rtl8812au-chinawrj/hal/phydm/rtl8812a/phydm_rtl8812a.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 files
//============================================================
#include "mp_precomp.h"
#include "../phydm_precomp.h"
#if (RTL8812A_SUPPORT == 1)
#if(defined(CONFIG_PATH_DIVERSITY))
VOID
odm_UpdateTxPath_8812A(IN PDM_ODM_T pDM_Odm, IN u1Byte Path)
{
pPATHDIV_T pDM_PathDiv = &pDM_Odm->DM_PathDiv;
if(pDM_PathDiv->RespTxPath != Path)
{
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("Need to Update Tx Path\n"));
if(Path == ODM_RF_PATH_A)
{
ODM_SetBBReg(pDM_Odm, 0x80c , 0xFFF0, 0x111); //Tx by Reg
ODM_SetBBReg(pDM_Odm, 0x6d8 , BIT7|BIT6, 1); //Resp Tx by Txinfo
}
else
{
ODM_SetBBReg(pDM_Odm, 0x80c , 0xFFF0, 0x222); //Tx by Reg
ODM_SetBBReg(pDM_Odm, 0x6d8 , BIT7|BIT6, 2); //Resp Tx by Txinfo
}
}
pDM_PathDiv->RespTxPath = Path;
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("Path=%s\n",(Path==ODM_RF_PATH_A)?"ODM_RF_PATH_A":"ODM_RF_PATH_B"));
}
VOID
ODM_PathDiversityInit_8812A(
IN PDM_ODM_T pDM_Odm
)
{
u4Byte i;
pPATHDIV_T pDM_PathDiv = &pDM_Odm->DM_PathDiv;
ODM_SetBBReg(pDM_Odm, 0x80c , BIT29, 1); //Tx path from Reg
ODM_SetBBReg(pDM_Odm, 0x80c , 0xFFF0, 0x111); //Tx by Reg
ODM_SetBBReg(pDM_Odm, 0x6d8 , BIT7|BIT6, 1); //Resp Tx by Txinfo
odm_UpdateTxPath_8812A(pDM_Odm, ODM_RF_PATH_A);
for (i=0; i<ODM_ASSOCIATE_ENTRY_NUM; i++)
{
pDM_PathDiv->PathSel[i] = 1; // TxInfo default at path-A
}
}
VOID
ODM_PathDiversity_8812A(
IN PDM_ODM_T pDM_Odm
)
{
u4Byte i, RssiAvgA=0, RssiAvgB=0, LocalMinRSSI, MinRSSI=0xFF;
u1Byte TxRespPath=0, TargetPath;
pPATHDIV_T pDM_PathDiv = &pDM_Odm->DM_PathDiv;
PSTA_INFO_T pEntry;
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("Odm_PathDiversity_8812A() =>\n"));
for (i=0; i<ODM_ASSOCIATE_ENTRY_NUM; i++)
{
pEntry = pDM_Odm->pODM_StaInfo[i];
if(IS_STA_VALID(pEntry))
{
//2 Caculate RSSI per Path
RssiAvgA = (pDM_PathDiv->PathA_Cnt[i]!=0)?(pDM_PathDiv->PathA_Sum[i]/pDM_PathDiv->PathA_Cnt[i]):0;
RssiAvgB = (pDM_PathDiv->PathB_Cnt[i]!=0)?(pDM_PathDiv->PathB_Sum[i]/pDM_PathDiv->PathB_Cnt[i]):0;
TargetPath = (RssiAvgA==RssiAvgB)?pDM_PathDiv->RespTxPath:((RssiAvgA>=RssiAvgB)?ODM_RF_PATH_A:ODM_RF_PATH_B);
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("MacID=%d, PathA_Sum=%d, PathA_Cnt=%d\n", i, pDM_PathDiv->PathA_Sum[i], pDM_PathDiv->PathA_Cnt[i]));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("MacID=%d, PathB_Sum=%d, PathB_Cnt=%d\n",i, pDM_PathDiv->PathB_Sum[i], pDM_PathDiv->PathB_Cnt[i]));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_PATH_DIV, ODM_DBG_LOUD, ("MacID=%d, RssiAvgA= %d, RssiAvgB= %d\n", i, RssiAvgA, RssiAvgB));
//2 Select Resp Tx Path
LocalMinRSSI = (RssiAvgA>RssiAvgB)?RssiAvgB:RssiAvgA;
if(LocalMinRSSI < MinRSSI)
{
MinRSSI = LocalMinRSSI;
TxRespPath = TargetPath;
}
//2 Select Tx DESC
if(TargetPath == ODM_RF_PATH_A)
pDM_PathDiv->PathSel[i] = 1;
else
pDM_PathDiv->PathSel[i] = 2;
ODM_RT_TRACE(pDM_Odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Tx from TxInfo, TargetPath=%s\n",
(TargetPath==ODM_RF_PATH_A)?"ODM_RF_PATH_A":"ODM_RF_PATH_B"));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD,("pDM_PathDiv->PathSel[%d] = %d\n", i, pDM_PathDiv->PathSel[i]));
}
pDM_PathDiv->PathA_Cnt[i] = 0;
pDM_PathDiv->PathA_Sum[i] = 0;
pDM_PathDiv->PathB_Cnt[i] = 0;
pDM_PathDiv->PathB_Sum[i] = 0;
}
//2 Update Tx Path
odm_UpdateTxPath_8812A(pDM_Odm, TxRespPath);
}
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
VOID
ODM_SetTxPathByTxInfo_8812A(
IN PDM_ODM_T pDM_Odm,
IN pu1Byte pDesc,
IN u1Byte macId
)
{
pPATHDIV_T pDM_PathDiv = &pDM_Odm->DM_PathDiv;
if((pDM_Odm->SupportICType != ODM_RTL8812)||(!(pDM_Odm->SupportAbility & ODM_BB_PATH_DIV)))
return;
SET_TX_DESC_TX_ANT_8812(pDesc, pDM_PathDiv->PathSel[macId]);
}
#else// (DM_ODM_SUPPORT_TYPE == ODM_AP)
VOID
ODM_SetTxPathByTxInfo_8812A(
IN PDM_ODM_T pDM_Odm
)
{
}
#endif
#endif // CONFIG_PATH_DIVERSITY
#endif //#if (RTL8812A_SUPPORT == 1)