rtl8188eu/hal/rtl8188e/rtl8188e_dm.c

651 lines
18 KiB
C
Raw Normal View History

/******************************************************************************
*
* 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
//
//
//============================================================
#define _RTL8188E_DM_C_
//============================================================
// include files
//============================================================
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <rtw_byteorder.h>
#include <rtl8188e_hal.h>
//============================================================
// Global var
//============================================================
static VOID
dm_CheckProtection(
IN PADAPTER Adapter
)
{
#if 0
PMGNT_INFO pMgntInfo = &(Adapter->MgntInfo);
u1Byte CurRate, RateThreshold;
if(pMgntInfo->pHTInfo->bCurBW40MHz)
RateThreshold = MGN_MCS1;
else
RateThreshold = MGN_MCS3;
if(Adapter->TxStats.CurrentInitTxRate <= RateThreshold)
{
pMgntInfo->bDmDisableProtect = TRUE;
DbgPrint("Forced disable protect: %x\n", Adapter->TxStats.CurrentInitTxRate);
}
else
{
pMgntInfo->bDmDisableProtect = FALSE;
DbgPrint("Enable protect: %x\n", Adapter->TxStats.CurrentInitTxRate);
}
#endif
}
static VOID
dm_CheckStatistics(
IN PADAPTER Adapter
)
{
#if 0
if(!Adapter->MgntInfo.bMediaConnect)
return;
//2008.12.10 tynli Add for getting Current_Tx_Rate_Reg flexibly.
rtw_hal_get_hwreg( Adapter, HW_VAR_INIT_TX_RATE, (pu1Byte)(&Adapter->TxStats.CurrentInitTxRate) );
// Calculate current Tx Rate(Successful transmited!!)
// Calculate current Rx Rate(Successful received!!)
//for tx tx retry count
rtw_hal_get_hwreg( Adapter, HW_VAR_RETRY_COUNT, (pu1Byte)(&Adapter->TxStats.NumTxRetryCount) );
#endif
}
static void dm_CheckPbcGPIO(_adapter *padapter)
{
u8 tmp1byte;
u8 bPbcPressed = _FALSE;
if(!padapter->registrypriv.hw_wps_pbc)
return;
#ifdef CONFIG_USB_HCI
tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
tmp1byte |= (HAL_8188E_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IO_SEL, tmp1byte); //enable GPIO[2] as output mode
tmp1byte &= ~(HAL_8188E_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IN, tmp1byte); //reset the floating voltage level
tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
tmp1byte &= ~(HAL_8188E_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IO_SEL, tmp1byte); //enable GPIO[2] as input mode
tmp1byte =rtw_read8(padapter, GPIO_IN);
if (tmp1byte == 0xff)
return ;
if (tmp1byte&HAL_8188E_HW_GPIO_WPS_BIT)
{
bPbcPressed = _TRUE;
}
#else
tmp1byte = rtw_read8(padapter, GPIO_IN);
//RT_TRACE(COMP_IO, DBG_TRACE, ("dm_CheckPbcGPIO - %x\n", tmp1byte));
if (tmp1byte == 0xff || padapter->init_adpt_in_progress)
return ;
if((tmp1byte&HAL_8188E_HW_GPIO_WPS_BIT)==0)
{
bPbcPressed = _TRUE;
}
#endif
if( _TRUE == bPbcPressed)
{
// Here we only set bPbcPressed to true
// After trigger PBC, the variable will be set to false
DBG_8192C("CheckPbcGPIO - PBC is pressed\n");
#ifdef RTK_DMP_PLATFORM
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12))
kobject_uevent(&padapter->pnetdev->dev.kobj, KOBJ_NET_PBC);
#else
kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_NET_PBC);
#endif
#else
if ( padapter->pid[0] == 0 )
{ // 0 is the default value and it means the application monitors the HW PBC doesn't privde its pid to driver.
return;
}
#ifdef PLATFORM_LINUX
rtw_signal_process(padapter->pid[0], SIGUSR1);
#endif
#endif
}
}
#ifdef CONFIG_PCI_HCI
//
// Description:
// Perform interrupt migration dynamically to reduce CPU utilization.
//
// Assumption:
// 1. Do not enable migration under WIFI test.
//
// Created by Roger, 2010.03.05.
//
VOID
dm_InterruptMigration(
IN PADAPTER Adapter
)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
BOOLEAN bCurrentIntMt, bCurrentACIntDisable;
BOOLEAN IntMtToSet = _FALSE;
BOOLEAN ACIntToSet = _FALSE;
// Retrieve current interrupt migration and Tx four ACs IMR settings first.
bCurrentIntMt = pHalData->bInterruptMigration;
bCurrentACIntDisable = pHalData->bDisableTxInt;
//
// <Roger_Notes> Currently we use busy traffic for reference instead of RxIntOK counts to prevent non-linear Rx statistics
// when interrupt migration is set before. 2010.03.05.
//
if(!Adapter->registrypriv.wifi_spec &&
(check_fwstate(pmlmepriv, _FW_LINKED)== _TRUE) &&
pmlmepriv->LinkDetectInfo.bHigherBusyTraffic)
{
IntMtToSet = _TRUE;
// To check whether we should disable Tx interrupt or not.
if(pmlmepriv->LinkDetectInfo.bHigherBusyRxTraffic )
ACIntToSet = _TRUE;
}
//Update current settings.
if( bCurrentIntMt != IntMtToSet ){
DBG_8192C("%s(): Update interrrupt migration(%d)\n",__FUNCTION__,IntMtToSet);
if(IntMtToSet)
{
//
// <Roger_Notes> Set interrrupt migration timer and corresponging Tx/Rx counter.
// timer 25ns*0xfa0=100us for 0xf packets.
// 2010.03.05.
//
rtw_write32(Adapter, REG_INT_MIG, 0xff000fa0);// 0x306:Rx, 0x307:Tx
pHalData->bInterruptMigration = IntMtToSet;
}
else
{
// Reset all interrupt migration settings.
rtw_write32(Adapter, REG_INT_MIG, 0);
pHalData->bInterruptMigration = IntMtToSet;
}
}
/*if( bCurrentACIntDisable != ACIntToSet ){
DBG_8192C("%s(): Update AC interrrupt(%d)\n",__FUNCTION__,ACIntToSet);
if(ACIntToSet) // Disable four ACs interrupts.
{
//
// <Roger_Notes> Disable VO, VI, BE and BK four AC interrupts to gain more efficient CPU utilization.
// When extremely highly Rx OK occurs, we will disable Tx interrupts.
// 2010.03.05.
//
UpdateInterruptMask8192CE( Adapter, 0, RT_AC_INT_MASKS );
pHalData->bDisableTxInt = ACIntToSet;
}
else// Enable four ACs interrupts.
{
UpdateInterruptMask8192CE( Adapter, RT_AC_INT_MASKS, 0 );
pHalData->bDisableTxInt = ACIntToSet;
}
}*/
}
#endif
//
// Initialize GPIO setting registers
//
static void
dm_InitGPIOSetting(
IN PADAPTER Adapter
)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
u8 tmp1byte;
tmp1byte = rtw_read8(Adapter, REG_GPIO_MUXCFG);
tmp1byte &= (GPIOSEL_GPIO | ~GPIOSEL_ENBT);
#ifdef CONFIG_BT_COEXIST
// UMB-B cut bug. We need to support the modification.
if (IS_81xxC_VENDOR_UMC_B_CUT(pHalData->VersionID) &&
pHalData->bt_coexist.BT_Coexist)
{
tmp1byte |= (BIT5);
}
#endif
rtw_write8(Adapter, REG_GPIO_MUXCFG, tmp1byte);
}
//============================================================
// functions
//============================================================
static void Init_ODM_ComInfo_88E(PADAPTER Adapter)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PDM_ODM_T pDM_Odm = &(pHalData->odmpriv);
u8 cut_ver,fab_ver;
//
// Init Value
//
_rtw_memset(pDM_Odm,0,sizeof(pDM_Odm));
pDM_Odm->Adapter = Adapter;
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_PLATFORM,ODM_CE);
if(Adapter->interface_type == RTW_GSPI )
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_INTERFACE,ODM_ITRF_SDIO);
else
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_INTERFACE,Adapter->interface_type);//RTL871X_HCI_TYPE
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_IC_TYPE,ODM_RTL8188E);
fab_ver = ODM_TSMC;
cut_ver = ODM_CUT_A;
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_FAB_VER,fab_ver);
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_CUT_VER,cut_ver);
ODM_CmnInfoInit(pDM_Odm, ODM_CMNINFO_MP_TEST_CHIP,IS_NORMAL_CHIP(pHalData->VersionID));
#if 0
//#ifdef CONFIG_USB_HCI
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_BOARD_TYPE,pHalData->BoardType);
if(pHalData->BoardType == BOARD_USB_High_PA){
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_EXT_LNA,_TRUE);
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_EXT_PA,_TRUE);
}
#endif
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_PATCH_ID,pHalData->CustomerID);
// ODM_CMNINFO_BINHCT_TEST only for MP Team
ODM_CmnInfoInit(pDM_Odm,ODM_CMNINFO_BWIFI_TEST,Adapter->registrypriv.wifi_spec);
if(pHalData->rf_type == RF_1T1R){
ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_RF_TYPE,ODM_1T1R);
}
else if(pHalData->rf_type == RF_2T2R){
ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_RF_TYPE,ODM_2T2R);
}
else if(pHalData->rf_type == RF_1T2R){
ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_RF_TYPE,ODM_1T2R);
}
ODM_CmnInfoInit(pDM_Odm, ODM_CMNINFO_RF_ANTENNA_TYPE, pHalData->TRxAntDivType);
#ifdef CONFIG_DISABLE_ODM
pdmpriv->InitODMFlag = 0;
#else
pdmpriv->InitODMFlag = ODM_RF_CALIBRATION |
ODM_RF_TX_PWR_TRACK //|
;
//if(pHalData->AntDivCfg)
// pdmpriv->InitODMFlag |= ODM_BB_ANT_DIV;
#endif
ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_ABILITY,pdmpriv->InitODMFlag);
}
static void Update_ODM_ComInfo_88E(PADAPTER Adapter)
{
struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(Adapter);
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
PDM_ODM_T pDM_Odm = &(pHalData->odmpriv);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
int i;
pdmpriv->InitODMFlag = 0
| ODM_BB_DIG
#ifdef CONFIG_ODM_REFRESH_RAMASK
| ODM_BB_RA_MASK
#endif
| ODM_BB_DYNAMIC_TXPWR
| ODM_BB_FA_CNT
| ODM_BB_RSSI_MONITOR
| ODM_BB_CCK_PD
| ODM_BB_PWR_SAVE
| ODM_RF_CALIBRATION
| ODM_RF_TX_PWR_TRACK
#ifdef CONFIG_ODM_ADAPTIVITY
| ODM_BB_ADAPTIVITY
#endif
;
if (!Adapter->registrypriv.qos_opt_enable) {
pdmpriv->InitODMFlag |= ODM_MAC_EDCA_TURBO;
}
if(pHalData->AntDivCfg)
pdmpriv->InitODMFlag |= ODM_BB_ANT_DIV;
#if (MP_DRIVER==1)
if (Adapter->registrypriv.mp_mode == 1) {
pdmpriv->InitODMFlag = 0
| ODM_RF_CALIBRATION
| ODM_RF_TX_PWR_TRACK
;
}
#endif//(MP_DRIVER==1)
#ifdef CONFIG_DISABLE_ODM
pdmpriv->InitODMFlag = 0;
#endif//CONFIG_DISABLE_ODM
ODM_CmnInfoUpdate(pDM_Odm,ODM_CMNINFO_ABILITY,pdmpriv->InitODMFlag);
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_TX_UNI,&(Adapter->xmitpriv.tx_bytes));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_RX_UNI,&(Adapter->recvpriv.rx_bytes));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_WM_MODE,&(pmlmeext->cur_wireless_mode));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_SEC_CHNL_OFFSET,&(pHalData->nCur40MhzPrimeSC));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_SEC_MODE,&(Adapter->securitypriv.dot11PrivacyAlgrthm));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BW,&(pHalData->CurrentChannelBW ));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_CHNL,&( pHalData->CurrentChannel));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_NET_CLOSED,&( Adapter->net_closed));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_MP_MODE,&(Adapter->registrypriv.mp_mode));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BAND,&(pDM_Odm->u1Byte_temp));
//================= only for 8192D =================
/*
//pHalData->CurrentBandType92D
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BAND,&(pDM_Odm->u1Byte_temp));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_DMSP_GET_VALUE,&(pDM_Odm->u1Byte_temp));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BUDDY_ADAPTOR,&(pDM_Odm->PADAPTER_temp));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_DMSP_IS_MASTER,&(pDM_Odm->u1Byte_temp));
//================= only for 8192D =================
// driver havn't those variable now
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BT_OPERATION,&(pDM_Odm->u1Byte_temp));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_BT_DISABLE_EDCA,&(pDM_Odm->u1Byte_temp));
*/
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_SCAN,&(pmlmepriv->bScanInProcess));
ODM_CmnInfoHook(pDM_Odm,ODM_CMNINFO_POWER_SAVING,&(pwrctrlpriv->bpower_saving));
ODM_CmnInfoInit(pDM_Odm, ODM_CMNINFO_RF_ANTENNA_TYPE, pHalData->TRxAntDivType);
for(i=0; i< NUM_STA; i++)
{
//pDM_Odm->pODM_StaInfo[i] = NULL;
ODM_CmnInfoPtrArrayHook(pDM_Odm, ODM_CMNINFO_STA_STATUS,i,NULL);
}
}
void
rtl8188e_InitHalDm(
IN PADAPTER Adapter
)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PDM_ODM_T pDM_Odm = &(pHalData->odmpriv);
u8 i;
#ifdef CONFIG_USB_HCI
dm_InitGPIOSetting(Adapter);
#endif
pdmpriv->DM_Type = DM_Type_ByDriver;
pdmpriv->DMFlag = DYNAMIC_FUNC_DISABLE;
Update_ODM_ComInfo_88E(Adapter);
ODM_DMInit(pDM_Odm);
Adapter->fix_rate = 0xFF;
}
VOID
rtl8188e_HalDmWatchDog(
IN PADAPTER Adapter
)
{
BOOLEAN bFwCurrentInPSMode = _FALSE;
BOOLEAN bFwPSAwake = _TRUE;
u8 hw_init_completed = _FALSE;
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PDM_ODM_T pDM_Odm = &(pHalData->odmpriv);
#ifdef CONFIG_CONCURRENT_MODE
PADAPTER pbuddy_adapter = Adapter->pbuddy_adapter;
#endif //CONFIG_CONCURRENT_MODE
_func_enter_;
hw_init_completed = Adapter->hw_init_completed;
if (hw_init_completed == _FALSE)
goto skip_dm;
#ifdef CONFIG_LPS
bFwCurrentInPSMode = adapter_to_pwrctl(Adapter)->bFwCurrentInPSMode;
rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&bFwPSAwake));
#endif
#ifdef CONFIG_P2P_PS
// Fw is under p2p powersaving mode, driver should stop dynamic mechanism.
// modifed by thomas. 2011.06.11.
if(Adapter->wdinfo.p2p_ps_mode)
bFwPSAwake = _FALSE;
#endif //CONFIG_P2P_PS
if( (hw_init_completed == _TRUE)
&& ((!bFwCurrentInPSMode) && bFwPSAwake))
{
//
// Calculate Tx/Rx statistics.
//
dm_CheckStatistics(Adapter);
//
// Dynamically switch RTS/CTS protection.
//
//dm_CheckProtection(Adapter);
#ifdef CONFIG_PCI_HCI
// 20100630 Joseph: Disable Interrupt Migration mechanism temporarily because it degrades Rx throughput.
// Tx Migration settings.
//dm_InterruptMigration(Adapter);
//if(Adapter->HalFunc.TxCheckStuckHandler(Adapter))
// PlatformScheduleWorkItem(&(GET_HAL_DATA(Adapter)->HalResetWorkItem));
#endif
}
//ODM
if (hw_init_completed == _TRUE)
{
u8 bLinked=_FALSE;
u8 bsta_state = _FALSE;
#ifdef CONFIG_DISABLE_ODM
pHalData->odmpriv.SupportAbility = 0;
#endif
if(rtw_linked_check(Adapter))
bLinked = _TRUE;
#ifdef CONFIG_CONCURRENT_MODE
if(pbuddy_adapter && rtw_linked_check(pbuddy_adapter))
bLinked = _TRUE;
#endif //CONFIG_CONCURRENT_MODE
ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_LINK, bLinked);
if (check_fwstate(&Adapter->mlmepriv, WIFI_STATION_STATE))
bsta_state = _TRUE;
#ifdef CONFIG_CONCURRENT_MODE
if(pbuddy_adapter && check_fwstate(&pbuddy_adapter->mlmepriv, WIFI_STATION_STATE))
bsta_state = _TRUE;
#endif //CONFIG_CONCURRENT_MODE
ODM_CmnInfoUpdate(&pHalData->odmpriv ,ODM_CMNINFO_STATION_STATE, bsta_state);
ODM_DMWatchdog(&pHalData->odmpriv);
}
skip_dm:
// Check GPIO to determine current RF on/off and Pbc status.
// Check Hardware Radio ON/OFF or not
#ifdef CONFIG_PCI_HCI
if(pHalData->bGpioHwWpsPbc)
#endif
{
//temp removed
//dm_CheckPbcGPIO(Adapter);
}
return;
}
void rtl8188e_init_dm_priv(IN PADAPTER Adapter)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PDM_ODM_T podmpriv = &pHalData->odmpriv;
_rtw_memset(pdmpriv, 0, sizeof(struct dm_priv));
//_rtw_spinlock_init(&(pHalData->odm_stainfo_lock));
Init_ODM_ComInfo_88E(Adapter);
#ifdef CONFIG_SW_ANTENNA_DIVERSITY
//_init_timer(&(pdmpriv->SwAntennaSwitchTimer), Adapter->pnetdev , odm_SW_AntennaSwitchCallback, Adapter);
ODM_InitAllTimers(podmpriv );
#endif
ODM_InitDebugSetting(podmpriv);
}
void rtl8188e_deinit_dm_priv(IN PADAPTER Adapter)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
PDM_ODM_T podmpriv = &pHalData->odmpriv;
//_rtw_spinlock_free(&pHalData->odm_stainfo_lock);
#ifdef CONFIG_SW_ANTENNA_DIVERSITY
//_cancel_timer_ex(&pdmpriv->SwAntennaSwitchTimer);
ODM_CancelAllTimers(podmpriv);
#endif
}
#ifdef CONFIG_ANTENNA_DIVERSITY
// Add new function to reset the state of antenna diversity before link.
//
// Compare RSSI for deciding antenna
void AntDivCompare8188E(PADAPTER Adapter, WLAN_BSSID_EX *dst, WLAN_BSSID_EX *src)
{
//PADAPTER Adapter = pDM_Odm->Adapter ;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
if(0 != pHalData->AntDivCfg )
{
//DBG_8192C("update_network=> orgRSSI(%d)(%d),newRSSI(%d)(%d)\n",dst->Rssi,query_rx_pwr_percentage(dst->Rssi),
// src->Rssi,query_rx_pwr_percentage(src->Rssi));
//select optimum_antenna for before linked =>For antenna diversity
if(dst->Rssi >= src->Rssi )//keep org parameter
{
src->Rssi = dst->Rssi;
src->PhyInfo.Optimum_antenna = dst->PhyInfo.Optimum_antenna;
}
}
}
// Add new function to reset the state of antenna diversity before link.
u8 AntDivBeforeLink8188E(PADAPTER Adapter )
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
PDM_ODM_T pDM_Odm =&pHalData->odmpriv;
SWAT_T *pDM_SWAT_Table = &pDM_Odm->DM_SWAT_Table;
struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
// Condition that does not need to use antenna diversity.
if(pHalData->AntDivCfg==0)
{
//DBG_8192C("odm_AntDivBeforeLink8192C(): No AntDiv Mechanism.\n");
return _FALSE;
}
if(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
{
return _FALSE;
}
if(pDM_SWAT_Table->SWAS_NoLink_State == 0){
//switch channel
pDM_SWAT_Table->SWAS_NoLink_State = 1;
pDM_SWAT_Table->CurAntenna = (pDM_SWAT_Table->CurAntenna==Antenna_A)?Antenna_B:Antenna_A;
//PHY_SetBBReg(Adapter, rFPGA0_XA_RFInterfaceOE, 0x300, pDM_SWAT_Table->CurAntenna);
rtw_antenna_select_cmd(Adapter, pDM_SWAT_Table->CurAntenna, _FALSE);
//DBG_8192C("%s change antenna to ANT_( %s ).....\n",__FUNCTION__, (pDM_SWAT_Table->CurAntenna==Antenna_A)?"A":"B");
return _TRUE;
}
else
{
pDM_SWAT_Table->SWAS_NoLink_State = 0;
return _FALSE;
}
}
#endif