+++ /dev/null
-/******************************************************************************
- *
- * 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.
- *
- ******************************************************************************/
-
-/* */
-/* include files */
-/* */
-
-#include "odm_precomp.h"
-
-static u8 odm_QueryRxPwrPercentage(s8 AntPower)
-{
- if ((AntPower <= -100) || (AntPower >= 20))
- return 0;
- else if (AntPower >= 0)
- return 100;
- else
- return 100 + AntPower;
-}
-
-static s32 odm_SignalScaleMapping_92CSeries(struct dm_odm_t *pDM_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 dm_odm_t *pDM_Odm, s32 CurrSig)
-{
- return odm_SignalScaleMapping_92CSeries(pDM_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 dm_odm_t *pDM_Odm,
- struct phy_info *pPhyInfo,
- u8 *pPhyStatus,
- struct odm_packet_info *pPktinfo)
-{
- struct phy_status_rpt *pPhyStaRpt = (struct phy_status_rpt *)pPhyStatus;
- 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;
-
- isCCKrate = (pPktinfo->Rate <= DESC92C_RATE11M) ? true : false;
- pPhyInfo->RxMIMOSignalQuality[RF_PATH_A] = -1;
- pPhyInfo->RxMIMOSignalQuality[RF_PATH_B] = -1;
-
- if (isCCKrate) {
- u8 report;
- u8 cck_agc_rpt;
-
- pDM_Odm->PhyDbgInfo.NumQryPhyStatusCCK++;
- /* (1)Hardware does not provide RSSI for CCK */
- /* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
-
- cck_highpwr = pDM_Odm->bCckHighPower;
-
- cck_agc_rpt = pPhyStaRpt->cck_agc_rpt_ofdm_cfosho_a;
-
- /* The RSSI formula should be modified according to the gain table */
- if (!cck_highpwr) {
- report = (cck_agc_rpt & 0xc0)>>6;
- switch (report) {
- /* Modify the RF RNA gain value to -40, -20, -2, 14 by Jenyu's suggestion */
- /* Note: different RF with the different RNA gain. */
- case 0x3:
- rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
- break;
- case 0x2:
- rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
- break;
- case 0x1:
- rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
- break;
- case 0x0:
- rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
- break;
- }
- } else {
- report = (cck_agc_rpt & 0x60)>>5;
- switch (report) {
- case 0x3:
- rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f)<<1);
- break;
- case 0x2:
- rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f)<<1);
- break;
- case 0x1:
- rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f)<<1);
- break;
- case 0x0:
- rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f)<<1);
- break;
- }
- }
-
- PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
-
- /* Modification for ext-LNA board */
- if (pDM_Odm->BoardType == ODM_BOARD_HIGHPWR) {
- if ((cck_agc_rpt>>7) == 0) {
- PWDB_ALL = (PWDB_ALL > 94) ? 100 : (PWDB_ALL+6);
- } else {
- if (PWDB_ALL > 38)
- PWDB_ALL -= 16;
- else
- PWDB_ALL = (PWDB_ALL <= 16) ? (PWDB_ALL>>2) : (PWDB_ALL-12);
- }
-
- /* CCK modification */
- if (PWDB_ALL > 25 && PWDB_ALL <= 60)
- PWDB_ALL += 6;
- } else { /* Modification for int-LNA board */
- if (PWDB_ALL > 99)
- PWDB_ALL -= 8;
- else if (PWDB_ALL > 50 && PWDB_ALL <= 68)
- PWDB_ALL += 4;
- }
- 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;
-
- 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 */
- pDM_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 (pDM_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 (pDM_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] = pDM_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(pDM_Odm, PWDB_ALL));/* PWDB_ALL; */
- } else {
- if (rf_rx_num != 0)
- pPhyInfo->SignalStrength = (u8)(odm_SignalScaleMapping(pDM_Odm, total_rssi /= rf_rx_num));
- }
-}
-
-static void odm_Process_RSSIForDM(struct dm_odm_t *pDM_Odm,
- struct phy_info *pPhyInfo,
- struct odm_packet_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;
-
- if (pPktinfo->StationID == 0xFF)
- return;
-
- pEntry = pDM_Odm->pODM_StaInfo[pPktinfo->StationID];
- if (!pEntry)
- return;
- if ((!pPktinfo->bPacketMatchBSSID))
- return;
-
- isCCKrate = (pPktinfo->Rate <= DESC92C_RATE11M) ? true : false;
-
- /* 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;
- }
-}
-
-void ODM_PhyStatusQuery23a(struct dm_odm_t *pDM_Odm, struct phy_info *pPhyInfo,
- u8 *pPhyStatus, struct odm_packet_info *pPktinfo)
-{
- odm_RxPhyStatus92CSeries_Parsing(pDM_Odm, pPhyInfo,
- pPhyStatus, pPktinfo);
-
- odm_Process_RSSIForDM(pDM_Odm, pPhyInfo, pPktinfo);
-}
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