rtl8812au-chinawrj/hal/phydm/phydm_cfotracking.c

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/******************************************************************************
*
* 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 "mp_precomp.h"
#include "phydm_precomp.h"
VOID
odm_SetCrystalCap(
IN PVOID pDM_VOID,
IN u1Byte CrystalCap
)
{
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
if(pCfoTrack->CrystalCap == CrystalCap)
return;
pCfoTrack->CrystalCap = CrystalCap;
if (pDM_Odm->SupportICType & (ODM_RTL8188E | ODM_RTL8188F)) {
/* write 0x24[22:17] = 0x24[16:11] = CrystalCap */
CrystalCap = CrystalCap & 0x3F;
ODM_SetBBReg(pDM_Odm, REG_AFE_XTAL_CTRL, 0x007ff800, (CrystalCap|(CrystalCap << 6)));
} else if (pDM_Odm->SupportICType & ODM_RTL8812) {
/* write 0x2C[30:25] = 0x2C[24:19] = CrystalCap */
CrystalCap = CrystalCap & 0x3F;
ODM_SetBBReg(pDM_Odm, REG_MAC_PHY_CTRL, 0x7FF80000, (CrystalCap|(CrystalCap << 6)));
} else if ((pDM_Odm->SupportICType & (ODM_RTL8703B|ODM_RTL8723B|ODM_RTL8192E|ODM_RTL8821))) {
/* 0x2C[23:18] = 0x2C[17:12] = CrystalCap */
CrystalCap = CrystalCap & 0x3F;
ODM_SetBBReg(pDM_Odm, REG_MAC_PHY_CTRL, 0x00FFF000, (CrystalCap|(CrystalCap << 6)));
} else if (pDM_Odm->SupportICType & ODM_RTL8814A) {
/* write 0x2C[26:21] = 0x2C[20:15] = CrystalCap */
CrystalCap = CrystalCap & 0x3F;
ODM_SetBBReg(pDM_Odm, REG_MAC_PHY_CTRL, 0x07FF8000, (CrystalCap|(CrystalCap << 6)));
} else if (pDM_Odm->SupportICType & ODM_RTL8822B) {
/* write 0x24[30:25] = 0x28[6:1] = CrystalCap */
CrystalCap = CrystalCap & 0x3F;
ODM_SetBBReg(pDM_Odm, REG_AFE_XTAL_CTRL, 0x7e000000, CrystalCap);
ODM_SetBBReg(pDM_Odm, REG_AFE_PLL_CTRL, 0x7e, CrystalCap);
} else {
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("odm_SetCrystalCap(): Use default setting.\n"));
ODM_SetBBReg(pDM_Odm, REG_MAC_PHY_CTRL, 0xFFF000, (CrystalCap|(CrystalCap << 6)));
}
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("odm_SetCrystalCap(): CrystalCap = 0x%x\n", CrystalCap));
#endif
}
u1Byte
odm_GetDefaultCrytaltalCap(
IN PVOID pDM_VOID
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
u1Byte CrystalCap = 0x20;
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
PADAPTER Adapter = pDM_Odm->Adapter;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
CrystalCap = pHalData->CrystalCap;
#else
prtl8192cd_priv priv = pDM_Odm->priv;
if(priv->pmib->dot11RFEntry.xcap > 0)
CrystalCap = priv->pmib->dot11RFEntry.xcap;
#endif
CrystalCap = CrystalCap & 0x3f;
return CrystalCap;
}
VOID
odm_SetATCStatus(
IN PVOID pDM_VOID,
IN BOOLEAN ATCStatus
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
if(pCfoTrack->bATCStatus == ATCStatus)
return;
ODM_SetBBReg(pDM_Odm, ODM_REG(BB_ATC,pDM_Odm), ODM_BIT(BB_ATC,pDM_Odm), ATCStatus);
pCfoTrack->bATCStatus = ATCStatus;
}
BOOLEAN
odm_GetATCStatus(
IN PVOID pDM_VOID
)
{
BOOLEAN ATCStatus;
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
ATCStatus = (BOOLEAN)ODM_GetBBReg(pDM_Odm, ODM_REG(BB_ATC,pDM_Odm), ODM_BIT(BB_ATC,pDM_Odm));
return ATCStatus;
}
VOID
ODM_CfoTrackingReset(
IN PVOID pDM_VOID
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
pCfoTrack->DefXCap = odm_GetDefaultCrytaltalCap(pDM_Odm);
pCfoTrack->bAdjust = TRUE;
if(pCfoTrack->CrystalCap > pCfoTrack->DefXCap)
{
odm_SetCrystalCap(pDM_Odm, pCfoTrack->CrystalCap - 1);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD,
("ODM_CfoTrackingReset(): approch default value (0x%x)\n", pCfoTrack->CrystalCap));
} else if (pCfoTrack->CrystalCap < pCfoTrack->DefXCap)
{
odm_SetCrystalCap(pDM_Odm, pCfoTrack->CrystalCap + 1);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD,
("ODM_CfoTrackingReset(): approch default value (0x%x)\n", pCfoTrack->CrystalCap));
}
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
odm_SetATCStatus(pDM_Odm, TRUE);
#endif
}
VOID
ODM_CfoTrackingInit(
IN PVOID pDM_VOID
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
pCfoTrack->DefXCap = pCfoTrack->CrystalCap = odm_GetDefaultCrytaltalCap(pDM_Odm);
pCfoTrack->bATCStatus = odm_GetATCStatus(pDM_Odm);
pCfoTrack->bAdjust = TRUE;
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking_init()=========>\n"));
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking_init(): bATCStatus = %d, CrystalCap = 0x%x\n", pCfoTrack->bATCStatus, pCfoTrack->DefXCap));
#if RTL8822B_SUPPORT
/* Crystal cap. control by WiFi */
if (pDM_Odm->SupportICType & ODM_RTL8822B)
ODM_SetBBReg(pDM_Odm, 0x10, 0x40, 0x1);
#endif
}
VOID
ODM_CfoTracking(
IN PVOID pDM_VOID
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
int CFO_kHz_A, CFO_kHz_B, CFO_ave = 0;
int CFO_ave_diff;
int CrystalCap = (int)pCfoTrack->CrystalCap;
u1Byte Adjust_Xtal = 1;
//4 Support ability
if(!(pDM_Odm->SupportAbility & ODM_BB_CFO_TRACKING))
{
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Return: SupportAbility ODM_BB_CFO_TRACKING is disabled\n"));
return;
}
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking()=========> \n"));
if(!pDM_Odm->bLinked || !pDM_Odm->bOneEntryOnly)
{
//4 No link or more than one entry
ODM_CfoTrackingReset(pDM_Odm);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Reset: bLinked = %d, bOneEntryOnly = %d\n",
pDM_Odm->bLinked, pDM_Odm->bOneEntryOnly));
}
else
{
//3 1. CFO Tracking
//4 1.1 No new packet
if(pCfoTrack->packetCount == pCfoTrack->packetCount_pre)
{
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): packet counter doesn't change\n"));
return;
}
pCfoTrack->packetCount_pre = pCfoTrack->packetCount;
//4 1.2 Calculate CFO
CFO_kHz_A = (int)((pCfoTrack->CFO_tail[0] * 3125) / 10)>>7; /* CFO_tail[1:0] is S(8,7), (num_subcarrier>>7) x 312.5K = CFO value(K Hz) */
CFO_kHz_B = (int)((pCfoTrack->CFO_tail[1] * 3125) / 10)>>7;
if(pDM_Odm->RFType < ODM_2T2R)
CFO_ave = CFO_kHz_A;
else
CFO_ave = (int)(CFO_kHz_A + CFO_kHz_B) >> 1;
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): CFO_kHz_A = %dkHz, CFO_kHz_B = %dkHz, CFO_ave = %dkHz\n",
CFO_kHz_A, CFO_kHz_B, CFO_ave));
//4 1.3 Avoid abnormal large CFO
CFO_ave_diff = (pCfoTrack->CFO_ave_pre >= CFO_ave)?(pCfoTrack->CFO_ave_pre - CFO_ave):(CFO_ave - pCfoTrack->CFO_ave_pre);
if(CFO_ave_diff > 20 && pCfoTrack->largeCFOHit == 0 && !pCfoTrack->bAdjust)
{
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): first large CFO hit\n"));
pCfoTrack->largeCFOHit = 1;
return;
}
else
pCfoTrack->largeCFOHit = 0;
pCfoTrack->CFO_ave_pre = CFO_ave;
//4 1.4 Dynamic Xtal threshold
if(pCfoTrack->bAdjust == FALSE)
{
if(CFO_ave > CFO_TH_XTAL_HIGH || CFO_ave < (-CFO_TH_XTAL_HIGH))
pCfoTrack->bAdjust = TRUE;
}
else
{
if(CFO_ave < CFO_TH_XTAL_LOW && CFO_ave > (-CFO_TH_XTAL_LOW))
pCfoTrack->bAdjust = FALSE;
}
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
//4 1.5 BT case: Disable CFO tracking
if(pDM_Odm->bBtEnabled)
{
pCfoTrack->bAdjust = FALSE;
odm_SetCrystalCap(pDM_Odm, pCfoTrack->DefXCap);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Disable CFO tracking for BT!!\n"));
}
/*
//4 1.6 Big jump
if(pCfoTrack->bAdjust)
{
if(CFO_ave > CFO_TH_XTAL_LOW)
Adjust_Xtal = Adjust_Xtal + ((CFO_ave - CFO_TH_XTAL_LOW) >> 2);
else if(CFO_ave < (-CFO_TH_XTAL_LOW))
Adjust_Xtal = Adjust_Xtal + ((CFO_TH_XTAL_LOW - CFO_ave) >> 2);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Crystal cap offset = %d\n", Adjust_Xtal));
}
*/
#endif
//4 1.7 Adjust Crystal Cap.
if(pCfoTrack->bAdjust)
{
if(CFO_ave > CFO_TH_XTAL_LOW)
CrystalCap = CrystalCap + Adjust_Xtal;
else if(CFO_ave < (-CFO_TH_XTAL_LOW))
CrystalCap = CrystalCap - Adjust_Xtal;
if(CrystalCap > 0x3f)
CrystalCap = 0x3f;
else if (CrystalCap < 0)
CrystalCap = 0;
odm_SetCrystalCap(pDM_Odm, (u1Byte)CrystalCap);
}
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Crystal cap = 0x%x, Default Crystal cap = 0x%x\n",
pCfoTrack->CrystalCap, pCfoTrack->DefXCap));
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
if(pDM_Odm->SupportICType & ODM_IC_11AC_SERIES)
return;
//3 2. Dynamic ATC switch
if(CFO_ave < CFO_TH_ATC && CFO_ave > -CFO_TH_ATC)
{
odm_SetATCStatus(pDM_Odm, FALSE);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Disable ATC!!\n"));
}
else
{
odm_SetATCStatus(pDM_Odm, TRUE);
ODM_RT_TRACE(pDM_Odm, ODM_COMP_CFO_TRACKING, ODM_DBG_LOUD, ("ODM_CfoTracking(): Enable ATC!!\n"));
}
#endif
}
}
VOID
ODM_ParsingCFO(
IN PVOID pDM_VOID,
IN PVOID pPktinfo_VOID,
IN s1Byte* pcfotail
)
{
PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
PODM_PACKET_INFO_T pPktinfo = (PODM_PACKET_INFO_T)pPktinfo_VOID;
PCFO_TRACKING pCfoTrack = (PCFO_TRACKING)PhyDM_Get_Structure( pDM_Odm, PHYDM_CFOTRACK);
u1Byte i;
if(!(pDM_Odm->SupportAbility & ODM_BB_CFO_TRACKING))
return;
#if(DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
if(pPktinfo->bPacketMatchBSSID)
#else
if(pPktinfo->StationID != 0)
#endif
{
//3 Update CFO report for path-A & path-B
// Only paht-A and path-B have CFO tail and short CFO
for(i = ODM_RF_PATH_A; i <= ODM_RF_PATH_B; i++)
{
pCfoTrack->CFO_tail[i] = (int)pcfotail[i];
}
//3 Update packet counter
if(pCfoTrack->packetCount == 0xffffffff)
pCfoTrack->packetCount = 0;
else
pCfoTrack->packetCount++;
}
}