Vlv2TbltDevicePkg/AcpiPlatform/AcpiPlatformHooks.h

   1 /*++
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13
  14 Module Name:
  15
  16   AcpiPlatformHooks.h
  17
  18 Abstract:
  19
  20   This is an implementation of the ACPI platform driver.  Requirements for
  21   this driver are defined in the Tiano ACPI External Product Specification,
  22   revision 0.3.6.
  23
  24 --*/
  25
  26 #ifndef _ACPI_PLATFORM_HOOKS_H_
  27 #define _ACPI_PLATFORM_HOOKS_H_
  28
  29 //
  30 // Statements that include other header files
  31 //
  32
  33 #include <IndustryStandard/Acpi.h>
  34 #include "Platform.h"
  35 #include <Protocol/EnhancedSpeedstep.h>
  36
  37 #define AML_NAME_OP           0x08
  38 #define AML_METHOD_OP         0x14
  39 #define AML_OPREGION_OP       0x80
  40 #define AML_PACKAGE_OP        0x12  // Package operator.
  41 #define AML_NAME_PREFIX_SIZE  0x06
  42 #define AML_NAME_DWORD_SIZE   0x0C
  43
  44 #pragma pack(1)
  45
  46 typedef struct {
  47   UINT8   AcpiProcessorId;
  48   UINT8   ApicId;
  49   UINT16  Flags;
  50 } EFI_CPU_ID_MAP;
  51
  52 typedef struct {
  53   UINT8   StartByte;
  54   UINT32  NameStr;
  55   UINT8   Size;
  56   UINT32  Value;
  57 } EFI_ACPI_NAMEPACK_DWORD;
  58
  59 typedef struct {
  60   UINT8   StartByte;
  61   UINT32  NameStr;
  62   UINT8   OpCode;
  63   UINT16  Size;                     // Hardcode to 16bit width because the table we use is fixed size
  64   UINT8   NumEntries;
  65 } EFI_ACPI_NAME_COMMAND;
  66
  67 typedef struct {
  68   UINT8   PackageOp;
  69   UINT8   PkgLeadByte;
  70   UINT8   NumEntries;
  71   UINT8   DwordPrefix0;
  72   UINT32  CoreFreq;
  73   UINT8   DwordPrefix1;
  74   UINT32  Power;
  75   UINT8   DwordPrefix2;
  76   UINT32  TransLatency;
  77   UINT8   DwordPrefix3;
  78   UINT32  BMLatency;
  79   UINT8   DwordPrefix4;
  80   UINT32  Control;
  81   UINT8   DwordPrefix5;
  82   UINT32  Status;
  83 } EFI_PSS_PACKAGE;
  84
  85 typedef struct {
  86   UINT8 PackageOp;
  87   UINT8 PkgLeadByte;
  88   UINT8 NumEntries;
  89   UINT8 BytePrefix0;
  90   UINT8 Entries;
  91   UINT8 BytePrefix1;
  92   UINT8 Revision;
  93   UINT8 BytePrefix2;
  94   UINT8 Domain;
  95   UINT8 BytePrefix3;
  96   UINT8 Coordinate;
  97   UINT8 BytePrefix4;
  98   UINT8 ProcNumber;
  99 } EFI_PSD_PACKAGE;
 100
 101 #pragma pack()
 102
 103 #define ACPI_NAME_COMMAND_FROM_NAME_STR(a)  BASE_CR (a, EFI_ACPI_NAME_COMMAND, NameStr)
 104 #define ACPI_NAME_COMMAND_FROM_NAMEPACK_STR(a)  BASE_CR (a, EFI_ACPI_NAMEPACK_DWORD, NameStr)
 105
 106 EFI_STATUS
 107 PlatformHookInit (
 108   VOID
 109   );
 110
 111
 112 EFI_STATUS
 113 PatchDsdtTable (
 114   IN OUT   EFI_ACPI_DESCRIPTION_HEADER  *TableHeader
 115   );
 116
 117 EFI_STATUS
 118 PatchGv3SsdtTable (
 119   IN OUT  EFI_ACPI_DESCRIPTION_HEADER *Table
 120   );
 121
 122 EFI_STATUS
 123 PatchErstTable (
 124   IN OUT  EFI_ACPI_DESCRIPTION_HEADER *Table
 125   );
 126
 127 EFI_STATUS
 128 AppendCpuMapTableEntry (
 129   IN EFI_ACPI_2_0_PROCESSOR_LOCAL_APIC_STRUCTURE   *AcpiLocalApic
 130   );
 131
 132 #endif