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 const 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(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
44 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
45 {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
46 {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
47 {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
48 {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
49 {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
50 {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
51 {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
52 {USB_DEVICE(0x7392, 0xb811)}, /* Edimax EW-7811UN V2 */
53 {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
54 {} /* Terminating entry */
57 MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
59 static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
62 struct dvobj_priv *pdvobjpriv;
63 struct usb_host_config *phost_conf;
64 struct usb_config_descriptor *pconf_desc;
65 struct usb_host_interface *phost_iface;
66 struct usb_interface_descriptor *piface_desc;
67 struct usb_endpoint_descriptor *pendp_desc;
68 struct usb_device *pusbd;
70 pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
74 pdvobjpriv->pusbintf = usb_intf;
75 pusbd = interface_to_usbdev(usb_intf);
76 pdvobjpriv->pusbdev = pusbd;
77 usb_set_intfdata(usb_intf, pdvobjpriv);
79 pdvobjpriv->RtNumInPipes = 0;
80 pdvobjpriv->RtNumOutPipes = 0;
82 phost_conf = pusbd->actconfig;
83 pconf_desc = &phost_conf->desc;
85 phost_iface = usb_intf->cur_altsetting;
86 piface_desc = &phost_iface->desc;
88 pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
89 pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
91 for (i = 0; i < piface_desc->bNumEndpoints; i++) {
94 pendp_desc = &phost_iface->endpoint[i].desc;
96 ep_num = usb_endpoint_num(pendp_desc);
98 if (usb_endpoint_is_bulk_in(pendp_desc)) {
99 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
100 pdvobjpriv->RtNumInPipes++;
101 } else if (usb_endpoint_is_int_in(pendp_desc)) {
102 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
103 pdvobjpriv->RtNumInPipes++;
104 } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
105 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
107 pdvobjpriv->RtNumOutPipes++;
111 if (pusbd->speed == USB_SPEED_HIGH)
112 pdvobjpriv->ishighspeed = true;
114 pdvobjpriv->ishighspeed = false;
116 mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
122 static void usb_dvobj_deinit(struct usb_interface *usb_intf)
124 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
126 usb_set_intfdata(usb_intf, NULL);
128 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
129 if ((dvobj->NumInterfaces != 2 &&
130 dvobj->NumInterfaces != 3) ||
131 (dvobj->InterfaceNumber == 1)) {
132 if (interface_to_usbdev(usb_intf)->state !=
133 USB_STATE_NOTATTACHED) {
134 /* If we didn't unplug usb dongle and
135 * remove/insert module, driver fails
136 * on sitesurvey for the first time when
137 * device is up . Reset usb port for sitesurvey
139 pr_debug("usb attached..., try to reset usb device\n");
140 usb_reset_device(interface_to_usbdev(usb_intf));
144 mutex_destroy(&dvobj->usb_vendor_req_mutex);
148 usb_put_dev(interface_to_usbdev(usb_intf));
152 void usb_intf_stop(struct adapter *padapter)
154 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
156 /* disable_hw_interrupt */
157 if (!padapter->bSurpriseRemoved) {
158 /* device still exists, so driver can do i/o operation */
160 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
161 ("SurpriseRemoved == false\n"));
165 rtw_hal_inirp_deinit(padapter);
168 usb_write_port_cancel(padapter);
170 /* todo:cancel other irps */
172 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
175 static void rtw_dev_unload(struct adapter *padapter)
177 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
180 pr_debug("===> rtw_dev_unload\n");
181 padapter->bDriverStopped = true;
182 if (padapter->xmitpriv.ack_tx)
183 rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
185 usb_intf_stop(padapter);
187 if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
188 rtw_stop_drv_threads(padapter);
191 if (!padapter->bSurpriseRemoved) {
192 rtw_hal_deinit(padapter);
193 padapter->bSurpriseRemoved = true;
196 padapter->bup = false;
198 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
199 ("r871x_dev_unload():padapter->bup == false\n"));
202 pr_debug("<=== rtw_dev_unload\n");
204 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
207 static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
209 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
210 struct adapter *padapter = dvobj->if1;
211 struct net_device *pnetdev = padapter->pnetdev;
212 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
213 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
214 unsigned long start_time = jiffies;
216 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
218 if ((!padapter->bup) || (padapter->bDriverStopped) ||
219 (padapter->bSurpriseRemoved)) {
220 pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
221 padapter->bup, padapter->bDriverStopped,
222 padapter->bSurpriseRemoved);
226 pwrpriv->bInSuspend = true;
227 rtw_cancel_all_timer(padapter);
228 LeaveAllPowerSaveMode(padapter);
230 mutex_lock(&pwrpriv->mutex_lock);
233 netif_carrier_off(pnetdev);
234 netif_tx_stop_all_queues(pnetdev);
238 rtw_disassoc_cmd(padapter, 0, false);
240 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
241 check_fwstate(pmlmepriv, _FW_LINKED)) {
242 pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
244 pmlmepriv->cur_network.network.Ssid.Ssid,
245 pmlmepriv->cur_network.network.MacAddress,
246 pmlmepriv->cur_network.network.Ssid.SsidLength,
247 pmlmepriv->assoc_ssid.SsidLength);
249 pmlmepriv->to_roaming = 1;
251 /* s2-2. indicate disconnect to os */
252 rtw_indicate_disconnect(padapter);
254 rtw_free_assoc_resources(padapter);
256 rtw_free_network_queue(padapter, true);
258 rtw_dev_unload(padapter);
259 mutex_unlock(&pwrpriv->mutex_lock);
261 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
262 rtw_indicate_scan_done(padapter, 1);
264 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
265 rtw_indicate_disconnect(padapter);
268 pr_debug("<=== %s .............. in %dms\n", __func__,
269 jiffies_to_msecs(jiffies - start_time));
274 static int rtw_resume_process(struct adapter *padapter)
276 struct net_device *pnetdev;
277 struct pwrctrl_priv *pwrpriv = NULL;
279 unsigned long start_time = jiffies;
281 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
284 pnetdev = padapter->pnetdev;
285 pwrpriv = &padapter->pwrctrlpriv;
290 mutex_lock(&pwrpriv->mutex_lock);
291 rtw_reset_drv_sw(padapter);
292 pwrpriv->bkeepfwalive = false;
294 pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
295 if (netdev_open(pnetdev) != 0) {
296 mutex_unlock(&pwrpriv->mutex_lock);
300 netif_device_attach(pnetdev);
301 netif_carrier_on(pnetdev);
303 mutex_unlock(&pwrpriv->mutex_lock);
305 rtw_roaming(padapter, NULL);
310 pwrpriv->bInSuspend = false;
311 pr_debug("<=== %s return %d.............. in %dms\n", __func__,
312 ret, jiffies_to_msecs(jiffies - start_time));
317 static int rtw_resume(struct usb_interface *pusb_intf)
319 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
320 struct adapter *padapter = dvobj->if1;
322 return rtw_resume_process(padapter);
326 * drv_init() - a device potentially for us
328 * notes: drv_init() is called when the bus driver has located
329 * a card for us to support.
330 * We accept the new device by returning 0.
333 static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
334 struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
336 struct adapter *padapter = NULL;
337 struct net_device *pnetdev = NULL;
338 struct net_device *pmondev;
341 padapter = (struct adapter *)vzalloc(sizeof(*padapter));
342 if (padapter == NULL)
344 padapter->dvobj = dvobj;
345 dvobj->if1 = padapter;
347 padapter->bDriverStopped = true;
348 mutex_init(&padapter->hw_init_mutex);
350 pnetdev = rtw_init_netdev(padapter);
353 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
354 padapter = rtw_netdev_priv(pnetdev);
356 if (padapter->registrypriv.monitor_enable) {
357 pmondev = rtl88eu_mon_init();
359 netdev_warn(pnetdev, "Failed to initialize monitor interface");
360 padapter->pmondev = pmondev;
363 padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
364 if (!padapter->HalData) {
365 DBG_88E("Failed to allocate memory for HAL data\n");
369 /* step read_chip_version */
370 rtw_hal_read_chip_version(padapter);
372 /* step usb endpoint mapping */
373 rtw_hal_chip_configure(padapter);
375 /* step read efuse/eeprom data and get mac_addr */
376 rtw_hal_read_chip_info(padapter);
379 if (rtw_init_drv_sw(padapter) == _FAIL) {
380 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
381 ("Initialize driver software resource Failed!\n"));
386 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
387 dvobj->pusbdev->do_remote_wakeup = 1;
388 pusb_intf->needs_remote_wakeup = 1;
389 device_init_wakeup(&pusb_intf->dev, 1);
390 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
391 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
392 device_may_wakeup(&pusb_intf->dev));
396 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
397 * suspend influence */
398 if (usb_autopm_get_interface(pusb_intf) < 0)
399 pr_debug("can't get autopm:\n");
401 /* alloc dev name after read efuse. */
402 rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
403 rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
404 memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
405 pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
408 /* step 6. Tell the network stack we exist */
409 if (register_netdev(pnetdev) != 0) {
410 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
414 pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
415 , padapter->bDriverStopped
416 , padapter->bSurpriseRemoved
418 , padapter->hw_init_completed
424 if (status != _SUCCESS)
425 kfree(padapter->HalData);
427 if (status != _SUCCESS) {
429 rtw_free_netdev(pnetdev);
438 static void rtw_usb_if1_deinit(struct adapter *if1)
440 struct net_device *pnetdev = if1->pnetdev;
441 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
443 if (check_fwstate(pmlmepriv, _FW_LINKED))
444 rtw_disassoc_cmd(if1, 0, false);
446 #ifdef CONFIG_88EU_AP_MODE
447 free_mlme_ap_info(if1);
451 unregister_netdev(pnetdev); /* will call netdev_close() */
453 rtl88eu_mon_deinit(if1->pmondev);
454 rtw_cancel_all_timer(if1);
457 pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
458 if1->hw_init_completed);
459 rtw_free_drv_sw(if1);
460 rtw_free_netdev(pnetdev);
463 static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
465 struct adapter *if1 = NULL;
466 struct dvobj_priv *dvobj;
468 /* Initialize dvobj_priv */
469 dvobj = usb_dvobj_init(pusb_intf);
471 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
472 ("initialize device object priv Failed!\n"));
476 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
478 pr_debug("rtw_init_primarystruct adapter Failed!\n");
485 usb_dvobj_deinit(pusb_intf);
491 * dev_remove() - our device is being removed
493 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
494 static void rtw_dev_remove(struct usb_interface *pusb_intf)
496 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
497 struct adapter *padapter = dvobj->if1;
499 pr_debug("+rtw_dev_remove\n");
500 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
502 if (!pusb_intf->unregistering)
503 padapter->bSurpriseRemoved = true;
505 rtw_pm_set_ips(padapter, IPS_NONE);
506 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
508 LeaveAllPowerSaveMode(padapter);
510 rtw_usb_if1_deinit(padapter);
512 usb_dvobj_deinit(pusb_intf);
514 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
515 pr_debug("-r871xu_dev_remove, done\n");
518 static struct usb_driver rtl8188e_usb_drv = {
520 .probe = rtw_drv_init,
521 .disconnect = rtw_dev_remove,
522 .id_table = rtw_usb_id_tbl,
523 .suspend = rtw_suspend,
524 .resume = rtw_resume,
525 .reset_resume = rtw_resume,
528 module_usb_driver(rtl8188e_usb_drv)