diff options
| -rw-r--r-- | src/soc/intel/skylake/acpi/dptf/dptf.asl | 18 | ||||
| -rw-r--r-- | src/soc/intel/skylake/acpi/dptf/fan.asl | 72 |
2 files changed, 90 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/acpi/dptf/dptf.asl b/src/soc/intel/skylake/acpi/dptf/dptf.asl index 4f1c5645d0..61f982c4b9 100644 --- a/src/soc/intel/skylake/acpi/dptf/dptf.asl +++ b/src/soc/intel/skylake/acpi/dptf/dptf.asl @@ -29,6 +29,11 @@ Device (DPTF) /* DPPM Cooling Policy */ ToUUID ("16CAF1B7-DD38-40ED-B1C1-1B8A1913D531"), + +#ifdef DPTF_ENABLE_FAN_CONTROL + /* DPPM Active Policy */ + ToUUID ("3A95C389-E4B8-4629-A526-C52C88626BAE"), +#endif }) Method (_STA) @@ -71,6 +76,14 @@ Device (DPTF) Return (\_SB.DTRT) } +#ifdef DPTF_ENABLE_FAN_CONTROL + /* _ART : Active Cooling Relationship Table */ + Method (_ART) + { + Return (\_SB.DART) + } +#endif + /* Convert from Degrees C to 1/10 Kelvin for ACPI */ Method (CTOK, 1) { /* 10th of Degrees C */ @@ -90,6 +103,11 @@ Device (DPTF) #include "charger.asl" #endif +#ifdef DPTF_ENABLE_FAN_CONTROL + /* Include Fan Participant */ + #include "fan.asl" +#endif + } Scope (\_SB.PCI0) diff --git a/src/soc/intel/skylake/acpi/dptf/fan.asl b/src/soc/intel/skylake/acpi/dptf/fan.asl new file mode 100644 index 0000000000..0501385998 --- /dev/null +++ b/src/soc/intel/skylake/acpi/dptf/fan.asl @@ -0,0 +1,72 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corporation. + * + * 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. + */ + +Device (TFN1) +{ + Name (_HID, "INT3404") + Name (_UID, 0) + Name (_STR, Unicode("Fan Control")) + + /* _FIF: Fan Information */ + Name (_FIF, Package () + { + 0, // Revision + 1, // Fine Grained Control + 2, // Step Size + 0 // No Low Speed Notification + }) + + /* Return Fan Performance States defined by mainboard */ + Method (_FPS) + { + Return (\_SB.DFPS) + } + + Name (TFST, Package () + { + 0, // Revision + 0x00, // Control + 0x00 // Speed + }) + + /* _FST: Fan current Status */ + Method (_FST, 0, Serialized,,PkgObj) + { + /* Fill in TFST with current control. */ + Store (\_SB.PCI0.LPCB.EC0.FAND, Index (TFST, 1)) + Return (TFST) + } + + /* _FSL: Fan Speed Level */ + Method (_FSL, 1, Serialized) + { + Store (Arg0, \_SB.PCI0.LPCB.EC0.FAND) + Notify (DPTF, 0x83) // Re evaluate _ART + } + + Method (_STA) + { + If (LEqual (\DPTE, One)) + { + Return (0xF) + } Else { + Return (0x0) + } + } +} |