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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
// Thermal Zone
External (\PPKG, MethodObj)
#define HAVE_THERMALZONE
Scope (\_TZ)
{
// Convert from Degrees C to 1/10 Kelvin for ACPI
Method (CTOK, 1) {
// 10th of Degrees C
Multiply (Arg0, 10, Local0)
// Convert to Kelvin
Add (Local0, 2732, Local0)
Return (Local0)
}
ThermalZone (THRM)
{
Name (_TC1, 0x02)
Name (_TC2, 0x05)
// Thermal zone polling frequency: 10 seconds
Name (_TZP, 100)
// Thermal sampling period for passive cooling: 2 seconds
Name (_TSP, 20)
// Threshold for OS to shutdown
Method (_CRT, 0, Serialized)
{
Return (CTOK (\TCRT))
}
// Threshold for passive cooling
Method (_PSV, 0, Serialized)
{
Return (CTOK (\TPSV))
}
// Processors used for passive cooling
Method (_PSL, 0, Serialized)
{
Return (\PPKG ())
}
Method (_TMP, 0, NotSerialized) // _TMP: Temperature
{
Store (\_SB.PCI0.LPCB.EC0.CPUT, Local0)
If (Local0 >= 0x80)
{
Store ("-----> CPU Temperature (INVALID): ", Debug)
Store (Local0, Debug)
Return (CTOK (0))
}
Store ("-----> CPU Temperature: ", Debug)
Store (Local0, Debug)
Return (CTOK (Local0))
}
}
ThermalZone (TZ00)
{
// Thermal zone polling frequency: 10 seconds
Name (_TZP, 100)
// Thermal sampling period for passive cooling: 2 seconds
Name (_TSP, 20)
// Threshold for OS to shutdown
Method (_CRT, 0, Serialized)
{
Return (CTOK (106))
}
Method (_TMP, 0, NotSerialized) // _TMP: Temperature
{
Store (\_SB.PCI0.LPCB.EC0.LOCT, Local0)
If (Local0 >= 0x80)
{
Store ("-----> LOC Temperature (INVALID): ", Debug)
Store (Local0, Debug)
Return (CTOK (0))
}
Store ("-----> LOC Temperature: ", Debug)
Store (Local0, Debug)
Return (CTOK (Local0))
}
}
ThermalZone (TZ01)
{
// Thermal zone polling frequency: 10 seconds
Name (_TZP, 100)
// Thermal sampling period for passive cooling: 2 seconds
Name (_TSP, 20)
// Threshold for OS to shutdown
Method (_CRT, 0, Serialized)
{
Return (CTOK (106))
}
Method (_TMP, 0, NotSerialized) // _TMP: Temperature
{
Store (\_SB.PCI0.LPCB.EC0.OEMT, Local0)
If (Local0 >= 0x80)
{
Store ("-----> OEM Temperature (INVALID): ", Debug)
Store (Local0, Debug)
Return (CTOK (0))
}
Store ("-----> OEM Temperature: ", Debug)
Store (Local0, Debug)
Return (CTOK (Local0))
}
}
}
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