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
34 #include "osdep_service.h"
35 #include "drv_types.h"
36 #include "recv_osdep.h"
37 #include "xmit_osdep.h"
38 #include "rtl8712_efuse.h"
39 #include "usb_vendor_req.h"
40 #include "usb_ops.h"
41 #include "usb_osintf.h"
42
43 #define DRVER "v7_0.20100831"
44
45 static struct usb_interface *pintf;
46
47 static int r871xu_drv_init(struct usb_interface *pusb_intf,
48 const struct usb_device_id *pdid);
49
50 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
51
52 static struct usb_device_id rtl871x_usb_id_tbl[] = {
53
54 /* RTL8188SU */
55 /* Realtek */
56 {USB_DEVICE(0x0BDA, 0x8171)},
57 {USB_DEVICE(0x0bda, 0x8173)},
58 {USB_DEVICE(0x0bda, 0x8712)},
59 {USB_DEVICE(0x0bda, 0x8713)},
60 {USB_DEVICE(0x0bda, 0xC512)},
61 /* Abocom */
62 {USB_DEVICE(0x07B8, 0x8188)},
63 /* ASUS */
64 {USB_DEVICE(0x0B05, 0x1786)},
65 {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
66 /* Belkin */
67 {USB_DEVICE(0x050D, 0x945A)},
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
105 /* RTL8191SU */
106 /* Realtek */
107 {USB_DEVICE(0x0BDA, 0x8172)},
108 /* Amigo */
109 {USB_DEVICE(0x0EB0, 0x9061)},
110 /* ASUS/EKB */
111 {USB_DEVICE(0x0BDA, 0x8172)},
112 {USB_DEVICE(0x13D3, 0x3323)},
113 {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
114 {USB_DEVICE(0x13D3, 0x3342)},
115 /* ASUS/EKBLenovo */
116 {USB_DEVICE(0x13D3, 0x3333)},
117 {USB_DEVICE(0x13D3, 0x3334)},
118 {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
119 {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
120 /* ASUS/Media BOX */
121 {USB_DEVICE(0x13D3, 0x3309)},
122 /* Belkin */
123 {USB_DEVICE(0x050D, 0x815F)},
124 /* D-Link */
125 {USB_DEVICE(0x07D1, 0x3302)},
126 {USB_DEVICE(0x07D1, 0x3300)},
127 {USB_DEVICE(0x07D1, 0x3303)},
128 /* Edimax */
129 {USB_DEVICE(0x7392, 0x7612)},
130 /* EnGenius */
131 {USB_DEVICE(0x1740, 0x9605)},
132 /* Guillemot */
133 {USB_DEVICE(0x06F8, 0xE031)},
134 /* Hawking */
135 {USB_DEVICE(0x0E66, 0x0015)},
136 /* Mediao */
137 {USB_DEVICE(0x13D3, 0x3306)},
138 /* PCI */
139 {USB_DEVICE(0x2019, 0xED18)},
140 {USB_DEVICE(0x2019, 0x4901)},
141 /* Sitecom */
142 {USB_DEVICE(0x0DF6, 0x0058)},
143 {USB_DEVICE(0x0DF6, 0x0049)},
144 {USB_DEVICE(0x0DF6, 0x004C)},
145 {USB_DEVICE(0x0DF6, 0x0064)},
146 /* Skyworth */
147 {USB_DEVICE(0x14b2, 0x3300)},
148 {USB_DEVICE(0x14b2, 0x3301)},
149 {USB_DEVICE(0x14B2, 0x3302)},
150 /* - */
151 {USB_DEVICE(0x04F2, 0xAFF2)},
152 {USB_DEVICE(0x04F2, 0xAFF5)},
153 {USB_DEVICE(0x04F2, 0xAFF6)},
154 {USB_DEVICE(0x13D3, 0x3339)},
155 {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
156 {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
157 {USB_DEVICE(0x13D3, 0x3310)},
158 {USB_DEVICE(0x13D3, 0x3325)},
159
160 /* RTL8192SU */
161 /* Realtek */
162 {USB_DEVICE(0x0BDA, 0x8174)},
163 {USB_DEVICE(0x0BDA, 0x8174)},
164 /* Belkin */
165 {USB_DEVICE(0x050D, 0x845A)},
166 /* Corega */
167 {USB_DEVICE(0x07AA, 0x0051)},
168 /* Edimax */
169 {USB_DEVICE(0x7392, 0x7622)},
170 /* NEC */
171 {USB_DEVICE(0x0409, 0x02B6)},
172 {}
173 };
174
175 MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
176
177 static struct specific_device_id specific_device_id_tbl[] = {
178 {.idVendor = 0x0b05, .idProduct = 0x1791,
179 .flags = SPEC_DEV_ID_DISABLE_HT},
180 {.idVendor = 0x0df6, .idProduct = 0x0059,
181 .flags = SPEC_DEV_ID_DISABLE_HT},
182 {.idVendor = 0x13d3, .idProduct = 0x3306,
183 .flags = SPEC_DEV_ID_DISABLE_HT},
184 {.idVendor = 0x13D3, .idProduct = 0x3311,
185 .flags = SPEC_DEV_ID_DISABLE_HT},
186 {.idVendor = 0x13d3, .idProduct = 0x3335,
187 .flags = SPEC_DEV_ID_DISABLE_HT},
188 {.idVendor = 0x13d3, .idProduct = 0x3336,
189 .flags = SPEC_DEV_ID_DISABLE_HT},
190 {.idVendor = 0x13d3, .idProduct = 0x3340,
191 .flags = SPEC_DEV_ID_DISABLE_HT},
192 {.idVendor = 0x13d3, .idProduct = 0x3341,
193 .flags = SPEC_DEV_ID_DISABLE_HT},
194 {}
195 };
196
197 struct drv_priv {
198 struct usb_driver r871xu_drv;
199 int drv_registered;
200 };
201
202 #ifdef CONFIG_PM
r871x_suspend(struct usb_interface * pusb_intf,pm_message_t state)203 static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
204 {
205 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
206
207 printk(KERN_INFO "r8712: suspending...\n");
208 if (!pnetdev || !netif_running(pnetdev)) {
209 printk(KERN_INFO "r8712: unable to suspend\n");
210 return 0;
211 }
212 if (pnetdev->netdev_ops->ndo_stop)
213 pnetdev->netdev_ops->ndo_stop(pnetdev);
214 mdelay(10);
215 netif_device_detach(pnetdev);
216 return 0;
217 }
218
r871x_resume(struct usb_interface * pusb_intf)219 static int r871x_resume(struct usb_interface *pusb_intf)
220 {
221 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
222
223 printk(KERN_INFO "r8712: resuming...\n");
224 if (!pnetdev || !netif_running(pnetdev)) {
225 printk(KERN_INFO "r8712: unable to resume\n");
226 return 0;
227 }
228 netif_device_attach(pnetdev);
229 if (pnetdev->netdev_ops->ndo_open)
230 pnetdev->netdev_ops->ndo_open(pnetdev);
231 return 0;
232 }
233
r871x_reset_resume(struct usb_interface * pusb_intf)234 static int r871x_reset_resume(struct usb_interface *pusb_intf)
235 {
236 /* dummy routine */
237 return 0;
238 }
239
240 #endif
241
242 static struct drv_priv drvpriv = {
243 .r871xu_drv.name = "r8712u",
244 .r871xu_drv.id_table = rtl871x_usb_id_tbl,
245 .r871xu_drv.probe = r871xu_drv_init,
246 .r871xu_drv.disconnect = r871xu_dev_remove,
247 #ifdef CONFIG_PM
248 .r871xu_drv.suspend = r871x_suspend,
249 .r871xu_drv.resume = r871x_resume,
250 .r871xu_drv.reset_resume = r871x_reset_resume,
251 #endif
252 };
253
r8712_usb_dvobj_init(struct _adapter * padapter)254 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
255 {
256 uint status = _SUCCESS;
257 struct usb_device_descriptor *pdev_desc;
258 struct usb_host_config *phost_conf;
259 struct usb_config_descriptor *pconf_desc;
260 struct usb_host_interface *phost_iface;
261 struct usb_interface_descriptor *piface_desc;
262 struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
263 struct usb_device *pusbd = pdvobjpriv->pusbdev;
264
265 pdvobjpriv->padapter = padapter;
266 padapter->EepromAddressSize = 6;
267 pdev_desc = &pusbd->descriptor;
268 phost_conf = pusbd->actconfig;
269 pconf_desc = &phost_conf->desc;
270 phost_iface = &pintf->altsetting[0];
271 piface_desc = &phost_iface->desc;
272 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
273 if (pusbd->speed == USB_SPEED_HIGH) {
274 pdvobjpriv->ishighspeed = true;
275 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
276 pdvobjpriv->nr_endpoint);
277 } else {
278 pdvobjpriv->ishighspeed = false;
279 printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
280 pdvobjpriv->nr_endpoint);
281 }
282 if ((r8712_alloc_io_queue(padapter)) == _FAIL)
283 status = _FAIL;
284 sema_init(&(padapter->dvobjpriv.usb_suspend_sema), 0);
285 return status;
286 }
287
r8712_usb_dvobj_deinit(struct _adapter * padapter)288 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
289 {
290 }
291
rtl871x_intf_stop(struct _adapter * padapter)292 void 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
r871x_dev_unload(struct _adapter * padapter)308 void 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
disable_ht_for_spec_devid(const struct usb_device_id * pdid,struct _adapter * padapter)333 static 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
key_2char2num(u8 hch,u8 lch)356 static u8 key_2char2num(u8 hch, u8 lch)
357 {
358 return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
359 }
360
361 /*
362 * drv_init() - a device potentially for us
363 *
364 * notes: drv_init() is called when the bus driver has located a card for us
365 * to support. We accept the new device by returning 0.
366 */
r871xu_drv_init(struct usb_interface * pusb_intf,const struct usb_device_id * pdid)367 static int r871xu_drv_init(struct usb_interface *pusb_intf,
368 const struct usb_device_id *pdid)
369 {
370 uint status;
371 struct _adapter *padapter = NULL;
372 struct dvobj_priv *pdvobjpriv;
373 struct net_device *pnetdev;
374 struct usb_device *udev;
375
376 printk(KERN_INFO "r8712u: DriverVersion: %s\n", DRVER);
377 /* In this probe function, O.S. will provide the usb interface pointer
378 * to driver. We have to increase the reference count of the usb device
379 * structure by using the usb_get_dev function.
380 */
381 udev = interface_to_usbdev(pusb_intf);
382 usb_get_dev(udev);
383 pintf = pusb_intf;
384 /* step 1. */
385 pnetdev = r8712_init_netdev();
386 if (!pnetdev)
387 goto error;
388 padapter = netdev_priv(pnetdev);
389 disable_ht_for_spec_devid(pdid, padapter);
390 pdvobjpriv = &padapter->dvobjpriv;
391 pdvobjpriv->padapter = padapter;
392 padapter->dvobjpriv.pusbdev = udev;
393 padapter->pusb_intf = pusb_intf;
394 usb_set_intfdata(pusb_intf, pnetdev);
395 SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
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 printk(KERN_INFO "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) {
469 /* Users specify the mac address */
470 int jj, kk;
471
472 for (jj = 0, kk = 0; jj < ETH_ALEN;
473 jj++, kk += 3)
474 mac[jj] =
475 key_2char2num(r8712_initmac[kk],
476 r8712_initmac[kk + 1]);
477 } else {
478 /* Use the mac address stored in the Efuse
479 * offset = 0x12 for usb in efuse
480 */
481 memcpy(mac, &pdata[0x12], ETH_ALEN);
482 }
483 eeprom_CustomerID = pdata[0x52];
484 switch (eeprom_CustomerID) {
485 case EEPROM_CID_ALPHA:
486 padapter->eeprompriv.CustomerID =
487 RT_CID_819x_ALPHA;
488 break;
489 case EEPROM_CID_CAMEO:
490 padapter->eeprompriv.CustomerID =
491 RT_CID_819x_CAMEO;
492 break;
493 case EEPROM_CID_SITECOM:
494 padapter->eeprompriv.CustomerID =
495 RT_CID_819x_Sitecom;
496 break;
497 case EEPROM_CID_COREGA:
498 padapter->eeprompriv.CustomerID =
499 RT_CID_COREGA;
500 break;
501 case EEPROM_CID_Senao:
502 padapter->eeprompriv.CustomerID =
503 RT_CID_819x_Senao;
504 break;
505 case EEPROM_CID_EDIMAX_BELKIN:
506 padapter->eeprompriv.CustomerID =
507 RT_CID_819x_Edimax_Belkin;
508 break;
509 case EEPROM_CID_SERCOMM_BELKIN:
510 padapter->eeprompriv.CustomerID =
511 RT_CID_819x_Sercomm_Belkin;
512 break;
513 case EEPROM_CID_WNC_COREGA:
514 padapter->eeprompriv.CustomerID =
515 RT_CID_819x_WNC_COREGA;
516 break;
517 case EEPROM_CID_WHQL:
518 break;
519 case EEPROM_CID_NetCore:
520 padapter->eeprompriv.CustomerID =
521 RT_CID_819x_Netcore;
522 break;
523 case EEPROM_CID_CAMEO1:
524 padapter->eeprompriv.CustomerID =
525 RT_CID_819x_CAMEO1;
526 break;
527 case EEPROM_CID_CLEVO:
528 padapter->eeprompriv.CustomerID =
529 RT_CID_819x_CLEVO;
530 break;
531 default:
532 padapter->eeprompriv.CustomerID =
533 RT_CID_DEFAULT;
534 break;
535 }
536 printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
537 padapter->eeprompriv.CustomerID);
538 /* Led mode */
539 switch (padapter->eeprompriv.CustomerID) {
540 case RT_CID_DEFAULT:
541 case RT_CID_819x_ALPHA:
542 case RT_CID_819x_CAMEO:
543 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
544 padapter->ledpriv.bRegUseLed = true;
545 break;
546 case RT_CID_819x_Sitecom:
547 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
548 padapter->ledpriv.bRegUseLed = true;
549 break;
550 case RT_CID_COREGA:
551 case RT_CID_819x_Senao:
552 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
553 padapter->ledpriv.bRegUseLed = true;
554 break;
555 case RT_CID_819x_Edimax_Belkin:
556 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
557 padapter->ledpriv.bRegUseLed = true;
558 break;
559 case RT_CID_819x_Sercomm_Belkin:
560 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
561 padapter->ledpriv.bRegUseLed = true;
562 break;
563 case RT_CID_819x_WNC_COREGA:
564 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
565 padapter->ledpriv.bRegUseLed = true;
566 break;
567 default:
568 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
569 padapter->ledpriv.bRegUseLed = false;
570 break;
571 }
572 } else
573 AutoloadFail = false;
574 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
575 (mac[2] == 0xff) && (mac[3] == 0xff) &&
576 (mac[4] == 0xff) && (mac[5] == 0xff)) ||
577 ((mac[0] == 0x00) && (mac[1] == 0x00) &&
578 (mac[2] == 0x00) && (mac[3] == 0x00) &&
579 (mac[4] == 0x00) && (mac[5] == 0x00)) ||
580 (AutoloadFail == false)) {
581 mac[0] = 0x00;
582 mac[1] = 0xe0;
583 mac[2] = 0x4c;
584 mac[3] = 0x87;
585 mac[4] = 0x00;
586 mac[5] = 0x00;
587 }
588 if (r8712_initmac) {
589 /* Make sure the user did not select a multicast
590 * address by setting bit 1 of first octet.
591 */
592 mac[0] &= 0xFE;
593 printk(KERN_INFO "r8712u: MAC Address from user = "
594 "%pM\n", mac);
595 } else
596 printk(KERN_INFO "r8712u: MAC Address from efuse = "
597 "%pM\n", mac);
598 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
599 }
600 /* step 6. Load the firmware asynchronously */
601 if (rtl871x_load_fw(padapter))
602 goto error;
603 spin_lock_init(&padapter->lockRxFF0Filter);
604 mutex_init(&padapter->mutex_start);
605 return 0;
606 error:
607 usb_put_dev(udev);
608 usb_set_intfdata(pusb_intf, NULL);
609 if (padapter->dvobj_deinit != NULL)
610 padapter->dvobj_deinit(padapter);
611 if (pnetdev)
612 free_netdev(pnetdev);
613 return -ENODEV;
614 }
615
616 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
617 * => how to recognize both */
r871xu_dev_remove(struct usb_interface * pusb_intf)618 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
619 {
620 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
621 struct _adapter *padapter = netdev_priv(pnetdev);
622 struct usb_device *udev = interface_to_usbdev(pusb_intf);
623
624 usb_set_intfdata(pusb_intf, NULL);
625 if (padapter) {
626 if (drvpriv.drv_registered == true)
627 padapter->bSurpriseRemoved = true;
628 if (pnetdev != NULL) {
629 /* will call netdev_close() */
630 unregister_netdev(pnetdev);
631 }
632 flush_scheduled_work();
633 udelay(1);
634 /*Stop driver mlme relation timer */
635 if (padapter->fw_found)
636 r8712_stop_drv_timers(padapter);
637 r871x_dev_unload(padapter);
638 r8712_free_drv_sw(padapter);
639 }
640 usb_set_intfdata(pusb_intf, NULL);
641 /* decrease the reference count of the usb device structure
642 * when disconnect */
643 usb_put_dev(udev);
644 /* If we didn't unplug usb dongle and remove/insert modlue, driver
645 * fails on sitesurvey for the first time when device is up.
646 * Reset usb port for sitesurvey fail issue. */
647 if (udev->state != USB_STATE_NOTATTACHED)
648 usb_reset_device(udev);
649 return;
650 }
651
r8712u_drv_entry(void)652 static int __init r8712u_drv_entry(void)
653 {
654 drvpriv.drv_registered = true;
655 return usb_register(&drvpriv.r871xu_drv);
656 }
657
r8712u_drv_halt(void)658 static void __exit r8712u_drv_halt(void)
659 {
660 drvpriv.drv_registered = false;
661 usb_deregister(&drvpriv.r871xu_drv);
662 printk(KERN_INFO "r8712u: Driver unloaded\n");
663 }
664
665 module_init(r8712u_drv_entry);
666 module_exit(r8712u_drv_halt);
667