/*********************************************************************** ;* File Name : TMSCSIM.H * ;* TEKRAM DC-390(T) PCI SCSI Bus Master Host Adapter * ;* Device Driver * ;***********************************************************************/ /* $Id: tmscsim.h,v 2.15.2.3 2000/11/17 20:52:27 garloff Exp $ */ #ifndef _TMSCSIM_H #define _TMSCSIM_H #include #include #define SCSI_IRQ_NONE 255 #define MAX_ADAPTER_NUM 4 #define MAX_SG_LIST_BUF 16 /* Not used */ #define MAX_SCSI_ID 8 #define MAX_SRB_CNT 50 /* Max number of started commands */ #define SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */ #define pci_dma_lo32(a) (a & 0xffffffff) typedef u8 UCHAR; /* 8 bits */ typedef u16 USHORT; /* 16 bits */ typedef u32 UINT; /* 32 bits */ typedef unsigned long ULONG; /* 32/64 bits */ /* ;----------------------------------------------------------------------- ; SCSI Request Block ;----------------------------------------------------------------------- */ struct dc390_srb { //u8 CmdBlock[12]; struct dc390_srb *pNextSRB; struct dc390_dcb *pSRBDCB; struct scsi_cmnd *pcmd; struct scatterlist *pSegmentList; struct scatterlist Segmentx; /* make a one entry of S/G list table */ unsigned long SGBusAddr; /*;a segment starting address as seen by AM53C974A*/ unsigned long SGToBeXferLen; /*; to be xfer length */ unsigned long TotalXferredLen; unsigned long SavedTotXLen; unsigned long Saved_Ptr; u32 SRBState; u8 SRBStatus; u8 SRBFlag; /*; b0-AutoReqSense,b6-Read,b7-write */ /*; b4-settimeout,b5-Residual valid */ u8 AdaptStatus; u8 TargetStatus; u8 ScsiPhase; s8 TagNumber; u8 SGIndex; u8 SGcount; u8 MsgCnt; u8 EndMessage; u8 SavedSGCount; u8 MsgInBuf[6]; u8 MsgOutBuf[6]; //u8 IORBFlag; /*;81h-Reset, 2-retry */ }; /* ;----------------------------------------------------------------------- ; Device Control Block ;----------------------------------------------------------------------- */ struct dc390_dcb { struct dc390_dcb *pNextDCB; struct dc390_acb *pDCBACB; /* Queued SRBs */ struct dc390_srb *pGoingSRB; struct dc390_srb *pGoingLast; struct dc390_srb *pActiveSRB; u8 GoingSRBCnt; u32 TagMask; u8 TargetID; /*; SCSI Target ID (SCSI Only) */ u8 TargetLUN; /*; SCSI Log. Unit (SCSI Only) */ u8 DevMode; u8 DCBFlag; u8 CtrlR1; u8 CtrlR3; u8 CtrlR4; u8 SyncMode; /*; 0:async mode */ u8 NegoPeriod; /*;for nego. */ u8 SyncPeriod; /*;for reg. */ u8 SyncOffset; /*;for reg. and nego.(low nibble) */ }; /* ;----------------------------------------------------------------------- ; Adapter Control Block ;----------------------------------------------------------------------- */ struct dc390_acb { struct Scsi_Host *pScsiHost; u16 IOPortBase; u8 IRQLevel; u8 status; u8 SRBCount; u8 AdapterIndex; /*; nth Adapter this driver */ u8 DCBCnt; u8 TagMaxNum; u8 ACBFlag; u8 Gmode2; u8 scan_devices; struct dc390_dcb *pLinkDCB; struct dc390_dcb *pLastDCB; struct dc390_dcb *pDCBRunRobin; struct dc390_dcb *pActiveDCB; struct dc390_srb *pFreeSRB; struct dc390_srb *pTmpSRB; u8 msgin123[4]; u8 Connected; u8 pad; #if defined(USE_SPINLOCKS) && USE_SPINLOCKS > 1 && (defined(CONFIG_SMP) || DEBUG_SPINLOCKS > 0) spinlock_t lock; #endif u8 sel_timeout; u8 glitch_cfg; u8 MsgLen; u8 Ignore_IRQ; /* Not used */ struct pci_dev *pdev; unsigned long Cmds; u32 SelLost; u32 SelConn; u32 CmdInQ; u32 CmdOutOfSRB; struct dc390_srb TmpSRB; struct dc390_srb SRB_array[MAX_SRB_CNT]; /* 50 SRBs */ }; /*;-----------------------------------------------------------------------*/ #define BIT31 0x80000000 #define BIT30 0x40000000 #define BIT29 0x20000000 #define BIT28 0x10000000 #define BIT27 0x08000000 #define BIT26 0x04000000 #define BIT25 0x02000000 #define BIT24 0x01000000 #define BIT23 0x00800000 #define BIT22 0x00400000 #define BIT21 0x00200000 #define BIT20 0x00100000 #define BIT19 0x00080000 #define BIT18 0x00040000 #define BIT17 0x00020000 #define BIT16 0x00010000 #define BIT15 0x00008000 #define BIT14 0x00004000 #define BIT13 0x00002000 #define BIT12 0x00001000 #define BIT11 0x00000800 #define BIT10 0x00000400 #define BIT9 0x00000200 #define BIT8 0x00000100 #define BIT7 0x00000080 #define BIT6 0x00000040 #define BIT5 0x00000020 #define BIT4 0x00000010 #define BIT3 0x00000008 #define BIT2 0x00000004 #define BIT1 0x00000002 #define BIT0 0x00000001 /*;---UnitCtrlFlag */ #define UNIT_ALLOCATED BIT0 #define UNIT_INFO_CHANGED BIT1 #define FORMATING_MEDIA BIT2 #define UNIT_RETRY BIT3 /*;---UnitFlags */ #define DASD_SUPPORT BIT0 #define SCSI_SUPPORT BIT1 #define ASPI_SUPPORT BIT2 /*;----SRBState machine definition */ #define SRB_FREE 0 #define SRB_WAIT BIT0 #define SRB_READY BIT1 #define SRB_MSGOUT BIT2 /*;arbitration+msg_out 1st byte*/ #define SRB_MSGIN BIT3 #define SRB_MSGIN_MULTI BIT4 #define SRB_COMMAND BIT5 #define SRB_START_ BIT6 /*;arbitration+msg_out+command_out*/ #define SRB_DISCONNECT BIT7 #define SRB_DATA_XFER BIT8 #define SRB_XFERPAD BIT9 #define SRB_STATUS BIT10 #define SRB_COMPLETED BIT11 #define SRB_ABORT_SENT BIT12 #define DO_SYNC_NEGO BIT13 #define SRB_UNEXPECT_RESEL BIT14 /*;---SRBstatus */ #define SRB_OK BIT0 #define ABORTION BIT1 #define OVER_RUN BIT2 #define UNDER_RUN BIT3 #define PARITY_ERROR BIT4 #define SRB_ERROR BIT5 /*;---ACBFlag */ #define RESET_DEV BIT0 #define RESET_DETECT BIT1 #define RESET_DONE BIT2 /*;---DCBFlag */ #define ABORT_DEV_ BIT0 /*;---SRBFlag */ #define DATAOUT BIT7 #define DATAIN BIT6 #define RESIDUAL_VALID BIT5 #define ENABLE_TIMER BIT4 #define RESET_DEV0 BIT2 #define ABORT_DEV BIT1 #define AUTO_REQSENSE BIT0 /*;---Adapter status */ #define H_STATUS_GOOD 0 #define H_SEL_TIMEOUT 0x11 #define H_OVER_UNDER_RUN 0x12 #define H_UNEXP_BUS_FREE 0x13 #define H_TARGET_PHASE_F 0x14 #define H_INVALID_CCB_OP 0x16 #define H_LINK_CCB_BAD 0x17 #define H_BAD_TARGET_DIR 0x18 #define H_DUPLICATE_CCB 0x19 #define H_BAD_CCB_OR_SG 0x1A #define H_ABORT 0x0FF /*; SCSI Status byte codes*/ /* The values defined in include/scsi/scsi.h, to be shifted << 1 */ #define SCSI_STAT_UNEXP_BUS_F 0xFD /*; Unexpect Bus Free */ #define SCSI_STAT_BUS_RST_DETECT 0xFE /*; Scsi Bus Reset detected */ #define SCSI_STAT_SEL_TIMEOUT 0xFF /*; Selection Time out */ /* cmd->result */ #define RES_TARGET 0x000000FF /* Target State */ #define RES_TARGET_LNX STATUS_MASK /* Only official ... */ #define RES_ENDMSG 0x0000FF00 /* End Message */ #define RES_DID 0x00FF0000 /* DID_ codes */ #define RES_DRV 0xFF000000 /* DRIVER_ codes */ #define MK_RES(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt)) #define MK_RES_LNX(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt)<<1) #define SET_RES_TARGET(who, tgt) do { who &= ~RES_TARGET; who |= (int)(tgt); } while (0) #define SET_RES_TARGET_LNX(who, tgt) do { who &= ~RES_TARGET_LNX; who |= (int)(tgt) << 1; } while (0) #define SET_RES_MSG(who, msg) do { who &= ~RES_ENDMSG; who |= (int)(msg) << 8; } while (0) #define SET_RES_DID(who, did) do { who &= ~RES_DID; who |= (int)(did) << 16; } while (0) #define SET_RES_DRV(who, drv) do { who &= ~RES_DRV; who |= (int)(drv) << 24; } while (0) /*;---Sync_Mode */ #define SYNC_DISABLE 0 #define SYNC_ENABLE BIT0 #define SYNC_NEGO_DONE BIT1 #define WIDE_ENABLE BIT2 /* Not used ;-) */ #define WIDE_NEGO_DONE BIT3 /* Not used ;-) */ #define EN_TAG_QUEUEING BIT4 #define EN_ATN_STOP BIT5 #define SYNC_NEGO_OFFSET 15 /*;---SCSI bus phase*/ #define SCSI_DATA_OUT 0 #define SCSI_DATA_IN 1 #define SCSI_COMMAND 2 #define SCSI_STATUS_ 3 #define SCSI_NOP0 4 #define SCSI_NOP1 5 #define SCSI_MSG_OUT 6 #define SCSI_MSG_IN 7 /*;----SCSI MSG BYTE*/ /* see scsi/scsi.h */ /* One is missing ! */ #define ABORT_TAG 0x0d /* * SISC query queue */ typedef struct { dma_addr_t saved_dma_handle; } dc390_cmd_scp_t; /* ;========================================================== ; EEPROM byte offset ;========================================================== */ typedef struct _EEprom { u8 EE_MODE1; u8 EE_SPEED; u8 xx1; u8 xx2; } EEprom, *PEEprom; #define REAL_EE_ADAPT_SCSI_ID 64 #define REAL_EE_MODE2 65 #define REAL_EE_DELAY 66 #define REAL_EE_TAG_CMD_NUM 67 #define EE_ADAPT_SCSI_ID 32 #define EE_MODE2 33 #define EE_DELAY 34 #define EE_TAG_CMD_NUM 35 #define EE_LEN 40 /*; EE_MODE1 bits definition*/ #define PARITY_CHK_ BIT0 #define SYNC_NEGO_ BIT1 #define EN_DISCONNECT_ BIT2 #define SEND_START_ BIT3 #define TAG_QUEUEING_ BIT4 /*; EE_MODE2 bits definition*/ #define MORE2_DRV BIT0 #define GREATER_1G BIT1 #define RST_SCSI_BUS BIT2 #define ACTIVE_NEGATION BIT3 #define NO_SEEK BIT4 #define LUN_CHECK BIT5 #define ENABLE_CE 1 #define DISABLE_CE 0 #define EEPROM_READ 0x80 /* ;========================================================== ; AMD 53C974 Registers bit Definition ;========================================================== */ /* ;==================== ; SCSI Register ;==================== */ /*; Command Reg.(+0CH) (rw) */ #define DMA_COMMAND BIT7 #define NOP_CMD 0 #define CLEAR_FIFO_CMD 1 #define RST_DEVICE_CMD 2 #define RST_SCSI_BUS_CMD 3 #define INFO_XFER_CMD 0x10 #define INITIATOR_CMD_CMPLTE 0x11 #define MSG_ACCEPTED_CMD 0x12 #define XFER_PAD_BYTE 0x18 #define SET_ATN_CMD 0x1A #define RESET_ATN_CMD 0x1B #define SEL_WO_ATN 0x41 /* currently not used */ #define SEL_W_ATN 0x42 #define SEL_W_ATN_STOP 0x43 #define SEL_W_ATN3 0x46 #define EN_SEL_RESEL 0x44 #define DIS_SEL_RESEL 0x45 /* currently not used */ #define RESEL 0x40 /* " */ #define RESEL_ATN3 0x47 /* " */ #define DATA_XFER_CMD INFO_XFER_CMD /*; SCSI Status Reg.(+10H) (r) */ #define INTERRUPT BIT7 #define ILLEGAL_OP_ERR BIT6 #define PARITY_ERR BIT5 #define COUNT_2_ZERO BIT4 #define GROUP_CODE_VALID BIT3 #define SCSI_PHASE_MASK (BIT2+BIT1+BIT0) /* BIT2: MSG phase; BIT1: C/D physe; BIT0: I/O phase */ /*; Interrupt Status Reg.(+14H) (r) */ #define SCSI_RESET BIT7 #define INVALID_CMD BIT6 #define DISCONNECTED BIT5 #define SERVICE_REQUEST BIT4 #define SUCCESSFUL_OP BIT3 #define RESELECTED BIT2 #define SEL_ATTENTION BIT1 #define SELECTED BIT0 /*; Internal State Reg.(+18H) (r) */ #define SYNC_OFFSET_FLAG BIT3 #define INTRN_STATE_MASK (BIT2+BIT1+BIT0) /* 0x04: Sel. successful (w/o stop), 0x01: Sel. successful (w/ stop) */ /*; Clock Factor Reg.(+24H) (w) */ #define CLK_FREQ_40MHZ 0 #define CLK_FREQ_35MHZ (BIT2+BIT1+BIT0) #define CLK_FREQ_30MHZ (BIT2+BIT1) #define CLK_FREQ_25MHZ (BIT2+BIT0) #define CLK_FREQ_20MHZ BIT2 #define CLK_FREQ_15MHZ (BIT1+BIT0) #define CLK_FREQ_10MHZ BIT1 /*; Control Reg. 1(+20H) (rw) */ #define EXTENDED_TIMING BIT7 #define DIS_INT_ON_SCSI_RST BIT6 #define PARITY_ERR_REPO BIT4 #define SCSI_ID_ON_BUS (BIT2+BIT1+BIT0) /* host adapter ID */ /*; Control Reg. 2(+2CH) (rw) */ #define EN_FEATURE BIT6 #define EN_SCSI2_CMD BIT3 /*; Control Reg. 3(+30H) (rw) */ #define ID_MSG_CHECK BIT7 #define EN_QTAG_MSG BIT6 #define EN_GRP2_CMD BIT5 #define FAST_SCSI BIT4 /* ;10MB/SEC */ #define FAST_CLK BIT3 /* ;25 - 40 MHZ */ /*; Control Reg. 4(+34H) (rw) */ #define EATER_12NS 0 #define EATER_25NS BIT7 #define EATER_35NS BIT6 #define EATER_0NS (BIT7+BIT6) #define REDUCED_POWER BIT5 #define CTRL4_RESERVED BIT4 /* must be 1 acc. to AM53C974.c */ #define NEGATE_REQACKDATA BIT2 #define NEGATE_REQACK BIT3 #define GLITCH_TO_NS(x) (((~x>>6 & 2) >> 1) | ((x>>6 & 1) << 1 ^ (x>>6 & 2))) #define NS_TO_GLITCH(y) (((~y<<7) | ~((y<<6) ^ ((y<<5 & 1<<6) | ~0x40))) & 0xc0) /* ;==================== ; DMA Register ;==================== */ /*; DMA Command Reg.(+40H) (rw) */ #define READ_DIRECTION BIT7 #define WRITE_DIRECTION 0 #define EN_DMA_INT BIT6 #define EN_PAGE_INT BIT5 /* page transfer interrupt enable */ #define MAP_TO_MDL BIT4 #define DIAGNOSTIC BIT2 #define DMA_IDLE_CMD 0 #define DMA_BLAST_CMD BIT0 #define DMA_ABORT_CMD BIT1 #define DMA_START_CMD (BIT1+BIT0) /*; DMA Status Reg.(+54H) (r) */ #define PCI_MS_ABORT BIT6 #define BLAST_COMPLETE BIT5 #define SCSI_INTERRUPT BIT4 #define DMA_XFER_DONE BIT3 #define DMA_XFER_ABORT BIT2 #define DMA_XFER_ERROR BIT1 #define POWER_DOWN BIT0 /*; DMA SCSI Bus and Ctrl.(+70H) */ #define EN_INT_ON_PCI_ABORT BIT25 #define WRT_ERASE_DMA_STAT BIT24 #define PW_DOWN_CTRL BIT21 #define SCSI_BUSY BIT20 #define SCLK BIT19 #define SCAM BIT18 #define SCSI_LINES 0x0003ffff /* ;========================================================== ; SCSI Chip register address offset ;========================================================== ;Registers are rw unless declared otherwise */ #define CtcReg_Low 0x00 /* r curr. transfer count */ #define CtcReg_Mid 0x04 /* r */ #define CtcReg_High 0x38 /* r */ #define ScsiFifo 0x08 #define ScsiCmd 0x0C #define Scsi_Status 0x10 /* r */ #define INT_Status 0x14 /* r */ #define Sync_Period 0x18 /* w */ #define Sync_Offset 0x1C /* w */ #define Clk_Factor 0x24 /* w */ #define CtrlReg1 0x20 #define CtrlReg2 0x2C #define CtrlReg3 0x30 #define CtrlReg4 0x34 #define DMA_Cmd 0x40 #define DMA_XferCnt 0x44 /* rw starting transfer count (32 bit) */ #define DMA_XferAddr 0x48 /* rw starting physical address (32 bit) */ #define DMA_Wk_ByteCntr 0x4C /* r working byte counter */ #define DMA_Wk_AddrCntr 0x50 /* r working address counter */ #define DMA_Status 0x54 /* r */ #define DMA_MDL_Addr 0x58 /* rw starting MDL address */ #define DMA_Wk_MDL_Cntr 0x5C /* r working MDL counter */ #define DMA_ScsiBusCtrl 0x70 /* rw SCSI Bus, PCI/DMA Ctrl */ #define StcReg_Low CtcReg_Low /* w start transfer count */ #define StcReg_Mid CtcReg_Mid /* w */ #define StcReg_High CtcReg_High /* w */ #define Scsi_Dest_ID Scsi_Status /* w */ #define Scsi_TimeOut INT_Status /* w */ #define Intern_State Sync_Period /* r */ #define Current_Fifo Sync_Offset /* r Curr. FIFO / int. state */ #define DC390_read8(address) \ (inb (pACB->IOPortBase + (address))) #define DC390_read8_(address, base) \ (inb ((u16)(base) + (address))) #define DC390_read16(address) \ (inw (pACB->IOPortBase + (address))) #define DC390_read32(address) \ (inl (pACB->IOPortBase + (address))) #define DC390_write8(address,value) \ outb ((value), pACB->IOPortBase + (address)) #define DC390_write8_(address,value,base) \ outb ((value), (u16)(base) + (address)) #define DC390_write16(address,value) \ outw ((value), pACB->IOPortBase + (address)) #define DC390_write32(address,value) \ outl ((value), pACB->IOPortBase + (address)) #endif /* _TMSCSIM_H */