aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/isdn/hardware/eicon/os_bri.c
blob: f31bba5b16ffa7ae2afd25c52c6ece5b188e9a33 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
/* $Id: os_bri.c,v 1.21 2004/03/21 17:26:01 armin Exp $ */

#include "platform.h"
#include "debuglib.h"
#include "cardtype.h"
#include "pc.h"
#include "pr_pc.h"
#include "di_defs.h"
#include "dsp_defs.h"
#include "di.h"
#include "io.h"

#include "xdi_msg.h"
#include "xdi_adapter.h"
#include "os_bri.h"
#include "diva_pci.h"
#include "mi_pc.h"
#include "pc_maint.h"
#include "dsrv_bri.h"

/*
**  IMPORTS
*/
extern void prepare_maestra_functions(PISDN_ADAPTER IoAdapter);
extern void diva_xdi_display_adapter_features(int card);
extern int diva_card_read_xlog(diva_os_xdi_adapter_t * a);

/*
**  LOCALS
*/
static int bri_bar_length[3] = {
	0x80,
	0x80,
	0x20
};
static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t * a);
static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t * a);
static int diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
				  diva_xdi_um_cfg_cmd_t * cmd, int length);
static int diva_bri_reregister_io(diva_os_xdi_adapter_t * a);
static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter);
static int diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
				      dword address,
				      const byte * data, dword length);
static int diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
				  dword start_address, dword features);
static int diva_bri_stop_adapter(diva_os_xdi_adapter_t * a);

static void diva_bri_set_addresses(diva_os_xdi_adapter_t * a)
{
	a->resources.pci.mem_type_id[MEM_TYPE_RAM] = 0;
	a->resources.pci.mem_type_id[MEM_TYPE_CFG] = 1;
	a->resources.pci.mem_type_id[MEM_TYPE_ADDRESS] = 2;
	a->resources.pci.mem_type_id[MEM_TYPE_RESET] = 1;
	a->resources.pci.mem_type_id[MEM_TYPE_PORT] = 2;
	a->resources.pci.mem_type_id[MEM_TYPE_CTLREG] = 2;
	
	a->xdi_adapter.ram = a->resources.pci.addr[0];
	a->xdi_adapter.cfg = a->resources.pci.addr[1];
	a->xdi_adapter.Address = a->resources.pci.addr[2];

	a->xdi_adapter.reset = a->xdi_adapter.cfg;
	a->xdi_adapter.port = a->xdi_adapter.Address;

	a->xdi_adapter.ctlReg = a->xdi_adapter.port + M_PCI_RESET;

	a->xdi_adapter.reset += 0x4C;	/* PLX 9050 !! */
}

/*
**  BAR0 - MEM Addr  - 0x80  - NOT USED
**  BAR1 - I/O Addr  - 0x80
**  BAR2 - I/O Addr  - 0x20
*/
int diva_bri_init_card(diva_os_xdi_adapter_t * a)
{
	int bar;
	dword bar2 = 0, bar2_length = 0xffffffff;
	word cmd = 0, cmd_org;
	byte Bus, Slot;
	void *hdev;
	byte __iomem *p;

	/*
	   Set properties
	 */
	a->xdi_adapter.Properties = CardProperties[a->CardOrdinal];
	DBG_LOG(("Load %s", a->xdi_adapter.Properties.Name))

	    /*
	       Get resources
	     */
	    for (bar = 0; bar < 3; bar++) {
		a->resources.pci.bar[bar] =
		    divasa_get_pci_bar(a->resources.pci.bus,
				       a->resources.pci.func, bar,
				       a->resources.pci.hdev);
		if (!a->resources.pci.bar[bar]) {
			DBG_ERR(("A: can't get BAR[%d]", bar))
			return (-1);
		}
	}

	a->resources.pci.irq =
	    (byte) divasa_get_pci_irq(a->resources.pci.bus,
				      a->resources.pci.func,
				      a->resources.pci.hdev);
	if (!a->resources.pci.irq) {
		DBG_ERR(("A: invalid irq"));
		return (-1);
	}

	/*
	   Get length of I/O bar 2 - it is different by older
	   EEPROM version
	 */
	Bus = a->resources.pci.bus;
	Slot = a->resources.pci.func;
	hdev = a->resources.pci.hdev;

	/*
	   Get plain original values of the BAR2 CDM registers
	 */
	PCIread(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
	PCIread(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
	/*
	   Disable device and get BAR2 length
	 */
	PCIwrite(Bus, Slot, 0x04, &cmd, sizeof(cmd), hdev);
	PCIwrite(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
	PCIread(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
	/*
	   Restore BAR2 and CMD registers
	 */
	PCIwrite(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
	PCIwrite(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);

	/*
	   Calculate BAR2 length
	 */
	bar2_length = (~(bar2_length & ~7)) + 1;
	DBG_LOG(("BAR[2] length=%lx", bar2_length))

	    /*
	       Map and register resources
	     */
	    if (!(a->resources.pci.addr[0] =
		 divasa_remap_pci_bar(a, 0, a->resources.pci.bar[0],
				      bri_bar_length[0]))) {
		DBG_ERR(("A: BRI, can't map BAR[0]"))
		diva_bri_cleanup_adapter(a);
		return (-1);
	}

	sprintf(&a->port_name[0], "BRI %02x:%02x",
		a->resources.pci.bus, a->resources.pci.func);

	if (diva_os_register_io_port(a, 1, a->resources.pci.bar[1],
				     bri_bar_length[1], &a->port_name[0], 1)) {
		DBG_ERR(("A: BRI, can't register BAR[1]"))
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	a->resources.pci.addr[1] = (void *) (unsigned long) a->resources.pci.bar[1];
	a->resources.pci.length[1] = bri_bar_length[1];

	if (diva_os_register_io_port(a, 1, a->resources.pci.bar[2],
				     bar2_length, &a->port_name[0], 2)) {
		DBG_ERR(("A: BRI, can't register BAR[2]"))
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	a->resources.pci.addr[2] = (void *) (unsigned long) a->resources.pci.bar[2];
	a->resources.pci.length[2] = bar2_length;

	/*
	   Set all memory areas
	 */
	diva_bri_set_addresses(a);

	/*
	   Get Serial Number
	 */
	a->xdi_adapter.serialNo = diva_bri_get_serial_number(a);

	/*
	   Register I/O ports with correct name now
	 */
	if (diva_bri_reregister_io(a)) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}

	/*
	   Initialize OS dependent objects
	 */
	if (diva_os_initialize_spin_lock
	    (&a->xdi_adapter.isr_spin_lock, "isr")) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	if (diva_os_initialize_spin_lock
	    (&a->xdi_adapter.data_spin_lock, "data")) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}

	strcpy(a->xdi_adapter.req_soft_isr.dpc_thread_name, "kdivasbrid");

	if (diva_os_initialize_soft_isr(&a->xdi_adapter.req_soft_isr,
					DIDpcRoutine, &a->xdi_adapter)) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	/*
	   Do not initialize second DPC - only one thread will be created
	 */
	a->xdi_adapter.isr_soft_isr.object = a->xdi_adapter.req_soft_isr.object;

	/*
	   Create entity table
	 */
	a->xdi_adapter.Channels = CardProperties[a->CardOrdinal].Channels;
	a->xdi_adapter.e_max = CardProperties[a->CardOrdinal].E_info;
	a->xdi_adapter.e_tbl = diva_os_malloc(0, a->xdi_adapter.e_max * sizeof(E_INFO));
	if (!a->xdi_adapter.e_tbl) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	memset(a->xdi_adapter.e_tbl, 0x00, a->xdi_adapter.e_max * sizeof(E_INFO));

	/*
	   Set up interface
	 */
	a->xdi_adapter.a.io = &a->xdi_adapter;
	a->xdi_adapter.DIRequest = request;
	a->interface.cleanup_adapter_proc = diva_bri_cleanup_adapter;
	a->interface.cmd_proc = diva_bri_cmd_card_proc;

	p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
	outpp(p, 0x41);
	DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);

	prepare_maestra_functions(&a->xdi_adapter);

	a->dsp_mask = 0x00000003;

	/*
	   Set IRQ handler
	 */
	a->xdi_adapter.irq_info.irq_nr = a->resources.pci.irq;
	sprintf(a->xdi_adapter.irq_info.irq_name, "DIVA BRI %ld",
		(long) a->xdi_adapter.serialNo);
	if (diva_os_register_irq(a, a->xdi_adapter.irq_info.irq_nr,
				 a->xdi_adapter.irq_info.irq_name)) {
		diva_bri_cleanup_adapter(a);
		return (-1);
	}
	a->xdi_adapter.irq_info.registered = 1;

	diva_log_info("%s IRQ:%d SerNo:%d", a->xdi_adapter.Properties.Name,
		      a->resources.pci.irq, a->xdi_adapter.serialNo);

	return (0);
}


static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t * a)
{
	int i;

	if (a->xdi_adapter.Initialized) {
		diva_bri_stop_adapter(a);
	}

	/*
	   Remove ISR Handler
	 */
	if (a->xdi_adapter.irq_info.registered) {
		diva_os_remove_irq(a, a->xdi_adapter.irq_info.irq_nr);
	}
	a->xdi_adapter.irq_info.registered = 0;

	if (a->resources.pci.addr[0] && a->resources.pci.bar[0]) {
		divasa_unmap_pci_bar(a->resources.pci.addr[0]);
		a->resources.pci.addr[0] = NULL;
		a->resources.pci.bar[0] = 0;
	}

	for (i = 1; i < 3; i++) {
		if (a->resources.pci.addr[i] && a->resources.pci.bar[i]) {
			diva_os_register_io_port(a, 0,
						 a->resources.pci.bar[i],
						 a->resources.pci.
						 length[i],
						 &a->port_name[0], i);
			a->resources.pci.addr[i] = NULL;
			a->resources.pci.bar[i] = 0;
		}
	}

	/*
	   Free OS objects
	 */
	diva_os_cancel_soft_isr(&a->xdi_adapter.req_soft_isr);
	diva_os_cancel_soft_isr(&a->xdi_adapter.isr_soft_isr);

	diva_os_remove_soft_isr(&a->xdi_adapter.req_soft_isr);
	a->xdi_adapter.isr_soft_isr.object = NULL;

	diva_os_destroy_spin_lock(&a->xdi_adapter.isr_spin_lock, "rm");
	diva_os_destroy_spin_lock(&a->xdi_adapter.data_spin_lock, "rm");

	/*
	   Free memory
	 */
	if (a->xdi_adapter.e_tbl) {
		diva_os_free(0, a->xdi_adapter.e_tbl);
		a->xdi_adapter.e_tbl = NULL;
	}

	return (0);
}

void diva_os_prepare_maestra_functions(PISDN_ADAPTER IoAdapter)
{
}

/*
**  Get serial number
*/
static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t * a)
{
	dword serNo = 0;
	byte __iomem *confIO;
	word serHi, serLo;
	word __iomem *confMem;

	confIO = DIVA_OS_MEM_ATTACH_CFG(&a->xdi_adapter);
	serHi = (word) (inppw(&confIO[0x22]) & 0x0FFF);
	serLo = (word) (inppw(&confIO[0x26]) & 0x0FFF);
	serNo = ((dword) serHi << 16) | (dword) serLo;
	DIVA_OS_MEM_DETACH_CFG(&a->xdi_adapter, confIO);

	if ((serNo == 0) || (serNo == 0xFFFFFFFF)) {
		DBG_FTL(("W: BRI use BAR[0] to get card serial number"))

		confMem = (word __iomem *)DIVA_OS_MEM_ATTACH_RAM(&a->xdi_adapter);
		serHi = (word) (READ_WORD(&confMem[0x11]) & 0x0FFF);
		serLo = (word) (READ_WORD(&confMem[0x13]) & 0x0FFF);
		serNo = (((dword) serHi) << 16) | ((dword) serLo);
		DIVA_OS_MEM_DETACH_RAM(&a->xdi_adapter, confMem);
	}

	DBG_LOG(("Serial Number=%ld", serNo))

	return (serNo);
}

/*
**  Unregister I/O and register it with new name,
**  based on Serial Number
*/
static int diva_bri_reregister_io(diva_os_xdi_adapter_t * a)
{
	int i;

	for (i = 1; i < 3; i++) {
		diva_os_register_io_port(a, 0, a->resources.pci.bar[i],
					 a->resources.pci.length[i],
					 &a->port_name[0], i);
		a->resources.pci.addr[i] = NULL;
	}

	sprintf(a->port_name, "DIVA BRI %ld",
		(long) a->xdi_adapter.serialNo);

	for (i = 1; i < 3; i++) {
		if (diva_os_register_io_port(a, 1, a->resources.pci.bar[i],
					     a->resources.pci.length[i],
					     &a->port_name[0], i)) {
			DBG_ERR(("A: failed to reregister BAR[%d]", i))
			return (-1);
		}
		a->resources.pci.addr[i] =
		    (void *) (unsigned long) a->resources.pci.bar[i];
	}

	return (0);
}

/*
**  Process command from user mode
*/
static int
diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
		       diva_xdi_um_cfg_cmd_t * cmd, int length)
{
	int ret = -1;

	if (cmd->adapter != a->controller) {
		DBG_ERR(("A: pri_cmd, invalid controller=%d != %d",
			 cmd->adapter, a->controller))
		return (-1);
	}

	switch (cmd->command) {
	case DIVA_XDI_UM_CMD_GET_CARD_ORDINAL:
		a->xdi_mbox.data_length = sizeof(dword);
		a->xdi_mbox.data =
		    diva_os_malloc(0, a->xdi_mbox.data_length);
		if (a->xdi_mbox.data) {
			*(dword *) a->xdi_mbox.data =
			    (dword) a->CardOrdinal;
			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
			ret = 0;
		}
		break;

	case DIVA_XDI_UM_CMD_GET_SERIAL_NR:
		a->xdi_mbox.data_length = sizeof(dword);
		a->xdi_mbox.data =
		    diva_os_malloc(0, a->xdi_mbox.data_length);
		if (a->xdi_mbox.data) {
			*(dword *) a->xdi_mbox.data =
			    (dword) a->xdi_adapter.serialNo;
			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
			ret = 0;
		}
		break;

	case DIVA_XDI_UM_CMD_GET_PCI_HW_CONFIG:
		a->xdi_mbox.data_length = sizeof(dword) * 9;
		a->xdi_mbox.data =
		    diva_os_malloc(0, a->xdi_mbox.data_length);
		if (a->xdi_mbox.data) {
			int i;
			dword *data = (dword *) a->xdi_mbox.data;

			for (i = 0; i < 8; i++) {
				*data++ = a->resources.pci.bar[i];
			}
			*data++ = (dword) a->resources.pci.irq;
			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
			ret = 0;
		}
		break;

	case DIVA_XDI_UM_CMD_GET_CARD_STATE:
		a->xdi_mbox.data_length = sizeof(dword);
		a->xdi_mbox.data =
		    diva_os_malloc(0, a->xdi_mbox.data_length);
		if (a->xdi_mbox.data) {
			dword *data = (dword *) a->xdi_mbox.data;
			if (!a->xdi_adapter.port) {
				*data = 3;
			} else if (a->xdi_adapter.trapped) {
				*data = 2;
			} else if (a->xdi_adapter.Initialized) {
				*data = 1;
			} else {
				*data = 0;
			}
			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
			ret = 0;
		}
		break;

	case DIVA_XDI_UM_CMD_RESET_ADAPTER:
		ret = diva_bri_reset_adapter(&a->xdi_adapter);
		break;

	case DIVA_XDI_UM_CMD_WRITE_SDRAM_BLOCK:
		ret = diva_bri_write_sdram_block(&a->xdi_adapter,
						 cmd->command_data.
						 write_sdram.offset,
						 (byte *) & cmd[1],
						 cmd->command_data.
						 write_sdram.length);
		break;

	case DIVA_XDI_UM_CMD_START_ADAPTER:
		ret = diva_bri_start_adapter(&a->xdi_adapter,
					     cmd->command_data.start.
					     offset,
					     cmd->command_data.start.
					     features);
		break;

	case DIVA_XDI_UM_CMD_SET_PROTOCOL_FEATURES:
		a->xdi_adapter.features =
		    cmd->command_data.features.features;
		a->xdi_adapter.a.protocol_capabilities =
		    a->xdi_adapter.features;
		DBG_TRC(
			("Set raw protocol features (%08x)",
			 a->xdi_adapter.features)) ret = 0;
		break;

	case DIVA_XDI_UM_CMD_STOP_ADAPTER:
		ret = diva_bri_stop_adapter(a);
		break;

	case DIVA_XDI_UM_CMD_READ_XLOG_ENTRY:
		ret = diva_card_read_xlog(a);
		break;

	default:
		DBG_ERR(
			("A: A(%d) invalid cmd=%d", a->controller,
			 cmd->command))}

	return (ret);
}

static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter)
{
	byte __iomem *addrHi, *addrLo, *ioaddr;
	dword i;
	byte __iomem *Port;

	if (!IoAdapter->port) {
		return (-1);
	}
	if (IoAdapter->Initialized) {
		DBG_ERR(("A: A(%d) can't reset BRI adapter - please stop first",
			 IoAdapter->ANum)) return (-1);
	}
	(*(IoAdapter->rstFnc)) (IoAdapter);
	diva_os_wait(100);
	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
	addrHi = Port +
	    ((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
	addrLo = Port + ADDR;
	ioaddr = Port + DATA;
	/*
	   recover
	 */
	outpp(addrHi, (byte) 0);
	outppw(addrLo, (word) 0);
	outppw(ioaddr, (word) 0);
	/*
	   clear shared memory
	 */
	outpp(addrHi,
	      (byte) (
		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
		       BRI_SHARED_RAM_SIZE) >> 16));
	outppw(addrLo, 0);
	for (i = 0; i < 0x8000; outppw(ioaddr, 0), ++i);
	diva_os_wait(100);

	/*
	   clear signature
	 */
	outpp(addrHi,
	      (byte) (
		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
		       BRI_SHARED_RAM_SIZE) >> 16));
	outppw(addrLo, 0x1e);
	outpp(ioaddr, 0);
	outpp(ioaddr, 0);

	outpp(addrHi, (byte) 0);
	outppw(addrLo, (word) 0);
	outppw(ioaddr, (word) 0);

	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);

	/*
	   Forget all outstanding entities
	 */
	IoAdapter->e_count = 0;
	if (IoAdapter->e_tbl) {
		memset(IoAdapter->e_tbl, 0x00,
		       IoAdapter->e_max * sizeof(E_INFO));
	}
	IoAdapter->head = 0;
	IoAdapter->tail = 0;
	IoAdapter->assign = 0;
	IoAdapter->trapped = 0;

	memset(&IoAdapter->a.IdTable[0], 0x00,
	       sizeof(IoAdapter->a.IdTable));
	memset(&IoAdapter->a.IdTypeTable[0], 0x00,
	       sizeof(IoAdapter->a.IdTypeTable));
	memset(&IoAdapter->a.FlowControlIdTable[0], 0x00,
	       sizeof(IoAdapter->a.FlowControlIdTable));
	memset(&IoAdapter->a.FlowControlSkipTable[0], 0x00,
	       sizeof(IoAdapter->a.FlowControlSkipTable));
	memset(&IoAdapter->a.misc_flags_table[0], 0x00,
	       sizeof(IoAdapter->a.misc_flags_table));
	memset(&IoAdapter->a.rx_stream[0], 0x00,
	       sizeof(IoAdapter->a.rx_stream));
	memset(&IoAdapter->a.tx_stream[0], 0x00,
	       sizeof(IoAdapter->a.tx_stream));
	memset(&IoAdapter->a.tx_pos[0], 0x00, sizeof(IoAdapter->a.tx_pos));
	memset(&IoAdapter->a.rx_pos[0], 0x00, sizeof(IoAdapter->a.rx_pos));

	return (0);
}

static int
diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
			   dword address, const byte * data, dword length)
{
	byte __iomem *addrHi, *addrLo, *ioaddr;
	byte __iomem *Port;

	if (!IoAdapter->port) {
		return (-1);
	}

	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
	addrHi = Port +
	    ((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
	addrLo = Port + ADDR;
	ioaddr = Port + DATA;

	while (length--) {
		outpp(addrHi, (word) (address >> 16));
		outppw(addrLo, (word) (address & 0x0000ffff));
		outpp(ioaddr, *data++);
		address++;
	}

	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
	return (0);
}

static int
diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
		       dword start_address, dword features)
{
	byte __iomem *Port;
	dword i, test;
	byte __iomem *addrHi, *addrLo, *ioaddr;
	int started = 0;
	ADAPTER *a = &IoAdapter->a;

	if (IoAdapter->Initialized) {
		DBG_ERR(
			("A: A(%d) bri_start_adapter, adapter already running",
			 IoAdapter->ANum)) return (-1);
	}
	if (!IoAdapter->port) {
		DBG_ERR(("A: A(%d) bri_start_adapter, adapter not mapped",
			 IoAdapter->ANum)) return (-1);
	}

	sprintf(IoAdapter->Name, "A(%d)", (int) IoAdapter->ANum);
	DBG_LOG(("A(%d) start BRI", IoAdapter->ANum))

	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
	addrHi = Port +
	    ((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
	addrLo = Port + ADDR;
	ioaddr = Port + DATA;

	outpp(addrHi,
	      (byte) (
		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
		       BRI_SHARED_RAM_SIZE) >> 16));
	outppw(addrLo, 0x1e);
	outppw(ioaddr, 0x00);
	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);

	/*
	   start the protocol code
	 */
	Port = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
	outpp(Port, 0x08);
	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, Port);

	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
	addrHi = Port +
	    ((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
	addrLo = Port + ADDR;
	ioaddr = Port + DATA;
	/*
	   wait for signature (max. 3 seconds)
	 */
	for (i = 0; i < 300; ++i) {
		diva_os_wait(10);
		outpp(addrHi,
		      (byte) (
			      (IoAdapter->MemoryBase +
			       IoAdapter->MemorySize -
			       BRI_SHARED_RAM_SIZE) >> 16));
		outppw(addrLo, 0x1e);
		test = (dword) inppw(ioaddr);
		if (test == 0x4447) {
			DBG_LOG(
				("Protocol startup time %d.%02d seconds",
				 (i / 100), (i % 100)))
			started = 1;
			break;
		}
	}
	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);

	if (!started) {
		DBG_FTL(("A: A(%d) %s: Adapter selftest failed 0x%04X",
			 IoAdapter->ANum, IoAdapter->Properties.Name,
			 test))
		(*(IoAdapter->trapFnc)) (IoAdapter);
		return (-1);
	}

	IoAdapter->Initialized = 1;

	/*
	   Check Interrupt
	 */
	IoAdapter->IrqCount = 0;
	a->ReadyInt = 1;

	if (IoAdapter->reset) {
		Port = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
		outpp(Port, 0x41);
		DIVA_OS_MEM_DETACH_RESET(IoAdapter, Port);
	}

	a->ram_out(a, &PR_RAM->ReadyInt, 1);
	for (i = 0; ((!IoAdapter->IrqCount) && (i < 100)); i++) {
		diva_os_wait(10);
	}
	if (!IoAdapter->IrqCount) {
		DBG_ERR(
			("A: A(%d) interrupt test failed",
			 IoAdapter->ANum))
		IoAdapter->Initialized = 0;
		IoAdapter->stop(IoAdapter);
		return (-1);
	}

	IoAdapter->Properties.Features = (word) features;
	diva_xdi_display_adapter_features(IoAdapter->ANum);
	DBG_LOG(("A(%d) BRI adapter successfull started", IoAdapter->ANum))
	    /*
	       Register with DIDD
	     */
	diva_xdi_didd_register_adapter(IoAdapter->ANum);

	return (0);
}

static void diva_bri_clear_interrupts(diva_os_xdi_adapter_t * a)
{
	PISDN_ADAPTER IoAdapter = &a->xdi_adapter;

	/*
	   clear any pending interrupt
	 */
	IoAdapter->disIrq(IoAdapter);

	IoAdapter->tst_irq(&IoAdapter->a);
	IoAdapter->clr_irq(&IoAdapter->a);
	IoAdapter->tst_irq(&IoAdapter->a);

	/*
	   kill pending dpcs
	 */
	diva_os_cancel_soft_isr(&IoAdapter->req_soft_isr);
	diva_os_cancel_soft_isr(&IoAdapter->isr_soft_isr);
}

/*
**  Stop card
*/
static int diva_bri_stop_adapter(diva_os_xdi_adapter_t * a)
{
	PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
	int i = 100;

	if (!IoAdapter->port) {
		return (-1);
	}
	if (!IoAdapter->Initialized) {
		DBG_ERR(("A: A(%d) can't stop BRI adapter - not running",
			 IoAdapter->ANum))
		return (-1);	/* nothing to stop */
	}
	IoAdapter->Initialized = 0;

	/*
	   Disconnect Adapter from DIDD
	 */
	diva_xdi_didd_remove_adapter(IoAdapter->ANum);

	/*
	   Stop interrupts
	 */
	a->clear_interrupts_proc = diva_bri_clear_interrupts;
	IoAdapter->a.ReadyInt = 1;
	IoAdapter->a.ram_inc(&IoAdapter->a, &PR_RAM->ReadyInt);
	do {
		diva_os_sleep(10);
	} while (i-- && a->clear_interrupts_proc);
	if (a->clear_interrupts_proc) {
		diva_bri_clear_interrupts(a);
		a->clear_interrupts_proc = NULL;
		DBG_ERR(("A: A(%d) no final interrupt from BRI adapter",
			 IoAdapter->ANum))
	}
	IoAdapter->a.ReadyInt = 0;

	/*
	   Stop and reset adapter
	 */
	IoAdapter->stop(IoAdapter);

	return (0);
}