tickled the Mgr */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_IRFAIL)); /*EXPECTED ID/TAG MESSAGES AND */
map_addr += 2; /* DIDN'T GET ONE */
WRW_HARPOON(map_addr, (CRR_OP + AR3 + S_IDREG)); /* comp SCSI SEL ID & AR3 */
map_addr += 2;
WRW_HARPOON(map_addr, (BRH_OP + EQUAL + 0x00)); /*SEL ID OK then Conti. */
map_addr += 2;
WRW_HARPOON(map_addr, (SSI_OP + SSI_INO_CC)); /*NO COMMAND COMPLETE AFTER STATUS */
SGRAM_ACCESS(p_port);
}
/*---------------------------------------------------------------------
*
* Function: Auto Command Complete
*
* Description: Post command back to host and find another command
* to execute.
*
*---------------------------------------------------------------------*/
static void FPT_autoCmdCmplt(unsigned long p_port, unsigned char p_card)
{
struct sccb *currSCCB;
unsigned char status_byte;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
status_byte = RD_HARPOON(p_port + hp_gp_reg_0);
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarLUN_CA = 0;
if (status_byte != SSGOOD) {
if (status_byte == SSQ_FULL) {
if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] = 1;
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[currSCCB->Lun]] =
NULL;
} else {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[0] = 1;
if (currSCCB->Sccb_tag) {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].discQ_Tbl[currSCCB->
Sccb_tag]
= NULL;
} else {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[0]] = NULL;
}
}
currSCCB->Sccb_MGRFlags |= F_STATUSLOADED;
FPT_queueSelectFail(&FPT_BL_Card[p_card], p_card);
return;
}
if (currSCCB->Sccb_scsistat == SELECT_SN_ST) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus |=
(unsigned char)SYNC_SUPPORTED;
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &=
~EE_SYNC_MASK;
FPT_BL_Card[p_card].globalFlags |= F_NEW_SCCB_CMD;
if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] = 1;
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[currSCCB->Lun]] =
NULL;
} else {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[0] = 1;
if (currSCCB->Sccb_tag) {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].discQ_Tbl[currSCCB->
Sccb_tag]
= NULL;
} else {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[0]] = NULL;
}
}
return;
}
if (currSCCB->Sccb_scsistat == SELECT_WN_ST) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus =
(FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & ~WIDE_ENABLED) | WIDE_NEGOCIATED;
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &=
~EE_WIDE_SCSI;
FPT_BL_Card[p_card].globalFlags |= F_NEW_SCCB_CMD;
if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] = 1;
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[currSCCB->Lun]] =
NULL;
} else {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUNBusy[0] = 1;
if (currSCCB->Sccb_tag) {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].discQ_Tbl[currSCCB->
Sccb_tag]
= NULL;
} else {
if (FPT_BL_Card[p_card].discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
LunDiscQ_Idx[0]] = NULL;
}
}
return;
}
if (status_byte == SSCHECK) {
if (FPT_BL_Card[p_card].globalFlags & F_DO_RENEGO) {
if (FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarEEValue & EE_SYNC_MASK) {
FPT_sccbMgrTbl[p_card][currSCCB->
TargID].
TarStatus &= ~TAR_SYNC_MASK;
}
if (FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarEEValue & EE_WIDE_SCSI) {
FPT_sccbMgrTbl[p_card][currSCCB->
TargID].
TarStatus &= ~TAR_WIDE_MASK;
}
}
}
if (!(currSCCB->Sccb_XferState & F_AUTO_SENSE)) {
currSCCB->SccbStatus = SCCB_ERROR;
currSCCB->TargetStatus = status_byte;
if (status_byte == SSCHECK) {
FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarLUN_CA = 1;
if (currSCCB->RequestSenseLength !=
NO_AUTO_REQUEST_SENSE) {
if (currSCCB->RequestSenseLength == 0)
currSCCB->RequestSenseLength =
14;
FPT_ssenss(&FPT_BL_Card[p_card]);
FPT_BL_Card[p_card].globalFlags |=
F_NEW_SCCB_CMD;
if (((FPT_BL_Card[p_card].
globalFlags & F_CONLUN_IO)
&&
((FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))) {
FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
TarLUNBusy[currSCCB->Lun] =
1;
if (FPT_BL_Card[p_card].
discQCount != 0)
FPT_BL_Card[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[FPT_sccbMgrTbl
[p_card]
[currSCCB->
TargID].
LunDiscQ_Idx
[currSCCB->Lun]] =
NULL;
} else {
FPT_sccbMgrTbl[p_card]
[currSCCB->TargID].
TarLUNBusy[0] = 1;
if (currSCCB->Sccb_tag) {
if (FPT_BL_Card[p_card].
discQCount != 0)
FPT_BL_Card
[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl[currSCCB->
Sccb_tag]
= NULL;
} else {
if (FPT_BL_Card[p_card].
discQCount != 0)
FPT_BL_Card
[p_card].
discQCount--;
FPT_BL_Card[p_card].
discQ_Tbl
[FPT_sccbMgrTbl
[p_card][currSCCB->
TargID].
LunDiscQ_Idx[0]] =
NULL;
}
}
return;
}
}
}
}
if ((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((FPT_sccbMgrTbl[p_card][currSCCB->TargID].
TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarLUNBusy[currSCCB->
Lun] = 0;
else
FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarLUNBusy[0] = 0;
FPT_queueCmdComplete(&FPT_BL_Card[p_card], currSCCB, p_card);
}
#define SHORT_WAIT 0x0000000F
#define LONG_WAIT 0x0000FFFFL
/*---------------------------------------------------------------------
*
* Function: Data Transfer Processor
*
* Description: This routine performs two tasks.
* (1) Start data transfer by calling HOST_DATA_XFER_START
* function. Once data transfer is started, (2) Depends
* on the type of data transfer mode Scatter/Gather mode
* or NON Scatter/Gather mode. In NON Scatter/Gather mode,
* this routine checks Sccb_MGRFlag (F_HOST_XFER_ACT bit) for
* data transfer done. In Scatter/Gather mode, this routine
* checks bus master command complete and dual rank busy
* bit to keep chaining SC transfer command. Similarly,
* in Scatter/Gather mode, it checks Sccb_MGRFlag
* (F_HOST_XFER_ACT bit) for data transfer done.
*
*---------------------------------------------------------------------*/
static void FPT_dataXferProcessor(unsigned long port,
struct sccb_card *pCurrCard)
{
struct sccb *currSCCB;
currSCCB = pCurrCard->currentSCCB;
if (currSCCB->Sccb_XferState & F_SG_XFER) {
if (pCurrCard->globalFlags & F_HOST_XFER_ACT)
{
currSCCB->Sccb_sgseg += (unsigned char)SG_BUF_CNT;
currSCCB->Sccb_SGoffset = 0x00;
}
pCurrCard->globalFlags |= F_HOST_XFER_ACT;
FPT_busMstrSGDataXferStart(port, currSCCB);
}
else {
if (!(pCurrCard->globalFlags & F_HOST_XFER_ACT)) {
pCurrCard->globalFlags |= F_HOST_XFER_ACT;
FPT_busMstrDataXferStart(port, currSCCB);
}
}
}
/*---------------------------------------------------------------------
*
* Function: BusMaster Scatter Gather Data Transfer Start
*
* Description:
*
*---------------------------------------------------------------------*/
static void FPT_busMstrSGDataXferStart(unsigned long p_port,
struct sccb *pcurrSCCB)
{
unsigned long count, addr, tmpSGCnt;
unsigned int sg_index;
unsigned char sg_count, i;
unsigned long reg_offset;
if (pcurrSCCB->Sccb_XferState & F_HOST_XFER_DIR) {
count = ((unsigned long)HOST_RD_CMD) << 24;
}
else {
count = ((unsigned long)HOST_WRT_CMD) << 24;
}
sg_count = 0;
tmpSGCnt = 0;
sg_index = pcurrSCCB->Sccb_sgseg;
reg_offset = hp_aramBase;
i = (unsigned char)(RD_HARPOON(p_port + hp_page_ctrl) &
~(SGRAM_ARAM | SCATTER_EN));
WR_HARPOON(p_port + hp_page_ctrl, i);
while ((sg_count < (unsigned char)SG_BUF_CNT) &&
((unsigned long)(sg_index * (unsigned int)SG_ELEMENT_SIZE) <
pcurrSCCB->DataLength)) {
tmpSGCnt += *(((unsigned long *)pcurrSCCB->DataPointer) +
(sg_index * 2));
count |= *(((unsigned long *)pcurrSCCB->DataPointer) +
(sg_index * 2));
addr = *(((unsigned long *)pcurrSCCB->DataPointer) +
((sg_index * 2) + 1));
if ((!sg_count) && (pcurrSCCB->Sccb_SGoffset)) {
addr +=
((count & 0x00FFFFFFL) - pcurrSCCB->Sccb_SGoffset);
count =
(count & 0xFF000000L) | pcurrSCCB->Sccb_SGoffset;
tmpSGCnt = count & 0x00FFFFFFL;
}
WR_HARP32(p_port, reg_offset, addr);
reg_offset += 4;
WR_HARP32(p_port, reg_offset, count);
reg_offset += 4;
count &= 0xFF000000L;
sg_index++;
sg_count++;
} /*End While */
pcurrSCCB->Sccb_XferCnt = tmpSGCnt;
WR_HARPOON(p_port + hp_sg_addr, (sg_count << 4));
if (pcurrSCCB->Sccb_XferState & F_HOST_XFER_DIR) {
WR_HARP32(p_port, hp_xfercnt_0, tmpSGCnt);
WR_HARPOON(p_port + hp_portctrl_0,
(DMA_PORT | SCSI_PORT | SCSI_INBIT));
WR_HARPOON(p_port + hp_scsisig, S_DATAI_PH);
}
else {
if ((!(RD_HARPOON(p_port + hp_synctarg_0) & NARROW_SCSI)) &&
(tmpSGCnt & 0x000000001)) {
pcurrSCCB->Sccb_XferState |= F_ODD_BALL_CNT;
tmpSGCnt--;
}
WR_HARP32(p_port, hp_xfercnt_0, tmpSGCnt);
WR_HARPOON(p_port + hp_portctrl_0,
(SCSI_PORT | DMA_PORT | DMA_RD));
WR_HARPOON(p_port + hp_scsisig, S_DATAO_PH);
}
WR_HARPOON(p_port + hp_page_ctrl, (unsigned char)(i | SCATTER_EN));
}
/*---------------------------------------------------------------------
*
* Function: BusMaster Data Transfer Start
*
* Description:
*
*---------------------------------------------------------------------*/
static void FPT_busMstrDataXferStart(unsigned long p_port,
struct sccb *pcurrSCCB)
{
unsigned long addr, count;
if (!(pcurrSCCB->Sccb_XferState & F_AUTO_SENSE)) {
count = pcurrSCCB->Sccb_XferCnt;
addr =
(unsigned long)pcurrSCCB->DataPointer + pcurrSCCB->Sccb_ATC;
}
else {
addr = pcurrSCCB->SensePointer;
count = pcurrSCCB->RequestSenseLength;
}
HP_SETUP_ADDR_CNT(p_port, addr, count);
if (pcurrSCCB->Sccb_XferState & F_HOST_XFER_DIR) {
WR_HARPOON(p_port + hp_portctrl_0,
(DMA_PORT | SCSI_PORT | SCSI_INBIT));
WR_HARPOON(p_port + hp_scsisig, S_DATAI_PH);
WR_HARPOON(p_port + hp_xfer_cmd,
(XFER_DMA_HOST | XFER_HOST_AUTO | XFER_DMA_8BIT));
}
else {
WR_HARPOON(p_port + hp_portctrl_0,
(SCSI_PORT | DMA_PORT | DMA_RD));
WR_HARPOON(p_port + hp_scsisig, S_DATAO_PH);
WR_HARPOON(p_port + hp_xfer_cmd,
(XFER_HOST_DMA | XFER_HOST_AUTO | XFER_DMA_8BIT));
}
}
/*---------------------------------------------------------------------
*
* Function: BusMaster Timeout Handler
*
* Description: This function is called after a bus master command busy time
* out is detected. This routines issue halt state machine
* with a software time out for command busy. If command busy
* is still asserted at the end of the time out, it issues
* hard abort with another software time out. It hard abort
* command busy is also time out, it'll just give up.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_busMstrTimeOut(unsigned long p_port)
{
unsigned long timeout;
timeout = LONG_WAIT;
WR_HARPOON(p_port + hp_sys_ctrl, HALT_MACH);
while ((!(RD_HARPOON(p_port + hp_ext_status) & CMD_ABORTED))
&& timeout--) {
}
if (RD_HARPOON(p_port + hp_ext_status) & BM_CMD_BUSY) {
WR_HARPOON(p_port + hp_sys_ctrl, HARD_ABORT);
timeout = LONG_WAIT;
while ((RD_HARPOON(p_port + hp_ext_status) & BM_CMD_BUSY)
&& timeout--) {
}
}
RD_HARPOON(p_port + hp_int_status); /*Clear command complete */
if (RD_HARPOON(p_port + hp_ext_status) & BM_CMD_BUSY) {
return 1;
}
else {
return 0;
}
}
/*---------------------------------------------------------------------
*
* Function: Host Data Transfer Abort
*
* Description: Abort any in progress transfer.
*
*---------------------------------------------------------------------*/
static void FPT_hostDataXferAbort(unsigned long port, unsigned char p_card,
struct sccb *pCurrSCCB)
{
unsigned long timeout;
unsigned long remain_cnt;
unsigned int sg_ptr;
FPT_BL_Card[p_card].globalFlags &= ~F_HOST_XFER_ACT;
if (pCurrSCCB->Sccb_XferState & F_AUTO_SENSE) {
if (!(RD_HARPOON(port + hp_int_status) & INT_CMD_COMPL)) {
WR_HARPOON(port + hp_bm_ctrl,
(RD_HARPOON(port + hp_bm_ctrl) |
FLUSH_XFER_CNTR));
timeout = LONG_WAIT;
while ((RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY)
&& timeout--) {
}
WR_HARPOON(port + hp_bm_ctrl,
(RD_HARPOON(port + hp_bm_ctrl) &
~FLUSH_XFER_CNTR));
if (RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY) {
if (FPT_busMstrTimeOut(port)) {
if (pCurrSCCB->HostStatus == 0x00)
pCurrSCCB->HostStatus =
SCCB_BM_ERR;
}
if (RD_HARPOON(port + hp_int_status) &
INT_EXT_STATUS)
if (RD_HARPOON(port + hp_ext_status) &
BAD_EXT_STATUS)
if (pCurrSCCB->HostStatus ==
0x00)
{
pCurrSCCB->HostStatus =
SCCB_BM_ERR;
}
}
}
}
else if (pCurrSCCB->Sccb_XferCnt) {
if (pCurrSCCB->Sccb_XferState & F_SG_XFER) {
WR_HARPOON(port + hp_page_ctrl,
(RD_HARPOON(port + hp_page_ctrl) &
~SCATTER_EN));
WR_HARPOON(port + hp_sg_addr, 0x00);
sg_ptr = pCurrSCCB->Sccb_sgseg + SG_BUF_CNT;
if (sg_ptr >
(unsigned int)(pCurrSCCB->DataLength /
SG_ELEMENT_SIZE)) {
sg_ptr =
(unsigned int)(pCurrSCCB->DataLength /
SG_ELEMENT_SIZE);
}
remain_cnt = pCurrSCCB->Sccb_XferCnt;
while (remain_cnt < 0x01000000L) {
sg_ptr--;
if (remain_cnt >
(unsigned
long)(*(((unsigned long *)pCurrSCCB->
DataPointer) + (sg_ptr * 2)))) {
remain_cnt -=
(unsigned
long)(*(((unsigned long *)
pCurrSCCB->DataPointer) +
(sg_ptr * 2)));
}
else {
break;
}
}
if (remain_cnt < 0x01000000L) {
pCurrSCCB->Sccb_SGoffset = remain_cnt;
pCurrSCCB->Sccb_sgseg = (unsigned short)sg_ptr;
if ((unsigned long)(sg_ptr * SG_ELEMENT_SIZE) ==
pCurrSCCB->DataLength && (remain_cnt == 0))
pCurrSCCB->Sccb_XferState |=
F_ALL_XFERRED;
}
else {
if (pCurrSCCB->HostStatus == 0x00) {
pCurrSCCB->HostStatus =
SCCB_GROSS_FW_ERR;
}
}
}
if (!(pCurrSCCB->Sccb_XferState & F_HOST_XFER_DIR)) {
if (RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY) {
FPT_busMstrTimeOut(port);
}
else {
if (RD_HARPOON(port + hp_int_status) &
INT_EXT_STATUS) {
if (RD_HARPOON(port + hp_ext_status) &
BAD_EXT_STATUS) {
if (pCurrSCCB->HostStatus ==
0x00) {
pCurrSCCB->HostStatus =
SCCB_BM_ERR;
}
}
}
}
}
else {
if ((RD_HARPOON(port + hp_fifo_cnt)) >= BM_THRESHOLD) {
timeout = SHORT_WAIT;
while ((RD_HARPOON(port + hp_ext_status) &
BM_CMD_BUSY)
&& ((RD_HARPOON(port + hp_fifo_cnt)) >=
BM_THRESHOLD) && timeout--) {
}
}
if (RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY) {
WR_HARPOON(port + hp_bm_ctrl,
(RD_HARPOON(port + hp_bm_ctrl) |
FLUSH_XFER_CNTR));
timeout = LONG_WAIT;
while ((RD_HARPOON(port + hp_ext_status) &
BM_CMD_BUSY) && timeout--) {
}
WR_HARPOON(port + hp_bm_ctrl,
(RD_HARPOON(port + hp_bm_ctrl) &
~FLUSH_XFER_CNTR));
if (RD_HARPOON(port + hp_ext_status) &
BM_CMD_BUSY) {
if (pCurrSCCB->HostStatus == 0x00) {
pCurrSCCB->HostStatus =
SCCB_BM_ERR;
}
FPT_busMstrTimeOut(port);
}
}
if (RD_HARPOON(port + hp_int_status) & INT_EXT_STATUS) {
if (RD_HARPOON(port + hp_ext_status) &
BAD_EXT_STATUS) {
if (pCurrSCCB->HostStatus == 0x00) {
pCurrSCCB->HostStatus =
SCCB_BM_ERR;
}
}
}
}
}
else {
if (RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY) {
timeout = LONG_WAIT;
while ((RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY)
&& timeout--) {
}
if (RD_HARPOON(port + hp_ext_status) & BM_CMD_BUSY) {
if (pCurrSCCB->HostStatus == 0x00) {
pCurrSCCB->HostStatus = SCCB_BM_ERR;
}
FPT_busMstrTimeOut(port);
}
}
if (RD_HARPOON(port + hp_int_status) & INT_EXT_STATUS) {
if (RD_HARPOON(port + hp_ext_status) & BAD_EXT_STATUS) {
if (pCurrSCCB->HostStatus == 0x00) {
pCurrSCCB->HostStatus = SCCB_BM_ERR;
}
}
}
if (pCurrSCCB->Sccb_XferState & F_SG_XFER) {
WR_HARPOON(port + hp_page_ctrl,
(RD_HARPOON(port + hp_page_ctrl) &
~SCATTER_EN));
WR_HARPOON(port + hp_sg_addr, 0x00);
pCurrSCCB->Sccb_sgseg += SG_BUF_CNT;
pCurrSCCB->Sccb_SGoffset = 0x00;
if ((unsigned long)(pCurrSCCB->Sccb_sgseg *
SG_ELEMENT_SIZE) >=
pCurrSCCB->DataLength) {
pCurrSCCB->Sccb_XferState |= F_ALL_XFERRED;
pCurrSCCB->Sccb_sgseg =
(unsigned short)(pCurrSCCB->DataLength /
SG_ELEMENT_SIZE);
}
}
else {
if (!(pCurrSCCB->Sccb_XferState & F_AUTO_SENSE))
pCurrSCCB->Sccb_XferState |= F_ALL_XFERRED;
}
}
WR_HARPOON(port + hp_int_mask, (INT_CMD_COMPL | SCSI_INTERRUPT));
}
/*---------------------------------------------------------------------
*
* Function: Host Data Transfer Restart
*
* Description: Reset the available count due to a restore data
* pointers message.
*
*---------------------------------------------------------------------*/
static void FPT_hostDataXferRestart(struct sccb *currSCCB)
{
unsigned long data_count;
unsigned int sg_index;
unsigned long *sg_ptr;
if (currSCCB->Sccb_XferState & F_SG_XFER) {
currSCCB->Sccb_XferCnt = 0;
sg_index = 0xffff; /*Index by long words into sg list. */
data_count = 0; /*Running count of SG xfer counts. */
sg_ptr = (unsigned long *)currSCCB->DataPointer;
while (data_count < currSCCB->Sccb_ATC) {
sg_index++;
data_count += *(sg_ptr + (sg_index * 2));
}
if (data_count == currSCCB->Sccb_ATC) {
currSCCB->Sccb_SGoffset = 0;
sg_index++;
}
else {
currSCCB->Sccb_SGoffset =
data_count - currSCCB->Sccb_ATC;
}
currSCCB->Sccb_sgseg = (unsigned short)sg_index;
}
else {
currSCCB->Sccb_XferCnt =
currSCCB->DataLength - currSCCB->Sccb_ATC;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_scini
*
* Description: Setup all data structures necessary for SCAM selection.
*
*---------------------------------------------------------------------*/
static void FPT_scini(unsigned char p_card, unsigned char p_our_id,
unsigned char p_power_up)
{
unsigned char loser, assigned_id;
unsigned long p_port;
unsigned char i, k, ScamFlg;
struct sccb_card *currCard;
struct nvram_info *pCurrNvRam;
currCard = &FPT_BL_Card[p_card];
p_port = currCard->ioPort;
pCurrNvRam = currCard->pNvRamInfo;
if (pCurrNvRam) {
ScamFlg = pCurrNvRam->niScamConf;
i = pCurrNvRam->niSysConf;
} else {
ScamFlg =
(unsigned char)FPT_utilEERead(p_port, SCAM_CONFIG / 2);
i = (unsigned
char)(FPT_utilEERead(p_port, (SYSTEM_CONFIG / 2)));
}
if (!(i & 0x02)) /* check if reset bus in AutoSCSI parameter set */
return;
FPT_inisci(p_card, p_port, p_our_id);
/* Force to wait 1 sec after SCSI bus reset. Some SCAM device FW
too slow to return to SCAM selection */
/* if (p_power_up)
FPT_Wait1Second(p_port);
else
FPT_Wait(p_port, TO_250ms); */
FPT_Wait1Second(p_port);
if ((ScamFlg & SCAM_ENABLED) && (ScamFlg & SCAM_LEVEL2)) {
while (!(FPT_scarb(p_port, INIT_SELTD))) {
}
FPT_scsel(p_port);
do {
FPT_scxferc(p_port, SYNC_PTRN);
FPT_scxferc(p_port, DOM_MSTR);
loser =
FPT_scsendi(p_port,
&FPT_scamInfo[p_our_id].id_string[0]);
} while (loser == 0xFF);
FPT_scbusf(p_port);
if ((p_power_up) && (!loser)) {
FPT_sresb(p_port, p_card);
FPT_Wait(p_port, TO_250ms);
while (!(FPT_scarb(p_port, INIT_SELTD))) {
}
FPT_scsel(p_port);
do {
FPT_scxferc(p_port, SYNC_PTRN);
FPT_scxferc(p_port, DOM_MSTR);
loser =
FPT_scsendi(p_port,
&FPT_scamInfo[p_our_id].
id_string[0]);
} while (loser == 0xFF);
FPT_scbusf(p_port);
}
}
else {
loser = 0;
}
if (!loser) {
FPT_scamInfo[p_our_id].state = ID_ASSIGNED;
if (ScamFlg & SCAM_ENABLED) {
for (i = 0; i < MAX_SCSI_TAR; i++) {
if ((FPT_scamInfo[i].state == ID_UNASSIGNED) ||
(FPT_scamInfo[i].state == ID_UNUSED)) {
if (FPT_scsell(p_port, i)) {
FPT_scamInfo[i].state = LEGACY;
if ((FPT_scamInfo[i].
id_string[0] != 0xFF)
|| (FPT_scamInfo[i].
id_string[1] != 0xFA)) {
FPT_scamInfo[i].
id_string[0] = 0xFF;
FPT_scamInfo[i].
id_string[1] = 0xFA;
if (pCurrNvRam == NULL)
currCard->
globalFlags
|=
F_UPDATE_EEPROM;
}
}
}
}
FPT_sresb(p_port, p_card);
FPT_Wait1Second(p_port);
while (!(FPT_scarb(p_port, INIT_SELTD))) {
}
FPT_scsel(p_port);
FPT_scasid(p_card, p_port);
}
}
else if ((loser) && (ScamFlg & SCAM_ENABLED)) {
FPT_scamInfo[p_our_id].id_string[0] = SLV_TYPE_CODE0;
assigned_id = 0;
FPT_scwtsel(p_port);
do {
while (FPT_scxferc(p_port, 0x00) != SYNC_PTRN) {
}
i = FPT_scxferc(p_port, 0x00);
if (i == ASSIGN_ID) {
if (!
(FPT_scsendi
(p_port,
&FPT_scamInfo[p_our_id].id_string[0]))) {
i = FPT_scxferc(p_port, 0x00);
if (FPT_scvalq(i)) {
k = FPT_scxferc(p_port, 0x00);
if (FPT_scvalq(k)) {
currCard->ourId =
((unsigned char)(i
<<
3)
+
(k &
(unsigned char)7))
& (unsigned char)
0x3F;
FPT_inisci(p_card,
p_port,
p_our_id);
FPT_scamInfo[currCard->
ourId].
state = ID_ASSIGNED;
FPT_scamInfo[currCard->
ourId].
id_string[0]
= SLV_TYPE_CODE0;
assigned_id = 1;
}
}
}
}
else if (i == SET_P_FLAG) {
if (!(FPT_scsendi(p_port,
&FPT_scamInfo[p_our_id].
id_string[0])))
FPT_scamInfo[p_our_id].id_string[0] |=
0x80;
}
} while (!assigned_id);
while (FPT_scxferc(p_port, 0x00) != CFG_CMPLT) {
}
}
if (ScamFlg & SCAM_ENABLED) {
FPT_scbusf(p_port);
if (currCard->globalFlags & F_UPDATE_EEPROM) {
FPT_scsavdi(p_card, p_port);
currCard->globalFlags &= ~F_UPDATE_EEPROM;
}
}
/*
for (i=0,k=0; i < MAX_SCSI_TAR; i++)
{
if ((FPT_scamInfo[i].state == ID_ASSIGNED) ||
(FPT_scamInfo[i].state == LEGACY))
k++;
}
if (k==2)
currCard->globalFlags |= F_SINGLE_DEVICE;
else
currCard->globalFlags &= ~F_SINGLE_DEVICE;
*/
}
/*---------------------------------------------------------------------
*
* Function: FPT_scarb
*
* Description: Gain control of the bus and wait SCAM select time (250ms)
*
*---------------------------------------------------------------------*/
static int FPT_scarb(unsigned long p_port, unsigned char p_sel_type)
{
if (p_sel_type == INIT_SELTD) {
while (RD_HARPOON(p_port + hp_scsisig) & (SCSI_SEL | SCSI_BSY)) {
}
if (RD_HARPOON(p_port + hp_scsisig) & SCSI_SEL)
return 0;
if (RD_HARPOON(p_port + hp_scsidata_0) != 00)
return 0;
WR_HARPOON(p_port + hp_scsisig,
(RD_HARPOON(p_port + hp_scsisig) | SCSI_BSY));
if (RD_HARPOON(p_port + hp_scsisig) & SCSI_SEL) {
WR_HARPOON(p_port + hp_scsisig,
(RD_HARPOON(p_port + hp_scsisig) &
~SCSI_BSY));
return 0;
}
WR_HARPOON(p_port + hp_scsisig,
(RD_HARPOON(p_port + hp_scsisig) | SCSI_SEL));
if (RD_HARPOON(p_port + hp_scsidata_0) != 00) {
WR_HARPOON(p_port + hp_scsisig,
(RD_HARPOON(p_port + hp_scsisig) &
~(SCSI_BSY | SCSI_SEL)));
return 0;
}
}
WR_HARPOON(p_port + hp_clkctrl_0, (RD_HARPOON(p_port + hp_clkctrl_0)
& ~ACTdeassert));
WR_HARPOON(p_port + hp_scsireset, SCAM_EN);
WR_HARPOON(p_port + hp_scsidata_0, 0x00);
WR_HARPOON(p_port + hp_scsidata_1, 0x00);
WR_HARPOON(p_port + hp_portctrl_0, SCSI_BUS_EN);
WR_HARPOON(p_port + hp_scsisig,
(RD_HARPOON(p_port + hp_scsisig) | SCSI_MSG));
WR_HARPOON(p_port + hp_scsisig, (RD_HARPOON(p_port + hp_scsisig)
& ~SCSI_BSY));
FPT_Wait(p_port, TO_250ms);
return 1;
}
/*---------------------------------------------------------------------
*
* Function: FPT_scbusf
*
* Description: Release the SCSI bus and disable SCAM selection.
*
*---------------------------------------------------------------------*/
static void FPT_scbusf(unsigned long p_port)
{
WR_HARPOON(p_port + hp_page_ctrl,
(RD_HARPOON(p_port + hp_page_ctrl) | G_INT_DISABLE));
WR_HARPOON(p_port + hp_scsidata_0, 0x00);
WR_HARPOON(p_port + hp_portctrl_0, (RD_HARPOON(p_port + hp_portctrl_0)
& ~SCSI_BUS_EN));
WR_HARPOON(p_port + hp_scsisig, 0x00);
WR_HARPOON(p_port + hp_scsireset, (RD_HARPOON(p_port + hp_scsireset)
& ~SCAM_EN));
WR_HARPOON(p_port + hp_clkctrl_0, (RD_HARPOON(p_port + hp_clkctrl_0)
| ACTdeassert));
WRW_HARPOON((p_port + hp_intstat), (BUS_FREE | AUTO_INT | SCAM_SEL));
WR_HARPOON(p_port + hp_page_ctrl,
(RD_HARPOON(p_port + hp_page_ctrl) & ~G_INT_DISABLE));
}
/*---------------------------------------------------------------------
*
* Function: FPT_scasid
*
* Description: Assign an ID to all the SCAM devices.
*
*---------------------------------------------------------------------*/
static void FPT_scasid(unsigned char p_card, unsigned long p_port)
{
unsigned char temp_id_string[ID_STRING_LENGTH];
unsigned char i, k, scam_id;
unsigned char crcBytes[3];
struct nvram_info *pCurrNvRam;
unsigned short *pCrcBytes;
pCurrNvRam = FPT_BL_Card[p_card].pNvRamInfo;
i = 0;
while (!i) {
for (k = 0; k < ID_STRING_LENGTH; k++) {
temp_id_string[k] = (unsigned char)0x00;
}
FPT_scxferc(p_port, SYNC_PTRN);
FPT_scxferc(p_port, ASSIGN_ID);
if (!(FPT_sciso(p_port, &temp_id_string[0]))) {
if (pCurrNvRam) {
pCrcBytes = (unsigned short *)&crcBytes[0];
*pCrcBytes = FPT_CalcCrc16(&temp_id_string[0]);
crcBytes[2] = FPT_CalcLrc(&temp_id_string[0]);
temp_id_string[1] = crcBytes[2];
temp_id_string[2] = crcBytes[0];
temp_id_string[3] = crcBytes[1];
for (k = 4; k < ID_STRING_LENGTH; k++)
temp_id_string[k] = (unsigned char)0x00;
}
i = FPT_scmachid(p_card, temp_id_string);
if (i == CLR_PRIORITY) {
FPT_scxferc(p_port, MISC_CODE);
FPT_scxferc(p_port, CLR_P_FLAG);
i = 0; /*Not the last ID yet. */
}
else if (i != NO_ID_AVAIL) {
if (i < 8)
FPT_scxferc(p_port, ID_0_7);
else
FPT_scxferc(p_port, ID_8_F);
scam_id = (i & (unsigned char)0x07);
for (k = 1; k < 0x08; k <<= 1)
if (!(k & i))
scam_id += 0x08; /*Count number of zeros in DB0-3. */
FPT_scxferc(p_port, scam_id);
i = 0; /*Not the last ID yet. */
}
}
else {
i = 1;
}
} /*End while */
FPT_scxferc(p_port, SYNC_PTRN);
FPT_scxferc(p_port, CFG_CMPLT);
}
/*---------------------------------------------------------------------
*
* Function: FPT_scsel
*
* Description: Select all the SCAM devices.
*
*---------------------------------------------------------------------*/
static void FPT_scsel(unsigned long p_port)
{
WR_HARPOON(p_port + hp_scsisig, SCSI_SEL);
FPT_scwiros(p_port, SCSI_MSG);
WR_HARPOON(p_port + hp_scsisig, (SCSI_SEL | SCSI_BSY));
WR_HARPOON(p_port + hp_scsisig,
(SCSI_SEL | SCSI_BSY | SCSI_IOBIT | SCSI_CD));
WR_HARPOON(p_port + hp_scsidata_0,
(unsigned char)(RD_HARPOON(p_port + hp_scsidata_0) |
(unsigned char)(BIT(7) + BIT(6))));
WR_HARPOON(p_port + hp_scsisig, (SCSI_BSY | SCSI_IOBIT | SCSI_CD));
FPT_scwiros(p_port, SCSI_SEL);
WR_HARPOON(p_port + hp_scsidata_0,
(unsigned char)(RD_HARPOON(p_port + hp_scsidata_0) &
~(unsigned char)BIT(6)));
FPT_scwirod(p_port, BIT(6));
WR_HARPOON(p_port + hp_scsisig,
(SCSI_SEL | SCSI_BSY | SCSI_IOBIT | SCSI_CD));
}
/*---------------------------------------------------------------------
*
* Function: FPT_scxferc
*
* Description: Handshake the p_data (DB4-0) across the bus.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_scxferc(unsigned long p_port, unsigned char p_data)
{
unsigned char curr_data, ret_data;
curr_data = p_data | BIT(7) | BIT(5); /*Start with DB7 & DB5 asserted. */
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
curr_data &= ~BIT(7);
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
FPT_scwirod(p_port, BIT(7)); /*Wait for DB7 to be released. */
while (!(RD_HARPOON(p_port + hp_scsidata_0) & BIT(5))) ;
ret_data = (RD_HARPOON(p_port + hp_scsidata_0) & (unsigned char)0x1F);
curr_data |= BIT(6);
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
curr_data &= ~BIT(5);
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
FPT_scwirod(p_port, BIT(5)); /*Wait for DB5 to be released. */
curr_data &= ~(BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0)); /*Release data bits */
curr_data |= BIT(7);
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
curr_data &= ~BIT(6);
WR_HARPOON(p_port + hp_scsidata_0, curr_data);
FPT_scwirod(p_port, BIT(6)); /*Wait for DB6 to be released. */
return ret_data;
}
/*---------------------------------------------------------------------
*
* Function: FPT_scsendi
*
* Description: Transfer our Identification string to determine if we
* will be the dominant master.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_scsendi(unsigned long p_port,
unsigned char p_id_string[])
{
unsigned char ret_data, byte_cnt, bit_cnt, defer;
defer = 0;
for (byte_cnt = 0; byte_cnt < ID_STRING_LENGTH; byte_cnt++) {
for (bit_cnt = 0x80; bit_cnt != 0; bit_cnt >>= 1) {
if (defer)
ret_data = FPT_scxferc(p_port, 00);
else if (p_id_string[byte_cnt] & bit_cnt)
ret_data = FPT_scxferc(p_port, 02);
else {
ret_data = FPT_scxferc(p_port, 01);
if (ret_data & 02)
defer = 1;
}
if ((ret_data & 0x1C) == 0x10)
return 0x00; /*End of isolation stage, we won! */
if (ret_data & 0x1C)
return 0xFF;
if ((defer) && (!(ret_data & 0x1F)))
return 0x01; /*End of isolation stage, we lost. */
} /*bit loop */
} /*byte loop */
if (defer)
return 0x01; /*We lost */
else
return 0; /*We WON! Yeeessss! */
}
/*---------------------------------------------------------------------
*
* Function: FPT_sciso
*
* Description: Transfer the Identification string.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_sciso(unsigned long p_port,
unsigned char p_id_string[])
{
unsigned char ret_data, the_data, byte_cnt, bit_cnt;
the_data = 0;
for (byte_cnt = 0; byte_cnt < ID_STRING_LENGTH; byte_cnt++) {
for (bit_cnt = 0; bit_cnt < 8; bit_cnt++) {
ret_data = FPT_scxferc(p_port, 0);
if (ret_data & 0xFC)
return 0xFF;
else {
the_data <<= 1;
if (ret_data & BIT(1)) {
the_data |= 1;
}
}
if ((ret_data & 0x1F) == 0) {
/*
if(bit_cnt != 0 || bit_cnt != 8)
{
byte_cnt = 0;
bit_cnt = 0;
FPT_scxferc(p_port, SYNC_PTRN);
FPT_scxferc(p_port, ASSIGN_ID);
continue;
}
*/
if (byte_cnt)
return 0x00;
else
return 0xFF;
}
} /*bit loop */
p_id_string[byte_cnt] = the_data;
} /*byte loop */
return 0;
}
/*---------------------------------------------------------------------
*
* Function: FPT_scwirod
*
* Description: Sample the SCSI data bus making sure the signal has been
* deasserted for the correct number of consecutive samples.
*
*---------------------------------------------------------------------*/
static void FPT_scwirod(unsigned long p_port, unsigned char p_data_bit)
{
unsigned char i;
i = 0;
while (i < MAX_SCSI_TAR) {
if (RD_HARPOON(p_port + hp_scsidata_0) & p_data_bit)
i = 0;
else
i++;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_scwiros
*
* Description: Sample the SCSI Signal lines making sure the signal has been
* deasserted for the correct number of consecutive samples.
*
*---------------------------------------------------------------------*/
static void FPT_scwiros(unsigned long p_port, unsigned char p_data_bit)
{
unsigned char i;
i = 0;
while (i < MAX_SCSI_TAR) {
if (RD_HARPOON(p_port + hp_scsisig) & p_data_bit)
i = 0;
else
i++;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_scvalq
*
* Description: Make sure we received a valid data byte.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_scvalq(unsigned char p_quintet)
{
unsigned char count;
for (count = 1; count < 0x08; count <<= 1) {
if (!(p_quintet & count))
p_quintet -= 0x80;
}
if (p_quintet & 0x18)
return 0;
else
return 1;
}
/*---------------------------------------------------------------------
*
* Function: FPT_scsell
*
* Description: Select the specified device ID using a selection timeout
* less than 4ms. If somebody responds then it is a legacy
* drive and this ID must be marked as such.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_scsell(unsigned long p_port, unsigned char targ_id)
{
unsigned long i;
WR_HARPOON(p_port + hp_page_ctrl,
(RD_HARPOON(p_port + hp_page_ctrl) | G_INT_DISABLE));
ARAM_ACCESS(p_port);
WR_HARPOON(p_port + hp_addstat,
(RD_HARPOON(p_port + hp_addstat) | SCAM_TIMER));
WR_HARPOON(p_port + hp_seltimeout, TO_4ms);
for (i = p_port + CMD_STRT; i < p_port + CMD_STRT + 12; i += 2) {
WRW_HARPOON(i, (MPM_OP + ACOMMAND));
}
WRW_HARPOON(i, (BRH_OP + ALWAYS + NP));
WRW_HARPOON((p_port + hp_intstat),
(RESET | TIMEOUT | SEL | BUS_FREE | AUTO_INT));
WR_HARPOON(p_port + hp_select_id, targ_id);
WR_HARPOON(p_port + hp_portctrl_0, SCSI_PORT);
WR_HARPOON(p_port + hp_autostart_3, (SELECT | CMD_ONLY_STRT));
WR_HARPOON(p_port + hp_scsictrl_0, (SEL_TAR | ENA_RESEL));
while (!(RDW_HARPOON((p_port + hp_intstat)) &
(RESET | PROG_HLT | TIMEOUT | AUTO_INT))) {
}
if (RDW_HARPOON((p_port + hp_intstat)) & RESET)
FPT_Wait(p_port, TO_250ms);
DISABLE_AUTO(p_port);
WR_HARPOON(p_port + hp_addstat,
(RD_HARPOON(p_port + hp_addstat) & ~SCAM_TIMER));
WR_HARPOON(p_port + hp_seltimeout, TO_290ms);
SGRAM_ACCESS(p_port);
if (RDW_HARPOON((p_port + hp_intstat)) & (RESET | TIMEOUT)) {
WRW_HARPOON((p_port + hp_intstat),
(RESET | TIMEOUT | SEL | BUS_FREE | PHASE));
WR_HARPOON(p_port + hp_page_ctrl,
(RD_HARPOON(p_port + hp_page_ctrl) &
~G_INT_DISABLE));
return 0; /*No legacy device */
}
else {
while (!(RDW_HARPOON((p_port + hp_intstat)) & BUS_FREE)) {
if (RD_HARPOON(p_port + hp_scsisig) & SCSI_REQ) {
WR_HARPOON(p_port + hp_scsisig,
(SCSI_ACK + S_ILL_PH));
ACCEPT_MSG(p_port);
}
}
WRW_HARPOON((p_port + hp_intstat), CLR_ALL_INT_1);
WR_HARPOON(p_port + hp_page_ctrl,
(RD_HARPOON(p_port + hp_page_ctrl) &
~G_INT_DISABLE));
return 1; /*Found one of them oldies! */
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_scwtsel
*
* Description: Wait to be selected by another SCAM initiator.
*
*---------------------------------------------------------------------*/
static void FPT_scwtsel(unsigned long p_port)
{
while (!(RDW_HARPOON((p_port + hp_intstat)) & SCAM_SEL)) {
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_inisci
*
* Description: Setup the data Structure with the info from the EEPROM.
*
*---------------------------------------------------------------------*/
static void FPT_inisci(unsigned char p_card, unsigned long p_port,
unsigned char p_our_id)
{
unsigned char i, k, max_id;
unsigned short ee_data;
struct nvram_info *pCurrNvRam;
pCurrNvRam = FPT_BL_Card[p_card].pNvRamInfo;
if (RD_HARPOON(p_port + hp_page_ctrl) & NARROW_SCSI_CARD)
max_id = 0x08;
else
max_id = 0x10;
if (pCurrNvRam) {
for (i = 0; i < max_id; i++) {
for (k = 0; k < 4; k++)
FPT_scamInfo[i].id_string[k] =
pCurrNvRam->niScamTbl[i][k];
for (k = 4; k < ID_STRING_LENGTH; k++)
FPT_scamInfo[i].id_string[k] =
(unsigned char)0x00;
if (FPT_scamInfo[i].id_string[0] == 0x00)
FPT_scamInfo[i].state = ID_UNUSED; /*Default to unused ID. */
else
FPT_scamInfo[i].state = ID_UNASSIGNED; /*Default to unassigned ID. */
}
} else {
for (i = 0; i < max_id; i++) {
for (k = 0; k < ID_STRING_LENGTH; k += 2) {
ee_data =
FPT_utilEERead(p_port,
(unsigned
short)((EE_SCAMBASE / 2) +
(unsigned short)(i *
((unsigned short)ID_STRING_LENGTH / 2)) + (unsigned short)(k / 2)));
FPT_scamInfo[i].id_string[k] =
(unsigned char)ee_data;
ee_data >>= 8;
FPT_scamInfo[i].id_string[k + 1] =
(unsigned char)ee_data;
}
if ((FPT_scamInfo[i].id_string[0] == 0x00) ||
(FPT_scamInfo[i].id_string[0] == 0xFF))
FPT_scamInfo[i].state = ID_UNUSED; /*Default to unused ID. */
else
FPT_scamInfo[i].state = ID_UNASSIGNED; /*Default to unassigned ID. */
}
}
for (k = 0; k < ID_STRING_LENGTH; k++)
FPT_scamInfo[p_our_id].id_string[k] = FPT_scamHAString[k];
}
/*---------------------------------------------------------------------
*
* Function: FPT_scmachid
*
* Description: Match the Device ID string with our values stored in
* the EEPROM.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_scmachid(unsigned char p_card,
unsigned char p_id_string[])
{
unsigned char i, k, match;
for (i = 0; i < MAX_SCSI_TAR; i++) {
match = 1;
for (k = 0; k < ID_STRING_LENGTH; k++) {
if (p_id_string[k] != FPT_scamInfo[i].id_string[k])
match = 0;
}
if (match) {
FPT_scamInfo[i].state = ID_ASSIGNED;
return i;
}
}
if (p_id_string[0] & BIT(5))
i = 8;
else
i = MAX_SCSI_TAR;
if (((p_id_string[0] & 0x06) == 0x02)
|| ((p_id_string[0] & 0x06) == 0x04))
match = p_id_string[1] & (unsigned char)0x1F;
else
match = 7;
while (i > 0) {
i--;
if (FPT_scamInfo[match].state == ID_UNUSED) {
for (k = 0; k < ID_STRING_LENGTH; k++) {
FPT_scamInfo[match].id_string[k] =
p_id_string[k];
}
FPT_scamInfo[match].state = ID_ASSIGNED;
if (FPT_BL_Card[p_card].pNvRamInfo == NULL)
FPT_BL_Card[p_card].globalFlags |=
F_UPDATE_EEPROM;
return match;
}
match--;
if (match == 0xFF) {
if (p_id_string[0] & BIT(5))
match = 7;
else
match = MAX_SCSI_TAR - 1;
}
}
if (p_id_string[0] & BIT(7)) {
return CLR_PRIORITY;
}
if (p_id_string[0] & BIT(5))
i = 8;
else
i = MAX_SCSI_TAR;
if (((p_id_string[0] & 0x06) == 0x02)
|| ((p_id_string[0] & 0x06) == 0x04))
match = p_id_string[1] & (unsigned char)0x1F;
else
match = 7;
while (i > 0) {
i--;
if (FPT_scamInfo[match].state == ID_UNASSIGNED) {
for (k = 0; k < ID_STRING_LENGTH; k++) {
FPT_scamInfo[match].id_string[k] =
p_id_string[k];
}
FPT_scamInfo[match].id_string[0] |= BIT(7);
FPT_scamInfo[match].state = ID_ASSIGNED;
if (FPT_BL_Card[p_card].pNvRamInfo == NULL)
FPT_BL_Card[p_card].globalFlags |=
F_UPDATE_EEPROM;
return match;
}
match--;
if (match == 0xFF) {
if (p_id_string[0] & BIT(5))
match = 7;
else
match = MAX_SCSI_TAR - 1;
}
}
return NO_ID_AVAIL;
}
/*---------------------------------------------------------------------
*
* Function: FPT_scsavdi
*
* Description: Save off the device SCAM ID strings.
*
*---------------------------------------------------------------------*/
static void FPT_scsavdi(unsigned char p_card, unsigned long p_port)
{
unsigned char i, k, max_id;
unsigned short ee_data, sum_data;
sum_data = 0x0000;
for (i = 1; i < EE_SCAMBASE / 2; i++) {
sum_data += FPT_utilEERead(p_port, i);
}
FPT_utilEEWriteOnOff(p_port, 1); /* Enable write access to the EEPROM */
if (RD_HARPOON(p_port + hp_page_ctrl) & NARROW_SCSI_CARD)
max_id = 0x08;
else
max_id = 0x10;
for (i = 0; i < max_id; i++) {
for (k = 0; k < ID_STRING_LENGTH; k += 2) {
ee_data = FPT_scamInfo[i].id_string[k + 1];
ee_data <<= 8;
ee_data |= FPT_scamInfo[i].id_string[k];
sum_data += ee_data;
FPT_utilEEWrite(p_port, ee_data,
(unsigned short)((EE_SCAMBASE / 2) +
(unsigned short)(i *
((unsigned short)ID_STRING_LENGTH / 2)) + (unsigned short)(k / 2)));
}
}
FPT_utilEEWrite(p_port, sum_data, EEPROM_CHECK_SUM / 2);
FPT_utilEEWriteOnOff(p_port, 0); /* Turn off write access */
}
/*---------------------------------------------------------------------
*
* Function: FPT_XbowInit
*
* Description: Setup the Xbow for normal operation.
*
*---------------------------------------------------------------------*/
static void FPT_XbowInit(unsigned long port, unsigned char ScamFlg)
{
unsigned char i;
i = RD_HARPOON(port + hp_page_ctrl);
WR_HARPOON(port + hp_page_ctrl, (unsigned char)(i | G_INT_DISABLE));
WR_HARPOON(port + hp_scsireset, 0x00);
WR_HARPOON(port + hp_portctrl_1, HOST_MODE8);
WR_HARPOON(port + hp_scsireset, (DMA_RESET | HPSCSI_RESET | PROG_RESET |
FIFO_CLR));
WR_HARPOON(port + hp_scsireset, SCSI_INI);
WR_HARPOON(port + hp_clkctrl_0, CLKCTRL_DEFAULT);
WR_HARPOON(port + hp_scsisig, 0x00); /* Clear any signals we might */
WR_HARPOON(port + hp_scsictrl_0, ENA_SCAM_SEL);
WRW_HARPOON((port + hp_intstat), CLR_ALL_INT);
FPT_default_intena = RESET | RSEL | PROG_HLT | TIMEOUT |
BUS_FREE | XFER_CNT_0 | AUTO_INT;
if ((ScamFlg & SCAM_ENABLED) && (ScamFlg & SCAM_LEVEL2))
FPT_default_intena |= SCAM_SEL;
WRW_HARPOON((port + hp_intena), FPT_default_intena);
WR_HARPOON(port + hp_seltimeout, TO_290ms);
/* Turn on SCSI_MODE8 for narrow cards to fix the
strapping issue with the DUAL CHANNEL card */
if (RD_HARPOON(port + hp_page_ctrl) & NARROW_SCSI_CARD)
WR_HARPOON(port + hp_addstat, SCSI_MODE8);
WR_HARPOON(port + hp_page_ctrl, i);
}
/*---------------------------------------------------------------------
*
* Function: FPT_BusMasterInit
*
* Description: Initialize the BusMaster for normal operations.
*
*---------------------------------------------------------------------*/
static void FPT_BusMasterInit(unsigned long p_port)
{
WR_HARPOON(p_port + hp_sys_ctrl, DRVR_RST);
WR_HARPOON(p_port + hp_sys_ctrl, 0x00);
WR_HARPOON(p_port + hp_host_blk_cnt, XFER_BLK64);
WR_HARPOON(p_port + hp_bm_ctrl, (BMCTRL_DEFAULT));
WR_HARPOON(p_port + hp_ee_ctrl, (SCSI_TERM_ENA_H));
RD_HARPOON(p_port + hp_int_status); /*Clear interrupts. */
WR_HARPOON(p_port + hp_int_mask, (INT_CMD_COMPL | SCSI_INTERRUPT));
WR_HARPOON(p_port + hp_page_ctrl, (RD_HARPOON(p_port + hp_page_ctrl) &
~SCATTER_EN));
}
/*---------------------------------------------------------------------
*
* Function: FPT_DiagEEPROM
*
* Description: Verfiy checksum and 'Key' and initialize the EEPROM if
* necessary.
*
*---------------------------------------------------------------------*/
static void FPT_DiagEEPROM(unsigned long p_port)
{
unsigned short index, temp, max_wd_cnt;
if (RD_HARPOON(p_port + hp_page_ctrl) & NARROW_SCSI_CARD)
max_wd_cnt = EEPROM_WD_CNT;
else
max_wd_cnt = EEPROM_WD_CNT * 2;
temp = FPT_utilEERead(p_port, FW_SIGNATURE / 2);
if (temp == 0x4641) {
for (index = 2; index < max_wd_cnt; index++) {
temp += FPT_utilEERead(p_port, index);
}
if (temp == FPT_utilEERead(p_port, EEPROM_CHECK_SUM / 2)) {
return; /*EEPROM is Okay so return now! */
}
}
FPT_utilEEWriteOnOff(p_port, (unsigned char)1);
for (index = 0; index < max_wd_cnt; index++) {
FPT_utilEEWrite(p_port, 0x0000, index);
}
temp = 0;
FPT_utilEEWrite(p_port, 0x4641, FW_SIGNATURE / 2);
temp += 0x4641;
FPT_utilEEWrite(p_port, 0x3920, MODEL_NUMB_0 / 2);
temp += 0x3920;
FPT_utilEEWrite(p_port, 0x3033, MODEL_NUMB_2 / 2);
temp += 0x3033;
FPT_utilEEWrite(p_port, 0x2020, MODEL_NUMB_4 / 2);
temp += 0x2020;
FPT_utilEEWrite(p_port, 0x70D3, SYSTEM_CONFIG / 2);
temp += 0x70D3;
FPT_utilEEWrite(p_port, 0x0010, BIOS_CONFIG / 2);
temp += 0x0010;
FPT_utilEEWrite(p_port, 0x0003, SCAM_CONFIG / 2);
temp += 0x0003;
FPT_utilEEWrite(p_port, 0x0007, ADAPTER_SCSI_ID / 2);
temp += 0x0007;
FPT_utilEEWrite(p_port, 0x0000, IGNORE_B_SCAN / 2);
temp += 0x0000;
FPT_utilEEWrite(p_port, 0x0000, SEND_START_ENA / 2);
temp += 0x0000;
FPT_utilEEWrite(p_port, 0x0000, DEVICE_ENABLE / 2);
temp += 0x0000;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBL01 / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBL23 / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBL45 / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBL67 / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBL89 / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBLab / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBLcd / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x4242, SYNC_RATE_TBLef / 2);
temp += 0x4242;
FPT_utilEEWrite(p_port, 0x6C46, 64 / 2); /*PRODUCT ID */
temp += 0x6C46;
FPT_utilEEWrite(p_port, 0x7361, 66 / 2); /* FlashPoint LT */
temp += 0x7361;
FPT_utilEEWrite(p_port, 0x5068, 68 / 2);
temp += 0x5068;
FPT_utilEEWrite(p_port, 0x696F, 70 / 2);
temp += 0x696F;
FPT_utilEEWrite(p_port, 0x746E, 72 / 2);
temp += 0x746E;
FPT_utilEEWrite(p_port, 0x4C20, 74 / 2);
temp += 0x4C20;
FPT_utilEEWrite(p_port, 0x2054, 76 / 2);
temp += 0x2054;
FPT_utilEEWrite(p_port, 0x2020, 78 / 2);
temp += 0x2020;
index = ((EE_SCAMBASE / 2) + (7 * 16));
FPT_utilEEWrite(p_port, (0x0700 + TYPE_CODE0), index);
temp += (0x0700 + TYPE_CODE0);
index++;
FPT_utilEEWrite(p_port, 0x5542, index); /*Vendor ID code */
temp += 0x5542; /* BUSLOGIC */
index++;
FPT_utilEEWrite(p_port, 0x4C53, index);
temp += 0x4C53;
index++;
FPT_utilEEWrite(p_port, 0x474F, index);
temp += 0x474F;
index++;
FPT_utilEEWrite(p_port, 0x4349, index);
temp += 0x4349;
index++;
FPT_utilEEWrite(p_port, 0x5442, index); /*Vendor unique code */
temp += 0x5442; /* BT- 930 */
index++;
FPT_utilEEWrite(p_port, 0x202D, index);
temp += 0x202D;
index++;
FPT_utilEEWrite(p_port, 0x3339, index);
temp += 0x3339;
index++; /*Serial # */
FPT_utilEEWrite(p_port, 0x2030, index); /* 01234567 */
temp += 0x2030;
index++;
FPT_utilEEWrite(p_port, 0x5453, index);
temp += 0x5453;
index++;
FPT_utilEEWrite(p_port, 0x5645, index);
temp += 0x5645;
index++;
FPT_utilEEWrite(p_port, 0x2045, index);
temp += 0x2045;
index++;
FPT_utilEEWrite(p_port, 0x202F, index);
temp += 0x202F;
index++;
FPT_utilEEWrite(p_port, 0x4F4A, index);
temp += 0x4F4A;
index++;
FPT_utilEEWrite(p_port, 0x204E, index);
temp += 0x204E;
index++;
FPT_utilEEWrite(p_port, 0x3539, index);
temp += 0x3539;
FPT_utilEEWrite(p_port, temp, EEPROM_CHECK_SUM / 2);
FPT_utilEEWriteOnOff(p_port, (unsigned char)0);
}
/*---------------------------------------------------------------------
*
* Function: Queue Search Select
*
* Description: Try to find a new command to execute.
*
*---------------------------------------------------------------------*/
static void FPT_queueSearchSelect(struct sccb_card *pCurrCard,
unsigned char p_card)
{
unsigned char scan_ptr, lun;
struct sccb_mgr_tar_info *currTar_Info;
struct sccb *pOldSccb;
scan_ptr = pCurrCard->scanIndex;
do {
currTar_Info = &FPT_sccbMgrTbl[p_card][scan_ptr];
if ((pCurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING)) {
if (currTar_Info->TarSelQ_Cnt != 0) {
scan_ptr++;
if (scan_ptr == MAX_SCSI_TAR)
scan_ptr = 0;
for (lun = 0; lun < MAX_LUN; lun++) {
if (currTar_Info->TarLUNBusy[lun] == 0) {
pCurrCard->currentSCCB =
currTar_Info->TarSelQ_Head;
pOldSccb = NULL;
while ((pCurrCard->
currentSCCB != NULL)
&& (lun !=
pCurrCard->
currentSCCB->Lun)) {
pOldSccb =
pCurrCard->
currentSCCB;
pCurrCard->currentSCCB =
(struct sccb
*)(pCurrCard->
currentSCCB)->
Sccb_forwardlink;
}
if (pCurrCard->currentSCCB ==
NULL)
continue;
if (pOldSccb != NULL) {
pOldSccb->
Sccb_forwardlink =
(struct sccb
*)(pCurrCard->
currentSCCB)->
Sccb_forwardlink;
pOldSccb->
Sccb_backlink =
(struct sccb
*)(pCurrCard->
currentSCCB)->
Sccb_backlink;
currTar_Info->
TarSelQ_Cnt--;
} else {
currTar_Info->
TarSelQ_Head =
(struct sccb
*)(pCurrCard->
currentSCCB)->
Sccb_forwardlink;
if (currTar_Info->
TarSelQ_Head ==
NULL) {
currTar_Info->
TarSelQ_Tail
= NULL;
currTar_Info->
TarSelQ_Cnt
= 0;
} else {
currTar_Info->
TarSelQ_Cnt--;
currTar_Info->
TarSelQ_Head->
Sccb_backlink
=
(struct sccb
*)NULL;
}
}
pCurrCard->scanIndex = scan_ptr;
pCurrCard->globalFlags |=
F_NEW_SCCB_CMD;
break;
}
}
}
else {
scan_ptr++;
if (scan_ptr == MAX_SCSI_TAR) {
scan_ptr = 0;
}
}
} else {
if ((currTar_Info->TarSelQ_Cnt != 0) &&
(currTar_Info->TarLUNBusy[0] == 0)) {
pCurrCard->currentSCCB =
currTar_Info->TarSelQ_Head;
currTar_Info->TarSelQ_Head =
(struct sccb *)(pCurrCard->currentSCCB)->
Sccb_forwardlink;
if (currTar_Info->TarSelQ_Head == NULL) {
currTar_Info->TarSelQ_Tail = NULL;
currTar_Info->TarSelQ_Cnt = 0;
} else {
currTar_Info->TarSelQ_Cnt--;
currTar_Info->TarSelQ_Head->
Sccb_backlink = (struct sccb *)NULL;
}
scan_ptr++;
if (scan_ptr == MAX_SCSI_TAR)
scan_ptr = 0;
pCurrCard->scanIndex = scan_ptr;
pCurrCard->globalFlags |= F_NEW_SCCB_CMD;
break;
}
else {
scan_ptr++;
if (scan_ptr == MAX_SCSI_TAR) {
scan_ptr = 0;
}
}
}
} while (scan_ptr != pCurrCard->scanIndex);
}
/*---------------------------------------------------------------------
*
* Function: Queue Select Fail
*
* Description: Add the current SCCB to the head of the Queue.
*
*---------------------------------------------------------------------*/
static void FPT_queueSelectFail(struct sccb_card *pCurrCard,
unsigned char p_card)
{
unsigned char thisTarg;
struct sccb_mgr_tar_info *currTar_Info;
if (pCurrCard->currentSCCB != NULL) {
thisTarg =
(unsigned char)(((struct sccb *)(pCurrCard->currentSCCB))->
TargID);
currTar_Info = &FPT_sccbMgrTbl[p_card][thisTarg];
pCurrCard->currentSCCB->Sccb_backlink = (struct sccb *)NULL;
pCurrCard->currentSCCB->Sccb_forwardlink =
currTar_Info->TarSelQ_Head;
if (currTar_Info->TarSelQ_Cnt == 0) {
currTar_Info->TarSelQ_Tail = pCurrCard->currentSCCB;
}
else {
currTar_Info->TarSelQ_Head->Sccb_backlink =
pCurrCard->currentSCCB;
}
currTar_Info->TarSelQ_Head = pCurrCard->currentSCCB;
pCurrCard->currentSCCB = NULL;
currTar_Info->TarSelQ_Cnt++;
}
}
/*---------------------------------------------------------------------
*
* Function: Queue Command Complete
*
* Description: Call the callback function with the current SCCB.
*
*---------------------------------------------------------------------*/
static void FPT_queueCmdComplete(struct sccb_card *pCurrCard,
struct sccb *p_sccb, unsigned char p_card)
{
unsigned char i, SCSIcmd;
CALL_BK_FN callback;
struct sccb_mgr_tar_info *currTar_Info;
SCSIcmd = p_sccb->Cdb[0];
if (!(p_sccb->Sccb_XferState & F_ALL_XFERRED)) {
if ((p_sccb->
ControlByte & (SCCB_DATA_XFER_OUT | SCCB_DATA_XFER_IN))
&& (p_sccb->HostStatus == SCCB_COMPLETE)
&& (p_sccb->TargetStatus != SSCHECK))
if ((SCSIcmd == SCSI_READ) ||
(SCSIcmd == SCSI_WRITE) ||
(SCSIcmd == SCSI_READ_EXTENDED) ||
(SCSIcmd == SCSI_WRITE_EXTENDED) ||
(SCSIcmd == SCSI_WRITE_AND_VERIFY) ||
(SCSIcmd == SCSI_START_STOP_UNIT) ||
(pCurrCard->globalFlags & F_NO_FILTER)
)
p_sccb->HostStatus = SCCB_DATA_UNDER_RUN;
}
if (p_sccb->SccbStatus == SCCB_IN_PROCESS) {
if (p_sccb->HostStatus || p_sccb->TargetStatus)
p_sccb->SccbStatus = SCCB_ERROR;
else
p_sccb->SccbStatus = SCCB_SUCCESS;
}
if (p_sccb->Sccb_XferState & F_AUTO_SENSE) {
p_sccb->CdbLength = p_sccb->Save_CdbLen;
for (i = 0; i < 6; i++) {
p_sccb->Cdb[i] = p_sccb->Save_Cdb[i];
}
}
if ((p_sccb->OperationCode == RESIDUAL_SG_COMMAND) ||
(p_sccb->OperationCode == RESIDUAL_COMMAND)) {
FPT_utilUpdateResidual(p_sccb);
}
pCurrCard->cmdCounter--;
if (!pCurrCard->cmdCounter) {
if (pCurrCard->globalFlags & F_GREEN_PC) {
WR_HARPOON(pCurrCard->ioPort + hp_clkctrl_0,
(PWR_DWN | CLKCTRL_DEFAULT));
WR_HARPOON(pCurrCard->ioPort + hp_sys_ctrl, STOP_CLK);
}
WR_HARPOON(pCurrCard->ioPort + hp_semaphore,
(RD_HARPOON(pCurrCard->ioPort + hp_semaphore) &
~SCCB_MGR_ACTIVE));
}
if (pCurrCard->discQCount != 0) {
currTar_Info = &FPT_sccbMgrTbl[p_card][p_sccb->TargID];
if (((pCurrCard->globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) !=
TAG_Q_TRYING))) {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[currTar_Info->
LunDiscQ_Idx[p_sccb->Lun]] = NULL;
} else {
if (p_sccb->Sccb_tag) {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[p_sccb->Sccb_tag] = NULL;
} else {
pCurrCard->discQCount--;
pCurrCard->discQ_Tbl[currTar_Info->
LunDiscQ_Idx[0]] = NULL;
}
}
}
callback = (CALL_BK_FN) p_sccb->SccbCallback;
callback(p_sccb);
pCurrCard->globalFlags |= F_NEW_SCCB_CMD;
pCurrCard->currentSCCB = NULL;
}
/*---------------------------------------------------------------------
*
* Function: Queue Disconnect
*
* Description: Add SCCB to our disconnect array.
*
*---------------------------------------------------------------------*/
static void FPT_queueDisconnect(struct sccb *p_sccb, unsigned char p_card)
{
struct sccb_mgr_tar_info *currTar_Info;
currTar_Info = &FPT_sccbMgrTbl[p_card][p_sccb->TargID];
if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) &&
((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) {
FPT_BL_Card[p_card].discQ_Tbl[currTar_Info->
LunDiscQ_Idx[p_sccb->Lun]] =
p_sccb;
} else {
if (p_sccb->Sccb_tag) {
FPT_BL_Card[p_card].discQ_Tbl[p_sccb->Sccb_tag] =
p_sccb;
FPT_sccbMgrTbl[p_card][p_sccb->TargID].TarLUNBusy[0] =
0;
FPT_sccbMgrTbl[p_card][p_sccb->TargID].TarTagQ_Cnt++;
} else {
FPT_BL_Card[p_card].discQ_Tbl[currTar_Info->
LunDiscQ_Idx[0]] = p_sccb;
}
}
FPT_BL_Card[p_card].currentSCCB = NULL;
}
/*---------------------------------------------------------------------
*
* Function: Queue Flush SCCB
*
* Description: Flush all SCCB's back to the host driver for this target.
*
*---------------------------------------------------------------------*/
static void FPT_queueFlushSccb(unsigned char p_card, unsigned char error_code)
{
unsigned char qtag, thisTarg;
struct sccb *currSCCB;
struct sccb_mgr_tar_info *currTar_Info;
currSCCB = FPT_BL_Card[p_card].currentSCCB;
if (currSCCB != NULL) {
thisTarg = (unsigned char)currSCCB->TargID;
currTar_Info = &FPT_sccbMgrTbl[p_card][thisTarg];
for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) {
if (FPT_BL_Card[p_card].discQ_Tbl[qtag] &&
(FPT_BL_Card[p_card].discQ_Tbl[qtag]->TargID ==
thisTarg)) {
FPT_BL_Card[p_card].discQ_Tbl[qtag]->
HostStatus = (unsigned char)error_code;
FPT_queueCmdComplete(&FPT_BL_Card[p_card],
FPT_BL_Card[p_card].
discQ_Tbl[qtag], p_card);
FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL;
currTar_Info->TarTagQ_Cnt--;
}
}
}
}
/*---------------------------------------------------------------------
*
* Function: Queue Flush Target SCCB
*
* Description: Flush all SCCB's back to the host driver for this target.
*
*---------------------------------------------------------------------*/
static void FPT_queueFlushTargSccb(unsigned char p_card, unsigned char thisTarg,
unsigned char error_code)
{
unsigned char qtag;
struct sccb_mgr_tar_info *currTar_Info;
currTar_Info = &FPT_sccbMgrTbl[p_card][thisTarg];
for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) {
if (FPT_BL_Card[p_card].discQ_Tbl[qtag] &&
(FPT_BL_Card[p_card].discQ_Tbl[qtag]->TargID == thisTarg)) {
FPT_BL_Card[p_card].discQ_Tbl[qtag]->HostStatus =
(unsigned char)error_code;
FPT_queueCmdComplete(&FPT_BL_Card[p_card],
FPT_BL_Card[p_card].
discQ_Tbl[qtag], p_card);
FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL;
currTar_Info->TarTagQ_Cnt--;
}
}
}
static void FPT_queueAddSccb(struct sccb *p_SCCB, unsigned char p_card)
{
struct sccb_mgr_tar_info *currTar_Info;
currTar_Info = &FPT_sccbMgrTbl[p_card][p_SCCB->TargID];
p_SCCB->Sccb_forwardlink = NULL;
p_SCCB->Sccb_backlink = currTar_Info->TarSelQ_Tail;
if (currTar_Info->TarSelQ_Cnt == 0) {
currTar_Info->TarSelQ_Head = p_SCCB;
}
else {
currTar_Info->TarSelQ_Tail->Sccb_forwardlink = p_SCCB;
}
currTar_Info->TarSelQ_Tail = p_SCCB;
currTar_Info->TarSelQ_Cnt++;
}
/*---------------------------------------------------------------------
*
* Function: Queue Find SCCB
*
* Description: Search the target select Queue for this SCCB, and
* remove it if found.
*
*---------------------------------------------------------------------*/
static unsigned char FPT_queueFindSccb(struct sccb *p_SCCB,
unsigned char p_card)
{
struct sccb *q_ptr;
struct sccb_mgr_tar_info *currTar_Info;
currTar_Info = &FPT_sccbMgrTbl[p_card][p_SCCB->TargID];
q_ptr = currTar_Info->TarSelQ_Head;
while (q_ptr != NULL) {
if (q_ptr == p_SCCB) {
if (currTar_Info->TarSelQ_Head == q_ptr) {
currTar_Info->TarSelQ_Head =
q_ptr->Sccb_forwardlink;
}
if (currTar_Info->TarSelQ_Tail == q_ptr) {
currTar_Info->TarSelQ_Tail =
q_ptr->Sccb_backlink;
}
if (q_ptr->Sccb_forwardlink != NULL) {
q_ptr->Sccb_forwardlink->Sccb_backlink =
q_ptr->Sccb_backlink;
}
if (q_ptr->Sccb_backlink != NULL) {
q_ptr->Sccb_backlink->Sccb_forwardlink =
q_ptr->Sccb_forwardlink;
}
currTar_Info->TarSelQ_Cnt--;
return 1;
}
else {
q_ptr = q_ptr->Sccb_forwardlink;
}
}
return 0;
}
/*---------------------------------------------------------------------
*
* Function: Utility Update Residual Count
*
* Description: Update the XferCnt to the remaining byte count.
* If we transferred all the data then just write zero.
* If Non-SG transfer then report Total Cnt - Actual Transfer
* Cnt. For SG transfers add the count fields of all
* remaining SG elements, as well as any partial remaining
* element.
*
*---------------------------------------------------------------------*/
static void FPT_utilUpdateResidual(struct sccb *p_SCCB)
{
unsigned long partial_cnt;
unsigned int sg_index;
unsigned long *sg_ptr;
if (p_SCCB->Sccb_XferState & F_ALL_XFERRED) {
p_SCCB->DataLength = 0x0000;
}
else if (p_SCCB->Sccb_XferState & F_SG_XFER) {
partial_cnt = 0x0000;
sg_index = p_SCCB->Sccb_sgseg;
sg_ptr = (unsigned long *)p_SCCB->DataPointer;
if (p_SCCB->Sccb_SGoffset) {
partial_cnt = p_SCCB->Sccb_SGoffset;
sg_index++;
}
while (((unsigned long)sg_index *
(unsigned long)SG_ELEMENT_SIZE) < p_SCCB->DataLength) {
partial_cnt += *(sg_ptr + (sg_index * 2));
sg_index++;
}
p_SCCB->DataLength = partial_cnt;
}
else {
p_SCCB->DataLength -= p_SCCB->Sccb_ATC;
}
}
/*---------------------------------------------------------------------
*
* Function: Wait 1 Second
*
* Description: Wait for 1 second.
*
*---------------------------------------------------------------------*/
static void FPT_Wait1Second(unsigned long p_port)
{
unsigned char i;
for (i = 0; i < 4; i++) {
FPT_Wait(p_port, TO_250ms);
if ((RD_HARPOON(p_port + hp_scsictrl_0) & SCSI_RST))
break;
if ((RDW_HARPOON((p_port + hp_intstat)) & SCAM_SEL))
break;
}
}
/*---------------------------------------------------------------------
*
* Function: FPT_Wait
*
* Description: Wait the desired delay.
*
*---------------------------------------------------------------------*/
static void FPT_Wait(unsigned long p_port, unsigned char p_delay)
{
unsigned char old_timer;
unsigned char green_flag;
old_timer = RD_HARPOON(p_port + hp_seltimeout);
green_flag = RD_HARPOON(p_port + hp_clkctrl_0);
WR_HARPOON(p_port + hp_clkctrl_0, CLKCTRL_DEFAULT);
WR_HARPOON(p_port + hp_seltimeout, p_delay);
WRW_HARPOON((p_port + hp_intstat), TIMEOUT);
WRW_HARPOON((p_port + hp_intena), (FPT_default_intena & ~TIMEOUT));
WR_HARPOON(p_port + hp_portctrl_0,
(RD_HARPOON(p_port + hp_portctrl_0) | START_TO));
while (!(RDW_HARPOON((p_port + hp_intstat)) & TIMEOUT)) {
if ((RD_HARPOON(p_port + hp_scsictrl_0) & SCSI_RST))
break;
if ((RDW_HARPOON((p_port + hp_intstat)) & SCAM_SEL))
break;
}
WR_HARPOON(p_port + hp_portctrl_0,
(RD_HARPOON(p_port + hp_portctrl_0) & ~START_TO));
WRW_HARPOON((p_port + hp_intstat), TIMEOUT);
WRW_HARPOON((p_port + hp_intena), FPT_default_intena);
WR_HARPOON(p_port + hp_clkctrl_0, green_flag);
WR_HARPOON(p_port + hp_seltimeout, old_timer);
}
/*---------------------------------------------------------------------
*
* Function: Enable/Disable Write to EEPROM
*
* Description: The EEPROM must first be enabled for writes
* A total of 9 clocks are needed.
*
*---------------------------------------------------------------------*/
static void FPT_utilEEWriteOnOff(unsigned long p_port, unsigned char p_mode)
{
unsigned char ee_value;
ee_value =
(unsigned char)(RD_HARPOON(p_port + hp_ee_ctrl) &
(EXT_ARB_ACK | SCSI_TERM_ENA_H));
if (p_mode)
FPT_utilEESendCmdAddr(p_port, EWEN, EWEN_ADDR);
else
FPT_utilEESendCmdAddr(p_port, EWDS, EWDS_ADDR);
WR_HARPOON(p_port + hp_ee_ctrl, (ee_value | SEE_MS)); /*Turn off CS */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value); /*Turn off Master Select */
}
/*---------------------------------------------------------------------
*
* Function: Write EEPROM
*
* Description: Write a word to the EEPROM at the specified
* address.
*
*---------------------------------------------------------------------*/
static void FPT_utilEEWrite(unsigned long p_port, unsigned short ee_data,
unsigned short ee_addr)
{
unsigned char ee_value;
unsigned short i;
ee_value =
(unsigned
char)((RD_HARPOON(p_port + hp_ee_ctrl) &
(EXT_ARB_ACK | SCSI_TERM_ENA_H)) | (SEE_MS | SEE_CS));
FPT_utilEESendCmdAddr(p_port, EE_WRITE, ee_addr);
ee_value |= (SEE_MS + SEE_CS);
for (i = 0x8000; i != 0; i >>= 1) {
if (i & ee_data)
ee_value |= SEE_DO;
else
ee_value &= ~SEE_DO;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value |= SEE_CLK; /* Clock data! */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value &= ~SEE_CLK;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
}
ee_value &= (EXT_ARB_ACK | SCSI_TERM_ENA_H);
WR_HARPOON(p_port + hp_ee_ctrl, (ee_value | SEE_MS));
FPT_Wait(p_port, TO_10ms);
WR_HARPOON(p_port + hp_ee_ctrl, (ee_value | SEE_MS | SEE_CS)); /* Set CS to EEPROM */
WR_HARPOON(p_port + hp_ee_ctrl, (ee_value | SEE_MS)); /* Turn off CS */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value); /* Turn off Master Select */
}
/*---------------------------------------------------------------------
*
* Function: Read EEPROM
*
* Description: Read a word from the EEPROM at the desired
* address.
*
*---------------------------------------------------------------------*/
static unsigned short FPT_utilEERead(unsigned long p_port,
unsigned short ee_addr)
{
unsigned short i, ee_data1, ee_data2;
i = 0;
ee_data1 = FPT_utilEEReadOrg(p_port, ee_addr);
do {
ee_data2 = FPT_utilEEReadOrg(p_port, ee_addr);
if (ee_data1 == ee_data2)
return ee_data1;
ee_data1 = ee_data2;
i++;
} while (i < 4);
return ee_data1;
}
/*---------------------------------------------------------------------
*
* Function: Read EEPROM Original
*
* Description: Read a word from the EEPROM at the desired
* address.
*
*---------------------------------------------------------------------*/
static unsigned short FPT_utilEEReadOrg(unsigned long p_port,
unsigned short ee_addr)
{
unsigned char ee_value;
unsigned short i, ee_data;
ee_value =
(unsigned
char)((RD_HARPOON(p_port + hp_ee_ctrl) &
(EXT_ARB_ACK | SCSI_TERM_ENA_H)) | (SEE_MS | SEE_CS));
FPT_utilEESendCmdAddr(p_port, EE_READ, ee_addr);
ee_value |= (SEE_MS + SEE_CS);
ee_data = 0;
for (i = 1; i <= 16; i++) {
ee_value |= SEE_CLK; /* Clock data! */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value &= ~SEE_CLK;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_data <<= 1;
if (RD_HARPOON(p_port + hp_ee_ctrl) & SEE_DI)
ee_data |= 1;
}
ee_value &= ~(SEE_MS + SEE_CS);
WR_HARPOON(p_port + hp_ee_ctrl, (ee_value | SEE_MS)); /*Turn off CS */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value); /*Turn off Master Select */
return ee_data;
}
/*---------------------------------------------------------------------
*
* Function: Send EE command and Address to the EEPROM
*
* Description: Transfers the correct command and sends the address
* to the eeprom.
*
*---------------------------------------------------------------------*/
static void FPT_utilEESendCmdAddr(unsigned long p_port, unsigned char ee_cmd,
unsigned short ee_addr)
{
unsigned char ee_value;
unsigned char narrow_flg;
unsigned short i;
narrow_flg =
(unsigned char)(RD_HARPOON(p_port + hp_page_ctrl) &
NARROW_SCSI_CARD);
ee_value = SEE_MS;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value |= SEE_CS; /* Set CS to EEPROM */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
for (i = 0x04; i != 0; i >>= 1) {
if (i & ee_cmd)
ee_value |= SEE_DO;
else
ee_value &= ~SEE_DO;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value |= SEE_CLK; /* Clock data! */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value &= ~SEE_CLK;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
}
if (narrow_flg)
i = 0x0080;
else
i = 0x0200;
while (i != 0) {
if (i & ee_addr)
ee_value |= SEE_DO;
else
ee_value &= ~SEE_DO;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value |= SEE_CLK; /* Clock data! */
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
ee_value &= ~SEE_CLK;
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
WR_HARPOON(p_port + hp_ee_ctrl, ee_value);
i >>= 1;
}
}
static unsigned short FPT_CalcCrc16(unsigned char buffer[])
{
unsigned short crc = 0;
int i, j;
unsigned short ch;
for (i = 0; i < ID_STRING_LENGTH; i++) {
ch = (unsigned short)buffer[i];
for (j = 0; j < 8; j++) {
if ((crc ^ ch) & 1)
crc = (crc >> 1) ^ CRCMASK;
else
crc >>= 1;
ch >>= 1;
}
}
return crc;
}
static unsigned char FPT_CalcLrc(unsigned char buffer[])
{
int i;
unsigned char lrc;
lrc = 0;
for (i = 0; i < ID_STRING_LENGTH; i++)
lrc ^= buffer[i];
return lrc;
}
/*
The following inline definitions avoid type conflicts.
*/
static inline unsigned char
FlashPoint__ProbeHostAdapter(struct FlashPoint_Info *FlashPointInfo)
{
return FlashPoint_ProbeHostAdapter((struct sccb_mgr_info *)
FlashPointInfo);
}
static inline FlashPoint_CardHandle_T
FlashPoint__HardwareResetHostAdapter(struct FlashPoint_Info *FlashPointInfo)
{
return FlashPoint_HardwareResetHostAdapter((struct sccb_mgr_info *)
FlashPointInfo);
}
static inline void
FlashPoint__ReleaseHostAdapter(FlashPoint_CardHandle_T CardHandle)
{
FlashPoint_ReleaseHostAdapter(CardHandle);
}
static inline void
FlashPoint__StartCCB(FlashPoint_CardHandle_T CardHandle,
struct BusLogic_CCB *CCB)
{
FlashPoint_StartCCB(CardHandle, (struct sccb *)CCB);
}
static inline void
FlashPoint__AbortCCB(FlashPoint_CardHandle_T CardHandle,
struct BusLogic_CCB *CCB)
{
FlashPoint_AbortCCB(CardHandle, (struct sccb *)CCB);
}
static inline bool
FlashPoint__InterruptPending(FlashPoint_CardHandle_T CardHandle)
{
return FlashPoint_InterruptPending(CardHandle);
}
static inline int
FlashPoint__HandleInterrupt(FlashPoint_CardHandle_T CardHandle)
{
return FlashPoint_HandleInterrupt(CardHandle);
}
#define FlashPoint_ProbeHostAdapter FlashPoint__ProbeHostAdapter
#define FlashPoint_HardwareResetHostAdapter FlashPoint__HardwareResetHostAdapter
#define FlashPoint_ReleaseHostAdapter FlashPoint__ReleaseHostAdapter
#define FlashPoint_StartCCB FlashPoint__StartCCB
#define FlashPoint_AbortCCB FlashPoint__AbortCCB
#define FlashPoint_InterruptPending FlashPoint__InterruptPending
#define FlashPoint_HandleInterrupt FlashPoint__HandleInterrupt
#else /* !CONFIG_SCSI_FLASHPOINT */
/*
Define prototypes for the FlashPoint SCCB Manager Functions.
*/
extern unsigned char FlashPoint_ProbeHostAdapter(struct FlashPoint_Info *);
extern FlashPoint_CardHandle_T
FlashPoint_HardwareResetHostAdapter(struct FlashPoint_Info *);
extern void FlashPoint_StartCCB(FlashPoint_CardHandle_T, struct BusLogic_CCB *);
extern int FlashPoint_AbortCCB(FlashPoint_CardHandle_T, struct BusLogic_CCB *);
extern bool FlashPoint_InterruptPending(FlashPoint_CardHandle_T);
extern int FlashPoint_HandleInterrupt(FlashPoint_CardHandle_T);
extern void FlashPoint_ReleaseHostAdapter(FlashPoint_CardHandle_T);
#endif /* CONFIG_SCSI_FLASHPOINT */
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