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[android-x86/external-modules-rtl8723au.git] / core / rtw_pwrctrl.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4  *
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.
8  *
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
12  * more details.
13  *
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
17  *
18  *
19  ******************************************************************************/
20 #define _RTW_PWRCTRL_C_
21
22 #include <drv_conf.h>
23 #include <osdep_service.h>
24 #include <drv_types.h>
25 #include <osdep_intf.h>
26
27 #ifdef CONFIG_BT_COEXIST
28 #include <rtl8723a_hal.h>
29 #endif
30
31 #ifdef CONFIG_IPS
32 void ips_enter(_adapter * padapter)
33 {
34         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
35
36         down(&pwrpriv->lock);
37
38         pwrpriv->bips_processing = _TRUE;
39
40         /*  syn ips_mode with request */
41         pwrpriv->ips_mode = pwrpriv->ips_mode_req;
42
43         pwrpriv->ips_enter_cnts++;
44         DBG_8723A("==>ips_enter cnts:%d\n",pwrpriv->ips_enter_cnts);
45 #ifdef CONFIG_BT_COEXIST
46         BTDM_TurnOffBtCoexistBeforeEnterIPS(padapter);
47 #endif
48         if(rf_off == pwrpriv->change_rfpwrstate )
49         {
50                 pwrpriv->bpower_saving = _TRUE;
51                 DBG_8723A_LEVEL(_drv_always_, "nolinked power save enter\n");
52
53                 if(pwrpriv->ips_mode == IPS_LEVEL_2)
54                         pwrpriv->bkeepfwalive = _TRUE;
55
56                 rtw_ips_pwr_down(padapter);
57                 pwrpriv->rf_pwrstate = rf_off;
58         }
59         pwrpriv->bips_processing = _FALSE;
60
61         up(&pwrpriv->lock);
62 }
63
64 int ips_leave(_adapter * padapter)
65 {
66         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
67         struct security_priv* psecuritypriv=&(padapter->securitypriv);
68         struct mlme_priv                *pmlmepriv = &(padapter->mlmepriv);
69         int result = _SUCCESS;
70         int keyid;
71
72         down(&pwrpriv->lock);
73
74         if((pwrpriv->rf_pwrstate == rf_off) &&(!pwrpriv->bips_processing))
75         {
76                 pwrpriv->bips_processing = _TRUE;
77                 pwrpriv->change_rfpwrstate = rf_on;
78                 pwrpriv->ips_leave_cnts++;
79                 DBG_8723A("==>ips_leave cnts:%d\n",pwrpriv->ips_leave_cnts);
80
81                 if ((result = rtw_ips_pwr_up(padapter)) == _SUCCESS) {
82                         pwrpriv->rf_pwrstate = rf_on;
83                 }
84                 DBG_8723A_LEVEL(_drv_always_, "nolinked power save leave\n");
85
86                 if((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) ||(_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm))
87                 {
88                         DBG_8723A("==>%s,channel(%d),processing(%x)\n",__FUNCTION__,padapter->mlmeextpriv.cur_channel,pwrpriv->bips_processing);
89                         set_channel_bwmode(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
90                         for(keyid=0;keyid<4;keyid++){
91                                 if(pmlmepriv->key_mask & BIT(keyid)){
92                                         if(keyid == psecuritypriv->dot11PrivacyKeyIndex)
93                                                 result=rtw_set_key(padapter,psecuritypriv, keyid, 1);
94                                         else
95                                                 result=rtw_set_key(padapter,psecuritypriv, keyid, 0);
96                                 }
97                         }
98                 }
99
100                 DBG_8723A("==> ips_leave.....LED(0x%08x)...\n",rtw_read32(padapter,0x4c));
101                 pwrpriv->bips_processing = _FALSE;
102
103                 pwrpriv->bkeepfwalive = _FALSE;
104                 pwrpriv->bpower_saving = _FALSE;
105         }
106
107         up(&pwrpriv->lock);
108
109         return result;
110 }
111
112 #endif
113
114 #ifdef CONFIG_AUTOSUSPEND
115 extern void autosuspend_enter(_adapter* padapter);
116 extern int autoresume_enter(_adapter* padapter);
117 #endif
118
119 #ifdef SUPPORT_HW_RFOFF_DETECTED
120 int rtw_hw_suspend(_adapter *padapter );
121 int rtw_hw_resume(_adapter *padapter);
122 #endif
123
124 static bool rtw_pwr_unassociated_idle(_adapter *adapter)
125 {
126         _adapter *buddy = adapter->pbuddy_adapter;
127         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
128         struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
129 #ifdef CONFIG_P2P
130         struct wifidirect_info  *pwdinfo = &(adapter->wdinfo);
131 #ifdef CONFIG_IOCTL_CFG80211
132         struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &adapter->cfg80211_wdinfo;
133 #endif
134 #endif
135
136         bool ret = _FALSE;
137
138         if (adapter->pwrctrlpriv.ips_deny_time >= rtw_get_current_time())
139                 goto exit;
140
141         if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
142                 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
143                 || check_fwstate(pmlmepriv, WIFI_AP_STATE)
144                 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
145                 #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
146                 || pcfg80211_wdinfo->is_ro_ch
147                 #elif defined(CONFIG_P2P)
148                 || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)
149                 #endif
150         ) {
151                 goto exit;
152         }
153
154         /* consider buddy, if exist */
155         if (buddy) {
156                 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
157                 #ifdef CONFIG_P2P
158                 struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
159                 #ifdef CONFIG_IOCTL_CFG80211
160                 struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
161                 #endif
162                 #endif
163
164                 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
165                         || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
166                         || check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
167                         || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
168                         #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
169                         || b_pcfg80211_wdinfo->is_ro_ch
170                         #elif defined(CONFIG_P2P)
171                         || !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
172                         #endif
173                 ) {
174                         goto exit;
175                 }
176         }
177
178 #ifdef CONFIG_INTEL_PROXIM
179         if(adapter->proximity.proxim_on==_TRUE){
180                 return;
181         }
182 #endif
183
184         if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
185                 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
186                 DBG_8723A_LEVEL(_drv_always_, "There are some pkts to transmit\n");
187                 DBG_8723A_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
188                         pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
189                 goto exit;
190         }
191
192         ret = _TRUE;
193
194 exit:
195         return ret;
196 }
197
198 void rtw_ps_processor(_adapter*padapter)
199 {
200 #ifdef CONFIG_P2P
201         struct wifidirect_info  *pwdinfo = &( padapter->wdinfo );
202 #endif /* CONFIG_P2P */
203         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
204         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
205 #ifdef SUPPORT_HW_RFOFF_DETECTED
206         rt_rf_power_state rfpwrstate;
207 #endif /* SUPPORT_HW_RFOFF_DETECTED */
208
209         pwrpriv->ps_processing = _TRUE;
210
211 #ifdef SUPPORT_HW_RFOFF_DETECTED
212         if(pwrpriv->bips_processing == _TRUE)
213                 goto exit;
214
215         if(padapter->pwrctrlpriv.bHWPwrPindetect)
216         {
217         #ifdef CONFIG_AUTOSUSPEND
218                 if(padapter->registrypriv.usbss_enable)
219                 {
220                         if(pwrpriv->rf_pwrstate == rf_on)
221                         {
222                                 if(padapter->net_closed == _TRUE)
223                                         pwrpriv->ps_flag = _TRUE;
224
225                                 rfpwrstate = RfOnOffDetect(padapter);
226                                 DBG_8723A("@@@@- #1  %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
227                                 if(rfpwrstate!= pwrpriv->rf_pwrstate)
228                                 {
229                                         if(rfpwrstate == rf_off)
230                                         {
231                                                 pwrpriv->change_rfpwrstate = rf_off;
232
233                                                 pwrpriv->bkeepfwalive = _TRUE;
234                                                 pwrpriv->brfoffbyhw = _TRUE;
235
236                                                 autosuspend_enter(padapter);
237                                         }
238                                 }
239                         }
240                 }
241                 else
242         #endif /* CONFIG_AUTOSUSPEND */
243                 {
244                         rfpwrstate = RfOnOffDetect(padapter);
245                         DBG_8723A("@@@@- #2  %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
246
247                         if(rfpwrstate!= pwrpriv->rf_pwrstate)
248                         {
249                                 if(rfpwrstate == rf_off)
250                                 {
251                                         pwrpriv->change_rfpwrstate = rf_off;
252                                         pwrpriv->brfoffbyhw = _TRUE;
253                                         padapter->bCardDisableWOHSM = _TRUE;
254                                         rtw_hw_suspend(padapter );
255                                 }
256                                 else
257                                 {
258                                         pwrpriv->change_rfpwrstate = rf_on;
259                                         rtw_hw_resume(padapter );
260                                 }
261                                 DBG_8723A("current rf_pwrstate(%s)\n",(pwrpriv->rf_pwrstate == rf_off)?"rf_off":"rf_on");
262                         }
263                 }
264                 pwrpriv->pwr_state_check_cnts ++;
265         }
266 #endif /* SUPPORT_HW_RFOFF_DETECTED */
267
268         if (pwrpriv->ips_mode_req == IPS_NONE
269                 #ifdef CONFIG_CONCURRENT_MODE
270                 || padapter->pbuddy_adapter->pwrctrlpriv.ips_mode_req == IPS_NONE
271                 #endif
272         )
273                 goto exit;
274
275         if (rtw_pwr_unassociated_idle(padapter) == _FALSE)
276                 goto exit;
277
278         if((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4)==0))
279         {
280                 DBG_8723A("==>%s .fw_state(%x)\n",__FUNCTION__,get_fwstate(pmlmepriv));
281                 #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
282                 #else
283                 pwrpriv->change_rfpwrstate = rf_off;
284                 #endif
285                 #ifdef CONFIG_AUTOSUSPEND
286                 if(padapter->registrypriv.usbss_enable)
287                 {
288                         if(pwrpriv->bHWPwrPindetect)
289                                 pwrpriv->bkeepfwalive = _TRUE;
290
291                         if(padapter->net_closed == _TRUE)
292                                 pwrpriv->ps_flag = _TRUE;
293
294                         #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
295                         if (_TRUE==pwrpriv->bInternalAutoSuspend) {
296                                 DBG_8723A("<==%s .pwrpriv->bInternalAutoSuspend)(%x)\n",__FUNCTION__,pwrpriv->bInternalAutoSuspend);
297                         } else {
298                                 pwrpriv->change_rfpwrstate = rf_off;
299                                 padapter->bCardDisableWOHSM = _TRUE;
300                                 DBG_8723A("<==%s .pwrpriv->bInternalAutoSuspend)(%x) call autosuspend_enter\n",__FUNCTION__,pwrpriv->bInternalAutoSuspend);
301                                 autosuspend_enter(padapter);
302                         }
303                         #else
304                         padapter->bCardDisableWOHSM = _TRUE;
305                         autosuspend_enter(padapter);
306                         #endif  /* if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
307                 }
308                 else if(pwrpriv->bHWPwrPindetect)
309                 {
310                 }
311                 else
312                 #endif /* CONFIG_AUTOSUSPEND */
313                 {
314                         #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
315                         pwrpriv->change_rfpwrstate = rf_off;
316                         #endif  /* defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
317
318                         #ifdef CONFIG_IPS
319                         ips_enter(padapter);
320                         #endif
321                 }
322         }
323 exit:
324         rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
325         pwrpriv->ps_processing = _FALSE;
326         return;
327 }
328
329 void pwr_state_check_handler(void *FunctionContext);
330 void pwr_state_check_handler(void *FunctionContext)
331 {
332         _adapter *padapter = (_adapter *)FunctionContext;
333         rtw_ps_cmd(padapter);
334 }
335
336 #ifdef CONFIG_LPS
337 /*
338  *
339  * Parameters
340  *      padapter
341  *      pslv                    power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
342  *
343  */
344 void rtw_set_rpwm(PADAPTER padapter, u8 pslv)
345 {
346         u8      rpwm;
347         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
348
349 _func_enter_;
350
351         pslv = PS_STATE(pslv);
352
353         if (_TRUE == pwrpriv->btcoex_rfon)
354         {
355                 if (pslv < PS_STATE_S4)
356                         pslv = PS_STATE_S3;
357         }
358
359 #ifdef CONFIG_LPS_RPWM_TIMER
360         if (pwrpriv->brpwmtimeout == _TRUE)
361         {
362                 DBG_8723A("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __FUNCTION__, pslv);
363         }
364         else
365 #endif /*  CONFIG_LPS_RPWM_TIMER */
366         {
367         if ( (pwrpriv->rpwm == pslv)
368 #ifdef CONFIG_LPS_LCLK
369                 || ((pwrpriv->rpwm >= PS_STATE_S2)&&(pslv >= PS_STATE_S2))
370 #endif
371                 )
372         {
373                 RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,
374                         ("%s: Already set rpwm[0x%02X], new=0x%02X!\n", __FUNCTION__, pwrpriv->rpwm, pslv));
375                 return;
376         }
377         }
378
379         if ((padapter->bSurpriseRemoved == _TRUE) ||
380                 (padapter->hw_init_completed == _FALSE))
381         {
382                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
383                                  ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
384                                   __FUNCTION__, padapter->bSurpriseRemoved, padapter->hw_init_completed));
385
386                 pwrpriv->cpwm = PS_STATE_S4;
387
388                 return;
389         }
390
391         if (padapter->bDriverStopped == _TRUE)
392         {
393                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
394                                  ("%s: change power state(0x%02X) when DriverStopped\n", __FUNCTION__, pslv));
395
396                 if (pslv < PS_STATE_S2) {
397                         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
398                                          ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __FUNCTION__, pslv));
399                         return;
400                 }
401         }
402
403         rpwm = pslv | pwrpriv->tog;
404 #ifdef CONFIG_LPS_LCLK
405         /*  only when from PS_STATE S0/S1 to S2 and higher needs ACK */
406         if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2))
407                 rpwm |= PS_ACK;
408 #endif
409         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
410                          ("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm));
411
412         pwrpriv->rpwm = pslv;
413
414 #ifdef CONFIG_LPS_RPWM_TIMER
415         if (rpwm & PS_ACK)
416                 _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS);
417 #endif /*  CONFIG_LPS_RPWM_TIMER */
418         rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
419
420         pwrpriv->tog += 0x80;
421
422 #ifdef CONFIG_LPS_LCLK
423         /*  No LPS 32K, No Ack */
424         if (!(rpwm & PS_ACK))
425 #endif
426         {
427                 pwrpriv->cpwm = pslv;
428         }
429
430 _func_exit_;
431 }
432
433 u8 PS_RDY_CHECK(_adapter * padapter);
434 u8 PS_RDY_CHECK(_adapter * padapter)
435 {
436         u32 curr_time, delta_time;
437         struct pwrctrl_priv     *pwrpriv = &padapter->pwrctrlpriv;
438         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
439
440         curr_time = rtw_get_current_time();
441         delta_time = curr_time -pwrpriv->DelayLPSLastTimeStamp;
442
443         if(delta_time < LPS_DELAY_TIME)
444         {
445                 return _FALSE;
446         }
447
448         if ((check_fwstate(pmlmepriv, _FW_LINKED) == _FALSE) ||
449                 (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) ||
450                 (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) ||
451                 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) ||
452                 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) )
453                 return _FALSE;
454 #ifdef CONFIG_WOWLAN
455         if(_TRUE == pwrpriv->bInSuspend && pwrpriv->wowlan_mode)
456                 return _TRUE;
457         else
458                 return _FALSE;
459 #else
460         if(_TRUE == pwrpriv->bInSuspend )
461                 return _FALSE;
462 #endif
463         if( (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == _FALSE) )
464         {
465                 DBG_8723A("Group handshake still in progress !!!\n");
466                 return _FALSE;
467         }
468 #ifdef CONFIG_IOCTL_CFG80211
469         if (!rtw_cfg80211_pwr_mgmt(padapter))
470                 return _FALSE;
471 #endif
472
473         return _TRUE;
474 }
475
476 void rtw_set_ps_mode(PADAPTER padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode)
477 {
478         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
479 #ifdef CONFIG_P2P
480         struct wifidirect_info  *pwdinfo = &( padapter->wdinfo );
481 #endif /* CONFIG_P2P */
482 #ifdef CONFIG_TDLS
483         struct sta_priv *pstapriv = &padapter->stapriv;
484         _irqL irqL;
485         int i, j;
486         _list   *plist, *phead;
487         struct sta_info *ptdls_sta;
488 #endif /* CONFIG_TDLS */
489
490 _func_enter_;
491
492         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
493                          ("%s: PowerMode=%d Smart_PS=%d\n",
494                           __FUNCTION__, ps_mode, smart_ps));
495
496         if(ps_mode > PM_Card_Disable) {
497                 RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,("ps_mode:%d error\n", ps_mode));
498                 return;
499         }
500
501         if (pwrpriv->pwr_mode == ps_mode)
502         {
503                 if (PS_MODE_ACTIVE == ps_mode) return;
504
505                 if ((pwrpriv->smart_ps == smart_ps) &&
506                         (pwrpriv->bcn_ant_mode == bcn_ant_mode))
507                 {
508                         return;
509                 }
510         }
511
512 #ifdef CONFIG_LPS_LCLK
513         down(&pwrpriv->lock);
514 #endif
515
516         /* if(pwrpriv->pwr_mode == PS_MODE_ACTIVE) */
517         if(ps_mode == PS_MODE_ACTIVE)
518         {
519 #ifdef CONFIG_P2P_PS
520                 if(pwdinfo->opp_ps == 0)
521 #endif /* CONFIG_P2P_PS */
522                 {
523                         DBG_8723A("rtw_set_ps_mode: Leave 802.11 power save\n");
524
525 #ifdef CONFIG_TDLS
526                         spin_lock_bh(&pstapriv->sta_hash_lock);
527
528                         for(i=0; i< NUM_STA; i++)
529                         {
530                                 phead = &(pstapriv->sta_hash[i]);
531                                 plist = get_next(phead);
532
533                                 while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
534                                 {
535                                         ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
536
537                                         if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
538                                                 issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta, 0);
539                                         plist = get_next(plist);
540                                 }
541                         }
542
543                         spin_unlock_bh(&pstapriv->sta_hash_lock);
544 #endif /* CONFIG_TDLS */
545
546                         pwrpriv->pwr_mode = ps_mode;
547                         rtw_set_rpwm(padapter, PS_STATE_S4);
548                         rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
549                         pwrpriv->bFwCurrentInPSMode = _FALSE;
550                 }
551         }
552         else
553         {
554                 if (PS_RDY_CHECK(padapter)
555 #ifdef CONFIG_BT_COEXIST
556                         || (BT_1Ant(padapter) == _TRUE)
557 #endif
558                         )
559                 {
560                         DBG_8723A("%s: Enter 802.11 power save\n", __FUNCTION__);
561
562 #ifdef CONFIG_TDLS
563                         spin_lock_bh(&pstapriv->sta_hash_lock);
564
565                         for(i=0; i< NUM_STA; i++)
566                         {
567                                 phead = &(pstapriv->sta_hash[i]);
568                                 plist = get_next(phead);
569
570                                 while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
571                                 {
572                                         ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
573
574                                         if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
575                                                 issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta, 1);
576                                         plist = get_next(plist);
577                                 }
578                         }
579
580                         spin_unlock_bh(&pstapriv->sta_hash_lock);
581 #endif /* CONFIG_TDLS */
582
583                         pwrpriv->bFwCurrentInPSMode = _TRUE;
584                         pwrpriv->pwr_mode = ps_mode;
585                         pwrpriv->smart_ps = smart_ps;
586                         pwrpriv->bcn_ant_mode = bcn_ant_mode;
587                         rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
588
589 #ifdef CONFIG_P2P_PS
590                         /*  Set CTWindow after LPS */
591                         if(pwdinfo->opp_ps == 1)
592                                 p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
593 #endif /* CONFIG_P2P_PS */
594
595 #ifdef CONFIG_LPS_LCLK
596                         if (pwrpriv->alives == 0)
597                                 rtw_set_rpwm(padapter, PS_STATE_S0);
598 #else
599                         rtw_set_rpwm(padapter, PS_STATE_S2);
600 #endif
601                 }
602         }
603
604 #ifdef CONFIG_LPS_LCLK
605         up(&pwrpriv->lock);
606 #endif
607
608 _func_exit_;
609 }
610
611 /*
612  * Return:
613  *      0:      Leave OK
614  *      -1:     Timeout
615  *      -2:     Other error
616  */
617 s32 LPS_RF_ON_check(PADAPTER padapter, u32 delay_ms)
618 {
619         u32 start_time;
620         u8 bAwake = _FALSE;
621         s32 err = 0;
622
623         start_time = rtw_get_current_time();
624         while (1)
625         {
626                 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
627                 if (_TRUE == bAwake)
628                         break;
629
630                 if (_TRUE == padapter->bSurpriseRemoved)
631                 {
632                         err = -2;
633                         DBG_8723A("%s: device surprise removed!!\n", __FUNCTION__);
634                         break;
635                 }
636
637                 if (rtw_get_passing_time_ms(start_time) > delay_ms)
638                 {
639                         err = -1;
640                         DBG_8723A("%s: Wait for FW LPS leave more than %u ms!!!\n", __FUNCTION__, delay_ms);
641                         break;
642                 }
643                 rtw_usleep_os(100);
644         }
645
646         return err;
647 }
648
649 /*  */
650 /*      Description: */
651 /*              Enter the leisure power save mode. */
652 /*  */
653 void LPS_Enter(PADAPTER padapter)
654 {
655         struct pwrctrl_priv     *pwrpriv = &padapter->pwrctrlpriv;
656         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
657         _adapter *buddy = padapter->pbuddy_adapter;
658
659 _func_enter_;
660
661 /*      DBG_8723A("+LeisurePSEnter\n"); */
662
663 #ifdef CONFIG_CONCURRENT_MODE
664         if (padapter->iface_type != IFACE_PORT0)
665                 return; /* Skip power saving for concurrent mode port 1*/
666
667         /* consider buddy, if exist */
668         if (buddy) {
669                 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
670                 #ifdef CONFIG_P2P
671                 struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
672                 #ifdef CONFIG_IOCTL_CFG80211
673                 struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
674                 #endif
675                 #endif
676
677                 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
678                         || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
679                         || check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
680                         || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
681                         #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
682                         || b_pcfg80211_wdinfo->is_ro_ch
683                         #elif defined(CONFIG_P2P)
684                         || !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
685                         #endif
686                         || rtw_is_scan_deny(buddy)
687                 ) {
688                         return;
689                 }
690         }
691 #endif
692
693         if (PS_RDY_CHECK(padapter) == _FALSE)
694                 return;
695
696         if (_TRUE == pwrpriv->bLeisurePs)
697         {
698                 /*  Idle for a while if we connect to AP a while ago. */
699                 if(pwrpriv->LpsIdleCount >= 2) /*   4 Sec */
700                 {
701                         if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
702                         {
703                                 pwrpriv->bpower_saving = _TRUE;
704                                 DBG_8723A("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps);
705                                 /* For Tenda W311R IOT issue */
706                                 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0);
707                         }
708                 }
709                 else
710                         pwrpriv->LpsIdleCount++;
711         }
712
713 /*      DBG_8723A("-LeisurePSEnter\n"); */
714
715 _func_exit_;
716 }
717
718 /*  */
719 /*      Description: */
720 /*              Leave the leisure power save mode. */
721 /*  */
722 void LPS_Leave(PADAPTER padapter)
723 {
724 #define LPS_LEAVE_TIMEOUT_MS 100
725
726         struct pwrctrl_priv     *pwrpriv = &padapter->pwrctrlpriv;
727         u32 start_time;
728         u8 bAwake = _FALSE;
729
730 _func_enter_;
731
732 #ifdef CONFIG_CONCURRENT_MODE
733         if (padapter->iface_type != IFACE_PORT0)
734                 return; /* Skip power saving for concurrent mode port 1*/
735 #endif
736
737 /*      DBG_8723A("+LeisurePSLeave\n"); */
738
739         if (pwrpriv->bLeisurePs)
740         {
741                 if(pwrpriv->pwr_mode != PS_MODE_ACTIVE)
742                 {
743                         rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0);
744
745                         if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
746                                 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
747                 }
748         }
749
750         pwrpriv->bpower_saving = _FALSE;
751
752 /*      DBG_8723A("-LeisurePSLeave\n"); */
753
754 _func_exit_;
755 }
756 #endif
757
758 /*  */
759 /*  Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
760 /*  Move code to function by tynli. 2010.03.26. */
761 /*  */
762 void LeaveAllPowerSaveMode(PADAPTER Adapter)
763 {
764         struct mlme_priv        *pmlmepriv = &(Adapter->mlmepriv);
765         u8      enqueue = 0;
766
767 _func_enter_;
768
769         /* DBG_8723A("%s.....\n",__FUNCTION__); */
770         if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
771         { /* connect */
772 #ifdef CONFIG_LPS_LCLK
773                 enqueue = 1;
774 #endif
775
776 #ifdef CONFIG_P2P_PS
777                 p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue);
778 #endif /* CONFIG_P2P_PS */
779
780 #ifdef CONFIG_LPS
781                 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
782 #endif
783
784 #ifdef CONFIG_LPS_LCLK
785                 LPS_Leave_check(Adapter);
786 #endif
787         }
788         else
789         {
790                 if(Adapter->pwrctrlpriv.rf_pwrstate== rf_off)
791                 {
792                         #ifdef CONFIG_AUTOSUSPEND
793                         if(Adapter->registrypriv.usbss_enable)
794                         {
795 #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
796                                 usb_disable_autosuspend(adapter_to_dvobj(Adapter)->pusbdev);
797 #else
798                                 adapter_to_dvobj(Adapter)->pusbdev->autosuspend_disabled = Adapter->bDisableAutosuspend;/* autosuspend disabled by the user */
799 #endif
800                         }
801                         else
802                         #endif
803                         {
804                         }
805                 }
806         }
807
808 _func_exit_;
809 }
810
811 #ifdef CONFIG_LPS_LCLK
812 void LPS_Leave_check(
813         PADAPTER padapter)
814 {
815         struct pwrctrl_priv *pwrpriv;
816         u32     start_time;
817         u8      bReady;
818
819 _func_enter_;
820
821         pwrpriv = &padapter->pwrctrlpriv;
822
823         bReady = _FALSE;
824         start_time = rtw_get_current_time();
825
826         rtw_yield_os();
827
828         while(1)
829         {
830                 _enter_pwrlock(&pwrpriv->lock);
831
832                 if ((padapter->bSurpriseRemoved == _TRUE)
833                         || (padapter->hw_init_completed == _FALSE)
834                         || (padapter->bDriverStopped== _TRUE)
835                         || (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
836                         )
837                 {
838                         bReady = _TRUE;
839                 }
840
841                 _exit_pwrlock(&pwrpriv->lock);
842
843                 if(_TRUE == bReady)
844                         break;
845
846                 if(rtw_get_passing_time_ms(start_time)>100)
847                 {
848                         DBG_8723A("Wait for cpwm event  than 100 ms!!!\n");
849                         break;
850                 }
851                 rtw_msleep_os(1);
852         }
853
854 _func_exit_;
855 }
856
857 /*
858  * Caller:ISR handler...
859  *
860  * This will be called when CPWM interrupt is up.
861  *
862  * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
863  */
864 void cpwm_int_hdl(
865         PADAPTER padapter,
866         struct reportpwrstate_parm *preportpwrstate)
867 {
868         struct pwrctrl_priv *pwrpriv;
869
870 _func_enter_;
871
872         pwrpriv = &padapter->pwrctrlpriv;
873
874         _enter_pwrlock(&pwrpriv->lock);
875
876 #ifdef CONFIG_LPS_RPWM_TIMER
877         if (pwrpriv->rpwm < PS_STATE_S2)
878         {
879                 DBG_8723A("%s: Redundant CPWM Int. RPWM=0x%02X CPWM=0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
880                 _exit_pwrlock(&pwrpriv->lock);
881                 goto exit;
882         }
883 #endif /*  CONFIG_LPS_RPWM_TIMER */
884
885         pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
886         pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
887
888         if (pwrpriv->cpwm >= PS_STATE_S2)
889         {
890                 if (pwrpriv->alives & CMD_ALIVE)
891                         up(&padapter->cmdpriv.cmd_queue_sema);
892
893                 if (pwrpriv->alives & XMIT_ALIVE)
894                         up(&padapter->xmitpriv.xmit_sema);
895         }
896
897         _exit_pwrlock(&pwrpriv->lock);
898
899 exit:
900         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
901                          ("cpwm_int_hdl: cpwm=0x%02x\n", pwrpriv->cpwm));
902
903 _func_exit_;
904 }
905
906 static void cpwm_event_callback(struct work_struct *work)
907 {
908         struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event);
909         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
910         struct reportpwrstate_parm report;
911
912         /* DBG_8723A("%s\n",__FUNCTION__); */
913
914         report.state = PS_STATE_S2;
915         cpwm_int_hdl(adapter, &report);
916 }
917
918 #ifdef CONFIG_LPS_RPWM_TIMER
919 static void rpwmtimeout_workitem_callback(struct work_struct *work)
920 {
921         PADAPTER padapter;
922         struct pwrctrl_priv *pwrpriv;
923
924         pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
925         padapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
926 /*      DBG_8723A("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
927
928         _enter_pwrlock(&pwrpriv->lock);
929         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
930         {
931                 DBG_8723A("%s: rpwm=0x%02X cpwm=0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
932                 goto exit;
933         }
934         _exit_pwrlock(&pwrpriv->lock);
935
936         if (rtw_read8(padapter, 0x100) != 0xEA)
937         {
938 #if 1
939                 struct reportpwrstate_parm report;
940
941                 report.state = PS_STATE_S2;
942                 DBG_8723A("\n%s: FW already leave 32K!\n\n", __func__);
943                 cpwm_int_hdl(padapter, &report);
944 #else
945                 DBG_8723A("\n%s: FW already leave 32K!\n\n", __func__);
946                 cpwm_event_callback(&pwrpriv->cpwm_event);
947 #endif
948                 return;
949         }
950
951         _enter_pwrlock(&pwrpriv->lock);
952
953         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
954         {
955                 DBG_8723A("%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
956                 goto exit;
957         }
958         pwrpriv->brpwmtimeout = _TRUE;
959         rtw_set_rpwm(padapter, pwrpriv->rpwm);
960         pwrpriv->brpwmtimeout = _FALSE;
961
962 exit:
963         _exit_pwrlock(&pwrpriv->lock);
964 }
965
966 /*
967  * This function is a timer handler, can't do any IO in it.
968  */
969 static void pwr_rpwm_timeout_handler(void *FunctionContext)
970 {
971         PADAPTER padapter;
972         struct pwrctrl_priv *pwrpriv;
973
974         padapter = (PADAPTER)FunctionContext;
975         pwrpriv = &padapter->pwrctrlpriv;
976 /*      DBG_8723A("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
977
978         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
979         {
980                 DBG_8723A("+%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
981                 return;
982         }
983
984         _set_workitem(&pwrpriv->rpwmtimeoutwi);
985 }
986 #endif /*  CONFIG_LPS_RPWM_TIMER */
987
988 __inline static void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
989 {
990         pwrctrl->alives |= tag;
991 }
992
993 __inline static void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
994 {
995         pwrctrl->alives &= ~tag;
996 }
997
998 /*
999  * Caller: rtw_xmit_thread
1000  *
1001  * Check if the fw_pwrstate is okay for xmit.
1002  * If not (cpwm is less than S3), then the sub-routine
1003  * will raise the cpwm to be greater than or equal to S3.
1004  *
1005  * Calling Context: Passive
1006  *
1007  * Return Value:
1008  *       _SUCCESS       rtw_xmit_thread can write fifo/txcmd afterwards.
1009  *       _FAIL          rtw_xmit_thread can not do anything.
1010  */
1011 s32 rtw_register_tx_alive(PADAPTER padapter)
1012 {
1013         s32 res;
1014         struct pwrctrl_priv *pwrctrl;
1015         u8 pslv;
1016
1017 _func_enter_;
1018
1019         res = _SUCCESS;
1020         pwrctrl = &padapter->pwrctrlpriv;
1021 #ifdef CONFIG_BT_COEXIST
1022         if (_TRUE == padapter->pwrctrlpriv.btcoex_rfon)
1023                 pslv = PS_STATE_S3;
1024         else
1025 #endif
1026         {
1027                 pslv = PS_STATE_S2;
1028         }
1029
1030         _enter_pwrlock(&pwrctrl->lock);
1031
1032         register_task_alive(pwrctrl, XMIT_ALIVE);
1033
1034         if (pwrctrl->bFwCurrentInPSMode == _TRUE)
1035         {
1036                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1037                                  ("rtw_register_tx_alive: cpwm=0x%02x alives=0x%08x\n",
1038                                   pwrctrl->cpwm, pwrctrl->alives));
1039
1040                 if (pwrctrl->cpwm < pslv)
1041                 {
1042                         if (pwrctrl->cpwm < PS_STATE_S2)
1043                                 res = _FAIL;
1044                         if (pwrctrl->rpwm < pslv)
1045                                 rtw_set_rpwm(padapter, pslv);
1046                 }
1047         }
1048
1049         _exit_pwrlock(&pwrctrl->lock);
1050
1051 _func_exit_;
1052
1053         return res;
1054 }
1055
1056 /*
1057  * Caller: rtw_cmd_thread
1058  *
1059  * Check if the fw_pwrstate is okay for issuing cmd.
1060  * If not (cpwm should be is less than S2), then the sub-routine
1061  * will raise the cpwm to be greater than or equal to S2.
1062  *
1063  * Calling Context: Passive
1064  *
1065  * Return Value:
1066  *      _SUCCESS        rtw_cmd_thread can issue cmds to firmware afterwards.
1067  *      _FAIL           rtw_cmd_thread can not do anything.
1068  */
1069 s32 rtw_register_cmd_alive(PADAPTER padapter)
1070 {
1071         s32 res;
1072         struct pwrctrl_priv *pwrctrl;
1073         u8 pslv;
1074
1075 _func_enter_;
1076
1077         res = _SUCCESS;
1078         pwrctrl = &padapter->pwrctrlpriv;
1079 #ifdef CONFIG_BT_COEXIST
1080         if (_TRUE == padapter->pwrctrlpriv.btcoex_rfon)
1081                 pslv = PS_STATE_S3;
1082         else
1083 #endif
1084         {
1085                 pslv = PS_STATE_S2;
1086         }
1087
1088         _enter_pwrlock(&pwrctrl->lock);
1089
1090         register_task_alive(pwrctrl, CMD_ALIVE);
1091
1092         if (pwrctrl->bFwCurrentInPSMode == _TRUE)
1093         {
1094                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1095                                  ("rtw_register_cmd_alive: cpwm=0x%02x alives=0x%08x\n",
1096                                   pwrctrl->cpwm, pwrctrl->alives));
1097
1098                 if (pwrctrl->cpwm < pslv)
1099                 {
1100                         if (pwrctrl->cpwm < PS_STATE_S2)
1101                         res = _FAIL;
1102                         if (pwrctrl->rpwm < pslv)
1103                                 rtw_set_rpwm(padapter, pslv);
1104                 }
1105         }
1106
1107         _exit_pwrlock(&pwrctrl->lock);
1108
1109 _func_exit_;
1110
1111         return res;
1112 }
1113
1114 /*
1115  * Caller: rx_isr
1116  *
1117  * Calling Context: Dispatch/ISR
1118  *
1119  * Return Value:
1120  *      _SUCCESS
1121  *      _FAIL
1122  */
1123 s32 rtw_register_rx_alive(PADAPTER padapter)
1124 {
1125         struct pwrctrl_priv *pwrctrl;
1126
1127 _func_enter_;
1128
1129         pwrctrl = &padapter->pwrctrlpriv;
1130
1131         _enter_pwrlock(&pwrctrl->lock);
1132
1133         register_task_alive(pwrctrl, RECV_ALIVE);
1134         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1135                          ("rtw_register_rx_alive: cpwm=0x%02x alives=0x%08x\n",
1136                           pwrctrl->cpwm, pwrctrl->alives));
1137
1138         _exit_pwrlock(&pwrctrl->lock);
1139
1140 _func_exit_;
1141
1142         return _SUCCESS;
1143 }
1144
1145 /*
1146  * Caller: evt_isr or evt_thread
1147  *
1148  * Calling Context: Dispatch/ISR or Passive
1149  *
1150  * Return Value:
1151  *      _SUCCESS
1152  *      _FAIL
1153  */
1154 s32 rtw_register_evt_alive(PADAPTER padapter)
1155 {
1156         struct pwrctrl_priv *pwrctrl;
1157
1158 _func_enter_;
1159
1160         pwrctrl = &padapter->pwrctrlpriv;
1161
1162         _enter_pwrlock(&pwrctrl->lock);
1163
1164         register_task_alive(pwrctrl, EVT_ALIVE);
1165         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1166                          ("rtw_register_evt_alive: cpwm=0x%02x alives=0x%08x\n",
1167                           pwrctrl->cpwm, pwrctrl->alives));
1168
1169         _exit_pwrlock(&pwrctrl->lock);
1170
1171 _func_exit_;
1172
1173         return _SUCCESS;
1174 }
1175
1176 /*
1177  * Caller: ISR
1178  *
1179  * If ISR's txdone,
1180  * No more pkts for TX,
1181  * Then driver shall call this fun. to power down firmware again.
1182  */
1183 void rtw_unregister_tx_alive(PADAPTER padapter)
1184 {
1185         struct pwrctrl_priv *pwrctrl;
1186
1187 _func_enter_;
1188
1189         pwrctrl = &padapter->pwrctrlpriv;
1190
1191         _enter_pwrlock(&pwrctrl->lock);
1192
1193         unregister_task_alive(pwrctrl, XMIT_ALIVE);
1194
1195         if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
1196                 (pwrctrl->bFwCurrentInPSMode == _TRUE))
1197         {
1198                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1199                                  ("%s: cpwm=0x%02x alives=0x%08x\n",
1200                                   __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
1201
1202                 if ((pwrctrl->alives == 0) &&
1203                         (pwrctrl->cpwm > PS_STATE_S0))
1204                 {
1205                         rtw_set_rpwm(padapter, PS_STATE_S0);
1206                 }
1207         }
1208
1209         _exit_pwrlock(&pwrctrl->lock);
1210
1211 _func_exit_;
1212 }
1213
1214 /*
1215  * Caller: ISR
1216  *
1217  * If all commands have been done,
1218  * and no more command to do,
1219  * then driver shall call this fun. to power down firmware again.
1220  */
1221 void rtw_unregister_cmd_alive(PADAPTER padapter)
1222 {
1223         struct pwrctrl_priv *pwrctrl;
1224
1225 _func_enter_;
1226
1227         pwrctrl = &padapter->pwrctrlpriv;
1228
1229         _enter_pwrlock(&pwrctrl->lock);
1230
1231         unregister_task_alive(pwrctrl, CMD_ALIVE);
1232
1233         if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
1234                 (pwrctrl->bFwCurrentInPSMode == _TRUE))
1235         {
1236                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1237                                  ("%s: cpwm=0x%02x alives=0x%08x\n",
1238                                   __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
1239
1240                 if ((pwrctrl->alives == 0) &&
1241                         (pwrctrl->cpwm > PS_STATE_S0))
1242                 {
1243                         rtw_set_rpwm(padapter, PS_STATE_S0);
1244                 }
1245         }
1246
1247         _exit_pwrlock(&pwrctrl->lock);
1248
1249 _func_exit_;
1250 }
1251
1252 /*
1253  * Caller: ISR
1254  */
1255 void rtw_unregister_rx_alive(PADAPTER padapter)
1256 {
1257         struct pwrctrl_priv *pwrctrl;
1258
1259 _func_enter_;
1260
1261         pwrctrl = &padapter->pwrctrlpriv;
1262
1263         _enter_pwrlock(&pwrctrl->lock);
1264
1265         unregister_task_alive(pwrctrl, RECV_ALIVE);
1266
1267         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1268                          ("rtw_unregister_rx_alive: cpwm=0x%02x alives=0x%08x\n",
1269                           pwrctrl->cpwm, pwrctrl->alives));
1270
1271         _exit_pwrlock(&pwrctrl->lock);
1272
1273 _func_exit_;
1274 }
1275
1276 void rtw_unregister_evt_alive(PADAPTER padapter)
1277 {
1278         struct pwrctrl_priv *pwrctrl;
1279
1280 _func_enter_;
1281
1282         pwrctrl = &padapter->pwrctrlpriv;
1283
1284         unregister_task_alive(pwrctrl, EVT_ALIVE);
1285
1286         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1287                          ("rtw_unregister_evt_alive: cpwm=0x%02x alives=0x%08x\n",
1288                           pwrctrl->cpwm, pwrctrl->alives));
1289
1290         _exit_pwrlock(&pwrctrl->lock);
1291
1292 _func_exit_;
1293 }
1294 #endif  /* CONFIG_LPS_LCLK */
1295
1296 #ifdef CONFIG_RESUME_IN_WORKQUEUE
1297 static void resume_workitem_callback(struct work_struct *work);
1298 #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1299
1300 void rtw_init_pwrctrl_priv(PADAPTER padapter)
1301 {
1302         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1303
1304 _func_enter_;
1305
1306         sema_init(&pwrctrlpriv->lock, 1);
1307         pwrctrlpriv->rf_pwrstate = rf_on;
1308         pwrctrlpriv->ips_enter_cnts=0;
1309         pwrctrlpriv->ips_leave_cnts=0;
1310         pwrctrlpriv->bips_processing = _FALSE;
1311
1312         pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
1313         pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
1314
1315         pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
1316         pwrctrlpriv->pwr_state_check_cnts = 0;
1317         pwrctrlpriv->bInternalAutoSuspend = _FALSE;
1318         pwrctrlpriv->bInSuspend = _FALSE;
1319         pwrctrlpriv->bkeepfwalive = _FALSE;
1320
1321 #ifdef CONFIG_AUTOSUSPEND
1322 #ifdef SUPPORT_HW_RFOFF_DETECTED
1323         pwrctrlpriv->pwr_state_check_interval = (pwrctrlpriv->bHWPwrPindetect) ?1000:2000;
1324 #endif
1325 #endif
1326
1327         pwrctrlpriv->LpsIdleCount = 0;
1328         pwrctrlpriv->power_mgnt =padapter->registrypriv.power_mgnt;/*  PS_MODE_MIN; */
1329         pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
1330
1331         pwrctrlpriv->bFwCurrentInPSMode = _FALSE;
1332
1333         pwrctrlpriv->rpwm = 0;
1334         pwrctrlpriv->cpwm = PS_STATE_S4;
1335
1336         pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
1337         pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
1338         pwrctrlpriv->bcn_ant_mode = 0;
1339
1340         pwrctrlpriv->tog = 0x80;
1341
1342         pwrctrlpriv->btcoex_rfon = _FALSE;
1343
1344 #ifdef CONFIG_LPS_LCLK
1345         rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
1346
1347         _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
1348
1349 #ifdef CONFIG_LPS_RPWM_TIMER
1350         pwrctrlpriv->brpwmtimeout = _FALSE;
1351         _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
1352         _init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter);
1353 #endif /*  CONFIG_LPS_RPWM_TIMER */
1354 #endif /*  CONFIG_LPS_LCLK */
1355
1356         _init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter);
1357
1358         #ifdef CONFIG_RESUME_IN_WORKQUEUE
1359         _init_workitem(&pwrctrlpriv->resume_work, resume_workitem_callback, NULL);
1360         pwrctrlpriv->rtw_workqueue = create_singlethread_workqueue("rtw_workqueue");
1361         #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1362
1363         #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1364         pwrctrlpriv->early_suspend.suspend = NULL;
1365         rtw_register_early_suspend(pwrctrlpriv);
1366         #endif /* CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER */
1367
1368 _func_exit_;
1369 }
1370
1371 void rtw_free_pwrctrl_priv(PADAPTER adapter)
1372 {
1373         struct pwrctrl_priv *pwrctrlpriv = &adapter->pwrctrlpriv;
1374
1375 _func_enter_;
1376
1377         /* memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); */
1378
1379         #ifdef CONFIG_RESUME_IN_WORKQUEUE
1380         if (pwrctrlpriv->rtw_workqueue) {
1381                 flush_workqueue(pwrctrlpriv->rtw_workqueue);
1382                 destroy_workqueue(pwrctrlpriv->rtw_workqueue);
1383         }
1384         #endif
1385
1386         #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1387         rtw_unregister_early_suspend(pwrctrlpriv);
1388         #endif /* CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER */
1389
1390 _func_exit_;
1391 }
1392
1393 #ifdef CONFIG_RESUME_IN_WORKQUEUE
1394 extern int rtw_resume_process(_adapter *padapter);
1395 static void resume_workitem_callback(struct work_struct *work)
1396 {
1397         struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, resume_work);
1398         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1399
1400         DBG_8723A("%s\n",__FUNCTION__);
1401
1402         rtw_resume_process(adapter);
1403 }
1404
1405 void rtw_resume_in_workqueue(struct pwrctrl_priv *pwrpriv)
1406 {
1407         /*  accquire system's suspend lock preventing from falliing asleep while resume in workqueue */
1408         rtw_lock_suspend();
1409
1410         #if 1
1411         queue_work(pwrpriv->rtw_workqueue, &pwrpriv->resume_work);
1412         #else
1413         _set_workitem(&pwrpriv->resume_work);
1414         #endif
1415 }
1416 #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1417
1418 #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1419 inline bool rtw_is_earlysuspend_registered(struct pwrctrl_priv *pwrpriv)
1420 {
1421         return (pwrpriv->early_suspend.suspend) ? _TRUE : _FALSE;
1422 }
1423
1424 inline bool rtw_is_do_late_resume(struct pwrctrl_priv *pwrpriv)
1425 {
1426         return (pwrpriv->do_late_resume) ? _TRUE : _FALSE;
1427 }
1428
1429 inline void rtw_set_do_late_resume(struct pwrctrl_priv *pwrpriv, bool enable)
1430 {
1431         pwrpriv->do_late_resume = enable;
1432 }
1433 #endif
1434
1435 #ifdef CONFIG_HAS_EARLYSUSPEND
1436 extern int rtw_resume_process(_adapter *padapter);
1437 static void rtw_early_suspend(struct early_suspend *h)
1438 {
1439         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1440         DBG_8723A("%s\n",__FUNCTION__);
1441
1442         rtw_set_do_late_resume(pwrpriv, _FALSE);
1443 }
1444
1445 static void rtw_late_resume(struct early_suspend *h)
1446 {
1447         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1448         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1449
1450         DBG_8723A("%s\n",__FUNCTION__);
1451         if(pwrpriv->do_late_resume) {
1452                 rtw_set_do_late_resume(pwrpriv, _FALSE);
1453                 rtw_resume_process(adapter);
1454         }
1455 }
1456
1457 void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
1458 {
1459         DBG_8723A("%s\n", __FUNCTION__);
1460
1461         /* jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit */
1462         pwrpriv->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
1463         pwrpriv->early_suspend.suspend = rtw_early_suspend;
1464         pwrpriv->early_suspend.resume = rtw_late_resume;
1465         register_early_suspend(&pwrpriv->early_suspend);
1466 }
1467
1468 void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
1469 {
1470         DBG_8723A("%s\n", __FUNCTION__);
1471
1472         rtw_set_do_late_resume(pwrpriv, _FALSE);
1473
1474         if (pwrpriv->early_suspend.suspend)
1475                 unregister_early_suspend(&pwrpriv->early_suspend);
1476
1477         pwrpriv->early_suspend.suspend = NULL;
1478         pwrpriv->early_suspend.resume = NULL;
1479 }
1480 #endif /* CONFIG_HAS_EARLYSUSPEND */
1481
1482 #ifdef CONFIG_ANDROID_POWER
1483 extern int rtw_resume_process(PADAPTER padapter);
1484 static void rtw_early_suspend(android_early_suspend_t *h)
1485 {
1486         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1487         DBG_8723A("%s\n",__FUNCTION__);
1488
1489         rtw_set_do_late_resume(pwrpriv, _FALSE);
1490 }
1491
1492 static void rtw_late_resume(android_early_suspend_t *h)
1493 {
1494         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1495         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1496
1497         DBG_8723A("%s\n",__FUNCTION__);
1498         if(pwrpriv->do_late_resume) {
1499                 rtw_set_do_late_resume(pwrpriv, _FALSE);
1500                 rtw_resume_process(adapter);
1501         }
1502 }
1503
1504 void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
1505 {
1506         DBG_8723A("%s\n", __FUNCTION__);
1507
1508         /* jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit */
1509         pwrpriv->early_suspend.level = ANDROID_EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
1510         pwrpriv->early_suspend.suspend = rtw_early_suspend;
1511         pwrpriv->early_suspend.resume = rtw_late_resume;
1512         android_register_early_suspend(&pwrpriv->early_suspend);
1513 }
1514
1515 void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
1516 {
1517         DBG_8723A("%s\n", __FUNCTION__);
1518
1519         rtw_set_do_late_resume(pwrpriv, _FALSE);
1520
1521         if (pwrpriv->early_suspend.suspend)
1522                 android_unregister_early_suspend(&pwrpriv->early_suspend);
1523
1524         pwrpriv->early_suspend.suspend = NULL;
1525         pwrpriv->early_suspend.resume = NULL;
1526 }
1527 #endif /* CONFIG_ANDROID_POWER */
1528
1529 u8 rtw_interface_ps_func(_adapter *padapter,HAL_INTF_PS_FUNC efunc_id,u8* val)
1530 {
1531         u8 bResult = _TRUE;
1532         rtw_hal_intf_ps_func(padapter,efunc_id,val);
1533
1534         return bResult;
1535 }
1536
1537 inline void rtw_set_ips_deny(_adapter *padapter, u32 ms)
1538 {
1539         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
1540         pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ms);
1541 }
1542
1543 /*
1544 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
1545 * @adapter: pointer to _adapter structure
1546 * @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
1547 * Return _SUCCESS or _FAIL
1548 */
1549
1550 int _rtw_pwr_wakeup(_adapter *padapter, u32 ips_deffer_ms, const char *caller)
1551 {
1552         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
1553         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1554         int ret = _SUCCESS;
1555         u32 start = rtw_get_current_time();
1556
1557 #ifdef CONFIG_CONCURRENT_MODE
1558         if (padapter->pbuddy_adapter)
1559                 LeaveAllPowerSaveMode(padapter->pbuddy_adapter);
1560
1561         if ((padapter->isprimary == _FALSE) && padapter->pbuddy_adapter){
1562                 padapter = padapter->pbuddy_adapter;
1563                 pwrpriv = &padapter->pwrctrlpriv;
1564                 pmlmepriv = &padapter->mlmepriv;
1565         }
1566 #endif
1567
1568         if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
1569                 pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
1570
1571         if (pwrpriv->ps_processing) {
1572                 DBG_8723A("%s wait ps_processing...\n", __func__);
1573                 while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
1574                         rtw_msleep_os(10);
1575                 if (pwrpriv->ps_processing)
1576                         DBG_8723A("%s wait ps_processing timeout\n", __func__);
1577                 else
1578                         DBG_8723A("%s wait ps_processing done\n", __func__);
1579         }
1580
1581 #ifdef DBG_CONFIG_ERROR_DETECT
1582         if (rtw_hal_sreset_inprogress(padapter)) {
1583                 DBG_8723A("%s wait sreset_inprogress...\n", __func__);
1584                 while (rtw_hal_sreset_inprogress(padapter) && rtw_get_passing_time_ms(start) <= 4000)
1585                         rtw_msleep_os(10);
1586                 if (rtw_hal_sreset_inprogress(padapter))
1587                         DBG_8723A("%s wait sreset_inprogress timeout\n", __func__);
1588                 else
1589                         DBG_8723A("%s wait sreset_inprogress done\n", __func__);
1590         }
1591 #endif
1592
1593         if (pwrpriv->bInternalAutoSuspend == _FALSE && pwrpriv->bInSuspend) {
1594                 DBG_8723A("%s wait bInSuspend...\n", __func__);
1595                 while (pwrpriv->bInSuspend
1596                         && ((rtw_get_passing_time_ms(start) <= 3000 && !rtw_is_do_late_resume(pwrpriv))
1597                                 || (rtw_get_passing_time_ms(start) <= 500 && rtw_is_do_late_resume(pwrpriv)))
1598                 ) {
1599                         rtw_msleep_os(10);
1600                 }
1601                 if (pwrpriv->bInSuspend)
1602                         DBG_8723A("%s wait bInSuspend timeout\n", __func__);
1603                 else
1604                         DBG_8723A("%s wait bInSuspend done\n", __func__);
1605         }
1606
1607         /* System suspend is not allowed to wakeup */
1608         if((pwrpriv->bInternalAutoSuspend == _FALSE) && (_TRUE == pwrpriv->bInSuspend )){
1609                 ret = _FAIL;
1610                 goto exit;
1611         }
1612
1613         /* block??? */
1614         if((pwrpriv->bInternalAutoSuspend == _TRUE)  && (padapter->net_closed == _TRUE)) {
1615                 ret = _FAIL;
1616                 goto exit;
1617         }
1618
1619         /* I think this should be check in IPS, LPS, autosuspend functions... */
1620         if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
1621         {
1622 #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
1623                 if(_TRUE==pwrpriv->bInternalAutoSuspend){
1624                         if(0==pwrpriv->autopm_cnt){
1625                         #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,33))
1626                                 if (usb_autopm_get_interface(adapter_to_dvobj(padapter)->pusbintf) < 0)
1627                                 {
1628                                         DBG_8723A( "can't get autopm: \n");
1629                                 }
1630                         #else
1631                                 usb_autopm_disable(adapter_to_dvobj(padapter)->pusbintf);
1632                         #endif
1633                         pwrpriv->autopm_cnt++;
1634                         }
1635 #endif  /* if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
1636                 ret = _SUCCESS;
1637                 goto exit;
1638 #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
1639                 }
1640 #endif  /* if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
1641         }
1642
1643         if(rf_off == pwrpriv->rf_pwrstate )
1644         {
1645 #ifdef CONFIG_AUTOSUSPEND
1646                  if(pwrpriv->brfoffbyhw==_TRUE)
1647                 {
1648                         DBG_8723A("hw still in rf_off state ...........\n");
1649                         ret = _FAIL;
1650                         goto exit;
1651                 }
1652                 else if(padapter->registrypriv.usbss_enable)
1653                 {
1654                         DBG_8723A("%s call autoresume_enter....\n",__FUNCTION__);
1655                         if(_FAIL ==  autoresume_enter(padapter))
1656                         {
1657                                 DBG_8723A("======> autoresume fail.............\n");
1658                                 ret = _FAIL;
1659                                 goto exit;
1660                         }
1661                 }
1662                 else
1663 #endif
1664                 {
1665 #ifdef CONFIG_IPS
1666                         DBG_8723A("%s call ips_leave....\n",__FUNCTION__);
1667                         if(_FAIL ==  ips_leave(padapter))
1668                         {
1669                                 DBG_8723A("======> ips_leave fail.............\n");
1670                                 ret = _FAIL;
1671                                 goto exit;
1672                         }
1673 #endif
1674                 }
1675         }
1676
1677         /* TODO: the following checking need to be merged... */
1678         if(padapter->bDriverStopped
1679                 || !padapter->bup
1680                 || !padapter->hw_init_completed
1681         ){
1682                 DBG_8723A("%s: bDriverStopped=%d, bup=%d, hw_init_completed=%u\n"
1683                         , caller
1684                         , padapter->bDriverStopped
1685                         , padapter->bup
1686                         , padapter->hw_init_completed);
1687                 ret= _FALSE;
1688                 goto exit;
1689         }
1690
1691 exit:
1692         if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
1693                 pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
1694         return ret;
1695 }
1696
1697 int rtw_pm_set_lps(_adapter *padapter, u8 mode)
1698 {
1699         int     ret = 0;
1700         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1701
1702         if ( mode < PS_MODE_NUM )
1703         {
1704                 if(pwrctrlpriv->power_mgnt !=mode)
1705                 {
1706                         if(PS_MODE_ACTIVE == mode)
1707                         {
1708                                 LeaveAllPowerSaveMode(padapter);
1709                         }
1710                         else
1711                         {
1712                                 pwrctrlpriv->LpsIdleCount = 2;
1713                         }
1714                         pwrctrlpriv->power_mgnt = mode;
1715                         pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
1716                 }
1717         }
1718         else
1719         {
1720                 ret = -EINVAL;
1721         }
1722
1723         return ret;
1724 }
1725
1726 int rtw_pm_set_ips(_adapter *padapter, u8 mode)
1727 {
1728         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1729
1730         if( mode == IPS_NORMAL || mode == IPS_LEVEL_2 ) {
1731                 rtw_ips_mode_req(pwrctrlpriv, mode);
1732                 DBG_8723A("%s %s\n", __FUNCTION__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
1733                 return 0;
1734         }
1735         else if(mode ==IPS_NONE){
1736                 rtw_ips_mode_req(pwrctrlpriv, mode);
1737                 DBG_8723A("%s %s\n", __FUNCTION__, "IPS_NONE");
1738                 if((padapter->bSurpriseRemoved ==0)&&(_FAIL == rtw_pwr_wakeup(padapter)) )
1739                         return -EFAULT;
1740         }
1741         else {
1742                 return -EINVAL;
1743         }
1744         return 0;
1745 }