1 /*++ 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 6 This program and the accompanying materials are licensed and made available under 7 8 the terms and conditions of the BSD License that accompanies this distribution. 9 10 The full text of the license may be found at 11 12 http://opensource.org/licenses/bsd-license.php. 13 14 15 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 20 21 22 23 Module Name: 24 25 AcpiPlatformHooks.h 26 27 Abstract: 28 29 This is an implementation of the ACPI platform driver. Requirements for 30 this driver are defined in the Tiano ACPI External Product Specification, 31 revision 0.3.6. 32 33 --*/ 34 35 #ifndef _ACPI_PLATFORM_HOOKS_H_ 36 #define _ACPI_PLATFORM_HOOKS_H_ 37 38 // 39 // Statements that include other header files 40 // 41 42 #include <IndustryStandard/Acpi.h> 43 #include "Platform.h" 44 #include <Protocol/EnhancedSpeedstep.h> 45 46 #define AML_NAME_OP 0x08 47 #define AML_METHOD_OP 0x14 48 #define AML_OPREGION_OP 0x80 49 #define AML_PACKAGE_OP 0x12 // Package operator. 50 #define AML_NAME_PREFIX_SIZE 0x06 51 #define AML_NAME_DWORD_SIZE 0x0C 52 53 #pragma pack(1) 54 55 typedef struct { 56 UINT8 AcpiProcessorId; 57 UINT8 ApicId; 58 UINT16 Flags; 59 } EFI_CPU_ID_MAP; 60 61 typedef struct { 62 UINT8 StartByte; 63 UINT32 NameStr; 64 UINT8 Size; 65 UINT32 Value; 66 } EFI_ACPI_NAMEPACK_DWORD; 67 68 typedef struct { 69 UINT8 StartByte; 70 UINT32 NameStr; 71 UINT8 OpCode; 72 UINT16 Size; // Hardcode to 16bit width because the table we use is fixed size 73 UINT8 NumEntries; 74 } EFI_ACPI_NAME_COMMAND; 75 76 typedef struct { 77 UINT8 PackageOp; 78 UINT8 PkgLeadByte; 79 UINT8 NumEntries; 80 UINT8 DwordPrefix0; 81 UINT32 CoreFreq; 82 UINT8 DwordPrefix1; 83 UINT32 Power; 84 UINT8 DwordPrefix2; 85 UINT32 TransLatency; 86 UINT8 DwordPrefix3; 87 UINT32 BMLatency; 88 UINT8 DwordPrefix4; 89 UINT32 Control; 90 UINT8 DwordPrefix5; 91 UINT32 Status; 92 } EFI_PSS_PACKAGE; 93 94 typedef struct { 95 UINT8 PackageOp; 96 UINT8 PkgLeadByte; 97 UINT8 NumEntries; 98 UINT8 BytePrefix0; 99 UINT8 Entries; 100 UINT8 BytePrefix1; 101 UINT8 Revision; 102 UINT8 BytePrefix2; 103 UINT8 Domain; 104 UINT8 BytePrefix3; 105 UINT8 Coordinate; 106 UINT8 BytePrefix4; 107 UINT8 ProcNumber; 108 } EFI_PSD_PACKAGE; 109 110 #pragma pack() 111 112 #define ACPI_NAME_COMMAND_FROM_NAME_STR(a) BASE_CR (a, EFI_ACPI_NAME_COMMAND, NameStr) 113 #define ACPI_NAME_COMMAND_FROM_NAMEPACK_STR(a) BASE_CR (a, EFI_ACPI_NAMEPACK_DWORD, NameStr) 114 115 EFI_STATUS 116 PlatformHookInit ( 117 VOID 118 ); 119 120 121 EFI_STATUS 122 PatchDsdtTable ( 123 IN OUT EFI_ACPI_DESCRIPTION_HEADER *TableHeader 124 ); 125 126 EFI_STATUS 127 PatchGv3SsdtTable ( 128 IN OUT EFI_ACPI_DESCRIPTION_HEADER *Table 129 ); 130 131 EFI_STATUS 132 PatchErstTable ( 133 IN OUT EFI_ACPI_DESCRIPTION_HEADER *Table 134 ); 135 136 EFI_STATUS 137 AppendCpuMapTableEntry ( 138 IN EFI_ACPI_2_0_PROCESSOR_LOCAL_APIC_STRUCTURE *AcpiLocalApic 139 ); 140 141 #endif 142