diff options
Diffstat (limited to 'drivers/net/wireless/rtl8192ce/core/rtw_pwrctrl.c')
| -rwxr-xr-x | drivers/net/wireless/rtl8192ce/core/rtw_pwrctrl.c | 1404 |
1 files changed, 1404 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtl8192ce/core/rtw_pwrctrl.c b/drivers/net/wireless/rtl8192ce/core/rtw_pwrctrl.c new file mode 100755 index 000000000000..1301b204af05 --- /dev/null +++ b/drivers/net/wireless/rtl8192ce/core/rtw_pwrctrl.c @@ -0,0 +1,1404 @@ +/****************************************************************************** + * + * 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 + * + * + ******************************************************************************/ +#define _RTW_PWRCTRL_C_ + +#include <drv_conf.h> +#include <osdep_service.h> +#include <drv_types.h> +#include <osdep_intf.h> + + +#ifdef CONFIG_IPS +void ips_enter(_adapter * padapter) +{ + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + +#ifdef CONFIG_INTEL_PROXIM + if(padapter->proximity.proxim_on==_TRUE){ + return; + } +#endif + _enter_pwrlock(&pwrpriv->lock); + + 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 ) + { + DBG_871X("==>power_saving_ctrl_wk_hdl change rf to OFF...LED(0x%08x).... \n\n",rtw_read32(padapter,0x4c)); + + if(pwrpriv->ips_mode == IPS_LEVEL_2) + pwrpriv->bkeepfwalive = _TRUE; + + rtw_ips_pwr_down(padapter); + pwrpriv->rf_pwrstate = rf_off; + } + pwrpriv->bips_processing = _FALSE; + _exit_pwrlock(&pwrpriv->lock); + +} + +int ips_leave(_adapter * padapter) +{ + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct security_priv* psecuritypriv=&(padapter->securitypriv); + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + int result = _SUCCESS; + sint keyid; + _enter_pwrlock(&pwrpriv->lock); + if((pwrpriv->rf_pwrstate == rf_off) &&(!pwrpriv->bips_processing)) + { + pwrpriv->change_rfpwrstate = rf_on; + pwrpriv->ips_leave_cnts++; + DBG_871X("==>ips_leave cnts:%d\n",pwrpriv->ips_leave_cnts); + + result = rtw_ips_pwr_up(padapter); + pwrpriv->bips_processing = _TRUE; + pwrpriv->rf_pwrstate = rf_on; + + if((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) ||(_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm)) + { + DBG_871X("==>%s,channel(%d),processing(%x)\n",__FUNCTION__,padapter->mlmeextpriv.cur_channel,pwrpriv->bips_processing); + set_channel_bwmode(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); + for(keyid=0;keyid<4;keyid++){ + if(pmlmepriv->key_mask & BIT(keyid)){ + if(keyid == psecuritypriv->dot11PrivacyKeyIndex) + result=rtw_set_key(padapter,psecuritypriv, keyid, 1); + else + result=rtw_set_key(padapter,psecuritypriv, keyid, 0); + } + } + } + + DBG_871X("==> ips_leave.....LED(0x%08x)...\n",rtw_read32(padapter,0x4c)); + pwrpriv->bips_processing = _FALSE; + + pwrpriv->bkeepfwalive = _FALSE; + + + } + _exit_pwrlock(&pwrpriv->lock); + return result; +} + + +#endif + +#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 + +#if defined (PLATFORM_LINUX)||defined (PLATFORM_FREEBSD) +void rtw_ps_processor(_adapter*padapter) +{ +#ifdef CONFIG_P2P + struct wifidirect_info *pwdinfo = &( padapter->wdinfo ); +#endif //CONFIG_P2P + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); +#ifdef SUPPORT_HW_RFOFF_DETECTED + rt_rf_power_state rfpwrstate; +#endif //SUPPORT_HW_RFOFF_DETECTED + +#ifdef SUPPORT_HW_RFOFF_DETECTED + if(pwrpriv->bips_processing == _TRUE) return; + + //DBG_871X("==> fw report state(0x%x)\n",rtw_read8(padapter,0x1ca)); + if(padapter->pwrctrlpriv.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; + padapter->bCardDisableWOHSM = _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 defined(CONFIG_CONCURRENT_MODE) + return; /* Skip power saving for concurrent mode */ + #endif + + if( pwrpriv->ips_mode_req == IPS_NONE) return; + + if((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4)==0)) + { + if ( (check_fwstate(pmlmepriv, _FW_LINKED|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) || + (padapter->bup == _FALSE) + #ifdef CONFIG_P2P + || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE) + #endif //CONFIG_P2P + ) + { + return; + } + + DBG_871X("==>%s .fw_state(%x)\n",__FUNCTION__,get_fwstate(pmlmepriv)); + pwrpriv->change_rfpwrstate = rf_off; + + #ifdef CONFIG_AUTOSUSPEND + if(padapter->registrypriv.usbss_enable) + { + if(padapter->pwrctrlpriv.bHWPwrPindetect) + pwrpriv->bkeepfwalive = _TRUE; + + if(padapter->net_closed == _TRUE) + pwrpriv->ps_flag = _TRUE; + + padapter->bCardDisableWOHSM = _TRUE; + autosuspend_enter(padapter); + } + else if(padapter->pwrctrlpriv.bHWPwrPindetect) + { + } + else + #endif //CONFIG_AUTOSUSPEND + { + #ifdef CONFIG_IPS + ips_enter(padapter); + #endif + } + } + + +} + +void pwr_state_check_handler(void *FunctionContext); +void pwr_state_check_handler(void *FunctionContext) +{ + _adapter *padapter = (_adapter *)FunctionContext; + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; +#ifdef CONFIG_P2P + struct wifidirect_info *pwdinfo = &( padapter->wdinfo ); +#endif //CONFIG_P2P + //DBG_871X("%s\n", __FUNCTION__); + +#ifdef SUPPORT_HW_RFOFF_DETECTED + //DBG_871X("%s...bHWPwrPindetect(%d)\n",__FUNCTION__,padapter->pwrctrlpriv.bHWPwrPindetect); + if(padapter->pwrctrlpriv.bHWPwrPindetect) + { + rtw_ps_cmd(padapter); + rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); + } + else +#endif + { + //if(padapter->net_closed == _TRUE) return; + //DBG_871X("==>%s .fw_state(%x)\n", __FUNCTION__, get_fwstate(pmlmepriv)); + if ( (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, _FW_LINKED|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE) || + (padapter->bup == _FALSE) + #ifdef CONFIG_P2P + || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE) + #endif //CONFIG_P2P + ) + { + //other pwr ctrl.... + rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); + } + else + { + if((pwrpriv->rf_pwrstate == rf_on) &&(_FALSE == pwrpriv->bips_processing)) + { + pwrpriv->change_rfpwrstate = rf_off; + pwrctrlpriv->pwr_state_check_cnts = 0; + DBG_871X("==>pwr_state_check_handler .fw_state(%x)\n",get_fwstate(pmlmepriv)); + rtw_ps_cmd(padapter); + } + + } + } + + + +} +#endif + + +#ifdef CONFIG_LPS +/* + * + * 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 = &padapter->pwrctrlpriv; + +_func_enter_; + + pslv = PS_STATE(pslv); + + if (pwrpriv->rpwm == pslv) { + RT_TRACE(_module_rtl871x_pwrctrl_c_,_drv_err_, + ("%s: Already set rpwm[0x%02x]!\n", __FUNCTION__, pslv)); + return; + } + + if ((padapter->bDriverStopped == _TRUE) || + (padapter->bSurpriseRemoved == _TRUE)) { + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, + ("%s: bDriverStopped(%d) bSurpriseRemoved(%d)\n", + __FUNCTION__, padapter->bDriverStopped, padapter->bSurpriseRemoved)); + return; + } + + rpwm = pslv | pwrpriv->tog; +#ifdef CONFIG_LPS_LCLK + 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; + + padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm)); + + pwrpriv->tog += 0x80; + + if (!(rpwm & PS_ACK)) pwrpriv->cpwm = pslv; + +_func_exit_; +} + +u8 PS_RDY_CHECK(_adapter * padapter); +u8 PS_RDY_CHECK(_adapter * padapter) +{ + u32 curr_time, delta_time; + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + + curr_time = rtw_get_current_time(); + + delta_time = curr_time -pwrpriv->DelayLPSLastTimeStamp; + + if(delta_time < LPS_DELAY_TIME) + { + return _FALSE; + } + + if ( (check_fwstate(pmlmepriv, _FW_LINKED) == _FALSE) || + (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ) + return _FALSE; + + if(_TRUE == pwrpriv->bInSuspend ) + return _FALSE; + + if( (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == _FALSE) ) + { + DBG_871X("Group handshake still in progress !!!\n"); + return _FALSE; + } + + return _TRUE; +} + +void rtw_set_ps_mode(PADAPTER padapter, u8 ps_mode, u8 smart_ps) +{ + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; +#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) && + (pwrpriv->smart_ps == smart_ps)){ + return; + } + + //if(pwrpriv->pwr_mode == PS_MODE_ACTIVE) + if(ps_mode == PS_MODE_ACTIVE) + { +#ifdef CONFIG_P2P_PS + if(pwdinfo->opp_ps == 0) +#endif // CONFIG_P2P_PS + { +#ifdef CONFIG_LPS_LCLK + _enter_pwrlock(&pwrpriv->lock); +#endif + DBG_871X("rtw_set_ps_mode(): Busy Traffic , Leave 802.11 power save..\n"); + +#ifdef CONFIG_TDLS + _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL); + + 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, 0); + plist = get_next(plist); + } + } + + _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL); +#endif //CONFIG_TDLS + + pwrpriv->smart_ps = smart_ps; + pwrpriv->pwr_mode = ps_mode; + + rtw_set_rpwm(padapter, PS_STATE_S4); +#ifdef CONFIG_LPS_LCLK +{ + u32 n = 0; + while (pwrpriv->cpwm != PS_STATE_S4) { + n++; + if (n == 10000) break; + if (padapter->bSurpriseRemoved == _TRUE) break; + rtw_msleep_os(1); + } + if (n == 10000) + printk(KERN_ERR "%s: wait CPWM to S4 too long! cpwm=0x%02x\n", __func__, pwrpriv->cpwm); +} +#endif + padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); + pwrpriv->bFwCurrentInPSMode = _FALSE; +#ifdef CONFIG_LPS_LCLK + _exit_pwrlock(&pwrpriv->lock); +#endif + } + } + else + { + if(PS_RDY_CHECK(padapter)) + { +#ifdef CONFIG_LPS_LCLK + _enter_pwrlock(&pwrpriv->lock); +#endif + DBG_871X("rtw_set_ps_mode(): Enter 802.11 power save mode...\n"); + +#ifdef CONFIG_TDLS + _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL); + + 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, 1); + plist = get_next(plist); + } + } + + _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL); +#endif //CONFIG_TDLS + + pwrpriv->smart_ps = smart_ps; + pwrpriv->pwr_mode = ps_mode; + pwrpriv->bFwCurrentInPSMode = _TRUE; + padapter->HalFunc.SetHwRegHandler(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 +#ifdef CONFIG_LPS_LCLK + if (pwrpriv->alives == 0) + rtw_set_rpwm(padapter, PS_STATE_S0); +#else + rtw_set_rpwm(padapter, PS_STATE_S2); +#endif +#ifdef CONFIG_LPS_LCLK + _exit_pwrlock(&pwrpriv->lock); +#endif + } + //else + //{ + // pwrpriv->pwr_mode = PS_MODE_ACTIVE; + //} + } + +_func_exit_; +} + + +// +// Description: +// Enter the leisure power save mode. +// +void LPS_Enter(PADAPTER padapter) +{ + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + +_func_enter_; + +// DBG_871X("+LeisurePSEnter\n"); + +#ifdef CONFIG_CONCURRENT_MODE + if (padapter->iface_type != IFACE_PORT0) + return; /* Skip power saving for concurrent mode port 1*/ +#endif + +#ifdef CONFIG_INTEL_PROXIM + if(padapter->proximity.proxim_on==_TRUE){ + return; + } +#endif + if ( (check_fwstate(pmlmepriv, _FW_LINKED) == _FALSE) || + (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ) + return; + + if(_TRUE == pwrpriv->bInSuspend ) + return ; + + 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) + { + rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, 2); + } + } + else + pwrpriv->LpsIdleCount++; + } + +// DBG_871X("-LeisurePSEnter\n"); + +_func_exit_; +} + + +// +// Description: +// Leave the leisure power save mode. +// +void LPS_Leave(PADAPTER padapter) +{ +#define LPS_LEAVE_TIMEOUT_MS 100 + + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + u32 start_time; + BOOLEAN bAwake = _FALSE; + +_func_enter_; + +// DBG_871X("+LeisurePSLeave\n"); + + if (pwrpriv->bLeisurePs) + { + if(pwrpriv->pwr_mode != PS_MODE_ACTIVE) + { + rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0); + + if(pwrpriv->pwr_mode == PS_MODE_ACTIVE) + { + start_time = rtw_get_current_time(); + while(1) + { + padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&bAwake)); + + if(bAwake || padapter->bSurpriseRemoved) + break; + + if(rtw_get_passing_time_ms(start_time)>LPS_LEAVE_TIMEOUT_MS) + { + DBG_871X("Wait for FW LPS leave more than %u ms!!!\n", LPS_LEAVE_TIMEOUT_MS); + break; + } + rtw_usleep_os(100); + } + } + } + } + + +// DBG_871X("-LeisurePSLeave\n"); + +_func_exit_; +} + +#endif + +// +// 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 mlme_priv *pmlmepriv = &(Adapter->mlmepriv); + +_func_enter_; + + //DBG_871X("%s.....\n",__FUNCTION__); + if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE) + { //connect +#ifdef CONFIG_P2P_PS + p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, 0); +#endif // CONFIG_P2P_PS +#ifdef CONFIG_LPS + //DBG_871X("==> leave LPS.......\n"); + LPS_Leave(Adapter); +#endif + } + else + { + if(Adapter->pwrctrlpriv.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->dvobjpriv.pusbdev); + #elif (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22) && LINUX_VERSION_CODE<=KERNEL_VERSION(2,6,34)) + Adapter->dvobjpriv.pusbdev->autosuspend_disabled = Adapter->bDisableAutosuspend;//autosuspend disabled by the user + #endif + } + else + #endif + { + /* + #ifdef CONFIG_IPS + if(_FALSE == ips_leave(Adapter)) + { + DBG_871X("======> ips_leave fail.............\n"); + } + #endif + */ + } + } + } + +_func_exit_; +} + +#ifdef CONFIG_LPS_LCLK +/* + * 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 = &padapter->pwrctrlpriv; +#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); + + 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_; +} + +__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; +} + +/* + * 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; + +_func_enter_; + + res = _SUCCESS; + pwrctrl = &padapter->pwrctrlpriv; + + _enter_pwrlock(&pwrctrl->lock); + + register_task_alive(pwrctrl, XMIT_ALIVE); + + if (pwrctrl->bFwCurrentInPSMode == _TRUE) + { + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, + ("rtw_register_tx_alive: cpwm=0x%02x alives=0x%08x\n", + pwrctrl->cpwm, pwrctrl->alives)); + + if (pwrctrl->cpwm < PS_STATE_S2) { + if (pwrctrl->rpwm < PS_STATE_S2) + rtw_set_rpwm(padapter, PS_STATE_S2); + res = _FAIL; + } + } + + _exit_pwrlock(&pwrctrl->lock); + +_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; + +_func_enter_; + + res = _SUCCESS; + pwrctrl = &padapter->pwrctrlpriv; + + _enter_pwrlock(&pwrctrl->lock); + + register_task_alive(pwrctrl, CMD_ALIVE); + + if (pwrctrl->bFwCurrentInPSMode == _TRUE) + { + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, + ("rtw_register_cmd_alive: cpwm=0x%02x alives=0x%08x\n", + pwrctrl->cpwm, pwrctrl->alives)); + + if (pwrctrl->cpwm < PS_STATE_S2) { + if (pwrctrl->rpwm < PS_STATE_S2) + rtw_set_rpwm(padapter, PS_STATE_S2); + res = _FAIL; + } + } + + _exit_pwrlock(&pwrctrl->lock); + +_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 = &padapter->pwrctrlpriv; + + _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 = &padapter->pwrctrlpriv; + + _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; + +_func_enter_; + + pwrctrl = &padapter->pwrctrlpriv; + + _enter_pwrlock(&pwrctrl->lock); + + unregister_task_alive(pwrctrl, XMIT_ALIVE); + + if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && + (pwrctrl->bFwCurrentInPSMode == _TRUE)) + { + if ((pwrctrl->alives == 0) && + (pwrctrl->cpwm > PS_STATE_S0)) + { + rtw_set_rpwm(padapter, PS_STATE_S0); + } + + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, + ("rtw_unregister_tx_alive: cpwm=0x%02x alives=0x%08x\n", + pwrctrl->cpwm, pwrctrl->alives)); + } + + _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; + +_func_enter_; + + pwrctrl = &padapter->pwrctrlpriv; + + _enter_pwrlock(&pwrctrl->lock); + + unregister_task_alive(pwrctrl, CMD_ALIVE); + + if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && + (pwrctrl->bFwCurrentInPSMode == _TRUE)) + { + if ((pwrctrl->alives == 0) && + (pwrctrl->cpwm > PS_STATE_S0)) + { + rtw_set_rpwm(padapter, PS_STATE_S0); + } + + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, + ("rtw_unregister_cmd_alive: cpwm=0x%02x alives=0x%08x\n", + pwrctrl->cpwm, pwrctrl->alives)); + } + + _exit_pwrlock(&pwrctrl->lock); + +_func_exit_; +} + +/* + * Caller: ISR + */ +void rtw_unregister_rx_alive(PADAPTER padapter) +{ + struct pwrctrl_priv *pwrctrl; + +_func_enter_; + + pwrctrl = &padapter->pwrctrlpriv; + + _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 = &padapter->pwrctrlpriv; + + 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 = &padapter->pwrctrlpriv; + +_func_enter_; + +#ifdef PLATFORM_WINDOWS + pwrctrlpriv->pnp_current_pwr_state=NdisDeviceStateD0; +#endif + + _init_pwrlock(&pwrctrlpriv->lock); + pwrctrlpriv->rf_pwrstate = rf_on; + pwrctrlpriv->ips_enter_cnts=0; + pwrctrlpriv->ips_leave_cnts=0; + + pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode; + pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode; + + pwrctrlpriv->pwr_state_check_interval = 2000; + 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->cpwm = PS_STATE_S4; + + pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; + + + pwrctrlpriv->smart_ps = 0; + + pwrctrlpriv->tog = 0x80; + +#ifdef PLATFORM_LINUX + _init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter); +#endif + + #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->pwrctrlpriv; + +_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); + +_func_exit_; +} + +#ifdef CONFIG_RESUME_IN_WORKQUEUE +#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) +extern int rtw_resume_process(_adapter *padapter); +#endif +static void resume_workitem_callback(struct work_struct *work) +{ + struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, resume_work); + _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv); + + DBG_871X("%s\n",__FUNCTION__); + + #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) + rtw_resume_process(adapter); + #endif + +} + +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(); + + #if 1 + queue_work(pwrpriv->rtw_workqueue, &pwrpriv->resume_work); + #else + _set_workitem(&pwrpriv->resume_work); + #endif +} +#endif //CONFIG_RESUME_IN_WORKQUEUE + +#ifdef CONFIG_HAS_EARLYSUSPEND +#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) +extern int rtw_resume_process(_adapter *padapter); +#endif +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__); + + //jeff: do nothing but set do_late_resume to false + pwrpriv->do_late_resume = _FALSE; +} + +static void rtw_late_resume(struct early_suspend *h) +{ + struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend); + _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv); + + DBG_871X("%s\n",__FUNCTION__); + if(pwrpriv->do_late_resume) { + #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) + rtw_resume_process(adapter); + pwrpriv->do_late_resume = _FALSE; + #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 = 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__); + + pwrpriv->do_late_resume = _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) +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__); + + //jeff: do nothing but set do_late_resume to false + pwrpriv->do_late_resume = _FALSE; +} + +static void rtw_late_resume(android_early_suspend_t *h) +{ + struct pwrctrl_priv *pwrpriv = container_of(h, struct pwrctrl_priv, early_suspend); + _adapter *adapter = container_of(pwrpriv, _adapter, pwrctrlpriv); + + DBG_871X("%s\n",__FUNCTION__); + if(pwrpriv->do_late_resume) { + #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) + rtw_resume_process(adapter); + pwrpriv->do_late_resume = _FALSE; + #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__); + + pwrpriv->do_late_resume = _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; + if(padapter->HalFunc.interface_ps_func) + { + bResult = padapter->HalFunc.interface_ps_func(padapter,efunc_id,val); + } + return bResult; +} + +/* +* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend +* @adapter: pointer to _adapter structure +* +* Return _SUCCESS or _FAIL +*/ +int _rtw_pwr_wakeup(_adapter *padapter, const char *caller) +{ + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + int ret = _SUCCESS; + + //System suspend is not allowed to wakeup + if((pwrpriv->bInternalAutoSuspend == _FALSE) && (_TRUE == pwrpriv->bInSuspend )){ + ret = _FAIL; + goto exit; + } + + //I think this should be check in IPS, LPS, autosuspend functions... + //if( pwrpriv->power_mgnt == PS_MODE_ACTIVE ) { + // 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) + { + ret = _SUCCESS; + goto exit; + } + + 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("\n %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("\n %s call ips_leave....\n",__FUNCTION__); + if(_FAIL == ips_leave(padapter)) + { + DBG_8192C("======> ips_leave fail.............\n"); + ret = _FAIL; + goto exit; + } +#endif + } + }else { + //Jeff: reset timer to avoid falling ips or selective suspend soon + if(pwrpriv->bips_processing == _FALSE) + rtw_set_pwr_state_check_timer(pwrpriv); + } + + //TODO: the following checking need to be merged... + if(padapter->bDriverStopped + || !padapter->bup + || !padapter->hw_init_completed + ){ + DBG_8192C("%s: bDriverStopped=%d, bup=%d, hw_init_completed=%u\n" + , caller + , padapter->bDriverStopped + , padapter->bup + , padapter->hw_init_completed); + ret= _FALSE; + goto exit; + } + +exit: + return ret; + +} + +int rtw_pm_set_lps(_adapter *padapter, u8 mode) +{ + int ret = 0; + struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; + + 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 = &padapter->pwrctrlpriv; + + if( mode == IPS_NORMAL || mode == IPS_LEVEL_2 ) { + rtw_ips_mode_req(pwrctrlpriv, mode); + rtw_set_pwr_state_check_timer(pwrctrlpriv); + 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(_FAIL == rtw_pwr_wakeup(padapter)) + return -EFAULT; + } + else { + return -EINVAL; + } + return 0; +} + + |