diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi/dptf/dptf.asl')
-rw-r--r-- | src/soc/intel/skylake/acpi/dptf/dptf.asl | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/acpi/dptf/dptf.asl b/src/soc/intel/skylake/acpi/dptf/dptf.asl new file mode 100644 index 0000000000..7a8a8c7ea0 --- /dev/null +++ b/src/soc/intel/skylake/acpi/dptf/dptf.asl @@ -0,0 +1,102 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * 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 (DPTF) +{ + Name (_HID, EISAID ("INT3400")) + Name (_UID, 0) + + Name (IDSP, Package() + { + /* DPPM Passive Policy 1.0 */ + ToUUID ("42A441D6-AE6A-462B-A84B-4A8CE79027D3"), + + /* DPPM Critical Policy */ + ToUUID ("97C68AE7-15FA-499c-B8C9-5DA81D606E0A"), + + /* DPPM Cooling Policy */ + ToUUID ("16CAF1B7-DD38-40ED-B1C1-1B8A1913D531"), + }) + + Method (_STA) + { + If (LEqual (\DPTE, One)) { + Return (0xF) + } Else { + Return (0x0) + } + } + + /* + * Arg0: Buffer containing UUID + * Arg1: Integer containing Revision ID of buffer format + * Arg2: Integer containing count of entries in Arg3 + * Arg3: Buffer containing list of DWORD capabilities + * Return: Buffer containing list of DWORD capabilities + */ + Method (_OSC, 4, Serialized) + { + /* Check for Passive Policy UUID */ + If (LEqual (DeRefOf (Index (IDSP, 0)), Arg0)) { + /* Initialize Thermal Devices */ + ^TINI () + +#ifdef DPTF_ENABLE_CHARGER + /* Initialize Charger Device */ + ^TCHG.INIT () +#endif + } + + Return (Arg3) + } + + /* Priority based _TRT */ + Name (TRTR, 1) + + Method (_TRT) + { + Return (\_SB.DTRT) + } + + /* 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) + } + + /* Include Thermal Participants */ + #include "thermal.asl" + +#ifdef DPTF_ENABLE_CHARGER + /* Include Charger Participant */ + #include "charger.asl" +#endif + +} + +Scope (\_SB.PCI0) +{ + #include "cpu.asl" +} |