aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/brcm80211/brcmsmac/channel.c
blob: 89ad1b7dab8fdd69a60822b80585cef29814af44 (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
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
/*
 * Copyright (c) 2010 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <linux/types.h>
#include <net/mac80211.h>

#include <defs.h>
#include "pub.h"
#include "phy/phy_hal.h"
#include "main.h"
#include "stf.h"
#include "channel.h"

/* QDB() macro takes a dB value and converts to a quarter dB value */
#define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR)

#define  LOCALE_CHAN_01_11	 (1<<0)
#define  LOCALE_CHAN_12_13	 (1<<1)
#define  LOCALE_CHAN_14		 (1<<2)
#define  LOCALE_SET_5G_LOW_JP1   (1<<3)	/* 34-48, step 2 */
#define  LOCALE_SET_5G_LOW_JP2   (1<<4)	/* 34-46, step 4 */
#define  LOCALE_SET_5G_LOW1      (1<<5)	/* 36-48, step 4 */
#define  LOCALE_SET_5G_LOW2      (1<<6)	/* 52 */
#define  LOCALE_SET_5G_LOW3      (1<<7)	/* 56-64, step 4 */
#define  LOCALE_SET_5G_MID1      (1<<8)	/* 100-116, step 4 */
#define  LOCALE_SET_5G_MID2	 (1<<9)	/* 120-124, step 4 */
#define  LOCALE_SET_5G_MID3      (1<<10)	/* 128 */
#define  LOCALE_SET_5G_HIGH1     (1<<11)	/* 132-140, step 4 */
#define  LOCALE_SET_5G_HIGH2     (1<<12)	/* 149-161, step 4 */
#define  LOCALE_SET_5G_HIGH3     (1<<13)	/* 165 */
#define  LOCALE_CHAN_52_140_ALL  (1<<14)
#define  LOCALE_SET_5G_HIGH4     (1<<15)	/* 184-216 */

#define  LOCALE_CHAN_36_64	(LOCALE_SET_5G_LOW1 | \
				 LOCALE_SET_5G_LOW2 | \
				 LOCALE_SET_5G_LOW3)
#define  LOCALE_CHAN_52_64	(LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
#define  LOCALE_CHAN_100_124	(LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
#define  LOCALE_CHAN_100_140	(LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | \
				  LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
#define  LOCALE_CHAN_149_165	(LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
#define  LOCALE_CHAN_184_216	LOCALE_SET_5G_HIGH4

#define  LOCALE_CHAN_01_14	(LOCALE_CHAN_01_11 | \
				 LOCALE_CHAN_12_13 | \
				 LOCALE_CHAN_14)

#define  LOCALE_RADAR_SET_NONE		  0
#define  LOCALE_RADAR_SET_1		  1

#define  LOCALE_RESTRICTED_NONE		  0
#define  LOCALE_RESTRICTED_SET_2G_SHORT   1
#define  LOCALE_RESTRICTED_CHAN_165       2
#define  LOCALE_CHAN_ALL_5G		  3
#define  LOCALE_RESTRICTED_JAPAN_LEGACY   4
#define  LOCALE_RESTRICTED_11D_2G	  5
#define  LOCALE_RESTRICTED_11D_5G	  6
#define  LOCALE_RESTRICTED_LOW_HI	  7
#define  LOCALE_RESTRICTED_12_13_14	  8

#define LOCALE_2G_IDX_i			0
#define LOCALE_5G_IDX_11		0
#define LOCALE_MIMO_IDX_bn		0
#define LOCALE_MIMO_IDX_11n		0

/* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */
#define BRCMS_MAXPWR_TBL_SIZE		6
/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */
#define BRCMS_MAXPWR_MIMO_TBL_SIZE	14

/* power level in group of 2.4GHz band channels:
 * maxpwr[0] - CCK  channels [1]
 * maxpwr[1] - CCK  channels [2-10]
 * maxpwr[2] - CCK  channels [11-14]
 * maxpwr[3] - OFDM channels [1]
 * maxpwr[4] - OFDM channels [2-10]
 * maxpwr[5] - OFDM channels [11-14]
 */

/* maxpwr mapping to 5GHz band channels:
 * maxpwr[0] - channels [34-48]
 * maxpwr[1] - channels [52-60]
 * maxpwr[2] - channels [62-64]
 * maxpwr[3] - channels [100-140]
 * maxpwr[4] - channels [149-165]
 */
#define BAND_5G_PWR_LVLS	5	/* 5 power levels for 5G */

#define LC(id)	LOCALE_MIMO_IDX_ ## id

#define LC_2G(id)	LOCALE_2G_IDX_ ## id

#define LC_5G(id)	LOCALE_5G_IDX_ ## id

#define LOCALES(band2, band5, mimo2, mimo5) \
		{LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}

/* macro to get 2.4 GHz channel group index for tx power */
#define CHANNEL_POWER_IDX_2G_CCK(c) (((c) < 2) ? 0 : (((c) < 11) ? 1 : 2))
#define CHANNEL_POWER_IDX_2G_OFDM(c) (((c) < 2) ? 3 : (((c) < 11) ? 4 : 5))

/* macro to get 5 GHz channel group index for tx power */
#define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \
				 (((c) < 62) ? 1 : \
				 (((c) < 100) ? 2 : \
				 (((c) < 149) ? 3 : 4))))

#define ISDFS_EU(fl)		(((fl) & BRCMS_DFS_EU) == BRCMS_DFS_EU)

struct brcms_cm_band {
	/* struct locale_info flags */
	u8 locale_flags;
	/* List of valid channels in the country */
	struct brcms_chanvec valid_channels;
	/* List of restricted use channels */
	const struct brcms_chanvec *restricted_channels;
	/* List of radar sensitive channels */
	const struct brcms_chanvec *radar_channels;
	u8 PAD[8];
};

 /* locale per-channel tx power limits for MIMO frames
  * maxpwr arrays are index by channel for 2.4 GHz limits, and
  * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel)
  */
struct locale_mimo_info {
	/* tx 20 MHz power limits, qdBm units */
	s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE];
	/* tx 40 MHz power limits, qdBm units */
	s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE];
	u8 flags;
};

/* Country names and abbreviations with locale defined from ISO 3166 */
struct country_info {
	const u8 locale_2G;	/* 2.4G band locale */
	const u8 locale_5G;	/* 5G band locale */
	const u8 locale_mimo_2G;	/* 2.4G mimo info */
	const u8 locale_mimo_5G;	/* 5G mimo info */
};

struct brcms_cm_info {
	struct brcms_pub *pub;
	struct brcms_c_info *wlc;
	char srom_ccode[BRCM_CNTRY_BUF_SZ];	/* Country Code in SROM */
	uint srom_regrev;	/* Regulatory Rev for the SROM ccode */
	const struct country_info *country;	/* current country def */
	char ccode[BRCM_CNTRY_BUF_SZ];	/* current internal Country Code */
	uint regrev;		/* current Regulatory Revision */
	char country_abbrev[BRCM_CNTRY_BUF_SZ];	/* current advertised ccode */
	/* per-band state (one per phy/radio) */
	struct brcms_cm_band bandstate[MAXBANDS];
	/* quiet channels currently for radar sensitivity or 11h support */
	/* channels on which we cannot transmit */
	struct brcms_chanvec quiet_channels;
};

/* locale channel and power info. */
struct locale_info {
	u32 valid_channels;
	/* List of radar sensitive channels */
	u8 radar_channels;
	/* List of channels used only if APs are detected */
	u8 restricted_channels;
	/* Max tx pwr in qdBm for each sub-band */
	s8 maxpwr[BRCMS_MAXPWR_TBL_SIZE];
	/* Country IE advertised max tx pwr in dBm per sub-band */
	s8 pub_maxpwr[BAND_5G_PWR_LVLS];
	u8 flags;
};

/* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */

/*
 * Some common channel sets
 */

/* No channels */
static const struct brcms_chanvec chanvec_none = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* All 2.4 GHz HW channels */
static const struct brcms_chanvec chanvec_all_2G = {
	{0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* All 5 GHz HW channels */
static const struct brcms_chanvec chanvec_all_5G = {
	{0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
	 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
	 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
	 0x11, 0x11, 0x11, 0x01}
};

/*
 * Radar channel sets
 */

/* Channels 52 - 64, 100 - 140 */
static const struct brcms_chanvec radar_set1 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,  /* 52 - 60 */
	 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,  /* 64, 100 - 124 */
	 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* 128 - 140 */
	 0x00, 0x00, 0x00, 0x00}
};

/*
 * Restricted channel sets
 */

/* Channels 34, 38, 42, 46 */
static const struct brcms_chanvec restricted_set_japan_legacy = {
	{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* Channels 12, 13 */
static const struct brcms_chanvec restricted_set_2g_short = {
	{0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* Channel 165 */
static const struct brcms_chanvec restricted_chan_165 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* Channels 36 - 48 & 149 - 165 */
static const struct brcms_chanvec restricted_low_hi = {
	{0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* Channels 12 - 14 */
static const struct brcms_chanvec restricted_set_12_13_14 = {
	{0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

/* global memory to provide working buffer for expanded locale */

static const struct brcms_chanvec *g_table_radar_set[] = {
	&chanvec_none,
	&radar_set1
};

static const struct brcms_chanvec *g_table_restricted_chan[] = {
	&chanvec_none,		/* restricted_set_none */
	&restricted_set_2g_short,
	&restricted_chan_165,
	&chanvec_all_5G,
	&restricted_set_japan_legacy,
	&chanvec_all_2G,	/* restricted_set_11d_2G */
	&chanvec_all_5G,	/* restricted_set_11d_5G */
	&restricted_low_hi,
	&restricted_set_12_13_14
};

static const struct brcms_chanvec locale_2g_01_11 = {
	{0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_2g_12_13 = {
	{0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_2g_14 = {
	{0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_LOW_JP1 = {
	{0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_LOW_JP2 = {
	{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_LOW1 = {
	{0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_LOW2 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_LOW3 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
	 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_MID1 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_MID2 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_MID3 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_HIGH1 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_HIGH2 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_HIGH3 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_52_140_ALL = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
	 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
	 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00}
};

static const struct brcms_chanvec locale_5g_HIGH4 = {
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
	 0x11, 0x11, 0x11, 0x11}
};

static const struct brcms_chanvec *g_table_locale_base[] = {
	&locale_2g_01_11,
	&locale_2g_12_13,
	&locale_2g_14,
	&locale_5g_LOW_JP1,
	&locale_5g_LOW_JP2,
	&locale_5g_LOW1,
	&locale_5g_LOW2,
	&locale_5g_LOW3,
	&locale_5g_MID1,
	&locale_5g_MID2,
	&locale_5g_MID3,
	&locale_5g_HIGH1,
	&locale_5g_HIGH2,
	&locale_5g_HIGH3,
	&locale_5g_52_140_ALL,
	&locale_5g_HIGH4
};

static void brcms_c_locale_add_channels(struct brcms_chanvec *target,
				    const struct brcms_chanvec *channels)
{
	u8 i;
	for (i = 0; i < sizeof(struct brcms_chanvec); i++)
		target->vec[i] |= channels->vec[i];
}

static void brcms_c_locale_get_channels(const struct locale_info *locale,
				    struct brcms_chanvec *channels)
{
	u8 i;

	memset(channels, 0, sizeof(struct brcms_chanvec));

	for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
		if (locale->valid_channels & (1 << i))
			brcms_c_locale_add_channels(channels,
						g_table_locale_base[i]);
	}
}

/*
 * Locale Definitions - 2.4 GHz
 */
static const struct locale_info locale_i = {	/* locale i. channel 1 - 13 */
	LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
	LOCALE_RADAR_SET_NONE,
	LOCALE_RESTRICTED_SET_2G_SHORT,
	{QDB(19), QDB(19), QDB(19),
	 QDB(19), QDB(19), QDB(19)},
	{20, 20, 20, 0},
	BRCMS_EIRP
};

/*
 * Locale Definitions - 5 GHz
 */
static const struct locale_info locale_11 = {
	/* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
	LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
	LOCALE_RADAR_SET_1,
	LOCALE_RESTRICTED_NONE,
	{QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
	{23, 23, 23, 30, 30},
	BRCMS_EIRP | BRCMS_DFS_EU
};

static const struct locale_info *g_locale_2g_table[] = {
	&locale_i
};

static const struct locale_info *g_locale_5g_table[] = {
	&locale_11
};

/*
 * MIMO Locale Definitions - 2.4 GHz
 */
static const struct locale_mimo_info locale_bn = {
	{QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
	 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
	 QDB(13), QDB(13), QDB(13)},
	{0, 0, QDB(13), QDB(13), QDB(13),
	 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
	 QDB(13), 0, 0},
	0
};

static const struct locale_mimo_info *g_mimo_2g_table[] = {
	&locale_bn
};

/*
 * MIMO Locale Definitions - 5 GHz
 */
static const struct locale_mimo_info locale_11n = {
	{ /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
	{QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
	0
};

static const struct locale_mimo_info *g_mimo_5g_table[] = {
	&locale_11n
};

static const struct {
	char abbrev[BRCM_CNTRY_BUF_SZ];	/* country abbreviation */
	struct country_info country;
} cntry_locales[] = {
	{
	"X2", LOCALES(i, 11, bn, 11n)},	/* Worldwide RoW 2 */
};

#ifdef SUPPORT_40MHZ
/* 20MHz channel info for 40MHz pairing support */
struct chan20_info {
	u8 sb;
	u8 adj_sbs;
};

/* indicates adjacent channels that are allowed for a 40 Mhz channel and
 * those that permitted by the HT
 */
struct chan20_info chan20_info[] = {
	/* 11b/11g */
/* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
/* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
/* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
/* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
/* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
/* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
/* 11 */ {12, (CH_LOWER_SB)},
/* 12 */ {13, (CH_LOWER_SB)},
/* 13 */ {14, (CH_LOWER_SB)},

/* 11a japan high */
/* 14 */ {34, (CH_UPPER_SB)},
/* 15 */ {38, (CH_LOWER_SB)},
/* 16 */ {42, (CH_LOWER_SB)},
/* 17 */ {46, (CH_LOWER_SB)},

/* 11a usa low */
/* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
/* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
/* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
/* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
/* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
/* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
/* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
/* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},

/* 11a Europe */
/* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
/* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
/* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
/* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
/* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
/* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
/* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
/* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
/* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
/* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
/* 36 */ {140, (CH_LOWER_SB)},

/* 11a usa high, ref5 only */
/* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
/* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
/* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
/* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
/* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
/* 41 */ {165, (CH_LOWER_SB)},

/* 11a japan */
/* 42 */ {184, (CH_UPPER_SB)},
/* 43 */ {188, (CH_LOWER_SB)},
/* 44 */ {192, (CH_UPPER_SB)},
/* 45 */ {196, (CH_LOWER_SB)},
/* 46 */ {200, (CH_UPPER_SB)},
/* 47 */ {204, (CH_LOWER_SB)},
/* 48 */ {208, (CH_UPPER_SB)},
/* 49 */ {212, (CH_LOWER_SB)},
/* 50 */ {216, (CH_LOWER_SB)}
};
#endif				/* SUPPORT_40MHZ */

static const struct locale_info *brcms_c_get_locale_2g(u8 locale_idx)
{
	if (locale_idx >= ARRAY_SIZE(g_locale_2g_table))
		return NULL; /* error condition */

	return g_locale_2g_table[locale_idx];
}

static const struct locale_info *brcms_c_get_locale_5g(u8 locale_idx)
{
	if (locale_idx >= ARRAY_SIZE(g_locale_5g_table))
		return NULL; /* error condition */

	return g_locale_5g_table[locale_idx];
}

static const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx)
{
	if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table))
		return NULL;

	return g_mimo_2g_table[locale_idx];
}

static const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx)
{
	if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table))
		return NULL;

	return g_mimo_5g_table[locale_idx];
}

static int
brcms_c_country_aggregate_map(struct brcms_cm_info *wlc_cm, const char *ccode,
			  char *mapped_ccode, uint *mapped_regrev)
{
	return false;
}

/* Lookup a country info structure from a null terminated country
 * abbreviation and regrev directly with no translation.
 */
static const struct country_info *
brcms_c_country_lookup_direct(const char *ccode, uint regrev)
{
	uint size, i;

	/* Should just return 0 for single locale driver. */
	/* Keep it this way in case we add more locales. (for now anyway) */

	/*
	 * all other country def arrays are for regrev == 0, so if
	 * regrev is non-zero, fail
	 */
	if (regrev > 0)
		return NULL;

	/* find matched table entry from country code */
	size = ARRAY_SIZE(cntry_locales);
	for (i = 0; i < size; i++) {
		if (strcmp(ccode, cntry_locales[i].abbrev) == 0)
			return &cntry_locales[i].country;
	}
	return NULL;
}

static const struct country_info *
brcms_c_countrycode_map(struct brcms_cm_info *wlc_cm, const char *ccode,
			char *mapped_ccode, uint *mapped_regrev)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	const struct country_info *country;
	uint srom_regrev = wlc_cm->srom_regrev;
	const char *srom_ccode = wlc_cm->srom_ccode;
	int mapped;

	/* check for currently supported ccode size */
	if (strlen(ccode) > (BRCM_CNTRY_BUF_SZ - 1)) {
		wiphy_err(wlc->wiphy, "wl%d: %s: ccode \"%s\" too long for "
			  "match\n", wlc->pub->unit, __func__, ccode);
		return NULL;
	}

	/* default mapping is the given ccode and regrev 0 */
	strncpy(mapped_ccode, ccode, BRCM_CNTRY_BUF_SZ);
	*mapped_regrev = 0;

	/* If the desired country code matches the srom country code,
	 * then the mapped country is the srom regulatory rev.
	 * Otherwise look for an aggregate mapping.
	 */
	if (!strcmp(srom_ccode, ccode)) {
		*mapped_regrev = srom_regrev;
		mapped = 0;
		wiphy_err(wlc->wiphy, "srom_code == ccode %s\n", __func__);
	} else {
		mapped =
		    brcms_c_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
					      mapped_regrev);
	}

	/* find the matching built-in country definition */
	country = brcms_c_country_lookup_direct(mapped_ccode, *mapped_regrev);

	/* if there is not an exact rev match, default to rev zero */
	if (country == NULL && *mapped_regrev != 0) {
		*mapped_regrev = 0;
		country =
		    brcms_c_country_lookup_direct(mapped_ccode, *mapped_regrev);
	}

	return country;
}

/* Lookup a country info structure from a null terminated country code
 * The lookup is case sensitive.
 */
static const struct country_info *
brcms_c_country_lookup(struct brcms_c_info *wlc, const char *ccode)
{
	const struct country_info *country;
	char mapped_ccode[BRCM_CNTRY_BUF_SZ];
	uint mapped_regrev;

	/*
	 * map the country code to a built-in country code, regrev, and
	 * country_info struct
	 */
	country = brcms_c_countrycode_map(wlc->cmi, ccode, mapped_ccode,
					  &mapped_regrev);

	return country;
}

/*
 * reset the quiet channels vector to the union
 * of the restricted and radar channel sets
 */
static void brcms_c_quiet_channels_reset(struct brcms_cm_info *wlc_cm)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	uint i, j;
	struct brcms_band *band;
	const struct brcms_chanvec *chanvec;

	memset(&wlc_cm->quiet_channels, 0, sizeof(struct brcms_chanvec));

	band = wlc->band;
	for (i = 0; i < wlc->pub->_nbands;
	     i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {

		/* initialize quiet channels for restricted channels */
		chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
		for (j = 0; j < sizeof(struct brcms_chanvec); j++)
			wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];

	}
}

/* Is the channel valid for the current locale and current band? */
static bool brcms_c_valid_channel20(struct brcms_cm_info *wlc_cm, uint val)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;

	return ((val < MAXCHANNEL) &&
		isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
		      val));
}

/* Is the channel valid for the current locale and specified band? */
static bool brcms_c_valid_channel20_in_band(struct brcms_cm_info *wlc_cm,
					    uint bandunit, uint val)
{
	return ((val < MAXCHANNEL)
		&& isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
}

/* Is the channel valid for the current locale? (but don't consider channels not
 *   available due to bandlocking)
 */
static bool brcms_c_valid_channel20_db(struct brcms_cm_info *wlc_cm, uint val)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;

	return brcms_c_valid_channel20(wlc->cmi, val) ||
		(!wlc->bandlocked
		 && brcms_c_valid_channel20_in_band(wlc->cmi,
						    OTHERBANDUNIT(wlc), val));
}

/* JP, J1 - J10 are Japan ccodes */
static bool brcms_c_japan_ccode(const char *ccode)
{
	return (ccode[0] == 'J' &&
		(ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
}

/* Returns true if currently set country is Japan or variant */
static bool brcms_c_japan(struct brcms_c_info *wlc)
{
	return brcms_c_japan_ccode(wlc->cmi->country_abbrev);
}

static void
brcms_c_channel_min_txpower_limits_with_local_constraint(
		struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr,
		u8 local_constraint_qdbm)
{
	int j;

	/* CCK Rates */
	for (j = 0; j < WL_TX_POWER_CCK_NUM; j++)
		txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);

	/* 20 MHz Legacy OFDM SISO */
	for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++)
		txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);

	/* 20 MHz Legacy OFDM CDD */
	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
		txpwr->ofdm_cdd[j] =
		    min(txpwr->ofdm_cdd[j], local_constraint_qdbm);

	/* 40 MHz Legacy OFDM SISO */
	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
		txpwr->ofdm_40_siso[j] =
		    min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);

	/* 40 MHz Legacy OFDM CDD */
	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
		txpwr->ofdm_40_cdd[j] =
		    min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);

	/* 20MHz MCS 0-7 SISO */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_20_siso[j] =
		    min(txpwr->mcs_20_siso[j], local_constraint_qdbm);

	/* 20MHz MCS 0-7 CDD */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_20_cdd[j] =
		    min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);

	/* 20MHz MCS 0-7 STBC */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_20_stbc[j] =
		    min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);

	/* 20MHz MCS 8-15 MIMO */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
		txpwr->mcs_20_mimo[j] =
		    min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);

	/* 40MHz MCS 0-7 SISO */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_40_siso[j] =
		    min(txpwr->mcs_40_siso[j], local_constraint_qdbm);

	/* 40MHz MCS 0-7 CDD */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_40_cdd[j] =
		    min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);

	/* 40MHz MCS 0-7 STBC */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
		txpwr->mcs_40_stbc[j] =
		    min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);

	/* 40MHz MCS 8-15 MIMO */
	for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
		txpwr->mcs_40_mimo[j] =
		    min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);

	/* 40MHz MCS 32 */
	txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);

}

/* Update the radio state (enable/disable) and tx power targets
 * based on a new set of channel/regulatory information
 */
static void brcms_c_channels_commit(struct brcms_cm_info *wlc_cm)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	uint chan;
	struct txpwr_limits txpwr;

	/* search for the existence of any valid channel */
	for (chan = 0; chan < MAXCHANNEL; chan++) {
		if (brcms_c_valid_channel20_db(wlc->cmi, chan))
			break;
	}
	if (chan == MAXCHANNEL)
		chan = INVCHANNEL;

	/*
	 * based on the channel search above, set or
	 * clear WL_RADIO_COUNTRY_DISABLE.
	 */
	if (chan == INVCHANNEL) {
		/*
		 * country/locale with no valid channels, set
		 * the radio disable bit
		 */
		mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
		wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\" "
			  "nbands %d bandlocked %d\n", wlc->pub->unit,
			  __func__, wlc_cm->country_abbrev, wlc->pub->_nbands,
			  wlc->bandlocked);
	} else if (mboolisset(wlc->pub->radio_disabled,
			      WL_RADIO_COUNTRY_DISABLE)) {
		/*
		 * country/locale with valid channel, clear
		 * the radio disable bit
		 */
		mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
	}

	/*
	 * Now that the country abbreviation is set, if the radio supports 2G,
	 * then set channel 14 restrictions based on the new locale.
	 */
	if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G)
		wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
						     brcms_c_japan(wlc) ? true :
						     false);

	if (wlc->pub->up && chan != INVCHANNEL) {
		brcms_c_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
		brcms_c_channel_min_txpower_limits_with_local_constraint(wlc_cm,
			&txpwr, BRCMS_TXPWR_MAX);
		wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
	}
}

static int
brcms_c_channels_init(struct brcms_cm_info *wlc_cm,
		      const struct country_info *country)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	uint i, j;
	struct brcms_band *band;
	const struct locale_info *li;
	struct brcms_chanvec sup_chan;
	const struct locale_mimo_info *li_mimo;

	band = wlc->band;
	for (i = 0; i < wlc->pub->_nbands;
	     i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {

		li = (band->bandtype == BRCM_BAND_5G) ?
		    brcms_c_get_locale_5g(country->locale_5G) :
		    brcms_c_get_locale_2g(country->locale_2G);
		wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
		li_mimo = (band->bandtype == BRCM_BAND_5G) ?
		    brcms_c_get_mimo_5g(country->locale_mimo_5G) :
		    brcms_c_get_mimo_2g(country->locale_mimo_2G);

		/* merge the mimo non-mimo locale flags */
		wlc_cm->bandstate[band->bandunit].locale_flags |=
		    li_mimo->flags;

		wlc_cm->bandstate[band->bandunit].restricted_channels =
		    g_table_restricted_chan[li->restricted_channels];
		wlc_cm->bandstate[band->bandunit].radar_channels =
		    g_table_radar_set[li->radar_channels];

		/*
		 * set the channel availability, masking out the channels
		 * that may not be supported on this phy.
		 */
		wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
					      &sup_chan);
		brcms_c_locale_get_channels(li,
					&wlc_cm->bandstate[band->bandunit].
					valid_channels);
		for (j = 0; j < sizeof(struct brcms_chanvec); j++)
			wlc_cm->bandstate[band->bandunit].valid_channels.
			    vec[j] &= sup_chan.vec[j];
	}

	brcms_c_quiet_channels_reset(wlc_cm);
	brcms_c_channels_commit(wlc_cm);

	return 0;
}

/*
 * set the driver's current country and regulatory information
 * using a country code as the source. Look up built in country
 * information found with the country code.
 */
static void
brcms_c_set_country_common(struct brcms_cm_info *wlc_cm,
		       const char *country_abbrev,
		       const char *ccode, uint regrev,
		       const struct country_info *country)
{
	const struct locale_info *locale;
	struct brcms_c_info *wlc = wlc_cm->wlc;
	char prev_country_abbrev[BRCM_CNTRY_BUF_SZ];

	/* save current country state */
	wlc_cm->country = country;

	memset(&prev_country_abbrev, 0, BRCM_CNTRY_BUF_SZ);
	strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
		BRCM_CNTRY_BUF_SZ - 1);

	strncpy(wlc_cm->country_abbrev, country_abbrev, BRCM_CNTRY_BUF_SZ - 1);
	strncpy(wlc_cm->ccode, ccode, BRCM_CNTRY_BUF_SZ - 1);
	wlc_cm->regrev = regrev;

	if ((wlc->pub->_n_enab & SUPPORT_11N) !=
	    wlc->protection->nmode_user)
		brcms_c_set_nmode(wlc);

	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
	/* set or restore gmode as required by regulatory */
	locale = brcms_c_get_locale_2g(country->locale_2G);
	if (locale && (locale->flags & BRCMS_NO_OFDM))
		brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false);
	else
		brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);

	brcms_c_channels_init(wlc_cm, country);

	return;
}

static int
brcms_c_set_countrycode_rev(struct brcms_cm_info *wlc_cm,
			const char *country_abbrev,
			const char *ccode, int regrev)
{
	const struct country_info *country;
	char mapped_ccode[BRCM_CNTRY_BUF_SZ];
	uint mapped_regrev;

	/* if regrev is -1, lookup the mapped country code,
	 * otherwise use the ccode and regrev directly
	 */
	if (regrev == -1) {
		/*
		 * map the country code to a built-in country
		 * code, regrev, and country_info
		 */
		country =
		    brcms_c_countrycode_map(wlc_cm, ccode, mapped_ccode,
					&mapped_regrev);
	} else {
		/* find the matching built-in country definition */
		country = brcms_c_country_lookup_direct(ccode, regrev);
		strncpy(mapped_ccode, ccode, BRCM_CNTRY_BUF_SZ);
		mapped_regrev = regrev;
	}

	if (country == NULL)
		return -EINVAL;

	/* set the driver state for the country */
	brcms_c_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
			       mapped_regrev, country);

	return 0;
}

/*
 * set the driver's current country and regulatory information using
 * a country code as the source. Lookup built in country information
 * found with the country code.
 */
static int
brcms_c_set_countrycode(struct brcms_cm_info *wlc_cm, const char *ccode)
{
	char country_abbrev[BRCM_CNTRY_BUF_SZ];
	strncpy(country_abbrev, ccode, BRCM_CNTRY_BUF_SZ);
	return brcms_c_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
}

struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc)
{
	struct brcms_cm_info *wlc_cm;
	char country_abbrev[BRCM_CNTRY_BUF_SZ];
	const struct country_info *country;
	struct brcms_pub *pub = wlc->pub;
	char *ccode;

	BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit);

	wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC);
	if (wlc_cm == NULL)
		return NULL;
	wlc_cm->pub = pub;
	wlc_cm->wlc = wlc;
	wlc->cmi = wlc_cm;

	/* store the country code for passing up as a regulatory hint */
	ccode = getvar(wlc->hw->sih, BRCMS_SROM_CCODE);
	if (ccode)
		strncpy(wlc->pub->srom_ccode, ccode, BRCM_CNTRY_BUF_SZ - 1);

	/*
	 * internal country information which must match
	 * regulatory constraints in firmware
	 */
	memset(country_abbrev, 0, BRCM_CNTRY_BUF_SZ);
	strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
	country = brcms_c_country_lookup(wlc, country_abbrev);

	/* save default country for exiting 11d regulatory mode */
	strncpy(wlc->country_default, country_abbrev, BRCM_CNTRY_BUF_SZ - 1);

	/* initialize autocountry_default to driver default */
	strncpy(wlc->autocountry_default, "X2", BRCM_CNTRY_BUF_SZ - 1);

	brcms_c_set_countrycode(wlc_cm, country_abbrev);

	return wlc_cm;
}

void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm)
{
	kfree(wlc_cm);
}

u8
brcms_c_channel_locale_flags_in_band(struct brcms_cm_info *wlc_cm,
				     uint bandunit)
{
	return wlc_cm->bandstate[bandunit].locale_flags;
}

static bool
brcms_c_quiet_chanspec(struct brcms_cm_info *wlc_cm, u16 chspec)
{
	return (wlc_cm->wlc->pub->_n_enab & SUPPORT_11N) &&
		CHSPEC_IS40(chspec) ?
		(isset(wlc_cm->quiet_channels.vec,
		       lower_20_sb(CHSPEC_CHANNEL(chspec))) ||
		 isset(wlc_cm->quiet_channels.vec,
		       upper_20_sb(CHSPEC_CHANNEL(chspec)))) :
		isset(wlc_cm->quiet_channels.vec, CHSPEC_CHANNEL(chspec));
}

void
brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
			 u8 local_constraint_qdbm)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	struct txpwr_limits txpwr;

	brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr);

	brcms_c_channel_min_txpower_limits_with_local_constraint(
		wlc_cm, &txpwr, local_constraint_qdbm
	);

	brcms_b_set_chanspec(wlc->hw, chanspec,
			      (brcms_c_quiet_chanspec(wlc_cm, chanspec) != 0),
			      &txpwr);
}

#ifdef POWER_DBG
static void wlc_phy_txpower_limits_dump(struct txpwr_limits *txpwr)
{
	int i;
	char buf[80];
	char fraction[4][4] = { "   ", ".25", ".5 ", ".75" };

	sprintf(buf, "CCK                ");
	for (i = 0; i < BRCMS_NUM_RATES_CCK; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->cck[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->cck[i] % BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz OFDM SISO   ");
	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->ofdm[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->ofdm[i] % BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz OFDM CDD    ");
	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->ofdm_cdd[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->ofdm_cdd[i] % BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz OFDM SISO   ");
	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->ofdm_40_siso[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->ofdm_40_siso[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz OFDM CDD    ");
	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->ofdm_40_cdd[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->ofdm_40_cdd[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz MCS0-7 SISO ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_20_siso[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_20_siso[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz MCS0-7 CDD  ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_20_cdd[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_20_cdd[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz MCS0-7 STBC ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_20_stbc[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_20_stbc[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "20 MHz MCS8-15 SDM ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_20_mimo[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_20_mimo[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz MCS0-7 SISO ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_40_siso[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_40_siso[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz MCS0-7 CDD  ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_40_cdd[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_40_cdd[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz MCS0-7 STBC ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_40_stbc[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_40_stbc[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	printk(KERN_DEBUG "%s\n", buf);

	sprintf(buf, "40 MHz MCS8-15 SDM ");
	for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++)
		sprintf(buf[strlen(buf)], " %2d%s",
			txpwr->mcs_40_mimo[i] / BRCMS_TXPWR_DB_FACTOR,
			fraction[txpwr->mcs_40_mimo[i] %
							BRCMS_TXPWR_DB_FACTOR]);
	}
	printk(KERN_DEBUG "%s\n", buf);

	printk(KERN_DEBUG "MCS32               %2d%s\n",
	       txpwr->mcs32 / BRCMS_TXPWR_DB_FACTOR,
	       fraction[txpwr->mcs32 % BRCMS_TXPWR_DB_FACTOR]);
}
#endif				/* POWER_DBG */

void
brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
		       struct txpwr_limits *txpwr)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	uint i;
	uint chan;
	int maxpwr;
	int delta;
	const struct country_info *country;
	struct brcms_band *band;
	const struct locale_info *li;
	int conducted_max = BRCMS_TXPWR_MAX;
	int conducted_ofdm_max = BRCMS_TXPWR_MAX;
	const struct locale_mimo_info *li_mimo;
	int maxpwr20, maxpwr40;
	int maxpwr_idx;
	uint j;

	memset(txpwr, 0, sizeof(struct txpwr_limits));

	if (!brcms_c_valid_chanspec_db(wlc_cm, chanspec)) {
		country = brcms_c_country_lookup(wlc, wlc->autocountry_default);
		if (country == NULL)
			return;
	} else {
		country = wlc_cm->country;
	}

	chan = CHSPEC_CHANNEL(chanspec);
	band = wlc->bandstate[chspec_bandunit(chanspec)];
	li = (band->bandtype == BRCM_BAND_5G) ?
	    brcms_c_get_locale_5g(country->locale_5G) :
	    brcms_c_get_locale_2g(country->locale_2G);

	li_mimo = (band->bandtype == BRCM_BAND_5G) ?
	    brcms_c_get_mimo_5g(country->locale_mimo_5G) :
	    brcms_c_get_mimo_2g(country->locale_mimo_2G);

	if (li->flags & BRCMS_EIRP) {
		delta = band->antgain;
	} else {
		delta = 0;
		if (band->antgain > QDB(6))
			delta = band->antgain - QDB(6);	/* Excess over 6 dB */
	}

	if (li == &locale_i) {
		conducted_max = QDB(22);
		conducted_ofdm_max = QDB(22);
	}

	/* CCK txpwr limits for 2.4G band */
	if (band->bandtype == BRCM_BAND_2G) {
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];

		maxpwr = maxpwr - delta;
		maxpwr = max(maxpwr, 0);
		maxpwr = min(maxpwr, conducted_max);

		for (i = 0; i < BRCMS_NUM_RATES_CCK; i++)
			txpwr->cck[i] = (u8) maxpwr;
	}

	/* OFDM txpwr limits for 2.4G or 5G bands */
	if (band->bandtype == BRCM_BAND_2G)
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
	else
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];

	maxpwr = maxpwr - delta;
	maxpwr = max(maxpwr, 0);
	maxpwr = min(maxpwr, conducted_ofdm_max);

	/* Keep OFDM lmit below CCK limit */
	if (band->bandtype == BRCM_BAND_2G)
		maxpwr = min_t(int, maxpwr, txpwr->cck[0]);

	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++)
		txpwr->ofdm[i] = (u8) maxpwr;

	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) {
		/*
		 * OFDM 40 MHz SISO has the same power as the corresponding
		 * MCS0-7 rate unless overriden by the locale specific code.
		 * We set this value to 0 as a flag (presumably 0 dBm isn't
		 * a possibility) and then copy the MCS0-7 value to the 40 MHz
		 * value if it wasn't explicitly set.
		 */
		txpwr->ofdm_40_siso[i] = 0;

		txpwr->ofdm_cdd[i] = (u8) maxpwr;

		txpwr->ofdm_40_cdd[i] = 0;
	}

	/* MIMO/HT specific limits */
	if (li_mimo->flags & BRCMS_EIRP) {
		delta = band->antgain;
	} else {
		delta = 0;
		if (band->antgain > QDB(6))
			delta = band->antgain - QDB(6);	/* Excess over 6 dB */
	}

	if (band->bandtype == BRCM_BAND_2G)
		maxpwr_idx = (chan - 1);
	else
		maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);

	maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
	maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];

	maxpwr20 = maxpwr20 - delta;
	maxpwr20 = max(maxpwr20, 0);
	maxpwr40 = maxpwr40 - delta;
	maxpwr40 = max(maxpwr40, 0);

	/* Fill in the MCS 0-7 (SISO) rates */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {

		/*
		 * 20 MHz has the same power as the corresponding OFDM rate
		 * unless overriden by the locale specific code.
		 */
		txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
		txpwr->mcs_40_siso[i] = 0;
	}

	/* Fill in the MCS 0-7 CDD rates */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
		txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
		txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
	}

	/*
	 * These locales have SISO expressed in the
	 * table and override CDD later
	 */
	if (li_mimo == &locale_bn) {
		if (li_mimo == &locale_bn) {
			maxpwr20 = QDB(16);
			maxpwr40 = 0;

			if (chan >= 3 && chan <= 11)
				maxpwr40 = QDB(16);
		}

		for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
			txpwr->mcs_20_siso[i] = (u8) maxpwr20;
			txpwr->mcs_40_siso[i] = (u8) maxpwr40;
		}
	}

	/* Fill in the MCS 0-7 STBC rates */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
		txpwr->mcs_20_stbc[i] = 0;
		txpwr->mcs_40_stbc[i] = 0;
	}

	/* Fill in the MCS 8-15 SDM rates */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) {
		txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
		txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
	}

	/* Fill in MCS32 */
	txpwr->mcs32 = (u8) maxpwr40;

	for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
		if (txpwr->ofdm_40_cdd[i] == 0)
			txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
		if (i == 0) {
			i = i + 1;
			if (txpwr->ofdm_40_cdd[i] == 0)
				txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
		}
	}

	/*
	 * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO
	 * value if it wasn't provided explicitly.
	 */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
		if (txpwr->mcs_40_siso[i] == 0)
			txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
	}

	for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
		if (txpwr->ofdm_40_siso[i] == 0)
			txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
		if (i == 0) {
			i = i + 1;
			if (txpwr->ofdm_40_siso[i] == 0)
				txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
		}
	}

	/*
	 * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding
	 * STBC values if they weren't provided explicitly.
	 */
	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
		if (txpwr->mcs_20_stbc[i] == 0)
			txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];

		if (txpwr->mcs_40_stbc[i] == 0)
			txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
	}

#ifdef POWER_DBG
	wlc_phy_txpower_limits_dump(txpwr);
#endif
	return;
}

/*
 * Verify the chanspec is using a legal set of parameters, i.e. that the
 * chanspec specified a band, bw, ctl_sb and channel and that the
 * combination could be legal given any set of circumstances.
 * RETURNS: true is the chanspec is malformed, false if it looks good.
 */
static bool brcms_c_chspec_malformed(u16 chanspec)
{
	/* must be 2G or 5G band */
	if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
		return true;
	/* must be 20 or 40 bandwidth */
	if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
		return true;

	/* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */
	if (CHSPEC_IS20(chanspec)) {
		if (!CHSPEC_SB_NONE(chanspec))
			return true;
	} else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) {
		return true;
	}

	return false;
}

/*
 * Validate the chanspec for this locale, for 40MHZ we need to also
 * check that the sidebands are valid 20MZH channels in this locale
 * and they are also a legal HT combination
 */
static bool
brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec,
			   bool dualband)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	u8 channel = CHSPEC_CHANNEL(chspec);

	/* check the chanspec */
	if (brcms_c_chspec_malformed(chspec)) {
		wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n",
			wlc->pub->unit, chspec);
		return false;
	}

	if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
	    chspec_bandunit(chspec))
		return false;

	/* Check a 20Mhz channel */
	if (CHSPEC_IS20(chspec)) {
		if (dualband)
			return brcms_c_valid_channel20_db(wlc_cm->wlc->cmi,
							  channel);
		else
			return brcms_c_valid_channel20(wlc_cm->wlc->cmi,
						       channel);
	}
#ifdef SUPPORT_40MHZ
	/*
	 * We know we are now checking a 40MHZ channel, so we should
	 * only be here for NPHYS
	 */
	if (BRCMS_ISNPHY(wlc->band) || BRCMS_ISSSLPNPHY(wlc->band)) {
		u8 upper_sideband = 0, idx;
		u8 num_ch20_entries =
		    sizeof(chan20_info) / sizeof(struct chan20_info);

		if (!VALID_40CHANSPEC_IN_BAND(wlc, chspec_bandunit(chspec)))
			return false;

		if (dualband) {
			if (!brcms_c_valid_channel20_db(wlc->cmi,
							lower_20_sb(channel)) ||
			    !brcms_c_valid_channel20_db(wlc->cmi,
							upper_20_sb(channel)))
				return false;
		} else {
			if (!brcms_c_valid_channel20(wlc->cmi,
						     lower_20_sb(channel)) ||
			    !brcms_c_valid_channel20(wlc->cmi,
						     upper_20_sb(channel)))
				return false;
		}

		/* find the lower sideband info in the sideband array */
		for (idx = 0; idx < num_ch20_entries; idx++) {
			if (chan20_info[idx].sb == lower_20_sb(channel))
				upper_sideband = chan20_info[idx].adj_sbs;
		}
		/* check that the lower sideband allows an upper sideband */
		if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
		    (CH_UPPER_SB | CH_EWA_VALID))
			return true;
		return false;
	}
#endif				/* 40 MHZ */

	return false;
}

bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec)
{
	return brcms_c_valid_chanspec_ext(wlc_cm, chspec, true);
}