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