void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
u8 sleep_intv;
if (!rtlpriv->psc.sw_ps_enabled)
return;
if ((rtlpriv->sec.being_setkey) ||
(mac->opmode == NL80211_IFTYPE_ADHOC))
return;
/*sleep after linked 10s, to let DHCP and 4-way handshake ok enough!! */
if ((mac->link_state != MAC80211_LINKED) || (mac->cnt_after_linked < 5))
return;
if (rtlpriv->link_info.busytraffic)
return;
mutex_lock(&rtlpriv->locks.ps_mutex);
rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
mutex_unlock(&rtlpriv->locks.ps_mutex);
if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->enable_aspm(hw);
RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
/* here is power save alg, when this beacon is DTIM
* we will set sleep time to dtim_period * n;
* when this beacon is not DTIM, we will set sleep
* time to sleep_intv = rtlpriv->psc.dtim_counter or
* MAX_SW_LPS_SLEEP_INTV(default set to 5) */
if (rtlpriv->psc.dtim_counter == 0) {
if (hw->conf.ps_dtim_period == 1)
sleep_intv = hw->conf.ps_dtim_period * 2;
else
sleep_intv = hw->conf.ps_dtim_period;
} else {
sleep_intv = rtlpriv->psc.dtim_counter;
}
if (sleep_intv > MAX_SW_LPS_SLEEP_INTV)
sleep_intv = MAX_SW_LPS_SLEEP_INTV;
/* this print should always be dtim_conter = 0 &
* sleep = dtim_period, that meaons, we should
* awake before every dtim */
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"dtim_counter:%x will sleep :%d beacon_intv\n",
rtlpriv->psc.dtim_counter, sleep_intv);
/* we tested that 40ms is enough for sw & hw sw delay */
queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq,
MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40));
}
static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
ppsc->swrf_processing = true;
if (ppsc->inactive_pwrstate == ERFON &&
rtlhal->interface == INTF_PCI) {
if ((ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) &&
RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) &&
rtlhal->interface == INTF_PCI) {
rtlpriv->intf_ops->disable_aspm(hw);
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
}
rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate, RF_CHANGE_BY_IPS);
if (ppsc->inactive_pwrstate == ERFOFF &&
rtlhal->interface == INTF_PCI) {
if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->enable_aspm(hw);
RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
}
ppsc->swrf_processing = false;
}
void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
u8 sleep_intv;
if (!rtlpriv->psc.sw_ps_enabled)
return;
if ((rtlpriv->sec.being_setkey) ||
(mac->opmode == NL80211_IFTYPE_ADHOC))
return;
if ((mac->link_state != MAC80211_LINKED) || (mac->cnt_after_linked < 5))
return;
if (rtlpriv->link_info.busytraffic)
return;
mutex_lock(&rtlpriv->locks.ps_mutex);
rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
mutex_unlock(&rtlpriv->locks.ps_mutex);
if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->enable_aspm(hw);
RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
if (rtlpriv->psc.dtim_counter == 0) {
if (hw->conf.ps_dtim_period == 1)
sleep_intv = hw->conf.ps_dtim_period * 2;
else
sleep_intv = hw->conf.ps_dtim_period;
} else {
sleep_intv = rtlpriv->psc.dtim_counter;
}
if (sleep_intv > MAX_SW_LPS_SLEEP_INTV)
sleep_intv = MAX_SW_LPS_SLEEP_INTV;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"dtim_counter:%x will sleep :%d beacon_intv\n",
rtlpriv->psc.dtim_counter, sleep_intv);
queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq,
MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40));
}
void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
if (!rtlpriv->psc.swctrl_lps)
return;
if (mac->link_state != MAC80211_LINKED)
return;
if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->disable_aspm(hw);
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
mutex_lock(&rtlpriv->locks.ps_mutex);
rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
mutex_unlock(&rtlpriv->locks.ps_mutex);
}
void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
unsigned long flag;
if (!rtlpriv->psc.swctrl_lps)
return;
if (mac->link_state != MAC80211_LINKED)
return;
if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM &&
RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
rtlpriv->intf_ops->disable_aspm(hw);
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
}