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
  34 #include "osdep_service.h"
  35 #include "drv_types.h"
  36 #include "recv_osdep.h"
  37 #include "xmit_osdep.h"
  38 #include "rtl8712_efuse.h"
  39 #include "usb_vendor_req.h"
  40 #include "usb_ops.h"
  41 #include "usb_osintf.h"
  42
  43 #define DRVER  "v7_0.20100831"
  44
  45 static struct usb_interface *pintf;
  46
  47 static int r871xu_drv_init(struct usb_interface *pusb_intf,
  48                            const struct usb_device_id *pdid);
  49
  50 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
  51
  52 static struct usb_device_id rtl871x_usb_id_tbl[] = {
  53
  54 /* RTL8188SU */
  55         /* Realtek */
  56         {USB_DEVICE(0x0BDA, 0x8171)},
  57         {USB_DEVICE(0x0bda, 0x8173)},
  58         {USB_DEVICE(0x0bda, 0x8712)},
  59         {USB_DEVICE(0x0bda, 0x8713)},
  60         {USB_DEVICE(0x0bda, 0xC512)},
  61         /* Abocom */
  62         {USB_DEVICE(0x07B8, 0x8188)},
  63         /* ASUS */
  64         {USB_DEVICE(0x0B05, 0x1786)},
  65         {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
  66         /* Belkin */
  67         {USB_DEVICE(0x050D, 0x945A)},
  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, 0x005D)},
  93         {USB_DEVICE(0x0DF6, 0x0063)},
  94         /* Sweex */
  95         {USB_DEVICE(0x177F, 0x0154)},
  96         /* Thinkware */
  97         {USB_DEVICE(0x0BDA, 0x5077)},
  98         /* Toshiba */
  99         {USB_DEVICE(0x1690, 0x0752)},
 100         /* - */
 101         {USB_DEVICE(0x20F4, 0x646B)},
 102         {USB_DEVICE(0x083A, 0xC512)},
 103
 104 /* RTL8191SU */
 105         /* Realtek */
 106         {USB_DEVICE(0x0BDA, 0x8172)},
 107         /* Amigo */
 108         {USB_DEVICE(0x0EB0, 0x9061)},
 109         /* ASUS/EKB */
 110         {USB_DEVICE(0x0BDA, 0x8172)},
 111         {USB_DEVICE(0x13D3, 0x3323)},
 112         {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
 113         {USB_DEVICE(0x13D3, 0x3342)},
 114         /* ASUS/EKBLenovo */
 115         {USB_DEVICE(0x13D3, 0x3333)},
 116         {USB_DEVICE(0x13D3, 0x3334)},
 117         {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
 118         {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
 119         /* ASUS/Media BOX */
 120         {USB_DEVICE(0x13D3, 0x3309)},
 121         /* Belkin */
 122         {USB_DEVICE(0x050D, 0x815F)},
 123         /* D-Link */
 124         {USB_DEVICE(0x07D1, 0x3302)},
 125         {USB_DEVICE(0x07D1, 0x3300)},
 126         {USB_DEVICE(0x07D1, 0x3303)},
 127         /* Edimax */
 128         {USB_DEVICE(0x7392, 0x7612)},
 129         /* EnGenius */
 130         {USB_DEVICE(0x1740, 0x9605)},
 131         /* Guillemot */
 132         {USB_DEVICE(0x06F8, 0xE031)},
 133         /* Hawking */
 134         {USB_DEVICE(0x0E66, 0x0015)},
 135         /* Mediao */
 136         {USB_DEVICE(0x13D3, 0x3306)},
 137         /* PCI */
 138         {USB_DEVICE(0x2019, 0xED18)},
 139         {USB_DEVICE(0x2019, 0x4901)},
 140         /* Sitecom */
 141         {USB_DEVICE(0x0DF6, 0x0058)},
 142         {USB_DEVICE(0x0DF6, 0x0049)},
 143         {USB_DEVICE(0x0DF6, 0x004C)},
 144         {USB_DEVICE(0x0DF6, 0x0064)},
 145         /* Skyworth */
 146         {USB_DEVICE(0x14b2, 0x3300)},
 147         {USB_DEVICE(0x14b2, 0x3301)},
 148         {USB_DEVICE(0x14B2, 0x3302)},
 149         /* - */
 150         {USB_DEVICE(0x04F2, 0xAFF2)},
 151         {USB_DEVICE(0x04F2, 0xAFF5)},
 152         {USB_DEVICE(0x04F2, 0xAFF6)},
 153         {USB_DEVICE(0x13D3, 0x3339)},
 154         {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
 155         {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
 156         {USB_DEVICE(0x13D3, 0x3310)},
 157         {USB_DEVICE(0x13D3, 0x3325)},
 158
 159 /* RTL8192SU */
 160         /* Realtek */
 161         {USB_DEVICE(0x0BDA, 0x8174)},
 162         {USB_DEVICE(0x0BDA, 0x8174)},
 163         /* Belkin */
 164         {USB_DEVICE(0x050D, 0x845A)},
 165         /* Corega */
 166         {USB_DEVICE(0x07AA, 0x0051)},
 167         /* Edimax */
 168         {USB_DEVICE(0x7392, 0x7622)},
 169         /* NEC */
 170         {USB_DEVICE(0x0409, 0x02B6)},
 171         {}
 172 };
 173
 174 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 175
 176 static struct specific_device_id specific_device_id_tbl[] = {
 177         {.idVendor = 0x0b05, .idProduct = 0x1791,
 178                  .flags = SPEC_DEV_ID_DISABLE_HT},
 179         {.idVendor = 0x0df6, .idProduct = 0x0059,
 180                  .flags = SPEC_DEV_ID_DISABLE_HT},
 181         {.idVendor = 0x13d3, .idProduct = 0x3306,
 182                  .flags = SPEC_DEV_ID_DISABLE_HT},
 183         {.idVendor = 0x13D3, .idProduct = 0x3311,
 184                  .flags = SPEC_DEV_ID_DISABLE_HT},
 185         {.idVendor = 0x13d3, .idProduct = 0x3335,
 186                  .flags = SPEC_DEV_ID_DISABLE_HT},
 187         {.idVendor = 0x13d3, .idProduct = 0x3336,
 188                  .flags = SPEC_DEV_ID_DISABLE_HT},
 189         {.idVendor = 0x13d3, .idProduct = 0x3340,
 190                  .flags = SPEC_DEV_ID_DISABLE_HT},
 191         {.idVendor = 0x13d3, .idProduct = 0x3341,
 192                  .flags = SPEC_DEV_ID_DISABLE_HT},
 193         {}
 194 };
 195
 196 struct drv_priv {
 197         struct usb_driver r871xu_drv;
 198         int drv_registered;
 199 };
 200
 201 #ifdef CONFIG_PM
 202 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
 203 {
 204         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 205
 206         printk(KERN_INFO "r8712: suspending...\n");
 207         if (!pnetdev || !netif_running(pnetdev)) {
 208                 printk(KERN_INFO "r8712: unable to suspend\n");
 209                 return 0;
 210         }
 211         if (pnetdev->netdev_ops->ndo_stop)
 212                 pnetdev->netdev_ops->ndo_stop(pnetdev);
 213         mdelay(10);
 214         netif_device_detach(pnetdev);
 215         return 0;
 216 }
 217
 218 static int r871x_resume(struct usb_interface *pusb_intf)
 219 {
 220         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 221
 222         printk(KERN_INFO "r8712: resuming...\n");
 223         if (!pnetdev || !netif_running(pnetdev)) {
 224                 printk(KERN_INFO "r8712: unable to resume\n");
 225                 return 0;
 226         }
 227         netif_device_attach(pnetdev);
 228         if (pnetdev->netdev_ops->ndo_open)
 229                 pnetdev->netdev_ops->ndo_open(pnetdev);
 230         return 0;
 231 }
 232
 233 static int r871x_reset_resume(struct usb_interface *pusb_intf)
 234 {
 235         /* dummy routine */
 236         return 0;
 237 }
 238
 239 #endif
 240
 241 static struct drv_priv drvpriv = {
 242         .r871xu_drv.name = "r8712u",
 243         .r871xu_drv.id_table = rtl871x_usb_id_tbl,
 244         .r871xu_drv.probe = r871xu_drv_init,
 245         .r871xu_drv.disconnect = r871xu_dev_remove,
 246 #ifdef CONFIG_PM
 247         .r871xu_drv.suspend = r871x_suspend,
 248         .r871xu_drv.resume = r871x_resume,
 249         .r871xu_drv.reset_resume = r871x_reset_resume,
 250 #endif
 251 };
 252
 253 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
 254 {
 255         uint    status = _SUCCESS;
 256         struct  usb_device_descriptor           *pdev_desc;
 257         struct  usb_host_config                 *phost_conf;
 258         struct  usb_config_descriptor           *pconf_desc;
 259         struct  usb_host_interface              *phost_iface;
 260         struct  usb_interface_descriptor        *piface_desc;
 261         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 262         struct usb_device *pusbd = pdvobjpriv->pusbdev;
 263
 264         pdvobjpriv->padapter = padapter;
 265         padapter->EepromAddressSize = 6;
 266         pdev_desc = &pusbd->descriptor;
 267         phost_conf = pusbd->actconfig;
 268         pconf_desc = &phost_conf->desc;
 269         phost_iface = &pintf->altsetting[0];
 270         piface_desc = &phost_iface->desc;
 271         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 272         if (pusbd->speed == USB_SPEED_HIGH) {
 273                 pdvobjpriv->ishighspeed = true;
 274                 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 275                        pdvobjpriv->nr_endpoint);
 276         } else {
 277                 pdvobjpriv->ishighspeed = false;
 278                 printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
 279                        pdvobjpriv->nr_endpoint);
 280         }
 281         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 282                 status = _FAIL;
 283         sema_init(&(padapter->dvobjpriv.usb_suspend_sema), 0);
 284         return status;
 285 }
 286
 287 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 288 {
 289 }
 290
 291 void rtl871x_intf_stop(struct _adapter *padapter)
 292 {
 293         /*disable_hw_interrupt*/
 294         if (padapter->bSurpriseRemoved == false) {
 295                 /*device still exists, so driver can do i/o operation
 296                  * TODO: */
 297         }
 298
 299         /* cancel in irp */
 300         if (padapter->dvobjpriv.inirp_deinit != NULL)
 301                 padapter->dvobjpriv.inirp_deinit(padapter);
 302         /* cancel out irp */
 303         r8712_usb_write_port_cancel(padapter);
 304         /* TODO:cancel other irps */
 305 }
 306
 307 void r871x_dev_unload(struct _adapter *padapter)
 308 {
 309         if (padapter->bup == true) {
 310                 /*s1.*/
 311                 padapter->bDriverStopped = true;
 312
 313                 /*s3.*/
 314                 rtl871x_intf_stop(padapter);
 315
 316                 /*s4.*/
 317                 r8712_stop_drv_threads(padapter);
 318
 319                 /*s5.*/
 320                 if (padapter->bSurpriseRemoved == false) {
 321                         padapter->hw_init_completed = false;
 322                         rtl8712_hal_deinit(padapter);
 323                 }
 324
 325                 /*s6.*/
 326                 if (padapter->dvobj_deinit)
 327                         padapter->dvobj_deinit(padapter);
 328                 padapter->bup = false;
 329         }
 330 }
 331
 332 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 333                                       struct _adapter *padapter)
 334 {
 335         u16 vid, pid;
 336         u32 flags;
 337         int i;
 338         int num = sizeof(specific_device_id_tbl) /
 339                   sizeof(struct specific_device_id);
 340
 341         for (i = 0; i < num; i++) {
 342                 vid = specific_device_id_tbl[i].idVendor;
 343                 pid = specific_device_id_tbl[i].idProduct;
 344                 flags = specific_device_id_tbl[i].flags;
 345
 346                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 347                     (flags&SPEC_DEV_ID_DISABLE_HT)) {
 348                         padapter->registrypriv.ht_enable = 0;
 349                         padapter->registrypriv.cbw40_enable = 0;
 350                         padapter->registrypriv.ampdu_enable = 0;
 351                 }
 352         }
 353 }
 354
 355 static u8 key_2char2num(u8 hch, u8 lch)
 356 {
 357         return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
 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: DriverVersion: %s\n", DRVER);
 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         usb_set_intfdata(pusb_intf, pnetdev);
 393         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 394         /* step 2. */
 395         padapter->dvobj_init = &r8712_usb_dvobj_init;
 396         padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 397         padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 398         padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 399         padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 400         /* step 3.
 401          * initialize the dvobj_priv
 402          */
 403         if (padapter->dvobj_init == NULL)
 404                         goto error;
 405         else {
 406                 status = padapter->dvobj_init(padapter);
 407                 if (status != _SUCCESS)
 408                         goto error;
 409         }
 410         /* step 4. */
 411         status = r8712_init_drv_sw(padapter);
 412         if (status == _FAIL)
 413                 goto error;
 414         /* step 5. read efuse/eeprom data and get mac_addr */
 415         {
 416                 int i, offset;
 417                 u8 mac[6];
 418                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 419                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 420
 421                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 422
 423                 /* To check system boot selection.*/
 424                 printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
 425                        (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 426                        (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 427
 428                 /* To check autoload success or not.*/
 429                 if (tmpU1b & _EEPROM_EN) {
 430                         AutoloadFail = true;
 431                         /* The following operations prevent Efuse leakage by
 432                          * turning on 2.5V.
 433                          */
 434                         tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 435                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 436                         msleep(20);
 437                         r8712_write8(padapter, EFUSE_TEST + 3,
 438                                      (tmpU1b & (~BIT(7))));
 439
 440                         /* Retrieve Chip version.
 441                          * Recognize IC version by Reg0x4 BIT15.
 442                          */
 443                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 444                                                     0x1F);
 445                         if (tmpU1b == 0x3)
 446                                 padapter->registrypriv.chip_version =
 447                                      RTL8712_3rdCUT;
 448                         else
 449                                 padapter->registrypriv.chip_version =
 450                                      (tmpU1b >> 1) + 1;
 451                         switch (padapter->registrypriv.chip_version) {
 452                         case RTL8712_1stCUT:
 453                         case RTL8712_2ndCUT:
 454                         case RTL8712_3rdCUT:
 455                                 break;
 456                         default:
 457                                 padapter->registrypriv.chip_version =
 458                                      RTL8712_2ndCUT;
 459                                 break;
 460                         }
 461
 462                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 463                                 r8712_efuse_pg_packet_read(padapter, offset,
 464                                                      &pdata[i]);
 465
 466                         if (r8712_initmac) {
 467                                 /* Users specify the mac address */
 468                                 int jj, kk;
 469
 470                                 for (jj = 0, kk = 0; jj < ETH_ALEN;
 471                                      jj++, kk += 3)
 472                                         mac[jj] =
 473                                            key_2char2num(r8712_initmac[kk],
 474                                            r8712_initmac[kk + 1]);
 475                         } else {
 476                                 /* Use the mac address stored in the Efuse
 477                                  * offset = 0x12 for usb in efuse
 478                                  */
 479                                 memcpy(mac, &pdata[0x12], ETH_ALEN);
 480                         }
 481                         eeprom_CustomerID = pdata[0x52];
 482                         switch (eeprom_CustomerID) {
 483                         case EEPROM_CID_ALPHA:
 484                                 padapter->eeprompriv.CustomerID =
 485                                                  RT_CID_819x_ALPHA;
 486                                 break;
 487                         case EEPROM_CID_CAMEO:
 488                                 padapter->eeprompriv.CustomerID =
 489                                                  RT_CID_819x_CAMEO;
 490                                 break;
 491                         case EEPROM_CID_SITECOM:
 492                                 padapter->eeprompriv.CustomerID =
 493                                                  RT_CID_819x_Sitecom;
 494                                 break;
 495                         case EEPROM_CID_COREGA:
 496                                 padapter->eeprompriv.CustomerID =
 497                                                  RT_CID_COREGA;
 498                                 break;
 499                         case EEPROM_CID_Senao:
 500                                 padapter->eeprompriv.CustomerID =
 501                                                  RT_CID_819x_Senao;
 502                                 break;
 503                         case EEPROM_CID_EDIMAX_BELKIN:
 504                                 padapter->eeprompriv.CustomerID =
 505                                                  RT_CID_819x_Edimax_Belkin;
 506                                 break;
 507                         case EEPROM_CID_SERCOMM_BELKIN:
 508                                 padapter->eeprompriv.CustomerID =
 509                                                  RT_CID_819x_Sercomm_Belkin;
 510                                 break;
 511                         case EEPROM_CID_WNC_COREGA:
 512                                 padapter->eeprompriv.CustomerID =
 513                                                  RT_CID_819x_WNC_COREGA;
 514                                 break;
 515                         case EEPROM_CID_WHQL:
 516                                 break;
 517                         case EEPROM_CID_NetCore:
 518                                 padapter->eeprompriv.CustomerID =
 519                                                  RT_CID_819x_Netcore;
 520                                 break;
 521                         case EEPROM_CID_CAMEO1:
 522                                 padapter->eeprompriv.CustomerID =
 523                                                  RT_CID_819x_CAMEO1;
 524                                 break;
 525                         case EEPROM_CID_CLEVO:
 526                                 padapter->eeprompriv.CustomerID =
 527                                                  RT_CID_819x_CLEVO;
 528                                 break;
 529                         default:
 530                                 padapter->eeprompriv.CustomerID =
 531                                                  RT_CID_DEFAULT;
 532                                 break;
 533                         }
 534                         printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
 535                              padapter->eeprompriv.CustomerID);
 536                         /* Led mode */
 537                         switch (padapter->eeprompriv.CustomerID) {
 538                         case RT_CID_DEFAULT:
 539                         case RT_CID_819x_ALPHA:
 540                         case RT_CID_819x_CAMEO:
 541                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 542                                 padapter->ledpriv.bRegUseLed = true;
 543                                 break;
 544                         case RT_CID_819x_Sitecom:
 545                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 546                                 padapter->ledpriv.bRegUseLed = true;
 547                                 break;
 548                         case RT_CID_COREGA:
 549                         case RT_CID_819x_Senao:
 550                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 551                                 padapter->ledpriv.bRegUseLed = true;
 552                                 break;
 553                         case RT_CID_819x_Edimax_Belkin:
 554                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 555                                 padapter->ledpriv.bRegUseLed = true;
 556                                 break;
 557                         case RT_CID_819x_Sercomm_Belkin:
 558                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 559                                 padapter->ledpriv.bRegUseLed = true;
 560                                 break;
 561                         case RT_CID_819x_WNC_COREGA:
 562                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 563                                 padapter->ledpriv.bRegUseLed = true;
 564                                 break;
 565                         default:
 566                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 567                                 padapter->ledpriv.bRegUseLed = false;
 568                                 break;
 569                         }
 570                 } else
 571                         AutoloadFail = false;
 572                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 573                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
 574                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 575                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 576                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
 577                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 578                      (AutoloadFail == false)) {
 579                         mac[0] = 0x00;
 580                         mac[1] = 0xe0;
 581                         mac[2] = 0x4c;
 582                         mac[3] = 0x87;
 583                         mac[4] = 0x00;
 584                         mac[5] = 0x00;
 585                 }
 586                 if (r8712_initmac) {
 587                         /* Make sure the user did not select a multicast
 588                          * address by setting bit 1 of first octet.
 589                          */
 590                         mac[0] &= 0xFE;
 591                         printk(KERN_INFO "r8712u: MAC Address from user = "
 592                                "%pM\n", mac);
 593                 } else
 594                         printk(KERN_INFO "r8712u: MAC Address from efuse = "
 595                                "%pM\n", mac);
 596                 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 597         }
 598         /* step 6. Tell the network stack we exist */
 599         if (register_netdev(pnetdev) != 0)
 600                 goto error;
 601         spin_lock_init(&padapter->lockRxFF0Filter);
 602         return 0;
 603 error:
 604         usb_put_dev(udev);
 605         usb_set_intfdata(pusb_intf, NULL);
 606         if (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 _adapter *padapter = netdev_priv(pnetdev);
 619         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 620
 621         usb_set_intfdata(pusb_intf, NULL);
 622         if (padapter) {
 623                 if (drvpriv.drv_registered == true)
 624                         padapter->bSurpriseRemoved = true;
 625                 if (pnetdev != NULL) {
 626                         /* will call netdev_close() */
 627                         unregister_netdev(pnetdev);
 628                 }
 629                 flush_scheduled_work();
 630                 udelay(1);
 631                 /*Stop driver mlme relation timer */
 632                 r8712_stop_drv_timers(padapter);
 633                 r871x_dev_unload(padapter);
 634                 r8712_free_drv_sw(padapter);
 635         }
 636         usb_set_intfdata(pusb_intf, NULL);
 637         /* decrease the reference count of the usb device structure
 638          * when disconnect */
 639         usb_put_dev(udev);
 640         /* If we didn't unplug usb dongle and remove/insert modlue, driver
 641          * fails on sitesurvey for the first time when device is up.
 642          * Reset usb port for sitesurvey fail issue. */
 643         if (udev->state != USB_STATE_NOTATTACHED)
 644                 usb_reset_device(udev);
 645         return;
 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         printk(KERN_INFO "r8712u: Driver unloaded\n");
 659 }
 660
 661 module_init(r8712u_drv_entry);
 662 module_exit(r8712u_drv_halt);