drivers/staging/rtl8188eu/hal/odm_HWConfig.c - arm/linux - Git at Google

 /******************************************************************************
  *
  * 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
  *
  *
  ******************************************************************************/

 /*  include files */

 #include "odm_precomp.h"

 #define READ_AND_CONFIG     READ_AND_CONFIG_MP

 #define READ_AND_CONFIG_MP(ic, txt) (ODM_ReadAndConfig##txt##ic(dm_odm))
 #define READ_AND_CONFIG_TC(ic, txt) (ODM_ReadAndConfig_TC##txt##ic(dm_odm))

 static u8 odm_QueryRxPwrPercentage(s8 AntPower)
 {
 	if ((AntPower <= -100) || (AntPower >= 20))
 		return	0;
 	else if (AntPower >= 0)
 		return	100;
 	else
 		return 100+AntPower;
 }

 /*  2012/01/12 MH MOve some signal strength smooth method to MP HAL layer. */
 /*  IF other SW team do not support the feature, remove this section.?? */
 static s32 odm_SignalScaleMapping_92CSeries(struct odm_dm_struct *dm_odm, s32 CurrSig)
 {
 	s32 RetSig = 0;

 	if (CurrSig >= 51 && CurrSig <= 100)
 		RetSig = 100;
 	else if (CurrSig >= 41 && CurrSig <= 50)
 		RetSig = 80 + ((CurrSig - 40)*2);
 	else if (CurrSig >= 31 && CurrSig <= 40)
 		RetSig = 66 + (CurrSig - 30);
 	else if (CurrSig >= 21 && CurrSig <= 30)
 		RetSig = 54 + (CurrSig - 20);
 	else if (CurrSig >= 10 && CurrSig <= 20)
 		RetSig = 42 + (((CurrSig - 10) * 2) / 3);
 	else if (CurrSig >= 5 && CurrSig <= 9)
 		RetSig = 22 + (((CurrSig - 5) * 3) / 2);
 	else if (CurrSig >= 1 && CurrSig <= 4)
 		RetSig = 6 + (((CurrSig - 1) * 3) / 2);
 	else
 		RetSig = CurrSig;
 	return RetSig;
 }

 static s32 odm_SignalScaleMapping(struct odm_dm_struct *dm_odm, s32 CurrSig)
 {
 	return odm_SignalScaleMapping_92CSeries(dm_odm, CurrSig);
 }

 static u8 odm_EVMdbToPercentage(s8 Value)
 {
 	/*  -33dB~0dB to 0%~99% */
 	s8 ret_val;

 	ret_val = Value;

 	if (ret_val >= 0)
 		ret_val = 0;
 	if (ret_val <= -33)
 		ret_val = -33;

 	ret_val = 0 - ret_val;
 	ret_val *= 3;

 	if (ret_val == 99)
 		ret_val = 100;
 	return ret_val;
 }

 static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm,
 			struct odm_phy_status_info *pPhyInfo,
 			u8 *pPhyStatus,
 			struct odm_per_pkt_info *pPktinfo)
 {
 	struct sw_ant_switch *pDM_SWAT_Table = &dm_odm->DM_SWAT_Table;
 	u8 i, Max_spatial_stream;
 	s8 rx_pwr[4], rx_pwr_all = 0;
 	u8 EVM, PWDB_ALL = 0, PWDB_ALL_BT;
 	u8 RSSI, total_rssi = 0;
 	u8 isCCKrate = 0;
 	u8 rf_rx_num = 0;
 	u8 cck_highpwr = 0;
 	u8 LNA_idx, VGA_idx;

 	struct phy_status_rpt *pPhyStaRpt = (struct phy_status_rpt *)pPhyStatus;

 	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;

 	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = -1;
 	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;

 	if (isCCKrate) {
 		u8 cck_agc_rpt;

 		dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++;
 		/*  (1)Hardware does not provide RSSI for CCK */
 		/*  (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */

 		cck_highpwr = dm_odm->bCckHighPower;

 		cck_agc_rpt =  pPhyStaRpt->cck_agc_rpt_ofdm_cfosho_a;

 		/* 2011.11.28 LukeLee: 88E use different LNA & VGA gain table */
 		/* The RSSI formula should be modified according to the gain table */
 		/* In 88E, cck_highpwr is always set to 1 */
 		LNA_idx = (cck_agc_rpt & 0xE0) >> 5;
 		VGA_idx = cck_agc_rpt & 0x1F;
 		switch (LNA_idx) {
 		case 7:
 			if (VGA_idx <= 27)
 				rx_pwr_all = -100 + 2*(27-VGA_idx); /* VGA_idx = 27~2 */
 			else
 				rx_pwr_all = -100;
 			break;
 		case 6:
 			rx_pwr_all = -48 + 2*(2-VGA_idx); /* VGA_idx = 2~0 */
 			break;
 		case 5:
 			rx_pwr_all = -42 + 2*(7-VGA_idx); /* VGA_idx = 7~5 */
 			break;
 		case 4:
 			rx_pwr_all = -36 + 2*(7-VGA_idx); /* VGA_idx = 7~4 */
 			break;
 		case 3:
 			rx_pwr_all = -24 + 2*(7-VGA_idx); /* VGA_idx = 7~0 */
 			break;
 		case 2:
 			if (cck_highpwr)
 				rx_pwr_all = -12 + 2*(5-VGA_idx); /* VGA_idx = 5~0 */
 			else
 				rx_pwr_all = -6 + 2*(5-VGA_idx);
 			break;
 		case 1:
 			rx_pwr_all = 8-2*VGA_idx;
 			break;
 		case 0:
 			rx_pwr_all = 14-2*VGA_idx;
 			break;
 		default:
 			break;
 		}
 		rx_pwr_all += 6;
 		PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
 		if (!cck_highpwr) {
 			if (PWDB_ALL >= 80)
 				PWDB_ALL = ((PWDB_ALL-80)<<1)+((PWDB_ALL-80)>>1)+80;
 			else if ((PWDB_ALL <= 78) && (PWDB_ALL >= 20))
 				PWDB_ALL += 3;
 			if (PWDB_ALL > 100)
 				PWDB_ALL = 100;
 		}

 		pPhyInfo->RxPWDBAll = PWDB_ALL;
 		pPhyInfo->BTRxRSSIPercentage = PWDB_ALL;
 		pPhyInfo->RecvSignalPower = rx_pwr_all;
 		/*  (3) Get Signal Quality (EVM) */
 		if (pPktinfo->bPacketMatchBSSID) {
 			u8 SQ, SQ_rpt;

 			if (pPhyInfo->RxPWDBAll > 40 && !dm_odm->bInHctTest) {
 				SQ = 100;
 			} else {
 				SQ_rpt = pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all;

 				if (SQ_rpt > 64)
 					SQ = 0;
 				else if (SQ_rpt < 20)
 					SQ = 100;
 				else
 					SQ = ((64-SQ_rpt) * 100) / 44;
 			}
 			pPhyInfo->SignalQuality = SQ;
 			pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = SQ;
 			pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
 		}
 	} else { /* is OFDM rate */
 		dm_odm->PhyDbgInfo.NumQryPhyStatusOFDM++;

 		/*  (1)Get RSSI for HT rate */

 		 for (i = RF_PATH_A; i < RF_PATH_MAX; i++) {
 			/*  2008/01/30 MH we will judge RF RX path now. */
 			if (dm_odm->RFPathRxEnable & BIT(i))
 				rf_rx_num++;

 			rx_pwr[i] = ((pPhyStaRpt->path_agc[i].gain & 0x3F)*2) - 110;

 			pPhyInfo->RxPwr[i] = rx_pwr[i];

 			/* Translate DBM to percentage. */
 			RSSI = odm_QueryRxPwrPercentage(rx_pwr[i]);
 			total_rssi += RSSI;

 			/* Modification for ext-LNA board */
 			if (dm_odm->BoardType == ODM_BOARD_HIGHPWR) {
 				if ((pPhyStaRpt->path_agc[i].trsw) == 1)
 					RSSI = (RSSI > 94) ? 100 : (RSSI + 6);
 				else
 					RSSI = (RSSI <= 16) ? (RSSI >> 3) : (RSSI - 16);

 				if ((RSSI <= 34) && (RSSI >= 4))
 					RSSI -= 4;
 			}

 			pPhyInfo->RxMIMOSignalStrength[i] = (u8)RSSI;

 			/* Get Rx snr value in DB */
 			pPhyInfo->RxSNR[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
 			dm_odm->PhyDbgInfo.RxSNRdB[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
 		}
 		/*  (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
 		rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110;

 		PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
 		PWDB_ALL_BT = PWDB_ALL;

 		pPhyInfo->RxPWDBAll = PWDB_ALL;
 		pPhyInfo->BTRxRSSIPercentage = PWDB_ALL_BT;
 		pPhyInfo->RxPower = rx_pwr_all;
 		pPhyInfo->RecvSignalPower = rx_pwr_all;

 		/*  (3)EVM of HT rate */
 		if (pPktinfo->Rate >= DESC92C_RATEMCS8 && pPktinfo->Rate <= DESC92C_RATEMCS15)
 			Max_spatial_stream = 2; /* both spatial stream make sense */
 		else
 			Max_spatial_stream = 1; /* only spatial stream 1 makes sense */

 		for (i = 0; i < Max_spatial_stream; i++) {
 			/*  Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment */
 			/*  fill most significant bit to "zero" when doing shifting operation which may change a negative */
 			/*  value to positive one, then the dbm value (which is supposed to be negative)  is not correct anymore. */
 			EVM = odm_EVMdbToPercentage((pPhyStaRpt->stream_rxevm[i]));	/* dbm */

 			if (pPktinfo->bPacketMatchBSSID) {
 				if (i == RF_PATH_A) /*  Fill value in RFD, Get the first spatial stream only */
 					pPhyInfo->SignalQuality = (u8)(EVM & 0xff);
 				pPhyInfo->RxMIMOSignalQuality[i] = (u8)(EVM & 0xff);
 			}
 		}
 	}
 	/* UI BSS List signal strength(in percentage), make it good looking, from 0~100. */
 	/* It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). */
 	if (isCCKrate) {
 		pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, PWDB_ALL));/* PWDB_ALL; */
 	} else {
 		if (rf_rx_num != 0)
 			pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, total_rssi /= rf_rx_num));
 	}

 	/* For 92C/92D HW (Hybrid) Antenna Diversity */
 	pDM_SWAT_Table->antsel = pPhyStaRpt->ant_sel;
 	/* For 88E HW Antenna Diversity */
 	dm_odm->DM_FatTable.antsel_rx_keep_0 = pPhyStaRpt->ant_sel;
 	dm_odm->DM_FatTable.antsel_rx_keep_1 = pPhyStaRpt->ant_sel_b;
 	dm_odm->DM_FatTable.antsel_rx_keep_2 = pPhyStaRpt->antsel_rx_keep_2;
 }

 static void odm_Process_RSSIForDM(struct odm_dm_struct *dm_odm,
 				  struct odm_phy_status_info *pPhyInfo,
 				  struct odm_per_pkt_info *pPktinfo)
 {
 	s32 UndecoratedSmoothedPWDB, UndecoratedSmoothedCCK;
 	s32 UndecoratedSmoothedOFDM, RSSI_Ave;
 	u8 isCCKrate = 0;
 	u8 RSSI_max, RSSI_min, i;
 	u32 OFDM_pkt = 0;
 	u32 Weighting = 0;
 	struct sta_info *pEntry;
 	u8 antsel_tr_mux;
 	struct fast_ant_train *pDM_FatTable = &dm_odm->DM_FatTable;

 	if (pPktinfo->StationID == 0xFF)
 		return;
 	pEntry = dm_odm->pODM_StaInfo[pPktinfo->StationID];
 	if (!IS_STA_VALID(pEntry))
 		return;
 	if ((!pPktinfo->bPacketMatchBSSID))
 		return;

 	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;

 	/* Smart Antenna Debug Message------------------  */

 	if (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV) {
 		if (pDM_FatTable->FAT_State == FAT_TRAINING_STATE) {
 			if (pPktinfo->bPacketToSelf) {
 				antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) |
 						(pDM_FatTable->antsel_rx_keep_1<<1) |
 						pDM_FatTable->antsel_rx_keep_0;
 				pDM_FatTable->antSumRSSI[antsel_tr_mux] += pPhyInfo->RxPWDBAll;
 				pDM_FatTable->antRSSIcnt[antsel_tr_mux]++;
 			}
 		}
 	} else if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) || (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV)) {
 		if (pPktinfo->bPacketToSelf || pPktinfo->bPacketBeacon) {
 			antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) |
 					(pDM_FatTable->antsel_rx_keep_1<<1) | pDM_FatTable->antsel_rx_keep_0;
 			rtl88eu_dm_ant_sel_statistics(dm_odm, antsel_tr_mux, pPktinfo->StationID, pPhyInfo->RxPWDBAll);
 		}
 	}
 	/* Smart Antenna Debug Message------------------ */

 	UndecoratedSmoothedCCK =  pEntry->rssi_stat.UndecoratedSmoothedCCK;
 	UndecoratedSmoothedOFDM = pEntry->rssi_stat.UndecoratedSmoothedOFDM;
 	UndecoratedSmoothedPWDB = pEntry->rssi_stat.UndecoratedSmoothedPWDB;

 	if (pPktinfo->bPacketToSelf || pPktinfo->bPacketBeacon) {
 		if (!isCCKrate) { /* ofdm rate */
 			if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_B] == 0) {
 				RSSI_Ave = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
 			} else {
 				if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_A] > pPhyInfo->RxMIMOSignalStrength[RF_PATH_B]) {
 					RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
 					RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
 				} else {
 					RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
 					RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
 				}
 				if ((RSSI_max - RSSI_min) < 3)
 					RSSI_Ave = RSSI_max;
 				else if ((RSSI_max - RSSI_min) < 6)
 					RSSI_Ave = RSSI_max - 1;
 				else if ((RSSI_max - RSSI_min) < 10)
 					RSSI_Ave = RSSI_max - 2;
 				else
 					RSSI_Ave = RSSI_max - 3;
 			}

 			/* 1 Process OFDM RSSI */
 			if (UndecoratedSmoothedOFDM <= 0) {	/*  initialize */
 				UndecoratedSmoothedOFDM = pPhyInfo->RxPWDBAll;
 			} else {
 				if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedOFDM) {
 					UndecoratedSmoothedOFDM =
 							(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
 							(RSSI_Ave)) / (Rx_Smooth_Factor);
 					UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM + 1;
 				} else {
 					UndecoratedSmoothedOFDM =
 							(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
 							(RSSI_Ave)) / (Rx_Smooth_Factor);
 				}
 			}

 			pEntry->rssi_stat.PacketMap = (pEntry->rssi_stat.PacketMap<<1) | BIT0;

 		} else {
 			RSSI_Ave = pPhyInfo->RxPWDBAll;

 			/* 1 Process CCK RSSI */
 			if (UndecoratedSmoothedCCK <= 0) {	/*  initialize */
 				UndecoratedSmoothedCCK = pPhyInfo->RxPWDBAll;
 			} else {
 				if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedCCK) {
 					UndecoratedSmoothedCCK =
 							((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
 							pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
 					UndecoratedSmoothedCCK = UndecoratedSmoothedCCK + 1;
 				} else {
 					UndecoratedSmoothedCCK =
 							((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
 							pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
 				}
 			}
 			pEntry->rssi_stat.PacketMap = pEntry->rssi_stat.PacketMap<<1;
 		}
 		/* 2011.07.28 LukeLee: modified to prevent unstable CCK RSSI */
 		if (pEntry->rssi_stat.ValidBit >= 64)
 			pEntry->rssi_stat.ValidBit = 64;
 		else
 			pEntry->rssi_stat.ValidBit++;

 		for (i = 0; i < pEntry->rssi_stat.ValidBit; i++)
 			OFDM_pkt += (u8)(pEntry->rssi_stat.PacketMap>>i)&BIT0;

 		if (pEntry->rssi_stat.ValidBit == 64) {
 			Weighting = ((OFDM_pkt<<4) > 64) ? 64 : (OFDM_pkt<<4);
 			UndecoratedSmoothedPWDB = (Weighting*UndecoratedSmoothedOFDM+(64-Weighting)*UndecoratedSmoothedCCK)>>6;
 		} else {
 			if (pEntry->rssi_stat.ValidBit != 0)
 				UndecoratedSmoothedPWDB = (OFDM_pkt * UndecoratedSmoothedOFDM +
 							  (pEntry->rssi_stat.ValidBit-OFDM_pkt) *
 							  UndecoratedSmoothedCCK)/pEntry->rssi_stat.ValidBit;
 			else
 				UndecoratedSmoothedPWDB = 0;
 		}
 		pEntry->rssi_stat.UndecoratedSmoothedCCK = UndecoratedSmoothedCCK;
 		pEntry->rssi_stat.UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM;
 		pEntry->rssi_stat.UndecoratedSmoothedPWDB = UndecoratedSmoothedPWDB;
 	}
 }

 /*  Endianness before calling this API */
 static void ODM_PhyStatusQuery_92CSeries(struct odm_dm_struct *dm_odm,
 					 struct odm_phy_status_info *pPhyInfo,
 					 u8 *pPhyStatus,
 					 struct odm_per_pkt_info *pPktinfo)
 {
 	odm_RxPhyStatus92CSeries_Parsing(dm_odm, pPhyInfo, pPhyStatus,
 					 pPktinfo);
 	if (dm_odm->RSSI_test) {
 		;/*  Select the packets to do RSSI checking for antenna switching. */
 	} else {
 		odm_Process_RSSIForDM(dm_odm, pPhyInfo, pPktinfo);
 	}
 }

 void ODM_PhyStatusQuery(struct odm_dm_struct *dm_odm,
 			struct odm_phy_status_info *pPhyInfo,
 			u8 *pPhyStatus, struct odm_per_pkt_info *pPktinfo)
 {
 	ODM_PhyStatusQuery_92CSeries(dm_odm, pPhyInfo, pPhyStatus, pPktinfo);
 }
	/******************************************************************************
	*
	* 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
	*
	*
	******************************************************************************/

	/* include files */

	#include "odm_precomp.h"

	#define READ_AND_CONFIG READ_AND_CONFIG_MP

	#define READ_AND_CONFIG_MP(ic, txt) (ODM_ReadAndConfig##txt##ic(dm_odm))
	#define READ_AND_CONFIG_TC(ic, txt) (ODM_ReadAndConfig_TC##txt##ic(dm_odm))

	static u8 odm_QueryRxPwrPercentage(s8 AntPower)
	{
	if ((AntPower <= -100) \|\| (AntPower >= 20))
	return 0;
	else if (AntPower >= 0)
	return 100;
	else
	return 100+AntPower;
	}

	/* 2012/01/12 MH MOve some signal strength smooth method to MP HAL layer. */
	/* IF other SW team do not support the feature, remove this section.?? */
	static s32 odm_SignalScaleMapping_92CSeries(struct odm_dm_struct *dm_odm, s32 CurrSig)
	{
	s32 RetSig = 0;

	if (CurrSig >= 51 && CurrSig <= 100)
	RetSig = 100;
	else if (CurrSig >= 41 && CurrSig <= 50)
	RetSig = 80 + ((CurrSig - 40)*2);
	else if (CurrSig >= 31 && CurrSig <= 40)
	RetSig = 66 + (CurrSig - 30);
	else if (CurrSig >= 21 && CurrSig <= 30)
	RetSig = 54 + (CurrSig - 20);
	else if (CurrSig >= 10 && CurrSig <= 20)
	RetSig = 42 + (((CurrSig - 10) * 2) / 3);
	else if (CurrSig >= 5 && CurrSig <= 9)
	RetSig = 22 + (((CurrSig - 5) * 3) / 2);
	else if (CurrSig >= 1 && CurrSig <= 4)
	RetSig = 6 + (((CurrSig - 1) * 3) / 2);
	else
	RetSig = CurrSig;
	return RetSig;
	}

	static s32 odm_SignalScaleMapping(struct odm_dm_struct *dm_odm, s32 CurrSig)
	{
	return odm_SignalScaleMapping_92CSeries(dm_odm, CurrSig);
	}

	static u8 odm_EVMdbToPercentage(s8 Value)
	{
	/* -33dB~0dB to 0%~99% */
	s8 ret_val;

	ret_val = Value;

	if (ret_val >= 0)
	ret_val = 0;
	if (ret_val <= -33)
	ret_val = -33;

	ret_val = 0 - ret_val;
	ret_val *= 3;

	if (ret_val == 99)
	ret_val = 100;
	return ret_val;
	}

	static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm,
	struct odm_phy_status_info *pPhyInfo,
	u8 *pPhyStatus,
	struct odm_per_pkt_info *pPktinfo)
	{
	struct sw_ant_switch *pDM_SWAT_Table = &dm_odm->DM_SWAT_Table;
	u8 i, Max_spatial_stream;
	s8 rx_pwr[4], rx_pwr_all = 0;
	u8 EVM, PWDB_ALL = 0, PWDB_ALL_BT;
	u8 RSSI, total_rssi = 0;
	u8 isCCKrate = 0;
	u8 rf_rx_num = 0;
	u8 cck_highpwr = 0;
	u8 LNA_idx, VGA_idx;

	struct phy_status_rpt pPhyStaRpt = (struct phy_status_rpt )pPhyStatus;

	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;

	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = -1;
	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;

	if (isCCKrate) {
	u8 cck_agc_rpt;

	dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++;
	/* (1)Hardware does not provide RSSI for CCK */
	/* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */

	cck_highpwr = dm_odm->bCckHighPower;

	cck_agc_rpt = pPhyStaRpt->cck_agc_rpt_ofdm_cfosho_a;

	/* 2011.11.28 LukeLee: 88E use different LNA & VGA gain table */
	/* The RSSI formula should be modified according to the gain table */
	/* In 88E, cck_highpwr is always set to 1 */
	LNA_idx = (cck_agc_rpt & 0xE0) >> 5;
	VGA_idx = cck_agc_rpt & 0x1F;
	switch (LNA_idx) {
	case 7:
	if (VGA_idx <= 27)
	rx_pwr_all = -100 + 2(27-VGA_idx); / VGA_idx = 27~2 */
	else
	rx_pwr_all = -100;
	break;
	case 6:
	rx_pwr_all = -48 + 2(2-VGA_idx); / VGA_idx = 2~0 */
	break;
	case 5:
	rx_pwr_all = -42 + 2(7-VGA_idx); / VGA_idx = 7~5 */
	break;
	case 4:
	rx_pwr_all = -36 + 2(7-VGA_idx); / VGA_idx = 7~4 */
	break;
	case 3:
	rx_pwr_all = -24 + 2(7-VGA_idx); / VGA_idx = 7~0 */
	break;
	case 2:
	if (cck_highpwr)
	rx_pwr_all = -12 + 2(5-VGA_idx); / VGA_idx = 5~0 */
	else
	rx_pwr_all = -6 + 2*(5-VGA_idx);
	break;
	case 1:
	rx_pwr_all = 8-2*VGA_idx;
	break;
	case 0:
	rx_pwr_all = 14-2*VGA_idx;
	break;
	default:
	break;
	}
	rx_pwr_all += 6;
	PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
	if (!cck_highpwr) {
	if (PWDB_ALL >= 80)
	PWDB_ALL = ((PWDB_ALL-80)<<1)+((PWDB_ALL-80)>>1)+80;
	else if ((PWDB_ALL <= 78) && (PWDB_ALL >= 20))
	PWDB_ALL += 3;
	if (PWDB_ALL > 100)
	PWDB_ALL = 100;
	}

	pPhyInfo->RxPWDBAll = PWDB_ALL;
	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL;
	pPhyInfo->RecvSignalPower = rx_pwr_all;
	/* (3) Get Signal Quality (EVM) */
	if (pPktinfo->bPacketMatchBSSID) {
	u8 SQ, SQ_rpt;

	if (pPhyInfo->RxPWDBAll > 40 && !dm_odm->bInHctTest) {
	SQ = 100;
	} else {
	SQ_rpt = pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all;

	if (SQ_rpt > 64)
	SQ = 0;
	else if (SQ_rpt < 20)
	SQ = 100;
	else
	SQ = ((64-SQ_rpt) * 100) / 44;
	}
	pPhyInfo->SignalQuality = SQ;
	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = SQ;
	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
	}
	} else { /* is OFDM rate */
	dm_odm->PhyDbgInfo.NumQryPhyStatusOFDM++;

	/* (1)Get RSSI for HT rate */

	for (i = RF_PATH_A; i < RF_PATH_MAX; i++) {
	/* 2008/01/30 MH we will judge RF RX path now. */
	if (dm_odm->RFPathRxEnable & BIT(i))
	rf_rx_num++;

	rx_pwr[i] = ((pPhyStaRpt->path_agc[i].gain & 0x3F)*2) - 110;

	pPhyInfo->RxPwr[i] = rx_pwr[i];

	/* Translate DBM to percentage. */
	RSSI = odm_QueryRxPwrPercentage(rx_pwr[i]);
	total_rssi += RSSI;

	/* Modification for ext-LNA board */
	if (dm_odm->BoardType == ODM_BOARD_HIGHPWR) {
	if ((pPhyStaRpt->path_agc[i].trsw) == 1)
	RSSI = (RSSI > 94) ? 100 : (RSSI + 6);
	else
	RSSI = (RSSI <= 16) ? (RSSI >> 3) : (RSSI - 16);

	if ((RSSI <= 34) && (RSSI >= 4))
	RSSI -= 4;
	}

	pPhyInfo->RxMIMOSignalStrength[i] = (u8)RSSI;

	/* Get Rx snr value in DB */
	pPhyInfo->RxSNR[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
	dm_odm->PhyDbgInfo.RxSNRdB[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
	}
	/* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
	rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110;

	PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
	PWDB_ALL_BT = PWDB_ALL;

	pPhyInfo->RxPWDBAll = PWDB_ALL;
	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL_BT;
	pPhyInfo->RxPower = rx_pwr_all;
	pPhyInfo->RecvSignalPower = rx_pwr_all;

	/* (3)EVM of HT rate */
	if (pPktinfo->Rate >= DESC92C_RATEMCS8 && pPktinfo->Rate <= DESC92C_RATEMCS15)
	Max_spatial_stream = 2; /* both spatial stream make sense */
	else
	Max_spatial_stream = 1; /* only spatial stream 1 makes sense */

	for (i = 0; i < Max_spatial_stream; i++) {
	/* Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment */
	/* fill most significant bit to "zero" when doing shifting operation which may change a negative */
	/* value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore. */
	EVM = odm_EVMdbToPercentage((pPhyStaRpt->stream_rxevm[i])); /* dbm */

	if (pPktinfo->bPacketMatchBSSID) {
	if (i == RF_PATH_A) /* Fill value in RFD, Get the first spatial stream only */
	pPhyInfo->SignalQuality = (u8)(EVM & 0xff);
	pPhyInfo->RxMIMOSignalQuality[i] = (u8)(EVM & 0xff);
	}
	}
	}
	/* UI BSS List signal strength(in percentage), make it good looking, from 0~100. */
	/* It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). */
	if (isCCKrate) {
	pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, PWDB_ALL));/* PWDB_ALL; */
	} else {
	if (rf_rx_num != 0)
	pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, total_rssi /= rf_rx_num));
	}

	/* For 92C/92D HW (Hybrid) Antenna Diversity */
	pDM_SWAT_Table->antsel = pPhyStaRpt->ant_sel;
	/* For 88E HW Antenna Diversity */
	dm_odm->DM_FatTable.antsel_rx_keep_0 = pPhyStaRpt->ant_sel;
	dm_odm->DM_FatTable.antsel_rx_keep_1 = pPhyStaRpt->ant_sel_b;
	dm_odm->DM_FatTable.antsel_rx_keep_2 = pPhyStaRpt->antsel_rx_keep_2;
	}

	static void odm_Process_RSSIForDM(struct odm_dm_struct *dm_odm,
	struct odm_phy_status_info *pPhyInfo,
	struct odm_per_pkt_info *pPktinfo)
	{
	s32 UndecoratedSmoothedPWDB, UndecoratedSmoothedCCK;
	s32 UndecoratedSmoothedOFDM, RSSI_Ave;
	u8 isCCKrate = 0;
	u8 RSSI_max, RSSI_min, i;
	u32 OFDM_pkt = 0;
	u32 Weighting = 0;
	struct sta_info *pEntry;
	u8 antsel_tr_mux;
	struct fast_ant_train *pDM_FatTable = &dm_odm->DM_FatTable;

	if (pPktinfo->StationID == 0xFF)
	return;
	pEntry = dm_odm->pODM_StaInfo[pPktinfo->StationID];
	if (!IS_STA_VALID(pEntry))
	return;
	if ((!pPktinfo->bPacketMatchBSSID))
	return;

	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;

	/* Smart Antenna Debug Message------------------ */

	if (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV) {
	if (pDM_FatTable->FAT_State == FAT_TRAINING_STATE) {
	if (pPktinfo->bPacketToSelf) {
	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) \|
	(pDM_FatTable->antsel_rx_keep_1<<1) \|
	pDM_FatTable->antsel_rx_keep_0;
	pDM_FatTable->antSumRSSI[antsel_tr_mux] += pPhyInfo->RxPWDBAll;
	pDM_FatTable->antRSSIcnt[antsel_tr_mux]++;
	}
	}
	} else if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) \|\| (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV)) {
	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) \|
	(pDM_FatTable->antsel_rx_keep_1<<1) \| pDM_FatTable->antsel_rx_keep_0;
	rtl88eu_dm_ant_sel_statistics(dm_odm, antsel_tr_mux, pPktinfo->StationID, pPhyInfo->RxPWDBAll);
	}
	}
	/* Smart Antenna Debug Message------------------ */

	UndecoratedSmoothedCCK = pEntry->rssi_stat.UndecoratedSmoothedCCK;
	UndecoratedSmoothedOFDM = pEntry->rssi_stat.UndecoratedSmoothedOFDM;
	UndecoratedSmoothedPWDB = pEntry->rssi_stat.UndecoratedSmoothedPWDB;

	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
	if (!isCCKrate) { /* ofdm rate */
	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_B] == 0) {
	RSSI_Ave = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
	} else {
	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_A] > pPhyInfo->RxMIMOSignalStrength[RF_PATH_B]) {
	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
	} else {
	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
	}
	if ((RSSI_max - RSSI_min) < 3)
	RSSI_Ave = RSSI_max;
	else if ((RSSI_max - RSSI_min) < 6)
	RSSI_Ave = RSSI_max - 1;
	else if ((RSSI_max - RSSI_min) < 10)
	RSSI_Ave = RSSI_max - 2;
	else
	RSSI_Ave = RSSI_max - 3;
	}

	/* 1 Process OFDM RSSI */
	if (UndecoratedSmoothedOFDM <= 0) { /* initialize */
	UndecoratedSmoothedOFDM = pPhyInfo->RxPWDBAll;
	} else {
	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedOFDM) {
	UndecoratedSmoothedOFDM =
	(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
	(RSSI_Ave)) / (Rx_Smooth_Factor);
	UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM + 1;
	} else {
	UndecoratedSmoothedOFDM =
	(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
	(RSSI_Ave)) / (Rx_Smooth_Factor);
	}
	}

	pEntry->rssi_stat.PacketMap = (pEntry->rssi_stat.PacketMap<<1) \| BIT0;

	} else {
	RSSI_Ave = pPhyInfo->RxPWDBAll;

	/* 1 Process CCK RSSI */
	if (UndecoratedSmoothedCCK <= 0) { /* initialize */
	UndecoratedSmoothedCCK = pPhyInfo->RxPWDBAll;
	} else {
	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedCCK) {
	UndecoratedSmoothedCCK =
	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	UndecoratedSmoothedCCK = UndecoratedSmoothedCCK + 1;
	} else {
	UndecoratedSmoothedCCK =
	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	}
	}
	pEntry->rssi_stat.PacketMap = pEntry->rssi_stat.PacketMap<<1;
	}
	/* 2011.07.28 LukeLee: modified to prevent unstable CCK RSSI */
	if (pEntry->rssi_stat.ValidBit >= 64)
	pEntry->rssi_stat.ValidBit = 64;
	else
	pEntry->rssi_stat.ValidBit++;

	for (i = 0; i < pEntry->rssi_stat.ValidBit; i++)
	OFDM_pkt += (u8)(pEntry->rssi_stat.PacketMap>>i)&BIT0;

	if (pEntry->rssi_stat.ValidBit == 64) {
	Weighting = ((OFDM_pkt<<4) > 64) ? 64 : (OFDM_pkt<<4);
	UndecoratedSmoothedPWDB = (WeightingUndecoratedSmoothedOFDM+(64-Weighting)UndecoratedSmoothedCCK)>>6;
	} else {
	if (pEntry->rssi_stat.ValidBit != 0)
	UndecoratedSmoothedPWDB = (OFDM_pkt * UndecoratedSmoothedOFDM +
	(pEntry->rssi_stat.ValidBit-OFDM_pkt) *
	UndecoratedSmoothedCCK)/pEntry->rssi_stat.ValidBit;
	else
	UndecoratedSmoothedPWDB = 0;
	}
	pEntry->rssi_stat.UndecoratedSmoothedCCK = UndecoratedSmoothedCCK;
	pEntry->rssi_stat.UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM;
	pEntry->rssi_stat.UndecoratedSmoothedPWDB = UndecoratedSmoothedPWDB;
	}
	}

	/* Endianness before calling this API */
	static void ODM_PhyStatusQuery_92CSeries(struct odm_dm_struct *dm_odm,
	struct odm_phy_status_info *pPhyInfo,
	u8 *pPhyStatus,
	struct odm_per_pkt_info *pPktinfo)
	{
	odm_RxPhyStatus92CSeries_Parsing(dm_odm, pPhyInfo, pPhyStatus,
	pPktinfo);
	if (dm_odm->RSSI_test) {
	;/* Select the packets to do RSSI checking for antenna switching. */
	} else {
	odm_Process_RSSIForDM(dm_odm, pPhyInfo, pPktinfo);
	}
	}

	void ODM_PhyStatusQuery(struct odm_dm_struct *dm_odm,
	struct odm_phy_status_info *pPhyInfo,
	u8 pPhyStatus, struct odm_per_pkt_info pPktinfo)
	{
	ODM_PhyStatusQuery_92CSeries(dm_odm, pPhyInfo, pPhyStatus, pPktinfo);
	}