1 /***********************************************************************
2 ;* File Name : TMSCSIM.H *
3 ;* TEKRAM DC-390(T) PCI SCSI Bus Master Host Adapter *
5 ;***********************************************************************/
6 /* $Id: tmscsim.h,v 2.15.2.3 2000/11/17 20:52:27 garloff Exp $ */
11 #include <linux/types.h>
12 #include <linux/config.h>
14 #define SCSI_IRQ_NONE 255
16 #define MAX_ADAPTER_NUM 4
17 #define MAX_SG_LIST_BUF 16 /* Not used */
18 #define MAX_CMD_PER_LUN 32
19 #define MAX_CMD_QUEUE MAX_CMD_PER_LUN+MAX_CMD_PER_LUN/2+1
21 #define MAX_SRB_CNT MAX_CMD_QUEUE+1 /* Max number of started commands */
23 #define SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */
27 #define pci_dma_lo32(a) (a & 0xffffffff)
29 typedef u8 UCHAR; /* 8 bits */
30 typedef u16 USHORT; /* 16 bits */
31 typedef u32 UINT; /* 32 bits */
32 typedef unsigned long ULONG; /* 32/64 bits */
34 typedef UCHAR *PUCHAR;
35 typedef USHORT *PUSHORT;
37 typedef ULONG *PULONG;
38 typedef Scsi_Host_Template *PSHT;
39 typedef struct Scsi_Host *PSH;
40 typedef Scsi_Device *PSCSIDEV;
41 typedef Scsi_Cmnd *PSCSICMD;
43 typedef struct scatterlist *PSGL, SGL;
46 /*;-----------------------------------------------------------------------*/
47 typedef struct _SyncMsg
55 /*;-----------------------------------------------------------------------*/
56 typedef struct _Capacity
61 /*;-----------------------------------------------------------------------*/
62 typedef struct _SGentry
68 typedef struct _SGentry1
76 ;-----------------------------------------------------------------------
78 ;-----------------------------------------------------------------------
84 struct _SRB *pNextSRB;
90 SGL Segmentx; /* make a one entry of S/G list table */
93 ULONG SGBusAddr; /*;a segment starting address as seen by AM53C974A*/
94 ULONG SGToBeXferLen; /*; to be xfer length */
95 ULONG TotalXferredLen;
101 UCHAR SRBFlag; /*; b0-AutoReqSense,b6-Read,b7-write */
102 /*; b4-settimeout,b5-Residual valid */
123 //UCHAR IORBFlag; /*;81h-Reset, 2-retry */
128 typedef struct _SRB DC390_SRB, *PSRB;
131 ;-----------------------------------------------------------------------
132 ; Device Control Block
133 ;-----------------------------------------------------------------------
137 struct _DCB *pNextDCB;
138 struct _ACB *pDCBACB;
140 /* Aborted Commands */
141 //PSCSICMD AboIORBhead;
142 //PSCSICMD AboIORBtail;
152 UCHAR WaitSRBCnt; /* Not used */
161 UCHAR TargetID; /*; SCSI Target ID (SCSI Only) */
162 UCHAR TargetLUN; /*; SCSI Log. Unit (SCSI Only) */
172 UCHAR SyncMode; /*; 0:async mode */
173 UCHAR NegoPeriod; /*;for nego. */
174 UCHAR SyncPeriod; /*;for reg. */
175 UCHAR SyncOffset; /*;for reg. and nego.(low nibble) */
178 //UCHAR InqDataBuf[8];
179 //UCHAR CapacityBuf[8];
183 typedef struct _DCB DC390_DCB, *PDCB;
185 ;-----------------------------------------------------------------------
186 ; Adapter Control Block
187 ;-----------------------------------------------------------------------
192 struct _ACB *pNextACB;
198 UCHAR AdapterIndex; /*; nth Adapter this driver */
218 struct list_head cmdq;
222 UCHAR DCBmap[MAX_SCSI_ID];
227 #if defined(USE_SPINLOCKS) && USE_SPINLOCKS > 1 && (defined(CONFIG_SMP) || DEBUG_SPINLOCKS > 0)
234 UCHAR Ignore_IRQ; /* Not used */
236 PDEVDECL1; /* Pointer to PCI cfg. space */
245 struct timer_list Waiting_Timer;
249 DC390_SRB SRB_array[MAX_SRB_CNT]; /* 50 SRBs */
253 typedef struct _ACB DC390_ACB, *PACB;
255 /*;-----------------------------------------------------------------------*/
258 #define BIT31 0x80000000
259 #define BIT30 0x40000000
260 #define BIT29 0x20000000
261 #define BIT28 0x10000000
262 #define BIT27 0x08000000
263 #define BIT26 0x04000000
264 #define BIT25 0x02000000
265 #define BIT24 0x01000000
266 #define BIT23 0x00800000
267 #define BIT22 0x00400000
268 #define BIT21 0x00200000
269 #define BIT20 0x00100000
270 #define BIT19 0x00080000
271 #define BIT18 0x00040000
272 #define BIT17 0x00020000
273 #define BIT16 0x00010000
274 #define BIT15 0x00008000
275 #define BIT14 0x00004000
276 #define BIT13 0x00002000
277 #define BIT12 0x00001000
278 #define BIT11 0x00000800
279 #define BIT10 0x00000400
280 #define BIT9 0x00000200
281 #define BIT8 0x00000100
282 #define BIT7 0x00000080
283 #define BIT6 0x00000040
284 #define BIT5 0x00000020
285 #define BIT4 0x00000010
286 #define BIT3 0x00000008
287 #define BIT2 0x00000004
288 #define BIT1 0x00000002
289 #define BIT0 0x00000001
291 /*;---UnitCtrlFlag */
292 #define UNIT_ALLOCATED BIT0
293 #define UNIT_INFO_CHANGED BIT1
294 #define FORMATING_MEDIA BIT2
295 #define UNIT_RETRY BIT3
298 #define DASD_SUPPORT BIT0
299 #define SCSI_SUPPORT BIT1
300 #define ASPI_SUPPORT BIT2
302 /*;----SRBState machine definition */
304 #define SRB_WAIT BIT0
305 #define SRB_READY BIT1
306 #define SRB_MSGOUT BIT2 /*;arbitration+msg_out 1st byte*/
307 #define SRB_MSGIN BIT3
308 #define SRB_MSGIN_MULTI BIT4
309 #define SRB_COMMAND BIT5
310 #define SRB_START_ BIT6 /*;arbitration+msg_out+command_out*/
311 #define SRB_DISCONNECT BIT7
312 #define SRB_DATA_XFER BIT8
313 #define SRB_XFERPAD BIT9
314 #define SRB_STATUS BIT10
315 #define SRB_COMPLETED BIT11
316 #define SRB_ABORT_SENT BIT12
317 #define DO_SYNC_NEGO BIT13
318 #define SRB_UNEXPECT_RESEL BIT14
322 #define ABORTION BIT1
323 #define OVER_RUN BIT2
324 #define UNDER_RUN BIT3
325 #define PARITY_ERROR BIT4
326 #define SRB_ERROR BIT5
329 #define RESET_DEV BIT0
330 #define RESET_DETECT BIT1
331 #define RESET_DONE BIT2
334 #define ABORT_DEV_ BIT0
339 #define RESIDUAL_VALID BIT5
340 #define ENABLE_TIMER BIT4
341 #define RESET_DEV0 BIT2
342 #define ABORT_DEV BIT1
343 #define AUTO_REQSENSE BIT0
345 /*;---Adapter status */
346 #define H_STATUS_GOOD 0
347 #define H_SEL_TIMEOUT 0x11
348 #define H_OVER_UNDER_RUN 0x12
349 #define H_UNEXP_BUS_FREE 0x13
350 #define H_TARGET_PHASE_F 0x14
351 #define H_INVALID_CCB_OP 0x16
352 #define H_LINK_CCB_BAD 0x17
353 #define H_BAD_TARGET_DIR 0x18
354 #define H_DUPLICATE_CCB 0x19
355 #define H_BAD_CCB_OR_SG 0x1A
356 #define H_ABORT 0x0FF
358 /*; SCSI Status byte codes*/
359 /* The values defined in include/scsi/scsi.h, to be shifted << 1 */
361 #define SCSI_STAT_UNEXP_BUS_F 0xFD /*; Unexpect Bus Free */
362 #define SCSI_STAT_BUS_RST_DETECT 0xFE /*; Scsi Bus Reset detected */
363 #define SCSI_STAT_SEL_TIMEOUT 0xFF /*; Selection Time out */
366 #define RES_TARGET 0x000000FF /* Target State */
367 #define RES_TARGET_LNX STATUS_MASK /* Only official ... */
368 #define RES_ENDMSG 0x0000FF00 /* End Message */
369 #define RES_DID 0x00FF0000 /* DID_ codes */
370 #define RES_DRV 0xFF000000 /* DRIVER_ codes */
372 #define MK_RES(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt))
373 #define MK_RES_LNX(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt)<<1)
375 #define SET_RES_TARGET(who,tgt) { who &= ~RES_TARGET; who |= (int)(tgt); }
376 #define SET_RES_TARGET_LNX(who,tgt) { who &= ~RES_TARGET_LNX; who |= (int)(tgt) << 1; }
377 #define SET_RES_MSG(who,msg) { who &= ~RES_ENDMSG; who |= (int)(msg) << 8; }
378 #define SET_RES_DID(who,did) { who &= ~RES_DID; who |= (int)(did) << 16; }
379 #define SET_RES_DRV(who,drv) { who &= ~RES_DRV; who |= (int)(drv) << 24; }
382 #define SYNC_DISABLE 0
383 #define SYNC_ENABLE BIT0
384 #define SYNC_NEGO_DONE BIT1
385 #define WIDE_ENABLE BIT2 /* Not used ;-) */
386 #define WIDE_NEGO_DONE BIT3 /* Not used ;-) */
387 #define EN_TAG_QUEUEING BIT4
388 #define EN_ATN_STOP BIT5
390 #define SYNC_NEGO_OFFSET 15
392 /*;---SCSI bus phase*/
393 #define SCSI_DATA_OUT 0
394 #define SCSI_DATA_IN 1
395 #define SCSI_COMMAND 2
396 #define SCSI_STATUS_ 3
399 #define SCSI_MSG_OUT 6
400 #define SCSI_MSG_IN 7
402 /*;----SCSI MSG BYTE*/ /* see scsi/scsi.h */ /* One is missing ! */
403 #define ABORT_TAG 0x0d
409 struct list_head list;
410 dma_addr_t saved_dma_handle;
413 struct scsi_cmnd_list
415 char dummy[offsetof(struct scsi_cmnd, SCp)];
420 ** Inquiry Data format
423 typedef struct _SCSIInqData { /* INQUIRY */
425 UCHAR DevType; /* Periph Qualifier & Periph Dev Type*/
426 UCHAR RMB_TypeMod; /* rem media bit & Dev Type Modifier */
427 UCHAR Vers; /* ISO, ECMA, & ANSI versions */
428 UCHAR RDF; /* AEN, TRMIOP, & response data format*/
429 UCHAR AddLen; /* length of additional data */
430 UCHAR Res1; /* reserved */
431 UCHAR Res2; /* reserved */
432 UCHAR Flags; /* RelADr,Wbus32,Wbus16,Sync,etc. */
433 UCHAR VendorID[8]; /* Vendor Identification */
434 UCHAR ProductID[16]; /* Product Identification */
435 UCHAR ProductRev[4]; /* Product Revision */
438 } SCSI_INQDATA, *PSCSI_INQDATA;
441 /* Inquiry byte 0 masks */
444 #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */
445 #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */
446 #define TYPE_NODEV SCSI_DEVTYPE /* Unknown or no device type */
449 /* Inquiry byte 1 mask */
451 #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */
454 /* Peripheral Device Type definitions */
455 /* see include/scsi/scsi.h for the rest */
458 # define TYPE_PRINTER 0x02 /* Printer device */
461 # define TYPE_COMM 0x09 /* Communications device */
465 ** Inquiry flag definitions (Inq data byte 7)
468 #define SCSI_INQ_RELADR 0x80 /* device supports relative addressing*/
469 #define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */
470 #define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */
471 #define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */
472 #define SCSI_INQ_LINKED 0x08 /* device supports linked commands */
473 #define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */
474 #define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */
478 ;==========================================================
480 ;==========================================================
482 typedef struct _EEprom
490 #define REAL_EE_ADAPT_SCSI_ID 64
491 #define REAL_EE_MODE2 65
492 #define REAL_EE_DELAY 66
493 #define REAL_EE_TAG_CMD_NUM 67
495 #define EE_ADAPT_SCSI_ID 32
498 #define EE_TAG_CMD_NUM 35
502 /*; EE_MODE1 bits definition*/
503 #define PARITY_CHK_ BIT0
504 #define SYNC_NEGO_ BIT1
505 #define EN_DISCONNECT_ BIT2
506 #define SEND_START_ BIT3
507 #define TAG_QUEUEING_ BIT4
509 /*; EE_MODE2 bits definition*/
510 #define MORE2_DRV BIT0
511 #define GREATER_1G BIT1
512 #define RST_SCSI_BUS BIT2
513 #define ACTIVE_NEGATION BIT3
515 #define LUN_CHECK BIT5
519 #define EEPROM_READ 0x80
522 ;==========================================================
523 ; AMD 53C974 Registers bit Definition
524 ;==========================================================
527 ;====================
529 ;====================
532 /*; Command Reg.(+0CH) (rw) */
533 #define DMA_COMMAND BIT7
535 #define CLEAR_FIFO_CMD 1
536 #define RST_DEVICE_CMD 2
537 #define RST_SCSI_BUS_CMD 3
539 #define INFO_XFER_CMD 0x10
540 #define INITIATOR_CMD_CMPLTE 0x11
541 #define MSG_ACCEPTED_CMD 0x12
542 #define XFER_PAD_BYTE 0x18
543 #define SET_ATN_CMD 0x1A
544 #define RESET_ATN_CMD 0x1B
546 #define SEL_WO_ATN 0x41 /* currently not used */
547 #define SEL_W_ATN 0x42
548 #define SEL_W_ATN_STOP 0x43
549 #define SEL_W_ATN3 0x46
550 #define EN_SEL_RESEL 0x44
551 #define DIS_SEL_RESEL 0x45 /* currently not used */
552 #define RESEL 0x40 /* " */
553 #define RESEL_ATN3 0x47 /* " */
555 #define DATA_XFER_CMD INFO_XFER_CMD
558 /*; SCSI Status Reg.(+10H) (r) */
559 #define INTERRUPT BIT7
560 #define ILLEGAL_OP_ERR BIT6
561 #define PARITY_ERR BIT5
562 #define COUNT_2_ZERO BIT4
563 #define GROUP_CODE_VALID BIT3
564 #define SCSI_PHASE_MASK (BIT2+BIT1+BIT0)
565 /* BIT2: MSG phase; BIT1: C/D physe; BIT0: I/O phase */
567 /*; Interrupt Status Reg.(+14H) (r) */
568 #define SCSI_RESET BIT7
569 #define INVALID_CMD BIT6
570 #define DISCONNECTED BIT5
571 #define SERVICE_REQUEST BIT4
572 #define SUCCESSFUL_OP BIT3
573 #define RESELECTED BIT2
574 #define SEL_ATTENTION BIT1
575 #define SELECTED BIT0
577 /*; Internal State Reg.(+18H) (r) */
578 #define SYNC_OFFSET_FLAG BIT3
579 #define INTRN_STATE_MASK (BIT2+BIT1+BIT0)
580 /* 0x04: Sel. successful (w/o stop), 0x01: Sel. successful (w/ stop) */
582 /*; Clock Factor Reg.(+24H) (w) */
583 #define CLK_FREQ_40MHZ 0
584 #define CLK_FREQ_35MHZ (BIT2+BIT1+BIT0)
585 #define CLK_FREQ_30MHZ (BIT2+BIT1)
586 #define CLK_FREQ_25MHZ (BIT2+BIT0)
587 #define CLK_FREQ_20MHZ BIT2
588 #define CLK_FREQ_15MHZ (BIT1+BIT0)
589 #define CLK_FREQ_10MHZ BIT1
591 /*; Control Reg. 1(+20H) (rw) */
592 #define EXTENDED_TIMING BIT7
593 #define DIS_INT_ON_SCSI_RST BIT6
594 #define PARITY_ERR_REPO BIT4
595 #define SCSI_ID_ON_BUS (BIT2+BIT1+BIT0) /* host adapter ID */
597 /*; Control Reg. 2(+2CH) (rw) */
598 #define EN_FEATURE BIT6
599 #define EN_SCSI2_CMD BIT3
601 /*; Control Reg. 3(+30H) (rw) */
602 #define ID_MSG_CHECK BIT7
603 #define EN_QTAG_MSG BIT6
604 #define EN_GRP2_CMD BIT5
605 #define FAST_SCSI BIT4 /* ;10MB/SEC */
606 #define FAST_CLK BIT3 /* ;25 - 40 MHZ */
608 /*; Control Reg. 4(+34H) (rw) */
610 #define EATER_25NS BIT7
611 #define EATER_35NS BIT6
612 #define EATER_0NS (BIT7+BIT6)
613 #define REDUCED_POWER BIT5
614 #define CTRL4_RESERVED BIT4 /* must be 1 acc. to AM53C974.c */
615 #define NEGATE_REQACKDATA BIT2
616 #define NEGATE_REQACK BIT3
618 #define GLITCH_TO_NS(x) (((~x>>6 & 2) >> 1) | ((x>>6 & 1) << 1 ^ (x>>6 & 2)))
619 #define NS_TO_GLITCH(y) (((~y<<7) | ~((y<<6) ^ ((y<<5 & 1<<6) | ~0x40))) & 0xc0)
622 ;====================
624 ;====================
626 /*; DMA Command Reg.(+40H) (rw) */
627 #define READ_DIRECTION BIT7
628 #define WRITE_DIRECTION 0
629 #define EN_DMA_INT BIT6
630 #define EN_PAGE_INT BIT5 /* page transfer interrupt enable */
631 #define MAP_TO_MDL BIT4
632 #define DIAGNOSTIC BIT2
633 #define DMA_IDLE_CMD 0
634 #define DMA_BLAST_CMD BIT0
635 #define DMA_ABORT_CMD BIT1
636 #define DMA_START_CMD (BIT1+BIT0)
638 /*; DMA Status Reg.(+54H) (r) */
639 #define PCI_MS_ABORT BIT6
640 #define BLAST_COMPLETE BIT5
641 #define SCSI_INTERRUPT BIT4
642 #define DMA_XFER_DONE BIT3
643 #define DMA_XFER_ABORT BIT2
644 #define DMA_XFER_ERROR BIT1
645 #define POWER_DOWN BIT0
647 /*; DMA SCSI Bus and Ctrl.(+70H) */
648 #define EN_INT_ON_PCI_ABORT BIT25
649 #define WRT_ERASE_DMA_STAT BIT24
650 #define PW_DOWN_CTRL BIT21
651 #define SCSI_BUSY BIT20
654 #define SCSI_LINES 0x0003ffff
657 ;==========================================================
658 ; SCSI Chip register address offset
659 ;==========================================================
660 ;Registers are rw unless declared otherwise
662 #define CtcReg_Low 0x00 /* r curr. transfer count */
663 #define CtcReg_Mid 0x04 /* r */
664 #define CtcReg_High 0x38 /* r */
665 #define ScsiFifo 0x08
667 #define Scsi_Status 0x10 /* r */
668 #define INT_Status 0x14 /* r */
669 #define Sync_Period 0x18 /* w */
670 #define Sync_Offset 0x1C /* w */
671 #define Clk_Factor 0x24 /* w */
672 #define CtrlReg1 0x20
673 #define CtrlReg2 0x2C
674 #define CtrlReg3 0x30
675 #define CtrlReg4 0x34
677 #define DMA_XferCnt 0x44 /* rw starting transfer count (32 bit) */
678 #define DMA_XferAddr 0x48 /* rw starting physical address (32 bit) */
679 #define DMA_Wk_ByteCntr 0x4C /* r working byte counter */
680 #define DMA_Wk_AddrCntr 0x50 /* r working address counter */
681 #define DMA_Status 0x54 /* r */
682 #define DMA_MDL_Addr 0x58 /* rw starting MDL address */
683 #define DMA_Wk_MDL_Cntr 0x5C /* r working MDL counter */
684 #define DMA_ScsiBusCtrl 0x70 /* rw SCSI Bus, PCI/DMA Ctrl */
686 #define StcReg_Low CtcReg_Low /* w start transfer count */
687 #define StcReg_Mid CtcReg_Mid /* w */
688 #define StcReg_High CtcReg_High /* w */
689 #define Scsi_Dest_ID Scsi_Status /* w */
690 #define Scsi_TimeOut INT_Status /* w */
691 #define Intern_State Sync_Period /* r */
692 #define Current_Fifo Sync_Offset /* r Curr. FIFO / int. state */
695 #define DC390_read8(address) \
696 (inb (pACB->IOPortBase + (address)))
698 #define DC390_read8_(address, base) \
699 (inb ((USHORT)(base) + (address)))
701 #define DC390_read16(address) \
702 (inw (pACB->IOPortBase + (address)))
704 #define DC390_read32(address) \
705 (inl (pACB->IOPortBase + (address)))
707 #define DC390_write8(address,value) \
708 outb ((value), pACB->IOPortBase + (address))
710 #define DC390_write8_(address,value,base) \
711 outb ((value), (USHORT)(base) + (address))
713 #define DC390_write16(address,value) \
714 outw ((value), pACB->IOPortBase + (address))
716 #define DC390_write32(address,value) \
717 outl ((value), pACB->IOPortBase + (address))
720 #endif /* _TMSCSIM_H */