This source file includes following definitions.
- CMD_INC_RESID
- append_SC
- remove_first_SC
- remove_lun_SC
- remove_SC
- swintr
- aha152x_probe_one
- aha152x_release
- setup_expected_interrupts
- aha152x_internal_queue
- aha152x_queue_lck
- DEF_SCSI_QCMD
- aha152x_abort
- aha152x_device_reset
- free_hard_reset_SCs
- aha152x_bus_reset_host
- aha152x_bus_reset
- reset_ports
- aha152x_host_reset_host
- aha152x_biosparam
- done
- run
- intr
- busfree_run
- seldo_run
- selto_run
- seldi_run
- msgi_run
- msgi_end
- msgo_init
- msgo_run
- msgo_end
- cmd_init
- cmd_run
- cmd_end
- status_run
- datai_init
- datai_run
- datai_end
- datao_init
- datao_run
- datao_end
- update_state
- parerr_run
- rsti_run
- is_complete
- aha152x_error
- disp_enintr
- show_command
- show_queues
- get_command
- get_ports
- aha152x_set_info
- aha152x_show_info
- aha152x_adjust_queue
- aha152x_porttest
- tc1550_porttest
- checksetup
- aha152x_init
- aha152x_exit
- aha152x_setup
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227 #include <linux/module.h>
228 #include <asm/irq.h>
229 #include <linux/io.h>
230 #include <linux/blkdev.h>
231 #include <linux/completion.h>
232 #include <linux/errno.h>
233 #include <linux/string.h>
234 #include <linux/wait.h>
235 #include <linux/ioport.h>
236 #include <linux/delay.h>
237 #include <linux/proc_fs.h>
238 #include <linux/interrupt.h>
239 #include <linux/init.h>
240 #include <linux/kernel.h>
241 #include <linux/isapnp.h>
242 #include <linux/spinlock.h>
243 #include <linux/workqueue.h>
244 #include <linux/list.h>
245 #include <linux/slab.h>
246 #include <scsi/scsicam.h>
247
248 #include "scsi.h"
249 #include <scsi/scsi_dbg.h>
250 #include <scsi/scsi_host.h>
251 #include <scsi/scsi_transport_spi.h>
252 #include <scsi/scsi_eh.h>
253 #include "aha152x.h"
254
255 static LIST_HEAD(aha152x_host_list);
256
257
258
259
260
261 #if defined(AHA152X_PCMCIA) || defined(MODULE)
262 #if !defined(AUTOCONF)
263 #define AUTOCONF
264 #endif
265 #endif
266
267 #if !defined(AUTOCONF) && !defined(SETUP0)
268 #error define AUTOCONF or SETUP0
269 #endif
270
271 #define DO_LOCK(flags) spin_lock_irqsave(&QLOCK,flags)
272 #define DO_UNLOCK(flags) spin_unlock_irqrestore(&QLOCK,flags)
273
274 #define LEAD "(scsi%d:%d:%d) "
275 #define INFO_LEAD KERN_INFO LEAD
276 #define CMDINFO(cmd) \
277 (cmd) ? ((cmd)->device->host->host_no) : -1, \
278 (cmd) ? ((cmd)->device->id & 0x0f) : -1, \
279 (cmd) ? ((u8)(cmd)->device->lun & 0x07) : -1
280
281 static inline void
282 CMD_INC_RESID(struct scsi_cmnd *cmd, int inc)
283 {
284 scsi_set_resid(cmd, scsi_get_resid(cmd) + inc);
285 }
286
287 #define DELAY_DEFAULT 1000
288
289 #if defined(AHA152X_PCMCIA)
290 #define IRQ_MIN 0
291 #define IRQ_MAX 16
292 #else
293 #define IRQ_MIN 9
294 #if defined(__PPC)
295 #define IRQ_MAX (nr_irqs-1)
296 #else
297 #define IRQ_MAX 12
298 #endif
299 #endif
300
301 enum {
302 not_issued = 0x0001,
303 selecting = 0x0002,
304 identified = 0x0004,
305 disconnected = 0x0008,
306 completed = 0x0010,
307 aborted = 0x0020,
308 resetted = 0x0040,
309 spiordy = 0x0080,
310 syncneg = 0x0100,
311 aborting = 0x0200,
312 resetting = 0x0400,
313 check_condition = 0x0800,
314 };
315
316 MODULE_AUTHOR("Jürgen Fischer");
317 MODULE_DESCRIPTION(AHA152X_REVID);
318 MODULE_LICENSE("GPL");
319
320 #if !defined(AHA152X_PCMCIA)
321 #if defined(MODULE)
322 static int io[] = {0, 0};
323 module_param_hw_array(io, int, ioport, NULL, 0);
324 MODULE_PARM_DESC(io,"base io address of controller");
325
326 static int irq[] = {0, 0};
327 module_param_hw_array(irq, int, irq, NULL, 0);
328 MODULE_PARM_DESC(irq,"interrupt for controller");
329
330 static int scsiid[] = {7, 7};
331 module_param_array(scsiid, int, NULL, 0);
332 MODULE_PARM_DESC(scsiid,"scsi id of controller");
333
334 static int reconnect[] = {1, 1};
335 module_param_array(reconnect, int, NULL, 0);
336 MODULE_PARM_DESC(reconnect,"allow targets to disconnect");
337
338 static int parity[] = {1, 1};
339 module_param_array(parity, int, NULL, 0);
340 MODULE_PARM_DESC(parity,"use scsi parity");
341
342 static int sync[] = {1, 1};
343 module_param_array(sync, int, NULL, 0);
344 MODULE_PARM_DESC(sync,"use synchronous transfers");
345
346 static int delay[] = {DELAY_DEFAULT, DELAY_DEFAULT};
347 module_param_array(delay, int, NULL, 0);
348 MODULE_PARM_DESC(delay,"scsi reset delay");
349
350 static int exttrans[] = {0, 0};
351 module_param_array(exttrans, int, NULL, 0);
352 MODULE_PARM_DESC(exttrans,"use extended translation");
353
354 static int aha152x[] = {0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0};
355 module_param_array(aha152x, int, NULL, 0);
356 MODULE_PARM_DESC(aha152x, "parameters for first controller");
357
358 static int aha152x1[] = {0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0};
359 module_param_array(aha152x1, int, NULL, 0);
360 MODULE_PARM_DESC(aha152x1, "parameters for second controller");
361 #endif
362
363 #ifdef __ISAPNP__
364 static struct isapnp_device_id id_table[] = {
365 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1502), 0 },
366 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1505), 0 },
367 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1510), 0 },
368 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1515), 0 },
369 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1520), 0 },
370 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x2015), 0 },
371 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1522), 0 },
372 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x2215), 0 },
373 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1530), 0 },
374 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x3015), 0 },
375 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1532), 0 },
376 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x3215), 0 },
377 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x6360), 0 },
378 { ISAPNP_DEVICE_SINGLE_END, }
379 };
380 MODULE_DEVICE_TABLE(isapnp, id_table);
381 #endif
382
383 #endif
384
385 static struct scsi_host_template aha152x_driver_template;
386
387
388
389
390
391 enum aha152x_state {
392 idle=0,
393 unknown,
394 seldo,
395 seldi,
396 selto,
397 busfree,
398 msgo,
399 cmd,
400 msgi,
401 status,
402 datai,
403 datao,
404 parerr,
405 rsti,
406 maxstate
407 };
408
409
410
411
412
413 struct aha152x_hostdata {
414 struct scsi_cmnd *issue_SC;
415
416
417 struct scsi_cmnd *current_SC;
418
419
420 struct scsi_cmnd *disconnected_SC;
421
422
423 struct scsi_cmnd *done_SC;
424
425
426 spinlock_t lock;
427
428
429 #if defined(AHA152X_STAT)
430 int total_commands;
431 int disconnections;
432 int busfree_without_any_action;
433 int busfree_without_old_command;
434 int busfree_without_new_command;
435 int busfree_without_done_command;
436 int busfree_with_check_condition;
437 int count[maxstate];
438 int count_trans[maxstate];
439 unsigned long time[maxstate];
440 #endif
441
442 int commands;
443
444 int reconnect;
445 int parity;
446 int synchronous;
447 int delay;
448 int ext_trans;
449
450 int swint;
451 int service;
452 int in_intr;
453
454
455
456
457 enum aha152x_state state, prevstate, laststate;
458
459 int target;
460
461
462 unsigned char syncrate[8];
463
464
465 unsigned char syncneg[8];
466
467
468
469
470
471 int cmd_i;
472
473
474 int msgi_len;
475
476 unsigned char msgi[256];
477
478
479 int msgo_i, msgo_len;
480
481 unsigned char msgo[256];
482
483
484 int data_len;
485
486
487 unsigned long io_port0;
488 unsigned long io_port1;
489
490 #ifdef __ISAPNP__
491 struct pnp_dev *pnpdev;
492 #endif
493 struct list_head host_list;
494 };
495
496
497
498
499
500
501 struct aha152x_scdata {
502 struct scsi_cmnd *next;
503 struct completion *done;
504 struct scsi_eh_save ses;
505 };
506
507
508
509 #define HOSTDATA(shpnt) ((struct aha152x_hostdata *) &shpnt->hostdata)
510
511 #define HOSTNO ((shpnt)->host_no)
512
513 #define CURRENT_SC (HOSTDATA(shpnt)->current_SC)
514 #define DONE_SC (HOSTDATA(shpnt)->done_SC)
515 #define ISSUE_SC (HOSTDATA(shpnt)->issue_SC)
516 #define DISCONNECTED_SC (HOSTDATA(shpnt)->disconnected_SC)
517 #define QLOCK (HOSTDATA(shpnt)->lock)
518 #define QLOCKER (HOSTDATA(shpnt)->locker)
519 #define QLOCKERL (HOSTDATA(shpnt)->lockerl)
520
521 #define STATE (HOSTDATA(shpnt)->state)
522 #define PREVSTATE (HOSTDATA(shpnt)->prevstate)
523 #define LASTSTATE (HOSTDATA(shpnt)->laststate)
524
525 #define RECONN_TARGET (HOSTDATA(shpnt)->target)
526
527 #define CMD_I (HOSTDATA(shpnt)->cmd_i)
528
529 #define MSGO(i) (HOSTDATA(shpnt)->msgo[i])
530 #define MSGO_I (HOSTDATA(shpnt)->msgo_i)
531 #define MSGOLEN (HOSTDATA(shpnt)->msgo_len)
532 #define ADDMSGO(x) (MSGOLEN<256 ? (void)(MSGO(MSGOLEN++)=x) : aha152x_error(shpnt,"MSGO overflow"))
533
534 #define MSGI(i) (HOSTDATA(shpnt)->msgi[i])
535 #define MSGILEN (HOSTDATA(shpnt)->msgi_len)
536 #define ADDMSGI(x) (MSGILEN<256 ? (void)(MSGI(MSGILEN++)=x) : aha152x_error(shpnt,"MSGI overflow"))
537
538 #define DATA_LEN (HOSTDATA(shpnt)->data_len)
539
540 #define SYNCRATE (HOSTDATA(shpnt)->syncrate[CURRENT_SC->device->id])
541 #define SYNCNEG (HOSTDATA(shpnt)->syncneg[CURRENT_SC->device->id])
542
543 #define DELAY (HOSTDATA(shpnt)->delay)
544 #define EXT_TRANS (HOSTDATA(shpnt)->ext_trans)
545 #define TC1550 (HOSTDATA(shpnt)->tc1550)
546 #define RECONNECT (HOSTDATA(shpnt)->reconnect)
547 #define PARITY (HOSTDATA(shpnt)->parity)
548 #define SYNCHRONOUS (HOSTDATA(shpnt)->synchronous)
549
550 #define HOSTIOPORT0 (HOSTDATA(shpnt)->io_port0)
551 #define HOSTIOPORT1 (HOSTDATA(shpnt)->io_port1)
552
553 #define SCDATA(SCpnt) ((struct aha152x_scdata *) (SCpnt)->host_scribble)
554 #define SCNEXT(SCpnt) SCDATA(SCpnt)->next
555 #define SCSEM(SCpnt) SCDATA(SCpnt)->done
556
557 #define SG_ADDRESS(buffer) ((char *) sg_virt((buffer)))
558
559
560 static void seldi_run(struct Scsi_Host *shpnt);
561 static void seldo_run(struct Scsi_Host *shpnt);
562 static void selto_run(struct Scsi_Host *shpnt);
563 static void busfree_run(struct Scsi_Host *shpnt);
564
565 static void msgo_init(struct Scsi_Host *shpnt);
566 static void msgo_run(struct Scsi_Host *shpnt);
567 static void msgo_end(struct Scsi_Host *shpnt);
568
569 static void cmd_init(struct Scsi_Host *shpnt);
570 static void cmd_run(struct Scsi_Host *shpnt);
571 static void cmd_end(struct Scsi_Host *shpnt);
572
573 static void datai_init(struct Scsi_Host *shpnt);
574 static void datai_run(struct Scsi_Host *shpnt);
575 static void datai_end(struct Scsi_Host *shpnt);
576
577 static void datao_init(struct Scsi_Host *shpnt);
578 static void datao_run(struct Scsi_Host *shpnt);
579 static void datao_end(struct Scsi_Host *shpnt);
580
581 static void status_run(struct Scsi_Host *shpnt);
582
583 static void msgi_run(struct Scsi_Host *shpnt);
584 static void msgi_end(struct Scsi_Host *shpnt);
585
586 static void parerr_run(struct Scsi_Host *shpnt);
587 static void rsti_run(struct Scsi_Host *shpnt);
588
589 static void is_complete(struct Scsi_Host *shpnt);
590
591
592
593
594
595 static struct {
596 char *name;
597 void (*init)(struct Scsi_Host *);
598 void (*run)(struct Scsi_Host *);
599 void (*end)(struct Scsi_Host *);
600 int spio;
601 } states[] = {
602 { "idle", NULL, NULL, NULL, 0},
603 { "unknown", NULL, NULL, NULL, 0},
604 { "seldo", NULL, seldo_run, NULL, 0},
605 { "seldi", NULL, seldi_run, NULL, 0},
606 { "selto", NULL, selto_run, NULL, 0},
607 { "busfree", NULL, busfree_run, NULL, 0},
608 { "msgo", msgo_init, msgo_run, msgo_end, 1},
609 { "cmd", cmd_init, cmd_run, cmd_end, 1},
610 { "msgi", NULL, msgi_run, msgi_end, 1},
611 { "status", NULL, status_run, NULL, 1},
612 { "datai", datai_init, datai_run, datai_end, 0},
613 { "datao", datao_init, datao_run, datao_end, 0},
614 { "parerr", NULL, parerr_run, NULL, 0},
615 { "rsti", NULL, rsti_run, NULL, 0},
616 };
617
618
619 static irqreturn_t intr(int irq, void *dev_id);
620 static void reset_ports(struct Scsi_Host *shpnt);
621 static void aha152x_error(struct Scsi_Host *shpnt, char *msg);
622 static void done(struct Scsi_Host *shpnt, int error);
623
624
625 static void show_command(struct scsi_cmnd * ptr);
626 static void show_queues(struct Scsi_Host *shpnt);
627 static void disp_enintr(struct Scsi_Host *shpnt);
628
629
630
631
632
633
634 static inline void append_SC(struct scsi_cmnd **SC, struct scsi_cmnd *new_SC)
635 {
636 struct scsi_cmnd *end;
637
638 SCNEXT(new_SC) = NULL;
639 if (!*SC)
640 *SC = new_SC;
641 else {
642 for (end = *SC; SCNEXT(end); end = SCNEXT(end))
643 ;
644 SCNEXT(end) = new_SC;
645 }
646 }
647
648 static inline struct scsi_cmnd *remove_first_SC(struct scsi_cmnd ** SC)
649 {
650 struct scsi_cmnd *ptr;
651
652 ptr = *SC;
653 if (ptr) {
654 *SC = SCNEXT(*SC);
655 SCNEXT(ptr)=NULL;
656 }
657 return ptr;
658 }
659
660 static inline struct scsi_cmnd *remove_lun_SC(struct scsi_cmnd ** SC,
661 int target, int lun)
662 {
663 struct scsi_cmnd *ptr, *prev;
664
665 for (ptr = *SC, prev = NULL;
666 ptr && ((ptr->device->id != target) || (ptr->device->lun != lun));
667 prev = ptr, ptr = SCNEXT(ptr))
668 ;
669
670 if (ptr) {
671 if (prev)
672 SCNEXT(prev) = SCNEXT(ptr);
673 else
674 *SC = SCNEXT(ptr);
675
676 SCNEXT(ptr)=NULL;
677 }
678
679 return ptr;
680 }
681
682 static inline struct scsi_cmnd *remove_SC(struct scsi_cmnd **SC,
683 struct scsi_cmnd *SCp)
684 {
685 struct scsi_cmnd *ptr, *prev;
686
687 for (ptr = *SC, prev = NULL;
688 ptr && SCp!=ptr;
689 prev = ptr, ptr = SCNEXT(ptr))
690 ;
691
692 if (ptr) {
693 if (prev)
694 SCNEXT(prev) = SCNEXT(ptr);
695 else
696 *SC = SCNEXT(ptr);
697
698 SCNEXT(ptr)=NULL;
699 }
700
701 return ptr;
702 }
703
704 static irqreturn_t swintr(int irqno, void *dev_id)
705 {
706 struct Scsi_Host *shpnt = dev_id;
707
708 HOSTDATA(shpnt)->swint++;
709
710 SETPORT(DMACNTRL0, INTEN);
711 return IRQ_HANDLED;
712 }
713
714 struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *setup)
715 {
716 struct Scsi_Host *shpnt;
717
718 shpnt = scsi_host_alloc(&aha152x_driver_template, sizeof(struct aha152x_hostdata));
719 if (!shpnt) {
720 printk(KERN_ERR "aha152x: scsi_host_alloc failed\n");
721 return NULL;
722 }
723
724 memset(HOSTDATA(shpnt), 0, sizeof *HOSTDATA(shpnt));
725 INIT_LIST_HEAD(&HOSTDATA(shpnt)->host_list);
726
727
728 list_add_tail(&HOSTDATA(shpnt)->host_list, &aha152x_host_list);
729
730 shpnt->io_port = setup->io_port;
731 shpnt->n_io_port = IO_RANGE;
732 shpnt->irq = setup->irq;
733
734 if (!setup->tc1550) {
735 HOSTIOPORT0 = setup->io_port;
736 HOSTIOPORT1 = setup->io_port;
737 } else {
738 HOSTIOPORT0 = setup->io_port+0x10;
739 HOSTIOPORT1 = setup->io_port-0x10;
740 }
741
742 spin_lock_init(&QLOCK);
743 RECONNECT = setup->reconnect;
744 SYNCHRONOUS = setup->synchronous;
745 PARITY = setup->parity;
746 DELAY = setup->delay;
747 EXT_TRANS = setup->ext_trans;
748
749 SETPORT(SCSIID, setup->scsiid << 4);
750 shpnt->this_id = setup->scsiid;
751
752 if (setup->reconnect)
753 shpnt->can_queue = AHA152X_MAXQUEUE;
754
755
756 printk("aha152x: resetting bus...\n");
757 SETPORT(SCSISEQ, SCSIRSTO);
758 mdelay(256);
759 SETPORT(SCSISEQ, 0);
760 mdelay(DELAY);
761
762 reset_ports(shpnt);
763
764 printk(KERN_INFO
765 "aha152x%d%s: "
766 "vital data: rev=%x, "
767 "io=0x%03lx (0x%03lx/0x%03lx), "
768 "irq=%d, "
769 "scsiid=%d, "
770 "reconnect=%s, "
771 "parity=%s, "
772 "synchronous=%s, "
773 "delay=%d, "
774 "extended translation=%s\n",
775 shpnt->host_no, setup->tc1550 ? " (tc1550 mode)" : "",
776 GETPORT(REV) & 0x7,
777 shpnt->io_port, HOSTIOPORT0, HOSTIOPORT1,
778 shpnt->irq,
779 shpnt->this_id,
780 RECONNECT ? "enabled" : "disabled",
781 PARITY ? "enabled" : "disabled",
782 SYNCHRONOUS ? "enabled" : "disabled",
783 DELAY,
784 EXT_TRANS ? "enabled" : "disabled");
785
786
787 SETPORT(SIMODE0, 0);
788 SETPORT(SIMODE1, 0);
789
790 if (request_irq(shpnt->irq, swintr, IRQF_SHARED, "aha152x", shpnt)) {
791 printk(KERN_ERR "aha152x%d: irq %d busy.\n", shpnt->host_no, shpnt->irq);
792 goto out_host_put;
793 }
794
795 HOSTDATA(shpnt)->swint = 0;
796
797 printk(KERN_INFO "aha152x%d: trying software interrupt, ", shpnt->host_no);
798
799 mb();
800 SETPORT(DMACNTRL0, SWINT|INTEN);
801 mdelay(1000);
802 free_irq(shpnt->irq, shpnt);
803
804 if (!HOSTDATA(shpnt)->swint) {
805 if (TESTHI(DMASTAT, INTSTAT)) {
806 printk("lost.\n");
807 } else {
808 printk("failed.\n");
809 }
810
811 SETPORT(DMACNTRL0, INTEN);
812
813 printk(KERN_ERR "aha152x%d: irq %d possibly wrong. "
814 "Please verify.\n", shpnt->host_no, shpnt->irq);
815 goto out_host_put;
816 }
817 printk("ok.\n");
818
819
820
821 SETPORT(SSTAT0, 0x7f);
822 SETPORT(SSTAT1, 0xef);
823
824 if (request_irq(shpnt->irq, intr, IRQF_SHARED, "aha152x", shpnt)) {
825 printk(KERN_ERR "aha152x%d: failed to reassign irq %d.\n", shpnt->host_no, shpnt->irq);
826 goto out_host_put;
827 }
828
829 if( scsi_add_host(shpnt, NULL) ) {
830 free_irq(shpnt->irq, shpnt);
831 printk(KERN_ERR "aha152x%d: failed to add host.\n", shpnt->host_no);
832 goto out_host_put;
833 }
834
835 scsi_scan_host(shpnt);
836
837 return shpnt;
838
839 out_host_put:
840 list_del(&HOSTDATA(shpnt)->host_list);
841 scsi_host_put(shpnt);
842
843 return NULL;
844 }
845
846 void aha152x_release(struct Scsi_Host *shpnt)
847 {
848 if (!shpnt)
849 return;
850
851 scsi_remove_host(shpnt);
852 if (shpnt->irq)
853 free_irq(shpnt->irq, shpnt);
854
855 #if !defined(AHA152X_PCMCIA)
856 if (shpnt->io_port)
857 release_region(shpnt->io_port, IO_RANGE);
858 #endif
859
860 #ifdef __ISAPNP__
861 if (HOSTDATA(shpnt)->pnpdev)
862 pnp_device_detach(HOSTDATA(shpnt)->pnpdev);
863 #endif
864
865 list_del(&HOSTDATA(shpnt)->host_list);
866 scsi_host_put(shpnt);
867 }
868
869
870
871
872
873
874
875 static int setup_expected_interrupts(struct Scsi_Host *shpnt)
876 {
877 if(CURRENT_SC) {
878 CURRENT_SC->SCp.phase |= 1 << 16;
879
880 if(CURRENT_SC->SCp.phase & selecting) {
881 SETPORT(SSTAT1, SELTO);
882 SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
883 SETPORT(SIMODE1, ENSELTIMO);
884 } else {
885 SETPORT(SIMODE0, (CURRENT_SC->SCp.phase & spiordy) ? ENSPIORDY : 0);
886 SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
887 }
888 } else if(STATE==seldi) {
889 SETPORT(SIMODE0, 0);
890 SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
891 } else {
892 SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
893 SETPORT(SIMODE1, ENSCSIRST | ( (ISSUE_SC||DONE_SC) ? ENBUSFREE : 0));
894 }
895
896 if(!HOSTDATA(shpnt)->in_intr)
897 SETBITS(DMACNTRL0, INTEN);
898
899 return TESTHI(DMASTAT, INTSTAT);
900 }
901
902
903
904
905
906 static int aha152x_internal_queue(struct scsi_cmnd *SCpnt,
907 struct completion *complete,
908 int phase, void (*done)(struct scsi_cmnd *))
909 {
910 struct Scsi_Host *shpnt = SCpnt->device->host;
911 unsigned long flags;
912
913 SCpnt->scsi_done = done;
914 SCpnt->SCp.phase = not_issued | phase;
915 SCpnt->SCp.Status = 0x1;
916 SCpnt->SCp.Message = 0;
917 SCpnt->SCp.have_data_in = 0;
918 SCpnt->SCp.sent_command = 0;
919
920 if(SCpnt->SCp.phase & (resetting|check_condition)) {
921 if (!SCpnt->host_scribble || SCSEM(SCpnt) || SCNEXT(SCpnt)) {
922 scmd_printk(KERN_ERR, SCpnt, "cannot reuse command\n");
923 return FAILED;
924 }
925 } else {
926 SCpnt->host_scribble = kmalloc(sizeof(struct aha152x_scdata), GFP_ATOMIC);
927 if(!SCpnt->host_scribble) {
928 scmd_printk(KERN_ERR, SCpnt, "allocation failed\n");
929 return FAILED;
930 }
931 }
932
933 SCNEXT(SCpnt) = NULL;
934 SCSEM(SCpnt) = complete;
935
936
937
938
939
940
941
942 if ((phase & resetting) || !scsi_sglist(SCpnt)) {
943 SCpnt->SCp.ptr = NULL;
944 SCpnt->SCp.this_residual = 0;
945 scsi_set_resid(SCpnt, 0);
946 SCpnt->SCp.buffer = NULL;
947 } else {
948 scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
949 SCpnt->SCp.buffer = scsi_sglist(SCpnt);
950 SCpnt->SCp.ptr = SG_ADDRESS(SCpnt->SCp.buffer);
951 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
952 }
953
954 DO_LOCK(flags);
955
956 #if defined(AHA152X_STAT)
957 HOSTDATA(shpnt)->total_commands++;
958 #endif
959
960
961 HOSTDATA(shpnt)->commands++;
962 if (HOSTDATA(shpnt)->commands==1)
963 SETPORT(PORTA, 1);
964
965 append_SC(&ISSUE_SC, SCpnt);
966
967 if(!HOSTDATA(shpnt)->in_intr)
968 setup_expected_interrupts(shpnt);
969
970 DO_UNLOCK(flags);
971
972 return 0;
973 }
974
975
976
977
978
979 static int aha152x_queue_lck(struct scsi_cmnd *SCpnt,
980 void (*done)(struct scsi_cmnd *))
981 {
982 return aha152x_internal_queue(SCpnt, NULL, 0, done);
983 }
984
985 static DEF_SCSI_QCMD(aha152x_queue)
986
987
988
989
990
991 static void reset_done(struct scsi_cmnd *SCpnt)
992 {
993 if(SCSEM(SCpnt)) {
994 complete(SCSEM(SCpnt));
995 } else {
996 printk(KERN_ERR "aha152x: reset_done w/o completion\n");
997 }
998 }
999
1000
1001
1002
1003
1004 static int aha152x_abort(struct scsi_cmnd *SCpnt)
1005 {
1006 struct Scsi_Host *shpnt = SCpnt->device->host;
1007 struct scsi_cmnd *ptr;
1008 unsigned long flags;
1009
1010 DO_LOCK(flags);
1011
1012 ptr=remove_SC(&ISSUE_SC, SCpnt);
1013
1014 if(ptr) {
1015 HOSTDATA(shpnt)->commands--;
1016 if (!HOSTDATA(shpnt)->commands)
1017 SETPORT(PORTA, 0);
1018 DO_UNLOCK(flags);
1019
1020 kfree(SCpnt->host_scribble);
1021 SCpnt->host_scribble=NULL;
1022
1023 return SUCCESS;
1024 }
1025
1026 DO_UNLOCK(flags);
1027
1028
1029
1030
1031
1032
1033
1034
1035 scmd_printk(KERN_ERR, SCpnt,
1036 "cannot abort running or disconnected command\n");
1037
1038 return FAILED;
1039 }
1040
1041
1042
1043
1044
1045 static int aha152x_device_reset(struct scsi_cmnd * SCpnt)
1046 {
1047 struct Scsi_Host *shpnt = SCpnt->device->host;
1048 DECLARE_COMPLETION(done);
1049 int ret, issued, disconnected;
1050 unsigned char old_cmd_len = SCpnt->cmd_len;
1051 unsigned long flags;
1052 unsigned long timeleft;
1053
1054 if(CURRENT_SC==SCpnt) {
1055 scmd_printk(KERN_ERR, SCpnt, "cannot reset current device\n");
1056 return FAILED;
1057 }
1058
1059 DO_LOCK(flags);
1060 issued = remove_SC(&ISSUE_SC, SCpnt) == NULL;
1061 disconnected = issued && remove_SC(&DISCONNECTED_SC, SCpnt);
1062 DO_UNLOCK(flags);
1063
1064 SCpnt->cmd_len = 0;
1065
1066 aha152x_internal_queue(SCpnt, &done, resetting, reset_done);
1067
1068 timeleft = wait_for_completion_timeout(&done, 100*HZ);
1069 if (!timeleft) {
1070
1071 DO_LOCK(flags);
1072 remove_SC(&ISSUE_SC, SCpnt);
1073 DO_UNLOCK(flags);
1074 }
1075
1076 SCpnt->cmd_len = old_cmd_len;
1077
1078 DO_LOCK(flags);
1079
1080 if(SCpnt->SCp.phase & resetted) {
1081 HOSTDATA(shpnt)->commands--;
1082 if (!HOSTDATA(shpnt)->commands)
1083 SETPORT(PORTA, 0);
1084 kfree(SCpnt->host_scribble);
1085 SCpnt->host_scribble=NULL;
1086
1087 ret = SUCCESS;
1088 } else {
1089
1090 if(!issued) {
1091 append_SC(&ISSUE_SC, SCpnt);
1092 } else if(disconnected) {
1093 append_SC(&DISCONNECTED_SC, SCpnt);
1094 }
1095
1096 ret = FAILED;
1097 }
1098
1099 DO_UNLOCK(flags);
1100 return ret;
1101 }
1102
1103 static void free_hard_reset_SCs(struct Scsi_Host *shpnt,
1104 struct scsi_cmnd **SCs)
1105 {
1106 struct scsi_cmnd *ptr;
1107
1108 ptr=*SCs;
1109 while(ptr) {
1110 struct scsi_cmnd *next;
1111
1112 if(SCDATA(ptr)) {
1113 next = SCNEXT(ptr);
1114 } else {
1115 scmd_printk(KERN_DEBUG, ptr,
1116 "queue corrupted at %p\n", ptr);
1117 next = NULL;
1118 }
1119
1120 if (!ptr->device->soft_reset) {
1121 remove_SC(SCs, ptr);
1122 HOSTDATA(shpnt)->commands--;
1123 kfree(ptr->host_scribble);
1124 ptr->host_scribble=NULL;
1125 }
1126
1127 ptr = next;
1128 }
1129 }
1130
1131
1132
1133
1134
1135
1136
1137
1138 static int aha152x_bus_reset_host(struct Scsi_Host *shpnt)
1139 {
1140 unsigned long flags;
1141
1142 DO_LOCK(flags);
1143
1144 free_hard_reset_SCs(shpnt, &ISSUE_SC);
1145 free_hard_reset_SCs(shpnt, &DISCONNECTED_SC);
1146
1147 SETPORT(SCSISEQ, SCSIRSTO);
1148 mdelay(256);
1149 SETPORT(SCSISEQ, 0);
1150 mdelay(DELAY);
1151
1152 setup_expected_interrupts(shpnt);
1153 if(HOSTDATA(shpnt)->commands==0)
1154 SETPORT(PORTA, 0);
1155
1156 DO_UNLOCK(flags);
1157
1158 return SUCCESS;
1159 }
1160
1161
1162
1163
1164
1165 static int aha152x_bus_reset(struct scsi_cmnd *SCpnt)
1166 {
1167 return aha152x_bus_reset_host(SCpnt->device->host);
1168 }
1169
1170
1171
1172
1173
1174 static void reset_ports(struct Scsi_Host *shpnt)
1175 {
1176 unsigned long flags;
1177
1178
1179 SETPORT(DMACNTRL0, RSTFIFO);
1180
1181 SETPORT(SCSISEQ, 0);
1182
1183 SETPORT(SXFRCTL1, 0);
1184 SETPORT(SCSISIG, 0);
1185 SETRATE(0);
1186
1187
1188 SETPORT(SSTAT0, 0x7f);
1189 SETPORT(SSTAT1, 0xef);
1190
1191 SETPORT(SSTAT4, SYNCERR | FWERR | FRERR);
1192
1193 SETPORT(DMACNTRL0, 0);
1194 SETPORT(DMACNTRL1, 0);
1195
1196 SETPORT(BRSTCNTRL, 0xf1);
1197
1198
1199 SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
1200 SETPORT(SXFRCTL0, CH1);
1201
1202 DO_LOCK(flags);
1203 setup_expected_interrupts(shpnt);
1204 DO_UNLOCK(flags);
1205 }
1206
1207
1208
1209
1210
1211 int aha152x_host_reset_host(struct Scsi_Host *shpnt)
1212 {
1213 aha152x_bus_reset_host(shpnt);
1214 reset_ports(shpnt);
1215
1216 return SUCCESS;
1217 }
1218
1219
1220
1221
1222
1223 static int aha152x_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1224 sector_t capacity, int *info_array)
1225 {
1226 struct Scsi_Host *shpnt = sdev->host;
1227
1228
1229 info_array[0] = 64;
1230 info_array[1] = 32;
1231 info_array[2] = (unsigned long)capacity / (64 * 32);
1232
1233
1234 if (info_array[2] >= 1024) {
1235 int info[3];
1236
1237
1238 if (scsicam_bios_param(bdev, capacity, info) < 0 ||
1239 !((info[0] == 64 && info[1] == 32) || (info[0] == 255 && info[1] == 63))) {
1240 if (EXT_TRANS) {
1241 printk(KERN_NOTICE
1242 "aha152x: unable to verify geometry for disk with >1GB.\n"
1243 " using extended translation.\n");
1244 info_array[0] = 255;
1245 info_array[1] = 63;
1246 info_array[2] = (unsigned long)capacity / (255 * 63);
1247 } else {
1248 printk(KERN_NOTICE
1249 "aha152x: unable to verify geometry for disk with >1GB.\n"
1250 " Using default translation. Please verify yourself.\n"
1251 " Perhaps you need to enable extended translation in the driver.\n"
1252 " See Documentation/scsi/aha152x.txt for details.\n");
1253 }
1254 } else {
1255 info_array[0] = info[0];
1256 info_array[1] = info[1];
1257 info_array[2] = info[2];
1258
1259 if (info[0] == 255 && !EXT_TRANS) {
1260 printk(KERN_NOTICE
1261 "aha152x: current partition table is using extended translation.\n"
1262 " using it also, although it's not explicitly enabled.\n");
1263 }
1264 }
1265 }
1266
1267 return 0;
1268 }
1269
1270
1271
1272
1273
1274 static void done(struct Scsi_Host *shpnt, int error)
1275 {
1276 if (CURRENT_SC) {
1277 if(DONE_SC)
1278 scmd_printk(KERN_ERR, CURRENT_SC,
1279 "there's already a completed command %p "
1280 "- will cause abort\n", DONE_SC);
1281
1282 DONE_SC = CURRENT_SC;
1283 CURRENT_SC = NULL;
1284 DONE_SC->result = error;
1285 } else
1286 printk(KERN_ERR "aha152x: done() called outside of command\n");
1287 }
1288
1289 static struct work_struct aha152x_tq;
1290
1291
1292
1293
1294
1295 static void run(struct work_struct *work)
1296 {
1297 struct aha152x_hostdata *hd;
1298
1299 list_for_each_entry(hd, &aha152x_host_list, host_list) {
1300 struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
1301
1302 is_complete(shost);
1303 }
1304 }
1305
1306
1307
1308
1309
1310 static irqreturn_t intr(int irqno, void *dev_id)
1311 {
1312 struct Scsi_Host *shpnt = dev_id;
1313 unsigned long flags;
1314 unsigned char rev, dmacntrl0;
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329 rev = GETPORT(REV);
1330 dmacntrl0 = GETPORT(DMACNTRL0);
1331 if ((rev == 0xFF) && (dmacntrl0 == 0xFF))
1332 return IRQ_NONE;
1333
1334 if( TESTLO(DMASTAT, INTSTAT) )
1335 return IRQ_NONE;
1336
1337
1338
1339 CLRBITS(DMACNTRL0, INTEN);
1340
1341 DO_LOCK(flags);
1342 if( HOSTDATA(shpnt)->service==0 ) {
1343 HOSTDATA(shpnt)->service=1;
1344
1345
1346 INIT_WORK(&aha152x_tq, run);
1347 schedule_work(&aha152x_tq);
1348 }
1349 DO_UNLOCK(flags);
1350
1351 return IRQ_HANDLED;
1352 }
1353
1354
1355
1356
1357
1358
1359 static void busfree_run(struct Scsi_Host *shpnt)
1360 {
1361 unsigned long flags;
1362 #if defined(AHA152X_STAT)
1363 int action=0;
1364 #endif
1365
1366 SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
1367 SETPORT(SXFRCTL0, CH1);
1368
1369 SETPORT(SSTAT1, CLRBUSFREE);
1370
1371 if(CURRENT_SC) {
1372 #if defined(AHA152X_STAT)
1373 action++;
1374 #endif
1375 CURRENT_SC->SCp.phase &= ~syncneg;
1376
1377 if(CURRENT_SC->SCp.phase & completed) {
1378
1379 done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_OK << 16));
1380
1381 } else if(CURRENT_SC->SCp.phase & aborted) {
1382 done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_ABORT << 16));
1383
1384 } else if(CURRENT_SC->SCp.phase & resetted) {
1385 done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_RESET << 16));
1386
1387 } else if(CURRENT_SC->SCp.phase & disconnected) {
1388
1389 #if defined(AHA152X_STAT)
1390 HOSTDATA(shpnt)->disconnections++;
1391 #endif
1392 append_SC(&DISCONNECTED_SC, CURRENT_SC);
1393 CURRENT_SC->SCp.phase |= 1 << 16;
1394 CURRENT_SC = NULL;
1395
1396 } else {
1397 done(shpnt, DID_ERROR << 16);
1398 }
1399 #if defined(AHA152X_STAT)
1400 } else {
1401 HOSTDATA(shpnt)->busfree_without_old_command++;
1402 #endif
1403 }
1404
1405 DO_LOCK(flags);
1406
1407 if(DONE_SC) {
1408 #if defined(AHA152X_STAT)
1409 action++;
1410 #endif
1411
1412 if(DONE_SC->SCp.phase & check_condition) {
1413 struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC;
1414 struct aha152x_scdata *sc = SCDATA(cmd);
1415
1416 scsi_eh_restore_cmnd(cmd, &sc->ses);
1417
1418 cmd->SCp.Status = SAM_STAT_CHECK_CONDITION;
1419
1420 HOSTDATA(shpnt)->commands--;
1421 if (!HOSTDATA(shpnt)->commands)
1422 SETPORT(PORTA, 0);
1423 } else if(DONE_SC->SCp.Status==SAM_STAT_CHECK_CONDITION) {
1424 #if defined(AHA152X_STAT)
1425 HOSTDATA(shpnt)->busfree_with_check_condition++;
1426 #endif
1427
1428 if(!(DONE_SC->SCp.phase & not_issued)) {
1429 struct aha152x_scdata *sc;
1430 struct scsi_cmnd *ptr = DONE_SC;
1431 DONE_SC=NULL;
1432
1433 sc = SCDATA(ptr);
1434
1435 BUG_ON(!sc);
1436 scsi_eh_prep_cmnd(ptr, &sc->ses, NULL, 0, ~0);
1437
1438 DO_UNLOCK(flags);
1439 aha152x_internal_queue(ptr, NULL, check_condition, ptr->scsi_done);
1440 DO_LOCK(flags);
1441 }
1442 }
1443
1444 if(DONE_SC && DONE_SC->scsi_done) {
1445 struct scsi_cmnd *ptr = DONE_SC;
1446 DONE_SC=NULL;
1447
1448
1449 HOSTDATA(shpnt)->commands--;
1450 if (!HOSTDATA(shpnt)->commands)
1451 SETPORT(PORTA, 0);
1452
1453 if(ptr->scsi_done != reset_done) {
1454 kfree(ptr->host_scribble);
1455 ptr->host_scribble=NULL;
1456 }
1457
1458 DO_UNLOCK(flags);
1459 ptr->scsi_done(ptr);
1460 DO_LOCK(flags);
1461 }
1462
1463 DONE_SC=NULL;
1464 #if defined(AHA152X_STAT)
1465 } else {
1466 HOSTDATA(shpnt)->busfree_without_done_command++;
1467 #endif
1468 }
1469
1470 if(ISSUE_SC)
1471 CURRENT_SC = remove_first_SC(&ISSUE_SC);
1472
1473 DO_UNLOCK(flags);
1474
1475 if(CURRENT_SC) {
1476 #if defined(AHA152X_STAT)
1477 action++;
1478 #endif
1479 CURRENT_SC->SCp.phase |= selecting;
1480
1481
1482 SETPORT(SSTAT1, SELTO);
1483
1484 SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->device->id);
1485 SETPORT(SXFRCTL1, (PARITY ? ENSPCHK : 0 ) | ENSTIMER);
1486 SETPORT(SCSISEQ, ENSELO | ENAUTOATNO | (DISCONNECTED_SC ? ENRESELI : 0));
1487 } else {
1488 #if defined(AHA152X_STAT)
1489 HOSTDATA(shpnt)->busfree_without_new_command++;
1490 #endif
1491 SETPORT(SCSISEQ, DISCONNECTED_SC ? ENRESELI : 0);
1492 }
1493
1494 #if defined(AHA152X_STAT)
1495 if(!action)
1496 HOSTDATA(shpnt)->busfree_without_any_action++;
1497 #endif
1498 }
1499
1500
1501
1502
1503
1504
1505 static void seldo_run(struct Scsi_Host *shpnt)
1506 {
1507 SETPORT(SCSISIG, 0);
1508 SETPORT(SSTAT1, CLRBUSFREE);
1509 SETPORT(SSTAT1, CLRPHASECHG);
1510
1511 CURRENT_SC->SCp.phase &= ~(selecting|not_issued);
1512
1513 SETPORT(SCSISEQ, 0);
1514
1515 if (TESTLO(SSTAT0, SELDO)) {
1516 scmd_printk(KERN_ERR, CURRENT_SC,
1517 "aha152x: passing bus free condition\n");
1518 done(shpnt, DID_NO_CONNECT << 16);
1519 return;
1520 }
1521
1522 SETPORT(SSTAT0, CLRSELDO);
1523
1524 ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->device->lun));
1525
1526 if (CURRENT_SC->SCp.phase & aborting) {
1527 ADDMSGO(ABORT);
1528 } else if (CURRENT_SC->SCp.phase & resetting) {
1529 ADDMSGO(BUS_DEVICE_RESET);
1530 } else if (SYNCNEG==0 && SYNCHRONOUS) {
1531 CURRENT_SC->SCp.phase |= syncneg;
1532 MSGOLEN += spi_populate_sync_msg(&MSGO(MSGOLEN), 50, 8);
1533 SYNCNEG=1;
1534 }
1535
1536 SETRATE(SYNCRATE);
1537 }
1538
1539
1540
1541
1542
1543
1544 static void selto_run(struct Scsi_Host *shpnt)
1545 {
1546 SETPORT(SCSISEQ, 0);
1547 SETPORT(SSTAT1, CLRSELTIMO);
1548
1549 if (!CURRENT_SC)
1550 return;
1551
1552 CURRENT_SC->SCp.phase &= ~selecting;
1553
1554 if (CURRENT_SC->SCp.phase & aborted)
1555 done(shpnt, DID_ABORT << 16);
1556 else if (TESTLO(SSTAT0, SELINGO))
1557 done(shpnt, DID_BUS_BUSY << 16);
1558 else
1559
1560 done(shpnt, DID_NO_CONNECT << 16);
1561 }
1562
1563
1564
1565
1566
1567
1568
1569
1570 static void seldi_run(struct Scsi_Host *shpnt)
1571 {
1572 int selid;
1573 int target;
1574 unsigned long flags;
1575
1576 SETPORT(SCSISIG, 0);
1577 SETPORT(SSTAT0, CLRSELDI);
1578 SETPORT(SSTAT1, CLRBUSFREE);
1579 SETPORT(SSTAT1, CLRPHASECHG);
1580
1581 if(CURRENT_SC) {
1582 if(!(CURRENT_SC->SCp.phase & not_issued))
1583 scmd_printk(KERN_ERR, CURRENT_SC,
1584 "command should not have been issued yet\n");
1585
1586 DO_LOCK(flags);
1587 append_SC(&ISSUE_SC, CURRENT_SC);
1588 DO_UNLOCK(flags);
1589
1590 CURRENT_SC = NULL;
1591 }
1592
1593 if (!DISCONNECTED_SC)
1594 return;
1595
1596 RECONN_TARGET=-1;
1597
1598 selid = GETPORT(SELID) & ~(1 << shpnt->this_id);
1599
1600 if (selid==0) {
1601 shost_printk(KERN_INFO, shpnt,
1602 "target id unknown (%02x)\n", selid);
1603 return;
1604 }
1605
1606 for(target=7; !(selid & (1 << target)); target--)
1607 ;
1608
1609 if(selid & ~(1 << target)) {
1610 shost_printk(KERN_INFO, shpnt,
1611 "multiple targets reconnected (%02x)\n", selid);
1612 }
1613
1614
1615 SETPORT(SCSIID, (shpnt->this_id << OID_) | target);
1616 SETPORT(SCSISEQ, 0);
1617
1618 SETRATE(HOSTDATA(shpnt)->syncrate[target]);
1619
1620 RECONN_TARGET=target;
1621 }
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636 static void msgi_run(struct Scsi_Host *shpnt)
1637 {
1638 for(;;) {
1639 int sstat1 = GETPORT(SSTAT1);
1640
1641 if(sstat1 & (PHASECHG|PHASEMIS|BUSFREE) || !(sstat1 & REQINIT))
1642 return;
1643
1644 if (TESTLO(SSTAT0, SPIORDY))
1645 return;
1646
1647 ADDMSGI(GETPORT(SCSIDAT));
1648
1649 if(!CURRENT_SC) {
1650 if(LASTSTATE!=seldi) {
1651 shost_printk(KERN_ERR, shpnt,
1652 "message in w/o current command"
1653 " not after reselection\n");
1654 }
1655
1656
1657
1658
1659 if(!(MSGI(0) & IDENTIFY_BASE)) {
1660 shost_printk(KERN_ERR, shpnt,
1661 "target didn't identify after reselection\n");
1662 continue;
1663 }
1664
1665 CURRENT_SC = remove_lun_SC(&DISCONNECTED_SC, RECONN_TARGET, MSGI(0) & 0x3f);
1666
1667 if (!CURRENT_SC) {
1668 show_queues(shpnt);
1669 shost_printk(KERN_ERR, shpnt,
1670 "no disconnected command"
1671 " for target %d/%d\n",
1672 RECONN_TARGET, MSGI(0) & 0x3f);
1673 continue;
1674 }
1675
1676 CURRENT_SC->SCp.Message = MSGI(0);
1677 CURRENT_SC->SCp.phase &= ~disconnected;
1678
1679 MSGILEN=0;
1680
1681
1682 continue;
1683 }
1684
1685 CURRENT_SC->SCp.Message = MSGI(0);
1686
1687 switch (MSGI(0)) {
1688 case DISCONNECT:
1689 if (!RECONNECT)
1690 scmd_printk(KERN_WARNING, CURRENT_SC,
1691 "target was not allowed to disconnect\n");
1692
1693 CURRENT_SC->SCp.phase |= disconnected;
1694 break;
1695
1696 case COMMAND_COMPLETE:
1697 CURRENT_SC->SCp.phase |= completed;
1698 break;
1699
1700 case MESSAGE_REJECT:
1701 if (SYNCNEG==1) {
1702 scmd_printk(KERN_INFO, CURRENT_SC,
1703 "Synchronous Data Transfer Request"
1704 " was rejected\n");
1705 SYNCNEG=2;
1706 } else
1707 scmd_printk(KERN_INFO, CURRENT_SC,
1708 "inbound message (MESSAGE REJECT)\n");
1709 break;
1710
1711 case SAVE_POINTERS:
1712 break;
1713
1714 case RESTORE_POINTERS:
1715 break;
1716
1717 case EXTENDED_MESSAGE:
1718 if(MSGILEN<2 || MSGILEN<MSGI(1)+2) {
1719
1720 continue;
1721 }
1722
1723 switch (MSGI(2)) {
1724 case EXTENDED_SDTR:
1725 {
1726 long ticks;
1727
1728 if (MSGI(1) != 3) {
1729 scmd_printk(KERN_ERR, CURRENT_SC,
1730 "SDTR message length!=3\n");
1731 break;
1732 }
1733
1734 if (!HOSTDATA(shpnt)->synchronous)
1735 break;
1736
1737 printk(INFO_LEAD, CMDINFO(CURRENT_SC));
1738 spi_print_msg(&MSGI(0));
1739 printk("\n");
1740
1741 ticks = (MSGI(3) * 4 + 49) / 50;
1742
1743 if (syncneg) {
1744
1745 if (ticks > 9 || MSGI(4) < 1 || MSGI(4) > 8) {
1746 ADDMSGO(MESSAGE_REJECT);
1747 scmd_printk(KERN_INFO,
1748 CURRENT_SC,
1749 "received Synchronous Data Transfer Request invalid - rejected\n");
1750 break;
1751 }
1752
1753 SYNCRATE |= ((ticks - 2) << 4) + MSGI(4);
1754 } else if (ticks <= 9 && MSGI(4) >= 1) {
1755 ADDMSGO(EXTENDED_MESSAGE);
1756 ADDMSGO(3);
1757 ADDMSGO(EXTENDED_SDTR);
1758 if (ticks < 4) {
1759 ticks = 4;
1760 ADDMSGO(50);
1761 } else
1762 ADDMSGO(MSGI(3));
1763
1764 if (MSGI(4) > 8)
1765 MSGI(4) = 8;
1766
1767 ADDMSGO(MSGI(4));
1768
1769 SYNCRATE |= ((ticks - 2) << 4) + MSGI(4);
1770 } else {
1771
1772 scmd_printk(KERN_INFO,
1773 CURRENT_SC,
1774 "Synchronous Data Transfer Request too slow - Rejecting\n");
1775 ADDMSGO(MESSAGE_REJECT);
1776 }
1777
1778
1779 SYNCNEG=2;
1780 SETRATE(SYNCRATE);
1781 }
1782 break;
1783
1784 case BUS_DEVICE_RESET:
1785 {
1786 int i;
1787
1788 for(i=0; i<8; i++) {
1789 HOSTDATA(shpnt)->syncrate[i]=0;
1790 HOSTDATA(shpnt)->syncneg[i]=0;
1791 }
1792
1793 }
1794 break;
1795
1796 case EXTENDED_MODIFY_DATA_POINTER:
1797 case EXTENDED_EXTENDED_IDENTIFY:
1798 case EXTENDED_WDTR:
1799 default:
1800 ADDMSGO(MESSAGE_REJECT);
1801 break;
1802 }
1803 break;
1804 }
1805
1806 MSGILEN=0;
1807 }
1808 }
1809
1810 static void msgi_end(struct Scsi_Host *shpnt)
1811 {
1812 if(MSGILEN>0)
1813 scmd_printk(KERN_WARNING, CURRENT_SC,
1814 "target left before message completed (%d)\n",
1815 MSGILEN);
1816
1817 if (MSGOLEN > 0 && !(GETPORT(SSTAT1) & BUSFREE))
1818 SETPORT(SCSISIG, P_MSGI | SIG_ATNO);
1819 }
1820
1821
1822
1823
1824
1825 static void msgo_init(struct Scsi_Host *shpnt)
1826 {
1827 if(MSGOLEN==0) {
1828 if((CURRENT_SC->SCp.phase & syncneg) && SYNCNEG==2 && SYNCRATE==0) {
1829 ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->device->lun));
1830 } else {
1831 scmd_printk(KERN_INFO, CURRENT_SC,
1832 "unexpected MESSAGE OUT phase; rejecting\n");
1833 ADDMSGO(MESSAGE_REJECT);
1834 }
1835 }
1836
1837 }
1838
1839
1840
1841
1842
1843 static void msgo_run(struct Scsi_Host *shpnt)
1844 {
1845 while(MSGO_I<MSGOLEN) {
1846 if (TESTLO(SSTAT0, SPIORDY))
1847 return;
1848
1849 if (MSGO_I==MSGOLEN-1) {
1850
1851 SETPORT(SSTAT1, CLRATNO);
1852 }
1853
1854
1855 if (MSGO(MSGO_I) & IDENTIFY_BASE)
1856 CURRENT_SC->SCp.phase |= identified;
1857
1858 if (MSGO(MSGO_I)==ABORT)
1859 CURRENT_SC->SCp.phase |= aborted;
1860
1861 if (MSGO(MSGO_I)==BUS_DEVICE_RESET)
1862 CURRENT_SC->SCp.phase |= resetted;
1863
1864 SETPORT(SCSIDAT, MSGO(MSGO_I++));
1865 }
1866 }
1867
1868 static void msgo_end(struct Scsi_Host *shpnt)
1869 {
1870 if(MSGO_I<MSGOLEN) {
1871 scmd_printk(KERN_ERR, CURRENT_SC,
1872 "message sent incompletely (%d/%d)\n",
1873 MSGO_I, MSGOLEN);
1874 if(SYNCNEG==1) {
1875 scmd_printk(KERN_INFO, CURRENT_SC,
1876 "Synchronous Data Transfer Request was rejected\n");
1877 SYNCNEG=2;
1878 }
1879 }
1880
1881 MSGO_I = 0;
1882 MSGOLEN = 0;
1883 }
1884
1885
1886
1887
1888
1889 static void cmd_init(struct Scsi_Host *shpnt)
1890 {
1891 if (CURRENT_SC->SCp.sent_command) {
1892 scmd_printk(KERN_ERR, CURRENT_SC,
1893 "command already sent\n");
1894 done(shpnt, DID_ERROR << 16);
1895 return;
1896 }
1897
1898 CMD_I=0;
1899 }
1900
1901
1902
1903
1904
1905 static void cmd_run(struct Scsi_Host *shpnt)
1906 {
1907 while(CMD_I<CURRENT_SC->cmd_len) {
1908 if (TESTLO(SSTAT0, SPIORDY))
1909 return;
1910
1911 SETPORT(SCSIDAT, CURRENT_SC->cmnd[CMD_I++]);
1912 }
1913 }
1914
1915 static void cmd_end(struct Scsi_Host *shpnt)
1916 {
1917 if(CMD_I<CURRENT_SC->cmd_len)
1918 scmd_printk(KERN_ERR, CURRENT_SC,
1919 "command sent incompletely (%d/%d)\n",
1920 CMD_I, CURRENT_SC->cmd_len);
1921 else
1922 CURRENT_SC->SCp.sent_command++;
1923 }
1924
1925
1926
1927
1928
1929 static void status_run(struct Scsi_Host *shpnt)
1930 {
1931 if (TESTLO(SSTAT0, SPIORDY))
1932 return;
1933
1934 CURRENT_SC->SCp.Status = GETPORT(SCSIDAT);
1935
1936 }
1937
1938
1939
1940
1941
1942 static void datai_init(struct Scsi_Host *shpnt)
1943 {
1944 SETPORT(DMACNTRL0, RSTFIFO);
1945 SETPORT(DMACNTRL0, RSTFIFO|ENDMA);
1946
1947 SETPORT(SXFRCTL0, CH1|CLRSTCNT);
1948 SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
1949
1950 SETPORT(SIMODE0, 0);
1951 SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE);
1952
1953 DATA_LEN=0;
1954 }
1955
1956 static void datai_run(struct Scsi_Host *shpnt)
1957 {
1958 unsigned long the_time;
1959 int fifodata, data_count;
1960
1961
1962
1963
1964
1965 while(TESTLO(DMASTAT, INTSTAT) || TESTLO(DMASTAT, DFIFOEMP) || TESTLO(SSTAT2, SEMPTY)) {
1966
1967
1968
1969
1970 the_time=jiffies + 100*HZ;
1971 while(TESTLO(DMASTAT, DFIFOFULL|INTSTAT) && time_before(jiffies,the_time))
1972 barrier();
1973
1974 if(TESTLO(DMASTAT, DFIFOFULL|INTSTAT)) {
1975 scmd_printk(KERN_ERR, CURRENT_SC, "datai timeout\n");
1976 break;
1977 }
1978
1979 if(TESTHI(DMASTAT, DFIFOFULL)) {
1980 fifodata = 128;
1981 } else {
1982 the_time=jiffies + 100*HZ;
1983 while(TESTLO(SSTAT2, SEMPTY) && time_before(jiffies,the_time))
1984 barrier();
1985
1986 if(TESTLO(SSTAT2, SEMPTY)) {
1987 scmd_printk(KERN_ERR, CURRENT_SC,
1988 "datai sempty timeout");
1989 break;
1990 }
1991
1992 fifodata = GETPORT(FIFOSTAT);
1993 }
1994
1995 if(CURRENT_SC->SCp.this_residual>0) {
1996 while(fifodata>0 && CURRENT_SC->SCp.this_residual>0) {
1997 data_count = fifodata > CURRENT_SC->SCp.this_residual ?
1998 CURRENT_SC->SCp.this_residual :
1999 fifodata;
2000 fifodata -= data_count;
2001
2002 if (data_count & 1) {
2003 SETPORT(DMACNTRL0, ENDMA|_8BIT);
2004 *CURRENT_SC->SCp.ptr++ = GETPORT(DATAPORT);
2005 CURRENT_SC->SCp.this_residual--;
2006 DATA_LEN++;
2007 SETPORT(DMACNTRL0, ENDMA);
2008 }
2009
2010 if (data_count > 1) {
2011 data_count >>= 1;
2012 insw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
2013 CURRENT_SC->SCp.ptr += 2 * data_count;
2014 CURRENT_SC->SCp.this_residual -= 2 * data_count;
2015 DATA_LEN += 2 * data_count;
2016 }
2017
2018 if (CURRENT_SC->SCp.this_residual == 0 &&
2019 !sg_is_last(CURRENT_SC->SCp.buffer)) {
2020
2021 CURRENT_SC->SCp.buffer = sg_next(CURRENT_SC->SCp.buffer);
2022 CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer);
2023 CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
2024 }
2025 }
2026 } else if (fifodata > 0) {
2027 scmd_printk(KERN_ERR, CURRENT_SC,
2028 "no buffers left for %d(%d) bytes"
2029 " (data overrun!?)\n",
2030 fifodata, GETPORT(FIFOSTAT));
2031 SETPORT(DMACNTRL0, ENDMA|_8BIT);
2032 while(fifodata>0) {
2033 int data;
2034 data=GETPORT(DATAPORT);
2035 fifodata--;
2036 DATA_LEN++;
2037 }
2038 SETPORT(DMACNTRL0, ENDMA|_8BIT);
2039 }
2040 }
2041
2042 if(TESTLO(DMASTAT, INTSTAT) ||
2043 TESTLO(DMASTAT, DFIFOEMP) ||
2044 TESTLO(SSTAT2, SEMPTY) ||
2045 GETPORT(FIFOSTAT)>0) {
2046
2047
2048
2049
2050 scmd_printk(KERN_ERR, CURRENT_SC,
2051 "fifos should be empty and phase should have changed\n");
2052 }
2053
2054 if(DATA_LEN!=GETSTCNT()) {
2055 scmd_printk(KERN_ERR, CURRENT_SC,
2056 "manual transfer count differs from automatic "
2057 "(count=%d;stcnt=%d;diff=%d;fifostat=%d)",
2058 DATA_LEN, GETSTCNT(), GETSTCNT()-DATA_LEN,
2059 GETPORT(FIFOSTAT));
2060 mdelay(10000);
2061 }
2062 }
2063
2064 static void datai_end(struct Scsi_Host *shpnt)
2065 {
2066 CMD_INC_RESID(CURRENT_SC, -GETSTCNT());
2067
2068 SETPORT(SXFRCTL0, CH1|CLRSTCNT);
2069 SETPORT(DMACNTRL0, 0);
2070 }
2071
2072
2073
2074
2075
2076 static void datao_init(struct Scsi_Host *shpnt)
2077 {
2078 SETPORT(DMACNTRL0, WRITE_READ | RSTFIFO);
2079 SETPORT(DMACNTRL0, WRITE_READ | ENDMA);
2080
2081 SETPORT(SXFRCTL0, CH1|CLRSTCNT);
2082 SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
2083
2084 SETPORT(SIMODE0, 0);
2085 SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE );
2086
2087 DATA_LEN = scsi_get_resid(CURRENT_SC);
2088 }
2089
2090 static void datao_run(struct Scsi_Host *shpnt)
2091 {
2092 unsigned long the_time;
2093 int data_count;
2094
2095
2096 while(TESTLO(DMASTAT, INTSTAT) && CURRENT_SC->SCp.this_residual>0) {
2097 data_count = 128;
2098 if(data_count > CURRENT_SC->SCp.this_residual)
2099 data_count=CURRENT_SC->SCp.this_residual;
2100
2101 if(TESTLO(DMASTAT, DFIFOEMP)) {
2102 scmd_printk(KERN_ERR, CURRENT_SC,
2103 "datao fifo not empty (%d)",
2104 GETPORT(FIFOSTAT));
2105 break;
2106 }
2107
2108 if(data_count & 1) {
2109 SETPORT(DMACNTRL0,WRITE_READ|ENDMA|_8BIT);
2110 SETPORT(DATAPORT, *CURRENT_SC->SCp.ptr++);
2111 CURRENT_SC->SCp.this_residual--;
2112 CMD_INC_RESID(CURRENT_SC, -1);
2113 SETPORT(DMACNTRL0,WRITE_READ|ENDMA);
2114 }
2115
2116 if(data_count > 1) {
2117 data_count >>= 1;
2118 outsw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
2119 CURRENT_SC->SCp.ptr += 2 * data_count;
2120 CURRENT_SC->SCp.this_residual -= 2 * data_count;
2121 CMD_INC_RESID(CURRENT_SC, -2 * data_count);
2122 }
2123
2124 if (CURRENT_SC->SCp.this_residual == 0 &&
2125 !sg_is_last(CURRENT_SC->SCp.buffer)) {
2126
2127 CURRENT_SC->SCp.buffer = sg_next(CURRENT_SC->SCp.buffer);
2128 CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer);
2129 CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
2130 }
2131
2132 the_time=jiffies + 100*HZ;
2133 while(TESTLO(DMASTAT, DFIFOEMP|INTSTAT) && time_before(jiffies,the_time))
2134 barrier();
2135
2136 if(TESTLO(DMASTAT, DFIFOEMP|INTSTAT)) {
2137 scmd_printk(KERN_ERR, CURRENT_SC, "dataout timeout\n");
2138 break;
2139 }
2140 }
2141 }
2142
2143 static void datao_end(struct Scsi_Host *shpnt)
2144 {
2145 if(TESTLO(DMASTAT, DFIFOEMP)) {
2146 u32 datao_cnt = GETSTCNT();
2147 int datao_out = DATA_LEN - scsi_get_resid(CURRENT_SC);
2148 int done;
2149 struct scatterlist *sg = scsi_sglist(CURRENT_SC);
2150
2151 CMD_INC_RESID(CURRENT_SC, datao_out - datao_cnt);
2152
2153 done = scsi_bufflen(CURRENT_SC) - scsi_get_resid(CURRENT_SC);
2154
2155 while (done > 0 && !sg_is_last(sg)) {
2156 if (done < sg->length)
2157 break;
2158 done -= sg->length;
2159 sg = sg_next(sg);
2160 }
2161
2162 CURRENT_SC->SCp.buffer = sg;
2163 CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer) + done;
2164 CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length -
2165 done;
2166 }
2167
2168 SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
2169 SETPORT(SXFRCTL0, CH1);
2170
2171 SETPORT(DMACNTRL0, 0);
2172 }
2173
2174
2175
2176
2177
2178 static int update_state(struct Scsi_Host *shpnt)
2179 {
2180 int dataphase=0;
2181 unsigned int stat0 = GETPORT(SSTAT0);
2182 unsigned int stat1 = GETPORT(SSTAT1);
2183
2184 PREVSTATE = STATE;
2185 STATE=unknown;
2186
2187 if(stat1 & SCSIRSTI) {
2188 STATE=rsti;
2189 SETPORT(SCSISEQ,0);
2190 SETPORT(SSTAT1,SCSIRSTI);
2191 } else if (stat0 & SELDI && PREVSTATE == busfree) {
2192 STATE=seldi;
2193 } else if(stat0 & SELDO && CURRENT_SC && (CURRENT_SC->SCp.phase & selecting)) {
2194 STATE=seldo;
2195 } else if(stat1 & SELTO) {
2196 STATE=selto;
2197 } else if(stat1 & BUSFREE) {
2198 STATE=busfree;
2199 SETPORT(SSTAT1,BUSFREE);
2200 } else if(stat1 & SCSIPERR) {
2201 STATE=parerr;
2202 SETPORT(SSTAT1,SCSIPERR);
2203 } else if(stat1 & REQINIT) {
2204 switch(GETPORT(SCSISIG) & P_MASK) {
2205 case P_MSGI: STATE=msgi; break;
2206 case P_MSGO: STATE=msgo; break;
2207 case P_DATAO: STATE=datao; break;
2208 case P_DATAI: STATE=datai; break;
2209 case P_STATUS: STATE=status; break;
2210 case P_CMD: STATE=cmd; break;
2211 }
2212 dataphase=1;
2213 }
2214
2215 if((stat0 & SELDI) && STATE!=seldi && !dataphase) {
2216 scmd_printk(KERN_INFO, CURRENT_SC, "reselection missed?");
2217 }
2218
2219 if(STATE!=PREVSTATE) {
2220 LASTSTATE=PREVSTATE;
2221 }
2222
2223 return dataphase;
2224 }
2225
2226
2227
2228
2229
2230
2231
2232 static void parerr_run(struct Scsi_Host *shpnt)
2233 {
2234 scmd_printk(KERN_ERR, CURRENT_SC, "parity error\n");
2235 done(shpnt, DID_PARITY << 16);
2236 }
2237
2238
2239
2240
2241
2242 static void rsti_run(struct Scsi_Host *shpnt)
2243 {
2244 struct scsi_cmnd *ptr;
2245
2246 shost_printk(KERN_NOTICE, shpnt, "scsi reset in\n");
2247
2248 ptr=DISCONNECTED_SC;
2249 while(ptr) {
2250 struct scsi_cmnd *next = SCNEXT(ptr);
2251
2252 if (!ptr->device->soft_reset) {
2253 remove_SC(&DISCONNECTED_SC, ptr);
2254
2255 kfree(ptr->host_scribble);
2256 ptr->host_scribble=NULL;
2257
2258 ptr->result = DID_RESET << 16;
2259 ptr->scsi_done(ptr);
2260 }
2261
2262 ptr = next;
2263 }
2264
2265 if(CURRENT_SC && !CURRENT_SC->device->soft_reset)
2266 done(shpnt, DID_RESET << 16 );
2267 }
2268
2269
2270
2271
2272
2273
2274 static void is_complete(struct Scsi_Host *shpnt)
2275 {
2276 int dataphase;
2277 unsigned long flags;
2278 int pending;
2279
2280 if(!shpnt)
2281 return;
2282
2283 DO_LOCK(flags);
2284
2285 if( HOSTDATA(shpnt)->service==0 ) {
2286 DO_UNLOCK(flags);
2287 return;
2288 }
2289
2290 HOSTDATA(shpnt)->service = 0;
2291
2292 if(HOSTDATA(shpnt)->in_intr) {
2293 DO_UNLOCK(flags);
2294
2295 aha152x_error(shpnt, "bottom-half already running!?");
2296 }
2297 HOSTDATA(shpnt)->in_intr++;
2298
2299
2300
2301
2302
2303 do {
2304 unsigned long start = jiffies;
2305 DO_UNLOCK(flags);
2306
2307 dataphase=update_state(shpnt);
2308
2309
2310
2311
2312
2313 if(PREVSTATE!=STATE && states[PREVSTATE].end)
2314 states[PREVSTATE].end(shpnt);
2315
2316
2317
2318
2319
2320
2321 if(states[PREVSTATE].spio && !states[STATE].spio) {
2322 SETPORT(SXFRCTL0, CH1);
2323 SETPORT(DMACNTRL0, 0);
2324 if(CURRENT_SC)
2325 CURRENT_SC->SCp.phase &= ~spiordy;
2326 }
2327
2328
2329
2330
2331
2332 if(dataphase) {
2333 SETPORT(SSTAT0, REQINIT);
2334 SETPORT(SCSISIG, GETPORT(SCSISIG) & P_MASK);
2335 SETPORT(SSTAT1, PHASECHG);
2336 }
2337
2338
2339
2340
2341
2342
2343 if(!states[PREVSTATE].spio && states[STATE].spio) {
2344 SETPORT(DMACNTRL0, 0);
2345 SETPORT(SXFRCTL0, CH1|SPIOEN);
2346 if(CURRENT_SC)
2347 CURRENT_SC->SCp.phase |= spiordy;
2348 }
2349
2350
2351
2352
2353
2354 if(PREVSTATE!=STATE && states[STATE].init)
2355 states[STATE].init(shpnt);
2356
2357
2358
2359
2360
2361 if(states[STATE].run)
2362 states[STATE].run(shpnt);
2363 else
2364 scmd_printk(KERN_ERR, CURRENT_SC,
2365 "unexpected state (%x)\n", STATE);
2366
2367
2368
2369
2370
2371
2372
2373 DO_LOCK(flags);
2374 pending=setup_expected_interrupts(shpnt);
2375 #if defined(AHA152X_STAT)
2376 HOSTDATA(shpnt)->count[STATE]++;
2377 if(PREVSTATE!=STATE)
2378 HOSTDATA(shpnt)->count_trans[STATE]++;
2379 HOSTDATA(shpnt)->time[STATE] += jiffies-start;
2380 #endif
2381
2382 } while(pending);
2383
2384
2385
2386
2387
2388 HOSTDATA(shpnt)->in_intr--;
2389 SETBITS(DMACNTRL0, INTEN);
2390 DO_UNLOCK(flags);
2391 }
2392
2393
2394
2395
2396
2397 static void aha152x_error(struct Scsi_Host *shpnt, char *msg)
2398 {
2399 shost_printk(KERN_EMERG, shpnt, "%s\n", msg);
2400 show_queues(shpnt);
2401 panic("aha152x panic\n");
2402 }
2403
2404
2405
2406
2407 static void disp_enintr(struct Scsi_Host *shpnt)
2408 {
2409 int s0, s1;
2410
2411 s0 = GETPORT(SIMODE0);
2412 s1 = GETPORT(SIMODE1);
2413
2414 shost_printk(KERN_DEBUG, shpnt,
2415 "enabled interrupts (%s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
2416 (s0 & ENSELDO) ? "ENSELDO " : "",
2417 (s0 & ENSELDI) ? "ENSELDI " : "",
2418 (s0 & ENSELINGO) ? "ENSELINGO " : "",
2419 (s0 & ENSWRAP) ? "ENSWRAP " : "",
2420 (s0 & ENSDONE) ? "ENSDONE " : "",
2421 (s0 & ENSPIORDY) ? "ENSPIORDY " : "",
2422 (s0 & ENDMADONE) ? "ENDMADONE " : "",
2423 (s1 & ENSELTIMO) ? "ENSELTIMO " : "",
2424 (s1 & ENATNTARG) ? "ENATNTARG " : "",
2425 (s1 & ENPHASEMIS) ? "ENPHASEMIS " : "",
2426 (s1 & ENBUSFREE) ? "ENBUSFREE " : "",
2427 (s1 & ENSCSIPERR) ? "ENSCSIPERR " : "",
2428 (s1 & ENPHASECHG) ? "ENPHASECHG " : "",
2429 (s1 & ENREQINIT) ? "ENREQINIT " : "");
2430 }
2431
2432
2433
2434
2435 static void show_command(struct scsi_cmnd *ptr)
2436 {
2437 scsi_print_command(ptr);
2438 scmd_printk(KERN_DEBUG, ptr,
2439 "request_bufflen=%d; resid=%d; "
2440 "phase |%s%s%s%s%s%s%s%s%s; next=0x%p",
2441 scsi_bufflen(ptr), scsi_get_resid(ptr),
2442 (ptr->SCp.phase & not_issued) ? "not issued|" : "",
2443 (ptr->SCp.phase & selecting) ? "selecting|" : "",
2444 (ptr->SCp.phase & identified) ? "identified|" : "",
2445 (ptr->SCp.phase & disconnected) ? "disconnected|" : "",
2446 (ptr->SCp.phase & completed) ? "completed|" : "",
2447 (ptr->SCp.phase & spiordy) ? "spiordy|" : "",
2448 (ptr->SCp.phase & syncneg) ? "syncneg|" : "",
2449 (ptr->SCp.phase & aborted) ? "aborted|" : "",
2450 (ptr->SCp.phase & resetted) ? "resetted|" : "",
2451 (SCDATA(ptr)) ? SCNEXT(ptr) : NULL);
2452 }
2453
2454
2455
2456
2457 static void show_queues(struct Scsi_Host *shpnt)
2458 {
2459 struct scsi_cmnd *ptr;
2460 unsigned long flags;
2461
2462 DO_LOCK(flags);
2463 printk(KERN_DEBUG "\nqueue status:\nissue_SC:\n");
2464 for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
2465 show_command(ptr);
2466 DO_UNLOCK(flags);
2467
2468 printk(KERN_DEBUG "current_SC:\n");
2469 if (CURRENT_SC)
2470 show_command(CURRENT_SC);
2471 else
2472 printk(KERN_DEBUG "none\n");
2473
2474 printk(KERN_DEBUG "disconnected_SC:\n");
2475 for (ptr = DISCONNECTED_SC; ptr; ptr = SCDATA(ptr) ? SCNEXT(ptr) : NULL)
2476 show_command(ptr);
2477
2478 disp_enintr(shpnt);
2479 }
2480
2481 static void get_command(struct seq_file *m, struct scsi_cmnd * ptr)
2482 {
2483 int i;
2484
2485 seq_printf(m, "%p: target=%d; lun=%d; cmnd=( ",
2486 ptr, ptr->device->id, (u8)ptr->device->lun);
2487
2488 for (i = 0; i < COMMAND_SIZE(ptr->cmnd[0]); i++)
2489 seq_printf(m, "0x%02x ", ptr->cmnd[i]);
2490
2491 seq_printf(m, "); resid=%d; residual=%d; buffers=%d; phase |",
2492 scsi_get_resid(ptr), ptr->SCp.this_residual,
2493 sg_nents(ptr->SCp.buffer) - 1);
2494
2495 if (ptr->SCp.phase & not_issued)
2496 seq_puts(m, "not issued|");
2497 if (ptr->SCp.phase & selecting)
2498 seq_puts(m, "selecting|");
2499 if (ptr->SCp.phase & disconnected)
2500 seq_puts(m, "disconnected|");
2501 if (ptr->SCp.phase & aborted)
2502 seq_puts(m, "aborted|");
2503 if (ptr->SCp.phase & identified)
2504 seq_puts(m, "identified|");
2505 if (ptr->SCp.phase & completed)
2506 seq_puts(m, "completed|");
2507 if (ptr->SCp.phase & spiordy)
2508 seq_puts(m, "spiordy|");
2509 if (ptr->SCp.phase & syncneg)
2510 seq_puts(m, "syncneg|");
2511 seq_printf(m, "; next=0x%p\n", SCNEXT(ptr));
2512 }
2513
2514 static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)
2515 {
2516 int s;
2517
2518 seq_printf(m, "\n%s: %s(%s) ", CURRENT_SC ? "on bus" : "waiting", states[STATE].name, states[PREVSTATE].name);
2519
2520 s = GETPORT(SCSISEQ);
2521 seq_puts(m, "SCSISEQ( ");
2522 if (s & TEMODEO)
2523 seq_puts(m, "TARGET MODE ");
2524 if (s & ENSELO)
2525 seq_puts(m, "SELO ");
2526 if (s & ENSELI)
2527 seq_puts(m, "SELI ");
2528 if (s & ENRESELI)
2529 seq_puts(m, "RESELI ");
2530 if (s & ENAUTOATNO)
2531 seq_puts(m, "AUTOATNO ");
2532 if (s & ENAUTOATNI)
2533 seq_puts(m, "AUTOATNI ");
2534 if (s & ENAUTOATNP)
2535 seq_puts(m, "AUTOATNP ");
2536 if (s & SCSIRSTO)
2537 seq_puts(m, "SCSIRSTO ");
2538 seq_puts(m, ");");
2539
2540 seq_puts(m, " SCSISIG(");
2541 s = GETPORT(SCSISIG);
2542 switch (s & P_MASK) {
2543 case P_DATAO:
2544 seq_puts(m, "DATA OUT");
2545 break;
2546 case P_DATAI:
2547 seq_puts(m, "DATA IN");
2548 break;
2549 case P_CMD:
2550 seq_puts(m, "COMMAND");
2551 break;
2552 case P_STATUS:
2553 seq_puts(m, "STATUS");
2554 break;
2555 case P_MSGO:
2556 seq_puts(m, "MESSAGE OUT");
2557 break;
2558 case P_MSGI:
2559 seq_puts(m, "MESSAGE IN");
2560 break;
2561 default:
2562 seq_puts(m, "*invalid*");
2563 break;
2564 }
2565
2566 seq_puts(m, "); ");
2567
2568 seq_printf(m, "INTSTAT (%s); ", TESTHI(DMASTAT, INTSTAT) ? "hi" : "lo");
2569
2570 seq_puts(m, "SSTAT( ");
2571 s = GETPORT(SSTAT0);
2572 if (s & TARGET)
2573 seq_puts(m, "TARGET ");
2574 if (s & SELDO)
2575 seq_puts(m, "SELDO ");
2576 if (s & SELDI)
2577 seq_puts(m, "SELDI ");
2578 if (s & SELINGO)
2579 seq_puts(m, "SELINGO ");
2580 if (s & SWRAP)
2581 seq_puts(m, "SWRAP ");
2582 if (s & SDONE)
2583 seq_puts(m, "SDONE ");
2584 if (s & SPIORDY)
2585 seq_puts(m, "SPIORDY ");
2586 if (s & DMADONE)
2587 seq_puts(m, "DMADONE ");
2588
2589 s = GETPORT(SSTAT1);
2590 if (s & SELTO)
2591 seq_puts(m, "SELTO ");
2592 if (s & ATNTARG)
2593 seq_puts(m, "ATNTARG ");
2594 if (s & SCSIRSTI)
2595 seq_puts(m, "SCSIRSTI ");
2596 if (s & PHASEMIS)
2597 seq_puts(m, "PHASEMIS ");
2598 if (s & BUSFREE)
2599 seq_puts(m, "BUSFREE ");
2600 if (s & SCSIPERR)
2601 seq_puts(m, "SCSIPERR ");
2602 if (s & PHASECHG)
2603 seq_puts(m, "PHASECHG ");
2604 if (s & REQINIT)
2605 seq_puts(m, "REQINIT ");
2606 seq_puts(m, "); ");
2607
2608
2609 seq_puts(m, "SSTAT( ");
2610
2611 s = GETPORT(SSTAT0) & GETPORT(SIMODE0);
2612
2613 if (s & TARGET)
2614 seq_puts(m, "TARGET ");
2615 if (s & SELDO)
2616 seq_puts(m, "SELDO ");
2617 if (s & SELDI)
2618 seq_puts(m, "SELDI ");
2619 if (s & SELINGO)
2620 seq_puts(m, "SELINGO ");
2621 if (s & SWRAP)
2622 seq_puts(m, "SWRAP ");
2623 if (s & SDONE)
2624 seq_puts(m, "SDONE ");
2625 if (s & SPIORDY)
2626 seq_puts(m, "SPIORDY ");
2627 if (s & DMADONE)
2628 seq_puts(m, "DMADONE ");
2629
2630 s = GETPORT(SSTAT1) & GETPORT(SIMODE1);
2631
2632 if (s & SELTO)
2633 seq_puts(m, "SELTO ");
2634 if (s & ATNTARG)
2635 seq_puts(m, "ATNTARG ");
2636 if (s & SCSIRSTI)
2637 seq_puts(m, "SCSIRSTI ");
2638 if (s & PHASEMIS)
2639 seq_puts(m, "PHASEMIS ");
2640 if (s & BUSFREE)
2641 seq_puts(m, "BUSFREE ");
2642 if (s & SCSIPERR)
2643 seq_puts(m, "SCSIPERR ");
2644 if (s & PHASECHG)
2645 seq_puts(m, "PHASECHG ");
2646 if (s & REQINIT)
2647 seq_puts(m, "REQINIT ");
2648 seq_puts(m, "); ");
2649
2650 seq_puts(m, "SXFRCTL0( ");
2651
2652 s = GETPORT(SXFRCTL0);
2653 if (s & SCSIEN)
2654 seq_puts(m, "SCSIEN ");
2655 if (s & DMAEN)
2656 seq_puts(m, "DMAEN ");
2657 if (s & CH1)
2658 seq_puts(m, "CH1 ");
2659 if (s & CLRSTCNT)
2660 seq_puts(m, "CLRSTCNT ");
2661 if (s & SPIOEN)
2662 seq_puts(m, "SPIOEN ");
2663 if (s & CLRCH1)
2664 seq_puts(m, "CLRCH1 ");
2665 seq_puts(m, "); ");
2666
2667 seq_puts(m, "SIGNAL( ");
2668
2669 s = GETPORT(SCSISIG);
2670 if (s & SIG_ATNI)
2671 seq_puts(m, "ATNI ");
2672 if (s & SIG_SELI)
2673 seq_puts(m, "SELI ");
2674 if (s & SIG_BSYI)
2675 seq_puts(m, "BSYI ");
2676 if (s & SIG_REQI)
2677 seq_puts(m, "REQI ");
2678 if (s & SIG_ACKI)
2679 seq_puts(m, "ACKI ");
2680 seq_puts(m, "); ");
2681
2682 seq_printf(m, "SELID(%02x), ", GETPORT(SELID));
2683
2684 seq_printf(m, "STCNT(%d), ", GETSTCNT());
2685
2686 seq_puts(m, "SSTAT2( ");
2687
2688 s = GETPORT(SSTAT2);
2689 if (s & SOFFSET)
2690 seq_puts(m, "SOFFSET ");
2691 if (s & SEMPTY)
2692 seq_puts(m, "SEMPTY ");
2693 if (s & SFULL)
2694 seq_puts(m, "SFULL ");
2695 seq_printf(m, "); SFCNT (%d); ", s & (SFULL | SFCNT));
2696
2697 s = GETPORT(SSTAT3);
2698 seq_printf(m, "SCSICNT (%d), OFFCNT(%d), ", (s & 0xf0) >> 4, s & 0x0f);
2699
2700 seq_puts(m, "SSTAT4( ");
2701 s = GETPORT(SSTAT4);
2702 if (s & SYNCERR)
2703 seq_puts(m, "SYNCERR ");
2704 if (s & FWERR)
2705 seq_puts(m, "FWERR ");
2706 if (s & FRERR)
2707 seq_puts(m, "FRERR ");
2708 seq_puts(m, "); ");
2709
2710 seq_puts(m, "DMACNTRL0( ");
2711 s = GETPORT(DMACNTRL0);
2712 seq_printf(m, "%s ", s & _8BIT ? "8BIT" : "16BIT");
2713 seq_printf(m, "%s ", s & DMA ? "DMA" : "PIO");
2714 seq_printf(m, "%s ", s & WRITE_READ ? "WRITE" : "READ");
2715 if (s & ENDMA)
2716 seq_puts(m, "ENDMA ");
2717 if (s & INTEN)
2718 seq_puts(m, "INTEN ");
2719 if (s & RSTFIFO)
2720 seq_puts(m, "RSTFIFO ");
2721 if (s & SWINT)
2722 seq_puts(m, "SWINT ");
2723 seq_puts(m, "); ");
2724
2725 seq_puts(m, "DMASTAT( ");
2726 s = GETPORT(DMASTAT);
2727 if (s & ATDONE)
2728 seq_puts(m, "ATDONE ");
2729 if (s & WORDRDY)
2730 seq_puts(m, "WORDRDY ");
2731 if (s & DFIFOFULL)
2732 seq_puts(m, "DFIFOFULL ");
2733 if (s & DFIFOEMP)
2734 seq_puts(m, "DFIFOEMP ");
2735 seq_puts(m, ")\n");
2736
2737 seq_puts(m, "enabled interrupts( ");
2738
2739 s = GETPORT(SIMODE0);
2740 if (s & ENSELDO)
2741 seq_puts(m, "ENSELDO ");
2742 if (s & ENSELDI)
2743 seq_puts(m, "ENSELDI ");
2744 if (s & ENSELINGO)
2745 seq_puts(m, "ENSELINGO ");
2746 if (s & ENSWRAP)
2747 seq_puts(m, "ENSWRAP ");
2748 if (s & ENSDONE)
2749 seq_puts(m, "ENSDONE ");
2750 if (s & ENSPIORDY)
2751 seq_puts(m, "ENSPIORDY ");
2752 if (s & ENDMADONE)
2753 seq_puts(m, "ENDMADONE ");
2754
2755 s = GETPORT(SIMODE1);
2756 if (s & ENSELTIMO)
2757 seq_puts(m, "ENSELTIMO ");
2758 if (s & ENATNTARG)
2759 seq_puts(m, "ENATNTARG ");
2760 if (s & ENPHASEMIS)
2761 seq_puts(m, "ENPHASEMIS ");
2762 if (s & ENBUSFREE)
2763 seq_puts(m, "ENBUSFREE ");
2764 if (s & ENSCSIPERR)
2765 seq_puts(m, "ENSCSIPERR ");
2766 if (s & ENPHASECHG)
2767 seq_puts(m, "ENPHASECHG ");
2768 if (s & ENREQINIT)
2769 seq_puts(m, "ENREQINIT ");
2770 seq_puts(m, ")\n");
2771 }
2772
2773 static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)
2774 {
2775 if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)
2776 return -EINVAL;
2777
2778 #if defined(AHA152X_STAT)
2779 if(length>13 && strncmp("reset", buffer+8, 5)==0) {
2780 int i;
2781
2782 HOSTDATA(shpnt)->total_commands=0;
2783 HOSTDATA(shpnt)->disconnections=0;
2784 HOSTDATA(shpnt)->busfree_without_any_action=0;
2785 HOSTDATA(shpnt)->busfree_without_old_command=0;
2786 HOSTDATA(shpnt)->busfree_without_new_command=0;
2787 HOSTDATA(shpnt)->busfree_without_done_command=0;
2788 HOSTDATA(shpnt)->busfree_with_check_condition=0;
2789 for (i = idle; i<maxstate; i++) {
2790 HOSTDATA(shpnt)->count[i]=0;
2791 HOSTDATA(shpnt)->count_trans[i]=0;
2792 HOSTDATA(shpnt)->time[i]=0;
2793 }
2794
2795 shost_printk(KERN_INFO, shpnt, "aha152x: stats reset.\n");
2796
2797 } else
2798 #endif
2799 {
2800 return -EINVAL;
2801 }
2802
2803
2804 return length;
2805 }
2806
2807 static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
2808 {
2809 int i;
2810 struct scsi_cmnd *ptr;
2811 unsigned long flags;
2812
2813 seq_puts(m, AHA152X_REVID "\n");
2814
2815 seq_printf(m, "ioports 0x%04lx to 0x%04lx\n",
2816 shpnt->io_port, shpnt->io_port + shpnt->n_io_port - 1);
2817 seq_printf(m, "interrupt 0x%02x\n", shpnt->irq);
2818 seq_printf(m, "disconnection/reconnection %s\n",
2819 RECONNECT ? "enabled" : "disabled");
2820 seq_printf(m, "parity checking %s\n",
2821 PARITY ? "enabled" : "disabled");
2822 seq_printf(m, "synchronous transfers %s\n",
2823 SYNCHRONOUS ? "enabled" : "disabled");
2824 seq_printf(m, "%d commands currently queued\n", HOSTDATA(shpnt)->commands);
2825
2826 if(SYNCHRONOUS) {
2827 seq_puts(m, "synchronously operating targets (tick=50 ns):\n");
2828 for (i = 0; i < 8; i++)
2829 if (HOSTDATA(shpnt)->syncrate[i] & 0x7f)
2830 seq_printf(m, "target %d: period %dT/%dns; req/ack offset %d\n",
2831 i,
2832 (((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2),
2833 (((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2) * 50,
2834 HOSTDATA(shpnt)->syncrate[i] & 0x0f);
2835 }
2836 seq_puts(m, "\nqueue status:\n");
2837 DO_LOCK(flags);
2838 if (ISSUE_SC) {
2839 seq_puts(m, "not yet issued commands:\n");
2840 for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
2841 get_command(m, ptr);
2842 } else
2843 seq_puts(m, "no not yet issued commands\n");
2844 DO_UNLOCK(flags);
2845
2846 if (CURRENT_SC) {
2847 seq_puts(m, "current command:\n");
2848 get_command(m, CURRENT_SC);
2849 } else
2850 seq_puts(m, "no current command\n");
2851
2852 if (DISCONNECTED_SC) {
2853 seq_puts(m, "disconnected commands:\n");
2854 for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
2855 get_command(m, ptr);
2856 } else
2857 seq_puts(m, "no disconnected commands\n");
2858
2859 get_ports(m, shpnt);
2860
2861 #if defined(AHA152X_STAT)
2862 seq_printf(m, "statistics:\n"
2863 "total commands: %d\n"
2864 "disconnections: %d\n"
2865 "busfree with check condition: %d\n"
2866 "busfree without old command: %d\n"
2867 "busfree without new command: %d\n"
2868 "busfree without done command: %d\n"
2869 "busfree without any action: %d\n"
2870 "state "
2871 "transitions "
2872 "count "
2873 "time\n",
2874 HOSTDATA(shpnt)->total_commands,
2875 HOSTDATA(shpnt)->disconnections,
2876 HOSTDATA(shpnt)->busfree_with_check_condition,
2877 HOSTDATA(shpnt)->busfree_without_old_command,
2878 HOSTDATA(shpnt)->busfree_without_new_command,
2879 HOSTDATA(shpnt)->busfree_without_done_command,
2880 HOSTDATA(shpnt)->busfree_without_any_action);
2881 for(i=0; i<maxstate; i++) {
2882 seq_printf(m, "%-10s %-12d %-12d %-12ld\n",
2883 states[i].name,
2884 HOSTDATA(shpnt)->count_trans[i],
2885 HOSTDATA(shpnt)->count[i],
2886 HOSTDATA(shpnt)->time[i]);
2887 }
2888 #endif
2889 return 0;
2890 }
2891
2892 static int aha152x_adjust_queue(struct scsi_device *device)
2893 {
2894 blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
2895 return 0;
2896 }
2897
2898 static struct scsi_host_template aha152x_driver_template = {
2899 .module = THIS_MODULE,
2900 .name = AHA152X_REVID,
2901 .proc_name = "aha152x",
2902 .show_info = aha152x_show_info,
2903 .write_info = aha152x_set_info,
2904 .queuecommand = aha152x_queue,
2905 .eh_abort_handler = aha152x_abort,
2906 .eh_device_reset_handler = aha152x_device_reset,
2907 .eh_bus_reset_handler = aha152x_bus_reset,
2908 .bios_param = aha152x_biosparam,
2909 .can_queue = 1,
2910 .this_id = 7,
2911 .sg_tablesize = SG_ALL,
2912 .dma_boundary = PAGE_SIZE - 1,
2913 .slave_alloc = aha152x_adjust_queue,
2914 };
2915
2916 #if !defined(AHA152X_PCMCIA)
2917 static int setup_count;
2918 static struct aha152x_setup setup[2];
2919
2920
2921 static unsigned short ports[] = { 0x340, 0x140 };
2922
2923 #if !defined(SKIP_BIOSTEST)
2924
2925 static unsigned int addresses[] =
2926 {
2927 0xdc000,
2928 0xc8000,
2929 0xcc000,
2930 0xd0000,
2931 0xd4000,
2932 0xd8000,
2933 0xe0000,
2934 0xeb800,
2935 0xf0000,
2936 };
2937
2938
2939
2940
2941
2942
2943
2944
2945 static struct signature {
2946 unsigned char *signature;
2947 int sig_offset;
2948 int sig_length;
2949 } signatures[] =
2950 {
2951 { "Adaptec AHA-1520 BIOS", 0x102e, 21 },
2952
2953 { "Adaptec AHA-1520B", 0x000b, 17 },
2954
2955 { "Adaptec AHA-1520B", 0x0026, 17 },
2956
2957 { "Adaptec ASW-B626 BIOS", 0x1029, 21 },
2958
2959 { "Adaptec BIOS: ASW-B626", 0x000f, 22 },
2960
2961 { "Adaptec ASW-B626 S2", 0x2e6c, 19 },
2962
2963 { "Adaptec BIOS:AIC-6360", 0x000c, 21 },
2964
2965 { "ScsiPro SP-360 BIOS", 0x2873, 19 },
2966
2967 { "GA-400 LOCAL BUS SCSI BIOS", 0x102e, 26 },
2968
2969 { "Adaptec BIOS:AVA-282X", 0x000c, 21 },
2970
2971 { "Adaptec IBM Dock II SCSI", 0x2edd, 24 },
2972
2973 { "Adaptec BIOS:AHA-1532P", 0x001c, 22 },
2974
2975 { "DTC3520A Host Adapter BIOS", 0x318a, 26 },
2976
2977 };
2978 #endif
2979
2980
2981
2982
2983
2984 static int aha152x_porttest(int io_port)
2985 {
2986 int i;
2987
2988 SETPORT(io_port + O_DMACNTRL1, 0);
2989 for (i = 0; i < 16; i++)
2990 SETPORT(io_port + O_STACK, i);
2991
2992 SETPORT(io_port + O_DMACNTRL1, 0);
2993 for (i = 0; i < 16 && GETPORT(io_port + O_STACK) == i; i++)
2994 ;
2995
2996 return (i == 16);
2997 }
2998
2999 static int tc1550_porttest(int io_port)
3000 {
3001 int i;
3002
3003 SETPORT(io_port + O_TC_DMACNTRL1, 0);
3004 for (i = 0; i < 16; i++)
3005 SETPORT(io_port + O_STACK, i);
3006
3007 SETPORT(io_port + O_TC_DMACNTRL1, 0);
3008 for (i = 0; i < 16 && GETPORT(io_port + O_TC_STACK) == i; i++)
3009 ;
3010
3011 return (i == 16);
3012 }
3013
3014
3015 static int checksetup(struct aha152x_setup *setup)
3016 {
3017 int i;
3018 for (i = 0; i < ARRAY_SIZE(ports) && (setup->io_port != ports[i]); i++)
3019 ;
3020
3021 if (i == ARRAY_SIZE(ports))
3022 return 0;
3023
3024 if (!request_region(setup->io_port, IO_RANGE, "aha152x")) {
3025 printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup->io_port);
3026 return 0;
3027 }
3028
3029 if( aha152x_porttest(setup->io_port) ) {
3030 setup->tc1550=0;
3031 } else if( tc1550_porttest(setup->io_port) ) {
3032 setup->tc1550=1;
3033 } else {
3034 release_region(setup->io_port, IO_RANGE);
3035 return 0;
3036 }
3037
3038 release_region(setup->io_port, IO_RANGE);
3039
3040 if ((setup->irq < IRQ_MIN) || (setup->irq > IRQ_MAX))
3041 return 0;
3042
3043 if ((setup->scsiid < 0) || (setup->scsiid > 7))
3044 return 0;
3045
3046 if ((setup->reconnect < 0) || (setup->reconnect > 1))
3047 return 0;
3048
3049 if ((setup->parity < 0) || (setup->parity > 1))
3050 return 0;
3051
3052 if ((setup->synchronous < 0) || (setup->synchronous > 1))
3053 return 0;
3054
3055 if ((setup->ext_trans < 0) || (setup->ext_trans > 1))
3056 return 0;
3057
3058
3059 return 1;
3060 }
3061
3062
3063 static int __init aha152x_init(void)
3064 {
3065 int i, j, ok;
3066 #if defined(AUTOCONF)
3067 aha152x_config conf;
3068 #endif
3069 #ifdef __ISAPNP__
3070 struct pnp_dev *dev=NULL, *pnpdev[2] = {NULL, NULL};
3071 #endif
3072
3073 if ( setup_count ) {
3074 printk(KERN_INFO "aha152x: processing commandline: ");
3075
3076 for (i = 0; i<setup_count; i++) {
3077 if (!checksetup(&setup[i])) {
3078 printk(KERN_ERR "\naha152x: %s\n", setup[i].conf);
3079 printk(KERN_ERR "aha152x: invalid line\n");
3080 }
3081 }
3082 printk("ok\n");
3083 }
3084
3085 #if defined(SETUP0)
3086 if (setup_count < ARRAY_SIZE(setup)) {
3087 struct aha152x_setup override = SETUP0;
3088
3089 if (setup_count == 0 || (override.io_port != setup[0].io_port)) {
3090 if (!checksetup(&override)) {
3091 printk(KERN_ERR "\naha152x: invalid override SETUP0={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
3092 override.io_port,
3093 override.irq,
3094 override.scsiid,
3095 override.reconnect,
3096 override.parity,
3097 override.synchronous,
3098 override.delay,
3099 override.ext_trans);
3100 } else
3101 setup[setup_count++] = override;
3102 }
3103 }
3104 #endif
3105
3106 #if defined(SETUP1)
3107 if (setup_count < ARRAY_SIZE(setup)) {
3108 struct aha152x_setup override = SETUP1;
3109
3110 if (setup_count == 0 || (override.io_port != setup[0].io_port)) {
3111 if (!checksetup(&override)) {
3112 printk(KERN_ERR "\naha152x: invalid override SETUP1={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
3113 override.io_port,
3114 override.irq,
3115 override.scsiid,
3116 override.reconnect,
3117 override.parity,
3118 override.synchronous,
3119 override.delay,
3120 override.ext_trans);
3121 } else
3122 setup[setup_count++] = override;
3123 }
3124 }
3125 #endif
3126
3127 #if defined(MODULE)
3128 if (setup_count<ARRAY_SIZE(setup) && (aha152x[0]!=0 || io[0]!=0 || irq[0]!=0)) {
3129 if(aha152x[0]!=0) {
3130 setup[setup_count].conf = "";
3131 setup[setup_count].io_port = aha152x[0];
3132 setup[setup_count].irq = aha152x[1];
3133 setup[setup_count].scsiid = aha152x[2];
3134 setup[setup_count].reconnect = aha152x[3];
3135 setup[setup_count].parity = aha152x[4];
3136 setup[setup_count].synchronous = aha152x[5];
3137 setup[setup_count].delay = aha152x[6];
3138 setup[setup_count].ext_trans = aha152x[7];
3139 } else if (io[0] != 0 || irq[0] != 0) {
3140 if(io[0]!=0) setup[setup_count].io_port = io[0];
3141 if(irq[0]!=0) setup[setup_count].irq = irq[0];
3142
3143 setup[setup_count].scsiid = scsiid[0];
3144 setup[setup_count].reconnect = reconnect[0];
3145 setup[setup_count].parity = parity[0];
3146 setup[setup_count].synchronous = sync[0];
3147 setup[setup_count].delay = delay[0];
3148 setup[setup_count].ext_trans = exttrans[0];
3149 }
3150
3151 if (checksetup(&setup[setup_count]))
3152 setup_count++;
3153 else
3154 printk(KERN_ERR "aha152x: invalid module params io=0x%x, irq=%d,scsiid=%d,reconnect=%d,parity=%d,sync=%d,delay=%d,exttrans=%d\n",
3155 setup[setup_count].io_port,
3156 setup[setup_count].irq,
3157 setup[setup_count].scsiid,
3158 setup[setup_count].reconnect,
3159 setup[setup_count].parity,
3160 setup[setup_count].synchronous,
3161 setup[setup_count].delay,
3162 setup[setup_count].ext_trans);
3163 }
3164
3165 if (setup_count<ARRAY_SIZE(setup) && (aha152x1[0]!=0 || io[1]!=0 || irq[1]!=0)) {
3166 if(aha152x1[0]!=0) {
3167 setup[setup_count].conf = "";
3168 setup[setup_count].io_port = aha152x1[0];
3169 setup[setup_count].irq = aha152x1[1];
3170 setup[setup_count].scsiid = aha152x1[2];
3171 setup[setup_count].reconnect = aha152x1[3];
3172 setup[setup_count].parity = aha152x1[4];
3173 setup[setup_count].synchronous = aha152x1[5];
3174 setup[setup_count].delay = aha152x1[6];
3175 setup[setup_count].ext_trans = aha152x1[7];
3176 } else if (io[1] != 0 || irq[1] != 0) {
3177 if(io[1]!=0) setup[setup_count].io_port = io[1];
3178 if(irq[1]!=0) setup[setup_count].irq = irq[1];
3179
3180 setup[setup_count].scsiid = scsiid[1];
3181 setup[setup_count].reconnect = reconnect[1];
3182 setup[setup_count].parity = parity[1];
3183 setup[setup_count].synchronous = sync[1];
3184 setup[setup_count].delay = delay[1];
3185 setup[setup_count].ext_trans = exttrans[1];
3186 }
3187 if (checksetup(&setup[setup_count]))
3188 setup_count++;
3189 else
3190 printk(KERN_ERR "aha152x: invalid module params io=0x%x, irq=%d,scsiid=%d,reconnect=%d,parity=%d,sync=%d,delay=%d,exttrans=%d\n",
3191 setup[setup_count].io_port,
3192 setup[setup_count].irq,
3193 setup[setup_count].scsiid,
3194 setup[setup_count].reconnect,
3195 setup[setup_count].parity,
3196 setup[setup_count].synchronous,
3197 setup[setup_count].delay,
3198 setup[setup_count].ext_trans);
3199 }
3200 #endif
3201
3202 #ifdef __ISAPNP__
3203 for(i=0; setup_count<ARRAY_SIZE(setup) && id_table[i].vendor; i++) {
3204 while ( setup_count<ARRAY_SIZE(setup) &&
3205 (dev=pnp_find_dev(NULL, id_table[i].vendor, id_table[i].function, dev)) ) {
3206 if (pnp_device_attach(dev) < 0)
3207 continue;
3208
3209 if (pnp_activate_dev(dev) < 0) {
3210 pnp_device_detach(dev);
3211 continue;
3212 }
3213
3214 if (!pnp_port_valid(dev, 0)) {
3215 pnp_device_detach(dev);
3216 continue;
3217 }
3218
3219 if (setup_count==1 && pnp_port_start(dev, 0)==setup[0].io_port) {
3220 pnp_device_detach(dev);
3221 continue;
3222 }
3223
3224 setup[setup_count].io_port = pnp_port_start(dev, 0);
3225 setup[setup_count].irq = pnp_irq(dev, 0);
3226 setup[setup_count].scsiid = 7;
3227 setup[setup_count].reconnect = 1;
3228 setup[setup_count].parity = 1;
3229 setup[setup_count].synchronous = 1;
3230 setup[setup_count].delay = DELAY_DEFAULT;
3231 setup[setup_count].ext_trans = 0;
3232 #if defined(__ISAPNP__)
3233 pnpdev[setup_count] = dev;
3234 #endif
3235 printk (KERN_INFO
3236 "aha152x: found ISAPnP adapter at io=0x%03x, irq=%d\n",
3237 setup[setup_count].io_port, setup[setup_count].irq);
3238 setup_count++;
3239 }
3240 }
3241 #endif
3242
3243 #if defined(AUTOCONF)
3244 if (setup_count<ARRAY_SIZE(setup)) {
3245 #if !defined(SKIP_BIOSTEST)
3246 ok = 0;
3247 for (i = 0; i < ARRAY_SIZE(addresses) && !ok; i++) {
3248 void __iomem *p = ioremap(addresses[i], 0x4000);
3249 if (!p)
3250 continue;
3251 for (j = 0; j<ARRAY_SIZE(signatures) && !ok; j++)
3252 ok = check_signature(p + signatures[j].sig_offset,
3253 signatures[j].signature, signatures[j].sig_length);
3254 iounmap(p);
3255 }
3256 if (!ok && setup_count == 0)
3257 return -ENODEV;
3258
3259 printk(KERN_INFO "aha152x: BIOS test: passed, ");
3260 #else
3261 printk(KERN_INFO "aha152x: ");
3262 #endif
3263
3264 ok = 0;
3265 for (i = 0; i < ARRAY_SIZE(ports) && setup_count < 2; i++) {
3266 if ((setup_count == 1) && (setup[0].io_port == ports[i]))
3267 continue;
3268
3269 if (!request_region(ports[i], IO_RANGE, "aha152x")) {
3270 printk(KERN_ERR "aha152x: io port 0x%x busy.\n", ports[i]);
3271 continue;
3272 }
3273
3274 if (aha152x_porttest(ports[i])) {
3275 setup[setup_count].tc1550 = 0;
3276
3277 conf.cf_port =
3278 (GETPORT(ports[i] + O_PORTA) << 8) + GETPORT(ports[i] + O_PORTB);
3279 } else if (tc1550_porttest(ports[i])) {
3280 setup[setup_count].tc1550 = 1;
3281
3282 conf.cf_port =
3283 (GETPORT(ports[i] + O_TC_PORTA) << 8) + GETPORT(ports[i] + O_TC_PORTB);
3284 } else {
3285 release_region(ports[i], IO_RANGE);
3286 continue;
3287 }
3288
3289 release_region(ports[i], IO_RANGE);
3290
3291 ok++;
3292 setup[setup_count].io_port = ports[i];
3293 setup[setup_count].irq = IRQ_MIN + conf.cf_irq;
3294 setup[setup_count].scsiid = conf.cf_id;
3295 setup[setup_count].reconnect = conf.cf_tardisc;
3296 setup[setup_count].parity = !conf.cf_parity;
3297 setup[setup_count].synchronous = conf.cf_syncneg;
3298 setup[setup_count].delay = DELAY_DEFAULT;
3299 setup[setup_count].ext_trans = 0;
3300 setup_count++;
3301
3302 }
3303
3304 if (ok)
3305 printk("auto configuration: ok, ");
3306 }
3307 #endif
3308
3309 printk("%d controller(s) configured\n", setup_count);
3310
3311 for (i=0; i<setup_count; i++) {
3312 if ( request_region(setup[i].io_port, IO_RANGE, "aha152x") ) {
3313 struct Scsi_Host *shpnt = aha152x_probe_one(&setup[i]);
3314
3315 if( !shpnt ) {
3316 release_region(setup[i].io_port, IO_RANGE);
3317 #if defined(__ISAPNP__)
3318 } else if( pnpdev[i] ) {
3319 HOSTDATA(shpnt)->pnpdev=pnpdev[i];
3320 pnpdev[i]=NULL;
3321 #endif
3322 }
3323 } else {
3324 printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup[i].io_port);
3325 }
3326
3327 #if defined(__ISAPNP__)
3328 if( pnpdev[i] )
3329 pnp_device_detach(pnpdev[i]);
3330 #endif
3331 }
3332
3333 return 0;
3334 }
3335
3336 static void __exit aha152x_exit(void)
3337 {
3338 struct aha152x_hostdata *hd, *tmp;
3339
3340 list_for_each_entry_safe(hd, tmp, &aha152x_host_list, host_list) {
3341 struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
3342
3343 aha152x_release(shost);
3344 }
3345 }
3346
3347 module_init(aha152x_init);
3348 module_exit(aha152x_exit);
3349
3350 #if !defined(MODULE)
3351 static int __init aha152x_setup(char *str)
3352 {
3353 int ints[10];
3354
3355 get_options(str, ARRAY_SIZE(ints), ints);
3356
3357 if(setup_count>=ARRAY_SIZE(setup)) {
3358 printk(KERN_ERR "aha152x: you can only configure up to two controllers\n");
3359 return 1;
3360 }
3361
3362 setup[setup_count].conf = str;
3363 setup[setup_count].io_port = ints[0] >= 1 ? ints[1] : 0x340;
3364 setup[setup_count].irq = ints[0] >= 2 ? ints[2] : 11;
3365 setup[setup_count].scsiid = ints[0] >= 3 ? ints[3] : 7;
3366 setup[setup_count].reconnect = ints[0] >= 4 ? ints[4] : 1;
3367 setup[setup_count].parity = ints[0] >= 5 ? ints[5] : 1;
3368 setup[setup_count].synchronous = ints[0] >= 6 ? ints[6] : 1;
3369 setup[setup_count].delay = ints[0] >= 7 ? ints[7] : DELAY_DEFAULT;
3370 setup[setup_count].ext_trans = ints[0] >= 8 ? ints[8] : 0;
3371 if (ints[0] > 8) {
3372 printk(KERN_NOTICE "aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
3373 "[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<EXT_TRANS>]]]]]]]\n");
3374 } else {
3375 setup_count++;
3376 return 0;
3377 }
3378
3379 return 1;
3380 }
3381 __setup("aha152x=", aha152x_setup);
3382 #endif
3383
3384 #endif