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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 | ||
37 | int ui_pid[3] = {0, 0, 0}; | |
38 | ||
39 | static int rtw_suspend(struct usb_interface *intf, pm_message_t message); | |
40 | static int rtw_resume(struct usb_interface *intf); | |
41 | ||
42 | ||
43 | static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid); | |
44 | static void rtw_dev_remove(struct usb_interface *pusb_intf); | |
45 | ||
46 | ||
47 | #define USB_VENDER_ID_REALTEK 0x0bda | |
48 | ||
49 | /* DID_USB_v916_20130116 */ | |
50 | static 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 */ |
c2478d39 LF |
58 | {} /* Terminating entry */ |
59 | }; | |
60 | ||
61 | MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl); | |
62 | ||
63 | static struct specific_device_id specific_device_id_tbl[] = { | |
64 | {} /* empty table for now */ | |
65 | }; | |
66 | ||
67 | struct rtw_usb_drv { | |
68 | struct usb_driver usbdrv; | |
69 | int drv_registered; | |
70 | struct mutex hw_init_mutex; | |
71 | }; | |
72 | ||
73 | static struct rtw_usb_drv rtl8188e_usb_drv = { | |
782872bf | 74 | .usbdrv.name = "r8188eu", |
c2478d39 LF |
75 | .usbdrv.probe = rtw_drv_init, |
76 | .usbdrv.disconnect = rtw_dev_remove, | |
77 | .usbdrv.id_table = rtw_usb_id_tbl, | |
78 | .usbdrv.suspend = rtw_suspend, | |
79 | .usbdrv.resume = rtw_resume, | |
80 | .usbdrv.reset_resume = rtw_resume, | |
81 | }; | |
82 | ||
83 | static struct rtw_usb_drv *usb_drv = &rtl8188e_usb_drv; | |
84 | ||
85 | static inline int RT_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) | |
86 | { | |
87 | return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN; | |
88 | } | |
89 | ||
90 | static inline int RT_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd) | |
91 | { | |
92 | return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT; | |
93 | } | |
94 | ||
95 | static inline int RT_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd) | |
96 | { | |
97 | return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT; | |
98 | } | |
99 | ||
100 | static inline int RT_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd) | |
101 | { | |
102 | return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK; | |
103 | } | |
104 | ||
105 | static inline int RT_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd) | |
106 | { | |
107 | return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_in(epd); | |
108 | } | |
109 | ||
110 | static inline int RT_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd) | |
111 | { | |
112 | return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_out(epd); | |
113 | } | |
114 | ||
115 | static inline int usb_endpoint_is_int(const struct usb_endpoint_descriptor *epd) | |
116 | { | |
117 | return RT_usb_endpoint_xfer_int(epd) && RT_usb_endpoint_dir_in(epd); | |
118 | } | |
119 | ||
120 | static inline int RT_usb_endpoint_num(const struct usb_endpoint_descriptor *epd) | |
121 | { | |
122 | return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
123 | } | |
124 | ||
125 | static u8 rtw_init_intf_priv(struct dvobj_priv *dvobj) | |
126 | { | |
127 | u8 rst = _SUCCESS; | |
128 | ||
2ca4ab53 | 129 | mutex_init(&dvobj->usb_vendor_req_mutex); |
c2478d39 LF |
130 | |
131 | dvobj->usb_alloc_vendor_req_buf = rtw_zmalloc(MAX_USB_IO_CTL_SIZE); | |
132 | if (dvobj->usb_alloc_vendor_req_buf == NULL) { | |
133 | DBG_88E("alloc usb_vendor_req_buf failed... /n"); | |
134 | rst = _FAIL; | |
135 | goto exit; | |
136 | } | |
137 | dvobj->usb_vendor_req_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(dvobj->usb_alloc_vendor_req_buf), ALIGNMENT_UNIT); | |
138 | exit: | |
139 | return rst; | |
140 | } | |
141 | ||
142 | static u8 rtw_deinit_intf_priv(struct dvobj_priv *dvobj) | |
143 | { | |
144 | u8 rst = _SUCCESS; | |
145 | ||
146 | kfree(dvobj->usb_alloc_vendor_req_buf); | |
4b33d52a | 147 | mutex_destroy(&dvobj->usb_vendor_req_mutex); |
c2478d39 LF |
148 | return rst; |
149 | } | |
150 | ||
151 | static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf) | |
152 | { | |
153 | int i; | |
154 | int status = _FAIL; | |
155 | struct dvobj_priv *pdvobjpriv; | |
156 | struct usb_host_config *phost_conf; | |
157 | struct usb_config_descriptor *pconf_desc; | |
158 | struct usb_host_interface *phost_iface; | |
159 | struct usb_interface_descriptor *piface_desc; | |
160 | struct usb_host_endpoint *phost_endp; | |
161 | struct usb_endpoint_descriptor *pendp_desc; | |
162 | struct usb_device *pusbd; | |
163 | ||
164 | _func_enter_; | |
165 | ||
166 | pdvobjpriv = (struct dvobj_priv *)rtw_zmalloc(sizeof(*pdvobjpriv)); | |
167 | if (pdvobjpriv == NULL) | |
168 | goto exit; | |
169 | ||
170 | pdvobjpriv->pusbintf = usb_intf; | |
171 | pusbd = interface_to_usbdev(usb_intf); | |
172 | pdvobjpriv->pusbdev = pusbd; | |
173 | usb_set_intfdata(usb_intf, pdvobjpriv); | |
174 | ||
175 | pdvobjpriv->RtNumInPipes = 0; | |
176 | pdvobjpriv->RtNumOutPipes = 0; | |
177 | ||
178 | phost_conf = pusbd->actconfig; | |
179 | pconf_desc = &phost_conf->desc; | |
180 | ||
181 | phost_iface = &usb_intf->altsetting[0]; | |
182 | piface_desc = &phost_iface->desc; | |
183 | ||
184 | pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces; | |
185 | pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber; | |
186 | pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints; | |
187 | ||
188 | for (i = 0; i < pdvobjpriv->nr_endpoint; i++) { | |
189 | phost_endp = phost_iface->endpoint + i; | |
190 | if (phost_endp) { | |
191 | pendp_desc = &phost_endp->desc; | |
192 | ||
193 | DBG_88E("\nusb_endpoint_descriptor(%d):\n", i); | |
194 | DBG_88E("bLength=%x\n", pendp_desc->bLength); | |
195 | DBG_88E("bDescriptorType=%x\n", | |
196 | pendp_desc->bDescriptorType); | |
197 | DBG_88E("bEndpointAddress=%x\n", | |
198 | pendp_desc->bEndpointAddress); | |
199 | DBG_88E("wMaxPacketSize=%d\n", | |
200 | le16_to_cpu(pendp_desc->wMaxPacketSize)); | |
201 | DBG_88E("bInterval=%x\n", pendp_desc->bInterval); | |
202 | ||
203 | if (RT_usb_endpoint_is_bulk_in(pendp_desc)) { | |
204 | DBG_88E("RT_usb_endpoint_is_bulk_in = %x\n", | |
205 | RT_usb_endpoint_num(pendp_desc)); | |
206 | pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc); | |
207 | pdvobjpriv->RtNumInPipes++; | |
208 | } else if (usb_endpoint_is_int(pendp_desc)) { | |
209 | DBG_88E("usb_endpoint_is_int = %x, Interval = %x\n", | |
210 | RT_usb_endpoint_num(pendp_desc), | |
211 | pendp_desc->bInterval); | |
212 | pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc); | |
213 | pdvobjpriv->RtNumInPipes++; | |
214 | } else if (RT_usb_endpoint_is_bulk_out(pendp_desc)) { | |
215 | DBG_88E("RT_usb_endpoint_is_bulk_out = %x\n", | |
216 | RT_usb_endpoint_num(pendp_desc)); | |
217 | pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = RT_usb_endpoint_num(pendp_desc); | |
218 | pdvobjpriv->RtNumOutPipes++; | |
219 | } | |
220 | pdvobjpriv->ep_num[i] = RT_usb_endpoint_num(pendp_desc); | |
221 | } | |
222 | } | |
223 | ||
224 | DBG_88E("nr_endpoint=%d, in_num=%d, out_num=%d\n\n", | |
225 | pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes, | |
226 | pdvobjpriv->RtNumOutPipes); | |
227 | ||
228 | if (pusbd->speed == USB_SPEED_HIGH) { | |
229 | pdvobjpriv->ishighspeed = true; | |
230 | DBG_88E("USB_SPEED_HIGH\n"); | |
231 | } else { | |
232 | pdvobjpriv->ishighspeed = false; | |
233 | DBG_88E("NON USB_SPEED_HIGH\n"); | |
234 | } | |
235 | ||
236 | if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) { | |
237 | RT_TRACE(_module_os_intfs_c_, _drv_err_, | |
238 | ("\n Can't INIT rtw_init_intf_priv\n")); | |
239 | goto free_dvobj; | |
240 | } | |
241 | ||
242 | /* 3 misc */ | |
efbef100 | 243 | sema_init(&(pdvobjpriv->usb_suspend_sema), 0); |
c2478d39 LF |
244 | rtw_reset_continual_urb_error(pdvobjpriv); |
245 | ||
246 | usb_get_dev(pusbd); | |
247 | ||
248 | status = _SUCCESS; | |
249 | ||
250 | free_dvobj: | |
251 | if (status != _SUCCESS && pdvobjpriv) { | |
252 | usb_set_intfdata(usb_intf, NULL); | |
253 | kfree(pdvobjpriv); | |
254 | pdvobjpriv = NULL; | |
255 | } | |
256 | exit: | |
257 | _func_exit_; | |
258 | return pdvobjpriv; | |
259 | } | |
260 | ||
261 | static void usb_dvobj_deinit(struct usb_interface *usb_intf) | |
262 | { | |
263 | struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf); | |
264 | ||
265 | _func_enter_; | |
266 | ||
267 | usb_set_intfdata(usb_intf, NULL); | |
268 | if (dvobj) { | |
269 | /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */ | |
270 | if ((dvobj->NumInterfaces != 2 && | |
271 | dvobj->NumInterfaces != 3) || | |
272 | (dvobj->InterfaceNumber == 1)) { | |
273 | if (interface_to_usbdev(usb_intf)->state != | |
274 | USB_STATE_NOTATTACHED) { | |
275 | /* If we didn't unplug usb dongle and | |
276 | * remove/insert module, driver fails | |
277 | * on sitesurvey for the first time when | |
278 | * device is up . Reset usb port for sitesurvey | |
279 | * fail issue. */ | |
280 | DBG_88E("usb attached..., try to reset usb device\n"); | |
281 | usb_reset_device(interface_to_usbdev(usb_intf)); | |
282 | } | |
283 | } | |
284 | rtw_deinit_intf_priv(dvobj); | |
285 | kfree(dvobj); | |
286 | } | |
287 | ||
288 | usb_put_dev(interface_to_usbdev(usb_intf)); | |
289 | ||
290 | _func_exit_; | |
291 | } | |
292 | ||
293 | static void chip_by_usb_id(struct adapter *padapter, | |
294 | const struct usb_device_id *pdid) | |
295 | { | |
296 | padapter->chip_type = NULL_CHIP_TYPE; | |
297 | hal_set_hw_type(padapter); | |
298 | } | |
299 | ||
300 | static void usb_intf_start(struct adapter *padapter) | |
301 | { | |
302 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n")); | |
303 | ||
304 | rtw_hal_inirp_init(padapter); | |
305 | ||
306 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n")); | |
307 | } | |
308 | ||
309 | static void usb_intf_stop(struct adapter *padapter) | |
310 | { | |
311 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n")); | |
312 | ||
313 | /* disabel_hw_interrupt */ | |
314 | if (!padapter->bSurpriseRemoved) { | |
315 | /* device still exists, so driver can do i/o operation */ | |
316 | /* TODO: */ | |
317 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, | |
318 | ("SurpriseRemoved == false\n")); | |
319 | } | |
320 | ||
321 | /* cancel in irp */ | |
322 | rtw_hal_inirp_deinit(padapter); | |
323 | ||
324 | /* cancel out irp */ | |
325 | rtw_write_port_cancel(padapter); | |
326 | ||
327 | /* todo:cancel other irps */ | |
328 | ||
329 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n")); | |
330 | } | |
331 | ||
332 | static void rtw_dev_unload(struct adapter *padapter) | |
333 | { | |
334 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n")); | |
335 | ||
336 | if (padapter->bup) { | |
337 | DBG_88E("===> rtw_dev_unload\n"); | |
338 | padapter->bDriverStopped = true; | |
339 | if (padapter->xmitpriv.ack_tx) | |
340 | rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP); | |
341 | /* s3. */ | |
342 | if (padapter->intf_stop) | |
343 | padapter->intf_stop(padapter); | |
344 | /* s4. */ | |
345 | if (!padapter->pwrctrlpriv.bInternalAutoSuspend) | |
346 | rtw_stop_drv_threads(padapter); | |
347 | ||
348 | /* s5. */ | |
349 | if (!padapter->bSurpriseRemoved) { | |
350 | rtw_hal_deinit(padapter); | |
351 | padapter->bSurpriseRemoved = true; | |
352 | } | |
353 | ||
354 | padapter->bup = false; | |
355 | } else { | |
356 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, | |
357 | ("r871x_dev_unload():padapter->bup == false\n")); | |
358 | } | |
359 | ||
360 | DBG_88E("<=== rtw_dev_unload\n"); | |
361 | ||
362 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n")); | |
363 | } | |
364 | ||
365 | static void process_spec_devid(const struct usb_device_id *pdid) | |
366 | { | |
367 | u16 vid, pid; | |
368 | u32 flags; | |
369 | int i; | |
370 | int num = sizeof(specific_device_id_tbl) / | |
371 | sizeof(struct specific_device_id); | |
372 | ||
373 | for (i = 0; i < num; i++) { | |
374 | vid = specific_device_id_tbl[i].idVendor; | |
375 | pid = specific_device_id_tbl[i].idProduct; | |
376 | flags = specific_device_id_tbl[i].flags; | |
377 | ||
378 | if ((pdid->idVendor == vid) && (pdid->idProduct == pid) && | |
379 | (flags&SPEC_DEV_ID_DISABLE_HT)) { | |
380 | rtw_ht_enable = 0; | |
381 | rtw_cbw40_enable = 0; | |
382 | rtw_ampdu_enable = 0; | |
383 | } | |
384 | } | |
385 | } | |
386 | ||
387 | int rtw_hw_suspend(struct adapter *padapter) | |
388 | { | |
389 | struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; | |
390 | struct net_device *pnetdev = padapter->pnetdev; | |
391 | ||
392 | _func_enter_; | |
393 | ||
394 | if ((!padapter->bup) || (padapter->bDriverStopped) || | |
395 | (padapter->bSurpriseRemoved)) { | |
396 | DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n", | |
397 | padapter->bup, padapter->bDriverStopped, | |
398 | padapter->bSurpriseRemoved); | |
399 | goto error_exit; | |
400 | } | |
401 | ||
402 | if (padapter) { /* system suspend */ | |
403 | LeaveAllPowerSaveMode(padapter); | |
404 | ||
405 | DBG_88E("==> rtw_hw_suspend\n"); | |
406 | _enter_pwrlock(&pwrpriv->lock); | |
407 | pwrpriv->bips_processing = true; | |
408 | /* s1. */ | |
409 | if (pnetdev) { | |
410 | netif_carrier_off(pnetdev); | |
411 | rtw_netif_stop_queue(pnetdev); | |
412 | } | |
413 | ||
414 | /* s2. */ | |
415 | rtw_disassoc_cmd(padapter, 500, false); | |
416 | ||
417 | /* s2-2. indicate disconnect to os */ | |
418 | { | |
419 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
420 | ||
421 | if (check_fwstate(pmlmepriv, _FW_LINKED)) { | |
422 | _clr_fwstate_(pmlmepriv, _FW_LINKED); | |
423 | ||
424 | rtw_led_control(padapter, LED_CTL_NO_LINK); | |
425 | ||
426 | rtw_os_indicate_disconnect(padapter); | |
427 | ||
428 | /* donnot enqueue cmd */ | |
429 | rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0); | |
430 | } | |
431 | } | |
432 | /* s2-3. */ | |
433 | rtw_free_assoc_resources(padapter, 1); | |
434 | ||
435 | /* s2-4. */ | |
436 | rtw_free_network_queue(padapter, true); | |
437 | rtw_ips_dev_unload(padapter); | |
438 | pwrpriv->rf_pwrstate = rf_off; | |
439 | pwrpriv->bips_processing = false; | |
440 | ||
441 | _exit_pwrlock(&pwrpriv->lock); | |
442 | } else { | |
443 | goto error_exit; | |
444 | } | |
445 | _func_exit_; | |
446 | return 0; | |
447 | ||
448 | error_exit: | |
449 | DBG_88E("%s, failed\n", __func__); | |
450 | return -1; | |
451 | } | |
452 | ||
453 | int rtw_hw_resume(struct adapter *padapter) | |
454 | { | |
455 | struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; | |
456 | struct net_device *pnetdev = padapter->pnetdev; | |
457 | ||
458 | _func_enter_; | |
459 | ||
460 | if (padapter) { /* system resume */ | |
461 | DBG_88E("==> rtw_hw_resume\n"); | |
462 | _enter_pwrlock(&pwrpriv->lock); | |
463 | pwrpriv->bips_processing = true; | |
464 | rtw_reset_drv_sw(padapter); | |
465 | ||
466 | if (pm_netdev_open(pnetdev, false) != 0) { | |
467 | _exit_pwrlock(&pwrpriv->lock); | |
468 | goto error_exit; | |
469 | } | |
470 | ||
471 | netif_device_attach(pnetdev); | |
472 | netif_carrier_on(pnetdev); | |
473 | ||
474 | if (!netif_queue_stopped(pnetdev)) | |
475 | netif_start_queue(pnetdev); | |
476 | else | |
477 | netif_wake_queue(pnetdev); | |
478 | ||
479 | pwrpriv->bkeepfwalive = false; | |
480 | pwrpriv->brfoffbyhw = false; | |
481 | ||
482 | pwrpriv->rf_pwrstate = rf_on; | |
483 | pwrpriv->bips_processing = false; | |
484 | ||
485 | _exit_pwrlock(&pwrpriv->lock); | |
486 | } else { | |
487 | goto error_exit; | |
488 | } | |
489 | ||
490 | _func_exit_; | |
491 | ||
492 | return 0; | |
493 | error_exit: | |
494 | DBG_88E("%s, Open net dev failed\n", __func__); | |
495 | return -1; | |
496 | } | |
497 | ||
498 | static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message) | |
499 | { | |
500 | struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf); | |
501 | struct adapter *padapter = dvobj->if1; | |
502 | struct net_device *pnetdev = padapter->pnetdev; | |
503 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
504 | struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; | |
505 | ||
506 | int ret = 0; | |
c01fb496 | 507 | u32 start_time = jiffies; |
c2478d39 LF |
508 | |
509 | _func_enter_; | |
510 | ||
511 | DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid); | |
512 | ||
513 | if ((!padapter->bup) || (padapter->bDriverStopped) || | |
514 | (padapter->bSurpriseRemoved)) { | |
515 | DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n", | |
516 | padapter->bup, padapter->bDriverStopped, | |
517 | padapter->bSurpriseRemoved); | |
518 | goto exit; | |
519 | } | |
520 | ||
521 | pwrpriv->bInSuspend = true; | |
522 | rtw_cancel_all_timer(padapter); | |
523 | LeaveAllPowerSaveMode(padapter); | |
524 | ||
525 | _enter_pwrlock(&pwrpriv->lock); | |
526 | /* s1. */ | |
527 | if (pnetdev) { | |
528 | netif_carrier_off(pnetdev); | |
529 | rtw_netif_stop_queue(pnetdev); | |
530 | } | |
531 | ||
532 | /* s2. */ | |
533 | rtw_disassoc_cmd(padapter, 0, false); | |
534 | ||
535 | if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && | |
536 | check_fwstate(pmlmepriv, _FW_LINKED)) { | |
537 | DBG_88E("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n", | |
538 | __func__, __LINE__, | |
539 | pmlmepriv->cur_network.network.Ssid.Ssid, | |
540 | pmlmepriv->cur_network.network.MacAddress, | |
541 | pmlmepriv->cur_network.network.Ssid.SsidLength, | |
542 | pmlmepriv->assoc_ssid.SsidLength); | |
543 | ||
544 | pmlmepriv->to_roaming = 1; | |
545 | } | |
546 | /* s2-2. indicate disconnect to os */ | |
547 | rtw_indicate_disconnect(padapter); | |
548 | /* s2-3. */ | |
549 | rtw_free_assoc_resources(padapter, 1); | |
550 | /* s2-4. */ | |
551 | rtw_free_network_queue(padapter, true); | |
552 | ||
553 | rtw_dev_unload(padapter); | |
554 | _exit_pwrlock(&pwrpriv->lock); | |
555 | ||
556 | if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) | |
557 | rtw_indicate_scan_done(padapter, 1); | |
558 | ||
559 | if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) | |
560 | rtw_indicate_disconnect(padapter); | |
561 | ||
562 | exit: | |
563 | DBG_88E("<=== %s return %d.............. in %dms\n", __func__ | |
564 | , ret, rtw_get_passing_time_ms(start_time)); | |
565 | ||
566 | _func_exit_; | |
567 | return ret; | |
568 | } | |
569 | ||
570 | static int rtw_resume(struct usb_interface *pusb_intf) | |
571 | { | |
572 | struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf); | |
573 | struct adapter *padapter = dvobj->if1; | |
574 | struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; | |
575 | int ret = 0; | |
576 | ||
577 | if (pwrpriv->bInternalAutoSuspend) | |
578 | ret = rtw_resume_process(padapter); | |
579 | else | |
580 | ret = rtw_resume_process(padapter); | |
581 | return ret; | |
582 | } | |
583 | ||
584 | int rtw_resume_process(struct adapter *padapter) | |
585 | { | |
586 | struct net_device *pnetdev; | |
587 | struct pwrctrl_priv *pwrpriv = NULL; | |
588 | int ret = -1; | |
c01fb496 | 589 | u32 start_time = jiffies; |
c2478d39 LF |
590 | _func_enter_; |
591 | ||
592 | DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid); | |
593 | ||
594 | if (padapter) { | |
595 | pnetdev = padapter->pnetdev; | |
596 | pwrpriv = &padapter->pwrctrlpriv; | |
597 | } else { | |
598 | goto exit; | |
599 | } | |
600 | ||
601 | _enter_pwrlock(&pwrpriv->lock); | |
602 | rtw_reset_drv_sw(padapter); | |
603 | if (pwrpriv) | |
604 | pwrpriv->bkeepfwalive = false; | |
605 | ||
606 | DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive); | |
607 | if (pm_netdev_open(pnetdev, true) != 0) | |
608 | goto exit; | |
609 | ||
610 | netif_device_attach(pnetdev); | |
611 | netif_carrier_on(pnetdev); | |
612 | ||
613 | _exit_pwrlock(&pwrpriv->lock); | |
614 | ||
615 | if (padapter->pid[1] != 0) { | |
616 | DBG_88E("pid[1]:%d\n", padapter->pid[1]); | |
617 | rtw_signal_process(padapter->pid[1], SIGUSR2); | |
618 | } | |
619 | ||
620 | rtw_roaming(padapter, NULL); | |
621 | ||
622 | ret = 0; | |
623 | exit: | |
624 | if (pwrpriv) | |
625 | pwrpriv->bInSuspend = false; | |
626 | DBG_88E("<=== %s return %d.............. in %dms\n", __func__, | |
627 | ret, rtw_get_passing_time_ms(start_time)); | |
628 | ||
629 | _func_exit_; | |
630 | ||
631 | return ret; | |
632 | } | |
633 | ||
634 | /* | |
635 | * drv_init() - a device potentially for us | |
636 | * | |
637 | * notes: drv_init() is called when the bus driver has located | |
638 | * a card for us to support. | |
639 | * We accept the new device by returning 0. | |
640 | */ | |
641 | ||
642 | static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj, | |
643 | struct usb_interface *pusb_intf, const struct usb_device_id *pdid) | |
644 | { | |
645 | struct adapter *padapter = NULL; | |
646 | struct net_device *pnetdev = NULL; | |
647 | int status = _FAIL; | |
648 | ||
2397c6e0 | 649 | padapter = (struct adapter *)vzalloc(sizeof(*padapter)); |
c2478d39 LF |
650 | if (padapter == NULL) |
651 | goto exit; | |
652 | padapter->dvobj = dvobj; | |
653 | dvobj->if1 = padapter; | |
654 | ||
655 | padapter->bDriverStopped = true; | |
656 | ||
657 | padapter->hw_init_mutex = &usb_drv->hw_init_mutex; | |
658 | ||
659 | /* step 1-1., decide the chip_type via vid/pid */ | |
c2478d39 LF |
660 | chip_by_usb_id(padapter, pdid); |
661 | ||
662 | if (rtw_handle_dualmac(padapter, 1) != _SUCCESS) | |
663 | goto free_adapter; | |
664 | ||
665 | pnetdev = rtw_init_netdev(padapter); | |
666 | if (pnetdev == NULL) | |
667 | goto handle_dualmac; | |
668 | SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj)); | |
669 | padapter = rtw_netdev_priv(pnetdev); | |
670 | ||
671 | /* step 2. hook HalFunc, allocate HalData */ | |
672 | hal_set_hal_ops(padapter); | |
673 | ||
674 | padapter->intf_start = &usb_intf_start; | |
675 | padapter->intf_stop = &usb_intf_stop; | |
676 | ||
677 | /* step init_io_priv */ | |
678 | rtw_init_io_priv(padapter, usb_set_intf_ops); | |
679 | ||
680 | /* step read_chip_version */ | |
681 | rtw_hal_read_chip_version(padapter); | |
682 | ||
683 | /* step usb endpoint mapping */ | |
684 | rtw_hal_chip_configure(padapter); | |
685 | ||
686 | /* step read efuse/eeprom data and get mac_addr */ | |
687 | rtw_hal_read_chip_info(padapter); | |
688 | ||
689 | /* step 5. */ | |
690 | if (rtw_init_drv_sw(padapter) == _FAIL) { | |
691 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, | |
692 | ("Initialize driver software resource Failed!\n")); | |
693 | goto free_hal_data; | |
694 | } | |
695 | ||
696 | #ifdef CONFIG_PM | |
697 | if (padapter->pwrctrlpriv.bSupportRemoteWakeup) { | |
698 | dvobj->pusbdev->do_remote_wakeup = 1; | |
699 | pusb_intf->needs_remote_wakeup = 1; | |
700 | device_init_wakeup(&pusb_intf->dev, 1); | |
701 | DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n"); | |
702 | DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n", | |
703 | device_may_wakeup(&pusb_intf->dev)); | |
704 | } | |
705 | #endif | |
706 | ||
707 | /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto | |
708 | * suspend influence */ | |
709 | if (usb_autopm_get_interface(pusb_intf) < 0) | |
710 | DBG_88E("can't get autopm:\n"); | |
711 | ||
712 | /* alloc dev name after read efuse. */ | |
713 | rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname); | |
714 | rtw_macaddr_cfg(padapter->eeprompriv.mac_addr); | |
715 | #ifdef CONFIG_88EU_P2P | |
716 | rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr, | |
717 | padapter->eeprompriv.mac_addr); | |
718 | #endif | |
719 | memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN); | |
720 | DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n", | |
721 | pnetdev->dev_addr); | |
722 | ||
723 | /* step 6. Tell the network stack we exist */ | |
724 | if (register_netdev(pnetdev) != 0) { | |
725 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n")); | |
726 | goto free_hal_data; | |
727 | } | |
728 | ||
729 | DBG_88E("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n" | |
730 | , padapter->bDriverStopped | |
731 | , padapter->bSurpriseRemoved | |
732 | , padapter->bup | |
733 | , padapter->hw_init_completed | |
734 | ); | |
735 | ||
736 | status = _SUCCESS; | |
737 | ||
738 | free_hal_data: | |
dc2f9db9 | 739 | if (status != _SUCCESS) |
c2478d39 LF |
740 | kfree(padapter->HalData); |
741 | handle_dualmac: | |
742 | if (status != _SUCCESS) | |
743 | rtw_handle_dualmac(padapter, 0); | |
744 | free_adapter: | |
745 | if (status != _SUCCESS) { | |
746 | if (pnetdev) | |
747 | rtw_free_netdev(pnetdev); | |
748 | else if (padapter) | |
03bd6aea | 749 | vfree(padapter); |
c2478d39 LF |
750 | padapter = NULL; |
751 | } | |
752 | exit: | |
753 | return padapter; | |
754 | } | |
755 | ||
756 | static void rtw_usb_if1_deinit(struct adapter *if1) | |
757 | { | |
758 | struct net_device *pnetdev = if1->pnetdev; | |
759 | struct mlme_priv *pmlmepriv = &if1->mlmepriv; | |
760 | ||
761 | if (check_fwstate(pmlmepriv, _FW_LINKED)) | |
762 | rtw_disassoc_cmd(if1, 0, false); | |
763 | ||
764 | #ifdef CONFIG_88EU_AP_MODE | |
765 | free_mlme_ap_info(if1); | |
766 | #endif | |
767 | ||
768 | if (if1->DriverState != DRIVER_DISAPPEAR) { | |
769 | if (pnetdev) { | |
770 | /* will call netdev_close() */ | |
771 | unregister_netdev(pnetdev); | |
772 | rtw_proc_remove_one(pnetdev); | |
773 | } | |
774 | } | |
775 | rtw_cancel_all_timer(if1); | |
776 | ||
777 | rtw_dev_unload(if1); | |
778 | DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n", | |
779 | if1->hw_init_completed); | |
780 | rtw_handle_dualmac(if1, 0); | |
781 | rtw_free_drv_sw(if1); | |
782 | if (pnetdev) | |
783 | rtw_free_netdev(pnetdev); | |
784 | } | |
785 | ||
786 | static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid) | |
787 | { | |
788 | struct adapter *if1 = NULL; | |
789 | int status; | |
790 | struct dvobj_priv *dvobj; | |
791 | ||
792 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n")); | |
793 | ||
794 | /* step 0. */ | |
795 | process_spec_devid(pdid); | |
796 | ||
797 | /* Initialize dvobj_priv */ | |
798 | dvobj = usb_dvobj_init(pusb_intf); | |
799 | if (dvobj == NULL) { | |
800 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, | |
801 | ("initialize device object priv Failed!\n")); | |
802 | goto exit; | |
803 | } | |
804 | ||
805 | if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid); | |
806 | if (if1 == NULL) { | |
807 | DBG_88E("rtw_init_primarystruct adapter Failed!\n"); | |
808 | goto free_dvobj; | |
809 | } | |
810 | ||
811 | if (ui_pid[1] != 0) { | |
812 | DBG_88E("ui_pid[1]:%d\n", ui_pid[1]); | |
813 | rtw_signal_process(ui_pid[1], SIGUSR2); | |
814 | } | |
815 | ||
816 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n")); | |
817 | ||
818 | status = _SUCCESS; | |
819 | ||
820 | if (status != _SUCCESS && if1) | |
821 | rtw_usb_if1_deinit(if1); | |
822 | free_dvobj: | |
823 | if (status != _SUCCESS) | |
824 | usb_dvobj_deinit(pusb_intf); | |
825 | exit: | |
826 | return status == _SUCCESS ? 0 : -ENODEV; | |
827 | } | |
828 | ||
829 | /* | |
830 | * dev_remove() - our device is being removed | |
831 | */ | |
832 | /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */ | |
833 | static void rtw_dev_remove(struct usb_interface *pusb_intf) | |
834 | { | |
835 | struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf); | |
836 | struct adapter *padapter = dvobj->if1; | |
837 | ||
838 | _func_enter_; | |
839 | ||
840 | DBG_88E("+rtw_dev_remove\n"); | |
841 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n")); | |
842 | ||
843 | if (usb_drv->drv_registered) | |
844 | padapter->bSurpriseRemoved = true; | |
845 | ||
846 | rtw_pm_set_ips(padapter, IPS_NONE); | |
847 | rtw_pm_set_lps(padapter, PS_MODE_ACTIVE); | |
848 | ||
849 | LeaveAllPowerSaveMode(padapter); | |
850 | ||
851 | rtw_usb_if1_deinit(padapter); | |
852 | ||
853 | usb_dvobj_deinit(pusb_intf); | |
854 | ||
855 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n")); | |
856 | DBG_88E("-r871xu_dev_remove, done\n"); | |
857 | _func_exit_; | |
858 | ||
859 | return; | |
860 | } | |
861 | ||
862 | static int __init rtw_drv_entry(void) | |
863 | { | |
864 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_entry\n")); | |
865 | ||
866 | DBG_88E(DRV_NAME " driver version=%s\n", DRIVERVERSION); | |
c2478d39 | 867 | |
2ca4ab53 | 868 | mutex_init(&usb_drv->hw_init_mutex); |
c2478d39 LF |
869 | |
870 | usb_drv->drv_registered = true; | |
871 | return usb_register(&usb_drv->usbdrv); | |
872 | } | |
873 | ||
874 | static void __exit rtw_drv_halt(void) | |
875 | { | |
876 | RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_halt\n")); | |
877 | DBG_88E("+rtw_drv_halt\n"); | |
878 | ||
c2478d39 LF |
879 | usb_drv->drv_registered = false; |
880 | usb_deregister(&usb_drv->usbdrv); | |
881 | ||
4b33d52a | 882 | mutex_destroy(&usb_drv->hw_init_mutex); |
c2478d39 LF |
883 | DBG_88E("-rtw_drv_halt\n"); |
884 | } | |
885 | ||
886 | module_init(rtw_drv_entry); | |
887 | module_exit(rtw_drv_halt); |