Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  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
/**************************************************************************
 * Initio 9100 device driver for Linux.
 *
 * Copyright (c) 1994-1998 Initio Corporation
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * --------------------------------------------------------------------------
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification, immediately at the beginning of the file.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Where this Software is combined with software released under the terms of 
 * the GNU General Public License ("GPL") and the terms of the GPL would require the 
 * combined work to also be released under the terms of the GPL, the terms
 * and conditions of this License will apply in addition to those of the
 * GPL with the exception of any terms or conditions of this License that
 * conflict with, or are expressly prohibited by, the GPL.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 **************************************************************************/

#include <linux/config.h>
#include <linux/types.h>

#define ULONG   unsigned long
#define USHORT  unsigned short
#define UCHAR   unsigned char
#define BYTE    unsigned char
#define WORD    unsigned short
#define DWORD   unsigned long
#define UBYTE   unsigned char
#define UWORD   unsigned short
#define UDWORD  unsigned long
#define U32     u32

#ifndef NULL
#define NULL     0		/* zero          */
#endif
#ifndef TRUE
#define TRUE     (1)		/* boolean true  */
#endif
#ifndef FALSE
#define FALSE    (0)		/* boolean false */
#endif
#ifndef FAILURE
#define FAILURE  (-1)
#endif

#define TOTAL_SG_ENTRY		32
#define MAX_SUPPORTED_ADAPTERS  8
#define MAX_OFFSET		15
#define MAX_TARGETS		16

#define INI_VENDOR_ID   0x1101	/* Initio's PCI vendor ID       */
#define I950_DEVICE_ID	0x9500	/* Initio's inic-950 product ID   */
#define I940_DEVICE_ID	0x9400	/* Initio's inic-940 product ID   */
#define I935_DEVICE_ID	0x9401	/* Initio's inic-935 product ID   */

#define	_I91USCSI_H

typedef struct {
	unsigned short base;
	unsigned short vec;
} i91u_config;

/***************************************/
/*  Tulip Configuration Register Set */
/***************************************/
#define TUL_PVID        0x00	/* Vendor ID                    */
#define TUL_PDID        0x02	/* Device ID                    */
#define TUL_PCMD        0x04	/* Command                      */
#define TUL_PSTUS       0x06	/* Status                       */
#define TUL_PRID        0x08	/* Revision number              */
#define TUL_PPI         0x09	/* Programming interface        */
#define TUL_PSC         0x0A	/* Sub Class                    */
#define TUL_PBC         0x0B	/* Base Class                   */
#define TUL_PCLS        0x0C	/* Cache line size              */
#define TUL_PLTR        0x0D	/* Latency timer                */
#define TUL_PHDT        0x0E	/* Header type                  */
#define TUL_PBIST       0x0F	/* BIST                         */
#define TUL_PBAD        0x10	/* Base address                 */
#define TUL_PBAD1       0x14	/* Base address                 */
#define TUL_PBAD2       0x18	/* Base address                 */
#define TUL_PBAD3       0x1C	/* Base address                 */
#define TUL_PBAD4       0x20	/* Base address                 */
#define TUL_PBAD5       0x24	/* Base address                 */
#define TUL_PRSVD       0x28	/* Reserved                     */
#define TUL_PRSVD1      0x2C	/* Reserved                     */
#define TUL_PRAD        0x30	/* Expansion ROM base address   */
#define TUL_PRSVD2      0x34	/* Reserved                     */
#define TUL_PRSVD3      0x38	/* Reserved                     */
#define TUL_PINTL       0x3C	/* Interrupt line               */
#define TUL_PINTP       0x3D	/* Interrupt pin                */
#define TUL_PIGNT       0x3E	/* MIN_GNT                      */
#define TUL_PMGNT       0x3F	/* MAX_GNT                      */

/************************/
/*  Jasmin Register Set */
/************************/
#define TUL_HACFG0      0x40	/* H/A Configuration Register 0         */
#define TUL_HACFG1      0x41	/* H/A Configuration Register 1         */
#define TUL_HACFG2      0x42	/* H/A Configuration Register 2         */

#define TUL_SDCFG0      0x44	/* SCSI Device Configuration 0          */
#define TUL_SDCFG1      0x45	/* SCSI Device Configuration 1          */
#define TUL_SDCFG2      0x46	/* SCSI Device Configuration 2          */
#define TUL_SDCFG3      0x47	/* SCSI Device Configuration 3          */

#define TUL_GINTS       0x50	/* Global Interrupt Status Register     */
#define TUL_GIMSK       0x52	/* Global Interrupt MASK Register       */
#define TUL_GCTRL       0x54	/* Global Control Register              */
#define TUL_GCTRL_EEPROM_BIT    0x04
#define TUL_GCTRL1      0x55	/* Global Control Register              */
#define TUL_DMACFG      0x5B	/* DMA configuration                    */
#define TUL_NVRAM       0x5D	/* Non-volatile RAM port                */

#define TUL_SCnt0       0x80	/* 00 R/W Transfer Counter Low          */
#define TUL_SCnt1       0x81	/* 01 R/W Transfer Counter Mid          */
#define TUL_SCnt2       0x82	/* 02 R/W Transfer Count High           */
#define TUL_SFifoCnt    0x83	/* 03 R   FIFO counter                  */
#define TUL_SIntEnable  0x84	/* 03 W   Interrupt enble               */
#define TUL_SInt        0x84	/* 04 R   Interrupt Register            */
#define TUL_SCtrl0      0x85	/* 05 W   Control 0                     */
#define TUL_SStatus0    0x85	/* 05 R   Status 0                      */
#define TUL_SCtrl1      0x86	/* 06 W   Control 1                     */
#define TUL_SStatus1    0x86	/* 06 R   Status 1                      */
#define TUL_SConfig     0x87	/* 07 W   Configuration                 */
#define TUL_SStatus2    0x87	/* 07 R   Status 2                      */
#define TUL_SPeriod     0x88	/* 08 W   Sync. Transfer Period & Offset */
#define TUL_SOffset     0x88	/* 08 R   Offset                        */
#define TUL_SScsiId     0x89	/* 09 W   SCSI ID                       */
#define TUL_SBusId      0x89	/* 09 R   SCSI BUS ID                   */
#define TUL_STimeOut    0x8A	/* 0A W   Sel/Resel Time Out Register   */
#define TUL_SIdent      0x8A	/* 0A R   Identify Message Register     */
#define TUL_SAvail      0x8A	/* 0A R   Availiable Counter Register   */
#define TUL_SData       0x8B	/* 0B R/W SCSI data in/out              */
#define TUL_SFifo       0x8C	/* 0C R/W FIFO                          */
#define TUL_SSignal     0x90	/* 10 R/W SCSI signal in/out            */
#define TUL_SCmd        0x91	/* 11 R/W Command                       */
#define TUL_STest0      0x92	/* 12 R/W Test0                         */
#define TUL_STest1      0x93	/* 13 R/W Test1                         */
#define TUL_SCFG1	0x94	/* 14 R/W Configuration                 */

#define TUL_XAddH       0xC0	/*DMA Transfer Physical Address         */
#define TUL_XAddW       0xC8	/*DMA Current Transfer Physical Address */
#define TUL_XCntH       0xD0	/*DMA Transfer Counter                  */
#define TUL_XCntW       0xD4	/*DMA Current Transfer Counter          */
#define TUL_XCmd        0xD8	/*DMA Command Register                  */
#define TUL_Int         0xDC	/*Interrupt Register                    */
#define TUL_XStatus     0xDD	/*DMA status Register                   */
#define TUL_Mask        0xE0	/*Interrupt Mask Register               */
#define TUL_XCtrl       0xE4	/*DMA Control Register                  */
#define TUL_XCtrl1      0xE5	/*DMA Control Register 1                */
#define TUL_XFifo       0xE8	/*DMA FIFO                              */

#define TUL_WCtrl       0xF7	/*Bus master wait state control         */
#define TUL_DCtrl       0xFB	/*DMA delay control                     */

/*----------------------------------------------------------------------*/
/*   bit definition for Command register of Configuration Space Header  */
/*----------------------------------------------------------------------*/
#define BUSMS           0x04	/* BUS MASTER Enable                    */
#define IOSPA           0x01	/* IO Space Enable                      */

/*----------------------------------------------------------------------*/
/* Command Codes of Tulip SCSI Command register                         */
/*----------------------------------------------------------------------*/
#define TSC_EN_RESEL    0x80	/* Enable Reselection                   */
#define TSC_CMD_COMP    0x84	/* Command Complete Sequence            */
#define TSC_SEL         0x01	/* Select Without ATN Sequence          */
#define TSC_SEL_ATN     0x11	/* Select With ATN Sequence             */
#define TSC_SEL_ATN_DMA 0x51	/* Select With ATN Sequence with DMA    */
#define TSC_SEL_ATN3    0x31	/* Select With ATN3 Sequence            */
#define TSC_SEL_ATNSTOP 0x12	/* Select With ATN and Stop Sequence    */
#define TSC_SELATNSTOP  0x1E	/* Select With ATN and Stop Sequence    */

#define TSC_SEL_ATN_DIRECT_IN   0x95	/* Select With ATN Sequence     */
#define TSC_SEL_ATN_DIRECT_OUT  0x15	/* Select With ATN Sequence     */
#define TSC_SEL_ATN3_DIRECT_IN  0xB5	/* Select With ATN3 Sequence    */
#define TSC_SEL_ATN3_DIRECT_OUT 0x35	/* Select With ATN3 Sequence    */
#define TSC_XF_DMA_OUT_DIRECT   0x06	/* DMA Xfer Infomation out      */
#define TSC_XF_DMA_IN_DIRECT    0x86	/* DMA Xfer Infomation in       */

#define TSC_XF_DMA_OUT  0x43	/* DMA Xfer Infomation out              */
#define TSC_XF_DMA_IN   0xC3	/* DMA Xfer Infomation in               */
#define TSC_XF_FIFO_OUT 0x03	/* FIFO Xfer Infomation out             */
#define TSC_XF_FIFO_IN  0x83	/* FIFO Xfer Infomation in              */

#define TSC_MSG_ACCEPT  0x0F	/* Message Accept                       */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Control 0 Register                     */
/*----------------------------------------------------------------------*/
#define TSC_RST_SEQ     0x20	/* Reset sequence counter               */
#define TSC_FLUSH_FIFO  0x10	/* Flush FIFO                           */
#define TSC_ABT_CMD     0x04	/* Abort command (sequence)             */
#define TSC_RST_CHIP    0x02	/* Reset SCSI Chip                      */
#define TSC_RST_BUS     0x01	/* Reset SCSI Bus                       */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Control 1 Register                     */
/*----------------------------------------------------------------------*/
#define TSC_EN_SCAM     0x80	/* Enable SCAM                          */
#define TSC_TIMER       0x40	/* Select timeout unit                  */
#define TSC_EN_SCSI2    0x20	/* SCSI-2 mode                          */
#define TSC_PWDN        0x10	/* Power down mode                      */
#define TSC_WIDE_CPU    0x08	/* Wide CPU                             */
#define TSC_HW_RESELECT 0x04	/* Enable HW reselect                   */
#define TSC_EN_BUS_OUT  0x02	/* Enable SCSI data bus out latch       */
#define TSC_EN_BUS_IN   0x01	/* Enable SCSI data bus in latch        */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Configuration Register                 */
/*----------------------------------------------------------------------*/
#define TSC_EN_LATCH    0x80	/* Enable phase latch                   */
#define TSC_INITIATOR   0x40	/* Initiator mode                       */
#define TSC_EN_SCSI_PAR 0x20	/* Enable SCSI parity                   */
#define TSC_DMA_8BIT    0x10	/* Alternate dma 8-bits mode            */
#define TSC_DMA_16BIT   0x08	/* Alternate dma 16-bits mode           */
#define TSC_EN_WDACK    0x04	/* Enable DACK while wide SCSI xfer     */
#define TSC_ALT_PERIOD  0x02	/* Alternate sync period mode           */
#define TSC_DIS_SCSIRST 0x01	/* Disable SCSI bus reset us            */

#define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)

#define TSC_WIDE_SCSI   0x80	/* Enable Wide SCSI                     */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI signal Register                        */
/*----------------------------------------------------------------------*/
#define TSC_RST_ACK     0x00	/* Release ACK signal                   */
#define TSC_RST_ATN     0x00	/* Release ATN signal                   */
#define TSC_RST_BSY     0x00	/* Release BSY signal                   */

#define TSC_SET_ACK     0x40	/* ACK signal                           */
#define TSC_SET_ATN     0x08	/* ATN signal                           */

#define TSC_REQI        0x80	/* REQ signal                           */
#define TSC_ACKI        0x40	/* ACK signal                           */
#define TSC_BSYI        0x20	/* BSY signal                           */
#define TSC_SELI        0x10	/* SEL signal                           */
#define TSC_ATNI        0x08	/* ATN signal                           */
#define TSC_MSGI        0x04	/* MSG signal                           */
#define TSC_CDI         0x02	/* C/D signal                           */
#define TSC_IOI         0x01	/* I/O signal                           */


/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 0 Register                      */
/*----------------------------------------------------------------------*/
#define TSS_INT_PENDING 0x80	/* Interrupt pending            */
#define TSS_SEQ_ACTIVE  0x40	/* Sequencer active             */
#define TSS_XFER_CNT    0x20	/* Transfer counter zero        */
#define TSS_FIFO_EMPTY  0x10	/* FIFO empty                   */
#define TSS_PAR_ERROR   0x08	/* SCSI parity error            */
#define TSS_PH_MASK     0x07	/* SCSI phase mask              */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 1 Register                      */
/*----------------------------------------------------------------------*/
#define TSS_STATUS_RCV  0x08	/* Status received              */
#define TSS_MSG_SEND    0x40	/* Message sent                 */
#define TSS_CMD_PH_CMP  0x20	/* command phase done              */
#define TSS_DATA_PH_CMP 0x10	/* Data phase done              */
#define TSS_STATUS_SEND 0x08	/* Status sent                  */
#define TSS_XFER_CMP    0x04	/* Transfer completed           */
#define TSS_SEL_CMP     0x02	/* Selection completed          */
#define TSS_ARB_CMP     0x01	/* Arbitration completed        */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 2 Register                      */
/*----------------------------------------------------------------------*/
#define TSS_CMD_ABTED   0x80	/* Command aborted              */
#define TSS_OFFSET_0    0x40	/* Offset counter zero          */
#define TSS_FIFO_FULL   0x20	/* FIFO full                    */
#define TSS_TIMEOUT_0   0x10	/* Timeout counter zero         */
#define TSS_BUSY_RLS    0x08	/* Busy release                 */
#define TSS_PH_MISMATCH 0x04	/* Phase mismatch               */
#define TSS_SCSI_BUS_EN 0x02	/* SCSI data bus enable         */
#define TSS_SCSIRST     0x01	/* SCSI bus reset in progress   */

/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Interrupt Register                     */
/*----------------------------------------------------------------------*/
#define TSS_RESEL_INT   0x80	/* Reselected interrupt         */
#define TSS_SEL_TIMEOUT 0x40	/* Selected/reselected timeout  */
#define TSS_BUS_SERV    0x20
#define TSS_SCSIRST_INT 0x10	/* SCSI bus reset detected      */
#define TSS_DISC_INT    0x08	/* Disconnected interrupt       */
#define TSS_SEL_INT     0x04	/* Select interrupt             */
#define TSS_SCAM_SEL    0x02	/* SCAM selected                */
#define TSS_FUNC_COMP   0x01

/*----------------------------------------------------------------------*/
/* SCSI Phase Codes.                                                    */
/*----------------------------------------------------------------------*/
#define DATA_OUT        0
#define DATA_IN         1	/* 4                            */
#define CMD_OUT         2
#define STATUS_IN       3	/* 6                            */
#define MSG_OUT         6	/* 3                            */
#define MSG_IN          7



/*----------------------------------------------------------------------*/
/* Command Codes of Tulip xfer Command register                         */
/*----------------------------------------------------------------------*/
#define TAX_X_FORC      0x02
#define TAX_X_ABT       0x04
#define TAX_X_CLR_FIFO  0x08

#define TAX_X_IN        0x21
#define TAX_X_OUT       0x01
#define TAX_SG_IN       0xA1
#define TAX_SG_OUT      0x81

/*----------------------------------------------------------------------*/
/* Tulip Interrupt Register                                             */
/*----------------------------------------------------------------------*/
#define XCMP            0x01
#define FCMP            0x02
#define XABT            0x04
#define XERR            0x08
#define SCMP            0x10
#define IPEND           0x80

/*----------------------------------------------------------------------*/
/* Tulip DMA Status Register                                            */
/*----------------------------------------------------------------------*/
#define XPEND           0x01	/* Transfer pending             */
#define FEMPTY          0x02	/* FIFO empty                   */



/*----------------------------------------------------------------------*/
/* bit definition for TUL_GCTRL                                         */
/*----------------------------------------------------------------------*/
#define EXTSG           0x80
#define EXTAD           0x60
#define SEG4K           0x08
#define EEPRG           0x04
#define MRMUL           0x02

/*----------------------------------------------------------------------*/
/* bit definition for TUL_NVRAM                                         */
/*----------------------------------------------------------------------*/
#define SE2CS           0x08
#define SE2CLK          0x04
#define SE2DO           0x02
#define SE2DI           0x01


/************************************************************************/
/*              Scatter-Gather Element Structure                        */
/************************************************************************/
typedef struct SG_Struc {
	U32 SG_Ptr;		/* Data Pointer */
	U32 SG_Len;		/* Data Length */
} SG;

/***********************************************************************
		SCSI Control Block
************************************************************************/
typedef struct Scsi_Ctrl_Blk {
	struct Scsi_Ctrl_Blk *SCB_NxtScb;
	UBYTE SCB_Status;	/*4 */
	UBYTE SCB_NxtStat;	/*5 */
	UBYTE SCB_Mode;		/*6 */
	UBYTE SCB_Msgin;	/*7 SCB_Res0 */
	UWORD SCB_SGIdx;	/*8 */
	UWORD SCB_SGMax;	/*A */
#ifdef ALPHA
	U32 SCB_Reserved[2];	/*C */
#else
	U32 SCB_Reserved[3];	/*C */
#endif

	U32 SCB_XferLen;	/*18 Current xfer len           */
	U32 SCB_TotXLen;	/*1C Total xfer len             */
	U32 SCB_PAddr;		/*20 SCB phy. Addr. */

	UBYTE SCB_Opcode;	/*24 SCB command code */
	UBYTE SCB_Flags;	/*25 SCB Flags */
	UBYTE SCB_Target;	/*26 Target Id */
	UBYTE SCB_Lun;		/*27 Lun */
	U32 SCB_BufPtr;		/*28 Data Buffer Pointer */
	U32 SCB_BufLen;		/*2C Data Allocation Length */
	UBYTE SCB_SGLen;	/*30 SG list # */
	UBYTE SCB_SenseLen;	/*31 Sense Allocation Length */
	UBYTE SCB_HaStat;	/*32 */
	UBYTE SCB_TaStat;	/*33 */
	UBYTE SCB_CDBLen;	/*34 CDB Length */
	UBYTE SCB_Ident;	/*35 Identify */
	UBYTE SCB_TagMsg;	/*36 Tag Message */
	UBYTE SCB_TagId;	/*37 Queue Tag */
	UBYTE SCB_CDB[12];	/*38 */
	U32 SCB_SGPAddr;	/*44 SG List/Sense Buf phy. Addr. */
	U32 SCB_SensePtr;	/*48 Sense data pointer */
	void (*SCB_Post) (BYTE *, BYTE *);	/*4C POST routine */
	unsigned char *SCB_Srb;	/*50 SRB Pointer */
	SG SCB_SGList[TOTAL_SG_ENTRY];	/*54 Start of SG list */
} SCB;

/* Bit Definition for SCB_Status */
#define SCB_RENT        0x01
#define SCB_PEND        0x02
#define SCB_CONTIG      0x04	/* Contigent Allegiance */
#define SCB_SELECT      0x08
#define SCB_BUSY        0x10
#define SCB_DONE        0x20


/* Opcodes of SCB_Opcode */
#define ExecSCSI        0x1
#define BusDevRst       0x2
#define AbortCmd        0x3


/* Bit Definition for SCB_Mode */
#define SCM_RSENS       0x01	/* request sense mode */


/* Bit Definition for SCB_Flags */
#define SCF_DONE        0x01
#define SCF_POST        0x02
#define SCF_SENSE       0x04
#define SCF_DIR         0x18
#define SCF_NO_DCHK     0x00
#define SCF_DIN         0x08
#define SCF_DOUT        0x10
#define SCF_NO_XF       0x18
#define SCF_WR_VF       0x20	/* Write verify turn on         */
#define SCF_POLL        0x40
#define SCF_SG          0x80

/* Error Codes for SCB_HaStat */
#define HOST_SEL_TOUT   0x11
#define HOST_DO_DU      0x12
#define HOST_BUS_FREE   0x13
#define HOST_BAD_PHAS   0x14
#define HOST_INV_CMD    0x16
#define HOST_ABORTED    0x1A	/* 07/21/98 */
#define HOST_SCSI_RST   0x1B
#define HOST_DEV_RST    0x1C

/* Error Codes for SCB_TaStat */
#define TARGET_CHKCOND  0x02
#define TARGET_BUSY     0x08
#define QUEUE_FULL	0x28

/* SCSI MESSAGE */
#define MSG_COMP        0x00
#define MSG_EXTEND      0x01
#define MSG_SDP         0x02
#define MSG_RESTORE     0x03
#define MSG_DISC        0x04
#define MSG_IDE         0x05
#define MSG_ABORT       0x06
#define MSG_REJ         0x07
#define MSG_NOP         0x08
#define MSG_PARITY      0x09
#define MSG_LINK_COMP   0x0A
#define MSG_LINK_FLAG   0x0B
#define MSG_DEVRST      0x0C
#define MSG_ABORT_TAG   0x0D

/* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
#define MSG_STAG        0x20
#define MSG_HTAG        0x21
#define MSG_OTAG        0x22

#define MSG_IGNOREWIDE  0x23

#define MSG_IDENT   0x80

/***********************************************************************
		Target Device Control Structure
**********************************************************************/

typedef struct Tar_Ctrl_Struc {
	UWORD TCS_Flags;	/* 0 */
	UBYTE TCS_JS_Period;	/* 2 */
	UBYTE TCS_SConfig0;	/* 3 */

	UWORD TCS_DrvFlags;	/* 4 */
	UBYTE TCS_DrvHead;	/* 6 */
	UBYTE TCS_DrvSector;	/* 7 */
} TCS;

/***********************************************************************
		Target Device Control Structure
**********************************************************************/

/* Bit Definition for TCF_Flags */
#define TCF_SCSI_RATE           0x0007
#define TCF_EN_DISC             0x0008
#define TCF_NO_SYNC_NEGO        0x0010
#define TCF_NO_WDTR             0x0020
#define TCF_EN_255              0x0040
#define TCF_EN_START            0x0080
#define TCF_WDTR_DONE           0x0100
#define TCF_SYNC_DONE           0x0200
#define TCF_BUSY                0x0400


/* Bit Definition for TCF_DrvFlags */
#define TCF_DRV_BUSY            0x01	/* Indicate target busy(driver) */
#define TCF_DRV_EN_TAG          0x0800
#define TCF_DRV_255_63          0x0400

typedef struct I91u_Adpt_Struc {
	UWORD ADPT_BIOS;	/* 0 */
	UWORD ADPT_BASE;	/* 1 */
	UBYTE ADPT_Bus;		/* 2 */
	UBYTE ADPT_Device;	/* 3 */
	UBYTE ADPT_INTR;	/* 4 */
} INI_ADPT_STRUCT;


/***********************************************************************
	      Host Adapter Control Structure
************************************************************************/
typedef struct Ha_Ctrl_Struc {
	UWORD HCS_Base;		/* 00 */
	UWORD HCS_BIOS;		/* 02 */
	UBYTE HCS_Intr;		/* 04 */
	UBYTE HCS_SCSI_ID;	/* 05 */
	UBYTE HCS_MaxTar;	/* 06 */
	UBYTE HCS_NumScbs;	/* 07 */

	UBYTE HCS_Flags;	/* 08 */
	UBYTE HCS_Index;	/* 09 */
	UBYTE HCS_HaId;		/* 0A */
	UBYTE HCS_Config;	/* 0B */
	UWORD HCS_IdMask;	/* 0C */
	UBYTE HCS_Semaph;	/* 0E */
	UBYTE HCS_Phase;	/* 0F */
	UBYTE HCS_JSStatus0;	/* 10 */
	UBYTE HCS_JSInt;	/* 11 */
	UBYTE HCS_JSStatus1;	/* 12 */
	UBYTE HCS_SConf1;	/* 13 */

	UBYTE HCS_Msg[8];	/* 14 */
	SCB *HCS_NxtAvail;	/* 1C */
	SCB *HCS_Scb;		/* 20 */
	SCB *HCS_ScbEnd;	/* 24 */
	SCB *HCS_NxtPend;	/* 28 */
	SCB *HCS_NxtContig;	/* 2C */
	SCB *HCS_ActScb;	/* 30 */
	TCS *HCS_ActTcs;	/* 34 */

	SCB *HCS_FirstAvail;	/* 38 */
	SCB *HCS_LastAvail;	/* 3C */
	SCB *HCS_FirstPend;	/* 40 */
	SCB *HCS_LastPend;	/* 44 */
	SCB *HCS_FirstBusy;	/* 48 */
	SCB *HCS_LastBusy;	/* 4C */
	SCB *HCS_FirstDone;	/* 50 */
	SCB *HCS_LastDone;	/* 54 */
	UBYTE HCS_MaxTags[16];	/* 58 */
	UBYTE HCS_ActTags[16];	/* 68 */
	TCS HCS_Tcs[MAX_TARGETS];	/* 78 */
	ULONG pSRB_head;	/* SRB save queue header     */
	ULONG pSRB_tail;	/* SRB save queue tail       */
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
	spinlock_t HCS_AvailLock;
	spinlock_t HCS_SemaphLock;
	spinlock_t pSRB_lock;	/* SRB queue lock            */
#endif
} HCS;

/* Bit Definition for HCB_Config */
#define HCC_SCSI_RESET          0x01
#define HCC_EN_PAR              0x02
#define HCC_ACT_TERM1           0x04
#define HCC_ACT_TERM2           0x08
#define HCC_AUTO_TERM           0x10
#define HCC_EN_PWR              0x80

/* Bit Definition for HCB_Flags */
#define HCF_EXPECT_DISC         0x01
#define HCF_EXPECT_SELECT       0x02
#define HCF_EXPECT_RESET        0x10
#define HCF_EXPECT_DONE_DISC    0x20

/******************************************************************
	Serial EEProm
*******************************************************************/

typedef struct _NVRAM_SCSI {	/* SCSI channel configuration   */
	UCHAR NVM_ChSCSIID;	/* 0Ch -> Channel SCSI ID       */
	UCHAR NVM_ChConfig1;	/* 0Dh -> Channel config 1      */
	UCHAR NVM_ChConfig2;	/* 0Eh -> Channel config 2      */
	UCHAR NVM_NumOfTarg;	/* 0Fh -> Number of SCSI target */
	/* SCSI target configuration    */
	UCHAR NVM_Targ0Config;	/* 10h -> Target 0 configuration */
	UCHAR NVM_Targ1Config;	/* 11h -> Target 1 configuration */
	UCHAR NVM_Targ2Config;	/* 12h -> Target 2 configuration */
	UCHAR NVM_Targ3Config;	/* 13h -> Target 3 configuration */
	UCHAR NVM_Targ4Config;	/* 14h -> Target 4 configuration */
	UCHAR NVM_Targ5Config;	/* 15h -> Target 5 configuration */
	UCHAR NVM_Targ6Config;	/* 16h -> Target 6 configuration */
	UCHAR NVM_Targ7Config;	/* 17h -> Target 7 configuration */
	UCHAR NVM_Targ8Config;	/* 18h -> Target 8 configuration */
	UCHAR NVM_Targ9Config;	/* 19h -> Target 9 configuration */
	UCHAR NVM_TargAConfig;	/* 1Ah -> Target A configuration */
	UCHAR NVM_TargBConfig;	/* 1Bh -> Target B configuration */
	UCHAR NVM_TargCConfig;	/* 1Ch -> Target C configuration */
	UCHAR NVM_TargDConfig;	/* 1Dh -> Target D configuration */
	UCHAR NVM_TargEConfig;	/* 1Eh -> Target E configuration */
	UCHAR NVM_TargFConfig;	/* 1Fh -> Target F configuration */
} NVRAM_SCSI;

typedef struct _NVRAM {
/*----------header ---------------*/
	USHORT NVM_Signature;	/* 0,1: Signature */
	UCHAR NVM_Size;		/* 2:   Size of data structure */
	UCHAR NVM_Revision;	/* 3:   Revision of data structure */
	/* ----Host Adapter Structure ---- */
	UCHAR NVM_ModelByte0;	/* 4:   Model number (byte 0) */
	UCHAR NVM_ModelByte1;	/* 5:   Model number (byte 1) */
	UCHAR NVM_ModelInfo;	/* 6:   Model information         */
	UCHAR NVM_NumOfCh;	/* 7:   Number of SCSI channel */
	UCHAR NVM_BIOSConfig1;	/* 8:   BIOS configuration 1  */
	UCHAR NVM_BIOSConfig2;	/* 9:   BIOS configuration 2  */
	UCHAR NVM_HAConfig1;	/* A:   Hoat adapter configuration 1 */
	UCHAR NVM_HAConfig2;	/* B:   Hoat adapter configuration 2 */
	NVRAM_SCSI NVM_SCSIInfo[2];
	UCHAR NVM_reserved[10];
	/* ---------- CheckSum ----------       */
	USHORT NVM_CheckSum;	/* 0x3E, 0x3F: Checksum of NVRam        */
} NVRAM, *PNVRAM;

/* Bios Configuration for nvram->BIOSConfig1                            */
#define NBC1_ENABLE             0x01	/* BIOS enable                  */
#define NBC1_8DRIVE             0x02	/* Support more than 2 drives   */
#define NBC1_REMOVABLE          0x04	/* Support removable drive      */
#define NBC1_INT19              0x08	/* Intercept int 19h            */
#define NBC1_BIOSSCAN           0x10	/* Dynamic BIOS scan            */
#define NBC1_LUNSUPPORT         0x40	/* Support LUN                  */

/* HA Configuration Byte 1                                              */
#define NHC1_BOOTIDMASK 0x0F	/* Boot ID number               */
#define NHC1_LUNMASK    0x70	/* Boot LUN number              */
#define NHC1_CHANMASK   0x80	/* Boot Channel number          */

/* Bit definition for nvram->SCSIconfig1                                */
#define NCC1_BUSRESET           0x01	/* Reset SCSI bus at power up   */
#define NCC1_PARITYCHK          0x02	/* SCSI parity enable           */
#define NCC1_ACTTERM1           0x04	/* Enable active terminator 1   */
#define NCC1_ACTTERM2           0x08	/* Enable active terminator 2   */
#define NCC1_AUTOTERM           0x10	/* Enable auto terminator       */
#define NCC1_PWRMGR             0x80	/* Enable power management      */

/* Bit definition for SCSI Target configuration byte                    */
#define NTC_DISCONNECT          0x08	/* Enable SCSI disconnect       */
#define NTC_SYNC                0x10	/* SYNC_NEGO                    */
#define NTC_NO_WDTR             0x20	/* SYNC_NEGO                    */
#define NTC_1GIGA               0x40	/* 255 head / 63 sectors (64/32) */
#define NTC_SPINUP              0x80	/* Start disk drive             */

/*      Default NVRam values                                            */
#define INI_SIGNATURE           0xC925
#define NBC1_DEFAULT            (NBC1_ENABLE)
#define NCC1_DEFAULT            (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
#define NTC_DEFAULT             (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)

/* SCSI related definition                                              */
#define DISC_NOT_ALLOW          0x80	/* Disconnect is not allowed    */
#define DISC_ALLOW              0xC0	/* Disconnect is allowed        */
#define SCSICMD_RequestSense    0x03


/*----------------------------------------------------------------------*/
/*                              PCI                                     */
/*----------------------------------------------------------------------*/
#define PCI_FUNCTION_ID         0xB1
#define PCI_BIOS_PRESENT        0x01
#define FIND_PCI_DEVICE         0x02
#define FIND_PCI_CLASS_CODE     0x03
#define GENERATE_SPECIAL_CYCLE  0x06
#define READ_CONFIG_BYTE        0x08
#define READ_CONFIG_WORD        0x09
#define READ_CONFIG_DWORD       0x0A
#define WRITE_CONFIG_BYTE       0x0B
#define WRITE_CONFIG_WORD       0x0C
#define WRITE_CONFIG_DWORD      0x0D

#define SUCCESSFUL              0x00
#define FUNC_NOT_SUPPORTED      0x81
#define BAD_VENDOR_ID           0x83	/* Bad vendor ID                */
#define DEVICE_NOT_FOUND        0x86	/* PCI device not found         */
#define BAD_REGISTER_NUMBER     0x87

#define MAX_PCI_DEVICES         21	/* Maximum devices supportted   */

#define MAX_PCI_CHANL           4

typedef struct _BIOS32_ENTRY_STRUCTURE {
	DWORD Signatures;	/* Should be "_32_"             */
	DWORD BIOS32Entry;	/* 32-bit physical address      */
	BYTE Revision;		/* Revision level, should be 0  */
	BYTE Length;		/* Multiply of 16, should be 1  */
	BYTE CheckSum;		/* Checksum of whole structure  */
	BYTE Reserved[5];	/* Reserved                     */
} BIOS32_ENTRY_STRUCTURE, *PBIOS32_ENTRY_STRUCTURE;

typedef struct {
	union {
		unsigned int eax;
		struct {
			unsigned short ax;
		} word;
		struct {
			unsigned char al;
			unsigned char ah;
		} byte;
	} eax;
	union {
		unsigned int ebx;
		struct {
			unsigned short bx;
		} word;
		struct {
			unsigned char bl;
			unsigned char bh;
		} byte;
	} ebx;
	union {
		unsigned int ecx;
		struct {
			unsigned short cx;
		} word;
		struct {
			unsigned char cl;
			unsigned char ch;
		} byte;
	} ecx;
	union {
		unsigned int edx;
		struct {
			unsigned short dx;
		} word;
		struct {
			unsigned char dl;
			unsigned char dh;
		} byte;
	} edx;
	union {
		unsigned int edi;
		struct {
			unsigned short di;
		} word;
	} edi;
	union {
		unsigned int esi;
		struct {
			unsigned short si;
		} word;
	} esi;
} REGS;

typedef union {			/* Union define for mechanism 1 */
	struct {
		unsigned char RegNum;
		unsigned char FcnNum:3;
		unsigned char DeviceNum:5;
		unsigned char BusNum;
		unsigned char Reserved:7;
		unsigned char Enable:1;
	} sConfigAdr;
	unsigned long lConfigAdr;
} CONFIG_ADR;

typedef union {			/* Union define for mechanism 2 */
	struct {
		unsigned char RegNum;
		unsigned char DeviceNum;
		unsigned short Reserved;
	} sHostAdr;
	unsigned long lHostAdr;
} HOST_ADR;

typedef struct _HCSinfo {
	ULONG base;
	UCHAR vec;
	UCHAR bios;		/* High byte of BIOS address */
	USHORT BaseAndBios;	/* high byte: pHcsInfo->bios,low byte:pHcsInfo->base */
} HCSINFO;

#define TUL_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)(x+y)) ))
#define TUL_RDLONG(x,y)         (ULONG)(inl((int)((ULONG)(x+y)) ))
#define TUL_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
#define TUL_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
#define TUL_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))

#define SCSI_ABORT_SNOOZE 0
#define SCSI_ABORT_SUCCESS 1
#define SCSI_ABORT_PENDING 2
#define SCSI_ABORT_BUSY 3
#define SCSI_ABORT_NOT_RUNNING 4
#define SCSI_ABORT_ERROR 5

#define SCSI_RESET_SNOOZE 0
#define SCSI_RESET_PUNT 1
#define SCSI_RESET_SUCCESS 2
#define SCSI_RESET_PENDING 3
#define SCSI_RESET_WAKEUP 4
#define SCSI_RESET_NOT_RUNNING 5
#define SCSI_RESET_ERROR 6

#define SCSI_RESET_SYNCHRONOUS		0x01
#define SCSI_RESET_ASYNCHRONOUS		0x02
#define SCSI_RESET_SUGGEST_BUS_RESET	0x04
#define SCSI_RESET_SUGGEST_HOST_RESET	0x08

#define SCSI_RESET_BUS_RESET 0x100
#define SCSI_RESET_HOST_RESET 0x200
#define SCSI_RESET_ACTION   0xff