//
// Description:
// Change RF power state.
//
// Assumption:
// This function must be executed in re-schdulable context,
// ie. PASSIVE_LEVEL.
//
// 050823, by rcnjko.
//
static bool
SetRFPowerState(
struct net_device* dev,
RT_RF_POWER_STATE eRFPowerState
)
{
struct r8192_priv *priv = ieee80211_priv(dev);
bool bResult = false;
RT_TRACE(COMP_RF,"---------> SetRFPowerState(): eRFPowerState(%d)\n", eRFPowerState);
#ifdef RTL8192E
if(eRFPowerState == priv->ieee80211->eRFPowerState && priv->bHwRfOffAction == 0)
#else
if(eRFPowerState == priv->ieee80211->eRFPowerState)
#endif
{
RT_TRACE(COMP_POWER, "<--------- SetRFPowerState(): discard the request for eRFPowerState(%d) is the same.\n", eRFPowerState);
return bResult;
}
bResult = SetRFPowerState8190(dev, eRFPowerState);
RT_TRACE(COMP_POWER, "<--------- SetRFPowerState(): bResult(%d)\n", bResult);
return bResult;
}
//
// Description:
// Chang RF Power State.
// Note that, only MgntActSet_RF_State() is allowed to set HW_VAR_RF_STATE.
//
// Assumption:
// PASSIVE LEVEL.
//
bool MgntActSet_RF_State(struct r8192_priv *priv, RT_RF_POWER_STATE StateToSet,
RT_RF_CHANGE_SOURCE ChangeSource)
{
bool bActionAllowed = false;
bool bConnectBySSID = false;
RT_RF_POWER_STATE rtState;
RT_TRACE(COMP_POWER, "===>MgntActSet_RF_State(): StateToSet(%d)\n",StateToSet);
spin_lock(&priv->rf_ps_lock);
rtState = priv->eRFPowerState;
switch(StateToSet)
{
case eRfOn:
priv->RfOffReason &= (~ChangeSource);
if (!priv->RfOffReason)
{
priv->RfOffReason = 0;
bActionAllowed = true;
if(rtState == eRfOff && ChangeSource >=RF_CHANGE_BY_HW )
{
bConnectBySSID = true;
}
}
else
RT_TRACE(COMP_POWER, "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n", priv->RfOffReason, ChangeSource);
break;
case eRfOff:
if (priv->RfOffReason > RF_CHANGE_BY_IPS)
{
// Disconnect to current BSS when radio off. Asked by QuanTa.
MgntDisconnect(priv, disas_lv_ss);
}
priv->RfOffReason |= ChangeSource;
bActionAllowed = true;
break;
case eRfSleep:
priv->RfOffReason |= ChangeSource;
bActionAllowed = true;
break;
}
if (bActionAllowed)
{
RT_TRACE(COMP_POWER, "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, priv->RfOffReason);
// Config HW to the specified mode.
SetRFPowerState8190(priv, StateToSet);
}
else
{
RT_TRACE(COMP_POWER, "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, priv->RfOffReason);
}
// Release RF spinlock
spin_unlock(&priv->rf_ps_lock);
RT_TRACE(COMP_POWER, "<===MgntActSet_RF_State()\n");
return bActionAllowed;
}
