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Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/FlashPoint.c | 7588 |
1 files changed, 7588 insertions, 0 deletions
diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c new file mode 100644 index 000000000..4bca37d52 --- /dev/null +++ b/drivers/scsi/FlashPoint.c @@ -0,0 +1,7588 @@ +/* + + 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 SCSI_REQUEST_SENSE 0x03 +#define SCSI_READ 0x08 +#define SCSI_WRITE 0x0A +#define SCSI_START_STOP_UNIT 0x1B +#define SCSI_READ_EXTENDED 0x28 +#define SCSI_WRITE_EXTENDED 0x2A +#define SCSI_WRITE_AND_VERIFY 0x2E + +#define SSGOOD 0x00 +#define SSCHECK 0x02 +#define SSQ_FULL 0x28 + +#define SMCMD_COMP 0x00 +#define SMEXT 0x01 +#define SMSAVE_DATA_PTR 0x02 +#define SMREST_DATA_PTR 0x03 +#define SMDISC 0x04 +#define SMABORT 0x06 +#define SMREJECT 0x07 +#define SMNO_OP 0x08 +#define SMPARITY 0x09 +#define SMDEV_RESET 0x0C +#define SMABORT_TAG 0x0D +#define SMINIT_RECOVERY 0x0F +#define SMREL_RECOVERY 0x10 + +#define SMIDENT 0x80 +#define DISC_PRIV 0x40 + +#define SMSYNC 0x01 +#define SMWDTR 0x03 +#define SM8BIT 0x00 +#define SM16BIT 0x01 +#define SMIGNORWR 0x23 /* Ignore Wide Residue */ + +#define SIX_BYTE_CMD 0x06 +#define TWELVE_BYTE_CMD 0x0C + +#define ASYNC 0x00 +#define MAX_OFFSET 0x0F /* Maxbyteoffset for Sync Xfers */ + +#define EEPROM_WD_CNT 256 + +#define EEPROM_CHECK_SUM 0 +#define FW_SIGNATURE 2 +#define MODEL_NUMB_0 4 +#define MODEL_NUMB_2 6 +#define MODEL_NUMB_4 8 +#define SYSTEM_CONFIG 16 +#define SCSI_CONFIG 17 +#define BIOS_CONFIG 18 +#define SCAM_CONFIG 20 +#define ADAPTER_SCSI_ID 24 + +#define IGNORE_B_SCAN 32 +#define SEND_START_ENA 34 +#define DEVICE_ENABLE 36 + +#define SYNC_RATE_TBL 38 +#define SYNC_RATE_TBL01 38 +#define SYNC_RATE_TBL23 40 +#define SYNC_RATE_TBL45 42 +#define SYNC_RATE_TBL67 44 +#define SYNC_RATE_TBL89 46 +#define SYNC_RATE_TBLab 48 +#define SYNC_RATE_TBLcd 50 +#define SYNC_RATE_TBLef 52 + +#define EE_SCAMBASE 256 + +#define SCAM_ENABLED BIT(2) +#define SCAM_LEVEL2 BIT(3) + +#define RENEGO_ENA BIT(10) +#define CONNIO_ENA BIT(11) +#define GREEN_PC_ENA BIT(12) + +#define AUTO_RATE_00 00 +#define AUTO_RATE_05 01 +#define AUTO_RATE_10 02 +#define AUTO_RATE_20 03 + +#define WIDE_NEGO_BIT BIT(7) +#define DISC_ENABLE_BIT BIT(6) + +#define hp_vendor_id_0 0x00 /* LSB */ +#define ORION_VEND_0 0x4B + +#define hp_vendor_id_1 0x01 /* MSB */ +#define ORION_VEND_1 0x10 + +#define hp_device_id_0 0x02 /* LSB */ +#define ORION_DEV_0 0x30 + +#define hp_device_id_1 0x03 /* MSB */ +#define ORION_DEV_1 0x81 + + /* Sub Vendor ID and Sub Device ID only available in + Harpoon Version 2 and higher */ + +#define hp_sub_device_id_0 0x06 /* LSB */ + +#define hp_semaphore 0x0C +#define SCCB_MGR_ACTIVE BIT(0) +#define TICKLE_ME BIT(1) +#define SCCB_MGR_PRESENT BIT(3) +#define BIOS_IN_USE BIT(4) + +#define hp_sys_ctrl 0x0F + +#define STOP_CLK BIT(0) /*Turn off BusMaster Clock */ +#define DRVR_RST BIT(1) /*Firmware Reset to 80C15 chip */ +#define HALT_MACH BIT(3) /*Halt State Machine */ +#define HARD_ABORT BIT(4) /*Hard Abort */ + +#define hp_host_blk_cnt 0x13 + +#define XFER_BLK64 0x06 /* 1 1 0 64 byte per block */ + +#define BM_THRESHOLD 0x40 /* PCI mode can only xfer 16 bytes */ + +#define hp_int_mask 0x17 + +#define INT_CMD_COMPL BIT(0) /* DMA command complete */ +#define INT_EXT_STATUS BIT(1) /* Extended Status Set */ + +#define hp_xfer_cnt_lo 0x18 +#define hp_xfer_cnt_hi 0x1A +#define hp_xfer_cmd 0x1B + +#define XFER_HOST_DMA 0x00 /* 0 0 0 Transfer Host -> DMA */ +#define XFER_DMA_HOST 0x01 /* 0 0 1 Transfer DMA -> Host */ + +#define XFER_HOST_AUTO 0x00 /* 0 0 Auto Transfer Size */ + +#define XFER_DMA_8BIT 0x20 /* 0 1 8 BIT Transfer Size */ + +#define DISABLE_INT BIT(7) /*Do not interrupt at end of cmd. */ + +#define HOST_WRT_CMD ((DISABLE_INT + XFER_HOST_DMA + XFER_HOST_AUTO + XFER_DMA_8BIT)) +#define HOST_RD_CMD ((DISABLE_INT + XFER_DMA_HOST + XFER_HOST_AUTO + XFER_DMA_8BIT)) + +#define hp_host_addr_lo 0x1C +#define hp_host_addr_hmi 0x1E + +#define hp_ee_ctrl 0x22 + +#define EXT_ARB_ACK BIT(7) +#define SCSI_TERM_ENA_H BIT(6) /* SCSI high byte terminator */ +#define SEE_MS BIT(5) +#define SEE_CS BIT(3) +#define SEE_CLK BIT(2) +#define SEE_DO BIT(1) +#define SEE_DI BIT(0) + +#define EE_READ 0x06 +#define EE_WRITE 0x05 +#define EWEN 0x04 +#define EWEN_ADDR 0x03C0 +#define EWDS 0x04 +#define EWDS_ADDR 0x0000 + +#define hp_bm_ctrl 0x26 + +#define SCSI_TERM_ENA_L BIT(0) /*Enable/Disable external terminators */ +#define FLUSH_XFER_CNTR BIT(1) /*Flush transfer counter */ +#define FORCE1_XFER BIT(5) /*Always xfer one byte in byte mode */ +#define FAST_SINGLE BIT(6) /*?? */ + +#define BMCTRL_DEFAULT (FORCE1_XFER|FAST_SINGLE|SCSI_TERM_ENA_L) + +#define hp_sg_addr 0x28 +#define hp_page_ctrl 0x29 + +#define SCATTER_EN BIT(0) +#define SGRAM_ARAM BIT(1) +#define G_INT_DISABLE BIT(3) /* Enable/Disable all Interrupts */ +#define NARROW_SCSI_CARD BIT(4) /* NARROW/WIDE SCSI config pin */ + +#define hp_pci_stat_cfg 0x2D + +#define REC_MASTER_ABORT BIT(5) /*received Master abort */ + +#define hp_rev_num 0x33 + +#define hp_stack_data 0x34 +#define hp_stack_addr 0x35 + +#define hp_ext_status 0x36 + +#define BM_FORCE_OFF BIT(0) /*Bus Master is forced to get off */ +#define PCI_TGT_ABORT BIT(0) /*PCI bus master transaction aborted */ +#define PCI_DEV_TMOUT BIT(1) /*PCI Device Time out */ +#define CMD_ABORTED BIT(4) /*Command aborted */ +#define BM_PARITY_ERR BIT(5) /*parity error on data received */ +#define PIO_OVERRUN BIT(6) /*Slave data overrun */ +#define BM_CMD_BUSY BIT(7) /*Bus master transfer command busy */ +#define BAD_EXT_STATUS (BM_FORCE_OFF | PCI_DEV_TMOUT | CMD_ABORTED | \ + BM_PARITY_ERR | PIO_OVERRUN) + +#define hp_int_status 0x37 + +#define EXT_STATUS_ON BIT(1) /*Extended status is valid */ +#define SCSI_INTERRUPT BIT(2) /*Global indication of a SCSI int. */ +#define INT_ASSERTED BIT(5) /* */ + +#define hp_fifo_cnt 0x38 + +#define hp_intena 0x40 + +#define RESET BIT(7) +#define PROG_HLT BIT(6) +#define PARITY BIT(5) +#define FIFO BIT(4) +#define SEL BIT(3) +#define SCAM_SEL BIT(2) +#define RSEL BIT(1) +#define TIMEOUT BIT(0) +#define BUS_FREE BIT(15) +#define XFER_CNT_0 BIT(14) +#define PHASE BIT(13) +#define IUNKWN BIT(12) +#define ICMD_COMP BIT(11) +#define ITICKLE BIT(10) +#define IDO_STRT BIT(9) +#define ITAR_DISC BIT(8) +#define AUTO_INT (BIT(12)+BIT(11)+BIT(10)+BIT(9)+BIT(8)) +#define CLR_ALL_INT 0xFFFF +#define CLR_ALL_INT_1 0xFF00 + +#define hp_intstat 0x42 + +#define hp_scsisig 0x44 + +#define SCSI_SEL BIT(7) +#define SCSI_BSY BIT(6) +#define SCSI_REQ BIT(5) +#define SCSI_ACK BIT(4) +#define SCSI_ATN BIT(3) +#define SCSI_CD BIT(2) +#define SCSI_MSG BIT(1) +#define SCSI_IOBIT BIT(0) + +#define S_SCSI_PHZ (BIT(2)+BIT(1)+BIT(0)) +#define S_MSGO_PH (BIT(2)+BIT(1) ) +#define S_MSGI_PH (BIT(2)+BIT(1)+BIT(0)) +#define S_DATAI_PH ( BIT(0)) +#define S_DATAO_PH 0x00 +#define S_ILL_PH ( BIT(1) ) + +#define hp_scsictrl_0 0x45 + +#define SEL_TAR BIT(6) +#define ENA_ATN BIT(4) +#define ENA_RESEL BIT(2) +#define SCSI_RST BIT(1) +#define ENA_SCAM_SEL BIT(0) + +#define hp_portctrl_0 0x46 + +#define SCSI_PORT BIT(7) +#define SCSI_INBIT BIT(6) +#define DMA_PORT BIT(5) +#define DMA_RD BIT(4) +#define HOST_PORT BIT(3) +#define HOST_WRT BIT(2) +#define SCSI_BUS_EN BIT(1) +#define START_TO BIT(0) + +#define hp_scsireset 0x47 + +#define SCSI_INI BIT(6) +#define SCAM_EN BIT(5) +#define DMA_RESET BIT(3) +#define HPSCSI_RESET BIT(2) +#define PROG_RESET BIT(1) +#define FIFO_CLR BIT(0) + +#define hp_xfercnt_0 0x48 +#define hp_xfercnt_2 0x4A + +#define hp_fifodata_0 0x4C +#define hp_addstat 0x4E + +#define SCAM_TIMER BIT(7) +#define SCSI_MODE8 BIT(3) +#define SCSI_PAR_ERR BIT(0) + +#define hp_prgmcnt_0 0x4F + +#define hp_selfid_0 0x50 +#define hp_selfid_1 0x51 +#define hp_arb_id 0x52 + +#define hp_select_id 0x53 + +#define hp_synctarg_base 0x54 +#define hp_synctarg_12 0x54 +#define hp_synctarg_13 0x55 +#define hp_synctarg_14 0x56 +#define hp_synctarg_15 0x57 + +#define hp_synctarg_8 0x58 +#define hp_synctarg_9 0x59 +#define hp_synctarg_10 0x5A +#define hp_synctarg_11 0x5B + +#define hp_synctarg_4 0x5C +#define hp_synctarg_5 0x5D +#define hp_synctarg_6 0x5E +#define hp_synctarg_7 0x5F + +#define hp_synctarg_0 0x60 +#define hp_synctarg_1 0x61 +#define hp_synctarg_2 0x62 +#define hp_synctarg_3 0x63 + +#define NARROW_SCSI BIT(4) +#define DEFAULT_OFFSET 0x0F + +#define hp_autostart_0 0x64 +#define hp_autostart_1 0x65 +#define hp_autostart_3 0x67 + +#define AUTO_IMMED BIT(5) +#define SELECT BIT(6) +#define END_DATA (BIT(7)+BIT(6)) + +#define hp_gp_reg_0 0x68 +#define hp_gp_reg_1 0x69 +#define hp_gp_reg_3 0x6B + +#define hp_seltimeout 0x6C + +#define TO_4ms 0x67 /* 3.9959ms */ + +#define TO_5ms 0x03 /* 4.9152ms */ +#define TO_10ms 0x07 /* 11.xxxms */ +#define TO_250ms 0x99 /* 250.68ms */ +#define TO_290ms 0xB1 /* 289.99ms */ + +#define hp_clkctrl_0 0x6D + +#define PWR_DWN BIT(6) +#define ACTdeassert BIT(4) +#define CLK_40MHZ (BIT(1) + BIT(0)) + +#define CLKCTRL_DEFAULT (ACTdeassert | CLK_40MHZ) + +#define hp_fiforead 0x6E +#define hp_fifowrite 0x6F + +#define hp_offsetctr 0x70 +#define hp_xferstat 0x71 + +#define FIFO_EMPTY BIT(6) + +#define hp_portctrl_1 0x72 + +#define CHK_SCSI_P BIT(3) +#define HOST_MODE8 BIT(0) + +#define hp_xfer_pad 0x73 + +#define ID_UNLOCK BIT(3) + +#define hp_scsidata_0 0x74 +#define hp_scsidata_1 0x75 + +#define hp_aramBase 0x80 +#define BIOS_DATA_OFFSET 0x60 +#define BIOS_RELATIVE_CARD 0x64 + +#define AR3 (BIT(9) + BIT(8)) +#define SDATA BIT(10) + +#define CRD_OP BIT(11) /* Cmp Reg. w/ Data */ + +#define CRR_OP BIT(12) /* Cmp Reg. w. Reg. */ + +#define CPE_OP (BIT(14)+BIT(11)) /* Cmp SCSI phs & Branch EQ */ + +#define CPN_OP (BIT(14)+BIT(12)) /* Cmp SCSI phs & Branch NOT EQ */ + +#define ADATA_OUT 0x00 +#define ADATA_IN BIT(8) +#define ACOMMAND BIT(10) +#define ASTATUS (BIT(10)+BIT(8)) +#define AMSG_OUT (BIT(10)+BIT(9)) +#define AMSG_IN (BIT(10)+BIT(9)+BIT(8)) + +#define BRH_OP BIT(13) /* Branch */ + +#define ALWAYS 0x00 +#define EQUAL BIT(8) +#define NOT_EQ BIT(9) + +#define TCB_OP (BIT(13)+BIT(11)) /* Test condition & branch */ + +#define FIFO_0 BIT(10) + +#define MPM_OP BIT(15) /* Match phase and move data */ + +#define MRR_OP BIT(14) /* Move DReg. to Reg. */ + +#define S_IDREG (BIT(2)+BIT(1)+BIT(0)) + +#define D_AR0 0x00 +#define D_AR1 BIT(0) +#define D_BUCKET (BIT(2) + BIT(1) + BIT(0)) + +#define RAT_OP (BIT(14)+BIT(13)+BIT(11)) + +#define SSI_OP (BIT(15)+BIT(11)) + +#define SSI_ITAR_DISC (ITAR_DISC >> 8) +#define SSI_IDO_STRT (IDO_STRT >> 8) + +#define SSI_ICMD_COMP (ICMD_COMP >> 8) +#define SSI_ITICKLE (ITICKLE >> 8) + +#define SSI_IUNKWN (IUNKWN >> 8) +#define SSI_INO_CC (IUNKWN >> 8) +#define SSI_IRFAIL (IUNKWN >> 8) + +#define NP 0x10 /*Next Phase */ +#define NTCMD 0x02 /*Non- Tagged Command start */ +#define CMDPZ 0x04 /*Command phase */ +#define DINT 0x12 /*Data Out/In interrupt */ +#define DI 0x13 /*Data Out */ +#define DC 0x19 /*Disconnect Message */ +#define ST 0x1D /*Status Phase */ +#define UNKNWN 0x24 /*Unknown bus action */ +#define CC 0x25 /*Command Completion failure */ +#define TICK 0x26 /*New target reselected us. */ +#define SELCHK 0x28 /*Select & Check SCSI ID latch reg */ + +#define ID_MSG_STRT hp_aramBase + 0x00 +#define NON_TAG_ID_MSG hp_aramBase + 0x06 +#define CMD_STRT hp_aramBase + 0x08 +#define SYNC_MSGS hp_aramBase + 0x08 + +#define TAG_STRT 0x00 +#define DISCONNECT_START 0x10/2 +#define END_DATA_START 0x14/2 +#define CMD_ONLY_STRT CMDPZ/2 +#define SELCHK_STRT SELCHK/2 + +#define GET_XFER_CNT(port, xfercnt) {RD_HARP32(port,hp_xfercnt_0,xfercnt); xfercnt &= 0xFFFFFF;} +/* #define GET_XFER_CNT(port, xfercnt) (xfercnt = RD_HARPOON(port+hp_xfercnt_2), \ + xfercnt <<= 16,\ + xfercnt |= RDW_HARPOON((unsigned short)(port+hp_xfercnt_0))) + */ +#define HP_SETUP_ADDR_CNT(port,addr,count) (WRW_HARPOON((port+hp_host_addr_lo), (unsigned short)(addr & 0x0000FFFFL)),\ + addr >>= 16,\ + WRW_HARPOON((port+hp_host_addr_hmi), (unsigned short)(addr & 0x0000FFFFL)),\ + WR_HARP32(port,hp_xfercnt_0,count),\ + WRW_HARPOON((port+hp_xfer_cnt_lo), (unsigned short)(count & 0x0000FFFFL)),\ + count >>= 16,\ + WR_HARPOON(port+hp_xfer_cnt_hi, (count & 0xFF))) + +#define ACCEPT_MSG(port) {while(RD_HARPOON(port+hp_scsisig) & SCSI_REQ){}\ + WR_HARPOON(port+hp_scsisig, S_ILL_PH);} + +#define ACCEPT_MSG_ATN(port) {while(RD_HARPOON(port+hp_scsisig) & SCSI_REQ){}\ + WR_HARPOON(port+hp_scsisig, (S_ILL_PH|SCSI_ATN));} + +#define DISABLE_AUTO(port) (WR_HARPOON(port+hp_scsireset, PROG_RESET),\ + WR_HARPOON(port+hp_scsireset, 0x00)) + +#define ARAM_ACCESS(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \ + (RD_HARPOON(p_port+hp_page_ctrl) | SGRAM_ARAM))) + +#define SGRAM_ACCESS(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \ + (RD_HARPOON(p_port+hp_page_ctrl) & ~SGRAM_ARAM))) + +#define MDISABLE_INT(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \ + (RD_HARPOON(p_port+hp_page_ctrl) | G_INT_DISABLE))) + +#define MENABLE_INT(p_port) (WR_HARPOON(p_port+hp_page_ctrl, \ + (RD_HARPOON(p_port+hp_page_ctrl) & ~G_INT_DISABLE))) + +static unsigned char FPT_sisyncn(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; /* Fall through */ + case AUTO_RATE_10: /* Synchronous, 10 mega-transfers/second */ + temp5 |= 0x8000; /* Fall through */ + case AUTO_RATE_05: /* Synchronous, 5 mega-transfers/second */ + temp2 |= 0x8000; /* Fall through */ + case AUTO_RATE_00: /* Asynchronous */ + break; + } + + if (temp & DISC_ENABLE_BIT) + temp3 |= 0x8000; + + if (temp & WIDE_NEGO_BIT) + temp4 |= 0x8000; + + } + } + + pCardInfo->si_per_targ_init_sync = temp2; + pCardInfo->si_per_targ_no_disc = temp3; + pCardInfo->si_per_targ_wide_nego = temp4; + pCardInfo->si_per_targ_fast_nego = temp5; + pCardInfo->si_per_targ_ultra_nego = temp6; + + if (pCurrNvRam) + i = pCurrNvRam->niSysConf; + else + i = (unsigned + char)(FPT_utilEERead(ioport, (SYSTEM_CONFIG / 2))); + + if (pCurrNvRam) + ScamFlg = pCurrNvRam->niScamConf; + else + ScamFlg = + (unsigned char)FPT_utilEERead(ioport, SCAM_CONFIG / 2); + + pCardInfo->si_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; + unsigned char TID; + struct sccb *pSaveSCCB; + struct sccb_mgr_tar_info *currTar_Info; + + ioport = ((struct sccb_card *)pCurrCard)->ioPort; + + thisCard = ((struct sccb_card *)pCurrCard)->cardIndex; + + if (!(RD_HARPOON(ioport + hp_page_ctrl) & G_INT_DISABLE)) { + + if (FPT_queueFindSccb(p_Sccb, thisCard)) { + + ((struct sccb_card *)pCurrCard)->cmdCounter--; + + if (!((struct sccb_card *)pCurrCard)->cmdCounter) + WR_HARPOON(ioport + hp_semaphore, + (RD_HARPOON(ioport + hp_semaphore) + & (unsigned + char)(~(SCCB_MGR_ACTIVE | + TICKLE_ME)))); + + p_Sccb->SccbStatus = SCCB_ABORT; + callback = p_Sccb->SccbCallback; + callback(p_Sccb); + + return 0; + } + + else { + if (((struct sccb_card *)pCurrCard)->currentSCCB == + p_Sccb) { + p_Sccb->SccbStatus = SCCB_ABORT; + return 0; + + } + + else { + + TID = p_Sccb->TargID; + + if (p_Sccb->Sccb_tag) { + MDISABLE_INT(ioport); + if (((struct sccb_card *)pCurrCard)-> + discQ_Tbl[p_Sccb->Sccb_tag] == + p_Sccb) { + p_Sccb->SccbStatus = SCCB_ABORT; + p_Sccb->Sccb_scsistat = + ABORT_ST; + p_Sccb->Sccb_scsimsg = + SMABORT_TAG; + + if (((struct sccb_card *) + pCurrCard)->currentSCCB == + NULL) { + ((struct sccb_card *) + pCurrCard)-> + currentSCCB = p_Sccb; + FPT_ssel(ioport, + thisCard); + } else { + pSaveSCCB = + ((struct sccb_card + *)pCurrCard)-> + currentSCCB; + ((struct sccb_card *) + pCurrCard)-> + currentSCCB = p_Sccb; + FPT_queueSelectFail((struct sccb_card *)pCurrCard, thisCard); + ((struct sccb_card *) + pCurrCard)-> + currentSCCB = pSaveSCCB; + } + } + MENABLE_INT(ioport); + return 0; + } else { + currTar_Info = + &FPT_sccbMgrTbl[thisCard][p_Sccb-> + TargID]; + + if (FPT_BL_Card[thisCard]. + discQ_Tbl[currTar_Info-> + LunDiscQ_Idx[p_Sccb->Lun]] + == p_Sccb) { + p_Sccb->SccbStatus = SCCB_ABORT; + return 0; + } + } + } + } + } + return -1; +} + +/*--------------------------------------------------------------------- + * + * Function: FlashPoint_InterruptPending + * + * Description: Do a quick check to determine if there is a pending + * interrupt for this card and disable the IRQ Pin if so. + * + *---------------------------------------------------------------------*/ +static unsigned char FlashPoint_InterruptPending(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, bm_int_st; + 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 ((bm_int_st = RD_HARPOON(ioport + hp_int_status)) & EXT_STATUS_ON) + bm_status = RD_HARPOON(ioport + hp_ext_status) & + (unsigned char)BAD_EXT_STATUS; + else + bm_status = 0; + + WR_HARPOON(ioport + hp_int_mask, (INT_CMD_COMPL | SCSI_INTERRUPT)); + + while ((hp_int = RDW_HARPOON((ioport + hp_intstat)) & + FPT_default_intena) | bm_status) { + + currSCCB = 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) == + SMSAVE_DATA_PTR) { + + WR_HARPOON(ioport + hp_gp_reg_1, 0x00); + currSCCB->Sccb_XferState |= F_NO_DATA_YET; + + currSCCB->Sccb_savedATC = currSCCB->Sccb_ATC; + } + + currSCCB->Sccb_scsistat = DISCONNECT_ST; + FPT_queueDisconnect(currSCCB, thisCard); + + /* Wait for the BusFree before starting a new command. We + must also check for being reselected since the BusFree + may not show up if another device reselects us in 1.5us or + less. SRR Wednesday, 3/8/1995. + */ + while (! + (RDW_HARPOON((ioport + hp_intstat)) & + (BUS_FREE | RSEL)) + && !((RDW_HARPOON((ioport + hp_intstat)) & PHASE) + && RD_HARPOON((ioport + hp_scsisig)) == + (SCSI_BSY | SCSI_REQ | SCSI_CD | SCSI_MSG | + SCSI_IOBIT))) ; + + /* + The additional loop exit condition above detects a timing problem + with the revision D/E harpoon chips. The caller should reset the + host adapter to recover when 0xFE is returned. + */ + if (! + (RDW_HARPOON((ioport + hp_intstat)) & + (BUS_FREE | RSEL))) { + MENABLE_INT(ioport); + return 0xFE; + } + + WRW_HARPOON((ioport + hp_intstat), + (BUS_FREE | ITAR_DISC)); + + 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) == + SMSAVE_DATA_PTR) { + WR_HARPOON(ioport + hp_gp_reg_1, 0x00); + currSCCB->Sccb_XferState |= + F_NO_DATA_YET; + currSCCB->Sccb_savedATC = + currSCCB->Sccb_ATC; + } + + WRW_HARPOON((ioport + hp_intstat), + (BUS_FREE | ITAR_DISC)); + currSCCB->Sccb_scsistat = DISCONNECT_ST; + FPT_queueDisconnect(currSCCB, thisCard); + } + + FPT_sres(ioport, thisCard, 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 = SMPARITY; + } + message = 0x00; + do { + ACCEPT_MSG_ATN(port); + TimeOutLoop = 0; + while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) && + (TimeOutLoop++ < 20000)) { + } + if (TimeOutLoop > 20000) { + WRW_HARPOON((port + hp_intstat), PARITY); + return message; + } + if ((RD_HARPOON(port + hp_scsisig) & S_SCSI_PHZ) != + S_MSGI_PH) { + WRW_HARPOON((port + hp_intstat), PARITY); + return message; + } + WR_HARPOON(port + hp_portctrl_0, SCSI_PORT); + + RD_HARPOON(port + hp_scsidata_0); + + WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH)); + + } while (1); + + } + WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH)); + WR_HARPOON(port + hp_xferstat, 0); + WR_HARPOON(port + hp_fiforead, 0); + WR_HARPOON(port + hp_fifowrite, 0); + return message; +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_ssel + * + * Description: Load up automation and select target device. + * + *---------------------------------------------------------------------*/ + +static void FPT_ssel(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 = SMDEV_RESET; + + WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT)); + auto_loaded = 1; + currSCCB->Sccb_scsistat = SELECT_BDR_ST; + + if (currTar_Info->TarEEValue & EE_SYNC_MASK) { + currTar_Info->TarSyncCtrl = 0; + currTar_Info->TarStatus &= ~TAR_SYNC_MASK; + } + + if (currTar_Info->TarEEValue & EE_WIDE_SCSI) { + currTar_Info->TarStatus &= ~TAR_WIDE_MASK; + } + + FPT_sssyncv(port, target, NARROW_SCSI, currTar_Info); + FPT_SccbMgrTableInitTarget(p_card, target); + + } + + else if (currSCCB->Sccb_scsistat == ABORT_ST) { + WRW_HARPOON((port + ID_MSG_STRT), (MPM_OP + AMSG_OUT + + (currSCCB-> + Sccb_idmsg & ~DISC_PRIV))); + + WRW_HARPOON((port + ID_MSG_STRT + 2), BRH_OP + ALWAYS + CMDPZ); + + WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT + + (((unsigned + char)(currSCCB-> + ControlByte & + TAG_TYPE_MASK) + >> 6) | (unsigned char) + 0x20))); + WRW_HARPOON((port + SYNC_MSGS + 2), + (MPM_OP + AMSG_OUT + currSCCB->Sccb_tag)); + WRW_HARPOON((port + SYNC_MSGS + 4), (BRH_OP + ALWAYS + NP)); + + WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT)); + auto_loaded = 1; + + } + + else if (!(currTar_Info->TarStatus & WIDE_NEGOCIATED)) { + auto_loaded = FPT_siwidn(port, p_card); + currSCCB->Sccb_scsistat = SELECT_WN_ST; + } + + else if (!((currTar_Info->TarStatus & TAR_SYNC_MASK) + == SYNC_SUPPORTED)) { + auto_loaded = FPT_sisyncn(port, p_card, 0); + currSCCB->Sccb_scsistat = SELECT_SN_ST; + } + + if (!auto_loaded) { + + if (currSCCB->ControlByte & F_USE_CMD_Q) { + + CurrCard->globalFlags |= F_TAG_STARTED; + + if ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) + == TAG_Q_REJECT) { + currSCCB->ControlByte &= ~F_USE_CMD_Q; + + /* Fix up the start instruction with a jump to + Non-Tag-CMD handling */ + WRW_HARPOON((port + ID_MSG_STRT), + BRH_OP + ALWAYS + NTCMD); + + WRW_HARPOON((port + NON_TAG_ID_MSG), + (MPM_OP + AMSG_OUT + + currSCCB->Sccb_idmsg)); + + WR_HARPOON(port + hp_autostart_3, + (SELECT + SELCHK_STRT)); + + /* Setup our STATE so we know what 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, SMPARITY); + } else { + FPT_SendMsg(port, SMDEV_RESET); + + FPT_sssyncv(port, our_target, NARROW_SCSI, + currTar_Info); + + if (FPT_sccbMgrTbl[p_card][our_target]. + TarEEValue & EE_SYNC_MASK) { + + FPT_sccbMgrTbl[p_card][our_target]. + TarStatus &= ~TAR_SYNC_MASK; + + } + + if (FPT_sccbMgrTbl[p_card][our_target]. + TarEEValue & EE_WIDE_SCSI) { + + FPT_sccbMgrTbl[p_card][our_target]. + TarStatus &= ~TAR_WIDE_MASK; + } + + FPT_queueFlushTargSccb(p_card, our_target, + SCCB_COMPLETE); + FPT_SccbMgrTableInitTarget(p_card, our_target); + return; + } + } + } while (message == 0); + + if (((pCurrCard->globalFlags & F_CONLUN_IO) && + ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) { + currTar_Info->TarLUNBusy[lun] = 1; + pCurrCard->currentSCCB = + pCurrCard->discQ_Tbl[currTar_Info->LunDiscQ_Idx[lun]]; + if (pCurrCard->currentSCCB != NULL) { + ACCEPT_MSG(port); + } else { + ACCEPT_MSG_ATN(port); + } + } else { + currTar_Info->TarLUNBusy[0] = 1; + + if (tag) { + if (pCurrCard->discQ_Tbl[tag] != NULL) { + pCurrCard->currentSCCB = + pCurrCard->discQ_Tbl[tag]; + currTar_Info->TarTagQ_Cnt--; + ACCEPT_MSG(port); + } else { + ACCEPT_MSG_ATN(port); + } + } else { + pCurrCard->currentSCCB = + pCurrCard->discQ_Tbl[currTar_Info->LunDiscQ_Idx[0]]; + if (pCurrCard->currentSCCB != NULL) { + ACCEPT_MSG(port); + } else { + ACCEPT_MSG_ATN(port); + } + } + } + + if (pCurrCard->currentSCCB != NULL) { + if (pCurrCard->currentSCCB->Sccb_scsistat == ABORT_ST) { + /* During Abort Tag command, the target could have got re-selected + and completed the command. Check the select Q and remove the CCB + if it is in the Select Q */ + FPT_queueFindSccb(pCurrCard->currentSCCB, p_card); + } + } + + while (!(RDW_HARPOON((port + hp_intstat)) & (PHASE | RESET)) && + !(RD_HARPOON(port + hp_scsisig) & SCSI_REQ) && + (RD_HARPOON(port + hp_scsisig) & SCSI_BSY)) ; +} + +static void FPT_SendMsg(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 == SMABORT) || (message == SMDEV_RESET) || + (message == SMABORT_TAG)) { + while (! + (RDW_HARPOON((port + hp_intstat)) & + (BUS_FREE | PHASE))) { + } + + if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) { + WRW_HARPOON((port + hp_intstat), BUS_FREE); + } + } + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_sdecm + * + * Description: Determine the proper 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 == SMREST_DATA_PTR) { + if (!(currSCCB->Sccb_XferState & F_NO_DATA_YET)) { + currSCCB->Sccb_ATC = currSCCB->Sccb_savedATC; + + FPT_hostDataXferRestart(currSCCB); + } + + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + + else if (message == SMCMD_COMP) { + + if (currSCCB->Sccb_scsistat == SELECT_Q_ST) { + currTar_Info->TarStatus &= + ~(unsigned char)TAR_TAG_Q_MASK; + currTar_Info->TarStatus |= (unsigned char)TAG_Q_REJECT; + } + + ACCEPT_MSG(port); + + } + + else if ((message == SMNO_OP) || (message >= SMIDENT) + || (message == SMINIT_RECOVERY) || (message == SMREL_RECOVERY)) { + + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + + else if (message == SMREJECT) { + + if ((currSCCB->Sccb_scsistat == SELECT_SN_ST) || + (currSCCB->Sccb_scsistat == SELECT_WN_ST) || + ((currTar_Info->TarStatus & TAR_SYNC_MASK) == SYNC_TRYING) + || ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) == + TAG_Q_TRYING)) + { + WRW_HARPOON((port + hp_intstat), BUS_FREE); + + ACCEPT_MSG(port); + + while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) && + (!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE))) + { + } + + if (currSCCB->Lun == 0x00) { + if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) { + + currTar_Info->TarStatus |= + (unsigned char)SYNC_SUPPORTED; + + currTar_Info->TarEEValue &= + ~EE_SYNC_MASK; + } + + else if ((currSCCB->Sccb_scsistat == + SELECT_WN_ST)) { + + currTar_Info->TarStatus = + (currTar_Info-> + TarStatus & ~WIDE_ENABLED) | + WIDE_NEGOCIATED; + + currTar_Info->TarEEValue &= + ~EE_WIDE_SCSI; + + } + + else if ((currTar_Info-> + TarStatus & TAR_TAG_Q_MASK) == + TAG_Q_TRYING) { + currTar_Info->TarStatus = + (currTar_Info-> + TarStatus & ~(unsigned char) + TAR_TAG_Q_MASK) | TAG_Q_REJECT; + + currSCCB->ControlByte &= ~F_USE_CMD_Q; + CurrCard->discQCount--; + CurrCard->discQ_Tbl[currSCCB-> + Sccb_tag] = NULL; + currSCCB->Sccb_tag = 0x00; + + } + } + + if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) { + + if (currSCCB->Lun == 0x00) { + WRW_HARPOON((port + hp_intstat), + BUS_FREE); + CurrCard->globalFlags |= F_NEW_SCCB_CMD; + } + } + + else { + + if ((CurrCard->globalFlags & F_CONLUN_IO) && + ((currTar_Info-> + TarStatus & TAR_TAG_Q_MASK) != + TAG_Q_TRYING)) + currTar_Info->TarLUNBusy[currSCCB-> + Lun] = 1; + else + currTar_Info->TarLUNBusy[0] = 1; + + currSCCB->ControlByte &= + ~(unsigned char)F_USE_CMD_Q; + + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + + } + } + + else { + ACCEPT_MSG(port); + + while ((!(RD_HARPOON(port + hp_scsisig) & SCSI_REQ)) && + (!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE))) + { + } + + if (!(RDW_HARPOON((port + hp_intstat)) & BUS_FREE)) { + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + } + } + + else if (message == SMEXT) { + + ACCEPT_MSG(port); + FPT_shandem(port, p_card, currSCCB); + } + + else if (message == SMIGNORWR) { + + ACCEPT_MSG(port); /* ACK the RESIDUE MSG */ + + message = FPT_sfm(port, currSCCB); + + if (currSCCB->Sccb_scsimsg != SMPARITY) + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + + else { + + currSCCB->HostStatus = SCCB_PHASE_SEQUENCE_FAIL; + currSCCB->Sccb_scsimsg = SMREJECT; + + ACCEPT_MSG_ATN(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_shandem + * + * Description: Decide what to do with the extended message. + * + *---------------------------------------------------------------------*/ +static void FPT_shandem(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 == SMSYNC) { + + if (length == 0x03) { + + ACCEPT_MSG(port); + FPT_stsyncn(port, p_card); + } else { + + pCurrSCCB->Sccb_scsimsg = SMREJECT; + ACCEPT_MSG_ATN(port); + } + } else if (message == SMWDTR) { + + if (length == 0x02) { + + ACCEPT_MSG(port); + FPT_stwidn(port, p_card); + } else { + + pCurrSCCB->Sccb_scsimsg = SMREJECT; + ACCEPT_MSG_ATN(port); + + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + + DISCONNECT_START)); + } + } else { + + pCurrSCCB->Sccb_scsimsg = SMREJECT; + ACCEPT_MSG_ATN(port); + + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + } else { + if (pCurrSCCB->Sccb_scsimsg != SMPARITY) + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + } else { + if (pCurrSCCB->Sccb_scsimsg == SMPARITY) + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_sisyncn + * + * Description: Read in a message byte from the SCSI bus, and check + * for a parity error. + * + *---------------------------------------------------------------------*/ + +static unsigned char FPT_sisyncn(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 + SMEXT)); + WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03)); + WRW_HARPOON((port + SYNC_MSGS + 4), + (MPM_OP + AMSG_OUT + SMSYNC)); + + if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_20MB) + + WRW_HARPOON((port + SYNC_MSGS + 6), + (MPM_OP + AMSG_OUT + 12)); + + else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == + EE_SYNC_10MB) + + WRW_HARPOON((port + SYNC_MSGS + 6), + (MPM_OP + AMSG_OUT + 25)); + + else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == + EE_SYNC_5MB) + + WRW_HARPOON((port + SYNC_MSGS + 6), + (MPM_OP + AMSG_OUT + 50)); + + else + WRW_HARPOON((port + SYNC_MSGS + 6), + (MPM_OP + AMSG_OUT + 00)); + + WRW_HARPOON((port + SYNC_MSGS + 8), (RAT_OP)); + WRW_HARPOON((port + SYNC_MSGS + 10), + (MPM_OP + AMSG_OUT + DEFAULT_OFFSET)); + WRW_HARPOON((port + SYNC_MSGS + 12), (BRH_OP + ALWAYS + NP)); + + if (syncFlag == 0) { + WR_HARPOON(port + hp_autostart_3, + (SELECT + SELCHK_STRT)); + currTar_Info->TarStatus = + ((currTar_Info-> + TarStatus & ~(unsigned char)TAR_SYNC_MASK) | + (unsigned char)SYNC_TRYING); + } else { + WR_HARPOON(port + hp_autostart_3, + (AUTO_IMMED + CMD_ONLY_STRT)); + } + + return 1; + } + + else { + + currTar_Info->TarStatus |= (unsigned char)SYNC_SUPPORTED; + currTar_Info->TarEEValue &= ~EE_SYNC_MASK; + return 0; + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_stsyncn + * + * Description: The has sent us a Sync Nego message so handle it as + * necessary. + * + *---------------------------------------------------------------------*/ +static void FPT_stsyncn(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 == SMPARITY)) { + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + return; + } + + ACCEPT_MSG(port); + + offset = FPT_sfm(port, currSCCB); + + if ((offset == 0x00) && (currSCCB->Sccb_scsimsg == SMPARITY)) { + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + return; + } + + if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_20MB) + + our_sync_msg = 12; /* Setup our Message to 20mb/s */ + + else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_10MB) + + our_sync_msg = 25; /* Setup our Message to 10mb/s */ + + else if ((currTar_Info->TarEEValue & EE_SYNC_MASK) == EE_SYNC_5MB) + + our_sync_msg = 50; /* Setup our Message to 5mb/s */ + else + + our_sync_msg = 0; /* Message = Async */ + + if (sync_msg < our_sync_msg) { + sync_msg = our_sync_msg; /*if faster, then set to max. */ + } + + if (offset == ASYNC) + sync_msg = ASYNC; + + if (offset > MAX_OFFSET) + offset = MAX_OFFSET; + + sync_reg = 0x00; + + if (sync_msg > 12) + + sync_reg = 0x20; /* Use 10MB/s */ + + if (sync_msg > 25) + + sync_reg = 0x40; /* Use 6.6MB/s */ + + if (sync_msg > 38) + + sync_reg = 0x60; /* Use 5MB/s */ + + if (sync_msg > 50) + + sync_reg = 0x80; /* Use 4MB/s */ + + if (sync_msg > 62) + + sync_reg = 0xA0; /* Use 3.33MB/s */ + + if (sync_msg > 75) + + sync_reg = 0xC0; /* Use 2.85MB/s */ + + if (sync_msg > 87) + + sync_reg = 0xE0; /* Use 2.5MB/s */ + + if (sync_msg > 100) { + + sync_reg = 0x00; /* Use ASYNC */ + offset = 0x00; + } + + if (currTar_Info->TarStatus & WIDE_ENABLED) + + sync_reg |= offset; + + else + + sync_reg |= (offset | NARROW_SCSI); + + FPT_sssyncv(port, currSCCB->TargID, sync_reg, currTar_Info); + + if (currSCCB->Sccb_scsistat == SELECT_SN_ST) { + + ACCEPT_MSG(port); + + currTar_Info->TarStatus = ((currTar_Info->TarStatus & + ~(unsigned char)TAR_SYNC_MASK) | + (unsigned char)SYNC_SUPPORTED); + + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + + else { + + ACCEPT_MSG_ATN(port); + + FPT_sisyncr(port, sync_msg, offset); + + currTar_Info->TarStatus = ((currTar_Info->TarStatus & + ~(unsigned char)TAR_SYNC_MASK) | + (unsigned char)SYNC_SUPPORTED); + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_sisyncr + * + * Description: Answer the targets sync message. + * + *---------------------------------------------------------------------*/ +static void FPT_sisyncr(u32 port, unsigned char sync_pulse, + unsigned char offset) +{ + ARAM_ACCESS(port); + WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT + SMEXT)); + WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x03)); + WRW_HARPOON((port + SYNC_MSGS + 4), (MPM_OP + AMSG_OUT + SMSYNC)); + WRW_HARPOON((port + SYNC_MSGS + 6), (MPM_OP + AMSG_OUT + sync_pulse)); + WRW_HARPOON((port + SYNC_MSGS + 8), (RAT_OP)); + WRW_HARPOON((port + SYNC_MSGS + 10), (MPM_OP + AMSG_OUT + offset)); + WRW_HARPOON((port + SYNC_MSGS + 12), (BRH_OP + ALWAYS + NP)); + SGRAM_ACCESS(port); + + WR_HARPOON(port + hp_portctrl_0, SCSI_PORT); + WRW_HARPOON((port + hp_intstat), CLR_ALL_INT_1); + + WR_HARPOON(port + hp_autostart_3, (AUTO_IMMED + CMD_ONLY_STRT)); + + while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | AUTO_INT))) { + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_siwidn + * + * Description: Read in a message byte from the SCSI bus, and check + * for a parity error. + * + *---------------------------------------------------------------------*/ + +static unsigned char FPT_siwidn(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 + SMEXT)); + WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02)); + WRW_HARPOON((port + SYNC_MSGS + 4), + (MPM_OP + AMSG_OUT + SMWDTR)); + WRW_HARPOON((port + SYNC_MSGS + 6), (RAT_OP)); + WRW_HARPOON((port + SYNC_MSGS + 8), + (MPM_OP + AMSG_OUT + SM16BIT)); + WRW_HARPOON((port + SYNC_MSGS + 10), (BRH_OP + ALWAYS + NP)); + + WR_HARPOON(port + hp_autostart_3, (SELECT + SELCHK_STRT)); + + currTar_Info->TarStatus = ((currTar_Info->TarStatus & + ~(unsigned char)TAR_WIDE_MASK) | + (unsigned char)WIDE_ENABLED); + + return 1; + } + + else { + + currTar_Info->TarStatus = ((currTar_Info->TarStatus & + ~(unsigned char)TAR_WIDE_MASK) | + WIDE_NEGOCIATED); + + currTar_Info->TarEEValue &= ~EE_WIDE_SCSI; + return 0; + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_stwidn + * + * Description: The has sent us a Wide Nego message so handle it as + * necessary. + * + *---------------------------------------------------------------------*/ +static void FPT_stwidn(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 == SMPARITY)) { + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + return; + } + + if (!(currTar_Info->TarEEValue & EE_WIDE_SCSI)) + width = 0; + + if (width) { + currTar_Info->TarStatus |= WIDE_ENABLED; + width = 0; + } else { + width = NARROW_SCSI; + currTar_Info->TarStatus &= ~WIDE_ENABLED; + } + + FPT_sssyncv(port, currSCCB->TargID, width, currTar_Info); + + if (currSCCB->Sccb_scsistat == SELECT_WN_ST) { + + currTar_Info->TarStatus |= WIDE_NEGOCIATED; + + if (! + ((currTar_Info->TarStatus & TAR_SYNC_MASK) == + SYNC_SUPPORTED)) { + ACCEPT_MSG_ATN(port); + ARAM_ACCESS(port); + FPT_sisyncn(port, p_card, 1); + currSCCB->Sccb_scsistat = SELECT_SN_ST; + SGRAM_ACCESS(port); + } else { + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + } + + else { + + ACCEPT_MSG_ATN(port); + + if (currTar_Info->TarEEValue & EE_WIDE_SCSI) + width = SM16BIT; + else + width = SM8BIT; + + FPT_siwidr(port, width); + + currTar_Info->TarStatus |= (WIDE_NEGOCIATED | WIDE_ENABLED); + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_siwidr + * + * Description: Answer the targets Wide nego message. + * + *---------------------------------------------------------------------*/ +static void FPT_siwidr(u32 port, unsigned char width) +{ + ARAM_ACCESS(port); + WRW_HARPOON((port + SYNC_MSGS + 0), (MPM_OP + AMSG_OUT + SMEXT)); + WRW_HARPOON((port + SYNC_MSGS + 2), (MPM_OP + AMSG_OUT + 0x02)); + WRW_HARPOON((port + SYNC_MSGS + 4), (MPM_OP + AMSG_OUT + SMWDTR)); + WRW_HARPOON((port + SYNC_MSGS + 6), (RAT_OP)); + WRW_HARPOON((port + SYNC_MSGS + 8), (MPM_OP + AMSG_OUT + width)); + WRW_HARPOON((port + SYNC_MSGS + 10), (BRH_OP + ALWAYS + NP)); + SGRAM_ACCESS(port); + + WR_HARPOON(port + hp_portctrl_0, SCSI_PORT); + WRW_HARPOON((port + hp_intstat), CLR_ALL_INT_1); + + WR_HARPOON(port + hp_autostart_3, (AUTO_IMMED + CMD_ONLY_STRT)); + + while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | AUTO_INT))) { + } +} + +/*--------------------------------------------------------------------- + * + * Function: FPT_sssyncv + * + * Description: Write the desired value to the Sync Register for the + * ID specified. + * + *---------------------------------------------------------------------*/ +static void FPT_sssyncv(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] = SCSI_REQUEST_SENSE; + currSCCB->Cdb[1] = currSCCB->Cdb[1] & (unsigned char)0xE0; /*Keep LUN. */ + currSCCB->Cdb[2] = 0x00; + currSCCB->Cdb[3] = 0x00; + currSCCB->Cdb[4] = currSCCB->RequestSenseLength; + currSCCB->Cdb[5] = 0x00; + + currSCCB->Sccb_XferCnt = (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 = + (unsigned char)(SMIDENT | DISC_PRIV) | p_sccb->Lun; + } + + else { + + p_sccb->Sccb_idmsg = (unsigned char)SMIDENT | p_sccb->Lun; + } + + p_sccb->HostStatus = 0x00; + p_sccb->TargetStatus = 0x00; + p_sccb->Sccb_tag = 0x00; + p_sccb->Sccb_MGRFlags = 0x00; + p_sccb->Sccb_sgseg = 0x00; + p_sccb->Sccb_ATC = 0x00; + p_sccb->Sccb_savedATC = 0x00; +/* + p_sccb->SccbVirtDataPtr = 0x00; + p_sccb->Sccb_forwardlink = NULL; + p_sccb->Sccb_backlink = NULL; + */ + p_sccb->Sccb_scsistat = BUS_FREE_ST; + p_sccb->SccbStatus = SCCB_IN_PROCESS; + p_sccb->Sccb_scsimsg = SMNO_OP; + +} + +/*--------------------------------------------------------------------- + * + * Function: Phase Decode + * + * Description: Determine the phase and call the appropriate function. + * + *---------------------------------------------------------------------*/ + +static void FPT_phaseDecode(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 == SMDEV_RESET) { + + currTar_Info = &FPT_sccbMgrTbl[p_card][scsiID]; + currTar_Info->TarSyncCtrl = 0; + FPT_sssyncv(port, scsiID, NARROW_SCSI, currTar_Info); + + if (FPT_sccbMgrTbl[p_card][scsiID]. + TarEEValue & EE_SYNC_MASK) { + + FPT_sccbMgrTbl[p_card][scsiID].TarStatus &= + ~TAR_SYNC_MASK; + + } + + if (FPT_sccbMgrTbl[p_card][scsiID]. + TarEEValue & EE_WIDE_SCSI) { + + FPT_sccbMgrTbl[p_card][scsiID].TarStatus &= + ~TAR_WIDE_MASK; + } + + FPT_queueFlushSccb(p_card, SCCB_COMPLETE); + FPT_SccbMgrTableInitTarget(p_card, scsiID); + } else if (currSCCB->Sccb_scsistat == ABORT_ST) { + currSCCB->HostStatus = SCCB_COMPLETE; + if (FPT_BL_Card[p_card].discQ_Tbl[currSCCB->Sccb_tag] != + NULL) { + FPT_BL_Card[p_card].discQ_Tbl[currSCCB-> + Sccb_tag] = NULL; + FPT_sccbMgrTbl[p_card][scsiID].TarTagQ_Cnt--; + } + + } + + else if (currSCCB->Sccb_scsistat < COMMAND_ST) { + + if (message == SMNO_OP) { + currSCCB->Sccb_MGRFlags |= F_DEV_SELECTED; + + FPT_ssel(port, p_card); + return; + } + } else { + + if (message == SMABORT) + + FPT_queueFlushSccb(p_card, SCCB_COMPLETE); + } + + } else { + message = SMABORT; + } + + WRW_HARPOON((port + hp_intstat), (BUS_FREE | PHASE | XFER_CNT_0)); + + WR_HARPOON(port + hp_portctrl_0, SCSI_BUS_EN); + + WR_HARPOON(port + hp_scsidata_0, message); + + WR_HARPOON(port + hp_scsisig, (SCSI_ACK + S_ILL_PH)); + + ACCEPT_MSG(port); + + WR_HARPOON(port + hp_portctrl_0, 0x00); + + if ((message == SMABORT) || (message == SMDEV_RESET) || + (message == SMABORT_TAG)) { + + while (!(RDW_HARPOON((port + hp_intstat)) & (BUS_FREE | PHASE))) { + } + + if (RDW_HARPOON((port + hp_intstat)) & BUS_FREE) { + WRW_HARPOON((port + hp_intstat), BUS_FREE); + + if (currSCCB != NULL) { + + if ((FPT_BL_Card[p_card]. + globalFlags & F_CONLUN_IO) + && + ((FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != + TAG_Q_TRYING)) + FPT_sccbMgrTbl[p_card][currSCCB-> + TargID]. + TarLUNBusy[currSCCB->Lun] = 0; + else + FPT_sccbMgrTbl[p_card][currSCCB-> + TargID]. + TarLUNBusy[0] = 0; + + FPT_queueCmdComplete(&FPT_BL_Card[p_card], + currSCCB, p_card); + } + + else { + FPT_BL_Card[p_card].globalFlags |= + F_NEW_SCCB_CMD; + } + } + + else { + + FPT_sxfrp(port, p_card); + } + } + + else { + + if (message == SMPARITY) { + currSCCB->Sccb_scsimsg = SMNO_OP; + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } else { + FPT_sxfrp(port, p_card); + } + } +} + +/*--------------------------------------------------------------------- + * + * Function: Message In phase + * + * Description: Bring in the message and determine what to do with it. + * + *---------------------------------------------------------------------*/ + +static void FPT_phaseMsgIn(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 == SMDISC) || (message == SMSAVE_DATA_PTR)) { + + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + END_DATA_START)); + + } + + else { + + message = FPT_sfm(port, currSCCB); + if (message) { + + FPT_sdecm(message, port, p_card); + + } else { + if (currSCCB->Sccb_scsimsg != SMPARITY) + ACCEPT_MSG(port); + WR_HARPOON(port + hp_autostart_1, + (AUTO_IMMED + DISCONNECT_START)); + } + } + +} + +/*--------------------------------------------------------------------- + * + * Function: Illegal phase + * + * Description: Target switched to some illegal phase, so all we can do + * is report an error back to the host (if that is possible) + * and send an ABORT message to the misbehaving target. + * + *---------------------------------------------------------------------*/ + +static void FPT_phaseIllegal(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 = SMABORT; + } + + ACCEPT_MSG_ATN(port); +} + +/*--------------------------------------------------------------------- + * + * Function: Phase Check FIFO + * + * Description: Make sure data has been flushed from both FIFOs and abort + * the operations if necessary. + * + *---------------------------------------------------------------------*/ + +static void FPT_phaseChkFifo(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 defualt 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 != SSGOOD) { + + if (status_byte == SSQ_FULL) { + + if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) && + ((FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[currSCCB->Lun] = 1; + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card].discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[currSCCB->Lun]] = + NULL; + } else { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[0] = 1; + if (currSCCB->Sccb_tag) { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card].discQ_Tbl[currSCCB-> + Sccb_tag] + = NULL; + } else { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[0]] = NULL; + } + } + + currSCCB->Sccb_MGRFlags |= F_STATUSLOADED; + + FPT_queueSelectFail(&FPT_BL_Card[p_card], p_card); + + return; + } + + if (currSCCB->Sccb_scsistat == SELECT_SN_ST) { + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus |= + (unsigned char)SYNC_SUPPORTED; + + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &= + ~EE_SYNC_MASK; + FPT_BL_Card[p_card].globalFlags |= F_NEW_SCCB_CMD; + + if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) && + ((FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[currSCCB->Lun] = 1; + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card].discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[currSCCB->Lun]] = + NULL; + } else { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[0] = 1; + if (currSCCB->Sccb_tag) { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card].discQ_Tbl[currSCCB-> + Sccb_tag] + = NULL; + } else { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[0]] = NULL; + } + } + return; + + } + + if (currSCCB->Sccb_scsistat == SELECT_WN_ST) { + + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarStatus = + (FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & ~WIDE_ENABLED) | WIDE_NEGOCIATED; + + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarEEValue &= + ~EE_WIDE_SCSI; + FPT_BL_Card[p_card].globalFlags |= F_NEW_SCCB_CMD; + + if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) && + ((FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[currSCCB->Lun] = 1; + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card].discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[currSCCB->Lun]] = + NULL; + } else { + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUNBusy[0] = 1; + if (currSCCB->Sccb_tag) { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card].discQ_Tbl[currSCCB-> + Sccb_tag] + = NULL; + } else { + if (FPT_BL_Card[p_card].discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + LunDiscQ_Idx[0]] = NULL; + } + } + return; + + } + + if (status_byte == SSCHECK) { + if (FPT_BL_Card[p_card].globalFlags & F_DO_RENEGO) { + if (FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarEEValue & EE_SYNC_MASK) { + FPT_sccbMgrTbl[p_card][currSCCB-> + TargID]. + TarStatus &= ~TAR_SYNC_MASK; + } + if (FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarEEValue & EE_WIDE_SCSI) { + FPT_sccbMgrTbl[p_card][currSCCB-> + TargID]. + TarStatus &= ~TAR_WIDE_MASK; + } + } + } + + if (!(currSCCB->Sccb_XferState & F_AUTO_SENSE)) { + + currSCCB->SccbStatus = SCCB_ERROR; + currSCCB->TargetStatus = status_byte; + + if (status_byte == SSCHECK) { + + FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarLUN_CA = 1; + + if (currSCCB->RequestSenseLength != + NO_AUTO_REQUEST_SENSE) { + + if (currSCCB->RequestSenseLength == 0) + currSCCB->RequestSenseLength = + 14; + + FPT_ssenss(&FPT_BL_Card[p_card]); + FPT_BL_Card[p_card].globalFlags |= + F_NEW_SCCB_CMD; + + if (((FPT_BL_Card[p_card]. + globalFlags & F_CONLUN_IO) + && + ((FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != + TAG_Q_TRYING))) { + FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + TarLUNBusy[currSCCB->Lun] = + 1; + if (FPT_BL_Card[p_card]. + discQCount != 0) + FPT_BL_Card[p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[FPT_sccbMgrTbl + [p_card] + [currSCCB-> + TargID]. + LunDiscQ_Idx + [currSCCB->Lun]] = + NULL; + } else { + FPT_sccbMgrTbl[p_card] + [currSCCB->TargID]. + TarLUNBusy[0] = 1; + if (currSCCB->Sccb_tag) { + if (FPT_BL_Card[p_card]. + discQCount != 0) + FPT_BL_Card + [p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl[currSCCB-> + Sccb_tag] + = NULL; + } else { + if (FPT_BL_Card[p_card]. + discQCount != 0) + FPT_BL_Card + [p_card]. + discQCount--; + FPT_BL_Card[p_card]. + discQ_Tbl + [FPT_sccbMgrTbl + [p_card][currSCCB-> + TargID]. + LunDiscQ_Idx[0]] = + NULL; + } + } + return; + } + } + } + } + + if ((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) && + ((FPT_sccbMgrTbl[p_card][currSCCB->TargID]. + TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING)) + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarLUNBusy[currSCCB-> + Lun] = 0; + else + FPT_sccbMgrTbl[p_card][currSCCB->TargID].TarLUNBusy[0] = 0; + + FPT_queueCmdComplete(&FPT_BL_Card[p_card], currSCCB, p_card); +} + +#define SHORT_WAIT 0x0000000F +#define LONG_WAIT 0x0000FFFFL + +/*--------------------------------------------------------------------- + * + * Function: Data Transfer Processor + * + * Description: This routine performs two tasks. + * (1) Start data transfer by calling HOST_DATA_XFER_START + * function. Once data transfer is started, (2) Depends + * on the type of data transfer mode Scatter/Gather mode + * or NON Scatter/Gather mode. In NON Scatter/Gather mode, + * this routine checks Sccb_MGRFlag (F_HOST_XFER_ACT bit) for + * data transfer done. In Scatter/Gather mode, this routine + * checks bus master command complete and dual rank busy + * bit to keep chaining SC transfer command. Similarly, + * in Scatter/Gather mode, it checks Sccb_MGRFlag + * (F_HOST_XFER_ACT bit) for data transfer done. + * + *---------------------------------------------------------------------*/ + +static void FPT_dataXferProcessor(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 != SSCHECK)) + + if ((SCSIcmd == SCSI_READ) || + (SCSIcmd == SCSI_WRITE) || + (SCSIcmd == SCSI_READ_EXTENDED) || + (SCSIcmd == SCSI_WRITE_EXTENDED) || + (SCSIcmd == SCSI_WRITE_AND_VERIFY) || + (SCSIcmd == SCSI_START_STOP_UNIT) || + (pCurrCard->globalFlags & F_NO_FILTER) + ) + p_sccb->HostStatus = SCCB_DATA_UNDER_RUN; + } + + if (p_sccb->SccbStatus == SCCB_IN_PROCESS) { + if (p_sccb->HostStatus || p_sccb->TargetStatus) + p_sccb->SccbStatus = SCCB_ERROR; + else + p_sccb->SccbStatus = SCCB_SUCCESS; + } + + if (p_sccb->Sccb_XferState & F_AUTO_SENSE) { + + p_sccb->CdbLength = p_sccb->Save_CdbLen; + for (i = 0; i < 6; i++) { + p_sccb->Cdb[i] = p_sccb->Save_Cdb[i]; + } + } + + if ((p_sccb->OperationCode == RESIDUAL_SG_COMMAND) || + (p_sccb->OperationCode == RESIDUAL_COMMAND)) { + + FPT_utilUpdateResidual(p_sccb); + } + + pCurrCard->cmdCounter--; + if (!pCurrCard->cmdCounter) { + + if (pCurrCard->globalFlags & F_GREEN_PC) { + WR_HARPOON(pCurrCard->ioPort + hp_clkctrl_0, + (PWR_DWN | CLKCTRL_DEFAULT)); + WR_HARPOON(pCurrCard->ioPort + hp_sys_ctrl, STOP_CLK); + } + + WR_HARPOON(pCurrCard->ioPort + hp_semaphore, + (RD_HARPOON(pCurrCard->ioPort + hp_semaphore) & + ~SCCB_MGR_ACTIVE)); + + } + + if (pCurrCard->discQCount != 0) { + currTar_Info = &FPT_sccbMgrTbl[p_card][p_sccb->TargID]; + if (((pCurrCard->globalFlags & F_CONLUN_IO) && + ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != + TAG_Q_TRYING))) { + pCurrCard->discQCount--; + pCurrCard->discQ_Tbl[currTar_Info-> + LunDiscQ_Idx[p_sccb->Lun]] = NULL; + } else { + if (p_sccb->Sccb_tag) { + pCurrCard->discQCount--; + pCurrCard->discQ_Tbl[p_sccb->Sccb_tag] = NULL; + } else { + pCurrCard->discQCount--; + pCurrCard->discQ_Tbl[currTar_Info-> + LunDiscQ_Idx[0]] = NULL; + } + } + + } + + callback = (CALL_BK_FN) p_sccb->SccbCallback; + callback(p_sccb); + pCurrCard->globalFlags |= F_NEW_SCCB_CMD; + pCurrCard->currentSCCB = NULL; +} + +/*--------------------------------------------------------------------- + * + * Function: Queue Disconnect + * + * Description: Add SCCB to our disconnect array. + * + *---------------------------------------------------------------------*/ +static void FPT_queueDisconnect(struct sccb *p_sccb, unsigned char p_card) +{ + struct sccb_mgr_tar_info *currTar_Info; + + currTar_Info = &FPT_sccbMgrTbl[p_card][p_sccb->TargID]; + + if (((FPT_BL_Card[p_card].globalFlags & F_CONLUN_IO) && + ((currTar_Info->TarStatus & TAR_TAG_Q_MASK) != TAG_Q_TRYING))) { + FPT_BL_Card[p_card].discQ_Tbl[currTar_Info-> + LunDiscQ_Idx[p_sccb->Lun]] = + p_sccb; + } else { + if (p_sccb->Sccb_tag) { + FPT_BL_Card[p_card].discQ_Tbl[p_sccb->Sccb_tag] = + p_sccb; + FPT_sccbMgrTbl[p_card][p_sccb->TargID].TarLUNBusy[0] = + 0; + FPT_sccbMgrTbl[p_card][p_sccb->TargID].TarTagQ_Cnt++; + } else { + FPT_BL_Card[p_card].discQ_Tbl[currTar_Info-> + LunDiscQ_Idx[0]] = p_sccb; + } + } + FPT_BL_Card[p_card].currentSCCB = NULL; +} + +/*--------------------------------------------------------------------- + * + * Function: Queue Flush SCCB + * + * Description: Flush all SCCB's back to the host driver for this target. + * + *---------------------------------------------------------------------*/ + +static void FPT_queueFlushSccb(unsigned char p_card, unsigned char error_code) +{ + unsigned char qtag, thisTarg; + struct sccb *currSCCB; + struct sccb_mgr_tar_info *currTar_Info; + + currSCCB = FPT_BL_Card[p_card].currentSCCB; + if (currSCCB != NULL) { + thisTarg = (unsigned char)currSCCB->TargID; + currTar_Info = &FPT_sccbMgrTbl[p_card][thisTarg]; + + for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) { + + if (FPT_BL_Card[p_card].discQ_Tbl[qtag] && + (FPT_BL_Card[p_card].discQ_Tbl[qtag]->TargID == + thisTarg)) { + + FPT_BL_Card[p_card].discQ_Tbl[qtag]-> + HostStatus = (unsigned char)error_code; + + FPT_queueCmdComplete(&FPT_BL_Card[p_card], + FPT_BL_Card[p_card]. + discQ_Tbl[qtag], p_card); + + FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL; + currTar_Info->TarTagQ_Cnt--; + + } + } + } + +} + +/*--------------------------------------------------------------------- + * + * Function: Queue Flush Target SCCB + * + * Description: Flush all SCCB's back to the host driver for this target. + * + *---------------------------------------------------------------------*/ + +static void FPT_queueFlushTargSccb(unsigned char p_card, unsigned char thisTarg, + unsigned char error_code) +{ + unsigned char qtag; + struct sccb_mgr_tar_info *currTar_Info; + + currTar_Info = &FPT_sccbMgrTbl[p_card][thisTarg]; + + for (qtag = 0; qtag < QUEUE_DEPTH; qtag++) { + + if (FPT_BL_Card[p_card].discQ_Tbl[qtag] && + (FPT_BL_Card[p_card].discQ_Tbl[qtag]->TargID == thisTarg)) { + + FPT_BL_Card[p_card].discQ_Tbl[qtag]->HostStatus = + (unsigned char)error_code; + + FPT_queueCmdComplete(&FPT_BL_Card[p_card], + FPT_BL_Card[p_card]. + discQ_Tbl[qtag], p_card); + + FPT_BL_Card[p_card].discQ_Tbl[qtag] = NULL; + currTar_Info->TarTagQ_Cnt--; + + } + } + +} + +static void FPT_queueAddSccb(struct sccb *p_SCCB, unsigned char p_card) +{ + struct sccb_mgr_tar_info *currTar_Info; + currTar_Info = &FPT_sccbMgrTbl[p_card][p_SCCB->TargID]; + + p_SCCB->Sccb_forwardlink = NULL; + + p_SCCB->Sccb_backlink = currTar_Info->TarSelQ_Tail; + + if (currTar_Info->TarSelQ_Cnt == 0) { + + currTar_Info->TarSelQ_Head = p_SCCB; + } + + else { + + currTar_Info->TarSelQ_Tail->Sccb_forwardlink = p_SCCB; + } + + currTar_Info->TarSelQ_Tail = p_SCCB; + currTar_Info->TarSelQ_Cnt++; +} + +/*--------------------------------------------------------------------- + * + * Function: Queue Find SCCB + * + * Description: Search the target select Queue for this SCCB, and + * remove it if found. + * + *---------------------------------------------------------------------*/ + +static unsigned char FPT_queueFindSccb(struct sccb *p_SCCB, + unsigned char p_card) +{ + struct sccb *q_ptr; + struct sccb_mgr_tar_info *currTar_Info; + + currTar_Info = &FPT_sccbMgrTbl[p_card][p_SCCB->TargID]; + + q_ptr = currTar_Info->TarSelQ_Head; + + while (q_ptr != NULL) { + + if (q_ptr == p_SCCB) { + + if (currTar_Info->TarSelQ_Head == q_ptr) { + + currTar_Info->TarSelQ_Head = + q_ptr->Sccb_forwardlink; + } + + if (currTar_Info->TarSelQ_Tail == q_ptr) { + + currTar_Info->TarSelQ_Tail = + q_ptr->Sccb_backlink; + } + + if (q_ptr->Sccb_forwardlink != NULL) { + q_ptr->Sccb_forwardlink->Sccb_backlink = + q_ptr->Sccb_backlink; + } + + if (q_ptr->Sccb_backlink != NULL) { + q_ptr->Sccb_backlink->Sccb_forwardlink = + q_ptr->Sccb_forwardlink; + } + + currTar_Info->TarSelQ_Cnt--; + + return 1; + } + + else { + q_ptr = q_ptr->Sccb_forwardlink; + } + } + + return 0; + +} + +/*--------------------------------------------------------------------- + * + * Function: Utility Update Residual Count + * + * Description: Update the XferCnt to the remaining byte count. + * If we transferred all the data then just write zero. + * If Non-SG transfer then report Total Cnt - Actual Transfer + * Cnt. For SG transfers add the count fields of all + * remaining SG elements, as well as any partial remaining + * element. + * + *---------------------------------------------------------------------*/ + +static void FPT_utilUpdateResidual(struct sccb *p_SCCB) +{ + unsigned long partial_cnt; + unsigned int sg_index; + 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 */ |