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_host_interface              *phost_iface;
 259         struct  usb_interface_descriptor        *piface_desc;
 260         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 261         struct usb_device *pusbd = pdvobjpriv->pusbdev;
 262
 263         pdvobjpriv->padapter = padapter;
 264         padapter->EepromAddressSize = 6;
 265         phost_iface = &pintf->altsetting[0];
 266         piface_desc = &phost_iface->desc;
 267         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 268         if (pusbd->speed == USB_SPEED_HIGH) {
 269                 pdvobjpriv->ishighspeed = true;
 270                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 271                          pdvobjpriv->nr_endpoint);
 272         } else {
 273                 pdvobjpriv->ishighspeed = false;
 274                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
 275                          pdvobjpriv->nr_endpoint);
 276         }
 277         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 278                 status = _FAIL;
 279         return status;
 280 }
 281
 282 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 283 {
 284 }
 285
 286 void rtl871x_intf_stop(struct _adapter *padapter)
 287 {
 288         /*disable_hw_interrupt*/
 289         if (!padapter->bSurpriseRemoved) {
 290                 /*device still exists, so driver can do i/o operation
 291                  * TODO: */
 292         }
 293
 294         /* cancel in irp */
 295         if (padapter->dvobjpriv.inirp_deinit)
 296                 padapter->dvobjpriv.inirp_deinit(padapter);
 297         /* cancel out irp */
 298         r8712_usb_write_port_cancel(padapter);
 299         /* TODO:cancel other irps */
 300 }
 301
 302 void r871x_dev_unload(struct _adapter *padapter)
 303 {
 304         if (padapter->bup == true) {
 305                 /*s1.*/
 306                 padapter->bDriverStopped = true;
 307
 308                 /*s3.*/
 309                 rtl871x_intf_stop(padapter);
 310
 311                 /*s4.*/
 312                 r8712_stop_drv_threads(padapter);
 313
 314                 /*s5.*/
 315                 if (!padapter->bSurpriseRemoved) {
 316                         padapter->hw_init_completed = false;
 317                         rtl8712_hal_deinit(padapter);
 318                 }
 319
 320                 /*s6.*/
 321                 if (padapter->dvobj_deinit)
 322                         padapter->dvobj_deinit(padapter);
 323                 padapter->bup = false;
 324         }
 325 }
 326
 327 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 328                                       struct _adapter *padapter)
 329 {
 330         u16 vid, pid;
 331         u32 flags;
 332         int i;
 333         int num = sizeof(specific_device_id_tbl) /
 334                   sizeof(struct specific_device_id);
 335
 336         for (i = 0; i < num; i++) {
 337                 vid = specific_device_id_tbl[i].idVendor;
 338                 pid = specific_device_id_tbl[i].idProduct;
 339                 flags = specific_device_id_tbl[i].flags;
 340
 341                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 342                     (flags&SPEC_DEV_ID_DISABLE_HT)) {
 343                         padapter->registrypriv.ht_enable = 0;
 344                         padapter->registrypriv.cbw40_enable = 0;
 345                         padapter->registrypriv.ampdu_enable = 0;
 346                 }
 347         }
 348 }
 349
 350 static const struct device_type wlan_type = {
 351         .name = "wlan",
 352 };
 353
 354 /*
 355  * drv_init() - a device potentially for us
 356  *
 357  * notes: drv_init() is called when the bus driver has located a card for us
 358  * to support. We accept the new device by returning 0.
 359 */
 360 static int r871xu_drv_init(struct usb_interface *pusb_intf,
 361                            const struct usb_device_id *pdid)
 362 {
 363         uint status;
 364         struct _adapter *padapter = NULL;
 365         struct dvobj_priv *pdvobjpriv;
 366         struct net_device *pnetdev;
 367         struct usb_device *udev;
 368
 369         /* In this probe function, O.S. will provide the usb interface pointer
 370          * to driver. We have to increase the reference count of the usb device
 371          * structure by using the usb_get_dev function.
 372          */
 373         udev = interface_to_usbdev(pusb_intf);
 374         usb_get_dev(udev);
 375         pintf = pusb_intf;
 376         /* step 1. */
 377         pnetdev = r8712_init_netdev();
 378         if (!pnetdev)
 379                 goto error;
 380         padapter = netdev_priv(pnetdev);
 381         disable_ht_for_spec_devid(pdid, padapter);
 382         pdvobjpriv = &padapter->dvobjpriv;
 383         pdvobjpriv->padapter = padapter;
 384         padapter->dvobjpriv.pusbdev = udev;
 385         padapter->pusb_intf = pusb_intf;
 386         usb_set_intfdata(pusb_intf, pnetdev);
 387         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 388         pnetdev->dev.type = &wlan_type;
 389         /* step 2. */
 390         padapter->dvobj_init = &r8712_usb_dvobj_init;
 391         padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 392         padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 393         padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 394         padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 395         /* step 3.
 396          * initialize the dvobj_priv
 397          */
 398         if (!padapter->dvobj_init)
 399                         goto error;
 400         else {
 401                 status = padapter->dvobj_init(padapter);
 402                 if (status != _SUCCESS)
 403                         goto error;
 404         }
 405         /* step 4. */
 406         status = r8712_init_drv_sw(padapter);
 407         if (status == _FAIL)
 408                 goto error;
 409         /* step 5. read efuse/eeprom data and get mac_addr */
 410         {
 411                 int i, offset;
 412                 u8 mac[6];
 413                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 414                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 415
 416                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 417
 418                 /* To check system boot selection.*/
 419                 dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
 420                          (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 421                          (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 422
 423                 /* To check autoload success or not.*/
 424                 if (tmpU1b & _EEPROM_EN) {
 425                         AutoloadFail = true;
 426                         /* The following operations prevent Efuse leakage by
 427                          * turning on 2.5V.
 428                          */
 429                         tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 430                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 431                         msleep(20);
 432                         r8712_write8(padapter, EFUSE_TEST + 3,
 433                                      (tmpU1b & (~BIT(7))));
 434
 435                         /* Retrieve Chip version.
 436                          * Recognize IC version by Reg0x4 BIT15.
 437                          */
 438                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 439                                                     0x1F);
 440                         if (tmpU1b == 0x3)
 441                                 padapter->registrypriv.chip_version =
 442                                      RTL8712_3rdCUT;
 443                         else
 444                                 padapter->registrypriv.chip_version =
 445                                      (tmpU1b >> 1) + 1;
 446                         switch (padapter->registrypriv.chip_version) {
 447                         case RTL8712_1stCUT:
 448                         case RTL8712_2ndCUT:
 449                         case RTL8712_3rdCUT:
 450                                 break;
 451                         default:
 452                                 padapter->registrypriv.chip_version =
 453                                      RTL8712_2ndCUT;
 454                                 break;
 455                         }
 456
 457                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 458                                 r8712_efuse_pg_packet_read(padapter, offset,
 459                                                      &pdata[i]);
 460
 461                         if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
 462                                 /* Use the mac address stored in the Efuse
 463                                  * offset = 0x12 for usb in efuse
 464                                  */
 465                                 ether_addr_copy(mac, &pdata[0x12]);
 466                         }
 467                         eeprom_CustomerID = pdata[0x52];
 468                         switch (eeprom_CustomerID) {
 469                         case EEPROM_CID_ALPHA:
 470                                 padapter->eeprompriv.CustomerID =
 471                                                  RT_CID_819x_ALPHA;
 472                                 break;
 473                         case EEPROM_CID_CAMEO:
 474                                 padapter->eeprompriv.CustomerID =
 475                                                  RT_CID_819x_CAMEO;
 476                                 break;
 477                         case EEPROM_CID_SITECOM:
 478                                 padapter->eeprompriv.CustomerID =
 479                                                  RT_CID_819x_Sitecom;
 480                                 break;
 481                         case EEPROM_CID_COREGA:
 482                                 padapter->eeprompriv.CustomerID =
 483                                                  RT_CID_COREGA;
 484                                 break;
 485                         case EEPROM_CID_Senao:
 486                                 padapter->eeprompriv.CustomerID =
 487                                                  RT_CID_819x_Senao;
 488                                 break;
 489                         case EEPROM_CID_EDIMAX_BELKIN:
 490                                 padapter->eeprompriv.CustomerID =
 491                                                  RT_CID_819x_Edimax_Belkin;
 492                                 break;
 493                         case EEPROM_CID_SERCOMM_BELKIN:
 494                                 padapter->eeprompriv.CustomerID =
 495                                                  RT_CID_819x_Sercomm_Belkin;
 496                                 break;
 497                         case EEPROM_CID_WNC_COREGA:
 498                                 padapter->eeprompriv.CustomerID =
 499                                                  RT_CID_819x_WNC_COREGA;
 500                                 break;
 501                         case EEPROM_CID_WHQL:
 502                                 break;
 503                         case EEPROM_CID_NetCore:
 504                                 padapter->eeprompriv.CustomerID =
 505                                                  RT_CID_819x_Netcore;
 506                                 break;
 507                         case EEPROM_CID_CAMEO1:
 508                                 padapter->eeprompriv.CustomerID =
 509                                                  RT_CID_819x_CAMEO1;
 510                                 break;
 511                         case EEPROM_CID_CLEVO:
 512                                 padapter->eeprompriv.CustomerID =
 513                                                  RT_CID_819x_CLEVO;
 514                                 break;
 515                         default:
 516                                 padapter->eeprompriv.CustomerID =
 517                                                  RT_CID_DEFAULT;
 518                                 break;
 519                         }
 520                         dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
 521                                  padapter->eeprompriv.CustomerID);
 522                         /* Led mode */
 523                         switch (padapter->eeprompriv.CustomerID) {
 524                         case RT_CID_DEFAULT:
 525                         case RT_CID_819x_ALPHA:
 526                         case RT_CID_819x_CAMEO:
 527                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 528                                 padapter->ledpriv.bRegUseLed = true;
 529                                 break;
 530                         case RT_CID_819x_Sitecom:
 531                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 532                                 padapter->ledpriv.bRegUseLed = true;
 533                                 break;
 534                         case RT_CID_COREGA:
 535                         case RT_CID_819x_Senao:
 536                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 537                                 padapter->ledpriv.bRegUseLed = true;
 538                                 break;
 539                         case RT_CID_819x_Edimax_Belkin:
 540                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 541                                 padapter->ledpriv.bRegUseLed = true;
 542                                 break;
 543                         case RT_CID_819x_Sercomm_Belkin:
 544                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 545                                 padapter->ledpriv.bRegUseLed = true;
 546                                 break;
 547                         case RT_CID_819x_WNC_COREGA:
 548                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 549                                 padapter->ledpriv.bRegUseLed = true;
 550                                 break;
 551                         default:
 552                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 553                                 padapter->ledpriv.bRegUseLed = false;
 554                                 break;
 555                         }
 556                 } else
 557                         AutoloadFail = false;
 558                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 559                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
 560                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 561                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 562                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
 563                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 564                      (!AutoloadFail)) {
 565                         mac[0] = 0x00;
 566                         mac[1] = 0xe0;
 567                         mac[2] = 0x4c;
 568                         mac[3] = 0x87;
 569                         mac[4] = 0x00;
 570                         mac[5] = 0x00;
 571                 }
 572                 if (r8712_initmac) {
 573                         /* Make sure the user did not select a multicast
 574                          * address by setting bit 1 of first octet.
 575                          */
 576                         mac[0] &= 0xFE;
 577                         dev_info(&udev->dev,
 578                                 "r8712u: MAC Address from user = %pM\n", mac);
 579                 } else
 580                         dev_info(&udev->dev,
 581                                 "r8712u: MAC Address from efuse = %pM\n", mac);
 582                 ether_addr_copy(pnetdev->dev_addr, mac);
 583         }
 584         /* step 6. Load the firmware asynchronously */
 585         if (rtl871x_load_fw(padapter))
 586                 goto error;
 587         spin_lock_init(&padapter->lockRxFF0Filter);
 588         mutex_init(&padapter->mutex_start);
 589         return 0;
 590 error:
 591         usb_put_dev(udev);
 592         usb_set_intfdata(pusb_intf, NULL);
 593         if (padapter && padapter->dvobj_deinit != NULL)
 594                 padapter->dvobj_deinit(padapter);
 595         if (pnetdev)
 596                 free_netdev(pnetdev);
 597         return -ENODEV;
 598 }
 599
 600 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 601  * => how to recognize both */
 602 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 603 {
 604         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 605         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 606
 607         if (pnetdev) {
 608                 struct _adapter *padapter = netdev_priv(pnetdev);
 609
 610                 usb_set_intfdata(pusb_intf, NULL);
 611                 release_firmware(padapter->fw);
 612                 /* never exit with a firmware callback pending */
 613                 wait_for_completion(&padapter->rtl8712_fw_ready);
 614                 if (drvpriv.drv_registered == true)
 615                         padapter->bSurpriseRemoved = true;
 616                 unregister_netdev(pnetdev); /* will call netdev_close() */
 617                 flush_scheduled_work();
 618                 udelay(1);
 619                 /* Stop driver mlme relation timer */
 620                 r8712_stop_drv_timers(padapter);
 621                 r871x_dev_unload(padapter);
 622                 r8712_free_drv_sw(padapter);
 623
 624                 /* decrease the reference count of the usb device structure
 625                  * when disconnect */
 626                 usb_put_dev(udev);
 627         }
 628         /* If we didn't unplug usb dongle and remove/insert module, driver
 629          * fails on sitesurvey for the first time when device is up.
 630          * Reset usb port for sitesurvey fail issue. */
 631         if (udev->state != USB_STATE_NOTATTACHED)
 632                 usb_reset_device(udev);
 633 }
 634
 635 static int __init r8712u_drv_entry(void)
 636 {
 637         drvpriv.drv_registered = true;
 638         return usb_register(&drvpriv.r871xu_drv);
 639 }
 640
 641 static void __exit r8712u_drv_halt(void)
 642 {
 643         drvpriv.drv_registered = false;
 644         usb_deregister(&drvpriv.r871xu_drv);
 645 }
 646
 647 module_init(r8712u_drv_entry);
 648 module_exit(r8712u_drv_halt);