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/**************************************************************************;
;* *;
;* *;
;* Intel Corporation - ACPI Reference Code for the Baytrail *;
;* Family of Customer Reference Boards. *;
;* *;
;* *;
;* Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved *;
;
; This program and the accompanying materials are licensed and made available under
; the terms and conditions of the BSD License that accompanies this distribution.
; The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;* *;
;* *;
;**************************************************************************/
// THERMAL.ASL represents a Thermal Zone to be used for testing on the
// Customer Reference Boards.
External(\_SB.DPTF.CTOK, MethodObj)
Scope(\_TZ)
{
// Thermal Zone 1 = DTS Thermal Zone.
ThermalZone(TZ01)
{
// Return the temperature at which the OS must perform a Critcal
// Shutdown.
Method(_CRT,0,Serialized)
{
Return(Add(2732,Multiply(CRTT,10)))
}
// Notifies ASL Code the current cooling mode.
// 0 - Active cooling
// 1 - Passive cooling
Method(_SCP,1,Serialized)
{
Store(Arg0,CTYP)
}
// _TMP (Temperature)
//
// Return the highest of the CPU temperatures to the OS.
//
// 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(DTSE)
{
If(LGreater(DTS2, DTS1))
{
Store(DTS2,Local0)
} else
{
Store(DTS1,Local0)
}
If (LEqual(And(Local0, 0x80), 0)) {
Return(Add(2732,Multiply(Local0,10)))
} else {
Add(Subtract(255, Local0), 1, Local0)
Return(Subtract(2732,Multiply(Local0,10)))
}
//
// Else return a static value if both EC and DTS are unavailable.
//
} Else
{
Return(3000) // (3000-2732)/10 = 26.8 degree C
}
}
// Return the Processor(s) used for Passive Cooling.
Method(_PSL,0,Serialized)
{
If(LEqual(MPEN, 4))
{
// CMP - Throttling controls all four logical CPUs.
Return(Package() {\_PR.CPU0,\_PR.CPU1,\_PR.CPU2,\_PR.CPU3})
}
If(MPEN)
{
// CMP - Throttling controls both CPUs.
Return(Package() {\_PR.CPU0,\_PR.CPU1})
}
Return(Package() {\_PR.CPU0})
}
// Returns the temperature at which the OS initiates CPU throttling.
Method(_PSV,0,Serialized)
{
Return(Add(2732,Multiply(PSVT,10)))
}
// Returns TC1 value used in the passive cooling formula.
Method(_TC1,0,Serialized)
{
Return(TC1V)
}
// Returns TC2 value used in the passive cooling formula.
Method(_TC2,0,Serialized)
{
Return(TC2V)
}
// Returns the sampling period used in the passive cooling formula.
Method(_TSP,0,Serialized)
{
Return(TSPV)
}
// Returns Hot Temperature
Method(_HOT,0,Serialized)
{
Subtract(CRTT, 5, Local0)
Return(Add(2732,Multiply(Local0,10)))
}
}
}
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