summaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia/yenta_socket.c
blob: 271a52b7c2e6babc5b06fb99ee8281f254fbce60 (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
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
/*
 * Regular cardbus driver ("yenta_socket")
 *
 * (C) Copyright 1999, 2000 Linus Torvalds
 *
 * Changelog:
 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
 * 	Dynamically adjust the size of the bridge resource
 * 	
 * May 2003: Dominik Brodowski <linux@brodo.de>
 * 	Merge pci_socket.c and yenta.c into one file
 */
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>

#include <asm/io.h>

#include "yenta_socket.h"
#include "i82365.h"

static int disable_clkrun;
module_param(disable_clkrun, bool, 0444);
MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");

static int isa_probe = 1;
module_param(isa_probe, bool, 0444);
MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");

static int pwr_irqs_off;
module_param(pwr_irqs_off, bool, 0644);
MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");

#if 0
#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
#else
#define debug(x,args...)
#endif

/* Don't ask.. */
#define to_cycles(ns)	((ns)/120)
#define to_ns(cycles)	((cycles)*120)

static int yenta_probe_cb_irq(struct yenta_socket *socket);


static unsigned int override_bios;
module_param(override_bios, uint, 0000);
MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");

/*
 * Generate easy-to-use ways of reading a cardbus sockets
 * regular memory space ("cb_xxx"), configuration space
 * ("config_xxx") and compatibility space ("exca_xxxx")
 */
static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
{
	u32 val = readl(socket->base + reg);
	debug("%p %04x %08x\n", socket, reg, val);
	return val;
}

static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
{
	debug("%p %04x %08x\n", socket, reg, val);
	writel(val, socket->base + reg);
}

static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
{
	u8 val;
	pci_read_config_byte(socket->dev, offset, &val);
	debug("%p %04x %02x\n", socket, offset, val);
	return val;
}

static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
{
	u16 val;
	pci_read_config_word(socket->dev, offset, &val);
	debug("%p %04x %04x\n", socket, offset, val);
	return val;
}

static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
{
	u32 val;
	pci_read_config_dword(socket->dev, offset, &val);
	debug("%p %04x %08x\n", socket, offset, val);
	return val;
}

static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
{
	debug("%p %04x %02x\n", socket, offset, val);
	pci_write_config_byte(socket->dev, offset, val);
}

static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
{
	debug("%p %04x %04x\n", socket, offset, val);
	pci_write_config_word(socket->dev, offset, val);
}

static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
{
	debug("%p %04x %08x\n", socket, offset, val);
	pci_write_config_dword(socket->dev, offset, val);
}

static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
{
	u8 val = readb(socket->base + 0x800 + reg);
	debug("%p %04x %02x\n", socket, reg, val);
	return val;
}

static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
{
	u16 val;
	val = readb(socket->base + 0x800 + reg);
	val |= readb(socket->base + 0x800 + reg + 1) << 8;
	debug("%p %04x %04x\n", socket, reg, val);
	return val;
}

static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
{
	debug("%p %04x %02x\n", socket, reg, val);
	writeb(val, socket->base + 0x800 + reg);
}

static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
{
	debug("%p %04x %04x\n", socket, reg, val);
	writeb(val, socket->base + 0x800 + reg);
	writeb(val >> 8, socket->base + 0x800 + reg + 1);
}

/*
 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
 * on what kind of card is inserted..
 */
static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	unsigned int val;
	u32 state = cb_readl(socket, CB_SOCKET_STATE);

	val  = (state & CB_3VCARD) ? SS_3VCARD : 0;
	val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
	val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
	val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;


	if (state & CB_CBCARD) {
		val |= SS_CARDBUS;	
		val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
		val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
		val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
	} else if (state & CB_16BITCARD) {
		u8 status = exca_readb(socket, I365_STATUS);
		val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
		if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
			val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
		} else {
			val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
			val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
		}
		val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
		val |= (status & I365_CS_READY) ? SS_READY : 0;
		val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
	}

	*value = val;
	return 0;
}

static void yenta_get_power(struct yenta_socket *socket, socket_state_t *state)
{
	if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
	    (socket->flags & YENTA_16BIT_POWER_EXCA)) {
		u8 reg, vcc, vpp;

		reg = exca_readb(socket, I365_POWER);
		vcc = reg & I365_VCC_MASK;
		vpp = reg & I365_VPP1_MASK;
		state->Vcc = state->Vpp = 0;

		if (socket->flags & YENTA_16BIT_POWER_DF) {
			if (vcc == I365_VCC_3V)
				state->Vcc = 33;
			if (vcc == I365_VCC_5V)
				state->Vcc = 50;
			if (vpp == I365_VPP1_5V)
				state->Vpp = state->Vcc;
			if (vpp == I365_VPP1_12V)
				state->Vpp = 120;
		} else {
			if (reg & I365_VCC_5V) {
				state->Vcc = 50;
				if (vpp == I365_VPP1_5V)
					state->Vpp = 50;
				if (vpp == I365_VPP1_12V)
					state->Vpp = 120;
			}
		}
	} else {
		u32 control;

		control = cb_readl(socket, CB_SOCKET_CONTROL);

		switch (control & CB_SC_VCC_MASK) {
		case CB_SC_VCC_5V: state->Vcc = 50; break;
		case CB_SC_VCC_3V: state->Vcc = 33; break;
		default: state->Vcc = 0;
		}

		switch (control & CB_SC_VPP_MASK) {
		case CB_SC_VPP_12V: state->Vpp = 120; break;
		case CB_SC_VPP_5V: state->Vpp = 50; break;
		case CB_SC_VPP_3V: state->Vpp = 33; break;
		default: state->Vpp = 0;
		}
	}
}

static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	u8 reg;
	u32 control;

	control = cb_readl(socket, CB_SOCKET_CONTROL);

	yenta_get_power(socket, state);
	state->io_irq = socket->io_irq;

	if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
		u16 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
		if (bridge & CB_BRIDGE_CRST)
			state->flags |= SS_RESET;
		return 0;
	}

	/* 16-bit card state.. */
	reg = exca_readb(socket, I365_POWER);
	state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
	state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;

	reg = exca_readb(socket, I365_INTCTL);
	state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
	state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0;

	reg = exca_readb(socket, I365_CSCINT);
	state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
	if (state->flags & SS_IOCARD) {
		state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
	} else {
		state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
		state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
		state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
	}

	return 0;
}

static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
{
	/* some birdges require to use the ExCA registers to power 16bit cards */
	if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
	    (socket->flags & YENTA_16BIT_POWER_EXCA)) {
		u8 reg, old;
		reg = old = exca_readb(socket, I365_POWER);
		reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);

		/* i82365SL-DF style */
		if (socket->flags & YENTA_16BIT_POWER_DF) {
			switch (state->Vcc) {
			case 33: reg |= I365_VCC_3V; break;
			case 50: reg |= I365_VCC_5V; break;
			default: reg = 0; break;
			}
			switch (state->Vpp) {
			case 33:
			case 50: reg |= I365_VPP1_5V; break;
			case 120: reg |= I365_VPP1_12V; break;
			}
		} else {
			/* i82365SL-B style */
			switch (state->Vcc) {
			case 50: reg |= I365_VCC_5V; break;
			default: reg = 0; break;
			}
			switch (state->Vpp) {
			case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
			case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
			}
		}

		if (reg != old)
			exca_writeb(socket, I365_POWER, reg);
	} else {
		u32 reg = 0;	/* CB_SC_STPCLK? */
		switch (state->Vcc) {
		case 33: reg = CB_SC_VCC_3V; break;
		case 50: reg = CB_SC_VCC_5V; break;
		default: reg = 0; break;
		}
		switch (state->Vpp) {
		case 33:  reg |= CB_SC_VPP_3V; break;
		case 50:  reg |= CB_SC_VPP_5V; break;
		case 120: reg |= CB_SC_VPP_12V; break;
		}
		if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
			cb_writel(socket, CB_SOCKET_CONTROL, reg);
	}
}

static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	u16 bridge;

	yenta_set_power(socket, state);
	socket->io_irq = state->io_irq;
	bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
	if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
		u8 intr;
		bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;

		/* ISA interrupt control? */
		intr = exca_readb(socket, I365_INTCTL);
		intr = (intr & ~0xf);
		if (!socket->cb_irq) {
			intr |= state->io_irq;
			bridge |= CB_BRIDGE_INTR;
		}
		exca_writeb(socket, I365_INTCTL, intr);
	}  else {
		u8 reg;

		reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
		reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
		reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
		if (state->io_irq != socket->cb_irq) {
			reg |= state->io_irq;
			bridge |= CB_BRIDGE_INTR;
		}
		exca_writeb(socket, I365_INTCTL, reg);

		reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
		reg |= I365_PWR_NORESET;
		if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
		if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
		if (exca_readb(socket, I365_POWER) != reg)
			exca_writeb(socket, I365_POWER, reg);

		/* CSC interrupt: no ISA irq for CSC */
		reg = I365_CSC_DETECT;
		if (state->flags & SS_IOCARD) {
			if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
		} else {
			if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
			if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
			if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
		}
		exca_writeb(socket, I365_CSCINT, reg);
		exca_readb(socket, I365_CSC);
		if(sock->zoom_video)
			sock->zoom_video(sock, state->flags & SS_ZVCARD);
	}
	config_writew(socket, CB_BRIDGE_CONTROL, bridge);
	/* Socket event mask: get card insert/remove events.. */
	cb_writel(socket, CB_SOCKET_EVENT, -1);
	cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
	return 0;
}

static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	int map;
	unsigned char ioctl, addr, enable;

	map = io->map;

	if (map > 1)
		return -EINVAL;

	enable = I365_ENA_IO(map);
	addr = exca_readb(socket, I365_ADDRWIN);

	/* Disable the window before changing it.. */
	if (addr & enable) {
		addr &= ~enable;
		exca_writeb(socket, I365_ADDRWIN, addr);
	}

	exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
	exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);

	ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
	if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
	if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
	if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
	exca_writeb(socket, I365_IOCTL, ioctl);

	if (io->flags & MAP_ACTIVE)
		exca_writeb(socket, I365_ADDRWIN, addr | enable);
	return 0;
}

static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	struct pci_bus_region region;
	int map;
	unsigned char addr, enable;
	unsigned int start, stop, card_start;
	unsigned short word;

	pcibios_resource_to_bus(socket->dev, &region, mem->res);

	map = mem->map;
	start = region.start;
	stop = region.end;
	card_start = mem->card_start;

	if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
	    (card_start >> 26) || mem->speed > 1000)
		return -EINVAL;

	enable = I365_ENA_MEM(map);
	addr = exca_readb(socket, I365_ADDRWIN);
	if (addr & enable) {
		addr &= ~enable;
		exca_writeb(socket, I365_ADDRWIN, addr);
	}

	exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);

	word = (start >> 12) & 0x0fff;
	if (mem->flags & MAP_16BIT)
		word |= I365_MEM_16BIT;
	if (mem->flags & MAP_0WS)
		word |= I365_MEM_0WS;
	exca_writew(socket, I365_MEM(map) + I365_W_START, word);

	word = (stop >> 12) & 0x0fff;
	switch (to_cycles(mem->speed)) {
		case 0: break;
		case 1:  word |= I365_MEM_WS0; break;
		case 2:  word |= I365_MEM_WS1; break;
		default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
	}
	exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);

	word = ((card_start - start) >> 12) & 0x3fff;
	if (mem->flags & MAP_WRPROT)
		word |= I365_MEM_WRPROT;
	if (mem->flags & MAP_ATTRIB)
		word |= I365_MEM_REG;
	exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);

	if (mem->flags & MAP_ACTIVE)
		exca_writeb(socket, I365_ADDRWIN, addr | enable);
	return 0;
}



static irqreturn_t yenta_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
	unsigned int events;
	struct yenta_socket *socket = (struct yenta_socket *) dev_id;
	u8 csc;
	u32 cb_event;

	/* Clear interrupt status for the event */
	cb_event = cb_readl(socket, CB_SOCKET_EVENT);
	cb_writel(socket, CB_SOCKET_EVENT, cb_event);

	csc = exca_readb(socket, I365_CSC);

	events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
	events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
	if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
		events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
	} else {
		events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
		events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
		events |= (csc & I365_CSC_READY) ? SS_READY : 0;
	}

	if (events)
		pcmcia_parse_events(&socket->socket, events);

	if (cb_event || csc)
		return IRQ_HANDLED;

	return IRQ_NONE;
}

static void yenta_interrupt_wrapper(unsigned long data)
{
	struct yenta_socket *socket = (struct yenta_socket *) data;

	yenta_interrupt(0, (void *)socket, NULL);
	socket->poll_timer.expires = jiffies + HZ;
	add_timer(&socket->poll_timer);
}

static void yenta_clear_maps(struct yenta_socket *socket)
{
	int i;
	struct resource res = { .start = 0, .end = 0x0fff };
	pccard_io_map io = { 0, 0, 0, 0, 1 };
	pccard_mem_map mem = { .res = &res, };

	yenta_set_socket(&socket->socket, &dead_socket);
	for (i = 0; i < 2; i++) {
		io.map = i;
		yenta_set_io_map(&socket->socket, &io);
	}
	for (i = 0; i < 5; i++) {
		mem.map = i;
		yenta_set_mem_map(&socket->socket, &mem);
	}
}

/* redoes voltage interrogation if required */
static void yenta_interrogate(struct yenta_socket *socket)
{
	u32 state;

	state = cb_readl(socket, CB_SOCKET_STATE);
	if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
	    (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
	    ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
		cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
}

/* Called at resume and initialization events */
static int yenta_sock_init(struct pcmcia_socket *sock)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
	u16 bridge;

	bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~CB_BRIDGE_INTR;
	if (!socket->cb_irq)
		bridge |= CB_BRIDGE_INTR;
	config_writew(socket, CB_BRIDGE_CONTROL, bridge);

	exca_writeb(socket, I365_GBLCTL, 0x00);
	exca_writeb(socket, I365_GENCTL, 0x00);

	/* Redo card voltage interrogation */
	yenta_interrogate(socket);

	yenta_clear_maps(socket);

	if (socket->type && socket->type->sock_init)
		socket->type->sock_init(socket);

	/* Re-enable CSC interrupts */
	cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);

	return 0;
}

static int yenta_sock_suspend(struct pcmcia_socket *sock)
{
	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

	/* Disable CSC interrupts */
	cb_writel(socket, CB_SOCKET_MASK, 0x0);

	return 0;
}

/*
 * Use an adaptive allocation for the memory resource,
 * sometimes the memory behind pci bridges is limited:
 * 1/8 of the size of the io window of the parent.
 * max 4 MB, min 16 kB. We try very hard to not get below
 * the "ACC" values, though.
 */
#define BRIDGE_MEM_MAX 4*1024*1024
#define BRIDGE_MEM_ACC 128*1024
#define BRIDGE_MEM_MIN 16*1024

#define BRIDGE_IO_MAX 512
#define BRIDGE_IO_ACC 256
#define BRIDGE_IO_MIN 32

#ifndef PCIBIOS_MIN_CARDBUS_IO
#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
#endif

static int yenta_search_one_res(struct resource *root, struct resource *res,
				u32 min)
{
	u32 align, size, start, end;

	if (res->flags & IORESOURCE_IO) {
		align = 1024;
		size = BRIDGE_IO_MAX;
		start = PCIBIOS_MIN_CARDBUS_IO;
		end = ~0U;
	} else {
		unsigned long avail = root->end - root->start;
		int i;
		size = BRIDGE_MEM_MAX;
		if (size > avail/8) {
			size=(avail+1)/8;
			/* round size down to next power of 2 */
			i = 0;
			while ((size /= 2) != 0)
				i++;
			size = 1 << i;
		}
		if (size < min)
			size = min;
		align = size;
		start = PCIBIOS_MIN_MEM;
		end = ~0U;
	}

	do {
		if (allocate_resource(root, res, size, start, end, align,
				      NULL, NULL)==0) {
			return 1;
		}
		size = size/2;
		align = size;
	} while (size >= min);

	return 0;
}


static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
			    u32 min)
{
	int i;
	for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
		struct resource * root = socket->dev->bus->resource[i];
		if (!root)
			continue;

		if ((res->flags ^ root->flags) &
		    (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
			continue; /* Wrong type */

		if (yenta_search_one_res(root, res, min))
			return 1;
	}
	return 0;
}

static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
{
	struct resource *root, *res;
	struct pci_bus_region region;
	unsigned mask;

	res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
	/* Already allocated? */
	if (res->parent)
		return 0;

	/* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
	mask = ~0xfff;
	if (type & IORESOURCE_IO)
		mask = ~3;

	res->name = socket->dev->subordinate->name;
	res->flags = type;

	region.start = config_readl(socket, addr_start) & mask;
	region.end = config_readl(socket, addr_end) | ~mask;
	if (region.start && region.end > region.start && !override_bios) {
		pcibios_bus_to_resource(socket->dev, res, &region);
		root = pci_find_parent_resource(socket->dev, res);
		if (root && (request_resource(root, res) == 0))
			return 0;
		printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n",
				pci_name(socket->dev), nr);
	}

	if (type & IORESOURCE_IO) {
		if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
		    (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
		    (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
			return 1;
	} else {
		if (type & IORESOURCE_PREFETCH) {
			if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
			    (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
			    (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
				return 1;
			/* Approximating prefetchable by non-prefetchable */
			res->flags = IORESOURCE_MEM;
		}
		if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
		    (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
		    (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
			return 1;
	}

	printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n",
	       pci_name(socket->dev), type);
	res->start = res->end = res->flags = 0;
	return 0;
}

/*
 * Allocate the bridge mappings for the device..
 */
static void yenta_allocate_resources(struct yenta_socket *socket)
{
	int program = 0;
	program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
			   PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
	program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
			   PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
	program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
			   PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
	program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
			   PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
	if (program)
		pci_setup_cardbus(socket->dev->subordinate);
}


/*
 * Free the bridge mappings for the device..
 */
static void yenta_free_resources(struct yenta_socket *socket)
{
	int i;
	for (i=0;i<4;i++) {
		struct resource *res;
		res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
		if (res->start != 0 && res->end != 0)
			release_resource(res);
		res->start = res->end = res->flags = 0;
	}
}


/*
 * Close it down - release our resources and go home..
 */
static void yenta_close(struct pci_dev *dev)
{
	struct yenta_socket *sock = pci_get_drvdata(dev);

	/* we don't want a dying socket registered */
	pcmcia_unregister_socket(&sock->socket);
	
	/* Disable all events so we don't die in an IRQ storm */
	cb_writel(sock, CB_SOCKET_MASK, 0x0);
	exca_writeb(sock, I365_CSCINT, 0);

	if (sock->cb_irq)
		free_irq(sock->cb_irq, sock);
	else
		del_timer_sync(&sock->poll_timer);

	if (sock->base)
		iounmap(sock->base);
	yenta_free_resources(sock);

	pci_release_regions(dev);
	pci_disable_device(dev);
	pci_set_drvdata(dev, NULL);
}


static struct pccard_operations yenta_socket_operations = {
	.init			= yenta_sock_init,
	.suspend		= yenta_sock_suspend,
	.get_status		= yenta_get_status,
	.get_socket		= yenta_get_socket,
	.set_socket		= yenta_set_socket,
	.set_io_map		= yenta_set_io_map,
	.set_mem_map		= yenta_set_mem_map,
};


#include "ti113x.h"
#include "ricoh.h"
#include "topic.h"
#include "o2micro.h"

enum {
	CARDBUS_TYPE_DEFAULT = -1,
	CARDBUS_TYPE_TI,
	CARDBUS_TYPE_TI113X,
	CARDBUS_TYPE_TI12XX,
	CARDBUS_TYPE_TI1250,
	CARDBUS_TYPE_RICOH,
	CARDBUS_TYPE_TOPIC95,
	CARDBUS_TYPE_TOPIC97,
	CARDBUS_TYPE_O2MICRO,
};

/*
 * Different cardbus controllers have slightly different
 * initialization sequences etc details. List them here..
 */
static struct cardbus_type cardbus_type[] = {
	[CARDBUS_TYPE_TI]	= {
		.override	= ti_override,
		.save_state	= ti_save_state,
		.restore_state	= ti_restore_state,
		.sock_init	= ti_init,
	},
	[CARDBUS_TYPE_TI113X]	= {
		.override	= ti113x_override,
		.save_state	= ti_save_state,
		.restore_state	= ti_restore_state,
		.sock_init	= ti_init,
	},
	[CARDBUS_TYPE_TI12XX]	= {
		.override	= ti12xx_override,
		.save_state	= ti_save_state,
		.restore_state	= ti_restore_state,
		.sock_init	= ti_init,
	},
	[CARDBUS_TYPE_TI1250]	= {
		.override	= ti1250_override,
		.save_state	= ti_save_state,
		.restore_state	= ti_restore_state,
		.sock_init	= ti_init,
	},
	[CARDBUS_TYPE_RICOH]	= {
		.override	= ricoh_override,
		.save_state	= ricoh_save_state,
		.restore_state	= ricoh_restore_state,
	},
	[CARDBUS_TYPE_TOPIC95]	= {
		.override	= topic95_override,
	},
	[CARDBUS_TYPE_TOPIC97]	= {
		.override	= topic97_override,
	},
	[CARDBUS_TYPE_O2MICRO]	= {
		.override	= o2micro_override,
		.restore_state	= o2micro_restore_state,
	},
};


/*
 * Only probe "regular" interrupts, don't
 * touch dangerous spots like the mouse irq,
 * because there are mice that apparently
 * get really confused if they get fondled
 * too intimately.
 *
 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
 */
static u32 isa_interrupts = 0x0ef8;

static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
{
	int i;
	unsigned long val;
	u16 bridge_ctrl;
	u32 mask;

	/* Set up ISA irq routing to probe the ISA irqs.. */
	bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
	if (!(bridge_ctrl & CB_BRIDGE_INTR)) {
		bridge_ctrl |= CB_BRIDGE_INTR;
		config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
	}

	/*
	 * Probe for usable interrupts using the force
	 * register to generate bogus card status events.
	 */
	cb_writel(socket, CB_SOCKET_EVENT, -1);
	cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
	exca_writeb(socket, I365_CSCINT, 0);
	val = probe_irq_on() & isa_irq_mask;
	for (i = 1; i < 16; i++) {
		if (!((val >> i) & 1))
			continue;
		exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
		cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
		udelay(100);
		cb_writel(socket, CB_SOCKET_EVENT, -1);
	}
	cb_writel(socket, CB_SOCKET_MASK, 0);
	exca_writeb(socket, I365_CSCINT, 0);

	mask = probe_irq_mask(val) & 0xffff;

	bridge_ctrl &= ~CB_BRIDGE_INTR;
	config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);

	return mask;
}


/* interrupt handler, only used during probing */
static irqreturn_t yenta_probe_handler(int irq, void *dev_id, struct pt_regs *regs)
{
	struct yenta_socket *socket = (struct yenta_socket *) dev_id;
	u8 csc;
        u32 cb_event;

	/* Clear interrupt status for the event */
	cb_event = cb_readl(socket, CB_SOCKET_EVENT);
	cb_writel(socket, CB_SOCKET_EVENT, -1);
	csc = exca_readb(socket, I365_CSC);

	if (cb_event || csc) {
		socket->probe_status = 1;
		return IRQ_HANDLED;
	}

	return IRQ_NONE;
}

/* probes the PCI interrupt, use only on override functions */
static int yenta_probe_cb_irq(struct yenta_socket *socket)
{
	u16 bridge_ctrl;

	if (!socket->cb_irq)
		return -1;

	socket->probe_status = 0;

	/* disable ISA interrupts */
	bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
	bridge_ctrl &= ~CB_BRIDGE_INTR;
	config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);

	if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) {
		printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
		return -1;
	}

	/* generate interrupt, wait */
	exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
	cb_writel(socket, CB_SOCKET_EVENT, -1);
	cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
	cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
	
	msleep(100);

	/* disable interrupts */
	cb_writel(socket, CB_SOCKET_MASK, 0);
	exca_writeb(socket, I365_CSCINT, 0);
	cb_writel(socket, CB_SOCKET_EVENT, -1);
	exca_readb(socket, I365_CSC);

	free_irq(socket->cb_irq, socket);

	return (int) socket->probe_status;
}



/*
 * Set static data that doesn't need re-initializing..
 */
static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
{
	socket->socket.pci_irq = socket->cb_irq;
	if (isa_probe)
		socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
	else
		socket->socket.irq_mask = 0;

	printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n",
	       socket->socket.irq_mask, socket->cb_irq);
}

/*
 * Initialize the standard cardbus registers
 */
static void yenta_config_init(struct yenta_socket *socket)
{
	u16 bridge;
	struct pci_dev *dev = socket->dev;

	pci_set_power_state(socket->dev, 0);

	config_writel(socket, CB_LEGACY_MODE_BASE, 0);
	config_writel(socket, PCI_BASE_ADDRESS_0, dev->resource[0].start);
	config_writew(socket, PCI_COMMAND,
			PCI_COMMAND_IO |
			PCI_COMMAND_MEMORY |
			PCI_COMMAND_MASTER |
			PCI_COMMAND_WAIT);

	/* MAGIC NUMBERS! Fixme */
	config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
	config_writeb(socket, PCI_LATENCY_TIMER, 168);
	config_writel(socket, PCI_PRIMARY_BUS,
		(176 << 24) |			   /* sec. latency timer */
		(dev->subordinate->subordinate << 16) | /* subordinate bus */
		(dev->subordinate->secondary << 8) |  /* secondary bus */
		dev->subordinate->primary);		   /* primary bus */

	/*
	 * Set up the bridging state:
	 *  - enable write posting.
	 *  - memory window 0 prefetchable, window 1 non-prefetchable
	 *  - PCI interrupts enabled if a PCI interrupt exists..
	 */
	bridge = config_readw(socket, CB_BRIDGE_CONTROL);
	bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_INTR | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
	bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN | CB_BRIDGE_INTR;
	config_writew(socket, CB_BRIDGE_CONTROL, bridge);
}

/*
 * Initialize a cardbus controller. Make sure we have a usable
 * interrupt, and that we can map the cardbus area. Fill in the
 * socket information structure..
 */
static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
{
	struct yenta_socket *socket;
	int ret;
	
	socket = kmalloc(sizeof(struct yenta_socket), GFP_KERNEL);
	if (!socket)
		return -ENOMEM;
	memset(socket, 0, sizeof(*socket));

	/* prepare pcmcia_socket */
	socket->socket.ops = &yenta_socket_operations;
	socket->socket.resource_ops = &pccard_nonstatic_ops;
	socket->socket.dev.dev = &dev->dev;
	socket->socket.driver_data = socket;
	socket->socket.owner = THIS_MODULE;
	socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
	socket->socket.map_size = 0x1000;
	socket->socket.cb_dev = dev;

	/* prepare struct yenta_socket */
	socket->dev = dev;
	pci_set_drvdata(dev, socket);

	/*
	 * Do some basic sanity checking..
	 */
	if (pci_enable_device(dev)) {
		ret = -EBUSY;
		goto free;
	}

	ret = pci_request_regions(dev, "yenta_socket");
	if (ret)
		goto disable;

	if (!pci_resource_start(dev, 0)) {
		printk(KERN_ERR "No cardbus resource!\n");
		ret = -ENODEV;
		goto release;
	}

	/*
	 * Ok, start setup.. Map the cardbus registers,
	 * and request the IRQ.
	 */
	socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
	if (!socket->base) {
		ret = -ENOMEM;
		goto release;
	}

	/*
	 * report the subsystem vendor and device for help debugging
	 * the irq stuff...
	 */
	printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n",
		pci_name(dev), dev->subsystem_vendor, dev->subsystem_device);

	yenta_config_init(socket);

	/* Disable all events */
	cb_writel(socket, CB_SOCKET_MASK, 0x0);

	/* Set up the bridge regions.. */
	yenta_allocate_resources(socket);

	socket->cb_irq = dev->irq;

	/* Do we have special options for the device? */
	if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
	    id->driver_data < ARRAY_SIZE(cardbus_type)) {
		socket->type = &cardbus_type[id->driver_data];

		ret = socket->type->override(socket);
		if (ret < 0)
			goto unmap;
	}

	/* We must finish initialization here */

	if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, SA_SHIRQ, "yenta", socket)) {
		/* No IRQ or request_irq failed. Poll */
		socket->cb_irq = 0; /* But zero is a valid IRQ number. */
		init_timer(&socket->poll_timer);
		socket->poll_timer.function = yenta_interrupt_wrapper;
		socket->poll_timer.data = (unsigned long)socket;
		socket->poll_timer.expires = jiffies + HZ;
		add_timer(&socket->poll_timer);
		printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n"
		       KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
	} else {
		socket->socket.features |= SS_CAP_CARDBUS;
	}

	/* Figure out what the dang thing can do for the PCMCIA layer... */
	yenta_interrogate(socket);
	yenta_get_socket_capabilities(socket, isa_interrupts);
	printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));

	/* Register it with the pcmcia layer.. */
	ret = pcmcia_register_socket(&socket->socket);
	if (ret == 0)
		goto out;

 unmap:
	iounmap(socket->base);
 release:
	pci_release_regions(dev);
 disable:
	pci_disable_device(dev);
 free:
	kfree(socket);
 out:
	return ret;
}


static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
{
	struct yenta_socket *socket = pci_get_drvdata(dev);
	int ret;

	ret = pcmcia_socket_dev_suspend(&dev->dev, state);

	if (socket) {
		if (socket->type && socket->type->save_state)
			socket->type->save_state(socket);

		/* FIXME: pci_save_state needs to have a better interface */
		pci_save_state(dev);
		pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
		pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
		pci_disable_device(dev);

		/*
		 * Some laptops (IBM T22) do not like us putting the Cardbus
		 * bridge into D3.  At a guess, some other laptop will
		 * probably require this, so leave it commented out for now.
		 */
		/* pci_set_power_state(dev, 3); */
	}

	return ret;
}


static int yenta_dev_resume (struct pci_dev *dev)
{
	struct yenta_socket *socket = pci_get_drvdata(dev);

	if (socket) {
		pci_set_power_state(dev, 0);
		/* FIXME: pci_restore_state needs to have a better interface */
		pci_restore_state(dev);
		pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
		pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
		pci_enable_device(dev);
		pci_set_master(dev);

		if (socket->type && socket->type->restore_state)
			socket->type->restore_state(socket);
	}

	return pcmcia_socket_dev_resume(&dev->dev);
}


#define CB_ID(vend,dev,type)				\
	{						\
		.vendor		= vend,			\
		.device		= dev,			\
		.subvendor	= PCI_ANY_ID,		\
		.subdevice	= PCI_ANY_ID,		\
		.class		= PCI_CLASS_BRIDGE_CARDBUS << 8, \
		.class_mask	= ~0,			\
		.driver_data	= CARDBUS_TYPE_##type,	\
	}

static struct pci_device_id yenta_table [] = {
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),

	/*
	 * TBD: Check if these TI variants can use more
	 * advanced overrides instead.  (I can't get the
	 * data sheets for these devices. --rmk)
	 */
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),

	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),

	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),

	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),

	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, TI12XX),
	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, TI12XX),
	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, TI1250),
	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, TI12XX),

	CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
	CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
	CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
	CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
	CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),

	CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
	CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
	CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),

	CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),

	/* match any cardbus bridge */
	CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
	{ /* all zeroes */ }
};
MODULE_DEVICE_TABLE(pci, yenta_table);


static struct pci_driver yenta_cardbus_driver = {
	.name		= "yenta_cardbus",
	.id_table	= yenta_table,
	.probe		= yenta_probe,
	.remove		= __devexit_p(yenta_close),
	.suspend	= yenta_dev_suspend,
	.resume		= yenta_dev_resume,
};


static int __init yenta_socket_init(void)
{
	return pci_register_driver (&yenta_cardbus_driver);
}


static void __exit yenta_socket_exit (void)
{
	pci_unregister_driver (&yenta_cardbus_driver);
}


module_init(yenta_socket_init);
module_exit(yenta_socket_exit);

MODULE_LICENSE("GPL");
OpenPOWER on IntegriCloud