summaryrefslogtreecommitdiff
path: root/drivers/staging/vt6656/card.c
blob: 7958fc165462fd0b951183e8b2a5bb481a113389 (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
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * File: card.c
 * Purpose: Provide functions to setup NIC operation mode
 * Functions:
 *      vnt_set_rspinf - Set RSPINF
 *      vnt_update_ifs - Update slotTime,SIFS,DIFS, and EIFS
 *      vnt_update_top_rates - Update BasicTopRate
 *      vnt_add_basic_rate - Add to BasicRateSet
 *      vnt_ofdm_min_rate - Check if any OFDM rate is in BasicRateSet
 *      vnt_get_tsf_offset - Calculate TSFOffset
 *      vnt_get_current_tsf - Read Current NIC TSF counter
 *      vnt_get_next_tbtt - Calculate Next Beacon TSF counter
 *      vnt_reset_next_tbtt - Set NIC Beacon time
 *      vnt_update_next_tbtt - Sync. NIC Beacon time
 *      vnt_radio_power_off - Turn Off NIC Radio Power
 *      vnt_radio_power_on - Turn On NIC Radio Power
 *
 * Revision History:
 *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
 *      08-26-2003 Kyle Hsu:      Modify the definition type of dwIoBase.
 *      09-01-2003 Bryan YC Fan:  Add vnt_update_ifs().
 *
 */

#include "device.h"
#include "card.h"
#include "baseband.h"
#include "mac.h"
#include "desc.h"
#include "rf.h"
#include "power.h"
#include "key.h"
#include "usbpipe.h"

/* const u16 cw_rxbcntsf_off[MAX_RATE] =
 *   {17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3};
 */

static const u16 cw_rxbcntsf_off[MAX_RATE] = {
	192, 96, 34, 17, 34, 23, 17, 11, 8, 5, 4, 3
};

/*
 * Description: Set NIC media channel
 *
 * Parameters:
 *  In:
 *      pDevice             - The adapter to be set
 *      connection_channel  - Channel to be set
 *  Out:
 *      none
 */
void vnt_set_channel(struct vnt_private *priv, u32 connection_channel)
{
	if (connection_channel > CB_MAX_CHANNEL || !connection_channel)
		return;

	/* clear NAV */
	vnt_mac_reg_bits_on(priv, MAC_REG_MACCR, MACCR_CLRNAV);

	/* Set Channel[7] = 0 to tell H/W channel is changing now. */
	vnt_mac_reg_bits_off(priv, MAC_REG_CHANNEL, 0xb0);

	vnt_control_out(priv, MESSAGE_TYPE_SELECT_CHANNEL,
			connection_channel, 0, 0, NULL);

	vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_CHANNEL,
			   (u8)(connection_channel | 0x80));
}

/*
 * Description: Get CCK mode basic rate
 *
 * Parameters:
 *  In:
 *      priv		- The adapter to be set
 *      rate_idx	- Receiving data rate
 *  Out:
 *      none
 *
 * Return Value: response Control frame rate
 *
 */
static u16 vnt_get_cck_rate(struct vnt_private *priv, u16 rate_idx)
{
	u16 ui = rate_idx;

	while (ui > RATE_1M) {
		if (priv->basic_rates & (1 << ui))
			return ui;
		ui--;
	}

	return RATE_1M;
}

/*
 * Description: Get OFDM mode basic rate
 *
 * Parameters:
 *  In:
 *      priv		- The adapter to be set
 *      rate_idx	- Receiving data rate
 *  Out:
 *      none
 *
 * Return Value: response Control frame rate
 *
 */
static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx)
{
	u16 ui = rate_idx;

	dev_dbg(&priv->usb->dev, "%s basic rate: %d\n",
		__func__,  priv->basic_rates);

	if (!vnt_ofdm_min_rate(priv)) {
		dev_dbg(&priv->usb->dev, "%s (NO OFDM) %d\n",
			__func__, rate_idx);
		if (rate_idx > RATE_24M)
			rate_idx = RATE_24M;
		return rate_idx;
	}

	while (ui > RATE_11M) {
		if (priv->basic_rates & (1 << ui)) {
			dev_dbg(&priv->usb->dev, "%s rate: %d\n",
				__func__, ui);
			return ui;
		}
		ui--;
	}

	dev_dbg(&priv->usb->dev, "%s basic rate: 24M\n", __func__);

	return RATE_24M;
}

/*
 * Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
 *
 * Parameters:
 * In:
 *	rate	- Tx Rate
 *	bb_type	- Tx Packet type
 * Out:
 *	tx_rate	- pointer to RSPINF TxRate field
 *	rsv_time- pointer to RSPINF RsvTime field
 *
 * Return Value: none
 *
 */
static void vnt_calculate_ofdm_rate(u16 rate, u8 bb_type,
				    u8 *tx_rate, u8 *rsv_time)
{
	switch (rate) {
	case RATE_6M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9b;
			*rsv_time = 24;
		} else {
			*tx_rate = 0x8b;
			*rsv_time = 30;
		}
		break;
	case RATE_9M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9f;
			*rsv_time = 16;
		} else {
			*tx_rate = 0x8f;
			*rsv_time = 22;
		}
		break;
	case RATE_12M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9a;
			*rsv_time = 12;
		} else {
			*tx_rate = 0x8a;
			*rsv_time = 18;
		}
		break;
	case RATE_18M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9e;
			*rsv_time = 8;
		} else {
			*tx_rate = 0x8e;
			*rsv_time = 14;
		}
		break;
	case RATE_36M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9d;
			*rsv_time = 4;
		} else {
			*tx_rate = 0x8d;
			*rsv_time = 10;
		}
		break;
	case RATE_48M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x98;
			*rsv_time = 4;
		} else {
			*tx_rate = 0x88;
			*rsv_time = 10;
		}
		break;
	case RATE_54M:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x9c;
			*rsv_time = 4;
		} else {
			*tx_rate = 0x8c;
			*rsv_time = 10;
		}
		break;
	case RATE_24M:
	default:
		if (bb_type == BB_TYPE_11A) {
			*tx_rate = 0x99;
			*rsv_time = 8;
		} else {
			*tx_rate = 0x89;
			*rsv_time = 14;
		}
		break;
	}
}

/*
 * Description: Set RSPINF
 *
 * Parameters:
 *  In:
 *      pDevice             - The adapter to be set
 *  Out:
 *      none
 *
 * Return Value: None.
 *
 */

void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type)
{
	struct vnt_phy_field phy[4];
	u8 tx_rate[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; /* For OFDM */
	u8 rsv_time[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
	u8 data[34];
	int i;

	/*RSPINF_b_1*/
	vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_1M),
			  PK_TYPE_11B, &phy[0]);

	/*RSPINF_b_2*/
	vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_2M),
			  PK_TYPE_11B, &phy[1]);

	/*RSPINF_b_5*/
	vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_5M),
			  PK_TYPE_11B, &phy[2]);

	/*RSPINF_b_11*/
	vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_11M),
			  PK_TYPE_11B, &phy[3]);

	/*RSPINF_a_6*/
	vnt_calculate_ofdm_rate(RATE_6M, bb_type, &tx_rate[0], &rsv_time[0]);

	/*RSPINF_a_9*/
	vnt_calculate_ofdm_rate(RATE_9M, bb_type, &tx_rate[1], &rsv_time[1]);

	/*RSPINF_a_12*/
	vnt_calculate_ofdm_rate(RATE_12M, bb_type, &tx_rate[2], &rsv_time[2]);

	/*RSPINF_a_18*/
	vnt_calculate_ofdm_rate(RATE_18M, bb_type, &tx_rate[3], &rsv_time[3]);

	/*RSPINF_a_24*/
	vnt_calculate_ofdm_rate(RATE_24M, bb_type, &tx_rate[4], &rsv_time[4]);

	/*RSPINF_a_36*/
	vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_36M),
				bb_type, &tx_rate[5], &rsv_time[5]);

	/*RSPINF_a_48*/
	vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_48M),
				bb_type, &tx_rate[6], &rsv_time[6]);

	/*RSPINF_a_54*/
	vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
				bb_type, &tx_rate[7], &rsv_time[7]);

	/*RSPINF_a_72*/
	vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
				bb_type, &tx_rate[8], &rsv_time[8]);

	put_unaligned(phy[0].len, (u16 *)&data[0]);
	data[2] = phy[0].signal;
	data[3] = phy[0].service;

	put_unaligned(phy[1].len, (u16 *)&data[4]);
	data[6] = phy[1].signal;
	data[7] = phy[1].service;

	put_unaligned(phy[2].len, (u16 *)&data[8]);
	data[10] = phy[2].signal;
	data[11] = phy[2].service;

	put_unaligned(phy[3].len, (u16 *)&data[12]);
	data[14] = phy[3].signal;
	data[15] = phy[3].service;

	for (i = 0; i < 9; i++) {
		data[16 + i * 2] = tx_rate[i];
		data[16 + i * 2 + 1] = rsv_time[i];
	}

	vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_RSPINF_B_1,
			MESSAGE_REQUEST_MACREG, 34, &data[0]);
}

/*
 * Description: Update IFS
 *
 * Parameters:
 *  In:
 *	priv - The adapter to be set
 * Out:
 *	none
 *
 * Return Value: None.
 *
 */
void vnt_update_ifs(struct vnt_private *priv)
{
	u8 max_min = 0;
	u8 data[4];

	if (priv->packet_type == PK_TYPE_11A) {
		priv->slot = C_SLOT_SHORT;
		priv->sifs = C_SIFS_A;
		priv->difs = C_SIFS_A + 2 * C_SLOT_SHORT;
		max_min = 4;
	} else {
		priv->sifs = C_SIFS_BG;

		if (priv->short_slot_time) {
			priv->slot = C_SLOT_SHORT;
			max_min = 4;
		} else {
			priv->slot = C_SLOT_LONG;
			max_min = 5;
		}

		priv->difs = C_SIFS_BG + 2 * priv->slot;
	}

	priv->eifs = C_EIFS;

	switch (priv->rf_type) {
	case RF_VT3226D0:
		if (priv->bb_type != BB_TYPE_11B) {
			priv->sifs -= 1;
			priv->difs -= 1;
			break;
		}
		/* fall through */
	case RF_AIROHA7230:
	case RF_AL2230:
	case RF_AL2230S:
		if (priv->bb_type != BB_TYPE_11B)
			break;
		/* fall through */
	case RF_RFMD2959:
	case RF_VT3226:
	case RF_VT3342A0:
		priv->sifs -= 3;
		priv->difs -= 3;
		break;
	case RF_MAXIM2829:
		if (priv->bb_type == BB_TYPE_11A) {
			priv->sifs -= 5;
			priv->difs -= 5;
		} else {
			priv->sifs -= 2;
			priv->difs -= 2;
		}

		break;
	}

	data[0] = (u8)priv->sifs;
	data[1] = (u8)priv->difs;
	data[2] = (u8)priv->eifs;
	data[3] = (u8)priv->slot;

	vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_SIFS,
			MESSAGE_REQUEST_MACREG, 4, &data[0]);

	max_min |= 0xa0;

	vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_CWMAXMIN0,
			MESSAGE_REQUEST_MACREG, 1, &max_min);
}

void vnt_update_top_rates(struct vnt_private *priv)
{
	u8 top_ofdm = RATE_24M, top_cck = RATE_1M;
	u8 i;

	/*Determines the highest basic rate.*/
	for (i = RATE_54M; i >= RATE_6M; i--) {
		if (priv->basic_rates & (u16)(1 << i)) {
			top_ofdm = i;
			break;
		}
	}

	priv->top_ofdm_basic_rate = top_ofdm;

	for (i = RATE_11M;; i--) {
		if (priv->basic_rates & (u16)(1 << i)) {
			top_cck = i;
			break;
		}
		if (i == RATE_1M)
			break;
	}

	priv->top_cck_basic_rate = top_cck;
}

int vnt_ofdm_min_rate(struct vnt_private *priv)
{
	int ii;

	for (ii = RATE_54M; ii >= RATE_6M; ii--) {
		if ((priv->basic_rates) & ((u16)BIT(ii)))
			return true;
	}

	return false;
}

u8 vnt_get_pkt_type(struct vnt_private *priv)
{
	if (priv->bb_type == BB_TYPE_11A || priv->bb_type == BB_TYPE_11B)
		return (u8)priv->bb_type;
	else if (vnt_ofdm_min_rate(priv))
		return PK_TYPE_11GA;
	return PK_TYPE_11GB;
}

/*
 * Description: Calculate TSF offset of two TSF input
 *              Get TSF Offset from RxBCN's TSF and local TSF
 *
 * Parameters:
 *  In:
 *      rx_rate	- rx rate.
 *      tsf1	- Rx BCN's TSF
 *      tsf2	- Local TSF
 *  Out:
 *      none
 *
 * Return Value: TSF Offset value
 *
 */
u64 vnt_get_tsf_offset(u8 rx_rate, u64 tsf1, u64 tsf2)
{
	return tsf1 - tsf2 - (u64)cw_rxbcntsf_off[rx_rate % MAX_RATE];
}

/*
 * Description: Sync. TSF counter to BSS
 *              Get TSF offset and write to HW
 *
 * Parameters:
 *  In:
 *      priv		- The adapter to be sync.
 *      time_stamp	- Rx BCN's TSF
 *      local_tsf	- Local TSF
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate,
		    u64 time_stamp, u64 local_tsf)
{
	u64 tsf_offset = 0;
	u8 data[8];

	tsf_offset = vnt_get_tsf_offset(rx_rate, time_stamp, local_tsf);

	data[0] = (u8)tsf_offset;
	data[1] = (u8)(tsf_offset >> 8);
	data[2] = (u8)(tsf_offset >> 16);
	data[3] = (u8)(tsf_offset >> 24);
	data[4] = (u8)(tsf_offset >> 32);
	data[5] = (u8)(tsf_offset >> 40);
	data[6] = (u8)(tsf_offset >> 48);
	data[7] = (u8)(tsf_offset >> 56);

	vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
			MESSAGE_REQUEST_TSF, 0, 8, data);
}

/*
 * Description: Read NIC TSF counter
 *              Get local TSF counter
 *
 * Parameters:
 *  In:
 *	priv		- The adapter to be read
 *  Out:
 *	current_tsf	- Current TSF counter
 *
 * Return Value: true if success; otherwise false
 *
 */
bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf)
{
	*current_tsf = priv->current_tsf;

	return true;
}

/*
 * Description: Clear NIC TSF counter
 *              Clear local TSF counter
 *
 * Parameters:
 *  In:
 *      priv	- The adapter to be read
 *
 * Return Value: true if success; otherwise false
 *
 */
bool vnt_clear_current_tsf(struct vnt_private *priv)
{
	vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);

	priv->current_tsf = 0;

	return true;
}

/*
 * Description: Read NIC TSF counter
 *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 *
 * Parameters:
 *  In:
 *      tsf		- Current TSF counter
 *      beacon_interval - Beacon Interval
 *  Out:
 *      tsf		- Current TSF counter
 *
 * Return Value: TSF value of next Beacon
 *
 */
u64 vnt_get_next_tbtt(u64 tsf, u16 beacon_interval)
{
	u32 beacon_int;

	beacon_int = beacon_interval * 1024;

	/* Next TBTT =
	 *	((local_current_TSF / beacon_interval) + 1) * beacon_interval
	 */
	if (beacon_int) {
		do_div(tsf, beacon_int);
		tsf += 1;
		tsf *= beacon_int;
	}

	return tsf;
}

/*
 * Description: Set NIC TSF counter for first Beacon time
 *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 *
 * Parameters:
 *  In:
 *      dwIoBase        - IO Base
 *	beacon_interval - Beacon Interval
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval)
{
	u64 next_tbtt = 0;
	u8 data[8];

	vnt_clear_current_tsf(priv);

	next_tbtt = vnt_get_next_tbtt(next_tbtt, beacon_interval);

	data[0] = (u8)next_tbtt;
	data[1] = (u8)(next_tbtt >> 8);
	data[2] = (u8)(next_tbtt >> 16);
	data[3] = (u8)(next_tbtt >> 24);
	data[4] = (u8)(next_tbtt >> 32);
	data[5] = (u8)(next_tbtt >> 40);
	data[6] = (u8)(next_tbtt >> 48);
	data[7] = (u8)(next_tbtt >> 56);

	vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
			MESSAGE_REQUEST_TBTT, 0, 8, data);
}

/*
 * Description: Sync NIC TSF counter for Beacon time
 *              Get NEXTTBTT and write to HW
 *
 * Parameters:
 *  In:
 *	priv		- The adapter to be set
 *      tsf		- Current TSF counter
 *      beacon_interval - Beacon Interval
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf,
			  u16 beacon_interval)
{
	u8 data[8];

	tsf = vnt_get_next_tbtt(tsf, beacon_interval);

	data[0] = (u8)tsf;
	data[1] = (u8)(tsf >> 8);
	data[2] = (u8)(tsf >> 16);
	data[3] = (u8)(tsf >> 24);
	data[4] = (u8)(tsf >> 32);
	data[5] = (u8)(tsf >> 40);
	data[6] = (u8)(tsf >> 48);
	data[7] = (u8)(tsf >> 56);

	vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
			MESSAGE_REQUEST_TBTT, 0, 8, data);

	dev_dbg(&priv->usb->dev, "%s TBTT: %8llx\n", __func__, tsf);
}

/*
 * Description: Turn off Radio power
 *
 * Parameters:
 *  In:
 *      priv         - The adapter to be turned off
 *  Out:
 *      none
 *
 * Return Value: true if success; otherwise false
 *
 */
int vnt_radio_power_off(struct vnt_private *priv)
{
	int ret = 0;

	switch (priv->rf_type) {
	case RF_AL2230:
	case RF_AL2230S:
	case RF_AIROHA7230:
	case RF_VT3226:
	case RF_VT3226D0:
	case RF_VT3342A0:
		ret = vnt_mac_reg_bits_off(priv, MAC_REG_SOFTPWRCTL,
					(SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
		break;
	}

	if (ret)
		goto end;

	ret = vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
	if (ret)
		goto end;

	ret = vnt_set_deep_sleep(priv);
	if (ret)
		goto end;

	ret = vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);

end:
	return ret;
}

/*
 * Description: Turn on Radio power
 *
 * Parameters:
 *  In:
 *      priv         - The adapter to be turned on
 *  Out:
 *      none
 *
 * Return Value: true if success; otherwise false
 *
 */
int vnt_radio_power_on(struct vnt_private *priv)
{
	int ret = 0;

	vnt_exit_deep_sleep(priv);

	vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_RXON);

	switch (priv->rf_type) {
	case RF_AL2230:
	case RF_AL2230S:
	case RF_AIROHA7230:
	case RF_VT3226:
	case RF_VT3226D0:
	case RF_VT3342A0:
		vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
				    (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
		break;
	}

	vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);

	return ret;
}

void vnt_set_bss_mode(struct vnt_private *priv)
{
	if (priv->rf_type == RF_AIROHA7230 && priv->bb_type == BB_TYPE_11A)
		vnt_mac_set_bb_type(priv, BB_TYPE_11G);
	else
		vnt_mac_set_bb_type(priv, priv->bb_type);

	priv->packet_type = vnt_get_pkt_type(priv);

	if (priv->bb_type == BB_TYPE_11A)
		vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x03);
	else if (priv->bb_type == BB_TYPE_11B)
		vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x02);
	else if (priv->bb_type == BB_TYPE_11G)
		vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x08);

	vnt_update_ifs(priv);
	vnt_set_rspinf(priv, (u8)priv->bb_type);

	if (priv->bb_type == BB_TYPE_11A) {
		if (priv->rf_type == RF_AIROHA7230) {
			priv->bb_vga[0] = 0x20;

			vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
					   0xe7, priv->bb_vga[0]);
		}

		priv->bb_vga[2] = 0x10;
		priv->bb_vga[3] = 0x10;
	} else {
		if (priv->rf_type == RF_AIROHA7230) {
			priv->bb_vga[0] = 0x1c;

			vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
					   0xe7, priv->bb_vga[0]);
		}

		priv->bb_vga[2] = 0x0;
		priv->bb_vga[3] = 0x0;
	}

	vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
}