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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 {
- u32 si_baseaddr;
- unsigned char si_present;
- unsigned char si_intvect;
- unsigned char si_id;
- unsigned char si_lun;
- u16 si_fw_revision;
- u16 si_per_targ_init_sync;
- u16 si_per_targ_fast_nego;
- u16 si_per_targ_ultra_nego;
- u16 si_per_targ_no_disc;
- u16 si_per_targ_wide_nego;
- u16 si_mflags;
- 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];
- u32 si_OS_reserved;
- unsigned char si_XlatInfo[4];
- u32 si_reserved2[5];
- u32 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;
- u32 DataLength;
- void *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;
- u32 Reserved2;
- u32 SensePointer;
- CALL_BK_FN SccbCallback; /* VOID (*SccbCallback)(); */
- u32 SccbIOPort; /* Identifies board base port */
- unsigned char SccbStatus;
- unsigned char SCCBRes2;
- u16 SccbOSFlags;
- u32 Sccb_XferCnt; /* actual transfer count */
- u32 Sccb_ATC;
- u32 SccbVirtDataPtr; /* virtual addr for OS/2 */
- u32 Sccb_res1;
- u16 Sccb_MGRFlags;
- u16 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;
- u32 Sccb_savedATC;
- unsigned char Save_Cdb[6];
- unsigned char Save_CdbLen;
- unsigned char Sccb_XferState;
- u32 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. */
- u32 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;
- u32 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 SMIDENT 0x80
- #define DISC_PRIV 0x40
- #define SM8BIT 0x00
- #define SM16BIT 0x01
- #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(u32 port, unsigned char p_card,
- unsigned char syncFlag);
- static void FPT_ssel(u32 port, unsigned char p_card);
- static void FPT_sres(u32 port, unsigned char p_card,
- struct sccb_card *pCurrCard);
- static void FPT_shandem(u32 port, unsigned char p_card,
- struct sccb *pCurrSCCB);
- static void FPT_stsyncn(u32 port, unsigned char p_card);
- static void FPT_sisyncr(u32 port, unsigned char sync_pulse,
- unsigned char offset);
- static void FPT_sssyncv(u32 p_port, unsigned char p_id,
- unsigned char p_sync_value,
- struct sccb_mgr_tar_info *currTar_Info);
- static void FPT_sresb(u32 port, unsigned char p_card);
- static void FPT_sxfrp(u32 p_port, unsigned char p_card);
- static void FPT_schkdd(u32 port, unsigned char p_card);
- static unsigned char FPT_RdStack(u32 port, unsigned char index);
- static void FPT_WrStack(u32 portBase, unsigned char index,
- unsigned char data);
- static unsigned char FPT_ChkIfChipInitialized(u32 ioPort);
- static void FPT_SendMsg(u32 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(u32 port, unsigned char p_card);
- static void FPT_stwidn(u32 port, unsigned char p_card);
- static void FPT_siwidr(u32 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(u32 p_port);
- static void FPT_Wait(u32 p_port, unsigned char p_delay);
- static void FPT_utilEEWriteOnOff(u32 p_port, unsigned char p_mode);
- static void FPT_utilEEWrite(u32 p_port, unsigned short ee_data,
- unsigned short ee_addr);
- static unsigned short FPT_utilEERead(u32 p_port,
- unsigned short ee_addr);
- static unsigned short FPT_utilEEReadOrg(u32 p_port,
- unsigned short ee_addr);
- static void FPT_utilEESendCmdAddr(u32 p_port, unsigned char ee_cmd,
- unsigned short ee_addr);
- static void FPT_phaseDataOut(u32 port, unsigned char p_card);
- static void FPT_phaseDataIn(u32 port, unsigned char p_card);
- static void FPT_phaseCommand(u32 port, unsigned char p_card);
- static void FPT_phaseStatus(u32 port, unsigned char p_card);
- static void FPT_phaseMsgOut(u32 port, unsigned char p_card);
- static void FPT_phaseMsgIn(u32 port, unsigned char p_card);
- static void FPT_phaseIllegal(u32 port, unsigned char p_card);
- static void FPT_phaseDecode(u32 port, unsigned char p_card);
- static void FPT_phaseChkFifo(u32 port, unsigned char p_card);
- static void FPT_phaseBusFree(u32 p_port, unsigned char p_card);
- static void FPT_XbowInit(u32 port, unsigned char scamFlg);
- static void FPT_BusMasterInit(u32 p_port);
- static void FPT_DiagEEPROM(u32 p_port);
- static void FPT_dataXferProcessor(u32 port,
- struct sccb_card *pCurrCard);
- static void FPT_busMstrSGDataXferStart(u32 port,
- struct sccb *pCurrSCCB);
- static void FPT_busMstrDataXferStart(u32 port,
- struct sccb *pCurrSCCB);
- static void FPT_hostDataXferAbort(u32 port, unsigned char p_card,
- struct sccb *pCurrSCCB);
- static void FPT_hostDataXferRestart(struct sccb *currSCCB);
- static unsigned char FPT_SccbMgr_bad_isr(u32 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(u32 p_port, unsigned char p_sel_type);
- static void FPT_scbusf(u32 p_port);
- static void FPT_scsel(u32 p_port);
- static void FPT_scasid(unsigned char p_card, u32 p_port);
- static unsigned char FPT_scxferc(u32 p_port, unsigned char p_data);
- static unsigned char FPT_scsendi(u32 p_port,
- unsigned char p_id_string[]);
- static unsigned char FPT_sciso(u32 p_port,
- unsigned char p_id_string[]);
- static void FPT_scwirod(u32 p_port, unsigned char p_data_bit);
- static void FPT_scwiros(u32 p_port, unsigned char p_data_bit);
- static unsigned char FPT_scvalq(unsigned char p_quintet);
- static unsigned char FPT_scsell(u32 p_port, unsigned char targ_id);
- static void FPT_scwtsel(u32 p_port);
- static void FPT_inisci(unsigned char p_card, u32 p_port,
- unsigned char p_our_id);
- static void FPT_scsavdi(unsigned char p_card, u32 p_port);
- static unsigned char FPT_scmachid(unsigned char p_card,
- unsigned char p_id_string[]);
- static void FPT_autoCmdCmplt(u32 p_port, unsigned char p_card);
- static void FPT_autoLoadDefaultMap(u32 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]) (u32, 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;
- u32 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;
- fallthrough;
- case AUTO_RATE_10: /* Synchronous, 10 mega-transfers/second */
- temp5 |= 0x8000;
- fallthrough;
- case AUTO_RATE_05: /* Synchronous, 5 mega-transfers/second */
- temp2 |= 0x8000;
- fallthrough;
- 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_mflags = 0x0000;
- if (i & 0x01)
- pCardInfo->si_mflags |= SCSI_PARITY_ENA;
- if (!(i & 0x02))
- pCardInfo->si_mflags |= SOFT_RESET;
- if (i & 0x10)
- pCardInfo->si_mflags |= EXTENDED_TRANSLATION;
- if (ScamFlg & SCAM_ENABLED)
- pCardInfo->si_mflags |= FLAG_SCAM_ENABLED;
- if (ScamFlg & SCAM_LEVEL2)
- pCardInfo->si_mflags |= 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_mflags |= 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_mflags |= 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_mflags |= LOW_BYTE_TERM;
- WR_HARPOON(ioport + hp_xfer_pad, (temp | BIT(4)));
- if (RD_HARPOON(ioport + hp_ee_ctrl) & BIT(7))
- pCardInfo->si_mflags |= 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_mflags |= LOW_BYTE_TERM;
- if (!(temp3 & BIT(6)))
- pCardInfo->si_mflags |= 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 void *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;
- u32 ioport;
- ioport = pCardInfo->si_baseaddr;
- for (thisCard = 0; thisCard <= MAX_CARDS; thisCard++) {
- if (thisCard == MAX_CARDS)
- return (void *)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_mflags;
- 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_mflags & SOFT_RESET)) {
- FPT_sresb(ioport, thisCard);
- FPT_scini(thisCard, pCardInfo->si_id, 0);
- }
- if (pCardInfo->si_mflags & 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 (void *)CurrCard;
- }
- static void FlashPoint_ReleaseHostAdapter(void *pCurrCard)
- {
- unsigned char i;
- u32 portBase;
- u32 regOffset;
- u32 scamData;
- u32 *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 = (u32 *)&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;
- u32 portBase;
- u32 regOffset;
- u32 scamData;
- u32 *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 = (u32 *)&pNvRamInfo->niScamTbl[i];
- *pScamTbl = scamData;
- }
- }
- static unsigned char FPT_RdStack(u32 portBase, unsigned char index)
- {
- WR_HARPOON(portBase + hp_stack_addr, index);
- return RD_HARPOON(portBase + hp_stack_data);
- }
- static void FPT_WrStack(u32 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(u32 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(void *curr_card, struct sccb *p_Sccb)
- {
- u32 ioport;
- unsigned char thisCard, lun;
- struct sccb *pSaveSccb;
- CALL_BK_FN callback;
- struct sccb_card *pCurrCard = curr_card;
- thisCard = pCurrCard->cardIndex;
- ioport = 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 (!pCurrCard->cmdCounter) {
- WR_HARPOON(ioport + hp_semaphore,
- (RD_HARPOON(ioport + hp_semaphore)
- | SCCB_MGR_ACTIVE));
- if (pCurrCard->globalFlags & F_GREEN_PC) {
- WR_HARPOON(ioport + hp_clkctrl_0, CLKCTRL_DEFAULT);
- WR_HARPOON(ioport + hp_sys_ctrl, 0x00);
- }
- }
- 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 =
- pCurrCard->currentSCCB;
- pCurrCard->currentSCCB = p_Sccb;
- FPT_queueSelectFail(&FPT_BL_Card[thisCard], thisCard);
- 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 =
- pCurrCard->currentSCCB;
- pCurrCard->currentSCCB = p_Sccb;
- FPT_queueSelectFail(&FPT_BL_Card[thisCard], thisCard);
- pCurrCard->currentSCCB =
- pSaveSccb;
- } else {
- FPT_queueAddSccb(p_Sccb, thisCard);
- }
- }
- else {
- MDISABLE_INT(ioport);
- if ((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 ((pCurrCard->currentSCCB == NULL) &&
- (FPT_sccbMgrTbl[thisCard][p_Sccb->TargID].TarSelQ_Cnt == 0)
- && (FPT_sccbMgrTbl[thisCard][p_Sccb->TargID].TarLUNBusy[lun]
- == 0)) {
- pCurrCard->currentSCCB = p_Sccb;
- FPT_ssel(p_Sccb->SccbIOPort, thisCard);
- }
- else {
- if (p_Sccb->OperationCode == RESET_COMMAND) {
- pSaveSccb = pCurrCard->currentSCCB;
- pCurrCard->currentSCCB = p_Sccb;
- FPT_queueSelectFail(&FPT_BL_Card[thisCard],
- thisCard);
- 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(void *pCurrCard, struct sccb *p_Sccb)
- {
- u32 ioport;
- unsigned char thisCard;
- CALL_BK_FN callback;
- 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 {
- 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 =
- ABORT_TASK;
- 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(void *pCurrCard)
- {
- u32 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(void *pcard)
- {
- struct sccb *currSCCB;
- unsigned char thisCard, result, bm_status;
- unsigned short hp_int;
- unsigned char i, target;
- struct sccb_card *pCurrCard = pcard;
- u32 ioport;
- thisCard = pCurrCard->cardIndex;
- ioport = pCurrCard->ioPort;
- MDISABLE_INT(ioport);
- if (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 = pCurrCard->currentSCCB;
- if (hp_int & (FIFO | TIMEOUT | RESET | SCAM_SEL) || bm_status) {
- result =
- FPT_SccbMgr_bad_isr(ioport, thisCard, 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 (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 (pCurrCard->globalFlags & F_HOST_XFER_ACT)
- FPT_phaseChkFifo(ioport, thisCard);
- if (RD_HARPOON(ioport + hp_gp_reg_1) ==
- SAVE_POINTERS) {
- 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));
- 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 (pCurrCard->globalFlags & F_HOST_XFER_ACT)
- FPT_phaseChkFifo(ioport, thisCard);
- if (RD_HARPOON(ioport + hp_gp_reg_1) ==
- SAVE_POINTERS) {
- 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, 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 (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);
- pCurrCard->globalFlags |= F_NEW_SCCB_CMD;
- }
- if (((struct sccb_card *)pCurrCard)->
- globalFlags & F_NEW_SCCB_CMD) {
- pCurrCard->globalFlags &= ~F_NEW_SCCB_CMD;
- if (pCurrCard->currentSCCB == NULL)
- FPT_queueSearchSelect(pCurrCard, thisCard);
- if (pCurrCard->currentSCCB != NULL) {
- 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(u32 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(void)
- {
- 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(u32 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 = MSG_PARITY_ERROR;
- }
- 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(u32 port, unsigned char p_card)
- {
- unsigned char auto_loaded, i, target, *theCCB;
- u32 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 = TARGET_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 happened 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(u32 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, MSG_PARITY_ERROR);
- } else {
- FPT_SendMsg(port, TARGET_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(u32 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 == ABORT_TASK_SET) || (message == TARGET_RESET) ||
- (message == ABORT_TASK)) {
- 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 response to the message from the
- * target device.
- *
- *---------------------------------------------------------------------*/
- static void FPT_sdecm(unsigned char message, u32 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 == RESTORE_POINTERS) {
- 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 == COMMAND_COMPLETE) {
- 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 == NOP) || (message >= IDENTIFY_BASE) ||
- (message == INITIATE_RECOVERY) ||
- (message == RELEASE_RECOVERY)) {
- ACCEPT_MSG(port);
- WR_HARPOON(port + hp_autostart_1,
- (AUTO_IMMED + DISCONNECT_START));
- }
- else if (message == MESSAGE_REJECT) {
- 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 == EXTENDED_MESSAGE) {
- ACCEPT_MSG(port);
- FPT_shandem(port, p_card, currSCCB);
- }
- else if (message == IGNORE_WIDE_RESIDUE) {
- ACCEPT_MSG(port); /* ACK the RESIDUE MSG */
- message = FPT_sfm(port, currSCCB);
- if (currSCCB->Sccb_scsimsg != MSG_PARITY_ERROR)
- ACCEPT_MSG(port);
- WR_HARPOON(port + hp_autostart_1,
- (AUTO_IMMED + DISCONNECT_START));
- }
- else {
- currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL;
- currSCCB->Sccb_scsimsg = MESSAGE_REJECT;
- 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(u32 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 == EXTENDED_SDTR) {
- if (length == 0x03) {
- ACCEPT_MSG(port);
- FPT_stsyncn(port, p_card);
- } else {
- pCurrSCCB->Sccb_scsimsg = MESSAGE_REJECT;
- ACCEPT_MSG_ATN(port);
- }
- } else if (message == EXTENDED_WDTR) {
- if (length == 0x02) {
- ACCEPT_MSG(port);
- FPT_stwidn(port, p_card);
- } else {
- pCurrSCCB->Sccb_scsimsg = MESSAGE_REJECT;
- ACCEPT_MSG_ATN(port);
- WR_HARPOON(port + hp_autostart_1,
- (AUTO_IMMED +
- DISCONNECT_START));
- }
- } else {
- pCurrSCCB->Sccb_scsimsg = MESSAGE_REJECT;
- ACCEPT_MSG_ATN(port);
- WR_HARPOON(port + hp_autostart_1,
- (AUTO_IMMED + DISCONNECT_START));
- }
- } else {
- if (pCurrSCCB->Sccb_scsimsg != MSG_PARITY_ERROR)
- ACCEPT_MSG(port);
- WR_HARPOON(port + hp_autostart_1,
- (AUTO_IMMED + DISCONNECT_START));
- }
- } else {
- if (pCurrSCCB->Sccb_scsimsg == MSG_PARITY_ERROR)
- 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(u32 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 + EXTENDED_MESSAGE));
- WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03));
- WRW_HARPOON((port + SYNC_MSGS + 4),
- (MPM_OP + AMSG_OUT + EXTENDED_SDTR));
- 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(u32 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 == MSG_PARITY_ERROR)) {
- 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 == MSG_PARITY_ERROR)) {
- 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(u32 port, unsigned char sync_pulse,
- unsigned char offset)
- {
- ARAM_ACCESS(port);
- WRW_HARPOON((port + SYNC_MSGS + 0),
- (MPM_OP + AMSG_OUT + EXTENDED_MESSAGE));
- WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03));
- WRW_HARPOON((port + SYNC_MSGS + 4),
- (MPM_OP + AMSG_OUT + EXTENDED_SDTR));
- 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(u32 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 + EXTENDED_MESSAGE));
- WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02));
- WRW_HARPOON((port + SYNC_MSGS + 4),
- (MPM_OP + AMSG_OUT + EXTENDED_WDTR));
- 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(u32 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 == MSG_PARITY_ERROR)) {
- 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(u32 port, unsigned char width)
- {
- ARAM_ACCESS(port);
- WRW_HARPOON((port + SYNC_MSGS + 0),
- (MPM_OP + AMSG_OUT + EXTENDED_MESSAGE));
- WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02));
- WRW_HARPOON((port + SYNC_MSGS + 4),
- (MPM_OP + AMSG_OUT + EXTENDED_WDTR));
- 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(u32 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(u32 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] = 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 = (u32)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(u32 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(u32 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 = IDENTIFY(true, p_sccb->Lun);
- } else {
- p_sccb->Sccb_idmsg = IDENTIFY(false, 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 = NOP;
- }
- /*---------------------------------------------------------------------
- *
- * Function: Phase Decode
- *
- * Description: Determine the phase and call the appropriate function.
- *
- *---------------------------------------------------------------------*/
- static void FPT_phaseDecode(u32 p_port, unsigned char p_card)
- {
- unsigned char phase_ref;
- void (*phase) (u32, 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(u32 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(u32 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(u32 p_port, unsigned char p_card)
- {
- struct sccb *currSCCB;
- u32 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(u32 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(u32 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 == TARGET_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 == NOP) {
- currSCCB->Sccb_MGRFlags |= F_DEV_SELECTED;
- FPT_ssel(port, p_card);
- return;
- }
- } else {
- if (message == ABORT_TASK_SET)
- FPT_queueFlushSccb(p_card, SCCB_COMPLETE);
- }
- } else {
- message = ABORT_TASK_SET;
- }
- 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 == ABORT_TASK_SET) || (message == TARGET_RESET) ||
- (message == ABORT_TASK)) {
- 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 == MSG_PARITY_ERROR) {
- currSCCB->Sccb_scsimsg = NOP;
- 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(u32 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 == DISCONNECT) || (message == SAVE_POINTERS)) {
- 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 != MSG_PARITY_ERROR)
- 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(u32 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 = ABORT_TASK_SET;
- }
- 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(u32 port, unsigned char p_card)
- {
- u32 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(u32 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 default map values.
- *
- *---------------------------------------------------------------------*/
- static void FPT_autoLoadDefaultMap(u32 p_port)
- {
- u32 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(u32 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 != SAM_STAT_GOOD) {
- if (status_byte == SAM_STAT_TASK_SET_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 == SAM_STAT_CHECK_CONDITION) {
- 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 == SAM_STAT_CHECK_CONDITION) {
- 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(u32 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(u32 p_port, struct sccb *pcurrSCCB)
- {
- u32 count, addr, tmpSGCnt;
- unsigned int sg_index;
- unsigned char sg_count, i;
- u32 reg_offset;
- struct blogic_sg_seg *segp;
- if (pcurrSCCB->Sccb_XferState & F_HOST_XFER_DIR)
- count = ((u32)HOST_RD_CMD) << 24;
- else
- count = ((u32)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) &&
- ((sg_index * (unsigned int)SG_ELEMENT_SIZE) <
- pcurrSCCB->DataLength)) {
- segp = (struct blogic_sg_seg *)(pcurrSCCB->DataPointer) +
- sg_index;
- tmpSGCnt += segp->segbytes;
- count |= segp->segbytes;
- addr = segp->segdata;
- 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(u32 p_port, struct sccb *pcurrSCCB)
- {
- u32 addr, count;
- if (!(pcurrSCCB->Sccb_XferState & F_AUTO_SENSE)) {
- count = pcurrSCCB->Sccb_XferCnt;
- addr = (u32)(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(u32 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(u32 port, unsigned char p_card,
- struct sccb *pCurrSCCB)
- {
- unsigned long timeout;
- unsigned long remain_cnt;
- u32 sg_ptr;
- struct blogic_sg_seg *segp;
- 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 = (u32)(pCurrSCCB->DataLength /
- SG_ELEMENT_SIZE);
- }
- remain_cnt = pCurrSCCB->Sccb_XferCnt;
- while (remain_cnt < 0x01000000L) {
- sg_ptr--;
- segp = (struct blogic_sg_seg *)(pCurrSCCB->
- DataPointer) + (sg_ptr * 2);
- if (remain_cnt > (unsigned long)segp->segbytes)
- remain_cnt -=
- (unsigned long)segp->segbytes;
- 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 ((u32)(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;
- struct blogic_sg_seg *segp;
- 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. */
- while (data_count < currSCCB->Sccb_ATC) {
- sg_index++;
- segp = (struct blogic_sg_seg *)(currSCCB->DataPointer) +
- (sg_index * 2);
- data_count += segp->segbytes;
- }
- 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;
- u32 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(u32 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(u32 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, u32 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(u32 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(u32 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(u32 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(u32 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(u32 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(u32 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(u32 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(u32 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, u32 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, u32 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(u32 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(u32 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(u32 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 != SAM_STAT_CHECK_CONDITION))
- if ((SCSIcmd == READ_6) ||
- (SCSIcmd == WRITE_6) ||
- (SCSIcmd == READ_10) ||
- (SCSIcmd == WRITE_10) ||
- (SCSIcmd == WRITE_VERIFY) ||
- (SCSIcmd == START_STOP) ||
- (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;
- struct blogic_sg_seg *segp;
- 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;
- 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) {
- segp = (struct blogic_sg_seg *)(p_SCCB->DataPointer) +
- (sg_index * 2);
- partial_cnt += segp->segbytes;
- 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(u32 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(u32 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(u32 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(u32 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(u32 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(u32 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(u32 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 fpoint_info *FlashPointInfo)
- {
- return FlashPoint_ProbeHostAdapter((struct sccb_mgr_info *)
- FlashPointInfo);
- }
- static inline void *
- FlashPoint__HardwareResetHostAdapter(struct fpoint_info *FlashPointInfo)
- {
- return FlashPoint_HardwareResetHostAdapter((struct sccb_mgr_info *)
- FlashPointInfo);
- }
- static inline void
- FlashPoint__ReleaseHostAdapter(void *CardHandle)
- {
- FlashPoint_ReleaseHostAdapter(CardHandle);
- }
- static inline void
- FlashPoint__StartCCB(void *CardHandle, struct blogic_ccb *CCB)
- {
- FlashPoint_StartCCB(CardHandle, (struct sccb *)CCB);
- }
- static inline void
- FlashPoint__AbortCCB(void *CardHandle, struct blogic_ccb *CCB)
- {
- FlashPoint_AbortCCB(CardHandle, (struct sccb *)CCB);
- }
- static inline bool
- FlashPoint__InterruptPending(void *CardHandle)
- {
- return FlashPoint_InterruptPending(CardHandle);
- }
- static inline int
- FlashPoint__HandleInterrupt(void *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 fpoint_info *);
- extern void *FlashPoint_HardwareResetHostAdapter(struct fpoint_info *);
- extern void FlashPoint_StartCCB(void *, struct blogic_ccb *);
- extern int FlashPoint_AbortCCB(void *, struct blogic_ccb *);
- extern bool FlashPoint_InterruptPending(void *);
- extern int FlashPoint_HandleInterrupt(void *);
- extern void FlashPoint_ReleaseHostAdapter(void *);
- #endif /* CONFIG_SCSI_FLASHPOINT */
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