1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
14 ******************************************************************************/
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <recv_osdep.h>
20 #include <xmit_osdep.h>
22 #include <rtw_version.h>
23 #include <osdep_intf.h>
25 #include <rtl8723a_hal.h>
27 static int rtw_suspend(struct usb_interface *intf, pm_message_t message);
28 static int rtw_resume(struct usb_interface *intf);
29 static int rtw_drv_init(struct usb_interface *pusb_intf,
30 const struct usb_device_id *pdid);
31 static void rtw_disconnect(struct usb_interface *pusb_intf);
33 #define USB_VENDER_ID_REALTEK 0x0BDA
35 #define RTL8723A_USB_IDS \
36 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x8724, \
37 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */ \
38 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x1724, \
39 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */ \
40 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x0724, \
41 0xff, 0xff, 0xff)}, /* 8723AU 1*1 */
43 static struct usb_device_id rtl8723a_usb_id_tbl[] = {
45 {} /* Terminating entry */
48 MODULE_DEVICE_TABLE(usb, rtl8723a_usb_id_tbl);
50 static struct usb_driver rtl8723a_usb_drv = {
51 .name = (char *)"rtl8723au",
52 .probe = rtw_drv_init,
53 .disconnect = rtw_disconnect,
54 .id_table = rtl8723a_usb_id_tbl,
55 .suspend = rtw_suspend,
57 .reset_resume = rtw_resume,
60 static struct usb_driver *usb_drv = &rtl8723a_usb_drv;
62 static int rtw_init_intf_priv(struct dvobj_priv *dvobj)
64 mutex_init(&dvobj->usb_vendor_req_mutex);
69 static int rtw_deinit_intf_priv(struct dvobj_priv *dvobj)
71 mutex_destroy(&dvobj->usb_vendor_req_mutex);
76 static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
78 struct dvobj_priv *pdvobjpriv;
79 struct usb_host_config *phost_conf;
80 struct usb_config_descriptor *pconf_desc;
81 struct usb_host_interface *phost_iface;
82 struct usb_interface_descriptor *piface_desc;
83 struct usb_endpoint_descriptor *pendp_desc;
84 struct usb_device *pusbd;
85 int i, status = _FAIL;
87 pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
91 mutex_init(&pdvobjpriv->hw_init_mutex);
92 mutex_init(&pdvobjpriv->h2c_fwcmd_mutex);
93 mutex_init(&pdvobjpriv->setch_mutex);
94 mutex_init(&pdvobjpriv->setbw_mutex);
96 pdvobjpriv->pusbintf = usb_intf;
97 pusbd = interface_to_usbdev(usb_intf);
98 pdvobjpriv->pusbdev = pusbd;
99 usb_set_intfdata(usb_intf, pdvobjpriv);
101 pdvobjpriv->RtNumInPipes = 0;
102 pdvobjpriv->RtNumOutPipes = 0;
104 phost_conf = pusbd->actconfig;
105 pconf_desc = &phost_conf->desc;
107 phost_iface = &usb_intf->altsetting[0];
108 piface_desc = &phost_iface->desc;
110 pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
111 pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
112 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
114 for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
115 pendp_desc = &phost_iface->endpoint[i].desc;
117 DBG_8723A("\nusb_endpoint_descriptor(%d):\n", i);
118 DBG_8723A("bLength =%x\n", pendp_desc->bLength);
119 DBG_8723A("bDescriptorType =%x\n", pendp_desc->bDescriptorType);
120 DBG_8723A("bEndpointAddress =%x\n",
121 pendp_desc->bEndpointAddress);
122 DBG_8723A("wMaxPacketSize =%d\n",
123 le16_to_cpu(pendp_desc->wMaxPacketSize));
124 DBG_8723A("bInterval =%x\n", pendp_desc->bInterval);
126 if (usb_endpoint_is_bulk_in(pendp_desc)) {
127 DBG_8723A("usb_endpoint_is_bulk_in = %x\n",
128 usb_endpoint_num(pendp_desc));
129 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] =
130 usb_endpoint_num(pendp_desc);
131 pdvobjpriv->RtNumInPipes++;
132 } else if (usb_endpoint_is_int_in(pendp_desc)) {
133 DBG_8723A("usb_endpoint_is_int_in = %x, Interval = "
134 "%x\n", usb_endpoint_num(pendp_desc),
135 pendp_desc->bInterval);
136 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] =
137 usb_endpoint_num(pendp_desc);
138 pdvobjpriv->RtNumInPipes++;
139 } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
140 DBG_8723A("usb_endpoint_is_bulk_out = %x\n",
141 usb_endpoint_num(pendp_desc));
142 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
143 usb_endpoint_num(pendp_desc);
144 pdvobjpriv->RtNumOutPipes++;
146 pdvobjpriv->ep_num[i] = usb_endpoint_num(pendp_desc);
148 DBG_8723A("nr_endpoint =%d, in_num =%d, out_num =%d\n\n",
149 pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes,
150 pdvobjpriv->RtNumOutPipes);
152 if (pusbd->speed == USB_SPEED_HIGH) {
153 pdvobjpriv->ishighspeed = true;
154 DBG_8723A("USB_SPEED_HIGH\n");
156 pdvobjpriv->ishighspeed = false;
157 DBG_8723A("NON USB_SPEED_HIGH\n");
160 if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) {
161 RT_TRACE(_module_os_intfs_c_, _drv_err_,
162 "Can't INIT rtw_init_intf_priv\n");
166 rtw_reset_continual_urb_error(pdvobjpriv);
170 if (status != _SUCCESS && pdvobjpriv) {
171 usb_set_intfdata(usb_intf, NULL);
172 mutex_destroy(&pdvobjpriv->hw_init_mutex);
173 mutex_destroy(&pdvobjpriv->h2c_fwcmd_mutex);
174 mutex_destroy(&pdvobjpriv->setch_mutex);
175 mutex_destroy(&pdvobjpriv->setbw_mutex);
183 static void usb_dvobj_deinit(struct usb_interface *usb_intf)
185 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
187 usb_set_intfdata(usb_intf, NULL);
189 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
190 if ((dvobj->NumInterfaces != 2 && dvobj->NumInterfaces != 3) ||
191 (dvobj->InterfaceNumber == 1)) {
192 if (interface_to_usbdev(usb_intf)->state !=
193 USB_STATE_NOTATTACHED) {
194 /* If we didn't unplug usb dongle and
195 * remove/insert module, driver fails on
196 * sitesurvey for the first time when
198 * Reset usb port for sitesurvey fail issue.
200 DBG_8723A("usb attached..., try to reset usb device\n");
201 usb_reset_device(interface_to_usbdev(usb_intf));
204 rtw_deinit_intf_priv(dvobj);
205 mutex_destroy(&dvobj->hw_init_mutex);
206 mutex_destroy(&dvobj->h2c_fwcmd_mutex);
207 mutex_destroy(&dvobj->setch_mutex);
208 mutex_destroy(&dvobj->setbw_mutex);
211 usb_put_dev(interface_to_usbdev(usb_intf));
214 void rtl8723a_usb_intf_stop(struct rtw_adapter *padapter)
216 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+usb_intf_stop\n");
218 /* disable_hw_interrupt */
219 if (!padapter->bSurpriseRemoved) {
220 /* device still exists, so driver can do i/o operation
223 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
224 "SurpriseRemoved == false\n");
228 rtl8723au_inirp_deinit(padapter);
231 rtl8723au_write_port_cancel(padapter);
233 /* todo:cancel other irps */
234 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "-usb_intf_stop\n");
237 static void rtw_dev_unload(struct rtw_adapter *padapter)
239 struct submit_ctx *pack_tx_ops = &padapter->xmitpriv.ack_tx_ops;
241 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_dev_unload\n");
244 DBG_8723A("===> rtw_dev_unload\n");
246 padapter->bDriverStopped = true;
247 if (padapter->xmitpriv.ack_tx)
248 rtw23a_sctx_done_err(&pack_tx_ops,
249 RTW_SCTX_DONE_DRV_STOP);
252 rtl8723a_usb_intf_stop(padapter);
255 flush_workqueue(padapter->cmdpriv.wq);
258 if (!padapter->bSurpriseRemoved) {
259 rtl8723au_hal_deinit(padapter);
260 padapter->bSurpriseRemoved = true;
262 padapter->bup = false;
264 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
265 "r871x_dev_unload():padapter->bup == false\n");
267 DBG_8723A("<=== rtw_dev_unload\n");
268 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "-rtw_dev_unload\n");
271 static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
273 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
274 struct rtw_adapter *padapter = dvobj->if1;
275 struct net_device *pnetdev = padapter->pnetdev;
276 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
277 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
279 unsigned long start_time = jiffies;
281 DBG_8723A("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
283 if ((!padapter->bup) || (padapter->bDriverStopped) ||
284 (padapter->bSurpriseRemoved)) {
285 DBG_8723A("padapter->bup =%d bDriverStopped =%d bSurpriseRemoved = %d\n",
286 padapter->bup, padapter->bDriverStopped,
287 padapter->bSurpriseRemoved);
290 pwrpriv->bInSuspend = true;
291 rtw_cancel_all_timer23a(padapter);
292 LeaveAllPowerSaveMode23a(padapter);
294 down(&pwrpriv->lock);
295 /* padapter->net_closed = true; */
298 netif_carrier_off(pnetdev);
299 netif_tx_stop_all_queues(pnetdev);
303 rtw_disassoc_cmd23a(padapter, 0, false);
305 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
306 check_fwstate(pmlmepriv, _FW_LINKED)) {
307 DBG_8723A("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
309 pmlmepriv->cur_network.network.Ssid.ssid,
310 pmlmepriv->cur_network.network.MacAddress,
311 pmlmepriv->cur_network.network.Ssid.ssid_len,
312 pmlmepriv->assoc_ssid.ssid_len);
314 rtw_set_roaming(padapter, 1);
316 /* s2-2. indicate disconnect to os */
317 rtw_indicate_disconnect23a(padapter);
319 rtw_free_assoc_resources23a(padapter, 1);
321 rtw_free_network_queue23a(padapter);
323 rtw_dev_unload(padapter);
326 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
327 rtw_cfg80211_indicate_scan_done(
328 wdev_to_priv(padapter->rtw_wdev), true);
330 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
331 rtw_indicate_disconnect23a(padapter);
334 DBG_8723A("<=== %s return %d.............. in %dms\n", __func__,
335 ret, jiffies_to_msecs(jiffies - start_time));
340 static int rtw_resume(struct usb_interface *pusb_intf)
342 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
343 struct rtw_adapter *padapter = dvobj->if1;
344 struct net_device *pnetdev;
345 struct pwrctrl_priv *pwrpriv = NULL;
347 unsigned long start_time = jiffies;
349 DBG_8723A("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
353 pnetdev = padapter->pnetdev;
354 pwrpriv = &padapter->pwrctrlpriv;
356 down(&pwrpriv->lock);
357 rtw_reset_drv_sw23a(padapter);
358 pwrpriv->bkeepfwalive = false;
360 DBG_8723A("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
361 if (pm_netdev_open23a(pnetdev, true) != 0) {
366 netif_device_attach(pnetdev);
367 netif_carrier_on(pnetdev);
371 if (padapter->pid[1] != 0) {
372 DBG_8723A("pid[1]:%d\n", padapter->pid[1]);
373 kill_pid(find_vpid(padapter->pid[1]), SIGUSR2, 1);
376 rtw23a_roaming(padapter, NULL);
381 pwrpriv->bInSuspend = false;
382 DBG_8723A("<=== %s return %d.............. in %dms\n", __func__,
383 ret, jiffies_to_msecs(jiffies - start_time));
389 * drv_init() - a device potentially for us
391 * notes: drv_init() is called when the bus driver has located a card
393 * We accept the new device by returning 0.
395 static struct rtw_adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
396 struct usb_interface *pusb_intf,
397 const struct usb_device_id *pdid)
399 struct rtw_adapter *padapter = NULL;
400 struct net_device *pnetdev = NULL;
403 pnetdev = rtw_init_netdev23a(padapter);
406 padapter = netdev_priv(pnetdev);
408 padapter->dvobj = dvobj;
409 padapter->bDriverStopped = true;
410 dvobj->if1 = padapter;
411 dvobj->padapters[dvobj->iface_nums++] = padapter;
412 padapter->iface_id = IFACE_ID0;
414 rtl8723au_set_hw_type(padapter);
416 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
418 if (rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj)))
421 /* step 2. allocate HalData */
422 padapter->HalData = kzalloc(sizeof(struct hal_data_8723a), GFP_KERNEL);
423 if (!padapter->HalData)
426 /* step read_chip_version */
427 rtl8723a_read_chip_version(padapter);
429 /* step usb endpoint mapping */
430 if (!rtl8723au_chip_configure(padapter))
433 /* step read efuse/eeprom data and get mac_addr */
434 rtl8723a_read_adapter_info(padapter);
437 if (rtw_init_drv_sw23a(padapter) == _FAIL) {
438 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
439 "Initialize driver software resource Failed!\n");
444 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
445 dvobj->pusbdev->do_remote_wakeup = 1;
446 pusb_intf->needs_remote_wakeup = 1;
447 device_init_wakeup(&pusb_intf->dev, 1);
448 DBG_8723A("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
449 DBG_8723A("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
450 device_may_wakeup(&pusb_intf->dev));
453 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT
454 * auto suspend influence
456 if (usb_autopm_get_interface(pusb_intf) < 0)
457 DBG_8723A("can't get autopm:\n");
458 #ifdef CONFIG_8723AU_BT_COEXIST
459 padapter->pwrctrlpriv.autopm_cnt = 1;
462 /* If the eeprom mac address is corrupted, assign a random address */
463 if (is_broadcast_ether_addr(padapter->eeprompriv.mac_addr) ||
464 is_zero_ether_addr(padapter->eeprompriv.mac_addr))
465 eth_random_addr(padapter->eeprompriv.mac_addr);
467 DBG_8723A("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n",
468 padapter->bDriverStopped, padapter->bSurpriseRemoved,
469 padapter->bup, padapter->hw_init_completed
474 if (status != _SUCCESS)
475 kfree(padapter->HalData);
477 if (status != _SUCCESS) {
478 rtw_wdev_unregister(padapter->rtw_wdev);
479 rtw_wdev_free(padapter->rtw_wdev);
482 if (status != _SUCCESS) {
484 free_netdev(pnetdev);
490 static void rtw_usb_if1_deinit(struct rtw_adapter *if1)
492 struct net_device *pnetdev = if1->pnetdev;
493 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
495 if (check_fwstate(pmlmepriv, _FW_LINKED))
496 rtw_disassoc_cmd23a(if1, 0, false);
498 #ifdef CONFIG_8723AU_AP_MODE
499 free_mlme_ap_info23a(if1);
503 unregister_netdev(pnetdev); /* will call netdev_close() */
505 rtw_cancel_all_timer23a(if1);
509 DBG_8723A("+r871xu_dev_remove, hw_init_completed =%d\n",
510 if1->hw_init_completed);
513 rtw_wdev_unregister(if1->rtw_wdev);
514 rtw_wdev_free(if1->rtw_wdev);
517 #ifdef CONFIG_8723AU_BT_COEXIST
518 if (1 == if1->pwrctrlpriv.autopm_cnt) {
519 usb_autopm_put_interface(adapter_to_dvobj(if1)->pusbintf);
520 if1->pwrctrlpriv.autopm_cnt--;
524 rtw_free_drv_sw23a(if1);
527 free_netdev(pnetdev);
530 static int rtw_drv_init(struct usb_interface *pusb_intf,
531 const struct usb_device_id *pdid)
533 struct rtw_adapter *if1 = NULL;
534 struct dvobj_priv *dvobj;
537 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_init\n");
539 /* Initialize dvobj_priv */
540 dvobj = usb_dvobj_init(pusb_intf);
542 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
543 "initialize device object priv Failed!\n");
547 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
549 DBG_8723A("rtw_init_primary_adapter Failed!\n");
553 /* dev_alloc_name && register_netdev */
554 status = rtw_drv_register_netdev(if1);
555 if (status != _SUCCESS)
557 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
558 "-871x_drv - drv_init, success!\n");
563 if (status != _SUCCESS && if1)
564 rtw_usb_if1_deinit(if1);
566 if (status != _SUCCESS)
567 usb_dvobj_deinit(pusb_intf);
569 return status == _SUCCESS ? 0 : -ENODEV;
572 /* dev_remove() - our device is being removed */
573 static void rtw_disconnect(struct usb_interface *pusb_intf)
575 struct dvobj_priv *dvobj;
576 struct rtw_adapter *padapter;
577 struct net_device *pnetdev;
578 struct mlme_priv *pmlmepriv;
580 dvobj = usb_get_intfdata(pusb_intf);
584 padapter = dvobj->if1;
585 pnetdev = padapter->pnetdev;
586 pmlmepriv = &padapter->mlmepriv;
588 usb_set_intfdata(pusb_intf, NULL);
590 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+dev_remove()\n");
592 rtw_pm_set_ips23a(padapter, IPS_NONE);
593 rtw_pm_set_lps23a(padapter, PS_MODE_ACTIVE);
595 LeaveAllPowerSaveMode23a(padapter);
597 rtw_usb_if1_deinit(padapter);
599 usb_dvobj_deinit(pusb_intf);
601 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "-dev_remove()\n");
602 DBG_8723A("-r871xu_dev_remove, done\n");
605 static int __init rtw_drv_entry(void)
607 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_entry\n");
608 return usb_register(usb_drv);
611 static void __exit rtw_drv_halt(void)
613 RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_halt\n");
614 DBG_8723A("+rtw_drv_halt\n");
616 usb_deregister(usb_drv);
618 DBG_8723A("-rtw_drv_halt\n");
621 module_init(rtw_drv_entry);
622 module_exit(rtw_drv_halt);