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If a UCSI event comes in when the EC is in S0ix mode then the kernel
driver attempts a transaction but fails and this can leave the system
in an unexpected state where the only wake source is the power button.
This change will not notify the UCSI driver if the EC is in S0ix mode
and instead keep track of the event and send it on resume.
BUG=b:157923800
TEST=tested on drallion system:
1. Put drallion system into suspend
2. Attach power supply
3. Ensure the system can wake with keypress
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I43acb089385d9b41ac955f053e409daad67423f1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42237
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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According to the Wilco EC spec the BTSC bit of PWSR is always cleared
when PWSR is read so that battery status change events are only
triggered one time. Testing of the Wilco EC has verified this behavior.
This changes the way in which the battery status change bit is used from
checking the bit state against the previous value to always issuing a
battery event when the BTSC bit is set. The other bits in PWSR indicate
state directly and do not behave like the BTSC bit.
BUG=b:157113138
TEST=Deploy on Drallion and verify that battery events are generated
BRANCH=drallion, sarien
Signed-off-by: Mathew King <mathewk@chromium.org>
Change-Id: I8fbf2ee1158ddd790b04a20b1eb27a6cce4f5c81
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42017
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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Stefan thinks they don't add value.
Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)
The exceptions are for:
- crossgcc (patch file)
- gcov (imported from gcc)
- elf.h (imported from GNU's libc)
- nvramtool (more complicated header)
The removed lines are:
- fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-# This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */
Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Done with sed and God Lines. Only done for C-like code for now.
Change-Id: I422d072a9ab3350e364004ba34911cd183fc6612
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40052
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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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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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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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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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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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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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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