| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Siemens AG, Inc. |
| * (Written by Josef Kellermann <joseph.kellermann@heitec.de> for Siemens AG, Inc.) |
| * |
| * 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 */ |
| Scope(\_TZ) { |
| Name (KELV, 2732) |
| Name (THOT, 800) |
| Name (TCRT, 850) |
| |
| ThermalZone(TZ00) { |
| Method(_AC0,0) { /* Active Cooling 0 (0=highest fan speed) */ |
| /* DBGO("\\_TZ\\TZ00\\_AC0\n") */ |
| Return(Add(0, 2730)) |
| } |
| Method(_AL0,0) { /* Returns package of cooling device to turn on */ |
| /* DBGO("\\_TZ\\TZ00\\_AL0\n") */ |
| Return(Package() {\_TZ.TZ00.FAN0}) |
| } |
| Device (FAN0) { |
| Name(_HID, EISAID("PNP0C0B")) |
| Name(_PR0, Package() {PFN0}) |
| } |
| |
| PowerResource(PFN0,0,0) { |
| Method(_STA) { |
| Store(0xF,Local0) |
| Return(Local0) |
| } |
| Method(_ON) { |
| /* DBGO("\\_TZ\\TZ00\\FAN0 _ON\n") */ |
| } |
| Method(_OFF) { |
| /* DBGO("\\_TZ\\TZ00\\FAN0 _OFF\n") */ |
| } |
| } |
| |
| // Processors used for active cooling |
| Method (_PSL, 0, Serialized) |
| { |
| If (MPEN) { |
| Return (Package() {\_PR.CPU0, \_PR.CPU1}) |
| } |
| Return (Package() {\_PR.CPU0}) |
| } |
| |
| Method(_HOT,0) { /* return hot temp in tenths degree Kelvin */ |
| /* DBGO("\\_TZ\\TZ00\\_HOT\n") */ |
| Return (Add (THOT, KELV)) |
| } |
| Method(_CRT,0) { /* return critical temp in tenths degree Kelvin */ |
| /* DBGO("\\_TZ\\TZ00\\_CRT\n") */ |
| Return (Add (TCRT, KELV)) |
| } |
| Method(_TMP,0) { /* return current temp of this zone */ |
| Store (SMBR (0x07, 0x4C,, 0x00), Local0) |
| If (LGreater (Local0, 0x10)) { |
| Store (Local0, Local1) |
| } |
| Else { |
| Add (Local0, THOT, Local0) |
| Return (Add (400, KELV)) |
| } |
| |
| Store (SMBR (0x07, 0x4C, 0x01), Local0) |
| /* only the two MSBs in the external temperature low byte are used, resolution 0.25. We ignore it */ |
| /* Store (SMBR (0x07, 0x4C, 0x10), Local2) */ |
| If (LGreater (Local0, 0x10)) { |
| If (LGreater (Local0, Local1)) { |
| Store (Local0, Local1) |
| } |
| |
| Multiply (Local1, 10, Local1) |
| Return (Add (Local1, KELV)) |
| } |
| Else { |
| Add (Local0, THOT, Local0) |
| Return (Add (400 , KELV)) |
| } |
| } /* end of _TMP */ |
| } /* end of TZ00 */ |
| } |
