linux/drivers/staging/rtl8712/usb_intf.c
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   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
  43static struct usb_interface *pintf;
  44
  45static int r871xu_drv_init(struct usb_interface *pusb_intf,
  46                           const struct usb_device_id *pdid);
  47
  48static void r871xu_dev_remove(struct usb_interface *pusb_intf);
  49
  50static const 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
 177MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 178
 179static 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
 199struct drv_priv {
 200        struct usb_driver r871xu_drv;
 201        int drv_registered;
 202};
 203
 204#ifdef CONFIG_PM
 205static 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
 224static void rtl871x_intf_resume(struct _adapter *padapter)
 225{
 226        if (padapter->dvobjpriv.inirp_init)
 227                padapter->dvobjpriv.inirp_init(padapter);
 228}
 229
 230static 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
 248static int r871x_reset_resume(struct usb_interface *pusb_intf)
 249{
 250        /* dummy routine */
 251        return 0;
 252}
 253
 254#endif
 255
 256static 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
 268static 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
 295static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 296{
 297}
 298
 299void 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
 316void 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
 341static 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
 363static 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 */
 373static 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                }
 597                ether_addr_copy(pnetdev->dev_addr, mac);
 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;
 605error:
 606        usb_put_dev(udev);
 607        usb_set_intfdata(pusb_intf, NULL);
 608        if (padapter && 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 */
 618static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 619{
 620        struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 621        struct usb_device *udev = interface_to_usbdev(pusb_intf);
 622
 623        if (pnetdev) {
 624                struct _adapter *padapter = netdev_priv(pnetdev);
 625
 626                usb_set_intfdata(pusb_intf, NULL);
 627                release_firmware(padapter->fw);
 628                /* never exit with a firmware callback pending */
 629                wait_for_completion(&padapter->rtl8712_fw_ready);
 630                if (drvpriv.drv_registered)
 631                        padapter->bSurpriseRemoved = true;
 632                unregister_netdev(pnetdev); /* will call netdev_close() */
 633                flush_scheduled_work();
 634                udelay(1);
 635                /* Stop driver mlme relation timer */
 636                r8712_stop_drv_timers(padapter);
 637                r871x_dev_unload(padapter);
 638                r8712_free_drv_sw(padapter);
 639
 640                /* decrease the reference count of the usb device structure
 641                 * when disconnect
 642                 */
 643                usb_put_dev(udev);
 644        }
 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         */
 649        if (udev->state != USB_STATE_NOTATTACHED)
 650                usb_reset_device(udev);
 651}
 652
 653static int __init r8712u_drv_entry(void)
 654{
 655        drvpriv.drv_registered = true;
 656        return usb_register(&drvpriv.r871xu_drv);
 657}
 658
 659static void __exit r8712u_drv_halt(void)
 660{
 661        drvpriv.drv_registered = false;
 662        usb_deregister(&drvpriv.r871xu_drv);
 663}
 664
 665module_init(r8712u_drv_entry);
 666module_exit(r8712u_drv_halt);
 667