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Diffstat (limited to 'ReferenceCode/AcpiTables/Dptf/AcpiTables/Ffrd/TMemParticipant.asl')
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diff --git a/ReferenceCode/AcpiTables/Dptf/AcpiTables/Ffrd/TMemParticipant.asl b/ReferenceCode/AcpiTables/Dptf/AcpiTables/Ffrd/TMemParticipant.asl new file mode 100644 index 0000000..7ed96cd --- /dev/null +++ b/ReferenceCode/AcpiTables/Dptf/AcpiTables/Ffrd/TMemParticipant.asl @@ -0,0 +1,252 @@ +/*++ + 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 - 2013 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: + + TMemParticipant.asl + +Abstract: + + Intel ACPI Reference Code for Dynamic Platform & Thermal Framework + +--*/ + +Scope(\_SB.PCI0) +{ + + Device(TMEM) + { + Name(_HID, EISAID("INT3402")) // Intel DPTF Memory Device + Name(_UID, 0) + + Name(HITP, 0x64) + Name(SAUX, 0x10) + Name(_STR, Unicode ("Memory Participant")) + Name(LSTM,0) // Last temperature reported + + // _STA (Status) + // + // This object returns the current status of a device. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing a device status bitmap: + // Bit 0 - Set if the device is present. + // Bit 1 - Set if the device is enabled and decoding its resources. + // Bit 2 - Set if the device should be shown in the UI. + // Bit 3 - Set if the device is functioning properly (cleared if device failed its diagnostics). + // Bit 4 - Set if the battery is present. + // Bits 5-31 - Reserved (must be cleared). + // + Method(_STA) + { + If (LEqual(MEMD,1)){ + Return(0x0F) + } Else { + Return(0x00) + } + } + + // PPCC (Participant Power Control Capabilities) + // + // The PPCC object evaluates to a package of packages that indicates to DPTF processor + // participant the power control capabilities. + // + // Arguments: (0) + // None + // Return Value: + // PPCC package of packages + // + Method(PPCC,0,Serialized,,PkgObj) + { + Return(NPCC) + } + + Name (NPCC, Package() + { // Field Name : Field Type + 2, // Revision : DWordConst + + Package () // Power Limit 1 + { + 0, // PowerLimitIndex : DWordConst = 0 + 1000, // PowerLimitMinimum : DWordConst + 5000, // PowerLimitMaximum : DWordConst + 1, // TimeWindowMinimum : DWordConst + 28, // TimeWindowMaximum : DWordConst + 1000, // StepSize : DWordConst + }, + Package () // Power Limit 2 + { + 1, // PowerLimitIndex : DWordConst = 1 + 1000, // PowerLimitMinimum : DWordConst + 10000, // PowerLimitMaximum : DWordConst + 0, // TimeWindowMinimum : DWordConst + 0, // TimeWindowMaximum : DWordConst + 1000, // StepSize : DWordConst + } + }) // End of PPCC object + + // _TMP (Temperature) + // + // This control method returns the thermal zone's current operating temperature. + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the current temperature of the thermal zone (in tenths of degrees Kelvin) + // + Method(_TMP) + { + If(\ECON) + { + If(\TSOD) // if TS-on-DIMM sensor present and selected in BIOS SETUP return higher temp + { + If(LGreater(\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.TSD0)),\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.TSD1)))) + { + Store(\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.TSD0)),Local1) // TS-on-DIMM0 temperature + } + Else + { + Store(\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.TSD1)),Local1) // TS-on-DIMM1 temperature + } + } + Else // else return higher On-Board DDR Thermal Sensor temp + { + Store(\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.DIM0)),Local1) // DIMM0 temperature + } + Return(\_SB.IETM.CTOK(Local1)) // EC reports in Celcius, convert to 10ths of degree Kelvin + } + Else + { + Return(3000) + } + } + + Name(PATC, 2) + + // PATx (Participant Programmable Auxiliary Trip) - Sets Aux Trip Point + // + // The PATx objects shall take a single integer parameter, in tenths of degree Kelvin, which + // represents the temperature at which the device should notify the participant driver of + // an auxiliary trip event. A PATx control method returns no value. + // + // Arguments: (1) + // Arg0 - temperature in tenths of degree Kelvin + // Return Value: + // None + // + Method(PAT0, 1, Serialized) + { + If (\ECON) + { + Store (Acquire(\_SB.PCI0.LPCB.H_EC.PATM, 100),Local0) // save Acquire result so we can check for Mutex acquired + If (LEqual(Local0, Zero)) // check for Mutex acquired + { + Store(\_SB.IETM.KTOC(Arg0),SAUX) + \_SB.PCI0.LPCB.H_EC.ECWT(0x4, RefOf(\_SB.PCI0.LPCB.H_EC.TSI)) + \_SB.PCI0.LPCB.H_EC.ECWT(0x2, RefOf(\_SB.PCI0.LPCB.H_EC.HYST)) + \_SB.PCI0.LPCB.H_EC.ECWT(SAUX, RefOf(\_SB.PCI0.LPCB.H_EC.TSLT)) + \_SB.PCI0.LPCB.H_EC.ECMD(0x4A) //Set Trip point. + Release(\_SB.PCI0.LPCB.H_EC.PATM) + } + } + } + + // PATx (Participant Programmable Auxiliary Trip) - Sets Aux Trip Point + // + // The PATx objects shall take a single integer parameter, in tenths of degree Kelvin, which + // represents the temperature at which the device should notify the participant driver of + // an auxiliary trip event. A PATx control method returns no value. + // + // Arguments: (1) + // Arg0 - temperature in tenths of degree Kelvin + // Return Value: + // None + // + Method(PAT1, 1, Serialized) + { + If (\ECON) + { + Store (Acquire(\_SB.PCI0.LPCB.H_EC.PATM, 100),Local0) // save Acquire result so we can check for Mutex acquired + If (LEqual(Local0, Zero)) // check for Mutex acquired + { + Store(\_SB.IETM.KTOC(Arg0),HITP) + \_SB.PCI0.LPCB.H_EC.ECWT(0x4, RefOf(\_SB.PCI0.LPCB.H_EC.TSI)) + \_SB.PCI0.LPCB.H_EC.ECWT(0x2, RefOf(\_SB.PCI0.LPCB.H_EC.HYST)) + \_SB.PCI0.LPCB.H_EC.ECWT(HITP, RefOf(\_SB.PCI0.LPCB.H_EC.TSHT)) + \_SB.PCI0.LPCB.H_EC.ECMD(0x4A) //Set Trip point. + Release(\_SB.PCI0.LPCB.H_EC.PATM) + } + } + } + + // Thermal Sensor Hysteresis, 2 degrees + Name(GTSH, 20) + + // _DTI (Device Temperature Indication) + // + // Conveys the temperature of a device's internal temperature sensor to the platform when a temperature trip point + // is crossed or when a meaningful temperature change occurs. + // + // Arguments: (1) + // Arg0 - An Integer containing the current value of the temperature sensor (in tenths Kelvin) + // Return Value: + // None + // + Method(_DTI, 1) + { + Store(Arg0,LSTM) + Notify(TMEM, 0x91) // notify the participant of a trip point change event + } + + // _NTT (Notification Temperature Threshold) + // + // Returns the temperature change threshold for devices containing native temperature sensors to cause + // evaluation of the _DTI object + // + // Arguments: (0) + // None + // Return Value: + // An Integer containing the temperature threshold in tenths of degrees Kelvin. + // + Method(_NTT, 0) + { + Return(2782) // 5 degree Celcius, this could be a platform policy with setup item + } + + // PGMB (Pci GMch Bar) + // + // This object is required to be implemented on platforms supporting Intel code name Sandy Bridge processor. + // This object is not required for platforms supporting Intel code name Ivy Bridge processor. + // + // Arguments: (0) + // None + // Return Value: + // Return MCH Bar value. + // + Method(PGMB, 0) + { + Return(\_SB.PCI0.MHBR) // Return MCH Bar value + } + + } // End TMEM Device + +}// end Scope(\_SB.PCI0) |