A function has a different name between their prototype
and its kernel-doc markup:
../drivers/platform/surface/aggregator/ssh_request_layer.c:1065: warning: expecting prototype for ssh_rtl_tx_start(). Prototype was for ssh_rtl_start() instead
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/4a6bf33cfbd06654d78294127f2b6d354d073089.1610610937.git.mchehab+huawei@kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Newer ideapads (e.g.: Yoga 14s, 720S 14) come with ELAN0634 touchpad do not
use EC to switch touchpad.
Reading VPCCMD_R_TOUCHPAD will return zero thus touchpad may be blocked
unexpectedly.
Writing VPCCMD_W_TOUCHPAD may cause a spurious key press.
Add has_touchpad_switch to workaround these machines.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: stable@vger.kernel.org # 5.4+
--
v2: Specify touchpad to ELAN0634
v3: Stupid missing ! in v2
v4: Correct acpi_dev_present usage (Hans)
Link: https://lore.kernel.org/r/20210107144438.12605-1-jiaxun.yang@flygoat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
CI static analysis complains about the allocation size in payload and
response buffers being unchecked. In general, these allocations should
be safe as the user-input is u16 and thus limited to U16_MAX, which is
only slightly larger than the theoretical maximum imposed by the
underlying SSH protocol.
All bounds on these values required by the underlying protocol are
enforced in ssam_request_sync() (or rather the functions called by it),
thus bounds here are only relevant for allocation.
Add comments explaining that this should be safe.
Reported-by: Colin Ian King <colin.king@canonical.com>
Fixes: 178f6ab77e ("platform/surface: Add Surface Aggregator user-space interface")
Addresses-Coverity: ("Untrusted allocation size")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210111154851.325404-3-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When copy_struct_from_user() in ssam_cdev_request() fails, we directly
jump to the 'out' label. In this case, however 'spec' and 'rsp' are not
initialized, but we still access fields of those variables. Fix this by
initializing them at the time of their declaration.
Reported-by: Colin Ian King <colin.king@canonical.com>
Fixes: 178f6ab77e ("platform/surface: Add Surface Aggregator user-space interface")
Addresses-Coverity: ("Uninitialized pointer read")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210111154851.325404-2-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The left shift of int 32 bit integer constant 1 is evaluated using 32 bit
arithmetic and then passed as a 64 bit function argument. In the case where
func is 32 or more this can lead to an oveflow. Avoid this by shifting
using the BIT_ULL macro instead.
Addresses-Coverity: ("Unintentional integer overflow")
Fixes: fc00bc8ac1 ("platform/surface: Add Surface ACPI Notify driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210111144648.20498-1-colin.king@canonical.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Newer ideapads (e.g.: Yoga 14s, 720S 14) come with ELAN0634 touchpad do not
use EC to switch touchpad.
Reading VPCCMD_R_TOUCHPAD will return zero thus touchpad may be blocked
unexpectedly.
Writing VPCCMD_W_TOUCHPAD may cause a spurious key press.
Add has_touchpad_switch to workaround these machines.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: stable@vger.kernel.org # 5.4+
--
v2: Specify touchpad to ELAN0634
v3: Stupid missing ! in v2
v4: Correct acpi_dev_present usage (Hans)
Link: https://lore.kernel.org/r/20210107144438.12605-1-jiaxun.yang@flygoat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Surface ACPI Notify (SAN) device provides an ACPI interface to the
Surface Aggregator EC, specifically the Surface Serial Hub interface.
This interface allows EC requests to be made from ACPI code and can
convert a subset of EC events back to ACPI notifications.
Specifically, this interface provides a GenericSerialBus operation
region ACPI code can execute a request by writing the request command
data and payload to this operation region and reading back the
corresponding response via a write-then-read operation. Furthermore,
this interface provides a _DSM method to be called when certain events
from the EC have been received, essentially turning them into ACPI
notifications.
The driver provided in this commit essentially takes care of translating
the request data written to the operation region, executing the request,
waiting for it to finish, and finally writing and translating back the
response (if the request has one). Furthermore, this driver takes care
of enabling the events handled via ACPI _DSM calls. Lastly, this driver
also exposes an interface providing discrete GPU (dGPU) power-on
notifications on the Surface Book 2, which are also received via the
operation region interface (but not handled by the SAN driver directly),
making them accessible to other drivers (such as a dGPU hot-plug driver
that may be added later on).
On 5th and 6th generation Surface devices (Surface Pro 5/2017, Pro 6,
Book 2, Laptop 1 and 2), the SAN interface provides full battery and
thermal subsystem access, as well as other EC based functionality. On
those models, battery and thermal sensor devices are implemented as
standard ACPI devices of that type, however, forward ACPI calls to the
corresponding Surface Aggregator EC request via the SAN interface and
receive corresponding notifications (e.g. battery information change)
from it. This interface is therefore required to provide said
functionality on those devices.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-10-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add a misc-device providing user-space access to the Surface Aggregator
EC, mainly intended for debugging, testing, and reverse-engineering.
This interface gives user-space applications the ability to send
requests to the EC and receive the corresponding responses.
The device-file is managed by a pseudo platform-device and corresponding
driver to avoid dependence on the dedicated bus, allowing it to be
loaded in a minimal configuration.
A python library and scripts to access this device can be found at [1].
[1]: https://github.com/linux-surface/surface-aggregator-module/tree/master/scripts/ssam
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-9-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Surface Aggregator EC provides varying functionality, depending on
the Surface device. To manage this functionality, we use dedicated
client devices for each subsystem or virtual device of the EC. While
some of these clients are described as standard devices in ACPI and the
corresponding client drivers can be implemented as platform drivers in
the kernel (making use of the controller API already present), many
devices, especially on newer Surface models, cannot be found there.
To simplify management of these devices, we introduce a new bus and
client device type for the Surface Aggregator subsystem. The new device
type takes care of managing the controller reference, essentially
guaranteeing its validity for as long as the client device exists, thus
alleviating the need to manually establish device links for that purpose
in the client driver (as has to be done with the platform devices).
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-7-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit adds error injection hooks to the Surface Serial Hub
communication protocol implementation, to:
- simulate simple serial transmission errors,
- drop packets, requests, and responses, simulating communication
failures and potentially trigger retransmission timeouts, as well as
- inject invalid data into submitted and received packets.
Together with the trace points introduced in the previous commit, these
facilities are intended to aid in testing, validation, and debugging of
the Surface Aggregator communication layer.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20201221183959.1186143-6-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add trace points to the Surface Aggregator subsystem core. These trace
points can be used to track packets, requests, and allocations. They are
further intended for debugging and testing/validation, specifically in
combination with the error injection capabilities introduced in the
subsequent commit.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20201221183959.1186143-5-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Event items are used for completing Surface Aggregator EC events, i.e.
placing event command data and payload on a workqueue for later
processing to avoid doing said processing directly on the receiver
thread. This means that event items are allocated for each incoming
event, regardless of that event being transmitted via sequenced or
unsequenced packets.
On the Surface Book 3 and Surface Laptop 3, touchpad HID input events
(unsequenced), can constitute a larger amount of traffic, and therefore
allocation of event items. This warrants caching event items to reduce
memory fragmentation. The size of the cached objects is specifically
tuned to accommodate keyboard and touchpad input events and their
payloads on those devices. As a result, this effectively also covers
most other event types. In case of a larger event payload, event item
allocation will fall back to kzalloc().
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-4-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Surface Serial Hub communication is, in its core, packet based. Each
sequenced packet requires to be acknowledged, via an ACK-type control
packet. In case invalid data has been received by the driver, a NAK-type
(not-acknowledge/negative acknowledge) control packet is sent,
triggering retransmission.
Control packets are therefore a core communication primitive and used
frequently enough (with every sequenced packet transmission sent by the
embedded controller, including events and request responses) that it may
warrant caching their allocations to reduce possible memory
fragmentation.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-3-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add Surface System Aggregator Module core and Surface Serial Hub driver,
required for the embedded controller found on Microsoft Surface devices.
The Surface System Aggregator Module (SSAM, SAM or Surface Aggregator)
is an embedded controller (EC) found on 4th and later generation
Microsoft Surface devices, with the exception of the Surface Go series.
This EC provides various functionality, depending on the device in
question. This can include battery status and thermal reporting (5th and
later generations), but also HID keyboard (6th+) and touchpad input
(7th+) on Surface Laptop and Surface Book 3 series devices.
This patch provides the basic necessities for communication with the SAM
EC on 5th and later generation devices. On these devices, the EC
provides an interface that acts as serial device, called the Surface
Serial Hub (SSH). 4th generation devices, on which the EC interface is
provided via an HID-over-I2C device, are not supported by this patch.
Specifically, this patch adds a driver for the SSH device (device HID
MSHW0084 in ACPI), as well as a controller structure and associated API.
This represents the functional core of the Surface Aggregator kernel
subsystem, introduced with this patch, and will be expanded upon in
subsequent commits.
The SSH driver acts as the main attachment point for this subsystem and
sets-up and manages the controller structure. The controller in turn
provides a basic communication interface, allowing to send requests from
host to EC and receiving the corresponding responses, as well as
managing and receiving events, sent from EC to host. It is structured
into multiple layers, with the top layer presenting the API used by
other kernel drivers and the lower layers modeled after the serial
protocol used for communication.
Said other drivers are then responsible for providing the (Surface model
specific) functionality accessible through the EC (e.g. battery status
reporting, thermal information, ...) via said controller structure and
API, and will be added in future commits.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-2-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
In some corner cases downgrade of the superspeed typec device(e.g. Dell
typec Dock, apple dongle) was seen because before the SOC mux configuration
finishes, EC starts configuring the next mux state.
With this change, once the SOC mux is configured, kernel will send an
acknowledgment to EC via Host command EC_CMD_USB_PD_MUX_ACK [1].
After sending the host event EC will wait for the acknowledgment from
kernel before starting the PD negotiation for the next mux state. This
helps to have a framework to build better error handling along with the
synchronization of timing sensitive mux states.
This change also brings in corresponding EC header updates from the EC code
base [1].
[1]:
https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/include/ec_commands.h
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201210060903.2205-3-utkarsh.h.patel@intel.com
cros_typec_cmds_supported() is currently being used to check only one
feature flag.
Add a new feature parameter to it so that it can be used to check
multiple feature flags supported in cros_ec.
Rename cros_typec_cmds_supported() to cros_typec_feature_supported().
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201210060903.2205-2-utkarsh.h.patel@intel.com
Modify the altmode registration (and unregistration) code so that it
can be used by both partners and plugs.
Then, add code to register plug altmodes using the newly parameterized
function. Also set the number of alternate modes for the plug using the
associated Type C connector class function
typec_plug_set_num_altmodes().
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-12-pmalani@chromium.org
In order to register cable alternate modes, we need to first register a
plug object. Use the Type C connector class framework to register a SOP'
plug for this purpose.
Since a cable and plug go hand in hand, we can handle the registration
and removal together.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-11-pmalani@chromium.org
Set the number of altmodes available for a registered partner using the
Type C connector class framework routine.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-10-pmalani@chromium.org
Use the PD VDO Type C cable plug type macro to retrieve and store the
cable plug type in the cable descriptor.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-9-pmalani@chromium.org
When the Chrome Embedded Controller notifies the driver that SOP'
discovery is complete, retrieve the PD discovery data and register a
cable object with the Type C connector class framework.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-8-pmalani@chromium.org
Rename the sop_disc data struct which is used to store PD discovery data
to the more generic name of disc_data. It can then be re-used to store
and process cable discovery data.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-7-pmalani@chromium.org
Factor out the PD identity parsing code into a separate function. This
way it can be re-used for Cable PD identity parsing in future patches.
No functional changes are introduced by this patch.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-6-pmalani@chromium.org
Change the disc_done flag, which indicates whether PD discovery is
complete, to sop_disc_done instead, since we will process SOP and SOP'
discovery data separately.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201116201150.2919178-5-pmalani@chromium.org
lkp reported that CONFIG_DEBUG_FS was not defined because of wrong usage
if macro, correcting it now.
Fixes: 156ec4731c ("platform/x86: amd-pmc: Add AMD platform support for S2Idle")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20201230081028.2615217-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The previous commit adding functionality for the palm sensor had a
mistake which meant the error conditions on initialisation was not checked
correctly. On some older platforms this meant that if the sensor wasn't
available an error would be returned and the driver would fail to load.
This commit corrects the error condition. Many thanks to Mario Oenning
for reporting and determining the issue
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20201230024726.7861-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Dell Inspiron 7352 is a 2-in-1 model that has chassis-type "Notebook".
Add this model to the dmi_switches_allow_list.
Signed-off-by: Arnold Gozum <arngozum@gmail.com>
Link: https://lore.kernel.org/r/20201226205307.249659-1-arngozum@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Estar Beauty HD (MID 7316R) tablet uses a Goodix touchscreen,
with the X and Y coordinates swapped compared to the LCD panel.
Add a touchscreen_dmi entry for this adding a "touchscreen-swapped-x-y"
device-property to the i2c-client instantiated for this device before
the driver binds.
This is the first entry of a Goodix touchscreen to touchscreen_dmi.c,
so far DMI quirks for Goodix touchscreen's have been added directly
to drivers/input/touchscreen/goodix.c. Currently there are 3
DMI tables in goodix.c:
1. rotated_screen[] for devices where the touchscreen is rotated
180 degrees vs the LCD panel
2. inverted_x_screen[] for devices where the X axis is inverted
3. nine_bytes_report[] for devices which use a non standard touch
report size
Arguably only 3. really needs to be inside the driver and the other
2 cases are better handled through the generic touchscreen DMI quirk
mechanism from touchscreen_dmi.c, which allows adding device-props to
any i2c-client. Esp. now that goodix.c is using the generic
touchscreen_properties code.
Alternative to the approach from this patch we could add a 4th
dmi_system_id table for devices with swapped-x-y axis to goodix.c,
but that seems undesirable.
Cc: Bastien Nocera <hadess@hadess.net>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201224135158.10976-1-hdegoede@redhat.com
There are several reports about the tps6598x causing
interrupt flood on boards with the INT3515 ACPI node, which
then causes instability. There appears to be several
problems with the interrupt. One problem is that the
I2CSerialBus resources do not always map to the Interrupt
resource with the same index, but that is not the only
problem. We have not been able to come up with a solution
for all the issues, and because of that disabling the device
for now.
The PD controller on these platforms is autonomous, and the
purpose for the driver is primarily to supply status to the
userspace, so this will not affect any functionality.
Reported-by: Moody Salem <moody@uniswap.org>
Fixes: a3dd034a17 ("ACPI / scan: Create platform device for INT3515 ACPI nodes")
Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201223143644.33341-1-heikki.krogerus@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
All Microsoft Surface platform-specific device drivers depend on ACPI,
but the gatekeeper symbol SURFACE_PLATFORMS does not. Hence when the
user is configuring a kernel without ACPI support, he is still asked
about Microsoft Surface drivers, even though this question is
irrelevant.
Fix this by moving the dependency on ACPI from the individual driver
symbols to SURFACE_PLATFORMS.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201216133752.1321978-1-geert@linux-m68k.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix build warnings when CONFIG_PM_SLEEP is not enabled and these
functions are not used:
../drivers/platform/surface/surface_gpe.c:189:12: warning: ‘surface_gpe_resume’ defined but not used [-Wunused-function]
static int surface_gpe_resume(struct device *dev)
^~~~~~~~~~~~~~~~~~
../drivers/platform/surface/surface_gpe.c:184:12: warning: ‘surface_gpe_suspend’ defined but not used [-Wunused-function]
static int surface_gpe_suspend(struct device *dev)
^~~~~~~~~~~~~~~~~~~
Fixes: 274335f1c5 ("platform/surface: Add Driver to set up lid GPEs on MS Surface device")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: platform-driver-x86@vger.kernel.org
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201214233336.19782-1-rdunlap@infradead.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
cros_ec_typec:
* A series from Prashant for Type-C to implement TYPEC_STATUS, parsing USB PD
Partner ID VDOs, and registering partner altmodes.
cros_ec misc:
* Don't treat RTC events as wakeup sources in cros_ec_proto
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Merge tag 'tag-chrome-platform-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- A series from Prashant for Type-C to implement TYPEC_STATUS,
parsing USB PD Partner ID VDOs, and registering partner altmodes.
cros_ec misc:
- Don't treat RTC events as wakeup sources in cros_ec_proto"
* tag 'tag-chrome-platform-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_typec: Tolerate unrecognized mux flags
platform/chrome: cros_ec_typec: Register partner altmodes
platform/chrome: cros_ec_typec: Parse partner PD ID VDOs
platform/chrome: cros_ec_typec: Introduce TYPEC_STATUS
platform/chrome: cros_ec: Import Type C host commands
platform/chrome: cros_ec_typec: Clear partner identity on device removal
platform/chrome: cros_ec_typec: Fix remove partner logic
platform/chrome: cros_ec_typec: Relocate set_port_params_v*() functions
platform/chrome: Don't treat RTC events as wakeup sources
Pull thermal updates from Daniel Lezcano:
- Add upper and lower limits clamps for the cooling device state in the
power allocator governor (Michael Kao)
- Add upper and lower limits support for the power allocator governor
(Lukasz Luba)
- Optimize conditions testing for the trip points (Bernard Zhao)
- Replace spin_lock_irqsave by spin_lock in hard IRQ on the rcar driver
(Tian Tao)
- Add MT8516 dt-bindings and device reset optional support (Fabien
Parent)
- Add a quiescent period to cool down the PCH when entering S0iX
(Sumeet Pawnikar)
- Use bitmap API instead of re-inventing the wheel on sun8i (Yangtao
Li)
- Remove useless NULL check in the hwmon driver (Bernard Zhao)
- Update the current state in the cpufreq cooling device only if the
frequency change is effective (Zhuguangqing)
- Improve the schema validation for the rcar DT bindings (Geert
Uytterhoeven)
- Fix the user time unit in the documentation (Viresh Kumar)
- Add PCI ids for Lewisburg PCH (Andres Freund)
- Add hwmon support on amlogic (Martin Blumenstingl)
- Fix build failure for PCH entering on in S0iX (Randy Dunlap)
- Improve the k_* coefficient for the power allocator governor (Lukasz
Luba)
- Fix missing const on a sysfs attribute (Rikard Falkeborn)
- Remove broken interrupt support on rcar to be replaced by a new one
(Niklas Söderlund)
- Improve the error code handling at init time on imx8mm (Fabio
Estevam)
- Compute interval validity once instead at each temperature reading
iteration on acerhdf (Daniel Lezcano)
- Add r8a779a0 support (Niklas Söderlund)
- Add PCI ids for AlderLake PCH and mmio refactoring (Srinivas
Pandruvada)
- Add RFIM and mailbox support on int340x (Srinivas Pandruvada)
- Use macro for temperature calculation on PCH (Sumeet Pawnikar)
- Simplify return conditions at probe time on Broadcom (Zheng Yongjun)
- Fix workload name on PCH (Srinivas Pandruvada)
- Migrate the devfreq cooling device code to the energy model API
(Lukasz Luba)
- Emit a warning if the thermal_zone_device_update is called without
the .get_temp() ops (Daniel Lezcano)
- Add critical and hot ops for the thermal zone (Daniel Lezcano)
- Remove notification usage when critical is reached on rcar (Daniel
Lezcano)
- Fix devfreq build when ENERGY_MODEL is not set (Lukasz Luba)
* tag 'thermal-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (45 commits)
thermal/drivers/devfreq_cooling: Fix the build when !ENERGY_MODEL
thermal/drivers/rcar: Remove notification usage
thermal/core: Add critical and hot ops
thermal/core: Emit a warning if the thermal zone is updated without ops
drm/panfrost: Register devfreq cooling and attempt to add Energy Model
thermal: devfreq_cooling: remove old power model and use EM
thermal: devfreq_cooling: add new registration functions with Energy Model
thermal: devfreq_cooling: use a copy of device status
thermal: devfreq_cooling: change tracing function and arguments
thermal: int340x: processor_thermal: Correct workload type name
thermal: broadcom: simplify the return expression of bcm2711_thermal_probe()
thermal: intel: pch: use macro for temperature calculation
thermal: int340x: processor_thermal: Add mailbox driver
thermal: int340x: processor_thermal: Add RFIM driver
thermal: int340x: processor_thermal: Add AlderLake PCI device id
thermal: int340x: processor_thermal: Refactor MMIO interface
thermal: rcar_gen3_thermal: Add r8a779a0 support
dt-bindings: thermal: rcar-gen3-thermal: Add r8a779a0 support
platform/x86/drivers/acerhdf: Check the interval value when it is set
platform/x86/drivers/acerhdf: Use module_param_cb to set/get polling interval
...
Highlights:
- New driver for changing BIOS settings from within Linux on Dell devices,
this introduces a new generic sysfs API for this. Lenovo is working on
also supporting this API on their devices
- New Intel PMT telemetry and crashlog drivers
- Support for SW_TABLET_MODE reporting for the acer-wmi and intel-hid drivers
- Preparation work for improving support for Microsoft Surface hardware
- Various fixes / improvements / quirks for the panasonic-laptop and others
The following is an automated git shortlog grouped by driver:
ISST:
- Mark mmio_range_devid_0 and mmio_range_devid_1 with static keyword
- Change PCI device macros
- Allow configurable offset range
- Check for unaligned mmio address
Intel PMT Crashlog capability driver:
- Intel PMT Crashlog capability driver
Intel PMT Telemetry capability driver:
- Intel PMT Telemetry capability driver
Intel PMT class driver:
- Intel PMT class driver
Introduce support for Systems Management Driver over WMI for Dell Systems:
- Introduce support for Systems Management Driver over WMI for Dell Systems
MAINTAINERS:
- new panasonic-laptop maintainer
- rectify DELL WMI SYSMAN DRIVERS section
Merge tag 'ib-mfd-x86-v5.11' into review-hans:
- Merge tag 'ib-mfd-x86-v5.11' into review-hans
PCI:
- Add defines for Designated Vendor-Specific Extended Capability
Revert "platform/x86:
- wmi: Destroy on cleanup rather than unregister"
acer-wireless:
- send an EV_SYN/SYN_REPORT between state changes
acer-wmi:
- Add ACER_CAP_KBD_DOCK quirk for the Aspire Switch 10E SW3-016
- add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
- Add support for SW_TABLET_MODE on Switch devices
- Add ACER_CAP_SET_FUNCTION_MODE capability flag
- Add new force_caps module parameter
- Cleanup accelerometer device handling
- Cleanup ACER_CAP_FOO defines
- Drop no-op set_quirks call from find_quirks
amd-pmc:
- Add AMD platform support for S2Idle
asus-wmi:
- Add userspace notification for performance mode change
- Add support for SW_TABLET_MODE on UX360
dell-smbios-base:
- Fix error return code in dell_smbios_init
dell-wmi-sysman:
- work around for BIOS bug
- fix init_bios_attributes() error handling
docs:
- ABI: sysfs-class-firmware-attributes: solve some warnings
i2c-multi-instantiate:
- Use device_get_match_data() to get driver data
- Simplify with dev_err_probe()
- Drop redundant ACPI_PTR()
intel-hid:
- add Rocket Lake ACPI device ID
- Do not create SW_TABLET_MODE input-dev when a KIOX010A ACPI dev is present
- Add alternative method to enable switches
- Add support for SW_TABLET_MODE
- fix _DSM function index handling
intel-vbtn:
- Fix SW_TABLET_MODE always reporting 1 on some HP x360 models
- Allow switch events on Acer Switch Alpha 12
- Support for tablet mode on HP Pavilion 13 x360 PC
intel_pmc_core:
- Assign boolean values to a bool variable
mfd:
- Intel Platform Monitoring Technology support
mlx-platform:
- Fix item counter assignment for MSN2700/ComEx system
- Fix item counter assignment for MSN2700, MSN24xx systems
- remove an unused variable
- Remove PSU EEPROM from MSN274x platform configuration
- Remove PSU EEPROM from default platform configuration
panasonic-laptop:
- Add sysfs attributes for firmware brightness registers
- Add support for battery charging threshold (eco mode)
- Resolve hotkey double trigger bug
- Add write support to mute
- Fix sticky key init bug
- Fix naming of platform files for consistency with other modules
- Split MODULE_AUTHOR() by one author per macro call
- Replace ACPI prints with pr_*() macros
- Add support for optical driver power in Y and W series
platform:
- Add Surface platform directory
platform/mellanox:
- mlxbf-pmc: Add Mellanox BlueField PMC driver
platform/surface:
- gpe: Add support for 15" Intel version of Surface Laptop 3
- Add Driver to set up lid GPEs on MS Surface device
- Move Surface Pro 3 Button driver to platform/surface
- Move Surface 3 Power OpRegion driver to platform/surface
- Move Surface 3 Button driver to platform/surface
- Move Surface 3 WMI driver to platform/surface
platform/x86/dell-wmi-sysman:
- Make some symbols static
- Make wmi_sysman_kobj_sysfs_ops static
pmt:
- Fix a potential Oops on error in probe
remove unneeded break:
- remove unneeded break
thinkpad_acpi:
- remove trailing semicolon in macro definition
- Whitelist P15 firmware for dual fan control
- Add palm sensor support
- Send tablet mode switch at wakeup time
- Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
- Do not report SW_TABLET_MODE on Yoga 11e
- add P1 gen3 second fan support
tools/power/x86/intel-speed-select:
- Update version for v5.11
- Account for missing sysfs for die_id
- Read TRL from mailbox
toshiba_acpi:
- Fix the wrong variable assignment
touchscreen_dmi:
- Add info for the Irbis TW118 tablet
- Add info for the Predia Basic tablet
x86/platform:
- classmate-laptop: add WiFi media button
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Merge tag 'platform-drivers-x86-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- New driver for changing BIOS settings from within Linux on Dell
devices. This introduces a new generic sysfs API for this. Lenovo
is working on also supporting this API on their devices
- New Intel PMT telemetry and crashlog drivers
- Support for SW_TABLET_MODE reporting for the acer-wmi and intel-hid
drivers
- Preparation work for improving support for Microsoft Surface
hardware
- Various fixes / improvements / quirks for the panasonic-laptop and
others"
* tag 'platform-drivers-x86-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (81 commits)
platform/x86: ISST: Mark mmio_range_devid_0 and mmio_range_devid_1 with static keyword
platform/x86: intel-hid: add Rocket Lake ACPI device ID
x86/platform: classmate-laptop: add WiFi media button
platform/x86: mlx-platform: Fix item counter assignment for MSN2700/ComEx system
platform/x86: mlx-platform: Fix item counter assignment for MSN2700, MSN24xx systems
tools/power/x86/intel-speed-select: Update version for v5.11
tools/power/x86/intel-speed-select: Account for missing sysfs for die_id
tools/power/x86/intel-speed-select: Read TRL from mailbox
platform/x86: intel-hid: Do not create SW_TABLET_MODE input-dev when a KIOX010A ACPI dev is present
platform/x86: intel-hid: Add alternative method to enable switches
platform/x86: intel-hid: Add support for SW_TABLET_MODE
platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on some HP x360 models
platform/x86: ISST: Change PCI device macros
platform/x86: ISST: Allow configurable offset range
platform/x86: ISST: Check for unaligned mmio address
acer-wireless: send an EV_SYN/SYN_REPORT between state changes
platform/x86: dell-wmi-sysman: work around for BIOS bug
platform/x86: mlx-platform: remove an unused variable
platform/x86: thinkpad_acpi: remove trailing semicolon in macro definition
platform/x86: dell-smbios-base: Fix error return code in dell_smbios_init
...
The big change this release has been some excellent work from Lukas
Wunner which closes a bunch of holes in the cleanup paths for drivers,
mainly introduced as a result of devm conversions causing bad
interactions with the support SPI has for allocating the bus and driver
data together. Together with some of the other work done it feels like
we've turned the corner on several long standing pain points with the
API.
- Many cleanups around probe/remove and error handling from Lukas
Wunner and Uwe Kleine-König, and further fixes around PM from Zhang
Qilong.
- Provide a mask for which bits of the mode can safely be configured by
drivers and use that to fix an issue with the ADS7846 driver.
- Documentation of the expected interactions between SPI and GPIO level
chip select polarity configuration from H. Nikolaus Schaller,
hopefully we're pretty much at the end of sorting out the
interactions there. Thanks to Nikolaus, Sven Van Asbroeck and Linus
Walleij for this.
- DMA support for Allwinner sun6i controllers.
- Support for Canaan K210 Designware implementations and Intel Adler Lake.
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Merge tag 'spi-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The big change this release has been some excellent work from Lukas
Wunner which closes a bunch of holes in the cleanup paths for drivers,
mainly introduced as a result of devm conversions causing bad
interactions with the support SPI has for allocating the bus and
driver data together.
Together with some of the other work done it feels like we've turned
the corner on several long standing pain points with the API.
Summary:
- Many cleanups around probe/remove and error handling from Lukas
Wunner and Uwe Kleine-König, and further fixes around PM from Zhang
Qilong.
- Provide a mask for which bits of the mode can safely be configured
by drivers and use that to fix an issue with the ADS7846 driver.
- Documentation of the expected interactions between SPI and GPIO
level chip select polarity configuration from H. Nikolaus Schaller,
hopefully we're pretty much at the end of sorting out the
interactions there. Thanks to Nikolaus, Sven Van Asbroeck and Linus
Walleij for this.
- DMA support for Allwinner sun6i controllers.
- Support for Canaan K210 Designware implementations and Intel Adler
Lake"
* tag 'spi-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (69 commits)
spi: dt-bindings: clarify CS behavior for spi-cs-high and gpio descriptors
spi: Limit the spi device max speed to controller's max speed
spi: spi-geni-qcom: Use the new method of gpio CS control
platform/chrome: cros_ec_spi: Drop bits_per_word assignment
platform/chrome: cros_ec_spi: Don't overwrite spi::mode
spi: dw: Add support for the Canaan K210 SoC SPI
spi: dw: Add support for 32-bits max xfer size
dt-bindings: spi: dw-apb-ssi: Add Canaan K210 SPI controller
spi: Update DT binding docs to support SiFive FU740 SoC
spi: atmel-quadspi: Fix use-after-free on unbind
spi: npcm-fiu: Disable clock in probe error path
spi: ar934x: Don't leak SPI master in probe error path
spi: mt7621: Don't leak SPI master in probe error path
spi: mt7621: Disable clock in probe error path
media: netup_unidvb: Don't leak SPI master in probe error path
spi: sc18is602: Don't leak SPI master in probe error path
spi: rb4xx: Don't leak SPI master in probe error path
spi: gpio: Don't leak SPI master in probe error path
spi: spi-mtk-nor: Don't leak SPI master in probe error path
spi: mxic: Don't leak SPI master in probe error path
...
Here is the big USB and thunderbolt pull request for 5.11-rc1.
Nothing major in here, just the grind of constant development to support
new hardware and fix old issues:
- thunderbolt updates for new USB4 hardware
- cdns3 major driver updates
- lots of typec updates and additions as more hardware is available
- usb serial driver updates and fixes
- other tiny USB driver updates
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big USB and thunderbolt pull request for 5.11-rc1.
Nothing major in here, just the grind of constant development to
support new hardware and fix old issues:
- thunderbolt updates for new USB4 hardware
- cdns3 major driver updates
- lots of typec updates and additions as more hardware is available
- usb serial driver updates and fixes
- other tiny USB driver updates
All have been in linux-next with no reported issues"
* tag 'usb-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
usb: phy: convert comma to semicolon
usb: ucsi: convert comma to semicolon
usb: typec: tcpm: convert comma to semicolon
usb: typec: tcpm: Update vbus_vsafe0v on init
usb: typec: tcpci: Enable bleed discharge when auto discharge is enabled
usb: typec: Add class for plug alt mode device
USB: typec: tcpci: Add Bleed discharge to POWER_CONTROL definition
USB: typec: tcpm: Add a 30ms room for tPSSourceOn in PR_SWAP
USB: typec: tcpm: Fix PR_SWAP error handling
USB: typec: tcpm: Hard Reset after not receiving a Request
USB: gadget: f_fs: remove likely/unlikely
usb: gadget: f_fs: Re-use SS descriptors for SuperSpeedPlus
USB: gadget: f_midi: setup SuperSpeed Plus descriptors
USB: gadget: f_acm: add support for SuperSpeed Plus
USB: gadget: f_rndis: fix bitrate for SuperSpeed and above
usb: typec: intel_pmc_mux: Configure cable generation value for USB4
MAINTAINERS: Add myself as a reviewer for CADENCE USB3 DRD IP DRIVER
usb: chipidea: ci_hdrc_imx: Use of_device_get_match_data()
usb: chipidea: usbmisc_imx: Use of_device_get_match_data()
usb: cdns3: fix NULL pointer dereference on no platform data
...
(Justin Ernst and Mike Travis)
- The usual set of small fixes.
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Merge tag 'x86_platform_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Borislav Petkov:
- add a new uv_sysfs driver and expose read-only information from UV
BIOS (Justin Ernst and Mike Travis)
- the usual set of small fixes
* tag 'x86_platform_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Update sysfs documentation
x86/platform/uv: Add deprecated messages to /proc info leaves
x86/platform/uv: Add sysfs hubless leaves
x86/platform/uv: Add sysfs leaves to replace those in procfs
x86/platform/uv: Add kernel interfaces for obtaining system info
x86/platform/uv: Make uv_pcibus_kset and uv_hubs_kset static
x86/platform/uv: Fix an error code in uv_hubs_init()
x86/platform/uv: Update MAINTAINERS for uv_sysfs driver
x86/platform/uv: Update ABI documentation of /sys/firmware/sgi_uv/
x86/platform/uv: Add new uv_sysfs platform driver
x86/platform/uv: Add and export uv_bios_* functions
x86/platform/uv: Remove existing /sys/firmware/sgi_uv/ interface
On occasion, the Chrome Embedded Controller (EC) can send a mux
configuration which doesn't map to a particular data mode. For instance,
dedicated Type C chargers, when connected, may cause only
USB_PD_MUX_POLARITY_INVERTED to be set. This is a valid flag combination
and should not lead to a driver abort.
Modify the mux configuration handling to not return an error when an
unrecognized mux flag combination is encountered. Concordantly, make the
ensuing print a debug level print so as to not pollute the kernel logs.
Cc: Keith Short <keithshort@chromium.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20201106020305.767202-1-pmalani@chromium.org
This is already handed by default in spi_setup() if the bits_per_word is
0, so just drop it to shave off a line.
Cc: Simon Glass <sjg@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20201204193540.3047030-3-swboyd@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
There isn't any need to overwrite the mode here in the driver with what
has been detected by the firmware, such as DT or ACPI. In fact, if we
use the SPI CS gpio descriptor feature we will overwrite the mode with
SPI_MODE_0 where it already contains SPI_MODE_0 and more importantly
SPI_CS_HIGH. Clearing the SPI_CS_HIGH bit causes the CS line to toggle
when the device is probed when it shouldn't change, confusing the driver
and making it fail to probe. Drop the assignment and let the spi core
take care of it.
Fixes: a17d94f0b6 ("mfd: Add ChromeOS EC SPI driver")
Cc: Simon Glass <sjg@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20201204193540.3047030-2-swboyd@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix the following sparse warnings:
drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c:23:24: warning: symbol 'mmio_range_devid_0' was not declared. Should it be static?
drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c:28:24: warning: symbol 'mmio_range_devid_1' was not declared. Should it be static?
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1607430489-116200-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The WiFi media button on the Quanta NL3 reports keycodes 0x8b and 0x9b
to the platform driver. Add the mapping to support these codes.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Chris Chiu <chiu@endlessos.org>
Link: https://lore.kernel.org/r/20201208061111.29073-1-chiu@endlessos.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix array names to match assignments for data items and data items
counter in 'mlxplat_mlxcpld_comex_items' structure for:
.data = mlxplat_mlxcpld_default_pwr_items_data,
.count = ARRAY_SIZE(mlxplat_mlxcpld_pwr),
and
.data = mlxplat_mlxcpld_default_fan_items_data,
.count = ARRAY_SIZE(mlxplat_mlxcpld_fan),
Replace:
- 'mlxplat_mlxcpld_pwr' by 'mlxplat_mlxcpld_default_pwr_items_data' for
ARRAY_SIZE() calculation.
- 'mlxplat_mlxcpld_fan' by 'mlxplat_mlxcpld_default_fan_items_data'
for ARRAY_SIZE() calculation.
Fixes: bdd6e155e0 ("platform/x86: mlx-platform: Add support for new system type")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20201207174745.22889-3-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix array names to match assignments for data items and data items
counter in 'mlxplat_mlxcpld_default_items' structure for:
.data = mlxplat_mlxcpld_default_pwr_items_data,
.count = ARRAY_SIZE(mlxplat_mlxcpld_pwr),
and
.data = mlxplat_mlxcpld_default_fan_items_data,
.count = ARRAY_SIZE(mlxplat_mlxcpld_fan),
Replace:
- 'mlxplat_mlxcpld_pwr' by 'mlxplat_mlxcpld_default_pwr_items_data' for
ARRAY_SIZE() calculation.
- 'mlxplat_mlxcpld_fan' by 'mlxplat_mlxcpld_default_fan_items_data'
for ARRAY_SIZE() calculation.
Fixes: c6acad68eb ("platform/mellanox: mlxreg-hotplug: Modify to use a regmap interface")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20201207174745.22889-2-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add uv_sysfs leaves to display the info.
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201128034227.120869-3-mike.travis@hpe.com
Some 360 degree hinges (yoga) style 2-in-1 devices use 2 accelerometers
to allow the OS to determine the angle between the display and the base
of the device. On Windows these are read by a special HingeAngleService
process which calls an ACPI DSM (Device Specific Method) on the
ACPI KIOX010A device node for the sensor in the display, to let the
firmware know if the 2-in-1 is in tablet- or laptop-mode so that it can
disable the kbd and touchpad to avoid spurious input in tablet-mode.
The linux kxcjk1013 driver calls the DSM for this once at probe time
to ensure that the builtin kbd and touchpad work. On some devices this
causes a "spurious" 0xcd event on the intel-hid ACPI dev. In this case
there is not a functional tablet-mode switch, so we should not register
the tablet-mode switch device.
Cc: Elia Devito <eliadevito@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201207165129.396298-1-hdegoede@redhat.com
Some convertible have unreliable VGBS return, in these cases we enable
support when receiving the first event.
Signed-off-by: Elia Devito <eliadevito@gmail.com>
Link: https://lore.kernel.org/r/20201204160234.36832-1-elia@xvalue.it
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Some convertible use the intel-hid ACPI interface to report SW_TABLET_MODE,
implement this with DMI based allow-list to be sure to activate support
only on models that effectively have it.
Signed-off-by: Elia Devito <eliadevito@gmail.com>
Link: https://lore.kernel.org/r/20201204160121.36703-1-elia@xvalue.it
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Currently the code checks the interval value when the temperature is
read which is bad for two reasons:
- checking and setting the interval in the get_temp callback is
inaccurate and awful, that can be done when changing the value.
- Changing the thermal zone structure internals is an abuse of the
exported structure, moreover no lock is taken here.
The goal of this patch is to solve the first item by using the 'set'
function called when changing the interval. The check is done there
and removed from the get_temp function. If the thermal zone was not
initialized yet, the interval is not updated in this case as that will
happen in the init function when registering the thermal zone device.
I don't have any hardware to test the changes.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Peter Kaestle <peter@piie.net>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201203071738.2363701-2-daniel.lezcano@linaro.org
The module parameter can be set by using ops to get and set the
values. The change will allow to check the correctness of the interval
value everytime it is changed instead of checking in the get_temp
function.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Peter Kaestle <peter@piie.net>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201203071738.2363701-1-daniel.lezcano@linaro.org
Some HP x360 models have an ACPI VGBS method which sets bit 4 instead of
bit 6 when NOT in tablet mode at boot. Inspecting all the DSDTs in my DSDT
collection shows only one other model, the Medion E1239T ever setting bit 4
and it always sets this together with bit 6.
So lets treat bit 4 as a second bit which when set indicates the device not
being in tablet-mode, as we already do for bit 6.
While at it also prefix all VGBS constant defines with "VGBS_".
Note this wrokaround was first added to the kernel as
commit d823346876 ("platform/x86: intel-vbtn: Fix SW_TABLET_MODE always
reporting 1 on the HP Pavilion 11 x360").
After commit 8169bd3e6e ("platform/x86: intel-vbtn: Switch to an
allow-list for SW_TABLET_MODE reporting") got added to the kernel this
was reverted, because with the new allow-list approach the workaround
was no longer necessary for the model on which the issue was first
reported.
But it turns out that the workaround is still necessary because some
affected models report a chassis-type of 31 which is on the allow-list.
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894017
Fixes: 21d64817c7 ("platform/x86: intel-vbtn: Revert "Fix SW_TABLET_MODE always reporting 1 on the HP Pavilion 11 x360"")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The mmio offset range can be different based on the PCI device id. Here
for INTEL_RAPL_PRIO_DEVID_1, the range is increased from 45 to 64. Pass
the range as the driver_data. Also account for different ranges during
save/restore via suspend/resume callbacks.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20201204015746.1168941-2-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Sending the switch state change twice within the same frame is invalid
evdev protocol and only works if the client handles keys immediately as
well. Processing events immediately is incorrect, it forces a fake
order of events that does not exist on the device.
Recent versions of libinput changed to only process the device state and
SYN_REPORT time, so now the key event is lost.
Same fix as 'commit <bff5bf9db1c94> ("platform/x86: asus-wireless: send
an EV_SYN/SYN_REPORT between state changes")'
Signed-off-by: Daniel Drake <drake@endlessos.org>
Signed-off-by: Chris Chiu <chiu@endlessos.org>
Link: https://lore.kernel.org/r/20201207064322.13992-1-chiu@endlessos.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
BIOS sets incorrect value (zero) when SET value passed for integer
attribute with + sign. Added workaround to remove + sign before passing
input to BIOS.
Co-developed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Co-developed-by: Prasanth KSR <prasanth.ksr@dell.com>
Signed-off-by: Prasanth KSR <prasanth.ksr@dell.com>
Signed-off-by: Divya Bharathi <divya.bharathi@dell.com>
Link: https://lore.kernel.org/r/20201202131935.307372-1-divya.bharathi@dell.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The only reference to the mlxplat_mlxcpld_psu[] array got removed,
so there is now a warning from clang:
drivers/platform/x86/mlx-platform.c:322:30: error: variable 'mlxplat_mlxcpld_psu' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration]
static struct i2c_board_info mlxplat_mlxcpld_psu[] = {
Remove the array as well and adapt the ARRAY_SIZE() call
accordingly.
Fixes: 912b341585 ("platform/x86: mlx-platform: Remove PSU EEPROM from MSN274x platform configuration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20201203223105.1195709-1-arnd@kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix the following sparse warnings:
drivers/platform/x86/uv_sysfs.c:22:13: warning: symbol \
'uv_pcibus_kset' was not declared. Should it be static?
drivers/platform/x86/uv_sysfs.c:23:13: warning: symbol \
'uv_hubs_kset' was not declared. Should it be static?
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/1606734713-43919-1-git-send-email-zou_wei@huawei.com
Fix to return the error code -ENODEV when fails to init wmi and
smm.
Fixes: 41e36f2f85 ("platform/x86: dell-smbios: Link all dell-smbios-* modules together")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Link: https://lore.kernel.org/r/20201125065032.154125-1-miaoqinglang@huawei.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This 2-in-1 model (Product name: Switch SA5-271) features a SW_TABLET_MODE
that works as it would be expected, both when detaching the keyboard and
when folding it behind the tablet body.
It used to work until the introduction of the allow list at
commit 8169bd3e6e ("platform/x86: intel-vbtn: Switch to an allow-list
for SW_TABLET_MODE reporting"). Add this model to it, so that the Virtual
Buttons device announces the EV_SW features again.
Fixes: 8169bd3e6e ("platform/x86: intel-vbtn: Switch to an allow-list for SW_TABLET_MODE reporting")
Cc: stable@vger.kernel.org
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Link: https://lore.kernel.org/r/20201201135727.212917-1-carlosg@gnome.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Pavilion 13 x360 PC has a chassis-type which does not indicate it is
a convertible, while it is actually a convertible. Add it to the
dmi_switches_allow_list.
Signed-off-by: Max Verevkin <me@maxverevkin.tk>
Link: https://lore.kernel.org/r/20201124131652.11165-1-me@maxverevkin.tk
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The commit 78429e55e4 ("platform/x86: toshiba_acpi: Clean up
variable declaration") cleans up variable declaration in
video_proc_write(). Seems it does the variable assignment in the
wrong place, this results in dead code and changes the source code
logic. Fix it by doing the assignment at the beginning of the funciton.
Fixes: 78429e55e4 ("platform/x86: toshiba_acpi: Clean up variable declaration")
Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Link: https://lore.kernel.org/r/1606024177-16481-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Got a dmesg message on my AMD Renoir based Acer laptop:
"acer_wmi: Unknown key number - 0x84" when toggling keyboard
background light
Signed-off-by: Timo Witte <timo.witte@gmail.com>
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Link: https://lore.kernel.org/r/20200804001423.36778-1-timo.witte@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The lid state may change while the machine is suspended. As such, we may
need to re-check the state at wake-up time (at least when waking up from
hibernation).
Add the appropriate call to the resume handler in order to sync the
SW_TABLET_MODE switch state with the hardware state.
Fixes: dda3ec0aa6 ("platform/x86: thinkpad_acpi: Implement tablet mode using GMMS method")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210269
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hnh@hmh.eng.br>
Link: https://lore.kernel.org/r/20201123132157.866303-1-benjamin@sipsolutions.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Thinkpad Yoga 11e 4th gen with the N3450 / Celeron CPU only has
one battery which is named BAT1 instead of the expected BAT0, add a
quirk for this. This fixes not being able to set the charging tresholds
on this model; and this alsoe fixes the following errors in dmesg:
ACPI: \_SB_.PCI0.LPCB.EC__.HKEY: BCTG evaluated but flagged as error
thinkpad_acpi: Error probing battery 2
battery: extension failed to load: ThinkPad Battery Extension
battery: extension unregistered: ThinkPad Battery Extension
Note that the added quirk is for the "R0K" BIOS versions which are
used on the Thinkpad Yoga 11e 4th gen's with a Celeron CPU, there
is a separate "R0L" BIOS for the i3/i5 based versions. This may also
need the same quirk, but if that really is necessary is unknown.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201109103550.16265-1-hdegoede@redhat.com
The Yoga 11e series has 2 accelerometers described by a BOSC0200 ACPI node.
This setup relies on a Windows service which reads both accelerometers and
then calculates the angle between the 2 halves to determine laptop / tent /
tablet mode and then reports the calculated mode back to the EC by calling
special ACPI methods on the BOSC0200 node.
The bmc150 iio driver does not support this (it involves double
calculations requiring sqrt and arccos so this really needs to be done
in userspace), as a result of this on the Yoga 11e the thinkpad_acpi
code always reports SW_TABLET_MODE=0, starting with GNOME 3.38 reporting
SW_TABLET_MODE=0 causes GNOME to:
1. Not show the onscreen keyboard when a text-input field is focussed
with the touchscreen.
2. Disable accelerometer based auto display-rotation.
This makes sense when in laptop-mode but not when in tablet-mode. But
since for the Yoga 11e the thinkpad_acpi code always reports
SW_TABLET_MODE=0, GNOME does not know when the device is in tablet-mode.
Stop reporting the broken (always 0) SW_TABLET_MODE on Yoga 11e models
to fix this.
Note there are plans for userspace to support 360 degree hinges style
2-in-1s with 2 accelerometers and figure out the mode by itself, see:
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/issues/216
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201106140130.46820-1-hdegoede@redhat.com
Tested on my P1 gen3, works fine with `thinkfan`. Since thinkpad_acpi fan
control is off by default, it is safe to add 2nd fan control for brave
overclockers
Signed-off-by: Iakov 'Jake' Kirilenko <jake.kirilenko@gmail.com>
Link: https://lore.kernel.org/r/20201105152556.34073-1-jake.kirilenko@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Remove PSU EEPROM configuration for systems class equipped with
Mellanox chip Spectrum and ATOM CPU - system types MSN274x. Till now
all the systems from this class used few types of power units, all
equipped with EEPROM device with address space two bytes. Thus, all
these devices have been handled by EEPROM driver "24c02".
There is a new requirement is to support power unit replacement by "off
the shelf" device, matching electrical required parameters. Such device
can be equipped with different EEPROM type, which could be one byte
address space addressing or even could be not equipped with EEPROM.
In such case "24c02" will not work.
Fixes: ef08e14a3 ("platform/x86: mlx-platform: Add support for new msn274x system type")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20201125101056.174708-3-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Remove PSU EEPROM configuration for systems class equipped with
Mellanox chip Spectrum and Celeron CPU - system types MSN2700, MSN2100.
Till now all the systems from this class used few types of power units,
all equipped with EEPROM device with address space two bytes. Thus, all
these devices have been handled by EEPROM driver "24c02".
There is a new requirement is to support power unit replacement by "off
the shelf" device, matching electrical required parameters. Such device
can be equipped with different EEPROM type, which could be one byte
address space addressing or even could be not equipped with EEPROM.
In such case "24c02" will not work.
Fixes: c6acad68e ("platform/mellanox: mlxreg-hotplug: Modify to use a regmap interface")
Fixes: ba814fdd0 ("platform/x86: mlx-platform: Use defines for bus assignment")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20201125101056.174708-2-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add the uv_sysfs driver to construct a read-only sysfs interface at
/sys/firmware/sgi_uv/ to expose information gathered from UV BIOS. This
information includes:
* UV Hub descriptions, including physical location
* Cabling layout between hubs on the fabric
* PCI topology, including physical location of PCI cards
Together, the information provides a robust physical description of a UV
system, useful for correlating to performance data or performing remote
support.
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201125175444.279074-4-justin.ernst@hpe.com
Add support to thinkpad_acpi for returning the status of the palm
sensor.
This patch builds on the work done previously for the input device
implementation (which was not needed). Both lap and palm sensor are using
sysfs and they are combined into the proxsensor block.
Note: On some platforms, because of an issue in the HW implementation,
the palm sensor presence may be incorrectly advertised as always
enabled even if a palm sensor is not present. The palm sensor is
intended for WWAN transmission power control and should be available
and correct on all WWAN enabled systems. It is not recommended to use
this interface for other use cases.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20201124181154.547518-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When user presses Fn-F5, the driver automatically changes throttle
thermal policy (or fan boost mode, depending on laptop model).
It would be convenient for userspace software to be able to poll on
corresponding sysfs variable. For example, to show a notification about
mode change.
Note that there is currently no way to handle Fn-F5 from userspace
directly, driver does not pass it.
Signed-off-by: Vasiliy Kupriakov <rublag-ns@yandex.ru>
Link: https://lore.kernel.org/r/20200828214932.20866-2-rublag-ns@yandex.ru
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Pavilion 13 x360 PC has a chassis-type which does not indicate it is
a convertible, while it is actually a convertible. Add it to the
dmi_switches_allow_list.
Signed-off-by: Max Verevkin <me@maxverevkin.tk>
Link: https://lore.kernel.org/r/20201124131652.11165-1-me@maxverevkin.tk
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The lid state may change while the machine is suspended. As such, we may
need to re-check the state at wake-up time (at least when waking up from
hibernation).
Add the appropriate call to the resume handler in order to sync the
SW_TABLET_MODE switch state with the hardware state.
Fixes: dda3ec0aa6 ("platform/x86: thinkpad_acpi: Implement tablet mode using GMMS method")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210269
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hnh@hmh.eng.br>
Link: https://lore.kernel.org/r/20201123132157.866303-1-benjamin@sipsolutions.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The commit 78429e55e4 ("platform/x86: toshiba_acpi: Clean up
variable declaration") cleans up variable declaration in
video_proc_write(). Seems it does the variable assignment in the
wrong place, this results in dead code and changes the source code
logic. Fix it by doing the assignment at the beginning of the funciton.
Fixes: 78429e55e4 ("platform/x86: toshiba_acpi: Clean up variable declaration")
Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Link: https://lore.kernel.org/r/1606024177-16481-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
In addition to a 13" version, there is also a 15" (business) version of
the Surface Laptop 3 based on Intel CPUs. This version also handles
wakeup by lid via (unmarked) GPEs, so add support for it as well.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201113223935.2073847-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The "ns->attr_grp" pointer can be NULL so this error handling code needs
to check for that to avoid an Oops.
Fixes: e2729113ce ("platform/x86: Intel PMT class driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20201117072251.GC1111239@mwanda
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and the error value gets printed.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201105110530.27888-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The driver depends on ACPI, ACPI_PTR() resolution is always the same.
Otherwise a compiler may produce a warning.
That said, the rule of thumb either ugly ifdeffery with ACPI_PTR or
none should be used in a driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201105110530.27888-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Thunderbolt rounded/non-rounded cable support is two bits value. Correcting
it as per the Thunderbolt 3 cable discover mode VDO changes done in the
Thunderbolt 3 alternate mode header.
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
--
Changes in v2:
- Removed the fixes tag as there is no functional implication.
--
Link: https://lore.kernel.org/r/20201113202503.6559-3-utkarsh.h.patel@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the discovery data from the Chrome EC to register parter altmodes
with the Type C Connector Class framework. Also introduce a node
struct to keep track of the list of registered alt modes.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201029222738.482366-8-pmalani@chromium.org
Use EC_CMD_TYPE_DISCOVERY to retrieve and store the discovery data for
the port partner. With that data, update the PD Identity VDO values for
the partner, which were earlier not initialized.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201029222738.482366-7-pmalani@chromium.org
Make a call to the newly introduced EC_CMD_TYPEC_STATUS command.
Currently we just check to see if the SOP (port-partner) discovery was
done and emit a debug level print for it.
Subsequent patches will retrieve and parse the discovery data and fill
out the Type C connector class data structures.
Also check the EC_FEATURE_TYPEC_CMD feature flag at probe, and only call
the new TYPEC_STATUS command if the feature flag is supported.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-6-pmalani@chromium.org
The partner identity struct isn't reset when a partner is removed,
meaning a subsequent partner can inherit an old partner's identity VDOs
before discovery is complete. So, clear that struct when a partner
removal is detected.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-4-pmalani@chromium.org
The cros_unregister_ports() function can be called in situations where
the partner has not been registered yet, and so its related data
structures would not have been initialized. Calling
cros_typec_remove_partner() in such a situation can lead to null pointer
dereferences. So, only call cros_typec_remove_partner() if there is a
valid registered partner pointer.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-3-pmalani@chromium.org
Move the cros_typec_set_port_params_v0/v1() functions closer to the
place where they are called, cros_typec_port_update().
While we are performing the relocation, also move cros_typec_get_mux_info()
closer to its call-site.
No functional changes are introduced by this commit.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-2-pmalani@chromium.org
The EC sends an RTC host event when the RTC fires, but we don't need to
treat that as a wakeup event here. The RTC class already properly
handles activating and deactivating a wakeup source in rtc_update_irq()
by calling pm_stay_awake() at the start of processing and pm_relax()
once all expired RTC timers have been processed. This reduces one wakeup
increment but not much else. I noticed this while debugging RTC wakeups
and how they always incremented the wakeup count by two instead of one
because this is duplicated.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Guenter Roeck <groeck@chromium.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: <linux-rtc@vger.kernel.org>
Link: https://lore.kernel.org/r/20201030232523.2654478-1-swboyd@chromium.org
Panasonic laptops (at least from CF-W4 onwards) have dedicated firmware
registers for saving ac/dc and current brightness. They are a bit confusing
so here's some explanations:
AC_MIN_BRIGHT, AC_MAX_BRIGHT, DC_MIN_BRIGHT, DC_MAX_BRIGHT:
Read-only. Values: 0x01 and 0x15 respectively.
AC_CUR_BRIGHT, DC_CUR_BRIGHT:
Read-Write. 0x00-0xFF. Store user-defined AC/DC brightness. However,
they do not represent current brightness so they should be named AC_BRIGHT
and DC_BRIGHT instead.
CUR_BRIGHT (present since CF-W4):
Read-Write. 0x00-0xFF. It sets the current brightness. It won't update
itself if brightness is changed via other means, e.g. acpi_video0.
Another CUR_BRIGHT (added since CF-W5):
Read-Write. 0x01-0x15. Its value always synchronizes with current
brightness. Not implemented in this version.
Currently the backlight API interacts with AC_CUR_BRIGHT (probably because
it's the only bl register available in earlier models?). This patch adds
sysfs attributes for AC_CUR_BRIGHT, DC_CUR_BRIGHT and CUR_BRIGHT.
It also fixes the error of https://lkml.org/lkml/2020/8/19/1264.
PS: I think the backlight API should interact with CUR_BRIGHT instead of
AC_CUR_BRIGHT. But it involves complications like mapping between 0x01-0x15
or 0x00-0x14 (the backlight API) and 0x00-0xFF (CUR_BRIGHT). I'll leave the
discussion for a later version.
Signed-off-by: Kenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-10-kenneth.t.chan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add battery charging threshold (aka ECO mode) support.
NOTE: The state of ECO mode is persistent until the next POST cycle which
reset it to previous state.
Signed-off-by: Kenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-9-kenneth.t.chan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The return value of the sticky key on some models (e.g. CF-W5) do not
reflect its state. How to retrieve its state from firmware is unknown.
The safest bet is to reset it at module init and store its state in
pcc struct.
Signed-off-by: Kenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-6-kenneth.t.chan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Replace ACPI prints with pr_*() macros for consistency with other platform
devices.
Clean up obsolete ACPI_HOTKEY_COMPONENT code.
Signed-off-by: Kenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-3-kenneth.t.chan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The physical optical drive switch is present in Y and W series that
switches on the drive but fails to turn it off. The idea is to be able to
toggle the drive power by software and/or hardware. This patch merges
Martin Lucina <mato@kotelna.sk>'s work that took care of the software part.
Code is also added for the physical switch to power off the drive.
Signed-off-by: Kenneth Chan <kenneth.t.chan@gmail.com>
Link: https://lore.kernel.org/r/20200821181433.17653-2-kenneth.t.chan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Got a dmesg message on my AMD Renoir based Acer laptop:
"acer_wmi: Unknown key number - 0x84" when toggling keyboard
background light
Signed-off-by: Timo Witte <timo.witte@gmail.com>
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Link: https://lore.kernel.org/r/20200804001423.36778-1-timo.witte@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
According to the ACPI spec 9.1.1 _DSM (Device Specific Method),
intel_hid_dsm_fn_mask, acquired from function index 0, is "a buffer
containing one bit for each function index". When validitaing fn_index,
it should be compared with corresponding bit.
This buffer is usually longer than a byte. Depending on whether
INTEL_HID_DSM_HEBC_V2_FN exist, it could be either
"Buffer (0x02) { 0xFF, 0x01 }" or "Buffer (0x02) { 0xFF, 0x03 }".
Probably it won't grow larger according to the description. On older
platforms, available functions could be fewer or not supported at all,
i.e., "Buffer (One) { 0x00 }".
Signed-off-by: Zhen Gong <zhengong@usc.edu>
Link: https://lore.kernel.org/r/CAJCLVRCyp0ASdWTx-PxsrDC9zFBPw0U2AtPip+_Hpj2r5gUPwA@mail.gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix the following coccinelle warnings:
./drivers/platform/x86/intel_pmc_core.c:932:1-16: WARNING: Assignment of 0/1 to bool variable
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1604753621-7387-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
AMD Power Management Controller driver a.k.a. amd-pmc driver is the
controller which is meant for the final S2Idle transaction that goes to
the PMFW running on the AMD SMU (System Management Unit) responsible for
tuning of the VDD.
Once all the monitored list or the idle constraints are met, this driver
would go and set the OS_HINT (meaning all the devices have reached to
their lowest state possible) via the SMU mailboxes.
This driver would also provide some debug capabilities via debugfs.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201105140531.2955555-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Thinkpad Yoga 11e 4th gen with the N3450 / Celeron CPU only has
one battery which is named BAT1 instead of the expected BAT0, add a
quirk for this. This fixes not being able to set the charging tresholds
on this model; and this alsoe fixes the following errors in dmesg:
ACPI: \_SB_.PCI0.LPCB.EC__.HKEY: BCTG evaluated but flagged as error
thinkpad_acpi: Error probing battery 2
battery: extension failed to load: ThinkPad Battery Extension
battery: extension unregistered: ThinkPad Battery Extension
Note that the added quirk is for the "R0K" BIOS versions which are
used on the Thinkpad Yoga 11e 4th gen's with a Celeron CPU, there
is a separate "R0L" BIOS for the i3/i5 based versions. This may also
need the same quirk, but if that really is necessary is unknown.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201109103550.16265-1-hdegoede@redhat.com
The Yoga 11e series has 2 accelerometers described by a BOSC0200 ACPI node.
This setup relies on a Windows service which reads both accelerometers and
then calculates the angle between the 2 halves to determine laptop / tent /
tablet mode and then reports the calculated mode back to the EC by calling
special ACPI methods on the BOSC0200 node.
The bmc150 iio driver does not support this (it involves double
calculations requiring sqrt and arccos so this really needs to be done
in userspace), as a result of this on the Yoga 11e the thinkpad_acpi
code always reports SW_TABLET_MODE=0, starting with GNOME 3.38 reporting
SW_TABLET_MODE=0 causes GNOME to:
1. Not show the onscreen keyboard when a text-input field is focussed
with the touchscreen.
2. Disable accelerometer based auto display-rotation.
This makes sense when in laptop-mode but not when in tablet-mode. But
since for the Yoga 11e the thinkpad_acpi code always reports
SW_TABLET_MODE=0, GNOME does not know when the device is in tablet-mode.
Stop reporting the broken (always 0) SW_TABLET_MODE on Yoga 11e models
to fix this.
Note there are plans for userspace to support 360 degree hinges style
2-in-1s with 2 accelerometers and figure out the mode by itself, see:
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/issues/216
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201106140130.46820-1-hdegoede@redhat.com
Tested on my P1 gen3, works fine with `thinkfan`. Since thinkpad_acpi fan
control is off by default, it is safe to add 2nd fan control for brave
overclockers
Signed-off-by: Iakov 'Jake' Kirilenko <jake.kirilenko@gmail.com>
Link: https://lore.kernel.org/r/20201105152556.34073-1-jake.kirilenko@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Calling release_attributes_data() while holding the "wmi_priv.mutex"
will lead to a dead lock. The other problem is that if kzalloc() fails
then this should return -ENOMEM but currently it returns success.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201103101735.GB1127762@mwanda
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Conventionally, wake-up events for a specific device, in our case the
lid device, are managed via the ACPI _PRW field. While this does not
seem strictly necessary based on ACPI spec, the kernel disables GPE
wakeups to avoid non-wakeup interrupts preventing suspend by default and
only enables GPEs associated via the _PRW field with a wake-up capable
device. This behavior has been introduced in commit f941d3e41d ("ACPI:
EC / PM: Disable non-wakeup GPEs for suspend-to-idle") and is described
in more detail in its commit message.
Unfortunately, on MS Surface devices, there is no _PRW field present on
the lid device, thus no GPE is associated with it, and therefore the GPE
responsible for sending the status-change notification to the lid gets
disabled during suspend, making it impossible to wake the device via the
lid.
This patch introduces a pseudo-device and respective driver which, based
on some DMI matching, marks the corresponding GPE of the lid device for
wake and enables it during suspend. The behavior of this driver models
the behavior of the ACPI/PM core for normal wakeup GPEs, properly
declared via the _PRW field.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201028105427.1593764-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Merge tag 'ib-mfd-x86-v5.11' into review-hans
Immutable branch between MFD and x86 due for the v5.11 merge window
Add support for the Intel Platform Monitoring Technology crashlog
interface. This interface provides a few sysfs values to allow for
controlling the crashlog telemetry interface as well as a character
driver to allow for mapping the crashlog memory region so that it can be
accessed after a crashlog has been recorded.
This driver is meant to only support the server version of the crashlog
which is identified as crash_type 1 with a version of zero. Currently no
other types are supported.
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
PMT Telemetry is a capability of the Intel Platform Monitoring Technology.
The Telemetry capability provides access to device telemetry metrics that
provide hardware performance data to users from read-only register spaces.
With this driver present the intel_pmt directory can be populated with
telem<x> devices. These devices will contain the standard intel_pmt sysfs
data and a "telem" binary sysfs attribute which can be used to access the
telemetry data.
Also create a PCI device id list for early telemetry hardware that require
workarounds for known issues.
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Co-developed-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Intel Platform Monitoring Technology is meant to provide a common way to
access telemetry and system metrics.
Register mappings are not provided by the driver. Instead, a GUID is read
from a header for each endpoint. The GUID identifies the device and is to
be used with an XML, provided by the vendor, to discover the available set
of metrics and their register mapping. This allows firmware updates to
modify the register space without needing to update the driver every time
with new mappings. Firmware writes a new GUID in this case to specify the
new mapping. Software tools with access to the associated XML file can
then interpret the changes.
The module manages access to all Intel PMT endpoints on a system,
independent of the device exporting them. It creates an intel_pmt class
to manage the devices. For each telemetry endpoint, sysfs files provide
GUID and size information as well as a pointer to the parent device the
telemetry came from. Software may discover the association between
endpoints and devices by iterating through the list in sysfs, or by looking
for the existence of the class folder under the device of interest. A
binary sysfs attribute of the same name allows software to then read or map
the telemetry space for direct access.
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix the following sparse warnings:
./passobj-attributes.c:38:23: warning: symbol 'po_is_pass_set' was not declared. Should it be static?
./passobj-attributes.c:70:23: warning: symbol 'po_current_password' was not declared. Should it be static?
./passobj-attributes.c:99:23: warning: symbol 'po_new_password' was not declared. Should it be static?
./passobj-attributes.c:103:23: warning: symbol 'po_min_pass_length' was not declared. Should it be static?
./passobj-attributes.c:107:23: warning: symbol 'po_max_pass_length' was not declared. Should it be static?
./passobj-attributes.c:116:23: warning: symbol 'po_mechanism' was not declared. Should it be static?
./passobj-attributes.c:129:23: warning: symbol 'po_role' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1604107922-14950-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix the following sparse warning:
drivers/platform/x86/dell-wmi-sysman/sysman.c:258:24: warning:
symbol 'wmi_sysman_kobj_sysfs_ops' was not declared.
Should it be static?
wmi_sysman_kobj_sysfs_ops has only call within sysman.c
It should be static
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1603971581-64135-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support for SW_TABLET_MODE on the Acer Switch 10 (SW5-012) and the
acer Switch 10 (S1003) models.
There is no way to detect if this is supported, so this uses DMI based
quirks setting force_caps to ACER_CAP_KBD_DOCK (these devices have no
other acer-wmi based functionality).
The new SW_TABLET_MODE functionality can be tested on devices which
are not in the DMI table by passing acer_wmi.force_caps=0x40 on the
kernel commandline.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-6-hdegoede@redhat.com
Not all devices supporting WMID_GUID3 support the wmid3_set_function_mode()
call, leading to errors like these:
[ 60.138358] acer_wmi: Enabling RF Button failed: 0x1 - 0xff
[ 60.140036] acer_wmi: Enabling Launch Manager failed: 0x1 - 0xff
Add an ACER_CAP_SET_FUNCTION_MODE capability flag, so that these calls
can be disabled through the new force_caps mechanism.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-5-hdegoede@redhat.com
Add a new force_caps module parameter to allow overriding the drivers
builtin capability detection mechanism.
This can be used to for example:
-Disable rfkill functionality on devices where there is an AA OEM DMI
record advertising non functional rfkill switches
-Force loading of the driver on devices with a missing AA OEM DMI record
Note that force_caps is -1 when unset, this allows forcing the
capability field to 0, which results in acer-wmi only providing WMI
hotkey handling while disabling all other (led, rfkill, backlight)
functionality.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-4-hdegoede@redhat.com
Cleanup accelerometer device handling:
-Drop acer_wmi_accel_destroy instead directly call input_unregister_device.
-The information tracked by the CAP_ACCEL flag mirrors acer_wmi_accel_dev
being NULL. Drop the CAP flag, this is a preparation change for allowing
users to override the capability flags. Dropping the flag stops users
from causing a NULL pointer dereference by forcing the capability.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-3-hdegoede@redhat.com
Cleanup the ACER_CAP_FOO defines:
-Switch to using BIT() macro.
-The ACER_CAP_RFBTN flag is set, but it is never checked anywhere, drop it.
-Drop the unused ACER_CAP_ANY define.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-2-hdegoede@redhat.com
set_quirks has a "if (!interface) return;" check at its beginning and
interface always is NULL when set_quirks is called from find_quirks,
so it is a no-op and we can drop it.
This also allows dropping the "if (!interface) return;" from set_quirks
since set_quirks now always is called with interface != NULL.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201019185628.264473-1-hdegoede@redhat.com
The UX360CA has a WMI device id 0x00060062, which reports whether the
lid is flipped in tablet mode (1) or in normal laptop mode (0).
Add a quirk (quirk_asus_use_lid_flip_devid) for devices on which this
WMI device should be used to figure out the SW_TABLET_MODE state, as
opposed to the quirk_asus_use_kbd_dock_devid.
Additionally, the device needs to be queried on resume and restore
because the firmware does not generate an event if the laptop is put to
sleep while in tablet mode, flipped to normal mode, and later awoken.
It is assumed other UX360* models have the same WMI device. As such, the
quirk is applied to devices with DMI_MATCH(DMI_PRODUCT_NAME, "UX360").
More devices with this feature need to be tested and added accordingly.
The reason for using an allowlist via the quirk mechanism is that the new
WMI device (0x00060062) is also present on some models which do not have
a 360 degree hinge (at least FX503VD and GL503VD from Hans' DSTS
collection) and therefore its presence cannot be relied on.
Signed-off-by: Samuel Čavoj <samuel@cavoj.net>
Cc: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201020220944.1075530-1-samuel@cavoj.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The performance modules in BlueField are present in several hardware
blocks and each block provides access to these stats either through
counters that can be programmed to monitor supported events or
through memory-mapped registers that hold the relevant information.
The hardware blocks that include a performance module are:
* Tile (block containing 2 cores and a shared L2 cache)
* TRIO (PCIe root complex)
* MSS (Memory Sub-system containing the Memory Controller and L3 cache)
* GIC (Interrupt controller)
* SMMU (System Memory Management Unit)
The mlx_pmc driver provides access to all of these performance modules
through a hwmon sysfs interface.
v2 --> v3
Update copyright info.
v1 --> v2
Remove unused headers.
Add comma to arrays where last line is not a termination.
Use kstrtoint in place of sscanf.
UUID manipulation follows drivers/platform/mellanox/mlxbf-bootctl.c
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/4e19a1e5bf4197ad27fc57981fd280eaebd23577.1602160468.git.shravankr@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The Dell WMI Systems Management Driver provides a sysfs
interface for systems management to enable BIOS configuration
capability on certain Dell Systems.
This driver allows user to configure Dell systems with a
uniform common interface. To facilitate this, the patch
introduces a generic way for driver to be able to create
configurable BIOS Attributes available in Setup (F2) screen.
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: mark gross <mgross@linux.intel.com>
Co-developed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Co-developed-by: Prasanth KSR <prasanth.ksr@dell.com>
Signed-off-by: Prasanth KSR <prasanth.ksr@dell.com>
Signed-off-by: Divya Bharathi <divya.bharathi@dell.com>
Link: https://lore.kernel.org/r/20201027134944.316730-1-divya.bharathi@dell.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This reverts commit 7b11e89896.
Consider the following hardware setting.
|-PNP0C14:00
| |-- device #1
|-PNP0C14:01
| |-- device #2
When unloading wmi driver module, device #2 will be first unregistered.
But device_destroy() using MKDEV(0, 0) will locate PNP0C14:00 first
and unregister it. This is incorrect. Should use device_unregister() to
unregister the real parent device.
Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
Link: https://lore.kernel.org/r/20191115052710.46880-1-yongxin.liu@windriver.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Move the Surface Pro 3 Button driver from platform/x86 to the newly
created platform/surface directory.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>
Link: https://lore.kernel.org/r/20201009141128.683254-6-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Move the Surface 3 Power operation region driver from platform/x86 to
the newly created platform/surface directory.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-5-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Move the Surface 3 Button driver from platform/x86 to the newly created
platform/surface directory.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-4-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Move the Surface 3 WMI driver from platform/x86 to the newly created
platform/surface directory.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-3-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
It may make sense to split the Microsoft Surface hardware platform
drivers out to a separate subdirectory, since some of it may be shared
between ARM and x86 in the future (regarding devices like the Surface
Pro X).
Further, newer Surface devices will require additional platform drivers
for fundamental support (mostly regarding their embedded controller),
which may also warrant this split from a size perspective.
This commit introduces a new platform/surface subdirectory for the
Surface device family, with subsequent commits moving existing Surface
drivers over from platform/x86.
A new MAINTAINERS entry is added for this directory. Patches to files in
this directory will be taken up by the platform-drivers-x86 team (i.e.
Hans de Goede and Mark Gross) after they have been reviewed by
Maximilian Luz.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-2-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
cros-ec:
* Error code cleanup across cros-ec by Guenter.
* Remove cros_ec_cmd_xfer in favor of cros_ec_cmd_xfer_status.
cros_ec_typec:
* Landed initial USB4 support in typec connector class driver for cros_ec.
* Role switch bugfix on disconnect, and reordering configuration steps.
cros_ec_lightbar:
* Fix buffer outsize and result for get_lightbar_version.
misc:
* Remove config MFD_CROS_EC, now that transition from MFD is complete.
* Enable KEY_LEFTMETA in new location on arm based cros-ec-keyboard keymap.
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Merge tag 'tag-chrome-platform-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros-ec:
- Error code cleanup across cros-ec by Guenter
- Remove cros_ec_cmd_xfer in favor of cros_ec_cmd_xfer_status
cros_ec_typec:
- Landed initial USB4 support in typec connector class driver for
cros_ec
- Role switch bugfix on disconnect, and reordering configuration
steps
cros_ec_lightbar:
- Fix buffer outsize and result for get_lightbar_version
misc:
- Remove config MFD_CROS_EC, now that transition from MFD is complete
- Enable KEY_LEFTMETA in new location on arm based cros-ec-keyboard
keymap"
* tag 'tag-chrome-platform-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
ARM: dts: cros-ec-keyboard: Add alternate keymap for KEY_LEFTMETA
platform/chrome: Use kobj_to_dev() instead of container_of()
platform/chrome: cros_ec_proto: Drop cros_ec_cmd_xfer()
platform/chrome: cros_ec_proto: Update cros_ec_cmd_xfer() call-sites
platform/chrome: Kconfig: Remove the transitional MFD_CROS_EC config
platform/chrome: cros_ec_lightbar: Reduce ligthbar get version command
platform/chrome: cros_ec_trace: Add fields to command traces
platform/chrome: cros_ec_typec: Re-order connector configuration steps
platform/chrome: cros_ec_typec: Avoid setting usb role twice during disconnect
platform/chrome: cros_ec_typec: Send enum values to usb_role_switch_set_role()
platform/chrome: cros_ec_typec: USB4 support
pwm: cros-ec: Simplify EC error handling
platform/chrome: cros_ec_proto: Convert EC error codes to Linux error codes
platform/input: cros_ec: Replace -ENOTSUPP with -ENOPROTOOPT
pwm: cros-ec: Accept more error codes from cros_ec_cmd_xfer_status
platform/chrome: cros_ec_sysfs: Report range of error codes from EC
cros_ec_lightbar: Accept more error codes from cros_ec_cmd_xfer_status
iio: cros_ec: Accept -EOPNOTSUPP as 'not supported' error code
Rather calm cycle for PDx86, all these have been in for-next for
a couple of days with no bot complaints.
Highlights:
- PMC TigerLake fixes and new RocketLake support
- Various small fixes / updates in other drivers/tools
The following is an automated git shortlog grouped by driver:
MAINTAINERS:
- update X86 PLATFORM DRIVERS entry with new kernel.org git repo
- Update maintainers for pmc_core driver
hp-wmi:
- add support for thermal policy
intel_pmc_core:
- fix: Replace dev_dbg macro with dev_info()
- Add Intel RocketLake (RKL) support
- Clean up: Remove the duplicate comments and reorganize
- Fix the slp_s0 counter displayed value
- Fix TigerLake power gating status map
mlx-platform:
- Add capability field to platform FAN description
- Remove PSU EEPROM configuration
platform_data/mlxreg:
- Extend core platform structure
- Update module license
pmc_core:
- Use descriptive names for LPM registers
tools/power/x86/intel-speed-select:
- Update version for v5.10
- Fix missing base-freq core IDs
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Merge tag 'platform-drivers-x86-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Rather calm cycle for x86 platform drivers, all these have been in
for-next for a couple of days with no bot complaints.
Highlights:
- PMC TigerLake fixes and new RocketLake support
- various small fixes / updates in other drivers/tools"
* tag 'platform-drivers-x86-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
MAINTAINERS: update X86 PLATFORM DRIVERS entry with new kernel.org git repo
platform/x86: mlx-platform: Add capability field to platform FAN description
platform_data/mlxreg: Extend core platform structure
platform_data/mlxreg: Update module license
platform/x86: mlx-platform: Remove PSU EEPROM configuration
MAINTAINERS: Update maintainers for pmc_core driver
platform/x86: intel_pmc_core: fix: Replace dev_dbg macro with dev_info()
platform/x86: intel_pmc_core: Add Intel RocketLake (RKL) support
platform/x86: intel_pmc_core: Clean up: Remove the duplicate comments and reorganize
platform/x86: intel_pmc_core: Fix the slp_s0 counter displayed value
platform/x86: intel_pmc_core: Fix TigerLake power gating status map
platform/x86: pmc_core: Use descriptive names for LPM registers
tools/power/x86/intel-speed-select: Update version for v5.10
tools/power/x86/intel-speed-select: Fix missing base-freq core IDs
platform/x86: hp-wmi: add support for thermal policy
Set 'capability' field to FAN core platform data..
The content of 'capability' register allows to set the mapping between
the drawers and tachometers.
The motivation is to avoid adding a new code in the future in order to
distinct between the systems types supporting a different kinds of the
FAN drawers.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200923172053.26296-6-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Remove PSU EEPROM configuration for systems class equipped with
Mellanox chip Spectrume-2. Till now all the systems from this class
used few types of power units, all equipped with EEPROM device with
address space two bytes. Thus, all these devices have been handled by
EEPROM driver "24c32".
There is a new requirement is to support power unit replacement by "off
the shelf" device, matching electrical required parameters. Such device
could be equipped with different EEPROM type, which could be one byte
address space addressing or even could be not equipped with EEPROM.
In such case "24c32" will not work.
Fixes: 1bd42d94cc ("platform/x86: mlx-platform: Add support for new 200G IB and Ethernet systems")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200923172053.26296-2-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
dev_dbg macro is used to dump the debug registers in resume from an S0ix
failure. However, when CONFIG_DYNAMIC_DEBUG is not set, the user may not be
able to find the debug dump on an S0ix failure which defeats the purpose.
The output of these messages is already controlled by a module parameter,
warn_on_s0ix_failures, making it a 2 step process to enable anyway when
CONFIG_DYNAMIC_DEBUG is set.
Hence, replace dev_dbg with dev_info, allowing the control of the messages
solely through the module parameter which is N by default.
Fixes commit 913f984a83 ("platform/x86: intel_pmc_core: Add an
additional parameter to pmc_core_lpm_display()")
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20201007035108.31078-4-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add RocketLake to the list of the platforms that intel_pmc_core driver
supports for pmc_core device. RocketLake reuses all the TigerLake PCH IPs.
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20201007035108.31078-3-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Some of the Cannon Lake PCH IPs are reused by most of the platforms
such as Ice Lake, Tiger Lake, Elkhart Lake, Jasper Lake and can be
reused by future platforms as well. The same was mentioned via comments
not once but twice in an array of bit map structs for Cannon Lake
(cnp_pfear_map).
Hence, remove the duplicate comments and reorganize them.
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Suggested-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20201007035108.31078-2-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
slp_s0 counter value displayed via debugfs interface is calculated by
multiplying the granularity for crystal oscillator tick as 100us with
the value read from using slp_s0 offset. But the granularity of the tick
varies from platform to platform and it needs to be fixed.
Hence, specify granularity of the tick for each platform, so that the
value of the slp_s0 counter is accurate.
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201006224702.12697-4-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
TigerLake's LPM power gating status register has errors in the bit-to-name
mapping as well as with the marked reserved bits according to the actual
implementation. Hence, update the right bit-to-name mapping and the
reserved bits in accordance with actual implementation.
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: David E. Box <david.e.box@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201006224702.12697-3-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Mauro Carvalho Chehab