/** @file Header file for PCH Initialization Driver. Copyright (c) 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _PCH_INIT_DXE_H_ #define _PCH_INIT_DXE_H_ #include #include #include // // Data definitions // extern EFI_HANDLE mImageHandle; // // Pch NVS area definition // extern PCH_NVS_AREA_PROTOCOL mPchNvsAreaProtocol; extern PCH_CONFIG_HOB *mPchConfigHob; extern SI_CONFIG_HOB_DATA *mSiConfigHobData; // // Function Prototype // // // Local function prototypes // /** Common PchInit Module Entry Point **/ VOID PchInitEntryPointCommon ( VOID ); /** Calls Boot Os Hand off routine for each Serial IO Controller **/ VOID ConfigureSerialIoAtBoot ( VOID ); /** Puts all SerialIo controllers (except UARTs in debug mode) in D3. Clears MemoryEnable for all PCI-mode controllers on S3 resume **/ VOID ConfigureSerialIoAtS3Resume ( VOID ); /** Add Serial Io UART Hidden Handles **/ VOID CreateSerialIoUartHiddenHandle ( VOID ); /** Initialize Intel High Definition Audio ACPI Tables @retval EFI_SUCCESS The function completed successfully @retval EFI_LOAD_ERROR ACPI table cannot be installed @retval EFI_UNSUPPORTED ACPI table not set because DSP is disabled **/ EFI_STATUS PchHdAudioAcpiInit ( VOID ); /** Perform the remaining configuration on SATA to perform device detection, then set the SATA SPD and PxE corresponding, and set the Register Lock on PCH SATA **/ VOID ConfigureSataOnEndOfDxe ( VOID ); /** Update ASL data for CNVI Device. @retval EFI_SUCCESS The function completed successfully **/ EFI_STATUS UpdateCnviAcpiData ( VOID ); /** Initialize Pch acpi @param[in] ImageHandle Handle for the image of this driver @retval EFI_SUCCESS The function completed successfully @retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver **/ EFI_STATUS EFIAPI PchAcpiInit ( IN EFI_HANDLE ImageHandle ); /** Update ASL object before Boot @retval EFI_STATUS @retval EFI_NOT_READY The Acpi protocols are not ready. **/ EFI_STATUS PchUpdateNvsArea ( VOID ); #endif // _PCH_INIT_DXE_H_