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Diffstat (limited to 'ReferenceCode/AcpiTables/Dptf/AcpiTables/TSknDppmPolicy.asl')
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diff --git a/ReferenceCode/AcpiTables/Dptf/AcpiTables/TSknDppmPolicy.asl b/ReferenceCode/AcpiTables/Dptf/AcpiTables/TSknDppmPolicy.asl new file mode 100644 index 0000000..1187bf8 --- /dev/null +++ b/ReferenceCode/AcpiTables/Dptf/AcpiTables/TSknDppmPolicy.asl @@ -0,0 +1,172 @@ +/*++ + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement +--*/ + +/*++ + +Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved +This software and associated documentation (if any) is furnished +under a license and may only be used or copied in accordance +with the terms of the license. Except as permitted by such +license, no part of this software or documentation may be +reproduced, stored in a retrieval system, or transmitted in any +form or by any means without the express written consent of +Intel Corporation. + +Module Name: + + TSknDppmPolicy.asl + +Abstract: + + Intel ACPI Reference Code for Dynamic Platform & Thermal Framework + +--*/ + +Scope(\_SB.PCI0.LPCB.H_EC.TSKN) +{ + Name(CTYP,0) // Device-specific cooling policy preference + + // _SCP (Set Cooling Policy) + // + // Arguments: (3) + // Arg0 - Mode An Integer containing the cooling mode policy code + // Arg1 - AcousticLimit An Integer containing the acoustic limit + // Arg2 - PowerLimit An Integer containing the power limit + // Return Value: + // None + // + // Argument Information: + // Mode - 0 = Active, 1 = Passive + // Acoustic Limit - Specifies the maximum acceptable acoustic level that active cooling devices may generate. + // Values are 1 to 5 where 1 means no acoustic tolerance and 5 means maximum acoustic tolerance. + // Power Limit - Specifies the maximum acceptable power level that active cooling devices may consume. + // Values are from 1 to 5 where 1 means no power may be used to cool and 5 means maximum power may be used to cool. + // + Method(_SCP,3,Serialized) + { + If(LOr(LEqual(Arg0,0),LEqual(Arg0,1))) + { + Store(Arg0, CTYP) + P8XH(0, Arg1) + P8XH(1, Arg2) + Notify(\_SB.PCI0.LPCB.H_EC.TSKN, 0x91) + } + } + + // _ACx (Active Cooling) + // + // This optional object, if present under a thermal zone, returns the + // temperature trip point at which OSPM must start or stop Active cooling, + // where x is a value between 0 and 9 that designates multiple active cooling levels of the thermal zone. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the active cooling temperature threshold in tenths of degrees Kelvin + // + Method(_AC3) + { + If(CTYP) + { + Store(\_SB.IETM.CTOK(SKPT),Local1) // Passive Cooling Policy + } Else { + Store(\_SB.IETM.CTOK(SKAT),Local1) // Active Cooling Policy + } + If(LGreaterEqual(LSTM,Local1)) + { + Return(Subtract(Local1,20)) // subtract 2 degrees which is the Hysteresis + } + Else + { + Return(Local1) + } + } + + // _ACx (Active Cooling) + // + // This optional object, if present under a thermal zone, returns the + // temperature trip point at which OSPM must start or stop Active cooling, + // where x is a value between 0 and 9 that designates multiple active cooling levels of the thermal zone. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the active cooling temperature threshold in tenths of degrees Kelvin + // + Method(_AC4) + { + Return(Subtract(_AC3(), 50)) + } + + // _ACx (Active Cooling) + // + // This optional object, if present under a thermal zone, returns the + // temperature trip point at which OSPM must start or stop Active cooling, + // where x is a value between 0 and 9 that designates multiple active cooling levels of the thermal zone. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the active cooling temperature threshold in tenths of degrees Kelvin + // + Method(_AC5) + { + Return(Subtract(_AC3(), 100)) + } + + // _CRT (Critical Temperature) + // + // This object, when defined under a thermal zone, returns the critical temperature at which OSPM must shutdown the system. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the critical temperature threshold in tenths of degrees Kelvin + // + Method(_CRT) + { + Return(\_SB.IETM.CTOK(SKCT)) + } + + // _HOT (Hot Temperature) + // + // This optional object, when defined under a thermal zone, returns the critical temperature + // at which OSPM may choose to transition the system into the S4 sleeping state. + // + // Arguments: (0) + // None + // Return Value: + // The return value is an integer that represents the critical sleep threshold tenths of degrees Kelvin. + // + Method(_HOT,0,Serialized) + { + Return(\_SB.IETM.CTOK(SKHT) ) + } + + // _PSV (Passive) + // + // This optional object, if present under a thermal zone, evaluates to the temperature + // at which OSPM must activate passive cooling policy. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the passive cooling temperature threshold in tenths of degrees Kelvin + // + Method(_PSV) + { + If(CTYP) + { + Return(\_SB.IETM.CTOK(SKAT)) // Active Cooling Policy + } Else { + Return(\_SB.IETM.CTOK(SKPT)) // Passive Cooling Policy + } + } + +} // End Scope(\_SB.PCI0.LPCB.H_EC.TSKN) |