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/** @file
Ssdt Serial Port Fixup Library
Copyright (c) 2020, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef SSDT_SERIAL_PORT_LIB_H_
#define SSDT_SERIAL_PORT_LIB_H_
/** Build a SSDT table describing the input serial port.
The table created by this function must be freed by FreeSsdtSerialTable.
@param [in] AcpiTableInfo Pointer to the ACPI table information.
@param [in] SerialPortInfo Serial port to describe in the SSDT table.
@param [in] Name The Name to give to the Device.
Must be a NULL-terminated ASL NameString
e.g.: "DEV0", "DV15.DEV0", etc.
@param [in] Uid UID for the Serial Port.
@param [out] Table If success, pointer to the created SSDT table.
@retval EFI_SUCCESS Table generated successfully.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
@retval EFI_NOT_FOUND Could not find information.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
BuildSsdtSerialPortTable (
IN CONST CM_STD_OBJ_ACPI_TABLE_INFO * AcpiTableInfo,
IN CONST CM_ARM_SERIAL_PORT_INFO * SerialPortInfo,
IN CONST CHAR8 * Name,
IN CONST UINT64 Uid,
OUT EFI_ACPI_DESCRIPTION_HEADER ** Table
);
/** Free an SSDT table previously created by
the BuildSsdtSerialTable function.
@param [in] Table Pointer to a SSDT table allocated by
the BuildSsdtSerialTable function.
@retval EFI_SUCCESS Success.
**/
EFI_STATUS
EFIAPI
FreeSsdtSerialPortTable (
IN EFI_ACPI_DESCRIPTION_HEADER * Table
);
/** Validate the Serial Port Information.
@param [in] SerialPortInfoTable Table of CM_ARM_SERIAL_PORT_INFO.
@param [in] SerialPortCount Count of SerialPort in the table.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
ValidateSerialPortInfo (
IN CONST CM_ARM_SERIAL_PORT_INFO * SerialPortInfoTable,
IN UINT32 SerialPortCount
);
#endif // SSDT_SERIAL_PORT_LIB_H_
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