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 ******************************************************************************/
16 #define pr_fmt(fmt) "R8188EU: " fmt
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <recv_osdep.h>
20 #include <xmit_osdep.h>
22 #include <linux/usb.h>
23 #include <linux/vmalloc.h>
25 #include <osdep_intf.h>
27 #include <usb_ops_linux.h>
28 #include <rtw_ioctl.h>
30 #include "rtl8188e_hal.h"
32 #define USB_VENDER_ID_REALTEK 0x0bda
34 /* DID_USB_v916_20130116 */
35 static struct usb_device_id rtw_usb_id_tbl[] = {
36 /*=== Realtek demoboard ===*/
37 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
38 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
39 /*=== Customer ID ===*/
40 /****** 8188EUS ********/
41 {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
42 {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
43 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
44 {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
45 {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
46 {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
47 {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
48 {} /* Terminating entry */
51 MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
53 static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
56 struct dvobj_priv *pdvobjpriv;
57 struct usb_host_config *phost_conf;
58 struct usb_config_descriptor *pconf_desc;
59 struct usb_host_interface *phost_iface;
60 struct usb_interface_descriptor *piface_desc;
61 struct usb_endpoint_descriptor *pendp_desc;
62 struct usb_device *pusbd;
64 pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
68 pdvobjpriv->pusbintf = usb_intf;
69 pusbd = interface_to_usbdev(usb_intf);
70 pdvobjpriv->pusbdev = pusbd;
71 usb_set_intfdata(usb_intf, pdvobjpriv);
73 pdvobjpriv->RtNumInPipes = 0;
74 pdvobjpriv->RtNumOutPipes = 0;
76 phost_conf = pusbd->actconfig;
77 pconf_desc = &phost_conf->desc;
79 phost_iface = &usb_intf->altsetting[0];
80 piface_desc = &phost_iface->desc;
82 pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
83 pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
85 for (i = 0; i < piface_desc->bNumEndpoints; i++) {
88 pendp_desc = &phost_iface->endpoint[i].desc;
90 ep_num = usb_endpoint_num(pendp_desc);
92 if (usb_endpoint_is_bulk_in(pendp_desc)) {
93 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
94 pdvobjpriv->RtNumInPipes++;
95 } else if (usb_endpoint_is_int_in(pendp_desc)) {
96 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
97 pdvobjpriv->RtNumInPipes++;
98 } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
99 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
101 pdvobjpriv->RtNumOutPipes++;
105 if (pusbd->speed == USB_SPEED_HIGH)
106 pdvobjpriv->ishighspeed = true;
108 pdvobjpriv->ishighspeed = false;
110 mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
116 static void usb_dvobj_deinit(struct usb_interface *usb_intf)
118 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
120 usb_set_intfdata(usb_intf, NULL);
122 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
123 if ((dvobj->NumInterfaces != 2 &&
124 dvobj->NumInterfaces != 3) ||
125 (dvobj->InterfaceNumber == 1)) {
126 if (interface_to_usbdev(usb_intf)->state !=
127 USB_STATE_NOTATTACHED) {
128 /* If we didn't unplug usb dongle and
129 * remove/insert module, driver fails
130 * on sitesurvey for the first time when
131 * device is up . Reset usb port for sitesurvey
133 pr_debug("usb attached..., try to reset usb device\n");
134 usb_reset_device(interface_to_usbdev(usb_intf));
138 mutex_destroy(&dvobj->usb_vendor_req_mutex);
142 usb_put_dev(interface_to_usbdev(usb_intf));
146 void usb_intf_stop(struct adapter *padapter)
148 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
150 /* disable_hw_interrupt */
151 if (!padapter->bSurpriseRemoved) {
152 /* device still exists, so driver can do i/o operation */
154 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
155 ("SurpriseRemoved == false\n"));
159 rtw_hal_inirp_deinit(padapter);
162 usb_write_port_cancel(padapter);
164 /* todo:cancel other irps */
166 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
169 static void rtw_dev_unload(struct adapter *padapter)
171 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
174 pr_debug("===> rtw_dev_unload\n");
175 padapter->bDriverStopped = true;
176 if (padapter->xmitpriv.ack_tx)
177 rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
179 usb_intf_stop(padapter);
181 if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
182 rtw_stop_drv_threads(padapter);
185 if (!padapter->bSurpriseRemoved) {
186 rtw_hal_deinit(padapter);
187 padapter->bSurpriseRemoved = true;
190 padapter->bup = false;
192 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
193 ("r871x_dev_unload():padapter->bup == false\n"));
196 pr_debug("<=== rtw_dev_unload\n");
198 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
201 static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
203 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
204 struct adapter *padapter = dvobj->if1;
205 struct net_device *pnetdev = padapter->pnetdev;
206 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
207 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
208 unsigned long start_time = jiffies;
210 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
212 if ((!padapter->bup) || (padapter->bDriverStopped) ||
213 (padapter->bSurpriseRemoved)) {
214 pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
215 padapter->bup, padapter->bDriverStopped,
216 padapter->bSurpriseRemoved);
220 pwrpriv->bInSuspend = true;
221 rtw_cancel_all_timer(padapter);
222 LeaveAllPowerSaveMode(padapter);
224 mutex_lock(&pwrpriv->mutex_lock);
227 netif_carrier_off(pnetdev);
228 netif_tx_stop_all_queues(pnetdev);
232 rtw_disassoc_cmd(padapter, 0, false);
234 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
235 check_fwstate(pmlmepriv, _FW_LINKED)) {
236 pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
238 pmlmepriv->cur_network.network.Ssid.Ssid,
239 pmlmepriv->cur_network.network.MacAddress,
240 pmlmepriv->cur_network.network.Ssid.SsidLength,
241 pmlmepriv->assoc_ssid.SsidLength);
243 pmlmepriv->to_roaming = 1;
245 /* s2-2. indicate disconnect to os */
246 rtw_indicate_disconnect(padapter);
248 rtw_free_assoc_resources(padapter);
250 rtw_free_network_queue(padapter, true);
252 rtw_dev_unload(padapter);
253 mutex_unlock(&pwrpriv->mutex_lock);
255 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
256 rtw_indicate_scan_done(padapter, 1);
258 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
259 rtw_indicate_disconnect(padapter);
262 pr_debug("<=== %s .............. in %dms\n", __func__,
263 jiffies_to_msecs(jiffies - start_time));
268 static int rtw_resume_process(struct adapter *padapter)
270 struct net_device *pnetdev;
271 struct pwrctrl_priv *pwrpriv = NULL;
273 unsigned long start_time = jiffies;
275 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
278 pnetdev = padapter->pnetdev;
279 pwrpriv = &padapter->pwrctrlpriv;
284 mutex_lock(&pwrpriv->mutex_lock);
285 rtw_reset_drv_sw(padapter);
286 pwrpriv->bkeepfwalive = false;
288 pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
289 if (netdev_open(pnetdev) != 0) {
290 mutex_unlock(&pwrpriv->mutex_lock);
294 netif_device_attach(pnetdev);
295 netif_carrier_on(pnetdev);
297 mutex_unlock(&pwrpriv->mutex_lock);
299 rtw_roaming(padapter, NULL);
304 pwrpriv->bInSuspend = false;
305 pr_debug("<=== %s return %d.............. in %dms\n", __func__,
306 ret, jiffies_to_msecs(jiffies - start_time));
311 static int rtw_resume(struct usb_interface *pusb_intf)
313 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
314 struct adapter *padapter = dvobj->if1;
316 return rtw_resume_process(padapter);
320 * drv_init() - a device potentially for us
322 * notes: drv_init() is called when the bus driver has located
323 * a card for us to support.
324 * We accept the new device by returning 0.
327 static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
328 struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
330 struct adapter *padapter = NULL;
331 struct net_device *pnetdev = NULL;
332 struct net_device *pmondev;
335 padapter = (struct adapter *)vzalloc(sizeof(*padapter));
336 if (padapter == NULL)
338 padapter->dvobj = dvobj;
339 dvobj->if1 = padapter;
341 padapter->bDriverStopped = true;
342 mutex_init(&padapter->hw_init_mutex);
344 pnetdev = rtw_init_netdev(padapter);
347 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
348 padapter = rtw_netdev_priv(pnetdev);
350 if (padapter->registrypriv.monitor_enable) {
351 pmondev = rtl88eu_mon_init();
353 netdev_warn(pnetdev, "Failed to initialize monitor interface");
354 padapter->pmondev = pmondev;
357 padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
358 if (!padapter->HalData)
359 DBG_88E("cant not alloc memory for HAL DATA\n");
361 /* step read_chip_version */
362 rtw_hal_read_chip_version(padapter);
364 /* step usb endpoint mapping */
365 rtw_hal_chip_configure(padapter);
367 /* step read efuse/eeprom data and get mac_addr */
368 rtw_hal_read_chip_info(padapter);
371 if (rtw_init_drv_sw(padapter) == _FAIL) {
372 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
373 ("Initialize driver software resource Failed!\n"));
378 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
379 dvobj->pusbdev->do_remote_wakeup = 1;
380 pusb_intf->needs_remote_wakeup = 1;
381 device_init_wakeup(&pusb_intf->dev, 1);
382 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
383 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
384 device_may_wakeup(&pusb_intf->dev));
388 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
389 * suspend influence */
390 if (usb_autopm_get_interface(pusb_intf) < 0)
391 pr_debug("can't get autopm:\n");
393 /* alloc dev name after read efuse. */
394 rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
395 rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
396 memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
397 pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
400 /* step 6. Tell the network stack we exist */
401 if (register_netdev(pnetdev) != 0) {
402 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
406 pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
407 , padapter->bDriverStopped
408 , padapter->bSurpriseRemoved
410 , padapter->hw_init_completed
416 if (status != _SUCCESS)
417 kfree(padapter->HalData);
419 if (status != _SUCCESS) {
421 rtw_free_netdev(pnetdev);
430 static void rtw_usb_if1_deinit(struct adapter *if1)
432 struct net_device *pnetdev = if1->pnetdev;
433 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
435 if (check_fwstate(pmlmepriv, _FW_LINKED))
436 rtw_disassoc_cmd(if1, 0, false);
438 #ifdef CONFIG_88EU_AP_MODE
439 free_mlme_ap_info(if1);
443 unregister_netdev(pnetdev); /* will call netdev_close() */
445 rtl88eu_mon_deinit(if1->pmondev);
446 rtw_cancel_all_timer(if1);
449 pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
450 if1->hw_init_completed);
451 rtw_free_drv_sw(if1);
452 rtw_free_netdev(pnetdev);
455 static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
457 struct adapter *if1 = NULL;
458 struct dvobj_priv *dvobj;
460 /* Initialize dvobj_priv */
461 dvobj = usb_dvobj_init(pusb_intf);
463 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
464 ("initialize device object priv Failed!\n"));
468 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
470 pr_debug("rtw_init_primarystruct adapter Failed!\n");
477 usb_dvobj_deinit(pusb_intf);
483 * dev_remove() - our device is being removed
485 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
486 static void rtw_dev_remove(struct usb_interface *pusb_intf)
488 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
489 struct adapter *padapter = dvobj->if1;
491 pr_debug("+rtw_dev_remove\n");
492 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
494 if (!pusb_intf->unregistering)
495 padapter->bSurpriseRemoved = true;
497 rtw_pm_set_ips(padapter, IPS_NONE);
498 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
500 LeaveAllPowerSaveMode(padapter);
502 rtw_usb_if1_deinit(padapter);
504 usb_dvobj_deinit(pusb_intf);
506 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
507 pr_debug("-r871xu_dev_remove, done\n");
510 static struct usb_driver rtl8188e_usb_drv = {
512 .probe = rtw_drv_init,
513 .disconnect = rtw_dev_remove,
514 .id_table = rtw_usb_id_tbl,
515 .suspend = rtw_suspend,
516 .resume = rtw_resume,
517 .reset_resume = rtw_resume,
520 module_usb_driver(rtl8188e_usb_drv)