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(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++) {
93 pendp_desc = &phost_iface->endpoint[i].desc;
95 ep_num = usb_endpoint_num(pendp_desc);
97 if (usb_endpoint_is_bulk_in(pendp_desc)) {
98 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
99 pdvobjpriv->RtNumInPipes++;
100 } else if (usb_endpoint_is_int_in(pendp_desc)) {
101 pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
102 pdvobjpriv->RtNumInPipes++;
103 } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
104 pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
106 pdvobjpriv->RtNumOutPipes++;
110 if (pusbd->speed == USB_SPEED_HIGH)
111 pdvobjpriv->ishighspeed = true;
113 pdvobjpriv->ishighspeed = false;
115 mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
121 static void usb_dvobj_deinit(struct usb_interface *usb_intf)
123 struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
125 usb_set_intfdata(usb_intf, NULL);
127 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
128 if ((dvobj->NumInterfaces != 2 &&
129 dvobj->NumInterfaces != 3) ||
130 (dvobj->InterfaceNumber == 1)) {
131 if (interface_to_usbdev(usb_intf)->state !=
132 USB_STATE_NOTATTACHED) {
133 /* If we didn't unplug usb dongle and
134 * remove/insert module, driver fails
135 * on sitesurvey for the first time when
136 * device is up . Reset usb port for sitesurvey
138 pr_debug("usb attached..., try to reset usb device\n");
139 usb_reset_device(interface_to_usbdev(usb_intf));
143 mutex_destroy(&dvobj->usb_vendor_req_mutex);
147 usb_put_dev(interface_to_usbdev(usb_intf));
151 static void usb_intf_start(struct adapter *padapter)
153 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
155 rtw_hal_inirp_init(padapter);
157 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
160 static void usb_intf_stop(struct adapter *padapter)
162 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
164 /* disable_hw_interrupt */
165 if (!padapter->bSurpriseRemoved) {
166 /* device still exists, so driver can do i/o operation */
168 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
169 ("SurpriseRemoved == false\n"));
173 rtw_hal_inirp_deinit(padapter);
176 usb_write_port_cancel(padapter);
178 /* todo:cancel other irps */
180 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
183 static void rtw_dev_unload(struct adapter *padapter)
185 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
188 pr_debug("===> rtw_dev_unload\n");
189 padapter->bDriverStopped = true;
190 if (padapter->xmitpriv.ack_tx)
191 rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
193 if (padapter->intf_stop)
194 padapter->intf_stop(padapter);
196 if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
197 rtw_stop_drv_threads(padapter);
200 if (!padapter->bSurpriseRemoved) {
201 rtw_hal_deinit(padapter);
202 padapter->bSurpriseRemoved = true;
205 padapter->bup = false;
207 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
208 ("r871x_dev_unload():padapter->bup == false\n"));
211 pr_debug("<=== rtw_dev_unload\n");
213 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
216 static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
218 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
219 struct adapter *padapter = dvobj->if1;
220 struct net_device *pnetdev = padapter->pnetdev;
221 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
222 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
223 unsigned long start_time = jiffies;
225 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
227 if ((!padapter->bup) || (padapter->bDriverStopped) ||
228 (padapter->bSurpriseRemoved)) {
229 pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
230 padapter->bup, padapter->bDriverStopped,
231 padapter->bSurpriseRemoved);
235 pwrpriv->bInSuspend = true;
236 rtw_cancel_all_timer(padapter);
237 LeaveAllPowerSaveMode(padapter);
239 mutex_lock(&pwrpriv->mutex_lock);
242 netif_carrier_off(pnetdev);
243 netif_tx_stop_all_queues(pnetdev);
247 rtw_disassoc_cmd(padapter, 0, false);
249 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
250 check_fwstate(pmlmepriv, _FW_LINKED)) {
251 pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
253 pmlmepriv->cur_network.network.Ssid.Ssid,
254 pmlmepriv->cur_network.network.MacAddress,
255 pmlmepriv->cur_network.network.Ssid.SsidLength,
256 pmlmepriv->assoc_ssid.SsidLength);
258 pmlmepriv->to_roaming = 1;
260 /* s2-2. indicate disconnect to os */
261 rtw_indicate_disconnect(padapter);
263 rtw_free_assoc_resources(padapter);
265 rtw_free_network_queue(padapter, true);
267 rtw_dev_unload(padapter);
268 mutex_unlock(&pwrpriv->mutex_lock);
270 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
271 rtw_indicate_scan_done(padapter, 1);
273 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
274 rtw_indicate_disconnect(padapter);
277 pr_debug("<=== %s .............. in %dms\n", __func__,
278 jiffies_to_msecs(jiffies - start_time));
283 static int rtw_resume_process(struct adapter *padapter)
285 struct net_device *pnetdev;
286 struct pwrctrl_priv *pwrpriv = NULL;
288 unsigned long start_time = jiffies;
290 pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
293 pnetdev = padapter->pnetdev;
294 pwrpriv = &padapter->pwrctrlpriv;
299 mutex_lock(&pwrpriv->mutex_lock);
300 rtw_reset_drv_sw(padapter);
301 pwrpriv->bkeepfwalive = false;
303 pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
304 if (pm_netdev_open(pnetdev, true) != 0) {
305 mutex_unlock(&pwrpriv->mutex_lock);
309 netif_device_attach(pnetdev);
310 netif_carrier_on(pnetdev);
312 mutex_unlock(&pwrpriv->mutex_lock);
314 rtw_roaming(padapter, NULL);
319 pwrpriv->bInSuspend = false;
320 pr_debug("<=== %s return %d.............. in %dms\n", __func__,
321 ret, jiffies_to_msecs(jiffies - start_time));
326 static int rtw_resume(struct usb_interface *pusb_intf)
328 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
329 struct adapter *padapter = dvobj->if1;
331 return rtw_resume_process(padapter);
335 * drv_init() - a device potentially for us
337 * notes: drv_init() is called when the bus driver has located
338 * a card for us to support.
339 * We accept the new device by returning 0.
342 static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
343 struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
345 struct adapter *padapter = NULL;
346 struct net_device *pnetdev = NULL;
347 struct net_device *pmondev;
350 padapter = (struct adapter *)vzalloc(sizeof(*padapter));
351 if (padapter == NULL)
353 padapter->dvobj = dvobj;
354 dvobj->if1 = padapter;
356 padapter->bDriverStopped = true;
357 mutex_init(&padapter->hw_init_mutex);
359 pnetdev = rtw_init_netdev(padapter);
362 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
363 padapter = rtw_netdev_priv(pnetdev);
365 if (padapter->registrypriv.monitor_enable) {
366 pmondev = rtl88eu_mon_init();
368 netdev_warn(pnetdev, "Failed to initialize monitor interface");
369 padapter->pmondev = pmondev;
372 padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
373 if (!padapter->HalData) {
374 DBG_88E("Failed to allocate memory for HAL data\n");
378 padapter->intf_start = &usb_intf_start;
379 padapter->intf_stop = &usb_intf_stop;
381 /* step read_chip_version */
382 rtw_hal_read_chip_version(padapter);
384 /* step usb endpoint mapping */
385 rtw_hal_chip_configure(padapter);
387 /* step read efuse/eeprom data and get mac_addr */
388 rtw_hal_read_chip_info(padapter);
391 if (rtw_init_drv_sw(padapter) == _FAIL) {
392 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
393 ("Initialize driver software resource Failed!\n"));
398 if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
399 dvobj->pusbdev->do_remote_wakeup = 1;
400 pusb_intf->needs_remote_wakeup = 1;
401 device_init_wakeup(&pusb_intf->dev, 1);
402 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
403 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
404 device_may_wakeup(&pusb_intf->dev));
408 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
409 * suspend influence */
410 if (usb_autopm_get_interface(pusb_intf) < 0)
411 pr_debug("can't get autopm:\n");
413 /* alloc dev name after read efuse. */
414 rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
415 rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
416 memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
417 pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
420 /* step 6. Tell the network stack we exist */
421 if (register_netdev(pnetdev) != 0) {
422 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
426 pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
427 , padapter->bDriverStopped
428 , padapter->bSurpriseRemoved
430 , padapter->hw_init_completed
436 if (status != _SUCCESS)
437 kfree(padapter->HalData);
439 if (status != _SUCCESS) {
441 rtw_free_netdev(pnetdev);
450 static void rtw_usb_if1_deinit(struct adapter *if1)
452 struct net_device *pnetdev = if1->pnetdev;
453 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
455 if (check_fwstate(pmlmepriv, _FW_LINKED))
456 rtw_disassoc_cmd(if1, 0, false);
458 #ifdef CONFIG_88EU_AP_MODE
459 free_mlme_ap_info(if1);
463 unregister_netdev(pnetdev); /* will call netdev_close() */
465 rtl88eu_mon_deinit(if1->pmondev);
466 rtw_cancel_all_timer(if1);
469 pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
470 if1->hw_init_completed);
471 rtw_free_drv_sw(if1);
472 rtw_free_netdev(pnetdev);
475 static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
477 struct adapter *if1 = NULL;
478 struct dvobj_priv *dvobj;
480 /* Initialize dvobj_priv */
481 dvobj = usb_dvobj_init(pusb_intf);
483 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
484 ("initialize device object priv Failed!\n"));
488 if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
490 pr_debug("rtw_init_primarystruct adapter Failed!\n");
497 usb_dvobj_deinit(pusb_intf);
503 * dev_remove() - our device is being removed
505 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
506 static void rtw_dev_remove(struct usb_interface *pusb_intf)
508 struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
509 struct adapter *padapter = dvobj->if1;
511 pr_debug("+rtw_dev_remove\n");
512 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
514 if (!pusb_intf->unregistering)
515 padapter->bSurpriseRemoved = true;
517 rtw_pm_set_ips(padapter, IPS_NONE);
518 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
520 LeaveAllPowerSaveMode(padapter);
522 rtw_usb_if1_deinit(padapter);
524 usb_dvobj_deinit(pusb_intf);
526 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
527 pr_debug("-r871xu_dev_remove, done\n");
530 static struct usb_driver rtl8188e_usb_drv = {
532 .probe = rtw_drv_init,
533 .disconnect = rtw_dev_remove,
534 .id_table = rtw_usb_id_tbl,
535 .suspend = rtw_suspend,
536 .resume = rtw_resume,
537 .reset_resume = rtw_resume,
540 module_usb_driver(rtl8188e_usb_drv)