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Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / staging / rtl8712 / usb_intf.c
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_vendor_req.h"
41 #include "usb_ops.h"
42 #include "usb_osintf.h"
43
44 #define DRVER "v7_0.20100831"
45
46 static struct usb_interface *pintf;
47
48 static int r871xu_drv_init(struct usb_interface *pusb_intf,
49 const struct usb_device_id *pdid);
50
51 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
52
53 static struct usb_device_id rtl871x_usb_id_tbl[] = {
54
55 /* RTL8188SU */
56 /* Realtek */
57 {USB_DEVICE(0x0BDA, 0x8171)},
58 {USB_DEVICE(0x0bda, 0x8173)},
59 {USB_DEVICE(0x0bda, 0x8712)},
60 {USB_DEVICE(0x0bda, 0x8713)},
61 {USB_DEVICE(0x0bda, 0xC512)},
62 /* Abocom */
63 {USB_DEVICE(0x07B8, 0x8188)},
64 /* ASUS */
65 {USB_DEVICE(0x0B05, 0x1786)},
66 {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
67 /* Belkin */
68 {USB_DEVICE(0x050D, 0x945A)},
69 /* Corega */
70 {USB_DEVICE(0x07AA, 0x0047)},
71 /* D-Link */
72 {USB_DEVICE(0x2001, 0x3306)},
73 {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
74 /* Edimax */
75 {USB_DEVICE(0x7392, 0x7611)},
76 /* EnGenius */
77 {USB_DEVICE(0x1740, 0x9603)},
78 /* Hawking */
79 {USB_DEVICE(0x0E66, 0x0016)},
80 /* Hercules */
81 {USB_DEVICE(0x06F8, 0xE034)},
82 {USB_DEVICE(0x06F8, 0xE032)},
83 /* Logitec */
84 {USB_DEVICE(0x0789, 0x0167)},
85 /* PCI */
86 {USB_DEVICE(0x2019, 0xAB28)},
87 {USB_DEVICE(0x2019, 0xED16)},
88 /* Sitecom */
89 {USB_DEVICE(0x0DF6, 0x0057)},
90 {USB_DEVICE(0x0DF6, 0x0045)},
91 {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
92 {USB_DEVICE(0x0DF6, 0x004B)},
93 {USB_DEVICE(0x0DF6, 0x005B)},
94 {USB_DEVICE(0x0DF6, 0x005D)},
95 {USB_DEVICE(0x0DF6, 0x0063)},
96 /* Sweex */
97 {USB_DEVICE(0x177F, 0x0154)},
98 /* Thinkware */
99 {USB_DEVICE(0x0BDA, 0x5077)},
100 /* Toshiba */
101 {USB_DEVICE(0x1690, 0x0752)},
102 /* - */
103 {USB_DEVICE(0x20F4, 0x646B)},
104 {USB_DEVICE(0x083A, 0xC512)},
105 {USB_DEVICE(0x25D4, 0x4CA1)},
106 {USB_DEVICE(0x25D4, 0x4CAB)},
107
108 /* RTL8191SU */
109 /* Realtek */
110 {USB_DEVICE(0x0BDA, 0x8172)},
111 {USB_DEVICE(0x0BDA, 0x8192)},
112 /* Amigo */
113 {USB_DEVICE(0x0EB0, 0x9061)},
114 /* ASUS/EKB */
115 {USB_DEVICE(0x13D3, 0x3323)},
116 {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
117 {USB_DEVICE(0x13D3, 0x3342)},
118 /* ASUS/EKBLenovo */
119 {USB_DEVICE(0x13D3, 0x3333)},
120 {USB_DEVICE(0x13D3, 0x3334)},
121 {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
122 {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
123 /* ASUS/Media BOX */
124 {USB_DEVICE(0x13D3, 0x3309)},
125 /* Belkin */
126 {USB_DEVICE(0x050D, 0x815F)},
127 /* D-Link */
128 {USB_DEVICE(0x07D1, 0x3302)},
129 {USB_DEVICE(0x07D1, 0x3300)},
130 {USB_DEVICE(0x07D1, 0x3303)},
131 /* Edimax */
132 {USB_DEVICE(0x7392, 0x7612)},
133 /* EnGenius */
134 {USB_DEVICE(0x1740, 0x9605)},
135 /* Guillemot */
136 {USB_DEVICE(0x06F8, 0xE031)},
137 /* Hawking */
138 {USB_DEVICE(0x0E66, 0x0015)},
139 /* Mediao */
140 {USB_DEVICE(0x13D3, 0x3306)},
141 /* PCI */
142 {USB_DEVICE(0x2019, 0xED18)},
143 {USB_DEVICE(0x2019, 0x4901)},
144 /* Sitecom */
145 {USB_DEVICE(0x0DF6, 0x0058)},
146 {USB_DEVICE(0x0DF6, 0x0049)},
147 {USB_DEVICE(0x0DF6, 0x004C)},
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
209 printk(KERN_INFO "r8712: suspending...\n");
210 if (!pnetdev || !netif_running(pnetdev)) {
211 printk(KERN_INFO "r8712: unable to suspend\n");
212 return 0;
213 }
214 if (pnetdev->netdev_ops->ndo_stop)
215 pnetdev->netdev_ops->ndo_stop(pnetdev);
216 mdelay(10);
217 netif_device_detach(pnetdev);
218 return 0;
219 }
220
221 static int r871x_resume(struct usb_interface *pusb_intf)
222 {
223 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
224
225 printk(KERN_INFO "r8712: resuming...\n");
226 if (!pnetdev || !netif_running(pnetdev)) {
227 printk(KERN_INFO "r8712: unable to resume\n");
228 return 0;
229 }
230 netif_device_attach(pnetdev);
231 if (pnetdev->netdev_ops->ndo_open)
232 pnetdev->netdev_ops->ndo_open(pnetdev);
233 return 0;
234 }
235
236 static int r871x_reset_resume(struct usb_interface *pusb_intf)
237 {
238 /* dummy routine */
239 return 0;
240 }
241
242 #endif
243
244 static struct drv_priv drvpriv = {
245 .r871xu_drv.name = "r8712u",
246 .r871xu_drv.id_table = rtl871x_usb_id_tbl,
247 .r871xu_drv.probe = r871xu_drv_init,
248 .r871xu_drv.disconnect = r871xu_dev_remove,
249 #ifdef CONFIG_PM
250 .r871xu_drv.suspend = r871x_suspend,
251 .r871xu_drv.resume = r871x_resume,
252 .r871xu_drv.reset_resume = r871x_reset_resume,
253 #endif
254 };
255
256 static uint r8712_usb_dvobj_init(struct _adapter *padapter)
257 {
258 uint status = _SUCCESS;
259 struct usb_device_descriptor *pdev_desc;
260 struct usb_host_config *phost_conf;
261 struct usb_config_descriptor *pconf_desc;
262 struct usb_host_interface *phost_iface;
263 struct usb_interface_descriptor *piface_desc;
264 struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
265 struct usb_device *pusbd = pdvobjpriv->pusbdev;
266
267 pdvobjpriv->padapter = padapter;
268 padapter->EepromAddressSize = 6;
269 pdev_desc = &pusbd->descriptor;
270 phost_conf = pusbd->actconfig;
271 pconf_desc = &phost_conf->desc;
272 phost_iface = &pintf->altsetting[0];
273 piface_desc = &phost_iface->desc;
274 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
275 if (pusbd->speed == USB_SPEED_HIGH) {
276 pdvobjpriv->ishighspeed = true;
277 printk(KERN_INFO "r8712u: USB_SPEED_HIGH with %d endpoints\n",
278 pdvobjpriv->nr_endpoint);
279 } else {
280 pdvobjpriv->ishighspeed = false;
281 printk(KERN_INFO "r8712u: USB_SPEED_LOW with %d endpoints\n",
282 pdvobjpriv->nr_endpoint);
283 }
284 if ((r8712_alloc_io_queue(padapter)) == _FAIL)
285 status = _FAIL;
286 return status;
287 }
288
289 static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
290 {
291 }
292
293 void rtl871x_intf_stop(struct _adapter *padapter)
294 {
295 /*disable_hw_interrupt*/
296 if (padapter->bSurpriseRemoved == false) {
297 /*device still exists, so driver can do i/o operation
298 * TODO: */
299 }
300
301 /* cancel in irp */
302 if (padapter->dvobjpriv.inirp_deinit != NULL)
303 padapter->dvobjpriv.inirp_deinit(padapter);
304 /* cancel out irp */
305 r8712_usb_write_port_cancel(padapter);
306 /* TODO:cancel other irps */
307 }
308
309 void r871x_dev_unload(struct _adapter *padapter)
310 {
311 if (padapter->bup == true) {
312 /*s1.*/
313 padapter->bDriverStopped = true;
314
315 /*s3.*/
316 rtl871x_intf_stop(padapter);
317
318 /*s4.*/
319 r8712_stop_drv_threads(padapter);
320
321 /*s5.*/
322 if (padapter->bSurpriseRemoved == false) {
323 padapter->hw_init_completed = false;
324 rtl8712_hal_deinit(padapter);
325 }
326
327 /*s6.*/
328 if (padapter->dvobj_deinit)
329 padapter->dvobj_deinit(padapter);
330 padapter->bup = false;
331 }
332 }
333
334 static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
335 struct _adapter *padapter)
336 {
337 u16 vid, pid;
338 u32 flags;
339 int i;
340 int num = sizeof(specific_device_id_tbl) /
341 sizeof(struct specific_device_id);
342
343 for (i = 0; i < num; i++) {
344 vid = specific_device_id_tbl[i].idVendor;
345 pid = specific_device_id_tbl[i].idProduct;
346 flags = specific_device_id_tbl[i].flags;
347
348 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
349 (flags&SPEC_DEV_ID_DISABLE_HT)) {
350 padapter->registrypriv.ht_enable = 0;
351 padapter->registrypriv.cbw40_enable = 0;
352 padapter->registrypriv.ampdu_enable = 0;
353 }
354 }
355 }
356
357 static u8 key_2char2num(u8 hch, u8 lch)
358 {
359 return (hex_to_bin(hch) << 4) | hex_to_bin(lch);
360 }
361
362 /*
363 * drv_init() - a device potentially for us
364 *
365 * notes: drv_init() is called when the bus driver has located a card for us
366 * to support. We accept the new device by returning 0.
367 */
368 static int r871xu_drv_init(struct usb_interface *pusb_intf,
369 const struct usb_device_id *pdid)
370 {
371 uint status;
372 struct _adapter *padapter = NULL;
373 struct dvobj_priv *pdvobjpriv;
374 struct net_device *pnetdev;
375 struct usb_device *udev;
376
377 printk(KERN_INFO "r8712u: DriverVersion: %s\n", DRVER);
378 /* In this probe function, O.S. will provide the usb interface pointer
379 * to driver. We have to increase the reference count of the usb device
380 * structure by using the usb_get_dev function.
381 */
382 udev = interface_to_usbdev(pusb_intf);
383 usb_get_dev(udev);
384 pintf = pusb_intf;
385 /* step 1. */
386 pnetdev = r8712_init_netdev();
387 if (!pnetdev)
388 goto error;
389 padapter = netdev_priv(pnetdev);
390 disable_ht_for_spec_devid(pdid, padapter);
391 pdvobjpriv = &padapter->dvobjpriv;
392 pdvobjpriv->padapter = padapter;
393 padapter->dvobjpriv.pusbdev = udev;
394 padapter->pusb_intf = pusb_intf;
395 usb_set_intfdata(pusb_intf, pnetdev);
396 SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
397 /* step 2. */
398 padapter->dvobj_init = &r8712_usb_dvobj_init;
399 padapter->dvobj_deinit = &r8712_usb_dvobj_deinit;
400 padapter->halpriv.hal_bus_init = &r8712_usb_hal_bus_init;
401 padapter->dvobjpriv.inirp_init = &r8712_usb_inirp_init;
402 padapter->dvobjpriv.inirp_deinit = &r8712_usb_inirp_deinit;
403 /* step 3.
404 * initialize the dvobj_priv
405 */
406 if (padapter->dvobj_init == NULL)
407 goto error;
408 else {
409 status = padapter->dvobj_init(padapter);
410 if (status != _SUCCESS)
411 goto error;
412 }
413 /* step 4. */
414 status = r8712_init_drv_sw(padapter);
415 if (status == _FAIL)
416 goto error;
417 /* step 5. read efuse/eeprom data and get mac_addr */
418 {
419 int i, offset;
420 u8 mac[6];
421 u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
422 u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
423
424 tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
425
426 /* To check system boot selection.*/
427 printk(KERN_INFO "r8712u: Boot from %s: Autoload %s\n",
428 (tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
429 (tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
430
431 /* To check autoload success or not.*/
432 if (tmpU1b & _EEPROM_EN) {
433 AutoloadFail = true;
434 /* The following operations prevent Efuse leakage by
435 * turning on 2.5V.
436 */
437 tmpU1b = r8712_read8(padapter, EFUSE_TEST+3);
438 r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
439 msleep(20);
440 r8712_write8(padapter, EFUSE_TEST + 3,
441 (tmpU1b & (~BIT(7))));
442
443 /* Retrieve Chip version.
444 * Recognize IC version by Reg0x4 BIT15.
445 */
446 tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
447 0x1F);
448 if (tmpU1b == 0x3)
449 padapter->registrypriv.chip_version =
450 RTL8712_3rdCUT;
451 else
452 padapter->registrypriv.chip_version =
453 (tmpU1b >> 1) + 1;
454 switch (padapter->registrypriv.chip_version) {
455 case RTL8712_1stCUT:
456 case RTL8712_2ndCUT:
457 case RTL8712_3rdCUT:
458 break;
459 default:
460 padapter->registrypriv.chip_version =
461 RTL8712_2ndCUT;
462 break;
463 }
464
465 for (i = 0, offset = 0; i < 128; i += 8, offset++)
466 r8712_efuse_pg_packet_read(padapter, offset,
467 &pdata[i]);
468
469 if (r8712_initmac) {
470 /* Users specify the mac address */
471 int jj, kk;
472
473 for (jj = 0, kk = 0; jj < ETH_ALEN;
474 jj++, kk += 3)
475 mac[jj] =
476 key_2char2num(r8712_initmac[kk],
477 r8712_initmac[kk + 1]);
478 } else {
479 /* Use the mac address stored in the Efuse
480 * offset = 0x12 for usb in efuse
481 */
482 memcpy(mac, &pdata[0x12], ETH_ALEN);
483 }
484 eeprom_CustomerID = pdata[0x52];
485 switch (eeprom_CustomerID) {
486 case EEPROM_CID_ALPHA:
487 padapter->eeprompriv.CustomerID =
488 RT_CID_819x_ALPHA;
489 break;
490 case EEPROM_CID_CAMEO:
491 padapter->eeprompriv.CustomerID =
492 RT_CID_819x_CAMEO;
493 break;
494 case EEPROM_CID_SITECOM:
495 padapter->eeprompriv.CustomerID =
496 RT_CID_819x_Sitecom;
497 break;
498 case EEPROM_CID_COREGA:
499 padapter->eeprompriv.CustomerID =
500 RT_CID_COREGA;
501 break;
502 case EEPROM_CID_Senao:
503 padapter->eeprompriv.CustomerID =
504 RT_CID_819x_Senao;
505 break;
506 case EEPROM_CID_EDIMAX_BELKIN:
507 padapter->eeprompriv.CustomerID =
508 RT_CID_819x_Edimax_Belkin;
509 break;
510 case EEPROM_CID_SERCOMM_BELKIN:
511 padapter->eeprompriv.CustomerID =
512 RT_CID_819x_Sercomm_Belkin;
513 break;
514 case EEPROM_CID_WNC_COREGA:
515 padapter->eeprompriv.CustomerID =
516 RT_CID_819x_WNC_COREGA;
517 break;
518 case EEPROM_CID_WHQL:
519 break;
520 case EEPROM_CID_NetCore:
521 padapter->eeprompriv.CustomerID =
522 RT_CID_819x_Netcore;
523 break;
524 case EEPROM_CID_CAMEO1:
525 padapter->eeprompriv.CustomerID =
526 RT_CID_819x_CAMEO1;
527 break;
528 case EEPROM_CID_CLEVO:
529 padapter->eeprompriv.CustomerID =
530 RT_CID_819x_CLEVO;
531 break;
532 default:
533 padapter->eeprompriv.CustomerID =
534 RT_CID_DEFAULT;
535 break;
536 }
537 printk(KERN_INFO "r8712u: CustomerID = 0x%.4x\n",
538 padapter->eeprompriv.CustomerID);
539 /* Led mode */
540 switch (padapter->eeprompriv.CustomerID) {
541 case RT_CID_DEFAULT:
542 case RT_CID_819x_ALPHA:
543 case RT_CID_819x_CAMEO:
544 padapter->ledpriv.LedStrategy = SW_LED_MODE1;
545 padapter->ledpriv.bRegUseLed = true;
546 break;
547 case RT_CID_819x_Sitecom:
548 padapter->ledpriv.LedStrategy = SW_LED_MODE2;
549 padapter->ledpriv.bRegUseLed = true;
550 break;
551 case RT_CID_COREGA:
552 case RT_CID_819x_Senao:
553 padapter->ledpriv.LedStrategy = SW_LED_MODE3;
554 padapter->ledpriv.bRegUseLed = true;
555 break;
556 case RT_CID_819x_Edimax_Belkin:
557 padapter->ledpriv.LedStrategy = SW_LED_MODE4;
558 padapter->ledpriv.bRegUseLed = true;
559 break;
560 case RT_CID_819x_Sercomm_Belkin:
561 padapter->ledpriv.LedStrategy = SW_LED_MODE5;
562 padapter->ledpriv.bRegUseLed = true;
563 break;
564 case RT_CID_819x_WNC_COREGA:
565 padapter->ledpriv.LedStrategy = SW_LED_MODE6;
566 padapter->ledpriv.bRegUseLed = true;
567 break;
568 default:
569 padapter->ledpriv.LedStrategy = SW_LED_MODE0;
570 padapter->ledpriv.bRegUseLed = false;
571 break;
572 }
573 } else
574 AutoloadFail = false;
575 if (((mac[0] == 0xff) && (mac[1] == 0xff) &&
576 (mac[2] == 0xff) && (mac[3] == 0xff) &&
577 (mac[4] == 0xff) && (mac[5] == 0xff)) ||
578 ((mac[0] == 0x00) && (mac[1] == 0x00) &&
579 (mac[2] == 0x00) && (mac[3] == 0x00) &&
580 (mac[4] == 0x00) && (mac[5] == 0x00)) ||
581 (AutoloadFail == false)) {
582 mac[0] = 0x00;
583 mac[1] = 0xe0;
584 mac[2] = 0x4c;
585 mac[3] = 0x87;
586 mac[4] = 0x00;
587 mac[5] = 0x00;
588 }
589 if (r8712_initmac) {
590 /* Make sure the user did not select a multicast
591 * address by setting bit 1 of first octet.
592 */
593 mac[0] &= 0xFE;
594 printk(KERN_INFO "r8712u: MAC Address from user = "
595 "%pM\n", mac);
596 } else
597 printk(KERN_INFO "r8712u: MAC Address from efuse = "
598 "%pM\n", mac);
599 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
600 }
601 /* step 6. Load the firmware asynchronously */
602 if (rtl871x_load_fw(padapter))
603 goto error;
604 spin_lock_init(&padapter->lockRxFF0Filter);
605 mutex_init(&padapter->mutex_start);
606 return 0;
607 error:
608 usb_put_dev(udev);
609 usb_set_intfdata(pusb_intf, NULL);
610 if (padapter->dvobj_deinit != NULL)
611 padapter->dvobj_deinit(padapter);
612 if (pnetdev)
613 free_netdev(pnetdev);
614 return -ENODEV;
615 }
616
617 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
618 * => how to recognize both */
619 static void r871xu_dev_remove(struct usb_interface *pusb_intf)
620 {
621 struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
622 struct _adapter *padapter = netdev_priv(pnetdev);
623 struct usb_device *udev = interface_to_usbdev(pusb_intf);
624
625 usb_set_intfdata(pusb_intf, NULL);
626 if (padapter->fw_found)
627 release_firmware(padapter->fw);
628 /* never exit with a firmware callback pending */
629 wait_for_completion(&padapter->rtl8712_fw_ready);
630 if (drvpriv.drv_registered == true)
631 padapter->bSurpriseRemoved = true;
632 if (pnetdev != NULL) {
633 /* will call netdev_close() */
634 unregister_netdev(pnetdev);
635 }
636 flush_scheduled_work();
637 udelay(1);
638 /*Stop driver mlme relation timer */
639 if (padapter->fw_found)
640 r8712_stop_drv_timers(padapter);
641 r871x_dev_unload(padapter);
642 r8712_free_drv_sw(padapter);
643 usb_set_intfdata(pusb_intf, NULL);
644 /* decrease the reference count of the usb device structure
645 * when disconnect */
646 usb_put_dev(udev);
647 /* If we didn't unplug usb dongle and remove/insert module, driver
648 * fails on sitesurvey for the first time when device is up.
649 * Reset usb port for sitesurvey fail issue. */
650 if (udev->state != USB_STATE_NOTATTACHED)
651 usb_reset_device(udev);
652 return;
653 }
654
655 static int __init r8712u_drv_entry(void)
656 {
657 drvpriv.drv_registered = true;
658 return usb_register(&drvpriv.r871xu_drv);
659 }
660
661 static void __exit r8712u_drv_halt(void)
662 {
663 drvpriv.drv_registered = false;
664 usb_deregister(&drvpriv.r871xu_drv);
665 printk(KERN_INFO "r8712u: Driver unloaded\n");
666 }
667
668 module_init(r8712u_drv_entry);
669 module_exit(r8712u_drv_halt);
Linux kernel - Deliverables
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