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(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
47 {} /* Terminating entry */
50 MODULE_DEVICE_TABLE(usb
, rtw_usb_id_tbl
);
52 static struct dvobj_priv
*usb_dvobj_init(struct usb_interface
*usb_intf
)
55 struct dvobj_priv
*pdvobjpriv
;
56 struct usb_host_config
*phost_conf
;
57 struct usb_config_descriptor
*pconf_desc
;
58 struct usb_host_interface
*phost_iface
;
59 struct usb_interface_descriptor
*piface_desc
;
60 struct usb_endpoint_descriptor
*pendp_desc
;
61 struct usb_device
*pusbd
;
63 pdvobjpriv
= kzalloc(sizeof(*pdvobjpriv
), GFP_KERNEL
);
67 pdvobjpriv
->pusbintf
= usb_intf
;
68 pusbd
= interface_to_usbdev(usb_intf
);
69 pdvobjpriv
->pusbdev
= pusbd
;
70 usb_set_intfdata(usb_intf
, pdvobjpriv
);
72 pdvobjpriv
->RtNumInPipes
= 0;
73 pdvobjpriv
->RtNumOutPipes
= 0;
75 phost_conf
= pusbd
->actconfig
;
76 pconf_desc
= &phost_conf
->desc
;
78 phost_iface
= &usb_intf
->altsetting
[0];
79 piface_desc
= &phost_iface
->desc
;
81 pdvobjpriv
->NumInterfaces
= pconf_desc
->bNumInterfaces
;
82 pdvobjpriv
->InterfaceNumber
= piface_desc
->bInterfaceNumber
;
84 for (i
= 0; i
< piface_desc
->bNumEndpoints
; i
++) {
87 pendp_desc
= &phost_iface
->endpoint
[i
].desc
;
89 ep_num
= usb_endpoint_num(pendp_desc
);
91 if (usb_endpoint_is_bulk_in(pendp_desc
)) {
92 pdvobjpriv
->RtInPipe
[pdvobjpriv
->RtNumInPipes
] = ep_num
;
93 pdvobjpriv
->RtNumInPipes
++;
94 } else if (usb_endpoint_is_int_in(pendp_desc
)) {
95 pdvobjpriv
->RtInPipe
[pdvobjpriv
->RtNumInPipes
] = ep_num
;
96 pdvobjpriv
->RtNumInPipes
++;
97 } else if (usb_endpoint_is_bulk_out(pendp_desc
)) {
98 pdvobjpriv
->RtOutPipe
[pdvobjpriv
->RtNumOutPipes
] =
100 pdvobjpriv
->RtNumOutPipes
++;
104 if (pusbd
->speed
== USB_SPEED_HIGH
)
105 pdvobjpriv
->ishighspeed
= true;
107 pdvobjpriv
->ishighspeed
= false;
109 mutex_init(&pdvobjpriv
->usb_vendor_req_mutex
);
115 static void usb_dvobj_deinit(struct usb_interface
*usb_intf
)
117 struct dvobj_priv
*dvobj
= usb_get_intfdata(usb_intf
);
119 usb_set_intfdata(usb_intf
, NULL
);
121 /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
122 if ((dvobj
->NumInterfaces
!= 2 &&
123 dvobj
->NumInterfaces
!= 3) ||
124 (dvobj
->InterfaceNumber
== 1)) {
125 if (interface_to_usbdev(usb_intf
)->state
!=
126 USB_STATE_NOTATTACHED
) {
127 /* If we didn't unplug usb dongle and
128 * remove/insert module, driver fails
129 * on sitesurvey for the first time when
130 * device is up . Reset usb port for sitesurvey
132 pr_debug("usb attached..., try to reset usb device\n");
133 usb_reset_device(interface_to_usbdev(usb_intf
));
137 mutex_destroy(&dvobj
->usb_vendor_req_mutex
);
141 usb_put_dev(interface_to_usbdev(usb_intf
));
145 void usb_intf_stop(struct adapter
*padapter
)
147 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("+usb_intf_stop\n"));
149 /* disable_hw_interrupt */
150 if (!padapter
->bSurpriseRemoved
) {
151 /* device still exists, so driver can do i/o operation */
153 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
,
154 ("SurpriseRemoved == false\n"));
158 rtw_hal_inirp_deinit(padapter
);
161 usb_write_port_cancel(padapter
);
163 /* todo:cancel other irps */
165 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("-usb_intf_stop\n"));
168 static void rtw_dev_unload(struct adapter
*padapter
)
170 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("+rtw_dev_unload\n"));
173 pr_debug("===> rtw_dev_unload\n");
174 padapter
->bDriverStopped
= true;
175 if (padapter
->xmitpriv
.ack_tx
)
176 rtw_ack_tx_done(&padapter
->xmitpriv
, RTW_SCTX_DONE_DRV_STOP
);
178 usb_intf_stop(padapter
);
180 if (!padapter
->pwrctrlpriv
.bInternalAutoSuspend
)
181 rtw_stop_drv_threads(padapter
);
184 if (!padapter
->bSurpriseRemoved
) {
185 rtw_hal_deinit(padapter
);
186 padapter
->bSurpriseRemoved
= true;
189 padapter
->bup
= false;
191 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
,
192 ("r871x_dev_unload():padapter->bup == false\n"));
195 pr_debug("<=== rtw_dev_unload\n");
197 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("-rtw_dev_unload\n"));
200 static int rtw_suspend(struct usb_interface
*pusb_intf
, pm_message_t message
)
202 struct dvobj_priv
*dvobj
= usb_get_intfdata(pusb_intf
);
203 struct adapter
*padapter
= dvobj
->if1
;
204 struct net_device
*pnetdev
= padapter
->pnetdev
;
205 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
206 struct pwrctrl_priv
*pwrpriv
= &padapter
->pwrctrlpriv
;
207 unsigned long start_time
= jiffies
;
209 pr_debug("==> %s (%s:%d)\n", __func__
, current
->comm
, current
->pid
);
211 if ((!padapter
->bup
) || (padapter
->bDriverStopped
) ||
212 (padapter
->bSurpriseRemoved
)) {
213 pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
214 padapter
->bup
, padapter
->bDriverStopped
,
215 padapter
->bSurpriseRemoved
);
219 pwrpriv
->bInSuspend
= true;
220 rtw_cancel_all_timer(padapter
);
221 LeaveAllPowerSaveMode(padapter
);
223 mutex_lock(&pwrpriv
->mutex_lock
);
226 netif_carrier_off(pnetdev
);
227 netif_tx_stop_all_queues(pnetdev
);
231 rtw_disassoc_cmd(padapter
, 0, false);
233 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
) &&
234 check_fwstate(pmlmepriv
, _FW_LINKED
)) {
235 pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
237 pmlmepriv
->cur_network
.network
.Ssid
.Ssid
,
238 pmlmepriv
->cur_network
.network
.MacAddress
,
239 pmlmepriv
->cur_network
.network
.Ssid
.SsidLength
,
240 pmlmepriv
->assoc_ssid
.SsidLength
);
242 pmlmepriv
->to_roaming
= 1;
244 /* s2-2. indicate disconnect to os */
245 rtw_indicate_disconnect(padapter
);
247 rtw_free_assoc_resources(padapter
);
249 rtw_free_network_queue(padapter
, true);
251 rtw_dev_unload(padapter
);
252 mutex_unlock(&pwrpriv
->mutex_lock
);
254 if (check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
))
255 rtw_indicate_scan_done(padapter
, 1);
257 if (check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
))
258 rtw_indicate_disconnect(padapter
);
261 pr_debug("<=== %s .............. in %dms\n", __func__
,
262 jiffies_to_msecs(jiffies
- start_time
));
267 static int rtw_resume_process(struct adapter
*padapter
)
269 struct net_device
*pnetdev
;
270 struct pwrctrl_priv
*pwrpriv
= NULL
;
272 unsigned long start_time
= jiffies
;
274 pr_debug("==> %s (%s:%d)\n", __func__
, current
->comm
, current
->pid
);
277 pnetdev
= padapter
->pnetdev
;
278 pwrpriv
= &padapter
->pwrctrlpriv
;
283 mutex_lock(&pwrpriv
->mutex_lock
);
284 rtw_reset_drv_sw(padapter
);
285 pwrpriv
->bkeepfwalive
= false;
287 pr_debug("bkeepfwalive(%x)\n", pwrpriv
->bkeepfwalive
);
288 if (netdev_open(pnetdev
) != 0) {
289 mutex_unlock(&pwrpriv
->mutex_lock
);
293 netif_device_attach(pnetdev
);
294 netif_carrier_on(pnetdev
);
296 mutex_unlock(&pwrpriv
->mutex_lock
);
298 rtw_roaming(padapter
, NULL
);
303 pwrpriv
->bInSuspend
= false;
304 pr_debug("<=== %s return %d.............. in %dms\n", __func__
,
305 ret
, jiffies_to_msecs(jiffies
- start_time
));
310 static int rtw_resume(struct usb_interface
*pusb_intf
)
312 struct dvobj_priv
*dvobj
= usb_get_intfdata(pusb_intf
);
313 struct adapter
*padapter
= dvobj
->if1
;
315 return rtw_resume_process(padapter
);
319 * drv_init() - a device potentially for us
321 * notes: drv_init() is called when the bus driver has located
322 * a card for us to support.
323 * We accept the new device by returning 0.
326 static struct adapter
*rtw_usb_if1_init(struct dvobj_priv
*dvobj
,
327 struct usb_interface
*pusb_intf
, const struct usb_device_id
*pdid
)
329 struct adapter
*padapter
= NULL
;
330 struct net_device
*pnetdev
= NULL
;
331 struct net_device
*pmondev
;
334 padapter
= (struct adapter
*)vzalloc(sizeof(*padapter
));
335 if (padapter
== NULL
)
337 padapter
->dvobj
= dvobj
;
338 dvobj
->if1
= padapter
;
340 padapter
->bDriverStopped
= true;
341 mutex_init(&padapter
->hw_init_mutex
);
343 pnetdev
= rtw_init_netdev(padapter
);
346 SET_NETDEV_DEV(pnetdev
, dvobj_to_dev(dvobj
));
347 padapter
= rtw_netdev_priv(pnetdev
);
349 if (padapter
->registrypriv
.monitor_enable
) {
350 pmondev
= rtl88eu_mon_init();
352 netdev_warn(pnetdev
, "Failed to initialize monitor interface");
353 padapter
->pmondev
= pmondev
;
356 padapter
->HalData
= kzalloc(sizeof(struct hal_data_8188e
), GFP_KERNEL
);
357 if (!padapter
->HalData
)
358 DBG_88E("cant not alloc memory for HAL DATA\n");
360 /* step read_chip_version */
361 rtw_hal_read_chip_version(padapter
);
363 /* step usb endpoint mapping */
364 rtw_hal_chip_configure(padapter
);
366 /* step read efuse/eeprom data and get mac_addr */
367 rtw_hal_read_chip_info(padapter
);
370 if (rtw_init_drv_sw(padapter
) == _FAIL
) {
371 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
,
372 ("Initialize driver software resource Failed!\n"));
377 if (padapter
->pwrctrlpriv
.bSupportRemoteWakeup
) {
378 dvobj
->pusbdev
->do_remote_wakeup
= 1;
379 pusb_intf
->needs_remote_wakeup
= 1;
380 device_init_wakeup(&pusb_intf
->dev
, 1);
381 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
382 pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
383 device_may_wakeup(&pusb_intf
->dev
));
387 /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
388 * suspend influence */
389 if (usb_autopm_get_interface(pusb_intf
) < 0)
390 pr_debug("can't get autopm:\n");
392 /* alloc dev name after read efuse. */
393 rtw_init_netdev_name(pnetdev
, padapter
->registrypriv
.ifname
);
394 rtw_macaddr_cfg(padapter
->eeprompriv
.mac_addr
);
395 memcpy(pnetdev
->dev_addr
, padapter
->eeprompriv
.mac_addr
, ETH_ALEN
);
396 pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
399 /* step 6. Tell the network stack we exist */
400 if (register_netdev(pnetdev
) != 0) {
401 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("register_netdev() failed\n"));
405 pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
406 , padapter
->bDriverStopped
407 , padapter
->bSurpriseRemoved
409 , padapter
->hw_init_completed
415 if (status
!= _SUCCESS
)
416 kfree(padapter
->HalData
);
418 if (status
!= _SUCCESS
) {
420 rtw_free_netdev(pnetdev
);
429 static void rtw_usb_if1_deinit(struct adapter
*if1
)
431 struct net_device
*pnetdev
= if1
->pnetdev
;
432 struct mlme_priv
*pmlmepriv
= &if1
->mlmepriv
;
434 if (check_fwstate(pmlmepriv
, _FW_LINKED
))
435 rtw_disassoc_cmd(if1
, 0, false);
437 #ifdef CONFIG_88EU_AP_MODE
438 free_mlme_ap_info(if1
);
442 unregister_netdev(pnetdev
); /* will call netdev_close() */
444 rtl88eu_mon_deinit(if1
->pmondev
);
445 rtw_cancel_all_timer(if1
);
448 pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
449 if1
->hw_init_completed
);
450 rtw_free_drv_sw(if1
);
451 rtw_free_netdev(pnetdev
);
454 static int rtw_drv_init(struct usb_interface
*pusb_intf
, const struct usb_device_id
*pdid
)
456 struct adapter
*if1
= NULL
;
457 struct dvobj_priv
*dvobj
;
459 /* Initialize dvobj_priv */
460 dvobj
= usb_dvobj_init(pusb_intf
);
462 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
,
463 ("initialize device object priv Failed!\n"));
467 if1
= rtw_usb_if1_init(dvobj
, pusb_intf
, pdid
);
469 pr_debug("rtw_init_primarystruct adapter Failed!\n");
476 usb_dvobj_deinit(pusb_intf
);
482 * dev_remove() - our device is being removed
484 /* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
485 static void rtw_dev_remove(struct usb_interface
*pusb_intf
)
487 struct dvobj_priv
*dvobj
= usb_get_intfdata(pusb_intf
);
488 struct adapter
*padapter
= dvobj
->if1
;
490 pr_debug("+rtw_dev_remove\n");
491 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("+dev_remove()\n"));
493 if (!pusb_intf
->unregistering
)
494 padapter
->bSurpriseRemoved
= true;
496 rtw_pm_set_ips(padapter
, IPS_NONE
);
497 rtw_pm_set_lps(padapter
, PS_MODE_ACTIVE
);
499 LeaveAllPowerSaveMode(padapter
);
501 rtw_usb_if1_deinit(padapter
);
503 usb_dvobj_deinit(pusb_intf
);
505 RT_TRACE(_module_hci_intfs_c_
, _drv_err_
, ("-dev_remove()\n"));
506 pr_debug("-r871xu_dev_remove, done\n");
509 static struct usb_driver rtl8188e_usb_drv
= {
511 .probe
= rtw_drv_init
,
512 .disconnect
= rtw_dev_remove
,
513 .id_table
= rtw_usb_id_tbl
,
514 .suspend
= rtw_suspend
,
515 .resume
= rtw_resume
,
516 .reset_resume
= rtw_resume
,
519 module_usb_driver(rtl8188e_usb_drv
)