| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * Copyright (C) 2012 secunet Security Networks AG |
| * |
| * 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) |
| { |
| /* degree Celcius to deci-Kelvin (ACPI temperature unit) */ |
| Method(C2dK, 1) { |
| Add (2732, Multiply (Arg0, 10), Local0) |
| Return (Local0) |
| } |
| |
| ThermalZone (THRM) |
| { |
| |
| // FIXME these could/should be read from the |
| // GNVS area, so they can be controlled by |
| // coreboot |
| Name(TC1V, 0x04) |
| Name(TC2V, 0x03) |
| Name(TSPV, 0x96) |
| |
| // At which temperature should the OS start |
| // active cooling? |
| Method (_AC0, 0, Serialized) |
| { |
| Return (C2dK(120)) // Value for Rocky |
| } |
| |
| // Critical shutdown temperature |
| Method (_CRT, 0, Serialized) |
| { |
| Return (C2dK(155)) // Value for Rocky |
| } |
| |
| // CPU throttling start temperature |
| Method (_PSV, 0, Serialized) |
| { |
| Return (C2dK(105)) // Value for Rocky |
| } |
| |
| // Get DTS Temperature |
| Method (_TMP, 0, Serialized) |
| { |
| If (\_SB.PCI0.LPCB.EC0.ALRC) { |
| Store(0, \_SB.PCI0.LPCB.EC0.ALRC) |
| Return(_AC0()) |
| } |
| |
| If (\_SB.PCI0.LPCB.EC0.ALRL) { |
| Store(0, THRO) |
| Store(0, \_SB.PCI0.LPCB.EC0.ALRL) |
| } |
| |
| If (\_SB.PCI0.LPCB.EC0.ALRH) { |
| Store(1, THRO) |
| Store(0, \_SB.PCI0.LPCB.EC0.ALRH) |
| } |
| |
| /* vendor BIOS reports 0K if TCPU >= 128 deg C ?!? */ |
| Return (C2dK(\_SB.PCI0.LPCB.EC0.TCPU)) |
| } |
| |
| |
| // 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) |
| } |
| |
| |
| } |
| } |
| |
