Advanced Configuration and Power Interface Specification

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Advanced Configuration and Power Interface Specification Name(_GPE, 0) // Define that the EC SCI is bit 0 of the GP_STS register // Not required for HW-Reduced ACPI platforms OperationRegion(ECOR, EmbeddedControl, 0, 0xFF) Field(ECOR, ByteAcc, Lock, Preserve) { // Field definitions go here } } 12.12 Defining an EC SMBus Host Controller in ACPI Namespace An EC-SMB-HC device is defined using the named device object. The EC-SMB- HC’s device object requires the following elements: Table 12-301 EC SMBus HC Device Objects Object _HID _EC Description Named object that provides the EC-SMB- HC’s Plug and Play identifier. This value is be set to ACPI0001. _HID is a standard device configuration control method defined in Section 6.1.5, “_HID (Hardware ID).” Named object that evaluates to a WORD that defines the SMBus attributes needed by the SMBus driver. _EC is the Embedded Controller Offset Query Control Method. The most significant byte is the address offset in embedded controller space of the SMBus controller; the least significant byte is the query value for all SMBus events. 12.12.1 Example: EC SMBus Host Controller ASL-Code Example ASL code that defines an SMB-HC from within an embedded controller device is shown below: Device(EC0) { Name(_HID, EISAID("PNP0C09")) Name(_CRS, ResourceTemplate() { IO(Decode16, 0x62, 0x62, 0, 1), // Status port IO(Decode16, 0x66, 0x66, 0, 1) // command port }) Name(_GPE, 0) Device (SMB0) { Name(_HID, "ACPI0001") Name(_UID, 0) Name(_EC, 0x2030) : } // EC-SMB-HC // Unique device identifier // EC offset 0x20, query bit 0x30 658 April, 2015 Version 6.0
ACPI Embedded Controller Interface Specification Device (SMB1) { Name(_HID, "ACPI0001") Name(_UID, 1) Name(_EC, 0x8031) : } } // end of EC0. // EC-SMB-HC // Unique device identifier // EC offset 0x80, query bit 0x31 Version 6.0 659
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Advanced Configuration and Power In
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Revision History Revision Change De
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Revision Change Description Affecte
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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 Software Programming Model 5 A
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ACPI Software Programming Model ACP
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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 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 6.4.2.9 End Ta
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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 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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ACPI-Defined Devices and Device-Spe
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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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Platforms Non-Uniform Memory Access
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Platforms Non-Uniform Memory Access
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Appendix A Device Class Specificati
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• PCI Bus Power Management Capabi
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A.4.1 Power State Definitions State
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A.5.1 Power State Definitions State
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power transitions and power managem
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the next boot, a 1 indicates a PCI
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Value 0x84 Description Previous Dis
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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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Advanced Configuration and Power Interface Specification

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