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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Dynamic Platform Thermal Framework support
*/
/* Mutex for EC PAT interface */
Mutex (PATM, 0)
/* Read requested temperature sensor */
Method (TSRD, 1, Serialized)
{
If (Acquire (^PATM, 1000)) {
Return (0)
}
/* Set sensor ID */
W (DWTI, ToInteger (Arg0))
Local0 = R (DRTV)
Release (^PATM)
Return (\_SB.DPTF.CTOK (Local0))
}
/*
* Set Aux Trip Point 0
* Arg0 = Temp Sensor ID
* Arg1 = Value to set
*/
Method (PAT0, 2, Serialized)
{
If (Acquire (^PATM, 1000)) {
Return (0)
}
/* Set sensor ID */
W (DWTI, ToInteger (Arg0))
/* Set LOW trip point for this sensor */
W (DWTL, \_SB.DPTF.KTOC (Arg1))
Release (^PATM)
Return (1)
}
/*
* Set Aux Trip Point 1
* Arg0 = Temp Sensor ID
* Arg1 = Value to set
*/
Method (PAT1, 2, Serialized)
{
If (Acquire (^PATM, 1000)) {
Return (0)
}
/* Set sensor ID */
W (DWTI, ToInteger (Arg0))
/* Set HIGH trip point for this sensor */
W (DWTH, \_SB.DPTF.KTOC (Arg1))
Release (^PATM)
Return (1)
}
/*
* Disable Aux Trip Points
* Arg0 = Temp Sensor ID
*/
Method (PATD, 1, Serialized)
{
If (Acquire (^PATM, 1000)) {
Return (0)
}
/* Set sensor ID */
W (DWTI, ToInteger (Arg0))
/* Disable LOW and HIGH trip points */
W (DWTL, 0xff)
W (DWTH, 0xff)
Release (^PATM)
Return (1)
}
/*
* Handle sensor trip events
*/
Method (PATX, 0, Serialized)
{
Local0 = R (DRTQ)
Local1 = Local0
Printf ("Sensor trip mask: %o", Local0)
If (!Acquire (^PATM, 1000)) {
/* Handle bits that are set */
While (FindSetRightBit (Local1, Local2))
{
#ifdef HAVE_THERM_EVENT_HANDLER
/* DPTF will Notify sensor devices */
\_SB.DPTF.TEVT (Local2)
#endif
/* Clear current sensor number */
Local1 &= ~(1 << (Local2 - 1))
}
Release (^PATM)
}
/* Clear sensor events */
W (DWTQ, Local0)
}
#ifdef EC_ENABLE_MULTIPLE_DPTF_PROFILES
/*
* Read current Device DPTF Profile Number
*/
Method (RCDP, 0, NotSerialized)
{
Local0 = R(DRTI)
If (Local0 == 0) {
Return (R(OTBL))
} else {
Return (Local0 - 1)
}
}
#endif
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