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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/x86/acpi/statdef.asl>
Scope(\_TZ)
{
#if defined(EC_LENOVO_H8_ME_WORKAROUND)
Name (MEB1, 0)
Name (MEB2, 0)
#endif
Method(C2K, 1, NotSerialized)
{
Multiply(Arg0, 10, Local0)
Add (Local0, 2732, Local0)
if (LLessEqual(Local0, 2732)) {
Return (3000)
}
if (LGreater(Local0, 4012)) {
Return (3000)
}
Return (Local0)
}
ThermalZone(THM0)
{
/* Thermal zone polling frequency: 10 seconds */
Name (_TZP, 100)
/* Thermal sampling period for passive cooling: 10 seconds */
Name (_TSP, 100)
/* Coefficients for passive cooling */
Name (_TC1, 0x02)
Name (_TC2, 0x05)
/* Generated by acpigen */
External (\PPKG, MethodObj)
/* Processors used for passive cooling */
Method (_PSL, 0, Serialized)
{
Return (\PPKG ())
}
/* Get critical temperature in degree celsius */
Method (GCRT, 0, NotSerialized) {
Store (\TCRT, Local0)
if (LGreater (Local0, 0)) {
Return (Local0)
}
Return (127)
}
/* Get passive temperature in degree celsius */
Method (GPSV, 0, NotSerialized) {
Store (\TPSV, Local0)
if (LGreater (Local0, 0)) {
Return (Local0)
}
Return (95)
}
Method (_CRT, 0, NotSerialized) {
Return (C2K (GCRT ()))
}
Method (_PSV, 0, NotSerialized) {
Return (C2K (GPSV ()))
}
Method(_TMP) {
#if defined(EC_LENOVO_H8_ME_WORKAROUND)
/* Avoid tripping alarm if ME isn't booted at all yet */
If (LAnd (LNot (MEB1), LEqual (\_SB.PCI0.LPCB.EC.TMP0, 128))) {
Return (C2K(40))
}
Store (1, MEB1)
#endif
Return (C2K(\_SB.PCI0.LPCB.EC.TMP0))
}
Method (_AC0) {
Store (GPSV (), Local0)
/* Active fan 10 degree below passive threshold */
Subtract (Local0, 10, Local0)
If (\FLVL) {
/* Turn of 5 degree below trip point */
Subtract (Local0, 5, Local0)
}
Return (C2K (Local0))
}
Name (_AL0, Package () { FAN })
PowerResource (FPwR, 0, 0)
{
/*
* WINDOWS BUG: Don't read from EmbeddedControl
* in PowerResources. Use system-memory instead!
*/
Method (_STA) {
Return (\FLVL)
}
/*
* WINDOWS BUG: Don't write to FIELD elements located
* in another ACPI scope. Call a method that does it!
*/
Method (_ON) {
\_SB.PCI0.LPCB.EC.FANE(One)
Store (One, \FLVL)
Notify (\_TZ.THM0, NOTIFY_TZ_TRIPPTCHG)
}
Method (_OFF) {
\_SB.PCI0.LPCB.EC.FANE(Zero)
Store (Zero, \FLVL)
Notify (\_TZ.THM0, NOTIFY_TZ_TRIPPTCHG)
}
}
Device (FAN)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_PR0, Package () { FPwR })
}
}
ThermalZone(THM1)
{
/* Thermal zone polling frequency: 10 seconds */
Name (_TZP, 100)
/* Thermal sampling period for passive cooling: 10 seconds */
Name (_TSP, 100)
/* Coefficients for passive cooling */
Name (_TC1, 0x02)
Name (_TC2, 0x05)
/* Processors used for passive cooling */
Method (_PSL, 0, Serialized)
{
Return (\PPKG ())
}
Method (_CRT, 0, NotSerialized) {
Return (C2K (99))
}
Method (_PSV, 0, NotSerialized) {
Return (C2K (94))
}
Method(_TMP) {
#if defined(EC_LENOVO_H8_ME_WORKAROUND)
/* Avoid tripping alarm if ME isn't booted at all yet */
If (LAnd (LNot (MEB2), LEqual (\_SB.PCI0.LPCB.EC.TMP1, 128))) {
Return (C2K(40))
}
Store (1, MEB2)
#endif
Return (C2K(\_SB.PCI0.LPCB.EC.TMP1))
}
}
}
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