[deliverable/linux.git] / drivers / staging / rtl8188eu / hal / odm_HWConfig.c

/******************************************************************************
 *
 * 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) | BIT(0);

		} 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) & BIT(0);

		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);
}
Commit	Line	Data
6c984c81 LF	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
	18	*
	19	******************************************************************************/
	20
	21	/* include files */
	22
	23	#include "odm_precomp.h"
	24
	25	#define READ_AND_CONFIG READ_AND_CONFIG_MP
	26
	27	#define READ_AND_CONFIG_MP(ic, txt) (ODM_ReadAndConfig##txt##ic(dm_odm))
	28	#define READ_AND_CONFIG_TC(ic, txt) (ODM_ReadAndConfig_TC##txt##ic(dm_odm))
	29
	30	static u8 odm_QueryRxPwrPercentage(s8 AntPower)
	31	{
	32	if ((AntPower <= -100) \|\| (AntPower >= 20))
	33	return 0;
	34	else if (AntPower >= 0)
	35	return 100;
	36	else
	37	return 100+AntPower;
	38	}
	39
	40	/* 2012/01/12 MH MOve some signal strength smooth method to MP HAL layer. */
	41	/* IF other SW team do not support the feature, remove this section.?? */
6c984c81 LF	42	static s32 odm_SignalScaleMapping_92CSeries(struct odm_dm_struct *dm_odm, s32 CurrSig)
	43	{
	44	s32 RetSig = 0;
	45
f395036d LF	46	if (CurrSig >= 51 && CurrSig <= 100)
	47	RetSig = 100;
	48	else if (CurrSig >= 41 && CurrSig <= 50)
	49	RetSig = 80 + ((CurrSig - 40)*2);
	50	else if (CurrSig >= 31 && CurrSig <= 40)
	51	RetSig = 66 + (CurrSig - 30);
	52	else if (CurrSig >= 21 && CurrSig <= 30)
	53	RetSig = 54 + (CurrSig - 20);
	54	else if (CurrSig >= 10 && CurrSig <= 20)
	55	RetSig = 42 + (((CurrSig - 10) * 2) / 3);
	56	else if (CurrSig >= 5 && CurrSig <= 9)
	57	RetSig = 22 + (((CurrSig - 5) * 3) / 2);
	58	else if (CurrSig >= 1 && CurrSig <= 4)
	59	RetSig = 6 + (((CurrSig - 1) * 3) / 2);
	60	else
	61	RetSig = CurrSig;
6c984c81 LF	62	return RetSig;
	63	}
	64
	65	static s32 odm_SignalScaleMapping(struct odm_dm_struct *dm_odm, s32 CurrSig)
	66	{
0735ea67	67	return odm_SignalScaleMapping_92CSeries(dm_odm, CurrSig);
6c984c81 LF	68	}
	69
	70	static u8 odm_EVMdbToPercentage(s8 Value)
	71	{
	72	/* -33dB~0dB to 0%~99% */
	73	s8 ret_val;
	74
	75	ret_val = Value;
	76
	77	if (ret_val >= 0)
	78	ret_val = 0;
	79	if (ret_val <= -33)
	80	ret_val = -33;
	81
	82	ret_val = 0 - ret_val;
	83	ret_val *= 3;
	84
	85	if (ret_val == 99)
	86	ret_val = 100;
	87	return ret_val;
	88	}
	89
	90	static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm,
	91	struct odm_phy_status_info *pPhyInfo,
	92	u8 *pPhyStatus,
	93	struct odm_per_pkt_info *pPktinfo)
	94	{
	95	struct sw_ant_switch *pDM_SWAT_Table = &dm_odm->DM_SWAT_Table;
	96	u8 i, Max_spatial_stream;
	97	s8 rx_pwr[4], rx_pwr_all = 0;
	98	u8 EVM, PWDB_ALL = 0, PWDB_ALL_BT;
	99	u8 RSSI, total_rssi = 0;
	100	u8 isCCKrate = 0;
	101	u8 rf_rx_num = 0;
	102	u8 cck_highpwr = 0;
	103	u8 LNA_idx, VGA_idx;
	104
	105	struct phy_status_rpt pPhyStaRpt = (struct phy_status_rpt )pPhyStatus;
	106
	107	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;
	108
cc25137f LF	109	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = -1;
cc25137f LF	110	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
6c984c81 LF	111
6c984c81 LF	112	if (isCCKrate) {
6c984c81 LF	113	u8 cck_agc_rpt;
	114
	115	dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++;
	116	/* (1)Hardware does not provide RSSI for CCK */
	117	/* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
	118
	119	cck_highpwr = dm_odm->bCckHighPower;
	120
7be921a2	121	cck_agc_rpt = pPhyStaRpt->cck_agc_rpt_ofdm_cfosho_a;
6c984c81 LF	122
	123	/* 2011.11.28 LukeLee: 88E use different LNA & VGA gain table */
	124	/* The RSSI formula should be modified according to the gain table */
	125	/* In 88E, cck_highpwr is always set to 1 */
07add2d3	126	LNA_idx = (cck_agc_rpt & 0xE0) >> 5;
adb3d770	127	VGA_idx = cck_agc_rpt & 0x1F;
6c0a555e LF	128	switch (LNA_idx) {
	129	case 7:
	130	if (VGA_idx <= 27)
	131	rx_pwr_all = -100 + 2(27-VGA_idx); / VGA_idx = 27~2 */
	132	else
	133	rx_pwr_all = -100;
	134	break;
	135	case 6:
	136	rx_pwr_all = -48 + 2(2-VGA_idx); / VGA_idx = 2~0 */
	137	break;
	138	case 5:
	139	rx_pwr_all = -42 + 2(7-VGA_idx); / VGA_idx = 7~5 */
	140	break;
	141	case 4:
	142	rx_pwr_all = -36 + 2(7-VGA_idx); / VGA_idx = 7~4 */
	143	break;
	144	case 3:
	145	rx_pwr_all = -24 + 2(7-VGA_idx); / VGA_idx = 7~0 */
	146	break;
	147	case 2:
	148	if (cck_highpwr)
	149	rx_pwr_all = -12 + 2(5-VGA_idx); / VGA_idx = 5~0 */
	150	else
	151	rx_pwr_all = -6 + 2*(5-VGA_idx);
	152	break;
	153	case 1:
	154	rx_pwr_all = 8-2*VGA_idx;
	155	break;
	156	case 0:
	157	rx_pwr_all = 14-2*VGA_idx;
	158	break;
	159	default:
	160	break;
	161	}
	162	rx_pwr_all += 6;
	163	PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
	164	if (!cck_highpwr) {
	165	if (PWDB_ALL >= 80)
	166	PWDB_ALL = ((PWDB_ALL-80)<<1)+((PWDB_ALL-80)>>1)+80;
	167	else if ((PWDB_ALL <= 78) && (PWDB_ALL >= 20))
	168	PWDB_ALL += 3;
	169	if (PWDB_ALL > 100)
	170	PWDB_ALL = 100;
6c984c81 LF	171	}
	172
	173	pPhyInfo->RxPWDBAll = PWDB_ALL;
	174	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL;
	175	pPhyInfo->RecvSignalPower = rx_pwr_all;
	176	/* (3) Get Signal Quality (EVM) */
	177	if (pPktinfo->bPacketMatchBSSID) {
	178	u8 SQ, SQ_rpt;
	179
0735ea67	180	if (pPhyInfo->RxPWDBAll > 40 && !dm_odm->bInHctTest) {
6c984c81 LF	181	SQ = 100;
	182	} else {
	183	SQ_rpt = pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all;
	184
	185	if (SQ_rpt > 64)
	186	SQ = 0;
	187	else if (SQ_rpt < 20)
	188	SQ = 100;
	189	else
	190	SQ = ((64-SQ_rpt) * 100) / 44;
	191	}
	192	pPhyInfo->SignalQuality = SQ;
cc25137f LF	193	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = SQ;
cc25137f LF	194	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
6c984c81 LF	195	}
	196	} else { /* is OFDM rate */
	197	dm_odm->PhyDbgInfo.NumQryPhyStatusOFDM++;
	198
	199	/* (1)Get RSSI for HT rate */
	200
cc25137f	201	for (i = RF_PATH_A; i < RF_PATH_MAX; i++) {
6c984c81 LF	202	/* 2008/01/30 MH we will judge RF RX path now. */
	203	if (dm_odm->RFPathRxEnable & BIT(i))
	204	rf_rx_num++;
	205
	206	rx_pwr[i] = ((pPhyStaRpt->path_agc[i].gain & 0x3F)*2) - 110;
	207
	208	pPhyInfo->RxPwr[i] = rx_pwr[i];
	209
	210	/* Translate DBM to percentage. */
	211	RSSI = odm_QueryRxPwrPercentage(rx_pwr[i]);
	212	total_rssi += RSSI;
	213
	214	/* Modification for ext-LNA board */
	215	if (dm_odm->BoardType == ODM_BOARD_HIGHPWR) {
	216	if ((pPhyStaRpt->path_agc[i].trsw) == 1)
	217	RSSI = (RSSI > 94) ? 100 : (RSSI + 6);
	218	else
	219	RSSI = (RSSI <= 16) ? (RSSI >> 3) : (RSSI - 16);
	220
	221	if ((RSSI <= 34) && (RSSI >= 4))
	222	RSSI -= 4;
	223	}
	224
	225	pPhyInfo->RxMIMOSignalStrength[i] = (u8)RSSI;
	226
	227	/* Get Rx snr value in DB */
	228	pPhyInfo->RxSNR[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
	229	dm_odm->PhyDbgInfo.RxSNRdB[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2);
6c984c81 LF	230	}
	231	/* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
	232	rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110;
	233
	234	PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
	235	PWDB_ALL_BT = PWDB_ALL;
	236
	237	pPhyInfo->RxPWDBAll = PWDB_ALL;
	238	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL_BT;
	239	pPhyInfo->RxPower = rx_pwr_all;
	240	pPhyInfo->RecvSignalPower = rx_pwr_all;
	241
0735ea67 LF	242	/* (3)EVM of HT rate */
	243	if (pPktinfo->Rate >= DESC92C_RATEMCS8 && pPktinfo->Rate <= DESC92C_RATEMCS15)
	244	Max_spatial_stream = 2; /* both spatial stream make sense */
	245	else
	246	Max_spatial_stream = 1; /* only spatial stream 1 makes sense */
	247
	248	for (i = 0; i < Max_spatial_stream; i++) {
	249	/* Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment */
	250	/* fill most significant bit to "zero" when doing shifting operation which may change a negative */
	251	/* value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore. */
	252	EVM = odm_EVMdbToPercentage((pPhyStaRpt->stream_rxevm[i])); /* dbm */
	253
	254	if (pPktinfo->bPacketMatchBSSID) {
cc25137f	255	if (i == RF_PATH_A) /* Fill value in RFD, Get the first spatial stream only */
0735ea67 LF	256	pPhyInfo->SignalQuality = (u8)(EVM & 0xff);
0735ea67 LF	257	pPhyInfo->RxMIMOSignalQuality[i] = (u8)(EVM & 0xff);
6c984c81 LF	258	}
	259	}
	260	}
	261	/* UI BSS List signal strength(in percentage), make it good looking, from 0~100. */
	262	/* It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). */
	263	if (isCCKrate) {
	264	pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, PWDB_ALL));/* PWDB_ALL; */
	265	} else {
	266	if (rf_rx_num != 0)
	267	pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(dm_odm, total_rssi /= rf_rx_num));
	268	}
	269
	270	/* For 92C/92D HW (Hybrid) Antenna Diversity */
	271	pDM_SWAT_Table->antsel = pPhyStaRpt->ant_sel;
	272	/* For 88E HW Antenna Diversity */
	273	dm_odm->DM_FatTable.antsel_rx_keep_0 = pPhyStaRpt->ant_sel;
	274	dm_odm->DM_FatTable.antsel_rx_keep_1 = pPhyStaRpt->ant_sel_b;
	275	dm_odm->DM_FatTable.antsel_rx_keep_2 = pPhyStaRpt->antsel_rx_keep_2;
	276	}
	277
6c984c81 LF	278	static void odm_Process_RSSIForDM(struct odm_dm_struct *dm_odm,
	279	struct odm_phy_status_info *pPhyInfo,
	280	struct odm_per_pkt_info *pPktinfo)
	281	{
	282	s32 UndecoratedSmoothedPWDB, UndecoratedSmoothedCCK;
	283	s32 UndecoratedSmoothedOFDM, RSSI_Ave;
	284	u8 isCCKrate = 0;
	285	u8 RSSI_max, RSSI_min, i;
	286	u32 OFDM_pkt = 0;
	287	u32 Weighting = 0;
	288	struct sta_info *pEntry;
6c0a555e LF	289	u8 antsel_tr_mux;
6c0a555e LF	290	struct fast_ant_train *pDM_FatTable = &dm_odm->DM_FatTable;
6c984c81 LF	291
	292	if (pPktinfo->StationID == 0xFF)
	293	return;
	294	pEntry = dm_odm->pODM_StaInfo[pPktinfo->StationID];
	295	if (!IS_STA_VALID(pEntry))
	296	return;
	297	if ((!pPktinfo->bPacketMatchBSSID))
	298	return;
	299
	300	isCCKrate = ((pPktinfo->Rate >= DESC92C_RATE1M) && (pPktinfo->Rate <= DESC92C_RATE11M)) ? true : false;
	301
	302	/* Smart Antenna Debug Message------------------ */
6c0a555e LF	303
	304	if (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV) {
	305	if (pDM_FatTable->FAT_State == FAT_TRAINING_STATE) {
	306	if (pPktinfo->bPacketToSelf) {
6c984c81	307	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) \|
6c0a555e LF	308	(pDM_FatTable->antsel_rx_keep_1<<1) \|
	309	pDM_FatTable->antsel_rx_keep_0;
	310	pDM_FatTable->antSumRSSI[antsel_tr_mux] += pPhyInfo->RxPWDBAll;
	311	pDM_FatTable->antRSSIcnt[antsel_tr_mux]++;
6c984c81 LF	312	}
6c984c81 LF	313	}
6c0a555e LF	314	} else if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) \|\| (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV)) {
	315	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
	316	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2<<2) \|
	317	(pDM_FatTable->antsel_rx_keep_1<<1) \| pDM_FatTable->antsel_rx_keep_0;
5c45dde4	318	rtl88eu_dm_ant_sel_statistics(dm_odm, antsel_tr_mux, pPktinfo->StationID, pPhyInfo->RxPWDBAll);
6c0a555e	319	}
6c984c81 LF	320	}
	321	/* Smart Antenna Debug Message------------------ */
	322
	323	UndecoratedSmoothedCCK = pEntry->rssi_stat.UndecoratedSmoothedCCK;
	324	UndecoratedSmoothedOFDM = pEntry->rssi_stat.UndecoratedSmoothedOFDM;
	325	UndecoratedSmoothedPWDB = pEntry->rssi_stat.UndecoratedSmoothedPWDB;
	326
	327	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
	328	if (!isCCKrate) { /* ofdm rate */
cc25137f LF	329	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_B] == 0) {
cc25137f LF	330	RSSI_Ave = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
6c984c81	331	} else {
cc25137f LF	332	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_A] > pPhyInfo->RxMIMOSignalStrength[RF_PATH_B]) {
	333	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
	334	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
6c984c81	335	} else {
cc25137f LF	336	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
cc25137f LF	337	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
6c984c81 LF	338	}
	339	if ((RSSI_max - RSSI_min) < 3)
	340	RSSI_Ave = RSSI_max;
	341	else if ((RSSI_max - RSSI_min) < 6)
	342	RSSI_Ave = RSSI_max - 1;
	343	else if ((RSSI_max - RSSI_min) < 10)
	344	RSSI_Ave = RSSI_max - 2;
	345	else
	346	RSSI_Ave = RSSI_max - 3;
	347	}
	348
	349	/* 1 Process OFDM RSSI */
	350	if (UndecoratedSmoothedOFDM <= 0) { /* initialize */
	351	UndecoratedSmoothedOFDM = pPhyInfo->RxPWDBAll;
	352	} else {
	353	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedOFDM) {
	354	UndecoratedSmoothedOFDM =
	355	(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
	356	(RSSI_Ave)) / (Rx_Smooth_Factor);
	357	UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM + 1;
	358	} else {
	359	UndecoratedSmoothedOFDM =
	360	(((UndecoratedSmoothedOFDM)*(Rx_Smooth_Factor-1)) +
	361	(RSSI_Ave)) / (Rx_Smooth_Factor);
	362	}
	363	}
	364
9c68ed09	365	pEntry->rssi_stat.PacketMap = (pEntry->rssi_stat.PacketMap<<1) \| BIT(0);
6c984c81 LF	366
	367	} else {
	368	RSSI_Ave = pPhyInfo->RxPWDBAll;
	369
	370	/* 1 Process CCK RSSI */
	371	if (UndecoratedSmoothedCCK <= 0) { /* initialize */
	372	UndecoratedSmoothedCCK = pPhyInfo->RxPWDBAll;
	373	} else {
	374	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedCCK) {
	375	UndecoratedSmoothedCCK =
	376	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
	377	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	378	UndecoratedSmoothedCCK = UndecoratedSmoothedCCK + 1;
	379	} else {
	380	UndecoratedSmoothedCCK =
	381	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor-1)) +
	382	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	383	}
	384	}
	385	pEntry->rssi_stat.PacketMap = pEntry->rssi_stat.PacketMap<<1;
	386	}
	387	/* 2011.07.28 LukeLee: modified to prevent unstable CCK RSSI */
	388	if (pEntry->rssi_stat.ValidBit >= 64)
	389	pEntry->rssi_stat.ValidBit = 64;
	390	else
	391	pEntry->rssi_stat.ValidBit++;
	392
	393	for (i = 0; i < pEntry->rssi_stat.ValidBit; i++)
9c68ed09	394	OFDM_pkt += (u8)(pEntry->rssi_stat.PacketMap>>i) & BIT(0);
6c984c81 LF	395
	396	if (pEntry->rssi_stat.ValidBit == 64) {
	397	Weighting = ((OFDM_pkt<<4) > 64) ? 64 : (OFDM_pkt<<4);
	398	UndecoratedSmoothedPWDB = (WeightingUndecoratedSmoothedOFDM+(64-Weighting)UndecoratedSmoothedCCK)>>6;
	399	} else {
	400	if (pEntry->rssi_stat.ValidBit != 0)
	401	UndecoratedSmoothedPWDB = (OFDM_pkt * UndecoratedSmoothedOFDM +
	402	(pEntry->rssi_stat.ValidBit-OFDM_pkt) *
	403	UndecoratedSmoothedCCK)/pEntry->rssi_stat.ValidBit;
	404	else
	405	UndecoratedSmoothedPWDB = 0;
	406	}
	407	pEntry->rssi_stat.UndecoratedSmoothedCCK = UndecoratedSmoothedCCK;
	408	pEntry->rssi_stat.UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM;
	409	pEntry->rssi_stat.UndecoratedSmoothedPWDB = UndecoratedSmoothedPWDB;
	410	}
	411	}
	412
	413	/* Endianness before calling this API */
	414	static void ODM_PhyStatusQuery_92CSeries(struct odm_dm_struct *dm_odm,
	415	struct odm_phy_status_info *pPhyInfo,
	416	u8 *pPhyStatus,
	417	struct odm_per_pkt_info *pPktinfo)
	418	{
	419	odm_RxPhyStatus92CSeries_Parsing(dm_odm, pPhyInfo, pPhyStatus,
	420	pPktinfo);
	421	if (dm_odm->RSSI_test) {
e96031d0	422	;/* Select the packets to do RSSI checking for antenna switching. */
6c984c81 LF	423	} else {
	424	odm_Process_RSSIForDM(dm_odm, pPhyInfo, pPktinfo);
	425	}
	426	}
	427
	428	void ODM_PhyStatusQuery(struct odm_dm_struct *dm_odm,
	429	struct odm_phy_status_info *pPhyInfo,
	430	u8 pPhyStatus, struct odm_per_pkt_info pPktinfo)
	431	{
	432	ODM_PhyStatusQuery_92CSeries(dm_odm, pPhyInfo, pPhyStatus, pPktinfo);
	433	}