summaryrefslogtreecommitdiffstats
path: root/drivers/isdn/hisax/elsa.c
blob: d8ef64da26f1fe6e0a25c5515401079ed19ff3cb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
/* $Id: elsa.c,v 2.32.2.4 2004/01/24 20:47:21 keil Exp $
 *
 * low level stuff for Elsa isdn cards
 *
 * Author       Karsten Keil
 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 * For changes and modifications please read
 * Documentation/isdn/HiSax.cert
 *
 * Thanks to    Elsa GmbH for documents and information
 *
 *              Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
 *              for ELSA PCMCIA support
 *
 */

#include <linux/init.h>
#include <linux/slab.h>
#include "hisax.h"
#include "arcofi.h"
#include "isac.h"
#include "ipac.h"
#include "hscx.h"
#include "isdnl1.h"
#include <linux/pci.h>
#include <linux/isapnp.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>

static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
static const char *Elsa_Types[] =
{"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
 "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI",
 "PCMCIA-IPAC" };

static const char *ITACVer[] =
{"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
 "B1", "A1"};

#define byteout(addr, val) outb(val, addr)
#define bytein(addr) inb(addr)

#define ELSA_ISAC	0
#define ELSA_ISAC_PCM	1
#define ELSA_ITAC	1
#define ELSA_HSCX	2
#define ELSA_ALE	3
#define ELSA_ALE_PCM	4
#define ELSA_CONTROL	4
#define ELSA_CONFIG	5
#define ELSA_START_TIMER 6
#define ELSA_TRIG_IRQ	7

#define ELSA_PC      1
#define ELSA_PCC8    2
#define ELSA_PCC16   3
#define ELSA_PCF     4
#define ELSA_PCFPRO  5
#define ELSA_PCMCIA  6
#define ELSA_QS1000  7
#define ELSA_QS3000  8
#define ELSA_QS1000PCI 9
#define ELSA_QS3000PCI 10
#define ELSA_PCMCIA_IPAC 11

/* PCI stuff */
#define ELSA_PCI_IRQ_MASK	0x04

/* ITAC Registeradressen (only Microlink PC) */
#define ITAC_SYS	0x34
#define ITAC_ISEN	0x48
#define ITAC_RFIE	0x4A
#define ITAC_XFIE	0x4C
#define ITAC_SCIE	0x4E
#define ITAC_STIE	0x46

/***                                                                    ***
 ***   Makros als Befehle fuer die Kartenregister                       ***
 ***   (mehrere Befehle werden durch Bit-Oderung kombiniert)            ***
 ***                                                                    ***/

/* Config-Register (Read) */
#define ELIRQF_TIMER_RUN       0x02	/* Bit 1 des Config-Reg     */
#define ELIRQF_TIMER_RUN_PCC8  0x01	/* Bit 0 des Config-Reg  bei PCC */
#define ELSA_IRQ_IDX       0x38	/* Bit 3,4,5 des Config-Reg */
#define ELSA_IRQ_IDX_PCC8  0x30	/* Bit 4,5 des Config-Reg */
#define ELSA_IRQ_IDX_PC    0x0c	/* Bit 2,3 des Config-Reg */

/* Control-Register (Write) */
#define ELSA_LINE_LED        0x02	/* Bit 1 Gelbe LED */
#define ELSA_STAT_LED        0x08	/* Bit 3 Gruene LED */
#define ELSA_ISDN_RESET      0x20	/* Bit 5 Reset-Leitung */
#define ELSA_ENA_TIMER_INT   0x80	/* Bit 7 Freigabe Timer Interrupt */

/* ALE-Register (Read) */
#define ELSA_HW_RELEASE      0x07	/* Bit 0-2 Hardwarerkennung */
#define ELSA_S0_POWER_BAD    0x08	/* Bit 3 S0-Bus Spannung fehlt */

/* Status Flags */
#define ELIRQF_TIMER_AKTIV 1
#define ELSA_BAD_PWR     2
#define ELSA_ASSIGN      4

#define RS_ISR_PASS_LIMIT 256
#define FLG_MODEM_ACTIVE 1
/* IPAC AUX */
#define ELSA_IPAC_LINE_LED	0x40	/* Bit 6 Gelbe LED */
#define ELSA_IPAC_STAT_LED	0x80	/* Bit 7 Gruene LED */

#if ARCOFI_USE
static struct arcofi_msg ARCOFI_XOP_F =
{NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
static struct arcofi_msg ARCOFI_XOP_1 =
{&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
static struct arcofi_msg ARCOFI_SOP_F =
{&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
static struct arcofi_msg ARCOFI_COP_9 =
{&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
static struct arcofi_msg ARCOFI_COP_8 =
{&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
static struct arcofi_msg ARCOFI_COP_7 =
{&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
static struct arcofi_msg ARCOFI_COP_6 =
{&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
static struct arcofi_msg ARCOFI_COP_5 =
{&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
static struct arcofi_msg ARCOFI_VERSION =
{NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
static struct arcofi_msg ARCOFI_XOP_0 =
{NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */

static void set_arcofi(struct IsdnCardState *cs, int bc);

#include "elsa_ser.c"
#endif /* ARCOFI_USE */

static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
	register u_char ret;

	byteout(ale, off);
	ret = bytein(adr);
	return (ret);
}

static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	byteout(ale, off);
	insb(adr, data, size);
}


static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
	byteout(ale, off);
	byteout(adr, data);
}

static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	byteout(ale, off);
	outsb(adr, data, size);
}

/* Interface functions */

static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
}

static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
}

static void
ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
}

static void
WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
}

static u_char
ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
{
	return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset + 0x80));
}

static void
WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset | 0x80, value);
}

static void
ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
{
	readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
}

static void
WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
{
	writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
}

static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
	return (readreg(cs->hw.elsa.ale,
			cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
}

static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
	writereg(cs->hw.elsa.ale,
		 cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
}

static inline u_char
readitac(struct IsdnCardState *cs, u_char off)
{
	register u_char ret;

	byteout(cs->hw.elsa.ale, off);
	ret = bytein(cs->hw.elsa.itac);
	return (ret);
}

static inline void
writeitac(struct IsdnCardState *cs, u_char off, u_char data)
{
	byteout(cs->hw.elsa.ale, off);
	byteout(cs->hw.elsa.itac, data);
}

static inline int
TimerRun(struct IsdnCardState *cs)
{
	register u_char v;

	v = bytein(cs->hw.elsa.cfg);
	if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
		return (0 == (v & ELIRQF_TIMER_RUN));
	else if (cs->subtyp == ELSA_PCC8)
		return (v & ELIRQF_TIMER_RUN_PCC8);
	return (v & ELIRQF_TIMER_RUN);
}
/*
 * fast interrupt HSCX stuff goes here
 */

#define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale,			\
				      cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale,		\
					      cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)

#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale,	\
						cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)

#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale,	\
						  cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)

#include "hscx_irq.c"

static irqreturn_t
elsa_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_long flags;
	u_char val;
	int icnt = 5;

	if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
		/* The card tends to generate interrupts while being removed
		   causing us to just crash the kernel. bad. */
		printk(KERN_WARNING "Elsa: card not available!\n");
		return IRQ_NONE;
	}
	spin_lock_irqsave(&cs->lock, flags);
#if ARCOFI_USE
	if (cs->hw.elsa.MFlag) {
		val = serial_inp(cs, UART_IIR);
		if (!(val & UART_IIR_NO_INT)) {
			debugl1(cs, "IIR %02x", val);
			rs_interrupt_elsa(cs);
		}
	}
#endif
	val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
Start_HSCX:
	if (val) {
		hscx_int_main(cs, val);
	}
	val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
Start_ISAC:
	if (val) {
		isac_interrupt(cs, val);
	}
	val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
	if (val && icnt) {
		if (cs->debug & L1_DEB_HSCX)
			debugl1(cs, "HSCX IntStat after IntRoutine");
		icnt--;
		goto Start_HSCX;
	}
	val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
	if (val && icnt) {
		if (cs->debug & L1_DEB_ISAC)
			debugl1(cs, "ISAC IntStat after IntRoutine");
		icnt--;
		goto Start_ISAC;
	}
	if (!icnt)
		printk(KERN_WARNING"ELSA IRQ LOOP\n");
	writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
	if (cs->hw.elsa.status & ELIRQF_TIMER_AKTIV) {
		if (!TimerRun(cs)) {
			/* Timer Restart */
			byteout(cs->hw.elsa.timer, 0);
			cs->hw.elsa.counter++;
		}
	}
#if ARCOFI_USE
	if (cs->hw.elsa.MFlag) {
		val = serial_inp(cs, UART_MCR);
		val ^= 0x8;
		serial_outp(cs, UART_MCR, val);
		val = serial_inp(cs, UART_MCR);
		val ^= 0x8;
		serial_outp(cs, UART_MCR, val);
	}
#endif
	if (cs->hw.elsa.trig)
		byteout(cs->hw.elsa.trig, 0x00);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static irqreturn_t
elsa_interrupt_ipac(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_long flags;
	u_char ista, val;
	int icnt = 5;

	spin_lock_irqsave(&cs->lock, flags);
	if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
		val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
		if (!(val & ELSA_PCI_IRQ_MASK)) {
			spin_unlock_irqrestore(&cs->lock, flags);
			return IRQ_NONE;
		}
	}
#if ARCOFI_USE
	if (cs->hw.elsa.MFlag) {
		val = serial_inp(cs, UART_IIR);
		if (!(val & UART_IIR_NO_INT)) {
			debugl1(cs, "IIR %02x", val);
			rs_interrupt_elsa(cs);
		}
	}
#endif
	ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
Start_IPAC:
	if (cs->debug & L1_DEB_IPAC)
		debugl1(cs, "IPAC ISTA %02X", ista);
	if (ista & 0x0f) {
		val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
		if (ista & 0x01)
			val |= 0x01;
		if (ista & 0x04)
			val |= 0x02;
		if (ista & 0x08)
			val |= 0x04;
		if (val)
			hscx_int_main(cs, val);
	}
	if (ista & 0x20) {
		val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
		if (val) {
			isac_interrupt(cs, val);
		}
	}
	if (ista & 0x10) {
		val = 0x01;
		isac_interrupt(cs, val);
	}
	ista  = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
	if ((ista & 0x3f) && icnt) {
		icnt--;
		goto Start_IPAC;
	}
	if (!icnt)
		printk(KERN_WARNING "ELSA IRQ LOOP\n");
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
	writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static void
release_io_elsa(struct IsdnCardState *cs)
{
	int bytecnt = 8;

	del_timer(&cs->hw.elsa.tl);
#if ARCOFI_USE
	clear_arcofi(cs);
#endif
	if (cs->hw.elsa.ctrl)
		byteout(cs->hw.elsa.ctrl, 0);	/* LEDs Out */
	if (cs->subtyp == ELSA_QS1000PCI) {
		byteout(cs->hw.elsa.cfg + 0x4c, 0x01);  /* disable IRQ */
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
		bytecnt = 2;
		release_region(cs->hw.elsa.cfg, 0x80);
	}
	if (cs->subtyp == ELSA_QS3000PCI) {
		byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
		release_region(cs->hw.elsa.cfg, 0x80);
	}
	if (cs->subtyp == ELSA_PCMCIA_IPAC) {
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
	}
	if ((cs->subtyp == ELSA_PCFPRO) ||
	    (cs->subtyp == ELSA_QS3000) ||
	    (cs->subtyp == ELSA_PCF) ||
	    (cs->subtyp == ELSA_QS3000PCI)) {
		bytecnt = 16;
#if ARCOFI_USE
		release_modem(cs);
#endif
	}
	if (cs->hw.elsa.base)
		release_region(cs->hw.elsa.base, bytecnt);
}

static void
reset_elsa(struct IsdnCardState *cs)
{
	if (cs->hw.elsa.timer) {
		/* Wait 1 Timer */
		byteout(cs->hw.elsa.timer, 0);
		while (TimerRun(cs));
		cs->hw.elsa.ctrl_reg |= 0x50;
		cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET;	/* Reset On */
		byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
		/* Wait 1 Timer */
		byteout(cs->hw.elsa.timer, 0);
		while (TimerRun(cs));
		cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET;	/* Reset Off */
		byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
		/* Wait 1 Timer */
		byteout(cs->hw.elsa.timer, 0);
		while (TimerRun(cs));
		if (cs->hw.elsa.trig)
			byteout(cs->hw.elsa.trig, 0xff);
	}
	if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
		mdelay(10);
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
		mdelay(10);
		if (cs->subtyp != ELSA_PCMCIA_IPAC) {
			writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
			writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
		} else {
			writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
			writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
			writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
		}
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
		if (cs->subtyp == ELSA_QS1000PCI)
			byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
		else if (cs->subtyp == ELSA_QS3000PCI)
			byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
	}
}

#if ARCOFI_USE

static void
set_arcofi(struct IsdnCardState *cs, int bc) {
	cs->dc.isac.arcofi_bc = bc;
	arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
	wait_event_interruptible(cs->dc.isac.arcofi_wait,
				 cs->dc.isac.arcofi_state == ARCOFI_NOP);
}

static int
check_arcofi(struct IsdnCardState *cs)
{
	int arcofi_present = 0;
	char tmp[40];
	char *t;
	u_char *p;

	if (!cs->dc.isac.mon_tx)
		if (!(cs->dc.isac.mon_tx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
			if (cs->debug & L1_DEB_WARN)
				debugl1(cs, "ISAC MON TX out of buffers!");
			return (0);
		}
	cs->dc.isac.arcofi_bc = 0;
	arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
	wait_event_interruptible(cs->dc.isac.arcofi_wait,
				 cs->dc.isac.arcofi_state == ARCOFI_NOP);
	if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
		debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
		p = cs->dc.isac.mon_rx;
		t = tmp;
		t += sprintf(tmp, "Arcofi data");
		QuickHex(t, p, cs->dc.isac.mon_rxp);
		debugl1(cs, "%s", tmp);
		if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
			switch (cs->dc.isac.mon_rx[1]) {
			case 0x80:
				debugl1(cs, "Arcofi 2160 detected");
				arcofi_present = 1;
				break;
			case 0x82:
				debugl1(cs, "Arcofi 2165 detected");
				arcofi_present = 2;
				break;
			case 0x84:
				debugl1(cs, "Arcofi 2163 detected");
				arcofi_present = 3;
				break;
			default:
				debugl1(cs, "unknown Arcofi response");
				break;
			}
		} else
			debugl1(cs, "undefined Monitor response");
		cs->dc.isac.mon_rxp = 0;
	} else if (cs->dc.isac.mon_tx) {
		debugl1(cs, "Arcofi not detected");
	}
	if (arcofi_present) {
		if (cs->subtyp == ELSA_QS1000) {
			cs->subtyp = ELSA_QS3000;
			printk(KERN_INFO
			       "Elsa: %s detected modem at 0x%lx\n",
			       Elsa_Types[cs->subtyp],
			       cs->hw.elsa.base + 8);
			release_region(cs->hw.elsa.base, 8);
			if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
				printk(KERN_WARNING
				       "HiSax: %s config port %lx-%lx already in use\n",
				       Elsa_Types[cs->subtyp],
				       cs->hw.elsa.base + 8,
				       cs->hw.elsa.base + 16);
			}
		} else if (cs->subtyp == ELSA_PCC16) {
			cs->subtyp = ELSA_PCF;
			printk(KERN_INFO
			       "Elsa: %s detected modem at 0x%lx\n",
			       Elsa_Types[cs->subtyp],
			       cs->hw.elsa.base + 8);
			release_region(cs->hw.elsa.base, 8);
			if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
				printk(KERN_WARNING
				       "HiSax: %s config port %lx-%lx already in use\n",
				       Elsa_Types[cs->subtyp],
				       cs->hw.elsa.base + 8,
				       cs->hw.elsa.base + 16);
			}
		} else
			printk(KERN_INFO
			       "Elsa: %s detected modem at 0x%lx\n",
			       Elsa_Types[cs->subtyp],
			       cs->hw.elsa.base + 8);
		arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
		wait_event_interruptible(cs->dc.isac.arcofi_wait,
				 cs->dc.isac.arcofi_state == ARCOFI_NOP);
		return (1);
	}
	return (0);
}
#endif /* ARCOFI_USE */

static void
elsa_led_handler(struct IsdnCardState *cs)
{
	int blink = 0;

	if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
		return;
	del_timer(&cs->hw.elsa.tl);
	if (cs->hw.elsa.status & ELSA_ASSIGN)
		cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
	else if (cs->hw.elsa.status & ELSA_BAD_PWR)
		cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
	else {
		cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
		blink = 250;
	}
	if (cs->hw.elsa.status & 0xf000)
		cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
	else if (cs->hw.elsa.status & 0x0f00) {
		cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
		blink = 500;
	} else
		cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;

	if ((cs->subtyp == ELSA_QS1000PCI) ||
	    (cs->subtyp == ELSA_QS3000PCI)) {
		u_char led = 0xff;
		if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
			led ^= ELSA_IPAC_LINE_LED;
		if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
			led ^= ELSA_IPAC_STAT_LED;
		writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
	} else
		byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
	if (blink) {
		init_timer(&cs->hw.elsa.tl);
		cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
		add_timer(&cs->hw.elsa.tl);
	}
}

static int
Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	int ret = 0;
	u_long flags;

	switch (mt) {
	case CARD_RESET:
		spin_lock_irqsave(&cs->lock, flags);
		reset_elsa(cs);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_RELEASE:
		release_io_elsa(cs);
		return (0);
	case CARD_INIT:
		spin_lock_irqsave(&cs->lock, flags);
		cs->debug |= L1_DEB_IPAC;
		reset_elsa(cs);
		inithscxisac(cs, 1);
		if ((cs->subtyp == ELSA_QS1000) ||
		    (cs->subtyp == ELSA_QS3000))
		{
			byteout(cs->hw.elsa.timer, 0);
		}
		if (cs->hw.elsa.trig)
			byteout(cs->hw.elsa.trig, 0xff);
		inithscxisac(cs, 2);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_TEST:
		if ((cs->subtyp == ELSA_PCMCIA) ||
		    (cs->subtyp == ELSA_PCMCIA_IPAC) ||
		    (cs->subtyp == ELSA_QS1000PCI)) {
			return (0);
		} else if (cs->subtyp == ELSA_QS3000PCI) {
			ret = 0;
		} else {
			spin_lock_irqsave(&cs->lock, flags);
			cs->hw.elsa.counter = 0;
			cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
			cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
			byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
			byteout(cs->hw.elsa.timer, 0);
			spin_unlock_irqrestore(&cs->lock, flags);
			msleep(110);
			spin_lock_irqsave(&cs->lock, flags);
			cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
			byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
			cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
			spin_unlock_irqrestore(&cs->lock, flags);
			printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
			       cs->hw.elsa.counter);
			if ((cs->hw.elsa.counter > 10) &&
			    (cs->hw.elsa.counter < 16)) {
				printk(KERN_INFO "Elsa: timer and irq OK\n");
				ret = 0;
			} else {
				printk(KERN_WARNING
				       "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
				       cs->hw.elsa.counter, cs->irq);
				ret = 1;
			}
		}
#if ARCOFI_USE
		if (check_arcofi(cs)) {
			init_modem(cs);
		}
#endif
		elsa_led_handler(cs);
		return (ret);
	case (MDL_REMOVE | REQUEST):
		cs->hw.elsa.status &= 0;
		break;
	case (MDL_ASSIGN | REQUEST):
		cs->hw.elsa.status |= ELSA_ASSIGN;
		break;
	case MDL_INFO_SETUP:
		if ((long) arg)
			cs->hw.elsa.status |= 0x0200;
		else
			cs->hw.elsa.status |= 0x0100;
		break;
	case MDL_INFO_CONN:
		if ((long) arg)
			cs->hw.elsa.status |= 0x2000;
		else
			cs->hw.elsa.status |= 0x1000;
		break;
	case MDL_INFO_REL:
		if ((long) arg) {
			cs->hw.elsa.status &= ~0x2000;
			cs->hw.elsa.status &= ~0x0200;
		} else {
			cs->hw.elsa.status &= ~0x1000;
			cs->hw.elsa.status &= ~0x0100;
		}
		break;
#if ARCOFI_USE
	case CARD_AUX_IND:
		if (cs->hw.elsa.MFlag) {
			int len;
			u_char *msg;

			if (!arg)
				return (0);
			msg = arg;
			len = *msg;
			msg++;
			modem_write_cmd(cs, msg, len);
		}
		break;
#endif
	}
	if (cs->typ == ISDN_CTYPE_ELSA) {
		int pwr = bytein(cs->hw.elsa.ale);
		if (pwr & 0x08)
			cs->hw.elsa.status |= ELSA_BAD_PWR;
		else
			cs->hw.elsa.status &= ~ELSA_BAD_PWR;
	}
	elsa_led_handler(cs);
	return (ret);
}

static unsigned char
probe_elsa_adr(unsigned int adr, int typ)
{
	int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
		pc_2 = 0, pfp_1 = 0, pfp_2 = 0;

	/* In case of the elsa pcmcia card, this region is in use,
	   reserved for us by the card manager. So we do not check it
	   here, it would fail. */
	if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
		if (request_region(adr, 8, "elsa card")) {
			release_region(adr, 8);
		} else {
			printk(KERN_WARNING
			       "Elsa: Probing Port 0x%x: already in use\n", adr);
			return (0);
		}
	}
	for (i = 0; i < 16; i++) {
		in1 = inb(adr + ELSA_CONFIG);	/* 'toggelt' bei */
		in2 = inb(adr + ELSA_CONFIG);	/* jedem Zugriff */
		p16_1 += 0x04 & in1;
		p16_2 += 0x04 & in2;
		p8_1 += 0x02 & in1;
		p8_2 += 0x02 & in2;
		pc_1 += 0x01 & in1;
		pc_2 += 0x01 & in2;
		pfp_1 += 0x40 & in1;
		pfp_2 += 0x40 & in2;
	}
	printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
	if (65 == ++p16_1 * ++p16_2) {
		printk(" PCC-16/PCF found\n");
		return (ELSA_PCC16);
	} else if (1025 == ++pfp_1 * ++pfp_2) {
		printk(" PCF-Pro found\n");
		return (ELSA_PCFPRO);
	} else if (33 == ++p8_1 * ++p8_2) {
		printk(" PCC8 found\n");
		return (ELSA_PCC8);
	} else if (17 == ++pc_1 * ++pc_2) {
		printk(" PC found\n");
		return (ELSA_PC);
	} else {
		printk(" failed\n");
		return (0);
	}
}

static unsigned int
probe_elsa(struct IsdnCardState *cs)
{
	int i;
	unsigned int CARD_portlist[] =
		{0x160, 0x170, 0x260, 0x360, 0};

	for (i = 0; CARD_portlist[i]; i++) {
		if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
			break;
	}
	return (CARD_portlist[i]);
}

static int setup_elsa_isa(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	u_char val;

	cs->hw.elsa.base = card->para[0];
	printk(KERN_INFO "Elsa: Microlink IO probing\n");
	if (cs->hw.elsa.base) {
		if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
						  cs->typ))) {
			printk(KERN_WARNING
			       "Elsa: no Elsa Microlink at %#lx\n",
			       cs->hw.elsa.base);
			return (0);
		}
	} else
		cs->hw.elsa.base = probe_elsa(cs);

	if (!cs->hw.elsa.base) {
		printk(KERN_WARNING
		       "No Elsa Microlink found\n");
		return (0);
	}

	cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
	cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
	cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
	cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
	cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
	cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
	cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
	cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
	val = bytein(cs->hw.elsa.cfg);
	if (cs->subtyp == ELSA_PC) {
		const u_char CARD_IrqTab[8] =
			{7, 3, 5, 9, 0, 0, 0, 0};
		cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
	} else if (cs->subtyp == ELSA_PCC8) {
		const u_char CARD_IrqTab[8] =
			{7, 3, 5, 9, 0, 0, 0, 0};
		cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
	} else {
		const u_char CARD_IrqTab[8] =
			{15, 10, 15, 3, 11, 5, 11, 9};
		cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
	}
	val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
	if (val < 3)
		val |= 8;
	val += 'A' - 3;
	if (val == 'B' || val == 'C')
		val ^= 1;
	if ((cs->subtyp == ELSA_PCFPRO) && (val == 'G'))
		val = 'C';
	printk(KERN_INFO
	       "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
	       Elsa_Types[cs->subtyp],
	       cs->hw.elsa.base,
	       val, cs->irq);
	val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
	if (val) {
		printk(KERN_WARNING
		       "Elsa: Microlink S0 bus power bad\n");
		cs->hw.elsa.status |= ELSA_BAD_PWR;
	}

	return (1);
}

#ifdef __ISAPNP__
static struct isapnp_device_id elsa_ids[] = {
	{ ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
	  ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
	  (unsigned long) "Elsa QS1000" },
	{ ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
	  ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
	  (unsigned long) "Elsa QS3000" },
	{ 0, }
};

static struct isapnp_device_id *ipid = &elsa_ids[0];
static struct pnp_card *pnp_c = NULL;
#endif	/* __ISAPNP__ */

static int setup_elsa_isapnp(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;

#ifdef __ISAPNP__
	if (!card->para[1] && isapnp_present()) {
		struct pnp_dev *pnp_d;
		while (ipid->card_vendor) {
			if ((pnp_c = pnp_find_card(ipid->card_vendor,
						   ipid->card_device, pnp_c))) {
				pnp_d = NULL;
				if ((pnp_d = pnp_find_dev(pnp_c,
							  ipid->vendor, ipid->function, pnp_d))) {
					int err;

					printk(KERN_INFO "HiSax: %s detected\n",
					       (char *)ipid->driver_data);
					pnp_disable_dev(pnp_d);
					err = pnp_activate_dev(pnp_d);
					if (err < 0) {
						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
						       __func__, err);
						return (0);
					}
					card->para[1] = pnp_port_start(pnp_d, 0);
					card->para[0] = pnp_irq(pnp_d, 0);

					if (!card->para[0] || !card->para[1]) {
						printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
						       card->para[0], card->para[1]);
						pnp_disable_dev(pnp_d);
						return (0);
					}
					if (ipid->function == ISAPNP_FUNCTION(0x133))
						cs->subtyp = ELSA_QS1000;
					else
						cs->subtyp = ELSA_QS3000;
					break;
				} else {
					printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
					return (0);
				}
			}
			ipid++;
			pnp_c = NULL;
		}
		if (!ipid->card_vendor) {
			printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
			return (0);
		}
	}
#endif	/* __ISAPNP__ */

	if (card->para[1] && card->para[0]) {
		cs->hw.elsa.base = card->para[1];
		cs->irq = card->para[0];
		if (!cs->subtyp)
			cs->subtyp = ELSA_QS1000;
	} else {
		printk(KERN_ERR "Elsa PnP: no parameter\n");
	}
	cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
	cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
	cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
	cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
	cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
	cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
	cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
	printk(KERN_INFO
	       "Elsa: %s defined at %#lx IRQ %d\n",
	       Elsa_Types[cs->subtyp],
	       cs->hw.elsa.base,
	       cs->irq);

	return (1);
}

static void setup_elsa_pcmcia(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	u_char val;

	cs->hw.elsa.base = card->para[1];
	cs->irq = card->para[0];
	val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
	if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
		cs->subtyp = ELSA_PCMCIA_IPAC;
		cs->hw.elsa.ale = cs->hw.elsa.base + 0;
		cs->hw.elsa.isac = cs->hw.elsa.base + 2;
		cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
		test_and_set_bit(HW_IPAC, &cs->HW_Flags);
	} else {
		cs->subtyp = ELSA_PCMCIA;
		cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
		cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
		cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
	}
	cs->hw.elsa.timer = 0;
	cs->hw.elsa.trig = 0;
	cs->hw.elsa.ctrl = 0;
	cs->irq_flags |= IRQF_SHARED;
	printk(KERN_INFO
	       "Elsa: %s defined at %#lx IRQ %d\n",
	       Elsa_Types[cs->subtyp],
	       cs->hw.elsa.base,
	       cs->irq);
}

#ifdef CONFIG_PCI
static	struct pci_dev *dev_qs1000 = NULL;
static	struct pci_dev *dev_qs3000 = NULL;

static int setup_elsa_pci(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;

	cs->subtyp = 0;
	if ((dev_qs1000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
						PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
		if (pci_enable_device(dev_qs1000))
			return (0);
		cs->subtyp = ELSA_QS1000PCI;
		cs->irq = dev_qs1000->irq;
		cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
		cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
	} else if ((dev_qs3000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
						       PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
		if (pci_enable_device(dev_qs3000))
			return (0);
		cs->subtyp = ELSA_QS3000PCI;
		cs->irq = dev_qs3000->irq;
		cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
		cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
	} else {
		printk(KERN_WARNING "Elsa: No PCI card found\n");
		return (0);
	}
	if (!cs->irq) {
		printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
		return (0);
	}

	if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
		printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
		return (0);
	}
	if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
		printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
		printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
		printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
	}
	cs->hw.elsa.ale  = cs->hw.elsa.base;
	cs->hw.elsa.isac = cs->hw.elsa.base + 1;
	cs->hw.elsa.hscx = cs->hw.elsa.base + 1;
	test_and_set_bit(HW_IPAC, &cs->HW_Flags);
	cs->hw.elsa.timer = 0;
	cs->hw.elsa.trig  = 0;
	cs->irq_flags |= IRQF_SHARED;
	printk(KERN_INFO
	       "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
	       Elsa_Types[cs->subtyp],
	       cs->hw.elsa.base,
	       cs->hw.elsa.cfg,
	       cs->irq);

	return (1);
}

#else

static int setup_elsa_pci(struct IsdnCard *card)
{
	return (1);
}
#endif /* CONFIG_PCI */

static int setup_elsa_common(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	u_char val;
	int bytecnt;

	switch (cs->subtyp) {
	case ELSA_PC:
	case ELSA_PCC8:
	case ELSA_PCC16:
	case ELSA_QS1000:
	case ELSA_PCMCIA:
	case ELSA_PCMCIA_IPAC:
		bytecnt = 8;
		break;
	case ELSA_PCFPRO:
	case ELSA_PCF:
	case ELSA_QS3000:
	case ELSA_QS3000PCI:
		bytecnt = 16;
		break;
	case ELSA_QS1000PCI:
		bytecnt = 2;
		break;
	default:
		printk(KERN_WARNING
		       "Unknown ELSA subtype %d\n", cs->subtyp);
		return (0);
	}
	/* In case of the elsa pcmcia card, this region is in use,
	   reserved for us by the card manager. So we do not check it
	   here, it would fail. */
	if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
		printk(KERN_WARNING
		       "HiSax: ELSA config port %#lx-%#lx already in use\n",
		       cs->hw.elsa.base,
		       cs->hw.elsa.base + bytecnt);
		return (0);
	}
	if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
		if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
			printk(KERN_WARNING
			       "HiSax: ELSA pci port %x-%x already in use\n",
			       cs->hw.elsa.cfg,
			       cs->hw.elsa.cfg + 0x80);
			release_region(cs->hw.elsa.base, bytecnt);
			return (0);
		}
	}
#if ARCOFI_USE
	init_arcofi(cs);
#endif
	setup_isac(cs);
	cs->hw.elsa.tl.function = (void *) elsa_led_handler;
	cs->hw.elsa.tl.data = (long) cs;
	init_timer(&cs->hw.elsa.tl);
	/* Teste Timer */
	if (cs->hw.elsa.timer) {
		byteout(cs->hw.elsa.trig, 0xff);
		byteout(cs->hw.elsa.timer, 0);
		if (!TimerRun(cs)) {
			byteout(cs->hw.elsa.timer, 0);	/* 2. Versuch */
			if (!TimerRun(cs)) {
				printk(KERN_WARNING
				       "Elsa: timer do not start\n");
				release_io_elsa(cs);
				return (0);
			}
		}
		HZDELAY((HZ / 100) + 1);	/* wait >=10 ms */
		if (TimerRun(cs)) {
			printk(KERN_WARNING "Elsa: timer do not run down\n");
			release_io_elsa(cs);
			return (0);
		}
		printk(KERN_INFO "Elsa: timer OK; resetting card\n");
	}
	cs->BC_Read_Reg = &ReadHSCX;
	cs->BC_Write_Reg = &WriteHSCX;
	cs->BC_Send_Data = &hscx_fill_fifo;
	cs->cardmsg = &Elsa_card_msg;
	if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
		cs->readisac = &ReadISAC_IPAC;
		cs->writeisac = &WriteISAC_IPAC;
		cs->readisacfifo = &ReadISACfifo_IPAC;
		cs->writeisacfifo = &WriteISACfifo_IPAC;
		cs->irq_func = &elsa_interrupt_ipac;
		val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
		printk(KERN_INFO "Elsa: IPAC version %x\n", val);
	} else {
		cs->readisac = &ReadISAC;
		cs->writeisac = &WriteISAC;
		cs->readisacfifo = &ReadISACfifo;
		cs->writeisacfifo = &WriteISACfifo;
		cs->irq_func = &elsa_interrupt;
		ISACVersion(cs, "Elsa:");
		if (HscxVersion(cs, "Elsa:")) {
			printk(KERN_WARNING
			       "Elsa: wrong HSCX versions check IO address\n");
			release_io_elsa(cs);
			return (0);
		}
	}
	if (cs->subtyp == ELSA_PC) {
		val = readitac(cs, ITAC_SYS);
		printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
		writeitac(cs, ITAC_ISEN, 0);
		writeitac(cs, ITAC_RFIE, 0);
		writeitac(cs, ITAC_XFIE, 0);
		writeitac(cs, ITAC_SCIE, 0);
		writeitac(cs, ITAC_STIE, 0);
	}
	return (1);
}

int setup_elsa(struct IsdnCard *card)
{
	int rc;
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, Elsa_revision);
	printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
	cs->hw.elsa.ctrl_reg = 0;
	cs->hw.elsa.status = 0;
	cs->hw.elsa.MFlag = 0;
	cs->subtyp = 0;

	if (cs->typ == ISDN_CTYPE_ELSA) {
		rc = setup_elsa_isa(card);
		if (!rc)
			return (0);

	} else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
		rc = setup_elsa_isapnp(card);
		if (!rc)
			return (0);

	} else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA)
		setup_elsa_pcmcia(card);

	else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
		rc = setup_elsa_pci(card);
		if (!rc)
			return (0);

	} else
		return (0);

	return setup_elsa_common(card);
}
OpenPOWER on IntegriCloud