LXR linux/drivers/staging/rtl8712/usb

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