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         /* Amigo */
 110         {USB_DEVICE(0x0EB0, 0x9061)},
 111         /* ASUS/EKB */
 112         {USB_DEVICE(0x0BDA, 0x8172)},
 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         {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         printk(KERN_INFO "r8712: suspending...\n");
 209         if (!pnetdev || !netif_running(pnetdev)) {
 210                 printk(KERN_INFO "r8712: 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         printk(KERN_INFO "r8712: resuming...\n");
 225         if (!pnetdev || !netif_running(pnetdev)) {
 226                 printk(KERN_INFO "r8712: 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                 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 277                        pdvobjpriv->nr_endpoint);
 278         } else {
 279                 pdvobjpriv->ishighspeed = false;
 280                 printk(KERN_INFO "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         sema_init(&(padapter->dvobjpriv.usb_suspend_sema), 0);
 286         return status;
 287 }
 288
 289 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 290 {
 291 }
 292
 293 void rtl871x_intf_stop(struct _adapter *padapter)
 294 {
 295         /*disable_hw_interrupt*/
 296         if (padapter->bSurpriseRemoved == false) {
 297                 /*device still exists, so driver can do i/o operation
 298                  * TODO: */
 299         }
 300
 301         /* cancel in irp */
 302         if (padapter->dvobjpriv.inirp_deinit != NULL)
 303                 padapter->dvobjpriv.inirp_deinit(padapter);
 304         /* cancel out irp */
 305         r8712_usb_write_port_cancel(padapter);
 306         /* TODO:cancel other irps */
 307 }
 308
 309 void r871x_dev_unload(struct _adapter *padapter)
 310 {
 311         if (padapter->bup == true) {
 312                 /*s1.*/
 313                 padapter->bDriverStopped = true;
 314
 315                 /*s3.*/
 316                 rtl871x_intf_stop(padapter);
 317
 318                 /*s4.*/
 319                 r8712_stop_drv_threads(padapter);
 320
 321                 /*s5.*/
 322                 if (padapter->bSurpriseRemoved == false) {
 323                         padapter->hw_init_completed = false;
 324                         rtl8712_hal_deinit(padapter);
 325                 }
 326
 327                 /*s6.*/
 328                 if (padapter->dvobj_deinit)
 329                         padapter->dvobj_deinit(padapter);
 330                 padapter->bup = false;
 331         }
 332 }
 333
 334 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 335                                       struct _adapter *padapter)
 336 {
 337         u16 vid, pid;
 338         u32 flags;
 339         int i;
 340         int num = sizeof(specific_device_id_tbl) /
 341                   sizeof(struct specific_device_id);
 342
 343         for (i = 0; i < num; i++) {
 344                 vid = specific_device_id_tbl[i].idVendor;
 345                 pid = specific_device_id_tbl[i].idProduct;
 346                 flags = specific_device_id_tbl[i].flags;
 347
 348                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 349                     (flags&SPEC_DEV_ID_DISABLE_HT)) {
 350                         padapter->registrypriv.ht_enable = 0;
 351                         padapter->registrypriv.cbw40_enable = 0;
 352                         padapter->registrypriv.ampdu_enable = 0;
 353                 }
 354         }
 355 }
 356
 357 static u8 key_2char2num(u8 hch, u8 lch)
 358 {
 359         return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
 360 }
 361
 362 /*
 363  * drv_init() - a device potentially for us
 364  *
 365  * notes: drv_init() is called when the bus driver has located a card for us
 366  * to support. We accept the new device by returning 0.
 367 */
 368 static int r871xu_drv_init(struct usb_interface *pusb_intf,
 369                            const struct usb_device_id *pdid)
 370 {
 371         uint status;
 372         struct _adapter *padapter = NULL;
 373         struct dvobj_priv *pdvobjpriv;
 374         struct net_device *pnetdev;
 375         struct usb_device *udev;
 376
 377         printk(KERN_INFO "r8712u: DriverVersion: %s\n", DRVER);
 378         /* In this probe function, O.S. will provide the usb interface pointer
 379          * to driver. We have to increase the reference count of the usb device
 380          * structure by using the usb_get_dev function.
 381          */
 382         udev = interface_to_usbdev(pusb_intf);
 383         usb_get_dev(udev);
 384         pintf = pusb_intf;
 385         /* step 1. */
 386         pnetdev = r8712_init_netdev();
 387         if (!pnetdev)
 388                 goto error;
 389         padapter = netdev_priv(pnetdev);
 390         disable_ht_for_spec_devid(pdid, padapter);
 391         pdvobjpriv = &padapter->dvobjpriv;
 392         pdvobjpriv->padapter = padapter;
 393         padapter->dvobjpriv.pusbdev = udev;
 394         padapter->pusb_intf = pusb_intf;
 395         usb_set_intfdata(pusb_intf, pnetdev);
 396         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 397         /* step 2. */
 398         padapter->dvobj_init = &r8712_usb_dvobj_init;
 399         padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 400         padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 401         padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 402         padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 403         /* step 3.
 404          * initialize the dvobj_priv
 405          */
 406         if (padapter->dvobj_init == NULL)
 407                         goto error;
 408         else {
 409                 status = padapter->dvobj_init(padapter);
 410                 if (status != _SUCCESS)
 411                         goto error;
 412         }
 413         /* step 4. */
 414         status = r8712_init_drv_sw(padapter);
 415         if (status == _FAIL)
 416                 goto error;
 417         /* step 5. read efuse/eeprom data and get mac_addr */
 418         {
 419                 int i, offset;
 420                 u8 mac[6];
 421                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 422                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 423
 424                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 425
 426                 /* To check system boot selection.*/
 427                 printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
 428                        (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 429                        (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 430
 431                 /* To check autoload success or not.*/
 432                 if (tmpU1b & _EEPROM_EN) {
 433                         AutoloadFail = true;
 434                         /* The following operations prevent Efuse leakage by
 435                          * turning on 2.5V.
 436                          */
 437                         tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 438                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 439                         msleep(20);
 440                         r8712_write8(padapter, EFUSE_TEST + 3,
 441                                      (tmpU1b & (~BIT(7))));
 442
 443                         /* Retrieve Chip version.
 444                          * Recognize IC version by Reg0x4 BIT15.
 445                          */
 446                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 447                                                     0x1F);
 448                         if (tmpU1b == 0x3)
 449                                 padapter->registrypriv.chip_version =
 450                                      RTL8712_3rdCUT;
 451                         else
 452                                 padapter->registrypriv.chip_version =
 453                                      (tmpU1b >> 1) + 1;
 454                         switch (padapter->registrypriv.chip_version) {
 455                         case RTL8712_1stCUT:
 456                         case RTL8712_2ndCUT:
 457                         case RTL8712_3rdCUT:
 458                                 break;
 459                         default:
 460                                 padapter->registrypriv.chip_version =
 461                                      RTL8712_2ndCUT;
 462                                 break;
 463                         }
 464
 465                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 466                                 r8712_efuse_pg_packet_read(padapter, offset,
 467                                                      &pdata[i]);
 468
 469                         if (r8712_initmac) {
 470                                 /* Users specify the mac address */
 471                                 int jj, kk;
 472
 473                                 for (jj = 0, kk = 0; jj < ETH_ALEN;
 474                                      jj++, kk += 3)
 475                                         mac[jj] =
 476                                            key_2char2num(r8712_initmac[kk],
 477                                            r8712_initmac[kk + 1]);
 478                         } else {
 479                                 /* Use the mac address stored in the Efuse
 480                                  * offset = 0x12 for usb in efuse
 481                                  */
 482                                 memcpy(mac, &pdata[0x12], ETH_ALEN);
 483                         }
 484                         eeprom_CustomerID = pdata[0x52];
 485                         switch (eeprom_CustomerID) {
 486                         case EEPROM_CID_ALPHA:
 487                                 padapter->eeprompriv.CustomerID =
 488                                                  RT_CID_819x_ALPHA;
 489                                 break;
 490                         case EEPROM_CID_CAMEO:
 491                                 padapter->eeprompriv.CustomerID =
 492                                                  RT_CID_819x_CAMEO;
 493                                 break;
 494                         case EEPROM_CID_SITECOM:
 495                                 padapter->eeprompriv.CustomerID =
 496                                                  RT_CID_819x_Sitecom;
 497                                 break;
 498                         case EEPROM_CID_COREGA:
 499                                 padapter->eeprompriv.CustomerID =
 500                                                  RT_CID_COREGA;
 501                                 break;
 502                         case EEPROM_CID_Senao:
 503                                 padapter->eeprompriv.CustomerID =
 504                                                  RT_CID_819x_Senao;
 505                                 break;
 506                         case EEPROM_CID_EDIMAX_BELKIN:
 507                                 padapter->eeprompriv.CustomerID =
 508                                                  RT_CID_819x_Edimax_Belkin;
 509                                 break;
 510                         case EEPROM_CID_SERCOMM_BELKIN:
 511                                 padapter->eeprompriv.CustomerID =
 512                                                  RT_CID_819x_Sercomm_Belkin;
 513                                 break;
 514                         case EEPROM_CID_WNC_COREGA:
 515                                 padapter->eeprompriv.CustomerID =
 516                                                  RT_CID_819x_WNC_COREGA;
 517                                 break;
 518                         case EEPROM_CID_WHQL:
 519                                 break;
 520                         case EEPROM_CID_NetCore:
 521                                 padapter->eeprompriv.CustomerID =
 522                                                  RT_CID_819x_Netcore;
 523                                 break;
 524                         case EEPROM_CID_CAMEO1:
 525                                 padapter->eeprompriv.CustomerID =
 526                                                  RT_CID_819x_CAMEO1;
 527                                 break;
 528                         case EEPROM_CID_CLEVO:
 529                                 padapter->eeprompriv.CustomerID =
 530                                                  RT_CID_819x_CLEVO;
 531                                 break;
 532                         default:
 533                                 padapter->eeprompriv.CustomerID =
 534                                                  RT_CID_DEFAULT;
 535                                 break;
 536                         }
 537                         printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
 538                              padapter->eeprompriv.CustomerID);
 539                         /* Led mode */
 540                         switch (padapter->eeprompriv.CustomerID) {
 541                         case RT_CID_DEFAULT:
 542                         case RT_CID_819x_ALPHA:
 543                         case RT_CID_819x_CAMEO:
 544                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 545                                 padapter->ledpriv.bRegUseLed = true;
 546                                 break;
 547                         case RT_CID_819x_Sitecom:
 548                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 549                                 padapter->ledpriv.bRegUseLed = true;
 550                                 break;
 551                         case RT_CID_COREGA:
 552                         case RT_CID_819x_Senao:
 553                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 554                                 padapter->ledpriv.bRegUseLed = true;
 555                                 break;
 556                         case RT_CID_819x_Edimax_Belkin:
 557                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 558                                 padapter->ledpriv.bRegUseLed = true;
 559                                 break;
 560                         case RT_CID_819x_Sercomm_Belkin:
 561                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 562                                 padapter->ledpriv.bRegUseLed = true;
 563                                 break;
 564                         case RT_CID_819x_WNC_COREGA:
 565                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 566                                 padapter->ledpriv.bRegUseLed = true;
 567                                 break;
 568                         default:
 569                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 570                                 padapter->ledpriv.bRegUseLed = false;
 571                                 break;
 572                         }
 573                 } else
 574                         AutoloadFail = false;
 575                 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 576                      (mac[2] == 0xff) && (mac[3] == 0xff) &&
 577                      (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 578                     ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 579                      (mac[2] == 0x00) && (mac[3] == 0x00) &&
 580                      (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 581                      (AutoloadFail == false)) {
 582                         mac[0] = 0x00;
 583                         mac[1] = 0xe0;
 584                         mac[2] = 0x4c;
 585                         mac[3] = 0x87;
 586                         mac[4] = 0x00;
 587                         mac[5] = 0x00;
 588                 }
 589                 if (r8712_initmac) {
 590                         /* Make sure the user did not select a multicast
 591                          * address by setting bit 1 of first octet.
 592                          */
 593                         mac[0] &= 0xFE;
 594                         printk(KERN_INFO "r8712u: MAC Address from user = "
 595                                "%pM\n", mac);
 596                 } else
 597                         printk(KERN_INFO "r8712u: MAC Address from efuse = "
 598                                "%pM\n", mac);
 599                 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 600         }
 601         /* step 6. Load the firmware asynchronously */
 602         if (rtl871x_load_fw(padapter))
 603                 goto error;
 604         spin_lock_init(&padapter->lockRxFF0Filter);
 605         mutex_init(&padapter->mutex_start);
 606         return 0;
 607 error:
 608         usb_put_dev(udev);
 609         usb_set_intfdata(pusb_intf, NULL);
 610         if (padapter->dvobj_deinit != NULL)
 611                 padapter->dvobj_deinit(padapter);
 612         if (pnetdev)
 613                 free_netdev(pnetdev);
 614         return -ENODEV;
 615 }
 616
 617 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 618  * => how to recognize both */
 619 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 620 {
 621         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 622         struct _adapter *padapter = netdev_priv(pnetdev);
 623         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 624
 625         if (padapter->fw_found)
 626                 release_firmware(padapter->fw);
 627         /* never exit with a firmware callback pending */
 628         wait_for_completion(&padapter->rtl8712_fw_ready);
 629         usb_set_intfdata(pusb_intf, NULL);
 630         if (padapter) {
 631                 if (drvpriv.drv_registered == true)
 632                         padapter->bSurpriseRemoved = true;
 633                 if (pnetdev != NULL) {
 634                         /* will call netdev_close() */
 635                         unregister_netdev(pnetdev);
 636                 }
 637                 flush_scheduled_work();
 638                 udelay(1);
 639                 /*Stop driver mlme relation timer */
 640                 if (padapter->fw_found)
 641                         r8712_stop_drv_timers(padapter);
 642                 r871x_dev_unload(padapter);
 643                 r8712_free_drv_sw(padapter);
 644         }
 645         usb_set_intfdata(pusb_intf, NULL);
 646         /* decrease the reference count of the usb device structure
 647          * when disconnect */
 648         usb_put_dev(udev);
 649         /* If we didn't unplug usb dongle and remove/insert modlue, driver
 650          * fails on sitesurvey for the first time when device is up.
 651          * Reset usb port for sitesurvey fail issue. */
 652         if (udev->state != USB_STATE_NOTATTACHED)
 653                 usb_reset_device(udev);
 654         return;
 655 }
 656
 657 static int __init r8712u_drv_entry(void)
 658 {
 659         drvpriv.drv_registered = true;
 660         return usb_register(&drvpriv.r871xu_drv);
 661 }
 662
 663 static void __exit r8712u_drv_halt(void)
 664 {
 665         drvpriv.drv_registered = false;
 666         usb_deregister(&drvpriv.r871xu_drv);
 667         printk(KERN_INFO "r8712u: Driver unloaded\n");
 668 }
 669
 670 module_init(r8712u_drv_entry);
 671 module_exit(r8712u_drv_halt);