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28#include <linux/module.h>
29#include <linux/kernel.h>
30#include <linux/init.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/ioport.h>
35#include <linux/delay.h>
36#include <linux/interrupt.h>
37#include <linux/major.h>
38#include <linux/blkdev.h>
39#include <linux/stat.h>
40
41#include <asm/io.h>
42#include <asm/irq.h>
43
44#include <../drivers/scsi/scsi.h>
45#include <scsi/scsi_host.h>
46
47#include <scsi/scsi.h>
48#include <scsi/scsi_ioctl.h>
49
50#include <pcmcia/cistpl.h>
51#include <pcmcia/cisreg.h>
52#include <pcmcia/ds.h>
53
54#include "nsp_cs.h"
55
56MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>");
57MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module");
58MODULE_SUPPORTED_DEVICE("sd,sr,sg,st");
59#ifdef MODULE_LICENSE
60MODULE_LICENSE("GPL");
61#endif
62
63#include "nsp_io.h"
64
65
66
67
68static int nsp_burst_mode = BURST_MEM32;
69module_param(nsp_burst_mode, int, 0);
70MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))");
71
72
73static bool free_ports = 0;
74module_param(free_ports, bool, 0);
75MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))");
76
77static struct scsi_host_template nsp_driver_template = {
78 .proc_name = "nsp_cs",
79 .show_info = nsp_show_info,
80 .name = "WorkBit NinjaSCSI-3/32Bi(16bit)",
81 .info = nsp_info,
82 .queuecommand = nsp_queuecommand,
83
84 .eh_bus_reset_handler = nsp_eh_bus_reset,
85 .eh_host_reset_handler = nsp_eh_host_reset,
86 .can_queue = 1,
87 .this_id = NSP_INITIATOR_ID,
88 .sg_tablesize = SG_ALL,
89 .use_clustering = DISABLE_CLUSTERING,
90};
91
92static nsp_hw_data nsp_data_base;
93
94
95
96
97
98
99#ifndef NSP_DEBUG
100# define NSP_DEBUG_MASK 0x000000
101# define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args)
102# define nsp_dbg(mask, args...)
103#else
104# define NSP_DEBUG_MASK 0xffffff
105# define nsp_msg(type, args...) \
106 nsp_cs_message (__func__, __LINE__, (type), args)
107# define nsp_dbg(mask, args...) \
108 nsp_cs_dmessage(__func__, __LINE__, (mask), args)
109#endif
110
111#define NSP_DEBUG_QUEUECOMMAND BIT(0)
112#define NSP_DEBUG_REGISTER BIT(1)
113#define NSP_DEBUG_AUTOSCSI BIT(2)
114#define NSP_DEBUG_INTR BIT(3)
115#define NSP_DEBUG_SGLIST BIT(4)
116#define NSP_DEBUG_BUSFREE BIT(5)
117#define NSP_DEBUG_CDB_CONTENTS BIT(6)
118#define NSP_DEBUG_RESELECTION BIT(7)
119#define NSP_DEBUG_MSGINOCCUR BIT(8)
120#define NSP_DEBUG_EEPROM BIT(9)
121#define NSP_DEBUG_MSGOUTOCCUR BIT(10)
122#define NSP_DEBUG_BUSRESET BIT(11)
123#define NSP_DEBUG_RESTART BIT(12)
124#define NSP_DEBUG_SYNC BIT(13)
125#define NSP_DEBUG_WAIT BIT(14)
126#define NSP_DEBUG_TARGETFLAG BIT(15)
127#define NSP_DEBUG_PROC BIT(16)
128#define NSP_DEBUG_INIT BIT(17)
129#define NSP_DEBUG_DATA_IO BIT(18)
130#define NSP_SPECIAL_PRINT_REGISTER BIT(20)
131
132#define NSP_DEBUG_BUF_LEN 150
133
134static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc)
135{
136 scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc);
137}
138
139static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...)
140{
141 va_list args;
142 char buf[NSP_DEBUG_BUF_LEN];
143
144 va_start(args, fmt);
145 vsnprintf(buf, sizeof(buf), fmt, args);
146 va_end(args);
147
148#ifndef NSP_DEBUG
149 printk("%snsp_cs: %s\n", type, buf);
150#else
151 printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf);
152#endif
153}
154
155#ifdef NSP_DEBUG
156static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...)
157{
158 va_list args;
159 char buf[NSP_DEBUG_BUF_LEN];
160
161 va_start(args, fmt);
162 vsnprintf(buf, sizeof(buf), fmt, args);
163 va_end(args);
164
165 if (mask & NSP_DEBUG_MASK) {
166 printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf);
167 }
168}
169#endif
170
171
172
173
174
175
176
177static void nsp_scsi_done(struct scsi_cmnd *SCpnt)
178{
179 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
180
181 data->CurrentSC = NULL;
182
183 SCpnt->scsi_done(SCpnt);
184}
185
186static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt,
187 void (*done)(struct scsi_cmnd *))
188{
189#ifdef NSP_DEBUG
190
191
192 unsigned char target = scmd_id(SCpnt);
193#endif
194 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
195
196 nsp_dbg(NSP_DEBUG_QUEUECOMMAND,
197 "SCpnt=0x%p target=%d lun=%llu sglist=0x%p bufflen=%d sg_count=%d",
198 SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt),
199 scsi_bufflen(SCpnt), scsi_sg_count(SCpnt));
200
201
202 SCpnt->scsi_done = done;
203
204 if (data->CurrentSC != NULL) {
205 nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen");
206 SCpnt->result = DID_BAD_TARGET << 16;
207 nsp_scsi_done(SCpnt);
208 return 0;
209 }
210
211#if 0
212
213
214 if (data->ScsiInfo->stop != 0) {
215 nsp_msg(KERN_INFO, "suspending device. reject command.");
216 SCpnt->result = DID_BAD_TARGET << 16;
217 nsp_scsi_done(SCpnt);
218 return SCSI_MLQUEUE_HOST_BUSY;
219 }
220#endif
221
222 show_command(SCpnt);
223
224 data->CurrentSC = SCpnt;
225
226 SCpnt->SCp.Status = CHECK_CONDITION;
227 SCpnt->SCp.Message = 0;
228 SCpnt->SCp.have_data_in = IO_UNKNOWN;
229 SCpnt->SCp.sent_command = 0;
230 SCpnt->SCp.phase = PH_UNDETERMINED;
231 scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
232
233
234
235
236
237
238
239 if (scsi_bufflen(SCpnt)) {
240 SCpnt->SCp.buffer = scsi_sglist(SCpnt);
241 SCpnt->SCp.ptr = BUFFER_ADDR;
242 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
243 SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1;
244 } else {
245 SCpnt->SCp.ptr = NULL;
246 SCpnt->SCp.this_residual = 0;
247 SCpnt->SCp.buffer = NULL;
248 SCpnt->SCp.buffers_residual = 0;
249 }
250
251 if (nsphw_start_selection(SCpnt) == FALSE) {
252 nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail");
253 SCpnt->result = DID_BUS_BUSY << 16;
254 nsp_scsi_done(SCpnt);
255 return 0;
256 }
257
258
259
260#ifdef NSP_DEBUG
261 data->CmdId++;
262#endif
263 return 0;
264}
265
266static DEF_SCSI_QCMD(nsp_queuecommand)
267
268
269
270
271static void nsp_setup_fifo(nsp_hw_data *data, int enabled)
272{
273 unsigned int base = data->BaseAddress;
274 unsigned char transfer_mode_reg;
275
276
277
278 if (enabled != FALSE) {
279 transfer_mode_reg = TRANSFER_GO | BRAIND;
280 } else {
281 transfer_mode_reg = 0;
282 }
283
284 transfer_mode_reg |= data->TransferMode;
285
286 nsp_index_write(base, TRANSFERMODE, transfer_mode_reg);
287}
288
289static void nsphw_init_sync(nsp_hw_data *data)
290{
291 sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET,
292 .SyncPeriod = 0,
293 .SyncOffset = 0
294 };
295 int i;
296
297
298 for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) {
299 data->Sync[i] = tmp_sync;
300 }
301}
302
303
304
305
306static int nsphw_init(nsp_hw_data *data)
307{
308 unsigned int base = data->BaseAddress;
309
310 nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base);
311
312 data->ScsiClockDiv = CLOCK_40M | FAST_20;
313 data->CurrentSC = NULL;
314 data->FifoCount = 0;
315 data->TransferMode = MODE_IO8;
316
317 nsphw_init_sync(data);
318
319
320 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
321
322
323 nsp_write(base, IFSELECT, IF_IFSEL);
324
325 nsp_index_write(base, SCSIIRQMODE, 0);
326
327 nsp_index_write(base, TRANSFERMODE, MODE_IO8);
328 nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv);
329
330 nsp_index_write(base, PARITYCTRL, 0);
331 nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
332 ACK_COUNTER_CLEAR |
333 REQ_COUNTER_CLEAR |
334 HOST_COUNTER_CLEAR);
335
336
337 nsp_write(base, IFSELECT, IF_REGSEL);
338 nsp_index_write(base, TERMPWRCTRL, 0);
339 if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) {
340 nsp_msg(KERN_INFO, "terminator power on");
341 nsp_index_write(base, TERMPWRCTRL, POWER_ON);
342 }
343
344 nsp_index_write(base, TIMERCOUNT, 0);
345 nsp_index_write(base, TIMERCOUNT, 0);
346
347 nsp_index_write(base, SYNCREG, 0);
348 nsp_index_write(base, ACKWIDTH, 0);
349
350
351 nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI |
352 RESELECT_EI |
353 SCSI_RESET_IRQ_EI );
354 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
355
356 nsp_setup_fifo(data, FALSE);
357
358 return TRUE;
359}
360
361
362
363
364static int nsphw_start_selection(struct scsi_cmnd *SCpnt)
365{
366 unsigned int host_id = SCpnt->device->host->this_id;
367 unsigned int base = SCpnt->device->host->io_port;
368 unsigned char target = scmd_id(SCpnt);
369 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
370 int time_out;
371 unsigned char phase, arbit;
372
373
374
375 phase = nsp_index_read(base, SCSIBUSMON);
376 if(phase != BUSMON_BUS_FREE) {
377
378 return FALSE;
379 }
380
381
382
383 SCpnt->SCp.phase = PH_ARBSTART;
384 nsp_index_write(base, SETARBIT, ARBIT_GO);
385
386 time_out = 1000;
387 do {
388
389 arbit = nsp_index_read(base, ARBITSTATUS);
390
391 udelay(1);
392 } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 &&
393 (time_out-- != 0));
394
395 if (!(arbit & ARBIT_WIN)) {
396
397 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
398 return FALSE;
399 }
400
401
402
403 SCpnt->SCp.phase = PH_SELSTART;
404 udelay(3);
405 nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target));
406 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN);
407 udelay(2);
408 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN);
409 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
410
411 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN);
412
413
414 nsp_start_timer(SCpnt, 1000/51);
415 data->SelectionTimeOut = 1;
416
417 return TRUE;
418}
419
420struct nsp_sync_table {
421 unsigned int min_period;
422 unsigned int max_period;
423 unsigned int chip_period;
424 unsigned int ack_width;
425};
426
427static struct nsp_sync_table nsp_sync_table_40M[] = {
428 {0x0c, 0x0c, 0x1, 0},
429 {0x19, 0x19, 0x3, 1},
430 {0x1a, 0x25, 0x5, 2},
431 {0x26, 0x32, 0x7, 3},
432 { 0, 0, 0, 0},
433};
434
435static struct nsp_sync_table nsp_sync_table_20M[] = {
436 {0x19, 0x19, 0x1, 0},
437 {0x1a, 0x25, 0x2, 0},
438 {0x26, 0x32, 0x3, 1},
439 { 0, 0, 0, 0},
440};
441
442
443
444
445static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt)
446{
447 unsigned char target = scmd_id(SCpnt);
448
449 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
450 sync_data *sync = &(data->Sync[target]);
451 struct nsp_sync_table *sync_table;
452 unsigned int period, offset;
453 int i;
454
455
456 nsp_dbg(NSP_DEBUG_SYNC, "in");
457
458 period = sync->SyncPeriod;
459 offset = sync->SyncOffset;
460
461 nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset);
462
463 if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) {
464 sync_table = nsp_sync_table_20M;
465 } else {
466 sync_table = nsp_sync_table_40M;
467 }
468
469 for ( i = 0; sync_table->max_period != 0; i++, sync_table++) {
470 if ( period >= sync_table->min_period &&
471 period <= sync_table->max_period ) {
472 break;
473 }
474 }
475
476 if (period != 0 && sync_table->max_period == 0) {
477
478
479
480 nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset");
481
482 sync->SyncPeriod = 0;
483 sync->SyncOffset = 0;
484 sync->SyncRegister = 0;
485 sync->AckWidth = 0;
486
487 return FALSE;
488 }
489
490 sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) |
491 (offset & SYNCREG_OFFSET_MASK);
492 sync->AckWidth = sync_table->ack_width;
493
494 nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth);
495
496 return TRUE;
497}
498
499
500
501
502
503static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time)
504{
505 unsigned int base = SCpnt->device->host->io_port;
506 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
507
508
509 data->TimerCount = time;
510 nsp_index_write(base, TIMERCOUNT, time);
511}
512
513
514
515
516static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask,
517 char *str)
518{
519 unsigned int base = SCpnt->device->host->io_port;
520 unsigned char reg;
521 int time_out;
522
523
524
525 time_out = 100;
526
527 do {
528 reg = nsp_index_read(base, SCSIBUSMON);
529 if (reg == 0xff) {
530 break;
531 }
532 } while ((--time_out != 0) && (reg & mask) != 0);
533
534 if (time_out == 0) {
535 nsp_msg(KERN_DEBUG, " %s signal off timeout", str);
536 }
537
538 return 0;
539}
540
541
542
543
544static int nsp_expect_signal(struct scsi_cmnd *SCpnt,
545 unsigned char current_phase,
546 unsigned char mask)
547{
548 unsigned int base = SCpnt->device->host->io_port;
549 int time_out;
550 unsigned char phase, i_src;
551
552
553
554 time_out = 100;
555 do {
556 phase = nsp_index_read(base, SCSIBUSMON);
557 if (phase == 0xff) {
558
559 return -1;
560 }
561 i_src = nsp_read(base, IRQSTATUS);
562 if (i_src & IRQSTATUS_SCSI) {
563
564 return 0;
565 }
566 if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) {
567
568 return 1;
569 }
570 } while(time_out-- != 0);
571
572
573 return -1;
574}
575
576
577
578
579static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase)
580{
581 unsigned int base = SCpnt->device->host->io_port;
582 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
583 char *buf = data->MsgBuffer;
584 int len = min(MSGBUF_SIZE, data->MsgLen);
585 int ptr;
586 int ret;
587
588
589 for (ptr = 0; len > 0; len--, ptr++) {
590
591 ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ);
592 if (ret <= 0) {
593 nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit");
594 return 0;
595 }
596
597
598 if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) {
599 nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB);
600 }
601
602
603 if (phase & BUSMON_IO) {
604 nsp_dbg(NSP_DEBUG_DATA_IO, "read msg");
605 buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK);
606 } else {
607 nsp_dbg(NSP_DEBUG_DATA_IO, "write msg");
608 nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]);
609 }
610 nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>");
611
612 }
613 return len;
614}
615
616
617
618
619static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt)
620{
621 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
622 unsigned int count;
623
624
625
626 if (SCpnt->SCp.have_data_in != IO_IN) {
627 return 0;
628 }
629
630 count = nsp_fifo_count(SCpnt);
631 if (data->FifoCount == count) {
632
633 return 0;
634 }
635
636
637
638
639
640 nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk");
641 SCpnt->SCp.phase = PH_DATA;
642 nsp_pio_read(SCpnt);
643 nsp_setup_fifo(data, FALSE);
644
645 return 0;
646}
647
648
649
650
651static int nsp_reselected(struct scsi_cmnd *SCpnt)
652{
653 unsigned int base = SCpnt->device->host->io_port;
654 unsigned int host_id = SCpnt->device->host->this_id;
655
656 unsigned char bus_reg;
657 unsigned char id_reg, tmp;
658 int target;
659
660 nsp_dbg(NSP_DEBUG_RESELECTION, "in");
661
662 id_reg = nsp_index_read(base, RESELECTID);
663 tmp = id_reg & (~BIT(host_id));
664 target = 0;
665 while(tmp != 0) {
666 if (tmp & BIT(0)) {
667 break;
668 }
669 tmp >>= 1;
670 target++;
671 }
672
673 if (scmd_id(SCpnt) != target) {
674 nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target);
675 }
676
677 nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>");
678
679 nsp_nexus(SCpnt);
680 bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN);
681 nsp_index_write(base, SCSIBUSCTRL, bus_reg);
682 nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB);
683
684 return TRUE;
685}
686
687
688
689
690static int nsp_fifo_count(struct scsi_cmnd *SCpnt)
691{
692 unsigned int base = SCpnt->device->host->io_port;
693 unsigned int count;
694 unsigned int l, m, h, dummy;
695
696 nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER);
697
698 l = nsp_index_read(base, TRANSFERCOUNT);
699 m = nsp_index_read(base, TRANSFERCOUNT);
700 h = nsp_index_read(base, TRANSFERCOUNT);
701 dummy = nsp_index_read(base, TRANSFERCOUNT);
702
703 count = (h << 16) | (m << 8) | (l << 0);
704
705
706
707 return count;
708}
709
710
711#define RFIFO_CRIT 64
712#define WFIFO_CRIT 64
713
714
715
716
717static void nsp_pio_read(struct scsi_cmnd *SCpnt)
718{
719 unsigned int base = SCpnt->device->host->io_port;
720 unsigned long mmio_base = SCpnt->device->host->base;
721 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
722 long time_out;
723 int ocount, res;
724 unsigned char stat, fifo_stat;
725
726 ocount = data->FifoCount;
727
728 nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d",
729 SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr,
730 SCpnt->SCp.this_residual, SCpnt->SCp.buffer,
731 SCpnt->SCp.buffers_residual);
732
733 time_out = 1000;
734
735 while ((time_out-- != 0) &&
736 (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) {
737
738 stat = nsp_index_read(base, SCSIBUSMON);
739 stat &= BUSMON_PHASE_MASK;
740
741
742 res = nsp_fifo_count(SCpnt) - ocount;
743
744 if (res == 0) {
745 if (stat == BUSPHASE_DATA_IN) {
746
747 continue;
748 } else {
749 nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat);
750 break;
751 }
752 }
753
754 fifo_stat = nsp_read(base, FIFOSTATUS);
755 if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 &&
756 stat == BUSPHASE_DATA_IN) {
757 continue;
758 }
759
760 res = min(res, SCpnt->SCp.this_residual);
761
762 switch (data->TransferMode) {
763 case MODE_IO32:
764 res &= ~(BIT(1)|BIT(0));
765 nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2);
766 break;
767 case MODE_IO8:
768 nsp_fifo8_read (base, SCpnt->SCp.ptr, res );
769 break;
770
771 case MODE_MEM32:
772 res &= ~(BIT(1)|BIT(0));
773 nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2);
774 break;
775
776 default:
777 nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode");
778 return;
779 }
780
781 nsp_inc_resid(SCpnt, -res);
782 SCpnt->SCp.ptr += res;
783 SCpnt->SCp.this_residual -= res;
784 ocount += res;
785
786
787
788 if (SCpnt->SCp.this_residual == 0 &&
789 SCpnt->SCp.buffers_residual != 0 ) {
790
791 SCpnt->SCp.buffers_residual--;
792 SCpnt->SCp.buffer++;
793 SCpnt->SCp.ptr = BUFFER_ADDR;
794 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
795 time_out = 1000;
796
797
798 }
799 }
800
801 data->FifoCount = ocount;
802
803 if (time_out < 0) {
804 nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d",
805 scsi_get_resid(SCpnt), SCpnt->SCp.this_residual,
806 SCpnt->SCp.buffers_residual);
807 }
808 nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount);
809 nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId,
810 scsi_get_resid(SCpnt));
811}
812
813
814
815
816static void nsp_pio_write(struct scsi_cmnd *SCpnt)
817{
818 unsigned int base = SCpnt->device->host->io_port;
819 unsigned long mmio_base = SCpnt->device->host->base;
820 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
821 int time_out;
822 int ocount, res;
823 unsigned char stat;
824
825 ocount = data->FifoCount;
826
827 nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x",
828 data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual,
829 SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual,
830 scsi_get_resid(SCpnt));
831
832 time_out = 1000;
833
834 while ((time_out-- != 0) &&
835 (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) {
836 stat = nsp_index_read(base, SCSIBUSMON);
837 stat &= BUSMON_PHASE_MASK;
838
839 if (stat != BUSPHASE_DATA_OUT) {
840 res = ocount - nsp_fifo_count(SCpnt);
841
842 nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res);
843
844 nsp_inc_resid(SCpnt, res);
845 SCpnt->SCp.ptr -= res;
846 SCpnt->SCp.this_residual += res;
847 ocount -= res;
848
849 break;
850 }
851
852 res = ocount - nsp_fifo_count(SCpnt);
853 if (res > 0) {
854 nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res);
855 continue;
856 }
857
858 res = min(SCpnt->SCp.this_residual, WFIFO_CRIT);
859
860
861 switch (data->TransferMode) {
862 case MODE_IO32:
863 res &= ~(BIT(1)|BIT(0));
864 nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2);
865 break;
866 case MODE_IO8:
867 nsp_fifo8_write (base, SCpnt->SCp.ptr, res );
868 break;
869
870 case MODE_MEM32:
871 res &= ~(BIT(1)|BIT(0));
872 nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2);
873 break;
874
875 default:
876 nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode");
877 break;
878 }
879
880 nsp_inc_resid(SCpnt, -res);
881 SCpnt->SCp.ptr += res;
882 SCpnt->SCp.this_residual -= res;
883 ocount += res;
884
885
886 if (SCpnt->SCp.this_residual == 0 &&
887 SCpnt->SCp.buffers_residual != 0 ) {
888
889 SCpnt->SCp.buffers_residual--;
890 SCpnt->SCp.buffer++;
891 SCpnt->SCp.ptr = BUFFER_ADDR;
892 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
893 time_out = 1000;
894 }
895 }
896
897 data->FifoCount = ocount;
898
899 if (time_out < 0) {
900 nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x",
901 scsi_get_resid(SCpnt));
902 }
903 nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount);
904 nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId,
905 scsi_get_resid(SCpnt));
906}
907#undef RFIFO_CRIT
908#undef WFIFO_CRIT
909
910
911
912
913static int nsp_nexus(struct scsi_cmnd *SCpnt)
914{
915 unsigned int base = SCpnt->device->host->io_port;
916 unsigned char target = scmd_id(SCpnt);
917
918 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
919 sync_data *sync = &(data->Sync[target]);
920
921
922
923
924 nsp_index_write(base, SYNCREG, sync->SyncRegister);
925 nsp_index_write(base, ACKWIDTH, sync->AckWidth);
926
927 if (scsi_get_resid(SCpnt) % 4 != 0 ||
928 scsi_get_resid(SCpnt) <= PAGE_SIZE ) {
929 data->TransferMode = MODE_IO8;
930 } else if (nsp_burst_mode == BURST_MEM32) {
931 data->TransferMode = MODE_MEM32;
932 } else if (nsp_burst_mode == BURST_IO32) {
933 data->TransferMode = MODE_IO32;
934 } else {
935 data->TransferMode = MODE_IO8;
936 }
937
938
939 nsp_setup_fifo(data, TRUE);
940
941
942 data->FifoCount = 0;
943 nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
944 ACK_COUNTER_CLEAR |
945 REQ_COUNTER_CLEAR |
946 HOST_COUNTER_CLEAR);
947
948 return 0;
949}
950
951#include "nsp_message.c"
952
953
954
955static irqreturn_t nspintr(int irq, void *dev_id)
956{
957 unsigned int base;
958 unsigned char irq_status, irq_phase, phase;
959 struct scsi_cmnd *tmpSC;
960 unsigned char target, lun;
961 unsigned int *sync_neg;
962 int i, tmp;
963 nsp_hw_data *data;
964
965
966
967
968
969 if ( dev_id != NULL &&
970 ((scsi_info_t *)dev_id)->host != NULL ) {
971 scsi_info_t *info = (scsi_info_t *)dev_id;
972
973 data = (nsp_hw_data *)info->host->hostdata;
974 } else {
975 nsp_dbg(NSP_DEBUG_INTR, "host data wrong");
976 return IRQ_NONE;
977 }
978
979
980
981 base = data->BaseAddress;
982
983
984
985
986
987 nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE);
988 irq_status = nsp_read(base, IRQSTATUS);
989
990 if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) {
991 nsp_write(base, IRQCONTROL, 0);
992
993 return IRQ_NONE;
994 }
995
996
997
998
999
1000 phase = nsp_index_read(base, SCSIBUSMON);
1001 if((irq_status & IRQSTATUS_SCSI) != 0) {
1002 irq_phase = nsp_index_read(base, IRQPHASESENCE);
1003 } else {
1004 irq_phase = 0;
1005 }
1006
1007
1008
1009
1010
1011
1012
1013 if (data->TimerCount != 0) {
1014
1015 nsp_index_write(base, TIMERCOUNT, 0);
1016 nsp_index_write(base, TIMERCOUNT, 0);
1017 data->TimerCount = 0;
1018 }
1019
1020 if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER &&
1021 data->SelectionTimeOut == 0) {
1022
1023 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR);
1024 return IRQ_HANDLED;
1025 }
1026
1027 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR);
1028
1029 if ((irq_status & IRQSTATUS_SCSI) &&
1030 (irq_phase & SCSI_RESET_IRQ)) {
1031 nsp_msg(KERN_ERR, "bus reset (power off?)");
1032
1033 nsphw_init(data);
1034 nsp_bus_reset(data);
1035
1036 if(data->CurrentSC != NULL) {
1037 tmpSC = data->CurrentSC;
1038 tmpSC->result = (DID_RESET << 16) |
1039 ((tmpSC->SCp.Message & 0xff) << 8) |
1040 ((tmpSC->SCp.Status & 0xff) << 0);
1041 nsp_scsi_done(tmpSC);
1042 }
1043 return IRQ_HANDLED;
1044 }
1045
1046 if (data->CurrentSC == NULL) {
1047 nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase);
1048 nsphw_init(data);
1049 nsp_bus_reset(data);
1050 return IRQ_HANDLED;
1051 }
1052
1053 tmpSC = data->CurrentSC;
1054 target = tmpSC->device->id;
1055 lun = tmpSC->device->lun;
1056 sync_neg = &(data->Sync[target].SyncNegotiation);
1057
1058
1059
1060
1061 if (irq_status & IRQSTATUS_SCSI) {
1062 if (irq_phase & RESELECT_IRQ) {
1063 nsp_dbg(NSP_DEBUG_INTR, "reselect");
1064 nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR);
1065 if (nsp_reselected(tmpSC) != FALSE) {
1066 return IRQ_HANDLED;
1067 }
1068 }
1069
1070 if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) {
1071 return IRQ_HANDLED;
1072 }
1073 }
1074
1075
1076
1077 switch(tmpSC->SCp.phase) {
1078 case PH_SELSTART:
1079
1080 if ((phase & BUSMON_BSY) == 0) {
1081
1082 if (data->SelectionTimeOut >= NSP_SELTIMEOUT) {
1083 nsp_dbg(NSP_DEBUG_INTR, "selection time out");
1084 data->SelectionTimeOut = 0;
1085 nsp_index_write(base, SCSIBUSCTRL, 0);
1086
1087 tmpSC->result = DID_TIME_OUT << 16;
1088 nsp_scsi_done(tmpSC);
1089
1090 return IRQ_HANDLED;
1091 }
1092 data->SelectionTimeOut += 1;
1093 nsp_start_timer(tmpSC, 1000/51);
1094 return IRQ_HANDLED;
1095 }
1096
1097
1098
1099 data->SelectionTimeOut = 0;
1100 tmpSC->SCp.phase = PH_SELECTED;
1101 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN);
1102 udelay(1);
1103 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB);
1104 return IRQ_HANDLED;
1105
1106 break;
1107
1108 case PH_RESELECT:
1109
1110
1111 if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) {
1112
1113 tmpSC->result = DID_ABORT << 16;
1114 nsp_scsi_done(tmpSC);
1115 return IRQ_HANDLED;
1116 }
1117
1118 default:
1119 if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) {
1120 return IRQ_HANDLED;
1121 }
1122 break;
1123 }
1124
1125
1126
1127
1128
1129
1130
1131 if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) &&
1132 (irq_phase & LATCHED_BUS_FREE) != 0 ) {
1133 nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
1134
1135
1136
1137 if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) {
1138 tmpSC->result = (DID_OK << 16) |
1139 ((tmpSC->SCp.Message & 0xff) << 8) |
1140 ((tmpSC->SCp.Status & 0xff) << 0);
1141 nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result);
1142 nsp_scsi_done(tmpSC);
1143
1144 return IRQ_HANDLED;
1145 }
1146
1147 return IRQ_HANDLED;
1148 }
1149
1150
1151
1152 if (phase == 0) {
1153 nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
1154
1155 *sync_neg = SYNC_NG;
1156 tmpSC->result = DID_ERROR << 16;
1157 nsp_scsi_done(tmpSC);
1158 return IRQ_HANDLED;
1159 }
1160
1161 switch (phase & BUSMON_PHASE_MASK) {
1162 case BUSPHASE_COMMAND:
1163 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND");
1164 if ((phase & BUSMON_REQ) == 0) {
1165 nsp_dbg(NSP_DEBUG_INTR, "REQ == 0");
1166 return IRQ_HANDLED;
1167 }
1168
1169 tmpSC->SCp.phase = PH_COMMAND;
1170
1171 nsp_nexus(tmpSC);
1172
1173
1174 nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len);
1175 nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER);
1176 for (i = 0; i < tmpSC->cmd_len; i++) {
1177 nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]);
1178 }
1179 nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO);
1180 break;
1181
1182 case BUSPHASE_DATA_OUT:
1183 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT");
1184
1185 tmpSC->SCp.phase = PH_DATA;
1186 tmpSC->SCp.have_data_in = IO_OUT;
1187
1188 nsp_pio_write(tmpSC);
1189
1190 break;
1191
1192 case BUSPHASE_DATA_IN:
1193 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN");
1194
1195 tmpSC->SCp.phase = PH_DATA;
1196 tmpSC->SCp.have_data_in = IO_IN;
1197
1198 nsp_pio_read(tmpSC);
1199
1200 break;
1201
1202 case BUSPHASE_STATUS:
1203 nsp_dataphase_bypass(tmpSC);
1204 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS");
1205
1206 tmpSC->SCp.phase = PH_STATUS;
1207
1208 tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK);
1209 nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status);
1210
1211 break;
1212
1213 case BUSPHASE_MESSAGE_OUT:
1214 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT");
1215 if ((phase & BUSMON_REQ) == 0) {
1216 goto timer_out;
1217 }
1218
1219 tmpSC->SCp.phase = PH_MSG_OUT;
1220
1221
1222
1223 data->MsgLen = i = 0;
1224 data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++;
1225
1226 if (*sync_neg == SYNC_NOT_YET) {
1227 data->Sync[target].SyncPeriod = 0;
1228 data->Sync[target].SyncOffset = 0;
1229
1230
1231 data->MsgBuffer[i] = MSG_EXTENDED; i++;
1232 data->MsgBuffer[i] = 3; i++;
1233 data->MsgBuffer[i] = MSG_EXT_SDTR; i++;
1234 data->MsgBuffer[i] = 0x0c; i++;
1235 data->MsgBuffer[i] = 15; i++;
1236
1237 }
1238 data->MsgLen = i;
1239
1240 nsp_analyze_sdtr(tmpSC);
1241 show_message(data);
1242 nsp_message_out(tmpSC);
1243 break;
1244
1245 case BUSPHASE_MESSAGE_IN:
1246 nsp_dataphase_bypass(tmpSC);
1247 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN");
1248 if ((phase & BUSMON_REQ) == 0) {
1249 goto timer_out;
1250 }
1251
1252 tmpSC->SCp.phase = PH_MSG_IN;
1253 nsp_message_in(tmpSC);
1254
1255
1256 if (*sync_neg == SYNC_NOT_YET) {
1257
1258
1259 if (data->MsgLen >= 5 &&
1260 data->MsgBuffer[0] == MSG_EXTENDED &&
1261 data->MsgBuffer[1] == 3 &&
1262 data->MsgBuffer[2] == MSG_EXT_SDTR ) {
1263 data->Sync[target].SyncPeriod = data->MsgBuffer[3];
1264 data->Sync[target].SyncOffset = data->MsgBuffer[4];
1265
1266 *sync_neg = SYNC_OK;
1267 } else {
1268 data->Sync[target].SyncPeriod = 0;
1269 data->Sync[target].SyncOffset = 0;
1270 *sync_neg = SYNC_NG;
1271 }
1272 nsp_analyze_sdtr(tmpSC);
1273 }
1274
1275
1276
1277 tmp = -1;
1278 for (i = 0; i < data->MsgLen; i++) {
1279 tmp = data->MsgBuffer[i];
1280 if (data->MsgBuffer[i] == MSG_EXTENDED) {
1281 i += (1 + data->MsgBuffer[i+1]);
1282 }
1283 }
1284 tmpSC->SCp.Message = tmp;
1285
1286 nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen);
1287 show_message(data);
1288
1289 break;
1290
1291 case BUSPHASE_SELECT:
1292 default:
1293 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other");
1294
1295 break;
1296 }
1297
1298
1299 return IRQ_HANDLED;
1300
1301timer_out:
1302 nsp_start_timer(tmpSC, 1000/102);
1303 return IRQ_HANDLED;
1304}
1305
1306#ifdef NSP_DEBUG
1307#include "nsp_debug.c"
1308#endif
1309
1310
1311
1312
1313static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht)
1314{
1315 struct Scsi_Host *host;
1316 nsp_hw_data *data_b = &nsp_data_base, *data;
1317
1318 nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id);
1319 host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data));
1320 if (host == NULL) {
1321 nsp_dbg(NSP_DEBUG_INIT, "host failed");
1322 return NULL;
1323 }
1324
1325 memcpy(host->hostdata, data_b, sizeof(nsp_hw_data));
1326 data = (nsp_hw_data *)host->hostdata;
1327 data->ScsiInfo->host = host;
1328#ifdef NSP_DEBUG
1329 data->CmdId = 0;
1330#endif
1331
1332 nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber);
1333
1334 host->unique_id = data->BaseAddress;
1335 host->io_port = data->BaseAddress;
1336 host->n_io_port = data->NumAddress;
1337 host->irq = data->IrqNumber;
1338 host->base = data->MmioAddress;
1339
1340 spin_lock_init(&(data->Lock));
1341
1342 snprintf(data->nspinfo,
1343 sizeof(data->nspinfo),
1344 "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d",
1345 host->io_port, host->io_port + host->n_io_port - 1,
1346 host->base,
1347 host->irq);
1348 sht->name = data->nspinfo;
1349
1350 nsp_dbg(NSP_DEBUG_INIT, "end");
1351
1352
1353 return host;
1354}
1355
1356
1357
1358
1359static const char *nsp_info(struct Scsi_Host *shpnt)
1360{
1361 nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata;
1362
1363 return data->nspinfo;
1364}
1365
1366static int nsp_show_info(struct seq_file *m, struct Scsi_Host *host)
1367{
1368 int id;
1369 int speed;
1370 unsigned long flags;
1371 nsp_hw_data *data;
1372 int hostno;
1373
1374 hostno = host->host_no;
1375 data = (nsp_hw_data *)host->hostdata;
1376
1377 seq_puts(m, "NinjaSCSI status\n\n"
1378 "Driver version: $Revision: 1.23 $\n");
1379 seq_printf(m, "SCSI host No.: %d\n", hostno);
1380 seq_printf(m, "IRQ: %d\n", host->irq);
1381 seq_printf(m, "IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1);
1382 seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1);
1383 seq_printf(m, "sg_tablesize: %d\n", host->sg_tablesize);
1384
1385 seq_puts(m, "burst transfer mode: ");
1386 switch (nsp_burst_mode) {
1387 case BURST_IO8:
1388 seq_puts(m, "io8");
1389 break;
1390 case BURST_IO32:
1391 seq_puts(m, "io32");
1392 break;
1393 case BURST_MEM32:
1394 seq_puts(m, "mem32");
1395 break;
1396 default:
1397 seq_puts(m, "???");
1398 break;
1399 }
1400 seq_putc(m, '\n');
1401
1402
1403 spin_lock_irqsave(&(data->Lock), flags);
1404 seq_printf(m, "CurrentSC: 0x%p\n\n", data->CurrentSC);
1405 spin_unlock_irqrestore(&(data->Lock), flags);
1406
1407 seq_puts(m, "SDTR status\n");
1408 for(id = 0; id < ARRAY_SIZE(data->Sync); id++) {
1409
1410 seq_printf(m, "id %d: ", id);
1411
1412 if (id == host->this_id) {
1413 seq_puts(m, "----- NinjaSCSI-3 host adapter\n");
1414 continue;
1415 }
1416
1417 switch(data->Sync[id].SyncNegotiation) {
1418 case SYNC_OK:
1419 seq_puts(m, " sync");
1420 break;
1421 case SYNC_NG:
1422 seq_puts(m, "async");
1423 break;
1424 case SYNC_NOT_YET:
1425 seq_puts(m, " none");
1426 break;
1427 default:
1428 seq_puts(m, "?????");
1429 break;
1430 }
1431
1432 if (data->Sync[id].SyncPeriod != 0) {
1433 speed = 1000000 / (data->Sync[id].SyncPeriod * 4);
1434
1435 seq_printf(m, " transfer %d.%dMB/s, offset %d",
1436 speed / 1000,
1437 speed % 1000,
1438 data->Sync[id].SyncOffset
1439 );
1440 }
1441 seq_putc(m, '\n');
1442 }
1443 return 0;
1444}
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458static int nsp_bus_reset(nsp_hw_data *data)
1459{
1460 unsigned int base = data->BaseAddress;
1461 int i;
1462
1463 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
1464
1465 nsp_index_write(base, SCSIBUSCTRL, SCSI_RST);
1466 mdelay(100);
1467 nsp_index_write(base, SCSIBUSCTRL, 0);
1468 for(i = 0; i < 5; i++) {
1469 nsp_index_read(base, IRQPHASESENCE);
1470 }
1471
1472 nsphw_init_sync(data);
1473
1474 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
1475
1476 return SUCCESS;
1477}
1478
1479static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt)
1480{
1481 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
1482
1483 nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt);
1484
1485 return nsp_bus_reset(data);
1486}
1487
1488static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt)
1489{
1490 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
1491
1492 nsp_dbg(NSP_DEBUG_BUSRESET, "in");
1493
1494 nsphw_init(data);
1495
1496 return SUCCESS;
1497}
1498
1499
1500
1501
1502
1503
1504static int nsp_cs_probe(struct pcmcia_device *link)
1505{
1506 scsi_info_t *info;
1507 nsp_hw_data *data = &nsp_data_base;
1508 int ret;
1509
1510 nsp_dbg(NSP_DEBUG_INIT, "in");
1511
1512
1513 info = kzalloc(sizeof(*info), GFP_KERNEL);
1514 if (info == NULL) { return -ENOMEM; }
1515 info->p_dev = link;
1516 link->priv = info;
1517 data->ScsiInfo = info;
1518
1519 nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info);
1520
1521 ret = nsp_cs_config(link);
1522
1523 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
1524 return ret;
1525}
1526
1527
1528static void nsp_cs_detach(struct pcmcia_device *link)
1529{
1530 nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link);
1531
1532 ((scsi_info_t *)link->priv)->stop = 1;
1533 nsp_cs_release(link);
1534
1535 kfree(link->priv);
1536 link->priv = NULL;
1537}
1538
1539
1540static int nsp_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
1541{
1542 nsp_hw_data *data = priv_data;
1543
1544 if (p_dev->config_index == 0)
1545 return -ENODEV;
1546
1547
1548 if (pcmcia_request_io(p_dev) != 0)
1549 goto next_entry;
1550
1551 if (resource_size(p_dev->resource[2])) {
1552 p_dev->resource[2]->flags |= (WIN_DATA_WIDTH_16 |
1553 WIN_MEMORY_TYPE_CM |
1554 WIN_ENABLE);
1555 if (p_dev->resource[2]->end < 0x1000)
1556 p_dev->resource[2]->end = 0x1000;
1557 if (pcmcia_request_window(p_dev, p_dev->resource[2], 0) != 0)
1558 goto next_entry;
1559 if (pcmcia_map_mem_page(p_dev, p_dev->resource[2],
1560 p_dev->card_addr) != 0)
1561 goto next_entry;
1562
1563 data->MmioAddress = (unsigned long)
1564 ioremap_nocache(p_dev->resource[2]->start,
1565 resource_size(p_dev->resource[2]));
1566 data->MmioLength = resource_size(p_dev->resource[2]);
1567 }
1568
1569 return 0;
1570
1571next_entry:
1572 nsp_dbg(NSP_DEBUG_INIT, "next");
1573 pcmcia_disable_device(p_dev);
1574 return -ENODEV;
1575}
1576
1577static int nsp_cs_config(struct pcmcia_device *link)
1578{
1579 int ret;
1580 scsi_info_t *info = link->priv;
1581 struct Scsi_Host *host;
1582 nsp_hw_data *data = &nsp_data_base;
1583
1584 nsp_dbg(NSP_DEBUG_INIT, "in");
1585
1586 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
1587 CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IOMEM |
1588 CONF_AUTO_SET_IO;
1589
1590 ret = pcmcia_loop_config(link, nsp_cs_config_check, data);
1591 if (ret)
1592 goto cs_failed;
1593
1594 if (pcmcia_request_irq(link, nspintr))
1595 goto cs_failed;
1596
1597 ret = pcmcia_enable_device(link);
1598 if (ret)
1599 goto cs_failed;
1600
1601 if (free_ports) {
1602 if (link->resource[0]) {
1603 release_region(link->resource[0]->start,
1604 resource_size(link->resource[0]));
1605 }
1606 if (link->resource[1]) {
1607 release_region(link->resource[1]->start,
1608 resource_size(link->resource[1]));
1609 }
1610 }
1611
1612
1613 data->BaseAddress = link->resource[0]->start;
1614 data->NumAddress = resource_size(link->resource[0]);
1615 data->IrqNumber = link->irq;
1616
1617 nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d",
1618 data->BaseAddress, data->NumAddress, data->IrqNumber);
1619
1620 if(nsphw_init(data) == FALSE) {
1621 goto cs_failed;
1622 }
1623
1624 host = nsp_detect(&nsp_driver_template);
1625
1626 if (host == NULL) {
1627 nsp_dbg(NSP_DEBUG_INIT, "detect failed");
1628 goto cs_failed;
1629 }
1630
1631
1632 ret = scsi_add_host (host, NULL);
1633 if (ret)
1634 goto cs_failed;
1635
1636 scsi_scan_host(host);
1637
1638 info->host = host;
1639
1640 return 0;
1641
1642 cs_failed:
1643 nsp_dbg(NSP_DEBUG_INIT, "config fail");
1644 nsp_cs_release(link);
1645
1646 return -ENODEV;
1647}
1648
1649
1650static void nsp_cs_release(struct pcmcia_device *link)
1651{
1652 scsi_info_t *info = link->priv;
1653 nsp_hw_data *data = NULL;
1654
1655 if (info->host == NULL) {
1656 nsp_msg(KERN_DEBUG, "unexpected card release call.");
1657 } else {
1658 data = (nsp_hw_data *)info->host->hostdata;
1659 }
1660
1661 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
1662
1663
1664 if (info->host != NULL) {
1665 scsi_remove_host(info->host);
1666 }
1667
1668 if (resource_size(link->resource[2])) {
1669 if (data != NULL) {
1670 iounmap((void *)(data->MmioAddress));
1671 }
1672 }
1673 pcmcia_disable_device(link);
1674
1675 if (info->host != NULL) {
1676 scsi_host_put(info->host);
1677 }
1678}
1679
1680static int nsp_cs_suspend(struct pcmcia_device *link)
1681{
1682 scsi_info_t *info = link->priv;
1683 nsp_hw_data *data;
1684
1685 nsp_dbg(NSP_DEBUG_INIT, "event: suspend");
1686
1687 if (info->host != NULL) {
1688 nsp_msg(KERN_INFO, "clear SDTR status");
1689
1690 data = (nsp_hw_data *)info->host->hostdata;
1691
1692 nsphw_init_sync(data);
1693 }
1694
1695 info->stop = 1;
1696
1697 return 0;
1698}
1699
1700static int nsp_cs_resume(struct pcmcia_device *link)
1701{
1702 scsi_info_t *info = link->priv;
1703 nsp_hw_data *data;
1704
1705 nsp_dbg(NSP_DEBUG_INIT, "event: resume");
1706
1707 info->stop = 0;
1708
1709 if (info->host != NULL) {
1710 nsp_msg(KERN_INFO, "reset host and bus");
1711
1712 data = (nsp_hw_data *)info->host->hostdata;
1713
1714 nsphw_init (data);
1715 nsp_bus_reset(data);
1716 }
1717
1718 return 0;
1719}
1720
1721
1722
1723
1724static const struct pcmcia_device_id nsp_cs_ids[] = {
1725 PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a),
1726 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a),
1727 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a),
1728 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a),
1729 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a),
1730 PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e),
1731 PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a),
1732 PCMCIA_DEVICE_NULL
1733};
1734MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids);
1735
1736static struct pcmcia_driver nsp_driver = {
1737 .owner = THIS_MODULE,
1738 .name = "nsp_cs",
1739 .probe = nsp_cs_probe,
1740 .remove = nsp_cs_detach,
1741 .id_table = nsp_cs_ids,
1742 .suspend = nsp_cs_suspend,
1743 .resume = nsp_cs_resume,
1744};
1745
1746static int __init nsp_cs_init(void)
1747{
1748 return pcmcia_register_driver(&nsp_driver);
1749}
1750
1751static void __exit nsp_cs_exit(void)
1752{
1753 pcmcia_unregister_driver(&nsp_driver);
1754}
1755
1756
1757module_init(nsp_cs_init)
1758module_exit(nsp_cs_exit)
1759
1760
1761
