diff options
| -rw-r--r-- | src/ec/google/wilco/acpi/dptf.asl | 134 | ||||
| -rw-r--r-- | src/ec/google/wilco/acpi/ec.asl | 6 | ||||
| -rw-r--r-- | src/ec/google/wilco/acpi/ec_ram.asl | 14 | ||||
| -rw-r--r-- | src/ec/google/wilco/acpi/event.asl | 5 |
4 files changed, 159 insertions, 0 deletions
diff --git a/src/ec/google/wilco/acpi/dptf.asl b/src/ec/google/wilco/acpi/dptf.asl new file mode 100644 index 0000000000..f5545d0c79 --- /dev/null +++ b/src/ec/google/wilco/acpi/dptf.asl @@ -0,0 +1,134 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * + * 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. + */ + +/* + * Dynamic Platform Thermal Framework support + */ + +External (\_SB.DPTF.CTOK, MethodObj) +External (\_SB.DPTF.KTOC, MethodObj) +External (\_SB.DPTF.TEVT, MethodObj) + +/* Mutex for EC PAT interface */ +Mutex (PATM, 1) + +/* Read requested temperature sensor */ +Method (TSRD, 1, Serialized) +{ + If (Acquire (^PATM, 1000)) { + Return (0) + } + + /* Set sensor ID */ + W (DWTI, ToInteger (Arg0)) + + Local0 = R (DRTV) + + Release (^PATM) + Return (\_SB.DPTF.CTOK (Local0)) +} + +/* + * Set Aux Trip Point 0 + * Arg0 = Temp Sensor ID + * Arg1 = Value to set + */ +Method (PAT0, 2, Serialized) +{ + If (Acquire (^PATM, 1000)) { + Return (0) + } + + /* Set sensor ID */ + W (DWTI, ToInteger (Arg0)) + + /* Set LOW trip point for this sensor */ + W (DWTL, \_SB.DPTF.KTOC (Arg1)) + + Release (^PATM) + Return (1) +} + +/* + * Set Aux Trip Point 1 + * Arg0 = Temp Sensor ID + * Arg1 = Value to set + */ +Method (PAT1, 2, Serialized) +{ + If (Acquire (^PATM, 1000)) { + Return (0) + } + + /* Set sensor ID */ + W (DWTI, ToInteger (Arg0)) + + /* Set HIGH trip point for this sensor */ + W (DWTH, \_SB.DPTF.KTOC (Arg1)) + + Release (^PATM) + Return (1) +} + +/* + * Disable Aux Trip Points + * Arg0 = Temp Sensor ID + */ +Method (PATD, 1, Serialized) +{ + If (Acquire (^PATM, 1000)) { + Return (0) + } + + /* Set sensor ID */ + W (DWTI, ToInteger (Arg0)) + + /* Disable LOW and HIGH trip points */ + W (DWTL, 0xff) + W (DWTH, 0xff) + + Release (^PATM) + Return (1) +} + +/* + * Handle sensor trip events + */ +Method (PATX, 0, Serialized) +{ + Local0 = R (DRTQ) + Local1 = Local0 + + Printf ("Sensor trip mask: %o", Local0) + + If (LNot (Acquire (^PATM, 1000))) { + + /* Handle bits that are set */ + While (FindSetRightBit (Local1, Local2)) + { + /* DPTF will Notify sensor devices */ + \_SB.DPTF.TEVT (Local2) + + /* Clear current sensor number */ + Local1 &= ~(1 << (Local2 - 1)) + } + + Release (^PATM) + } + + /* Clear sensor events */ + W (DWTQ, Local0) +} diff --git a/src/ec/google/wilco/acpi/ec.asl b/src/ec/google/wilco/acpi/ec.asl index 67a698f6b6..ff8fccc596 100644 --- a/src/ec/google/wilco/acpi/ec.asl +++ b/src/ec/google/wilco/acpi/ec.asl @@ -49,6 +49,11 @@ Device (EC0) /* Tell EC to stop emulating PS/2 mouse */ W (PS2M, Zero) + + /* Enable DPTF support if enabled in devicetree */ + If (\DPTE == One) { + W (DWST, Arg1) + } } /* @@ -142,4 +147,5 @@ Device (EC0) #include "event.asl" #include "lid.asl" #include "platform.asl" + #include "dptf.asl" } diff --git a/src/ec/google/wilco/acpi/ec_ram.asl b/src/ec/google/wilco/acpi/ec_ram.asl index 6ea2366b0a..1563a3c8af 100644 --- a/src/ec/google/wilco/acpi/ec_ram.asl +++ b/src/ec/google/wilco/acpi/ec_ram.asl @@ -106,6 +106,14 @@ Name (BSBS, Package () { 0x2a, 0xff, RD }) /* BSTATIC: Battery String */ Name (QSEC, Package () { 0x2b, 0xff, RD }) /* QS Event Count */ Name (QSEB, Package () { 0x2c, 0xff, RD }) /* QS Event Byte */ +Name (DRST, Package () { 0x32, 0xff, RD }) /* DPTF: Read State */ +Name (DRTI, Package () { 0x33, 0xff, RD }) /* DPTF: Read Thermal Index */ +Name (DRTV, Package () { 0x34, 0xff, RD }) /* DPTF: Read Thermal Value */ +Name (DRTL, Package () { 0x35, 0xff, RD }) /* DPTF: Read Trip Low */ +Name (DRTH, Package () { 0x36, 0xff, RD }) /* DPTF: Read Trip High */ +Name (DRHY, Package () { 0x37, 0xff, RD }) /* DPTF: Read Hysteresis */ +Name (DRTQ, Package () { 0x38, 0xff, RD }) /* DPTF: Read Trip Query */ + Name (ORST, Package () { 0x39, 0xff, RD }) /* Orientation State */ Name (OREV, Package () { 0x3a, 0xff, RD }) /* Orientation Events */ Name (OECH, Package () { 0x3a, 0x01, RD }) /* Event: Orientation */ @@ -128,3 +136,9 @@ Name (SSEL, Package () { 0x04, 0xff, WR }) /* Battery String Select */ Name (ERDY, Package () { 0x05, 0xff, WR }) /* EC Ready */ Name (FWAK, Package () { 0x06, 0xff, WR }) /* EC _WAK */ Name (PS2M, Package () { 0x20, 0xff, WR }) /* EC PS/2 Mouse Emulation */ +Name (DWST, Package () { 0x32, 0xff, WR }) /* DPTF: Write State */ +Name (DWTI, Package () { 0x33, 0xff, WR }) /* DPTF: Write Thermal Index */ +Name (DWTL, Package () { 0x35, 0xff, WR }) /* DPTF: Write Trip Low */ +Name (DWTH, Package () { 0x36, 0xff, WR }) /* DPTF: Write Trip High */ +Name (DWHY, Package () { 0x37, 0xff, WR }) /* DPTF: Write Hysteresis */ +Name (DWTQ, Package () { 0x38, 0xff, WR }) /* DPTF: Write Trip Query */ diff --git a/src/ec/google/wilco/acpi/event.asl b/src/ec/google/wilco/acpi/event.asl index 4d796b5c85..21721f2750 100644 --- a/src/ec/google/wilco/acpi/event.asl +++ b/src/ec/google/wilco/acpi/event.asl @@ -87,6 +87,11 @@ Method (ECQ2, 1, Serialized) Method (ECQ3, 1, Serialized) { Printf ("EVT3: %o", Arg0) + + /* Theraml Events */ + If (EBIT (E3TH, Arg0)) { + ^PATX () + } } /* Handle events in PmEv4 */ |