Advanced Configuration and Power Interface Specification

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Advanced Configuration and Power Interface Specification 'STP1' ParentPrefixChar 'GET_' ParentPrefixChar ParentPrefixChar 'PCI0' ParentPrefixChar ParentPrefixChar DualNamePrefix 'PCI0' 'SBS_' RootChar 'S2__' RootChar MultiNamePrefix 3 'S2__' 'ISA_' 'COM1' ParentPrefixChar ParentPrefixChar ParentPrefixChar 'S3__' ParentPrefixChar ParentPrefixChar ParentPrefixChar DualNamePrefix 'S2__' 'MEM_' ParentPrefixChar ParentPrefixChar ParentPrefixChar MultiNamePrefix 3 'S2__' 'MEM_' 'SET_' After the block is loaded, the namespace will look like this (names added to the namespace by the loading operation are shown in bold): \ S0 MEM SET GET CPU SET STP1 XYZ ABC DEF GET PCI0 SBS S1 MEM SET GET CPU SET GET S2 ISA COM1 MEM SET S3 926 April, 2015 Version 6.0
ACPI Data Tables and Table Definition Language 21 ACPI Data Tables and Table Definition Language There are two fundamental types of ACPI tables: • Tables that contain AML code produced from the ACPI Source Language (ASL). These include the DSDT, any SSDTs, and sometimes OEM-specific tables (OEMx). • Tables that contain simple data and no AML byte code. These types of tables are known as ACPI Data Tables. They include tables such as the FADT, MADT, ECDT, SRAT, etc. - essentially any table other than a DSDT or SSDT. • The first type of table is generated using an ASL compiler and this language is specified in section 18. The second type of table, the ACPI Data Table, is addressed by this section. This section describes a simple language (the Table Definition Language or TDL) that can be used to generate any ACPI data table. It simplifies the table generation for BIOS vendors and can automatically generate fields such as table lengths, subtable lengths, checksums, flag fields, etc. 21.1 Types of ACPI Data Tables In the context of a compiler for the Table Definition Language (TDL), there are two types of ACPI Data Tables: • ACPI tables that are "known" to the compiler. These would typically include all of the basic ACPI tables defined in the ACPI specification such as the FADT, MADT, ECDT, etc. Since these tables are fully specified (usually via the ACPI specification, but from other sources as well), the TDL compiler knows all details of these tables -- including all required data types, optional or required sub-tables, etc. • ACPI tables that are unknown to the compiler. These may include tables that are not defined in the ACPI specification such as MCFG, DBGP, etc., or simply new ACPI tables that have not yet been implemented in the compiler. One of the goals of the ACPI Table Definition Language is to support both cases above. Most ACPI tables will be known to the compiler (and will be the easiest to specify in TDL), but the language is general enough to allow the definition of new ACPI tables that are unknown or unimplemented in the compiler. An additional goal of TDL is to support the output of a disassembler that formats an existing table into TDL. This enables disassembler/change/compile operations. 21.2 ACPI Table Definition Language Specification The following section defines the ACPI Table Definition Language (TDL). The grammar notation follows the same rules as the ASL source language (See Section 19.2.1, ASL Grammar Notation.) Full definition of the various data types follows the grammar specification. Version 6.0 927
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Advanced Configuration and Power In
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Revision History Revision Change De
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Contents 1 2 Introduction........
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5 ACPI Software Programming Model
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7 6.3.6 _RMV (Remove) ............
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9.2.5 _ALR (Ambient Light Response)
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11.2.1 Evaluating Thermal Device Li
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14.1.3 Generic Communications Subsp
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19.6.10 Buffer (Declare Buffer Obje
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19.6.102 Processor (Declare Process
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A.4.1 Power State Definitions......
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Tables Table 1-1 Hardware Type vs.
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Table 5-91 Power state Values .....
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Table 6-184 Device Insertion, Remov
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Table 10-275 Control Method Battery
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Table 19-367 Field Unit list entire
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Figures Figure 1-1 OSPM/ACPI Global
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Introduction 1 Introduction The Adv
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Introduction wake and answer the te
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Introduction Figure 1-1 OSPM/ACPI G
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Introduction specified below are ge
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Introduction ACPI System Descriptio
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Introduction • Support the ACPI E
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Introduction 1.9.2 Programming Mode
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Introduction 1.10 Related Documents
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Definition of Terms 2 Definition of
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Definition of Terms of power manage
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Definition of Terms I/O SAPIC An In
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Definition of Terms loaded. This al
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Definition of Terms varies on the w
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Definition of Terms in shallower po
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Definition of Terms state to allow
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ACPI Overview 3 ACPI Overview Platf
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ACPI Overview component to avoid da
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ACPI Overview Aspects of mobile PC
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ACPI Overview level, platform-speci
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ACPI Overview through their own bus
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ACPI Overview the SCI status bit ma
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ACPI Overview wait for the call. To
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ACPI Overview Each device enumerate
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ACPI Overview the battery is able t
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ACPI Overview Table 3-4 Level Warni
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ACPI Overview necessary. Figure 3-8
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ACPI Overview 3.11.1 Hardware-reduc
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ACPI Overview Low Power S0 Idle Cap
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ACPI Hardware Specification 4 ACPI
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ACPI Hardware Specification SLP_ENx
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ACPI Hardware Specification Device
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ACPI Hardware Specification Generic
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ACPI Hardware Specification Feature
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ACPI Hardware Specification Registe
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ACPI Hardware Specification Table 4
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ACPI Hardware Specification purpose
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ACPI Hardware Specification The pow
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ACPI Hardware Specification 4.8.2.2
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ACPI Hardware Specification Month A
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ACPI Hardware Specification Bit Nam
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ACPI Hardware Specification Althoug
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ACPI Software Programming Model 5 A
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ACPI Software Programming Model The
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ACPI Software Programming Model ACP
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ACPI Software Programming Model OEM
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ACPI Software Programming Model Sig
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ACPI Software Programming Model 5.2
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ACPI Software Programming Model Tab
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ACPI Software Programming Model Ena
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ACPI Software Programming Model Glo
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ACPI Software Programming Model OEM
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ACPI Software Programming Model RAS
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Device Configuration 6 Device Confi
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Device Configuration BUS PCMCIA PC
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Device Configuration Device(SATA) /
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Device Configuration Return Value I
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Device Configuration unable to dete
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Device Configuration Name Definitio
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Device Configuration Name Definitio
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Device Configuration Rota-tion Goup
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Device Configuration Example ASL: N
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Device Configuration Object _FIX _G
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Device Configuration For example, i
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Device Configuration 6.2.5 _DSD (De
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Device Configuration } Name (_DSD,
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Device Configuration APIC Device”
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Device Configuration Scope(\_SB) {
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Device Configuration Method(_EJ0, 1
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Device Configuration Field Object T
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Device Configuration Field Object T
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Device Configuration other governin
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Device Configuration Since platform
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Device Configuration Section 8.4.4.
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Device Configuration Control Field
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Device Configuration Device(PCI0) /
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Device Configuration Field Type Des
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Device Configuration This optional
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Device Configuration Field Byte Len
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Device Configuration If a device in
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Device Configuration are present, w
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Device Configuration Arguments: Non
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Device Configuration Return Value:
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Device Configuration Table 6-187 Op
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Device Configuration User interacts
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Device Configuration Method(_EJ0, 1
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Device Configuration 6.4.2 Small Re
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Device Configuration Offset Field N
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Device Configuration Table 6-197 I/
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Device Configuration Offset Byte 11
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Device Configuration To specify mul
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Device Configuration 6.5 Other Obje
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Device Configuration Note: If the m
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Device Configuration Note: The OS o
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Device Configuration whether the Gl
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Power and Performance Management 7
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Power and Performance Management No
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Power and Performance Management Re
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Power and Performance Management Ob
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Power and Performance Management Ar
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Power and Performance Management If
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Power and Performance Management ca
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Power and Performance Management
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Power and Performance Management im
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Power and Performance Management 9.
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Processor Configuration and Control
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Power Source and Power Meter Device
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Thermal Management 11 Thermal Manag
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Thermal Management When a thermal z
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Thermal Management controller firmw
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Thermal Management 11.1.5 Passive C
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Thermal Management 11.2 Cooling Pre
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Thermal Management Alternatively, d
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Thermal Management 11.3.1.2 _FPS (F
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Thermal Management Element Object T
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Thermal Management Return Value: No
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Thermal Management Other Temperatur
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Thermal Management // // NOTE3: Thi
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Thermal Management 11.4.16 _TFP (Th
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Thermal Management 11.4.20 _TSN (Th
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Thermal Management occurs—relievi
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Thermal Management Scope(\_SB) { De
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Thermal Management } // fan cooling
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Thermal Management // For brevity,
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Thermal Management External(\_SB.CP
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Thermal Management Method(_TPT, 1)
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Waking and Sleeping 16 Waking and S
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Platforms Non-Uniform Memory Access
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Value 0x84 Description Previous Dis
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B.5.5 _DDC (Return the EDID for thi
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Bits Definition 31 0 - Don’t do a
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internal data structure of the OS t
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Symbols _EJx 334 ??????????????????
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Power Resource statements 391 prima
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centenary value, RTC alarm 83 Centr
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power resource objects 398 D2 Devic
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Eject Device List (_EDL) object 332
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features 68 functional implementati
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I/O resource flag 366 I/O SAPIC def
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logic fixed power button 77 lid swi
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objects _ BMC (Battery Maintenance
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transitioning working to soft-off s
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power resources battery management
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definition 22 table fields 115 RTC_
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protocols 650, 662, 669 Read/Write
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top of memory 704 ToString (Convert
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