Improve API for USB Powe delivery and power management.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Improve API to retrieve temperature information.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add support for fingerprint sensors managed by embedded controller.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Improve API between EC and Host to report events.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add new command for batched mode, add support for more sensors.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Introduce a new transport procotol between EC and host.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Improve API to verify EC image signature.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

New API split commands, improve EC command latency.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add API for fan control.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Added for supporting larger embedded controller flash.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Empty structure size is different between C and C++.
To prevent clang warning when compiling this include file in C++
programs, remove empty structures.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Move near the end of file.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add more fields and improve API when EC presents data through ACPI
memory space.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Replace (1 << ...) with BIT().
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

This change is required for compilation of embedded controller firmware
to work properly (See CONFIG_HOSTCMD_SECTION_SORTED).
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

To reduce code and improve performance of the embedded controller
firmware, pragma __aligned(2) or __aligned(4) are used when alignment to
16 or 32 bit boundary is expected.

Define all ec_align to packed when compiling kernel.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Fix comments syntax and spelling errors.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Defined out build macro used when compiling embedded controller
firmware.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Update to SPDX-License-Identifier, GPL-2.0
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NFabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Update the feature enum for the Chromebook Embedded Controller to the
latest version. Some of these enums are still not used in the kernel but
we might be also interested on have these enums up to date. Userspace
can use them to query the features to the EC via the cros-ec character
device.

While here, also fix a typo in one comment in the enum.
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Introduce the command and response structures for the second revision
of the host sleep event. These structures are part of a new EC change
that enables detection of failure to enter S0ix. The EC waits a
kernel-specified timeout (or a default amount of time) for the S0_SLP
pin to change, and wakes the system if that change does not occur in
time.
Signed-off-by: NEvan Green <evgreen@chromium.org>
Reviewed-by: NRajat Jain <rajatja@chromium.org>
Reviewed-by: NGuenter Roeck <groeck@chromium.org>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Integrated Sensor Hub (ISH) is also a MCU running EC
having feature bit EC_FEATURE_ISH. Instantiate it as
a special CrOS EC device with device name 'cros_ish'.
Signed-off-by: NRushikesh S Kadam <rushikesh.s.kadam@intel.com>
Reviewed-by: NAndy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: NGwendal Grignou <gwendal@chromium.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add EC host commands to control codec on EC.
Signed-off-by: NCheng-Yi Chiang <cychiang@chromium.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

This adds a "base attached" switch definition to the MKBP protocol that
is used by Whiskers driver to properly determine device state (clamshell
vs tablet mode).
Signed-off-by: NDmitry Torokhov <dtor@chromium.org>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

A new more command has been added to the ChromeOS embedded controller
that allows to get the number of charger port count. Unlike
EC_CMD_USB_PD_PORTS, this new command also includes the dedicated
port if present.

This command will be used to expose the dedicated charger port
in the ChromeOS charger driver.
Signed-off-by: NFabien Parent <fparent@baylibre.com>
Acked-for-MFD-by: NLee Jones <lee.jones@linaro.org>
Reviewed-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NSebastian Reichel <sebastian.reichel@collabora.com>

cros-ec includes inside the MFD subsystem, specially the file
cros_ec_commands.h, has been modified several times and it has grown a
lot, unfortunately, we didn't have care too much about the documentation.
This patch tries to improve the documentation and also fixes all the
issues reported by kerneldoc script.
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NBenson Leung <bleung@chromium.org>

The EC can expose a CEC bus, this patch adds the CEC related definitions
needed by the cros-ec-cec driver.
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Tested-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Having a 16 byte mkbp event size makes it possible to send CEC
messages from the EC to the AP directly inside the mkbp event
instead of first doing a notification and then a read.
Signed-off-by: NStefan Adolfsson <sadolfsson@chromium.org>
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Tested-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

The USBPD charger driver gets information from the ChromeOS EC, this
patch adds the USBPD charger definitions needed by this driver.
Signed-off-by: NSameer Nanda <snanda@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add info useful for debugging USB-PD port state.
Signed-off-by: NShawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NBenson Leung <bleung@chromium.org>

The EC can function as a simple RT, this patch adds the RTC related
definitions needed by the rtc-cros-ec driver.
Signed-off-by: NStephen Barber <smbarber@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NBenson Leung <bleung@chromium.org>
Reviewed-by: NBrian Norris <briannorris@chromium.org>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>

Extend the driver to notify host and device type cables and the presence
of power.
Signed-off-by: NBenson Leung <bleung@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: NChanwoo Choi <cw00.choi@samsung.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>

This is the driver for the USB Type C cable detection mechanism
built into the ChromeOS Embedded Controller on systems that
have USB Type-C ports.

At present, this allows for the presence of display out, but in
future, it may also be used to notify host and device type cables
and the presence of power.
Signed-off-by: NBenson Leung <bleung@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NChanwoo Choi <cw00.chio@samsung.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>

Don't let EC control suspend/resume sequence. If the EC controls the
lightbar and sets the sequence when it notices the chipset transitioning
between states, we can't make exceptions for cases where we don't want
to activate the lightbar. Instead, let's move the suspend/resume
notifications into the kernel so we can selectively play the sequences.
Signed-off-by: NEric Caruso <ejcaruso@chromium.org>
Signed-off-by: NGuenter Roeck <groeck@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NBenson Leung <bleung@chromium.org>

Add a program feature so we can upload and run programs for lightbar
sequences. We should be able to use this to shift sequences out of the
EC and save space there.

  $ cat <suitable program bin> > /sys/devices/.../cros_ec/program
  $ echo program > /sys/devices/.../cros_ec/sequence
Signed-off-by: NEric Caruso <ejcaruso@chromium.org>
Signed-off-by: NGuenter Roeck <groeck@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NBenson Leung <bleung@chromium.org>

ec_params_console_read_v1 is used to capture EC logs from kernel,
and ec_params_get_cmd_versions_v1 is used to probe whether EC
supports that command.
Signed-off-by: NNicolas Boichat <drinkcat@chromium.org>
Reviewed-by: NGuenter Roeck <groeck@chromium.org>
Acked-by: NLee Jones <lee.jones@linaro.org>
Tested-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NBenson Leung <bleung@chromium.org>

Some form factors (detachables/tablets) may not have a keyboard and
thus user may have to resort to using a defined EC UI to send sysrq(s)
to the kernel in order to collect crash info etc. This UI typically
is in the form of user pressing volume / power buttons in some specific
sequence and for some specific time. Add a new EC event that allows EC
to communicate the sysrq to the AP.

(We're skipping event number 5 because it has been reserved for
something else)
Signed-off-by: NRajat Jain <rajatja@google.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

Notify EC when going to or returning from suspend so that proper actions
related to wake events can be taken.
Signed-off-by: NShawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: NThierry Escande <thierry.escande@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add switch to report tablet mode.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Signed-off-by: NEnric Balletbo Serra <enric.balletbo@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Add the defines for the new buttons and switches connected to the CrosEC.
Signed-off-by: NDouglas Anderson <dianders@chromium.org>
Signed-off-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>