Advanced Configuration and Power Interface Specification
27.10.2015 • Views
Share Embed Flag

Advanced Configuration and Power Interface Specification

ACPI_6.0

ACPI_6.0

SHOW MORE
SHOW LESS
ePAPER READ
DOWNLOAD ePAPER
patchguard

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

START NOW

<strong>Advanced</strong> <strong>Configuration</strong> <strong>and</strong> <strong>Power</strong> <strong>Interface</strong> <strong>Specification</strong><br />

8 <br />

9 <br />

7.3.21 _S1W (S1 Device Wake State) ....................................................................... 405<br />

7.3.22 _S2W (S2 Device Wake State) ....................................................................... 406<br />

7.3.23 _S3W (S3 Device Wake State) ....................................................................... 406<br />

7.3.24 _S4W (S4 Device Wake State) ....................................................................... 406<br />

7.3.25 _RST (Device Reset) ...................................................................................... 407<br />

7.3.26 _PRR (<strong>Power</strong> Resource for Reset) ................................................................. 407<br />

7.4 OEM-Supplied System-Level Control Methods ............................................................ 407<br />

7.4.1 \_PTS (Prepare To Sleep)................................................................................. 408<br />

7.4.2 System \_Sx states ........................................................................................... 408<br />

7.4.3 _SWS (System Wake Source) .......................................................................... 414<br />

7.4.4 \_TTS (Transition To State)............................................................................... 415<br />

7.4.5 \_WAK (System Wake) ..................................................................................... 415<br />

7.5 OSPM usage of _PTS, _TTS, <strong>and</strong> _WAK..................................................................... 416<br />

Processor <strong>Configuration</strong> <strong>and</strong> Control ...................................................... 419<br />

8.1 Processor <strong>Power</strong> States ............................................................................................... 419<br />

8.1.1 Processor <strong>Power</strong> State C0................................................................................ 421<br />

8.1.2 Processor <strong>Power</strong> State C1................................................................................ 423<br />

8.1.3 Processor <strong>Power</strong> State C2................................................................................ 423<br />

8.1.4 Processor <strong>Power</strong> State C3................................................................................ 423<br />

8.1.5 Additional Processor <strong>Power</strong> States................................................................... 424<br />

8.2 Flushing Caches ........................................................................................................... 425<br />

8.3 <strong>Power</strong>, Performance, <strong>and</strong> Throttling State Dependencies............................................ 426<br />

8.4 Declaring Processors................................................................................................. 427<br />

8.4.1 _PDC (Processor Driver Capabilities)............................................................... 427<br />

8.4.2 Processor <strong>Power</strong> State Control......................................................................... 429<br />

8.4.3 Processor Hierarchy.......................................................................................... 434<br />

8.4.4 Lower <strong>Power</strong> Idle States ................................................................................... 436<br />

8.4.5 Processor Throttling Controls............................................................................ 461<br />

8.4.6 Processor Performance Control........................................................................ 469<br />

8.4.7 Collaborative Processor Performance Control.................................................. 476<br />

8.4.8 _PPE (Polling for Platform Errors) .................................................................... 493<br />

8.5 Processor Aggregator Device ....................................................................................... 493<br />

8.5.1 Logical Processor Idling .................................................................................... 494<br />

8.5.2 OSPM _OST Evaluation ................................................................................... 495<br />

ACPI-Defined Devices <strong>and</strong> Device-Specific Objects............................... 497<br />

9.1 \_SI System Indicators .................................................................................................. 497<br />

9.1.1 _SST (System Status)....................................................................................... 497<br />

9.1.2 _MSG (Message) .............................................................................................. 497<br />

9.1.3 _BLT (Battery Level Threshold) ........................................................................ 498<br />

9.2 Ambient Light Sensor Device........................................................................................ 498<br />

9.2.1 Overview ........................................................................................................... 499<br />

9.2.2 _ALI (Ambient Light Illuminance) ...................................................................... 499<br />

9.2.3 _ALT (Ambient Light Temperature)................................................................... 500<br />

9.2.4 _ALC (Ambient Light Color Chromaticity) ......................................................... 500<br />

xx April, 2015 Version 6.0

logo

products

Resources

Company

Terms of service
Privacy policy
Cookie policy
Cookie settings
Imprint
Change language
Made with love in Switzerland
© 2024 Yumpu.com all rights reserved

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!