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); 666