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kernel / pub / scm / linux / kernel / git / daveh / x86-mpx / ab8eb7db1dcc03e7ae9eb379884fd701af6b1a38 / . / drivers / staging / rtl8723bs / core / rtw_pwrctrl.c
blob: aabdaafcbdd3a846bf595e7acc4a506de6d0d799 [file] [log] [blame]
/******************************************************************************
*
* 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.
*
******************************************************************************/
#define _RTW_PWRCTRL_C_
#include <drv_types.h>
#include <rtw_debug.h>
#include <hal_data.h>
#include <linux/jiffies.h>
void _ips_enter(struct 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(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
rtw_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req);
down(&pwrpriv->lock);
_ips_enter(padapter);
up(&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);
result = rtw_ips_pwr_up(padapter);
if (result == _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;
if (!is_primary_adapter(padapter))
return _SUCCESS;
down(&pwrpriv->lock);
ret = _ips_leave(padapter);
up(&pwrpriv->lock);
if (_SUCCESS == ret)
rtw_btcoex_IpsNotify(padapter, IPS_NONE);
return ret;
}
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;
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 (time_before(jiffies, adapter_to_pwrctl(adapter)->ips_deny_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)
)
goto exit;
/* consider buddy, if exist */
if (buddy) {
struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
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)
)
goto exit;
}
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(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
u32 ps_deny = 0;
down(&adapter_to_pwrctl(padapter)->lock);
ps_deny = rtw_ps_deny_get(padapter);
up(&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", __func__);
return;
}
pwrpriv->ps_processing = true;
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\n", __func__);
pwrpriv->change_rfpwrstate = rf_off;
{
ips_enter(padapter);
}
}
exit:
pwrpriv->ps_processing = false;
return;
}
void pwr_state_check_handler(RTW_TIMER_HDL_ARGS);
void pwr_state_check_handler(RTW_TIMER_HDL_ARGS)
{
struct adapter *padapter = (struct adapter *)FunctionContext;
rtw_ps_cmd(padapter);
}
void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets)
{
static unsigned long start_time;
static u32 xmit_cnt;
u8 bLeaveLPS = false;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (tx) { /* from tx */
xmit_cnt += tx_packets;
if (start_time == 0)
start_time = jiffies;
if (jiffies_to_msecs(jiffies - 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)
&& (rtw_btcoex_IsBtControlLps(padapter) == false)
) {
DBG_871X("leave lps via Tx = %d\n", xmit_cnt);
bLeaveLPS = true;
}
}
start_time = jiffies;
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)
&& (rtw_btcoex_IsBtControlLps(padapter) == false)
) {
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, LPS_CTRL_LEAVE, tx?0:1);
}
/*
* 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(struct adapter *padapter, u8 pslv)
{
u8 rpwm;
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
u8 cpwm_orig;
pslv = PS_STATE(pslv);
if (pwrpriv->brpwmtimeout == true) {
DBG_871X("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __func__, pslv);
} else{
if ((pwrpriv->rpwm == pslv)
|| ((pwrpriv->rpwm >= PS_STATE_S2) && (pslv >= PS_STATE_S2))) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
("%s: Already set rpwm[0x%02X], new = 0x%02X!\n", __func__, 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",
__func__, 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", __func__, 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", __func__, pslv));
return;
}
}
rpwm = pslv | pwrpriv->tog;
/* 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;
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
("rtw_set_rpwm: rpwm = 0x%02x cpwm = 0x%02x\n", rpwm, pwrpriv->cpwm));
pwrpriv->rpwm = pslv;
cpwm_orig = 0;
if (rpwm & PS_ACK)
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
if (rpwm & PS_ACK)
_set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS);
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
pwrpriv->tog += 0x80;
/* No LPS 32K, No Ack */
if (rpwm & PS_ACK) {
unsigned long start_time;
u8 cpwm_now;
u8 poll_cnt = 0;
start_time = jiffies;
/* polling cpwm */
do {
mdelay(1);
poll_cnt++;
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;
break;
}
if (jiffies_to_msecs(jiffies - start_time) > LPS_RPWM_WAIT_MS) {
DBG_871X("%s: polling cpwm timeout! poll_cnt =%d, cpwm_orig =%02x, cpwm_now =%02x\n", __func__, poll_cnt, cpwm_orig, cpwm_now);
_set_timer(&pwrpriv->pwr_rpwm_timer, 1);
break;
}
} while (1);
} else
pwrpriv->cpwm = pslv;
}
static u8 PS_RDY_CHECK(struct adapter *padapter)
{
unsigned long curr_time, delta_time;
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
#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 = jiffies;
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)
|| rtw_is_scan_deny(padapter)
)
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, const char *msg)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
struct debug_priv *pdbgpriv = &padapter->dvobj->drv_dbg;
#endif
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
("%s: PowerMode =%d Smart_PS =%d\n",
__func__, 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;
down(&pwrpriv->lock);
/* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */
if (ps_mode == PS_MODE_ACTIVE) {
if (1
&& (((rtw_btcoex_IsBtControlLps(padapter) == false)
)
|| ((rtw_btcoex_IsBtControlLps(padapter) == true)
&& (rtw_btcoex_IsLpsOn(padapter) == false))
)
) {
DBG_871X(FUNC_ADPT_FMT" Leave 802.11 power save - %s\n",
FUNC_ADPT_ARG(padapter), msg);
pwrpriv->pwr_mode = ps_mode;
rtw_set_rpwm(padapter, PS_STATE_S4);
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
if (pwrpriv->wowlan_mode == true ||
pwrpriv->wowlan_ap_mode == true) {
unsigned long start_time;
u32 delay_ms;
u8 val8;
delay_ms = 20;
start_time = jiffies;
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 (jiffies_to_msecs(jiffies - start_time) > delay_ms) {
DBG_871X("%s: Wait for FW 32K leave more than %u ms!!!\n",
__func__, delay_ms);
pdbgpriv->dbg_wow_leave_ps_fail_cnt++;
break;
}
msleep(1);
} while (1);
}
#endif
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
pwrpriv->bFwCurrentInPSMode = false;
rtw_btcoex_LpsNotify(padapter, ps_mode);
}
} else{
if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE))
|| ((rtw_btcoex_IsBtControlLps(padapter) == true)
&& (rtw_btcoex_IsLpsOn(padapter) == true))
) {
u8 pslv;
DBG_871X(FUNC_ADPT_FMT" Enter 802.11 power save - %s\n",
FUNC_ADPT_ARG(padapter), msg);
rtw_btcoex_LpsNotify(padapter, ps_mode);
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));
pslv = PS_STATE_S2;
if (pwrpriv->alives == 0)
pslv = PS_STATE_S0;
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;
}
rtw_set_rpwm(padapter, pslv);
}
}
up(&pwrpriv->lock);
}
/*
* Return:
*0: Leave OK
*-1: Timeout
*-2: Other error
*/
s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
{
unsigned long start_time;
u8 bAwake = false;
s32 err = 0;
start_time = jiffies;
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", __func__);
break;
}
if (jiffies_to_msecs(jiffies - start_time) > delay_ms) {
err = -1;
DBG_871X("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
break;
}
msleep(1);
}
return err;
}
/* */
/* Description: */
/* Enter the leisure power save mode. */
/* */
void LPS_Enter(struct adapter *padapter, const char *msg)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
int n_assoc_iface = 0;
char buf[32] = {0};
if (rtw_btcoex_IsBtControlLps(padapter) == true)
return;
/* Skip lps enter request if number of assocated adapters is not 1 */
if (check_fwstate(&(dvobj->padapters->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;
if (PS_RDY_CHECK(dvobj->padapters) == 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) {
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"); */
}
/* */
/* Description: */
/* Leave the leisure power save mode. */
/* */
void LPS_Leave(struct adapter *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);
char buf[32] = {0};
/* DBG_871X("+LeisurePSLeave\n"); */
if (rtw_btcoex_IsBtControlLps(padapter) == true)
return;
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;
/* DBG_871X("-LeisurePSLeave\n"); */
}
void LeaveAllPowerSaveModeDirect(struct adapter *Adapter)
{
struct adapter *pri_padapter = GET_PRIMARY_ADAPTER(Adapter);
struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter);
DBG_871X("%s.....\n", __func__);
if (true == Adapter->bSurpriseRemoved) {
DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n",
FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved);
return;
}
if ((check_fwstate(pmlmepriv, _FW_LINKED) == true)) { /* connect */
if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
DBG_871X("%s: Driver Already Leave LPS\n", __func__);
return;
}
down(&pwrpriv->lock);
rtw_set_rpwm(Adapter, PS_STATE_S4);
up(&pwrpriv->lock);
rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0);
} else{
if (pwrpriv->rf_pwrstate == rf_off)
if (false == ips_leave(pri_padapter))
DBG_871X("======> ips_leave fail.............\n");
}
}
/* */
/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
/* Move code to function by tynli. 2010.03.26. */
/* */
void LeaveAllPowerSaveMode(struct adapter *Adapter)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter);
u8 enqueue = 0;
int n_assoc_iface = 0;
if (!Adapter->bup) {
DBG_871X(FUNC_ADPT_FMT ": bup =%d Skip!\n",
FUNC_ADPT_ARG(Adapter), Adapter->bup);
return;
}
if (Adapter->bSurpriseRemoved) {
DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n",
FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved);
return;
}
if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE))
n_assoc_iface++;
if (n_assoc_iface) { /* connect */
enqueue = 1;
rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
LPS_Leave_check(Adapter);
} else {
if (adapter_to_pwrctl(Adapter)->rf_pwrstate == rf_off) {
if (false == ips_leave(Adapter))
DBG_871X("======> ips_leave fail.............\n");
}
}
}
void LPS_Leave_check(
struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv;
unsigned long start_time;
u8 bReady;
pwrpriv = adapter_to_pwrctl(padapter);
bReady = false;
start_time = jiffies;
yield();
while (1) {
down(&pwrpriv->lock);
if ((padapter->bSurpriseRemoved == true)
|| (padapter->hw_init_completed == false)
|| (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
)
bReady = true;
up(&pwrpriv->lock);
if (true == bReady)
break;
if (jiffies_to_msecs(jiffies - start_time) > 100) {
DBG_871X("Wait for cpwm event than 100 ms!!!\n");
break;
}
msleep(1);
}
}
/*
* 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(
struct adapter *padapter,
struct reportpwrstate_parm *preportpwrstate)
{
struct pwrctrl_priv *pwrpriv;
pwrpriv = adapter_to_pwrctl(padapter);
down(&pwrpriv->lock);
if (pwrpriv->rpwm < PS_STATE_S2) {
DBG_871X("%s: Redundant CPWM Int. RPWM = 0x%02X CPWM = 0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
up(&pwrpriv->lock);
goto exit;
}
pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
if (pwrpriv->cpwm >= PS_STATE_S2) {
if (pwrpriv->alives & CMD_ALIVE)
up(&padapter->cmdpriv.cmd_queue_sema);
if (pwrpriv->alives & XMIT_ALIVE)
up(&padapter->xmitpriv.xmit_sema);
}
up(&pwrpriv->lock);
exit:
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
("cpwm_int_hdl: cpwm = 0x%02x\n", pwrpriv->cpwm));
}
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);
struct adapter *adapter = dvobj->if1;
struct reportpwrstate_parm report;
/* DBG_871X("%s\n", __func__); */
report.state = PS_STATE_S2;
cpwm_int_hdl(adapter, &report);
}
static void rpwmtimeout_workitem_callback(struct work_struct *work)
{
struct adapter *padapter;
struct dvobj_priv *dvobj;
struct pwrctrl_priv *pwrpriv;
pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
dvobj = pwrctl_to_dvobj(pwrpriv);
padapter = dvobj->if1;
/* DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
down(&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;
}
up(&pwrpriv->lock);
if (rtw_read8(padapter, 0x100) != 0xEA) {
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);
return;
}
down(&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:
up(&pwrpriv->lock);
}
/*
* This function is a timer handler, can't do any IO in it.
*/
static void pwr_rpwm_timeout_handler(void *FunctionContext)
{
struct adapter *padapter;
struct pwrctrl_priv *pwrpriv;
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);
}
static __inline void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
{
pwrctrl->alives |= tag;
}
static __inline 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(struct adapter *padapter, u32 task)
{
s32 res;
struct pwrctrl_priv *pwrctrl;
u8 pslv;
res = _SUCCESS;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S2;
down(&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",
__func__, 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);
}
}
up(&pwrctrl->lock);
if (_FAIL == res)
if (pwrctrl->cpwm >= PS_STATE_S2)
res = _SUCCESS;
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(struct adapter *padapter, u32 task)
{
struct pwrctrl_priv *pwrctrl;
u8 pslv;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S0;
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;
}
down(&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",
__func__, pwrctrl->cpwm, pwrctrl->alives));
if (pwrctrl->cpwm > pslv)
if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
rtw_set_rpwm(padapter, pslv);
}
up(&pwrctrl->lock);
}
/*
* 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(struct adapter *padapter)
{
s32 res;
struct pwrctrl_priv *pwrctrl;
u8 pslv;
res = _SUCCESS;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S2;
down(&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);
}
}
up(&pwrctrl->lock);
if (_FAIL == res)
if (pwrctrl->cpwm >= PS_STATE_S2)
res = _SUCCESS;
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(struct adapter *padapter)
{
s32 res;
struct pwrctrl_priv *pwrctrl;
u8 pslv;
res = _SUCCESS;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S2;
down(&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);
}
}
up(&pwrctrl->lock);
if (_FAIL == res)
if (pwrctrl->cpwm >= PS_STATE_S2)
res = _SUCCESS;
return res;
}
/*
* 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(struct adapter *padapter)
{
struct pwrctrl_priv *pwrctrl;
u8 pslv;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S0;
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;
}
down(&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",
__func__, pwrctrl->cpwm, pwrctrl->alives));
if (pwrctrl->cpwm > pslv)
if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
rtw_set_rpwm(padapter, pslv);
}
up(&pwrctrl->lock);
}
/*
* 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(struct adapter *padapter)
{
struct pwrctrl_priv *pwrctrl;
u8 pslv;
pwrctrl = adapter_to_pwrctl(padapter);
pslv = PS_STATE_S0;
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;
}
down(&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",
__func__, pwrctrl->cpwm, pwrctrl->alives));
if (pwrctrl->cpwm > pslv) {
if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
rtw_set_rpwm(padapter, pslv);
}
}
up(&pwrctrl->lock);
}
void rtw_init_pwrctrl_priv(struct adapter *padapter)
{
struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
sema_init(&pwrctrlpriv->lock, 1);
sema_init(&pwrctrlpriv->check_32k_lock, 1);
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;
pwrctrlpriv->LpsIdleCount = 0;
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;
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
_init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
pwrctrlpriv->brpwmtimeout = false;
_init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
_init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter);
rtw_init_timer(&pwrctrlpriv->pwr_state_check_timer, padapter, pwr_state_check_handler);
pwrctrlpriv->wowlan_mode = false;
pwrctrlpriv->wowlan_ap_mode = false;
#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
}
void rtw_free_pwrctrl_priv(struct adapter *adapter)
{
/* memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); */
#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
}
inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(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 dvobj_priv *dvobj = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
struct mlme_priv *pmlmepriv;
int ret = _SUCCESS;
unsigned long start = jiffies;
unsigned long deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
/* for LPS */
LeaveAllPowerSaveMode(padapter);
/* IPS still bound with primary adapter */
padapter = GET_PRIMARY_ADAPTER(padapter);
pmlmepriv = &padapter->mlmepriv;
if (time_before(pwrpriv->ips_deny_time, deny_time))
pwrpriv->ips_deny_time = deny_time;
if (pwrpriv->ps_processing) {
DBG_871X("%s wait ps_processing...\n", __func__);
while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000)
msleep(10);
if (pwrpriv->ps_processing)
DBG_871X("%s wait ps_processing timeout\n", __func__);
else
DBG_871X("%s wait ps_processing done\n", __func__);
}
if (pwrpriv->bInternalAutoSuspend == false && pwrpriv->bInSuspend) {
DBG_871X("%s wait bInSuspend...\n", __func__);
while (pwrpriv->bInSuspend
&& jiffies_to_msecs(jiffies - start) <= 3000
) {
msleep(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) {
ret = _SUCCESS;
goto exit;
}
if (rf_off == pwrpriv->rf_pwrstate) {
{
DBG_8192C("%s call ips_leave....\n", __func__);
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:
deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
if (time_before(pwrpriv->ips_deny_time, deny_time))
pwrpriv->ips_deny_time = deny_time;
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", __func__, 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", __func__, "IPS_NONE");
if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter)))
return -EFAULT;
} else
return -EINVAL;
return 0;
}
/*
* ATTENTION:
*This function will request pwrctrl LOCK!
*/
void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason)
{
struct pwrctrl_priv *pwrpriv;
/* 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);
down(&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);
up(&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(struct adapter *padapter, enum 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);
down(&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);
up(&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(struct adapter *padapter)
{
u32 deny;
deny = adapter_to_pwrctl(padapter)->ps_deny;
return deny;
}