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They're listed in AUTHORS and often incorrect anyway, for example:
- What's a "Copyright $year-present"?
- Which incarnation of Google (Inc, LLC, ...) is the current
copyright holder?
- People sometimes have their editor auto-add themselves to files even
though they only deleted stuff
- Or they let the editor automatically update the copyright year,
because why not?
- Who is the copyright holder "The coreboot project Authors"?
- Or "Generated Code"?
Sidestep all these issues by simply not putting these notices in
individual files, let's list all copyright holders in AUTHORS instead
and use the git history to deal with the rest.
Change-Id: I89b10076e0f4a4b3acd59160fb7abe349b228321
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39611
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Store LID status into LIDS and change device name to LID0.
Then Intel driver can reference it.
BUG=b:151134069
TEST=check LID status by evtest
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Ifdac938730eac034b626aa8ad9d52462f65137ba
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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ACPI method TEVT is reported as unused by iASL (20190509) when ChromeEC support is not
enabled. The message is “Method Argument is never used (Arg0)” on Method (TEVT, 1, NotSerialized),
which indicates the TEVT method is empty.
The solution is to only enable the TEVT code in mainboard or SoC when an EC is used that uses
this event. The TEVT code in the EC is only enabled if the mainboard or SoC code implements TEVT.
The TEVT method will be removed from the ASL code when the EC does not support TEVT.
BUG=N/A
TEST=Tested on facebook monolith.
Change-Id: I8d2e14407ae2338e58797cdc7eb7d0cadf3cc26e
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37560
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
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Add ACPI methods to the Wilco EC for controlling a privacy screen
on the device.
BUG=b:142237145, b:142656363
TEST=none
Change-Id: Ic3c136f9d2de90eeb3c9e468e4c7430ccf6dcc42
Signed-off-by: Mathew King <mathewk@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36044
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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ACPI Version 6.3 Section 6.1: "A device object must contain either an _HID
object or an _ADR object, but should not contain both."
Change-Id: If3ee38f3eaa8e6d1c1b0393d0ba289f708e0ae5e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36293
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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ACPI Version 6.3 Section 6.1: "A device object must contain either an _HID
object or an _ADR object, but should not contain both."
Found-by: ACPICA 20191018
Change-Id: Ic0bcaa37ac017ab61e1fb4e78d3c7dfbbcc0899d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36262
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
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We are seeing an EC interrupt after setting the EC RAM offset that
indicates that the EC should transition to S0ix mode and this is
preventing the kernel from going into S0ix on the first try.
As a workaround if we read back from the EC RAM while still in the
_DSM handler it seems to prevent this problem.
BUG=b:130644677
BRANCH=sarien
TEST=ensure s0ix entry works on the first try with sarien
Change-Id: Id607c4c2b14b79d0cd1bcea0c2032be2f2c0c141
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33455
Reviewed-by: Shaunak Saha <shaunak.saha@intel.corp-partner.google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This change adds support for the UCSI specification in order to
provide information about the Type-C port and an interface to
perform power and data role swap.
This change is split across the DSDT and SSDT, with the shared
memory and operation region declared in the SSDT after being
allocated in CBMEM.
The OS will fill in the registers in the system memory region and
then call the _DSM method wtih a read or write argument. The DSM
method will copy the required registers to/from the system memory
and the EC and perform the write or read action.
Responses from the EC will generate a new SCI with event code 0x79
which will notify this UCSI ACPI device and the OS driver will take
action to read status from the EC.
BUG=b:131083691
Change-Id: I438a2bdfaf6720acd8354e0339dcef2844b63a4e
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32357
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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I added a method to fill out the _BIX package structure but never
hooked it up to the expected _BIX method that the OS uses.
This change adds _BIX method and uses the existing method to fill
it out. It also adds ^ before the _UID in _BIF to match _BIX as
the _UID is one level above the method.
Change-Id: I0de91369b6780fd9432990732c1078a73f6a3419
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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This will be used to distinguish the mainboard SKU so that the
correct EC firmware can be bundled with the board.
This is read from EC RAM so it can be used by an ACPI method in
the future.
BUG=b:119490232
Change-Id: I71b8017fc4b88e793dfe709e1cb1ab0f0bcdc4fa
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32001
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Both tent mode (0x01) and tablet mode (0x02) should be considered tablet
mode by ChromeOS.
BRANCH=none
BUG=b:122052438
TEST=ChromeOS enters tablet mode when lid angle exceeds 180
Change-Id: I89ba8141350fc628c8cff89d5f33aa47c6ae6afe
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31907
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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This patch is a raw application of
find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g'
Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This change fixes the power status events for AC and battery
events from the EC. The register that was being used is not
returning the expected information.
BUG=b:125472740
TEST=enable ACPI debug in the kernel and verify that AC and
battery insert/remove are detected properly.
Change-Id: I15f71fcf0ca6aa9438e951865787c9fc273792d8
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/31560
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Add an ACPI device that is compatible with the Intel Virtual
Button kernel driver for reporting tablet mode state and various
virtual button events that may come from the EC.
This driver is used in Windows and in the Linux kernel at
drivers/platform/x86/intel-vbtn.c
Because of a check in the kernel driver it expects the board to
define the SMBIOS enclosure type as convertible for the check at
driver load time for tablet/laptop and dock/undock to work.
The virtual tablet mode button will proxy the tablet mode state
sent from the Sensor Hub to a SW_TABLET_MODE event in the kernel.
The virtual power button is used during S0ix for the EC to wake
the system with an SCI. There are separate press and release
events which are sent for completeness, although the kernel driver
will ignore the release event.
BUG=b:73137291
TEST=Test that the power button can wake the system from S0ix.
Also verify that the device is reported as laptop mode at boot.
Change-Id: I0d5dc985a3cfb1d01ff164c4e67f17e6b1cdd619
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/31208
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add a separate ACPI device for the Wilco EC event interface so that the
OS drivers can bind to it separately. Since the event handling is all
done with ACPI and not mailbox calls this will be implemented as a
standard acpi_driver in the kernel.
BUG=b:119046283
TEST=veriy device exists in DSDT
Change-Id: I5259a926fb6d5faea835bcdefa12f0184c5adf4a
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/31204
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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1) In the EC _REG method set the flag indicating S0ix support in the OS.
2) Add a function that can be called by the LPI _DSM method to indicate
to the EC that the OS is entering or exiting S0ix.
BUG=b:73137291
Change-Id: Iddc33a08542a6657694c47a9fda1b02dd39d89f7
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/31094
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Shaunak Saha <shaunak.saha@intel.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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There is a dependency issue with the EC DPTF code accessing
methods that are external, but once the mainboard includes the
relevant code they become internal and the current version of
IASL used by jenkins will fail to compile it.
Until the new IASL is deployed everywhere wrap the EC DPTF code
and expect that the mainboard will explicitly enable it.
Change-Id: I612ad8f86d424060ca0303d267d7c2915c760173
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/30036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Add the support needed for DPTF. This includes the methods to
write trip point values, read temperatures, and handle events.
This was tested on a sarien board by inspecting AML debug output
with the kernel while monitoring temperatures and trip points in
sysfs and controlling temperatures with a fan to ensure that when
a trip point is crossed an SCI is generated and the event is
handled properly.
Change-Id: I8d8570d176c0896fa709a6c782b319f58d3c1e52
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/29761
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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- Disable debug output from read/write methods by default
- Use argument to _REG to disable SCI when EC is unregistered
- Change read/write macros to sync level 2 so they can be called
when a mutex is already held
- Define some missing events
Change-Id: Ic65ebbb6a6151444c47b4aeff7429e186856c49a
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/29760
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Extended events will be handled by the OS kernel driver, but that
driver needs a method exposed by ACPI to read the event data from
the EC and into a buffer.
Tested by generating a hotkey event and reading the buffer from
the Linux kernel driver with acpi_evaluate_object().
Change-Id: Ic8510e38d777a5dd31a5237867313efefeb2b48e
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/29674
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Enable the COM1 ACPI device based on the existing Kconfig option
CONFIG_DRIVERS_UART_8250IO instead of expecting the mainboard to
also define another value for ACPI.
Change-Id: I69361cc2c245cfcad3e4f57567bf56d5a26f0b06
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/29672
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add a way for the mainboard to provide a wake pin that the EC
will use to wake the system. This defines a _PRW object.
Change-Id: I94954104bbb8226683c37abc8c0465fe3c62a693
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29408
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add ACPI devices for the basic SuperIO functionality provided by the EC
for PS/2 keyboard, PS/2 mouse (trackpad emulation), and legacy UART.
The specific defines to enable these devices should be declared by the
mainboard before including this ASL, the same as the Chrome EC behavior.
Change-Id: I910940ebf26b8758ab12d695e1eba9c668c640c6
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29125
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Add methods to handle ACPI EC events at runtime. Currently only
some common events are handled like lid switch and battery info,
and the event status is printed for debug on other events.
Change-Id: Ic0bd070940c8a2dfa6a251f3464301418bdb69c1
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29124
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Add the expected objects (_BST, _BIF, _BIX) for reading battery
information and status from the embedded controller, and the
expected objects for reporting AC power status.
The battery was tested by booting with a battery attached and checking
that it is present in /sys/class/power_supply/BAT0 and that the values
are consistent and within expected ranges.
The AC device was tested by checking the AC status in sysfs when AC
is inserted or removed while the system is running.
Change-Id: Ie996891c383c9e990736690aef9795512ad6d35a
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Add the base ACPI support for the Wilco embedded controller, using
ASL 2.0 syntax throughout.
This includes the EC device and its resources, as well as the layout
for the EC RAM and the functions needed to read and write to the EC RAM.
The EC RAM address space is typically read/write, and so the ACPI EC
device expects that a defined Field can be read and/or written. With
this EC the read and write address spaces are different. For example,
a read from address zero will return data that is unrelated to what a
write to address zero expects.
This makes using a typical OperationRegion to describe the EC RAM
address space somewhat impracticle, since field definitions would
overlap. Instead, methods are provided for reading and writing to an
EC RAM offset, and the EC RAM layout is defined as a Package that
describes offset+mask for read or write fields within the EC RAM.
Change-Id: If8cfdf2633db1ccad4306fe877180ba197ee7414
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29122
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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