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, 0x006C)},
 148         {USB_DEVICE(0x0DF6, 0x0064)},
 149         /* Skyworth */
 150         {USB_DEVICE(0x14b2, 0x3300)},
 151         {USB_DEVICE(0x14b2, 0x3301)},
 152         {USB_DEVICE(0x14B2, 0x3302)},
 153         /* - */
 154         {USB_DEVICE(0x04F2, 0xAFF2)},
 155         {USB_DEVICE(0x04F2, 0xAFF5)},
 156         {USB_DEVICE(0x04F2, 0xAFF6)},
 157         {USB_DEVICE(0x13D3, 0x3339)},
 158         {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
 159         {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
 160         {USB_DEVICE(0x13D3, 0x3310)},
 161         {USB_DEVICE(0x13D3, 0x3325)},
 162
 163 /* RTL8192SU */
 164         /* Realtek */
 165         {USB_DEVICE(0x0BDA, 0x8174)},
 166         /* Belkin */
 167         {USB_DEVICE(0x050D, 0x845A)},
 168         /* Corega */
 169         {USB_DEVICE(0x07AA, 0x0051)},
 170         /* Edimax */
 171         {USB_DEVICE(0x7392, 0x7622)},
 172         /* NEC */
 173         {USB_DEVICE(0x0409, 0x02B6)},
 174         {}
 175 };
 176
 177 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 178
 179 static struct specific_device_id specific_device_id_tbl[] = {
 180         {.idVendor = 0x0b05, .idProduct = 0x1791,
 181                  .flags = SPEC_DEV_ID_DISABLE_HT},
 182         {.idVendor = 0x0df6, .idProduct = 0x0059,
 183                  .flags = SPEC_DEV_ID_DISABLE_HT},
 184         {.idVendor = 0x13d3, .idProduct = 0x3306,
 185                  .flags = SPEC_DEV_ID_DISABLE_HT},
 186         {.idVendor = 0x13D3, .idProduct = 0x3311,
 187                  .flags = SPEC_DEV_ID_DISABLE_HT},
 188         {.idVendor = 0x13d3, .idProduct = 0x3335,
 189                  .flags = SPEC_DEV_ID_DISABLE_HT},
 190         {.idVendor = 0x13d3, .idProduct = 0x3336,
 191                  .flags = SPEC_DEV_ID_DISABLE_HT},
 192         {.idVendor = 0x13d3, .idProduct = 0x3340,
 193                  .flags = SPEC_DEV_ID_DISABLE_HT},
 194         {.idVendor = 0x13d3, .idProduct = 0x3341,
 195                  .flags = SPEC_DEV_ID_DISABLE_HT},
 196         {}
 197 };
 198
 199 struct drv_priv {
 200         struct usb_driver r871xu_drv;
 201         int drv_registered;
 202 };
 203
 204 #ifdef CONFIG_PM
 205 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
 206 {
 207         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 208         struct _adapter *padapter = netdev_priv(pnetdev);
 209
 210         netdev_info(pnetdev, "Suspending...\n");
 211         if (!pnetdev || !netif_running(pnetdev)) {
 212                 netdev_info(pnetdev, "Unable to suspend\n");
 213                 return 0;
 214         }
 215         padapter->bSuspended = true;
 216         rtl871x_intf_stop(padapter);
 217         if (pnetdev->netdev_ops->ndo_stop)
 218                 pnetdev->netdev_ops->ndo_stop(pnetdev);
 219         mdelay(10);
 220         netif_device_detach(pnetdev);
 221         return 0;
 222 }
 223
 224 static void rtl871x_intf_resume(struct _adapter *padapter)
 225 {
 226         if (padapter->dvobjpriv.inirp_init)
 227                 padapter->dvobjpriv.inirp_init(padapter);
 228 }
 229
 230 static int r871x_resume(struct usb_interface *pusb_intf)
 231 {
 232         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 233         struct _adapter *padapter = netdev_priv(pnetdev);
 234
 235         netdev_info(pnetdev,  "Resuming...\n");
 236         if (!pnetdev || !netif_running(pnetdev)) {
 237                 netdev_info(pnetdev, "Unable to resume\n");
 238                 return 0;
 239         }
 240         netif_device_attach(pnetdev);
 241         if (pnetdev->netdev_ops->ndo_open)
 242                 pnetdev->netdev_ops->ndo_open(pnetdev);
 243         padapter->bSuspended = false;
 244         rtl871x_intf_resume(padapter);
 245         return 0;
 246 }
 247
 248 static int r871x_reset_resume(struct usb_interface *pusb_intf)
 249 {
 250         /* dummy routine */
 251         return 0;
 252 }
 253
 254 #endif
 255
 256 static struct drv_priv drvpriv = {
 257         .r871xu_drv.name = "r8712u",
 258         .r871xu_drv.id_table = rtl871x_usb_id_tbl,
 259         .r871xu_drv.probe = r871xu_drv_init,
 260         .r871xu_drv.disconnect = r871xu_dev_remove,
 261 #ifdef CONFIG_PM
 262         .r871xu_drv.suspend = r871x_suspend,
 263         .r871xu_drv.resume = r871x_resume,
 264         .r871xu_drv.reset_resume = r871x_reset_resume,
 265 #endif
 266 };
 267
 268 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
 269 {
 270         uint    status = _SUCCESS;
 271         struct  usb_host_interface              *phost_iface;
 272         struct  usb_interface_descriptor        *piface_desc;
 273         struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 274         struct usb_device *pusbd = pdvobjpriv->pusbdev;
 275
 276         pdvobjpriv->padapter = padapter;
 277         padapter->EepromAddressSize = 6;
 278         phost_iface = &pintf->altsetting[0];
 279         piface_desc = &phost_iface->desc;
 280         pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 281         if (pusbd->speed == USB_SPEED_HIGH) {
 282                 pdvobjpriv->ishighspeed = true;
 283                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 284                          pdvobjpriv->nr_endpoint);
 285         } else {
 286                 pdvobjpriv->ishighspeed = false;
 287                 dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
 288                          pdvobjpriv->nr_endpoint);
 289         }
 290         if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 291                 status = _FAIL;
 292         return status;
 293 }
 294
 295 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 296 {
 297 }
 298
 299 void rtl871x_intf_stop(struct _adapter *padapter)
 300 {
 301         /*disable_hw_interrupt*/
 302         if (!padapter->bSurpriseRemoved) {
 303                 /*device still exists, so driver can do i/o operation
 304                  * TODO:
 305                  */
 306         }
 307
 308         /* cancel in irp */
 309         if (padapter->dvobjpriv.inirp_deinit)
 310                 padapter->dvobjpriv.inirp_deinit(padapter);
 311         /* cancel out irp */
 312         r8712_usb_write_port_cancel(padapter);
 313         /* TODO:cancel other irps */
 314 }
 315
 316 void r871x_dev_unload(struct _adapter *padapter)
 317 {
 318         if (padapter->bup) {
 319                 /*s1.*/
 320                 padapter->bDriverStopped = true;
 321
 322                 /*s3.*/
 323                 rtl871x_intf_stop(padapter);
 324
 325                 /*s4.*/
 326                 r8712_stop_drv_threads(padapter);
 327
 328                 /*s5.*/
 329                 if (!padapter->bSurpriseRemoved) {
 330                         padapter->hw_init_completed = false;
 331                         rtl8712_hal_deinit(padapter);
 332                 }
 333
 334                 /*s6.*/
 335                 if (padapter->dvobj_deinit)
 336                         padapter->dvobj_deinit(padapter);
 337                 padapter->bup = false;
 338         }
 339 }
 340
 341 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 342                                       struct _adapter *padapter)
 343 {
 344         u16 vid, pid;
 345         u32 flags;
 346         int i;
 347         int num = ARRAY_SIZE(specific_device_id_tbl);
 348
 349         for (i = 0; i < num; i++) {
 350                 vid = specific_device_id_tbl[i].idVendor;
 351                 pid = specific_device_id_tbl[i].idProduct;
 352                 flags = specific_device_id_tbl[i].flags;
 353
 354                 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 355                     (flags & SPEC_DEV_ID_DISABLE_HT)) {
 356                         padapter->registrypriv.ht_enable = 0;
 357                         padapter->registrypriv.cbw40_enable = 0;
 358                         padapter->registrypriv.ampdu_enable = 0;
 359                 }
 360         }
 361 }
 362
 363 static const struct device_type wlan_type = {
 364         .name = "wlan",
 365 };
 366
 367 /*
 368  * drv_init() - a device potentially for us
 369  *
 370  * notes: drv_init() is called when the bus driver has located a card for us
 371  * to support. We accept the new device by returning 0.
 372  */
 373 static int r871xu_drv_init(struct usb_interface *pusb_intf,
 374                            const struct usb_device_id *pdid)
 375 {
 376         uint status;
 377         struct _adapter *padapter = NULL;
 378         struct dvobj_priv *pdvobjpriv;
 379         struct net_device *pnetdev;
 380         struct usb_device *udev;
 381
 382         /* In this probe function, O.S. will provide the usb interface pointer
 383          * to driver. We have to increase the reference count of the usb device
 384          * structure by using the usb_get_dev function.
 385          */
 386         udev = interface_to_usbdev(pusb_intf);
 387         usb_get_dev(udev);
 388         pintf = pusb_intf;
 389         /* step 1. */
 390         pnetdev = r8712_init_netdev();
 391         if (!pnetdev)
 392                 goto error;
 393         padapter = netdev_priv(pnetdev);
 394         disable_ht_for_spec_devid(pdid, padapter);
 395         pdvobjpriv = &padapter->dvobjpriv;
 396         pdvobjpriv->padapter = padapter;
 397         padapter->dvobjpriv.pusbdev = udev;
 398         padapter->pusb_intf = pusb_intf;
 399         usb_set_intfdata(pusb_intf, pnetdev);
 400         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 401         pnetdev->dev.type = &wlan_type;
 402         /* step 2. */
 403         padapter->dvobj_init = r8712_usb_dvobj_init;
 404         padapter->dvobj_deinit = r8712_usb_dvobj_deinit;
 405         padapter->halpriv.hal_bus_init = r8712_usb_hal_bus_init;
 406         padapter->dvobjpriv.inirp_init = r8712_usb_inirp_init;
 407         padapter->dvobjpriv.inirp_deinit = r8712_usb_inirp_deinit;
 408         /* step 3.
 409          * initialize the dvobj_priv
 410          */
 411         if (!padapter->dvobj_init) {
 412                 goto error;
 413         } else {
 414                 status = padapter->dvobj_init(padapter);
 415                 if (status != _SUCCESS)
 416                         goto error;
 417         }
 418         /* step 4. */
 419         status = r8712_init_drv_sw(padapter);
 420         if (status == _FAIL)
 421                 goto error;
 422         /* step 5. read efuse/eeprom data and get mac_addr */
 423         {
 424                 int i, offset;
 425                 u8 mac[6];
 426                 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 427                 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 428
 429                 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 430
 431                 /* To check system boot selection.*/
 432                 dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
 433                          (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 434                          (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 435
 436                 /* To check autoload success or not.*/
 437                 if (tmpU1b & _EEPROM_EN) {
 438                         AutoloadFail = true;
 439                         /* The following operations prevent Efuse leakage by
 440                          * turning on 2.5V.
 441                          */
 442                         tmpU1b = r8712_read8(padapter, EFUSE_TEST + 3);
 443                         r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 444                         msleep(20);
 445                         r8712_write8(padapter, EFUSE_TEST + 3,
 446                                      (tmpU1b & (~BIT(7))));
 447
 448                         /* Retrieve Chip version.
 449                          * Recognize IC version by Reg0x4 BIT15.
 450                          */
 451                         tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 452                                                     0x1F);
 453                         if (tmpU1b == 0x3)
 454                                 padapter->registrypriv.chip_version =
 455                                      RTL8712_3rdCUT;
 456                         else
 457                                 padapter->registrypriv.chip_version =
 458                                      (tmpU1b >> 1) + 1;
 459                         switch (padapter->registrypriv.chip_version) {
 460                         case RTL8712_1stCUT:
 461                         case RTL8712_2ndCUT:
 462                         case RTL8712_3rdCUT:
 463                                 break;
 464                         default:
 465                                 padapter->registrypriv.chip_version =
 466                                      RTL8712_2ndCUT;
 467                                 break;
 468                         }
 469
 470                         for (i = 0, offset = 0; i < 128; i += 8, offset++)
 471                                 r8712_efuse_pg_packet_read(padapter, offset,
 472                                                      &pdata[i]);
 473
 474                         if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
 475                                 /* Use the mac address stored in the Efuse
 476                                  * offset = 0x12 for usb in efuse
 477                                  */
 478                                 ether_addr_copy(mac, &pdata[0x12]);
 479                         }
 480                         eeprom_CustomerID = pdata[0x52];
 481                         switch (eeprom_CustomerID) {
 482                         case EEPROM_CID_ALPHA:
 483                                 padapter->eeprompriv.CustomerID =
 484                                                  RT_CID_819x_ALPHA;
 485                                 break;
 486                         case EEPROM_CID_CAMEO:
 487                                 padapter->eeprompriv.CustomerID =
 488                                                  RT_CID_819x_CAMEO;
 489                                 break;
 490                         case EEPROM_CID_SITECOM:
 491                                 padapter->eeprompriv.CustomerID =
 492                                                  RT_CID_819x_Sitecom;
 493                                 break;
 494                         case EEPROM_CID_COREGA:
 495                                 padapter->eeprompriv.CustomerID =
 496                                                  RT_CID_COREGA;
 497                                 break;
 498                         case EEPROM_CID_Senao:
 499                                 padapter->eeprompriv.CustomerID =
 500                                                  RT_CID_819x_Senao;
 501                                 break;
 502                         case EEPROM_CID_EDIMAX_BELKIN:
 503                                 padapter->eeprompriv.CustomerID =
 504                                                  RT_CID_819x_Edimax_Belkin;
 505                                 break;
 506                         case EEPROM_CID_SERCOMM_BELKIN:
 507                                 padapter->eeprompriv.CustomerID =
 508                                                  RT_CID_819x_Sercomm_Belkin;
 509                                 break;
 510                         case EEPROM_CID_WNC_COREGA:
 511                                 padapter->eeprompriv.CustomerID =
 512                                                  RT_CID_819x_WNC_COREGA;
 513                                 break;
 514                         case EEPROM_CID_WHQL:
 515                                 break;
 516                         case EEPROM_CID_NetCore:
 517                                 padapter->eeprompriv.CustomerID =
 518                                                  RT_CID_819x_Netcore;
 519                                 break;
 520                         case EEPROM_CID_CAMEO1:
 521                                 padapter->eeprompriv.CustomerID =
 522                                                  RT_CID_819x_CAMEO1;
 523                                 break;
 524                         case EEPROM_CID_CLEVO:
 525                                 padapter->eeprompriv.CustomerID =
 526                                                  RT_CID_819x_CLEVO;
 527                                 break;
 528                         default:
 529                                 padapter->eeprompriv.CustomerID =
 530                                                  RT_CID_DEFAULT;
 531                                 break;
 532                         }
 533                         dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
 534                                  padapter->eeprompriv.CustomerID);
 535                         /* Led mode */
 536                         switch (padapter->eeprompriv.CustomerID) {
 537                         case RT_CID_DEFAULT:
 538                         case RT_CID_819x_ALPHA:
 539                         case RT_CID_819x_CAMEO:
 540                                 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 541                                 padapter->ledpriv.bRegUseLed = true;
 542                                 break;
 543                         case RT_CID_819x_Sitecom:
 544                                 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 545                                 padapter->ledpriv.bRegUseLed = true;
 546                                 break;
 547                         case RT_CID_COREGA:
 548                         case RT_CID_819x_Senao:
 549                                 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 550                                 padapter->ledpriv.bRegUseLed = true;
 551                                 break;
 552                         case RT_CID_819x_Edimax_Belkin:
 553                                 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 554                                 padapter->ledpriv.bRegUseLed = true;
 555                                 break;
 556                         case RT_CID_819x_Sercomm_Belkin:
 557                                 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 558                                 padapter->ledpriv.bRegUseLed = true;
 559                                 break;
 560                         case RT_CID_819x_WNC_COREGA:
 561                                 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 562                                 padapter->ledpriv.bRegUseLed = true;
 563                                 break;
 564                         default:
 565                                 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 566                                 padapter->ledpriv.bRegUseLed = false;
 567                                 break;
 568                         }
 569                 } else {
 570                         AutoloadFail = false;
 571                 }
 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)) {
 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                         dev_info(&udev->dev,
 592                                 "r8712u: MAC Address from user = %pM\n", mac);
 593                 } else
 594                         dev_info(&udev->dev,
 595                                 "r8712u: MAC Address from efuse = %pM\n", mac);
 596                 ether_addr_copy(pnetdev->dev_addr, mac);
 597         }
 598         /* step 6. Load the firmware asynchronously */
 599         if (rtl871x_load_fw(padapter))
 600                 goto error;
 601         spin_lock_init(&padapter->lockRxFF0Filter);
 602         mutex_init(&padapter->mutex_start);
 603         return 0;
 604 error:
 605         usb_put_dev(udev);
 606         usb_set_intfdata(pusb_intf, NULL);
 607         if (padapter && padapter->dvobj_deinit != NULL)
 608                 padapter->dvobj_deinit(padapter);
 609         if (pnetdev)
 610                 free_netdev(pnetdev);
 611         return -ENODEV;
 612 }
 613
 614 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 615  * => how to recognize both
 616  */
 617 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 618 {
 619         struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 620         struct usb_device *udev = interface_to_usbdev(pusb_intf);
 621
 622         if (pnetdev) {
 623                 struct _adapter *padapter = netdev_priv(pnetdev);
 624
 625                 usb_set_intfdata(pusb_intf, NULL);
 626                 release_firmware(padapter->fw);
 627                 /* never exit with a firmware callback pending */
 628                 wait_for_completion(&padapter->rtl8712_fw_ready);
 629                 if (drvpriv.drv_registered)
 630                         padapter->bSurpriseRemoved = true;
 631                 unregister_netdev(pnetdev); /* will call netdev_close() */
 632                 flush_scheduled_work();
 633                 udelay(1);
 634                 /* Stop driver mlme relation timer */
 635                 r8712_stop_drv_timers(padapter);
 636                 r871x_dev_unload(padapter);
 637                 r8712_free_drv_sw(padapter);
 638
 639                 /* decrease the reference count of the usb device structure
 640                  * when disconnect
 641                  */
 642                 usb_put_dev(udev);
 643         }
 644         /* If we didn't unplug usb dongle and remove/insert module, driver
 645          * fails on sitesurvey for the first time when device is up.
 646          * Reset usb port for sitesurvey fail issue.
 647          */
 648         if (udev->state != USB_STATE_NOTATTACHED)
 649                 usb_reset_device(udev);
 650 }
 651
 652 static int __init r8712u_drv_entry(void)
 653 {
 654         drvpriv.drv_registered = true;
 655         return usb_register(&drvpriv.r871xu_drv);
 656 }
 657
 658 static void __exit r8712u_drv_halt(void)
 659 {
 660         drvpriv.drv_registered = false;
 661         usb_deregister(&drvpriv.r871xu_drv);
 662 }
 663
 664 module_init(r8712u_drv_entry);
 665 module_exit(r8712u_drv_halt);