diff options
Diffstat (limited to 'src/mainboard/asrock/e350m1/acpi/thermal.asl')
-rw-r--r-- | src/mainboard/asrock/e350m1/acpi/thermal.asl | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/mainboard/asrock/e350m1/acpi/thermal.asl b/src/mainboard/asrock/e350m1/acpi/thermal.asl new file mode 100644 index 0000000000..ec1fbf06dc --- /dev/null +++ b/src/mainboard/asrock/e350m1/acpi/thermal.asl @@ -0,0 +1,88 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, 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") */ + } + } + + 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 */ +} |