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, 0x0064)}, 148 /* Skyworth */ 149 {USB_DEVICE(0x14b2, 0x3300)}, 150 {USB_DEVICE(0x14b2, 0x3301)}, 151 {USB_DEVICE(0x14B2, 0x3302)}, 152 /* - */ 153 {USB_DEVICE(0x04F2, 0xAFF2)}, 154 {USB_DEVICE(0x04F2, 0xAFF5)}, 155 {USB_DEVICE(0x04F2, 0xAFF6)}, 156 {USB_DEVICE(0x13D3, 0x3339)}, 157 {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */ 158 {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */ 159 {USB_DEVICE(0x13D3, 0x3310)}, 160 {USB_DEVICE(0x13D3, 0x3325)}, 161 162/* RTL8192SU */ 163 /* Realtek */ 164 {USB_DEVICE(0x0BDA, 0x8174)}, 165 /* Belkin */ 166 {USB_DEVICE(0x050D, 0x845A)}, 167 /* Corega */ 168 {USB_DEVICE(0x07AA, 0x0051)}, 169 /* Edimax */ 170 {USB_DEVICE(0x7392, 0x7622)}, 171 /* NEC */ 172 {USB_DEVICE(0x0409, 0x02B6)}, 173 {} 174}; 175 176MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl); 177 178static struct specific_device_id specific_device_id_tbl[] = { 179 {.idVendor = 0x0b05, .idProduct = 0x1791, 180 .flags = SPEC_DEV_ID_DISABLE_HT}, 181 {.idVendor = 0x0df6, .idProduct = 0x0059, 182 .flags = SPEC_DEV_ID_DISABLE_HT}, 183 {.idVendor = 0x13d3, .idProduct = 0x3306, 184 .flags = SPEC_DEV_ID_DISABLE_HT}, 185 {.idVendor = 0x13D3, .idProduct = 0x3311, 186 .flags = SPEC_DEV_ID_DISABLE_HT}, 187 {.idVendor = 0x13d3, .idProduct = 0x3335, 188 .flags = SPEC_DEV_ID_DISABLE_HT}, 189 {.idVendor = 0x13d3, .idProduct = 0x3336, 190 .flags = SPEC_DEV_ID_DISABLE_HT}, 191 {.idVendor = 0x13d3, .idProduct = 0x3340, 192 .flags = SPEC_DEV_ID_DISABLE_HT}, 193 {.idVendor = 0x13d3, .idProduct = 0x3341, 194 .flags = SPEC_DEV_ID_DISABLE_HT}, 195 {} 196}; 197 198struct drv_priv { 199 struct usb_driver r871xu_drv; 200 int drv_registered; 201}; 202 203#ifdef CONFIG_PM 204static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state) 205{ 206 struct net_device *pnetdev = usb_get_intfdata(pusb_intf); 207 208 netdev_info(pnetdev, "Suspending...\n"); 209 if (!pnetdev || !netif_running(pnetdev)) { 210 netdev_info(pnetdev, "Unable to suspend\n"); 211 return 0; 212 } 213 if (pnetdev->netdev_ops->ndo_stop) 214 pnetdev->netdev_ops->ndo_stop(pnetdev); 215 mdelay(10); 216 netif_device_detach(pnetdev); 217 return 0; 218} 219 220static int r871x_resume(struct usb_interface *pusb_intf) 221{ 222 struct net_device *pnetdev = usb_get_intfdata(pusb_intf); 223 224 netdev_info(pnetdev, "Resuming...\n"); 225 if (!pnetdev || !netif_running(pnetdev)) { 226 netdev_info(pnetdev, "Unable to resume\n"); 227 return 0; 228 } 229 netif_device_attach(pnetdev); 230 if (pnetdev->netdev_ops->ndo_open) 231 pnetdev->netdev_ops->ndo_open(pnetdev); 232 return 0; 233} 234 235static int r871x_reset_resume(struct usb_interface *pusb_intf) 236{ 237 /* dummy routine */ 238 return 0; 239} 240 241#endif 242 243static struct drv_priv drvpriv = { 244 .r871xu_drv.name = "r8712u", 245 .r871xu_drv.id_table = rtl871x_usb_id_tbl, 246 .r871xu_drv.probe = r871xu_drv_init, 247 .r871xu_drv.disconnect = r871xu_dev_remove, 248#ifdef CONFIG_PM 249 .r871xu_drv.suspend = r871x_suspend, 250 .r871xu_drv.resume = r871x_resume, 251 .r871xu_drv.reset_resume = r871x_reset_resume, 252#endif 253}; 254 255static uint r8712_usb_dvobj_init(struct _adapter *padapter) 256{ 257 uint status = _SUCCESS; 258 struct usb_device_descriptor *pdev_desc; 259 struct usb_host_config *phost_conf; 260 struct usb_config_descriptor *pconf_desc; 261 struct usb_host_interface *phost_iface; 262 struct usb_interface_descriptor *piface_desc; 263 struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv; 264 struct usb_device *pusbd = pdvobjpriv->pusbdev; 265 266 pdvobjpriv->padapter = padapter; 267 padapter->EepromAddressSize = 6; 268 pdev_desc = &pusbd->descriptor; 269 phost_conf = pusbd->actconfig; 270 pconf_desc = &phost_conf->desc; 271 phost_iface = &pintf->altsetting[0]; 272 piface_desc = &phost_iface->desc; 273 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints; 274 if (pusbd->speed == USB_SPEED_HIGH) { 275 pdvobjpriv->ishighspeed = true; 276 dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n", 277 pdvobjpriv->nr_endpoint); 278 } else { 279 pdvobjpriv->ishighspeed = false; 280 dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n", 281 pdvobjpriv->nr_endpoint); 282 } 283 if ((r8712_alloc_io_queue(padapter)) == _FAIL) 284 status = _FAIL; 285 return status; 286} 287 288static void r8712_usb_dvobj_deinit(struct _adapter *padapter) 289{ 290} 291 292void rtl871x_intf_stop(struct _adapter *padapter) 293{ 294 /*disable_hw_interrupt*/ 295 if (padapter->bSurpriseRemoved == false) { 296 /*device still exists, so driver can do i/o operation 297 * TODO: */ 298 } 299 300 /* cancel in irp */ 301 if (padapter->dvobjpriv.inirp_deinit != NULL) 302 padapter->dvobjpriv.inirp_deinit(padapter); 303 /* cancel out irp */ 304 r8712_usb_write_port_cancel(padapter); 305 /* TODO:cancel other irps */ 306} 307 308void r871x_dev_unload(struct _adapter *padapter) 309{ 310 if (padapter->bup == true) { 311 /*s1.*/ 312 padapter->bDriverStopped = true; 313 314 /*s3.*/ 315 rtl871x_intf_stop(padapter); 316 317 /*s4.*/ 318 r8712_stop_drv_threads(padapter); 319 320 /*s5.*/ 321 if (padapter->bSurpriseRemoved == false) { 322 padapter->hw_init_completed = false; 323 rtl8712_hal_deinit(padapter); 324 } 325 326 /*s6.*/ 327 if (padapter->dvobj_deinit) 328 padapter->dvobj_deinit(padapter); 329 padapter->bup = false; 330 } 331} 332 333static void disable_ht_for_spec_devid(const struct usb_device_id *pdid, 334 struct _adapter *padapter) 335{ 336 u16 vid, pid; 337 u32 flags; 338 int i; 339 int num = sizeof(specific_device_id_tbl) / 340 sizeof(struct specific_device_id); 341 342 for (i = 0; i < num; i++) { 343 vid = specific_device_id_tbl[i].idVendor; 344 pid = specific_device_id_tbl[i].idProduct; 345 flags = specific_device_id_tbl[i].flags; 346 347 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) && 348 (flags&SPEC_DEV_ID_DISABLE_HT)) { 349 padapter->registrypriv.ht_enable = 0; 350 padapter->registrypriv.cbw40_enable = 0; 351 padapter->registrypriv.ampdu_enable = 0; 352 } 353 } 354} 355 356static const struct device_type wlan_type = { 357 .name = "wlan", 358}; 359 360/* 361 * drv_init() - a device potentially for us 362 * 363 * notes: drv_init() is called when the bus driver has located a card for us 364 * to support. We accept the new device by returning 0. 365*/ 366static int r871xu_drv_init(struct usb_interface *pusb_intf, 367 const struct usb_device_id *pdid) 368{ 369 uint status; 370 struct _adapter *padapter = NULL; 371 struct dvobj_priv *pdvobjpriv; 372 struct net_device *pnetdev; 373 struct usb_device *udev; 374 375 printk(KERN_INFO "r8712u: Staging version\n"); 376 /* In this probe function, O.S. will provide the usb interface pointer 377 * to driver. We have to increase the reference count of the usb device 378 * structure by using the usb_get_dev function. 379 */ 380 udev = interface_to_usbdev(pusb_intf); 381 usb_get_dev(udev); 382 pintf = pusb_intf; 383 /* step 1. */ 384 pnetdev = r8712_init_netdev(); 385 if (!pnetdev) 386 goto error; 387 padapter = netdev_priv(pnetdev); 388 disable_ht_for_spec_devid(pdid, padapter); 389 pdvobjpriv = &padapter->dvobjpriv; 390 pdvobjpriv->padapter = padapter; 391 padapter->dvobjpriv.pusbdev = udev; 392 padapter->pusb_intf = pusb_intf; 393 usb_set_intfdata(pusb_intf, pnetdev); 394 SET_NETDEV_DEV(pnetdev, &pusb_intf->dev); 395 pnetdev->dev.type = &wlan_type; 396 /* step 2. */ 397 padapter->dvobj_init = &r8712_usb_dvobj_init; 398 padapter->dvobj_deinit = &r8712_usb_dvobj_deinit; 399 padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init; 400 padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init; 401 padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit; 402 /* step 3. 403 * initialize the dvobj_priv 404 */ 405 if (padapter->dvobj_init == NULL) 406 goto error; 407 else { 408 status = padapter->dvobj_init(padapter); 409 if (status != _SUCCESS) 410 goto error; 411 } 412 /* step 4. */ 413 status = r8712_init_drv_sw(padapter); 414 if (status == _FAIL) 415 goto error; 416 /* step 5. read efuse/eeprom data and get mac_addr */ 417 { 418 int i, offset; 419 u8 mac[6]; 420 u8 tmpU1b, AutoloadFail, eeprom_CustomerID; 421 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data; 422 423 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/ 424 425 /* To check system boot selection.*/ 426 dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n", 427 (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE", 428 (tmpU1b & _EEPROM_EN) ? "OK" : "Failed"); 429 430 /* To check autoload success or not.*/ 431 if (tmpU1b & _EEPROM_EN) { 432 AutoloadFail = true; 433 /* The following operations prevent Efuse leakage by 434 * turning on 2.5V. 435 */ 436 tmpU1b = r8712_read8(padapter, EFUSE_TEST+3); 437 r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80); 438 msleep(20); 439 r8712_write8(padapter, EFUSE_TEST + 3, 440 (tmpU1b & (~BIT(7)))); 441 442 /* Retrieve Chip version. 443 * Recognize IC version by Reg0x4 BIT15. 444 */ 445 tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) & 446 0x1F); 447 if (tmpU1b == 0x3) 448 padapter->registrypriv.chip_version = 449 RTL8712_3rdCUT; 450 else 451 padapter->registrypriv.chip_version = 452 (tmpU1b >> 1) + 1; 453 switch (padapter->registrypriv.chip_version) { 454 case RTL8712_1stCUT: 455 case RTL8712_2ndCUT: 456 case RTL8712_3rdCUT: 457 break; 458 default: 459 padapter->registrypriv.chip_version = 460 RTL8712_2ndCUT; 461 break; 462 } 463 464 for (i = 0, offset = 0; i < 128; i += 8, offset++) 465 r8712_efuse_pg_packet_read(padapter, offset, 466 &pdata[i]); 467 468 if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) { 469 /* Use the mac address stored in the Efuse 470 * offset = 0x12 for usb in efuse 471 */ 472 memcpy(mac, &pdata[0x12], ETH_ALEN); 473 } 474 eeprom_CustomerID = pdata[0x52]; 475 switch (eeprom_CustomerID) { 476 case EEPROM_CID_ALPHA: 477 padapter->eeprompriv.CustomerID = 478 RT_CID_819x_ALPHA; 479 break; 480 case EEPROM_CID_CAMEO: 481 padapter->eeprompriv.CustomerID = 482 RT_CID_819x_CAMEO; 483 break; 484 case EEPROM_CID_SITECOM: 485 padapter->eeprompriv.CustomerID = 486 RT_CID_819x_Sitecom; 487 break; 488 case EEPROM_CID_COREGA: 489 padapter->eeprompriv.CustomerID = 490 RT_CID_COREGA; 491 break; 492 case EEPROM_CID_Senao: 493 padapter->eeprompriv.CustomerID = 494 RT_CID_819x_Senao; 495 break; 496 case EEPROM_CID_EDIMAX_BELKIN: 497 padapter->eeprompriv.CustomerID = 498 RT_CID_819x_Edimax_Belkin; 499 break; 500 case EEPROM_CID_SERCOMM_BELKIN: 501 padapter->eeprompriv.CustomerID = 502 RT_CID_819x_Sercomm_Belkin; 503 break; 504 case EEPROM_CID_WNC_COREGA: 505 padapter->eeprompriv.CustomerID = 506 RT_CID_819x_WNC_COREGA; 507 break; 508 case EEPROM_CID_WHQL: 509 break; 510 case EEPROM_CID_NetCore: 511 padapter->eeprompriv.CustomerID = 512 RT_CID_819x_Netcore; 513 break; 514 case EEPROM_CID_CAMEO1: 515 padapter->eeprompriv.CustomerID = 516 RT_CID_819x_CAMEO1; 517 break; 518 case EEPROM_CID_CLEVO: 519 padapter->eeprompriv.CustomerID = 520 RT_CID_819x_CLEVO; 521 break; 522 default: 523 padapter->eeprompriv.CustomerID = 524 RT_CID_DEFAULT; 525 break; 526 } 527 dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n", 528 padapter->eeprompriv.CustomerID); 529 /* Led mode */ 530 switch (padapter->eeprompriv.CustomerID) { 531 case RT_CID_DEFAULT: 532 case RT_CID_819x_ALPHA: 533 case RT_CID_819x_CAMEO: 534 padapter->ledpriv.LedStrategy = SW_LED_MODE1; 535 padapter->ledpriv.bRegUseLed = true; 536 break; 537 case RT_CID_819x_Sitecom: 538 padapter->ledpriv.LedStrategy = SW_LED_MODE2; 539 padapter->ledpriv.bRegUseLed = true; 540 break; 541 case RT_CID_COREGA: 542 case RT_CID_819x_Senao: 543 padapter->ledpriv.LedStrategy = SW_LED_MODE3; 544 padapter->ledpriv.bRegUseLed = true; 545 break; 546 case RT_CID_819x_Edimax_Belkin: 547 padapter->ledpriv.LedStrategy = SW_LED_MODE4; 548 padapter->ledpriv.bRegUseLed = true; 549 break; 550 case RT_CID_819x_Sercomm_Belkin: 551 padapter->ledpriv.LedStrategy = SW_LED_MODE5; 552 padapter->ledpriv.bRegUseLed = true; 553 break; 554 case RT_CID_819x_WNC_COREGA: 555 padapter->ledpriv.LedStrategy = SW_LED_MODE6; 556 padapter->ledpriv.bRegUseLed = true; 557 break; 558 default: 559 padapter->ledpriv.LedStrategy = SW_LED_MODE0; 560 padapter->ledpriv.bRegUseLed = false; 561 break; 562 } 563 } else 564 AutoloadFail = false; 565 if (((mac[0] == 0xff) && (mac[1] == 0xff) && 566 (mac[2] == 0xff) && (mac[3] == 0xff) && 567 (mac[4] == 0xff) && (mac[5] == 0xff)) || 568 ((mac[0] == 0x00) && (mac[1] == 0x00) && 569 (mac[2] == 0x00) && (mac[3] == 0x00) && 570 (mac[4] == 0x00) && (mac[5] == 0x00)) || 571 (AutoloadFail == false)) { 572 mac[0] = 0x00; 573 mac[1] = 0xe0; 574 mac[2] = 0x4c; 575 mac[3] = 0x87; 576 mac[4] = 0x00; 577 mac[5] = 0x00; 578 } 579 if (r8712_initmac) { 580 /* Make sure the user did not select a multicast 581 * address by setting bit 1 of first octet. 582 */ 583 mac[0] &= 0xFE; 584 dev_info(&udev->dev, 585 "r8712u: MAC Address from user = %pM\n", mac); 586 } else 587 dev_info(&udev->dev, 588 "r8712u: MAC Address from efuse = %pM\n", mac); 589 memcpy(pnetdev->dev_addr, mac, ETH_ALEN); 590 } 591 /* step 6. Load the firmware asynchronously */ 592 if (rtl871x_load_fw(padapter)) 593 goto error; 594 spin_lock_init(&padapter->lockRxFF0Filter); 595 mutex_init(&padapter->mutex_start); 596 return 0; 597error: 598 usb_put_dev(udev); 599 usb_set_intfdata(pusb_intf, NULL); 600 if (padapter && padapter->dvobj_deinit != NULL) 601 padapter->dvobj_deinit(padapter); 602 if (pnetdev) 603 free_netdev(pnetdev); 604 return -ENODEV; 605} 606 607/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() 608 * => how to recognize both */ 609static void r871xu_dev_remove(struct usb_interface *pusb_intf) 610{ 611 struct net_device *pnetdev = usb_get_intfdata(pusb_intf); 612 struct usb_device *udev = interface_to_usbdev(pusb_intf); 613 614 if (pnetdev) { 615 struct _adapter *padapter = netdev_priv(pnetdev); 616 617 usb_set_intfdata(pusb_intf, NULL); 618 release_firmware(padapter->fw); 619 /* never exit with a firmware callback pending */ 620 wait_for_completion(&padapter->rtl8712_fw_ready); 621 if (drvpriv.drv_registered == true) 622 padapter->bSurpriseRemoved = true; 623 unregister_netdev(pnetdev); /* will call netdev_close() */ 624 flush_scheduled_work(); 625 udelay(1); 626 /* Stop driver mlme relation timer */ 627 r8712_stop_drv_timers(padapter); 628 r871x_dev_unload(padapter); 629 r8712_free_drv_sw(padapter); 630 631 /* decrease the reference count of the usb device structure 632 * when disconnect */ 633 usb_put_dev(udev); 634 } 635 /* If we didn't unplug usb dongle and remove/insert module, driver 636 * fails on sitesurvey for the first time when device is up. 637 * Reset usb port for sitesurvey fail issue. */ 638 if (udev->state != USB_STATE_NOTATTACHED) 639 usb_reset_device(udev); 640} 641 642static int __init r8712u_drv_entry(void) 643{ 644 drvpriv.drv_registered = true; 645 return usb_register(&drvpriv.r871xu_drv); 646} 647 648static void __exit r8712u_drv_halt(void) 649{ 650 drvpriv.drv_registered = false; 651 usb_deregister(&drvpriv.r871xu_drv); 652} 653 654module_init(r8712u_drv_entry); 655module_exit(r8712u_drv_halt); 656