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rtl8192c_dm.c
executable file
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rtl8192c_dm.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
*
*
******************************************************************************/
//============================================================
// Description:
//
// This file is for 92CE/92CU dynamic mechanism only
//
//
//============================================================
//============================================================
// include files
//============================================================
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <rtw_byteorder.h>
#include <rtl8192c_hal.h>
#include "../dm.h"
#ifdef CONFIG_INTEL_PROXIM
#include "../proxim/intel_proxim.h"
#endif
//============================================================
// Global var
//============================================================
static u32 EDCAParam[maxAP][3] =
{ // UL DL
{0x5ea322, 0x00a630, 0x00a44f}, //atheros AP
{0x5ea32b, 0x5ea42b, 0x5e4322}, //broadcom AP
{0x3ea430, 0x00a630, 0x3ea44f}, //cisco AP
{0x5ea44f, 0x00a44f, 0x5ea42b}, //marvell AP
{0x5ea422, 0x00a44f, 0x00a44f}, //ralink AP
//{0x5ea44f, 0x5ea44f, 0x5ea44f}, //realtek AP
{0xa44f, 0x5ea44f, 0x5e431c}, //realtek AP
{0x5ea42b, 0xa630, 0x5e431c}, //airgocap AP
{0x5ea42b, 0x5ea42b, 0x5ea42b}, //unknown AP
// {0x5e4322, 0x00a44f, 0x5ea44f}, //unknown AP
};
/*-----------------------------------------------------------------------------
* Function: dm_DIGInit()
*
* Overview: Set DIG scheme init value.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
*
*---------------------------------------------------------------------------*/
static void dm_DIGInit(
IN PADAPTER pAdapter
)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
pDigTable->Dig_Enable_Flag = _TRUE;
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_MAX;
pDigTable->CurIGValue = 0x20;
pDigTable->PreIGValue = 0x0;
pDigTable->CurSTAConnectState = pDigTable->PreSTAConnectState = DIG_STA_DISCONNECT;
pDigTable->CurMultiSTAConnectState = DIG_MultiSTA_DISCONNECT;
pDigTable->RssiLowThresh = DM_DIG_THRESH_LOW;
pDigTable->RssiHighThresh = DM_DIG_THRESH_HIGH;
pDigTable->FALowThresh = DM_FALSEALARM_THRESH_LOW;
pDigTable->FAHighThresh = DM_FALSEALARM_THRESH_HIGH;
pDigTable->rx_gain_range_max = DM_DIG_MAX;
pDigTable->rx_gain_range_min = DM_DIG_MIN;
pDigTable->rx_gain_range_min_nolink = 0;
pDigTable->BackoffVal = DM_DIG_BACKOFF_DEFAULT;
pDigTable->BackoffVal_range_max = DM_DIG_BACKOFF_MAX;
pDigTable->BackoffVal_range_min = DM_DIG_BACKOFF_MIN;
pDigTable->PreCCKPDState = CCK_PD_STAGE_MAX;
pDigTable->CurCCKPDState = CCK_PD_STAGE_LowRssi;
pDigTable->ForbiddenIGI = DM_DIG_MIN;
pDigTable->LargeFAHit = 0;
pDigTable->Recover_cnt = 0;
pdmpriv->DIG_Dynamic_MIN = 0x25; //for FUNAI_TV
}
static u8 dm_initial_gain_MinPWDB(
IN PADAPTER pAdapter
)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
int Rssi_val_min = 0;
if((pDigTable->CurMultiSTAConnectState == DIG_MultiSTA_CONNECT) &&
(pDigTable->CurSTAConnectState == DIG_STA_CONNECT) )
{
if(pdmpriv->EntryMinUndecoratedSmoothedPWDB != 0)
#ifdef CONFIG_CONCURRENT_MODE
Rssi_val_min = (pdmpriv->UndecoratedSmoothedPWDB+pdmpriv->EntryMinUndecoratedSmoothedPWDB)/2;
#else
Rssi_val_min = (pdmpriv->EntryMinUndecoratedSmoothedPWDB > pdmpriv->UndecoratedSmoothedPWDB)?
pdmpriv->UndecoratedSmoothedPWDB:pdmpriv->EntryMinUndecoratedSmoothedPWDB;
#endif //CONFIG_CONCURRENT_MODE
else
Rssi_val_min = pdmpriv->UndecoratedSmoothedPWDB;
}
else if(pDigTable->CurSTAConnectState == DIG_STA_CONNECT ||
pDigTable->CurSTAConnectState == DIG_STA_BEFORE_CONNECT)
Rssi_val_min = pdmpriv->UndecoratedSmoothedPWDB;
else if(pDigTable->CurMultiSTAConnectState == DIG_MultiSTA_CONNECT)
Rssi_val_min = pdmpriv->EntryMinUndecoratedSmoothedPWDB;
//printk("%s CurMultiSTAConnectState(0x%02x) UndecoratedSmoothedPWDB(%d),EntryMinUndecoratedSmoothedPWDB(%d)\n"
//,__FUNCTION__,pDigTable->CurSTAConnectState,
//pdmpriv->UndecoratedSmoothedPWDB,pdmpriv->EntryMinUndecoratedSmoothedPWDB);
return (u8)Rssi_val_min;
}
static VOID
dm_FalseAlarmCounterStatistics(
IN PADAPTER Adapter
)
{
u32 ret_value;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pdmpriv->FalseAlmCnt);
#ifdef CONFIG_CONCURRENT_MODE
PADAPTER pbuddy_adapter = Adapter->pbuddy_adapter;
#endif //CONFIG_CONCURRENT_MODE
ret_value = PHY_QueryBBReg(Adapter, rOFDM_PHYCounter1, bMaskDWord);
FalseAlmCnt->Cnt_Parity_Fail = ((ret_value&0xffff0000)>>16);
ret_value = PHY_QueryBBReg(Adapter, rOFDM_PHYCounter2, bMaskDWord);
FalseAlmCnt->Cnt_Rate_Illegal = (ret_value&0xffff);
FalseAlmCnt->Cnt_Crc8_fail = ((ret_value&0xffff0000)>>16);
ret_value = PHY_QueryBBReg(Adapter, rOFDM_PHYCounter3, bMaskDWord);
FalseAlmCnt->Cnt_Mcs_fail = (ret_value&0xffff);
ret_value = PHY_QueryBBReg(Adapter, rOFDM0_FrameSync, bMaskDWord);
FalseAlmCnt->Cnt_Fast_Fsync = (ret_value&0xffff);
FalseAlmCnt->Cnt_SB_Search_fail = ((ret_value&0xffff0000)>>16);
FalseAlmCnt->Cnt_Ofdm_fail = FalseAlmCnt->Cnt_Parity_Fail + FalseAlmCnt->Cnt_Rate_Illegal +
FalseAlmCnt->Cnt_Crc8_fail + FalseAlmCnt->Cnt_Mcs_fail+
FalseAlmCnt->Cnt_Fast_Fsync + FalseAlmCnt->Cnt_SB_Search_fail;
//hold cck counter
PHY_SetBBReg(Adapter, rCCK0_FalseAlarmReport, BIT(14), 1);
ret_value = PHY_QueryBBReg(Adapter, rCCK0_FACounterLower, bMaskByte0);
FalseAlmCnt->Cnt_Cck_fail = ret_value;
ret_value = PHY_QueryBBReg(Adapter, rCCK0_FACounterUpper, bMaskByte3);
FalseAlmCnt->Cnt_Cck_fail += (ret_value& 0xff)<<8;
FalseAlmCnt->Cnt_all = ( FalseAlmCnt->Cnt_Parity_Fail +
FalseAlmCnt->Cnt_Rate_Illegal +
FalseAlmCnt->Cnt_Crc8_fail +
FalseAlmCnt->Cnt_Mcs_fail +
FalseAlmCnt->Cnt_Cck_fail);
Adapter->recvpriv.FalseAlmCnt_all = FalseAlmCnt->Cnt_all;
#ifdef CONFIG_CONCURRENT_MODE
if(pbuddy_adapter)
pbuddy_adapter->recvpriv.FalseAlmCnt_all = FalseAlmCnt->Cnt_all;
#endif //CONFIG_CONCURRENT_MODE
//reset false alarm counter registers
PHY_SetBBReg(Adapter, rOFDM1_LSTF, 0x08000000, 1);
PHY_SetBBReg(Adapter, rOFDM1_LSTF, 0x08000000, 0);
//reset cck counter
PHY_SetBBReg(Adapter, rCCK0_FalseAlarmReport, 0x0000c000, 0);
//enable cck counter
PHY_SetBBReg(Adapter, rCCK0_FalseAlarmReport, 0x0000c000, 2);
//RT_TRACE( COMP_DIG, DBG_LOUD, ("Cnt_Parity_Fail = %ld, Cnt_Rate_Illegal = %ld, Cnt_Crc8_fail = %ld, Cnt_Mcs_fail = %ld\n",
// FalseAlmCnt->Cnt_Parity_Fail, FalseAlmCnt->Cnt_Rate_Illegal, FalseAlmCnt->Cnt_Crc8_fail, FalseAlmCnt->Cnt_Mcs_fail) );
//RT_TRACE( COMP_DIG, DBG_LOUD, ("Cnt_Ofdm_fail = %ld, Cnt_Cck_fail = %ld, Cnt_all = %ld\n",
// FalseAlmCnt->Cnt_Ofdm_fail, FalseAlmCnt->Cnt_Cck_fail, FalseAlmCnt->Cnt_all) );
//RT_TRACE( COMP_DIG, DBG_LOUD, ("Cnt_Ofdm_fail = %ld, Cnt_Cck_fail = %ld, Cnt_all = %ld\n",
// FalseAlmCnt->Cnt_Ofdm_fail, FalseAlmCnt->Cnt_Cck_fail, FalseAlmCnt->Cnt_all) );
}
static VOID
DM_Write_DIG(
IN PADAPTER pAdapter
)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
#ifdef CONFIG_CONCURRENT_MODE
if(rtw_buddy_adapter_up(pAdapter))
{
PADAPTER pbuddy_adapter = pAdapter->pbuddy_adapter;
PHAL_DATA_TYPE pbuddy_HalData = GET_HAL_DATA(pbuddy_adapter);
struct dm_priv *pbuddy_dmpriv = &pbuddy_HalData->dmpriv;
DIG_T *pbuddy_DigTable = &pbuddy_dmpriv->DM_DigTable;
//sync IGValue
pbuddy_DigTable->PreIGValue = pDigTable->PreIGValue;
pbuddy_DigTable->CurIGValue = pDigTable->CurIGValue;
}
#endif //CONFIG_CONCURRENT_MODE
//RT_TRACE( COMP_DIG, DBG_LOUD, ("CurIGValue = 0x%lx, PreIGValue = 0x%lx, BackoffVal = %d\n",
// DM_DigTable.CurIGValue, DM_DigTable.PreIGValue, DM_DigTable.BackoffVal));
if (pDigTable->Dig_Enable_Flag == _FALSE)
{
//RT_TRACE( COMP_DIG, DBG_LOUD, ("DIG is disabled\n"));
pDigTable->PreIGValue = 0x17;
return;
}
if( (pDigTable->PreIGValue != pDigTable->CurIGValue) || ( pAdapter->bForceWriteInitGain ) )
{
// Set initial gain.
//PHY_SetBBReg(pAdapter, rOFDM0_XAAGCCore1, bMaskByte0, pDigTable->CurIGValue);
//PHY_SetBBReg(pAdapter, rOFDM0_XBAGCCore1, bMaskByte0, pDigTable->CurIGValue);
//printk("%s DIG(0x%02x)\n",__FUNCTION__,pDigTable->CurIGValue);
#if defined CONFIG_WIDI_DIG_3E && defined CONFIG_INTEL_WIDI
if( pAdapter->mlmepriv.widi_enable == _TRUE )
{
PHY_SetBBReg(pAdapter, rOFDM0_XAAGCCore1, 0x7f, 0x3e);
PHY_SetBBReg(pAdapter, rOFDM0_XBAGCCore1, 0x7f, 0x3e);
}
else
#endif //defined CONFIG_WIDI_DIG_3E && defined CONFIG_INTEL_WIDI
{
PHY_SetBBReg(pAdapter, rOFDM0_XAAGCCore1, 0x7f, pDigTable->CurIGValue);
PHY_SetBBReg(pAdapter, rOFDM0_XBAGCCore1, 0x7f, pDigTable->CurIGValue);
}
pDigTable->PreIGValue = pDigTable->CurIGValue;
}
}
static VOID
dm_CtrlInitGainByFA(
IN PADAPTER pAdapter
)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pdmpriv->FalseAlmCnt);
u8 value_IGI = pDigTable->CurIGValue;
if(FalseAlmCnt->Cnt_all < DM_DIG_FA_TH0)
value_IGI --;
else if(FalseAlmCnt->Cnt_all < DM_DIG_FA_TH1)
value_IGI += 0;
else if(FalseAlmCnt->Cnt_all < DM_DIG_FA_TH2)
value_IGI ++;
else if(FalseAlmCnt->Cnt_all >= DM_DIG_FA_TH2)
value_IGI +=2;
if(value_IGI > DM_DIG_FA_UPPER)
value_IGI = DM_DIG_FA_UPPER;
if(value_IGI < DM_DIG_FA_LOWER)
value_IGI = DM_DIG_FA_LOWER;
if(FalseAlmCnt->Cnt_all > 10000)
value_IGI = DM_DIG_FA_UPPER;
pDigTable->CurIGValue = value_IGI;
DM_Write_DIG(pAdapter);
}
#ifdef CONFIG_SPECIAL_SETTING_FOR_FUNAI_TV
VOID dm_CtrlInitGainByRssi( IN PADAPTER pAdapter)
{
u32 isBT;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pdmpriv->FalseAlmCnt);
#ifdef CONFIG_DM_ADAPTIVITY
u8 Adap_IGI_Upper = pdmpriv->IGI_target + 30 + (u8) pdmpriv->TH_L2H_ini -(u8) pdmpriv->TH_EDCCA_HL_diff;
#endif
//modify DIG upper bound
if((pDigTable->Rssi_val_min + 20) > DM_DIG_MAX )
pDigTable->rx_gain_range_max = DM_DIG_MAX;
else
pDigTable->rx_gain_range_max = pDigTable->Rssi_val_min + 20;
//modify DIG lower bound
if((FalseAlmCnt->Cnt_all > 500)&&(pdmpriv->DIG_Dynamic_MIN < 0x25))
pdmpriv->DIG_Dynamic_MIN++;
if((FalseAlmCnt->Cnt_all < 500)&&(pdmpriv->DIG_Dynamic_MIN > DM_DIG_MIN))
pdmpriv->DIG_Dynamic_MIN--;
if((pDigTable->Rssi_val_min < 8) && (pdmpriv->DIG_Dynamic_MIN > DM_DIG_MIN))
pdmpriv->DIG_Dynamic_MIN--;
//modify DIG lower bound, deal with abnorally large false alarm
if(FalseAlmCnt->Cnt_all > 10000)
{
//RT_TRACE(COMP_DIG, DBG_LOUD, ("dm_DIG(): Abnornally false alarm case. \n"));
pDigTable->LargeFAHit++;
if(pDigTable->ForbiddenIGI < pDigTable->CurIGValue)
{
pDigTable->ForbiddenIGI = pDigTable->CurIGValue;
pDigTable->LargeFAHit = 1;
}
if(pDigTable->LargeFAHit >= 3)
{
if((pDigTable->ForbiddenIGI+1) >pDigTable->rx_gain_range_max)
pDigTable->rx_gain_range_min = pDigTable->rx_gain_range_max;
else
pDigTable->rx_gain_range_min = (pDigTable->ForbiddenIGI + 1);
pDigTable->Recover_cnt = 3600; //3600=2hr
}
}
else
{
//Recovery mechanism for IGI lower bound
if(pDigTable->Recover_cnt != 0){
pDigTable->Recover_cnt --;
}
else
{
if(pDigTable->LargeFAHit == 0 )
{
if((pDigTable->ForbiddenIGI -1) < pdmpriv->DIG_Dynamic_MIN) //DM_DIG_MIN)
{
pDigTable->ForbiddenIGI = pdmpriv->DIG_Dynamic_MIN; //DM_DIG_MIN;
pDigTable->rx_gain_range_min = pdmpriv->DIG_Dynamic_MIN; //DM_DIG_MIN;
}
else
{
pDigTable->ForbiddenIGI --;
pDigTable->rx_gain_range_min = (pDigTable->ForbiddenIGI + 1);
}
}
else if(pDigTable->LargeFAHit == 3 )
{
pDigTable->LargeFAHit = 0;
}
}
}
#ifdef CONFIG_USB_HCI
if(FalseAlmCnt->Cnt_all < 250)
{
#endif
//DBG_8192C("===> dm_CtrlInitGainByRssi, Enter DIG by SS mode\n");
isBT = rtw_read8(pAdapter, 0x4fd) & 0x01;
if(!isBT){
if(FalseAlmCnt->Cnt_all > pDigTable->FAHighThresh)
{
if((pDigTable->BackoffVal -2) < pDigTable->BackoffVal_range_min)
pDigTable->BackoffVal = pDigTable->BackoffVal_range_min;
else
pDigTable->BackoffVal -= 2;
}
else if(FalseAlmCnt->Cnt_all < pDigTable->FALowThresh)
{
if((pDigTable->BackoffVal+2) > pDigTable->BackoffVal_range_max)
pDigTable->BackoffVal = pDigTable->BackoffVal_range_max;
else
pDigTable->BackoffVal +=2;
}
}
else
pDigTable->BackoffVal = DM_DIG_BACKOFF_DEFAULT;
pDigTable->CurIGValue = pDigTable->Rssi_val_min+10-pDigTable->BackoffVal;
//DBG_8192C("Rssi_val_min = %x BackoffVal %x\n",pDigTable->Rssi_val_min, pDigTable->BackoffVal);
#ifdef CONFIG_USB_HCI
}
else
{
//DBG_8192C("===> dm_CtrlInitGainByRssi, Enter DIG by FA mode\n");
//DBG_8192C("RSSI = 0x%x", pDigTable->Rssi_val_min);
//Adjust initial gain by false alarm
if(FalseAlmCnt->Cnt_all > 1000)
pDigTable->CurIGValue = pDigTable ->PreIGValue+2;
else if (FalseAlmCnt->Cnt_all > 750)
pDigTable->CurIGValue = pDigTable->PreIGValue+1;
else if(FalseAlmCnt->Cnt_all < 500)
pDigTable->CurIGValue = pDigTable->PreIGValue-1;
}
#endif
//Check initial gain by upper/lower bound
if(pDigTable->CurIGValue >pDigTable->rx_gain_range_max)
pDigTable->CurIGValue = pDigTable->rx_gain_range_max;
if(pDigTable->CurIGValue < pDigTable->rx_gain_range_min)
pDigTable->CurIGValue = pDigTable->rx_gain_range_min;
#ifdef CONFIG_DM_ADAPTIVITY
if(pdmpriv->DMFlag & DYNAMIC_FUNC_ADAPTIVITY)
{
if(pDigTable->CurIGValue > Adap_IGI_Upper)
pDigTable->CurIGValue = Adap_IGI_Upper;
if(pdmpriv->IGI_LowerBound != 0)
{
if(pDigTable->CurIGValue < pdmpriv->IGI_LowerBound)
pDigTable->CurIGValue = pdmpriv->IGI_LowerBound;
}
LOG_LEVEL(_drv_info_, FUNC_ADPT_FMT": pdmpriv->IGI_LowerBound = %d\n",
FUNC_ADPT_ARG(pAdapter), pdmpriv->IGI_LowerBound);
}
#endif /* CONFIG_DM_ADAPTIVITY */
//printk("%s => rx_gain_range_max(0x%02x) rx_gain_range_min(0x%02x)\n",__FUNCTION__,
// pDigTable->rx_gain_range_max,pDigTable->rx_gain_range_min);
//printk("%s CurIGValue(0x%02x) <====\n",__FUNCTION__,pDigTable->CurIGValue );
DM_Write_DIG(pAdapter);
}
#else
static VOID dm_CtrlInitGainByRssi(IN PADAPTER pAdapter)
{
u32 isBT;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pdmpriv->FalseAlmCnt);
u8 RSSI_tmp = dm_initial_gain_MinPWDB(pAdapter);
#ifdef CONFIG_DM_ADAPTIVITY
u8 Adap_IGI_Upper = pdmpriv->IGI_target + 30 + (u8) pdmpriv->TH_L2H_ini -(u8) pdmpriv->TH_EDCCA_HL_diff;
#endif
//modify DIG upper bound
if((pDigTable->Rssi_val_min + 20) > DM_DIG_MAX )
pDigTable->rx_gain_range_max = DM_DIG_MAX;
else
pDigTable->rx_gain_range_max = pDigTable->Rssi_val_min + 20;
//printk("%s Rssi_val_min(0x%02x),rx_gain_range_max(0x%02x)\n",__FUNCTION__,pDigTable->Rssi_val_min,pDigTable->rx_gain_range_max);
//modify DIG lower bound, deal with abnorally large false alarm
if(FalseAlmCnt->Cnt_all > 10000)
{
//RT_TRACE(COMP_DIG, DBG_LOUD, ("dm_DIG(): Abnornally false alarm case. \n"));
pDigTable->LargeFAHit++;
if(pDigTable->ForbiddenIGI < pDigTable->CurIGValue)
{
pDigTable->ForbiddenIGI = pDigTable->CurIGValue;
pDigTable->LargeFAHit = 1;
}
if(pDigTable->LargeFAHit >= 3)
{
if((pDigTable->ForbiddenIGI+1) > pDigTable->rx_gain_range_max)
pDigTable->rx_gain_range_min = pDigTable->rx_gain_range_max;
else
pDigTable->rx_gain_range_min = (pDigTable->ForbiddenIGI + 1);
pDigTable->Recover_cnt = 3600; //3600=2hr
}
}
else
{
//Recovery mechanism for IGI lower bound
if(pDigTable->Recover_cnt != 0)
pDigTable->Recover_cnt --;
else
{
if(pDigTable->LargeFAHit == 0 )
{
if((pDigTable->ForbiddenIGI -1) < DM_DIG_MIN)
{
pDigTable->ForbiddenIGI = DM_DIG_MIN;
pDigTable->rx_gain_range_min = DM_DIG_MIN;
}
else
{
pDigTable->ForbiddenIGI --;
pDigTable->rx_gain_range_min = (pDigTable->ForbiddenIGI + 1);
}
}
else if(pDigTable->LargeFAHit == 3 )
{
pDigTable->LargeFAHit = 0;
}
}
}
//RT_TRACE(COMP_DIG, DBG_LOUD, ("DM_DigTable.ForbiddenIGI = 0x%x, DM_DigTable.LargeFAHit = 0x%x\n",pDigTable->ForbiddenIGI, pDigTable->LargeFAHit));
//RT_TRACE(COMP_DIG, DBG_LOUD, ("DM_DigTable.rx_gain_range_max = 0x%x, DM_DigTable.rx_gain_range_min = 0x%x\n",pDigTable->rx_gain_range_max, pDigTable->rx_gain_range_min));
#ifdef CONFIG_USB_HCI
if(FalseAlmCnt->Cnt_all < 250)
{
#endif
//DBG_8192C("===> dm_CtrlInitGainByRssi, Enter DIG by SS mode\n");
isBT = rtw_read8(pAdapter, 0x4fd) & 0x01;
if(!isBT){
if(FalseAlmCnt->Cnt_all > pDigTable->FAHighThresh)
{
if((pDigTable->BackoffVal -2) < pDigTable->BackoffVal_range_min)
pDigTable->BackoffVal = pDigTable->BackoffVal_range_min;
else
pDigTable->BackoffVal -= 2;
}
else if(FalseAlmCnt->Cnt_all < pDigTable->FALowThresh)
{
if((pDigTable->BackoffVal+2) > pDigTable->BackoffVal_range_max)
pDigTable->BackoffVal = pDigTable->BackoffVal_range_max;
else
pDigTable->BackoffVal +=2;
}
}
else
pDigTable->BackoffVal = DM_DIG_BACKOFF_DEFAULT;
pDigTable->CurIGValue = pDigTable->Rssi_val_min+10-pDigTable->BackoffVal;
//DBG_8192C("Rssi_val_min = %x BackoffVal %x\n",pDigTable->Rssi_val_min, pDigTable->BackoffVal);
#ifdef CONFIG_USB_HCI
}
else
{
//DBG_8192C("===> dm_CtrlInitGainByRssi, Enter DIG by FA mode\n");
//DBG_8192C("RSSI = 0x%x", pDigTable->Rssi_val_min);
//Adjust initial gain by false alarm
if(FalseAlmCnt->Cnt_all > 1000)
pDigTable->CurIGValue = pDigTable ->PreIGValue+2;
else if (FalseAlmCnt->Cnt_all > 750)
pDigTable->CurIGValue = pDigTable->PreIGValue+1;
else if(FalseAlmCnt->Cnt_all < 500)
pDigTable->CurIGValue = pDigTable->PreIGValue-1;
}
#endif
if(RSSI_tmp <= DM_DIG_MIN)
pDigTable->rx_gain_range_min = DM_DIG_MIN;
else if(RSSI_tmp >= DM_DIG_MAX)
pDigTable->rx_gain_range_min = DM_DIG_MAX;
else
pDigTable->rx_gain_range_min = RSSI_tmp;
//Check initial gain by upper/lower bound
if(pDigTable->CurIGValue >pDigTable->rx_gain_range_max)
pDigTable->CurIGValue = pDigTable->rx_gain_range_max;
if(pDigTable->CurIGValue < pDigTable->rx_gain_range_min)
pDigTable->CurIGValue = pDigTable->rx_gain_range_min;
#ifdef CONFIG_DM_ADAPTIVITY
if(pdmpriv->DMFlag & DYNAMIC_FUNC_ADAPTIVITY)
{
if(pDigTable->CurIGValue > Adap_IGI_Upper)
pDigTable->CurIGValue = Adap_IGI_Upper;
if(pdmpriv->IGI_LowerBound != 0)
{
if(pDigTable->CurIGValue < pdmpriv->IGI_LowerBound)
pDigTable->CurIGValue = pdmpriv->IGI_LowerBound;
}
LOG_LEVEL(_drv_info_, FUNC_ADPT_FMT": pdmpriv->IGI_LowerBound = %d\n",
FUNC_ADPT_ARG(pAdapter), pdmpriv->IGI_LowerBound);
}
#endif /* CONFIG_DM_ADAPTIVITY */
//printk("%s => rx_gain_range_max(0x%02x) rx_gain_range_min(0x%02x)\n",__FUNCTION__,
// pDigTable->rx_gain_range_max,pDigTable->rx_gain_range_min);
//printk("%s CurIGValue(0x%02x) <====\n",__FUNCTION__,pDigTable->CurIGValue );
DM_Write_DIG(pAdapter);
}
#endif
static VOID
dm_initial_gain_Multi_STA(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
struct mlme_priv *pmlmepriv = &(pAdapter->mlmepriv);
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
int rssi_strength = pdmpriv->EntryMinUndecoratedSmoothedPWDB;
BOOLEAN bMulti_STA = _FALSE;
#ifdef CONFIG_CONCURRENT_MODE
//AP Mode
if(check_buddy_fwstate(pAdapter, WIFI_AP_STATE) == _TRUE && (rssi_strength !=0))
{
bMulti_STA = _TRUE;
}
else if(pDigTable->CurMultiSTAConnectState == DIG_MultiSTA_CONNECT && rssi_strength==0) //STA+STA MODE
{
bMulti_STA = _TRUE;
rssi_strength = pdmpriv->UndecoratedSmoothedPWDB;
}
#endif //CONFIG_CONCURRENT_MODE
//ADHOC and AP Mode
if(check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == _TRUE)
{
bMulti_STA = _TRUE;
}
if((bMulti_STA == _FALSE)
|| (pDigTable->CurSTAConnectState == DIG_STA_DISCONNECT))
{
pdmpriv->binitialized = _FALSE;
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_MAX;
return;
}
else if(pdmpriv->binitialized == _FALSE)
{
pdmpriv->binitialized = _TRUE;
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_0;
pDigTable->CurIGValue = 0x20;
DM_Write_DIG(pAdapter);
}
// Initial gain control by ap mode
if(pDigTable->CurMultiSTAConnectState == DIG_MultiSTA_CONNECT)
{
if ( (rssi_strength < pDigTable->RssiLowThresh) &&
(pDigTable->Dig_Ext_Port_Stage != DIG_EXT_PORT_STAGE_1))
{
// Set to dig value to 0x20 for Luke's opinion after disable dig
if(pDigTable->Dig_Ext_Port_Stage == DIG_EXT_PORT_STAGE_2)
{
pDigTable->CurIGValue = 0x20;
DM_Write_DIG(pAdapter);
}
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_1;
}
else if (rssi_strength > pDigTable->RssiHighThresh)
{
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_2;
dm_CtrlInitGainByFA(pAdapter);
}
}
else if(pDigTable->Dig_Ext_Port_Stage != DIG_EXT_PORT_STAGE_0)
{
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_0;
pDigTable->CurIGValue = 0x20;
DM_Write_DIG(pAdapter);
}
//RT_TRACE( COMP_DIG, DBG_LOUD, ("CurMultiSTAConnectState = %x Dig_Ext_Port_Stage %x\n",
// DM_DigTable.CurMultiSTAConnectState, DM_DigTable.Dig_Ext_Port_Stage));
}
static VOID
dm_initial_gain_STA_beforelinked(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
PFALSE_ALARM_STATISTICS pFalseAlmCnt = &(pdmpriv->FalseAlmCnt);
//CurrentIGI = pDM_DigTable->rx_gain_range_min;//pDM_DigTable->CurIGValue = pDM_DigTable->rx_gain_range_min
//ODM_RT_TRACE(pDM_Odm, ODM_COMP_DIG, ODM_DBG_LOUD, ("odm_DIG(): DIG BeforeLink\n"));
//2012.03.30 LukeLee: enable DIG before link but with very high thresholds
// Updated by Albert 2012/09/27
// Copy the same rule from 8192du code.
if( pFalseAlmCnt->Cnt_all > 2000 )
pDigTable->CurIGValue += 2;
else if ( ( pFalseAlmCnt->Cnt_all > 1000 ) && ( pFalseAlmCnt->Cnt_all <= 1000 ) )
pDigTable->CurIGValue += 1;
else if(pFalseAlmCnt->Cnt_all < 500)
pDigTable->CurIGValue -= 1;
//Check initial gain by upper/lower bound
if(pDigTable->CurIGValue >pDigTable->rx_gain_range_max)
pDigTable->CurIGValue = pDigTable->rx_gain_range_max;
if(pDigTable->CurIGValue < pDigTable->rx_gain_range_min)
pDigTable->CurIGValue = pDigTable->rx_gain_range_min;
printk("%s ==> FalseAlmCnt->Cnt_all:%d CurIGValue:0x%02x \n",__FUNCTION__,pFalseAlmCnt->Cnt_all ,pDigTable->CurIGValue);
}
static VOID
dm_initial_gain_STA(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
//RT_TRACE( COMP_DIG, DBG_LOUD, ("PreSTAConnectState = %x, CurSTAConnectState = %x\n",
// DM_DigTable.PreSTAConnectState, DM_DigTable.CurSTAConnectState));
if(pDigTable->PreSTAConnectState == pDigTable->CurSTAConnectState||
pDigTable->CurSTAConnectState == DIG_STA_BEFORE_CONNECT ||
pDigTable->CurSTAConnectState == DIG_STA_CONNECT)
{
// beforeconnect -> beforeconnect or connect -> connect
// (dis)connect -> beforeconnect
// disconnect -> connecct or beforeconnect -> connect
if(pDigTable->CurSTAConnectState != DIG_STA_DISCONNECT)
{
pDigTable->Rssi_val_min = dm_initial_gain_MinPWDB(pAdapter);
dm_CtrlInitGainByRssi(pAdapter);
}
#if 0
else if((wdev_to_priv(pAdapter->rtw_wdev))->p2p_enabled == _TRUE
&& pAdapter->wdinfo.driver_interface == DRIVER_CFG80211)
{
//pDigTable->CurIGValue = 0x30;
DM_Write_DIG(pAdapter);
}
#endif
else{ // pDigTable->CurSTAConnectState == DIG_STA_DISCONNECT
#ifdef CONFIG_BEFORE_LINKED_DIG
//printk("%s==> ##1 CurIGI(0x%02x),PreIGValue(0x%02x) \n",__FUNCTION__,pDigTable->CurIGValue,pDigTable->PreIGValue );
dm_initial_gain_STA_beforelinked(pAdapter);
DM_Write_DIG(pAdapter);
#endif //CONFIG_BEFORE_LINKED_DIG
}
}
else
{
// connect -> disconnect or beforeconnect -> disconnect
pDigTable->Rssi_val_min = 0;
pDigTable->Dig_Ext_Port_Stage = DIG_EXT_PORT_STAGE_MAX;
pDigTable->BackoffVal = DM_DIG_BACKOFF_DEFAULT;
pDigTable->CurIGValue = 0x20;
pDigTable->PreIGValue = 0;
#ifdef CONFIG_BEFORE_LINKED_DIG
//printk("%s==> ##2 CurIGI(0x%02x),PreIGValue(0x%02x) \n",__FUNCTION__,pDigTable->CurIGValue,pDigTable->PreIGValue );
dm_initial_gain_STA_beforelinked(pAdapter);
#endif //CONFIG_BEFORE_LINKED_DIG
DM_Write_DIG(pAdapter);
}
}
static void dm_CCK_PacketDetectionThresh(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pdmpriv->FalseAlmCnt);
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
if(pDigTable->CurSTAConnectState == DIG_STA_CONNECT)
{
pDigTable->Rssi_val_min = dm_initial_gain_MinPWDB(pAdapter);
if(pDigTable->PreCCKPDState == CCK_PD_STAGE_LowRssi)
{
if(pDigTable->Rssi_val_min <= 25)
pDigTable->CurCCKPDState = CCK_PD_STAGE_LowRssi;
else
pDigTable->CurCCKPDState = CCK_PD_STAGE_HighRssi;
}
else{
if(pDigTable->Rssi_val_min <= 20)
pDigTable->CurCCKPDState = CCK_PD_STAGE_LowRssi;
else
pDigTable->CurCCKPDState = CCK_PD_STAGE_HighRssi;
}
}
else
pDigTable->CurCCKPDState=CCK_PD_STAGE_MAX;
if(pDigTable->PreCCKPDState != pDigTable->CurCCKPDState)
{
if((pDigTable->CurCCKPDState == CCK_PD_STAGE_LowRssi)||
(pDigTable->CurCCKPDState == CCK_PD_STAGE_MAX))
{
PHY_SetBBReg(pAdapter, rCCK0_CCA, bMaskByte2, 0x83);
//PHY_SetBBReg(pAdapter, rCCK0_System, bMaskByte1, 0x40);
//if(IS_92C_SERIAL(pHalData->VersionID))
//PHY_SetBBReg(pAdapter, rCCK0_FalseAlarmReport , bMaskByte2, 0xd7);
}
else
{
PHY_SetBBReg(pAdapter, rCCK0_CCA, bMaskByte2, 0xcd);
//PHY_SetBBReg(pAdapter,rCCK0_System, bMaskByte1, 0x47);
//if(IS_92C_SERIAL(pHalData->VersionID))
//PHY_SetBBReg(pAdapter, rCCK0_FalseAlarmReport , bMaskByte2, 0xd3);
}
pDigTable->PreCCKPDState = pDigTable->CurCCKPDState;
}
//RT_TRACE( COMP_DIG, DBG_LOUD, ("CCKPDStage=%x\n",pDigTable->CurCCKPDState));
//RT_TRACE( COMP_DIG, DBG_LOUD, ("is92C=%x\n",IS_92C_SERIAL(pHalData->VersionID)));
}
static void
dm_CtrlInitGainByTwoPort(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
struct mlme_priv *pmlmepriv = &(pAdapter->mlmepriv);
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE)
{
#ifdef CONFIG_IOCTL_CFG80211
if((wdev_to_priv(pAdapter->rtw_wdev))->p2p_enabled == _TRUE)
{
}
else
#endif
return;
}
// Decide the current status and if modify initial gain or not
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == _TRUE)
{
pDigTable->CurSTAConnectState = DIG_STA_BEFORE_CONNECT;
}
else if(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
{
pDigTable->CurSTAConnectState = DIG_STA_CONNECT;
}
else
{
pDigTable->CurSTAConnectState = DIG_STA_DISCONNECT;
}
pDigTable->CurMultiSTAConnectState = DIG_MultiSTA_DISCONNECT;
if(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == _TRUE)
{
if((is_IBSS_empty(pAdapter)==_FAIL) && (pAdapter->stapriv.asoc_sta_count > 2))
pDigTable->CurMultiSTAConnectState = DIG_MultiSTA_CONNECT;
}
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
if(pAdapter->stapriv.asoc_sta_count > 2)
pDigTable->CurMultiSTAConnectState = DIG_MultiSTA_CONNECT;
}
#ifdef CONFIG_CONCURRENT_MODE
if(check_buddy_fwstate(pAdapter, WIFI_AP_STATE) == _TRUE)
{
PADAPTER pbuddy_adapter = pAdapter->pbuddy_adapter;
if(pbuddy_adapter->stapriv.asoc_sta_count > 2)
{
pDigTable->CurSTAConnectState = DIG_STA_CONNECT;
pDigTable->CurMultiSTAConnectState = DIG_MultiSTA_CONNECT;
}
}
else if(check_buddy_fwstate(pAdapter, WIFI_STATION_STATE) == _TRUE &&
check_buddy_fwstate(pAdapter, _FW_LINKED) == _TRUE)
{
pDigTable->CurSTAConnectState = DIG_STA_CONNECT;
}
#endif //CONFIG_CONCURRENT_MODE
dm_initial_gain_STA(pAdapter);
dm_initial_gain_Multi_STA(pAdapter);
//Baron temp DIG solution for DMP
//dm_CtrlInitGainByFA(pAdapter);
dm_CCK_PacketDetectionThresh(pAdapter);
pDigTable->PreSTAConnectState = pDigTable->CurSTAConnectState;
}
static void dm_DIG(
IN PADAPTER pAdapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
DIG_T *pDigTable = &pdmpriv->DM_DigTable;
//Read 0x0c50; Initial gain
pDigTable->PreIGValue = (u8)PHY_QueryBBReg(pAdapter, rOFDM0_XAAGCCore1, bMaskByte0);
//RTPRINT(FDM, DM_Monitor, ("dm_DIG() ==>\n"));
if(pdmpriv->bDMInitialGainEnable == _FALSE)
return;
//if(pDigTable->Dig_Enable_Flag == _FALSE)
// return;
if(!(pdmpriv->DMFlag & DYNAMIC_FUNC_DIG))
return;
//RTPRINT(FDM, DM_Monitor, ("dm_DIG() progress \n"));
dm_CtrlInitGainByTwoPort(pAdapter);
//RTPRINT(FDM, DM_Monitor, ("dm_DIG() <==\n"));
}
static void dm_SavePowerIndex(IN PADAPTER Adapter)
{
u8 index;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
u32 Power_Index_REG[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
for(index = 0; index< 6; index++)
pdmpriv->PowerIndex_backup[index] = rtw_read8(Adapter, Power_Index_REG[index]);
}
static void dm_RestorePowerIndex(IN PADAPTER Adapter)
{
u8 index;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
u32 Power_Index_REG[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
for(index = 0; index< 6; index++)
rtw_write8(Adapter, Power_Index_REG[index], pdmpriv->PowerIndex_backup[index]);
}
static void dm_WritePowerIndex(
IN PADAPTER Adapter,
IN u8 Value)
{
u8 index;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
u32 Power_Index_REG[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
for(index = 0; index< 6; index++)
rtw_write8(Adapter, Power_Index_REG[index], Value);
}
static void dm_InitDynamicTxPower(IN PADAPTER Adapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
#ifdef CONFIG_USB_HCI
#ifdef CONFIG_INTEL_PROXIM
if((pHalData->BoardType == BOARD_USB_High_PA)||(Adapter->proximity.proxim_support==_TRUE))
#else
if(pHalData->BoardType == BOARD_USB_High_PA)
#endif