--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 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
+ *
+ *
+ ******************************************************************************/
+#define _RTW_PWRCTRL_C_
+
+#include <drv_types.h>
+#include <hal_data.h>
+#include <hal_com_h2c.h>
+
+int rtw_fw_ps_state(PADAPTER padapter)
+{
+ struct dvobj_priv *psdpriv = padapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+ int ret=_FAIL, dont_care=0;
+ u16 fw_ps_state=0;
+ u32 start_time;
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ struct registry_priv *registry_par = &padapter->registrypriv;
+
+ if(registry_par->check_fw_ps != 1)
+ return _SUCCESS;
+
+ _enter_pwrlock(&pwrpriv->check_32k_lock);
+
+ if (RTW_CANNOT_RUN(padapter)) {
+ DBG_871X("%s: bSurpriseRemoved=%s , hw_init_completed=%d, bDriverStopped=%s\n", __func__
+ , rtw_is_surprise_removed(padapter)?"True":"False"
+ , rtw_get_hw_init_completed(padapter)
+ , rtw_is_drv_stopped(padapter)?"True":"False");
+ goto exit_fw_ps_state;
+ }
+ rtw_hal_set_hwreg(padapter, HW_VAR_SET_REQ_FW_PS, (u8 *)&dont_care);
+ {
+ //4. if 0x88[7]=1, driver set cmd to leave LPS/IPS.
+ //Else, hw will keep in active mode.
+ //debug info:
+ //0x88[7] = 32kpermission,
+ //0x88[6:0] = current_ps_state
+ //0x89[7:0] = last_rpwm
+
+ rtw_hal_get_hwreg(padapter, HW_VAR_FW_PS_STATE, (u8 *)&fw_ps_state);
+
+ if((fw_ps_state & 0x80) == 0)
+ ret=_SUCCESS;
+ else
+ {
+ pdbgpriv->dbg_poll_fail_cnt++;
+ DBG_871X("%s: fw_ps_state=%04x \n", __FUNCTION__, fw_ps_state);
+ }
+ }
+
+
+exit_fw_ps_state:
+ _exit_pwrlock(&pwrpriv->check_32k_lock);
+ return ret;
+}
+
+#ifdef CONFIG_IPS
+void _ips_enter(_adapter * padapter)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+
+ pwrpriv->bips_processing = _TRUE;
+
+ // syn ips_mode with request
+ pwrpriv->ips_mode = pwrpriv->ips_mode_req;
+
+ pwrpriv->ips_enter_cnts++;
+ DBG_871X("==>ips_enter cnts:%d\n",pwrpriv->ips_enter_cnts);
+
+ if(rf_off == pwrpriv->change_rfpwrstate )
+ {
+ pwrpriv->bpower_saving = _TRUE;
+ DBG_871X_LEVEL(_drv_always_, "nolinked power save enter\n");
+
+ if(pwrpriv->ips_mode == IPS_LEVEL_2)
+ pwrpriv->bkeepfwalive = _TRUE;
+
+ rtw_ips_pwr_down(padapter);
+ pwrpriv->rf_pwrstate = rf_off;
+ }
+ pwrpriv->bips_processing = _FALSE;
+
+}
+
+void ips_enter(_adapter * padapter)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+
+
+#ifdef CONFIG_BT_COEXIST
+ rtw_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req);
+#endif // CONFIG_BT_COEXIST
+
+ _enter_pwrlock(&pwrpriv->lock);
+ _ips_enter(padapter);
+ _exit_pwrlock(&pwrpriv->lock);
+}
+
+int _ips_leave(_adapter * padapter)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ int result = _SUCCESS;
+
+ if((pwrpriv->rf_pwrstate == rf_off) &&(!pwrpriv->bips_processing))
+ {
+ pwrpriv->bips_processing = _TRUE;
+ pwrpriv->change_rfpwrstate = rf_on;
+ pwrpriv->ips_leave_cnts++;
+ DBG_871X("==>ips_leave cnts:%d\n",pwrpriv->ips_leave_cnts);
+
+ if ((result = rtw_ips_pwr_up(padapter)) == _SUCCESS) {
+ pwrpriv->rf_pwrstate = rf_on;
+ }
+ DBG_871X_LEVEL(_drv_always_, "nolinked power save leave\n");
+
+ DBG_871X("==> ips_leave.....LED(0x%08x)...\n",rtw_read32(padapter,0x4c));
+ pwrpriv->bips_processing = _FALSE;
+
+ pwrpriv->bkeepfwalive = _FALSE;
+ pwrpriv->bpower_saving = _FALSE;
+ }
+
+ return result;
+}
+
+int ips_leave(_adapter * padapter)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ struct dvobj_priv *psdpriv = padapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+ int ret;
+
+ if(!is_primary_adapter(padapter))
+ return _SUCCESS;
+
+ _enter_pwrlock(&pwrpriv->lock);
+ ret = _ips_leave(padapter);
+#ifdef DBG_CHECK_FW_PS_STATE
+ if(rtw_fw_ps_state(padapter) == _FAIL)
+ {
+ DBG_871X("ips leave doesn't leave 32k\n");
+ pdbgpriv->dbg_leave_ips_fail_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (_SUCCESS == ret)
+ ODM_DMReset(&GET_HAL_DATA(padapter)->odmpriv);
+
+#ifdef CONFIG_BT_COEXIST
+ if (_SUCCESS == ret)
+ rtw_btcoex_IpsNotify(padapter, IPS_NONE);
+#endif // CONFIG_BT_COEXIST
+
+ return ret;
+}
+#endif /* CONFIG_IPS */
+
+#ifdef CONFIG_AUTOSUSPEND
+extern void autosuspend_enter(_adapter* padapter);
+extern int autoresume_enter(_adapter* padapter);
+#endif
+
+#ifdef SUPPORT_HW_RFOFF_DETECTED
+int rtw_hw_suspend(_adapter *padapter );
+int rtw_hw_resume(_adapter *padapter);
+#endif
+
+bool rtw_pwr_unassociated_idle(_adapter *adapter)
+{
+ _adapter *buddy = adapter->pbuddy_adapter;
+ struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
+ struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
+#ifdef CONFIG_P2P
+ struct wifidirect_info *pwdinfo = &(adapter->wdinfo);
+#ifdef CONFIG_IOCTL_CFG80211
+ struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &adapter->cfg80211_wdinfo;
+#endif
+#endif
+
+ bool ret = _FALSE;
+
+ if (adapter_to_pwrctl(adapter)->bpower_saving ==_TRUE ) {
+ //DBG_871X("%s: already in LPS or IPS mode\n", __func__);
+ goto exit;
+ }
+
+ if (adapter_to_pwrctl(adapter)->ips_deny_time >= rtw_get_current_time()) {
+ //DBG_871X("%s ips_deny_time\n", __func__);
+ goto exit;
+ }
+
+ if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
+ || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
+ || check_fwstate(pmlmepriv, WIFI_AP_STATE)
+ || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
+ #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
+ || pcfg80211_wdinfo->is_ro_ch
+ #elif defined(CONFIG_P2P)
+ || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)
+ #endif
+ #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
+ || rtw_get_passing_time_ms(pcfg80211_wdinfo->last_ro_ch_time) < 3000
+ #endif
+ ) {
+ goto exit;
+ }
+
+ /* consider buddy, if exist */
+ if (buddy) {
+ struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
+ #ifdef CONFIG_P2P
+ struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
+ #ifdef CONFIG_IOCTL_CFG80211
+ struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
+ #endif
+ #endif
+
+ if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
+ || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
+ || check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
+ || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
+ #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
+ || b_pcfg80211_wdinfo->is_ro_ch
+ #elif defined(CONFIG_P2P)
+ || !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)
+ #endif
+ #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
+ || rtw_get_passing_time_ms(b_pcfg80211_wdinfo->last_ro_ch_time) < 3000
+ #endif
+ ) {
+ goto exit;
+ }
+ }
+
+#if (MP_DRIVER == 1)
+#endif
+
+#ifdef CONFIG_INTEL_PROXIM
+ if(adapter->proximity.proxim_on==_TRUE){
+ return;
+ }
+#endif
+
+ if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
+ pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
+ DBG_871X_LEVEL(_drv_always_, "There are some pkts to transmit\n");
+ DBG_871X_LEVEL(_drv_always_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
+ pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
+ goto exit;
+ }
+
+ ret = _TRUE;
+
+exit:
+ return ret;
+}
+
+
+/*
+ * ATTENTION:
+ * rtw_ps_processor() doesn't handle LPS.
+ */
+void rtw_ps_processor(_adapter*padapter)
+{
+#ifdef CONFIG_P2P
+ struct wifidirect_info *pwdinfo = &( padapter->wdinfo );
+#endif //CONFIG_P2P
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
+ struct dvobj_priv *psdpriv = padapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+#ifdef SUPPORT_HW_RFOFF_DETECTED
+ rt_rf_power_state rfpwrstate;
+#endif //SUPPORT_HW_RFOFF_DETECTED
+ u32 ps_deny = 0;
+
+ _enter_pwrlock(&adapter_to_pwrctl(padapter)->lock);
+ ps_deny = rtw_ps_deny_get(padapter);
+ _exit_pwrlock(&adapter_to_pwrctl(padapter)->lock);
+ if (ps_deny != 0)
+ {
+ DBG_871X(FUNC_ADPT_FMT ": ps_deny=0x%08X, skip power save!\n",
+ FUNC_ADPT_ARG(padapter), ps_deny);
+ goto exit;
+ }
+
+ if(pwrpriv->bInSuspend == _TRUE){//system suspend or autosuspend
+ pdbgpriv->dbg_ps_insuspend_cnt++;
+ DBG_871X("%s, pwrpriv->bInSuspend == _TRUE ignore this process\n",__FUNCTION__);
+ return;
+ }
+
+ pwrpriv->ps_processing = _TRUE;
+
+#ifdef SUPPORT_HW_RFOFF_DETECTED
+ if(pwrpriv->bips_processing == _TRUE)
+ goto exit;
+
+ //DBG_871X("==> fw report state(0x%x)\n",rtw_read8(padapter,0x1ca));
+ if(pwrpriv->bHWPwrPindetect)
+ {
+ #ifdef CONFIG_AUTOSUSPEND
+ if(padapter->registrypriv.usbss_enable)
+ {
+ if(pwrpriv->rf_pwrstate == rf_on)
+ {
+ if(padapter->net_closed == _TRUE)
+ pwrpriv->ps_flag = _TRUE;
+
+ rfpwrstate = RfOnOffDetect(padapter);
+ DBG_871X("@@@@- #1 %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
+ if(rfpwrstate!= pwrpriv->rf_pwrstate)
+ {
+ if(rfpwrstate == rf_off)
+ {
+ pwrpriv->change_rfpwrstate = rf_off;
+
+ pwrpriv->bkeepfwalive = _TRUE;
+ pwrpriv->brfoffbyhw = _TRUE;
+
+ autosuspend_enter(padapter);
+ }
+ }
+ }
+ }
+ else
+ #endif //CONFIG_AUTOSUSPEND
+ {
+ rfpwrstate = RfOnOffDetect(padapter);
+ DBG_871X("@@@@- #2 %s==> rfstate:%s \n",__FUNCTION__,(rfpwrstate==rf_on)?"rf_on":"rf_off");
+
+ if(rfpwrstate!= pwrpriv->rf_pwrstate)
+ {
+ if(rfpwrstate == rf_off)
+ {
+ pwrpriv->change_rfpwrstate = rf_off;
+ pwrpriv->brfoffbyhw = _TRUE;
+ rtw_hw_suspend(padapter );
+ }
+ else
+ {
+ pwrpriv->change_rfpwrstate = rf_on;
+ rtw_hw_resume(padapter );
+ }
+ DBG_871X("current rf_pwrstate(%s)\n",(pwrpriv->rf_pwrstate == rf_off)?"rf_off":"rf_on");
+ }
+ }
+ pwrpriv->pwr_state_check_cnts ++;
+ }
+#endif //SUPPORT_HW_RFOFF_DETECTED
+
+ if (pwrpriv->ips_mode_req == IPS_NONE)
+ goto exit;
+
+ if (rtw_pwr_unassociated_idle(padapter) == _FALSE)
+ goto exit;
+
+ if((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4)==0))
+ {
+ DBG_871X("==>%s .fw_state(%x)\n",__FUNCTION__,get_fwstate(pmlmepriv));
+ #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ #else
+ pwrpriv->change_rfpwrstate = rf_off;
+ #endif
+ #ifdef CONFIG_AUTOSUSPEND
+ if(padapter->registrypriv.usbss_enable)
+ {
+ if(pwrpriv->bHWPwrPindetect)
+ pwrpriv->bkeepfwalive = _TRUE;
+
+ if(padapter->net_closed == _TRUE)
+ pwrpriv->ps_flag = _TRUE;
+
+ #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ if (_TRUE==pwrpriv->bInternalAutoSuspend) {
+ DBG_871X("<==%s .pwrpriv->bInternalAutoSuspend)(%x)\n",__FUNCTION__,pwrpriv->bInternalAutoSuspend);
+ } else {
+ pwrpriv->change_rfpwrstate = rf_off;
+ DBG_871X("<==%s .pwrpriv->bInternalAutoSuspend)(%x) call autosuspend_enter\n",__FUNCTION__,pwrpriv->bInternalAutoSuspend);
+ autosuspend_enter(padapter);
+ }
+ #else
+ autosuspend_enter(padapter);
+ #endif //if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ }
+ else if(pwrpriv->bHWPwrPindetect)
+ {
+ }
+ else
+ #endif //CONFIG_AUTOSUSPEND
+ {
+ #if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ pwrpriv->change_rfpwrstate = rf_off;
+ #endif //defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+
+ #ifdef CONFIG_IPS
+ ips_enter(padapter);
+ #endif
+ }
+ }
+exit:
+#ifndef CONFIG_IPS_CHECK_IN_WD
+ rtw_set_pwr_state_check_timer(pwrpriv);
+#endif
+ pwrpriv->ps_processing = _FALSE;
+ return;
+}
+
+void pwr_state_check_handler(RTW_TIMER_HDL_ARGS);
+void pwr_state_check_handler(RTW_TIMER_HDL_ARGS)
+{
+ _adapter *padapter = (_adapter *)FunctionContext;
+ rtw_ps_cmd(padapter);
+}
+
+#ifdef CONFIG_LPS
+void traffic_check_for_leave_lps(PADAPTER padapter, u8 tx, u32 tx_packets)
+{
+#ifdef CONFIG_CHECK_LEAVE_LPS
+ static u32 start_time = 0;
+ static u32 xmit_cnt = 0;
+ u8 bLeaveLPS = _FALSE;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+
+
+ if(tx) //from tx
+ {
+ xmit_cnt += tx_packets;
+
+ if (start_time== 0)
+ start_time= rtw_get_current_time();
+
+ if (rtw_get_passing_time_ms(start_time) > 2000) // 2 sec == watch dog timer
+ {
+ if(xmit_cnt > 8)
+ {
+ if ((adapter_to_pwrctl(padapter)->bLeisurePs)
+ && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
+#ifdef CONFIG_BT_COEXIST
+ && (rtw_btcoex_IsBtControlLps(padapter) == _FALSE)
+#endif
+ )
+ {
+ //DBG_871X("leave lps via Tx = %d\n", xmit_cnt);
+ bLeaveLPS = _TRUE;
+ }
+ }
+
+ start_time= rtw_get_current_time();
+ xmit_cnt = 0;
+ }
+
+ }
+ else // from rx path
+ {
+ if(pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 4/*2*/)
+ {
+ if ((adapter_to_pwrctl(padapter)->bLeisurePs)
+ && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
+#ifdef CONFIG_BT_COEXIST
+ && (rtw_btcoex_IsBtControlLps(padapter) == _FALSE)
+#endif
+ )
+ {
+ //DBG_871X("leave lps via Rx = %d\n", pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod);
+ bLeaveLPS = _TRUE;
+ }
+ }
+ }
+
+ if(bLeaveLPS)
+ {
+ //DBG_871X("leave lps via %s, Tx = %d, Rx = %d \n", tx?"Tx":"Rx", pmlmepriv->LinkDetectInfo.NumTxOkInPeriod,pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod);
+ //rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1);
+ rtw_lps_ctrl_wk_cmd(padapter, tx?LPS_CTRL_TX_TRAFFIC_LEAVE:LPS_CTRL_RX_TRAFFIC_LEAVE, tx?0:1);
+ }
+#endif //CONFIG_CHECK_LEAVE_LPS
+}
+
+/*
+ * Description:
+ * This function MUST be called under power lock protect
+ *
+ * Parameters
+ * padapter
+ * pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
+ *
+ */
+void rtw_set_rpwm(PADAPTER padapter, u8 pslv)
+{
+ u8 rpwm;
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ u8 cpwm_orig;
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+ struct dvobj_priv *psdpriv = padapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+_func_enter_;
+
+ pslv = PS_STATE(pslv);
+
+#ifdef CONFIG_LPS_RPWM_TIMER
+ if (pwrpriv->brpwmtimeout == _TRUE)
+ {
+ DBG_871X("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __FUNCTION__, pslv);
+ }
+ else
+#endif // CONFIG_LPS_RPWM_TIMER
+ {
+ if ( (pwrpriv->rpwm == pslv)
+#ifdef CONFIG_LPS_LCLK
+ || ((pwrpriv->rpwm >= PS_STATE_S2)&&(pslv >= PS_STATE_S2))
+#endif
+ )
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,
+ ("%s: Already set rpwm[0x%02X], new=0x%02X!\n", __FUNCTION__, pwrpriv->rpwm, pslv));
+ return;
+ }
+ }
+
+ if (rtw_is_surprise_removed(padapter) ||
+ (!rtw_is_hw_init_completed(padapter)))
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
+ ("%s: SurpriseRemoved(%s) hw_init_completed(%s)\n"
+ , __func__
+ , rtw_is_surprise_removed(padapter)?"True":"False"
+ , rtw_is_hw_init_completed(padapter)?"True":"False"));
+
+ pwrpriv->cpwm = PS_STATE_S4;
+
+ return;
+ }
+
+ if (rtw_is_drv_stopped(padapter)) {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
+ ("%s: change power state(0x%02X) when DriverStopped\n", __FUNCTION__, pslv));
+
+ if (pslv < PS_STATE_S2) {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
+ ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __FUNCTION__, pslv));
+ return;
+ }
+ }
+
+ rpwm = pslv | pwrpriv->tog;
+#ifdef CONFIG_LPS_LCLK
+ // only when from PS_STATE S0/S1 to S2 and higher needs ACK
+ if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2))
+ rpwm |= PS_ACK;
+#endif
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm));
+
+ pwrpriv->rpwm = pslv;
+
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ cpwm_orig = 0;
+ if (rpwm & PS_ACK)
+ {
+ rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
+ }
+#endif
+
+#if defined(CONFIG_LPS_RPWM_TIMER) && !defined(CONFIG_DETECT_CPWM_BY_POLLING)
+ if (rpwm & PS_ACK)
+ _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS);
+#endif // CONFIG_LPS_RPWM_TIMER & !CONFIG_DETECT_CPWM_BY_POLLING
+ rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
+
+ pwrpriv->tog += 0x80;
+
+#ifdef CONFIG_LPS_LCLK
+ // No LPS 32K, No Ack
+ if (rpwm & PS_ACK)
+ {
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ u32 start_time;
+ u8 cpwm_now;
+ u8 poll_cnt=0;
+
+ start_time = rtw_get_current_time();
+
+ // polling cpwm
+ do {
+ rtw_msleep_os(1);
+ poll_cnt++;
+ cpwm_now = 0;
+ rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
+ if ((cpwm_orig ^ cpwm_now) & 0x80)
+ {
+ pwrpriv->cpwm = PS_STATE_S4;
+ pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE;
+#ifdef DBG_CHECK_FW_PS_STATE
+ DBG_871X("%s: polling cpwm OK! poll_cnt=%d, cpwm_orig=%02x, cpwm_now=%02x , 0x100=0x%x\n"
+ , __FUNCTION__,poll_cnt, cpwm_orig, cpwm_now, rtw_read8(padapter, REG_CR));
+ if(rtw_fw_ps_state(padapter) == _FAIL)
+ {
+ DBG_871X("leave 32k but fw state in 32k\n");
+ pdbgpriv->dbg_rpwm_toogle_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+ break;
+ }
+
+ if (rtw_get_passing_time_ms(start_time) > LPS_RPWM_WAIT_MS)
+ {
+ DBG_871X("%s: polling cpwm timeout! poll_cnt=%d, cpwm_orig=%02x, cpwm_now=%02x \n", __FUNCTION__,poll_cnt, cpwm_orig, cpwm_now);
+#ifdef DBG_CHECK_FW_PS_STATE
+ if(rtw_fw_ps_state(padapter) == _FAIL)
+ {
+ DBG_871X("rpwm timeout and fw ps state in 32k\n");
+ pdbgpriv->dbg_rpwm_timeout_fail_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+#ifdef CONFIG_LPS_RPWM_TIMER
+ _set_timer(&pwrpriv->pwr_rpwm_timer, 1);
+#endif // CONFIG_LPS_RPWM_TIMER
+ break;
+ }
+ } while (1);
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+ }
+ else
+#endif // CONFIG_LPS_LCLK
+ {
+ pwrpriv->cpwm = pslv;
+ }
+
+_func_exit_;
+}
+
+u8 PS_RDY_CHECK(_adapter * padapter)
+{
+ u32 curr_time, delta_time;
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
+#ifdef CONFIG_P2P
+ struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
+#ifdef CONFIG_IOCTL_CFG80211
+ struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &padapter->cfg80211_wdinfo;
+#endif /* CONFIG_IOCTL_CFG80211 */
+#endif /* CONFIG_P2P */
+
+ if(_TRUE == pwrpriv->bInSuspend )
+ return _FALSE;
+
+ curr_time = rtw_get_current_time();
+
+ delta_time = curr_time -pwrpriv->DelayLPSLastTimeStamp;
+
+ if(delta_time < LPS_DELAY_TIME)
+ {
+ return _FALSE;
+ }
+
+ if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)
+ || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
+ || check_fwstate(pmlmepriv, WIFI_AP_STATE)
+ || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
+ #if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
+ || pcfg80211_wdinfo->is_ro_ch
+ #elif defined(CONFIG_P2P)
+ || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)
+ #endif
+ || rtw_is_scan_deny(padapter)
+#ifdef CONFIG_TDLS
+ // TDLS link is established.
+ || ( padapter->tdlsinfo.link_established == _TRUE )
+#endif // CONFIG_TDLS
+ )
+ return _FALSE;
+
+ if( (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == _FALSE) )
+ {
+ DBG_871X("Group handshake still in progress !!!\n");
+ return _FALSE;
+ }
+
+#ifdef CONFIG_IOCTL_CFG80211
+ if (!rtw_cfg80211_pwr_mgmt(padapter))
+ return _FALSE;
+#endif
+
+ return _TRUE;
+}
+
+#if defined(CONFIG_FWLPS_IN_IPS)
+void rtw_set_fw_in_ips_mode(PADAPTER padapter, u8 enable)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ int cnt=0;
+ u32 start_time;
+ u8 val8 = 0;
+ u8 cpwm_orig = 0, cpwm_now = 0;
+ u8 parm[H2C_INACTIVE_PS_LEN]={0};
+
+ if (padapter->netif_up == _FALSE) {
+ DBG_871X("%s: ERROR, netif is down\n", __func__);
+ return;
+ }
+
+ //u8 cmd_param; //BIT0:enable, BIT1:NoConnect32k
+ if (enable) {
+#ifdef CONFIG_BT_COEXIST
+ rtw_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req);
+#endif
+ //Enter IPS
+ DBG_871X("%s: issue H2C to FW when entering IPS\n", __func__);
+
+ parm[0] = 0x03;
+ parm[1] = 0x0;
+ parm[2] = 0x0;
+
+ rtw_hal_fill_h2c_cmd(padapter, //H2C_FWLPS_IN_IPS_,
+ H2C_INACTIVE_PS_,
+ H2C_INACTIVE_PS_LEN, parm);
+ //poll 0x1cc to make sure H2C command already finished by FW; MAC_0x1cc=0 means H2C done by FW.
+ do{
+ val8 = rtw_read8(padapter, REG_HMETFR);
+ cnt++;
+ DBG_871X("%s polling REG_HMETFR=0x%x, cnt=%d \n",
+ __func__, val8, cnt);
+ rtw_mdelay_os(10);
+ }while(cnt<100 && (val8!=0));
+
+ //H2C done, enter 32k
+ if (val8 == 0) {
+ //ser rpwm to enter 32k
+ val8 = rtw_read8(padapter, SDIO_LOCAL_BASE|SDIO_REG_HRPWM1);
+ DBG_871X("%s: read rpwm=%02x\n", __FUNCTION__, val8);
+ val8 += 0x80;
+ val8 |= BIT(0);
+ rtw_write8(padapter, SDIO_LOCAL_BASE|SDIO_REG_HRPWM1, val8);
+ DBG_871X("%s: write rpwm=%02x\n", __FUNCTION__, val8);
+ adapter_to_pwrctl(padapter)->tog = (val8 + 0x80) & 0x80;
+ cnt = val8 = 0;
+ if (parm[1] == 0 || parm[2] == 0) {
+ do {
+ val8 = rtw_read8(padapter, REG_CR);
+ cnt++;
+ DBG_871X("%s polling 0x100=0x%x, cnt=%d \n",
+ __func__, val8, cnt);
+ DBG_871X("%s 0x08:%02x, 0x03:%02x\n",
+ __func__,
+ rtw_read8(padapter, 0x08),
+ rtw_read8(padapter, 0x03));
+ rtw_mdelay_os(10);
+ } while(cnt<20 && (val8!=0xEA));
+ }
+ }
+ } else {
+ //Leave IPS
+ DBG_871X("%s: Leaving IPS in FWLPS state\n", __func__);
+
+ //for polling cpwm
+ cpwm_orig = 0;
+ rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
+
+ //ser rpwm
+ val8 = rtw_read8(padapter, SDIO_LOCAL_BASE|SDIO_REG_HRPWM1);
+ val8 &= 0x80;
+ val8 += 0x80;
+ val8 |= BIT(6);
+ rtw_write8(padapter, SDIO_LOCAL_BASE|SDIO_REG_HRPWM1, val8);
+ DBG_871X("%s: write rpwm=%02x\n", __FUNCTION__, val8);
+ adapter_to_pwrctl(padapter)->tog = (val8 + 0x80) & 0x80;
+
+ //do polling cpwm
+ start_time = rtw_get_current_time();
+ do {
+
+ rtw_mdelay_os(1);
+
+ rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
+ if ((cpwm_orig ^ cpwm_now) & 0x80) {
+ break;
+ }
+
+ if (rtw_get_passing_time_ms(start_time) > 100)
+ {
+ DBG_871X("%s: polling cpwm timeout when leaving IPS in FWLPS state\n", __FUNCTION__);
+ break;
+ }
+ } while (1);
+
+ parm[0] = 0x0;
+ parm[1] = 0x0;
+ parm[2] = 0x0;
+ rtw_hal_fill_h2c_cmd(padapter, H2C_INACTIVE_PS_,
+ H2C_INACTIVE_PS_LEN, parm);
+#ifdef CONFIG_BT_COEXIST
+ rtw_btcoex_IpsNotify(padapter, IPS_NONE);
+#endif
+ }
+}
+#endif
+
+void rtw_set_ps_mode(PADAPTER padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ struct dvobj_priv *psdpriv = padapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+#ifdef CONFIG_P2P
+ struct wifidirect_info *pwdinfo = &( padapter->wdinfo );
+#endif //CONFIG_P2P
+#ifdef CONFIG_TDLS
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ _irqL irqL;
+ int i, j;
+ _list *plist, *phead;
+ struct sta_info *ptdls_sta;
+#endif //CONFIG_TDLS
+
+_func_enter_;
+
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("%s: PowerMode=%d Smart_PS=%d\n",
+ __FUNCTION__, ps_mode, smart_ps));
+
+ if(ps_mode > PM_Card_Disable) {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_,("ps_mode:%d error\n", ps_mode));
+ return;
+ }
+
+ if (pwrpriv->pwr_mode == ps_mode)
+ {
+ if (PS_MODE_ACTIVE == ps_mode) return;
+
+#ifndef CONFIG_BT_COEXIST
+ if ((pwrpriv->smart_ps == smart_ps) &&
+ (pwrpriv->bcn_ant_mode == bcn_ant_mode))
+ {
+ return;
+ }
+#endif // !CONFIG_BT_COEXIST
+ }
+
+#ifdef CONFIG_LPS_LCLK
+ _enter_pwrlock(&pwrpriv->lock);
+#endif
+
+ //if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
+ if(ps_mode == PS_MODE_ACTIVE)
+ {
+ if (1
+#ifdef CONFIG_BT_COEXIST
+ && (((rtw_btcoex_IsBtControlLps(padapter) == _FALSE)
+#ifdef CONFIG_P2P_PS
+ && (pwdinfo->opp_ps == 0)
+#endif // CONFIG_P2P_PS
+ )
+ || ((rtw_btcoex_IsBtControlLps(padapter) == _TRUE)
+ && (rtw_btcoex_IsLpsOn(padapter) == _FALSE))
+ )
+#else // !CONFIG_BT_COEXIST
+#ifdef CONFIG_P2P_PS
+ && (pwdinfo->opp_ps == 0)
+#endif // CONFIG_P2P_PS
+#endif // !CONFIG_BT_COEXIST
+ )
+ {
+ DBG_871X(FUNC_ADPT_FMT" Leave 802.11 power save - %s\n",
+ FUNC_ADPT_ARG(padapter), msg);
+
+ if (pwrpriv->lps_leave_cnts < UINT_MAX)
+ pwrpriv->lps_leave_cnts++;
+ else
+ pwrpriv->lps_leave_cnts = 0;
+#ifdef CONFIG_TDLS
+ for(i=0; i< NUM_STA; i++)
+ {
+ phead = &(pstapriv->sta_hash[i]);
+ plist = get_next(phead);
+
+ while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
+ {
+ ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
+
+ if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
+ issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta->hwaddr, 0, 0, 0);
+ plist = get_next(plist);
+ }
+ }
+#endif //CONFIG_TDLS
+
+ pwrpriv->pwr_mode = ps_mode;
+ rtw_set_rpwm(padapter, PS_STATE_S4);
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
+ pwrpriv->bFwCurrentInPSMode = _FALSE;
+
+#ifdef CONFIG_BT_COEXIST
+ rtw_btcoex_LpsNotify(padapter, ps_mode);
+#endif // CONFIG_BT_COEXIST
+ }
+ }
+ else
+ {
+ if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE))
+#ifdef CONFIG_BT_COEXIST
+ || ((rtw_btcoex_IsBtControlLps(padapter) == _TRUE)
+ && (rtw_btcoex_IsLpsOn(padapter) == _TRUE))
+#endif
+#ifdef CONFIG_P2P_WOWLAN
+ ||( _TRUE == pwrpriv->wowlan_p2p_mode)
+#endif //CONFIG_P2P_WOWLAN
+ )
+ {
+ u8 pslv;
+
+ DBG_871X(FUNC_ADPT_FMT" Enter 802.11 power save - %s\n",
+ FUNC_ADPT_ARG(padapter), msg);
+
+ if (pwrpriv->lps_enter_cnts < UINT_MAX)
+ pwrpriv->lps_enter_cnts++;
+ else
+ pwrpriv->lps_enter_cnts = 0;
+#ifdef CONFIG_TDLS
+ for(i=0; i< NUM_STA; i++)
+ {
+ phead = &(pstapriv->sta_hash[i]);
+ plist = get_next(phead);
+
+ while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
+ {
+ ptdls_sta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
+
+ if( ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE )
+ issue_nulldata_to_TDLS_peer_STA(padapter, ptdls_sta->hwaddr, 1, 0, 0);
+ plist = get_next(plist);
+ }
+ }
+#endif //CONFIG_TDLS
+
+#ifdef CONFIG_BT_COEXIST
+ rtw_btcoex_LpsNotify(padapter, ps_mode);
+#endif // CONFIG_BT_COEXIST
+
+ pwrpriv->bFwCurrentInPSMode = _TRUE;
+ pwrpriv->pwr_mode = ps_mode;
+ pwrpriv->smart_ps = smart_ps;
+ pwrpriv->bcn_ant_mode = bcn_ant_mode;
+ rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
+
+#ifdef CONFIG_P2P_PS
+ // Set CTWindow after LPS
+ if(pwdinfo->opp_ps == 1)
+ p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
+#endif //CONFIG_P2P_PS
+
+ pslv = PS_STATE_S2;
+#ifdef CONFIG_LPS_LCLK
+ if (pwrpriv->alives == 0)
+ pslv = PS_STATE_S0;
+#endif // CONFIG_LPS_LCLK
+
+#ifdef CONFIG_BT_COEXIST
+ if ((rtw_btcoex_IsBtDisabled(padapter) == _FALSE)
+ && (rtw_btcoex_IsBtControlLps(padapter) == _TRUE))
+ {
+ u8 val8;
+
+ val8 = rtw_btcoex_LpsVal(padapter);
+ if (val8 & BIT(4))
+ pslv = PS_STATE_S2;
+
+ }
+#endif // CONFIG_BT_COEXIST
+
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+#ifdef CONFIG_LPS_LCLK
+ _exit_pwrlock(&pwrpriv->lock);
+#endif
+
+_func_exit_;
+}
+
+/*
+ * Return:
+ * 0: Leave OK
+ * -1: Timeout
+ * -2: Other error
+ */
+s32 LPS_RF_ON_check(PADAPTER padapter, u32 delay_ms)
+{
+ u32 start_time;
+ u8 bAwake = _FALSE;
+ s32 err = 0;
+
+
+ start_time = rtw_get_current_time();
+ while (1)
+ {
+ rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
+ if (_TRUE == bAwake)
+ break;
+
+ if (rtw_is_surprise_removed(padapter)) {
+ err = -2;
+ DBG_871X("%s: device surprise removed!!\n", __FUNCTION__);
+ break;
+ }
+
+ if (rtw_get_passing_time_ms(start_time) > delay_ms)
+ {
+ err = -1;
+ DBG_871X("%s: Wait for FW LPS leave more than %u ms!!!\n", __FUNCTION__, delay_ms);
+ break;
+ }
+ rtw_usleep_os(100);
+ }
+
+ return err;
+}
+
+//
+// Description:
+// Enter the leisure power save mode.
+//
+void LPS_Enter(PADAPTER padapter, const char *msg)
+{
+ struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
+ struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
+ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
+ _adapter *buddy = padapter->pbuddy_adapter;
+ int n_assoc_iface = 0;
+ int i;
+ char buf[32] = {0};
+
+_func_enter_;
+
+// DBG_871X("+LeisurePSEnter\n");
+
+#ifdef CONFIG_BT_COEXIST
+ if (rtw_btcoex_IsBtControlLps(padapter) == _TRUE)
+ return;
+#endif
+
+ /* Skip lps enter request if number of assocated adapters is not 1 */
+ for (i = 0; i < dvobj->iface_nums; i++) {
+ if (check_fwstate(&(dvobj->padapters[i]->mlmepriv), WIFI_ASOC_STATE))
+ n_assoc_iface++;
+ }
+ if (n_assoc_iface != 1)
+ return;
+
+ /* Skip lps enter request for adapter not port0 */
+ if (get_iface_type(padapter) != IFACE_PORT0)
+ return;
+
+ for (i = 0; i < dvobj->iface_nums; i++) {
+ if (PS_RDY_CHECK(dvobj->padapters[i]) == _FALSE)
+ return;
+ }
+
+#ifdef CONFIG_P2P_PS
+ if(padapter->wdinfo.p2p_ps_mode == P2P_PS_NOA)
+ {
+ return;//supporting p2p client ps NOA via H2C_8723B_P2P_PS_OFFLOAD
+ }
+#endif //CONFIG_P2P_PS
+
+ if (pwrpriv->bLeisurePs)
+ {
+ // Idle for a while if we connect to AP a while ago.
+ if (pwrpriv->LpsIdleCount >= 2) // 4 Sec
+ {
+ if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
+ {
+ sprintf(buf, "WIFI-%s", msg);
+ pwrpriv->bpower_saving = _TRUE;
+ rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, padapter->registrypriv.smart_ps, 0, buf);
+ }
+ }
+ else
+ pwrpriv->LpsIdleCount++;
+ }
+
+// DBG_871X("-LeisurePSEnter\n");
+
+_func_exit_;
+}
+
+//
+// Description:
+// Leave the leisure power save mode.
+//
+void LPS_Leave(PADAPTER padapter, const char *msg)
+{
+#define LPS_LEAVE_TIMEOUT_MS 100
+
+ struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
+ struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
+ u32 start_time;
+ u8 bAwake = _FALSE;
+ char buf[32] = {0};
+ struct debug_priv *pdbgpriv = &dvobj->drv_dbg;
+
+_func_enter_;
+
+// DBG_871X("+LeisurePSLeave\n");
+
+#ifdef CONFIG_BT_COEXIST
+ if (rtw_btcoex_IsBtControlLps(padapter) == _TRUE)
+ return;
+#endif
+
+ if (pwrpriv->bLeisurePs)
+ {
+ if(pwrpriv->pwr_mode != PS_MODE_ACTIVE)
+ {
+ sprintf(buf, "WIFI-%s", msg);
+ rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, buf);
+
+ if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
+ LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
+ }
+ }
+
+ pwrpriv->bpower_saving = _FALSE;
+#ifdef DBG_CHECK_FW_PS_STATE
+ if(rtw_fw_ps_state(padapter) == _FAIL)
+ {
+ DBG_871X("leave lps, fw in 32k\n");
+ pdbgpriv->dbg_leave_lps_fail_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+// DBG_871X("-LeisurePSLeave\n");
+
+_func_exit_;
+}
+#endif
+
+void LeaveAllPowerSaveModeDirect(PADAPTER Adapter)
+{
+ PADAPTER pri_padapter = GET_PRIMARY_ADAPTER(Adapter);
+ struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter);
+ struct dvobj_priv *psdpriv = Adapter->dvobj;
+ struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+#ifndef CONFIG_DETECT_CPWM_BY_POLLING
+ u8 cpwm_orig, cpwm_now;
+ u32 start_time;
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+
+_func_enter_;
+
+ DBG_871X("%s.....\n",__FUNCTION__);
+
+ if (rtw_is_surprise_removed(Adapter)) {
+ DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved=_TRUE Skip!\n", FUNC_ADPT_ARG(Adapter));
+ return;
+ }
+
+ if ((check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
+#ifdef CONFIG_CONCURRENT_MODE
+ || (check_buddy_fwstate(Adapter,_FW_LINKED) == _TRUE)
+#endif
+ )
+ { //connect
+
+ if(pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
+ DBG_871X("%s: Driver Already Leave LPS\n",__FUNCTION__);
+ return;
+ }
+
+#ifdef CONFIG_LPS_LCLK
+ _enter_pwrlock(&pwrpriv->lock);
+
+#ifndef CONFIG_DETECT_CPWM_BY_POLLING
+ cpwm_orig = 0;
+ rtw_hal_get_hwreg(Adapter, HW_VAR_CPWM, &cpwm_orig);
+#endif //CONFIG_DETECT_CPWM_BY_POLLING
+ rtw_set_rpwm(Adapter, PS_STATE_S4);
+
+#ifndef CONFIG_DETECT_CPWM_BY_POLLING
+
+ start_time = rtw_get_current_time();
+
+ // polling cpwm
+ do {
+ rtw_mdelay_os(1);
+
+ rtw_hal_get_hwreg(Adapter, HW_VAR_CPWM, &cpwm_now);
+ if ((cpwm_orig ^ cpwm_now) & 0x80)
+ {
+ pwrpriv->cpwm = PS_STATE_S4;
+ pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE;
+#ifdef DBG_CHECK_FW_PS_STATE
+ DBG_871X("%s: polling cpwm OK! cpwm_orig=%02x, cpwm_now=%02x, 0x100=0x%x \n"
+ , __FUNCTION__, cpwm_orig, cpwm_now, rtw_read8(Adapter, REG_CR));
+ if(rtw_fw_ps_state(Adapter) == _FAIL)
+ {
+ DBG_871X("%s: leave 32k but fw state in 32k\n", __FUNCTION__);
+ pdbgpriv->dbg_rpwm_toogle_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+ break;
+ }
+
+ if (rtw_get_passing_time_ms(start_time) > LPS_RPWM_WAIT_MS)
+ {
+ DBG_871X("%s: polling cpwm timeout! cpwm_orig=%02x, cpwm_now=%02x \n", __FUNCTION__, cpwm_orig, cpwm_now);
+#ifdef DBG_CHECK_FW_PS_STATE
+ if(rtw_fw_ps_state(Adapter) == _FAIL)
+ {
+ DBG_871X("rpwm timeout and fw ps state in 32k\n");
+ pdbgpriv->dbg_rpwm_timeout_fail_cnt++;
+ }
+#endif //DBG_CHECK_FW_PS_STATE
+ break;
+ }
+ } while (1);
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+
+ _exit_pwrlock(&pwrpriv->lock);
+#endif
+
+#ifdef CONFIG_P2P_PS
+ p2p_ps_wk_cmd(pri_padapter, P2P_PS_DISABLE, 0);
+#endif //CONFIG_P2P_PS
+
+#ifdef CONFIG_LPS
+ rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0);
+#endif
+ }
+ else
+ {
+ if(pwrpriv->rf_pwrstate== rf_off)
+ {
+ #ifdef CONFIG_AUTOSUSPEND
+ if(Adapter->registrypriv.usbss_enable)
+ {
+ #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
+ usb_disable_autosuspend(adapter_to_dvobj(Adapter)->pusbdev);
+ #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22) && LINUX_VERSION_CODE<=KERNEL_VERSION(2,6,34))
+ adapter_to_dvobj(Adapter)->pusbdev->autosuspend_disabled = Adapter->bDisableAutosuspend;//autosuspend disabled by the user
+ #endif
+ }
+ else
+ #endif
+ {
+#if defined(CONFIG_FWLPS_IN_IPS) || defined(CONFIG_SWLPS_IN_IPS)
+ #ifdef CONFIG_IPS
+ if(_FALSE == ips_leave(pri_padapter))
+ {
+ DBG_871X("======> ips_leave fail.............\n");
+ }
+ #endif
+#endif //CONFIG_SWLPS_IN_IPS || (CONFIG_PLATFORM_SPRD)
+ }
+ }
+ }
+
+_func_exit_;
+}
+
+//
+// Description: Leave all power save mode: LPS, FwLPS, IPS if needed.
+// Move code to function by tynli. 2010.03.26.
+//
+void LeaveAllPowerSaveMode(IN PADAPTER Adapter)
+{
+ struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter);
+ struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
+ u8 enqueue = 0;
+ int n_assoc_iface = 0;
+ int i;
+
+_func_enter_;
+
+ //DBG_871X("%s.....\n",__FUNCTION__);
+
+ if (_FALSE == Adapter->bup)
+ {
+ DBG_871X(FUNC_ADPT_FMT ": bup=%d Skip!\n",
+ FUNC_ADPT_ARG(Adapter), Adapter->bup);
+ return;
+ }
+
+ if (rtw_is_surprise_removed(Adapter)) {
+ DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved=_TRUE Skip!\n", FUNC_ADPT_ARG(Adapter));
+ return;
+ }
+
+ for (i = 0; i < dvobj->iface_nums; i++) {
+ if (check_fwstate(&(dvobj->padapters[i]->mlmepriv), WIFI_ASOC_STATE))
+ n_assoc_iface++;
+ }
+
+ if (n_assoc_iface)
+ { //connect
+#ifdef CONFIG_LPS_LCLK
+ enqueue = 1;
+#endif
+
+#ifdef CONFIG_P2P_PS
+ p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue);
+#endif //CONFIG_P2P_PS
+
+#ifdef CONFIG_LPS
+ rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
+#endif
+
+#ifdef CONFIG_LPS_LCLK
+ LPS_Leave_check(Adapter);
+#endif
+ }
+ else
+ {
+ if(adapter_to_pwrctl(Adapter)->rf_pwrstate== rf_off)
+ {
+ #ifdef CONFIG_AUTOSUSPEND
+ if(Adapter->registrypriv.usbss_enable)
+ {
+ #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
+ usb_disable_autosuspend(adapter_to_dvobj(Adapter)->pusbdev);
+ #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22) && LINUX_VERSION_CODE<=KERNEL_VERSION(2,6,34))
+ adapter_to_dvobj(Adapter)->pusbdev->autosuspend_disabled = Adapter->bDisableAutosuspend;//autosuspend disabled by the user
+ #endif
+ }
+ else
+ #endif
+ {
+#if defined(CONFIG_FWLPS_IN_IPS) || defined(CONFIG_SWLPS_IN_IPS)
+ #ifdef CONFIG_IPS
+ if(_FALSE == ips_leave(Adapter))
+ {
+ DBG_871X("======> ips_leave fail.............\n");
+ }
+ #endif
+#endif //CONFIG_SWLPS_IN_IPS
+ }
+ }
+ }
+
+_func_exit_;
+}
+
+#ifdef CONFIG_LPS_LCLK
+void LPS_Leave_check(
+ PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrpriv;
+ u32 start_time;
+ u8 bReady;
+
+_func_enter_;
+
+ pwrpriv = adapter_to_pwrctl(padapter);
+
+ bReady = _FALSE;
+ start_time = rtw_get_current_time();
+
+ rtw_yield_os();
+
+ while(1)
+ {
+ _enter_pwrlock(&pwrpriv->lock);
+
+ if (rtw_is_surprise_removed(padapter)
+ || (!rtw_is_hw_init_completed(padapter))
+#ifdef CONFIG_USB_HCI
+ || rtw_is_drv_stopped(padapter)
+#endif
+ || (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
+ )
+ {
+ bReady = _TRUE;
+ }
+
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if(_TRUE == bReady)
+ break;
+
+ if(rtw_get_passing_time_ms(start_time)>100)
+ {
+ DBG_871X("Wait for cpwm event than 100 ms!!!\n");
+ break;
+ }
+ rtw_msleep_os(1);
+ }
+
+_func_exit_;
+}
+
+/*
+ * Caller:ISR handler...
+ *
+ * This will be called when CPWM interrupt is up.
+ *
+ * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
+ */
+void cpwm_int_hdl(
+ PADAPTER padapter,
+ struct reportpwrstate_parm *preportpwrstate)
+{
+ struct pwrctrl_priv *pwrpriv;
+
+_func_enter_;
+
+ pwrpriv = adapter_to_pwrctl(padapter);
+#if 0
+ if (pwrpriv->cpwm_tog == (preportpwrstate->state & PS_TOGGLE)) {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
+ ("cpwm_int_hdl: tog(old)=0x%02x cpwm(new)=0x%02x toggle bit didn't change!?\n",
+ pwrpriv->cpwm_tog, preportpwrstate->state));
+ goto exit;
+ }
+#endif
+
+ _enter_pwrlock(&pwrpriv->lock);
+
+#ifdef CONFIG_LPS_RPWM_TIMER
+ if (pwrpriv->rpwm < PS_STATE_S2)
+ {
+ DBG_871X("%s: Redundant CPWM Int. RPWM=0x%02X CPWM=0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
+ _exit_pwrlock(&pwrpriv->lock);
+ goto exit;
+ }
+#endif // CONFIG_LPS_RPWM_TIMER
+
+ pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
+ pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
+
+ if (pwrpriv->cpwm >= PS_STATE_S2)
+ {
+ if (pwrpriv->alives & CMD_ALIVE)
+ _rtw_up_sema(&padapter->cmdpriv.cmd_queue_sema);
+
+ if (pwrpriv->alives & XMIT_ALIVE)
+ _rtw_up_sema(&padapter->xmitpriv.xmit_sema);
+ }
+
+ _exit_pwrlock(&pwrpriv->lock);
+
+exit:
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("cpwm_int_hdl: cpwm=0x%02x\n", pwrpriv->cpwm));
+
+_func_exit_;
+}
+
+static void cpwm_event_callback(struct work_struct *work)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event);
+ struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
+ _adapter *adapter = dvobj->padapters[IFACE_ID0];
+ struct reportpwrstate_parm report;
+
+ //DBG_871X("%s\n",__FUNCTION__);
+
+ report.state = PS_STATE_S2;
+ cpwm_int_hdl(adapter, &report);
+}
+
+#ifdef CONFIG_LPS_RPWM_TIMER
+static void rpwmtimeout_workitem_callback(struct work_struct *work)
+{
+ PADAPTER padapter;
+ struct dvobj_priv *dvobj;
+ struct pwrctrl_priv *pwrpriv;
+
+
+ pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
+ dvobj = pwrctl_to_dvobj(pwrpriv);
+ padapter = dvobj->padapters[IFACE_ID0];
+// DBG_871X("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
+
+ _enter_pwrlock(&pwrpriv->lock);
+ if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
+ {
+ DBG_871X("%s: rpwm=0x%02X cpwm=0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
+ goto exit;
+ }
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (rtw_read8(padapter, 0x100) != 0xEA)
+ {
+#if 1
+ struct reportpwrstate_parm report;
+
+ report.state = PS_STATE_S2;
+ DBG_871X("\n%s: FW already leave 32K!\n\n", __func__);
+ cpwm_int_hdl(padapter, &report);
+#else
+ DBG_871X("\n%s: FW already leave 32K!\n\n", __func__);
+ cpwm_event_callback(&pwrpriv->cpwm_event);
+#endif
+ return;
+ }
+
+ _enter_pwrlock(&pwrpriv->lock);
+
+ if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
+ {
+ DBG_871X("%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
+ goto exit;
+ }
+ pwrpriv->brpwmtimeout = _TRUE;
+ rtw_set_rpwm(padapter, pwrpriv->rpwm);
+ pwrpriv->brpwmtimeout = _FALSE;
+
+exit:
+ _exit_pwrlock(&pwrpriv->lock);
+}
+
+/*
+ * This function is a timer handler, can't do any IO in it.
+ */
+static void pwr_rpwm_timeout_handler(void *FunctionContext)
+{
+ PADAPTER padapter;
+ struct pwrctrl_priv *pwrpriv;
+
+
+ padapter = (PADAPTER)FunctionContext;
+ pwrpriv = adapter_to_pwrctl(padapter);
+ DBG_871X("+%s: rpwm=0x%02X cpwm=0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
+
+ if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
+ {
+ DBG_871X("+%s: cpwm=%d, nothing to do!\n", __func__, pwrpriv->cpwm);
+ return;
+ }
+
+ _set_workitem(&pwrpriv->rpwmtimeoutwi);
+}
+#endif // CONFIG_LPS_RPWM_TIMER
+
+__inline static void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
+{
+ pwrctrl->alives |= tag;
+}
+
+__inline static void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
+{
+ pwrctrl->alives &= ~tag;
+}
+
+
+/*
+ * Description:
+ * Check if the fw_pwrstate is okay for I/O.
+ * If not (cpwm is less than S2), then the sub-routine
+ * will raise the cpwm to be greater than or equal to S2.
+ *
+ * Calling Context: Passive
+ *
+ * Constraint:
+ * 1. this function will request pwrctrl->lock
+ *
+ * Return Value:
+ * _SUCCESS hardware is ready for I/O
+ * _FAIL can't I/O right now
+ */
+s32 rtw_register_task_alive(PADAPTER padapter, u32 task)
+{
+ s32 res;
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ res = _SUCCESS;
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S2;
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ register_task_alive(pwrctrl, task);
+
+ if (pwrctrl->bFwCurrentInPSMode == _TRUE)
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("%s: task=0x%x cpwm=0x%02x alives=0x%08x\n",
+ __FUNCTION__, task, pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm < pslv)
+ {
+ if (pwrctrl->cpwm < PS_STATE_S2)
+ res = _FAIL;
+ if (pwrctrl->rpwm < pslv)
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ if (_FAIL == res)
+ {
+ if (pwrctrl->cpwm >= PS_STATE_S2)
+ res = _SUCCESS;
+ }
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+
+_func_exit_;
+
+ return res;
+}
+
+/*
+ * Description:
+ * If task is done, call this func. to power down firmware again.
+ *
+ * Constraint:
+ * 1. this function will request pwrctrl->lock
+ *
+ * Return Value:
+ * none
+ */
+void rtw_unregister_task_alive(PADAPTER padapter, u32 task)
+{
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S0;
+
+#ifdef CONFIG_BT_COEXIST
+ if ((rtw_btcoex_IsBtDisabled(padapter) == _FALSE)
+ && (rtw_btcoex_IsBtControlLps(padapter) == _TRUE))
+ {
+ u8 val8;
+
+ val8 = rtw_btcoex_LpsVal(padapter);
+ if (val8 & BIT(4))
+ pslv = PS_STATE_S2;
+
+ }
+#endif // CONFIG_BT_COEXIST
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ unregister_task_alive(pwrctrl, task);
+
+ if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
+ && (pwrctrl->bFwCurrentInPSMode == _TRUE))
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("%s: cpwm=0x%02x alives=0x%08x\n",
+ __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm > pslv)
+ {
+ if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+}
+
+/*
+ * Caller: rtw_xmit_thread
+ *
+ * Check if the fw_pwrstate is okay for xmit.
+ * If not (cpwm is less than S3), then the sub-routine
+ * will raise the cpwm to be greater than or equal to S3.
+ *
+ * Calling Context: Passive
+ *
+ * Return Value:
+ * _SUCCESS rtw_xmit_thread can write fifo/txcmd afterwards.
+ * _FAIL rtw_xmit_thread can not do anything.
+ */
+s32 rtw_register_tx_alive(PADAPTER padapter)
+{
+ s32 res;
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ res = _SUCCESS;
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S2;
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ register_task_alive(pwrctrl, XMIT_ALIVE);
+
+ if (pwrctrl->bFwCurrentInPSMode == _TRUE)
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_register_tx_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm < pslv)
+ {
+ if (pwrctrl->cpwm < PS_STATE_S2)
+ res = _FAIL;
+ if (pwrctrl->rpwm < pslv)
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ if (_FAIL == res)
+ {
+ if (pwrctrl->cpwm >= PS_STATE_S2)
+ res = _SUCCESS;
+ }
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+
+_func_exit_;
+
+ return res;
+}
+
+/*
+ * Caller: rtw_cmd_thread
+ *
+ * Check if the fw_pwrstate is okay for issuing cmd.
+ * If not (cpwm should be is less than S2), then the sub-routine
+ * will raise the cpwm to be greater than or equal to S2.
+ *
+ * Calling Context: Passive
+ *
+ * Return Value:
+ * _SUCCESS rtw_cmd_thread can issue cmds to firmware afterwards.
+ * _FAIL rtw_cmd_thread can not do anything.
+ */
+s32 rtw_register_cmd_alive(PADAPTER padapter)
+{
+ s32 res;
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ res = _SUCCESS;
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S2;
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ register_task_alive(pwrctrl, CMD_ALIVE);
+
+ if (pwrctrl->bFwCurrentInPSMode == _TRUE)
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
+ ("rtw_register_cmd_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm < pslv)
+ {
+ if (pwrctrl->cpwm < PS_STATE_S2)
+ res = _FAIL;
+ if (pwrctrl->rpwm < pslv)
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+#ifdef CONFIG_DETECT_CPWM_BY_POLLING
+ if (_FAIL == res)
+ {
+ if (pwrctrl->cpwm >= PS_STATE_S2)
+ res = _SUCCESS;
+ }
+#endif // CONFIG_DETECT_CPWM_BY_POLLING
+
+_func_exit_;
+
+ return res;
+}
+
+/*
+ * Caller: rx_isr
+ *
+ * Calling Context: Dispatch/ISR
+ *
+ * Return Value:
+ * _SUCCESS
+ * _FAIL
+ */
+s32 rtw_register_rx_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ register_task_alive(pwrctrl, RECV_ALIVE);
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_register_rx_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+
+ return _SUCCESS;
+}
+
+/*
+ * Caller: evt_isr or evt_thread
+ *
+ * Calling Context: Dispatch/ISR or Passive
+ *
+ * Return Value:
+ * _SUCCESS
+ * _FAIL
+ */
+s32 rtw_register_evt_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ register_task_alive(pwrctrl, EVT_ALIVE);
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_register_evt_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+
+ return _SUCCESS;
+}
+
+/*
+ * Caller: ISR
+ *
+ * If ISR's txdone,
+ * No more pkts for TX,
+ * Then driver shall call this fun. to power down firmware again.
+ */
+void rtw_unregister_tx_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S0;
+
+#ifdef CONFIG_BT_COEXIST
+ if ((rtw_btcoex_IsBtDisabled(padapter) == _FALSE)
+ && (rtw_btcoex_IsBtControlLps(padapter) == _TRUE))
+ {
+ u8 val8;
+
+ val8 = rtw_btcoex_LpsVal(padapter);
+ if (val8 & BIT(4))
+ pslv = PS_STATE_S2;
+
+ }
+#endif // CONFIG_BT_COEXIST
+
+#ifdef CONFIG_P2P_PS
+ if(padapter->wdinfo.p2p_ps_mode > P2P_PS_NONE)
+ {
+ pslv = PS_STATE_S2;
+ }
+#ifdef CONFIG_CONCURRENT_MODE
+ else if(rtw_buddy_adapter_up(padapter))
+ {
+ if(padapter->pbuddy_adapter->wdinfo.p2p_ps_mode > P2P_PS_NONE)
+ pslv = PS_STATE_S2;
+ }
+#endif
+#endif
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ unregister_task_alive(pwrctrl, XMIT_ALIVE);
+
+ if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
+ && (pwrctrl->bFwCurrentInPSMode == _TRUE))
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("%s: cpwm=0x%02x alives=0x%08x\n",
+ __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm > pslv)
+ {
+ if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+}
+
+/*
+ * Caller: ISR
+ *
+ * If all commands have been done,
+ * and no more command to do,
+ * then driver shall call this fun. to power down firmware again.
+ */
+void rtw_unregister_cmd_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+ u8 pslv;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+ pslv = PS_STATE_S0;
+
+#ifdef CONFIG_BT_COEXIST
+ if ((rtw_btcoex_IsBtDisabled(padapter) == _FALSE)
+ && (rtw_btcoex_IsBtControlLps(padapter) == _TRUE))
+ {
+ u8 val8;
+
+ val8 = rtw_btcoex_LpsVal(padapter);
+ if (val8 & BIT(4))
+ pslv = PS_STATE_S2;
+
+ }
+#endif // CONFIG_BT_COEXIST
+
+#ifdef CONFIG_P2P_PS
+ if(padapter->wdinfo.p2p_ps_mode > P2P_PS_NONE)
+ {
+ pslv = PS_STATE_S2;
+ }
+#ifdef CONFIG_CONCURRENT_MODE
+ else if(rtw_buddy_adapter_up(padapter))
+ {
+ if(padapter->pbuddy_adapter->wdinfo.p2p_ps_mode > P2P_PS_NONE)
+ pslv = PS_STATE_S2;
+ }
+#endif
+#endif
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ unregister_task_alive(pwrctrl, CMD_ALIVE);
+
+ if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
+ && (pwrctrl->bFwCurrentInPSMode == _TRUE))
+ {
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
+ ("%s: cpwm=0x%02x alives=0x%08x\n",
+ __FUNCTION__, pwrctrl->cpwm, pwrctrl->alives));
+
+ if (pwrctrl->cpwm > pslv)
+ {
+ if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
+ rtw_set_rpwm(padapter, pslv);
+ }
+ }
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+}
+
+/*
+ * Caller: ISR
+ */
+void rtw_unregister_rx_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+
+ _enter_pwrlock(&pwrctrl->lock);
+
+ unregister_task_alive(pwrctrl, RECV_ALIVE);
+
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_unregister_rx_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+}
+
+void rtw_unregister_evt_alive(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrl;
+
+_func_enter_;
+
+ pwrctrl = adapter_to_pwrctl(padapter);
+
+ unregister_task_alive(pwrctrl, EVT_ALIVE);
+
+ RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
+ ("rtw_unregister_evt_alive: cpwm=0x%02x alives=0x%08x\n",
+ pwrctrl->cpwm, pwrctrl->alives));
+
+ _exit_pwrlock(&pwrctrl->lock);
+
+_func_exit_;
+}
+#endif /* CONFIG_LPS_LCLK */
+
+#ifdef CONFIG_RESUME_IN_WORKQUEUE
+static void resume_workitem_callback(struct work_struct *work);
+#endif //CONFIG_RESUME_IN_WORKQUEUE
+
+void rtw_init_pwrctrl_priv(PADAPTER padapter)
+{
+ struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
+ int i = 0;
+ u8 val8 = 0;
+
+#if defined(CONFIG_CONCURRENT_MODE)
+ if (padapter->adapter_type != PRIMARY_ADAPTER)
+ return;
+#endif
+
+_func_enter_;
+
+#ifdef PLATFORM_WINDOWS
+ pwrctrlpriv->pnp_current_pwr_state=NdisDeviceStateD0;
+#endif
+
+ _init_pwrlock(&pwrctrlpriv->lock);
+ _init_pwrlock(&pwrctrlpriv->check_32k_lock);
+ pwrctrlpriv->rf_pwrstate = rf_on;
+ pwrctrlpriv->ips_enter_cnts=0;
+ pwrctrlpriv->ips_leave_cnts=0;
+ pwrctrlpriv->lps_enter_cnts=0;
+ pwrctrlpriv->lps_leave_cnts=0;
+ pwrctrlpriv->bips_processing = _FALSE;
+
+ pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
+ pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
+
+ pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
+ pwrctrlpriv->pwr_state_check_cnts = 0;
+ pwrctrlpriv->bInternalAutoSuspend = _FALSE;
+ pwrctrlpriv->bInSuspend = _FALSE;
+ pwrctrlpriv->bkeepfwalive = _FALSE;
+
+#ifdef CONFIG_AUTOSUSPEND
+#ifdef SUPPORT_HW_RFOFF_DETECTED
+ pwrctrlpriv->pwr_state_check_interval = (pwrctrlpriv->bHWPwrPindetect) ?1000:2000;
+#endif
+#endif
+
+ pwrctrlpriv->LpsIdleCount = 0;
+ //pwrctrlpriv->FWCtrlPSMode =padapter->registrypriv.power_mgnt;// PS_MODE_MIN;
+ pwrctrlpriv->power_mgnt =padapter->registrypriv.power_mgnt;// PS_MODE_MIN;
+ pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
+
+ pwrctrlpriv->bFwCurrentInPSMode = _FALSE;
+
+ pwrctrlpriv->rpwm = 0;
+ pwrctrlpriv->cpwm = PS_STATE_S4;
+
+ pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
+ pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
+ pwrctrlpriv->bcn_ant_mode = 0;
+ pwrctrlpriv->dtim = 0;
+
+ pwrctrlpriv->tog = 0x80;
+
+#ifdef CONFIG_LPS_LCLK
+ rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
+
+ _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
+
+#ifdef CONFIG_LPS_RPWM_TIMER
+ pwrctrlpriv->brpwmtimeout = _FALSE;
+ _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
+ _init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter);
+#endif // CONFIG_LPS_RPWM_TIMER
+#endif // CONFIG_LPS_LCLK
+
+ rtw_init_timer(&pwrctrlpriv->pwr_state_check_timer, padapter, pwr_state_check_handler);
+
+ pwrctrlpriv->wowlan_mode = _FALSE;
+ pwrctrlpriv->wowlan_ap_mode = _FALSE;
+ pwrctrlpriv->wowlan_p2p_mode = _FALSE;
+
+ #ifdef CONFIG_RESUME_IN_WORKQUEUE
+ _init_workitem(&pwrctrlpriv->resume_work, resume_workitem_callback, NULL);
+ pwrctrlpriv->rtw_workqueue = create_singlethread_workqueue("rtw_workqueue");
+ #endif //CONFIG_RESUME_IN_WORKQUEUE
+
+ #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
+ pwrctrlpriv->early_suspend.suspend = NULL;
+ rtw_register_early_suspend(pwrctrlpriv);
+ #endif //CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER
+
+_func_exit_;
+
+}
+
+
+void rtw_free_pwrctrl_priv(PADAPTER adapter)
+{
+ struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(adapter);
+
+#if defined(CONFIG_CONCURRENT_MODE)
+ if (adapter->adapter_type != PRIMARY_ADAPTER)
+ return;
+#endif
+
+_func_enter_;
+
+ //_rtw_memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv));
+
+
+ #ifdef CONFIG_RESUME_IN_WORKQUEUE
+ if (pwrctrlpriv->rtw_workqueue) {
+ flush_workqueue(pwrctrlpriv->rtw_workqueue);
+ destroy_workqueue(pwrctrlpriv->rtw_workqueue);
+ }
+ #endif
+
+ #if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
+ rtw_unregister_early_suspend(pwrctrlpriv);
+ #endif //CONFIG_HAS_EARLYSUSPEND || CONFIG_ANDROID_POWER
+
+ _free_pwrlock(&pwrctrlpriv->lock);
+ _free_pwrlock(&pwrctrlpriv->check_32k_lock);
+
+_func_exit_;
+}
+
+#ifdef CONFIG_RESUME_IN_WORKQUEUE
+extern int rtw_resume_process(_adapter *padapter);
+
+static void resume_workitem_callback(struct work_struct *work)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, resume_work);
+ struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
+ _adapter *adapter = dvobj->padapters[IFACE_ID0];
+
+ DBG_871X("%s\n",__FUNCTION__);
+
+ rtw_resume_process(adapter);
+
+ rtw_resume_unlock_suspend();
+}
+
+void rtw_resume_in_workqueue(struct pwrctrl_priv *pwrpriv)
+{
+ // accquire system's suspend lock preventing from falliing asleep while resume in workqueue
+ //rtw_lock_suspend();
+
+ rtw_resume_lock_suspend();
+
+ #if 1
+ queue_work(pwrpriv->rtw_workqueue, &pwrpriv->resume_work);
+ #else
+ _set_workitem(&pwrpriv->resume_work);
+ #endif
+}
+#endif //CONFIG_RESUME_IN_WORKQUEUE
+
+#if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
+inline bool rtw_is_earlysuspend_registered(struct pwrctrl_priv *pwrpriv)
+{
+ return (pwrpriv->early_suspend.suspend) ? _TRUE : _FALSE;
+}
+
+inline bool rtw_is_do_late_resume(struct pwrctrl_priv *pwrpriv)
+{
+ return (pwrpriv->do_late_resume) ? _TRUE : _FALSE;
+}
+
+inline void rtw_set_do_late_resume(struct pwrctrl_priv *pwrpriv, bool enable)
+{
+ pwrpriv->do_late_resume = enable;
+}
+#endif
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+extern int rtw_resume_process(_adapter *padapter);
+static void rtw_early_suspend(struct early_suspend *h)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
+ DBG_871X("%s\n",__FUNCTION__);
+
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+}
+
+static void rtw_late_resume(struct early_suspend *h)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
+ struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
+ _adapter *adapter = dvobj->padapters[IFACE_ID0];
+
+ DBG_871X("%s\n",__FUNCTION__);
+
+ if(pwrpriv->do_late_resume) {
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+ rtw_resume_process(adapter);
+ }
+}
+
+void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
+{
+ DBG_871X("%s\n", __FUNCTION__);
+
+ //jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit
+ pwrpriv->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
+ pwrpriv->early_suspend.suspend = rtw_early_suspend;
+ pwrpriv->early_suspend.resume = rtw_late_resume;
+ register_early_suspend(&pwrpriv->early_suspend);
+
+
+}
+
+void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
+{
+ DBG_871X("%s\n", __FUNCTION__);
+
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+
+ if (pwrpriv->early_suspend.suspend)
+ unregister_early_suspend(&pwrpriv->early_suspend);
+
+ pwrpriv->early_suspend.suspend = NULL;
+ pwrpriv->early_suspend.resume = NULL;
+}
+#endif //CONFIG_HAS_EARLYSUSPEND
+
+#ifdef CONFIG_ANDROID_POWER
+#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
+extern int rtw_resume_process(PADAPTER padapter);
+#endif
+static void rtw_early_suspend(android_early_suspend_t *h)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
+ DBG_871X("%s\n",__FUNCTION__);
+
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+}
+
+static void rtw_late_resume(android_early_suspend_t *h)
+{
+ struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend);
+ struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
+ _adapter *adapter = dvobj->padapters[IFACE_ID0];
+
+ DBG_871X("%s\n",__FUNCTION__);
+ if(pwrpriv->do_late_resume) {
+ #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+ rtw_resume_process(adapter);
+ #endif
+ }
+}
+
+void rtw_register_early_suspend(struct pwrctrl_priv *pwrpriv)
+{
+ DBG_871X("%s\n", __FUNCTION__);
+
+ //jeff: set the early suspend level before blank screen, so we wll do late resume after scree is lit
+ pwrpriv->early_suspend.level = ANDROID_EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
+ pwrpriv->early_suspend.suspend = rtw_early_suspend;
+ pwrpriv->early_suspend.resume = rtw_late_resume;
+ android_register_early_suspend(&pwrpriv->early_suspend);
+}
+
+void rtw_unregister_early_suspend(struct pwrctrl_priv *pwrpriv)
+{
+ DBG_871X("%s\n", __FUNCTION__);
+
+ rtw_set_do_late_resume(pwrpriv, _FALSE);
+
+ if (pwrpriv->early_suspend.suspend)
+ android_unregister_early_suspend(&pwrpriv->early_suspend);
+
+ pwrpriv->early_suspend.suspend = NULL;
+ pwrpriv->early_suspend.resume = NULL;
+}
+#endif //CONFIG_ANDROID_POWER
+
+u8 rtw_interface_ps_func(_adapter *padapter,HAL_INTF_PS_FUNC efunc_id,u8* val)
+{
+ u8 bResult = _TRUE;
+ rtw_hal_intf_ps_func(padapter,efunc_id,val);
+
+ return bResult;
+}
+
+
+inline void rtw_set_ips_deny(_adapter *padapter, u32 ms)
+{
+ struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+ pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ms);
+}
+
+/*
+* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
+* @adapter: pointer to _adapter structure
+* @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
+* Return _SUCCESS or _FAIL
+*/
+
+int _rtw_pwr_wakeup(_adapter *padapter, u32 ips_deffer_ms, const char *caller)
+{
+ struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
+ struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
+ struct mlme_priv *pmlmepriv;
+ int ret = _SUCCESS;
+ int i;
+ u32 start = rtw_get_current_time();
+
+ /* for LPS */
+ LeaveAllPowerSaveMode(padapter);
+
+ /* IPS still bound with primary adapter */
+ padapter = GET_PRIMARY_ADAPTER(padapter);
+ pmlmepriv = &padapter->mlmepriv;
+
+ if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
+ pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
+
+
+ if (pwrpriv->ps_processing) {
+ DBG_871X("%s wait ps_processing...\n", __func__);
+ while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
+ rtw_msleep_os(10);
+ if (pwrpriv->ps_processing)
+ DBG_871X("%s wait ps_processing timeout\n", __func__);
+ else
+ DBG_871X("%s wait ps_processing done\n", __func__);
+ }
+
+#ifdef DBG_CONFIG_ERROR_DETECT
+ if (rtw_hal_sreset_inprogress(padapter)) {
+ DBG_871X("%s wait sreset_inprogress...\n", __func__);
+ while (rtw_hal_sreset_inprogress(padapter) && rtw_get_passing_time_ms(start) <= 4000)
+ rtw_msleep_os(10);
+ if (rtw_hal_sreset_inprogress(padapter))
+ DBG_871X("%s wait sreset_inprogress timeout\n", __func__);
+ else
+ DBG_871X("%s wait sreset_inprogress done\n", __func__);
+ }
+#endif
+
+ if (pwrpriv->bInternalAutoSuspend == _FALSE && pwrpriv->bInSuspend) {
+ DBG_871X("%s wait bInSuspend...\n", __func__);
+ while (pwrpriv->bInSuspend
+ && ((rtw_get_passing_time_ms(start) <= 3000 && !rtw_is_do_late_resume(pwrpriv))
+ || (rtw_get_passing_time_ms(start) <= 500 && rtw_is_do_late_resume(pwrpriv)))
+ ) {
+ rtw_msleep_os(10);
+ }
+ if (pwrpriv->bInSuspend)
+ DBG_871X("%s wait bInSuspend timeout\n", __func__);
+ else
+ DBG_871X("%s wait bInSuspend done\n", __func__);
+ }
+
+ //System suspend is not allowed to wakeup
+ if((pwrpriv->bInternalAutoSuspend == _FALSE) && (_TRUE == pwrpriv->bInSuspend )){
+ ret = _FAIL;
+ goto exit;
+ }
+
+ //block???
+ if((pwrpriv->bInternalAutoSuspend == _TRUE) && (padapter->net_closed == _TRUE)) {
+ ret = _FAIL;
+ goto exit;
+ }
+
+ //I think this should be check in IPS, LPS, autosuspend functions...
+ if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
+ {
+#if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ if(_TRUE==pwrpriv->bInternalAutoSuspend){
+ if(0==pwrpriv->autopm_cnt){
+ #if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,33))
+ if (usb_autopm_get_interface(adapter_to_dvobj(padapter)->pusbintf) < 0)
+ {
+ DBG_871X( "can't get autopm: \n");
+ }
+ #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,20))
+ usb_autopm_disable(adapter_to_dvobj(padapter)->pusbintf);
+ #else
+ usb_autoresume_device(adapter_to_dvobj(padapter)->pusbdev, 1);
+ #endif
+ pwrpriv->autopm_cnt++;
+ }
+#endif //#if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ ret = _SUCCESS;
+ goto exit;
+#if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ }
+#endif //#if defined (CONFIG_BT_COEXIST)&& defined (CONFIG_AUTOSUSPEND)
+ }
+
+ if(rf_off == pwrpriv->rf_pwrstate )
+ {
+#ifdef CONFIG_USB_HCI
+#ifdef CONFIG_AUTOSUSPEND
+ if(pwrpriv->brfoffbyhw==_TRUE)
+ {
+ DBG_8192C("hw still in rf_off state ...........\n");
+ ret = _FAIL;
+ goto exit;
+ }
+ else if(padapter->registrypriv.usbss_enable)
+ {
+ DBG_8192C("%s call autoresume_enter....\n",__FUNCTION__);
+ if(_FAIL == autoresume_enter(padapter))
+ {
+ DBG_8192C("======> autoresume fail.............\n");
+ ret = _FAIL;
+ goto exit;
+ }
+ }
+ else
+#endif
+#endif
+ {
+#ifdef CONFIG_IPS
+ DBG_8192C("%s call ips_leave....\n",__FUNCTION__);
+ if(_FAIL == ips_leave(padapter))
+ {
+ DBG_8192C("======> ips_leave fail.............\n");
+ ret = _FAIL;
+ goto exit;
+ }
+#endif
+ }
+ }
+
+ //TODO: the following checking need to be merged...
+ if (rtw_is_drv_stopped(padapter)
+ || !padapter->bup
+ || !rtw_is_hw_init_completed(padapter)
+ ) {
+ DBG_8192C("%s: bDriverStopped=%s, bup=%d, hw_init_completed=%u\n"
+ , caller
+ , rtw_is_drv_stopped(padapter)?"True":"False"
+ , padapter->bup
+ , rtw_get_hw_init_completed(padapter));
+ ret= _FALSE;
+ goto exit;
+ }
+
+exit:
+ if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
+ pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
+ return ret;
+
+}
+
+int rtw_pm_set_lps(_adapter *padapter, u8 mode)
+{
+ int ret = 0;
+ struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
+
+ if ( mode < PS_MODE_NUM )
+ {
+ if(pwrctrlpriv->power_mgnt !=mode)
+ {
+ if(PS_MODE_ACTIVE == mode)
+ {
+ LeaveAllPowerSaveMode(padapter);
+ }
+ else
+ {
+ pwrctrlpriv->LpsIdleCount = 2;
+ }
+ pwrctrlpriv->power_mgnt = mode;
+ pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?_TRUE:_FALSE;
+ }
+ }
+ else
+ {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+int rtw_pm_set_ips(_adapter *padapter, u8 mode)
+{
+ struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
+
+ if( mode == IPS_NORMAL || mode == IPS_LEVEL_2 ) {
+ rtw_ips_mode_req(pwrctrlpriv, mode);
+ DBG_871X("%s %s\n", __FUNCTION__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
+ return 0;
+ }
+ else if(mode ==IPS_NONE){
+ rtw_ips_mode_req(pwrctrlpriv, mode);
+ DBG_871X("%s %s\n", __FUNCTION__, "IPS_NONE");
+ if (!rtw_is_surprise_removed(padapter) && (_FAIL == rtw_pwr_wakeup(padapter)))
+ return -EFAULT;
+ }
+ else {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * ATTENTION:
+ * This function will request pwrctrl LOCK!
+ */
+void rtw_ps_deny(PADAPTER padapter, PS_DENY_REASON reason)
+{
+ struct pwrctrl_priv *pwrpriv;
+ s32 ret;
+
+
+// DBG_871X("+" FUNC_ADPT_FMT ": Request PS deny for %d (0x%08X)\n",
+// FUNC_ADPT_ARG(padapter), reason, BIT(reason));
+
+ pwrpriv = adapter_to_pwrctl(padapter);
+
+ _enter_pwrlock(&pwrpriv->lock);
+ if (pwrpriv->ps_deny & BIT(reason))
+ {
+ DBG_871X(FUNC_ADPT_FMT ": [WARNING] Reason %d had been set before!!\n",
+ FUNC_ADPT_ARG(padapter), reason);
+ }
+ pwrpriv->ps_deny |= BIT(reason);
+ _exit_pwrlock(&pwrpriv->lock);
+
+// DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n",
+// FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny);
+}
+
+/*
+ * ATTENTION:
+ * This function will request pwrctrl LOCK!
+ */
+void rtw_ps_deny_cancel(PADAPTER padapter, PS_DENY_REASON reason)
+{
+ struct pwrctrl_priv *pwrpriv;
+
+
+// DBG_871X("+" FUNC_ADPT_FMT ": Cancel PS deny for %d(0x%08X)\n",
+// FUNC_ADPT_ARG(padapter), reason, BIT(reason));
+
+ pwrpriv = adapter_to_pwrctl(padapter);
+
+ _enter_pwrlock(&pwrpriv->lock);
+ if ((pwrpriv->ps_deny & BIT(reason)) == 0)
+ {
+ DBG_871X(FUNC_ADPT_FMT ": [ERROR] Reason %d had been canceled before!!\n",
+ FUNC_ADPT_ARG(padapter), reason);
+ }
+ pwrpriv->ps_deny &= ~BIT(reason);
+ _exit_pwrlock(&pwrpriv->lock);
+
+// DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n",
+// FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny);
+}
+
+/*
+ * ATTENTION:
+ * Before calling this function pwrctrl lock should be occupied already,
+ * otherwise it may return incorrect value.
+ */
+u32 rtw_ps_deny_get(PADAPTER padapter)
+{
+ u32 deny;
+
+
+ deny = adapter_to_pwrctl(padapter)->ps_deny;
+
+ return deny;
+}
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