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, 0x0064)},
 148         /* Skyworth */
 149         {USB_DEVICE(0x14b2, 0x3300)},
 150         {USB_DEVICE(0x14b2, 0x3301)},
 151         {USB_DEVICE(0x14B2, 0x3302)},
 152         /* - */
 153         {USB_DEVICE(0x04F2, 0xAFF2)},
 154         {USB_DEVICE(0x04F2, 0xAFF5)},
 155         {USB_DEVICE(0x04F2, 0xAFF6)},
 156         {USB_DEVICE(0x13D3, 0x3339)},
 157         {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
 158         {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
 159         {USB_DEVICE(0x13D3, 0x3310)},
 160         {USB_DEVICE(0x13D3, 0x3325)},
 161
 162 /* RTL8192SU */
 163         /* Realtek */
 164         {USB_DEVICE(0x0BDA, 0x8174)},
 165         /* Belkin */
 166         {USB_DEVICE(0x050D, 0x845A)},
 167         /* Corega */
 168         {USB_DEVICE(0x07AA, 0x0051)},
 169         /* Edimax */
 170         {USB_DEVICE(0x7392, 0x7622)},
 171         /* NEC */
 172         {USB_DEVICE(0x0409, 0x02B6)},
 173         {}
 174 };
 175
 176 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 177
 178 static struct specific_device_id specific_device_id_tbl[] = {
 179         {.idVendor = 0x0b05, .idProduct = 0x1791,
 180                  .flags = SPEC_DEV_ID_DISABLE_HT},
 181         {.idVendor = 0x0df6, .idProduct = 0x0059,
 182                  .flags = SPEC_DEV_ID_DISABLE_HT},
 183         {.idVendor = 0x13d3, .idProduct = 0x3306,
 184                  .flags = SPEC_DEV_ID_DISABLE_HT},
 185         {.idVendor = 0x13D3, .idProduct = 0x3311,
 186                  .flags = SPEC_DEV_ID_DISABLE_HT},
 187         {.idVendor = 0x13d3, .idProduct = 0x3335,
 188                  .flags = SPEC_DEV_ID_DISABLE_HT},
 189         {.idVendor = 0x13d3, .idProduct = 0x3336,
 190                  .flags = SPEC_DEV_ID_DISABLE_HT},
 191         {.idVendor = 0x13d3, .idProduct = 0x3340,
 192                  .flags = SPEC_DEV_ID_DISABLE_HT},
 193         {.idVendor = 0x13d3, .idProduct = 0x3341,
 194                  .flags = SPEC_DEV_ID_DISABLE_HT},
 195         {}
 196 };
 197
 198 struct drv_priv {
 199         struct usb_driver r871xu_drv;
 200         int drv_registered;
 201 };
 202
 203 #ifdef CONFIG_PM
 204 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
 205 {
 206         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 207
 208         netdev_info(pnetdev, "Suspending...\n");
 209         if (!pnetdev || !netif_running(pnetdev)) {
 210                 netdev_info(pnetdev, "Unable to suspend\n");
 211                 return 0;
 212         }
 213         if (pnetdev->netdev_ops->ndo_stop)
 214                 pnetdev->netdev_ops->ndo_stop(pnetdev);
 215         mdelay(10);
 216         netif_device_detach(pnetdev);
 217         return 0;
 218 }
 219
 220 static int r871x_resume(struct usb_interface *pusb_intf)
 221 {
 222         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 223
 224         netdev_info(pnetdev,  "Resuming...\n");
 225         if (!pnetdev || !netif_running(pnetdev)) {
 226                 netdev_info(pnetdev, "Unable to resume\n");
 227                 return 0;
 228         }
 229         netif_device_attach(pnetdev);
 230         if (pnetdev->netdev_ops->ndo_open)
 231                 pnetdev->netdev_ops->ndo_open(pnetdev);
 232         return 0;
 233 }
 234
 235 static int r871x_reset_resume(struct usb_interface *pusb_intf)
 236 {
 237         /* dummy routine */
 238         return 0;
 239 }
 240
 241 #endif
 242
 243 static struct drv_priv drvpriv = {
 244         .r871xu_drv.name = "r8712u",
 245         .r871xu_drv.id_table = rtl871x_usb_id_tbl,
 246         .r871xu_drv.probe = r871xu_drv_init,
 247         .r871xu_drv.disconnect = r871xu_dev_remove,
 248 #ifdef CONFIG_PM
 249         .r871xu_drv.suspend = r871x_suspend,
 250         .r871xu_drv.resume = r871x_resume,
 251         .r871xu_drv.reset_resume = r871x_reset_resume,
 252 #endif
 253 };
 254
 255 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
 256 {
 257         uint    status = _SUCCESS;
 258         struct  usb_device_descriptor           *pdev_desc;
 259         struct  usb_host_config                 *phost_conf;
 260         struct  usb_config_descriptor           *pconf_desc;
 261         struct  usb_host_interface              *phost_iface;
 262         struct  usb_interface_descriptor        *piface_desc;
 263         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 264         struct usb_device *pusbd = pdvobjpriv->pusbdev;
 265
 266         pdvobjpriv->padapter = padapter;
 267         padapter->EepromAddressSize = 6;
 268         pdev_desc = &pusbd->descriptor;
 269         phost_conf = pusbd->actconfig;
 270         pconf_desc = &phost_conf->desc;
 271         phost_iface = &pintf->altsetting[0];
 272         piface_desc = &phost_iface->desc;
 273         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 274         if (pusbd->speed == USB_SPEED_HIGH) {
 275                 pdvobjpriv->ishighspeed = true;
 276                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 277                          pdvobjpriv->nr_endpoint);
 278         } else {
 279                 pdvobjpriv->ishighspeed = false;
 280                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
 281                          pdvobjpriv->nr_endpoint);
 282         }
 283         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 284                 status = _FAIL;
 285         return status;
 286 }
 287
 288 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 289 {
 290 }
 291
 292 void rtl871x_intf_stop(struct _adapter *padapter)
 293 {
 294         /*disable_hw_interrupt*/
 295         if (padapter->bSurpriseRemoved == false) {
 296                 /*device still exists, so driver can do i/o operation
 297                  * TODO: */
 298         }
 299
 300         /* cancel in irp */
 301         if (padapter->dvobjpriv.inirp_deinit != NULL)
 302                 padapter->dvobjpriv.inirp_deinit(padapter);
 303         /* cancel out irp */
 304         r8712_usb_write_port_cancel(padapter);
 305         /* TODO:cancel other irps */
 306 }
 307
 308 void r871x_dev_unload(struct _adapter *padapter)
 309 {
 310         if (padapter->bup == true) {
 311                 /*s1.*/
 312                 padapter->bDriverStopped = true;
 313
 314                 /*s3.*/
 315                 rtl871x_intf_stop(padapter);
 316
 317                 /*s4.*/
 318                 r8712_stop_drv_threads(padapter);
 319
 320                 /*s5.*/
 321                 if (padapter->bSurpriseRemoved == false) {
 322                         padapter->hw_init_completed = false;
 323                         rtl8712_hal_deinit(padapter);
 324                 }
 325
 326                 /*s6.*/
 327                 if (padapter->dvobj_deinit)
 328                         padapter->dvobj_deinit(padapter);
 329                 padapter->bup = false;
 330         }
 331 }
 332
 333 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 334                                       struct _adapter *padapter)
 335 {
 336         u16 vid, pid;
 337         u32 flags;
 338         int i;
 339         int num = sizeof(specific_device_id_tbl) /
 340                   sizeof(struct specific_device_id);
 341
 342         for (i = 0; i < num; i++) {
 343                 vid = specific_device_id_tbl[i].idVendor;
 344                 pid = specific_device_id_tbl[i].idProduct;
 345                 flags = specific_device_id_tbl[i].flags;
 346
 347                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 348                     (flags&SPEC_DEV_ID_DISABLE_HT)) {
 349                         padapter->registrypriv.ht_enable = 0;
 350                         padapter->registrypriv.cbw40_enable = 0;
 351                         padapter->registrypriv.ampdu_enable = 0;
 352                 }
 353         }
 354 }
 355
 356 static const struct device_type wlan_type = {
 357         .name = "wlan",
 358 };
 359
 360 /*
 361  * drv_init() - a device potentially for us
 362  *
 363  * notes: drv_init() is called when the bus driver has located a card for us
 364  * to support. We accept the new device by returning 0.
 365 */
 366 static int r871xu_drv_init(struct usb_interface *pusb_intf,
 367                            const struct usb_device_id *pdid)
 368 {
 369         uint status;
 370         struct _adapter *padapter = NULL;
 371         struct dvobj_priv *pdvobjpriv;
 372         struct net_device *pnetdev;
 373         struct usb_device *udev;
 374
 375         printk(KERN_INFO "r8712u: Staging version\n");
 376         /* In this probe function, O.S. will provide the usb interface pointer
 377          * to driver. We have to increase the reference count of the usb device
 378          * structure by using the usb_get_dev function.
 379          */
 380         udev = interface_to_usbdev(pusb_intf);
 381         usb_get_dev(udev);
 382         pintf = pusb_intf;
 383         /* step 1. */
 384         pnetdev = r8712_init_netdev();
 385         if (!pnetdev)
 386                 goto error;
 387         padapter = netdev_priv(pnetdev);
 388         disable_ht_for_spec_devid(pdid, padapter);
 389         pdvobjpriv = &padapter->dvobjpriv;
 390         pdvobjpriv->padapter = padapter;
 391         padapter->dvobjpriv.pusbdev = udev;
 392         padapter->pusb_intf = pusb_intf;
 393         usb_set_intfdata(pusb_intf, pnetdev);
 394         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 395         pnetdev->dev.type = &wlan_type;
 396         /* step 2. */
 397         padapter->dvobj_init = &r8712_usb_dvobj_init;
 398         padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 399         padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 400         padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 401         padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 402         /* step 3.
 403          * initialize the dvobj_priv
 404          */
 405         if (padapter->dvobj_init == NULL)
 406                         goto error;
 407         else {
 408                 status = padapter->dvobj_init(padapter);
 409                 if (status != _SUCCESS)
 410                         goto error;
 411         }
 412         /* step 4. */
 413         status = r8712_init_drv_sw(padapter);
 414         if (status == _FAIL)
 415                 goto error;
 416         /* step 5. read efuse/eeprom data and get mac_addr */
 417         {
 418                 int i, offset;
 419                 u8 mac[6];
 420                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 421                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 422
 423                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 424
 425                 /* To check system boot selection.*/
 426                 dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
 427                          (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 428                          (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 429
 430                 /* To check autoload success or not.*/
 431                 if (tmpU1b & _EEPROM_EN) {
 432                         AutoloadFail = true;
 433                         /* The following operations prevent Efuse leakage by
 434                          * turning on 2.5V.
 435                          */
 436                         tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 437                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 438                         msleep(20);
 439                         r8712_write8(padapter, EFUSE_TEST + 3,
 440                                      (tmpU1b & (~BIT(7))));
 441
 442                         /* Retrieve Chip version.
 443                          * Recognize IC version by Reg0x4 BIT15.
 444                          */
 445                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 446                                                     0x1F);
 447                         if (tmpU1b == 0x3)
 448                                 padapter->registrypriv.chip_version =
 449                                      RTL8712_3rdCUT;
 450                         else
 451                                 padapter->registrypriv.chip_version =
 452                                      (tmpU1b >> 1) + 1;
 453                         switch (padapter->registrypriv.chip_version) {
 454                         case RTL8712_1stCUT:
 455                         case RTL8712_2ndCUT:
 456                         case RTL8712_3rdCUT:
 457                                 break;
 458                         default:
 459                                 padapter->registrypriv.chip_version =
 460                                      RTL8712_2ndCUT;
 461                                 break;
 462                         }
 463
 464                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 465                                 r8712_efuse_pg_packet_read(padapter, offset,
 466                                                      &pdata[i]);
 467
 468                         if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
 469                                 /* Use the mac address stored in the Efuse
 470                                  * offset = 0x12 for usb in efuse
 471                                  */
 472                                 memcpy(mac, &pdata[0x12], ETH_ALEN);
 473                         }
 474                         eeprom_CustomerID = pdata[0x52];
 475                         switch (eeprom_CustomerID) {
 476                         case EEPROM_CID_ALPHA:
 477                                 padapter->eeprompriv.CustomerID =
 478                                                  RT_CID_819x_ALPHA;
 479                                 break;
 480                         case EEPROM_CID_CAMEO:
 481                                 padapter->eeprompriv.CustomerID =
 482                                                  RT_CID_819x_CAMEO;
 483                                 break;
 484                         case EEPROM_CID_SITECOM:
 485                                 padapter->eeprompriv.CustomerID =
 486                                                  RT_CID_819x_Sitecom;
 487                                 break;
 488                         case EEPROM_CID_COREGA:
 489                                 padapter->eeprompriv.CustomerID =
 490                                                  RT_CID_COREGA;
 491                                 break;
 492                         case EEPROM_CID_Senao:
 493                                 padapter->eeprompriv.CustomerID =
 494                                                  RT_CID_819x_Senao;
 495                                 break;
 496                         case EEPROM_CID_EDIMAX_BELKIN:
 497                                 padapter->eeprompriv.CustomerID =
 498                                                  RT_CID_819x_Edimax_Belkin;
 499                                 break;
 500                         case EEPROM_CID_SERCOMM_BELKIN:
 501                                 padapter->eeprompriv.CustomerID =
 502                                                  RT_CID_819x_Sercomm_Belkin;
 503                                 break;
 504                         case EEPROM_CID_WNC_COREGA:
 505                                 padapter->eeprompriv.CustomerID =
 506                                                  RT_CID_819x_WNC_COREGA;
 507                                 break;
 508                         case EEPROM_CID_WHQL:
 509                                 break;
 510                         case EEPROM_CID_NetCore:
 511                                 padapter->eeprompriv.CustomerID =
 512                                                  RT_CID_819x_Netcore;
 513                                 break;
 514                         case EEPROM_CID_CAMEO1:
 515                                 padapter->eeprompriv.CustomerID =
 516                                                  RT_CID_819x_CAMEO1;
 517                                 break;
 518                         case EEPROM_CID_CLEVO:
 519                                 padapter->eeprompriv.CustomerID =
 520                                                  RT_CID_819x_CLEVO;
 521                                 break;
 522                         default:
 523                                 padapter->eeprompriv.CustomerID =
 524                                                  RT_CID_DEFAULT;
 525                                 break;
 526                         }
 527                         dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
 528                                  padapter->eeprompriv.CustomerID);
 529                         /* Led mode */
 530                         switch (padapter->eeprompriv.CustomerID) {
 531                         case RT_CID_DEFAULT:
 532                         case RT_CID_819x_ALPHA:
 533                         case RT_CID_819x_CAMEO:
 534                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 535                                 padapter->ledpriv.bRegUseLed = true;
 536                                 break;
 537                         case RT_CID_819x_Sitecom:
 538                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 539                                 padapter->ledpriv.bRegUseLed = true;
 540                                 break;
 541                         case RT_CID_COREGA:
 542                         case RT_CID_819x_Senao:
 543                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 544                                 padapter->ledpriv.bRegUseLed = true;
 545                                 break;
 546                         case RT_CID_819x_Edimax_Belkin:
 547                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 548                                 padapter->ledpriv.bRegUseLed = true;
 549                                 break;
 550                         case RT_CID_819x_Sercomm_Belkin:
 551                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 552                                 padapter->ledpriv.bRegUseLed = true;
 553                                 break;
 554                         case RT_CID_819x_WNC_COREGA:
 555                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 556                                 padapter->ledpriv.bRegUseLed = true;
 557                                 break;
 558                         default:
 559                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 560                                 padapter->ledpriv.bRegUseLed = false;
 561                                 break;
 562                         }
 563                 } else
 564                         AutoloadFail = false;
 565                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 566                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
 567                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 568                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 569                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
 570                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 571                      (AutoloadFail == false)) {
 572                         mac[0] = 0x00;
 573                         mac[1] = 0xe0;
 574                         mac[2] = 0x4c;
 575                         mac[3] = 0x87;
 576                         mac[4] = 0x00;
 577                         mac[5] = 0x00;
 578                 }
 579                 if (r8712_initmac) {
 580                         /* Make sure the user did not select a multicast
 581                          * address by setting bit 1 of first octet.
 582                          */
 583                         mac[0] &= 0xFE;
 584                         dev_info(&udev->dev,
 585                                 "r8712u: MAC Address from user = %pM\n", mac);
 586                 } else
 587                         dev_info(&udev->dev,
 588                                 "r8712u: MAC Address from efuse = %pM\n", mac);
 589                 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 590         }
 591         /* step 6. Load the firmware asynchronously */
 592         if (rtl871x_load_fw(padapter))
 593                 goto error;
 594         spin_lock_init(&padapter->lockRxFF0Filter);
 595         mutex_init(&padapter->mutex_start);
 596         return 0;
 597 error:
 598         usb_put_dev(udev);
 599         usb_set_intfdata(pusb_intf, NULL);
 600         if (padapter && padapter->dvobj_deinit != NULL)
 601                 padapter->dvobj_deinit(padapter);
 602         if (pnetdev)
 603                 free_netdev(pnetdev);
 604         return -ENODEV;
 605 }
 606
 607 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 608  * => how to recognize both */
 609 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 610 {
 611         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 612         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 613
 614         if (pnetdev) {
 615                 struct _adapter *padapter = netdev_priv(pnetdev);
 616
 617                 usb_set_intfdata(pusb_intf, NULL);
 618                 release_firmware(padapter->fw);
 619                 /* never exit with a firmware callback pending */
 620                 wait_for_completion(&padapter->rtl8712_fw_ready);
 621                 if (drvpriv.drv_registered == true)
 622                         padapter->bSurpriseRemoved = true;
 623                 unregister_netdev(pnetdev); /* will call netdev_close() */
 624                 flush_scheduled_work();
 625                 udelay(1);
 626                 /* Stop driver mlme relation timer */
 627                 r8712_stop_drv_timers(padapter);
 628                 r871x_dev_unload(padapter);
 629                 r8712_free_drv_sw(padapter);
 630
 631                 /* decrease the reference count of the usb device structure
 632                  * when disconnect */
 633                 usb_put_dev(udev);
 634         }
 635         /* If we didn't unplug usb dongle and remove/insert module, driver
 636          * fails on sitesurvey for the first time when device is up.
 637          * Reset usb port for sitesurvey fail issue. */
 638         if (udev->state != USB_STATE_NOTATTACHED)
 639                 usb_reset_device(udev);
 640 }
 641
 642 static int __init r8712u_drv_entry(void)
 643 {
 644         drvpriv.drv_registered = true;
 645         return usb_register(&drvpriv.r871xu_drv);
 646 }
 647
 648 static void __exit r8712u_drv_halt(void)
 649 {
 650         drvpriv.drv_registered = false;
 651         usb_deregister(&drvpriv.r871xu_drv);
 652 }
 653
 654 module_init(r8712u_drv_entry);
 655 module_exit(r8712u_drv_halt);