1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
|
/***********************************************************************
;* File Name : TMSCSIW.H *
;* TEKRAM DC-390 PCI Wide SCSI Bus Master Host Adapter*
;* Device Driver *
;***********************************************************************/
#ifndef TMSCSIW_H
#define TMSCSIW_H
#define IRQ_NONE 255
typedef unsigned char UCHAR;
typedef unsigned short USHORT;
typedef unsigned long ULONG;
typedef unsigned int UINT;
typedef UCHAR *PUCHAR;
typedef USHORT *PUSHORT;
typedef ULONG *PULONG;
typedef Scsi_Host_Template *PSHT;
typedef struct Scsi_Host *PSH;
typedef Scsi_Device *PSCSIDEV;
typedef Scsi_Cmnd *PSCSICMD;
typedef void *PVOID;
typedef struct scatterlist *PSGL, SGL;
typedef struct _AddWkSpace
{
USHORT WKIOCtrlFlag; /* ;b7-Done, b6-wrtVerify, b0-in process */
USHORT XferredBlkCnt;
USHORT WKToXferBlkCnt;
USHORT WKcSGListDone;
USHORT WKMaxSGIndex;
ULONG WKToXferLen;
USHORT NxtSGoffset;
} AddWkSpace;
/*;-----------------------------------------------------------------------*/
typedef struct _SyncMsg
{
UCHAR ExtendMsg;
UCHAR ExtMsgLen;
UCHAR SyncXferReq;
UCHAR Period;
UCHAR ReqOffset;
} SyncMsg;
/*;-----------------------------------------------------------------------*/
typedef struct _Capacity
{
ULONG BlockCount;
ULONG BlockLength;
} Capacity;
/*;-----------------------------------------------------------------------*/
typedef struct _SGentry
{
ULONG SGXferDataPtr;
ULONG SGXferDataLen;
} SGentry;
typedef struct _SGentry1
{
ULONG SGXLen;
ULONG SGXPtr;
} SGentry1, *PSGE;
#define MAX_ADAPTER_NUM 4
#define MAX_DEVICES 10
#define MAX_SG_LIST_BUF 32
#define MAX_CMD_QUEUE 20
#define MAX_CMD_PER_LUN 8
#define MAX_SCSI_ID 16
#define MAX_SRB_CNT MAX_CMD_QUEUE+4
#define END_SCAN 2
/*
;-----------------------------------------------------------------------
; SCSI Request Block
;-----------------------------------------------------------------------
*/
struct _SRB
{
UCHAR CmdBlock[12];
ULONG Segment0[MAX_SG_LIST_BUF+1][2];
ULONG SegmentPad[2];
ULONG __select;
ULONG __command[2]; /* ;len,ptr */
ULONG __msgout0[2]; /* ;len,ptr */
ULONG PhysSRB;
ULONG ReturnAddr;
ULONG RemainSegPtr;
PSCSICMD pcmd;
struct _SRB *pNextSRB;
struct _DCB *pSRBDCB;
PSGL pSegmentList;
ULONG XferredLen;
ULONG SGPhysAddr; /*;a segment starting address */
ULONG XferredLen1;
SGL Segmentx; /* make a one entry of S/G list table */
PUCHAR pMsgPtr;
USHORT SRBState;
USHORT Revxx2; /* ??? */
UCHAR MsgInBuf[6];
UCHAR MsgOutBuf[6];
UCHAR SenseDataBuf[0x12];
UCHAR AdaptStatus;
UCHAR TargetStatus;
UCHAR MsgCnt;
UCHAR EndMessage;
UCHAR TagNumber;
UCHAR InternalReq; /*; 1-ADD internal request, 0-DMD request */
UCHAR SGcount;
UCHAR SGIndex;
UCHAR IORBFlag; /*;81h-Reset, 2-retry */
UCHAR SRBStatus;
UCHAR RetryCnt;
UCHAR SRBFlag; /*; b0-AutoReqSense,b6-Read,b7-write */
/*; b4-settimeout,b5-Residual valid */
UCHAR ScratchABuf;
UCHAR Reserved3[1]; /*;for dword alignment */
};
typedef struct _SRB DC390W_SRB, *PSRB;
/*
;-----------------------------------------------------------------------
; Device Control Block
;-----------------------------------------------------------------------
*/
struct _DCB
{
UCHAR DCBselect;
UCHAR DCBsxfer;
UCHAR DCBsdid;
UCHAR DCBscntl3;
UCHAR DCBscntl0;
UCHAR IdentifyMsg;
UCHAR DevMode;
UCHAR AdpMode;
struct _DCB *pNextDCB;
struct _ACB *pDCBACB;
PSCSICMD pQIORBhead;
PSCSICMD pQIORBtail;
PSCSICMD AboIORBhead;
PSCSICMD AboIORBtail;
USHORT QIORBCnt;
USHORT AboIORBcnt;
PSRB pWaitingSRB;
PSRB pWaitLast;
PSRB pGoingSRB;
PSRB pGoingLast;
PSRB pActiveSRB;
USHORT GoingSRBCnt;
USHORT WaitSRBCnt; /* ??? */
ULONG TagMask;
USHORT MaxCommand;
USHORT AdaptIndex; /*; UnitInfo struc start */
USHORT UnitIndex; /*; nth Unit on this card */
UCHAR UnitSCSIID; /*; SCSI Target ID (SCSI Only) */
UCHAR UnitSCSILUN; /*; SCSI Log. Unit (SCSI Only) */
UCHAR InqDataBuf[8];
UCHAR CapacityBuf[8];
UCHAR SyncMode; /*; 0:async mode */
UCHAR NegoPeriod; /*;for nego. */
UCHAR SyncPeriod; /*;for reg. */
UCHAR SyncOffset; /*;for reg. and nego.(low nibble) */
UCHAR UnitCtrlFlag;
UCHAR DCBFlag;
UCHAR DevType;
UCHAR Reserved2[1]; /*;for dword alignment */
};
typedef struct _DCB DC390W_DCB, *PDCB;
/*
;-----------------------------------------------------------------------
; Adapter Control Block
;-----------------------------------------------------------------------
*/
struct _ACB
{
ULONG PhysACB;
ULONG DevVendorID;
PSH pScsiHost;
struct _ACB *pNextACB;
USHORT IOPortBase;
USHORT Revxx1; /* ??? */
PDCB pLinkDCB;
PDCB pDCBRunRobin;
PDCB pActiveDCB;
PDCB pDCB_free;
PSRB pFreeSRB;
USHORT SRBCount;
USHORT AdapterIndex; /*; nth Adapter this driver */
USHORT max_id;
USHORT max_lun;
ULONG jmp_reselect;
ULONG jmp_select;
ULONG jmp_table8;
ULONG jmp_set_atn;
ULONG jmp_clear_ack;
ULONG jmp_next;
ULONG jmp_din8;
ULONG jmp_dout8;
ULONG jmp_clear_atn;
ULONG jmp_reselecttag;
UCHAR msgin123[4];
UCHAR status;
UCHAR AdaptSCSIID; /*; Adapter SCSI Target ID */
UCHAR AdaptSCSILUN; /*; Adapter SCSI LUN */
UCHAR DeviceCnt;
UCHAR IRQLevel;
UCHAR AdaptType; /*;1:390W, 2:390U, 3:390F */
UCHAR TagMaxNum;
UCHAR ACBFlag;
UCHAR Gmode2;
UCHAR LUNchk;
UCHAR scan_devices;
UCHAR Reserved1[1]; /*;for dword alignment */
UCHAR DCBmap[MAX_SCSI_ID];
DC390W_DCB DCB_array[MAX_DEVICES]; /* +74h, Len=3E8 */
DC390W_SRB SRB_array[MAX_SRB_CNT]; /* +45Ch, Len= */
};
typedef struct _ACB DC390W_ACB, *PACB;
/*;-----------------------------------------------------------------------*/
#define PCI_DEVICE_ID_NCR53C825A 0x0003
#define PCI_DEVICE_ID_NCR53C875 0x000f
#define CHIP810_ID 0x00011000
#define CHIP820_ID 0x00021000
#define CHIP825_ID 0x00031000
#define CHIP815_ID 0x00041000
#define CHIP875_ID 0x000f1000
#define DC390W 1 /*;825A - 16 BIT*/
#define DC390U 2 /*;875 - 8 BIT*/
#define DC390F 3 /*;875 - 16 BIT*/
#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
/*;---WKIOCtrlFlag */
#define IN_PROCESSING BIT0
#define BAD_WRITE_V_CMD BIT1
#define VERIFY_CMD BIT2
#define RESIDUAL_SG BIT3
/*;---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 DO_WIDE_NEGO BIT12
#define DO_SYNC_NEGO BIT13
#define SRB_UNEXPECT_RESEL BIT14
/*;---ACBFlag */
#define RESET_DEV BIT0
#define RESET_DETECT BIT1
#define RESET_DONE BIT2
/*;---DCBFlag */
#define ABORT_DEV_ BIT0
/*;---SRBstatus */
#define SRB_OK BIT0
#define ABORTION BIT1
#define OVER_RUN BIT2
#define UNDER_RUN BIT3
#define SRB_ERROR BIT4
/*;---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*/
#define SCSI_STAT_GOOD 0x0 /*; Good status */
#define SCSI_STAT_CHECKCOND 0x02 /*; SCSI Check Condition */
#define SCSI_STAT_CONDMET 0x04 /*; Condition Met */
#define SCSI_STAT_BUSY 0x08 /*; Target busy status */
#define SCSI_STAT_INTER 0x10 /*; Intermediate status */
#define SCSI_STAT_INTERCONDMET 0x14 /*; Intermediate condition met */
#define SCSI_STAT_RESCONFLICT 0x18 /*; Reservation conflict */
#define SCSI_STAT_CMDTERM 0x22 /*; Command Terminated */
#define SCSI_STAT_QUEUEFULL 0x28 /*; Queue Full */
#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 */
/*;---Sync_Mode */
#define SYNC_DISABLE 0
#define SYNC_ENABLE BIT0
#define SYNC_NEGO_DONE BIT1
#define WIDE_ENABLE BIT2
#define WIDE_NEGO_DONE BIT3
#define EN_TAG_QUEUING BIT4
#define SYNC_NEGO_OFFSET 16
/*;---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*/
#define MSG_COMPLETE 0x00
#define MSG_EXTENDED 0x01
#define MSG_SAVE_PTR 0x02
#define MSG_RESTORE_PTR 0x03
#define MSG_DISCONNECT 0x04
#define MSG_INITIATOR_ERROR 0x05
#define MSG_ABORT 0x06
#define MSG_REJECT_ 0x07
#define MSG_NOP 0x08
#define MSG_PARITY_ERROR 0x09
#define MSG_LINK_CMD_COMPL 0x0A
#define MSG_LINK_CMD_COMPL_FLG 0x0B
#define MSG_BUS_RESET 0x0C
#define MSG_ABORT_TAG 0x0D
#define MSG_SIMPLE_QTAG 0x20
#define MSG_HEAD_QTAG 0x21
#define MSG_ORDER_QTAG 0x22
#define MSG_IDENTIFY 0x80
#define MSG_HOST_ID 0x0C0
/*;----SCSI STATUS BYTE*/
#define STATUS_GOOD 0x00
#define CHECK_CONDITION_ 0x02
#define STATUS_BUSY 0x08
#define STATUS_INTERMEDIATE 0x10
#define RESERVE_CONFLICT 0x18
/* cmd->result */
#define STATUS_MASK_ 0xFF
#define MSG_MASK 0xFF00
#define RETURN_MASK 0xFF0000
/*
** Inquiry Data format
*/
typedef struct _SCSIInqData { /* INQ */
UCHAR DevType; /* Periph Qualifier & Periph Dev Type*/
UCHAR RMB_TypeMod; /* rem media bit & Dev Type Modifier */
UCHAR Vers; /* ISO, ECMA, & ANSI versions */
UCHAR RDF; /* AEN, TRMIOP, & response data format*/
UCHAR AddLen; /* length of additional data */
UCHAR Res1; /* reserved */
UCHAR Res2; /* reserved */
UCHAR Flags; /* RelADr,Wbus32,Wbus16,Sync,etc. */
UCHAR VendorID[8]; /* Vendor Identification */
UCHAR ProductID[16]; /* Product Identification */
UCHAR ProductRev[4]; /* Product Revision */
} SCSI_INQDATA, *PSCSI_INQDATA;
/* Inquiry byte 0 masks */
#define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */
#define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */
/* Inquiry byte 1 mask */
#define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */
/* Peripheral Device Type definitions */
#define SCSI_DASD 0x00 /* Direct-access Device */
#define SCSI_SEQACESS 0x01 /* Sequential-access device */
#define SCSI_PRINTER 0x02 /* Printer device */
#define SCSI_PROCESSOR 0x03 /* Processor device */
#define SCSI_WRITEONCE 0x04 /* Write-once device */
#define SCSI_CDROM 0x05 /* CD-ROM device */
#define SCSI_SCANNER 0x06 /* Scanner device */
#define SCSI_OPTICAL 0x07 /* Optical memory device */
#define SCSI_MEDCHGR 0x08 /* Medium changer device */
#define SCSI_COMM 0x09 /* Communications device */
#define SCSI_NODEV 0x1F /* Unknown or no device type */
/*
** Inquiry flag definitions (Inq data byte 7)
*/
#define SCSI_INQ_RELADR 0x80 /* device supports relative addressing*/
#define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */
#define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */
#define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */
#define SCSI_INQ_LINKED 0x08 /* device supports linked commands */
#define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */
#define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */
/*
;==========================================================
; EEPROM byte offset
;==========================================================
*/
typedef struct _EEprom
{
UCHAR EE_MODE1;
UCHAR EE_SPEED;
UCHAR xx1;
UCHAR xx2;
} EEprom, *PEEprom;
#define EE_ADAPT_SCSI_ID 64
#define EE_MODE2 65
#define EE_DELAY 66
#define EE_TAG_CMD_NUM 67
/*; EE_MODE1 bits definition*/
#define PARITY_CHK_ BIT0
#define SYNC_NEGO_ BIT1
#define EN_DISCONNECT_ BIT2
#define SEND_START_ BIT3
#define TAG_QUEUING_ BIT4
#define WIDE_NEGO_ BIT5
/*; 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
/*
;==========================================================
; NCR 53C825 Registers Structure
;==========================================================
*/
typedef struct _OperatingReg
{
UCHAR SCSICtrl0; /*; (+00)*/
UCHAR SCSICtrl1; /*; (+01)*/
UCHAR SCSICtrl2; /*; (+02)*/
UCHAR SCSICtrl3; /*; (+03)*/
UCHAR SCSIChipID; /*; (+04)*/
UCHAR SCSIXfer; /*; (+05)*/
UCHAR SCSIDestID; /*; (+06)*/
UCHAR GeneralPReg; /*; (+07)*/
UCHAR SCSI1stByteR; /*; (+08)*/
UCHAR SCSIOPCtrlL; /*; (+09)*/
UCHAR SCSISelID; /*; (+0A)*/
UCHAR SCSIBusCtrlLin; /*; (+0B)*/
UCHAR DMAStatus; /*; (+0C)*/
UCHAR SCSIStatus0; /*; (+0D)*/
UCHAR SCSIStatus1; /*; (+0E)*/
UCHAR SCSIStatus2; /*; (+0F)*/
ULONG DataStrucAddr; /*; (+10)*/
UCHAR InterruptStatus;/*; (+14)*/
UCHAR Reser1; /*; (+15)*/
UCHAR Reser2; /*; (+16)*/
UCHAR Reser3; /*; (+17)*/
UCHAR ChipTest0; /*; (+18)*/
UCHAR ChipTest1; /*; (+19)*/
UCHAR ChipTest2; /*; (+1A)*/
UCHAR ChipTest3; /*; (+1B)*/
ULONG TempStack; /*; (+1C)*/
UCHAR DMAFIFO; /*; (+20)*/
UCHAR ChipTest4; /*; (+21)*/
UCHAR ChipTest5; /*; (+22)*/
UCHAR ChipTest6; /*; (+23)*/
UCHAR DMAByteCnt[3]; /*; (+24)*/
UCHAR DMACommand; /*; (+27)*/
ULONG DMANextAddr; /*; (+28)*/
ULONG DMAScriptsPtr; /*; (+2C)*/
ULONG DMAScriptPtrSav;/*; (+30)*/
ULONG ScratchA; /*; (+34)*/
UCHAR DMAMode; /*; (+38)*/
UCHAR DMAIntEnable; /*; (+39)*/
UCHAR DMAWatchDog; /*; (+3A)*/
UCHAR DMACtrl; /*; (+3B)*/
ULONG ADDer; /*; (+3C)*/
UCHAR SCSIIntEnable0; /*; (+40)*/
UCHAR SCSIIntEnable1; /*; (+41)*/
UCHAR SCSIIntStatus0; /*; (+42)*/
UCHAR SCSIIntStatus1; /*; (+43)*/
UCHAR SCSILongParity; /*; (+44)*/
UCHAR WideResiData; /*; (+45)*/
UCHAR MemAccessCtrl; /*; (+46)*/
UCHAR GeneralPCtrl; /*; (+47)*/
UCHAR SCSITimer0; /*; (+48)*/
UCHAR SCSITimer1; /*; (+49)*/
UCHAR ResponseID0; /*; (+4A)*/
UCHAR ResponseID1; /*; (+4B)*/
UCHAR SCSITest0; /*; (+4C)*/
UCHAR SCSITest1; /*; (+4D)*/
UCHAR SCSITest2; /*; (+4E)*/
UCHAR SCSITest3; /*; (+4F)*/
USHORT SCSIIPDataL; /*; (+50)*/
USHORT Reser4; /*; (+52)*/
USHORT SCSIOPDataL; /*; (+54)*/
USHORT Reser5; /*; (+56)*/
USHORT SCSIBusDataLin; /*; (+58)*/
USHORT Reser6; /*; (+5A)*/
ULONG ScratchB; /*; (+5C)*/
ULONG ScratchC; /*; (+60)*/
ULONG ScratchD; /*; (+64)*/
ULONG ScratchE; /*; (+68)*/
ULONG ScratchF; /*; (+6C)*/
ULONG ScratchG; /*; (+70)*/
ULONG ScratchH; /*; (+74)*/
ULONG ScratchI; /*; (+78)*/
ULONG ScratchJ; /*; (+7C)*/
} OperatingReg;
/*
;==========================================================
; NCR 53C825 Registers bit Definition
;==========================================================
*/
/*; SCSICtrl0 (+00)*/
#define FULL_ARBITRATION (BIT7+BIT6)
#define START_ARBIT BIT5
#define SEL_W_SATN BIT4
#define EN_PARITY_CHK BIT3
#define SATN_IF_PARITY_ERR BIT1
#define TARGET_MODE BIT0
/*; SCSICtrl1 (+01)*/
#define ASSERT_RST BIT3
#define ASSERT_EVEN_P BIT2
#define START_SCSI_XFER BIT0
/*; SCSICtrl2 (+02)*/
#define DISC_UNEXPECTED BIT7
#define CHAIN_MODE BIT6
#define WIDE_SCSI_SEND BIT3
#define WIDE_SCSI_RECV BIT0
/*; SCSICtrl3 (+03)*/
#define EN_FAST_20 BIT7
#define SYNC_CLK_F4 (BIT6+BIT4)
#define SYNC_CLK_F3 BIT6
#define SYNC_CLK_F2 (BIT5+BIT4)
#define SYNC_CLK_F1_5 BIT5
#define SYNC_CLK_F1 BIT4
#define EN_WIDE_SCSI BIT3
#define ASYNC_CLK_F4 (BIT2+BIT0)
#define ASYNC_CLK_F3 BIT2
#define ASYNC_CLK_F2 (BIT1+BIT0)
#define ASYNC_CLK_F1_5 BIT1
#define ASYNC_CLK_F1 BIT0
/*; SCSIChipID (+04)*/
#define ENABLE_RESEL BIT6
#define ENABLE_SEL BIT5
#define CHIP_ID_MASK 0FH
/*; SCSIXfer (+05)*/
#define PERIOD_MASK (BIT7+BIT6+BIT5)
#define SYNC_PERIOD_F11 (BIT7+BIT6+BIT5)
#define SYNC_PERIOD_F10 (BIT7+BIT6)
#define SYNC_PERIOD_F9 (BIT7+BIT5)
#define SYNC_PERIOD_F8 BIT7
#define SYNC_PERIOD_F7 (BIT6+BIT5)
#define SYNC_PERIOD_F6 BIT6
#define SYNC_PERIOD_F5 BIT5
#define SYNC_PERIOD_F4 0
#define OFFSET_MASK (BIT4+BIT3+BIT2+BIT1+BIT0)
#define SYNC_OFFSET_16 BIT4
#define SYNC_OFFSET_8 BIT3
#define SYNC_OFFSET_7 (BIT2+BIT1+BIT0)
#define SYNC_OFFSET_6 (BIT2+BIT1)
#define SYNC_OFFSET_5 (BIT2+BIT0)
#define SYNC_OFFSET_4 BIT2
#define SYNC_OFFSET_3 (BIT1+BIT0)
#define SYNC_OFFSET_2 BIT1
#define SYNC_OFFSET_1 BIT0
#define SYNC_OFFSET_0 0
#define ASYNCHRONOUS SYNC_OFFSET_0
/*
; SCSIDestID (+06)
; GeneralPReg (+07)
; SCSI1stByteR (+08)
*/
/*; SCSIOPCtrlL (+09)*/
#define ASSERT_REQ BIT7
#define ASSERT_ACK BIT6
#define ASSERT_BSY BIT5
#define ASSERT_SEL BIT4
#define ASSERT_ATN BIT3
#define ASSERT_MSG BIT2
#define ASSERT_C_D BIT1
#define ASSERT_I_O BIT0
/*; SCSISelID (+0A) Read*/
#define SCSI_ID_VALID BIT7
/*; SCSIBusCtrlLin (+0B) Read*/
#define REQ_SIGNAL BIT7
#define ACK_SIGNAL BIT6
#define BSY_SIGNAL BIT5
#define SEL_SIGNAL BIT4
#define ATN_SIGNAL BIT3
#define MSG_SIGNAL BIT2
#define C_D_SIGNAL BIT1
#define I_O_SIGNAL BIT0
/*; DMAStatus (+0C) Read*/
#define DMA_FIFO_EMPTY BIT7
#define MASTER_PARITY_ERR BIT6
#define BUS_FAULT BIT5
#define ABORT_ BIT4
#define SINGLE_STEP_INT BIT3
#define SCRIPTS_INT BIT2
#define ILLEGAL_INSTRUC BIT0
/*; SCSIStatus0 (+0D) Read*/
#define SIDL_LSB_FULL BIT7
#define SODR_LSB_FULL BIT6
#define SODL_LSB_FULL BIT5
#define IN_ARBITRATION BIT4
#define LOST_ARBITRATION BIT3
#define WIN_ARBITRATION BIT2
#define RST_SIGNAL BIT1
#define PARITY_SIGNAL BIT0
/*; SCSIStatus1 (+0E) Read*/
#define SCSI_FIFO_MASK (BIT7+BIT6+BIT5+BIT4)
/*; SCSIStatus2 (+0F) Read*/
#define SIDL_MSB_FULL BIT7
#define SODR_MSB_FULL BIT6
#define SODL_MSB_FULL BIT5
#define SCSI_FIFO_MSB BIT4
/*; DataStrucAddr (+10)*/
/*; InterruptStatus (+14)*/
#define ABORT_OP BIT7
#define SOFTWARE_RST BIT6
#define SIGNAL_PROC BIT5
#define SEMAPHORE BIT4
#define CONNECTED BIT3
#define INT_ON_FLY BIT2
#define SCSI_INT_PENDING BIT1
#define DMA_INT_PENDING BIT0
/*; ChipTest0 (+18)*/
/*; ChipTest1 (+19)*/
#define FIFO_BYTE_EMPTY (BIT7+BIT6+BIT5+BIT4)
#define FIFO_BYTE_FULL (BIT3+BIT2+BIT1+BIT0)
/*; ChipTest2 (+1A)*/
#define READ_DIR BIT7
#define WRITE_DIR 0
#define SIGNAL_PROC_ BIT6
#define CFG_AS_IO_MAP BIT5
#define CFG_AS_MEM_MAP BIT4
#define SCRATCHAB_AS_BASE BIT3
#define TRUE_EOP BIT2
#define INTERNAL_DREQ BIT1
#define INTERNAL_DACK BIT0
/*; ChipTest3 (+1B)*/
#define CHIP_REV_MASK (BIT7+BIT6+BIT5+BIT4)
#define FLUSH_DMA_FIFO BIT3
#define CLR_DMA_FIFO BIT2
#define FETCH_PIN_MODE BIT1
#define WRT_EN_INVALIDATE BIT0
/*; TempStack (+1C)*/
/*; DMAFIFO (+20)*/
/*; 2 upper bits in ChipTest5*/
/*; ChipTest4 (+21)*/
#define BURST_DISABLE BIT7
/*; ChipTest5 (+22) */
#define EN_DMA_FIFO_536 BIT5
#define BURST_LEN_MSB BIT2
#define DMAFIFO_MS2B (BIT1+BIT0)
/*
; ChipTest6 (+23)
; DMAByteCnt (+24)
; DMACommand (+27)
; DMANextAddr (+28)
; DMAScriptsPtr (+2C)
; DMAScriptPtrSav (+30)
*/
/*; ScratchA (+34)*/
#define COMPLETED_OK_ BIT0
#define RE_SELECTED_ BIT1
#define OVER_RUN_ BIT2
/*; DMAMode (+38)*/
#define BURST_LEN16 (BIT7+BIT6)
#define BURST_LEN8 BIT7
#define BURST_LEN4 BIT6
#define BURST_LEN2 0
#define SRC_IO_MAP BIT5
#define SRC_MEM_MAP 0
#define DEST_IO_MAP BIT4
#define DEST_MEM_MAP 0
#define EN_READ_LINE BIT3
#define EN_READ_MULTIPLE BIT2
#define BURST_OPCODE_FETCH BIT1
#define MANUAL_START BIT0
#define AUTO_START 0
/*; DMAIntEnable (+39)*/
#define EN_MDPE BIT6
#define EN_BUS_FAULT BIT5
#define EN_ABORTED BIT4
#define EN_SINGLE_STEP BIT3
#define EN_SCRIPT_INT BIT2
#define EN_ILLEGAL_INST BIT0
/*; DMAWatchDog (+3A)*/
/*; DMACtrl (+3B)*/
#define EN_CACHE_LINE_SIZE BIT7
#define PRE_FETCH_FLUSH BIT6
#define EN_PRE_FETCH BIT5
#define SINGLE_STEP_MIDE BIT4
#define TOTEM_POLE_IRQ BIT3
#define OPEN_DRAIN_IRQ 0
#define START_DMA BIT2
#define IRQ_DISABLE BIT1
#define COMPATIBLE_700 BIT0
/*; ADDer (+3C)*/
/*; SCSIIntEnable0 (+40)*/
#define EN_PHASE_MISMATCH BIT7
#define EN_ARB_SEL_DONE BIT6
#define EN_BE_SELECTED BIT5
#define EN_BE_RESELECTED BIT4
#define EN_SCSI_GERROR BIT3
#define EN_UNEXPECT_DISC BIT2
#define EN_SCSI_RESET BIT1
#define EN_PARITY_ERROR BIT0
/*; SCSIIntEnable1 (+41)*/
#define EN_SEL_TIMEOUT BIT2
#define EN_GENERAL_TIMEOUT BIT1
#define EN_HANDSHAKE_TIMEOUT BIT0
/*; SCSIIntStatus0 (+42)*/
#define PHASE_MISMATCH BIT7
#define ARB_SEL_DONE BIT6
#define BE_SELECTED BIT5
#define BE_RESELECTED BIT4
#define SCSI_GERROR BIT3
#define UNEXPECT_DISC BIT2
#define SCSI_RESET BIT1
#define PARITY_ERROR BIT0
/*; SCSIIntStatus1 (+43)*/
#define SEL_TIMEOUT BIT2
#define GENERAL_TIMEOUT BIT1
#define HANDSHAKE_TIMEOUT BIT0
/*
; SCSILongParity (+44)
; WideResiData (+45)
; MemAccessCtrl (+46)
; GeneralPCtrl (+47)
*/
/*; SCSITimer0 (+48)*/
#define HTH_TO_DISABLE 0
#define SEL_TO_204ms (BIT3+BIT2)
/*
; SCSITimer1 (+49)
; ResponseID0 (+4A)
; ResponseID1 (+4B)
; SCSITest0 (+4C)
; SCSITest1 (+4D)
; SCSITest2 (+4E)
*/
/*; SCSITest3 (+4F)*/
#define ACTIVE_NEGATION_ BIT7
#define FIFO_TEST_READ BIT6
#define HALT_SCSI_CLK BIT5
#define DIS_SINGLE_INIT BIT4
#define TIMER_TEST_MODE BIT2
#define CLR_SCSI_FIFO BIT1
#define FIFO_TEST_WRITE BIT0
/*
; SCSIIPDataL (+50)
; SCSIOPDataL (+54)
; SCSIBusDataLin (+58)
; ScratchB (+5C)
; ScratchC (+60)
; ScratchD (+64)
; ScratchE (+68)
; ScratchF (+6C)
; ScratchG (+70)
; ScratchH (+74)
; ScratchI (+78)
; ScratchJ (+7C)
*/
/***********************************************************************
* NCR53C825 I/O Address Map
* base address is stored at offset 0x10 in the PCI configuration space
*-----------------------------------------------------------------------
* SCSI Core Registers Offset
***********************************************************************/
#define SCNTL0 0x00 /* Scsi Control 0 R/W */
#define SCNTL1 0x01 /* Scsi Control 1 R/W */
#define SCNTL2 0x02 /* Scsi Control 2 R/W */
#define SCNTL3 0x03 /* Scsi Control 3 R/W */
#define SCID 0x04 /* Scsi Chip ID R/W */
#define SXFER 0x05 /* Scsi Transfer R/W */
#define SDID 0x06 /* Scsi Destination ID R/W */
#define GPREG 0x07 /* General Purpose Bits R/W */
#define SFBR 0x08 /* Scsi First Byte Received R/W */
#define SOCL 0x09 /* Scsi Output Control Latch R/W */
#define SSID 0x0A /* Scsi Selector ID R */
#define SBCL 0x0B /* Scsi Bus Control Lines R/W */
#define DSTAT 0x0C /* DMA Status R */
#define SSTAT0 0x0D /* Scsi Status 0 R */
#define SSTAT1 0x0E /* Scsi Status 1 R */
#define SSTAT2 0x0F /* Scsi Status 2 R */
#define DSA 0x10 /* Data Structure Address R/W */
#define ISTAT 0x14 /* Interrupt Status R/W */
#define RES15 0x15 /* Reserved */
#define CTEST0 0x18 /* Reserved */
#define CTEST1 0x19 /* Chip Test 1 R/W */
#define CTEST2 0x1A /* Chip Test 2 R */
#define CTEST3 0x1B /* Chip Test 3 R */
#define TEMP 0x1C /* Temperary Stack R/W */
#define DFIFO 0x20 /* DMA FIFO R/W */
#define CTEST4 0x21 /* Chip Test 4 R/W */
#define CTEST5 0x22 /* Chip Test 5 R/W */
#define CTEST6 0x23 /* Chip Test 6 R/W */
#define DBC 0x24 /* DMA Byte Counter R/W */
#define DCMD 0x27 /* DMA Command R/W */
#define DNAD 0x28 /* DMA Next Address For Data R/W */
#define DSP 0x2C /* DMA SCIPTS Pointer R/W */
#define DSPS 0x30 /* DMA SCIPTS Pointer Saves R/W */
#define SCRATCHA 0x34 /* General Purpose Scratch Pad A R/W */
#define DMODE 0x38 /* DMA Mode R/W */
#define DIEN 0x39 /* DMA Interrupt Enable R/W */
#define DWT 0x3A /* DMA Watchdog Timer R/W */
#define DCNTL 0x3B /* DMA Control R/W */
#define ADDER 0x3C /* Sum output of Internal adder R */
#define SIEN0 0x40 /* Scsi Interrupt Enable 0 R/W */
#define SIEN1 0x41 /* Scsi Interrupt Enable 1 R/W */
#define SIST0 0x42 /* Scsi Interrupt Status 0 R */
#define SIST1 0x43 /* Scsi Interrupt Status 1 R */
#define SLPAR 0x44 /* Scsi Longitudinal Parity R/W */
#define SWIDE 0x45 /* Reserved */
#define MACNTL 0x46 /* Memory Access Control R/W */
#define GPCNTL 0x47 /* General Purpose Control R/W */
#define STIME0 0x48 /* Scsi Timer 0 R/W */
#define STIME1 0x49 /* Scsi Timer 1 R/W */
#define RESPID0 0x4A /* Response ID 0 R/W */
#define RESPID1 0x4B /* Response ID 1 R/W */
#define STEST0 0x4C /* Scsi Test 0 R */
#define STEST1 0x4D /* Scsi Test 1 R */
#define STEST2 0x4E /* Scsi Test 2 R/W */
#define STEST3 0x4F /* Scsi Test 3 R/W */
#define SIDL 0x50 /* Scsi Input Data Latch R */
#define RES51 0x51 /* Reserved */
#define SODL 0x54 /* Scsi Output Data Latch R/W */
#define RES55 0x55 /* Reserved */
#define SBDL 0x58 /* Scsi Bus Data Lines R */
#define RES59 0x59 /* Reserved */
#define SCRATCHB 0x5C /* General Purpose Scratch Pad B R/W */
/*
;==========================================================
; structure for 53C825A register ( I/O )
;==========================================================
*/
#define __scntl0 0
#define __scntl1 1
#define __scntl2 2
#define __scntl3 3
#define __scid 4
#define __sxfer 5
#define __sdid 6
#define __gpreg 7
#define __sfbr 8
#define __socl 9
#define __ssid 0x0A
#define __sbcl 0x0B
#define __dstat 0x0C
#define __sstat0 0x0D
#define __sstat1 0x0E
#define __sstat2 0x0F
#define __dsa 0x10
#define __istat 0x14
/*#define 0x15*/
#define __ctest0 0x18
#define __ctest1 0x19
#define __ctest2 0x1A
#define __ctest3 0x1B
#define __temp 0x1C
#define __dfifo 0x20
#define __ctest4 0x21
#define __ctest5 0x22
#define __ctest6 0x23
#define __dbc 0x24
#define __dcmd 0x27
#define __dnad 0x28
#define __dsp 0x2C
#define __dsps 0x30
#define __scratcha 0x34
#define __dmode 0x38
#define __dien 0x39
#define __dwt 0x3A
#define __dcntl 0x3B
#define __adder 0x3C
#define __sien0 0x40
#define __sien1 0x41
#define __sist0 0x42
#define __sist1 0x43
#define __slpar 0x44
#define __swide 0x45
#define __mactrl 0x46
#define __gpctrl 0x47
#define __stime0 0x48
#define __stime1 0x49
#define __respid0 0x4A
#define __respid1 0x4B
#define __stest0 0x4C
#define __stest1 0x4D
#define __stest2 0x4E
#define __stest3 0x4F
#define __sidl 0x50 /*; For wide SCSI, this register*/
/*#define 0x51 ; contains 2 bytes*/
#define __sodl 0x54
/*#define 0x55*/
#define __sbdl 0x58
/*#define 0x59*/
#define __scratchb 0x5C
/*
;==========================================================
; Script interrupt code(Vector)
;==========================================================
*/
#define __COMPLETE 0 /*; command complete*/
#define __RESELECTED 1 /*; reselected, without MESSAGE*/
#define __RESELECTED1 2 /*; reselected with idenntify bytes*/
#define __RESELECTEDT 3 /*; reselected with TAGS*/
#define __DISCONNECTED 4 /*; disconnected*/
#define __MSGEXTEND 5 /*; Extended msgin*/
#define __SIGNAL 6 /*; signaled, need to clear SIG*/
#define __MSGUNKNOWN 7 /*; Unknown message*/
#define __MSGOUT 8 /*; Message out phase detected*/
#define __FATALERROR 9 /*; Fatal error*/
#define __MSGSYNC 10 /*; Sync nego input*/
#define __MSGWIDE 11 /*; Wide nego input*/
#define __RESTOREPTR 12 /*; restore pointer received*/
#define __MSGREJECT 13 /*; Reject message received*/
#define __DEBUG 14 /*; For debug*/
#define DC390W_read8(address) \
inb(DC390W_ioport + (address)))
#define DC390W_read16(address) \
inw(DC390W_ioport + (address)))
#define DC390W_read32(address) \
inl(DC390W_ioport + (address)))
#define DC390W_write8(address,value) \
outb((value), DC390W_ioport + (address)))
#define DC390W_write16(address,value) \
outw((value), DC390W_ioport + (address)))
#define DC390W_write32(address,value) \
outl((value), DC390W_ioport + (address)))
#endif /* TMSCSIW_H */
|