text: /******************************************************************************
   *
   * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   *                                        
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of version 2 of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
   * more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
   *
   *
   ******************************************************************************/
  #define _RTW_PWRCTRL_C_
  
  #include <drv_conf.h>
  #include <osdep_service.h>
  #include <drv_types.h>
  #include <osdep_intf.h>
  
  
  #ifdef CONFIG_IPS
  void _ips_enter(_adapter * padapter)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  
  	pwrpriv->bips_processing = _TRUE;
  
  	// syn ips_mode with request
  	pwrpriv->ips_mode = pwrpriv->ips_mode_req;
  
  	pwrpriv->ips_enter_cnts++;
  	DBG_871X("==>ips_enter cnts:%d\n",pwrpriv->ips_enter_cnts);
  
  	if(rf_off == pwrpriv->change_rfpwrstate)
  	{
  		if(pwrpriv->ips_mode == IPS_LEVEL_2)
  			pwrpriv->bkeepfwalive = _TRUE;
  
  		rtw_ips_pwr_down(padapter);
  		pwrpriv->rf_pwrstate = rf_off;
  	}
  	pwrpriv->bips_processing = _FALSE;
  
  }
  
  void ips_enter(_adapter * padapter)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrpriv->lock);
  	_ips_enter(padapter);
  	_exit_pwrlock(&pwrpriv->lock);
  }
  
  int _ips_leave(_adapter * padapter)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  	int result = _SUCCESS;
  
  	if((pwrpriv->rf_pwrstate == rf_off) &&(!pwrpriv->bips_processing))
  	{
  		pwrpriv->bips_processing = _TRUE;
  		pwrpriv->change_rfpwrstate = rf_on;
  		pwrpriv->ips_leave_cnts++;
  		DBG_871X("==>ips_leave cnts:%d\n",pwrpriv->ips_leave_cnts);
  
  		if ((result = rtw_ips_pwr_up(padapter)) == _SUCCESS) {
  			pwrpriv->rf_pwrstate = rf_on;
  		}
  
  		DBG_871X("==> ips_leave.....LED(0x%08x)...\n",rtw_read32(padapter,0x4c));
  		pwrpriv->bips_processing = _FALSE;
  
  		pwrpriv->bkeepfwalive = _FALSE;
  	}
  
  	return result;
  }
  
  int ips_leave(_adapter * padapter)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  	int ret;
  
  	_enter_pwrlock(&pwrpriv->lock);
  	ret = _ips_leave(padapter);
  	_exit_pwrlock(&pwrpriv->lock);
  
  	return ret;
  }
  #endif /* CONFIG_IPS */
  
  #ifdef CONFIG_AUTOSUSPEND
  extern void autosuspend_enter(_adapter* padapter);	
  extern int autoresume_enter(_adapter* padapter);
  #endif
  
  #ifdef SUPPORT_HW_RFOFF_DETECTED
  int rtw_hw_suspend(_adapter *padapter );
  int rtw_hw_resume(_adapter *padapter);
  #endif
  
  bool rtw_pwr_unassociated_idle(_adapter *adapter)
  {
  	_adapter *buddy = adapter->pbuddy_adapter;
  	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
  #ifdef CONFIG_P2P
  	struct wifidirect_info	*pwdinfo = &(adapter->wdinfo);
  #ifdef CONFIG_IOCTL_CFG80211
  	struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &adapter->cfg80211_wdinfo;
  #endif
  #endif
  
  	bool ret = _FALSE;
  
  	if (adapter->pwrctrlpriv.ips_deny_time >= rtw_get_current_time()) {
  		//DBG_871X("%s ips_deny_time\n", __func__);
  		goto exit;
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
  		|| check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
  		|| check_fwstate(pmlmepriv, WIFI_AP_STATE)
  		|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
  		#if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
  		|| pcfg80211_wdinfo->is_ro_ch
  		#elif defined(CONFIG_P2P)
  		|| !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)
  		#endif
  	) {
  		goto exit;
  	}
  
  	/* consider buddy, if exist */
  	if (buddy) {
  		struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
  		#ifdef CONFIG_P2P
  		struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
  		#ifdef CONFIG_IOCTL_CFG80211		
  		struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
  		#endif
  		#endif
  
  		if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
  			|| check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
  			|| check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
  			|| check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
  			#if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
  			|| b_pcfg80211_wdinfo->is_ro_ch
  			#elif defined(CONFIG_P2P)
  			|| !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
  			#endif
  		) {
  			goto exit;
  		}
  	}
  
  #ifdef CONFIG_INTEL_PROXIM
  	if(adapter->proximity.proxim_on==_TRUE){
  		return;
  	}
  #endif
  
  	ret = _TRUE;
  
  exit:
  	return ret;
  }
  
  #if defined (PLATFORM_LINUX)||defined (PLATFORM_FREEBSD)
  void rtw_ps_processor(_adapter*padapter)
  {
  #ifdef CONFIG_P2P
  	struct wifidirect_info	*pwdinfo = &( padapter->wdinfo );
  #endif //CONFIG_P2P
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  #ifdef SUPPORT_HW_RFOFF_DETECTED
  	rt_rf_power_state rfpwrstate;
  #endif //SUPPORT_HW_RFOFF_DETECTED
  
  	pwrpriv->ps_processing = _TRUE;
  
  #ifdef SUPPORT_HW_RFOFF_DETECTED
  	if(pwrpriv->bips_processing == _TRUE)
  		goto exit;
  	
  	//DBG_871X("==> fw report state(0x%x)\n",rtw_read8(padapter,0x1ca));	
  	if(padapter->pwrctrlpriv.bHWPwrPindetect) 
  	{
  	#ifdef CONFIG_AUTOSUSPEND
  		if(padapter->registrypriv.usbss_enable)
  		{
  			if(pwrpriv->rf_pwrstate == rf_on)
  			{
  				if(padapter->net_closed == _TRUE)
  					pwrpriv->ps_flag = _TRUE;
  
  				rfpwrstate = RfOnOffDetect(padapter);
  				DBG_871X("@@@@- #1  %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
  				if(rfpwrstate!= pwrpriv->rf_pwrstate)
  				{
  					if(rfpwrstate == rf_off)
  					{
  						pwrpriv->change_rfpwrstate = rf_off;
  						
  						pwrpriv->bkeepfwalive = _TRUE;	
  						pwrpriv->brfoffbyhw = _TRUE;						
  						
  						autosuspend_enter(padapter);							
  					}
  				}
  			}			
  		}
  		else
  	#endif //CONFIG_AUTOSUSPEND
  		{
  			rfpwrstate = RfOnOffDetect(padapter);
  			DBG_871X("@@@@- #2  %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
  
  			if(rfpwrstate!= pwrpriv->rf_pwrstate)
  			{
  				if(rfpwrstate == rf_off)
  				{	
  					pwrpriv->change_rfpwrstate = rf_off;														
  					pwrpriv->brfoffbyhw = _TRUE;
  					padapter->bCardDisableWOHSM = _TRUE;
  					rtw_hw_suspend(padapter );	
  				}
  				else
  				{
  					pwrpriv->change_rfpwrstate = rf_on;
  					rtw_hw_resume(padapter );			
  				}
  				DBG_871X("current rf_pwrstate(%s)\n",(pwrpriv->rf_pwrstate == rf_off)?"rf_off":"rf_on");
  			}
  		}
  		pwrpriv->pwr_state_check_cnts ++;	
  	}
  #endif //SUPPORT_HW_RFOFF_DETECTED
  
  	if (pwrpriv->ips_mode_req == IPS_NONE
  		#ifdef CONFIG_CONCURRENT_MODE
  		|| padapter->pbuddy_adapter->pwrctrlpriv.ips_mode_req == IPS_NONE
  		#endif
  	)
  		goto exit;
  
  	if (rtw_pwr_unassociated_idle(padapter) == _FALSE)
  		goto exit;
  
  	if((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4)==0))
  	{
  		DBG_871X("==>%s .fw_state(%x)\n",__FUNCTION__,get_fwstate(pmlmepriv));
  		pwrpriv->change_rfpwrstate = rf_off;
  
  		#ifdef CONFIG_AUTOSUSPEND
  		if(padapter->registrypriv.usbss_enable)
  		{		
  			if(pwrpriv->bHWPwrPindetect) 
  				pwrpriv->bkeepfwalive = _TRUE;
  			
  			if(padapter->net_closed == _TRUE)
  				pwrpriv->ps_flag = _TRUE;
  
  			padapter->bCardDisableWOHSM = _TRUE;
  			autosuspend_enter(padapter);
  		}		
  		else if(pwrpriv->bHWPwrPindetect)
  		{
  		}
  		else
  		#endif //CONFIG_AUTOSUSPEND
  		{
  			#ifdef CONFIG_IPS	
  			ips_enter(padapter);			
  			#endif
  		}
  	}
  exit:
  	rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
  	pwrpriv->ps_processing = _FALSE;
  	return;
  }
  
  void pwr_state_check_handler(void *FunctionContext);
  void pwr_state_check_handler(void *FunctionContext)
  {
  	_adapter *padapter = (_adapter *)FunctionContext;
  	rtw_ps_cmd(padapter);
  }
  #endif
  
  
  #ifdef CONFIG_LPS
  /*
   *
   * Parameters
   *	padapter
   *	pslv			power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
   *
   */
  void rtw_set_rpwm(PADAPTER padapter, u8 pslv)
  {
  	u8	rpwm;
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  
  _func_enter_;
  
  	pslv = PS_STATE(pslv);
  
  	if (pwrpriv->rpwm == pslv) {
  		RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,
  			("%s: Already set rpwm[0x%02x]!\n", __FUNCTION__, pslv));
  		return;
  	}
  
  	if ((padapter->bDriverStopped == _TRUE) ||
  		(padapter->bSurpriseRemoved == _TRUE)) {
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
  				 ("%s: bDriverStopped(%d) bSurpriseRemoved(%d)\n",
  				  __FUNCTION__, padapter->bDriverStopped, padapter->bSurpriseRemoved));
  		return;
  	}
  
  	rpwm = pslv | pwrpriv->tog;
  #ifdef CONFIG_LPS_LCLK
  	if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2))
  		rpwm |= PS_ACK;
  #endif
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm));
  
  	pwrpriv->rpwm = pslv;
  
  	rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
  
  	pwrpriv->tog += 0x80;
  
  	if (!(rpwm & PS_ACK)) pwrpriv->cpwm = pslv;
  
  _func_exit_;
  }
  
  u8 PS_RDY_CHECK(_adapter * padapter);
  u8 PS_RDY_CHECK(_adapter * padapter)
  {
  	u32 curr_time, delta_time;
  	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;
  	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
  
  	curr_time = rtw_get_current_time();	
  
  	delta_time = curr_time -pwrpriv->DelayLPSLastTimeStamp;
  
  	if(delta_time < LPS_DELAY_TIME)
  	{		
  		return _FALSE;
  	}
  
  	if ((check_fwstate(pmlmepriv, _FW_LINKED) == _FALSE) ||
  		(check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_UNDER_WPS) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) )
  		return _FALSE;
  
  	if(_TRUE == pwrpriv->bInSuspend )
  		return _FALSE;
  	
  	if( (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == _FALSE) )
  	{
  		DBG_871X("Group handshake still in progress !!!\n");
  		return _FALSE;
  	}
  
  #ifdef CONFIG_IOCTL_CFG80211
  	if (!rtw_cfg80211_pwr_mgmt(padapter))
  		return _FALSE;
  #endif	
  
  	return _TRUE;
  }
  
  void rtw_set_ps_mode(PADAPTER padapter, u8 ps_mode, u8 smart_ps)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  #ifdef CONFIG_P2P
  	struct wifidirect_info	*pwdinfo = &( padapter->wdinfo );
  #endif //CONFIG_P2P
  #ifdef CONFIG_TDLS
  	struct sta_priv *pstapriv = &padapter->stapriv;
  	_irqL irqL;
  	int i, j;
  	_list	*plist, *phead;
  	struct sta_info *ptdls_sta;
  #endif //CONFIG_TDLS
  
  _func_enter_;
  
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("%s: PowerMode=%d Smart_PS=%d\n",
  			  __FUNCTION__, ps_mode, smart_ps));
  
  	if(ps_mode > PM_Card_Disable) {
  		RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,("ps_mode:%d error\n", ps_mode));
  		return;
  	}
  
  	if((pwrpriv->pwr_mode == ps_mode) &&
  		(pwrpriv->smart_ps == smart_ps)){
  		return;
  	}
  
  	//if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
  	if(ps_mode == PS_MODE_ACTIVE)
  	{
  #ifdef CONFIG_P2P_PS
  		if(pwdinfo->opp_ps == 0)
  #endif // CONFIG_P2P_PS
  		{
  #ifdef CONFIG_LPS_LCLK
  			_enter_pwrlock(&pwrpriv->lock);
  #endif
  			DBG_871X("rtw_set_ps_mode(): Busy Traffic , Leave 802.11 power save..\n");
  
  #ifdef CONFIG_TDLS
  			_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
  
  			for(i=0; i< NUM_STA; i++)
  			{
  				phead = &(pstapriv->sta_hash[i]);
  				plist = get_next(phead);
  
  				while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
  				{
  					ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
  
  					if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
  						issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta, 0);
  					plist = get_next(plist);
  				}
  			}
  
  			_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
  #endif //CONFIG_TDLS
  
  			pwrpriv->smart_ps = smart_ps;
  			pwrpriv->pwr_mode = ps_mode;
  
  			rtw_set_rpwm(padapter, PS_STATE_S4);
  #ifdef CONFIG_LPS_LCLK
  {
  			u32 n = 0;
  			while (pwrpriv->cpwm != PS_STATE_S4) {
  				n++;
  				if (n == 10000) break;
  				if (padapter->bSurpriseRemoved == _TRUE) break;
  				rtw_msleep_os(1);
  			}
  			if (n == 10000)
  				printk(KERN_ERR "%s: wait CPWM to S4 too long! cpwm=0x%02x\n", __func__, pwrpriv->cpwm);
  }
  #endif
  			rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
  			pwrpriv->bFwCurrentInPSMode = _FALSE;
  #ifdef CONFIG_LPS_LCLK
  			_exit_pwrlock(&pwrpriv->lock);
  #endif
  		}
  	}
  	else
  	{
  		if(PS_RDY_CHECK(padapter))
  		{
  #ifdef CONFIG_LPS_LCLK
  			_enter_pwrlock(&pwrpriv->lock);
  #endif
  			DBG_871X("rtw_set_ps_mode(): Enter 802.11 power save mode...\n");
  
  #ifdef CONFIG_TDLS
  			_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
  
  			for(i=0; i< NUM_STA; i++)
  			{
  				phead = &(pstapriv->sta_hash[i]);
  				plist = get_next(phead);
  
  				while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
  				{
  					ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
  
  					if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
  						issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta, 1);
  					plist = get_next(plist);
  				}
  			}
  
  			_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
  #endif //CONFIG_TDLS
  
  			pwrpriv->smart_ps = smart_ps;
  			pwrpriv->pwr_mode = ps_mode;
  			pwrpriv->bFwCurrentInPSMode = _TRUE;
  			rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
  #ifdef CONFIG_P2P_PS
  			// Set CTWindow after LPS
  			if(pwdinfo->opp_ps == 1)
  				p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
  #endif // CONFIG_P2P_PS
  #ifdef CONFIG_LPS_LCLK
  			if (pwrpriv->alives == 0)
  				rtw_set_rpwm(padapter, PS_STATE_S0);
  #else
  			rtw_set_rpwm(padapter, PS_STATE_S2);
  #endif
  #ifdef CONFIG_LPS_LCLK
  			_exit_pwrlock(&pwrpriv->lock);
  #endif
  		}
  		//else
  		//{
  		//	pwrpriv->pwr_mode = PS_MODE_ACTIVE;
  		//}
  	}
  
  _func_exit_;
  }
  
  
  //
  //	Description:
  //		Enter the leisure power save mode.
  //
  void LPS_Enter(PADAPTER padapter)
  {
  	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;
  	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
  	_adapter *buddy = padapter->pbuddy_adapter;
  
  _func_enter_;
  
  //	DBG_871X("+LeisurePSEnter\n");
  
  #ifdef CONFIG_CONCURRENT_MODE
  	if (padapter->iface_type != IFACE_PORT0)
  		return; /* Skip power saving for concurrent mode port 1*/
  
  	/* consider buddy, if exist */
  	if (buddy) {
  		struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
  		#ifdef CONFIG_P2P
  		struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
  		#ifdef CONFIG_IOCTL_CFG80211		
  		struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
  		#endif
  		#endif
  		
  		if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
  			|| check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
  			|| check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
  			|| check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
  			#if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211) && defined(CONFIG_P2P_IPS)
  			|| b_pcfg80211_wdinfo->is_ro_ch
  			#elif defined(CONFIG_P2P)
  			|| !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
  			#endif
  			|| rtw_is_scan_deny(buddy)
  		) {
  			return;
  		}
  	}
  #endif
  
  #ifdef CONFIG_INTEL_PROXIM
  	if(padapter->proximity.proxim_on==_TRUE){
  		return;
  	}
  #endif
  	if (	(check_fwstate(pmlmepriv, _FW_LINKED) == _FALSE) ||
  		(check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) ||
  		(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) )
  		return;
  
  	if(_TRUE == pwrpriv->bInSuspend )
  		return ;
  	
  	if (pwrpriv->bLeisurePs)
  	{
  		// Idle for a while if we connect to AP a while ago.
  		if(pwrpriv->LpsIdleCount >= 2) //  4 Sec 
  		{
  			if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
  			{
  				rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, 2);
  			}	
  		}
  		else
  			pwrpriv->LpsIdleCount++;
  	}
  
  //	DBG_871X("-LeisurePSEnter\n");
  
  _func_exit_;
  }
  
  
  //
  //	Description:
  //		Leave the leisure power save mode.
  //
  void LPS_Leave(PADAPTER padapter)
  {
  #define LPS_LEAVE_TIMEOUT_MS 100
  
  	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;
  	u32 start_time;
  	BOOLEAN bAwake = _FALSE;
  	
  _func_enter_;
  
  //	DBG_871X("+LeisurePSLeave\n");
  
  #ifdef CONFIG_CONCURRENT_MODE
  	if (padapter->iface_type != IFACE_PORT0)
  		return; /* Skip power saving for concurrent mode port 1*/
  #endif
  
  	if (pwrpriv->bLeisurePs)
  	{	
  		if(pwrpriv->pwr_mode != PS_MODE_ACTIVE)
  		{
  			rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0);
  
  			if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
  			{
  				start_time = rtw_get_current_time();		
  				while(1)			
  				{
  					rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&bAwake));
  						
  					if(bAwake || padapter->bSurpriseRemoved)
  						break;
  					
  					if(rtw_get_passing_time_ms(start_time)>LPS_LEAVE_TIMEOUT_MS)
  					{
  						DBG_871X("Wait for FW LPS leave more than %u ms!!!\n", LPS_LEAVE_TIMEOUT_MS);
  						break;
  					}
  					rtw_usleep_os(100);
  				}
  			}
  		}
  	}
  
  
  //	DBG_871X("-LeisurePSLeave\n");
  
  _func_exit_;
  }
  
  #endif
  
  //
  // Description: Leave all power save mode: LPS, FwLPS, IPS if needed.
  // Move code to function by tynli. 2010.03.26. 
  //
  void LeaveAllPowerSaveMode(IN PADAPTER Adapter)
  {
  	struct mlme_priv	*pmlmepriv = &(Adapter->mlmepriv);
  
  _func_enter_;
  
  	//DBG_871X("%s.....\n",__FUNCTION__);
  	if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
  	{ //connect
  #ifdef CONFIG_P2P_PS
  		p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, 0);
  #endif // CONFIG_P2P_PS
  #ifdef CONFIG_LPS
  		//DBG_871X("==> leave LPS.......\n");
  		LPS_Leave(Adapter);
  #endif
  	}
  	else
  	{
  		if(Adapter->pwrctrlpriv.rf_pwrstate== rf_off)
  		{
  			#ifdef CONFIG_AUTOSUSPEND
  			if(Adapter->registrypriv.usbss_enable)
  			{
  				#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
  				usb_disable_autosuspend(adapter_to_dvobj(Adapter)->pusbdev);
  				#elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22) && LINUX_VERSION_CODE<=KERNEL_VERSION(2,6,34))
  				adapter_to_dvobj(Adapter)->pusbdev->autosuspend_disabled = Adapter->bDisableAutosuspend;//autosuspend disabled by the user
  				#endif
  			}
  			else
  			#endif
  			{
  			/*
  				#ifdef CONFIG_IPS
  				if(_FALSE == ips_leave(Adapter))
  				{
  					DBG_871X("======> ips_leave fail.............\n");			
  				}
  				#endif
  			*/
  			}				
  		}	
  	}
  
  _func_exit_;
  }
  
  #ifdef CONFIG_LPS_LCLK
  /*
   * Caller:ISR handler...
   *
   * This will be called when CPWM interrupt is up.
   *
   * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
   */
  void cpwm_int_hdl(
  	PADAPTER padapter,
  	struct reportpwrstate_parm *preportpwrstate)
  {
  	struct pwrctrl_priv *pwrpriv;
  
  
  _func_enter_;
  
  	pwrpriv = &padapter->pwrctrlpriv;
  #if 0
  	if (pwrpriv->cpwm_tog == (preportpwrstate->state & PS_TOGGLE)) {
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
  				 ("cpwm_int_hdl: tog(old)=0x%02x cpwm(new)=0x%02x toggle bit didn't change!?\n",
  				  pwrpriv->cpwm_tog, preportpwrstate->state));
  		goto exit;
  	}
  #endif
  //	_enter_pwrlock(&pwrpriv->lock);
  
  	pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
  	pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
  
  	if (pwrpriv->cpwm >= PS_STATE_S2) {
  		if (pwrpriv->alives & CMD_ALIVE)
  			_rtw_up_sema(&padapter->cmdpriv.cmd_queue_sema);
  
  		if (pwrpriv->alives & XMIT_ALIVE)
  			_rtw_up_sema(&padapter->xmitpriv.xmit_sema);
  	}
  
  //	_exit_pwrlock(&pwrpriv->lock);
  
  exit:
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("cpwm_int_hdl: cpwm=0x%02x\n", pwrpriv->cpwm));
  
  _func_exit_;
  }
  
  __inline static void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
  {
  	pwrctrl->alives |= tag;
  }
  
  __inline static void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
  {
  	pwrctrl->alives &= ~tag;
  }
  
  /*
   * Caller: rtw_xmit_thread
   * 
   * Check if the fw_pwrstate is okay for xmit.
   * If not (cpwm is less than S3), then the sub-routine
   * will raise the cpwm to be greater than or equal to S3. 
   *
   * Calling Context: Passive
   * 
   * Return Value:
   *	 _SUCCESS	rtw_xmit_thread can write fifo/txcmd afterwards.
   *	 _FAIL		rtw_xmit_thread can not do anything.
   */
  s32 rtw_register_tx_alive(PADAPTER padapter)
  {
  	s32 res;
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	res = _SUCCESS;
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	register_task_alive(pwrctrl, XMIT_ALIVE);
  
  	if (pwrctrl->bFwCurrentInPSMode == _TRUE)
  	{
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
  				 ("rtw_register_tx_alive: cpwm=0x%02x alives=0x%08x\n",
  				  pwrctrl->cpwm, pwrctrl->alives));
  
  		if (pwrctrl->cpwm < PS_STATE_S2) {
  			if (pwrctrl->rpwm < PS_STATE_S2)
  				rtw_set_rpwm(padapter, PS_STATE_S2);
  			res = _FAIL;
  		}
  	}
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  
  	return res;	
  }
  
  /*
   * Caller: rtw_cmd_thread
   *
   * Check if the fw_pwrstate is okay for issuing cmd.
   * If not (cpwm should be is less than S2), then the sub-routine
   * will raise the cpwm to be greater than or equal to S2.
   *
   * Calling Context: Passive
   *
   * Return Value:
   *	_SUCCESS	rtw_cmd_thread can issue cmds to firmware afterwards.
   *	_FAIL		rtw_cmd_thread can not do anything.
   */
  s32 rtw_register_cmd_alive(PADAPTER padapter)
  {
  	s32 res;
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	res = _SUCCESS;
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	register_task_alive(pwrctrl, CMD_ALIVE);
  
  	if (pwrctrl->bFwCurrentInPSMode == _TRUE)
  	{
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  				 ("rtw_register_cmd_alive: cpwm=0x%02x alives=0x%08x\n",
  				  pwrctrl->cpwm, pwrctrl->alives));
  
  		if (pwrctrl->cpwm < PS_STATE_S2) {
  			if (pwrctrl->rpwm < PS_STATE_S2)
  				rtw_set_rpwm(padapter, PS_STATE_S2);
  			res = _FAIL;
  		}
  	}
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  
  	return res;
  }
  
  /*
   * Caller: rx_isr
   *
   * Calling Context: Dispatch/ISR
   *
   * Return Value:
   *	_SUCCESS
   *	_FAIL
   */
  s32 rtw_register_rx_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	register_task_alive(pwrctrl, RECV_ALIVE);
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("rtw_register_rx_alive: cpwm=0x%02x alives=0x%08x\n",
  			  pwrctrl->cpwm, pwrctrl->alives));
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  
  	return _SUCCESS;
  }
  
  /*
   * Caller: evt_isr or evt_thread
   *
   * Calling Context: Dispatch/ISR or Passive
   *
   * Return Value:
   *	_SUCCESS
   *	_FAIL
   */
  s32 rtw_register_evt_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	register_task_alive(pwrctrl, EVT_ALIVE);
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("rtw_register_evt_alive: cpwm=0x%02x alives=0x%08x\n",
  			  pwrctrl->cpwm, pwrctrl->alives));
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  
  	return _SUCCESS;
  }
  
  /*
   * Caller: ISR
   *
   * If ISR's txdone,
   * No more pkts for TX,
   * Then driver shall call this fun. to power down firmware again.
   */
  void rtw_unregister_tx_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	unregister_task_alive(pwrctrl, XMIT_ALIVE);
  
  	if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
  		(pwrctrl->bFwCurrentInPSMode == _TRUE))
  	{
  		if ((pwrctrl->alives == 0) &&
  			(pwrctrl->cpwm > PS_STATE_S0))
  		{
  			rtw_set_rpwm(padapter, PS_STATE_S0);
  		}
  
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  				 ("rtw_unregister_tx_alive: cpwm=0x%02x alives=0x%08x\n",
  				  pwrctrl->cpwm, pwrctrl->alives));
  	}
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  }
  
  /*
   * Caller: ISR
   *
   * If all commands have been done,
   * and no more command to do,
   * then driver shall call this fun. to power down firmware again.
   */
  void rtw_unregister_cmd_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	unregister_task_alive(pwrctrl, CMD_ALIVE);
  
  	if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) &&
  		(pwrctrl->bFwCurrentInPSMode == _TRUE))
  	{
  		if ((pwrctrl->alives == 0) &&
  			(pwrctrl->cpwm > PS_STATE_S0))
  		{
  			rtw_set_rpwm(padapter, PS_STATE_S0);
  		}
  
  		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  				 ("rtw_unregister_cmd_alive: cpwm=0x%02x alives=0x%08x\n",
  				  pwrctrl->cpwm, pwrctrl->alives));
  	}
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  }
  
  /*
   * Caller: ISR
   */
  void rtw_unregister_rx_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	_enter_pwrlock(&pwrctrl->lock);
  
  	unregister_task_alive(pwrctrl, RECV_ALIVE);
  
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("rtw_unregister_rx_alive: cpwm=0x%02x alives=0x%08x\n",
  			  pwrctrl->cpwm, pwrctrl->alives));
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  }
  
  void rtw_unregister_evt_alive(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrl;
  
  _func_enter_;
  
  	pwrctrl = &padapter->pwrctrlpriv;
  
  	unregister_task_alive(pwrctrl, EVT_ALIVE);
  
  	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
  			 ("rtw_unregister_evt_alive: cpwm=0x%02x alives=0x%08x\n",
  			  pwrctrl->cpwm, pwrctrl->alives));
  
  	_exit_pwrlock(&pwrctrl->lock);
  
  _func_exit_;
  }
  #endif	/* CONFIG_LPS_LCLK */
  
  #ifdef CONFIG_RESUME_IN_WORKQUEUE
  static void resume_workitem_callback(struct work_struct *work);
  #endif //CONFIG_RESUME_IN_WORKQUEUE
  
  void rtw_init_pwrctrl_priv(PADAPTER padapter)
  {
  	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
  
  _func_enter_;
  
  #ifdef PLATFORM_WINDOWS
  	pwrctrlpriv->pnp_current_pwr_state=NdisDeviceStateD0;
  #endif
  
  	_init_pwrlock(&pwrctrlpriv->lock);
  	pwrctrlpriv->rf_pwrstate = rf_on;
  	pwrctrlpriv->ips_enter_cnts=0;
  	pwrctrlpriv->ips_leave_cnts=0;
  
  	pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
  	pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
  
  	pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
  	pwrctrlpriv->pwr_state_check_cnts = 0;
  	pwrctrlpriv->bInternalAutoSuspend = _FALSE;
  	pwrctrlpriv->bInSuspend = _FALSE;
  	pwrctrlpriv->bkeepfwalive = _FALSE;
  
  #ifdef CONFIG_AUTOSUSPEND
  #ifdef SUPPORT_HW_RFOFF_DETECTED
  	pwrctrlpriv->pwr_state_check_interval = (pwrctrlpriv->bHWPwrPindetect) ?1000:2000;		
  #endif
  #endif
  
  	pwrctrlpriv->LpsIdleCount = 0;
  	//pwrctrlpriv->FWCtrlPSMode =padapter->registrypriv.power_mgnt;// PS_MODE_MIN;
  	pwrctrlpriv->power_mgnt =padapter->registrypriv.power_mgnt;// PS_MODE_MIN;
  	pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
  
  	pwrctrlpriv->bFwCurrentInPSMode = _FALSE;
  
  	pwrctrlpriv->cpwm = PS_STATE_S4;
  
  	pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
  
  
  	pwrctrlpriv->smart_ps = 0;
  
  	pwrctrlpriv->tog = 0x80;
  
  #ifdef PLATFORM_LINUX
  	_init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter);
  #endif
  
  	#ifdef CONFIG_RESUME_IN_WORKQUEUE
  	_init_workitem(&pwrctrlpriv->resume_work, resume_workitem_callback, NULL);
  	pwrctrlpriv->rtw_workqueue = create_singlethread_workqueue("rtw_workqueue");
  	#endif //CONFIG_RESUME_IN_WORKQUEUE
  
  	#if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
  	pwrctrlpriv->early_suspend.suspend = NULL;
  	rtw_register_early_suspend(pwrctrlpriv);
  	#endif //CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER
  
  
  _func_exit_;
  
  }
  
  
  void rtw_free_pwrctrl_priv(PADAPTER adapter)
  {
  	struct pwrctrl_priv *pwrctrlpriv = &adapter->pwrctrlpriv;
  
  _func_enter_;
  
  	//_rtw_memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv));
  
  
  	#ifdef CONFIG_RESUME_IN_WORKQUEUE
  	if (pwrctrlpriv->rtw_workqueue) { 
  		flush_workqueue(pwrctrlpriv->rtw_workqueue);
  		destroy_workqueue(pwrctrlpriv->rtw_workqueue);
  	}
  	#endif
  
  
  	#if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
  	rtw_unregister_early_suspend(pwrctrlpriv);
  	#endif //CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER
  
  	_free_pwrlock(&pwrctrlpriv->lock);
  
  _func_exit_;
  }
  
  #ifdef CONFIG_RESUME_IN_WORKQUEUE
  #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  extern int rtw_resume_process(_adapter *padapter);
  #endif
  static void resume_workitem_callback(struct work_struct *work)
  {
  	struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, resume_work);
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  	DBG_871X("%s\n",__FUNCTION__);
  
  	#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  	rtw_resume_process(adapter);
  	#endif
  	
  }
  
  void rtw_resume_in_workqueue(struct pwrctrl_priv *pwrpriv)
  {
  	// accquire system's suspend lock preventing from falliing asleep while resume in workqueue
  	rtw_lock_suspend();
  	
  	#if 1
  	queue_work(pwrpriv->rtw_workqueue, &pwrpriv->resume_work);	
  	#else
  	_set_workitem(&pwrpriv->resume_work);
  	#endif
  }
  #endif //CONFIG_RESUME_IN_WORKQUEUE
  
  #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
  inline bool rtw_is_earlysuspend_registered(struct pwrctrl_priv *pwrpriv)
  {
  	return (pwrpriv->early_suspend.suspend) ? _TRUE : _FALSE;
  }
  
  inline bool rtw_is_do_late_resume(struct pwrctrl_priv *pwrpriv)
  {
  	return (pwrpriv->do_late_resume) ? _TRUE : _FALSE;
  }
  
  inline void rtw_set_do_late_resume(struct pwrctrl_priv *pwrpriv, bool enable)
  {
  	pwrpriv->do_late_resume = enable;
  }
  #endif
  
  #ifdef CONFIG_HAS_EARLYSUSPEND
  #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  extern int rtw_resume_process(_adapter *padapter);
  #endif
  static void rtw_early_suspend(struct early_suspend *h)
  {
  	struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
  	DBG_871X("%s\n",__FUNCTION__);
  
  	rtw_set_do_late_resume(pwrpriv, _FALSE);
  }
  
  static void rtw_late_resume(struct early_suspend *h)
  {
  	struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  	DBG_871X("%s\n",__FUNCTION__);
  	if(pwrpriv->do_late_resume) {
  		#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  		rtw_set_do_late_resume(pwrpriv, _FALSE);
  		rtw_resume_process(adapter);
  		#endif
  	}
  }
  
  void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
  {
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  #if defined(CONFIG_CONCURRENT_MODE)
  	if (adapter->adapter_type != PRIMARY_ADAPTER)
  		return;
  #endif	
  
  	DBG_871X("%s\n", __FUNCTION__);
  
  	//jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit
  	pwrpriv->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
  	pwrpriv->early_suspend.suspend = rtw_early_suspend;
  	pwrpriv->early_suspend.resume = rtw_late_resume;
  	register_early_suspend(&pwrpriv->early_suspend);	
  
  	
  }
  
  void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
  {
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  #if defined(CONFIG_CONCURRENT_MODE)
  	if (adapter->adapter_type != PRIMARY_ADAPTER)
  		return;
  #endif
  
  	DBG_871X("%s\n", __FUNCTION__);
  
  	rtw_set_do_late_resume(pwrpriv, _FALSE);
  
  	if (pwrpriv->early_suspend.suspend) 
  		unregister_early_suspend(&pwrpriv->early_suspend);
  
  	pwrpriv->early_suspend.suspend = NULL;
  	pwrpriv->early_suspend.resume = NULL;
  }
  #endif //CONFIG_HAS_EARLYSUSPEND
  
  #ifdef CONFIG_ANDROID_POWER
  #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  extern int rtw_resume_process(PADAPTER padapter);
  #endif
  static void rtw_early_suspend(android_early_suspend_t *h)
  {
  	struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
  	DBG_871X("%s\n",__FUNCTION__);
  
  	rtw_set_do_late_resume(pwrpriv, _FALSE);
  }
  
  static void rtw_late_resume(android_early_suspend_t *h)
  {
  	struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  	DBG_871X("%s\n",__FUNCTION__);
  	if(pwrpriv->do_late_resume) {
  		#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
  		rtw_set_do_late_resume(pwrpriv, _FALSE);
  		rtw_resume_process(adapter);
  		#endif
  	}
  }
  
  void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
  {
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  #if defined(CONFIG_CONCURRENT_MODE)
  	if (adapter->adapter_type != PRIMARY_ADAPTER)
  		return;
  #endif
  
  	DBG_871X("%s\n", __FUNCTION__);
  
  	//jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit
  	pwrpriv->early_suspend.level = ANDROID_EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
  	pwrpriv->early_suspend.suspend = rtw_early_suspend;
  	pwrpriv->early_suspend.resume = rtw_late_resume;
  	android_register_early_suspend(&pwrpriv->early_suspend);	
  }
  
  void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
  {
  	_adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv);
  
  #if defined(CONFIG_CONCURRENT_MODE)
  	if (adapter->adapter_type != PRIMARY_ADAPTER)
  		return;
  #endif
  
  	DBG_871X("%s\n", __FUNCTION__);
  
  	rtw_set_do_late_resume(pwrpriv, _FALSE);
  
  	if (pwrpriv->early_suspend.suspend) 
  		android_unregister_early_suspend(&pwrpriv->early_suspend);
  
  	pwrpriv->early_suspend.suspend = NULL;
  	pwrpriv->early_suspend.resume = NULL;
  }
  #endif //CONFIG_ANDROID_POWER
  
  u8 rtw_interface_ps_func(_adapter *padapter,HAL_INTF_PS_FUNC efunc_id,u8* val)
  {
  	u8 bResult = _TRUE;
  
  	rtw_hal_intf_ps_func(padapter,efunc_id,val);
  
  	return bResult;
  }
  
  
  inline void rtw_set_ips_deny(_adapter *padapter, u32 ms)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  	pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ms);
  }
  
  /*
  * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
  * @adapter: pointer to _adapter structure
  * @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
  * Return _SUCCESS or _FAIL
  */
  int _rtw_pwr_wakeup(_adapter *padapter, u32 ips_deffer_ms, const char *caller)
  {
  	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;	
  	int ret = _SUCCESS;
  	u32 start = rtw_get_current_time();
  
  #ifdef CONFIG_CONCURRENT_MODE
  	if (padapter->pbuddy_adapter)
  		LeaveAllPowerSaveMode(padapter->pbuddy_adapter);
  
  	if ((padapter->isprimary == _FALSE) && padapter->pbuddy_adapter){
  		padapter = padapter->pbuddy_adapter;
  		pwrpriv = &padapter->pwrctrlpriv;
  		pmlmepriv = &padapter->mlmepriv;
  	}
  #endif
  
  	if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
  		pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
  
  	if (pwrpriv->ps_processing) {
  		DBG_871X("%s wait ps_processing...\n", __func__);
  		while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
  			rtw_msleep_os(10);
  		if (pwrpriv->ps_processing)
  			DBG_871X("%s wait ps_processing timeout\n", __func__);
  		else
  			DBG_871X("%s wait ps_processing done\n", __func__);
  	}
  
  #ifdef DBG_CONFIG_ERROR_DETECT
  	if (rtw_hal_sreset_inprogress(padapter)) {
  		DBG_871X("%s wait sreset_inprogress...\n", __func__);
  		while (rtw_hal_sreset_inprogress(padapter) && rtw_get_passing_time_ms(start) <= 4000)
  			rtw_msleep_os(10);
  		if (rtw_hal_sreset_inprogress(padapter))
  			DBG_871X("%s wait sreset_inprogress timeout\n", __func__);
  		else
  			DBG_871X("%s wait sreset_inprogress done\n", __func__);
  	}
  #endif
  
  	if (pwrpriv->bInternalAutoSuspend == _FALSE && pwrpriv->bInSuspend) {
  		DBG_871X("%s wait bInSuspend...\n", __func__);
  		while (pwrpriv->bInSuspend 
  			&& ((rtw_get_passing_time_ms(start) <= 3000 && !rtw_is_do_late_resume(pwrpriv))
  				|| (rtw_get_passing_time_ms(start) <= 500 && rtw_is_do_late_resume(pwrpriv)))
  		) {
  			rtw_msleep_os(10);
  		}
  		if (pwrpriv->bInSuspend)
  			DBG_871X("%s wait bInSuspend timeout\n", __func__);
  		else
  			DBG_871X("%s wait bInSuspend done\n", __func__);
  	}
  
  	//System suspend is not allowed to wakeup
  	if((pwrpriv->bInternalAutoSuspend == _FALSE) && (_TRUE == pwrpriv->bInSuspend )){
  		ret = _FAIL;
  		goto exit;
  	}
  
  	//block???
  	if((pwrpriv->bInternalAutoSuspend == _TRUE)  && (padapter->net_closed == _TRUE)) {
  		ret = _FAIL;
  		goto exit;
  	}
  
  	//I think this should be check in IPS, LPS, autosuspend functions...
  	if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
  	{
  		ret = _SUCCESS;
  		goto exit;
  	}
  
  	if(rf_off == pwrpriv->rf_pwrstate )
  	{		
  #ifdef CONFIG_USB_HCI
  #ifdef CONFIG_AUTOSUSPEND
  		 if(pwrpriv->brfoffbyhw==_TRUE)
  		{
  			DBG_8192C("hw still in rf_off state ...........\n");
  			ret = _FAIL;
  			goto exit;
  		}
  		else if(padapter->registrypriv.usbss_enable)
  		{
  			DBG_8192C("%s call autoresume_enter....\n",__FUNCTION__);
  			if(_FAIL ==  autoresume_enter(padapter))
  			{
  				DBG_8192C("======> autoresume fail.............\n");
  				ret = _FAIL;
  				goto exit;
  			}	
  		}
  		else
  #endif
  #endif
  		{
  #ifdef CONFIG_IPS
  			DBG_8192C("%s call ips_leave....\n",__FUNCTION__);
  			if(_FAIL ==  ips_leave(padapter))
  			{
  				DBG_8192C("======> ips_leave fail.............\n");
  				ret = _FAIL;
  				goto exit;
  			}
  #endif
  		}
  	}
  
  	//TODO: the following checking need to be merged...
  	if(padapter->bDriverStopped
  		|| !padapter->bup
  		|| !padapter->hw_init_completed
  	){
  		DBG_8192C("%s: bDriverStopped=%d, bup=%d, hw_init_completed=%u\n"
  			, caller
  		   	, padapter->bDriverStopped
  		   	, padapter->bup
  		   	, padapter->hw_init_completed);
  		ret= _FALSE;
  		goto exit;
  	}
  
  exit:
  	if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
  		pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
  	return ret;
  
  }
  
  int rtw_pm_set_lps(_adapter *padapter, u8 mode)
  {
  	int	ret = 0;	
  	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
  	
  	if ( mode < PS_MODE_NUM )
  	{
  		if(pwrctrlpriv->power_mgnt !=mode)
  		{
  			if(PS_MODE_ACTIVE == mode)
  			{
  				LeaveAllPowerSaveMode(padapter);
  			}
  			else
  			{
  				pwrctrlpriv->LpsIdleCount = 2;
  			}
  			pwrctrlpriv->power_mgnt = mode;
  			pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
  		}
  	}
  	else
  	{
  		ret = -EINVAL;
  	}
  
  	return ret;
  }
  
  int rtw_pm_set_ips(_adapter *padapter, u8 mode)
  {
  	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
  
  	if( mode == IPS_NORMAL || mode == IPS_LEVEL_2 ) {
  		rtw_ips_mode_req(pwrctrlpriv, mode);
  		DBG_871X("%s %s\n", __FUNCTION__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
  		return 0;
  	} 
  	else if(mode ==IPS_NONE){
  		rtw_ips_mode_req(pwrctrlpriv, mode);
  		DBG_871X("%s %s\n", __FUNCTION__, "IPS_NONE");
  		if((padapter->bSurpriseRemoved ==0)&&(_FAIL == rtw_pwr_wakeup(padapter)) )
  			return -EFAULT;
  	}
  	else {
  		return -EINVAL;
  	}
  	return 0;
  }
  
  
  