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Diffstat (limited to 'src/mainboard/google/beltino/acpi/thermal.asl')
| -rw-r--r-- | src/mainboard/google/beltino/acpi/thermal.asl | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/src/mainboard/google/beltino/acpi/thermal.asl b/src/mainboard/google/beltino/acpi/thermal.asl new file mode 100644 index 0000000000..af36a5c985 --- /dev/null +++ b/src/mainboard/google/beltino/acpi/thermal.asl @@ -0,0 +1,339 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. + * + * 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. + */ + +#include <variant/thermal.h> + +// Thermal Zone + +Scope (\_TZ) +{ + ThermalZone (THRM) + { + Name (_TC1, 0x02) + Name (_TC2, 0x05) + + // Thermal zone polling frequency: 10 seconds + Name (_TZP, 100) + + // Thermal sampling period for passive cooling: 2 seconds + Name (_TSP, 20) + + // Convert from Degrees C to 1/10 Kelvin for ACPI + Method (CTOK, 1) { + // 10th of Degrees C + Multiply (Arg0, 10, Local0) + + // Convert to Kelvin + Add (Local0, 2732, Local0) + + Return (Local0) + } + + // Threshold for OS to shutdown + Method (_CRT, 0, Serialized) + { + Return (CTOK (\TCRT)) + } + + // Threshold for passive cooling + Method (_PSV, 0, Serialized) + { + Return (CTOK (\TPSV)) + } + + // Processors used for passive cooling + Method (_PSL, 0, Serialized) + { + Return (\PPKG ()) + } + + // Start fan at state 4 = lowest temp state + Method (_INI) + { + Store (4, \FLVL) + Store (FAN4_PWM, \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + + Method (TCHK, 0, Serialized) + { + // Get CPU Temperature from PECI via SuperIO TMPIN3 + Store (\_SB.PCI0.LPCB.SIO.ENVC.TIN3, Local0) + + // Check for "no reading available" + If (LEqual (Local0, 0x80)) { + Return (CTOK (FAN0_THRESHOLD_ON)) + } + + // Check for invalid readings + If (LOr (LEqual (Local0, 255), LEqual (Local0, 0))) { + Return (CTOK (FAN0_THRESHOLD_ON)) + } + + // PECI raw value is an offset from Tj_max + Subtract (255, Local0, Local1) + + // Handle values greater than Tj_max + If (LGreaterEqual (Local1, \TMAX)) { + Return (CTOK (\TMAX)) + } + + // Subtract from Tj_max to get temperature + Subtract (\TMAX, Local1, Local0) + Return (CTOK (Local0)) + } + + Method (_TMP, 0, Serialized) + { + // Get temperature from SuperIO in deci-kelvin + Store (TCHK (), Local0) + + // Critical temperature in deci-kelvin + Store (CTOK (\TMAX), Local1) + + If (LGreaterEqual (Local0, Local1)) { + Store ("CRITICAL TEMPERATURE", Debug) + Store (Local0, Debug) + + // Wait 1 second for SuperIO to re-poll + Sleep (1000) + + // Re-read temperature from SuperIO + Store (TCHK (), Local0) + + Store ("RE-READ TEMPERATURE", Debug) + Store (Local0, Debug) + } + + Return (Local0) + } + + Method (_AC0) { + If (LLessEqual (\FLVL, 0)) { + Return (CTOK (FAN0_THRESHOLD_OFF)) + } Else { + Return (CTOK (FAN0_THRESHOLD_ON)) + } + } + + Method (_AC1) { + If (LLessEqual (\FLVL, 1)) { + Return (CTOK (FAN1_THRESHOLD_OFF)) + } Else { + Return (CTOK (FAN1_THRESHOLD_ON)) + } + } + + Method (_AC2) { + If (LLessEqual (\FLVL, 2)) { + Return (CTOK (FAN2_THRESHOLD_OFF)) + } Else { + Return (CTOK (FAN2_THRESHOLD_ON)) + } + } + + Method (_AC3) { + If (LLessEqual (\FLVL, 3)) { + Return (CTOK (FAN3_THRESHOLD_OFF)) + } Else { + Return (CTOK (FAN3_THRESHOLD_ON)) + } + } + + Method (_AC4) { + If (LLessEqual (\FLVL, 4)) { + Return (CTOK (FAN4_THRESHOLD_OFF)) + } Else { + Return (CTOK (FAN4_THRESHOLD_ON)) + } + } + + Name (_AL0, Package () { FAN0 }) + Name (_AL1, Package () { FAN1 }) + Name (_AL2, Package () { FAN2 }) + Name (_AL3, Package () { FAN3 }) + Name (_AL4, Package () { FAN4 }) + + PowerResource (FNP0, 0, 0) + { + Method (_STA) { + If (LLessEqual (\FLVL, 0)) { + Return (One) + } Else { + Return (Zero) + } + } + Method (_ON) { + If (LNot (_STA ())) { + Store (0, \FLVL) + Store (FAN0_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + Method (_OFF) { + If (_STA ()) { + Store (1, \FLVL) + Store (FAN1_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + } + + PowerResource (FNP1, 0, 0) + { + Method (_STA) { + If (LLessEqual (\FLVL, 1)) { + Return (One) + } Else { + Return (Zero) + } + } + Method (_ON) { + If (LNot (_STA ())) { + Store (1, \FLVL) + Store (FAN1_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + Method (_OFF) { + If (_STA ()) { + Store (2, \FLVL) + Store (FAN2_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + } + + PowerResource (FNP2, 0, 0) + { + Method (_STA) { + If (LLessEqual (\FLVL, 2)) { + Return (One) + } Else { + Return (Zero) + } + } + Method (_ON) { + If (LNot (_STA ())) { + Store (2, \FLVL) + Store (FAN2_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + Method (_OFF) { + If (_STA ()) { + Store (3, \FLVL) + Store (FAN3_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + } + + PowerResource (FNP3, 0, 0) + { + Method (_STA) { + If (LLessEqual (\FLVL, 3)) { + Return (One) + } Else { + Return (Zero) + } + } + Method (_ON) { + If (LNot (_STA ())) { + Store (3, \FLVL) + Store (FAN3_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + Method (_OFF) { + If (_STA ()) { + Store (4, \FLVL) + Store (FAN4_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + } + + PowerResource (FNP4, 0, 0) + { + Method (_STA) { + If (LLessEqual (\FLVL, 4)) { + Return (One) + } Else { + Return (Zero) + } + } + Method (_ON) { + If (LNot (_STA ())) { + Store (4, \FLVL) + Store (FAN4_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + Method (_OFF) { + If (_STA ()) { + Store (4, \FLVL) + Store (FAN4_PWM, + \_SB.PCI0.LPCB.SIO.ENVC.F2PS) + Notify (\_TZ.THRM, 0x81) + } + } + } + + Device (FAN0) + { + Name (_HID, EISAID ("PNP0C0B")) + Name (_UID, 0) + Name (_PR0, Package () { FNP0 }) + } + + Device (FAN1) + { + Name (_HID, EISAID ("PNP0C0B")) + Name (_UID, 1) + Name (_PR0, Package () { FNP1 }) + } + + Device (FAN2) + { + Name (_HID, EISAID ("PNP0C0B")) + Name (_UID, 2) + Name (_PR0, Package () { FNP2 }) + } + + Device (FAN3) + { + Name (_HID, EISAID ("PNP0C0B")) + Name (_UID, 3) + Name (_PR0, Package () { FNP3 }) + } + + Device (FAN4) + { + Name (_HID, EISAID ("PNP0C0B")) + Name (_UID, 4) + Name (_PR0, Package () { FNP4 }) + } + } +} |