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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[mirror_ubuntu-artful-kernel.git] / drivers / staging / rt2860 / usb_main_dev.c
1 /*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************/
26
27 #include "rt_config.h"
28
29 /* Following information will be show when you run 'modinfo' */
30 /* *** If you have a solution for the bug in current version of driver, please mail to me. */
31 /* Otherwise post to forum in ralinktech's web site(www.ralinktech.com) and let all users help you. *** */
32 MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>");
33 MODULE_DESCRIPTION("RT2870/RT3070 Wireless Lan Linux Driver");
34 MODULE_LICENSE("GPL");
35 #ifdef MODULE_VERSION
36 MODULE_VERSION(STA_DRIVER_VERSION);
37 #endif
38
39 /* module table */
40 struct usb_device_id rtusb_usb_id[] = {
41 #ifdef RT2870
42 {USB_DEVICE(0x148F, 0x2770)}, /* Ralink */
43 {USB_DEVICE(0x148F, 0x2870)}, /* Ralink */
44 {USB_DEVICE(0x07B8, 0x2870)}, /* AboCom */
45 {USB_DEVICE(0x07B8, 0x2770)}, /* AboCom */
46 {USB_DEVICE(0x0DF6, 0x0039)}, /* Sitecom 2770 */
47 {USB_DEVICE(0x0DF6, 0x003F)}, /* Sitecom 2770 */
48 {USB_DEVICE(0x083A, 0x7512)}, /* Arcadyan 2770 */
49 {USB_DEVICE(0x0789, 0x0162)}, /* Logitec 2870 */
50 {USB_DEVICE(0x0789, 0x0163)}, /* Logitec 2870 */
51 {USB_DEVICE(0x0789, 0x0164)}, /* Logitec 2870 */
52 {USB_DEVICE(0x177f, 0x0302)}, /* lsusb */
53 {USB_DEVICE(0x0B05, 0x1731)}, /* Asus */
54 {USB_DEVICE(0x0B05, 0x1732)}, /* Asus */
55 {USB_DEVICE(0x0B05, 0x1742)}, /* Asus */
56 {USB_DEVICE(0x0DF6, 0x0017)}, /* Sitecom */
57 {USB_DEVICE(0x0DF6, 0x002B)}, /* Sitecom */
58 {USB_DEVICE(0x0DF6, 0x002C)}, /* Sitecom */
59 {USB_DEVICE(0x0DF6, 0x002D)}, /* Sitecom */
60 {USB_DEVICE(0x14B2, 0x3C06)}, /* Conceptronic */
61 {USB_DEVICE(0x14B2, 0x3C28)}, /* Conceptronic */
62 {USB_DEVICE(0x2019, 0xED06)}, /* Planex Communications, Inc. */
63 {USB_DEVICE(0x07D1, 0x3C09)}, /* D-Link */
64 {USB_DEVICE(0x07D1, 0x3C11)}, /* D-Link */
65 {USB_DEVICE(0x14B2, 0x3C07)}, /* AL */
66 {USB_DEVICE(0x050D, 0x8053)}, /* Belkin */
67 {USB_DEVICE(0x050D, 0x825B)}, /* Belkin */
68 {USB_DEVICE(0x050D, 0x935A)}, /* Belkin F6D4050 v1 */
69 {USB_DEVICE(0x050D, 0x935B)}, /* Belkin F6D4050 v2 */
70 {USB_DEVICE(0x14B2, 0x3C23)}, /* Airlink */
71 {USB_DEVICE(0x14B2, 0x3C27)}, /* Airlink */
72 {USB_DEVICE(0x07AA, 0x002F)}, /* Corega */
73 {USB_DEVICE(0x07AA, 0x003C)}, /* Corega */
74 {USB_DEVICE(0x07AA, 0x003F)}, /* Corega */
75 {USB_DEVICE(0x1044, 0x800B)}, /* Gigabyte */
76 {USB_DEVICE(0x15A9, 0x0006)}, /* Sparklan */
77 {USB_DEVICE(0x083A, 0xB522)}, /* SMC */
78 {USB_DEVICE(0x083A, 0xA618)}, /* SMC */
79 {USB_DEVICE(0x083A, 0x8522)}, /* Arcadyan */
80 {USB_DEVICE(0x083A, 0x7522)}, /* Arcadyan */
81 {USB_DEVICE(0x0CDE, 0x0022)}, /* ZCOM */
82 {USB_DEVICE(0x0586, 0x3416)}, /* Zyxel */
83 {USB_DEVICE(0x0586, 0x341a)}, /* Zyxel NWD-270N */
84 {USB_DEVICE(0x0CDE, 0x0025)}, /* Zyxel */
85 {USB_DEVICE(0x1740, 0x9701)}, /* EnGenius */
86 {USB_DEVICE(0x1740, 0x9702)}, /* EnGenius */
87 {USB_DEVICE(0x0471, 0x200f)}, /* Philips */
88 {USB_DEVICE(0x14B2, 0x3C25)}, /* Draytek */
89 {USB_DEVICE(0x13D3, 0x3247)}, /* AzureWave */
90 {USB_DEVICE(0x083A, 0x6618)}, /* Accton */
91 {USB_DEVICE(0x15c5, 0x0008)}, /* Amit */
92 {USB_DEVICE(0x0E66, 0x0001)}, /* Hawking */
93 {USB_DEVICE(0x0E66, 0x0003)}, /* Hawking */
94 {USB_DEVICE(0x129B, 0x1828)}, /* Siemens */
95 {USB_DEVICE(0x157E, 0x300E)}, /* U-Media */
96 {USB_DEVICE(0x050d, 0x805c)},
97 {USB_DEVICE(0x050d, 0x815c)},
98 {USB_DEVICE(0x1482, 0x3C09)}, /* Abocom */
99 {USB_DEVICE(0x14B2, 0x3C09)}, /* Alpha */
100 {USB_DEVICE(0x04E8, 0x2018)}, /* samsung linkstick2 */
101 {USB_DEVICE(0x1690, 0x0740)}, /* Askey */
102 {USB_DEVICE(0x5A57, 0x0280)}, /* Zinwell */
103 {USB_DEVICE(0x5A57, 0x0282)}, /* Zinwell */
104 {USB_DEVICE(0x7392, 0x7718)},
105 {USB_DEVICE(0x7392, 0x7717)},
106 {USB_DEVICE(0x0411, 0x016f)}, /* MelCo.,Inc. WLI-UC-G301N */
107 {USB_DEVICE(0x1737, 0x0070)}, /* Linksys WUSB100 */
108 {USB_DEVICE(0x1737, 0x0071)}, /* Linksys WUSB600N */
109 {USB_DEVICE(0x0411, 0x00e8)}, /* Buffalo WLI-UC-G300N */
110 {USB_DEVICE(0x050d, 0x815c)}, /* Belkin F5D8053 */
111 {USB_DEVICE(0x100D, 0x9031)}, /* Motorola 2770 */
112 #endif /* RT2870 // */
113 #ifdef RT3070
114 {USB_DEVICE(0x148F, 0x3070)}, /* Ralink 3070 */
115 {USB_DEVICE(0x148F, 0x3071)}, /* Ralink 3071 */
116 {USB_DEVICE(0x148F, 0x3072)}, /* Ralink 3072 */
117 {USB_DEVICE(0x0DB0, 0x3820)}, /* Ralink 3070 */
118 {USB_DEVICE(0x0DB0, 0x871C)}, /* Ralink 3070 */
119 {USB_DEVICE(0x0DB0, 0x822C)}, /* Ralink 3070 */
120 {USB_DEVICE(0x0DB0, 0x871B)}, /* Ralink 3070 */
121 {USB_DEVICE(0x0DB0, 0x822B)}, /* Ralink 3070 */
122 {USB_DEVICE(0x0DF6, 0x003E)}, /* Sitecom 3070 */
123 {USB_DEVICE(0x0DF6, 0x0042)}, /* Sitecom 3072 */
124 {USB_DEVICE(0x0DF6, 0x0048)}, /* Sitecom 3070 */
125 {USB_DEVICE(0x0DF6, 0x0047)}, /* Sitecom 3071 */
126 {USB_DEVICE(0x14B2, 0x3C12)}, /* AL 3070 */
127 {USB_DEVICE(0x18C5, 0x0012)}, /* Corega 3070 */
128 {USB_DEVICE(0x083A, 0x7511)}, /* Arcadyan 3070 */
129 {USB_DEVICE(0x083A, 0xA701)}, /* SMC 3070 */
130 {USB_DEVICE(0x083A, 0xA702)}, /* SMC 3072 */
131 {USB_DEVICE(0x1740, 0x9703)}, /* EnGenius 3070 */
132 {USB_DEVICE(0x1740, 0x9705)}, /* EnGenius 3071 */
133 {USB_DEVICE(0x1740, 0x9706)}, /* EnGenius 3072 */
134 {USB_DEVICE(0x1740, 0x9707)}, /* EnGenius 3070 */
135 {USB_DEVICE(0x1740, 0x9708)}, /* EnGenius 3071 */
136 {USB_DEVICE(0x1740, 0x9709)}, /* EnGenius 3072 */
137 {USB_DEVICE(0x13D3, 0x3273)}, /* AzureWave 3070 */
138 {USB_DEVICE(0x13D3, 0x3305)}, /* AzureWave 3070*/
139 {USB_DEVICE(0x1044, 0x800D)}, /* Gigabyte GN-WB32L 3070 */
140 {USB_DEVICE(0x2019, 0xAB25)}, /* Planex Communications, Inc. RT3070 */
141 {USB_DEVICE(0x07B8, 0x3070)}, /* AboCom 3070 */
142 {USB_DEVICE(0x07B8, 0x3071)}, /* AboCom 3071 */
143 {USB_DEVICE(0x07B8, 0x3072)}, /* Abocom 3072 */
144 {USB_DEVICE(0x7392, 0x7711)}, /* Edimax 3070 */
145 {USB_DEVICE(0x1A32, 0x0304)}, /* Quanta 3070 */
146 {USB_DEVICE(0x1EDA, 0x2310)}, /* AirTies 3070 */
147 {USB_DEVICE(0x07D1, 0x3C0A)}, /* D-Link 3072 */
148 {USB_DEVICE(0x07D1, 0x3C0D)}, /* D-Link 3070 */
149 {USB_DEVICE(0x07D1, 0x3C0E)}, /* D-Link 3070 */
150 {USB_DEVICE(0x07D1, 0x3C0F)}, /* D-Link 3070 */
151 {USB_DEVICE(0x07D1, 0x3C16)}, /* D-Link 3070 */
152 {USB_DEVICE(0x07D1, 0x3C17)}, /* D-Link 8070 */
153 {USB_DEVICE(0x1D4D, 0x000C)}, /* Pegatron Corporation 3070 */
154 {USB_DEVICE(0x1D4D, 0x000E)}, /* Pegatron Corporation 3070 */
155 {USB_DEVICE(0x5A57, 0x5257)}, /* Zinwell 3070 */
156 {USB_DEVICE(0x5A57, 0x0283)}, /* Zinwell 3072 */
157 {USB_DEVICE(0x04BB, 0x0945)}, /* I-O DATA 3072 */
158 {USB_DEVICE(0x04BB, 0x0947)}, /* I-O DATA 3070 */
159 {USB_DEVICE(0x04BB, 0x0948)}, /* I-O DATA 3072 */
160 {USB_DEVICE(0x203D, 0x1480)}, /* Encore 3070 */
161 {USB_DEVICE(0x20B8, 0x8888)}, /* PARA INDUSTRIAL 3070 */
162 {USB_DEVICE(0x0B05, 0x1784)}, /* Asus 3072 */
163 {USB_DEVICE(0x203D, 0x14A9)}, /* Encore 3070*/
164 {USB_DEVICE(0x0DB0, 0x899A)}, /* MSI 3070*/
165 {USB_DEVICE(0x0DB0, 0x3870)}, /* MSI 3070*/
166 {USB_DEVICE(0x0DB0, 0x870A)}, /* MSI 3070*/
167 {USB_DEVICE(0x0DB0, 0x6899)}, /* MSI 3070 */
168 {USB_DEVICE(0x0DB0, 0x3822)}, /* MSI 3070 */
169 {USB_DEVICE(0x0DB0, 0x3871)}, /* MSI 3070 */
170 {USB_DEVICE(0x0DB0, 0x871A)}, /* MSI 3070 */
171 {USB_DEVICE(0x0DB0, 0x822A)}, /* MSI 3070 */
172 {USB_DEVICE(0x0DB0, 0x3821)}, /* Ralink 3070 */
173 {USB_DEVICE(0x0DB0, 0x821A)}, /* Ralink 3070 */
174 {USB_DEVICE(0x083A, 0xA703)}, /* IO-MAGIC */
175 {USB_DEVICE(0x13D3, 0x3307)}, /* Azurewave */
176 {USB_DEVICE(0x13D3, 0x3321)}, /* Azurewave */
177 {USB_DEVICE(0x07FA, 0x7712)}, /* Edimax */
178 {USB_DEVICE(0x0789, 0x0166)}, /* Edimax */
179 {USB_DEVICE(0x148F, 0x2070)}, /* Edimax */
180 #endif /* RT3070 // */
181 {USB_DEVICE(0x1737, 0x0077)}, /* Linksys WUSB54GC-EU v3 */
182 {USB_DEVICE(0x2001, 0x3C09)}, /* D-Link */
183 {USB_DEVICE(0x2001, 0x3C0A)}, /* D-Link 3072 */
184 {USB_DEVICE(0x2019, 0xED14)}, /* Planex Communications, Inc. */
185 {USB_DEVICE(0x0411, 0x015D)}, /* Buffalo Airstation WLI-UC-GN */
186 {} /* Terminating entry */
187 };
188
189 int const rtusb_usb_id_len =
190 sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);
191
192 MODULE_DEVICE_TABLE(usb, rtusb_usb_id);
193
194 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd);
195
196 static int __devinit rt2870_probe(IN struct usb_interface *intf,
197 IN struct usb_device *usb_dev,
198 IN const struct usb_device_id *dev_id,
199 struct rt_rtmp_adapter **ppAd);
200
201 #ifndef PF_NOFREEZE
202 #define PF_NOFREEZE 0
203 #endif
204
205 extern int rt28xx_close(IN struct net_device *net_dev);
206 extern int rt28xx_open(struct net_device *net_dev);
207
208 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
209 IN struct usb_interface *intf,
210 struct rt_rtmp_adapter *pAd);
211
212 /*
213 ========================================================================
214 Routine Description:
215 Check the chipset vendor/product ID.
216
217 Arguments:
218 _dev_p Point to the PCI or USB device
219
220 Return Value:
221 TRUE Check ok
222 FALSE Check fail
223
224 Note:
225 ========================================================================
226 */
227 BOOLEAN RT28XXChipsetCheck(IN void *_dev_p)
228 {
229 struct usb_interface *intf = (struct usb_interface *)_dev_p;
230 struct usb_device *dev_p = interface_to_usbdev(intf);
231 u32 i;
232
233 for (i = 0; i < rtusb_usb_id_len; i++) {
234 if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
235 dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct) {
236 printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
237 dev_p->descriptor.idVendor,
238 dev_p->descriptor.idProduct);
239 break;
240 }
241 }
242
243 if (i == rtusb_usb_id_len) {
244 printk("rt2870: Error! Device Descriptor not matching!\n");
245 return FALSE;
246 }
247
248 return TRUE;
249 }
250
251 /**************************************************************************/
252 /**************************************************************************/
253 /*tested for kernel 2.6series */
254 /**************************************************************************/
255 /**************************************************************************/
256
257 #ifdef CONFIG_PM
258 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
259 static int rt2870_resume(struct usb_interface *intf);
260 #endif /* CONFIG_PM // */
261
262 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
263 IN struct usb_interface *intf,
264 struct rt_rtmp_adapter *pAd)
265 {
266 struct usb_host_interface *iface_desc;
267 unsigned long BulkOutIdx;
268 u32 i;
269
270 /* get the active interface descriptor */
271 iface_desc = intf->cur_altsetting;
272
273 /* get # of enpoints */
274 pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
275 DBGPRINT(RT_DEBUG_TRACE,
276 ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));
277
278 /* Configure Pipes */
279 BulkOutIdx = 0;
280
281 for (i = 0; i < pAd->NumberOfPipes; i++) {
282 if ((iface_desc->endpoint[i].desc.bmAttributes ==
283 USB_ENDPOINT_XFER_BULK) &&
284 ((iface_desc->endpoint[i].desc.bEndpointAddress &
285 USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)) {
286 pAd->BulkInEpAddr =
287 iface_desc->endpoint[i].desc.bEndpointAddress;
288 pAd->BulkInMaxPacketSize =
289 le2cpu16(iface_desc->endpoint[i].desc.
290 wMaxPacketSize);
291
292 DBGPRINT_RAW(RT_DEBUG_TRACE,
293 ("BULK IN MaxPacketSize = %d\n",
294 pAd->BulkInMaxPacketSize));
295 DBGPRINT_RAW(RT_DEBUG_TRACE,
296 ("EP address = 0x%2x\n",
297 iface_desc->endpoint[i].desc.
298 bEndpointAddress));
299 } else
300 if ((iface_desc->endpoint[i].desc.bmAttributes ==
301 USB_ENDPOINT_XFER_BULK)
302 &&
303 ((iface_desc->endpoint[i].desc.
304 bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
305 USB_DIR_OUT)) {
306 /* there are 6 bulk out EP. EP6 highest priority. */
307 /* EP1-4 is EDCA. EP5 is HCCA. */
308 pAd->BulkOutEpAddr[BulkOutIdx++] =
309 iface_desc->endpoint[i].desc.bEndpointAddress;
310 pAd->BulkOutMaxPacketSize =
311 le2cpu16(iface_desc->endpoint[i].desc.
312 wMaxPacketSize);
313
314 DBGPRINT_RAW(RT_DEBUG_TRACE,
315 ("BULK OUT MaxPacketSize = %d\n",
316 pAd->BulkOutMaxPacketSize));
317 DBGPRINT_RAW(RT_DEBUG_TRACE,
318 ("EP address = 0x%2x \n",
319 iface_desc->endpoint[i].desc.
320 bEndpointAddress));
321 }
322 }
323
324 if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) {
325 printk
326 ("%s: Could not find both bulk-in and bulk-out endpoints\n",
327 __FUNCTION__);
328 return FALSE;
329 }
330
331 pAd->config = &dev->config->desc;
332 usb_set_intfdata(intf, pAd);
333
334 return TRUE;
335
336 }
337
338 static int __devinit rtusb_probe(struct usb_interface *intf,
339 const struct usb_device_id *id)
340 {
341 struct rt_rtmp_adapter *pAd;
342 struct usb_device *dev;
343 int rv;
344
345 dev = interface_to_usbdev(intf);
346 dev = usb_get_dev(dev);
347
348 rv = rt2870_probe(intf, dev, id, &pAd);
349 if (rv != 0)
350 usb_put_dev(dev);
351
352 return rv;
353 }
354
355 static void rtusb_disconnect(struct usb_interface *intf)
356 {
357 struct usb_device *dev = interface_to_usbdev(intf);
358 struct rt_rtmp_adapter *pAd;
359
360 pAd = usb_get_intfdata(intf);
361 usb_set_intfdata(intf, NULL);
362
363 rt2870_disconnect(dev, pAd);
364 }
365
366 struct usb_driver rtusb_driver = {
367 .name = "rt2870",
368 .probe = rtusb_probe,
369 .disconnect = rtusb_disconnect,
370 .id_table = rtusb_usb_id,
371
372 #ifdef CONFIG_PM
373 suspend:rt2870_suspend,
374 resume:rt2870_resume,
375 #endif
376 };
377
378 #ifdef CONFIG_PM
379
380 void RT2870RejectPendingPackets(struct rt_rtmp_adapter *pAd)
381 {
382 /* clear PS packets */
383 /* clear TxSw packets */
384 }
385
386 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state)
387 {
388 struct net_device *net_dev;
389 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
390
391 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
392 net_dev = pAd->net_dev;
393 netif_device_detach(net_dev);
394
395 pAd->PM_FlgSuspend = 1;
396 if (netif_running(net_dev)) {
397 RTUSBCancelPendingBulkInIRP(pAd);
398 RTUSBCancelPendingBulkOutIRP(pAd);
399 }
400 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
401 return 0;
402 }
403
404 static int rt2870_resume(struct usb_interface *intf)
405 {
406 struct net_device *net_dev;
407 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
408
409 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));
410
411 pAd->PM_FlgSuspend = 0;
412 net_dev = pAd->net_dev;
413 netif_device_attach(net_dev);
414 netif_start_queue(net_dev);
415 netif_carrier_on(net_dev);
416 netif_wake_queue(net_dev);
417
418 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
419 return 0;
420 }
421 #endif /* CONFIG_PM // */
422
423 /* Init driver module */
424 int __init rtusb_init(void)
425 {
426 printk("rtusb init --->\n");
427 return usb_register(&rtusb_driver);
428 }
429
430 /* Deinit driver module */
431 void __exit rtusb_exit(void)
432 {
433 usb_deregister(&rtusb_driver);
434 printk("<--- rtusb exit\n");
435 }
436
437 module_init(rtusb_init);
438 module_exit(rtusb_exit);
439
440 /*--------------------------------------------------------------------- */
441 /* function declarations */
442 /*--------------------------------------------------------------------- */
443
444 /*
445 ========================================================================
446 Routine Description:
447 MLME kernel thread.
448
449 Arguments:
450 *Context the pAd, driver control block pointer
451
452 Return Value:
453 0 close the thread
454
455 Note:
456 ========================================================================
457 */
458 int MlmeThread(IN void *Context)
459 {
460 struct rt_rtmp_adapter *pAd;
461 struct rt_rtmp_os_task *pTask;
462 int status;
463 status = 0;
464
465 pTask = Context;
466 pAd = pTask->priv;
467
468 RtmpOSTaskCustomize(pTask);
469
470 while (!pTask->task_killed) {
471 #ifdef KTHREAD_SUPPORT
472 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
473 #else
474 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
475
476 /* unlock the device pointers */
477 if (status != 0) {
478 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
479 break;
480 }
481 #endif
482
483 /* lock the device pointers , need to check if required */
484 /*down(&(pAd->usbdev_semaphore)); */
485
486 if (!pAd->PM_FlgSuspend)
487 MlmeHandler(pAd);
488 }
489
490 /* notify the exit routine that we're actually exiting now
491 *
492 * complete()/wait_for_completion() is similar to up()/down(),
493 * except that complete() is safe in the case where the structure
494 * is getting deleted in a parallel mode of execution (i.e. just
495 * after the down() -- that's necessary for the thread-shutdown
496 * case.
497 *
498 * complete_and_exit() goes even further than this -- it is safe in
499 * the case that the thread of the caller is going away (not just
500 * the structure) -- this is necessary for the module-remove case.
501 * This is important in preemption kernels, which transfer the flow
502 * of execution immediately upon a complete().
503 */
504 DBGPRINT(RT_DEBUG_TRACE, ("<---%s\n", __FUNCTION__));
505 #ifndef KTHREAD_SUPPORT
506 pTask->taskPID = THREAD_PID_INIT_VALUE;
507 complete_and_exit(&pTask->taskComplete, 0);
508 #endif
509 return 0;
510
511 }
512
513 /*
514 ========================================================================
515 Routine Description:
516 USB command kernel thread.
517
518 Arguments:
519 *Context the pAd, driver control block pointer
520
521 Return Value:
522 0 close the thread
523
524 Note:
525 ========================================================================
526 */
527 int RTUSBCmdThread(IN void *Context)
528 {
529 struct rt_rtmp_adapter *pAd;
530 struct rt_rtmp_os_task *pTask;
531 int status;
532 status = 0;
533
534 pTask = Context;
535 pAd = pTask->priv;
536
537 RtmpOSTaskCustomize(pTask);
538
539 NdisAcquireSpinLock(&pAd->CmdQLock);
540 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_RUNNING;
541 NdisReleaseSpinLock(&pAd->CmdQLock);
542
543 while (pAd && pAd->CmdQ.CmdQState == RTMP_TASK_STAT_RUNNING) {
544 #ifdef KTHREAD_SUPPORT
545 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
546 #else
547 /* lock the device pointers */
548 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
549
550 if (status != 0) {
551 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
552 break;
553 }
554 #endif
555
556 if (pAd->CmdQ.CmdQState == RTMP_TASK_STAT_STOPED)
557 break;
558
559 if (!pAd->PM_FlgSuspend)
560 CMDHandler(pAd);
561 }
562
563 if (pAd && !pAd->PM_FlgSuspend) { /* Clear the CmdQElements. */
564 struct rt_cmdqelmt *pCmdQElmt = NULL;
565
566 NdisAcquireSpinLock(&pAd->CmdQLock);
567 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_STOPED;
568 while (pAd->CmdQ.size) {
569 RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt);
570 if (pCmdQElmt) {
571 if (pCmdQElmt->CmdFromNdis == TRUE) {
572 if (pCmdQElmt->buffer != NULL)
573 os_free_mem(pAd,
574 pCmdQElmt->buffer);
575 os_free_mem(pAd, (u8 *)pCmdQElmt);
576 } else {
577 if ((pCmdQElmt->buffer != NULL)
578 && (pCmdQElmt->bufferlength != 0))
579 os_free_mem(pAd,
580 pCmdQElmt->buffer);
581 os_free_mem(pAd, (u8 *)pCmdQElmt);
582 }
583 }
584 }
585
586 NdisReleaseSpinLock(&pAd->CmdQLock);
587 }
588 /* notify the exit routine that we're actually exiting now
589 *
590 * complete()/wait_for_completion() is similar to up()/down(),
591 * except that complete() is safe in the case where the structure
592 * is getting deleted in a parallel mode of execution (i.e. just
593 * after the down() -- that's necessary for the thread-shutdown
594 * case.
595 *
596 * complete_and_exit() goes even further than this -- it is safe in
597 * the case that the thread of the caller is going away (not just
598 * the structure) -- this is necessary for the module-remove case.
599 * This is important in preemption kernels, which transfer the flow
600 * of execution immediately upon a complete().
601 */
602 DBGPRINT(RT_DEBUG_TRACE, ("<---RTUSBCmdThread\n"));
603
604 #ifndef KTHREAD_SUPPORT
605 pTask->taskPID = THREAD_PID_INIT_VALUE;
606 complete_and_exit(&pTask->taskComplete, 0);
607 #endif
608 return 0;
609
610 }
611
612 void RTUSBWatchDog(struct rt_rtmp_adapter *pAd)
613 {
614 struct rt_ht_tx_context *pHTTXContext;
615 int idx;
616 unsigned long irqFlags;
617 PURB pUrb;
618 BOOLEAN needDumpSeq = FALSE;
619 u32 MACValue;
620 u32 TxRxQ_Pcnt;
621
622 idx = 0;
623 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
624 if ((MACValue & 0xff) != 0) {
625 DBGPRINT(RT_DEBUG_TRACE,
626 ("TX QUEUE 0 Not EMPTY(Value=0x%0x)!\n",
627 MACValue));
628 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012);
629 while ((MACValue & 0xff) != 0 && (idx++ < 10)) {
630 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
631 RTMPusecDelay(1);
632 }
633 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
634 }
635
636 if (pAd->watchDogRxOverFlowCnt >= 2) {
637 DBGPRINT(RT_DEBUG_TRACE,
638 ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n"));
639 if ((!RTMP_TEST_FLAG
640 (pAd,
641 (fRTMP_ADAPTER_RESET_IN_PROGRESS |
642 fRTMP_ADAPTER_BULKIN_RESET |
643 fRTMP_ADAPTER_HALT_IN_PROGRESS |
644 fRTMP_ADAPTER_NIC_NOT_EXIST)))) {
645 DBGPRINT(RT_DEBUG_TRACE,
646 ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n"));
647 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
648 RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN,
649 NULL, 0);
650 needDumpSeq = TRUE;
651 }
652 pAd->watchDogRxOverFlowCnt = 0;
653 }
654
655 RTUSBReadMACRegister(pAd, 0x438, &TxRxQ_Pcnt);
656
657 for (idx = 0; idx < NUM_OF_TX_RING; idx++) {
658 pUrb = NULL;
659
660 RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags);
661 if ((pAd->BulkOutPending[idx] == TRUE)
662 && pAd->watchDogTxPendingCnt) {
663 int actual_length = 0, transfer_buffer_length = 0;
664 BOOLEAN isDataPacket = FALSE;
665 pAd->watchDogTxPendingCnt[idx]++;
666
667 if ((pAd->watchDogTxPendingCnt[idx] > 2) &&
668 (!RTMP_TEST_FLAG
669 (pAd,
670 (fRTMP_ADAPTER_RESET_IN_PROGRESS |
671 fRTMP_ADAPTER_HALT_IN_PROGRESS |
672 fRTMP_ADAPTER_NIC_NOT_EXIST |
673 fRTMP_ADAPTER_BULKOUT_RESET)))
674 ) {
675 /* FIXME: Following code just support single bulk out. If you wanna support multiple bulk out. Modify it! */
676 pHTTXContext =
677 (struct rt_ht_tx_context *)(&pAd->TxContext[idx]);
678 if (pHTTXContext->IRPPending) { /* Check TxContext. */
679 pUrb = pHTTXContext->pUrb;
680
681 actual_length = pUrb->actual_length;
682 transfer_buffer_length =
683 pUrb->transfer_buffer_length;
684 isDataPacket = TRUE;
685 } else if (idx == MGMTPIPEIDX) {
686 struct rt_tx_context *pMLMEContext, *pNULLContext,
687 *pPsPollContext;
688
689 /*Check MgmtContext. */
690 pMLMEContext =
691 (struct rt_tx_context *)(pAd->MgmtRing.
692 Cell[pAd->MgmtRing.
693 TxDmaIdx].
694 AllocVa);
695 pPsPollContext =
696 (struct rt_tx_context *)(&pAd->PsPollContext);
697 pNULLContext =
698 (struct rt_tx_context *)(&pAd->NullContext);
699
700 if (pMLMEContext->IRPPending) {
701 ASSERT(pMLMEContext->
702 IRPPending);
703 pUrb = pMLMEContext->pUrb;
704 } else if (pNULLContext->IRPPending) {
705 ASSERT(pNULLContext->
706 IRPPending);
707 pUrb = pNULLContext->pUrb;
708 } else if (pPsPollContext->IRPPending) {
709 ASSERT(pPsPollContext->
710 IRPPending);
711 pUrb = pPsPollContext->pUrb;
712 }
713 }
714
715 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
716 irqFlags);
717
718 printk(KERN_INFO "%d:%lu LTL=%d , TL=%d L:%d\n",
719 idx, pAd->watchDogTxPendingCnt[idx],
720 pAd->TransferedLength[idx],
721 actual_length, transfer_buffer_length);
722
723 if (pUrb) {
724 if ((isDataPacket
725 && pAd->TransferedLength[idx] ==
726 actual_length
727 && pAd->TransferedLength[idx] <
728 transfer_buffer_length
729 && actual_length != 0
730 /* && TxRxQ_Pcnt==0 */
731 && pAd->watchDogTxPendingCnt[idx] >
732 3)
733 || isDataPacket == FALSE
734 || pAd->watchDogTxPendingCnt[idx] >
735 6) {
736 DBGPRINT(RT_DEBUG_TRACE,
737 ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n",
738 idx));
739 DBGPRINT(RT_DEBUG_TRACE,
740 ("Unlink the pending URB!\n"));
741 /* unlink it now */
742 RTUSB_UNLINK_URB(pUrb);
743 /* Sleep 200 microseconds to give cancellation time to work */
744 /*RTMPusecDelay(200); */
745 needDumpSeq = TRUE;
746 }
747 } else {
748 DBGPRINT(RT_DEBUG_ERROR,
749 ("Unknown bulkOut URB maybe hanged!\n"));
750 }
751 } else {
752 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
753 irqFlags);
754 }
755
756 if (isDataPacket == TRUE)
757 pAd->TransferedLength[idx] = actual_length;
758 } else {
759 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
760 }
761 }
762
763 /* For Sigma debug, dump the ba_reordering sequence. */
764 if ((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0)) {
765 u16 Idx;
766 struct rt_ba_rec_entry *pBAEntry = NULL;
767 u8 count = 0;
768 struct reordering_mpdu *mpdu_blk;
769
770 Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0];
771
772 pBAEntry = &pAd->BATable.BARecEntry[Idx];
773 if ((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL)) {
774 DBGPRINT(RT_DEBUG_TRACE,
775 ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n"));
776 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
777 mpdu_blk = pBAEntry->list.next;
778 while (mpdu_blk) {
779 DBGPRINT(RT_DEBUG_TRACE,
780 ("\t%d:Seq-%d, bAMSDU-%d!\n", count,
781 mpdu_blk->Sequence,
782 mpdu_blk->bAMSDU));
783 mpdu_blk = mpdu_blk->next;
784 count++;
785 }
786
787 DBGPRINT(RT_DEBUG_TRACE,
788 ("\npBAEntry->LastIndSeq=%d!\n",
789 pBAEntry->LastIndSeq));
790 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
791 }
792 }
793 }
794
795 /*
796 ========================================================================
797 Routine Description:
798 Release allocated resources.
799
800 Arguments:
801 *dev Point to the PCI or USB device
802 pAd driver control block pointer
803
804 Return Value:
805 None
806
807 Note:
808 ========================================================================
809 */
810 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd)
811 {
812 DBGPRINT(RT_DEBUG_ERROR,
813 ("rtusb_disconnect: unregister usbnet usb-%s-%s\n",
814 dev->bus->bus_name, dev->devpath));
815 if (!pAd) {
816 usb_put_dev(dev);
817 printk("rtusb_disconnect: pAd == NULL!\n");
818 return;
819 }
820 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST);
821
822 /* for debug, wait to show some messages to /proc system */
823 udelay(1);
824
825 RtmpPhyNetDevExit(pAd, pAd->net_dev);
826
827 /* FIXME: Shall we need following delay and flush the schedule?? */
828 udelay(1);
829 flush_scheduled_work();
830 udelay(1);
831
832 /* free the root net_device */
833 RtmpOSNetDevFree(pAd->net_dev);
834
835 RtmpRaDevCtrlExit(pAd);
836
837 /* release a use of the usb device structure */
838 usb_put_dev(dev);
839 udelay(1);
840
841 DBGPRINT(RT_DEBUG_ERROR, (" RTUSB disconnect successfully\n"));
842 }
843
844 static int __devinit rt2870_probe(IN struct usb_interface *intf,
845 IN struct usb_device *usb_dev,
846 IN const struct usb_device_id *dev_id,
847 struct rt_rtmp_adapter **ppAd)
848 {
849 struct net_device *net_dev = NULL;
850 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)NULL;
851 int status, rv;
852 void *handle;
853 struct rt_rtmp_os_netdev_op_hook netDevHook;
854
855 DBGPRINT(RT_DEBUG_TRACE, ("===>rt2870_probe()!\n"));
856
857 /* Check chipset vendor/product ID */
858 /*if (RT28XXChipsetCheck(_dev_p) == FALSE) */
859 /* goto err_out; */
860
861 /*RtmpDevInit============================================= */
862 /* Allocate struct rt_rtmp_adapter adapter structure */
863 handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
864 if (handle == NULL) {
865 printk
866 ("rt2870_probe(): Allocate memory for os handle failed!\n");
867 return -ENOMEM;
868 }
869 ((struct os_cookie *)handle)->pUsb_Dev = usb_dev;
870
871 rv = RTMPAllocAdapterBlock(handle, &pAd);
872 if (rv != NDIS_STATUS_SUCCESS) {
873 kfree(handle);
874 goto err_out;
875 }
876 /*USBDevInit============================================== */
877 if (USBDevConfigInit(usb_dev, intf, pAd) == FALSE)
878 goto err_out_free_radev;
879
880 RtmpRaDevCtrlInit(pAd, RTMP_DEV_INF_USB);
881
882 /*NetDevInit============================================== */
883 net_dev = RtmpPhyNetDevInit(pAd, &netDevHook);
884 if (net_dev == NULL)
885 goto err_out_free_radev;
886
887 /* Here are the net_device structure with usb specific parameters. */
888 /* for supporting Network Manager.
889 * Set the sysfs physical device reference for the network logical device if set prior to registration will
890 * cause a symlink during initialization.
891 */
892 SET_NETDEV_DEV(net_dev, &(usb_dev->dev));
893
894 pAd->StaCfg.OriDevType = net_dev->type;
895
896 /*All done, it's time to register the net device to linux kernel. */
897 /* Register this device */
898 status = RtmpOSNetDevAttach(net_dev, &netDevHook);
899 if (status != 0)
900 goto err_out_free_netdev;
901
902 #ifdef KTHREAD_SUPPORT
903 init_waitqueue_head(&pAd->mlmeTask.kthread_q);
904 init_waitqueue_head(&pAd->timerTask.kthread_q);
905 init_waitqueue_head(&pAd->cmdQTask.kthread_q);
906 #endif
907
908 *ppAd = pAd;
909
910 DBGPRINT(RT_DEBUG_TRACE, ("<===rt2870_probe()!\n"));
911
912 return 0;
913
914 /* --------------------------- ERROR HANDLE --------------------------- */
915 err_out_free_netdev:
916 RtmpOSNetDevFree(net_dev);
917
918 err_out_free_radev:
919 RTMPFreeAdapter(pAd);
920
921 err_out:
922 *ppAd = NULL;
923
924 return -1;
925
926 }
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