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         sint 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(IN 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                                 #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22) && LINUX_VERSION_CODE<=KERNEL_VERSION(2,6,34))
 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 #ifdef CONFIG_USB_HCI
 835                         || (padapter->bDriverStopped== _TRUE)
 836 #endif
 837                         || (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
 838                         )
 839                 {
 840                         bReady = _TRUE;
 841                 }
 842
 843                 _exit_pwrlock(&pwrpriv->lock);
 844
 845                 if(_TRUE == bReady)
 846                         break;
 847
 848                 if(rtw_get_passing_time_ms(start_time)>100)
 849                 {
 850                         DBG_8723A("Wait for cpwm event  than 100 ms!!!\n");
 851                         break;
 852                 }
 853                 rtw_msleep_os(1);
 854         }
 855
 856 _func_exit_;
 857 }
 858
 859 /*
 860  * Caller:ISR handler...
 861  *
 862  * This will be called when CPWM interrupt is up.
 863  *
 864  * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
 865  */
 866 void cpwm_int_hdl(
 867         PADAPTER padapter,
 868         struct reportpwrstate_parm *preportpwrstate)
 869 {
 870         struct pwrctrl_priv *pwrpriv;
 871
 872 _func_enter_;
 873
 874         pwrpriv = &padapter->pwrctrlpriv;
 875
 876         _enter_pwrlock(&pwrpriv->lock);
 877
 878 #ifdef CONFIG_LPS_RPWM_TIMER
 879         if (pwrpriv->rpwm < PS_STATE_S2)
 880         {
 881                 DBG_8723A("%s: Redundant CPWM Int. RPWM=0x%02X CPWM=0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
 882                 _exit_pwrlock(&pwrpriv->lock);
 883                 goto exit;
 884         }
 885 #endif /*  CONFIG_LPS_RPWM_TIMER */
 886
 887         pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
 888         pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
 889
 890         if (pwrpriv->cpwm >= PS_STATE_S2)
 891         {
 892                 if (pwrpriv->alives & CMD_ALIVE)
 893                         up(&padapter->cmdpriv.cmd_queue_sema);
 894
 895                 if (pwrpriv->alives & XMIT_ALIVE)
 896                         up(&padapter->xmitpriv.xmit_sema);
 897         }
 898
 899         _exit_pwrlock(&pwrpriv->lock);
 900
 901 exit:
 902         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
 903                          ("cpwm_int_hdl: cpwm=0x%02x\n", pwrpriv->cpwm));
 904
 905 _func_exit_;
 906 }
 907
 908 static void cpwm_event_callback(struct work_struct *work)
 909 {
 910         struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event);
 911         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
 912         struct reportpwrstate_parm report;
 913
 914         /* DBG_8723A("%s\n",__FUNCTION__); */
 915
 916         report.state = PS_STATE_S2;
 917         cpwm_int_hdl(adapter, &report);
 918 }
 919
 920 #ifdef CONFIG_LPS_RPWM_TIMER
 921 static void rpwmtimeout_workitem_callback(struct work_struct *work)
 922 {
 923         PADAPTER padapter;
 924         struct pwrctrl_priv *pwrpriv;
 925
 926         pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
 927         padapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
 928 /*      DBG_8723A("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
 929
 930         _enter_pwrlock(&pwrpriv->lock);
 931         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
 932         {
 933                 DBG_8723A("%s: rpwm=0x%02X cpwm=0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
 934                 goto exit;
 935         }
 936         _exit_pwrlock(&pwrpriv->lock);
 937
 938         if (rtw_read8(padapter, 0x100) != 0xEA)
 939         {
 940 #if 1
 941                 struct reportpwrstate_parm report;
 942
 943                 report.state = PS_STATE_S2;
 944                 DBG_8723A("\n%s: FW already leave 32K!\n\n", __func__);
 945                 cpwm_int_hdl(padapter, &report);
 946 #else
 947                 DBG_8723A("\n%s: FW already leave 32K!\n\n", __func__);
 948                 cpwm_event_callback(&pwrpriv->cpwm_event);
 949 #endif
 950                 return;
 951         }
 952
 953         _enter_pwrlock(&pwrpriv->lock);
 954
 955         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
 956         {
 957                 DBG_8723A("%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
 958                 goto exit;
 959         }
 960         pwrpriv->brpwmtimeout = _TRUE;
 961         rtw_set_rpwm(padapter, pwrpriv->rpwm);
 962         pwrpriv->brpwmtimeout = _FALSE;
 963
 964 exit:
 965         _exit_pwrlock(&pwrpriv->lock);
 966 }
 967
 968 /*
 969  * This function is a timer handler, can't do any IO in it.
 970  */
 971 static void pwr_rpwm_timeout_handler(void *FunctionContext)
 972 {
 973         PADAPTER padapter;
 974         struct pwrctrl_priv *pwrpriv;
 975
 976         padapter = (PADAPTER)FunctionContext;
 977         pwrpriv = &padapter->pwrctrlpriv;
 978 /*      DBG_8723A("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
 979
 980         if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
 981         {
 982                 DBG_8723A("+%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
 983                 return;
 984         }
 985
 986         _set_workitem(&pwrpriv->rpwmtimeoutwi);
 987 }
 988 #endif /*  CONFIG_LPS_RPWM_TIMER */
 989
 990 __inline static void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
 991 {
 992         pwrctrl->alives |= tag;
 993 }
 994
 995 __inline static void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
 996 {
 997         pwrctrl->alives &= ~tag;
 998 }
 999
1000 /*
1001  * Caller: rtw_xmit_thread
1002  *
1003  * Check if the fw_pwrstate is okay for xmit.
1004  * If not (cpwm is less than S3), then the sub-routine
1005  * will raise the cpwm to be greater than or equal to S3.
1006  *
1007  * Calling Context: Passive
1008  *
1009  * Return Value:
1010  *       _SUCCESS       rtw_xmit_thread can write fifo/txcmd afterwards.
1011  *       _FAIL          rtw_xmit_thread can not do anything.
1012  */
1013 s32 rtw_register_tx_alive(PADAPTER padapter)
1014 {
1015         s32 res;
1016         struct pwrctrl_priv *pwrctrl;
1017         u8 pslv;
1018
1019 _func_enter_;
1020
1021         res = _SUCCESS;
1022         pwrctrl = &padapter->pwrctrlpriv;
1023 #ifdef CONFIG_BT_COEXIST
1024         if (_TRUE == padapter->pwrctrlpriv.btcoex_rfon)
1025                 pslv = PS_STATE_S3;
1026         else
1027 #endif
1028         {
1029                 pslv = PS_STATE_S2;
1030         }
1031
1032         _enter_pwrlock(&pwrctrl->lock);
1033
1034         register_task_alive(pwrctrl, XMIT_ALIVE);
1035
1036         if (pwrctrl->bFwCurrentInPSMode == _TRUE)
1037         {
1038                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1039                                  ("rtw_register_tx_alive: cpwm=0x%02x alives=0x%08x\n",
1040                                   pwrctrl->cpwm, pwrctrl->alives));
1041
1042                 if (pwrctrl->cpwm < pslv)
1043                 {
1044                         if (pwrctrl->cpwm < PS_STATE_S2)
1045                                 res = _FAIL;
1046                         if (pwrctrl->rpwm < pslv)
1047                                 rtw_set_rpwm(padapter, pslv);
1048                 }
1049         }
1050
1051         _exit_pwrlock(&pwrctrl->lock);
1052
1053 _func_exit_;
1054
1055         return res;
1056 }
1057
1058 /*
1059  * Caller: rtw_cmd_thread
1060  *
1061  * Check if the fw_pwrstate is okay for issuing cmd.
1062  * If not (cpwm should be is less than S2), then the sub-routine
1063  * will raise the cpwm to be greater than or equal to S2.
1064  *
1065  * Calling Context: Passive
1066  *
1067  * Return Value:
1068  *      _SUCCESS        rtw_cmd_thread can issue cmds to firmware afterwards.
1069  *      _FAIL           rtw_cmd_thread can not do anything.
1070  */
1071 s32 rtw_register_cmd_alive(PADAPTER padapter)
1072 {
1073         s32 res;
1074         struct pwrctrl_priv *pwrctrl;
1075         u8 pslv;
1076
1077 _func_enter_;
1078
1079         res = _SUCCESS;
1080         pwrctrl = &padapter->pwrctrlpriv;
1081 #ifdef CONFIG_BT_COEXIST
1082         if (_TRUE == padapter->pwrctrlpriv.btcoex_rfon)
1083                 pslv = PS_STATE_S3;
1084         else
1085 #endif
1086         {
1087                 pslv = PS_STATE_S2;
1088         }
1089
1090         _enter_pwrlock(&pwrctrl->lock);
1091
1092         register_task_alive(pwrctrl, CMD_ALIVE);
1093
1094         if (pwrctrl->bFwCurrentInPSMode == _TRUE)
1095         {
1096                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1097                                  ("rtw_register_cmd_alive: cpwm=0x%02x alives=0x%08x\n",
1098                                   pwrctrl->cpwm, pwrctrl->alives));
1099
1100                 if (pwrctrl->cpwm < pslv)
1101                 {
1102                         if (pwrctrl->cpwm < PS_STATE_S2)
1103                         res = _FAIL;
1104                         if (pwrctrl->rpwm < pslv)
1105                                 rtw_set_rpwm(padapter, pslv);
1106                 }
1107         }
1108
1109         _exit_pwrlock(&pwrctrl->lock);
1110
1111 _func_exit_;
1112
1113         return res;
1114 }
1115
1116 /*
1117  * Caller: rx_isr
1118  *
1119  * Calling Context: Dispatch/ISR
1120  *
1121  * Return Value:
1122  *      _SUCCESS
1123  *      _FAIL
1124  */
1125 s32 rtw_register_rx_alive(PADAPTER padapter)
1126 {
1127         struct pwrctrl_priv *pwrctrl;
1128
1129 _func_enter_;
1130
1131         pwrctrl = &padapter->pwrctrlpriv;
1132
1133         _enter_pwrlock(&pwrctrl->lock);
1134
1135         register_task_alive(pwrctrl, RECV_ALIVE);
1136         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1137                          ("rtw_register_rx_alive: cpwm=0x%02x alives=0x%08x\n",
1138                           pwrctrl->cpwm, pwrctrl->alives));
1139
1140         _exit_pwrlock(&pwrctrl->lock);
1141
1142 _func_exit_;
1143
1144         return _SUCCESS;
1145 }
1146
1147 /*
1148  * Caller: evt_isr or evt_thread
1149  *
1150  * Calling Context: Dispatch/ISR or Passive
1151  *
1152  * Return Value:
1153  *      _SUCCESS
1154  *      _FAIL
1155  */
1156 s32 rtw_register_evt_alive(PADAPTER padapter)
1157 {
1158         struct pwrctrl_priv *pwrctrl;
1159
1160 _func_enter_;
1161
1162         pwrctrl = &padapter->pwrctrlpriv;
1163
1164         _enter_pwrlock(&pwrctrl->lock);
1165
1166         register_task_alive(pwrctrl, EVT_ALIVE);
1167         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1168                          ("rtw_register_evt_alive: cpwm=0x%02x alives=0x%08x\n",
1169                           pwrctrl->cpwm, pwrctrl->alives));
1170
1171         _exit_pwrlock(&pwrctrl->lock);
1172
1173 _func_exit_;
1174
1175         return _SUCCESS;
1176 }
1177
1178 /*
1179  * Caller: ISR
1180  *
1181  * If ISR's txdone,
1182  * No more pkts for TX,
1183  * Then driver shall call this fun. to power down firmware again.
1184  */
1185 void rtw_unregister_tx_alive(PADAPTER padapter)
1186 {
1187         struct pwrctrl_priv *pwrctrl;
1188
1189 _func_enter_;
1190
1191         pwrctrl = &padapter->pwrctrlpriv;
1192
1193         _enter_pwrlock(&pwrctrl->lock);
1194
1195         unregister_task_alive(pwrctrl, XMIT_ALIVE);
1196
1197         if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
1198                 (pwrctrl->bFwCurrentInPSMode == _TRUE))
1199         {
1200                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1201                                  ("%s: cpwm=0x%02x alives=0x%08x\n",
1202                                   __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
1203
1204                 if ((pwrctrl->alives == 0) &&
1205                         (pwrctrl->cpwm > PS_STATE_S0))
1206                 {
1207                         rtw_set_rpwm(padapter, PS_STATE_S0);
1208                 }
1209         }
1210
1211         _exit_pwrlock(&pwrctrl->lock);
1212
1213 _func_exit_;
1214 }
1215
1216 /*
1217  * Caller: ISR
1218  *
1219  * If all commands have been done,
1220  * and no more command to do,
1221  * then driver shall call this fun. to power down firmware again.
1222  */
1223 void rtw_unregister_cmd_alive(PADAPTER padapter)
1224 {
1225         struct pwrctrl_priv *pwrctrl;
1226
1227 _func_enter_;
1228
1229         pwrctrl = &padapter->pwrctrlpriv;
1230
1231         _enter_pwrlock(&pwrctrl->lock);
1232
1233         unregister_task_alive(pwrctrl, CMD_ALIVE);
1234
1235         if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
1236                 (pwrctrl->bFwCurrentInPSMode == _TRUE))
1237         {
1238                 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1239                                  ("%s: cpwm=0x%02x alives=0x%08x\n",
1240                                   __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
1241
1242                 if ((pwrctrl->alives == 0) &&
1243                         (pwrctrl->cpwm > PS_STATE_S0))
1244                 {
1245                         rtw_set_rpwm(padapter, PS_STATE_S0);
1246                 }
1247         }
1248
1249         _exit_pwrlock(&pwrctrl->lock);
1250
1251 _func_exit_;
1252 }
1253
1254 /*
1255  * Caller: ISR
1256  */
1257 void rtw_unregister_rx_alive(PADAPTER padapter)
1258 {
1259         struct pwrctrl_priv *pwrctrl;
1260
1261 _func_enter_;
1262
1263         pwrctrl = &padapter->pwrctrlpriv;
1264
1265         _enter_pwrlock(&pwrctrl->lock);
1266
1267         unregister_task_alive(pwrctrl, RECV_ALIVE);
1268
1269         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1270                          ("rtw_unregister_rx_alive: cpwm=0x%02x alives=0x%08x\n",
1271                           pwrctrl->cpwm, pwrctrl->alives));
1272
1273         _exit_pwrlock(&pwrctrl->lock);
1274
1275 _func_exit_;
1276 }
1277
1278 void rtw_unregister_evt_alive(PADAPTER padapter)
1279 {
1280         struct pwrctrl_priv *pwrctrl;
1281
1282 _func_enter_;
1283
1284         pwrctrl = &padapter->pwrctrlpriv;
1285
1286         unregister_task_alive(pwrctrl, EVT_ALIVE);
1287
1288         RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1289                          ("rtw_unregister_evt_alive: cpwm=0x%02x alives=0x%08x\n",
1290                           pwrctrl->cpwm, pwrctrl->alives));
1291
1292         _exit_pwrlock(&pwrctrl->lock);
1293
1294 _func_exit_;
1295 }
1296 #endif  /* CONFIG_LPS_LCLK */
1297
1298 #ifdef CONFIG_RESUME_IN_WORKQUEUE
1299 static void resume_workitem_callback(struct work_struct *work);
1300 #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1301
1302 void rtw_init_pwrctrl_priv(PADAPTER padapter)
1303 {
1304         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1305
1306 _func_enter_;
1307
1308         sema_init(&pwrctrlpriv->lock, 1);
1309         pwrctrlpriv->rf_pwrstate = rf_on;
1310         pwrctrlpriv->ips_enter_cnts=0;
1311         pwrctrlpriv->ips_leave_cnts=0;
1312         pwrctrlpriv->bips_processing = _FALSE;
1313
1314         pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
1315         pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
1316
1317         pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
1318         pwrctrlpriv->pwr_state_check_cnts = 0;
1319         pwrctrlpriv->bInternalAutoSuspend = _FALSE;
1320         pwrctrlpriv->bInSuspend = _FALSE;
1321         pwrctrlpriv->bkeepfwalive = _FALSE;
1322
1323 #ifdef CONFIG_AUTOSUSPEND
1324 #ifdef SUPPORT_HW_RFOFF_DETECTED
1325         pwrctrlpriv->pwr_state_check_interval = (pwrctrlpriv->bHWPwrPindetect) ?1000:2000;
1326 #endif
1327 #endif
1328
1329         pwrctrlpriv->LpsIdleCount = 0;
1330         pwrctrlpriv->power_mgnt =padapter->registrypriv.power_mgnt;/*  PS_MODE_MIN; */
1331         pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
1332
1333         pwrctrlpriv->bFwCurrentInPSMode = _FALSE;
1334
1335         pwrctrlpriv->rpwm = 0;
1336         pwrctrlpriv->cpwm = PS_STATE_S4;
1337
1338         pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
1339         pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
1340         pwrctrlpriv->bcn_ant_mode = 0;
1341
1342         pwrctrlpriv->tog = 0x80;
1343
1344         pwrctrlpriv->btcoex_rfon = _FALSE;
1345
1346 #ifdef CONFIG_LPS_LCLK
1347         rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
1348
1349         _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
1350
1351 #ifdef CONFIG_LPS_RPWM_TIMER
1352         pwrctrlpriv->brpwmtimeout = _FALSE;
1353         _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
1354         _init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter);
1355 #endif /*  CONFIG_LPS_RPWM_TIMER */
1356 #endif /*  CONFIG_LPS_LCLK */
1357
1358         _init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter);
1359
1360         #ifdef CONFIG_RESUME_IN_WORKQUEUE
1361         _init_workitem(&pwrctrlpriv->resume_work, resume_workitem_callback, NULL);
1362         pwrctrlpriv->rtw_workqueue = create_singlethread_workqueue("rtw_workqueue");
1363         #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1364
1365         #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1366         pwrctrlpriv->early_suspend.suspend = NULL;
1367         rtw_register_early_suspend(pwrctrlpriv);
1368         #endif /* CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER */
1369
1370 _func_exit_;
1371 }
1372
1373 void rtw_free_pwrctrl_priv(PADAPTER adapter)
1374 {
1375         struct pwrctrl_priv *pwrctrlpriv = &adapter->pwrctrlpriv;
1376
1377 _func_enter_;
1378
1379         /* memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); */
1380
1381         #ifdef CONFIG_RESUME_IN_WORKQUEUE
1382         if (pwrctrlpriv->rtw_workqueue) {
1383                 flush_workqueue(pwrctrlpriv->rtw_workqueue);
1384                 destroy_workqueue(pwrctrlpriv->rtw_workqueue);
1385         }
1386         #endif
1387
1388         #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1389         rtw_unregister_early_suspend(pwrctrlpriv);
1390         #endif /* CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER */
1391
1392 _func_exit_;
1393 }
1394
1395 #ifdef CONFIG_RESUME_IN_WORKQUEUE
1396 #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1397 extern int rtw_resume_process(_adapter *padapter);
1398 #endif
1399 static void resume_workitem_callback(struct work_struct *work)
1400 {
1401         struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, resume_work);
1402         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1403
1404         DBG_8723A("%s\n",__FUNCTION__);
1405
1406         #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1407         rtw_resume_process(adapter);
1408         #endif
1409 }
1410
1411 void rtw_resume_in_workqueue(struct pwrctrl_priv *pwrpriv)
1412 {
1413         /*  accquire system's suspend lock preventing from falliing asleep while resume in workqueue */
1414         rtw_lock_suspend();
1415
1416         #if 1
1417         queue_work(pwrpriv->rtw_workqueue, &pwrpriv->resume_work);
1418         #else
1419         _set_workitem(&pwrpriv->resume_work);
1420         #endif
1421 }
1422 #endif /* CONFIG_RESUME_IN_WORKQUEUE */
1423
1424 #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
1425 inline bool rtw_is_earlysuspend_registered(struct pwrctrl_priv *pwrpriv)
1426 {
1427         return (pwrpriv->early_suspend.suspend) ? _TRUE : _FALSE;
1428 }
1429
1430 inline bool rtw_is_do_late_resume(struct pwrctrl_priv *pwrpriv)
1431 {
1432         return (pwrpriv->do_late_resume) ? _TRUE : _FALSE;
1433 }
1434
1435 inline void rtw_set_do_late_resume(struct pwrctrl_priv *pwrpriv, bool enable)
1436 {
1437         pwrpriv->do_late_resume = enable;
1438 }
1439 #endif
1440
1441 #ifdef CONFIG_HAS_EARLYSUSPEND
1442 #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1443 extern int rtw_resume_process(_adapter *padapter);
1444 #endif
1445 static void rtw_early_suspend(struct early_suspend *h)
1446 {
1447         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1448         DBG_8723A("%s\n",__FUNCTION__);
1449
1450         rtw_set_do_late_resume(pwrpriv, _FALSE);
1451 }
1452
1453 static void rtw_late_resume(struct early_suspend *h)
1454 {
1455         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1456         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1457
1458         DBG_8723A("%s\n",__FUNCTION__);
1459         if(pwrpriv->do_late_resume) {
1460                 #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1461                 rtw_set_do_late_resume(pwrpriv, _FALSE);
1462                 rtw_resume_process(adapter);
1463                 #endif
1464         }
1465 }
1466
1467 void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
1468 {
1469         DBG_8723A("%s\n", __FUNCTION__);
1470
1471         /* jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit */
1472         pwrpriv->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
1473         pwrpriv->early_suspend.suspend = rtw_early_suspend;
1474         pwrpriv->early_suspend.resume = rtw_late_resume;
1475         register_early_suspend(&pwrpriv->early_suspend);
1476 }
1477
1478 void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
1479 {
1480         DBG_8723A("%s\n", __FUNCTION__);
1481
1482         rtw_set_do_late_resume(pwrpriv, _FALSE);
1483
1484         if (pwrpriv->early_suspend.suspend)
1485                 unregister_early_suspend(&pwrpriv->early_suspend);
1486
1487         pwrpriv->early_suspend.suspend = NULL;
1488         pwrpriv->early_suspend.resume = NULL;
1489 }
1490 #endif /* CONFIG_HAS_EARLYSUSPEND */
1491
1492 #ifdef CONFIG_ANDROID_POWER
1493 #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1494 extern int rtw_resume_process(PADAPTER padapter);
1495 #endif
1496 static void rtw_early_suspend(android_early_suspend_t *h)
1497 {
1498         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1499         DBG_8723A("%s\n",__FUNCTION__);
1500
1501         rtw_set_do_late_resume(pwrpriv, _FALSE);
1502 }
1503
1504 static void rtw_late_resume(android_early_suspend_t *h)
1505 {
1506         struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
1507         _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
1508
1509         DBG_8723A("%s\n",__FUNCTION__);
1510         if(pwrpriv->do_late_resume) {
1511                 #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
1512                 rtw_set_do_late_resume(pwrpriv, _FALSE);
1513                 rtw_resume_process(adapter);
1514                 #endif
1515         }
1516 }
1517
1518 void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
1519 {
1520         DBG_8723A("%s\n", __FUNCTION__);
1521
1522         /* jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit */
1523         pwrpriv->early_suspend.level = ANDROID_EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
1524         pwrpriv->early_suspend.suspend = rtw_early_suspend;
1525         pwrpriv->early_suspend.resume = rtw_late_resume;
1526         android_register_early_suspend(&pwrpriv->early_suspend);
1527 }
1528
1529 void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
1530 {
1531         DBG_8723A("%s\n", __FUNCTION__);
1532
1533         rtw_set_do_late_resume(pwrpriv, _FALSE);
1534
1535         if (pwrpriv->early_suspend.suspend)
1536                 android_unregister_early_suspend(&pwrpriv->early_suspend);
1537
1538         pwrpriv->early_suspend.suspend = NULL;
1539         pwrpriv->early_suspend.resume = NULL;
1540 }
1541 #endif /* CONFIG_ANDROID_POWER */
1542
1543 u8 rtw_interface_ps_func(_adapter *padapter,HAL_INTF_PS_FUNC efunc_id,u8* val)
1544 {
1545         u8 bResult = _TRUE;
1546         rtw_hal_intf_ps_func(padapter,efunc_id,val);
1547
1548         return bResult;
1549 }
1550
1551 inline void rtw_set_ips_deny(_adapter *padapter, u32 ms)
1552 {
1553         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
1554         pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ms);
1555 }
1556
1557 /*
1558 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
1559 * @adapter: pointer to _adapter structure
1560 * @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
1561 * Return _SUCCESS or _FAIL
1562 */
1563
1564 int _rtw_pwr_wakeup(_adapter *padapter, u32 ips_deffer_ms, const char *caller)
1565 {
1566         struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
1567         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1568         int ret = _SUCCESS;
1569         u32 start = rtw_get_current_time();
1570
1571 #ifdef CONFIG_CONCURRENT_MODE
1572         if (padapter->pbuddy_adapter)
1573                 LeaveAllPowerSaveMode(padapter->pbuddy_adapter);
1574
1575         if ((padapter->isprimary == _FALSE) && padapter->pbuddy_adapter){
1576                 padapter = padapter->pbuddy_adapter;
1577                 pwrpriv = &padapter->pwrctrlpriv;
1578                 pmlmepriv = &padapter->mlmepriv;
1579         }
1580 #endif
1581
1582         if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
1583                 pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
1584
1585         if (pwrpriv->ps_processing) {
1586                 DBG_8723A("%s wait ps_processing...\n", __func__);
1587                 while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
1588                         rtw_msleep_os(10);
1589                 if (pwrpriv->ps_processing)
1590                         DBG_8723A("%s wait ps_processing timeout\n", __func__);
1591                 else
1592                         DBG_8723A("%s wait ps_processing done\n", __func__);
1593         }
1594
1595 #ifdef DBG_CONFIG_ERROR_DETECT
1596         if (rtw_hal_sreset_inprogress(padapter)) {
1597                 DBG_8723A("%s wait sreset_inprogress...\n", __func__);
1598                 while (rtw_hal_sreset_inprogress(padapter) && rtw_get_passing_time_ms(start) <= 4000)
1599                         rtw_msleep_os(10);
1600                 if (rtw_hal_sreset_inprogress(padapter))
1601                         DBG_8723A("%s wait sreset_inprogress timeout\n", __func__);
1602                 else
1603                         DBG_8723A("%s wait sreset_inprogress done\n", __func__);
1604         }
1605 #endif
1606
1607         if (pwrpriv->bInternalAutoSuspend == _FALSE && pwrpriv->bInSuspend) {
1608                 DBG_8723A("%s wait bInSuspend...\n", __func__);
1609                 while (pwrpriv->bInSuspend
1610                         && ((rtw_get_passing_time_ms(start) <= 3000 && !rtw_is_do_late_resume(pwrpriv))
1611                                 || (rtw_get_passing_time_ms(start) <= 500 && rtw_is_do_late_resume(pwrpriv)))
1612                 ) {
1613                         rtw_msleep_os(10);
1614                 }
1615                 if (pwrpriv->bInSuspend)
1616                         DBG_8723A("%s wait bInSuspend timeout\n", __func__);
1617                 else
1618                         DBG_8723A("%s wait bInSuspend done\n", __func__);
1619         }
1620
1621         /* System suspend is not allowed to wakeup */
1622         if((pwrpriv->bInternalAutoSuspend == _FALSE) && (_TRUE == pwrpriv->bInSuspend )){
1623                 ret = _FAIL;
1624                 goto exit;
1625         }
1626
1627         /* block??? */
1628         if((pwrpriv->bInternalAutoSuspend == _TRUE)  && (padapter->net_closed == _TRUE)) {
1629                 ret = _FAIL;
1630                 goto exit;
1631         }
1632
1633         /* I think this should be check in IPS, LPS, autosuspend functions... */
1634         if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
1635         {
1636 #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
1637                 if(_TRUE==pwrpriv->bInternalAutoSuspend){
1638                         if(0==pwrpriv->autopm_cnt){
1639                         #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,33))
1640                                 if (usb_autopm_get_interface(adapter_to_dvobj(padapter)->pusbintf) < 0)
1641                                 {
1642                                         DBG_8723A( "can't get autopm: \n");
1643                                 }
1644                         #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,20))
1645                                 usb_autopm_disable(adapter_to_dvobj(padapter)->pusbintf);
1646                         #else
1647                                 usb_autoresume_device(adapter_to_dvobj(padapter)->pusbdev, 1);
1648                         #endif
1649                         pwrpriv->autopm_cnt++;
1650                         }
1651 #endif  /* if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
1652                 ret = _SUCCESS;
1653                 goto exit;
1654 #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
1655                 }
1656 #endif  /* if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND) */
1657         }
1658
1659         if(rf_off == pwrpriv->rf_pwrstate )
1660         {
1661 #ifdef CONFIG_USB_HCI
1662 #ifdef CONFIG_AUTOSUSPEND
1663                  if(pwrpriv->brfoffbyhw==_TRUE)
1664                 {
1665                         DBG_8723A("hw still in rf_off state ...........\n");
1666                         ret = _FAIL;
1667                         goto exit;
1668                 }
1669                 else if(padapter->registrypriv.usbss_enable)
1670                 {
1671                         DBG_8723A("%s call autoresume_enter....\n",__FUNCTION__);
1672                         if(_FAIL ==  autoresume_enter(padapter))
1673                         {
1674                                 DBG_8723A("======> autoresume fail.............\n");
1675                                 ret = _FAIL;
1676                                 goto exit;
1677                         }
1678                 }
1679                 else
1680 #endif
1681 #endif
1682                 {
1683 #ifdef CONFIG_IPS
1684                         DBG_8723A("%s call ips_leave....\n",__FUNCTION__);
1685                         if(_FAIL ==  ips_leave(padapter))
1686                         {
1687                                 DBG_8723A("======> ips_leave fail.............\n");
1688                                 ret = _FAIL;
1689                                 goto exit;
1690                         }
1691 #endif
1692                 }
1693         }
1694
1695         /* TODO: the following checking need to be merged... */
1696         if(padapter->bDriverStopped
1697                 || !padapter->bup
1698                 || !padapter->hw_init_completed
1699         ){
1700                 DBG_8723A("%s: bDriverStopped=%d, bup=%d, hw_init_completed=%u\n"
1701                         , caller
1702                         , padapter->bDriverStopped
1703                         , padapter->bup
1704                         , padapter->hw_init_completed);
1705                 ret= _FALSE;
1706                 goto exit;
1707         }
1708
1709 exit:
1710         if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
1711                 pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
1712         return ret;
1713 }
1714
1715 int rtw_pm_set_lps(_adapter *padapter, u8 mode)
1716 {
1717         int     ret = 0;
1718         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1719
1720         if ( mode < PS_MODE_NUM )
1721         {
1722                 if(pwrctrlpriv->power_mgnt !=mode)
1723                 {
1724                         if(PS_MODE_ACTIVE == mode)
1725                         {
1726                                 LeaveAllPowerSaveMode(padapter);
1727                         }
1728                         else
1729                         {
1730                                 pwrctrlpriv->LpsIdleCount = 2;
1731                         }
1732                         pwrctrlpriv->power_mgnt = mode;
1733                         pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
1734                 }
1735         }
1736         else
1737         {
1738                 ret = -EINVAL;
1739         }
1740
1741         return ret;
1742 }
1743
1744 int rtw_pm_set_ips(_adapter *padapter, u8 mode)
1745 {
1746         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
1747
1748         if( mode == IPS_NORMAL || mode == IPS_LEVEL_2 ) {
1749                 rtw_ips_mode_req(pwrctrlpriv, mode);
1750                 DBG_8723A("%s %s\n", __FUNCTION__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
1751                 return 0;
1752         }
1753         else if(mode ==IPS_NONE){
1754                 rtw_ips_mode_req(pwrctrlpriv, mode);
1755                 DBG_8723A("%s %s\n", __FUNCTION__, "IPS_NONE");
1756                 if((padapter->bSurpriseRemoved ==0)&&(_FAIL == rtw_pwr_wakeup(padapter)) )
1757                         return -EFAULT;
1758         }
1759         else {
1760                 return -EINVAL;
1761         }
1762         return 0;
1763 }