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 * 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
19 ******************************************************************************/
21 #define pr_fmt(fmt) "R8188EU: " fmt
22 #include <osdep_service.h>
23 #include <drv_types.h>
24 #include <recv_osdep.h>
25 #include <xmit_osdep.h>
27 #include <linux/usb.h>
28 #include <linux/vmalloc.h>
30 #include <osdep_intf.h>
32 #include <usb_ops_linux.h>
34 #include <rtw_ioctl.h>
36 #define USB_VENDER_ID_REALTEK 0x0bda
38 /* DID_USB_v916_20130116 */
39 static struct usb_device_id rtw_usb_id_tbl[] = {
40 /*=== Realtek demoboard ===*/
41 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
42 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
43 /*=== Customer ID ===*/
44 /****** 8188EUS ********/
45 {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
46 {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
47 {USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
48 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
49 {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
50 {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
51 {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
52 {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
53 {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
54 {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
55 {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
56 {USB_DEVICE(0x7392, 0xb811)}, /* Edimax EW-7811UN V2 */
57 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
58 {} /* Terminating entry */
61 MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
63 static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
66 struct dvobj_priv *pdvobjpriv;
67 struct usb_host_config *phost_conf;
68 struct usb_config_descriptor *pconf_desc;
69 struct usb_host_interface *phost_iface;
70 struct usb_interface_descriptor *piface_desc;
71 struct usb_endpoint_descriptor *pendp_desc;
72 struct usb_device *pusbd;
74 pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
75 if (pdvobjpriv == NULL)
78 pdvobjpriv->pusbintf = usb_intf;
79 pusbd = interface_to_usbdev(usb_intf);
80 pdvobjpriv->pusbdev = pusbd;
81 usb_set_intfdata(usb_intf, pdvobjpriv);
83 pdvobjpriv->RtNumInPipes = 0;
84 pdvobjpriv->RtNumOutPipes = 0;
86 phost_conf = pusbd->actconfig;
87 pconf_desc = &phost_conf->desc;
89 phost_iface = usb_intf->cur_altsetting;
90 piface_desc = &phost_iface->desc;
92 pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
93 pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
94 pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
96 for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
98 pendp_desc = &phost_iface->endpoint[i].desc;
100 ep_num = usb_endpoint_num(pendp_desc);
102 if (usb_endpoint_is_bulk_in(pendp_desc)) {
103 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
104 pdvobjpriv->RtNumInPipes++;
105 } else if (usb_endpoint_is_int_in(pendp_desc)) {
106 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
107 pdvobjpriv->RtNumInPipes++;
108 } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
109 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
111 pdvobjpriv->RtNumOutPipes++;
113 pdvobjpriv->ep_num[i] = ep_num;
116 if (pusbd->speed == USB_SPEED_HIGH)
117 pdvobjpriv->ishighspeed = true;
119 pdvobjpriv->ishighspeed = false;
121 mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
122 pdvobjpriv->usb_vendor_req_buf = kzalloc(MAX_USB_IO_CTL_SIZE, GFP_KERNEL);
124 if (!pdvobjpriv->usb_vendor_req_buf) {
125 usb_set_intfdata(usb_intf, NULL);
134 static void usb_dvobj_deinit(struct usb_interface *usb_intf)
136 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
138 usb_set_intfdata(usb_intf, NULL);
140 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
141 if ((dvobj->NumInterfaces != 2 &&
142 dvobj->NumInterfaces != 3) ||
143 (dvobj->InterfaceNumber == 1)) {
144 if (interface_to_usbdev(usb_intf)->state !=
145 USB_STATE_NOTATTACHED) {
146 /* If we didn't unplug usb dongle and
147 * remove/insert module, driver fails
148 * on sitesurvey for the first time when
149 * device is up . Reset usb port for sitesurvey
151 pr_debug("usb attached..., try to reset usb device\n");
152 usb_reset_device(interface_to_usbdev(usb_intf));
156 kfree(dvobj->usb_vendor_req_buf);
157 mutex_destroy(&dvobj->usb_vendor_req_mutex);
161 usb_put_dev(interface_to_usbdev(usb_intf));
165 static void usb_intf_start(struct adapter *padapter)
167 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
169 rtw_hal_inirp_init(padapter);
171 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
174 static void usb_intf_stop(struct adapter *padapter)
176 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
178 /* disable_hw_interrupt */
179 if (!padapter->bSurpriseRemoved) {
180 /* device still exists, so driver can do i/o operation */
182 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
183 ("SurpriseRemoved == false\n"));
187 rtw_hal_inirp_deinit(padapter);
190 usb_write_port_cancel(padapter);
192 /* todo:cancel other irps */
194 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
197 static void rtw_dev_unload(struct adapter *padapter)
199 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
202 pr_debug("===> rtw_dev_unload\n");
203 padapter->bDriverStopped = true;
204 if (padapter->xmitpriv.ack_tx)
205 rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
207 if (padapter->intf_stop)
208 padapter->intf_stop(padapter);
210 if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
211 rtw_stop_drv_threads(padapter);
214 if (!padapter->bSurpriseRemoved) {
215 rtw_hal_deinit(padapter);
216 padapter->bSurpriseRemoved = true;
219 padapter->bup = false;
221 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
222 ("r871x_dev_unload():padapter->bup == false\n"));
225 pr_debug("<=== rtw_dev_unload\n");
227 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
230 static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
232 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
233 struct adapter *padapter = dvobj->if1;
234 struct net_device *pnetdev = padapter->pnetdev;
235 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
236 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
237 u32 start_time = jiffies;
239 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
241 if ((!padapter->bup) || (padapter->bDriverStopped) ||
242 (padapter->bSurpriseRemoved)) {
243 pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
244 padapter->bup, padapter->bDriverStopped,
245 padapter->bSurpriseRemoved);
249 pwrpriv->bInSuspend = true;
250 rtw_cancel_all_timer(padapter);
251 LeaveAllPowerSaveMode(padapter);
253 _enter_pwrlock(&pwrpriv->lock);
256 netif_carrier_off(pnetdev);
257 netif_tx_stop_all_queues(pnetdev);
261 rtw_disassoc_cmd(padapter, 0, false);
263 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
264 check_fwstate(pmlmepriv, _FW_LINKED)) {
265 pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
267 pmlmepriv->cur_network.network.Ssid.Ssid,
268 pmlmepriv->cur_network.network.MacAddress,
269 pmlmepriv->cur_network.network.Ssid.SsidLength,
270 pmlmepriv->assoc_ssid.SsidLength);
272 pmlmepriv->to_roaming = 1;
274 /* s2-2. indicate disconnect to os */
275 rtw_indicate_disconnect(padapter);
277 rtw_free_assoc_resources(padapter);
279 rtw_free_network_queue(padapter, true);
281 rtw_dev_unload(padapter);
282 _exit_pwrlock(&pwrpriv->lock);
284 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
285 rtw_indicate_scan_done(padapter, 1);
287 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
288 rtw_indicate_disconnect(padapter);
291 pr_debug("<=== %s .............. in %dms\n", __func__,
292 rtw_get_passing_time_ms(start_time));
297 static int rtw_resume_process(struct adapter *padapter)
299 struct net_device *pnetdev;
300 struct pwrctrl_priv *pwrpriv = NULL;
302 u32 start_time = jiffies;
304 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
307 pnetdev = padapter->pnetdev;
308 pwrpriv = &padapter->pwrctrlpriv;
313 _enter_pwrlock(&pwrpriv->lock);
314 rtw_reset_drv_sw(padapter);
315 pwrpriv->bkeepfwalive = false;
317 pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
318 if (pm_netdev_open(pnetdev, true) != 0)
321 netif_device_attach(pnetdev);
322 netif_carrier_on(pnetdev);
324 _exit_pwrlock(&pwrpriv->lock);
326 rtw_roaming(padapter, NULL);
331 pwrpriv->bInSuspend = false;
332 pr_debug("<=== %s return %d.............. in %dms\n", __func__,
333 ret, rtw_get_passing_time_ms(start_time));
338 static int rtw_resume(struct usb_interface *pusb_intf)
340 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
341 struct adapter *padapter = dvobj->if1;
343 return rtw_resume_process(padapter);
347 * drv_init() - a device potentially for us
349 * notes: drv_init() is called when the bus driver has located
350 * a card for us to support.
351 * We accept the new device by returning 0.
354 static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
355 struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
357 struct adapter *padapter = NULL;
358 struct net_device *pnetdev = NULL;
359 struct net_device *pmondev;
362 padapter = (struct adapter *)vzalloc(sizeof(*padapter));
363 if (padapter == NULL)
365 padapter->dvobj = dvobj;
366 dvobj->if1 = padapter;
368 padapter->bDriverStopped = true;
369 mutex_init(&padapter->hw_init_mutex);
370 padapter->chip_type = RTL8188E;
372 pnetdev = rtw_init_netdev(padapter);
375 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
376 padapter = rtw_netdev_priv(pnetdev);
378 if (padapter->registrypriv.monitor_enable) {
379 pmondev = rtl88eu_mon_init();
381 netdev_warn(pnetdev, "Failed to initialize monitor interface");
382 padapter->pmondev = pmondev;
385 /* step 2. hook HalFunc, allocate HalData */
386 hal_set_hal_ops(padapter);
388 padapter->intf_start = &usb_intf_start;
389 padapter->intf_stop = &usb_intf_stop;
391 /* step read_chip_version */
392 rtw_hal_read_chip_version(padapter);
394 /* step usb endpoint mapping */
395 rtw_hal_chip_configure(padapter);
397 /* step read efuse/eeprom data and get mac_addr */
398 rtw_hal_read_chip_info(padapter);
401 if (rtw_init_drv_sw(padapter) == _FAIL) {
402 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
403 ("Initialize driver software resource Failed!\n"));
408 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
409 dvobj->pusbdev->do_remote_wakeup = 1;
410 pusb_intf->needs_remote_wakeup = 1;
411 device_init_wakeup(&pusb_intf->dev, 1);
412 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
413 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
414 device_may_wakeup(&pusb_intf->dev));
418 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
419 * suspend influence */
420 if (usb_autopm_get_interface(pusb_intf) < 0)
421 pr_debug("can't get autopm:\n");
423 /* alloc dev name after read efuse. */
424 rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
425 rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
426 memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
427 pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
430 /* step 6. Tell the network stack we exist */
431 if (register_netdev(pnetdev) != 0) {
432 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
436 pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
437 , padapter->bDriverStopped
438 , padapter->bSurpriseRemoved
440 , padapter->hw_init_completed
446 if (status != _SUCCESS)
447 kfree(padapter->HalData);
449 if (status != _SUCCESS) {
451 rtw_free_netdev(pnetdev);
460 static void rtw_usb_if1_deinit(struct adapter *if1)
462 struct net_device *pnetdev = if1->pnetdev;
463 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
465 if (check_fwstate(pmlmepriv, _FW_LINKED))
466 rtw_disassoc_cmd(if1, 0, false);
468 #ifdef CONFIG_88EU_AP_MODE
469 free_mlme_ap_info(if1);
473 /* will call netdev_close() */
474 unregister_netdev(pnetdev);
475 rtw_proc_remove_one(pnetdev);
477 rtl88eu_mon_deinit(if1->pmondev);
478 rtw_cancel_all_timer(if1);
481 pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
482 if1->hw_init_completed);
483 rtw_free_drv_sw(if1);
485 rtw_free_netdev(pnetdev);
488 static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
490 struct adapter *if1 = NULL;
491 struct dvobj_priv *dvobj;
493 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
495 /* Initialize dvobj_priv */
496 dvobj = usb_dvobj_init(pusb_intf);
498 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
499 ("initialize device object priv Failed!\n"));
503 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
505 pr_debug("rtw_init_primarystruct adapter Failed!\n");
509 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
514 usb_dvobj_deinit(pusb_intf);
520 * dev_remove() - our device is being removed
522 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
523 static void rtw_dev_remove(struct usb_interface *pusb_intf)
525 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
526 struct adapter *padapter = dvobj->if1;
528 pr_debug("+rtw_dev_remove\n");
529 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
531 if (!pusb_intf->unregistering)
532 padapter->bSurpriseRemoved = true;
534 rtw_pm_set_ips(padapter, IPS_NONE);
535 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
537 LeaveAllPowerSaveMode(padapter);
539 rtw_usb_if1_deinit(padapter);
541 usb_dvobj_deinit(pusb_intf);
543 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
544 pr_debug("-r871xu_dev_remove, done\n");
547 static struct usb_driver rtl8188e_usb_drv = {
549 .probe = rtw_drv_init,
550 .disconnect = rtw_dev_remove,
551 .id_table = rtw_usb_id_tbl,
552 .suspend = rtw_suspend,
553 .resume = rtw_resume,
554 .reset_resume = rtw_resume,
557 module_usb_driver(rtl8188e_usb_drv)