[linux-block.git] / drivers / staging / rtl8188eu / hal / odm_hwconfig.c

// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
 *
 ******************************************************************************/

/*  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_query_rxpwrpercentage(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_signal_scale_mapping(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 u8 odm_evm_db_to_percentage(s8 value)
{
	/*  -33dB~0dB to 0%~99% */
	s8 ret_val = clamp(-value, 0, 33) * 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;
	bool is_cck_rate;
	u8 rf_rx_num = 0;
	u8 cck_highpwr = 0;
	u8 LNA_idx, VGA_idx;

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

	is_cck_rate = pPktinfo->Rate >= DESC92C_RATE1M &&
		      pPktinfo->Rate <= DESC92C_RATE11M;

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

	if (is_cck_rate) {
		u8 cck_agc_rpt;

		dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++;
		/*  (1)Hardware does not provide RSSI for CCK */
		/*  (2)PWDB, Average PWDB calculated 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_query_rxpwrpercentage(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_query_rxpwrpercentage(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 calculated by hardware (for rate adaptive) */
		rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110;

		PWDB_ALL = odm_query_rxpwrpercentage(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_evm_db_to_percentage((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 (is_cck_rate) {
		pPhyInfo->SignalStrength = (u8)(odm_signal_scale_mapping(dm_odm, PWDB_ALL));/* PWDB_ALL; */
	} else {
		if (rf_rx_num != 0)
			pPhyInfo->SignalStrength = (u8)(odm_signal_scale_mapping(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;
	bool is_cck_rate;
	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;

	is_cck_rate = pPktinfo->Rate >= DESC92C_RATE1M &&
		      pPktinfo->Rate <= DESC92C_RATE11M;

	/* 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 (!is_cck_rate) { /* 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 = min_t(u32, OFDM_pkt << 4, 64);
			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 */
void ODM_PhyStatusQuery(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);
}
Commit	Line	Data
71e9bd3f	1	// SPDX-License-Identifier: GPL-2.0
6c984c81 LF	2	/******************************************************************************
	3	*
	4	* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
	5	*
6c984c81 LF	6	******************************************************************************/
	7
	8	/* include files */
	9
	10	#include "odm_precomp.h"
	11
	12	#define READ_AND_CONFIG READ_AND_CONFIG_MP
	13
	14	#define READ_AND_CONFIG_MP(ic, txt) (ODM_ReadAndConfig##txt##ic(dm_odm))
	15	#define READ_AND_CONFIG_TC(ic, txt) (ODM_ReadAndConfig_TC##txt##ic(dm_odm))
	16
c8a2da5a	17	static u8 odm_query_rxpwrpercentage(s8 antpower)
6c984c81	18	{
5bd4658f	19	if ((antpower <= -100) \|\| (antpower >= 20))
d80c4b19	20	return 0;
5bd4658f	21	else if (antpower >= 0)
d80c4b19	22	return 100;
6c984c81	23	else
5bd4658f	24	return 100 + antpower;
6c984c81 LF	25	}
	26
	27	/* 2012/01/12 MH MOve some signal strength smooth method to MP HAL layer. */
	28	/* IF other SW team do not support the feature, remove this section.?? */
d88eb137	29	static s32 odm_signal_scale_mapping(struct odm_dm_struct *dm_odm, s32 currsig)
6c984c81	30	{
2ac94648	31	s32 retsig = 0;
6c984c81	32
b8c8d487	33	if (currsig >= 51 && currsig <= 100)
2ac94648	34	retsig = 100;
b8c8d487	35	else if (currsig >= 41 && currsig <= 50)
2ac94648	36	retsig = 80 + ((currsig - 40) * 2);
b8c8d487	37	else if (currsig >= 31 && currsig <= 40)
2ac94648	38	retsig = 66 + (currsig - 30);
b8c8d487	39	else if (currsig >= 21 && currsig <= 30)
2ac94648	40	retsig = 54 + (currsig - 20);
b8c8d487	41	else if (currsig >= 10 && currsig <= 20)
2ac94648	42	retsig = 42 + (((currsig - 10) * 2) / 3);
b8c8d487	43	else if (currsig >= 5 && currsig <= 9)
2ac94648	44	retsig = 22 + (((currsig - 5) * 3) / 2);
b8c8d487	45	else if (currsig >= 1 && currsig <= 4)
2ac94648	46	retsig = 6 + (((currsig - 1) * 3) / 2);
f395036d	47	else
2ac94648	48	retsig = currsig;
b8c8d487	49
2ac94648	50	return retsig;
6c984c81 LF	51	}
6c984c81 LF	52
af9c463d	53	static u8 odm_evm_db_to_percentage(s8 value)
6c984c81 LF	54	{
6c984c81 LF	55	/* -33dB~0dB to 0%~99% */
1a28bfda	56	s8 ret_val = clamp(-value, 0, 33) * 3;
6c984c81 LF	57
	58	if (ret_val == 99)
	59	ret_val = 100;
1a28bfda	60
6c984c81 LF	61	return ret_val;
	62	}
	63
	64	static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm,
	65	struct odm_phy_status_info *pPhyInfo,
	66	u8 *pPhyStatus,
	67	struct odm_per_pkt_info *pPktinfo)
	68	{
	69	struct sw_ant_switch *pDM_SWAT_Table = &dm_odm->DM_SWAT_Table;
ded11a81	70	u8 i, max_spatial_stream;
6c984c81 LF	71	s8 rx_pwr[4], rx_pwr_all = 0;
	72	u8 EVM, PWDB_ALL = 0, PWDB_ALL_BT;
	73	u8 RSSI, total_rssi = 0;
636e10b8	74	bool is_cck_rate;
6c984c81 LF	75	u8 rf_rx_num = 0;
	76	u8 cck_highpwr = 0;
	77	u8 LNA_idx, VGA_idx;
	78
	79	struct phy_status_rpt pPhyStaRpt = (struct phy_status_rpt )pPhyStatus;
	80
636e10b8 MS	81	is_cck_rate = pPktinfo->Rate >= DESC92C_RATE1M &&
636e10b8 MS	82	pPktinfo->Rate <= DESC92C_RATE11M;
6c984c81	83
cc25137f LF	84	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = -1;
cc25137f LF	85	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
6c984c81	86
755842d8	87	if (is_cck_rate) {
6c984c81 LF	88	u8 cck_agc_rpt;
	89
	90	dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++;
	91	/* (1)Hardware does not provide RSSI for CCK */
b677f4ec	92	/* (2)PWDB, Average PWDB calculated by hardware (for rate adaptive) */
6c984c81 LF	93
	94	cck_highpwr = dm_odm->bCckHighPower;
	95
7be921a2	96	cck_agc_rpt = pPhyStaRpt->cck_agc_rpt_ofdm_cfosho_a;
6c984c81 LF	97
	98	/* 2011.11.28 LukeLee: 88E use different LNA & VGA gain table */
	99	/* The RSSI formula should be modified according to the gain table */
	100	/* In 88E, cck_highpwr is always set to 1 */
07add2d3	101	LNA_idx = (cck_agc_rpt & 0xE0) >> 5;
adb3d770	102	VGA_idx = cck_agc_rpt & 0x1F;
6c0a555e LF	103	switch (LNA_idx) {
	104	case 7:
	105	if (VGA_idx <= 27)
69686deb	106	rx_pwr_all = -100 + 2 * (27 - VGA_idx); /* VGA_idx = 27~2 */
6c0a555e LF	107	else
	108	rx_pwr_all = -100;
	109	break;
	110	case 6:
69686deb	111	rx_pwr_all = -48 + 2 * (2 - VGA_idx); /* VGA_idx = 2~0 */
6c0a555e LF	112	break;
6c0a555e LF	113	case 5:
69686deb	114	rx_pwr_all = -42 + 2 * (7 - VGA_idx); /* VGA_idx = 7~5 */
6c0a555e LF	115	break;
6c0a555e LF	116	case 4:
69686deb	117	rx_pwr_all = -36 + 2 * (7 - VGA_idx); /* VGA_idx = 7~4 */
6c0a555e LF	118	break;
6c0a555e LF	119	case 3:
69686deb	120	rx_pwr_all = -24 + 2 * (7 - VGA_idx); /* VGA_idx = 7~0 */
6c0a555e LF	121	break;
	122	case 2:
	123	if (cck_highpwr)
69686deb	124	rx_pwr_all = -12 + 2 * (5 - VGA_idx); /* VGA_idx = 5~0 */
6c0a555e	125	else
69686deb	126	rx_pwr_all = -6 + 2 * (5 - VGA_idx);
6c0a555e LF	127	break;
6c0a555e LF	128	case 1:
69686deb	129	rx_pwr_all = 8 - 2 * VGA_idx;
6c0a555e LF	130	break;
6c0a555e LF	131	case 0:
69686deb	132	rx_pwr_all = 14 - 2 * VGA_idx;
6c0a555e LF	133	break;
	134	default:
	135	break;
	136	}
	137	rx_pwr_all += 6;
c8a2da5a	138	PWDB_ALL = odm_query_rxpwrpercentage(rx_pwr_all);
6c0a555e LF	139	if (!cck_highpwr) {
6c0a555e LF	140	if (PWDB_ALL >= 80)
69686deb	141	PWDB_ALL = ((PWDB_ALL - 80) << 1) + ((PWDB_ALL - 80) >> 1) + 80;
6c0a555e LF	142	else if ((PWDB_ALL <= 78) && (PWDB_ALL >= 20))
	143	PWDB_ALL += 3;
	144	if (PWDB_ALL > 100)
	145	PWDB_ALL = 100;
6c984c81 LF	146	}
	147
	148	pPhyInfo->RxPWDBAll = PWDB_ALL;
	149	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL;
	150	pPhyInfo->RecvSignalPower = rx_pwr_all;
	151	/* (3) Get Signal Quality (EVM) */
	152	if (pPktinfo->bPacketMatchBSSID) {
	153	u8 SQ, SQ_rpt;
	154
0735ea67	155	if (pPhyInfo->RxPWDBAll > 40 && !dm_odm->bInHctTest) {
6c984c81 LF	156	SQ = 100;
	157	} else {
	158	SQ_rpt = pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all;
	159
	160	if (SQ_rpt > 64)
	161	SQ = 0;
	162	else if (SQ_rpt < 20)
	163	SQ = 100;
	164	else
69686deb	165	SQ = ((64 - SQ_rpt) * 100) / 44;
6c984c81 LF	166	}
6c984c81 LF	167	pPhyInfo->SignalQuality = SQ;
cc25137f LF	168	pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = SQ;
cc25137f LF	169	pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
6c984c81 LF	170	}
	171	} else { /* is OFDM rate */
	172	dm_odm->PhyDbgInfo.NumQryPhyStatusOFDM++;
	173
	174	/* (1)Get RSSI for HT rate */
	175
859df6aa	176	for (i = RF_PATH_A; i < RF_PATH_MAX; i++) {
6c984c81 LF	177	/* 2008/01/30 MH we will judge RF RX path now. */
	178	if (dm_odm->RFPathRxEnable & BIT(i))
	179	rf_rx_num++;
	180
079be547	181	rx_pwr[i] = ((pPhyStaRpt->path_agc[i].gain & 0x3F) * 2) - 110;
6c984c81 LF	182
	183	pPhyInfo->RxPwr[i] = rx_pwr[i];
	184
	185	/* Translate DBM to percentage. */
c8a2da5a	186	RSSI = odm_query_rxpwrpercentage(rx_pwr[i]);
6c984c81 LF	187	total_rssi += RSSI;
	188
	189	/* Modification for ext-LNA board */
	190	if (dm_odm->BoardType == ODM_BOARD_HIGHPWR) {
	191	if ((pPhyStaRpt->path_agc[i].trsw) == 1)
	192	RSSI = (RSSI > 94) ? 100 : (RSSI + 6);
	193	else
	194	RSSI = (RSSI <= 16) ? (RSSI >> 3) : (RSSI - 16);
	195
	196	if ((RSSI <= 34) && (RSSI >= 4))
	197	RSSI -= 4;
	198	}
	199
	200	pPhyInfo->RxMIMOSignalStrength[i] = (u8)RSSI;
	201
	202	/* Get Rx snr value in DB */
69686deb SP	203	pPhyInfo->RxSNR[i] = (s32)(pPhyStaRpt->path_rxsnr[i] / 2);
69686deb SP	204	dm_odm->PhyDbgInfo.RxSNRdB[i] = (s32)(pPhyStaRpt->path_rxsnr[i] / 2);
6c984c81	205	}
b677f4ec	206	/* (2)PWDB, Average PWDB calculated by hardware (for rate adaptive) */
6c984c81 LF	207	rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110;
6c984c81 LF	208
c8a2da5a	209	PWDB_ALL = odm_query_rxpwrpercentage(rx_pwr_all);
6c984c81 LF	210	PWDB_ALL_BT = PWDB_ALL;
	211
	212	pPhyInfo->RxPWDBAll = PWDB_ALL;
	213	pPhyInfo->BTRxRSSIPercentage = PWDB_ALL_BT;
	214	pPhyInfo->RxPower = rx_pwr_all;
	215	pPhyInfo->RecvSignalPower = rx_pwr_all;
	216
0735ea67 LF	217	/* (3)EVM of HT rate */
0735ea67 LF	218	if (pPktinfo->Rate >= DESC92C_RATEMCS8 && pPktinfo->Rate <= DESC92C_RATEMCS15)
ded11a81	219	max_spatial_stream = 2; /* both spatial stream make sense */
0735ea67	220	else
ded11a81	221	max_spatial_stream = 1; /* only spatial stream 1 makes sense */
0735ea67	222
ded11a81	223	for (i = 0; i < max_spatial_stream; i++) {
0735ea67 LF	224	/* Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment */
	225	/* fill most significant bit to "zero" when doing shifting operation which may change a negative */
	226	/* value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore. */
af9c463d	227	EVM = odm_evm_db_to_percentage((pPhyStaRpt->stream_rxevm[i])); /* dbm */
0735ea67 LF	228
0735ea67 LF	229	if (pPktinfo->bPacketMatchBSSID) {
cc25137f	230	if (i == RF_PATH_A) /* Fill value in RFD, Get the first spatial stream only */
0735ea67 LF	231	pPhyInfo->SignalQuality = (u8)(EVM & 0xff);
0735ea67 LF	232	pPhyInfo->RxMIMOSignalQuality[i] = (u8)(EVM & 0xff);
6c984c81 LF	233	}
	234	}
	235	}
	236	/* UI BSS List signal strength(in percentage), make it good looking, from 0~100. */
	237	/* It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). */
755842d8	238	if (is_cck_rate) {
d88eb137	239	pPhyInfo->SignalStrength = (u8)(odm_signal_scale_mapping(dm_odm, PWDB_ALL));/* PWDB_ALL; */
6c984c81 LF	240	} else {
6c984c81 LF	241	if (rf_rx_num != 0)
d88eb137	242	pPhyInfo->SignalStrength = (u8)(odm_signal_scale_mapping(dm_odm, total_rssi /= rf_rx_num));
6c984c81 LF	243	}
	244
	245	/* For 92C/92D HW (Hybrid) Antenna Diversity */
	246	pDM_SWAT_Table->antsel = pPhyStaRpt->ant_sel;
	247	/* For 88E HW Antenna Diversity */
	248	dm_odm->DM_FatTable.antsel_rx_keep_0 = pPhyStaRpt->ant_sel;
	249	dm_odm->DM_FatTable.antsel_rx_keep_1 = pPhyStaRpt->ant_sel_b;
	250	dm_odm->DM_FatTable.antsel_rx_keep_2 = pPhyStaRpt->antsel_rx_keep_2;
	251	}
	252
6c984c81 LF	253	static void odm_Process_RSSIForDM(struct odm_dm_struct *dm_odm,
	254	struct odm_phy_status_info *pPhyInfo,
	255	struct odm_per_pkt_info *pPktinfo)
	256	{
	257	s32 UndecoratedSmoothedPWDB, UndecoratedSmoothedCCK;
	258	s32 UndecoratedSmoothedOFDM, RSSI_Ave;
636e10b8	259	bool is_cck_rate;
6c984c81 LF	260	u8 RSSI_max, RSSI_min, i;
	261	u32 OFDM_pkt = 0;
	262	u32 Weighting = 0;
	263	struct sta_info *pEntry;
6c0a555e LF	264	u8 antsel_tr_mux;
6c0a555e LF	265	struct fast_ant_train *pDM_FatTable = &dm_odm->DM_FatTable;
6c984c81 LF	266
	267	if (pPktinfo->StationID == 0xFF)
	268	return;
	269	pEntry = dm_odm->pODM_StaInfo[pPktinfo->StationID];
	270	if (!IS_STA_VALID(pEntry))
	271	return;
	272	if ((!pPktinfo->bPacketMatchBSSID))
	273	return;
	274
636e10b8 MS	275	is_cck_rate = pPktinfo->Rate >= DESC92C_RATE1M &&
636e10b8 MS	276	pPktinfo->Rate <= DESC92C_RATE11M;
6c984c81 LF	277
6c984c81 LF	278	/* Smart Antenna Debug Message------------------ */
6c0a555e LF	279
	280	if (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV) {
	281	if (pDM_FatTable->FAT_State == FAT_TRAINING_STATE) {
	282	if (pPktinfo->bPacketToSelf) {
69686deb SP	283	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2 << 2) \|
69686deb SP	284	(pDM_FatTable->antsel_rx_keep_1 << 1) \|
6c0a555e LF	285	pDM_FatTable->antsel_rx_keep_0;
	286	pDM_FatTable->antSumRSSI[antsel_tr_mux] += pPhyInfo->RxPWDBAll;
	287	pDM_FatTable->antRSSIcnt[antsel_tr_mux]++;
6c984c81 LF	288	}
6c984c81 LF	289	}
6c0a555e LF	290	} else if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) \|\| (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV)) {
6c0a555e LF	291	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
69686deb SP	292	antsel_tr_mux = (pDM_FatTable->antsel_rx_keep_2 << 2) \|
69686deb SP	293	(pDM_FatTable->antsel_rx_keep_1 << 1) \| pDM_FatTable->antsel_rx_keep_0;
5c45dde4	294	rtl88eu_dm_ant_sel_statistics(dm_odm, antsel_tr_mux, pPktinfo->StationID, pPhyInfo->RxPWDBAll);
6c0a555e	295	}
6c984c81 LF	296	}
	297	/* Smart Antenna Debug Message------------------ */
	298
	299	UndecoratedSmoothedCCK = pEntry->rssi_stat.UndecoratedSmoothedCCK;
	300	UndecoratedSmoothedOFDM = pEntry->rssi_stat.UndecoratedSmoothedOFDM;
	301	UndecoratedSmoothedPWDB = pEntry->rssi_stat.UndecoratedSmoothedPWDB;
	302
	303	if (pPktinfo->bPacketToSelf \|\| pPktinfo->bPacketBeacon) {
755842d8	304	if (!is_cck_rate) { /* ofdm rate */
cc25137f LF	305	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_B] == 0) {
cc25137f LF	306	RSSI_Ave = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
6c984c81	307	} else {
cc25137f LF	308	if (pPhyInfo->RxMIMOSignalStrength[RF_PATH_A] > pPhyInfo->RxMIMOSignalStrength[RF_PATH_B]) {
	309	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
	310	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
6c984c81	311	} else {
cc25137f LF	312	RSSI_max = pPhyInfo->RxMIMOSignalStrength[RF_PATH_B];
cc25137f LF	313	RSSI_min = pPhyInfo->RxMIMOSignalStrength[RF_PATH_A];
6c984c81 LF	314	}
	315	if ((RSSI_max - RSSI_min) < 3)
	316	RSSI_Ave = RSSI_max;
	317	else if ((RSSI_max - RSSI_min) < 6)
	318	RSSI_Ave = RSSI_max - 1;
	319	else if ((RSSI_max - RSSI_min) < 10)
	320	RSSI_Ave = RSSI_max - 2;
	321	else
	322	RSSI_Ave = RSSI_max - 3;
	323	}
	324
	325	/* 1 Process OFDM RSSI */
	326	if (UndecoratedSmoothedOFDM <= 0) { /* initialize */
	327	UndecoratedSmoothedOFDM = pPhyInfo->RxPWDBAll;
	328	} else {
	329	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedOFDM) {
	330	UndecoratedSmoothedOFDM =
69686deb	331	(((UndecoratedSmoothedOFDM) * (Rx_Smooth_Factor - 1)) +
6c984c81 LF	332	(RSSI_Ave)) / (Rx_Smooth_Factor);
	333	UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM + 1;
	334	} else {
	335	UndecoratedSmoothedOFDM =
69686deb	336	(((UndecoratedSmoothedOFDM) * (Rx_Smooth_Factor - 1)) +
6c984c81 LF	337	(RSSI_Ave)) / (Rx_Smooth_Factor);
	338	}
	339	}
	340
69686deb	341	pEntry->rssi_stat.PacketMap = (pEntry->rssi_stat.PacketMap << 1) \| BIT(0);
6c984c81 LF	342
	343	} else {
	344	RSSI_Ave = pPhyInfo->RxPWDBAll;
	345
	346	/* 1 Process CCK RSSI */
	347	if (UndecoratedSmoothedCCK <= 0) { /* initialize */
	348	UndecoratedSmoothedCCK = pPhyInfo->RxPWDBAll;
	349	} else {
	350	if (pPhyInfo->RxPWDBAll > (u32)UndecoratedSmoothedCCK) {
	351	UndecoratedSmoothedCCK =
69686deb	352	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor - 1)) +
6c984c81 LF	353	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	354	UndecoratedSmoothedCCK = UndecoratedSmoothedCCK + 1;
	355	} else {
	356	UndecoratedSmoothedCCK =
69686deb	357	((UndecoratedSmoothedCCK * (Rx_Smooth_Factor - 1)) +
6c984c81 LF	358	pPhyInfo->RxPWDBAll) / Rx_Smooth_Factor;
	359	}
	360	}
69686deb	361	pEntry->rssi_stat.PacketMap = pEntry->rssi_stat.PacketMap << 1;
6c984c81 LF	362	}
	363	/* 2011.07.28 LukeLee: modified to prevent unstable CCK RSSI */
	364	if (pEntry->rssi_stat.ValidBit >= 64)
	365	pEntry->rssi_stat.ValidBit = 64;
	366	else
	367	pEntry->rssi_stat.ValidBit++;
	368
	369	for (i = 0; i < pEntry->rssi_stat.ValidBit; i++)
69686deb	370	OFDM_pkt += (u8)(pEntry->rssi_stat.PacketMap >> i) & BIT(0);
6c984c81 LF	371
6c984c81 LF	372	if (pEntry->rssi_stat.ValidBit == 64) {
ad8d8cd3	373	Weighting = min_t(u32, OFDM_pkt << 4, 64);
69686deb	374	UndecoratedSmoothedPWDB = (Weighting * UndecoratedSmoothedOFDM + (64 - Weighting) * UndecoratedSmoothedCCK) >> 6;
6c984c81 LF	375	} else {
	376	if (pEntry->rssi_stat.ValidBit != 0)
	377	UndecoratedSmoothedPWDB = (OFDM_pkt * UndecoratedSmoothedOFDM +
69686deb SP	378	(pEntry->rssi_stat.ValidBit - OFDM_pkt) *
69686deb SP	379	UndecoratedSmoothedCCK) / pEntry->rssi_stat.ValidBit;
6c984c81 LF	380	else
	381	UndecoratedSmoothedPWDB = 0;
	382	}
	383	pEntry->rssi_stat.UndecoratedSmoothedCCK = UndecoratedSmoothedCCK;
	384	pEntry->rssi_stat.UndecoratedSmoothedOFDM = UndecoratedSmoothedOFDM;
	385	pEntry->rssi_stat.UndecoratedSmoothedPWDB = UndecoratedSmoothedPWDB;
	386	}
	387	}
	388
	389	/* Endianness before calling this API */
7acc77d2 MS	390	void ODM_PhyStatusQuery(struct odm_dm_struct *dm_odm,
	391	struct odm_phy_status_info *pPhyInfo,
	392	u8 pPhyStatus, struct odm_per_pkt_info pPktinfo)
6c984c81 LF	393	{
	394	odm_RxPhyStatus92CSeries_Parsing(dm_odm, pPhyInfo, pPhyStatus,
	395	pPktinfo);
df9ce52c	396	if (dm_odm->RSSI_test)
e96031d0	397	;/* Select the packets to do RSSI checking for antenna switching. */
df9ce52c	398	else
6c984c81	399	odm_Process_RSSIForDM(dm_odm, pPhyInfo, pPktinfo);
6c984c81	400	}