summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
blob: 1eb1a802ed20d2a8744fa6496c4857c43a762046 (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
/*
 * (c) Copyright 2002-2010, Ralink Technology, Inc.
 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/etherdevice.h>

#include "mt76x0.h"
#include "mcu.h"
#include "eeprom.h"
#include "phy.h"
#include "initvals.h"
#include "initvals_phy.h"
#include "../mt76x02_phy.h"

static int
mt76x0_rf_csr_wr(struct mt76x02_dev *dev, u32 offset, u8 value)
{
	int ret = 0;
	u8 bank, reg;

	if (test_bit(MT76_REMOVED, &dev->mt76.state))
		return -ENODEV;

	bank = MT_RF_BANK(offset);
	reg = MT_RF_REG(offset);

	if (WARN_ON_ONCE(reg > 127) || WARN_ON_ONCE(bank > 8))
		return -EINVAL;

	mutex_lock(&dev->phy_mutex);

	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) {
		ret = -ETIMEDOUT;
		goto out;
	}

	mt76_wr(dev, MT_RF_CSR_CFG,
		FIELD_PREP(MT_RF_CSR_CFG_DATA, value) |
		FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
		FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
		MT_RF_CSR_CFG_WR |
		MT_RF_CSR_CFG_KICK);

out:
	mutex_unlock(&dev->phy_mutex);

	if (ret < 0)
		dev_err(dev->mt76.dev, "Error: RF write %d:%d failed:%d!!\n",
			bank, reg, ret);

	return ret;
}

static int mt76x0_rf_csr_rr(struct mt76x02_dev *dev, u32 offset)
{
	int ret = -ETIMEDOUT;
	u32 val;
	u8 bank, reg;

	if (test_bit(MT76_REMOVED, &dev->mt76.state))
		return -ENODEV;

	bank = MT_RF_BANK(offset);
	reg = MT_RF_REG(offset);

	if (WARN_ON_ONCE(reg > 127) || WARN_ON_ONCE(bank > 8))
		return -EINVAL;

	mutex_lock(&dev->phy_mutex);

	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100))
		goto out;

	mt76_wr(dev, MT_RF_CSR_CFG,
		FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
		FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
		MT_RF_CSR_CFG_KICK);

	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100))
		goto out;

	val = mt76_rr(dev, MT_RF_CSR_CFG);
	if (FIELD_GET(MT_RF_CSR_CFG_REG_ID, val) == reg &&
	    FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank)
		ret = FIELD_GET(MT_RF_CSR_CFG_DATA, val);

out:
	mutex_unlock(&dev->phy_mutex);

	if (ret < 0)
		dev_err(dev->mt76.dev, "Error: RF read %d:%d failed:%d!!\n",
			bank, reg, ret);

	return ret;
}

static int
mt76x0_rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val)
{
	if (mt76_is_usb(dev)) {
		struct mt76_reg_pair pair = {
			.reg = offset,
			.value = val,
		};

		WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING,
			     &dev->mt76.state));
		return mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1);
	} else {
		return mt76x0_rf_csr_wr(dev, offset, val);
	}
}

static int mt76x0_rf_rr(struct mt76x02_dev *dev, u32 offset)
{
	int ret;
	u32 val;

	if (mt76_is_usb(dev)) {
		struct mt76_reg_pair pair = {
			.reg = offset,
		};

		WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING,
			     &dev->mt76.state));
		ret = mt76_rd_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1);
		val = pair.value;
	} else {
		ret = val = mt76x0_rf_csr_rr(dev, offset);
	}

	return (ret < 0) ? ret : val;
}

static int
mt76x0_rf_rmw(struct mt76x02_dev *dev, u32 offset, u8 mask, u8 val)
{
	int ret;

	ret = mt76x0_rf_rr(dev, offset);
	if (ret < 0)
		return ret;

	val |= ret & ~mask;

	ret = mt76x0_rf_wr(dev, offset, val);
	return ret ? ret : val;
}

static int
mt76x0_rf_set(struct mt76x02_dev *dev, u32 offset, u8 val)
{
	return mt76x0_rf_rmw(dev, offset, 0, val);
}

static int
mt76x0_rf_clear(struct mt76x02_dev *dev, u32 offset, u8 mask)
{
	return mt76x0_rf_rmw(dev, offset, mask, 0);
}

static void
mt76x0_phy_rf_csr_wr_rp(struct mt76x02_dev *dev,
			const struct mt76_reg_pair *data,
			int n)
{
	while (n-- > 0) {
		mt76x0_rf_csr_wr(dev, data->reg, data->value);
		data++;
	}
}

#define RF_RANDOM_WRITE(dev, tab) do {					\
	if (mt76_is_mmio(dev))						\
		mt76x0_phy_rf_csr_wr_rp(dev, tab, ARRAY_SIZE(tab));	\
	else								\
		mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, tab, ARRAY_SIZE(tab));\
} while (0)

int mt76x0_phy_wait_bbp_ready(struct mt76x02_dev *dev)
{
	int i = 20;
	u32 val;

	do {
		val = mt76_rr(dev, MT_BBP(CORE, 0));
		if (val && ~val)
			break;
	} while (--i);

	if (!i) {
		dev_err(dev->mt76.dev, "Error: BBP is not ready\n");
		return -EIO;
	}

	dev_dbg(dev->mt76.dev, "BBP version %08x\n", val);
	return 0;
}

static void
mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band)
{
	switch (band) {
	case NL80211_BAND_2GHZ:
		RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab);

		mt76x0_rf_wr(dev, MT_RF(5, 0), 0x45);
		mt76x0_rf_wr(dev, MT_RF(6, 0), 0x44);

		mt76_wr(dev, MT_TX_ALC_VGA3, 0x00050007);
		mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x003E0002);
		break;
	case NL80211_BAND_5GHZ:
		RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab);

		mt76x0_rf_wr(dev, MT_RF(5, 0), 0x44);
		mt76x0_rf_wr(dev, MT_RF(6, 0), 0x45);

		mt76_wr(dev, MT_TX_ALC_VGA3, 0x00000005);
		mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x01010102);
		break;
	default:
		break;
	}
}

static void
mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_band)
{
	const struct mt76x0_freq_item *freq_item;
	u16 rf_band = rf_bw_band & 0xff00;
	u16 rf_bw = rf_bw_band & 0x00ff;
	enum nl80211_band band;
	bool b_sdm = false;
	u32 mac_reg;
	int i;

	for (i = 0; i < ARRAY_SIZE(mt76x0_sdm_channel); i++) {
		if (channel == mt76x0_sdm_channel[i]) {
			b_sdm = true;
			break;
		}
	}

	for (i = 0; i < ARRAY_SIZE(mt76x0_frequency_plan); i++) {
		if (channel == mt76x0_frequency_plan[i].channel) {
			rf_band = mt76x0_frequency_plan[i].band;

			if (b_sdm)
				freq_item = &(mt76x0_sdm_frequency_plan[i]);
			else
				freq_item = &(mt76x0_frequency_plan[i]);

			mt76x0_rf_wr(dev, MT_RF(0, 37), freq_item->pllR37);
			mt76x0_rf_wr(dev, MT_RF(0, 36), freq_item->pllR36);
			mt76x0_rf_wr(dev, MT_RF(0, 35), freq_item->pllR35);
			mt76x0_rf_wr(dev, MT_RF(0, 34), freq_item->pllR34);
			mt76x0_rf_wr(dev, MT_RF(0, 33), freq_item->pllR33);

			mt76x0_rf_rmw(dev, MT_RF(0, 32), 0xe0,
				      freq_item->pllR32_b7b5);

			/* R32<4:0> pll_den: (Denomina - 8) */
			mt76x0_rf_rmw(dev, MT_RF(0, 32), MT_RF_PLL_DEN_MASK,
				      freq_item->pllR32_b4b0);

			/* R31<7:5> */
			mt76x0_rf_rmw(dev, MT_RF(0, 31), 0xe0,
				      freq_item->pllR31_b7b5);

			/* R31<4:0> pll_k(Nominator) */
			mt76x0_rf_rmw(dev, MT_RF(0, 31), MT_RF_PLL_K_MASK,
				      freq_item->pllR31_b4b0);

			/* R30<7> sdm_reset_n */
			if (b_sdm) {
				mt76x0_rf_clear(dev, MT_RF(0, 30),
						MT_RF_SDM_RESET_MASK);
				mt76x0_rf_set(dev, MT_RF(0, 30),
					      MT_RF_SDM_RESET_MASK);
			} else {
				mt76x0_rf_rmw(dev, MT_RF(0, 30),
					      MT_RF_SDM_RESET_MASK,
					      freq_item->pllR30_b7);
			}

			/* R30<6:2> sdmmash_prbs,sin */
			mt76x0_rf_rmw(dev, MT_RF(0, 30),
				      MT_RF_SDM_MASH_PRBS_MASK,
				      freq_item->pllR30_b6b2);

			/* R30<1> sdm_bp */
			mt76x0_rf_rmw(dev, MT_RF(0, 30), MT_RF_SDM_BP_MASK,
				      freq_item->pllR30_b1 << 1);

			/* R30<0> R29<7:0> (hex) pll_n */
			mt76x0_rf_wr(dev, MT_RF(0, 29),
				     freq_item->pll_n & 0xff);

			mt76x0_rf_rmw(dev, MT_RF(0, 30), 0x1,
				      (freq_item->pll_n >> 8) & 0x1);

			/* R28<7:6> isi_iso */
			mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_ISI_ISO_MASK,
				      freq_item->pllR28_b7b6);

			/* R28<5:4> pfd_dly */
			mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_PFD_DLY_MASK,
				      freq_item->pllR28_b5b4);

			/* R28<3:2> clksel option */
			mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_CLK_SEL_MASK,
				      freq_item->pllR28_b3b2);

			/* R28<1:0> R27<7:0> R26<7:0> (hex) sdm_k */
			mt76x0_rf_wr(dev, MT_RF(0, 26),
				     freq_item->pll_sdm_k & 0xff);
			mt76x0_rf_wr(dev, MT_RF(0, 27),
				     (freq_item->pll_sdm_k >> 8) & 0xff);

			mt76x0_rf_rmw(dev, MT_RF(0, 28), 0x3,
				      (freq_item->pll_sdm_k >> 16) & 0x3);

			/* R24<1:0> xo_div */
			mt76x0_rf_rmw(dev, MT_RF(0, 24), MT_RF_XO_DIV_MASK,
				      freq_item->pllR24_b1b0);

			break;
		}
	}

	for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) {
		if (rf_bw == mt76x0_rf_bw_switch_tab[i].bw_band) {
			mt76x0_rf_wr(dev,
				     mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
				     mt76x0_rf_bw_switch_tab[i].value);
		} else if ((rf_bw == (mt76x0_rf_bw_switch_tab[i].bw_band & 0xFF)) &&
			   (rf_band & mt76x0_rf_bw_switch_tab[i].bw_band)) {
			mt76x0_rf_wr(dev,
				     mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
				     mt76x0_rf_bw_switch_tab[i].value);
		}
	}

	for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) {
		if (mt76x0_rf_band_switch_tab[i].bw_band & rf_band) {
			mt76x0_rf_wr(dev,
				     mt76x0_rf_band_switch_tab[i].rf_bank_reg,
				     mt76x0_rf_band_switch_tab[i].value);
		}
	}

	mt76_clear(dev, MT_RF_MISC, 0xc);

	band = (rf_band & RF_G_BAND) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
	if (mt76x02_ext_pa_enabled(dev, band)) {
		/*
			MT_RF_MISC (offset: 0x0518)
			[2]1'b1: enable external A band PA, 1'b0: disable external A band PA
			[3]1'b1: enable external G band PA, 1'b0: disable external G band PA
		*/
		if (rf_band & RF_A_BAND)
			mt76_set(dev, MT_RF_MISC, BIT(2));
		else
			mt76_set(dev, MT_RF_MISC, BIT(3));

		/* External PA */
		for (i = 0; i < ARRAY_SIZE(mt76x0_rf_ext_pa_tab); i++)
			if (mt76x0_rf_ext_pa_tab[i].bw_band & rf_band)
				mt76x0_rf_wr(dev,
					mt76x0_rf_ext_pa_tab[i].rf_bank_reg,
					mt76x0_rf_ext_pa_tab[i].value);
	}

	if (rf_band & RF_G_BAND) {
		mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x63707400);
		/* Set Atten mode = 2 For G band, Disable Tx Inc dcoc. */
		mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1);
		mac_reg &= 0x896400FF;
		mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg);
	} else {
		mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x686A7800);
		/* Set Atten mode = 0 For Ext A band, Disable Tx Inc dcoc Cal. */
		mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1);
		mac_reg &= 0x890400FF;
		mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg);
	}
}

static void
mt76x0_phy_set_chan_bbp_params(struct mt76x02_dev *dev, u16 rf_bw_band)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(mt76x0_bbp_switch_tab); i++) {
		const struct mt76x0_bbp_switch_item *item = &mt76x0_bbp_switch_tab[i];
		const struct mt76_reg_pair *pair = &item->reg_pair;

		if ((rf_bw_band & item->bw_band) != rf_bw_band)
			continue;

		if (pair->reg == MT_BBP(AGC, 8)) {
			u32 val = pair->value;
			u8 gain;

			gain = FIELD_GET(MT_BBP_AGC_GAIN, val);
			gain -= dev->cal.rx.lna_gain * 2;
			val &= ~MT_BBP_AGC_GAIN;
			val |= FIELD_PREP(MT_BBP_AGC_GAIN, gain);
			mt76_wr(dev, pair->reg, val);
		} else {
			mt76_wr(dev, pair->reg, pair->value);
		}
	}
}

static void mt76x0_phy_ant_select(struct mt76x02_dev *dev)
{
	u16 ee_ant = mt76x02_eeprom_get(dev, MT_EE_ANTENNA);
	u16 nic_conf2 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_2);
	u32 wlan, coex3, cmb;
	bool ant_div;

	wlan = mt76_rr(dev, MT_WLAN_FUN_CTRL);
	cmb = mt76_rr(dev, MT_CMB_CTRL);
	coex3 = mt76_rr(dev, MT_COEXCFG3);

	cmb   &= ~(BIT(14) | BIT(12));
	wlan  &= ~(BIT(6) | BIT(5));
	coex3 &= ~GENMASK(5, 2);

	if (ee_ant & MT_EE_ANTENNA_DUAL) {
		/* dual antenna mode */
		ant_div = !(nic_conf2 & MT_EE_NIC_CONF_2_ANT_OPT) &&
			  (nic_conf2 & MT_EE_NIC_CONF_2_ANT_DIV);
		if (ant_div)
			cmb |= BIT(12);
		else
			coex3 |= BIT(4);
		coex3 |= BIT(3);
		if (dev->mt76.cap.has_2ghz)
			wlan |= BIT(6);
	} else {
		/* sigle antenna mode */
		if (dev->mt76.cap.has_5ghz) {
			coex3 |= BIT(3) | BIT(4);
		} else {
			wlan |= BIT(6);
			coex3 |= BIT(1);
		}
	}

	if (is_mt7630(dev))
		cmb |= BIT(14) | BIT(11);

	mt76_wr(dev, MT_WLAN_FUN_CTRL, wlan);
	mt76_wr(dev, MT_CMB_CTRL, cmb);
	mt76_clear(dev, MT_COEXCFG0, BIT(2));
	mt76_wr(dev, MT_COEXCFG3, coex3);
}

static void
mt76x0_phy_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width)
{
	enum { BW_20 = 0, BW_40 = 1, BW_80 = 2, BW_10 = 4};
	int bw;

	switch (width) {
	default:
	case NL80211_CHAN_WIDTH_20_NOHT:
	case NL80211_CHAN_WIDTH_20:
		bw = BW_20;
		break;
	case NL80211_CHAN_WIDTH_40:
		bw = BW_40;
		break;
	case NL80211_CHAN_WIDTH_80:
		bw = BW_80;
		break;
	case NL80211_CHAN_WIDTH_10:
		bw = BW_10;
		break;
	case NL80211_CHAN_WIDTH_80P80:
	case NL80211_CHAN_WIDTH_160:
	case NL80211_CHAN_WIDTH_5:
		/* TODO error */
		return ;
	}

	mt76x02_mcu_function_select(dev, BW_SETTING, bw);
}

static void mt76x0_phy_tssi_dc_calibrate(struct mt76x02_dev *dev)
{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	u32 val;

	if (chan->band == NL80211_BAND_5GHZ)
		mt76x0_rf_clear(dev, MT_RF(0, 67), 0xf);

	/* bypass ADDA control */
	mt76_wr(dev, MT_RF_SETTING_0, 0x60002237);
	mt76_wr(dev, MT_RF_BYPASS_0, 0xffffffff);

	/* bbp sw reset */
	mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
	usleep_range(500, 1000);
	mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));

	val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050;
	mt76_wr(dev, MT_BBP(CORE, 34), val);

	/* enable TX with DAC0 input */
	mt76_wr(dev, MT_BBP(TXBE, 6), BIT(31));

	mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200);
	dev->cal.tssi_dc = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;

	/* stop bypass ADDA */
	mt76_wr(dev, MT_RF_BYPASS_0, 0);
	/* stop TX */
	mt76_wr(dev, MT_BBP(TXBE, 6), 0);
	/* bbp sw reset */
	mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
	usleep_range(500, 1000);
	mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));

	if (chan->band == NL80211_BAND_5GHZ)
		mt76x0_rf_rmw(dev, MT_RF(0, 67), 0xf, 0x4);
}

static int
mt76x0_phy_tssi_adc_calibrate(struct mt76x02_dev *dev, s16 *ltssi,
			      u8 *info)
{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	u32 val;

	val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050;
	mt76_wr(dev, MT_BBP(CORE, 34), val);

	if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) {
		mt76_clear(dev, MT_BBP(CORE, 34), BIT(4));
		return -ETIMEDOUT;
	}

	*ltssi = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
	if (chan->band == NL80211_BAND_5GHZ)
		*ltssi += 128;

	/* set packet info#1 mode */
	mt76_wr(dev, MT_BBP(CORE, 34), 0x80041);
	info[0] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;

	/* set packet info#2 mode */
	mt76_wr(dev, MT_BBP(CORE, 34), 0x80042);
	info[1] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;

	/* set packet info#3 mode */
	mt76_wr(dev, MT_BBP(CORE, 34), 0x80043);
	info[2] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;

	return 0;
}

static u8 mt76x0_phy_get_rf_pa_mode(struct mt76x02_dev *dev,
				    int index, u8 tx_rate)
{
	u32 val, reg;

	reg = (index == 1) ? MT_RF_PA_MODE_CFG1 : MT_RF_PA_MODE_CFG0;
	val = mt76_rr(dev, reg);
	return (val & (3 << (tx_rate * 2))) >> (tx_rate * 2);
}

static int
mt76x0_phy_get_target_power(struct mt76x02_dev *dev, u8 tx_mode,
			    u8 *info, s8 *target_power,
			    s8 *target_pa_power)
{
	u8 tx_rate, cur_power;

	cur_power = mt76_rr(dev, MT_TX_ALC_CFG_0) & MT_TX_ALC_CFG_0_CH_INIT_0;
	switch (tx_mode) {
	case 0:
		/* cck rates */
		tx_rate = (info[0] & 0x60) >> 5;
		if (tx_rate > 3)
			return -EINVAL;

		*target_power = cur_power + dev->mt76.rate_power.cck[tx_rate];
		*target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, tx_rate);
		break;
	case 1: {
		u8 index;

		/* ofdm rates */
		tx_rate = (info[0] & 0xf0) >> 4;
		switch (tx_rate) {
		case 0xb:
			index = 0;
			break;
		case 0xf:
			index = 1;
			break;
		case 0xa:
			index = 2;
			break;
		case 0xe:
			index = 3;
			break;
		case 0x9:
			index = 4;
			break;
		case 0xd:
			index = 5;
			break;
		case 0x8:
			index = 6;
			break;
		case 0xc:
			index = 7;
			break;
		default:
			return -EINVAL;
		}

		*target_power = cur_power + dev->mt76.rate_power.ofdm[index];
		*target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, index + 4);
		break;
	}
	case 4:
		/* vht rates */
		tx_rate = info[1] & 0xf;
		if (tx_rate > 9)
			return -EINVAL;

		*target_power = cur_power + dev->mt76.rate_power.vht[tx_rate];
		*target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate);
		break;
	default:
		/* ht rates */
		tx_rate = info[1] & 0x7f;
		if (tx_rate > 9)
			return -EINVAL;

		*target_power = cur_power + dev->mt76.rate_power.ht[tx_rate];
		*target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate);
		break;
	}

	return 0;
}

static s16 mt76x0_phy_lin2db(u16 val)
{
	u32 mantissa = val << 4;
	int ret, data;
	s16 exp = -4;

	while (mantissa < BIT(15)) {
		mantissa <<= 1;
		if (--exp < -20)
			return -10000;
	}
	while (mantissa > 0xffff) {
		mantissa >>= 1;
		if (++exp > 20)
			return -10000;
	}

	/* s(15,0) */
	if (mantissa <= 47104)
		data = mantissa + (mantissa >> 3) + (mantissa >> 4) - 38400;
	else
		data = mantissa - (mantissa >> 3) - (mantissa >> 6) - 23040;
	data = max_t(int, 0, data);

	ret = ((15 + exp) << 15) + data;
	ret = (ret << 2) + (ret << 1) + (ret >> 6) + (ret >> 7);
	return ret >> 10;
}

static int
mt76x0_phy_get_delta_power(struct mt76x02_dev *dev, u8 tx_mode,
			   s8 target_power, s8 target_pa_power,
			   s16 ltssi)
{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	int tssi_target = target_power << 12, tssi_slope;
	int tssi_offset, tssi_db, ret;
	u32 data;
	u16 val;

	if (chan->band == NL80211_BAND_5GHZ) {
		u8 bound[7];
		int i, err;

		err = mt76x02_eeprom_copy(dev, MT_EE_TSSI_BOUND1, bound,
					  sizeof(bound));
		if (err < 0)
			return err;

		for (i = 0; i < ARRAY_SIZE(bound); i++) {
			if (chan->hw_value <= bound[i] || !bound[i])
				break;
		}
		val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_5G + i * 2);

		tssi_offset = val >> 8;
		if ((tssi_offset >= 64 && tssi_offset <= 127) ||
		    (tssi_offset & BIT(7)))
			tssi_offset -= BIT(8);
	} else {
		val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_2G);

		tssi_offset = val >> 8;
		if (tssi_offset & BIT(7))
			tssi_offset -= BIT(8);
	}
	tssi_slope = val & 0xff;

	switch (target_pa_power) {
	case 1:
		if (chan->band == NL80211_BAND_2GHZ)
			tssi_target += 29491; /* 3.6 * 8192 */
		/* fall through */
	case 0:
		break;
	default:
		tssi_target += 4424; /* 0.54 * 8192 */
		break;
	}

	if (!tx_mode) {
		data = mt76_rr(dev, MT_BBP(CORE, 1));
		if (is_mt7630(dev) && mt76_is_mmio(dev)) {
			int offset;

			/* 2.3 * 8192 or 1.5 * 8192 */
			offset = (data & BIT(5)) ? 18841 : 12288;
			tssi_target += offset;
		} else if (data & BIT(5)) {
			/* 0.8 * 8192 */
			tssi_target += 6554;
		}
	}

	data = mt76_rr(dev, MT_BBP(TXBE, 4));
	switch (data & 0x3) {
	case 1:
		tssi_target -= 49152; /* -6db * 8192 */
		break;
	case 2:
		tssi_target -= 98304; /* -12db * 8192 */
		break;
	case 3:
		tssi_target += 49152; /* 6db * 8192 */
		break;
	default:
		break;
	}

	tssi_db = mt76x0_phy_lin2db(ltssi - dev->cal.tssi_dc) * tssi_slope;
	if (chan->band == NL80211_BAND_5GHZ) {
		tssi_db += ((tssi_offset - 50) << 10); /* offset s4.3 */
		tssi_target -= tssi_db;
		if (ltssi > 254 && tssi_target > 0) {
			/* upper saturate */
			tssi_target = 0;
		}
	} else {
		tssi_db += (tssi_offset << 9); /* offset s3.4 */
		tssi_target -= tssi_db;
		/* upper-lower saturate */
		if ((ltssi > 126 && tssi_target > 0) ||
		    ((ltssi - dev->cal.tssi_dc) < 1 && tssi_target < 0)) {
			tssi_target = 0;
		}
	}

	if ((dev->cal.tssi_target ^ tssi_target) < 0 &&
	    dev->cal.tssi_target > -4096 && dev->cal.tssi_target < 4096 &&
	    tssi_target > -4096 && tssi_target < 4096) {
		if ((tssi_target < 0 &&
		     tssi_target + dev->cal.tssi_target > 0) ||
		    (tssi_target > 0 &&
		     tssi_target + dev->cal.tssi_target <= 0))
			tssi_target = 0;
		else
			dev->cal.tssi_target = tssi_target;
	} else {
		dev->cal.tssi_target = tssi_target;
	}

	/* make the compensate value to the nearest compensate code */
	if (tssi_target > 0)
		tssi_target += 2048;
	else
		tssi_target -= 2048;
	tssi_target >>= 12;

	ret = mt76_get_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP);
	if (ret & BIT(5))
		ret -= BIT(6);
	ret += tssi_target;

	ret = min_t(int, 31, ret);
	return max_t(int, -32, ret);
}

static void mt76x0_phy_tssi_calibrate(struct mt76x02_dev *dev)
{
	s8 target_power, target_pa_power;
	u8 tssi_info[3], tx_mode;
	s16 ltssi;
	s8 val;

	if (mt76x0_phy_tssi_adc_calibrate(dev, &ltssi, tssi_info) < 0)
		return;

	tx_mode = tssi_info[0] & 0x7;
	if (mt76x0_phy_get_target_power(dev, tx_mode, tssi_info,
					&target_power, &target_pa_power) < 0)
		return;

	val = mt76x0_phy_get_delta_power(dev, tx_mode, target_power,
					 target_pa_power, ltssi);
	mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP, val);
}

void mt76x0_phy_set_txpower(struct mt76x02_dev *dev)
{
	struct mt76_rate_power *t = &dev->mt76.rate_power;
	u8 info[2];

	mt76x0_get_tx_power_per_rate(dev);
	mt76x0_get_power_info(dev, info);

	mt76x02_add_rate_power_offset(t, info[0]);
	mt76x02_limit_rate_power(t, dev->mt76.txpower_conf);
	dev->mt76.txpower_cur = mt76x02_get_max_rate_power(t);
	mt76x02_add_rate_power_offset(t, -info[0]);

	mt76x02_phy_set_txpower(dev, info[0], info[1]);
}

void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	int is_5ghz = (chan->band == NL80211_BAND_5GHZ) ? 1 : 0;
	u32 val, tx_alc, reg_val;

	if (is_mt7630(dev))
		return;

	if (power_on) {
		mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0);
		mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, chan->hw_value);
		usleep_range(10, 20);

		if (mt76x0_tssi_enabled(dev)) {
			mt76_wr(dev, MT_MAC_SYS_CTRL,
				MT_MAC_SYS_CTRL_ENABLE_RX);
			mt76x0_phy_tssi_dc_calibrate(dev);
			mt76_wr(dev, MT_MAC_SYS_CTRL,
				MT_MAC_SYS_CTRL_ENABLE_TX |
				MT_MAC_SYS_CTRL_ENABLE_RX);
		}
	}

	tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0);
	mt76_wr(dev, MT_TX_ALC_CFG_0, 0);
	usleep_range(500, 700);

	reg_val = mt76_rr(dev, MT_BBP(IBI, 9));
	mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e);

	if (is_5ghz) {
		if (chan->hw_value < 100)
			val = 0x701;
		else if (chan->hw_value < 140)
			val = 0x801;
		else
			val = 0x901;
	} else {
		val = 0x600;
	}

	mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val);
	msleep(350);
	mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz);
	usleep_range(15000, 20000);

	mt76_wr(dev, MT_BBP(IBI, 9), reg_val);
	mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc);
	mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1);
}
EXPORT_SYMBOL_GPL(mt76x0_phy_calibrate);

int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
			   struct cfg80211_chan_def *chandef)
{
	u32 ext_cca_chan[4] = {
		[0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)),
		[1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)),
		[2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)),
		[3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)),
	};
	bool scan = test_bit(MT76_SCANNING, &dev->mt76.state);
	int ch_group_index, freq, freq1;
	u8 channel;
	u32 val;
	u16 rf_bw_band;

	freq = chandef->chan->center_freq;
	freq1 = chandef->center_freq1;
	channel = chandef->chan->hw_value;
	rf_bw_band = (channel <= 14) ? RF_G_BAND : RF_A_BAND;
	dev->mt76.chandef = *chandef;

	switch (chandef->width) {
	case NL80211_CHAN_WIDTH_40:
		if (freq1 > freq)
			ch_group_index = 0;
		else
			ch_group_index = 1;
		channel += 2 - ch_group_index * 4;
		rf_bw_band |= RF_BW_40;
		break;
	case NL80211_CHAN_WIDTH_80:
		ch_group_index = (freq - freq1 + 30) / 20;
		if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
			ch_group_index = 0;
		channel += 6 - ch_group_index * 4;
		rf_bw_band |= RF_BW_80;
		break;
	default:
		ch_group_index = 0;
		rf_bw_band |= RF_BW_20;
		break;
	}

	if (mt76_is_usb(dev)) {
		mt76x0_phy_bbp_set_bw(dev, chandef->width);
	} else {
		if (chandef->width == NL80211_CHAN_WIDTH_80 ||
		    chandef->width == NL80211_CHAN_WIDTH_40)
			val = 0x201;
		else
			val = 0x601;
		mt76_wr(dev, MT_TX_SW_CFG0, val);
	}
	mt76x02_phy_set_bw(dev, chandef->width, ch_group_index);
	mt76x02_phy_set_band(dev, chandef->chan->band,
			     ch_group_index & 1);

	mt76_rmw(dev, MT_EXT_CCA_CFG,
		 (MT_EXT_CCA_CFG_CCA0 |
		  MT_EXT_CCA_CFG_CCA1 |
		  MT_EXT_CCA_CFG_CCA2 |
		  MT_EXT_CCA_CFG_CCA3 |
		  MT_EXT_CCA_CFG_CCA_MASK),
		 ext_cca_chan[ch_group_index]);

	mt76x0_phy_set_band(dev, chandef->chan->band);
	mt76x0_phy_set_chan_rf_params(dev, channel, rf_bw_band);

	/* set Japan Tx filter at channel 14 */
	if (channel == 14)
		mt76_set(dev, MT_BBP(CORE, 1), 0x20);
	else
		mt76_clear(dev, MT_BBP(CORE, 1), 0x20);

	mt76x0_read_rx_gain(dev);
	mt76x0_phy_set_chan_bbp_params(dev, rf_bw_band);

	/* enable vco */
	mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7));
	if (scan)
		return 0;

	mt76x02_init_agc_gain(dev);
	mt76x0_phy_calibrate(dev, false);
	mt76x0_phy_set_txpower(dev);

	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
				     MT_CALIBRATE_INTERVAL);

	return 0;
}

static void mt76x0_phy_temp_sensor(struct mt76x02_dev *dev)
{
	u8 rf_b7_73, rf_b0_66, rf_b0_67;
	s8 val;

	rf_b7_73 = mt76x0_rf_rr(dev, MT_RF(7, 73));
	rf_b0_66 = mt76x0_rf_rr(dev, MT_RF(0, 66));
	rf_b0_67 = mt76x0_rf_rr(dev, MT_RF(0, 67));

	mt76x0_rf_wr(dev, MT_RF(7, 73), 0x02);
	mt76x0_rf_wr(dev, MT_RF(0, 66), 0x23);
	mt76x0_rf_wr(dev, MT_RF(0, 67), 0x01);

	mt76_wr(dev, MT_BBP(CORE, 34), 0x00080055);
	if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) {
		mt76_clear(dev, MT_BBP(CORE, 34), BIT(4));
		goto done;
	}

	val = mt76_rr(dev, MT_BBP(CORE, 35));
	val = (35 * (val - dev->cal.rx.temp_offset)) / 10 + 25;

	if (abs(val - dev->cal.temp_vco) > 20) {
		mt76x02_mcu_calibrate(dev, MCU_CAL_VCO,
				      dev->mt76.chandef.chan->hw_value);
		dev->cal.temp_vco = val;
	}
	if (abs(val - dev->cal.temp) > 30) {
		mt76x0_phy_calibrate(dev, false);
		dev->cal.temp = val;
	}

done:
	mt76x0_rf_wr(dev, MT_RF(7, 73), rf_b7_73);
	mt76x0_rf_wr(dev, MT_RF(0, 66), rf_b0_66);
	mt76x0_rf_wr(dev, MT_RF(0, 67), rf_b0_67);
}

static void mt76x0_phy_set_gain_val(struct mt76x02_dev *dev)
{
	u8 gain = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust;

	mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, gain);

	if ((dev->mt76.chandef.chan->flags & IEEE80211_CHAN_RADAR) &&
	    !is_mt7630(dev))
		mt76x02_phy_dfs_adjust_agc(dev);
}

static void
mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev)
{
	bool gain_change;
	u8 gain_delta;
	int low_gain;

	dev->cal.avg_rssi_all = mt76x02_phy_get_min_avg_rssi(dev);

	low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) +
		   (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev));

	gain_change = dev->cal.low_gain < 0 ||
		      (dev->cal.low_gain & 2) ^ (low_gain & 2);
	dev->cal.low_gain = low_gain;

	if (!gain_change) {
		if (mt76x02_phy_adjust_vga_gain(dev))
			mt76x0_phy_set_gain_val(dev);
		return;
	}

	dev->cal.agc_gain_adjust = (low_gain == 2) ? 0 : 10;
	gain_delta = (low_gain == 2) ? 10 : 0;

	dev->cal.agc_gain_cur[0] = dev->cal.agc_gain_init[0] - gain_delta;
	mt76x0_phy_set_gain_val(dev);

	/* clear false CCA counters */
	mt76_rr(dev, MT_RX_STAT_1);
}

static void mt76x0_phy_calibration_work(struct work_struct *work)
{
	struct mt76x02_dev *dev = container_of(work, struct mt76x02_dev,
					       cal_work.work);

	mt76x0_phy_update_channel_gain(dev);
	if (mt76x0_tssi_enabled(dev))
		mt76x0_phy_tssi_calibrate(dev);
	else
		mt76x0_phy_temp_sensor(dev);

	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
				     4 * MT_CALIBRATE_INTERVAL);
}

static void mt76x0_rf_patch_reg_array(struct mt76x02_dev *dev,
				      const struct mt76_reg_pair *rp, int len)
{
	int i;

	for (i = 0; i < len; i++) {
		u32 reg = rp[i].reg;
		u8 val = rp[i].value;

		switch (reg) {
		case MT_RF(0, 3):
			if (mt76_is_mmio(dev)) {
				if (is_mt7630(dev))
					val = 0x70;
				else
					val = 0x63;
			} else {
				val = 0x73;
			}
			break;
		case MT_RF(0, 21):
			if (is_mt7610e(dev))
				val = 0x10;
			else
				val = 0x12;
			break;
		case MT_RF(5, 2):
			if (is_mt7630(dev))
				val = 0x1d;
			else if (is_mt7610e(dev))
				val = 0x00;
			else
				val = 0x0c;
			break;
		default:
			break;
		}
		mt76x0_rf_wr(dev, reg, val);
	}
}

static void mt76x0_phy_rf_init(struct mt76x02_dev *dev)
{
	int i;
	u8 val;

	mt76x0_rf_patch_reg_array(dev, mt76x0_rf_central_tab,
				  ARRAY_SIZE(mt76x0_rf_central_tab));
	mt76x0_rf_patch_reg_array(dev, mt76x0_rf_2g_channel_0_tab,
				  ARRAY_SIZE(mt76x0_rf_2g_channel_0_tab));
	RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab);
	RF_RANDOM_WRITE(dev, mt76x0_rf_vga_channel_0_tab);

	for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) {
		const struct mt76x0_rf_switch_item *item = &mt76x0_rf_bw_switch_tab[i];

		if (item->bw_band == RF_BW_20)
			mt76x0_rf_wr(dev, item->rf_bank_reg, item->value);
		else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20))
			mt76x0_rf_wr(dev, item->rf_bank_reg, item->value);
	}

	for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) {
		if (mt76x0_rf_band_switch_tab[i].bw_band & RF_G_BAND) {
			mt76x0_rf_wr(dev,
				     mt76x0_rf_band_switch_tab[i].rf_bank_reg,
				     mt76x0_rf_band_switch_tab[i].value);
		}
	}

	/*
	   Frequency calibration
	   E1: B0.R22<6:0>: xo_cxo<6:0>
	   E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1>
	 */
	mt76x0_rf_wr(dev, MT_RF(0, 22),
		     min_t(u8, dev->cal.rx.freq_offset, 0xbf));
	val = mt76x0_rf_rr(dev, MT_RF(0, 22));

	/* Reset procedure DAC during power-up:
	 * - set B0.R73<7>
	 * - clear B0.R73<7>
	 * - set B0.R73<7>
	 */
	mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7));
	mt76x0_rf_clear(dev, MT_RF(0, 73), BIT(7));
	mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7));

	/* vcocal_en: initiate VCO calibration (reset after completion)) */
	mt76x0_rf_set(dev, MT_RF(0, 4), 0x80);
}

void mt76x0_phy_init(struct mt76x02_dev *dev)
{
	INIT_DELAYED_WORK(&dev->cal_work, mt76x0_phy_calibration_work);

	mt76x0_phy_ant_select(dev);
	mt76x0_phy_rf_init(dev);
	mt76x02_phy_set_rxpath(dev);
	mt76x02_phy_set_txdac(dev);
}