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rtw_pwrctrl.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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 <hal_data.h>
#include <hal_com_h2c.h>
#ifdef DBG_CHECK_FW_PS_STATE
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;
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)) {
RTW_INFO("%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;
}
#if defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C) || defined(CONFIG_RTL8822C)
rtw_hal_get_hwreg(padapter, HW_VAR_FW_PS_STATE, (u8 *)&fw_ps_state);
if ((fw_ps_state & BIT_LPS_STATUS) == 0)
ret = _SUCCESS;
else {
pdbgpriv->dbg_poll_fail_cnt++;
RTW_INFO("%s: fw_ps_state=%04x\n", __FUNCTION__, fw_ps_state);
}
#else
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++;
RTW_INFO("%s: fw_ps_state=%04x\n", __FUNCTION__, fw_ps_state);
}
}
#endif
exit_fw_ps_state:
_exit_pwrlock(&pwrpriv->check_32k_lock);
return ret;
}
#endif /*DBG_CHECK_FW_PS_STATE*/
#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++;
RTW_INFO("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts);
if (rf_off == pwrpriv->change_rfpwrstate) {
pwrpriv->bpower_saving = _TRUE;
RTW_PRINT("nolinked power save enter\n");
if (pwrpriv->ips_mode == IPS_LEVEL_2)
pwrpriv->bkeepfwalive = _TRUE;
#ifdef CONFIG_RTW_CFGVEDNOR_LLSTATS
pwrpriv->pwr_saving_start_time = rtw_get_current_time();
#endif /* CONFIG_RTW_CFGVEDNOR_LLSTATS */
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++;
RTW_INFO("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts);
result = rtw_ips_pwr_up(padapter);
if (result == _SUCCESS)
pwrpriv->rf_pwrstate = rf_on;
#ifdef CONFIG_RTW_CFGVEDNOR_LLSTATS
pwrpriv->pwr_saving_time += rtw_get_passing_time_ms(pwrpriv->pwr_saving_start_time);
#endif /* CONFIG_RTW_CFGVEDNOR_LLSTATS */
RTW_PRINT("nolinked power save leave\n");
RTW_INFO("==> 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);
#ifdef DBG_CHECK_FW_PS_STATE
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
#endif
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) {
RTW_INFO("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_dm_reset(&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)
{
u8 i;
_adapter *iface;
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
struct mlme_priv *pmlmepriv;
#ifdef CONFIG_P2P
struct wifidirect_info *pwdinfo;
#endif
bool ret = _FALSE;
if (adapter_to_pwrctl(adapter)->bpower_saving == _TRUE) {
/* RTW_INFO("%s: already in LPS or IPS mode\n", __func__); */
goto exit;
}
if (rtw_time_after(adapter_to_pwrctl(adapter)->ips_deny_time, rtw_get_current_time())) {
/* RTW_INFO("%s ips_deny_time\n", __func__); */
goto exit;
}
for (i = 0; i < dvobj->iface_nums; i++) {
iface = dvobj->padapters[i];
if ((iface) && rtw_is_adapter_up(iface)) {
pmlmepriv = &(iface->mlmepriv);
#ifdef CONFIG_P2P
pwdinfo = &(iface->wdinfo);
#endif
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE | WIFI_SITE_MONITOR)
|| check_fwstate(pmlmepriv, WIFI_UNDER_LINKING | WIFI_UNDER_WPS)
|| MLME_IS_AP(iface)
|| MLME_IS_MESH(iface)
|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE)
|| check_fwstate(pmlmepriv, WIFI_MONITOR_STATE)
#if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
|| rtw_cfg80211_get_is_roch(iface) == _TRUE
|| (rtw_cfg80211_is_ro_ch_once(adapter)
&& rtw_cfg80211_get_last_ro_ch_passing_ms(adapter) < 3000)
#elif defined(CONFIG_P2P)
|| rtw_p2p_chk_state(pwdinfo, P2P_STATE_IDLE)
|| rtw_p2p_chk_state(pwdinfo, P2P_STATE_LISTEN)
#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) {
RTW_PRINT("There are some pkts to transmit\n");
RTW_PRINT("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)
{
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 & (~(1<<PS_DENY_MONITOR_MODE))) != 0) {
RTW_INFO(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++;
RTW_INFO("%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;
/* RTW_INFO("==> 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);
RTW_INFO("@@@@- #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);
RTW_INFO("@@@@- #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);
}
RTW_INFO("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)) {
RTW_INFO("==>%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)
RTW_INFO("<==%s .pwrpriv->bInternalAutoSuspend)(%x)\n", __FUNCTION__, pwrpriv->bInternalAutoSuspend);
else {
pwrpriv->change_rfpwrstate = rf_off;
RTW_INFO("<==%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(void *ctx)
{
_adapter *padapter = (_adapter *)ctx;
rtw_ps_cmd(padapter);
}
#ifdef CONFIG_LPS
#ifdef CONFIG_CHECK_LEAVE_LPS
#ifdef CONFIG_LPS_CHK_BY_TP
void traffic_check_for_leave_lps_by_tp(PADAPTER padapter, u8 tx, struct sta_info *sta)
{
struct stainfo_stats *pstats = &sta->sta_stats;
u64 cur_acc_tx_bytes = 0, cur_acc_rx_bytes = 0;
u32 tx_tp_kbyte = 0, rx_tp_kbyte = 0;
u32 tx_tp_th = 0, rx_tp_th = 0;
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
u8 leave_lps = _FALSE;
if (tx) { /* from tx */
cur_acc_tx_bytes = pstats->tx_bytes - pstats->acc_tx_bytes;
tx_tp_kbyte = cur_acc_tx_bytes >> 10;
tx_tp_th = pwrpriv->lps_tx_tp_th * 1024 / 8 * 2; /*KBytes @2s*/
if (tx_tp_kbyte >= tx_tp_th ||
padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod >= pwrpriv->lps_tx_pkts){
if (pwrpriv->bLeisurePs
&& (pwrpriv->pwr_mode != PS_MODE_ACTIVE)
#ifdef CONFIG_BT_COEXIST
&& (rtw_btcoex_IsBtControlLps(padapter) == _FALSE)
#endif
) {
leave_lps = _TRUE;
}
}
} else { /* from rx path */
cur_acc_rx_bytes = pstats->rx_bytes - pstats->acc_rx_bytes;
rx_tp_kbyte = cur_acc_rx_bytes >> 10;
rx_tp_th = pwrpriv->lps_rx_tp_th * 1024 / 8 * 2;
if (rx_tp_kbyte>= rx_tp_th ||
padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod >= pwrpriv->lps_rx_pkts) {
if (pwrpriv->bLeisurePs
&& (pwrpriv->pwr_mode != PS_MODE_ACTIVE)
#ifdef CONFIG_BT_COEXIST
&& (rtw_btcoex_IsBtControlLps(padapter) == _FALSE)
#endif
) {
leave_lps = _TRUE;
}
}
}
if (leave_lps) {
#ifdef DBG_LPS_CHK_BY_TP
RTW_INFO("leave lps via %s, ", tx ? "Tx" : "Rx");
if (tx)
RTW_INFO("Tx = %d [%d] (KB)\n", tx_tp_kbyte, tx_tp_th);
else
RTW_INFO("Rx = %d [%d] (KB)\n", rx_tp_kbyte, rx_tp_th);
#endif
pwrpriv->lps_chk_cnt = pwrpriv->lps_chk_cnt_th;
/* 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, 1);
}
}
#endif /*CONFIG_LPS_CHK_BY_TP*/
void traffic_check_for_leave_lps(PADAPTER padapter, u8 tx, u32 tx_packets)
{
static systime 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
) {
/* RTW_INFO("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
) {
/* RTW_INFO("leave lps via Rx = %d\n", pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); */
bLeaveLPS = _TRUE;
}
}
}
if (bLeaveLPS) {
/* RTW_INFO("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 */
#ifdef CONFIG_LPS_LCLK
#define LPS_CPWM_TIMEOUT_MS 10 /*ms*/
#define LPS_RPWM_RETRY_CNT 3
u8 rtw_cpwm_polling(_adapter *adapter, u8 rpwm, u8 cpwm_orig)
{
u8 rst = _FAIL;
u8 cpwm_now = 0;
systime start_time;
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter);
#ifdef DBG_CHECK_FW_PS_STATE
struct debug_priv *pdbgpriv = &(adapter_to_dvobj(adapter)->drv_dbg);
#endif
pwrpriv->rpwm_retry = 0;
do {
start_time = rtw_get_current_time();
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;
rst = _SUCCESS;
break;
}
} while (rtw_get_passing_time_ms(start_time) < LPS_CPWM_TIMEOUT_MS && !RTW_CANNOT_RUN(adapter));
if (rst == _SUCCESS)
break;
else {
/* rpwm retry */
cpwm_orig = cpwm_now;
rpwm &= ~PS_TOGGLE;
rpwm |= pwrpriv->tog;
rtw_hal_set_hwreg(adapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
pwrpriv->tog += 0x80;
}
} while (pwrpriv->rpwm_retry++ < LPS_RPWM_RETRY_CNT && !RTW_CANNOT_RUN(adapter));
if (rst == _SUCCESS) {
#ifdef DBG_CHECK_FW_PS_STATE
RTW_INFO("%s: polling cpwm OK! rpwm_retry=%d, cpwm_orig=%02x, cpwm_now=%02x , 0x100=0x%x\n"
, __func__, pwrpriv->rpwm_retry, cpwm_orig, cpwm_now, rtw_read8(adapter, REG_CR));
if (rtw_fw_ps_state(adapter) == _FAIL) {
RTW_INFO("leave 32k but fw state in 32k\n");
pdbgpriv->dbg_rpwm_toogle_cnt++;
}
#endif /* DBG_CHECK_FW_PS_STATE */
} else {
RTW_ERR("%s: polling cpwm timeout! rpwm_retry=%d, cpwm_orig=%02x, cpwm_now=%02x\n"
, __func__, pwrpriv->rpwm_retry, cpwm_orig, cpwm_now);
#ifdef DBG_CHECK_FW_PS_STATE
if (rtw_fw_ps_state(adapter) == _FAIL) {
RTW_INFO("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 */
}
return rst;
}
#endif
/*
* 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
*
*/
u8 rtw_set_rpwm(PADAPTER padapter, u8 pslv)
{
u8 rpwm = 0xFF;
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
#ifdef CONFIG_LPS_LCLK
u8 cpwm_orig;
#endif
pslv = PS_STATE(pslv);
#ifdef CONFIG_LPS_RPWM_TIMER
if (pwrpriv->brpwmtimeout == _TRUE)
RTW_INFO("%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
|| (pwrpriv->lps_level == LPS_NORMAL)
) {
return rpwm;
}
}
if (rtw_is_surprise_removed(padapter) ||
(!rtw_is_hw_init_completed(padapter))) {
pwrpriv->cpwm = PS_STATE_S4;
return rpwm;
}
if (rtw_is_drv_stopped(padapter))
if (pslv < PS_STATE_S2)
return rpwm;
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
pwrpriv->rpwm = pslv;
#ifdef CONFIG_LPS_LCLK
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) {
#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)
#endif
_set_timer(&pwrpriv->pwr_rpwm_timer, LPS_CPWM_TIMEOUT_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
rtw_cpwm_polling(padapter, rpwm, cpwm_orig);
#else
#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)
rtw_cpwm_polling(padapter, rpwm, cpwm_orig);
#endif /*#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) || defined(CONFIG_P2P_WOWLAN)*/
#endif /*#ifdef CONFIG_DETECT_CPWM_BY_POLLING*/
} else
#endif /* CONFIG_LPS_LCLK */
{
pwrpriv->cpwm = pslv;
}
return rpwm;
}
u8 PS_RDY_CHECK(_adapter *padapter)
{
u32 delta_ms;
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
delta_ms = rtw_get_passing_time_ms(pwrpriv->DelayLPSLastTimeStamp);
if (delta_ms < LPS_DELAY_MS)
return _FALSE;
if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)
|| check_fwstate(pmlmepriv, WIFI_UNDER_LINKING | WIFI_UNDER_WPS)
|| MLME_IS_AP(padapter)
|| MLME_IS_MESH(padapter)
|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE)
|| check_fwstate(pmlmepriv, WIFI_MONITOR_STATE)
#if defined(CONFIG_P2P) && defined(CONFIG_IOCTL_CFG80211)
|| rtw_cfg80211_get_is_roch(padapter) == _TRUE
#endif
|| rtw_is_scan_deny(padapter)
#ifdef CONFIG_TDLS
/* TDLS link is established. */
|| (padapter->tdlsinfo.link_established == _TRUE)
#endif /* CONFIG_TDLS */
#ifdef CONFIG_DFS_MASTER
|| adapter_to_rfctl(padapter)->radar_detect_enabled
#endif
)
return _FALSE;
if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == _FALSE)) {
RTW_INFO("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;
systime start_time;
u8 val8 = 0;
u8 cpwm_orig = 0, cpwm_now = 0;
u8 parm[H2C_INACTIVE_PS_LEN] = {0};
if (padapter->netif_up == _FALSE) {
RTW_INFO("%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 */
RTW_INFO("%s: issue H2C to FW when entering IPS\n", __func__);
parm[0] = 0x1;/* suggest by Isaac.Hsu*/
#ifdef CONFIG_PNO_SUPPORT
if (pwrpriv->pno_inited) {
parm[1] = pwrpriv->pnlo_info->fast_scan_iterations;
parm[2] = pwrpriv->pnlo_info->slow_scan_period;
}
#endif
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++;
RTW_INFO("%s polling REG_HMETFR=0x%x, cnt=%d\n",
__func__, val8, cnt);
rtw_mdelay_os(10);
} while (cnt < 100 && (val8 != 0));
#ifdef CONFIG_LPS_LCLK
/* H2C done, enter 32k */
if (val8 == 0) {
/* ser rpwm to enter 32k */
rtw_hal_get_hwreg(padapter, HW_VAR_RPWM_TOG, &val8);
RTW_INFO("%s: read rpwm=%02x\n", __FUNCTION__, val8);
val8 += 0x80;
val8 |= BIT(0);
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&val8));
RTW_INFO("%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++;
RTW_INFO("%s polling 0x100=0x%x, cnt=%d\n",
__func__, val8, cnt);
RTW_INFO("%s 0x08:%02x, 0x03:%02x\n",
__func__,
rtw_read8(padapter, 0x08),
rtw_read8(padapter, 0x03));
rtw_mdelay_os(10);
} while (cnt < 20 && (val8 != 0xEA));
}
}
#endif
} else {
/* Leave IPS */
RTW_INFO("%s: Leaving IPS in FWLPS state\n", __func__);
#ifdef CONFIG_LPS_LCLK
/* for polling cpwm */
cpwm_orig = 0;
rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
/* ser rpwm */
rtw_hal_get_hwreg(padapter, HW_VAR_RPWM_TOG, &val8);
val8 += 0x80;
val8 |= BIT(6);
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&val8));
RTW_INFO("%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) {
RTW_INFO("%s: polling cpwm timeout when leaving IPS in FWLPS state\n", __FUNCTION__);
break;
}
} while (1);
#endif
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 mlme_priv *pmlmepriv = &(padapter->mlmepriv);
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) || defined(CONFIG_P2P_WOWLAN)
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
#endif
#ifdef CONFIG_WMMPS_STA
struct registry_priv *pregistrypriv = &padapter->registrypriv;
#endif
#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 */
#ifdef CONFIG_LPS_PG
u8 lps_pg_hdl_id = 0;
#endif
if (ps_mode > PM_Card_Disable) {
return;
}
if (pwrpriv->pwr_mode == ps_mode) {
if (PS_MODE_ACTIVE == ps_mode)
return;
#ifndef CONFIG_BT_COEXIST
#ifdef CONFIG_WMMPS_STA
if (!rtw_is_wmmps_mode(padapter))
#endif /* CONFIG_WMMPS_STA */
if ((pwrpriv->smart_ps == smart_ps) &&
(pwrpriv->bcn_ant_mode == bcn_ant_mode))
return;
#endif /* !CONFIG_BT_COEXIST */
}
#ifdef CONFIG_FW_MULTI_PORT_SUPPORT
if (PS_MODE_ACTIVE != ps_mode) {
rtw_set_ps_rsvd_page(padapter);
rtw_set_default_port_id(padapter);
}
#endif
#ifdef CONFIG_LPS_PG
if ((PS_MODE_ACTIVE != ps_mode) && (pwrpriv->blpspg_info_up)) {
/*rtw_hal_set_lps_pg_info(padapter);*/
lps_pg_hdl_id = LPS_PG_INFO_CFG;
rtw_hal_set_hwreg(padapter, HW_VAR_LPS_PG_HANDLE, (u8 *)(&lps_pg_hdl_id));
}
#endif
#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 */
) {
RTW_INFO(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->cmn.mac_addr, 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) {
systime start_time;
u32 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) {
RTW_INFO("%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
#ifdef CONFIG_LPS_PG
if (pwrpriv->lps_level == LPS_PG) {
lps_pg_hdl_id = LPS_PG_REDLEMEM;
rtw_hal_set_hwreg(padapter, HW_VAR_LPS_PG_HANDLE, (u8 *)(&lps_pg_hdl_id));
}
#endif
#ifdef CONFIG_WOWLAN
if (pwrpriv->wowlan_mode == _TRUE)
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_INACTIVE_IPS, (u8 *)(&ps_mode));