Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

Linux/drivers/staging/rtl8712/usb_intf.c

  1 /******************************************************************************
  2  * usb_intf.c
  3  *
  4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
  5  * Linux device driver for RTL8192SU
  6  *
  7  * This program is free software; you can redistribute it and/or modify it
  8  * under the terms of version 2 of the GNU General Public License as
  9  * published by the Free Software Foundation.
 10  *
 11  * This program is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14  * more details.
 15  *
 16  * You should have received a copy of the GNU General Public License along with
 17  * this program; if not, write to the Free Software Foundation, Inc.,
 18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 19  *
 20  * Modifications for inclusion into the Linux staging tree are
 21  * Copyright(c) 2010 Larry Finger. All rights reserved.
 22  *
 23  * Contact information:
 24  * WLAN FAE <wlanfae@realtek.com>
 25  * Larry Finger <Larry.Finger@lwfinger.net>
 26  *
 27  ******************************************************************************/
 28 
 29 #define _HCI_INTF_C_
 30 
 31 #include <linux/usb.h>
 32 #include <linux/module.h>
 33 #include <linux/firmware.h>
 34 
 35 #include "osdep_service.h"
 36 #include "drv_types.h"
 37 #include "recv_osdep.h"
 38 #include "xmit_osdep.h"
 39 #include "rtl8712_efuse.h"
 40 #include "usb_ops.h"
 41 #include "usb_osintf.h"
 42 
 43 static struct usb_interface *pintf;
 44 
 45 static int r871xu_drv_init(struct usb_interface *pusb_intf,
 46                            const struct usb_device_id *pdid);
 47 
 48 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
 49 
 50 static struct usb_device_id rtl871x_usb_id_tbl[] = {
 51 
 52 /* RTL8188SU */
 53         /* Realtek */
 54         {USB_DEVICE(0x0BDA, 0x8171)},
 55         {USB_DEVICE(0x0bda, 0x8173)},
 56         {USB_DEVICE(0x0bda, 0x8712)},
 57         {USB_DEVICE(0x0bda, 0x8713)},
 58         {USB_DEVICE(0x0bda, 0xC512)},
 59         /* Abocom */
 60         {USB_DEVICE(0x07B8, 0x8188)},
 61         /* ASUS */
 62         {USB_DEVICE(0x0B05, 0x1786)},
 63         {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
 64         /* Belkin */
 65         {USB_DEVICE(0x050D, 0x945A)},
 66         /* ISY IWL - Belkin clone */
 67         {USB_DEVICE(0x050D, 0x11F1)},
 68         /* Corega */
 69         {USB_DEVICE(0x07AA, 0x0047)},
 70         /* D-Link */
 71         {USB_DEVICE(0x2001, 0x3306)},
 72         {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
 73         /* Edimax */
 74         {USB_DEVICE(0x7392, 0x7611)},
 75         /* EnGenius */
 76         {USB_DEVICE(0x1740, 0x9603)},
 77         /* Hawking */
 78         {USB_DEVICE(0x0E66, 0x0016)},
 79         /* Hercules */
 80         {USB_DEVICE(0x06F8, 0xE034)},
 81         {USB_DEVICE(0x06F8, 0xE032)},
 82         /* Logitec */
 83         {USB_DEVICE(0x0789, 0x0167)},
 84         /* PCI */
 85         {USB_DEVICE(0x2019, 0xAB28)},
 86         {USB_DEVICE(0x2019, 0xED16)},
 87         /* Sitecom */
 88         {USB_DEVICE(0x0DF6, 0x0057)},
 89         {USB_DEVICE(0x0DF6, 0x0045)},
 90         {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
 91         {USB_DEVICE(0x0DF6, 0x004B)},
 92         {USB_DEVICE(0x0DF6, 0x005B)},
 93         {USB_DEVICE(0x0DF6, 0x005D)},
 94         {USB_DEVICE(0x0DF6, 0x0063)},
 95         /* Sweex */
 96         {USB_DEVICE(0x177F, 0x0154)},
 97         /* Thinkware */
 98         {USB_DEVICE(0x0BDA, 0x5077)},
 99         /* Toshiba */
100         {USB_DEVICE(0x1690, 0x0752)},
101         /* - */
102         {USB_DEVICE(0x20F4, 0x646B)},
103         {USB_DEVICE(0x083A, 0xC512)},
104         {USB_DEVICE(0x25D4, 0x4CA1)},
105         {USB_DEVICE(0x25D4, 0x4CAB)},
106 
107 /* RTL8191SU */
108         /* Realtek */
109         {USB_DEVICE(0x0BDA, 0x8172)},
110         {USB_DEVICE(0x0BDA, 0x8192)},
111         /* Amigo */
112         {USB_DEVICE(0x0EB0, 0x9061)},
113         /* ASUS/EKB */
114         {USB_DEVICE(0x13D3, 0x3323)},
115         {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
116         {USB_DEVICE(0x13D3, 0x3342)},
117         /* ASUS/EKBLenovo */
118         {USB_DEVICE(0x13D3, 0x3333)},
119         {USB_DEVICE(0x13D3, 0x3334)},
120         {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
121         {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
122         /* ASUS/Media BOX */
123         {USB_DEVICE(0x13D3, 0x3309)},
124         /* Belkin */
125         {USB_DEVICE(0x050D, 0x815F)},
126         /* D-Link */
127         {USB_DEVICE(0x07D1, 0x3302)},
128         {USB_DEVICE(0x07D1, 0x3300)},
129         {USB_DEVICE(0x07D1, 0x3303)},
130         /* Edimax */
131         {USB_DEVICE(0x7392, 0x7612)},
132         /* EnGenius */
133         {USB_DEVICE(0x1740, 0x9605)},
134         /* Guillemot */
135         {USB_DEVICE(0x06F8, 0xE031)},
136         /* Hawking */
137         {USB_DEVICE(0x0E66, 0x0015)},
138         /* Mediao */
139         {USB_DEVICE(0x13D3, 0x3306)},
140         /* PCI */
141         {USB_DEVICE(0x2019, 0xED18)},
142         {USB_DEVICE(0x2019, 0x4901)},
143         /* Sitecom */
144         {USB_DEVICE(0x0DF6, 0x0058)},
145         {USB_DEVICE(0x0DF6, 0x0049)},
146         {USB_DEVICE(0x0DF6, 0x004C)},
147         {USB_DEVICE(0x0DF6, 0x006C)},
148         {USB_DEVICE(0x0DF6, 0x0064)},
149         /* Skyworth */
150         {USB_DEVICE(0x14b2, 0x3300)},
151         {USB_DEVICE(0x14b2, 0x3301)},
152         {USB_DEVICE(0x14B2, 0x3302)},
153         /* - */
154         {USB_DEVICE(0x04F2, 0xAFF2)},
155         {USB_DEVICE(0x04F2, 0xAFF5)},
156         {USB_DEVICE(0x04F2, 0xAFF6)},
157         {USB_DEVICE(0x13D3, 0x3339)},
158         {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
159         {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
160         {USB_DEVICE(0x13D3, 0x3310)},
161         {USB_DEVICE(0x13D3, 0x3325)},
162 
163 /* RTL8192SU */
164         /* Realtek */
165         {USB_DEVICE(0x0BDA, 0x8174)},
166         /* Belkin */
167         {USB_DEVICE(0x050D, 0x845A)},
168         /* Corega */
169         {USB_DEVICE(0x07AA, 0x0051)},
170         /* Edimax */
171         {USB_DEVICE(0x7392, 0x7622)},
172         /* NEC */
173         {USB_DEVICE(0x0409, 0x02B6)},
174         {}
175 };
176 
177 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
178 
179 static struct specific_device_id specific_device_id_tbl[] = {
180         {.idVendor = 0x0b05, .idProduct = 0x1791,
181                  .flags = SPEC_DEV_ID_DISABLE_HT},
182         {.idVendor = 0x0df6, .idProduct = 0x0059,
183                  .flags = SPEC_DEV_ID_DISABLE_HT},
184         {.idVendor = 0x13d3, .idProduct = 0x3306,
185                  .flags = SPEC_DEV_ID_DISABLE_HT},
186         {.idVendor = 0x13D3, .idProduct = 0x3311,
187                  .flags = SPEC_DEV_ID_DISABLE_HT},
188         {.idVendor = 0x13d3, .idProduct = 0x3335,
189                  .flags = SPEC_DEV_ID_DISABLE_HT},
190         {.idVendor = 0x13d3, .idProduct = 0x3336,
191                  .flags = SPEC_DEV_ID_DISABLE_HT},
192         {.idVendor = 0x13d3, .idProduct = 0x3340,
193                  .flags = SPEC_DEV_ID_DISABLE_HT},
194         {.idVendor = 0x13d3, .idProduct = 0x3341,
195                  .flags = SPEC_DEV_ID_DISABLE_HT},
196         {}
197 };
198 
199 struct drv_priv {
200         struct usb_driver r871xu_drv;
201         int drv_registered;
202 };
203 
204 #ifdef CONFIG_PM
205 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
206 {
207         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
208         struct _adapter *padapter = netdev_priv(pnetdev);
209 
210         netdev_info(pnetdev, "Suspending...\n");
211         if (!pnetdev || !netif_running(pnetdev)) {
212                 netdev_info(pnetdev, "Unable to suspend\n");
213                 return 0;
214         }
215         padapter->bSuspended = true;
216         rtl871x_intf_stop(padapter);
217         if (pnetdev->netdev_ops->ndo_stop)
218                 pnetdev->netdev_ops->ndo_stop(pnetdev);
219         mdelay(10);
220         netif_device_detach(pnetdev);
221         return 0;
222 }
223 
224 static void rtl871x_intf_resume(struct _adapter *padapter)
225 {
226         if (padapter->dvobjpriv.inirp_init)
227                 padapter->dvobjpriv.inirp_init(padapter);
228 }
229 
230 static int r871x_resume(struct usb_interface *pusb_intf)
231 {
232         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
233         struct _adapter *padapter = netdev_priv(pnetdev);
234 
235         netdev_info(pnetdev,  "Resuming...\n");
236         if (!pnetdev || !netif_running(pnetdev)) {
237                 netdev_info(pnetdev, "Unable to resume\n");
238                 return 0;
239         }
240         netif_device_attach(pnetdev);
241         if (pnetdev->netdev_ops->ndo_open)
242                 pnetdev->netdev_ops->ndo_open(pnetdev);
243         padapter->bSuspended = false;
244         rtl871x_intf_resume(padapter);
245         return 0;
246 }
247 
248 static int r871x_reset_resume(struct usb_interface *pusb_intf)
249 {
250         /* dummy routine */
251         return 0;
252 }
253 
254 #endif
255 
256 static struct drv_priv drvpriv = {
257         .r871xu_drv.name = "r8712u",
258         .r871xu_drv.id_table = rtl871x_usb_id_tbl,
259         .r871xu_drv.probe = r871xu_drv_init,
260         .r871xu_drv.disconnect = r871xu_dev_remove,
261 #ifdef CONFIG_PM
262         .r871xu_drv.suspend = r871x_suspend,
263         .r871xu_drv.resume = r871x_resume,
264         .r871xu_drv.reset_resume = r871x_reset_resume,
265 #endif
266 };
267 
268 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
269 {
270         uint    status = _SUCCESS;
271         struct  usb_host_interface              *phost_iface;
272         struct  usb_interface_descriptor        *piface_desc;
273         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
274         struct usb_device *pusbd = pdvobjpriv->pusbdev;
275 
276         pdvobjpriv->padapter = padapter;
277         padapter->EepromAddressSize = 6;
278         phost_iface = &pintf->altsetting[0];
279         piface_desc = &phost_iface->desc;
280         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
281         if (pusbd->speed == USB_SPEED_HIGH) {
282                 pdvobjpriv->ishighspeed = true;
283                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
284                          pdvobjpriv->nr_endpoint);
285         } else {
286                 pdvobjpriv->ishighspeed = false;
287                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
288                          pdvobjpriv->nr_endpoint);
289         }
290         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
291                 status = _FAIL;
292         return status;
293 }
294 
295 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
296 {
297 }
298 
299 void rtl871x_intf_stop(struct _adapter *padapter)
300 {
301         /*disable_hw_interrupt*/
302         if (!padapter->bSurpriseRemoved) {
303                 /*device still exists, so driver can do i/o operation
304                  * TODO: */
305         }
306 
307         /* cancel in irp */
308         if (padapter->dvobjpriv.inirp_deinit)
309                 padapter->dvobjpriv.inirp_deinit(padapter);
310         /* cancel out irp */
311         r8712_usb_write_port_cancel(padapter);
312         /* TODO:cancel other irps */
313 }
314 
315 void r871x_dev_unload(struct _adapter *padapter)
316 {
317         if (padapter->bup) {
318                 /*s1.*/
319                 padapter->bDriverStopped = true;
320 
321                 /*s3.*/
322                 rtl871x_intf_stop(padapter);
323 
324                 /*s4.*/
325                 r8712_stop_drv_threads(padapter);
326 
327                 /*s5.*/
328                 if (!padapter->bSurpriseRemoved) {
329                         padapter->hw_init_completed = false;
330                         rtl8712_hal_deinit(padapter);
331                 }
332 
333                 /*s6.*/
334                 if (padapter->dvobj_deinit)
335                         padapter->dvobj_deinit(padapter);
336                 padapter->bup = false;
337         }
338 }
339 
340 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
341                                       struct _adapter *padapter)
342 {
343         u16 vid, pid;
344         u32 flags;
345         int i;
346         int num = ARRAY_SIZE(specific_device_id_tbl);
347 
348         for (i = 0; i < num; i++) {
349                 vid = specific_device_id_tbl[i].idVendor;
350                 pid = specific_device_id_tbl[i].idProduct;
351                 flags = specific_device_id_tbl[i].flags;
352 
353                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
354                     (flags & SPEC_DEV_ID_DISABLE_HT)) {
355                         padapter->registrypriv.ht_enable = 0;
356                         padapter->registrypriv.cbw40_enable = 0;
357                         padapter->registrypriv.ampdu_enable = 0;
358                 }
359         }
360 }
361 
362 static const struct device_type wlan_type = {
363         .name = "wlan",
364 };
365 
366 /*
367  * drv_init() - a device potentially for us
368  *
369  * notes: drv_init() is called when the bus driver has located a card for us
370  * to support. We accept the new device by returning 0.
371 */
372 static int r871xu_drv_init(struct usb_interface *pusb_intf,
373                            const struct usb_device_id *pdid)
374 {
375         uint status;
376         struct _adapter *padapter = NULL;
377         struct dvobj_priv *pdvobjpriv;
378         struct net_device *pnetdev;
379         struct usb_device *udev;
380 
381         /* In this probe function, O.S. will provide the usb interface pointer
382          * to driver. We have to increase the reference count of the usb device
383          * structure by using the usb_get_dev function.
384          */
385         udev = interface_to_usbdev(pusb_intf);
386         usb_get_dev(udev);
387         pintf = pusb_intf;
388         /* step 1. */
389         pnetdev = r8712_init_netdev();
390         if (!pnetdev)
391                 goto error;
392         padapter = netdev_priv(pnetdev);
393         disable_ht_for_spec_devid(pdid, padapter);
394         pdvobjpriv = &padapter->dvobjpriv;
395         pdvobjpriv->padapter = padapter;
396         padapter->dvobjpriv.pusbdev = udev;
397         padapter->pusb_intf = pusb_intf;
398         usb_set_intfdata(pusb_intf, pnetdev);
399         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
400         pnetdev->dev.type = &wlan_type;
401         /* step 2. */
402         padapter->dvobj_init = r8712_usb_dvobj_init;
403         padapter->dvobj_deinit = r8712_usb_dvobj_deinit;
404         padapter->halpriv.hal_bus_init = r8712_usb_hal_bus_init;
405         padapter->dvobjpriv.inirp_init = r8712_usb_inirp_init;
406         padapter->dvobjpriv.inirp_deinit = r8712_usb_inirp_deinit;
407         /* step 3.
408          * initialize the dvobj_priv
409          */
410         if (!padapter->dvobj_init) {
411                 goto error;
412         } else {
413                 status = padapter->dvobj_init(padapter);
414                 if (status != _SUCCESS)
415                         goto error;
416         }
417         /* step 4. */
418         status = r8712_init_drv_sw(padapter);
419         if (status == _FAIL)
420                 goto error;
421         /* step 5. read efuse/eeprom data and get mac_addr */
422         {
423                 int i, offset;
424                 u8 mac[6];
425                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
426                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
427 
428                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
429 
430                 /* To check system boot selection.*/
431                 dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
432                          (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
433                          (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
434 
435                 /* To check autoload success or not.*/
436                 if (tmpU1b & _EEPROM_EN) {
437                         AutoloadFail = true;
438                         /* The following operations prevent Efuse leakage by
439                          * turning on 2.5V.
440                          */
441                         tmpU1b = r8712_read8(padapter, EFUSE_TEST + 3);
442                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
443                         msleep(20);
444                         r8712_write8(padapter, EFUSE_TEST + 3,
445                                      (tmpU1b & (~BIT(7))));
446 
447                         /* Retrieve Chip version.
448                          * Recognize IC version by Reg0x4 BIT15.
449                          */
450                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
451                                                     0x1F);
452                         if (tmpU1b == 0x3)
453                                 padapter->registrypriv.chip_version =
454                                      RTL8712_3rdCUT;
455                         else
456                                 padapter->registrypriv.chip_version =
457                                      (tmpU1b >> 1) + 1;
458                         switch (padapter->registrypriv.chip_version) {
459                         case RTL8712_1stCUT:
460                         case RTL8712_2ndCUT:
461                         case RTL8712_3rdCUT:
462                                 break;
463                         default:
464                                 padapter->registrypriv.chip_version =
465                                      RTL8712_2ndCUT;
466                                 break;
467                         }
468 
469                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
470                                 r8712_efuse_pg_packet_read(padapter, offset,
471                                                      &pdata[i]);
472 
473                         if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
474                                 /* Use the mac address stored in the Efuse
475                                  * offset = 0x12 for usb in efuse
476                                  */
477                                 ether_addr_copy(mac, &pdata[0x12]);
478                         }
479                         eeprom_CustomerID = pdata[0x52];
480                         switch (eeprom_CustomerID) {
481                         case EEPROM_CID_ALPHA:
482                                 padapter->eeprompriv.CustomerID =
483                                                  RT_CID_819x_ALPHA;
484                                 break;
485                         case EEPROM_CID_CAMEO:
486                                 padapter->eeprompriv.CustomerID =
487                                                  RT_CID_819x_CAMEO;
488                                 break;
489                         case EEPROM_CID_SITECOM:
490                                 padapter->eeprompriv.CustomerID =
491                                                  RT_CID_819x_Sitecom;
492                                 break;
493                         case EEPROM_CID_COREGA:
494                                 padapter->eeprompriv.CustomerID =
495                                                  RT_CID_COREGA;
496                                 break;
497                         case EEPROM_CID_Senao:
498                                 padapter->eeprompriv.CustomerID =
499                                                  RT_CID_819x_Senao;
500                                 break;
501                         case EEPROM_CID_EDIMAX_BELKIN:
502                                 padapter->eeprompriv.CustomerID =
503                                                  RT_CID_819x_Edimax_Belkin;
504                                 break;
505                         case EEPROM_CID_SERCOMM_BELKIN:
506                                 padapter->eeprompriv.CustomerID =
507                                                  RT_CID_819x_Sercomm_Belkin;
508                                 break;
509                         case EEPROM_CID_WNC_COREGA:
510                                 padapter->eeprompriv.CustomerID =
511                                                  RT_CID_819x_WNC_COREGA;
512                                 break;
513                         case EEPROM_CID_WHQL:
514                                 break;
515                         case EEPROM_CID_NetCore:
516                                 padapter->eeprompriv.CustomerID =
517                                                  RT_CID_819x_Netcore;
518                                 break;
519                         case EEPROM_CID_CAMEO1:
520                                 padapter->eeprompriv.CustomerID =
521                                                  RT_CID_819x_CAMEO1;
522                                 break;
523                         case EEPROM_CID_CLEVO:
524                                 padapter->eeprompriv.CustomerID =
525                                                  RT_CID_819x_CLEVO;
526                                 break;
527                         default:
528                                 padapter->eeprompriv.CustomerID =
529                                                  RT_CID_DEFAULT;
530                                 break;
531                         }
532                         dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
533                                  padapter->eeprompriv.CustomerID);
534                         /* Led mode */
535                         switch (padapter->eeprompriv.CustomerID) {
536                         case RT_CID_DEFAULT:
537                         case RT_CID_819x_ALPHA:
538                         case RT_CID_819x_CAMEO:
539                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
540                                 padapter->ledpriv.bRegUseLed = true;
541                                 break;
542                         case RT_CID_819x_Sitecom:
543                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
544                                 padapter->ledpriv.bRegUseLed = true;
545                                 break;
546                         case RT_CID_COREGA:
547                         case RT_CID_819x_Senao:
548                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
549                                 padapter->ledpriv.bRegUseLed = true;
550                                 break;
551                         case RT_CID_819x_Edimax_Belkin:
552                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
553                                 padapter->ledpriv.bRegUseLed = true;
554                                 break;
555                         case RT_CID_819x_Sercomm_Belkin:
556                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
557                                 padapter->ledpriv.bRegUseLed = true;
558                                 break;
559                         case RT_CID_819x_WNC_COREGA:
560                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
561                                 padapter->ledpriv.bRegUseLed = true;
562                                 break;
563                         default:
564                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
565                                 padapter->ledpriv.bRegUseLed = false;
566                                 break;
567                         }
568                 } else {
569                         AutoloadFail = false;
570                 }
571                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
572                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
573                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
574                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
575                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
576                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
577                      (!AutoloadFail)) {
578                         mac[0] = 0x00;
579                         mac[1] = 0xe0;
580                         mac[2] = 0x4c;
581                         mac[3] = 0x87;
582                         mac[4] = 0x00;
583                         mac[5] = 0x00;
584                 }
585                 if (r8712_initmac) {
586                         /* Make sure the user did not select a multicast
587                          * address by setting bit 1 of first octet.
588                          */
589                         mac[0] &= 0xFE;
590                         dev_info(&udev->dev,
591                                 "r8712u: MAC Address from user = %pM\n", mac);
592                 } else
593                         dev_info(&udev->dev,
594                                 "r8712u: MAC Address from efuse = %pM\n", mac);
595                 ether_addr_copy(pnetdev->dev_addr, mac);
596         }
597         /* step 6. Load the firmware asynchronously */
598         if (rtl871x_load_fw(padapter))
599                 goto error;
600         spin_lock_init(&padapter->lockRxFF0Filter);
601         mutex_init(&padapter->mutex_start);
602         return 0;
603 error:
604         usb_put_dev(udev);
605         usb_set_intfdata(pusb_intf, NULL);
606         if (padapter && padapter->dvobj_deinit != NULL)
607                 padapter->dvobj_deinit(padapter);
608         if (pnetdev)
609                 free_netdev(pnetdev);
610         return -ENODEV;
611 }
612 
613 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
614  * => how to recognize both */
615 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
616 {
617         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
618         struct usb_device *udev = interface_to_usbdev(pusb_intf);
619 
620         if (pnetdev) {
621                 struct _adapter *padapter = netdev_priv(pnetdev);
622 
623                 usb_set_intfdata(pusb_intf, NULL);
624                 release_firmware(padapter->fw);
625                 /* never exit with a firmware callback pending */
626                 wait_for_completion(&padapter->rtl8712_fw_ready);
627                 if (drvpriv.drv_registered)
628                         padapter->bSurpriseRemoved = true;
629                 unregister_netdev(pnetdev); /* will call netdev_close() */
630                 flush_scheduled_work();
631                 udelay(1);
632                 /* Stop driver mlme relation timer */
633                 r8712_stop_drv_timers(padapter);
634                 r871x_dev_unload(padapter);
635                 r8712_free_drv_sw(padapter);
636 
637                 /* decrease the reference count of the usb device structure
638                  * when disconnect */
639                 usb_put_dev(udev);
640         }
641         /* If we didn't unplug usb dongle and remove/insert module, driver
642          * fails on sitesurvey for the first time when device is up.
643          * Reset usb port for sitesurvey fail issue. */
644         if (udev->state != USB_STATE_NOTATTACHED)
645                 usb_reset_device(udev);
646 }
647 
648 static int __init r8712u_drv_entry(void)
649 {
650         drvpriv.drv_registered = true;
651         return usb_register(&drvpriv.r871xu_drv);
652 }
653 
654 static void __exit r8712u_drv_halt(void)
655 {
656         drvpriv.drv_registered = false;
657         usb_deregister(&drvpriv.r871xu_drv);
658 }
659 
660 module_init(r8712u_drv_entry);
661 module_exit(r8712u_drv_halt);
662 

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