summaryrefslogtreecommitdiff
path: root/drivers/staging/winbond/wbusb.c
blob: 0ca857ac473e91e3171c0963f85a4be214b64947 (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
/*
 * Copyright 2008 Pavel Machek <pavel@ucw.cz>
 *
 * Distribute under GPLv2.
 *
 * The original driver was written by:
 *     Jeff Lee <YY_Lee@issc.com.tw>
 *
 * and was adapted to the 2.6 kernel by:
 *     Costantino Leandro (Rxart Desktop) <le_costantino@pixartargentina.com.ar>
 */
#include <net/mac80211.h>
#include <linux/usb.h>
#include <linux/module.h>

#include "core.h"
#include "mds_f.h"
#include "mto.h"
#include "wbhal.h"
#include "wb35reg_f.h"
#include "wb35tx_f.h"
#include "wb35rx_f.h"

MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1");

static const struct usb_device_id wb35_table[] = {
	{ USB_DEVICE(0x0416, 0x0035) },
	{ USB_DEVICE(0x18E8, 0x6201) },
	{ USB_DEVICE(0x18E8, 0x6206) },
	{ USB_DEVICE(0x18E8, 0x6217) },
	{ USB_DEVICE(0x18E8, 0x6230) },
	{ USB_DEVICE(0x18E8, 0x6233) },
	{ USB_DEVICE(0x1131, 0x2035) },
	{ 0, }
};

MODULE_DEVICE_TABLE(usb, wb35_table);

static struct ieee80211_rate wbsoft_rates[] = {
	{ .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
};

static struct ieee80211_channel wbsoft_channels[] = {
	{ .center_freq = 2412 },
};

static struct ieee80211_supported_band wbsoft_band_2GHz = {
	.channels	= wbsoft_channels,
	.n_channels	= ARRAY_SIZE(wbsoft_channels),
	.bitrates	= wbsoft_rates,
	.n_bitrates	= ARRAY_SIZE(wbsoft_rates),
};

static void hal_set_beacon_period(struct hw_data *pHwData, u16 beacon_period)
{
	u32 tmp;

	if (pHwData->SurpriseRemove)
		return;

	pHwData->BeaconPeriod = beacon_period;
	tmp = pHwData->BeaconPeriod << 16;
	tmp |= pHwData->ProbeDelay;
	Wb35Reg_Write(pHwData, 0x0848, tmp);
}

static int wbsoft_add_interface(struct ieee80211_hw *dev,
				struct ieee80211_vif *vif)
{
	struct wbsoft_priv *priv = dev->priv;

	hal_set_beacon_period(&priv->sHwData, vif->bss_conf.beacon_int);

	return 0;
}

static void wbsoft_remove_interface(struct ieee80211_hw *dev,
				    struct ieee80211_vif *vif)
{
	printk("wbsoft_remove interface called\n");
}

static void wbsoft_stop(struct ieee80211_hw *hw)
{
	printk(KERN_INFO "%s called\n", __func__);
}

static int wbsoft_get_stats(struct ieee80211_hw *hw,
			    struct ieee80211_low_level_stats *stats)
{
	printk(KERN_INFO "%s called\n", __func__);
	return 0;
}

static u64 wbsoft_prepare_multicast(struct ieee80211_hw *hw,
				    struct netdev_hw_addr_list *mc_list)
{
	return netdev_hw_addr_list_count(mc_list);
}

static void wbsoft_configure_filter(struct ieee80211_hw *dev,
				    unsigned int changed_flags,
				    unsigned int *total_flags,
				    u64 multicast)
{
	unsigned int new_flags;

	new_flags = 0;

	if (*total_flags & FIF_PROMISC_IN_BSS)
		new_flags |= FIF_PROMISC_IN_BSS;
	else if ((*total_flags & FIF_ALLMULTI) || (multicast > 32))
		new_flags |= FIF_ALLMULTI;

	dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;

	*total_flags = new_flags;
}

static void wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
	struct wbsoft_priv *priv = dev->priv;

	if (priv->sMlmeFrame.IsInUsed != PACKET_FREE_TO_USE) {
		priv->sMlmeFrame.wNumTxMMPDUDiscarded++;
		kfree_skb(skb);
		return;
	}

	priv->sMlmeFrame.IsInUsed = PACKET_COME_FROM_MLME;

	priv->sMlmeFrame.pMMPDU		= skb->data;
	priv->sMlmeFrame.DataType	= FRAME_TYPE_802_11_MANAGEMENT;
	priv->sMlmeFrame.len		= skb->len;
	priv->sMlmeFrame.wNumTxMMPDU++;

	/*
	 * H/W will enter power save by set the register. S/W don't send null
	 * frame with PWRMgt bit enbled to enter power save now.
	 */

	Mds_Tx(priv);
}

static int wbsoft_start(struct ieee80211_hw *dev)
{
	struct wbsoft_priv *priv = dev->priv;

	priv->enabled = true;

	return 0;
}

static void hal_set_radio_mode(struct hw_data *pHwData, unsigned char radio_off)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	if (radio_off) {	/* disable Baseband receive off */
		pHwData->CurrentRadioSw = 1;	/* off */
		reg->M24_MacControl &= 0xffffffbf;
	} else {
		pHwData->CurrentRadioSw = 0;	/* on */
		reg->M24_MacControl |= 0x00000040;
	}
	Wb35Reg_Write(pHwData, 0x0824, reg->M24_MacControl);
}

static void hal_set_current_channel_ex(struct hw_data *pHwData, struct chan_info channel)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	printk("Going to channel: %d/%d\n", channel.band, channel.ChanNo);

	RFSynthesizer_SwitchingChannel(pHwData, channel); /* Switch channel */
	pHwData->Channel = channel.ChanNo;
	pHwData->band = channel.band;
	pr_debug("Set channel is %d, band =%d\n", pHwData->Channel, pHwData->band);
	reg->M28_MacControl &= ~0xff;	/* Clean channel information field */
	reg->M28_MacControl |= channel.ChanNo;
	Wb35Reg_WriteWithCallbackValue(pHwData, 0x0828, reg->M28_MacControl,
				       (s8 *) &channel,
				       sizeof(struct chan_info));
}

static void hal_set_current_channel(struct hw_data *pHwData, struct chan_info channel)
{
	hal_set_current_channel_ex(pHwData, channel);
}

static void hal_set_accept_broadcast(struct hw_data *pHwData, u8 enable)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	reg->M00_MacControl &= ~0x02000000;	/* The HW value */

	if (enable)
		reg->M00_MacControl |= 0x02000000;	/* The HW value */

	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
}

/* For wep key error detection, we need to accept broadcast packets to be received temporary. */
static void hal_set_accept_promiscuous(struct hw_data *pHwData, u8 enable)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	if (enable) {
		reg->M00_MacControl |= 0x00400000;
		Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
	} else {
		reg->M00_MacControl &= ~0x00400000;
		Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
	}
}

static void hal_set_accept_multicast(struct hw_data *pHwData, u8 enable)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	reg->M00_MacControl &= ~0x01000000;	/* The HW value */
	if (enable)
		reg->M00_MacControl |= 0x01000000;	/* The HW value */
	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
}

static void hal_set_accept_beacon(struct hw_data *pHwData, u8 enable)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return;

	if (!enable)	/* Due to SME and MLME are not suitable for 35 */
		return;

	reg->M00_MacControl &= ~0x04000000;	/* The HW value */
	if (enable)
		reg->M00_MacControl |= 0x04000000;	/* The HW value */

	Wb35Reg_Write(pHwData, 0x0800, reg->M00_MacControl);
}

static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
{
	struct wbsoft_priv *priv = dev->priv;
	struct chan_info ch;

	printk("wbsoft_config called\n");

	/* Should use channel_num, or something, as that is already pre-translated */
	ch.band = 1;
	ch.ChanNo = 1;

	hal_set_current_channel(&priv->sHwData, ch);
	hal_set_accept_broadcast(&priv->sHwData, 1);
	hal_set_accept_promiscuous(&priv->sHwData, 1);
	hal_set_accept_multicast(&priv->sHwData, 1);
	hal_set_accept_beacon(&priv->sHwData, 1);
	hal_set_radio_mode(&priv->sHwData, 0);

	return 0;
}

static u64 wbsoft_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
{
	printk("wbsoft_get_tsf called\n");
	return 0;
}

static const struct ieee80211_ops wbsoft_ops = {
	.tx			= wbsoft_tx,
	.start			= wbsoft_start,
	.stop			= wbsoft_stop,
	.add_interface		= wbsoft_add_interface,
	.remove_interface	= wbsoft_remove_interface,
	.config			= wbsoft_config,
	.prepare_multicast	= wbsoft_prepare_multicast,
	.configure_filter	= wbsoft_configure_filter,
	.get_stats		= wbsoft_get_stats,
	.get_tsf		= wbsoft_get_tsf,
};

static void hal_set_ethernet_address(struct hw_data *pHwData, u8 *current_address)
{
	u32 ltmp[2];

	if (pHwData->SurpriseRemove)
		return;

	memcpy(pHwData->CurrentMacAddress, current_address, ETH_ALEN);

	ltmp[0] = cpu_to_le32(*(u32 *) pHwData->CurrentMacAddress);
	ltmp[1] = cpu_to_le32(*(u32 *) (pHwData->CurrentMacAddress + 4)) & 0xffff;

	Wb35Reg_BurstWrite(pHwData, 0x03e8, ltmp, 2, AUTO_INCREMENT);
}

static void hal_get_permanent_address(struct hw_data *pHwData, u8 *pethernet_address)
{
	if (pHwData->SurpriseRemove)
		return;

	memcpy(pethernet_address, pHwData->PermanentMacAddress, 6);
}

static void hal_stop(struct hw_data *pHwData)
{
	struct wb35_reg *reg = &pHwData->reg;

	pHwData->Wb35Rx.rx_halt = 1;
	Wb35Rx_stop(pHwData);

	pHwData->Wb35Tx.tx_halt = 1;
	Wb35Tx_stop(pHwData);

	reg->D00_DmaControl &= ~0xc0000000;	/* Tx Off, Rx Off */
	Wb35Reg_Write(pHwData, 0x0400, reg->D00_DmaControl);
}

static unsigned char hal_idle(struct hw_data *pHwData)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (!pHwData->SurpriseRemove && reg->EP0vm_state != VM_STOP)
		return false;

	return true;
}

u8 hal_get_antenna_number(struct hw_data *pHwData)
{
	struct wb35_reg *reg = &pHwData->reg;

	if ((reg->BB2C & BIT(11)) == 0)
		return 0;
	else
		return 1;
}

/* 0 : radio on; 1: radio off */
static u8 hal_get_hw_radio_off(struct hw_data *pHwData)
{
	struct wb35_reg *reg = &pHwData->reg;

	if (pHwData->SurpriseRemove)
		return 1;

	/* read the bit16 of register U1B0 */
	Wb35Reg_Read(pHwData, 0x3b0, &reg->U1B0);
	if ((reg->U1B0 & 0x00010000)) {
		pHwData->CurrentRadioHw = 1;
		return 1;
	} else {
		pHwData->CurrentRadioHw = 0;
		return 0;
	}
}

static u8 LED_GRAY[20] = {
	0, 3, 4, 6, 8, 10, 11, 12, 13, 14, 15, 14, 13, 12, 11, 10, 8, 6, 4, 2
};

static u8 LED_GRAY2[30] = {
	7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 15, 14, 13, 12, 11, 10, 9, 8
};

static void hal_led_control(unsigned long data)
{
	struct wbsoft_priv *adapter = (struct wbsoft_priv *)data;
	struct hw_data *pHwData = &adapter->sHwData;
	struct wb35_reg *reg = &pHwData->reg;
	u32 LEDSet = (pHwData->SoftwareSet & HAL_LED_SET_MASK) >> HAL_LED_SET_SHIFT;
	u32 TimeInterval = 500, ltmp, ltmp2;
	ltmp = 0;

	if (pHwData->SurpriseRemove)
		return;

	if (pHwData->LED_control) {
		ltmp2 = pHwData->LED_control & 0xff;
		if (ltmp2 == 5)	{ /* 5 is WPS mode */
			TimeInterval = 100;
			ltmp2 = (pHwData->LED_control >> 8) & 0xff;
			switch (ltmp2) {
			case 1:	/* [0.2 On][0.1 Off]... */
				pHwData->LED_Blinking %= 3;
				ltmp = 0x1010;	/* Led 1 & 0 Green and Red */
				if (pHwData->LED_Blinking == 2)	/* Turn off */
					ltmp = 0;
				break;
			case 2:	/* [0.1 On][0.1 Off]... */
				pHwData->LED_Blinking %= 2;
				ltmp = 0x0010;	/* Led 0 red color */
				if (pHwData->LED_Blinking) /* Turn off */
					ltmp = 0;
				break;
			case 3:	/* [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]... */
				pHwData->LED_Blinking %= 15;
				ltmp = 0x0010;	/* Led 0 red color */
				if ((pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking % 2)) /* Turn off 0.6 sec */
					ltmp = 0;
				break;
			case 4:	/* [300 On][ off ] */
				ltmp = 0x1000;	/* Led 1 Green color */
				if (pHwData->LED_Blinking >= 3000)
					ltmp = 0; /* led maybe on after 300sec * 32bit counter overlap. */
				break;
			}
			pHwData->LED_Blinking++;

			reg->U1BC_LEDConfigure = ltmp;
			if (LEDSet != 7) { /* Only 111 mode has 2 LEDs on PCB. */
				reg->U1BC_LEDConfigure |= (ltmp & 0xff) << 8; /* Copy LED result to each LED control register */
				reg->U1BC_LEDConfigure |= (ltmp & 0xff00) >> 8;
			}
			Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);
		}
	} else if (pHwData->CurrentRadioSw || pHwData->CurrentRadioHw) { /* If radio off */
		if (reg->U1BC_LEDConfigure & 0x1010) {
			reg->U1BC_LEDConfigure &= ~0x1010;
			Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);
		}
	} else {
		switch (LEDSet) {
		case 4:	/* [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing */
			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
				/* Blinking if scanning is on progress */
				if (pHwData->LED_Scanning) {
					if (pHwData->LED_Blinking == 0) {
						reg->U1BC_LEDConfigure |= 0x10;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 On */
						pHwData->LED_Blinking = 1;
						TimeInterval = 300;
					} else {
						reg->U1BC_LEDConfigure &= ~0x10;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
						pHwData->LED_Blinking = 0;
						TimeInterval = 300;
					}
				} else {
					/* Turn Off LED_0 */
					if (reg->U1BC_LEDConfigure & 0x10) {
						reg->U1BC_LEDConfigure &= ~0x10;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
					}
				}
			} else {
				/* Turn On LED_0 */
				if ((reg->U1BC_LEDConfigure & 0x10) == 0) {
					reg->U1BC_LEDConfigure |= 0x10;
					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
				}
			}
			break;
		case 6:	/* [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing */
			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
				/* Blinking if scanning is on progress */
				if (pHwData->LED_Scanning) {
					if (pHwData->LED_Blinking == 0) {
						reg->U1BC_LEDConfigure &= ~0xf;
						reg->U1BC_LEDConfigure |= 0x10;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 On */
						pHwData->LED_Blinking = 1;
						TimeInterval = 300;
					} else {
						reg->U1BC_LEDConfigure &= ~0x1f;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
						pHwData->LED_Blinking = 0;
						TimeInterval = 300;
					}
				} else {
					/* Gray blinking if in disconnect state and not scanning */
					ltmp = reg->U1BC_LEDConfigure;
					reg->U1BC_LEDConfigure &= ~0x1f;
					if (LED_GRAY2[(pHwData->LED_Blinking % 30)]) {
						reg->U1BC_LEDConfigure |= 0x10;
						reg->U1BC_LEDConfigure |=
						    LED_GRAY2[(pHwData->LED_Blinking % 30)];
					}
					pHwData->LED_Blinking++;
					if (reg->U1BC_LEDConfigure != ltmp)
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
					TimeInterval = 100;
				}
			} else {
				/* Turn On LED_0 */
				if ((reg->U1BC_LEDConfigure & 0x10) == 0) {
					reg->U1BC_LEDConfigure |= 0x10;
					Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_0 Off */
				}
			}
			break;
		case 5:	/* [101] Only 1 Led be placed on PCB and use LED_1 for showing */
			if (!pHwData->LED_LinkOn) { /* Blink only if not Link On */
				/* Blinking if scanning is on progress */
				if (pHwData->LED_Scanning) {
					if (pHwData->LED_Blinking == 0) {
						reg->U1BC_LEDConfigure |= 0x1000;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
						pHwData->LED_Blinking = 1;
						TimeInterval = 300;
					} else {
						reg->U1BC_LEDConfigure &= ~0x1000;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 Off */
						pHwData->LED_Blinking = 0;
						TimeInterval = 300;
					}
				} else {
					/* Turn Off LED_1 */
					if (reg->U1BC_LEDConfigure & 0x1000) {
						reg->U1BC_LEDConfigure &= ~0x1000;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 Off */
					}
				}
			} else {
				/* Is transmitting/receiving ?? */
				if ((adapter->RxByteCount !=
				     pHwData->RxByteCountLast)
				    || (adapter->TxByteCount !=
					pHwData->TxByteCountLast)) {
					if ((reg->U1BC_LEDConfigure & 0x3000) !=
					    0x3000) {
						reg->U1BC_LEDConfigure |= 0x3000;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
					}
					/* Update variable */
					pHwData->RxByteCountLast =
					    adapter->RxByteCount;
					pHwData->TxByteCountLast =
					    adapter->TxByteCount;
					TimeInterval = 200;
				} else {
					/* Turn On LED_1 and blinking if transmitting/receiving */
					if ((reg->U1BC_LEDConfigure & 0x3000) !=
					    0x1000) {
						reg->U1BC_LEDConfigure &=
						    ~0x3000;
						reg->U1BC_LEDConfigure |=
						    0x1000;
						Wb35Reg_Write(pHwData, 0x03bc, reg->U1BC_LEDConfigure);	/* LED_1 On */
					}
				}
			}
			break;
		default: /* Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active */
			if ((reg->U1BC_LEDConfigure & 0x3000) != 0x3000) {
				reg->U1BC_LEDConfigure |= 0x3000;	/* LED_1 is always on and event enable */
				Wb35Reg_Write(pHwData, 0x03bc,
					      reg->U1BC_LEDConfigure);
			}

			if (pHwData->LED_Blinking) {
				/* Gray blinking */
				reg->U1BC_LEDConfigure &= ~0x0f;
				reg->U1BC_LEDConfigure |= 0x10;
				reg->U1BC_LEDConfigure |=
				    LED_GRAY[(pHwData->LED_Blinking - 1) % 20];
				Wb35Reg_Write(pHwData, 0x03bc,
					      reg->U1BC_LEDConfigure);

				pHwData->LED_Blinking += 2;
				if (pHwData->LED_Blinking < 40)
					TimeInterval = 100;
				else {
					pHwData->LED_Blinking = 0; /* Stop blinking */
					reg->U1BC_LEDConfigure &= ~0x0f;
					Wb35Reg_Write(pHwData, 0x03bc,
						      reg->U1BC_LEDConfigure);
				}
				break;
			}

			if (pHwData->LED_LinkOn) {
				if (!(reg->U1BC_LEDConfigure & 0x10)) { /* Check the LED_0 */
					/* Try to turn ON LED_0 after gray blinking */
					reg->U1BC_LEDConfigure |= 0x10;
					pHwData->LED_Blinking = 1; /* Start blinking */
					TimeInterval = 50;
				}
			} else {
				if (reg->U1BC_LEDConfigure & 0x10) { /* Check the LED_0 */
					reg->U1BC_LEDConfigure &= ~0x10;
					Wb35Reg_Write(pHwData, 0x03bc,
						      reg->U1BC_LEDConfigure);
				}
			}
			break;
		}
	}

	pHwData->time_count += TimeInterval;
	Wb35Tx_CurrentTime(adapter, pHwData->time_count);
	pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(TimeInterval);
	add_timer(&pHwData->LEDTimer);
}

static int hal_init_hardware(struct ieee80211_hw *hw)
{
	struct wbsoft_priv *priv = hw->priv;
	struct hw_data *pHwData = &priv->sHwData;
	u16 SoftwareSet;

	pHwData->MaxReceiveLifeTime = DEFAULT_MSDU_LIFE_TIME;
	pHwData->FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;

	if (!Wb35Reg_initial(pHwData))
		goto error_reg_destroy;

	if (!Wb35Tx_initial(pHwData))
		goto error_tx_destroy;

	if (!Wb35Rx_initial(pHwData))
		goto error_rx_destroy;

	init_timer(&pHwData->LEDTimer);
	pHwData->LEDTimer.function = hal_led_control;
	pHwData->LEDTimer.data = (unsigned long)priv;
	pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(1000);
	add_timer(&pHwData->LEDTimer);

	SoftwareSet = hal_software_set(pHwData);

	Wb35Rx_start(hw);
	Wb35Tx_EP2VM_start(priv);

	return 0;

error_rx_destroy:
	Wb35Rx_destroy(pHwData);
error_tx_destroy:
	Wb35Tx_destroy(pHwData);
error_reg_destroy:
	Wb35Reg_destroy(pHwData);

	pHwData->SurpriseRemove = 1;
	return -EINVAL;
}

static int wb35_hw_init(struct ieee80211_hw *hw)
{
	struct wbsoft_priv *priv = hw->priv;
	struct hw_data *pHwData = &priv->sHwData;
	u8 EEPROM_region;
	u8 HwRadioOff;
	u8 *pMacAddr2;
	u8 *pMacAddr;
	int err;

	pHwData->phy_type = RF_DECIDE_BY_INF;

	priv->Mds.TxRTSThreshold		= DEFAULT_RTSThreshold;
	priv->Mds.TxFragmentThreshold		= DEFAULT_FRAGMENT_THRESHOLD;

	priv->sLocalPara.region_INF		= REGION_AUTO;
	priv->sLocalPara.TxRateMode		= RATE_AUTO;
	priv->sLocalPara.bMacOperationMode	= MODE_802_11_BG;
	priv->sLocalPara.MTUsize		= MAX_ETHERNET_PACKET_SIZE;
	priv->sLocalPara.bPreambleMode		= AUTO_MODE;
	priv->sLocalPara.bWepKeyError		= false;
	priv->sLocalPara.bToSelfPacketReceived	= false;
	priv->sLocalPara.WepKeyDetectTimerCount	= 2 * 100; /* 2 seconds */

	priv->sLocalPara.RadioOffStatus.boSwRadioOff = false;

	err = hal_init_hardware(hw);
	if (err)
		goto error;

	EEPROM_region = hal_get_region_from_EEPROM(pHwData);
	if (EEPROM_region != REGION_AUTO)
		priv->sLocalPara.region = EEPROM_region;
	else {
		if (priv->sLocalPara.region_INF != REGION_AUTO)
			priv->sLocalPara.region = priv->sLocalPara.region_INF;
		else
			priv->sLocalPara.region = REGION_USA;	/* default setting */
	}

	Mds_initial(priv);

	/*
	 * If no user-defined address in the registry, use the address
	 * "burned" on the NIC instead.
	 */
	pMacAddr = priv->sLocalPara.ThisMacAddress;
	pMacAddr2 = priv->sLocalPara.PermanentAddress;

	/* Reading ethernet address from EEPROM */
	hal_get_permanent_address(pHwData, priv->sLocalPara.PermanentAddress);
	if (memcmp(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH) == 0)
		memcpy(pMacAddr, pMacAddr2, MAC_ADDR_LENGTH);
	else {
		/* Set the user define MAC address */
		hal_set_ethernet_address(pHwData,
					 priv->sLocalPara.ThisMacAddress);
	}

	priv->sLocalPara.bAntennaNo = hal_get_antenna_number(pHwData);
	pr_debug("Driver init, antenna no = %d\n", priv->sLocalPara.bAntennaNo);
	hal_get_hw_radio_off(pHwData);

	/* Waiting for HAL setting OK */
	while (!hal_idle(pHwData))
		msleep(10);

	MTO_Init(priv);

	HwRadioOff = hal_get_hw_radio_off(pHwData);
	priv->sLocalPara.RadioOffStatus.boHwRadioOff = !!HwRadioOff;

	hal_set_radio_mode(pHwData,
			   (unsigned char)(priv->sLocalPara.RadioOffStatus.
					   boSwRadioOff
					   || priv->sLocalPara.RadioOffStatus.
					   boHwRadioOff));

	/* Notify hal that the driver is ready now. */
	hal_driver_init_OK(pHwData) = 1;

error:
	return err;
}

static int wb35_probe(struct usb_interface *intf,
		      const struct usb_device_id *id_table)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	struct usb_endpoint_descriptor *endpoint;
	struct usb_host_interface *interface;
	struct ieee80211_hw *dev;
	struct wbsoft_priv *priv;
	int err;
	u32 ltmp;

	usb_get_dev(udev);

	/* Check the device if it already be opened */
	err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			     0x01,
			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
			     0x0, 0x400, &ltmp, 4, HZ * 100);
	if (err < 0)
		goto error;

	/* Is already initialized? */
	ltmp = cpu_to_le32(ltmp);
	if (ltmp) {
		err = -EBUSY;
		goto error;
	}

	dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
	if (!dev) {
		err = -ENOMEM;
		goto error;
	}

	priv = dev->priv;

	priv->sHwData.udev = udev;

	interface = intf->cur_altsetting;
	endpoint = &interface->endpoint[0].desc;

	if (endpoint[2].wMaxPacketSize == 512)
		printk("[w35und] Working on USB 2.0\n");

	err = wb35_hw_init(dev);
	if (err)
		goto error_free_hw;

	SET_IEEE80211_DEV(dev, &udev->dev);
	{
		struct hw_data *pHwData = &priv->sHwData;
		unsigned char dev_addr[MAX_ADDR_LEN];
		hal_get_permanent_address(pHwData, dev_addr);
		SET_IEEE80211_PERM_ADDR(dev, dev_addr);
	}

	dev->extra_tx_headroom = 12;	/* FIXME */
	dev->flags = IEEE80211_HW_SIGNAL_UNSPEC;
	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);

	dev->channel_change_time = 1000;
	dev->max_signal = 100;
	dev->queues = 1;

	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &wbsoft_band_2GHz;

	err = ieee80211_register_hw(dev);
	if (err)
		goto error_free_hw;

	usb_set_intfdata(intf, dev);

	return 0;

error_free_hw:
	ieee80211_free_hw(dev);
error:
	usb_put_dev(udev);
	return err;
}

static void hal_halt(struct hw_data *pHwData)
{
	del_timer_sync(&pHwData->LEDTimer);
	/* XXX: Wait for Timer DPC exit. */
	msleep(100);
	Wb35Rx_destroy(pHwData);
	Wb35Tx_destroy(pHwData);
	Wb35Reg_destroy(pHwData);
}

static void wb35_hw_halt(struct wbsoft_priv *adapter)
{
	/* Turn off Rx and Tx hardware ability */
	hal_stop(&adapter->sHwData);
	pr_debug("[w35und] Hal_stop O.K.\n");
	/* Waiting Irp completed */
	msleep(100);

	hal_halt(&adapter->sHwData);
}

static void wb35_disconnect(struct usb_interface *intf)
{
	struct ieee80211_hw *hw = usb_get_intfdata(intf);
	struct wbsoft_priv *priv = hw->priv;

	wb35_hw_halt(priv);

	ieee80211_stop_queues(hw);
	ieee80211_unregister_hw(hw);
	ieee80211_free_hw(hw);

	usb_set_intfdata(intf, NULL);
	usb_put_dev(interface_to_usbdev(intf));
}

static struct usb_driver wb35_driver = {
	.name		= "w35und",
	.id_table	= wb35_table,
	.probe		= wb35_probe,
	.disconnect	= wb35_disconnect,
};

module_usb_driver(wb35_driver);