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Diffstat (limited to 'ReferenceCode/AcpiTables/Dptf/AcpiTables/T_VRParticipant.asl')
| -rw-r--r-- | ReferenceCode/AcpiTables/Dptf/AcpiTables/T_VRParticipant.asl | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/ReferenceCode/AcpiTables/Dptf/AcpiTables/T_VRParticipant.asl b/ReferenceCode/AcpiTables/Dptf/AcpiTables/T_VRParticipant.asl new file mode 100644 index 0000000..6ade5f0 --- /dev/null +++ b/ReferenceCode/AcpiTables/Dptf/AcpiTables/T_VRParticipant.asl @@ -0,0 +1,184 @@ +/*++ + 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: + + T_VRParticipant.asl + +Abstract: + + Intel ACPI Reference Code for Dynamic Platform & Thermal Framework + +--*/ + +Scope(\_SB.PCI0.LPCB.H_EC) +{ + + Device(T_VR) // VR temperature sensor + { + Name(_HID, EISAID("INT3403")) // Intel DPTF Temperature Sensor Device + Name(_UID, 2) + + Name(HITP, 0x64) + Name(VAUX, 0x10) + Name(_STR, Unicode ("VR Temperature Sensor")) + Name(PTYP, 0x03) + + // _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(VRDE,1)){ + Return(0x0F) + } Else { + Return(0x00) + } + } + + // _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, 0, Serialized) + { + If(\ECON) + { + // Get the CPU VR Temperature. + Return(\_SB.IETM.CTOK(\_SB.PCI0.LPCB.H_EC.ECRD(RefOf(\_SB.PCI0.LPCB.H_EC.CVRT)))) + } Else { + Return(3000) + } + } + + // Returns Number of Aux Trips available + 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),VAUX) + \_SB.PCI0.LPCB.H_EC.ECWT(0x0, 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(VAUX, 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(0x0, 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) + + Name(LSTM,0) // Last temperature reported + + // _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(T_VR, 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 + } + + } // End T_VR Device +}// end Scope(\_SB.PCI0.LPCB.H_EC) |