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rtl8188eu/core/rtw_pwrctrl.c
Larry Finger dae15933ce rtl8188eu: Remove CONFIG_LPS 
This symbol is defined.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2015-02-24 20:32:00 -06:00

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/******************************************************************************
*
* 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 <recv_osdep.h>
#include <osdep_intf.h>
#ifdef CONFIG_BT_COEXIST
#include <rtl8723a_hal.h>
#endif
void _ips_enter(struct 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(struct adapter * padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
_enter_pwrlock(&pwrpriv->lock);
_ips_enter(padapter);
_exit_pwrlock(&pwrpriv->lock);
}
int _ips_leave(struct 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(struct 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;
}
#ifdef CONFIG_AUTOSUSPEND
extern void autosuspend_enter(struct adapter* padapter);
extern int autoresume_enter(struct adapter* padapter);
#endif
static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
{
struct 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);
struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &adapter->cfg80211_wdinfo;
#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_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);
struct cfg80211_wifidirect_info *b_pcfg80211_wdinfo = &buddy->cfg80211_wdinfo;
#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_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;
}
void rtw_ps_processor(struct 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);
rt_rf_power_state rfpwrstate;
pwrpriv->ps_processing = true;
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 ++;
}
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) */
ips_enter(padapter);
}
}
exit:
rtw_set_pwr_state_check_timer(pwrpriv);
pwrpriv->ps_processing = false;
return;
}
static void pwr_state_check_handler(void *FunctionContext)
{
struct adapter *padapter = (struct adapter *)FunctionContext;
rtw_ps_cmd(padapter);
}
/*
*
* Parameters
* padapter
* pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
*
*/
void rtw_set_rpwm(struct adapter *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
;
pslv = PS_STATE(pslv);
if (true == pwrpriv->btcoex_rfon)
{
if (pslv < PS_STATE_S4)
pslv = PS_STATE_S3;
}
if ((pwrpriv->rpwm == pslv)) {
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;
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
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
pwrpriv->tog += 0x80;
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) {
pollingRes = _SUCCESS;
break;
}
}while (rtw_get_passing_time_ms(cpwm_polling_start_time) < LPS_RPWM_WAIT_MS);
if (pollingRes == _FAIL)
DBG_871X("%s polling cpwm timeout!!!!!!!!!!\n", __FUNCTION__);
}
#endif
;
}
u8 PS_RDY_CHECK(struct adapter * padapter);
u8 PS_RDY_CHECK(struct 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;
}
if (!rtw_cfg80211_pwr_mgmt(padapter))
return false;
return true;
}
void rtw_set_ps_mode(struct adapter *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 */
;
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;
}
}
/* 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 */
rtw_set_rpwm(padapter, PS_STATE_S2);
}
}
}
/*
* Return:
* 0: Leave OK
* -1: Timeout
* -2: Other error
*/
s32 LPS_RF_ON_check(struct adapter *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(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct adapter *buddy = padapter->pbuddy_adapter;
if (PS_RDY_CHECK(padapter) == false)
return;
if (pwrpriv->bLeisurePs) {
/* Idle for a while if we connect to AP a while ago. */
if(pwrpriv->LpsIdleCount >= 2) /* 4 Sec */
{
if(pwrpriv->pwr_mode == PS_MODE_ACTIVE)
{
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++;
}
}
/* */
/* Description: */
/* Leave the leisure power save mode. */
/* */
void LPS_Leave(struct adapter *padapter)
{
#define LPS_LEAVE_TIMEOUT_MS 100
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
u32 start_time;
u8 bAwake = false;
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;
}
/* */
/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
/* Move code to function by tynli. 2010.03.26. */
/* */
void LeaveAllPowerSaveMode(IN struct adapter *Adapter)
{
struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
u8 enqueue = 0;
;
/* DBG_871X("%s.....\n",__FUNCTION__); */
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
{ /* connect */
#ifdef CONFIG_P2P_PS
p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue);
#endif /* CONFIG_P2P_PS */
rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
} 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)
if(false == ips_leave(Adapter))
DBG_871X("======> ips_leave fail.............\n");
#endif /* CONFIG_PLATFORM_SPRD */
}
}
}
;
}
#ifdef CONFIG_RESUME_IN_WORKQUEUE
static void resume_workitem_callback(struct work_struct *work);
#endif /* CONFIG_RESUME_IN_WORKQUEUE */
void rtw_init_pwrctrl_priv(struct adapter *padapter)
{
struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
_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
pwrctrlpriv->pwr_state_check_interval = (pwrctrlpriv->bHWPwrPindetect) ?1000:2000;
#endif
pwrctrlpriv->LpsIdleCount = 0;
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;
_init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter);
#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 */
;
}
void rtw_free_pwrctrl_priv(struct adapter *adapter)
{
struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(adapter);
#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);
}
#ifdef CONFIG_RESUME_IN_WORKQUEUE
extern int rtw_resume_process(struct 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);
struct adapter *adapter = dvobj->if1;
DBG_871X("%s\n",__FUNCTION__);
rtw_resume_process(adapter);
}
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
extern int rtw_resume_process(struct 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);
struct adapter *adapter = dvobj->if1;
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
extern int rtw_resume_process(struct adapter *padapter);
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);
struct adapter *adapter = dvobj->if1;
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 = 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(struct 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(struct 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 struct adapter structure
* @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
* Return _SUCCESS or _FAIL
*/
int _rtw_pwr_wakeup(struct 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();
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_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
{
DBG_8192C("%s call ips_leave....\n",__FUNCTION__);
if(_FAIL == ips_leave(padapter))
{
DBG_8192C("======> ips_leave fail.............\n");
ret = _FAIL;
goto exit;
}
}
}
/* 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(struct 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(struct 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;
}
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