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_vendor_req.h"
  41 #include "usb_ops.h"
  42 #include "usb_osintf.h"
  43
  44 #define DRVER  "v7_0.20100831"
  45
  46 static struct usb_interface *pintf;
  47
  48 static int r871xu_drv_init(struct usb_interface *pusb_intf,
  49                            const struct usb_device_id *pdid);
  50
  51 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
  52
  53 static struct usb_device_id rtl871x_usb_id_tbl[] = {
  54
  55 /* RTL8188SU */
  56         /* Realtek */
  57         {USB_DEVICE(0x0BDA, 0x8171)},
  58         {USB_DEVICE(0x0bda, 0x8173)},
  59         {USB_DEVICE(0x0bda, 0x8712)},
  60         {USB_DEVICE(0x0bda, 0x8713)},
  61         {USB_DEVICE(0x0bda, 0xC512)},
  62         /* Abocom */
  63         {USB_DEVICE(0x07B8, 0x8188)},
  64         /* ASUS */
  65         {USB_DEVICE(0x0B05, 0x1786)},
  66         {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
  67         /* Belkin */
  68         {USB_DEVICE(0x050D, 0x945A)},
  69         /* Corega */
  70         {USB_DEVICE(0x07AA, 0x0047)},
  71         /* D-Link */
  72         {USB_DEVICE(0x2001, 0x3306)},
  73         {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
  74         /* Edimax */
  75         {USB_DEVICE(0x7392, 0x7611)},
  76         /* EnGenius */
  77         {USB_DEVICE(0x1740, 0x9603)},
  78         /* Hawking */
  79         {USB_DEVICE(0x0E66, 0x0016)},
  80         /* Hercules */
  81         {USB_DEVICE(0x06F8, 0xE034)},
  82         {USB_DEVICE(0x06F8, 0xE032)},
  83         /* Logitec */
  84         {USB_DEVICE(0x0789, 0x0167)},
  85         /* PCI */
  86         {USB_DEVICE(0x2019, 0xAB28)},
  87         {USB_DEVICE(0x2019, 0xED16)},
  88         /* Sitecom */
  89         {USB_DEVICE(0x0DF6, 0x0057)},
  90         {USB_DEVICE(0x0DF6, 0x0045)},
  91         {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
  92         {USB_DEVICE(0x0DF6, 0x004B)},
  93         {USB_DEVICE(0x0DF6, 0x005B)},
  94         {USB_DEVICE(0x0DF6, 0x005D)},
  95         {USB_DEVICE(0x0DF6, 0x0063)},
  96         /* Sweex */
  97         {USB_DEVICE(0x177F, 0x0154)},
  98         /* Thinkware */
  99         {USB_DEVICE(0x0BDA, 0x5077)},
 100         /* Toshiba */
 101         {USB_DEVICE(0x1690, 0x0752)},
 102         /* - */
 103         {USB_DEVICE(0x20F4, 0x646B)},
 104         {USB_DEVICE(0x083A, 0xC512)},
 105
 106 /* RTL8191SU */
 107         /* Realtek */
 108         {USB_DEVICE(0x0BDA, 0x8172)},
 109         {USB_DEVICE(0x0BDA, 0x8192)},
 110         /* Amigo */
 111         {USB_DEVICE(0x0EB0, 0x9061)},
 112         /* ASUS/EKB */
 113         {USB_DEVICE(0x13D3, 0x3323)},
 114         {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
 115         {USB_DEVICE(0x13D3, 0x3342)},
 116         /* ASUS/EKBLenovo */
 117         {USB_DEVICE(0x13D3, 0x3333)},
 118         {USB_DEVICE(0x13D3, 0x3334)},
 119         {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
 120         {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
 121         /* ASUS/Media BOX */
 122         {USB_DEVICE(0x13D3, 0x3309)},
 123         /* Belkin */
 124         {USB_DEVICE(0x050D, 0x815F)},
 125         /* D-Link */
 126         {USB_DEVICE(0x07D1, 0x3302)},
 127         {USB_DEVICE(0x07D1, 0x3300)},
 128         {USB_DEVICE(0x07D1, 0x3303)},
 129         /* Edimax */
 130         {USB_DEVICE(0x7392, 0x7612)},
 131         /* EnGenius */
 132         {USB_DEVICE(0x1740, 0x9605)},
 133         /* Guillemot */
 134         {USB_DEVICE(0x06F8, 0xE031)},
 135         /* Hawking */
 136         {USB_DEVICE(0x0E66, 0x0015)},
 137         /* Mediao */
 138         {USB_DEVICE(0x13D3, 0x3306)},
 139         /* PCI */
 140         {USB_DEVICE(0x2019, 0xED18)},
 141         {USB_DEVICE(0x2019, 0x4901)},
 142         /* Sitecom */
 143         {USB_DEVICE(0x0DF6, 0x0058)},
 144         {USB_DEVICE(0x0DF6, 0x0049)},
 145         {USB_DEVICE(0x0DF6, 0x004C)},
 146         {USB_DEVICE(0x0DF6, 0x0064)},
 147         /* Skyworth */
 148         {USB_DEVICE(0x14b2, 0x3300)},
 149         {USB_DEVICE(0x14b2, 0x3301)},
 150         {USB_DEVICE(0x14B2, 0x3302)},
 151         /* - */
 152         {USB_DEVICE(0x04F2, 0xAFF2)},
 153         {USB_DEVICE(0x04F2, 0xAFF5)},
 154         {USB_DEVICE(0x04F2, 0xAFF6)},
 155         {USB_DEVICE(0x13D3, 0x3339)},
 156         {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
 157         {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
 158         {USB_DEVICE(0x13D3, 0x3310)},
 159         {USB_DEVICE(0x13D3, 0x3325)},
 160
 161 /* RTL8192SU */
 162         /* Realtek */
 163         {USB_DEVICE(0x0BDA, 0x8174)},
 164         /* Belkin */
 165         {USB_DEVICE(0x050D, 0x845A)},
 166         /* Corega */
 167         {USB_DEVICE(0x07AA, 0x0051)},
 168         /* Edimax */
 169         {USB_DEVICE(0x7392, 0x7622)},
 170         /* NEC */
 171         {USB_DEVICE(0x0409, 0x02B6)},
 172         {}
 173 };
 174
 175 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 176
 177 static struct specific_device_id specific_device_id_tbl[] = {
 178         {.idVendor = 0x0b05, .idProduct = 0x1791,
 179                  .flags = SPEC_DEV_ID_DISABLE_HT},
 180         {.idVendor = 0x0df6, .idProduct = 0x0059,
 181                  .flags = SPEC_DEV_ID_DISABLE_HT},
 182         {.idVendor = 0x13d3, .idProduct = 0x3306,
 183                  .flags = SPEC_DEV_ID_DISABLE_HT},
 184         {.idVendor = 0x13D3, .idProduct = 0x3311,
 185                  .flags = SPEC_DEV_ID_DISABLE_HT},
 186         {.idVendor = 0x13d3, .idProduct = 0x3335,
 187                  .flags = SPEC_DEV_ID_DISABLE_HT},
 188         {.idVendor = 0x13d3, .idProduct = 0x3336,
 189                  .flags = SPEC_DEV_ID_DISABLE_HT},
 190         {.idVendor = 0x13d3, .idProduct = 0x3340,
 191                  .flags = SPEC_DEV_ID_DISABLE_HT},
 192         {.idVendor = 0x13d3, .idProduct = 0x3341,
 193                  .flags = SPEC_DEV_ID_DISABLE_HT},
 194         {}
 195 };
 196
 197 struct drv_priv {
 198         struct usb_driver r871xu_drv;
 199         int drv_registered;
 200 };
 201
 202 #ifdef CONFIG_PM
 203 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
 204 {
 205         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 206
 207         printk(KERN_INFO "r8712: suspending...\n");
 208         if (!pnetdev || !netif_running(pnetdev)) {
 209                 printk(KERN_INFO "r8712: unable to suspend\n");
 210                 return 0;
 211         }
 212         if (pnetdev->netdev_ops->ndo_stop)
 213                 pnetdev->netdev_ops->ndo_stop(pnetdev);
 214         mdelay(10);
 215         netif_device_detach(pnetdev);
 216         return 0;
 217 }
 218
 219 static int r871x_resume(struct usb_interface *pusb_intf)
 220 {
 221         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 222
 223         printk(KERN_INFO "r8712: resuming...\n");
 224         if (!pnetdev || !netif_running(pnetdev)) {
 225                 printk(KERN_INFO "r8712: unable to resume\n");
 226                 return 0;
 227         }
 228         netif_device_attach(pnetdev);
 229         if (pnetdev->netdev_ops->ndo_open)
 230                 pnetdev->netdev_ops->ndo_open(pnetdev);
 231         return 0;
 232 }
 233
 234 static int r871x_reset_resume(struct usb_interface *pusb_intf)
 235 {
 236         /* dummy routine */
 237         return 0;
 238 }
 239
 240 #endif
 241
 242 static struct drv_priv drvpriv = {
 243         .r871xu_drv.name = "r8712u",
 244         .r871xu_drv.id_table = rtl871x_usb_id_tbl,
 245         .r871xu_drv.probe = r871xu_drv_init,
 246         .r871xu_drv.disconnect = r871xu_dev_remove,
 247 #ifdef CONFIG_PM
 248         .r871xu_drv.suspend = r871x_suspend,
 249         .r871xu_drv.resume = r871x_resume,
 250         .r871xu_drv.reset_resume = r871x_reset_resume,
 251 #endif
 252 };
 253
 254 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
 255 {
 256         uint    status = _SUCCESS;
 257         struct  usb_device_descriptor           *pdev_desc;
 258         struct  usb_host_config                 *phost_conf;
 259         struct  usb_config_descriptor           *pconf_desc;
 260         struct  usb_host_interface              *phost_iface;
 261         struct  usb_interface_descriptor        *piface_desc;
 262         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 263         struct usb_device *pusbd = pdvobjpriv->pusbdev;
 264
 265         pdvobjpriv->padapter = padapter;
 266         padapter->EepromAddressSize = 6;
 267         pdev_desc = &pusbd->descriptor;
 268         phost_conf = pusbd->actconfig;
 269         pconf_desc = &phost_conf->desc;
 270         phost_iface = &pintf->altsetting[0];
 271         piface_desc = &phost_iface->desc;
 272         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 273         if (pusbd->speed == USB_SPEED_HIGH) {
 274                 pdvobjpriv->ishighspeed = true;
 275                 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 276                        pdvobjpriv->nr_endpoint);
 277         } else {
 278                 pdvobjpriv->ishighspeed = false;
 279                 printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
 280                        pdvobjpriv->nr_endpoint);
 281         }
 282         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 283                 status = _FAIL;
 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         padapter->pusb_intf = pusb_intf;
 393         usb_set_intfdata(pusb_intf, pnetdev);
 394         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 395         /* step 2. */
 396         padapter->dvobj_init = &r8712_usb_dvobj_init;
 397         padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 398         padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 399         padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 400         padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 401         /* step 3.
 402          * initialize the dvobj_priv
 403          */
 404         if (padapter->dvobj_init == NULL)
 405                         goto error;
 406         else {
 407                 status = padapter->dvobj_init(padapter);
 408                 if (status != _SUCCESS)
 409                         goto error;
 410         }
 411         /* step 4. */
 412         status = r8712_init_drv_sw(padapter);
 413         if (status == _FAIL)
 414                 goto error;
 415         /* step 5. read efuse/eeprom data and get mac_addr */
 416         {
 417                 int i, offset;
 418                 u8 mac[6];
 419                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 420                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 421
 422                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 423
 424                 /* To check system boot selection.*/
 425                 printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
 426                        (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 427                        (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 428
 429                 /* To check autoload success or not.*/
 430                 if (tmpU1b & _EEPROM_EN) {
 431                         AutoloadFail = true;
 432                         /* The following operations prevent Efuse leakage by
 433                          * turning on 2.5V.
 434                          */
 435                         tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 436                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 437                         msleep(20);
 438                         r8712_write8(padapter, EFUSE_TEST + 3,
 439                                      (tmpU1b & (~BIT(7))));
 440
 441                         /* Retrieve Chip version.
 442                          * Recognize IC version by Reg0x4 BIT15.
 443                          */
 444                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 445                                                     0x1F);
 446                         if (tmpU1b == 0x3)
 447                                 padapter->registrypriv.chip_version =
 448                                      RTL8712_3rdCUT;
 449                         else
 450                                 padapter->registrypriv.chip_version =
 451                                      (tmpU1b >> 1) + 1;
 452                         switch (padapter->registrypriv.chip_version) {
 453                         case RTL8712_1stCUT:
 454                         case RTL8712_2ndCUT:
 455                         case RTL8712_3rdCUT:
 456                                 break;
 457                         default:
 458                                 padapter->registrypriv.chip_version =
 459                                      RTL8712_2ndCUT;
 460                                 break;
 461                         }
 462
 463                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 464                                 r8712_efuse_pg_packet_read(padapter, offset,
 465                                                      &pdata[i]);
 466
 467                         if (r8712_initmac) {
 468                                 /* Users specify the mac address */
 469                                 int jj, kk;
 470
 471                                 for (jj = 0, kk = 0; jj < ETH_ALEN;
 472                                      jj++, kk += 3)
 473                                         mac[jj] =
 474                                            key_2char2num(r8712_initmac[kk],
 475                                            r8712_initmac[kk + 1]);
 476                         } else {
 477                                 /* Use the mac address stored in the Efuse
 478                                  * offset = 0x12 for usb in efuse
 479                                  */
 480                                 memcpy(mac, &pdata[0x12], ETH_ALEN);
 481                         }
 482                         eeprom_CustomerID = pdata[0x52];
 483                         switch (eeprom_CustomerID) {
 484                         case EEPROM_CID_ALPHA:
 485                                 padapter->eeprompriv.CustomerID =
 486                                                  RT_CID_819x_ALPHA;
 487                                 break;
 488                         case EEPROM_CID_CAMEO:
 489                                 padapter->eeprompriv.CustomerID =
 490                                                  RT_CID_819x_CAMEO;
 491                                 break;
 492                         case EEPROM_CID_SITECOM:
 493                                 padapter->eeprompriv.CustomerID =
 494                                                  RT_CID_819x_Sitecom;
 495                                 break;
 496                         case EEPROM_CID_COREGA:
 497                                 padapter->eeprompriv.CustomerID =
 498                                                  RT_CID_COREGA;
 499                                 break;
 500                         case EEPROM_CID_Senao:
 501                                 padapter->eeprompriv.CustomerID =
 502                                                  RT_CID_819x_Senao;
 503                                 break;
 504                         case EEPROM_CID_EDIMAX_BELKIN:
 505                                 padapter->eeprompriv.CustomerID =
 506                                                  RT_CID_819x_Edimax_Belkin;
 507                                 break;
 508                         case EEPROM_CID_SERCOMM_BELKIN:
 509                                 padapter->eeprompriv.CustomerID =
 510                                                  RT_CID_819x_Sercomm_Belkin;
 511                                 break;
 512                         case EEPROM_CID_WNC_COREGA:
 513                                 padapter->eeprompriv.CustomerID =
 514                                                  RT_CID_819x_WNC_COREGA;
 515                                 break;
 516                         case EEPROM_CID_WHQL:
 517                                 break;
 518                         case EEPROM_CID_NetCore:
 519                                 padapter->eeprompriv.CustomerID =
 520                                                  RT_CID_819x_Netcore;
 521                                 break;
 522                         case EEPROM_CID_CAMEO1:
 523                                 padapter->eeprompriv.CustomerID =
 524                                                  RT_CID_819x_CAMEO1;
 525                                 break;
 526                         case EEPROM_CID_CLEVO:
 527                                 padapter->eeprompriv.CustomerID =
 528                                                  RT_CID_819x_CLEVO;
 529                                 break;
 530                         default:
 531                                 padapter->eeprompriv.CustomerID =
 532                                                  RT_CID_DEFAULT;
 533                                 break;
 534                         }
 535                         printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
 536                              padapter->eeprompriv.CustomerID);
 537                         /* Led mode */
 538                         switch (padapter->eeprompriv.CustomerID) {
 539                         case RT_CID_DEFAULT:
 540                         case RT_CID_819x_ALPHA:
 541                         case RT_CID_819x_CAMEO:
 542                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 543                                 padapter->ledpriv.bRegUseLed = true;
 544                                 break;
 545                         case RT_CID_819x_Sitecom:
 546                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 547                                 padapter->ledpriv.bRegUseLed = true;
 548                                 break;
 549                         case RT_CID_COREGA:
 550                         case RT_CID_819x_Senao:
 551                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 552                                 padapter->ledpriv.bRegUseLed = true;
 553                                 break;
 554                         case RT_CID_819x_Edimax_Belkin:
 555                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 556                                 padapter->ledpriv.bRegUseLed = true;
 557                                 break;
 558                         case RT_CID_819x_Sercomm_Belkin:
 559                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 560                                 padapter->ledpriv.bRegUseLed = true;
 561                                 break;
 562                         case RT_CID_819x_WNC_COREGA:
 563                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 564                                 padapter->ledpriv.bRegUseLed = true;
 565                                 break;
 566                         default:
 567                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 568                                 padapter->ledpriv.bRegUseLed = false;
 569                                 break;
 570                         }
 571                 } else
 572                         AutoloadFail = false;
 573                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 574                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
 575                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 576                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 577                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
 578                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 579                      (AutoloadFail == false)) {
 580                         mac[0] = 0x00;
 581                         mac[1] = 0xe0;
 582                         mac[2] = 0x4c;
 583                         mac[3] = 0x87;
 584                         mac[4] = 0x00;
 585                         mac[5] = 0x00;
 586                 }
 587                 if (r8712_initmac) {
 588                         /* Make sure the user did not select a multicast
 589                          * address by setting bit 1 of first octet.
 590                          */
 591                         mac[0] &= 0xFE;
 592                         printk(KERN_INFO "r8712u: MAC Address from user = "
 593                                "%pM\n", mac);
 594                 } else
 595                         printk(KERN_INFO "r8712u: MAC Address from efuse = "
 596                                "%pM\n", mac);
 597                 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 598         }
 599         /* step 6. Load the firmware asynchronously */
 600         if (rtl871x_load_fw(padapter))
 601                 goto error;
 602         spin_lock_init(&padapter->lockRxFF0Filter);
 603         mutex_init(&padapter->mutex_start);
 604         return 0;
 605 error:
 606         usb_put_dev(udev);
 607         usb_set_intfdata(pusb_intf, NULL);
 608         if (padapter->dvobj_deinit != NULL)
 609                 padapter->dvobj_deinit(padapter);
 610         if (pnetdev)
 611                 free_netdev(pnetdev);
 612         return -ENODEV;
 613 }
 614
 615 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 616  * => how to recognize both */
 617 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 618 {
 619         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 620         struct _adapter *padapter = netdev_priv(pnetdev);
 621         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 622
 623         usb_set_intfdata(pusb_intf, NULL);
 624         if (padapter->fw_found)
 625                 release_firmware(padapter->fw);
 626         /* never exit with a firmware callback pending */
 627         wait_for_completion(&padapter->rtl8712_fw_ready);
 628         if (drvpriv.drv_registered == true)
 629                 padapter->bSurpriseRemoved = true;
 630         if (pnetdev != NULL) {
 631                 /* will call netdev_close() */
 632                 unregister_netdev(pnetdev);
 633         }
 634         flush_scheduled_work();
 635         udelay(1);
 636         /*Stop driver mlme relation timer */
 637         if (padapter->fw_found)
 638                 r8712_stop_drv_timers(padapter);
 639         r871x_dev_unload(padapter);
 640         r8712_free_drv_sw(padapter);
 641         usb_set_intfdata(pusb_intf, NULL);
 642         /* decrease the reference count of the usb device structure
 643          * when disconnect */
 644         usb_put_dev(udev);
 645         /* If we didn't unplug usb dongle and remove/insert module, driver
 646          * fails on sitesurvey for the first time when device is up.
 647          * Reset usb port for sitesurvey fail issue. */
 648         if (udev->state != USB_STATE_NOTATTACHED)
 649                 usb_reset_device(udev);
 650         return;
 651 }
 652
 653 static int __init r8712u_drv_entry(void)
 654 {
 655         drvpriv.drv_registered = true;
 656         return usb_register(&drvpriv.r871xu_drv);
 657 }
 658
 659 static void __exit r8712u_drv_halt(void)
 660 {
 661         drvpriv.drv_registered = false;
 662         usb_deregister(&drvpriv.r871xu_drv);
 663         printk(KERN_INFO "r8712u: Driver unloaded\n");
 664 }
 665
 666 module_init(r8712u_drv_entry);
 667 module_exit(r8712u_drv_halt);