diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_pwrctrl.c')
| -rwxr-xr-x | drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_pwrctrl.c | 1926 |
1 files changed, 1926 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_pwrctrl.c b/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_pwrctrl.c new file mode 100755 index 000000000000..3ccfbfec9818 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_pwrctrl.c @@ -0,0 +1,1926 @@ +/****************************************************************************** + * + * 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_conf.h> +#include <osdep_service.h> +#include <drv_types.h> +#include <osdep_intf.h> + +#ifdef CONFIG_BT_COEXIST +#include <rtl8723a_hal.h> +#endif + +#ifdef CONFIG_IPS +void _ips_enter(_adapter * padapter) +{ + struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); + + if (padapter->hw_init_completed == _FALSE) { + DBG_871X("%s: hw_init_completed: %d\n", + __func__, padapter->hw_init_completed); + return; + } + + 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); +#ifdef CONFIG_BT_COEXIST + BTDM_TurnOffBtCoexistBeforeEnterIPS(padapter); +#endif + 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); + + _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); + int ret; + + _enter_pwrlock(&pwrpriv->lock); + ret = _ips_leave(padapter); + _exit_pwrlock(&pwrpriv->lock); + + 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)->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) && defined(CONFIG_P2P_IPS) + || pcfg80211_wdinfo->is_ro_ch + #elif defined(CONFIG_P2P) + || !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE) + #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) && defined(CONFIG_P2P_IPS) + || b_pcfg80211_wdinfo->is_ro_ch + #elif defined(CONFIG_P2P) + || !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE) + #endif + ) { + goto exit; + } + } + +#if (MP_DRIVER == 1) + if (adapter->registrypriv.mp_mode == 1) + goto exit; +#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_info_, "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; +} + +#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 = adapter_to_pwrctl(padapter); + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); +#ifdef SUPPORT_HW_RFOFF_DETECTED + rt_rf_power_state rfpwrstate; +#endif //SUPPORT_HW_RFOFF_DETECTED + + 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; + 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 (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; + padapter->bCardDisableWOHSM = _TRUE; + DBG_871X("<==%s .pwrpriv->bInternalAutoSuspend)(%x) call autosuspend_enter\n",__FUNCTION__,pwrpriv->bInternalAutoSuspend); + autosuspend_enter(padapter); + } + #else + padapter->bCardDisableWOHSM = _TRUE; + 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: + rtw_set_pwr_state_check_timer(pwrpriv); + pwrpriv->ps_processing = _FALSE; + return; +} + +void pwr_state_check_handler(void *FunctionContext); +void pwr_state_check_handler(void *FunctionContext) +{ + _adapter *padapter = (_adapter *)FunctionContext; + 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 = adapter_to_pwrctl(padapter); +#ifdef CONFIG_DETECT_CPWM_BY_POLLING + u8 cpwm_orig = 0; + u8 cpwm_now = 0; + u32 cpwm_polling_start_time = 0; + u8 pollingRes = _FAIL; +#endif + +_func_enter_; + + pslv = PS_STATE(pslv); + + + if (_TRUE == pwrpriv->btcoex_rfon) + { + if (pslv < PS_STATE_S4) + pslv = PS_STATE_S3; + } + +#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 +#ifndef CONFIG_RTL8723A + || ((pwrpriv->rpwm >= PS_STATE_S2)&&(pslv >= PS_STATE_S2)) +#endif +#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 ((padapter->bSurpriseRemoved == _TRUE) || + (padapter->hw_init_completed == _FALSE)) + { + RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, + ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n", + __FUNCTION__, padapter->bSurpriseRemoved, padapter->hw_init_completed)); + + pwrpriv->cpwm = PS_STATE_S4; + + return; + } + + if (padapter->bDriverStopped == _TRUE) + { + 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 + if (rpwm & PS_ACK) + { + //cpwm_orig = rtw_read8(padapter, SDIO_LOCAL_BASE | SDIO_REG_HCPWM1); + rtw_hal_get_hwreg(padapter, HW_VAR_GET_CPWM, (u8 *)(&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)) +#endif + { + pwrpriv->cpwm = pslv; + } + +#ifdef CONFIG_DETECT_CPWM_BY_POLLING + if (rpwm & PS_ACK) + { + cpwm_polling_start_time = rtw_get_current_time(); + + //polling cpwm + do{ + rtw_mdelay_os(1); + + //cpwm_now = rtw_read8(padapter, SDIO_LOCAL_BASE | SDIO_REG_HCPWM1); + rtw_hal_get_hwreg(padapter, HW_VAR_GET_CPWM, (u8 *)(&cpwm_now)); + if ((cpwm_orig ^ cpwm_now) & 0x80) + { +#ifdef CONFIG_LPS_LCLK + #ifdef CONFIG_RTL8723A + pwrpriv->cpwm = PS_STATE(cpwm_now); + #else // !CONFIG_RTL8723A + pwrpriv->cpwm = PS_STATE_S4; + #endif // !CONFIG_RTL8723A + pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE; +#endif + pollingRes = _SUCCESS; + break; + } + }while (rtw_get_passing_time_ms(cpwm_polling_start_time) < LPS_RPWM_WAIT_MS); + + if (pollingRes == _FAIL) + { +#ifdef CONFIG_LPS_RPWM_TIMER + _set_timer(&pwrpriv->pwr_rpwm_timer, 1); +#endif + DBG_871X("%s polling cpwm timeout!!!!!!!!!!\n", __FUNCTION__); + } + } +#endif + +_func_exit_; +} + +u8 PS_RDY_CHECK(_adapter * padapter); +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_WOWLAN + if(_TRUE == pwrpriv->bInSuspend && pwrpriv->wowlan_mode) + return _TRUE; + else if (_TRUE == pwrpriv->bInSuspend) + return _FALSE; +#else + if(_TRUE == pwrpriv->bInSuspend ) + return _FALSE; +#endif + + 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, _FW_UNDER_SURVEY) == _TRUE) || + (check_fwstate(pmlmepriv, WIFI_UNDER_WPS) == _TRUE) || + (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( (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; +} + +void rtw_set_ps_mode(PADAPTER padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode) +{ + struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); +#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; + + if ((pwrpriv->smart_ps == smart_ps) && + (pwrpriv->bcn_ant_mode == bcn_ant_mode)) + { + return; + } + } + +#ifdef CONFIG_LPS_LCLK + _enter_pwrlock(&pwrpriv->lock); +#endif + + //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 + { + DBG_871X("rtw_set_ps_mode: 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->pwr_mode = ps_mode; + rtw_set_rpwm(padapter, PS_STATE_S4); +#ifdef CONFIG_WOWLAN + if (pwrpriv->wowlan_mode == _TRUE) + { + u32 start_time, delay_ms; + u8 val8; + delay_ms = 20; + start_time = rtw_get_current_time(); + do { + rtw_hal_get_hwreg(padapter, HW_VAR_SYS_CLKR, &val8); + if (!(val8 & BIT(4))){ //0x08 bit4 =1 --> in 32k, bit4 = 0 --> leave 32k + pwrpriv->cpwm = PS_STATE_S4; + break; + } + if (rtw_get_passing_time_ms(start_time) > delay_ms) + { + DBG_871X("%s: Wait for FW 32K leave more than %u ms!!!\n", __FUNCTION__, delay_ms); + break; + } + rtw_usleep_os(100); + } while (1); + } +#endif + rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); + pwrpriv->bFwCurrentInPSMode = _FALSE; + } + } + else + { + if (PS_RDY_CHECK(padapter) +#ifdef CONFIG_BT_COEXIST + || (BT_1Ant(padapter) == _TRUE) +#endif + ) + { + DBG_871X("%s: Enter 802.11 power save\n", __FUNCTION__); + +#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->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 + +#ifdef CONFIG_LPS_LCLK + DBG_871X("%s: alives: %d\n", __FUNCTION__, pwrpriv->alives); + 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 + +_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 (_TRUE == padapter->bSurpriseRemoved) + { + 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) +{ + struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + _adapter *buddy = padapter->pbuddy_adapter; + +_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*/ + + /* 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) && defined(CONFIG_P2P_IPS) + || b_pcfg80211_wdinfo->is_ro_ch + #elif defined(CONFIG_P2P) + || !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE) + #endif + || rtw_is_scan_deny(buddy) + ) { + return; + } + } +#endif + + if (PS_RDY_CHECK(padapter) == _FALSE) + return; + + if (_TRUE == 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) + { + pwrpriv->bpower_saving = _TRUE; + DBG_871X("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps); + //For Tenda W311R IOT issue + rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0x40); + } + } + 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 = adapter_to_pwrctl(padapter); + u32 start_time; + u8 bAwake = _FALSE; + +_func_enter_; + +#ifdef CONFIG_CONCURRENT_MODE + if (padapter->iface_type != IFACE_PORT0) + return; /* Skip power saving for concurrent mode port 1*/ +#endif + +// DBG_871X("+LeisurePSLeave\n"); + + if (pwrpriv->bLeisurePs) + { + if(pwrpriv->pwr_mode != PS_MODE_ACTIVE) + { + rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0x40); + + if(pwrpriv->pwr_mode == PS_MODE_ACTIVE) + LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS); + } + } + + pwrpriv->bpower_saving = _FALSE; + +// 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); + u8 enqueue = 0; + +_func_enter_; + + //DBG_871X("%s.....\n",__FUNCTION__); + if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE) + { //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_PLATFORM_SPRD) && defined(CONFIG_RTL8188E) + #ifdef CONFIG_IPS + if(_FALSE == ips_leave(Adapter)) + { + DBG_871X("======> ips_leave fail.............\n"); + } + #endif +#endif //CONFIG_PLATFORM_SPRD && CONFIG_RTL8188E + } + } + } + +_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 ((padapter->bSurpriseRemoved == _TRUE) + || (padapter->hw_init_completed == _FALSE) +#ifdef CONFIG_USB_HCI + || (padapter->bDriverStopped== _TRUE) +#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->if1; + 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->if1; +// 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; +} + +/* + * 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); +#ifdef CONFIG_BT_COEXIST + if (_TRUE == adapter_to_pwrctl(padapter)->btcoex_rfon) + pslv = PS_STATE_S3; + else +#endif + { + 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); +#ifdef CONFIG_BT_COEXIST + if (_TRUE == adapter_to_pwrctl(padapter)->btcoex_rfon) + pslv = PS_STATE_S3; + else +#endif + { + 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; + +_func_enter_; + + pwrctrl = adapter_to_pwrctl(padapter); + + _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->alives == 0) && + (pwrctrl->cpwm > PS_STATE_S0)) + { + rtw_set_rpwm(padapter, PS_STATE_S0); + } + } + + _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 = adapter_to_pwrctl(padapter); + + _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->alives == 0) && + (pwrctrl->cpwm > PS_STATE_S0)) + { + rtw_set_rpwm(padapter, PS_STATE_S0); + } + } + + _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); + +#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); + pwrctrlpriv->rf_pwrstate = rf_on; + pwrctrlpriv->ips_enter_cnts=0; + pwrctrlpriv->ips_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; + if (padapter->registrypriv.mp_mode == 1) + pwrctrlpriv->power_mgnt =PS_MODE_ACTIVE ; + else + 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->tog = 0x80; + + pwrctrlpriv->btcoex_rfon = _FALSE; + +#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 + +#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_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); + +_func_exit_; +} + +#ifdef CONFIG_RESUME_IN_WORKQUEUE +#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_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); + struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv); + _adapter *adapter = dvobj->if1; + + DBG_871X("%s\n",__FUNCTION__); + + #if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_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 + +#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 +#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_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__); + + 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->if1; + + 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 = 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->if1; + + 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 pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + int ret = _SUCCESS; + u32 start = rtw_get_current_time(); + +#ifdef CONFIG_CONCURRENT_MODE + if (padapter->pbuddy_adapter) + LeaveAllPowerSaveMode(padapter->pbuddy_adapter); + + if ((padapter->isprimary == _FALSE) && padapter->pbuddy_adapter){ + padapter = padapter->pbuddy_adapter; + pmlmepriv = &padapter->mlmepriv; + } +#endif + + 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(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: + 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((padapter->bSurpriseRemoved ==0)&&(_FAIL == rtw_pwr_wakeup(padapter)) ) + return -EFAULT; + } + else { + return -EINVAL; + } + return 0; +} + + |