aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/rtl8712/usb_intf.c
blob: e3a005da776b8f432eff2792f54fe6d2f66760fb (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
/******************************************************************************
 * usb_intf.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License 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.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/

#define _HCI_INTF_C_

#include <linux/usb.h>
#include <linux/module.h>
#include <linux/firmware.h>

#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "xmit_osdep.h"
#include "rtl8712_efuse.h"
#include "usb_ops.h"
#include "usb_osintf.h"

static struct usb_interface *pintf;

static int r871xu_drv_init(struct usb_interface *pusb_intf,
			   const struct usb_device_id *pdid);

static void r871xu_dev_remove(struct usb_interface *pusb_intf);

static struct usb_device_id rtl871x_usb_id_tbl[] = {

/* RTL8188SU */
	/* Realtek */
	{USB_DEVICE(0x0BDA, 0x8171)},
	{USB_DEVICE(0x0bda, 0x8173)},
	{USB_DEVICE(0x0bda, 0x8712)},
	{USB_DEVICE(0x0bda, 0x8713)},
	{USB_DEVICE(0x0bda, 0xC512)},
	/* Abocom */
	{USB_DEVICE(0x07B8, 0x8188)},
	/* ASUS */
	{USB_DEVICE(0x0B05, 0x1786)},
	{USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
	/* Belkin */
	{USB_DEVICE(0x050D, 0x945A)},
	/* ISY IWL - Belkin clone */
	{USB_DEVICE(0x050D, 0x11F1)},
	/* Corega */
	{USB_DEVICE(0x07AA, 0x0047)},
	/* D-Link */
	{USB_DEVICE(0x2001, 0x3306)},
	{USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
	/* Edimax */
	{USB_DEVICE(0x7392, 0x7611)},
	/* EnGenius */
	{USB_DEVICE(0x1740, 0x9603)},
	/* Hawking */
	{USB_DEVICE(0x0E66, 0x0016)},
	/* Hercules */
	{USB_DEVICE(0x06F8, 0xE034)},
	{USB_DEVICE(0x06F8, 0xE032)},
	/* Logitec */
	{USB_DEVICE(0x0789, 0x0167)},
	/* PCI */
	{USB_DEVICE(0x2019, 0xAB28)},
	{USB_DEVICE(0x2019, 0xED16)},
	/* Sitecom */
	{USB_DEVICE(0x0DF6, 0x0057)},
	{USB_DEVICE(0x0DF6, 0x0045)},
	{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
	{USB_DEVICE(0x0DF6, 0x004B)},
	{USB_DEVICE(0x0DF6, 0x005B)},
	{USB_DEVICE(0x0DF6, 0x005D)},
	{USB_DEVICE(0x0DF6, 0x0063)},
	/* Sweex */
	{USB_DEVICE(0x177F, 0x0154)},
	/* Thinkware */
	{USB_DEVICE(0x0BDA, 0x5077)},
	/* Toshiba */
	{USB_DEVICE(0x1690, 0x0752)},
	/* - */
	{USB_DEVICE(0x20F4, 0x646B)},
	{USB_DEVICE(0x083A, 0xC512)},
	{USB_DEVICE(0x25D4, 0x4CA1)},
	{USB_DEVICE(0x25D4, 0x4CAB)},

/* RTL8191SU */
	/* Realtek */
	{USB_DEVICE(0x0BDA, 0x8172)},
	{USB_DEVICE(0x0BDA, 0x8192)},
	/* Amigo */
	{USB_DEVICE(0x0EB0, 0x9061)},
	/* ASUS/EKB */
	{USB_DEVICE(0x13D3, 0x3323)},
	{USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
	{USB_DEVICE(0x13D3, 0x3342)},
	/* ASUS/EKBLenovo */
	{USB_DEVICE(0x13D3, 0x3333)},
	{USB_DEVICE(0x13D3, 0x3334)},
	{USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
	{USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
	/* ASUS/Media BOX */
	{USB_DEVICE(0x13D3, 0x3309)},
	/* Belkin */
	{USB_DEVICE(0x050D, 0x815F)},
	/* D-Link */
	{USB_DEVICE(0x07D1, 0x3302)},
	{USB_DEVICE(0x07D1, 0x3300)},
	{USB_DEVICE(0x07D1, 0x3303)},
	/* Edimax */
	{USB_DEVICE(0x7392, 0x7612)},
	/* EnGenius */
	{USB_DEVICE(0x1740, 0x9605)},
	/* Guillemot */
	{USB_DEVICE(0x06F8, 0xE031)},
	/* Hawking */
	{USB_DEVICE(0x0E66, 0x0015)},
	/* Mediao */
	{USB_DEVICE(0x13D3, 0x3306)},
	/* PCI */
	{USB_DEVICE(0x2019, 0xED18)},
	{USB_DEVICE(0x2019, 0x4901)},
	/* Sitecom */
	{USB_DEVICE(0x0DF6, 0x0058)},
	{USB_DEVICE(0x0DF6, 0x0049)},
	{USB_DEVICE(0x0DF6, 0x004C)},
	{USB_DEVICE(0x0DF6, 0x0064)},
	/* Skyworth */
	{USB_DEVICE(0x14b2, 0x3300)},
	{USB_DEVICE(0x14b2, 0x3301)},
	{USB_DEVICE(0x14B2, 0x3302)},
	/* - */
	{USB_DEVICE(0x04F2, 0xAFF2)},
	{USB_DEVICE(0x04F2, 0xAFF5)},
	{USB_DEVICE(0x04F2, 0xAFF6)},
	{USB_DEVICE(0x13D3, 0x3339)},
	{USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
	{USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
	{USB_DEVICE(0x13D3, 0x3310)},
	{USB_DEVICE(0x13D3, 0x3325)},

/* RTL8192SU */
	/* Realtek */
	{USB_DEVICE(0x0BDA, 0x8174)},
	/* Belkin */
	{USB_DEVICE(0x050D, 0x845A)},
	/* Corega */
	{USB_DEVICE(0x07AA, 0x0051)},
	/* Edimax */
	{USB_DEVICE(0x7392, 0x7622)},
	/* NEC */
	{USB_DEVICE(0x0409, 0x02B6)},
	{}
};

MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);

static struct specific_device_id specific_device_id_tbl[] = {
	{.idVendor = 0x0b05, .idProduct = 0x1791,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x0df6, .idProduct = 0x0059,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13d3, .idProduct = 0x3306,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13D3, .idProduct = 0x3311,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13d3, .idProduct = 0x3335,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13d3, .idProduct = 0x3336,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13d3, .idProduct = 0x3340,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{.idVendor = 0x13d3, .idProduct = 0x3341,
		 .flags = SPEC_DEV_ID_DISABLE_HT},
	{}
};

struct drv_priv {
	struct usb_driver r871xu_drv;
	int drv_registered;
};

#ifdef CONFIG_PM
static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
{
	struct net_device *pnetdev = usb_get_intfdata(pusb_intf);

	netdev_info(pnetdev, "Suspending...\n");
	if (!pnetdev || !netif_running(pnetdev)) {
		netdev_info(pnetdev, "Unable to suspend\n");
		return 0;
	}
	if (pnetdev->netdev_ops->ndo_stop)
		pnetdev->netdev_ops->ndo_stop(pnetdev);
	mdelay(10);
	netif_device_detach(pnetdev);
	return 0;
}

static int r871x_resume(struct usb_interface *pusb_intf)
{
	struct net_device *pnetdev = usb_get_intfdata(pusb_intf);

	netdev_info(pnetdev,  "Resuming...\n");
	if (!pnetdev || !netif_running(pnetdev)) {
		netdev_info(pnetdev, "Unable to resume\n");
		return 0;
	}
	netif_device_attach(pnetdev);
	if (pnetdev->netdev_ops->ndo_open)
		pnetdev->netdev_ops->ndo_open(pnetdev);
	return 0;
}

static int r871x_reset_resume(struct usb_interface *pusb_intf)
{
	/* dummy routine */
	return 0;
}

#endif

static struct drv_priv drvpriv = {
	.r871xu_drv.name = "r8712u",
	.r871xu_drv.id_table = rtl871x_usb_id_tbl,
	.r871xu_drv.probe = r871xu_drv_init,
	.r871xu_drv.disconnect = r871xu_dev_remove,
#ifdef CONFIG_PM
	.r871xu_drv.suspend = r871x_suspend,
	.r871xu_drv.resume = r871x_resume,
	.r871xu_drv.reset_resume = r871x_reset_resume,
#endif
};

static uint r8712_usb_dvobj_init(struct _adapter *padapter)
{
	uint	status = _SUCCESS;
	struct	usb_device_descriptor		*pdev_desc;
	struct	usb_host_config			*phost_conf;
	struct	usb_config_descriptor		*pconf_desc;
	struct	usb_host_interface		*phost_iface;
	struct	usb_interface_descriptor	*piface_desc;
	struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
	struct usb_device *pusbd = pdvobjpriv->pusbdev;

	pdvobjpriv->padapter = padapter;
	padapter->EepromAddressSize = 6;
	pdev_desc = &pusbd->descriptor;
	phost_conf = pusbd->actconfig;
	pconf_desc = &phost_conf->desc;
	phost_iface = &pintf->altsetting[0];
	piface_desc = &phost_iface->desc;
	pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
	if (pusbd->speed == USB_SPEED_HIGH) {
		pdvobjpriv->ishighspeed = true;
		dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
			 pdvobjpriv->nr_endpoint);
	} else {
		pdvobjpriv->ishighspeed = false;
		dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
			 pdvobjpriv->nr_endpoint);
	}
	if ((r8712_alloc_io_queue(padapter)) == _FAIL)
		status = _FAIL;
	return status;
}

static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
{
}

void rtl871x_intf_stop(struct _adapter *padapter)
{
	/*disable_hw_interrupt*/
	if (padapter->bSurpriseRemoved == false) {
		/*device still exists, so driver can do i/o operation
		 * TODO: */
	}

	/* cancel in irp */
	if (padapter->dvobjpriv.inirp_deinit != NULL)
		padapter->dvobjpriv.inirp_deinit(padapter);
	/* cancel out irp */
	r8712_usb_write_port_cancel(padapter);
	/* TODO:cancel other irps */
}

void r871x_dev_unload(struct _adapter *padapter)
{
	if (padapter->bup == true) {
		/*s1.*/
		padapter->bDriverStopped = true;

		/*s3.*/
		rtl871x_intf_stop(padapter);

		/*s4.*/
		r8712_stop_drv_threads(padapter);

		/*s5.*/
		if (padapter->bSurpriseRemoved == false) {
			padapter->hw_init_completed = false;
			rtl8712_hal_deinit(padapter);
		}

		/*s6.*/
		if (padapter->dvobj_deinit)
			padapter->dvobj_deinit(padapter);
		padapter->bup = false;
	}
}

static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
				      struct _adapter *padapter)
{
	u16 vid, pid;
	u32 flags;
	int i;
	int num = sizeof(specific_device_id_tbl) /
		  sizeof(struct specific_device_id);

	for (i = 0; i < num; i++) {
		vid = specific_device_id_tbl[i].idVendor;
		pid = specific_device_id_tbl[i].idProduct;
		flags = specific_device_id_tbl[i].flags;

		if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
		    (flags&SPEC_DEV_ID_DISABLE_HT)) {
			padapter->registrypriv.ht_enable = 0;
			padapter->registrypriv.cbw40_enable = 0;
			padapter->registrypriv.ampdu_enable = 0;
		}
	}
}

static u8 key_2char2num(u8 hch, u8 lch)
{
	return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
}

static const struct device_type wlan_type = {
	.name = "wlan",
};

/*
 * drv_init() - a device potentially for us
 *
 * notes: drv_init() is called when the bus driver has located a card for us
 * to support. We accept the new device by returning 0.
*/
static int r871xu_drv_init(struct usb_interface *pusb_intf,
			   const struct usb_device_id *pdid)
{
	uint status;
	struct _adapter *padapter = NULL;
	struct dvobj_priv *pdvobjpriv;
	struct net_device *pnetdev;
	struct usb_device *udev;

	printk(KERN_INFO "r8712u: Staging version\n");
	/* In this probe function, O.S. will provide the usb interface pointer
	 * to driver. We have to increase the reference count of the usb device
	 * structure by using the usb_get_dev function.
	 */
	udev = interface_to_usbdev(pusb_intf);
	usb_get_dev(udev);
	pintf = pusb_intf;
	/* step 1. */
	pnetdev = r8712_init_netdev();
	if (!pnetdev)
		goto error;
	padapter = netdev_priv(pnetdev);
	disable_ht_for_spec_devid(pdid, padapter);
	pdvobjpriv = &padapter->dvobjpriv;
	pdvobjpriv->padapter = padapter;
	padapter->dvobjpriv.pusbdev = udev;
	padapter->pusb_intf = pusb_intf;
	usb_set_intfdata(pusb_intf, pnetdev);
	SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
	pnetdev->dev.type = &wlan_type;
	/* step 2. */
	padapter->dvobj_init = &r8712_usb_dvobj_init;
	padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
	padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
	padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
	padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
	/* step 3.
	 * initialize the dvobj_priv
	 */
	if (padapter->dvobj_init == NULL)
			goto error;
	else {
		status = padapter->dvobj_init(padapter);
		if (status != _SUCCESS)
			goto error;
	}
	/* step 4. */
	status = r8712_init_drv_sw(padapter);
	if (status == _FAIL)
		goto error;
	/* step 5. read efuse/eeprom data and get mac_addr */
	{
		int i, offset;
		u8 mac[6];
		u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
		u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;

		tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/

		/* To check system boot selection.*/
		dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
			 (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
			 (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");

		/* To check autoload success or not.*/
		if (tmpU1b & _EEPROM_EN) {
			AutoloadFail = true;
			/* The following operations prevent Efuse leakage by
			 * turning on 2.5V.
			 */
			tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
			r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
			msleep(20);
			r8712_write8(padapter, EFUSE_TEST + 3,
				     (tmpU1b & (~BIT(7))));

			/* Retrieve Chip version.
			 * Recognize IC version by Reg0x4 BIT15.
			 */
			tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
						    0x1F);
			if (tmpU1b == 0x3)
				padapter->registrypriv.chip_version =
				     RTL8712_3rdCUT;
			else
				padapter->registrypriv.chip_version =
				     (tmpU1b >> 1) + 1;
			switch (padapter->registrypriv.chip_version) {
			case RTL8712_1stCUT:
			case RTL8712_2ndCUT:
			case RTL8712_3rdCUT:
				break;
			default:
				padapter->registrypriv.chip_version =
				     RTL8712_2ndCUT;
				break;
			}

			for (i = 0, offset = 0; i < 128; i += 8, offset++)
				r8712_efuse_pg_packet_read(padapter, offset,
						     &pdata[i]);

			if (r8712_initmac) {
				/* Users specify the mac address */
				int jj, kk;

				for (jj = 0, kk = 0; jj < ETH_ALEN;
				     jj++, kk += 3)
					mac[jj] =
					   key_2char2num(r8712_initmac[kk],
					   r8712_initmac[kk + 1]);
			} else {
				/* Use the mac address stored in the Efuse
				 * offset = 0x12 for usb in efuse
				 */
				memcpy(mac, &pdata[0x12], ETH_ALEN);
			}
			eeprom_CustomerID = pdata[0x52];
			switch (eeprom_CustomerID) {
			case EEPROM_CID_ALPHA:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_ALPHA;
				break;
			case EEPROM_CID_CAMEO:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_CAMEO;
				break;
			case EEPROM_CID_SITECOM:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_Sitecom;
				break;
			case EEPROM_CID_COREGA:
				padapter->eeprompriv.CustomerID =
						 RT_CID_COREGA;
				break;
			case EEPROM_CID_Senao:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_Senao;
				break;
			case EEPROM_CID_EDIMAX_BELKIN:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_Edimax_Belkin;
				break;
			case EEPROM_CID_SERCOMM_BELKIN:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_Sercomm_Belkin;
				break;
			case EEPROM_CID_WNC_COREGA:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_WNC_COREGA;
				break;
			case EEPROM_CID_WHQL:
				break;
			case EEPROM_CID_NetCore:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_Netcore;
				break;
			case EEPROM_CID_CAMEO1:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_CAMEO1;
				break;
			case EEPROM_CID_CLEVO:
				padapter->eeprompriv.CustomerID =
						 RT_CID_819x_CLEVO;
				break;
			default:
				padapter->eeprompriv.CustomerID =
						 RT_CID_DEFAULT;
				break;
			}
			dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
				 padapter->eeprompriv.CustomerID);
			/* Led mode */
			switch (padapter->eeprompriv.CustomerID) {
			case RT_CID_DEFAULT:
			case RT_CID_819x_ALPHA:
			case RT_CID_819x_CAMEO:
				padapter->ledpriv.LedStrategy = SW_LED_MODE1;
				padapter->ledpriv.bRegUseLed = true;
				break;
			case RT_CID_819x_Sitecom:
				padapter->ledpriv.LedStrategy = SW_LED_MODE2;
				padapter->ledpriv.bRegUseLed = true;
				break;
			case RT_CID_COREGA:
			case RT_CID_819x_Senao:
				padapter->ledpriv.LedStrategy = SW_LED_MODE3;
				padapter->ledpriv.bRegUseLed = true;
				break;
			case RT_CID_819x_Edimax_Belkin:
				padapter->ledpriv.LedStrategy = SW_LED_MODE4;
				padapter->ledpriv.bRegUseLed = true;
				break;
			case RT_CID_819x_Sercomm_Belkin:
				padapter->ledpriv.LedStrategy = SW_LED_MODE5;
				padapter->ledpriv.bRegUseLed = true;
				break;
			case RT_CID_819x_WNC_COREGA:
				padapter->ledpriv.LedStrategy = SW_LED_MODE6;
				padapter->ledpriv.bRegUseLed = true;
				break;
			default:
				padapter->ledpriv.LedStrategy = SW_LED_MODE0;
				padapter->ledpriv.bRegUseLed = false;
				break;
			}
		} else
			AutoloadFail = false;
		if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
		     (mac[2] == 0xff) && (mac[3] == 0xff) &&
		     (mac[4] == 0xff) && (mac[5] == 0xff)) ||
		    ((mac[0] == 0x00) && (mac[1] == 0x00) &&
		     (mac[2] == 0x00) && (mac[3] == 0x00) &&
		     (mac[4] == 0x00) && (mac[5] == 0x00)) ||
		     (AutoloadFail == false)) {
			mac[0] = 0x00;
			mac[1] = 0xe0;
			mac[2] = 0x4c;
			mac[3] = 0x87;
			mac[4] = 0x00;
			mac[5] = 0x00;
		}
		if (r8712_initmac) {
			/* Make sure the user did not select a multicast
			 * address by setting bit 1 of first octet.
			 */
			mac[0] &= 0xFE;
			dev_info(&udev->dev, "r8712u: MAC Address from user = %pM\n", mac);
		} else
			dev_info(&udev->dev, "r8712u: MAC Address from efuse = %pM\n", mac);
		memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
	}
	/* step 6. Load the firmware asynchronously */
	if (rtl871x_load_fw(padapter))
		goto error;
	spin_lock_init(&padapter->lockRxFF0Filter);
	mutex_init(&padapter->mutex_start);
	return 0;
error:
	usb_put_dev(udev);
	usb_set_intfdata(pusb_intf, NULL);
	if (padapter->dvobj_deinit != NULL)
		padapter->dvobj_deinit(padapter);
	if (pnetdev)
		free_netdev(pnetdev);
	return -ENODEV;
}

/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 * => how to recognize both */
static void r871xu_dev_remove(struct usb_interface *pusb_intf)
{
	struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
	struct _adapter *padapter = netdev_priv(pnetdev);
	struct usb_device *udev = interface_to_usbdev(pusb_intf);

	usb_set_intfdata(pusb_intf, NULL);
	if (padapter->fw_found)
		release_firmware(padapter->fw);
	/* never exit with a firmware callback pending */
	wait_for_completion(&padapter->rtl8712_fw_ready);
	if (drvpriv.drv_registered == true)
		padapter->bSurpriseRemoved = true;
	if (pnetdev != NULL) {
		/* will call netdev_close() */
		unregister_netdev(pnetdev);
	}
	flush_scheduled_work();
	udelay(1);
	/*Stop driver mlme relation timer */
	if (padapter->fw_found)
		r8712_stop_drv_timers(padapter);
	r871x_dev_unload(padapter);
	r8712_free_drv_sw(padapter);
	usb_set_intfdata(pusb_intf, NULL);
	/* decrease the reference count of the usb device structure
	 * when disconnect */
	usb_put_dev(udev);
	/* If we didn't unplug usb dongle and remove/insert module, driver
	 * fails on sitesurvey for the first time when device is up.
	 * Reset usb port for sitesurvey fail issue. */
	if (udev->state != USB_STATE_NOTATTACHED)
		usb_reset_device(udev);
	return;
}

static int __init r8712u_drv_entry(void)
{
	drvpriv.drv_registered = true;
	return usb_register(&drvpriv.r871xu_drv);
}

static void __exit r8712u_drv_halt(void)
{
	drvpriv.drv_registered = false;
	usb_deregister(&drvpriv.r871xu_drv);
}

module_init(r8712u_drv_entry);
module_exit(r8712u_drv_halt);