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 "osdep_service.h"
  32#include "drv_types.h"
  33#include "recv_osdep.h"
  34#include "xmit_osdep.h"
  35#include "rtl8712_efuse.h"
  36#include "usb_vendor_req.h"
  37#include "usb_ops.h"
  38#include "usb_osintf.h"
  39
  40#define DRVER  "v7_0.20100831"
  41
  42static struct usb_interface *pintf;
  43
  44static int r871xu_drv_init(struct usb_interface *pusb_intf,
  45                           const struct usb_device_id *pdid);
  46
  47static void r871xu_dev_remove(struct usb_interface *pusb_intf);
  48
  49static struct usb_device_id rtl871x_usb_id_tbl[] = {
  50
  51/* RTL8188SU */
  52        /* Realtek */
  53        {USB_DEVICE(0x0BDA, 0x8171)},
  54        {USB_DEVICE(0x0bda, 0x8173)},
  55        {USB_DEVICE(0x0bda, 0x8712)},
  56        {USB_DEVICE(0x0bda, 0x8713)},
  57        {USB_DEVICE(0x0bda, 0xC512)},
  58        /* Abocom */
  59        {USB_DEVICE(0x07B8, 0x8188)},
  60        /* ASUS */
  61        {USB_DEVICE(0x0B05, 0x1786)},
  62        {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
  63        /* Belkin */
  64        {USB_DEVICE(0x050D, 0x945A)},
  65        /* Corega */
  66        {USB_DEVICE(0x07AA, 0x0047)},
  67        /* D-Link */
  68        {USB_DEVICE(0x2001, 0x3306)},
  69        {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
  70        /* Edimax */
  71        {USB_DEVICE(0x7392, 0x7611)},
  72        /* EnGenius */
  73        {USB_DEVICE(0x1740, 0x9603)},
  74        /* Hawking */
  75        {USB_DEVICE(0x0E66, 0x0016)},
  76        /* Hercules */
  77        {USB_DEVICE(0x06F8, 0xE034)},
  78        {USB_DEVICE(0x06F8, 0xE032)},
  79        /* Logitec */
  80        {USB_DEVICE(0x0789, 0x0167)},
  81        /* PCI */
  82        {USB_DEVICE(0x2019, 0xAB28)},
  83        {USB_DEVICE(0x2019, 0xED16)},
  84        /* Sitecom */
  85        {USB_DEVICE(0x0DF6, 0x0057)},
  86        {USB_DEVICE(0x0DF6, 0x0045)},
  87        {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
  88        {USB_DEVICE(0x0DF6, 0x004B)},
  89        {USB_DEVICE(0x0DF6, 0x0063)},
  90        /* Sweex */
  91        {USB_DEVICE(0x177F, 0x0154)},
  92        /* Thinkware */
  93        {USB_DEVICE(0x0BDA, 0x5077)},
  94        /* Toshiba */
  95        {USB_DEVICE(0x1690, 0x0752)},
  96        /* - */
  97        {USB_DEVICE(0x20F4, 0x646B)},
  98        {USB_DEVICE(0x083A, 0xC512)},
  99
 100/* RTL8191SU */
 101        /* Realtek */
 102        {USB_DEVICE(0x0BDA, 0x8172)},
 103        /* Amigo */
 104        {USB_DEVICE(0x0EB0, 0x9061)},
 105        /* ASUS/EKB */
 106        {USB_DEVICE(0x0BDA, 0x8172)},
 107        {USB_DEVICE(0x13D3, 0x3323)},
 108        {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
 109        {USB_DEVICE(0x13D3, 0x3342)},
 110        /* ASUS/EKBLenovo */
 111        {USB_DEVICE(0x13D3, 0x3333)},
 112        {USB_DEVICE(0x13D3, 0x3334)},
 113        {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
 114        {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
 115        /* ASUS/Media BOX */
 116        {USB_DEVICE(0x13D3, 0x3309)},
 117        /* Belkin */
 118        {USB_DEVICE(0x050D, 0x815F)},
 119        /* D-Link */
 120        {USB_DEVICE(0x07D1, 0x3302)},
 121        {USB_DEVICE(0x07D1, 0x3300)},
 122        {USB_DEVICE(0x07D1, 0x3303)},
 123        /* Edimax */
 124        {USB_DEVICE(0x7392, 0x7612)},
 125        /* EnGenius */
 126        {USB_DEVICE(0x1740, 0x9605)},
 127        /* Guillemot */
 128        {USB_DEVICE(0x06F8, 0xE031)},
 129        /* Hawking */
 130        {USB_DEVICE(0x0E66, 0x0015)},
 131        /* Mediao */
 132        {USB_DEVICE(0x13D3, 0x3306)},
 133        /* PCI */
 134        {USB_DEVICE(0x2019, 0xED18)},
 135        {USB_DEVICE(0x2019, 0x4901)},
 136        /* Sitecom */
 137        {USB_DEVICE(0x0DF6, 0x0058)},
 138        {USB_DEVICE(0x0DF6, 0x0049)},
 139        {USB_DEVICE(0x0DF6, 0x004C)},
 140        {USB_DEVICE(0x0DF6, 0x0064)},
 141        /* Skyworth */
 142        {USB_DEVICE(0x14b2, 0x3300)},
 143        {USB_DEVICE(0x14b2, 0x3301)},
 144        {USB_DEVICE(0x14B2, 0x3302)},
 145        /* - */
 146        {USB_DEVICE(0x04F2, 0xAFF2)},
 147        {USB_DEVICE(0x04F2, 0xAFF5)},
 148        {USB_DEVICE(0x04F2, 0xAFF6)},
 149        {USB_DEVICE(0x13D3, 0x3339)},
 150        {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
 151        {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
 152        {USB_DEVICE(0x13D3, 0x3310)},
 153        {USB_DEVICE(0x13D3, 0x3325)},
 154
 155/* RTL8192SU */
 156        /* Realtek */
 157        {USB_DEVICE(0x0BDA, 0x8174)},
 158        {USB_DEVICE(0x0BDA, 0x8174)},
 159        /* Belkin */
 160        {USB_DEVICE(0x050D, 0x845A)},
 161        /* Corega */
 162        {USB_DEVICE(0x07AA, 0x0051)},
 163        /* Edimax */
 164        {USB_DEVICE(0x7392, 0x7622)},
 165        /* NEC */
 166        {USB_DEVICE(0x0409, 0x02B6)},
 167        {}
 168};
 169
 170MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 171
 172static struct specific_device_id specific_device_id_tbl[] = {
 173        {.idVendor = 0x0b05, .idProduct = 0x1791,
 174                 .flags = SPEC_DEV_ID_DISABLE_HT},
 175        {.idVendor = 0x0df6, .idProduct = 0x0059,
 176                 .flags = SPEC_DEV_ID_DISABLE_HT},
 177        {.idVendor = 0x13d3, .idProduct = 0x3306,
 178                 .flags = SPEC_DEV_ID_DISABLE_HT},
 179        {.idVendor = 0x13D3, .idProduct = 0x3311,
 180                 .flags = SPEC_DEV_ID_DISABLE_HT},
 181        {.idVendor = 0x13d3, .idProduct = 0x3335,
 182                 .flags = SPEC_DEV_ID_DISABLE_HT},
 183        {.idVendor = 0x13d3, .idProduct = 0x3336,
 184                 .flags = SPEC_DEV_ID_DISABLE_HT},
 185        {.idVendor = 0x13d3, .idProduct = 0x3340,
 186                 .flags = SPEC_DEV_ID_DISABLE_HT},
 187        {.idVendor = 0x13d3, .idProduct = 0x3341,
 188                 .flags = SPEC_DEV_ID_DISABLE_HT},
 189        {}
 190};
 191
 192struct drv_priv {
 193        struct usb_driver r871xu_drv;
 194        int drv_registered;
 195};
 196
 197#ifdef CONFIG_PM
 198static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
 199{
 200        struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 201
 202        printk(KERN_INFO "r8712: suspending...\n");
 203        if (!pnetdev || !netif_running(pnetdev)) {
 204                printk(KERN_INFO "r8712: unable to suspend\n");
 205                return 0;
 206        }
 207        if (pnetdev->netdev_ops->ndo_stop)
 208                pnetdev->netdev_ops->ndo_stop(pnetdev);
 209        mdelay(10);
 210        netif_device_detach(pnetdev);
 211        return 0;
 212}
 213
 214static int r871x_resume(struct usb_interface *pusb_intf)
 215{
 216        struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 217
 218        printk(KERN_INFO "r8712: resuming...\n");
 219        if (!pnetdev || !netif_running(pnetdev)) {
 220                printk(KERN_INFO "r8712: unable to resume\n");
 221                return 0;
 222        }
 223        netif_device_attach(pnetdev);
 224        if (pnetdev->netdev_ops->ndo_open)
 225                pnetdev->netdev_ops->ndo_open(pnetdev);
 226        return 0;
 227}
 228
 229static int r871x_reset_resume(struct usb_interface *pusb_intf)
 230{
 231        /* dummy routine */
 232        return 0;
 233}
 234
 235#endif
 236
 237static struct drv_priv drvpriv = {
 238        .r871xu_drv.name = "r8712u",
 239        .r871xu_drv.id_table = rtl871x_usb_id_tbl,
 240        .r871xu_drv.probe = r871xu_drv_init,
 241        .r871xu_drv.disconnect = r871xu_dev_remove,
 242#ifdef CONFIG_PM
 243        .r871xu_drv.suspend = r871x_suspend,
 244        .r871xu_drv.resume = r871x_resume,
 245        .r871xu_drv.reset_resume = r871x_reset_resume,
 246#endif
 247};
 248
 249static uint r8712_usb_dvobj_init(struct _adapter *padapter)
 250{
 251        uint    status = _SUCCESS;
 252        struct  usb_device_descriptor           *pdev_desc;
 253        struct  usb_host_config                 *phost_conf;
 254        struct  usb_config_descriptor           *pconf_desc;
 255        struct  usb_host_interface              *phost_iface;
 256        struct  usb_interface_descriptor        *piface_desc;
 257        struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
 258        struct usb_device *pusbd = pdvobjpriv->pusbdev;
 259
 260        pdvobjpriv->padapter = padapter;
 261        padapter->EepromAddressSize = 6;
 262        pdev_desc = &pusbd->descriptor;
 263        phost_conf = pusbd->actconfig;
 264        pconf_desc = &phost_conf->desc;
 265        phost_iface = &pintf->altsetting[0];
 266        piface_desc = &phost_iface->desc;
 267        pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
 268        if (pusbd->speed == USB_SPEED_HIGH) {
 269                pdvobjpriv->ishighspeed = true;
 270                printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
 271                       pdvobjpriv->nr_endpoint);
 272        } else {
 273                pdvobjpriv->ishighspeed = false;
 274                printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
 275                       pdvobjpriv->nr_endpoint);
 276        }
 277        if ((r8712_alloc_io_queue(padapter)) == _FAIL)
 278                status = _FAIL;
 279        sema_init(&(padapter->dvobjpriv.usb_suspend_sema), 0);
 280        return status;
 281}
 282
 283static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
 284{
 285}
 286
 287void rtl871x_intf_stop(struct _adapter *padapter)
 288{
 289        /*disable_hw_interrupt*/
 290        if (padapter->bSurpriseRemoved == false) {
 291                /*device still exists, so driver can do i/o operation
 292                 * TODO: */
 293        }
 294
 295        /* cancel in irp */
 296        if (padapter->dvobjpriv.inirp_deinit != NULL)
 297                padapter->dvobjpriv.inirp_deinit(padapter);
 298        /* cancel out irp */
 299        r8712_usb_write_port_cancel(padapter);
 300        /* TODO:cancel other irps */
 301}
 302
 303void r871x_dev_unload(struct _adapter *padapter)
 304{
 305        if (padapter->bup == true) {
 306                /*s1.*/
 307                padapter->bDriverStopped = true;
 308
 309                /*s3.*/
 310                rtl871x_intf_stop(padapter);
 311
 312                /*s4.*/
 313                r8712_stop_drv_threads(padapter);
 314
 315                /*s5.*/
 316                if (padapter->bSurpriseRemoved == false) {
 317                        padapter->hw_init_completed = false;
 318                        rtl8712_hal_deinit(padapter);
 319                }
 320
 321                /*s6.*/
 322                if (padapter->dvobj_deinit)
 323                        padapter->dvobj_deinit(padapter);
 324                padapter->bup = false;
 325        }
 326}
 327
 328static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 329                                      struct _adapter *padapter)
 330{
 331        u16 vid, pid;
 332        u32 flags;
 333        int i;
 334        int num = sizeof(specific_device_id_tbl) /
 335                  sizeof(struct specific_device_id);
 336
 337        for (i = 0; i < num; i++) {
 338                vid = specific_device_id_tbl[i].idVendor;
 339                pid = specific_device_id_tbl[i].idProduct;
 340                flags = specific_device_id_tbl[i].flags;
 341
 342                if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
 343                    (flags&SPEC_DEV_ID_DISABLE_HT)) {
 344                        padapter->registrypriv.ht_enable = 0;
 345                        padapter->registrypriv.cbw40_enable = 0;
 346                        padapter->registrypriv.ampdu_enable = 0;
 347                }
 348        }
 349}
 350
 351static u8 key_2char2num(u8 hch, u8 lch)
 352{
 353        return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
 354}
 355
 356/*
 357 * drv_init() - a device potentially for us
 358 *
 359 * notes: drv_init() is called when the bus driver has located a card for us
 360 * to support. We accept the new device by returning 0.
 361*/
 362static int r871xu_drv_init(struct usb_interface *pusb_intf,
 363                           const struct usb_device_id *pdid)
 364{
 365        uint status;
 366        struct _adapter *padapter = NULL;
 367        struct dvobj_priv *pdvobjpriv;
 368        struct net_device *pnetdev;
 369
 370        printk(KERN_INFO "r8712u: DriverVersion: %s\n", DRVER);
 371        /* In this probe function, O.S. will provide the usb interface pointer
 372         * to driver. We have to increase the reference count of the usb device
 373         * structure by using the usb_get_dev function.
 374         */
 375        usb_get_dev(interface_to_usbdev(pusb_intf));
 376        pintf = pusb_intf;
 377        /* step 1. */
 378        pnetdev = r8712_init_netdev();
 379        if (!pnetdev)
 380                goto error;
 381        padapter = (struct _adapter *)_netdev_priv(pnetdev);
 382        disable_ht_for_spec_devid(pdid, padapter);
 383        pdvobjpriv = &padapter->dvobjpriv;
 384        pdvobjpriv->padapter = padapter;
 385        padapter->dvobjpriv.pusbdev = interface_to_usbdev(pusb_intf);
 386        usb_set_intfdata(pusb_intf, pnetdev);
 387        SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 388        /* step 2. */
 389        padapter->dvobj_init = &r8712_usb_dvobj_init;
 390        padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
 391        padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
 392        padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
 393        padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
 394        /* step 3.
 395         * initialize the dvobj_priv
 396         */
 397        if (padapter->dvobj_init == NULL)
 398                        goto error;
 399        else {
 400                status = padapter->dvobj_init(padapter);
 401                if (status != _SUCCESS)
 402                        goto error;
 403        }
 404        /* step 4. */
 405        status = r8712_init_drv_sw(padapter);
 406        if (status == _FAIL)
 407                goto error;
 408        /* step 5. read efuse/eeprom data and get mac_addr */
 409        {
 410                int i, offset;
 411                u8 mac[6];
 412                u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
 413                u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
 414
 415                tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
 416
 417                /* To check system boot selection.*/
 418                printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
 419                       (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
 420                       (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
 421
 422                /* To check autoload success or not.*/
 423                if (tmpU1b & _EEPROM_EN) {
 424                        AutoloadFail = true;
 425                        /* The following operations prevent Efuse leakage by
 426                         * turning on 2.5V.
 427                         */
 428                        tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
 429                        r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
 430                        msleep(20);
 431                        r8712_write8(padapter, EFUSE_TEST + 3,
 432                                     (tmpU1b & (~BIT(7))));
 433
 434                        /* Retrieve Chip version.
 435                         * Recognize IC version by Reg0x4 BIT15.
 436                         */
 437                        tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
 438                                                    0x1F);
 439                        if (tmpU1b == 0x3)
 440                                padapter->registrypriv.chip_version =
 441                                     RTL8712_3rdCUT;
 442                        else
 443                                padapter->registrypriv.chip_version =
 444                                     (tmpU1b >> 1) + 1;
 445                        switch (padapter->registrypriv.chip_version) {
 446                        case RTL8712_1stCUT:
 447                        case RTL8712_2ndCUT:
 448                        case RTL8712_3rdCUT:
 449                                break;
 450                        default:
 451                                padapter->registrypriv.chip_version =
 452                                     RTL8712_2ndCUT;
 453                                break;
 454                        }
 455
 456                        for (i = 0, offset = 0; i < 128; i += 8, offset++)
 457                                r8712_efuse_pg_packet_read(padapter, offset,
 458                                                     &pdata[i]);
 459
 460                        if (r8712_initmac) {
 461                                /* Users specify the mac address */
 462                                int jj, kk;
 463
 464                                for (jj = 0, kk = 0; jj < ETH_ALEN;
 465                                     jj++, kk += 3)
 466                                        mac[jj] =
 467                                           key_2char2num(r8712_initmac[kk],
 468                                           r8712_initmac[kk + 1]);
 469                        } else {
 470                                /* Use the mac address stored in the Efuse
 471                                 * offset = 0x12 for usb in efuse
 472                                 */
 473                                memcpy(mac, &pdata[0x12], ETH_ALEN);
 474                        }
 475                        eeprom_CustomerID = pdata[0x52];
 476                        switch (eeprom_CustomerID) {
 477                        case EEPROM_CID_ALPHA:
 478                                padapter->eeprompriv.CustomerID =
 479                                                 RT_CID_819x_ALPHA;
 480                                break;
 481                        case EEPROM_CID_CAMEO:
 482                                padapter->eeprompriv.CustomerID =
 483                                                 RT_CID_819x_CAMEO;
 484                                break;
 485                        case EEPROM_CID_SITECOM:
 486                                padapter->eeprompriv.CustomerID =
 487                                                 RT_CID_819x_Sitecom;
 488                                break;
 489                        case EEPROM_CID_COREGA:
 490                                padapter->eeprompriv.CustomerID =
 491                                                 RT_CID_COREGA;
 492                                break;
 493                        case EEPROM_CID_Senao:
 494                                padapter->eeprompriv.CustomerID =
 495                                                 RT_CID_819x_Senao;
 496                                break;
 497                        case EEPROM_CID_EDIMAX_BELKIN:
 498                                padapter->eeprompriv.CustomerID =
 499                                                 RT_CID_819x_Edimax_Belkin;
 500                                break;
 501                        case EEPROM_CID_SERCOMM_BELKIN:
 502                                padapter->eeprompriv.CustomerID =
 503                                                 RT_CID_819x_Sercomm_Belkin;
 504                                break;
 505                        case EEPROM_CID_WNC_COREGA:
 506                                padapter->eeprompriv.CustomerID =
 507                                                 RT_CID_819x_WNC_COREGA;
 508                                break;
 509                        case EEPROM_CID_WHQL:
 510                                break;
 511                        case EEPROM_CID_NetCore:
 512                                padapter->eeprompriv.CustomerID =
 513                                                 RT_CID_819x_Netcore;
 514                                break;
 515                        case EEPROM_CID_CAMEO1:
 516                                padapter->eeprompriv.CustomerID =
 517                                                 RT_CID_819x_CAMEO1;
 518                                break;
 519                        case EEPROM_CID_CLEVO:
 520                                padapter->eeprompriv.CustomerID =
 521                                                 RT_CID_819x_CLEVO;
 522                                break;
 523                        default:
 524                                padapter->eeprompriv.CustomerID =
 525                                                 RT_CID_DEFAULT;
 526                                break;
 527                        }
 528                        printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
 529                             padapter->eeprompriv.CustomerID);
 530                        /* Led mode */
 531                        switch (padapter->eeprompriv.CustomerID) {
 532                        case RT_CID_DEFAULT:
 533                        case RT_CID_819x_ALPHA:
 534                        case RT_CID_819x_CAMEO:
 535                                padapter->ledpriv.LedStrategy = SW_LED_MODE1;
 536                                padapter->ledpriv.bRegUseLed = true;
 537                                break;
 538                        case RT_CID_819x_Sitecom:
 539                                padapter->ledpriv.LedStrategy = SW_LED_MODE2;
 540                                padapter->ledpriv.bRegUseLed = true;
 541                                break;
 542                        case RT_CID_COREGA:
 543                        case RT_CID_819x_Senao:
 544                                padapter->ledpriv.LedStrategy = SW_LED_MODE3;
 545                                padapter->ledpriv.bRegUseLed = true;
 546                                break;
 547                        case RT_CID_819x_Edimax_Belkin:
 548                                padapter->ledpriv.LedStrategy = SW_LED_MODE4;
 549                                padapter->ledpriv.bRegUseLed = true;
 550                                break;
 551                        case RT_CID_819x_Sercomm_Belkin:
 552                                padapter->ledpriv.LedStrategy = SW_LED_MODE5;
 553                                padapter->ledpriv.bRegUseLed = true;
 554                                break;
 555                        case RT_CID_819x_WNC_COREGA:
 556                                padapter->ledpriv.LedStrategy = SW_LED_MODE6;
 557                                padapter->ledpriv.bRegUseLed = true;
 558                                break;
 559                        default:
 560                                padapter->ledpriv.LedStrategy = SW_LED_MODE0;
 561                                padapter->ledpriv.bRegUseLed = false;
 562                                break;
 563                        }
 564                } else
 565                        AutoloadFail = false;
 566                if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
 567                     (mac[2] == 0xff) && (mac[3] == 0xff) &&
 568                     (mac[4] == 0xff) && (mac[5] == 0xff)) ||
 569                    ((mac[0] == 0x00) && (mac[1] == 0x00) &&
 570                     (mac[2] == 0x00) && (mac[3] == 0x00) &&
 571                     (mac[4] == 0x00) && (mac[5] == 0x00)) ||
 572                     (AutoloadFail == false)) {
 573                        mac[0] = 0x00;
 574                        mac[1] = 0xe0;
 575                        mac[2] = 0x4c;
 576                        mac[3] = 0x87;
 577                        mac[4] = 0x00;
 578                        mac[5] = 0x00;
 579                }
 580                if (r8712_initmac) {
 581                        /* Make sure the user did not select a multicast
 582                         * address by setting bit 1 of first octet.
 583                         */
 584                        mac[0] &= 0xFE;
 585                        printk(KERN_INFO "r8712u: MAC Address from user = "
 586                               "%pM\n", mac);
 587                } else
 588                        printk(KERN_INFO "r8712u: MAC Address from efuse = "
 589                               "%pM\n", mac);
 590                memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 591        }
 592        /* step 6. Tell the network stack we exist */
 593        if (register_netdev(pnetdev) != 0)
 594                goto error;
 595        return 0;
 596error:
 597        usb_put_dev(interface_to_usbdev(pusb_intf));
 598        usb_set_intfdata(pusb_intf, NULL);
 599        if (padapter->dvobj_deinit != NULL)
 600                padapter->dvobj_deinit(padapter);
 601        if (pnetdev)
 602                os_free_netdev(pnetdev);
 603        return -ENODEV;
 604}
 605
 606/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
 607 * => how to recognize both */
 608static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 609{
 610        struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
 611        struct _adapter *padapter = netdev_priv(pnetdev);
 612        struct usb_device *udev = interface_to_usbdev(pusb_intf);
 613
 614        if (padapter) {
 615                if (drvpriv.drv_registered == true)
 616                        padapter->bSurpriseRemoved = true;
 617                if (pnetdev != NULL) {
 618                        /* will call netdev_close() */
 619                        unregister_netdev(pnetdev);
 620                }
 621                flush_scheduled_work();
 622                udelay(1);
 623                r871x_dev_unload(padapter);
 624                r8712_free_drv_sw(padapter);
 625        }
 626        usb_set_intfdata(pusb_intf, NULL);
 627        /* decrease the reference count of the usb device structure
 628         * when disconnect */
 629        usb_put_dev(udev);
 630        /* If we didn't unplug usb dongle and remove/insert modlue, driver
 631         * fails on sitesurvey for the first time when device is up.
 632         * Reset usb port for sitesurvey fail issue. */
 633        if (udev->state != USB_STATE_NOTATTACHED)
 634                usb_reset_device(udev);
 635        return;
 636}
 637
 638static int __init r8712u_drv_entry(void)
 639{
 640        drvpriv.drv_registered = true;
 641        return usb_register(&drvpriv.r871xu_drv);
 642}
 643
 644static void __exit r8712u_drv_halt(void)
 645{
 646        drvpriv.drv_registered = false;
 647        usb_deregister(&drvpriv.r871xu_drv);
 648        printk(KERN_INFO "r8712u: Driver unloaded\n");
 649}
 650
 651module_init(r8712u_drv_entry);
 652module_exit(r8712u_drv_halt);
 653