/******************************************************************************
 *
 * 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.
 *
 * 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
 *
 *
 ******************************************************************************/
//============================================================
// Description:
//
// This file is for 92CE/92CU dynamic mechanism only
//
//
//============================================================
#define _RTL8723B_DM_C_

//============================================================
// include files
//============================================================
#include <rtl8723b_hal.h>

//============================================================
// Global var
//============================================================


static VOID
dm_CheckProtection(
	IN	PADAPTER	Adapter
	)
{
#if 0
	PMGNT_INFO		pMgntInfo = &(Adapter->MgntInfo);
	u1Byte			CurRate, RateThreshold;

	if(pMgntInfo->pHTInfo->bCurBW40MHz)
		RateThreshold = MGN_MCS1;
	else
		RateThreshold = MGN_MCS3;

	if(Adapter->TxStats.CurrentInitTxRate <= RateThreshold)
	{
		pMgntInfo->bDmDisableProtect = TRUE;
		DbgPrint("Forced disable protect: %x\n", Adapter->TxStats.CurrentInitTxRate);
	}
	else
	{
		pMgntInfo->bDmDisableProtect = FALSE;
		DbgPrint("Enable protect: %x\n", Adapter->TxStats.CurrentInitTxRate);
	}
#endif
}

static VOID
dm_CheckStatistics(
	IN	PADAPTER	Adapter
	)
{
#if 0
	if(!Adapter->MgntInfo.bMediaConnect)
		return;

	//2008.12.10 tynli Add for getting Current_Tx_Rate_Reg flexibly.
	rtw_hal_get_hwreg( Adapter, HW_VAR_INIT_TX_RATE, (pu1Byte)(&Adapter->TxStats.CurrentInitTxRate) );

	// Calculate current Tx Rate(Successful transmited!!)

	// Calculate current Rx Rate(Successful received!!)

	//for tx tx retry count
	rtw_hal_get_hwreg( Adapter, HW_VAR_RETRY_COUNT, (pu1Byte)(&Adapter->TxStats.NumTxRetryCount) );
#endif
}
#ifdef CONFIG_SUPPORT_HW_WPS_PBC
static void dm_CheckPbcGPIO(_adapter *padapter)
{
	u8	tmp1byte;
	u8	bPbcPressed = _FALSE;

	if(!padapter->registrypriv.hw_wps_pbc)
		return;

#ifdef CONFIG_USB_HCI
	tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
	tmp1byte |= (HAL_8192C_HW_GPIO_WPS_BIT);
	rtw_write8(padapter, GPIO_IO_SEL, tmp1byte);	//enable GPIO[2] as output mode

	tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
	rtw_write8(padapter,  GPIO_IN, tmp1byte);		//reset the floating voltage level

	tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
	tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
	rtw_write8(padapter, GPIO_IO_SEL, tmp1byte);	//enable GPIO[2] as input mode

	tmp1byte =rtw_read8(padapter, GPIO_IN);

	if (tmp1byte == 0xff)
		return ;

	if (tmp1byte&HAL_8192C_HW_GPIO_WPS_BIT)
	{
		bPbcPressed = _TRUE;
	}
#else
	tmp1byte = rtw_read8(padapter, GPIO_IN);
	//RT_TRACE(COMP_IO, DBG_TRACE, ("dm_CheckPbcGPIO - %x\n", tmp1byte));

	if (tmp1byte == 0xff || padapter->init_adpt_in_progress)
		return ;

	if((tmp1byte&HAL_8192C_HW_GPIO_WPS_BIT)==0)
	{
		bPbcPressed = _TRUE;
	}
#endif

	if( _TRUE == bPbcPressed)
	{
		// Here we only set bPbcPressed to true
		// After trigger PBC, the variable will be set to false
		DBG_8192C("CheckPbcGPIO - PBC is pressed\n");
		rtw_request_wps_pbc_event(padapter);
	}
}
#endif //#ifdef CONFIG_SUPPORT_HW_WPS_PBC


#ifdef CONFIG_PCI_HCI
//
//	Description:
//		Perform interrupt migration dynamically to reduce CPU utilization.
//
//	Assumption:
//		1. Do not enable migration under WIFI test.
//
//	Created by Roger, 2010.03.05.
//
VOID
dm_InterruptMigration(
	IN	PADAPTER	Adapter
	)
{
	HAL_DATA_TYPE	*pHalData = GET_HAL_DATA(Adapter);
	struct mlme_priv	*pmlmepriv = &(Adapter->mlmepriv);
	BOOLEAN			bCurrentIntMt, bCurrentACIntDisable;
	BOOLEAN			IntMtToSet = _FALSE;
	BOOLEAN			ACIntToSet = _FALSE;


	// Retrieve current interrupt migration and Tx four ACs IMR settings first.
	bCurrentIntMt = pHalData->bInterruptMigration;
	bCurrentACIntDisable = pHalData->bDisableTxInt;

	//
	// <Roger_Notes> Currently we use busy traffic for reference instead of RxIntOK counts to prevent non-linear Rx statistics
	// when interrupt migration is set before. 2010.03.05.
	//
	if(!Adapter->registrypriv.wifi_spec &&
		(check_fwstate(pmlmepriv, _FW_LINKED)== _TRUE) &&
		pmlmepriv->LinkDetectInfo.bHigherBusyTraffic)
	{
		IntMtToSet = _TRUE;

		// To check whether we should disable Tx interrupt or not.
		if(pmlmepriv->LinkDetectInfo.bHigherBusyRxTraffic )
			ACIntToSet = _TRUE;
	}

	//Update current settings.
	if( bCurrentIntMt != IntMtToSet ){
		DBG_8192C("%s(): Update interrrupt migration(%d)\n",__FUNCTION__,IntMtToSet);
		if(IntMtToSet)
		{
			//
			// <Roger_Notes> Set interrrupt migration timer and corresponging Tx/Rx counter.
			// timer 25ns*0xfa0=100us for 0xf packets.
			// 2010.03.05.
			//
			rtw_write32(Adapter, REG_INT_MIG, 0xff000fa0);// 0x306:Rx, 0x307:Tx
			pHalData->bInterruptMigration = IntMtToSet;
		}
		else
		{
			// Reset all interrupt migration settings.
			rtw_write32(Adapter, REG_INT_MIG, 0);
			pHalData->bInterruptMigration = IntMtToSet;
		}
	}

	/*if( bCurrentACIntDisable != ACIntToSet ){
		DBG_8192C("%s(): Update AC interrrupt(%d)\n",__FUNCTION__,ACIntToSet);
		if(ACIntToSet) // Disable four ACs interrupts.
		{
			//
			// <Roger_Notes> Disable VO, VI, BE and BK four AC interrupts to gain more efficient CPU utilization.
			// When extremely highly Rx OK occurs, we will disable Tx interrupts.
			// 2010.03.05.
			//
			UpdateInterruptMask8192CE( Adapter, 0, RT_AC_INT_MASKS );
			pHalData->bDisableTxInt = ACIntToSet;
		}
		else// Enable four ACs interrupts.
		{
			UpdateInterruptMask8192CE( Adapter, RT_AC_INT_MASKS, 0 );
			pHalData->bDisableTxInt = ACIntToSet;
		}
	}*/

}

#endif

//
// Initialize GPIO setting registers
//
static void
dm_InitGPIOSetting(
	IN	PADAPTER	Adapter
	)
{
	PHAL_DATA_TYPE		pHalData = GET_HAL_DATA(Adapter);

	u8	tmp1byte;

	tmp1byte = rtw_read8(Adapter, REG_GPIO_MUXCFG);
	tmp1byte &= (GPIOSEL_GPIO | ~GPIOSEL_ENBT);

	rtw_write8(Adapter, REG_GPIO_MUXCFG, tmp1byte);
}
//============================================================
// functions
//============================================================
static void Init_ODM_ComInfo_8723b(PADAPTER	Adapter)
{
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	PDM_ODM_T		pDM_Odm = &(pHalData->odmpriv);
	u32 SupportAbility = 0;
	u8	cut_ver,fab_ver;

	Init_ODM_ComInfo(Adapter);

	ODM_CmnInfoInit(pDM_Odm, ODM_CMNINFO_PACKAGE_TYPE, pHalData->PackageType);

	fab_ver = ODM_TSMC;
	cut_ver = ODM_CUT_A;

	DBG_871X("%s(): fab_ver=%d cut_ver=%d\n", __func__, fab_ver, cut_ver);
	ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_FAB_VER,fab_ver);
	ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_CUT_VER,cut_ver);

	#ifdef CONFIG_DISABLE_ODM
	SupportAbility = 0;
	#else
	SupportAbility = 	ODM_RF_CALIBRATION |
					ODM_RF_TX_PWR_TRACK
					;
	#endif

	ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_ABILITY,SupportAbility);
}

static void Update_ODM_ComInfo_8723b(PADAPTER	Adapter)
{
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	PDM_ODM_T		pDM_Odm = &(pHalData->odmpriv);
	u32 SupportAbility = 0;

	SupportAbility = 0
		| ODM_BB_DIG
		| ODM_BB_RA_MASK
		| ODM_BB_DYNAMIC_TXPWR
		| ODM_BB_FA_CNT
		| ODM_BB_RSSI_MONITOR
		| ODM_BB_CCK_PD
		//| ODM_BB_PWR_SAVE
		| ODM_BB_CFO_TRACKING
		| ODM_MAC_EDCA_TURBO
		| ODM_RF_TX_PWR_TRACK
		| ODM_RF_CALIBRATION
		| ODM_BB_NHM_CNT
//		| ODM_BB_PWR_TRAIN
		;

	if (rtw_odm_adaptivity_needed(Adapter) == _TRUE) {
		rtw_odm_adaptivity_config_msg(RTW_DBGDUMP, Adapter);
		SupportAbility |= ODM_BB_ADAPTIVITY;
	}

#if (MP_DRIVER==1)
#endif//(MP_DRIVER==1)

#ifdef CONFIG_DISABLE_ODM
	SupportAbility = 0;
#endif//CONFIG_DISABLE_ODM

	ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_ABILITY,SupportAbility);
}

void
rtl8723b_InitHalDm(
	IN	PADAPTER	Adapter
	)
{
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	PDM_ODM_T		pDM_Odm = &(pHalData->odmpriv);

	u8	i;

#ifdef CONFIG_USB_HCI
	dm_InitGPIOSetting(Adapter);
#endif

	pHalData->DM_Type = DM_Type_ByDriver;

	Update_ODM_ComInfo_8723b(Adapter);

	ODM_DMInit(pDM_Odm);

}

VOID
rtl8723b_HalDmWatchDog(
	IN	PADAPTER	Adapter
	)
{
	BOOLEAN		bFwCurrentInPSMode = _FALSE;
	BOOLEAN		bFwPSAwake = _TRUE;
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
#ifdef CONFIG_CONCURRENT_MODE
	PADAPTER pbuddy_adapter = Adapter->pbuddy_adapter;
#endif //CONFIG_CONCURRENT_MODE

//#if MP_DRIVER
//#endif

	if (!rtw_is_hw_init_completed(Adapter))
		goto skip_dm;

#ifdef CONFIG_LPS
	bFwCurrentInPSMode = adapter_to_pwrctl(Adapter)->bFwCurrentInPSMode;
	rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&bFwPSAwake));
#endif

#ifdef CONFIG_P2P
	// Fw is under p2p powersaving mode, driver should stop dynamic mechanism.
	// modifed by thomas. 2011.06.11.
	if(Adapter->wdinfo.p2p_ps_mode)
		bFwPSAwake = _FALSE;
#endif //CONFIG_P2P


	if ((rtw_is_hw_init_completed(Adapter))
		&& ((!bFwCurrentInPSMode) && bFwPSAwake)) {
		//
		// Calculate Tx/Rx statistics.
		//
		dm_CheckStatistics(Adapter);
		rtw_hal_check_rxfifo_full(Adapter);
		//
		// Dynamically switch RTS/CTS protection.
		//
		//dm_CheckProtection(Adapter);

#ifdef CONFIG_PCI_HCI
		// 20100630 Joseph: Disable Interrupt Migration mechanism temporarily because it degrades Rx throughput.
		// Tx Migration settings.
		//dm_InterruptMigration(Adapter);

		//if(Adapter->HalFunc.TxCheckStuckHandler(Adapter))
		//	PlatformScheduleWorkItem(&(GET_HAL_DATA(Adapter)->HalResetWorkItem));
#endif
	}

	//ODM
	if (rtw_is_hw_init_completed(Adapter))
	{
		u8	bLinked=_FALSE;
		u8	bsta_state=_FALSE;
		u8	bBtDisabled = _TRUE;

		if(rtw_linked_check(Adapter)){
			bLinked = _TRUE;
			if (check_fwstate(&Adapter->mlmepriv, WIFI_STATION_STATE))
				bsta_state = _TRUE;
		}

#ifdef CONFIG_CONCURRENT_MODE
		if(pbuddy_adapter && rtw_linked_check(pbuddy_adapter)){
			bLinked = _TRUE;
			if(pbuddy_adapter && check_fwstate(&pbuddy_adapter->mlmepriv, WIFI_STATION_STATE))
				bsta_state = _TRUE;
		}
#endif //CONFIG_CONCURRENT_MODE

		ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_LINK, bLinked);
		ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_STATION_STATE, bsta_state);

		//ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_RSSI_MIN, pdmpriv->MinUndecoratedPWDBForDM);

#ifdef CONFIG_BT_COEXIST
		bBtDisabled = rtw_btcoex_IsBtDisabled(Adapter);
#endif // CONFIG_BT_COEXIST
		ODM_CmnInfoUpdate(&pHalData->odmpriv, ODM_CMNINFO_BT_ENABLED, ((bBtDisabled == _TRUE)?_FALSE:_TRUE));

		ODM_DMWatchdog(&pHalData->odmpriv);
	}

skip_dm:

	// Check GPIO to determine current RF on/off and Pbc status.
	// Check Hardware Radio ON/OFF or not
	//if(Adapter->MgntInfo.PowerSaveControl.bGpioRfSw)
	//{
		//RTPRINT(FPWR, PWRHW, ("dm_CheckRfCtrlGPIO \n"));
	//	dm_CheckRfCtrlGPIO(Adapter);
	//}
#ifdef CONFIG_SUPPORT_HW_WPS_PBC
	dm_CheckPbcGPIO(Adapter);
#endif
	return;
}

void rtl8723b_hal_dm_in_lps(PADAPTER padapter)
{
	u32	PWDB_rssi=0;
	struct mlme_priv 	*pmlmepriv = &padapter->mlmepriv;
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(padapter);
	PDM_ODM_T		pDM_Odm = &pHalData->odmpriv;
	pDIG_T	pDM_DigTable = &pDM_Odm->DM_DigTable;
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct sta_info *psta = NULL;

	DBG_871X("%s, RSSI_Min=%d\n", __func__, pDM_Odm->RSSI_Min);

	//update IGI
	ODM_Write_DIG(pDM_Odm, pDM_Odm->RSSI_Min);


	//set rssi to fw
	psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
	if(psta && (psta->rssi_stat.UndecoratedSmoothedPWDB > 0))
	{
		PWDB_rssi = (psta->mac_id | (psta->rssi_stat.UndecoratedSmoothedPWDB<<16) );

		rtl8723b_set_rssi_cmd(padapter, (u8*)&PWDB_rssi);
	}

}

void rtl8723b_HalDmWatchDog_in_LPS(IN	PADAPTER	Adapter)
{
	u8	bLinked=_FALSE;
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	struct mlme_priv 	*pmlmepriv = &Adapter->mlmepriv;
	PDM_ODM_T		pDM_Odm = &pHalData->odmpriv;
	pDIG_T	pDM_DigTable = &pDM_Odm->DM_DigTable;
	struct sta_priv *pstapriv = &Adapter->stapriv;
	struct sta_info *psta = NULL;
#ifdef CONFIG_CONCURRENT_MODE
	PADAPTER pbuddy_adapter = Adapter->pbuddy_adapter;
#endif //CONFIG_CONCURRENT_MODE

	if (!rtw_is_hw_init_completed(Adapter))
		goto skip_lps_dm;


	if(rtw_linked_check(Adapter))
		bLinked = _TRUE;

#ifdef CONFIG_CONCURRENT_MODE
	if (pbuddy_adapter && rtw_linked_check(pbuddy_adapter))
		bLinked = _TRUE;
#endif //CONFIG_CONCURRENT_MODE

	ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_LINK, bLinked);

	if(bLinked == _FALSE)
		goto skip_lps_dm;

	if (!(pDM_Odm->SupportAbility & ODM_BB_RSSI_MONITOR))
		goto skip_lps_dm;


	//ODM_DMWatchdog(&pHalData->odmpriv);
	//Do DIG by RSSI In LPS-32K

      //.1 Find MIN-RSSI
	psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
	if(psta == NULL)
		goto skip_lps_dm;

	pHalData->EntryMinUndecoratedSmoothedPWDB = psta->rssi_stat.UndecoratedSmoothedPWDB;

	DBG_871X("CurIGValue=%d, EntryMinUndecoratedSmoothedPWDB = %d\n", pDM_DigTable->CurIGValue, pHalData->EntryMinUndecoratedSmoothedPWDB );

	if(pHalData->EntryMinUndecoratedSmoothedPWDB <=0)
		goto skip_lps_dm;

	pHalData->MinUndecoratedPWDBForDM = pHalData->EntryMinUndecoratedSmoothedPWDB;

	pDM_Odm->RSSI_Min = pHalData->MinUndecoratedPWDBForDM;

	//if(pDM_DigTable->CurIGValue != pDM_Odm->RSSI_Min)
	if((pDM_DigTable->CurIGValue > pDM_Odm->RSSI_Min + 5) ||
             (pDM_DigTable->CurIGValue < pDM_Odm->RSSI_Min - 5))

	{
		rtw_dm_in_lps_wk_cmd(Adapter);
	}


skip_lps_dm:

	return;

}

void rtl8723b_init_dm_priv(IN PADAPTER Adapter)
{
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	PDM_ODM_T 		podmpriv = &pHalData->odmpriv;
	Init_ODM_ComInfo_8723b(Adapter);
	ODM_InitAllTimers(podmpriv );
}

void rtl8723b_deinit_dm_priv(IN PADAPTER Adapter)
{
	PHAL_DATA_TYPE	pHalData = GET_HAL_DATA(Adapter);
	PDM_ODM_T 		podmpriv = &pHalData->odmpriv;
	ODM_CancelAllTimers(podmpriv);

}
