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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2010 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
// Thermal Zone
Scope (\_TZ)
{
ThermalZone (THRM)
{
// TODO These could/should be read from the
// GNVS area, so they can be controlled by
// coreboot
Name(TC1V, 0x00)
Name(TC2V, 0x0a)
Name(TSPV, 0x32)
// Convert from °C to 1/10 Kelvin
Method(DEGR, 1, NotSerialized)
{
Store(Arg0, Local0)
// 10ths of degrees
Multiply(Local0, 10, Local0)
// 0°C is 273.15 K, we need to round it.
Add(Local0, 2732, Local0)
Return(Local0)
}
// At which temperature should the OS start
// active cooling?
Method (_AC0, 0, Serialized)
{
Return (0xf5c) // Value for Rocky
}
// Critical shutdown temperature
Method (_CRT, 0, Serialized)
{
Store(\_SB.PCI0.LPCB.EC0.CRTT, Local0)
Store(DEGR(Local0), Local0)
Return(Local0)
}
// CPU throttling start temperature
Method (_PSV, 0, Serialized)
{
Store(\_SB.PCI0.LPCB.EC0.CTRO, Local0)
Store(DEGR(Local0), Local0)
Return(Local0)
}
// Get DTS Temperature
Method (_TMP, 0, Serialized)
{
Store(\_SB.PCI0.LPCB.EC0.CTMP, Local0)
Store(DEGR(Local0), Local0)
Return(Local0)
}
// Processors used for active cooling
Method (_PSL, 0, Serialized)
{
If (MPEN) {
Return (Package() {\_PR.CPU0, \_PR.CPU1})
}
Return (Package() {\_PR.CPU0})
}
// TC1 value for passive cooling
Method (_TC1, 0, Serialized)
{
Return (TC1V)
}
// TC2 value for passive cooling
Method (_TC2, 0, Serialized)
{
Return (TC2V)
}
// Sampling period for passive cooling
Method (_TSP, 0, Serialized)
{
Return (TSPV)
}
}
}
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