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[mirror_ubuntu-artful-kernel.git] / drivers / staging / rtl8188eu / os_dep / usb_intf.c
CommitLineData
c2478d39
LF		 1/******************************************************************************
2 *
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20#define _HCI_INTF_C_
21
22#include <osdep_service.h>
23#include <drv_types.h>
24#include <recv_osdep.h>
25#include <xmit_osdep.h>
26#include <hal_intf.h>
27#include <rtw_version.h>
28#include <linux/usb.h>
29#include <osdep_intf.h>
30
31#include <usb_vendor_req.h>
32#include <usb_ops.h>
33#include <usb_osintf.h>
34#include <usb_hal.h>
35#include <rtw_ioctl.h>
36
37int ui_pid[3] = {0, 0, 0};
38
39static int rtw_suspend(struct usb_interface *intf, pm_message_t message);
40static int rtw_resume(struct usb_interface *intf);
41
42
43static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid);
44static void rtw_dev_remove(struct usb_interface *pusb_intf);
45
46
47#define USB_VENDER_ID_REALTEK 0x0bda
48
49/* DID_USB_v916_20130116 */
50static struct usb_device_id rtw_usb_id_tbl[] = {
51 /*=== Realtek demoboard ===*/
52 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
53 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
54 /*=== Customer ID ===*/
55 /****** 8188EUS ********/
08951f10 56 {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
df3f4edc 57 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
260ea9c2 58 {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
c2478d39
LF		 59 {} /* Terminating entry */
60};
61
62MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
63
64static struct specific_device_id specific_device_id_tbl[] = {
65 {} /* empty table for now */
66};
67
68struct rtw_usb_drv {
69 struct usb_driver usbdrv;
70 int drv_registered;
71 struct mutex hw_init_mutex;
72};
73
74static struct rtw_usb_drv rtl8188e_usb_drv = {
782872bf 75 .usbdrv.name = "r8188eu",
c2478d39
LF		 76 .usbdrv.probe = rtw_drv_init,
77 .usbdrv.disconnect = rtw_dev_remove,
78 .usbdrv.id_table = rtw_usb_id_tbl,
79 .usbdrv.suspend = rtw_suspend,
80 .usbdrv.resume = rtw_resume,
81 .usbdrv.reset_resume = rtw_resume,
82};
83
84static struct rtw_usb_drv *usb_drv = &rtl8188e_usb_drv;
85
86static inline int RT_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
87{
88 return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN;
89}
90
91static inline int RT_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
92{
93 return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
94}
95
96static inline int RT_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
97{
98 return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT;
99}
100
101static inline int RT_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
102{
103 return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK;
104}
105
106static inline int RT_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
107{
108 return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_in(epd);
109}
110
111static inline int RT_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
112{
113 return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_out(epd);
114}
115
116static inline int usb_endpoint_is_int(const struct usb_endpoint_descriptor *epd)
117{
118 return RT_usb_endpoint_xfer_int(epd) && RT_usb_endpoint_dir_in(epd);
119}
120
121static inline int RT_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
122{
123 return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
124}
125
126static u8 rtw_init_intf_priv(struct dvobj_priv *dvobj)
127{
128 u8 rst = _SUCCESS;
129
2ca4ab53 130 mutex_init(&dvobj->usb_vendor_req_mutex);
c2478d39
LF		 131
132 dvobj->usb_alloc_vendor_req_buf = rtw_zmalloc(MAX_USB_IO_CTL_SIZE);
133 if (dvobj->usb_alloc_vendor_req_buf == NULL) {
134 DBG_88E("alloc usb_vendor_req_buf failed... /n");
135 rst = _FAIL;
136 goto exit;
137 }
138 dvobj->usb_vendor_req_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(dvobj->usb_alloc_vendor_req_buf), ALIGNMENT_UNIT);
139exit:
140 return rst;
141}
142
143static u8 rtw_deinit_intf_priv(struct dvobj_priv *dvobj)
144{
145 u8 rst = _SUCCESS;
146
147 kfree(dvobj->usb_alloc_vendor_req_buf);
4b33d52a 148 mutex_destroy(&dvobj->usb_vendor_req_mutex);
c2478d39
LF		 149 return rst;
150}
151
152static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
153{
154 int i;
155 int status = _FAIL;
156 struct dvobj_priv *pdvobjpriv;
157 struct usb_host_config *phost_conf;
158 struct usb_config_descriptor *pconf_desc;
159 struct usb_host_interface *phost_iface;
160 struct usb_interface_descriptor *piface_desc;
161 struct usb_host_endpoint *phost_endp;
162 struct usb_endpoint_descriptor *pendp_desc;
163 struct usb_device *pusbd;
164
165_func_enter_;
166
167 pdvobjpriv = (struct dvobj_priv *)rtw_zmalloc(sizeof(*pdvobjpriv));
168 if (pdvobjpriv == NULL)
169 goto exit;
170
171 pdvobjpriv->pusbintf = usb_intf;
172 pusbd = interface_to_usbdev(usb_intf);
173 pdvobjpriv->pusbdev = pusbd;
174 usb_set_intfdata(usb_intf, pdvobjpriv);
175
176 pdvobjpriv->RtNumInPipes = 0;
177 pdvobjpriv->RtNumOutPipes = 0;
178
179 phost_conf = pusbd->actconfig;
180 pconf_desc = &phost_conf->desc;
181
182 phost_iface = &usb_intf->altsetting[0];
183 piface_desc = &phost_iface->desc;
184
185 pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
186 pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
187 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
188
189 for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
190 phost_endp = phost_iface->endpoint + i;
191 if (phost_endp) {
192 pendp_desc = &phost_endp->desc;
193
194 DBG_88E("\nusb_endpoint_descriptor(%d):\n", i);
195 DBG_88E("bLength=%x\n", pendp_desc->bLength);
196 DBG_88E("bDescriptorType=%x\n",
197 pendp_desc->bDescriptorType);
198 DBG_88E("bEndpointAddress=%x\n",
199 pendp_desc->bEndpointAddress);
200 DBG_88E("wMaxPacketSize=%d\n",
201 le16_to_cpu(pendp_desc->wMaxPacketSize));
202 DBG_88E("bInterval=%x\n", pendp_desc->bInterval);
203
204 if (RT_usb_endpoint_is_bulk_in(pendp_desc)) {
205 DBG_88E("RT_usb_endpoint_is_bulk_in = %x\n",
206 RT_usb_endpoint_num(pendp_desc));
207 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
208 pdvobjpriv->RtNumInPipes++;
209 } else if (usb_endpoint_is_int(pendp_desc)) {
210 DBG_88E("usb_endpoint_is_int = %x, Interval = %x\n",
211 RT_usb_endpoint_num(pendp_desc),
212 pendp_desc->bInterval);
213 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
214 pdvobjpriv->RtNumInPipes++;
215 } else if (RT_usb_endpoint_is_bulk_out(pendp_desc)) {
216 DBG_88E("RT_usb_endpoint_is_bulk_out = %x\n",
217 RT_usb_endpoint_num(pendp_desc));
218 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = RT_usb_endpoint_num(pendp_desc);
219 pdvobjpriv->RtNumOutPipes++;
220 }
221 pdvobjpriv->ep_num[i] = RT_usb_endpoint_num(pendp_desc);
222 }
223 }
224
225 DBG_88E("nr_endpoint=%d, in_num=%d, out_num=%d\n\n",
226 pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes,
227 pdvobjpriv->RtNumOutPipes);
228
229 if (pusbd->speed == USB_SPEED_HIGH) {
230 pdvobjpriv->ishighspeed = true;
231 DBG_88E("USB_SPEED_HIGH\n");
232 } else {
233 pdvobjpriv->ishighspeed = false;
234 DBG_88E("NON USB_SPEED_HIGH\n");
235 }
236
237 if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) {
238 RT_TRACE(_module_os_intfs_c_, _drv_err_,
239 ("\n Can't INIT rtw_init_intf_priv\n"));
240 goto free_dvobj;
241 }
242
243 /* 3 misc */
efbef100 244 sema_init(&(pdvobjpriv->usb_suspend_sema), 0);
c2478d39
LF		 245 rtw_reset_continual_urb_error(pdvobjpriv);
246
247 usb_get_dev(pusbd);
248
249 status = _SUCCESS;
250
251free_dvobj:
252 if (status != _SUCCESS && pdvobjpriv) {
253 usb_set_intfdata(usb_intf, NULL);
254 kfree(pdvobjpriv);
255 pdvobjpriv = NULL;
256 }
257exit:
258_func_exit_;
259 return pdvobjpriv;
260}
261
262static void usb_dvobj_deinit(struct usb_interface *usb_intf)
263{
264 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
265
266_func_enter_;
267
268 usb_set_intfdata(usb_intf, NULL);
269 if (dvobj) {
270 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
271 if ((dvobj->NumInterfaces != 2 &&
272 dvobj->NumInterfaces != 3) ||
273 (dvobj->InterfaceNumber == 1)) {
274 if (interface_to_usbdev(usb_intf)->state !=
275 USB_STATE_NOTATTACHED) {
276 /* If we didn't unplug usb dongle and
277 * remove/insert module, driver fails
278 * on sitesurvey for the first time when
279 * device is up . Reset usb port for sitesurvey
280 * fail issue. */
281 DBG_88E("usb attached..., try to reset usb device\n");
282 usb_reset_device(interface_to_usbdev(usb_intf));
283 }
284 }
285 rtw_deinit_intf_priv(dvobj);
286 kfree(dvobj);
287 }
288
289 usb_put_dev(interface_to_usbdev(usb_intf));
290
291_func_exit_;
292}
293
294static void chip_by_usb_id(struct adapter *padapter,
295 const struct usb_device_id *pdid)
296{
297 padapter->chip_type = NULL_CHIP_TYPE;
298 hal_set_hw_type(padapter);
299}
300
301static void usb_intf_start(struct adapter *padapter)
302{
303 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
304
305 rtw_hal_inirp_init(padapter);
306
307 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
308}
309
310static void usb_intf_stop(struct adapter *padapter)
311{
312 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
313
314 /* disabel_hw_interrupt */
315 if (!padapter->bSurpriseRemoved) {
316 /* device still exists, so driver can do i/o operation */
317 /* TODO: */
318 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
319 ("SurpriseRemoved == false\n"));
320 }
321
322 /* cancel in irp */
323 rtw_hal_inirp_deinit(padapter);
324
325 /* cancel out irp */
326 rtw_write_port_cancel(padapter);
327
328 /* todo:cancel other irps */
329
330 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
331}
332
333static void rtw_dev_unload(struct adapter *padapter)
334{
335 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
336
337 if (padapter->bup) {
338 DBG_88E("===> rtw_dev_unload\n");
339 padapter->bDriverStopped = true;
340 if (padapter->xmitpriv.ack_tx)
341 rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
342 /* s3. */
343 if (padapter->intf_stop)
344 padapter->intf_stop(padapter);
345 /* s4. */
346 if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
347 rtw_stop_drv_threads(padapter);
348
349 /* s5. */
350 if (!padapter->bSurpriseRemoved) {
351 rtw_hal_deinit(padapter);
352 padapter->bSurpriseRemoved = true;
353 }
354
355 padapter->bup = false;
356 } else {
357 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
358 ("r871x_dev_unload():padapter->bup == false\n"));
359 }
360
361 DBG_88E("<=== rtw_dev_unload\n");
362
363 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
364}
365
366static void process_spec_devid(const struct usb_device_id *pdid)
367{
368 u16 vid, pid;
369 u32 flags;
370 int i;
371 int num = sizeof(specific_device_id_tbl) /
372 sizeof(struct specific_device_id);
373
374 for (i = 0; i < num; i++) {
375 vid = specific_device_id_tbl[i].idVendor;
376 pid = specific_device_id_tbl[i].idProduct;
377 flags = specific_device_id_tbl[i].flags;
378
379 if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
380 (flags&SPEC_DEV_ID_DISABLE_HT)) {
381 rtw_ht_enable = 0;
382 rtw_cbw40_enable = 0;
383 rtw_ampdu_enable = 0;
384 }
385 }
386}
387
388int rtw_hw_suspend(struct adapter *padapter)
389{
390 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
391 struct net_device *pnetdev = padapter->pnetdev;
392
393 _func_enter_;
394
395 if ((!padapter->bup) || (padapter->bDriverStopped) ||
396 (padapter->bSurpriseRemoved)) {
397 DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
398 padapter->bup, padapter->bDriverStopped,
399 padapter->bSurpriseRemoved);
400 goto error_exit;
401 }
402
403 if (padapter) { /* system suspend */
404 LeaveAllPowerSaveMode(padapter);
405
406 DBG_88E("==> rtw_hw_suspend\n");
407 _enter_pwrlock(&pwrpriv->lock);
408 pwrpriv->bips_processing = true;
409 /* s1. */
410 if (pnetdev) {
411 netif_carrier_off(pnetdev);
412 rtw_netif_stop_queue(pnetdev);
413 }
414
415 /* s2. */
416 rtw_disassoc_cmd(padapter, 500, false);
417
418 /* s2-2. indicate disconnect to os */
419 {
420 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
421
422 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
423 _clr_fwstate_(pmlmepriv, _FW_LINKED);
424
425 rtw_led_control(padapter, LED_CTL_NO_LINK);
426
427 rtw_os_indicate_disconnect(padapter);
428
429 /* donnot enqueue cmd */
430 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
431 }
432 }
433 /* s2-3. */
434 rtw_free_assoc_resources(padapter, 1);
435
436 /* s2-4. */
437 rtw_free_network_queue(padapter, true);
438 rtw_ips_dev_unload(padapter);
439 pwrpriv->rf_pwrstate = rf_off;
440 pwrpriv->bips_processing = false;
441
442 _exit_pwrlock(&pwrpriv->lock);
443 } else {
444 goto error_exit;
445 }
446 _func_exit_;
447 return 0;
448
449error_exit:
450 DBG_88E("%s, failed\n", __func__);
451 return -1;
452}
453
454int rtw_hw_resume(struct adapter *padapter)
455{
456 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
457 struct net_device *pnetdev = padapter->pnetdev;
458
459 _func_enter_;
460
461 if (padapter) { /* system resume */
462 DBG_88E("==> rtw_hw_resume\n");
463 _enter_pwrlock(&pwrpriv->lock);
464 pwrpriv->bips_processing = true;
465 rtw_reset_drv_sw(padapter);
466
467 if (pm_netdev_open(pnetdev, false) != 0) {
468 _exit_pwrlock(&pwrpriv->lock);
469 goto error_exit;
470 }
471
472 netif_device_attach(pnetdev);
473 netif_carrier_on(pnetdev);
474
475 if (!netif_queue_stopped(pnetdev))
476 netif_start_queue(pnetdev);
477 else
478 netif_wake_queue(pnetdev);
479
480 pwrpriv->bkeepfwalive = false;
481 pwrpriv->brfoffbyhw = false;
482
483 pwrpriv->rf_pwrstate = rf_on;
484 pwrpriv->bips_processing = false;
485
486 _exit_pwrlock(&pwrpriv->lock);
487 } else {
488 goto error_exit;
489 }
490
491 _func_exit_;
492
493 return 0;
494error_exit:
495 DBG_88E("%s, Open net dev failed\n", __func__);
496 return -1;
497}
498
499static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
500{
501 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
502 struct adapter *padapter = dvobj->if1;
503 struct net_device *pnetdev = padapter->pnetdev;
504 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
505 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
506
507 int ret = 0;
c01fb496 508 u32 start_time = jiffies;
c2478d39
LF		 509
510 _func_enter_;
511
512 DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
513
514 if ((!padapter->bup) || (padapter->bDriverStopped) ||
515 (padapter->bSurpriseRemoved)) {
516 DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
517 padapter->bup, padapter->bDriverStopped,
518 padapter->bSurpriseRemoved);
519 goto exit;
520 }
521
522 pwrpriv->bInSuspend = true;
523 rtw_cancel_all_timer(padapter);
524 LeaveAllPowerSaveMode(padapter);
525
526 _enter_pwrlock(&pwrpriv->lock);
527 /* s1. */
528 if (pnetdev) {
529 netif_carrier_off(pnetdev);
530 rtw_netif_stop_queue(pnetdev);
531 }
532
533 /* s2. */
534 rtw_disassoc_cmd(padapter, 0, false);
535
536 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
537 check_fwstate(pmlmepriv, _FW_LINKED)) {
538 DBG_88E("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
539 __func__, __LINE__,
540 pmlmepriv->cur_network.network.Ssid.Ssid,
541 pmlmepriv->cur_network.network.MacAddress,
542 pmlmepriv->cur_network.network.Ssid.SsidLength,
543 pmlmepriv->assoc_ssid.SsidLength);
544
545 pmlmepriv->to_roaming = 1;
546 }
547 /* s2-2. indicate disconnect to os */
548 rtw_indicate_disconnect(padapter);
549 /* s2-3. */
550 rtw_free_assoc_resources(padapter, 1);
551 /* s2-4. */
552 rtw_free_network_queue(padapter, true);
553
554 rtw_dev_unload(padapter);
555 _exit_pwrlock(&pwrpriv->lock);
556
557 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
558 rtw_indicate_scan_done(padapter, 1);
559
560 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
561 rtw_indicate_disconnect(padapter);
562
563exit:
564 DBG_88E("<=== %s return %d.............. in %dms\n", __func__
565 , ret, rtw_get_passing_time_ms(start_time));
566
567 _func_exit_;
568 return ret;
569}
570
571static int rtw_resume(struct usb_interface *pusb_intf)
572{
573 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
574 struct adapter *padapter = dvobj->if1;
575 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
576 int ret = 0;
577
578 if (pwrpriv->bInternalAutoSuspend)
579 ret = rtw_resume_process(padapter);
580 else
581 ret = rtw_resume_process(padapter);
582 return ret;
583}
584
585int rtw_resume_process(struct adapter *padapter)
586{
587 struct net_device *pnetdev;
588 struct pwrctrl_priv *pwrpriv = NULL;
589 int ret = -1;
c01fb496 590 u32 start_time = jiffies;
c2478d39
LF		 591 _func_enter_;
592
593 DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
594
595 if (padapter) {
596 pnetdev = padapter->pnetdev;
597 pwrpriv = &padapter->pwrctrlpriv;
598 } else {
599 goto exit;
600 }
601
602 _enter_pwrlock(&pwrpriv->lock);
603 rtw_reset_drv_sw(padapter);
604 if (pwrpriv)
605 pwrpriv->bkeepfwalive = false;
606
607 DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
608 if (pm_netdev_open(pnetdev, true) != 0)
609 goto exit;
610
611 netif_device_attach(pnetdev);
612 netif_carrier_on(pnetdev);
613
614 _exit_pwrlock(&pwrpriv->lock);
615
616 if (padapter->pid[1] != 0) {
617 DBG_88E("pid[1]:%d\n", padapter->pid[1]);
618 rtw_signal_process(padapter->pid[1], SIGUSR2);
619 }
620
621 rtw_roaming(padapter, NULL);
622
623 ret = 0;
624exit:
625 if (pwrpriv)
626 pwrpriv->bInSuspend = false;
627 DBG_88E("<=== %s return %d.............. in %dms\n", __func__,
628 ret, rtw_get_passing_time_ms(start_time));
629
630 _func_exit_;
631
632 return ret;
633}
634
635/*
636 * drv_init() - a device potentially for us
637 *
638 * notes: drv_init() is called when the bus driver has located
639 * a card for us to support.
640 * We accept the new device by returning 0.
641 */
642
643static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
644 struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
645{
646 struct adapter *padapter = NULL;
647 struct net_device *pnetdev = NULL;
648 int status = _FAIL;
649
650 padapter = (struct adapter *)rtw_zvmalloc(sizeof(*padapter));
651 if (padapter == NULL)
652 goto exit;
653 padapter->dvobj = dvobj;
654 dvobj->if1 = padapter;
655
656 padapter->bDriverStopped = true;
657
658 padapter->hw_init_mutex = &usb_drv->hw_init_mutex;
659
660 /* step 1-1., decide the chip_type via vid/pid */
c2478d39
LF		 661 chip_by_usb_id(padapter, pdid);
662
663 if (rtw_handle_dualmac(padapter, 1) != _SUCCESS)
664 goto free_adapter;
665
666 pnetdev = rtw_init_netdev(padapter);
667 if (pnetdev == NULL)
668 goto handle_dualmac;
669 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
670 padapter = rtw_netdev_priv(pnetdev);
671
672 /* step 2. hook HalFunc, allocate HalData */
673 hal_set_hal_ops(padapter);
674
675 padapter->intf_start = &usb_intf_start;
676 padapter->intf_stop = &usb_intf_stop;
677
678 /* step init_io_priv */
679 rtw_init_io_priv(padapter, usb_set_intf_ops);
680
681 /* step read_chip_version */
682 rtw_hal_read_chip_version(padapter);
683
684 /* step usb endpoint mapping */
685 rtw_hal_chip_configure(padapter);
686
687 /* step read efuse/eeprom data and get mac_addr */
688 rtw_hal_read_chip_info(padapter);
689
690 /* step 5. */
691 if (rtw_init_drv_sw(padapter) == _FAIL) {
692 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
693 ("Initialize driver software resource Failed!\n"));
694 goto free_hal_data;
695 }
696
697#ifdef CONFIG_PM
698 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
699 dvobj->pusbdev->do_remote_wakeup = 1;
700 pusb_intf->needs_remote_wakeup = 1;
701 device_init_wakeup(&pusb_intf->dev, 1);
702 DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
703 DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
704 device_may_wakeup(&pusb_intf->dev));
705 }
706#endif
707
708 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
709 * suspend influence */
710 if (usb_autopm_get_interface(pusb_intf) < 0)
711 DBG_88E("can't get autopm:\n");
712
713 /* alloc dev name after read efuse. */
714 rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
715 rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
716#ifdef CONFIG_88EU_P2P
717 rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr,
718 padapter->eeprompriv.mac_addr);
719#endif
720 memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
721 DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n",
722 pnetdev->dev_addr);
723
724 /* step 6. Tell the network stack we exist */
725 if (register_netdev(pnetdev) != 0) {
726 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
727 goto free_hal_data;
728 }
729
730 DBG_88E("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
731 , padapter->bDriverStopped
732 , padapter->bSurpriseRemoved
733 , padapter->bup
734 , padapter->hw_init_completed
735 );
736
737 status = _SUCCESS;
738
739free_hal_data:
dc2f9db9 740 if (status != _SUCCESS)
c2478d39
LF		 741 kfree(padapter->HalData);
742handle_dualmac:
743 if (status != _SUCCESS)
744 rtw_handle_dualmac(padapter, 0);
745free_adapter:
746 if (status != _SUCCESS) {
747 if (pnetdev)
748 rtw_free_netdev(pnetdev);
749 else if (padapter)
750 rtw_vmfree((u8 *)padapter, sizeof(*padapter));
751 padapter = NULL;
752 }
753exit:
754 return padapter;
755}
756
757static void rtw_usb_if1_deinit(struct adapter *if1)
758{
759 struct net_device *pnetdev = if1->pnetdev;
760 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
761
762 if (check_fwstate(pmlmepriv, _FW_LINKED))
763 rtw_disassoc_cmd(if1, 0, false);
764
765#ifdef CONFIG_88EU_AP_MODE
766 free_mlme_ap_info(if1);
767#endif
768
769 if (if1->DriverState != DRIVER_DISAPPEAR) {
770 if (pnetdev) {
771 /* will call netdev_close() */
772 unregister_netdev(pnetdev);
773 rtw_proc_remove_one(pnetdev);
774 }
775 }
776 rtw_cancel_all_timer(if1);
777
778 rtw_dev_unload(if1);
779 DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n",
780 if1->hw_init_completed);
781 rtw_handle_dualmac(if1, 0);
782 rtw_free_drv_sw(if1);
783 if (pnetdev)
784 rtw_free_netdev(pnetdev);
785}
786
787static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
788{
789 struct adapter *if1 = NULL;
790 int status;
791 struct dvobj_priv *dvobj;
792
793 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
794
795 /* step 0. */
796 process_spec_devid(pdid);
797
798 /* Initialize dvobj_priv */
799 dvobj = usb_dvobj_init(pusb_intf);
800 if (dvobj == NULL) {
801 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
802 ("initialize device object priv Failed!\n"));
803 goto exit;
804 }
805
806 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
807 if (if1 == NULL) {
808 DBG_88E("rtw_init_primarystruct adapter Failed!\n");
809 goto free_dvobj;
810 }
811
812 if (ui_pid[1] != 0) {
813 DBG_88E("ui_pid[1]:%d\n", ui_pid[1]);
814 rtw_signal_process(ui_pid[1], SIGUSR2);
815 }
816
817 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
818
819 status = _SUCCESS;
820
821 if (status != _SUCCESS && if1)
822 rtw_usb_if1_deinit(if1);
823free_dvobj:
824 if (status != _SUCCESS)
825 usb_dvobj_deinit(pusb_intf);
826exit:
827 return status == _SUCCESS ? 0 : -ENODEV;
828}
829
830/*
831 * dev_remove() - our device is being removed
832*/
833/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
834static void rtw_dev_remove(struct usb_interface *pusb_intf)
835{
836 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
837 struct adapter *padapter = dvobj->if1;
838
839_func_enter_;
840
841 DBG_88E("+rtw_dev_remove\n");
842 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
843
844 if (usb_drv->drv_registered)
845 padapter->bSurpriseRemoved = true;
846
847 rtw_pm_set_ips(padapter, IPS_NONE);
848 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
849
850 LeaveAllPowerSaveMode(padapter);
851
852 rtw_usb_if1_deinit(padapter);
853
854 usb_dvobj_deinit(pusb_intf);
855
856 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
857 DBG_88E("-r871xu_dev_remove, done\n");
858_func_exit_;
859
860 return;
861}
862
863static int __init rtw_drv_entry(void)
864{
865 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_entry\n"));
866
867 DBG_88E(DRV_NAME " driver version=%s\n", DRIVERVERSION);
c2478d39 868
2ca4ab53 869 mutex_init(&usb_drv->hw_init_mutex);
c2478d39
LF		 870
871 usb_drv->drv_registered = true;
872 return usb_register(&usb_drv->usbdrv);
873}
874
875static void __exit rtw_drv_halt(void)
876{
877 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_halt\n"));
878 DBG_88E("+rtw_drv_halt\n");
879
c2478d39
LF		 880 usb_drv->drv_registered = false;
881 usb_deregister(&usb_drv->usbdrv);
882
4b33d52a 883 mutex_destroy(&usb_drv->hw_init_mutex);
c2478d39
LF		 884 DBG_88E("-rtw_drv_halt\n");
885}
886
887module_init(rtw_drv_entry);
888module_exit(rtw_drv_halt);
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