607 lines
16 KiB
C
607 lines
16 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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******************************************************************************/
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#define _RTW_PWRCTRL_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <osdep_intf.h>
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#include <rtl8723a_cmd.h>
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#include <rtw_sreset.h>
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#include <rtl8723a_bt_intf.h>
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#include <usb_ops_linux.h>
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void ips_enter23a(struct rtw_adapter *padapter)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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down(&pwrpriv->lock);
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pwrpriv->bips_processing = true;
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/* syn ips_mode with request */
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pwrpriv->ips_mode = pwrpriv->ips_mode_req;
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pwrpriv->ips_enter23a_cnts++;
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DBG_8723A("==>ips_enter23a cnts:%d\n", pwrpriv->ips_enter23a_cnts);
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rtl8723a_BT_disable_coexist(padapter);
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if (pwrpriv->change_rfpwrstate == rf_off) {
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pwrpriv->bpower_saving = true;
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DBG_8723A_LEVEL(_drv_always_, "nolinked power save enter\n");
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if (pwrpriv->ips_mode == IPS_LEVEL_2)
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pwrpriv->bkeepfwalive = true;
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rtw_ips_pwr_down23a(padapter);
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pwrpriv->rf_pwrstate = rf_off;
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}
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pwrpriv->bips_processing = false;
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up(&pwrpriv->lock);
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}
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int ips_leave23a(struct rtw_adapter *padapter)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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int result = _SUCCESS;
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int keyid;
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down(&pwrpriv->lock);
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if (pwrpriv->rf_pwrstate == rf_off && !pwrpriv->bips_processing) {
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pwrpriv->bips_processing = true;
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pwrpriv->change_rfpwrstate = rf_on;
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pwrpriv->ips_leave23a_cnts++;
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DBG_8723A("==>ips_leave23a cnts:%d\n",
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pwrpriv->ips_leave23a_cnts);
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result = rtw_ips_pwr_up23a(padapter);
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if (result == _SUCCESS)
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pwrpriv->rf_pwrstate = rf_on;
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DBG_8723A_LEVEL(_drv_always_, "nolinked power save leave\n");
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if (psecuritypriv->dot11PrivacyAlgrthm ==
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WLAN_CIPHER_SUITE_WEP40 ||
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psecuritypriv->dot11PrivacyAlgrthm ==
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WLAN_CIPHER_SUITE_WEP104) {
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DBG_8723A("==>%s, channel(%d), processing(%x)\n",
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__func__, padapter->mlmeextpriv.cur_channel,
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pwrpriv->bips_processing);
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set_channel_bwmode23a(padapter,
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padapter->mlmeextpriv.cur_channel,
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HAL_PRIME_CHNL_OFFSET_DONT_CARE,
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HT_CHANNEL_WIDTH_20);
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for (keyid = 0; keyid < 4; keyid++) {
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if (pmlmepriv->key_mask & BIT(keyid)) {
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if (keyid ==
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psecuritypriv->dot11PrivacyKeyIndex)
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result = rtw_set_key23a(padapter, psecuritypriv, keyid, 1);
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else
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result = rtw_set_key23a(padapter, psecuritypriv, keyid, 0);
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}
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}
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}
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DBG_8723A("==> ips_leave23a.....LED(0x%08x)...\n",
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rtl8723au_read32(padapter, 0x4c));
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pwrpriv->bips_processing = false;
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pwrpriv->bkeepfwalive = false;
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pwrpriv->bpower_saving = false;
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}
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up(&pwrpriv->lock);
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return result;
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}
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static bool rtw_pwr_unassociated_idle(struct rtw_adapter *adapter)
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{
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struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
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struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
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bool ret = false;
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if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
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goto exit;
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if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
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check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
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check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
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check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)){
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goto exit;
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}
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if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
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pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
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DBG_8723A_LEVEL(_drv_always_,
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"There are some pkts to transmit\n");
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DBG_8723A_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, "
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"free_xmit_extbuf_cnt: %d\n",
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pxmit_priv->free_xmitbuf_cnt,
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pxmit_priv->free_xmit_extbuf_cnt);
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goto exit;
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}
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ret = true;
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exit:
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return ret;
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}
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void rtw_ps_processor23a(struct rtw_adapter *padapter)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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pwrpriv->ps_processing = true;
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if (pwrpriv->bips_processing == true)
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goto exit;
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if (pwrpriv->ips_mode_req == IPS_NONE)
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goto exit;
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if (!rtw_pwr_unassociated_idle(padapter))
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goto exit;
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if (pwrpriv->rf_pwrstate == rf_on &&
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(pwrpriv->pwr_state_check_cnts % 4) == 0) {
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DBG_8723A("==>%s .fw_state(%x)\n", __func__,
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get_fwstate(pmlmepriv));
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pwrpriv->change_rfpwrstate = rf_off;
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ips_enter23a(padapter);
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}
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exit:
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rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
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pwrpriv->ps_processing = false;
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}
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static void pwr_state_check_handler(unsigned long data)
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{
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struct rtw_adapter *padapter = (struct rtw_adapter *)data;
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rtw_ps_cmd23a(padapter);
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}
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/*
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*
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* Parameters
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* padapter
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* pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
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*
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*/
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void rtw_set_rpwm23a(struct rtw_adapter *padapter, u8 pslv)
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{
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u8 rpwm;
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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pslv = PS_STATE(pslv);
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if (pwrpriv->btcoex_rfon) {
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if (pslv < PS_STATE_S4)
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pslv = PS_STATE_S3;
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}
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if (pwrpriv->rpwm == pslv) {
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
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"%s: Already set rpwm[0x%02X], new = 0x%02X!\n",
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__func__, pwrpriv->rpwm, pslv);
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return;
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}
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if (padapter->bSurpriseRemoved == true ||
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padapter->hw_init_completed == false) {
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
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"%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
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__func__, padapter->bSurpriseRemoved,
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padapter->hw_init_completed);
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pwrpriv->cpwm = PS_STATE_S4;
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return;
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}
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if (padapter->bDriverStopped == true) {
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
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"%s: change power state(0x%02X) when DriverStopped\n",
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__func__, pslv);
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if (pslv < PS_STATE_S2) {
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
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"%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n",
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__func__, pslv);
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return;
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}
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}
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rpwm = pslv | pwrpriv->tog;
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
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"rtw_set_rpwm23a: rpwm = 0x%02x cpwm = 0x%02x\n",
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rpwm, pwrpriv->cpwm);
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pwrpriv->rpwm = pslv;
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rtl8723a_set_rpwm(padapter, rpwm);
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pwrpriv->tog += 0x80;
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pwrpriv->cpwm = pslv;
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}
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static bool PS_RDY_CHECK(struct rtw_adapter *padapter)
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{
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unsigned long delta_time;
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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delta_time = jiffies - pwrpriv->DelayLPSLastTimeStamp;
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if (delta_time < LPS_DELAY_TIME)
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return false;
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if (!check_fwstate(pmlmepriv, _FW_LINKED) ||
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check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) ||
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check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
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check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
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check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))
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return false;
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if (pwrpriv->bInSuspend)
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return false;
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if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X &&
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!padapter->securitypriv.binstallGrpkey) {
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DBG_8723A("Group handshake still in progress !!!\n");
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return false;
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}
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if (!rtw_cfg80211_pwr_mgmt(padapter))
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return false;
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return true;
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}
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void rtw_set_ps_mode23a(struct rtw_adapter *padapter, u8 ps_mode,
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u8 smart_ps, u8 bcn_ant_mode)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
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"%s: PowerMode =%d Smart_PS =%d\n",
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__func__, ps_mode, smart_ps);
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if (ps_mode > PM_Card_Disable) {
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RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
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"ps_mode:%d error\n", ps_mode);
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return;
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}
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if (pwrpriv->pwr_mode == ps_mode) {
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if (PS_MODE_ACTIVE == ps_mode)
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return;
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if (pwrpriv->smart_ps == smart_ps &&
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pwrpriv->bcn_ant_mode == bcn_ant_mode)
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return;
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}
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if (ps_mode == PS_MODE_ACTIVE) {
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DBG_8723A("rtw_set_ps_mode23a: Leave 802.11 power save\n");
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pwrpriv->pwr_mode = ps_mode;
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rtw_set_rpwm23a(padapter, PS_STATE_S4);
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rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode);
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pwrpriv->bFwCurrentInPSMode = false;
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} else {
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if (PS_RDY_CHECK(padapter) ||
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rtl8723a_BT_using_antenna_1(padapter)) {
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DBG_8723A("%s: Enter 802.11 power save\n", __func__);
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pwrpriv->bFwCurrentInPSMode = true;
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pwrpriv->pwr_mode = ps_mode;
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pwrpriv->smart_ps = smart_ps;
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pwrpriv->bcn_ant_mode = bcn_ant_mode;
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rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode);
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rtw_set_rpwm23a(padapter, PS_STATE_S2);
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}
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}
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}
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/*
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* Return:
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* 0: Leave OK
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* -1: Timeout
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* -2: Other error
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*/
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s32 LPS_RF_ON_check23a(struct rtw_adapter *padapter, u32 delay_ms)
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{
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unsigned long start_time, end_time;
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u8 bAwake = false;
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s32 err = 0;
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start_time = jiffies;
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end_time = start_time + msecs_to_jiffies(delay_ms);
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while (1) {
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bAwake = rtl8723a_get_fwlps_rf_on(padapter);
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if (bAwake == true)
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break;
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if (padapter->bSurpriseRemoved == true) {
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err = -2;
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DBG_8723A("%s: device surprise removed!!\n", __func__);
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break;
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}
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if (time_after(jiffies, end_time)) {
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err = -1;
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DBG_8723A("%s: Wait for FW LPS leave more than %u "
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"ms!\n", __func__, delay_ms);
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break;
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}
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udelay(100);
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}
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return err;
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}
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/* Description: */
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/* Enter the leisure power save mode. */
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void LPS_Enter23a(struct rtw_adapter *padapter)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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if (!PS_RDY_CHECK(padapter))
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return;
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if (pwrpriv->bLeisurePs) {
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/* Idle for a while if we connect to AP a while ago. */
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if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */
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if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
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pwrpriv->bpower_saving = true;
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DBG_8723A("%s smart_ps:%d\n", __func__,
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pwrpriv->smart_ps);
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/* For Tenda W311R IOT issue */
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rtw_set_ps_mode23a(padapter,
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pwrpriv->power_mgnt,
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pwrpriv->smart_ps, 0);
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}
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} else
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pwrpriv->LpsIdleCount++;
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}
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}
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/* Description: */
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/* Leave the leisure power save mode. */
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void LPS_Leave23a(struct rtw_adapter *padapter)
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{
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#define LPS_LEAVE_TIMEOUT_MS 100
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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if (pwrpriv->bLeisurePs) {
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if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
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rtw_set_ps_mode23a(padapter, PS_MODE_ACTIVE, 0, 0);
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if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
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LPS_RF_ON_check23a(padapter,
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LPS_LEAVE_TIMEOUT_MS);
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}
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}
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pwrpriv->bpower_saving = false;
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}
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/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
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/* Move code to function by tynli. 2010.03.26. */
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void LeaveAllPowerSaveMode23a(struct rtw_adapter *Adapter)
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{
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struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
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u8 enqueue = 0;
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/* DBG_8723A("%s.....\n", __func__); */
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_lps_ctrl_wk_cmd23a(Adapter, LPS_CTRL_LEAVE, enqueue);
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}
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void rtw_init_pwrctrl_priv23a(struct rtw_adapter *padapter)
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{
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struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
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sema_init(&pwrctrlpriv->lock, 1);
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pwrctrlpriv->rf_pwrstate = rf_on;
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pwrctrlpriv->ips_enter23a_cnts = 0;
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pwrctrlpriv->ips_leave23a_cnts = 0;
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pwrctrlpriv->bips_processing = false;
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pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
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pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
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pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
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pwrctrlpriv->pwr_state_check_cnts = 0;
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pwrctrlpriv->bInSuspend = false;
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pwrctrlpriv->bkeepfwalive = false;
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pwrctrlpriv->LpsIdleCount = 0;
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/* PS_MODE_MIN; */
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pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;
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pwrctrlpriv->bLeisurePs =
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(PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false;
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pwrctrlpriv->bFwCurrentInPSMode = false;
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pwrctrlpriv->rpwm = 0;
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pwrctrlpriv->cpwm = PS_STATE_S4;
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pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
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pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
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pwrctrlpriv->bcn_ant_mode = 0;
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pwrctrlpriv->tog = 0x80;
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pwrctrlpriv->btcoex_rfon = false;
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setup_timer(&pwrctrlpriv->pwr_state_check_timer,
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pwr_state_check_handler, (unsigned long)padapter);
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}
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void rtw_free_pwrctrl_priv(struct rtw_adapter *adapter)
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{
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}
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inline void rtw_set_ips_deny23a(struct rtw_adapter *padapter, u32 ms)
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{
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms);
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}
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/*
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* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
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* @adapter: pointer to _adapter structure
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* @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup
|
|
* Return _SUCCESS or _FAIL
|
|
*/
|
|
|
|
int _rtw_pwr_wakeup23a(struct rtw_adapter *padapter, u32 ips_deffer_ms, const char *caller)
|
|
{
|
|
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
|
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
|
int ret = _SUCCESS;
|
|
unsigned long start = jiffies;
|
|
unsigned long new_deny_time;
|
|
|
|
new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
|
|
|
|
if (time_before(pwrpriv->ips_deny_time, new_deny_time))
|
|
pwrpriv->ips_deny_time = new_deny_time;
|
|
|
|
if (pwrpriv->ps_processing) {
|
|
DBG_8723A("%s wait ps_processing...\n", __func__);
|
|
while (pwrpriv->ps_processing &&
|
|
jiffies_to_msecs(jiffies - start) <= 3000)
|
|
msleep(10);
|
|
if (pwrpriv->ps_processing)
|
|
DBG_8723A("%s wait ps_processing timeout\n", __func__);
|
|
else
|
|
DBG_8723A("%s wait ps_processing done\n", __func__);
|
|
}
|
|
|
|
if (rtw_sreset_inprogress(padapter)) {
|
|
DBG_8723A("%s wait sreset_inprogress...\n", __func__);
|
|
while (rtw_sreset_inprogress(padapter) &&
|
|
jiffies_to_msecs(jiffies - start) <= 4000)
|
|
msleep(10);
|
|
if (rtw_sreset_inprogress(padapter))
|
|
DBG_8723A("%s wait sreset_inprogress timeout\n",
|
|
__func__);
|
|
else
|
|
DBG_8723A("%s wait sreset_inprogress done\n", __func__);
|
|
}
|
|
|
|
if (pwrpriv->bInSuspend) {
|
|
DBG_8723A("%s wait bInSuspend...\n", __func__);
|
|
while (pwrpriv->bInSuspend &&
|
|
(jiffies_to_msecs(jiffies - start) <= 3000)) {
|
|
msleep(10);
|
|
}
|
|
if (pwrpriv->bInSuspend)
|
|
DBG_8723A("%s wait bInSuspend timeout\n", __func__);
|
|
else
|
|
DBG_8723A("%s wait bInSuspend done\n", __func__);
|
|
}
|
|
|
|
/* System suspend is not allowed to wakeup */
|
|
if (pwrpriv->bInSuspend) {
|
|
ret = _FAIL;
|
|
goto exit;
|
|
}
|
|
|
|
/* I think this should be check in IPS, LPS, autosuspend functions... */
|
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
|
ret = _SUCCESS;
|
|
goto exit;
|
|
}
|
|
|
|
if (rf_off == pwrpriv->rf_pwrstate) {
|
|
DBG_8723A("%s call ips_leave23a....\n", __func__);
|
|
if (ips_leave23a(padapter)== _FAIL) {
|
|
DBG_8723A("======> ips_leave23a fail.............\n");
|
|
ret = _FAIL;
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
/* TODO: the following checking need to be merged... */
|
|
if (padapter->bDriverStopped || !padapter->bup ||
|
|
!padapter->hw_init_completed) {
|
|
DBG_8723A("%s: bDriverStopped =%d, bup =%d, hw_init_completed "
|
|
"=%u\n", caller, padapter->bDriverStopped,
|
|
padapter->bup, padapter->hw_init_completed);
|
|
ret = _FAIL;
|
|
goto exit;
|
|
}
|
|
|
|
exit:
|
|
new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
|
|
if (time_before(pwrpriv->ips_deny_time, new_deny_time))
|
|
pwrpriv->ips_deny_time = new_deny_time;
|
|
return ret;
|
|
}
|
|
|
|
int rtw_pm_set_lps23a(struct rtw_adapter *padapter, u8 mode)
|
|
{
|
|
int ret = 0;
|
|
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
|
|
|
|
if (mode < PS_MODE_NUM) {
|
|
if (pwrctrlpriv->power_mgnt != mode) {
|
|
if (PS_MODE_ACTIVE == mode)
|
|
LeaveAllPowerSaveMode23a(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_ips23a(struct rtw_adapter *padapter, u8 mode)
|
|
{
|
|
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
|
|
|
|
if (mode != IPS_NORMAL && mode != IPS_LEVEL_2 && mode != IPS_NONE)
|
|
return -EINVAL;
|
|
|
|
pwrctrlpriv->ips_mode_req = mode;
|
|
if (mode == IPS_NONE) {
|
|
DBG_8723A("%s %s\n", __func__, "IPS_NONE");
|
|
if (padapter->bSurpriseRemoved == 0 &&
|
|
rtw_pwr_wakeup(padapter) == _FAIL)
|
|
return -EFAULT;
|
|
}
|
|
|
|
return 0;
|
|
}
|