drivers/staging/rtl8723au/core/rtw_pwrctrl.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2012 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.
 *
 ******************************************************************************/
#define _RTW_PWRCTRL_C_

#include <osdep_service.h>
#include <drv_types.h>
#include <osdep_intf.h>

#ifdef CONFIG_8723AU_BT_COEXIST
#include <rtl8723a_hal.h>
#endif

void ips_enter23a(struct rtw_adapter * padapter)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;

	down(&pwrpriv->lock);

	pwrpriv->bips_processing = true;

	/*  syn ips_mode with request */
	pwrpriv->ips_mode = pwrpriv->ips_mode_req;

	pwrpriv->ips_enter23a_cnts++;
	DBG_8723A("==>ips_enter23a cnts:%d\n", pwrpriv->ips_enter23a_cnts);
#ifdef CONFIG_8723AU_BT_COEXIST
	BTDM_TurnOffBtCoexistBeforeEnterIPS(padapter);
#endif
	if (rf_off == pwrpriv->change_rfpwrstate)
	{
		pwrpriv->bpower_saving = true;
		DBG_8723A_LEVEL(_drv_always_, "nolinked power save enter\n");

		if (pwrpriv->ips_mode == IPS_LEVEL_2)
			pwrpriv->bkeepfwalive = true;

		rtw_ips_pwr_down23a(padapter);
		pwrpriv->rf_pwrstate = rf_off;
	}
	pwrpriv->bips_processing = false;

	up(&pwrpriv->lock);
}

int ips_leave23a(struct rtw_adapter * padapter)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
	struct security_priv *psecuritypriv = &padapter->securitypriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	int result = _SUCCESS;
	int keyid;

	down(&pwrpriv->lock);

	if ((pwrpriv->rf_pwrstate == rf_off) &&!pwrpriv->bips_processing)
	{
		pwrpriv->bips_processing = true;
		pwrpriv->change_rfpwrstate = rf_on;
		pwrpriv->ips_leave23a_cnts++;
		DBG_8723A("==>ips_leave23a cnts:%d\n", pwrpriv->ips_leave23a_cnts);

		if ((result = rtw_ips_pwr_up23a(padapter)) == _SUCCESS) {
			pwrpriv->rf_pwrstate = rf_on;
		}
		DBG_8723A_LEVEL(_drv_always_, "nolinked power save leave\n");

		if ((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) ||(_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm))
		{
			DBG_8723A("==>%s, channel(%d), processing(%x)\n", __func__, padapter->mlmeextpriv.cur_channel, pwrpriv->bips_processing);
			set_channel_bwmode23a(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
			for (keyid = 0;keyid<4;keyid++) {
				if (pmlmepriv->key_mask & CHKBIT(keyid)) {
					if (keyid == psecuritypriv->dot11PrivacyKeyIndex)
						result = rtw_set_key23a(padapter, psecuritypriv, keyid, 1);
					else
						result = rtw_set_key23a(padapter, psecuritypriv, keyid, 0);
				}
			}
		}

		DBG_8723A("==> ips_leave23a.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c));
		pwrpriv->bips_processing = false;

		pwrpriv->bkeepfwalive = false;
		pwrpriv->bpower_saving = false;
	}

	up(&pwrpriv->lock);

	return result;
}


static bool rtw_pwr_unassociated_idle(struct rtw_adapter *adapter)
{
	struct rtw_adapter *buddy = adapter->pbuddy_adapter;
	struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
	struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
	struct wifidirect_info *pwdinfo = &adapter->wdinfo;

	bool ret = false;

	if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
		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)
		|| !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)
	) {
		goto exit;
	}

	/* consider buddy, if exist */
	if (buddy) {
		struct mlme_priv *b_pmlmepriv = &buddy->mlmepriv;
		struct wifidirect_info *b_pwdinfo = &buddy->wdinfo;

		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)
			|| !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
		) {
			goto exit;
		}
	}

	if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
		pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
		DBG_8723A_LEVEL(_drv_always_, "There are some pkts to transmit\n");
		DBG_8723A_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
			pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
		goto exit;
	}

	ret = true;

exit:
	return ret;
}

void rtw_ps_processor23a(struct rtw_adapter*padapter)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	enum rt_rf_power_state rfpwrstate;

	pwrpriv->ps_processing = true;

	if (pwrpriv->bips_processing == true)
		goto exit;

	if (padapter->pwrctrlpriv.bHWPwrPindetect) {
		rfpwrstate = RfOnOffDetect23a(padapter);
		DBG_8723A("@@@@- #2  %s ==> rfstate:%s\n", __func__, (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_suspend23a(padapter);
			} else {
				pwrpriv->change_rfpwrstate = rf_on;
				rtw_hw_resume23a(padapter);
			}
			DBG_8723A("current rf_pwrstate(%s)\n", (pwrpriv->rf_pwrstate == rf_off)?"rf_off":"rf_on");
		}
		pwrpriv->pwr_state_check_cnts ++;
	}

	if (pwrpriv->ips_mode_req == IPS_NONE)
		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_8723A("==>%s .fw_state(%x)\n", __func__, get_fwstate(pmlmepriv));
		pwrpriv->change_rfpwrstate = rf_off;
		ips_enter23a(padapter);
	}
exit:
	rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
	pwrpriv->ps_processing = false;
	return;
}

static void pwr_state_check_handler(unsigned long data)
{
	struct rtw_adapter *padapter = (struct rtw_adapter *)data;
	rtw_ps_cmd23a(padapter);
}

/*
 *
 * Parameters
 *	padapter
 *	pslv			power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
 *
 */
void rtw_set_rpwm23a(struct rtw_adapter *padapter, u8 pslv)
{
	u8	rpwm;
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;



	pslv = PS_STATE(pslv);

	if (true == pwrpriv->btcoex_rfon)
	{
		if (pslv < PS_STATE_S4)
			pslv = PS_STATE_S3;
	}

	if (pwrpriv->rpwm == pslv) {
		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
			("%s: Already set rpwm[0x%02X], new = 0x%02X!\n", __func__, pwrpriv->rpwm, pslv));
		return;
	}

	if ((padapter->bSurpriseRemoved == true) ||
	    (padapter->hw_init_completed == false)) {
		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
				 ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
				  __func__, padapter->bSurpriseRemoved, padapter->hw_init_completed));

		pwrpriv->cpwm = PS_STATE_S4;

		return;
	}

	if (padapter->bDriverStopped == true) {
		RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
				 ("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv));

		if (pslv < PS_STATE_S2) {
			RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
					 ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv));
			return;
		}
	}

	rpwm = pslv | pwrpriv->tog;
	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
			 ("rtw_set_rpwm23a: rpwm = 0x%02x cpwm = 0x%02x\n", rpwm, pwrpriv->cpwm));

	pwrpriv->rpwm = pslv;

	rtw_hal_set_hwreg23a(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));

	pwrpriv->tog += 0x80;
	pwrpriv->cpwm = pslv;


}

u8 PS_RDY_CHECK(struct rtw_adapter * padapter)
{
	unsigned long delta_time;
	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;

	delta_time = jiffies - 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_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_8723A("Group handshake still in progress !!!\n");
		return false;
	}
	if (!rtw_cfg80211_pwr_mgmt(padapter))
		return false;

	return true;
}

void rtw_set_ps_mode23a(struct rtw_adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
#ifdef CONFIG_8723AU_P2P
	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
#endif /* CONFIG_8723AU_P2P */



	RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
			 ("%s: PowerMode =%d Smart_PS =%d\n",
			  __func__, 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)
	{
		if (PS_MODE_ACTIVE == ps_mode) return;

		if ((pwrpriv->smart_ps == smart_ps) &&
			(pwrpriv->bcn_ant_mode == bcn_ant_mode))
		{
			return;
		}
	}

	if (ps_mode == PS_MODE_ACTIVE) {
#ifdef CONFIG_8723AU_P2P
		if (pwdinfo->opp_ps == 0)
#endif /* CONFIG_8723AU_P2P */
		{
			DBG_8723A("rtw_set_ps_mode23a: Leave 802.11 power save\n");

			pwrpriv->pwr_mode = ps_mode;
			rtw_set_rpwm23a(padapter, PS_STATE_S4);
			rtw_hal_set_hwreg23a(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
			pwrpriv->bFwCurrentInPSMode = false;
		}
	}
	else
	{
		if (PS_RDY_CHECK(padapter)
#ifdef CONFIG_8723AU_BT_COEXIST
			|| (BT_1Ant(padapter) == true)
#endif
			)
		{
			DBG_8723A("%s: Enter 802.11 power save\n", __func__);

			pwrpriv->bFwCurrentInPSMode = true;
			pwrpriv->pwr_mode = ps_mode;
			pwrpriv->smart_ps = smart_ps;
			pwrpriv->bcn_ant_mode = bcn_ant_mode;
			rtw_hal_set_hwreg23a(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));

#ifdef CONFIG_8723AU_P2P
			/*  Set CTWindow after LPS */
			if (pwdinfo->opp_ps == 1)
				p2p_ps_wk_cmd23a(padapter, P2P_PS_ENABLE, 0);
#endif /* CONFIG_8723AU_P2P */

			rtw_set_rpwm23a(padapter, PS_STATE_S2);
		}
	}


}

/*
 * Return:
 *	0:	Leave OK
 *	-1:	Timeout
 *	-2:	Other error
 */
s32 LPS_RF_ON_check23a(struct rtw_adapter *padapter, u32 delay_ms)
{
	unsigned long start_time, end_time;
	u8 bAwake = false;
	s32 err = 0;

	start_time = jiffies;
	end_time = start_time + msecs_to_jiffies(delay_ms);

	while (1)
	{
		rtw23a_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
		if (true == bAwake)
			break;

		if (true == padapter->bSurpriseRemoved)
		{
			err = -2;
			DBG_8723A("%s: device surprise removed!!\n", __func__);
			break;
		}

		if (time_after(jiffies, end_time)) {
			err = -1;
			DBG_8723A("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
			break;
		}
		udelay(100);
	}

	return err;
}

/*	Description: */
/*		Enter the leisure power save mode. */
void LPS_Enter23a(struct rtw_adapter *padapter)
{
	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;

	if (!PS_RDY_CHECK(padapter))
		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) {
				pwrpriv->bpower_saving = true;
				DBG_8723A("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps);
				/* For Tenda W311R IOT issue */
				rtw_set_ps_mode23a(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0);
			}
		} else {
			pwrpriv->LpsIdleCount++;
		}
	}
}

/*	Description: */
/*		Leave the leisure power save mode. */
void LPS_Leave23a(struct rtw_adapter *padapter)
{
#define LPS_LEAVE_TIMEOUT_MS 100

	struct pwrctrl_priv	*pwrpriv = &padapter->pwrctrlpriv;

	if (pwrpriv->bLeisurePs) {
		if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
			rtw_set_ps_mode23a(padapter, PS_MODE_ACTIVE, 0, 0);

			if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
				LPS_RF_ON_check23a(padapter, LPS_LEAVE_TIMEOUT_MS);
		}
	}

	pwrpriv->bpower_saving = false;
}

/*  Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
/*  Move code to function by tynli. 2010.03.26. */
void LeaveAllPowerSaveMode23a(struct rtw_adapter *Adapter)
{
	struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
	u8	enqueue = 0;



	/* DBG_8723A("%s.....\n", __func__); */
	if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
	{ /* connect */
#ifdef CONFIG_8723AU_P2P
		p2p_ps_wk_cmd23a(Adapter, P2P_PS_DISABLE, enqueue);
#endif /* CONFIG_8723AU_P2P */

		rtw_lps_ctrl_wk_cmd23a(Adapter, LPS_CTRL_LEAVE, enqueue);
	}


}

void rtw_init_pwrctrl_priv23a(struct rtw_adapter *padapter)
{
	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;

	sema_init(&pwrctrlpriv->lock, 1);
	pwrctrlpriv->rf_pwrstate = rf_on;
	pwrctrlpriv->ips_enter23a_cnts = 0;
	pwrctrlpriv->ips_leave23a_cnts = 0;
	pwrctrlpriv->bips_processing = false;

	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;

	pwrctrlpriv->LpsIdleCount = 0;
	pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/*  PS_MODE_MIN; */
	pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false;

	pwrctrlpriv->bFwCurrentInPSMode = false;

	pwrctrlpriv->rpwm = 0;
	pwrctrlpriv->cpwm = PS_STATE_S4;

	pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
	pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
	pwrctrlpriv->bcn_ant_mode = 0;

	pwrctrlpriv->tog = 0x80;

	pwrctrlpriv->btcoex_rfon = false;

	setup_timer(&pwrctrlpriv->pwr_state_check_timer,
		    pwr_state_check_handler, (unsigned long)padapter);


}

void rtw_free_pwrctrl_priv(struct rtw_adapter *adapter)
{
}

u8 rtw_interface_ps_func23a(struct rtw_adapter *padapter, enum hal_intf_ps_func efunc_id, u8* val)
{
	u8 bResult = true;
	rtw_hal_intf_ps_func23a(padapter, efunc_id, val);

	return bResult;
}

inline void rtw_set_ips_deny23a(struct rtw_adapter *padapter, u32 ms)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
	pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(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_wakeup23a(struct rtw_adapter *padapter, u32 ips_deffer_ms, const char *caller)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	int ret = _SUCCESS;
	unsigned long start = jiffies;
	unsigned long new_deny_time;

	new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);

	if (time_before(pwrpriv->ips_deny_time, new_deny_time))
		pwrpriv->ips_deny_time = new_deny_time;

	if (pwrpriv->ps_processing) {
		DBG_8723A("%s wait ps_processing...\n", __func__);
		while (pwrpriv->ps_processing &&
		       jiffies_to_msecs(jiffies - start) <= 3000)
			msleep(10);
		if (pwrpriv->ps_processing)
			DBG_8723A("%s wait ps_processing timeout\n", __func__);
		else
			DBG_8723A("%s wait ps_processing done\n", __func__);
	}

	if (rtw_hal_sreset_inprogress(padapter)) {
		DBG_8723A("%s wait sreset_inprogress...\n", __func__);
		while (rtw_hal_sreset_inprogress(padapter) &&
		       jiffies_to_msecs(jiffies - start) <= 4000)
			msleep(10);
		if (rtw_hal_sreset_inprogress(padapter))
			DBG_8723A("%s wait sreset_inprogress timeout\n", __func__);
		else
			DBG_8723A("%s wait sreset_inprogress done\n", __func__);
	}

	if (pwrpriv->bInternalAutoSuspend == false && pwrpriv->bInSuspend) {
		DBG_8723A("%s wait bInSuspend...\n", __func__);
		while (pwrpriv->bInSuspend &&
		       (jiffies_to_msecs(jiffies - start) <= 3000)) {
			msleep(10);
		}
		if (pwrpriv->bInSuspend)
			DBG_8723A("%s wait bInSuspend timeout\n", __func__);
		else
			DBG_8723A("%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) {
		DBG_8723A("%s call ips_leave23a....\n", __func__);
		if (_FAIL ==  ips_leave23a(padapter)) {
			DBG_8723A("======> ips_leave23a fail.............\n");
			ret = _FAIL;
			goto exit;
		}
	}

	/* TODO: the following checking need to be merged... */
	if (padapter->bDriverStopped || !padapter->bup ||
	    !padapter->hw_init_completed) {
		DBG_8723A("%s: bDriverStopped =%d, bup =%d, hw_init_completed "
			  "=%u\n", caller, padapter->bDriverStopped,
			  padapter->bup, padapter->hw_init_completed);
		ret = false;
		goto exit;
	}

exit:
	new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
	if (time_before(pwrpriv->ips_deny_time, new_deny_time))
		pwrpriv->ips_deny_time = new_deny_time;
	return ret;
}

int rtw_pm_set_lps23a(struct rtw_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)
			{
				LeaveAllPowerSaveMode23a(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_ips23a(struct rtw_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_8723A("%s %s\n", __func__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
		return 0;
	}
	else if (mode == IPS_NONE) {
		rtw_ips_mode_req(pwrctrlpriv, mode);
		DBG_8723A("%s %s\n", __func__, "IPS_NONE");
		if ((padapter->bSurpriseRemoved == 0)&&_FAIL == rtw_pwr_wakeup(padapter))
			return -EFAULT;
	}
	else {
		return -EINVAL;
	}
	return 0;
}