audk/Vlv2TbltDevicePkg/AcpiPlatform/AcpiPlatformHooks.h

/*++

  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
                                                                                   
  SPDX-License-Identifier: BSD-2-Clause-Patent

                                                                                   

Module Name:

  AcpiPlatformHooks.h

Abstract:

  This is an implementation of the ACPI platform driver.  Requirements for
  this driver are defined in the Tiano ACPI External Product Specification,
  revision 0.3.6.

--*/

#ifndef _ACPI_PLATFORM_HOOKS_H_
#define _ACPI_PLATFORM_HOOKS_H_

//
// Statements that include other header files
//

#include <IndustryStandard/Acpi.h>
#include "Platform.h"
#include <Protocol/EnhancedSpeedstep.h>

#define AML_NAME_OP           0x08
#define AML_METHOD_OP         0x14
#define AML_OPREGION_OP       0x80
#define AML_PACKAGE_OP        0x12  // Package operator.
#define AML_NAME_PREFIX_SIZE  0x06
#define AML_NAME_DWORD_SIZE   0x0C

#pragma pack(1)

typedef struct {
  UINT8   AcpiProcessorId;
  UINT8   ApicId;
  UINT16  Flags;
} EFI_CPU_ID_MAP;

typedef struct {
  UINT8   StartByte;
  UINT32  NameStr;
  UINT8   Size;
  UINT32  Value;
} EFI_ACPI_NAMEPACK_DWORD;

typedef struct {
  UINT8   StartByte;
  UINT32  NameStr;
  UINT8   OpCode;
  UINT16  Size;                     // Hardcode to 16bit width because the table we use is fixed size
  UINT8   NumEntries;
} EFI_ACPI_NAME_COMMAND;

typedef struct {
  UINT8   PackageOp;
  UINT8   PkgLeadByte;
  UINT8   NumEntries;
  UINT8   DwordPrefix0;
  UINT32  CoreFreq;
  UINT8   DwordPrefix1;
  UINT32  Power;
  UINT8   DwordPrefix2;
  UINT32  TransLatency;
  UINT8   DwordPrefix3;
  UINT32  BMLatency;
  UINT8   DwordPrefix4;
  UINT32  Control;
  UINT8   DwordPrefix5;
  UINT32  Status;
} EFI_PSS_PACKAGE;

typedef struct {
  UINT8 PackageOp;
  UINT8 PkgLeadByte;
  UINT8 NumEntries;
  UINT8 BytePrefix0;
  UINT8 Entries;
  UINT8 BytePrefix1;
  UINT8 Revision;
  UINT8 BytePrefix2;
  UINT8 Domain;
  UINT8 BytePrefix3;
  UINT8 Coordinate;
  UINT8 BytePrefix4;
  UINT8 ProcNumber;
} EFI_PSD_PACKAGE;

#pragma pack()

#define ACPI_NAME_COMMAND_FROM_NAME_STR(a)  BASE_CR (a, EFI_ACPI_NAME_COMMAND, NameStr)
#define ACPI_NAME_COMMAND_FROM_NAMEPACK_STR(a)  BASE_CR (a, EFI_ACPI_NAMEPACK_DWORD, NameStr)

EFI_STATUS
PlatformHookInit (
  VOID
  );


EFI_STATUS
PatchDsdtTable (
  IN OUT   EFI_ACPI_DESCRIPTION_HEADER  *TableHeader
  );

EFI_STATUS
PatchGv3SsdtTable (
  IN OUT  EFI_ACPI_DESCRIPTION_HEADER *Table
  );

EFI_STATUS
PatchErstTable (
  IN OUT  EFI_ACPI_DESCRIPTION_HEADER *Table
  );

EFI_STATUS
AppendCpuMapTableEntry (
  IN EFI_ACPI_2_0_PROCESSOR_LOCAL_APIC_STRUCTURE   *AcpiLocalApic
  );

#endif