/*
========================================================================
Routine Description:
Periodic evaluate antenna link status
Arguments:
pAd - Adapter pointer
Return Value:
None
========================================================================
*/
VOID APAsicEvaluateRxAnt(
IN PRTMP_ADAPTER pAd)
{
ULONG TxTotalCnt;
#ifdef RALINK_ATE
if (ATE_ON(pAd))
return;
#endif /* RALINK_ATE */
#ifdef CARRIER_DETECTION_SUPPORT
if(pAd->CommonCfg.CarrierDetect.CD_State == CD_SILENCE)
return;
#endif /* CARRIER_DETECTION_SUPPORT */
#ifdef RT8592
// TODO: shiang-6590, for 8592, this EvaaluateRxAnt still need??
if (IS_RT8592(pAd))
return;
#endif /* RT8592 */
#ifdef RT65xx
if (IS_MT76x0(pAd))
return;
#endif /* RT65xx */
#ifdef TXBF_SUPPORT
/* TODO: we didn't do RxAnt evaluate for 3x3 chips */
if (IS_RT3883(pAd) || IS_RT2883(pAd))
return;
#endif /* TXBF_SUPPORT */
#ifdef DOT11_N_SUPPORT
#ifdef GREENAP_SUPPORT
if (pAd->ApCfg.bGreenAPActive == TRUE)
rtmp_bbp_set_rxpath(pAd, 1);
else
#endif /* GREENAP_SUPPORT */
#endif /* DOT11_N_SUPPORT */
rtmp_bbp_set_rxpath(pAd, pAd->Antenna.field.RxPath);
TxTotalCnt = pAd->RalinkCounters.OneSecTxNoRetryOkCount +
pAd->RalinkCounters.OneSecTxRetryOkCount +
pAd->RalinkCounters.OneSecTxFailCount;
if (TxTotalCnt > 50)
{
RTMPSetTimer(&pAd->Mlme.RxAntEvalTimer, 20);
pAd->Mlme.bLowThroughput = FALSE;
}
else
{
RTMPSetTimer(&pAd->Mlme.RxAntEvalTimer, 300);
pAd->Mlme.bLowThroughput = TRUE;
}
}
/*
========================================================================
Routine Description:
After evaluation, check antenna link status
Arguments:
pAd - Adapter pointer
Return Value:
None
========================================================================
*/
VOID APAsicRxAntEvalTimeout(
PRTMP_ADAPTER pAd)
{
CHAR larger = -127, rssi0, rssi1, rssi2;
#ifdef RALINK_ATE
if (ATE_ON(pAd))
return;
#endif /* RALINK_ATE */
/* if the traffic is low, use average rssi as the criteria */
if (pAd->Mlme.bLowThroughput == TRUE)
{
rssi0 = pAd->ApCfg.RssiSample.LastRssi0;
rssi1 = pAd->ApCfg.RssiSample.LastRssi1;
rssi2 = pAd->ApCfg.RssiSample.LastRssi2;
}
else
{
rssi0 = pAd->ApCfg.RssiSample.AvgRssi0;
rssi1 = pAd->ApCfg.RssiSample.AvgRssi1;
rssi2 = pAd->ApCfg.RssiSample.AvgRssi2;
}
if(pAd->Antenna.field.RxPath == 3)
{
larger = max(rssi0, rssi1);
#ifdef DOT11N_SS3_SUPPORT
if (pAd->CommonCfg.RxStream >= 3)
pAd->Mlme.RealRxPath = 3;
else
#endif /* DOT11N_SS3_SUPPORT */
{
if (larger > (rssi2 + 20))
pAd->Mlme.RealRxPath = 2;
else
pAd->Mlme.RealRxPath = 3;
}
}
/* Disable the below to fix 1T/2R issue. It's suggested by Rory at 2007/7/11. */
#ifdef DOT11_N_SUPPORT
#ifdef GREENAP_SUPPORT
if (pAd->ApCfg.bGreenAPActive == TRUE)
rtmp_bbp_set_rxpath(pAd, 1);
else
#endif /* GREENAP_SUPPORT */
#endif /* DOT11_N_SUPPORT */
rtmp_bbp_set_rxpath(pAd, pAd->Mlme.RealRxPath);
}
static VOID DisableAPMIMOPSv1(
IN PRTMP_ADAPTER pAd)
{
UCHAR BBPR3=0,BBPR1=0;
ULONG TxPinCfg = 0x00050F0A; /* Gary 2007/08/09 0x050A0A */
UCHAR CentralChannel;
UINT32 Value=0;
if(pAd->CommonCfg.Channel>14)
TxPinCfg=0x00050F05;
/* Turn off unused PA or LNA when only 1T or 1R*/
if (pAd->Antenna.field.TxPath == 1)
TxPinCfg &= 0xFFFFFFF3;
if (pAd->Antenna.field.RxPath == 1)
TxPinCfg &= 0xFFFFF3FF;
pAd->ApCfg.bGreenAPActive=FALSE;
if ((pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth == BW_40) && (pAd->CommonCfg.Channel != 14))
{
int ext_ch = EXTCHA_NONE;
DBGPRINT(RT_DEBUG_INFO, ("Run with BW_40\n"));
/* Set CentralChannel to work for BW40 */
if (pAd->CommonCfg.RegTransmitSetting.field.EXTCHA == EXTCHA_ABOVE)
{
pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel + 2;
ext_ch = EXTCHA_ABOVE;
}
else if ((pAd->CommonCfg.Channel > 2) && (pAd->CommonCfg.RegTransmitSetting.field.EXTCHA == EXTCHA_BELOW))
{
pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel - 2;
ext_ch = EXTCHA_BELOW;
}
CentralChannel = pAd->CommonCfg.CentralChannel;
AsicSetChannel(pAd, CentralChannel, BW_40, ext_ch, FALSE);
}
/*Tx Stream*/
if (WMODE_CAP_N(pAd->CommonCfg.PhyMode) && (pAd->Antenna.field.TxPath == 2))
rtmp_bbp_set_txdac(pAd, 2);
else
rtmp_bbp_set_txdac(pAd, 0);
/*Rx Stream*/
rtmp_bbp_set_rxpath(pAd, pAd->Antenna.field.RxPath);
RTMP_IO_WRITE32(pAd, TX_PIN_CFG, TxPinCfg);
DBGPRINT(RT_DEBUG_INFO, ("DisableAPMIMOPS, 305x/28xx reserve only one antenna\n"));
}
static VOID EnableAPMIMOPSv1(
IN RTMP_ADAPTER *pAd,
IN BOOLEAN ReduceCorePower)
{
UCHAR BBPR3 = 0,BBPR1 = 0;
ULONG TxPinCfg = 0x00050F0A;/*Gary 2007/08/09 0x050A0A*/
UCHAR BBPR4=0;
UCHAR CentralChannel;
if(pAd->CommonCfg.Channel>14)
TxPinCfg=0x00050F05;
TxPinCfg &= 0xFFFFFFF3;
TxPinCfg &= 0xFFFFF3FF;
pAd->ApCfg.bGreenAPActive=TRUE;
CentralChannel = pAd->CommonCfg.CentralChannel;
DBGPRINT(RT_DEBUG_INFO, ("Run with BW_20\n"));
pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
CentralChannel = pAd->CommonCfg.Channel;
/* Set BBP registers to BW20 */
rtmp_bbp_set_bw(pAd, BW_20);
/* RF Bandwidth related registers would be set in AsicSwitchChannel() */
if (pAd->Antenna.field.RxPath>1||pAd->Antenna.field.TxPath>1)
{
/*Tx/Rx Stream*/
rtmp_bbp_set_txdac(pAd, 0);
rtmp_bbp_set_rxpath(pAd, 1);
RTMP_IO_WRITE32(pAd, TX_PIN_CFG, TxPinCfg);
}
AsicSwitchChannel(pAd, CentralChannel, FALSE);
DBGPRINT(RT_DEBUG_INFO, ("EnableAPMIMOPS, 305x/28xx changes the # of antenna to 1\n"));
}
