/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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*
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* Copyright(c) 2016 - 2017 Realtek Corporation.
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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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/* ************************************************************
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* Description:
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*
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* This file is for 8821C dynamic mechanism
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*
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*
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* ************************************************************ */
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#define _RTL8812C_DM_C_
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/* ************************************************************
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* include files
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* ************************************************************
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*/
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#include <drv_types.h>
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#include <rtl8821c_hal.h>
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/* ************************************************************
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* Global var
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* ************************************************************ */
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#ifdef CONFIG_SUPPORT_HW_WPS_PBC
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static void dm_CheckPbcGPIO(PADAPTER adapter)
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{
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u8 tmp1byte;
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u8 bPbcPressed = _FALSE;
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if (!adapter->registrypriv.hw_wps_pbc)
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return;
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#ifdef CONFIG_USB_HCI
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tmp1byte = rtw_read8(adapter, GPIO_IO_SEL);
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tmp1byte |= (HAL_8192C_HW_GPIO_WPS_BIT);
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rtw_write8(adapter, GPIO_IO_SEL, tmp1byte); /* enable GPIO[2] as output mode */
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tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
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rtw_write8(adapter, GPIO_IN, tmp1byte); /* reset the floating voltage level */
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tmp1byte = rtw_read8(adapter, GPIO_IO_SEL);
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tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
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rtw_write8(adapter, GPIO_IO_SEL, tmp1byte); /* enable GPIO[2] as input mode */
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tmp1byte = rtw_read8(adapter, GPIO_IN);
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if (tmp1byte == 0xff)
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return;
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if (tmp1byte & HAL_8192C_HW_GPIO_WPS_BIT)
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bPbcPressed = _TRUE;
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#else
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tmp1byte = rtw_read8(adapter, GPIO_IN);
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if ((tmp1byte == 0xff) || adapter->init_adpt_in_progress)
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return;
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if ((tmp1byte & HAL_8192C_HW_GPIO_WPS_BIT) == 0)
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bPbcPressed = _TRUE;
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#endif
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if (_TRUE == bPbcPressed) {
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/*
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* Here we only set bPbcPressed to true
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* After trigger PBC, the variable will be set to false
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*/
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RTW_INFO("CheckPbcGPIO - PBC is pressed\n");
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rtw_request_wps_pbc_event(adapter);
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}
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}
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#endif /* CONFIG_SUPPORT_HW_WPS_PBC */
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#ifdef CONFIG_PCI_HCI
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/*
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* Description:
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* Perform interrupt migration dynamically to reduce CPU utilization.
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*
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* Assumption:
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* 1. Do not enable migration under WIFI test.
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*/
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void dm_InterruptMigration(PADAPTER adapter)
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{
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PHAL_DATA_TYPE hal = GET_HAL_DATA(adapter);
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struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
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BOOLEAN bCurrentIntMt, bCurrentACIntDisable;
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BOOLEAN IntMtToSet = _FALSE;
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BOOLEAN ACIntToSet = _FALSE;
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/* Retrieve current interrupt migration and Tx four ACs IMR settings first. */
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bCurrentIntMt = hal->bInterruptMigration;
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bCurrentACIntDisable = hal->bDisableTxInt;
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/*
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* <Roger_Notes> Currently we use busy traffic for reference instead of RxIntOK counts to prevent non-linear Rx statistics
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* when interrupt migration is set before. 2010.03.05.
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*/
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if (!adapter->registrypriv.wifi_spec
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&& (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)
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&& pmlmepriv->LinkDetectInfo.bHigherBusyTraffic) {
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IntMtToSet = _TRUE;
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/* To check whether we should disable Tx interrupt or not. */
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if (pmlmepriv->LinkDetectInfo.bHigherBusyRxTraffic)
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ACIntToSet = _TRUE;
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}
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/* Update current settings. */
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if (bCurrentIntMt != IntMtToSet) {
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RTW_INFO("%s: Update interrrupt migration(%d)\n", __FUNCTION__, IntMtToSet);
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if (IntMtToSet) {
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/*
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* <Roger_Notes> Set interrrupt migration timer and corresponging Tx/Rx counter.
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* timer 25ns*0xfa0=100us for 0xf packets.
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* 2010.03.05.
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*/
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rtw_write32(adapter, REG_INT_MIG, 0xff000fa0); /* 0x306:Rx, 0x307:Tx */
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hal->bInterruptMigration = IntMtToSet;
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} else {
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/* Reset all interrupt migration settings. */
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rtw_write32(adapter, REG_INT_MIG, 0);
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hal->bInterruptMigration = IntMtToSet;
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}
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}
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}
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#endif /* CONFIG_PCI_HCI */
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/*
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* ============================================================
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* functions
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* ============================================================
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*/
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static void init_phydm_cominfo(PADAPTER adapter)
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{
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PHAL_DATA_TYPE hal = GET_HAL_DATA(adapter);
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struct dm_struct *pDM_Odm = &hal->odmpriv;
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Init_ODM_ComInfo(adapter);
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odm_cmn_info_init(pDM_Odm, ODM_CMNINFO_PACKAGE_TYPE, hal->PackageType);
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RTW_INFO("%s: Fv=%d Cv=%d\n", __FUNCTION__, hal->version_id.VendorType, hal->version_id.CUTVersion);
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odm_cmn_info_init(pDM_Odm, ODM_CMNINFO_FAB_VER, hal->version_id.VendorType);
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odm_cmn_info_init(pDM_Odm, ODM_CMNINFO_CUT_VER, hal->version_id.CUTVersion);
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}
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void rtl8821c_phy_init_dm_priv(PADAPTER adapter)
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{
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struct dm_struct *phydm = adapter_to_phydm(adapter);
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init_phydm_cominfo(adapter);
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odm_init_all_timers(phydm);
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}
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void rtl8821c_phy_deinit_dm_priv(PADAPTER adapter)
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{
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struct dm_struct *phydm = adapter_to_phydm(adapter);
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odm_cancel_all_timers(phydm);
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}
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void rtl8821c_phy_init_haldm(PADAPTER adapter)
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{
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rtw_phydm_init(adapter);
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}
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static void check_rxfifo_full(PADAPTER adapter)
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{
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struct dvobj_priv *psdpriv = adapter->dvobj;
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struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
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struct registry_priv *regsty = &adapter->registrypriv;
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u8 val8 = 0;
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if (regsty->check_hw_status == 1) {
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/* switch counter to RX fifo */
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val8 = rtw_read8(adapter, REG_RXERR_RPT_8821C + 3);
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rtw_write8(adapter, REG_RXERR_RPT_8821C + 3, (val8 | 0xa0));
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pdbgpriv->dbg_rx_fifo_last_overflow = pdbgpriv->dbg_rx_fifo_curr_overflow;
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pdbgpriv->dbg_rx_fifo_curr_overflow = rtw_read16(adapter, REG_RXERR_RPT_8821C);
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if (pdbgpriv->dbg_rx_fifo_curr_overflow >= pdbgpriv->dbg_rx_fifo_last_overflow)
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pdbgpriv->dbg_rx_fifo_diff_overflow =
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pdbgpriv->dbg_rx_fifo_curr_overflow - pdbgpriv->dbg_rx_fifo_last_overflow;
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else
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pdbgpriv->dbg_rx_fifo_diff_overflow =
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(0xFFFF - pdbgpriv->dbg_rx_fifo_last_overflow)
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+ pdbgpriv->dbg_rx_fifo_curr_overflow;
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}
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}
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void rtl8821c_phy_haldm_watchdog(PADAPTER Adapter)
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{
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BOOLEAN bFwCurrentInPSMode = _FALSE;
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u8 bFwPSAwake = _TRUE;
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struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter);
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u8 in_lps = _FALSE;
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PADAPTER current_lps_iface = NULL, iface = NULL;
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struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter);
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u8 i = 0;
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if (!rtw_is_hw_init_completed(Adapter))
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goto skip_dm;
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#ifdef CONFIG_LPS
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bFwCurrentInPSMode = pwrpriv->bFwCurrentInPSMode;
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rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, &bFwPSAwake);
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#endif
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#ifdef CONFIG_P2P_PS
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/* Fw is under p2p powersaving mode, driver should stop dynamic mechanism.
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modifed by thomas. 2011.06.11.*/
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if (Adapter->wdinfo.p2p_ps_mode)
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bFwPSAwake = _FALSE;
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#endif /*CONFIG_P2P_PS*/
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if ((rtw_is_hw_init_completed(Adapter))
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&& ((!bFwCurrentInPSMode) && bFwPSAwake)) {
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/* check rx fifo */
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check_rxfifo_full(Adapter);
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/* Dynamically switch RTS/CTS protection.*/
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}
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#ifdef CONFIG_LPS
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if (pwrpriv->bLeisurePs && bFwCurrentInPSMode && pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
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in_lps = _TRUE;
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for (i = 0; i < dvobj->iface_nums; i++) {
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iface = dvobj->padapters[i];
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if (pwrpriv->current_lps_hw_port_id == rtw_hal_get_port(iface)) {
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current_lps_iface = iface;
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rtw_lps_rfon_ctrl(current_lps_iface, rf_on);
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break;
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}
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}
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if (!current_lps_iface) {
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RTW_WARN("Can't find a adapter with LPS to enable RFON function !\n");
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goto skip_dm;
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}
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}
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#endif
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#ifdef CONFIG_BEAMFORMING
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#ifdef RTW_BEAMFORMING_VERSION_2
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if (check_fwstate(&Adapter->mlmepriv, WIFI_STATION_STATE) &&
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check_fwstate(&Adapter->mlmepriv, WIFI_ASOC_STATE))
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rtw_hal_beamforming_config_csirate(Adapter);
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#endif
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#endif
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#ifdef CONFIG_DISABLE_ODM
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goto skip_dm;
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#endif
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rtw_phydm_watchdog(Adapter, in_lps);
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skip_dm:
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#ifdef CONFIG_LPS
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if (current_lps_iface)
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rtw_lps_rfon_ctrl(current_lps_iface, rf_off);
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#endif
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#ifdef CONFIG_SUPPORT_HW_WPS_PBC
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/* Check GPIO to determine current Pbc status.*/
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dm_CheckPbcGPIO(Adapter);
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#endif
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return;
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}
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