ps/rtl8723cs
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity
rtl8723cs/core/rtw_pwrctrl.c
Kamil Trzcinski 6b2045b110 initial commit
2017-01-30 21:28:09 +01:00

2699 lines
67 KiB
C
Raw Blame History

/******************************************************************************
*
* 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) && defined(CONFIG_P2P_IPS)
|| 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) && defined(CONFIG_P2P_IPS)
|| 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)
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_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 defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
if(_TRUE == pwrpriv->bInSuspend && pwrpriv->wowlan_mode)
return _TRUE;
else if(_TRUE == pwrpriv->bInSuspend && pwrpriv->wowlan_ap_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, 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
|| 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__);
#ifdef CONFIG_PNO_SUPPORT
parm[0] = 0x03;
parm[1] = pwrpriv->pnlo_info->fast_scan_iterations;
parm[2] = pwrpriv->pnlo_info->slow_scan_period;
#else
parm[0] = 0x03;
parm[1] = 0x0;
parm[2] = 0x0;
#endif//CONFIG_PNO_SUPPORT
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 //CONFIG_PNO_SUPPORT
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);
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) || defined(CONFIG_P2P_WOWLAN)
if (pwrpriv->wowlan_mode == _TRUE ||
pwrpriv->wowlan_ap_mode == _TRUE ||
pwrpriv->wowlan_p2p_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);
pdbgpriv->dbg_wow_leave_ps_fail_cnt++;
break;
}
rtw_usleep_os(100);
} while (1);
}
#endif
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) || defined(CONFIG_RTL8188E)
#ifdef CONFIG_IPS
if(_FALSE == ips_leave(pri_padapter))
{
DBG_871X("======> ips_leave fail.............\n");
}
#endif
#endif //CONFIG_SWLPS_IN_IPS || (CONFIG_PLATFORM_SPRD && CONFIG_RTL8188E)
}
}
}
_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) || (defined(CONFIG_PLATFORM_SPRD) && defined(CONFIG_RTL8188E))
#ifdef CONFIG_IPS
if(_FALSE == ips_leave(Adapter))
{
DBG_871X("======> ips_leave fail.............\n");
}
#endif
#endif //CONFIG_SWLPS_IN_IPS || (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 (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;
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->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
#ifdef CONFIG_GPIO_WAKEUP
/*default low active*/
pwrctrlpriv->is_high_active = HIGH_ACTIVE;
val8 = (pwrctrlpriv->is_high_active == 0) ? 1 : 0;
rtw_hal_set_output_gpio(padapter, WAKEUP_GPIO_IDX, val8);
DBG_871X("%s: set GPIO_%d %d as default.\n",
__func__, WAKEUP_GPIO_IDX, val8);
#endif /* CONFIG_GPIO_WAKEUP */
#ifdef CONFIG_WOWLAN
pwrctrlpriv->wowlan_pattern_idx = 0;
for (i = 0 ; i < MAX_WKFM_NUM; i++) {
_rtw_memset(pwrctrlpriv->patterns[i].content, '\0',
sizeof(pwrctrlpriv->patterns[i].content));
_rtw_memset(pwrctrlpriv->patterns[i].mask, '\0',
sizeof(pwrctrlpriv->patterns[i].mask));
pwrctrlpriv->patterns[i].len = 0;
}
#ifdef CONFIG_PNO_SUPPORT
pwrctrlpriv->pno_inited = _FALSE;
pwrctrlpriv->pnlo_info = NULL;
pwrctrlpriv->pscan_info = NULL;
pwrctrlpriv->pno_ssid_list = NULL;
pwrctrlpriv->pno_in_resume = _TRUE;
#endif /* CONFIG_PNO_SUPPORT */
#endif /* CONFIG_WOWLAN */
_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
#ifdef CONFIG_WOWLAN
#ifdef CONFIG_PNO_SUPPORT
if (pwrctrlpriv->pnlo_info != NULL)
printk("****** pnlo_info memory leak********\n");
if (pwrctrlpriv->pscan_info != NULL)
printk("****** pscan_info memory leak********\n");
if (pwrctrlpriv->pno_ssid_list != NULL)
printk("****** pno_ssid_list memory leak********\n");
#endif
#endif /* CONFIG_WOWLAN */
#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;
}
Reference in a new issue View git blame Copy permalink