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HID_QUIRK_INVERT is kind of complex to deal with and was bogus.
Furthermore, it didn't make sense to use a global per struct hid_device
quirk for something dynamic as the current state.
Store the current tool information in the report itself, and re-order
the processing of the fields to enforce having all the tablet "state"
fields before getting to In Range and other input fields.
This way, we now have all the information whether a tool is present
or not while processing In Range.
This new behavior enforces that only one tool gets forwarded to userspace
at the same time, and that if either eraser or invert is set, we enforce
BTN_TOOL_RUBBER.
Note that the release of the previous tool now happens in its own EV_SYN
report so userspace doesn't get confused by having 2 tools.
These changes are tested in the following hid-tools regression tests:
https://gitlab.freedesktop.org/libevdev/hid-tools/-/merge_requests/127
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When a device exposes both Invert and InRange, Invert must be processed
before InRange. If we keep the order of the device and we process them
out of order, InRange will first set BTN_TOOL_PEN, and then Invert will
set BTN_TOOL_RUBBER. Userspace knows how to deal with that situation,
but fixing it in the kernel is now easier.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Now that we have a list of fields/usages by priority order,
walk through that list to process the inputs instead of using the
order provided by the manufacturer.
Note that this changes the way we update the values in the struct
hid_field:
Previously, once a field was processed, we updated the new values.
Now we need to wait for the entire report to be processed to update
the values.
I don't think it will be an issue: because we were relying on the device
ordering, there were no guarantees to have a field stored before an other.
Which is why we introduced .report() in drivers to have those values
updated.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This will be used in a later commit:
we build a list of input fields (and usage_index) that is ordered based
on a usage priority.
Changing the usage priority allows to re-order the processed list, meaning
that we can enforce some usages to be process before others.
For instance, before processing InRange in the HID tablets, we need to
know if we are using the eraser (side or button). Enforcing a higher
(lower number) priority for Invert allows to force the input stack to
process that field before.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
It actually makes sense to clamp the value to its boundaries before
doing further processing.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Instead of using multiple `if (a == b)`, use the switch statement
which has been done exactly for that.
There should be no functional change (I don't expect moving down
HID_QUIRK_{X|Y}_INVERT having any impact.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some devices (Elan, Synaptics...) are sometimes not setting a physical
in their finger collections. hid-input will consider them to be pen
devices, leading to some wrong behavior in user space.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This is a preparatory patch for being able to process the usages
out of order. We split the retrieval of the data in a separate function
and also split out the processing of the usages depending if the field
is an array or a variable.
No functional changes from this patch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
I had to go twice through the history to get a grasp at this code.
De-duplicate the various tests in one common helper to make it
more explicit.
Note that the `HID_UP_KEYBOARD + 1` condition is tested through
https://gitlab.freedesktop.org/libevdev/hid-tools/-/merge_requests/121
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This is a preparation patch for rethinking the generic processing
of HID reports.
We can actually pre-allocate all of our memory instead of dynamically
allocating/freeing it whenever we parse a report.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The driver creates the top row map sysfs attribute in input_configured()
method; unfortunately we do not have a callback that is executed when HID
interface is unbound, thus we are leaking these sysfs attributes, for
example when device is disconnected.
To fix it let's switch to managed version of adding sysfs attributes which
will ensure that they are destroyed when the driver is unbound.
Fixes: 14c9c014babe ("HID: add vivaldi HID driver")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for multiple frame input devices and their parameters to
the UC-Logic driver. This prepares for creating a separate input device
for Huion HS610 virtual touch ring reports.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Put general hardware version before everything else in uclogic_rdesc_
namespace.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Use the term "frame" instead of "buttonpad" for consistency, in UC-Logic
driver.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Allow to set the report ID in UCLOGIC_RDESC_FRAME_BYTES instead of
using a hardcoded value.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Simplify the UCLOGIC_RDESC_BUTTONPAD_BYTES macro by passing as param
the size of the report to pad to in bytes.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Switch from matching UC-Logic subreport with a mask to a full value to
support detecting Huion HS610 touch dial reports. Those would match the
button mask otherwise.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Replace a single pen_frame_flag in struct uclogic_params with
subreport_list in struct uclogic_params_pen to prepare for handling more
subreports in Huion HS610.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Remove support for pen usage masking from hid-uclogic. Disable whole
interfaces instead. Most of those interfaces are useless, and if there
is one which has an unused pen usage, but also has useful reports, its
report descriptor should be rewritten instead.
This simplifies the code and the data structures.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
There are no remaining callers of set_fs(), so CONFIG_SET_FS
can be removed globally, along with the thread_info field and
any references to it.
This turns access_ok() into a cheaper check against TASK_SIZE_MAX.
As CONFIG_SET_FS is now gone, drop all remaining references to
set_fs()/get_fs(), mm_segment_t, user_addr_max() and uaccess_kernel().
Acked-by: Sam Ravnborg <sam@ravnborg.org> # for sparc32 changes
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Tested-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com> # for arc changes
Acked-by: Stafford Horne <shorne@gmail.com> # [openrisc, asm-generic]
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Syzbot reported an slab-out-of-bounds Read in thrustmaster_probe() bug.
The root case is in missing validation check of actual number of endpoints.
Code should not blindly access usb_host_interface::endpoint array, since
it may contain less endpoints than code expects.
Fix it by adding missing validaion check and print an error if
number of endpoints do not match expected number
Fixes: c49c33637802 ("HID: support for initialization of some Thrustmaster wheels")
Reported-and-tested-by: syzbot+35eebd505e97d315d01c@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Commit 817b8b9c539 ("HID: elo: fix memory leak in elo_probe") introduced
memory leak on error path, but more importantly the whole USB reference
counting is not needed at all in the first place, as the driver itself
doesn't change the reference counting in any way, and the associated
usb_device is guaranteed to be kept around by USB core as long as the
driver binding exists.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: fbf42729d0e ("HID: elo: update the reference count of the usb device structure")
Fixes: 817b8b9c539 ("HID: elo: fix memory leak in elo_probe")
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Since hid-apple driver now makes use of LEDS functionality, reflect this
properly in Kconfig.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 9018eacbe623b ("HID: apple: Add support for keyboard backlight on certain T2 Macs.")
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add a driver to enable the macro keys (M1 - M5) by default, these are
mapped to XF86Tools and XF86Launch5 - XF86Launch8. The driver remaps
them by default to macro keys with an option to retain the old mapping
which users most likely already use as there are many scripts to enable
the macro keys available on Github and other websites.
Signed-off-by: Jelle van der Waa <jvanderwaa@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Different add ons to the wheel base report different models. Having
no wheel mounted to the base and using the open wheel attachment is
added here.
Signed-off-by: Michael Hübner <michaelh.95@t-online.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch adds the Fn mapping for keyboards on certain T2 Macs.
[jkosina@suse.cz: rebase on top of apple_setup_input() refactoring]
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch adds the necessary IDs and configuration for Macs with
the T2 Security chip.
Signed-off-by: Aun-Ali Zaidi <admin@kodeit.net>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch introduces the requisite plumbing for supporting keyboard
backlight on T2-attached, USB exposed models. The quirk mechanism was
used to reuse the existing hid-apple driver.
Signed-off-by: Paul Pawlowski <paul@mrarm.io>
Signed-off-by: Aun-Ali Zaidi <admin@kodeit.net>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Like the Apple Magic Keyboard 2015, when connected over USB, the 2021
version with fingerprint reader registers 2 different interfaces. One of
them is used to report the battery level.
However, unlike when connected over Bluetooth, the battery level is not
reported automatically and it is required to fetch it manually.
Add the APPLE_RDESC_BATTERY quirk to fix the battery report descriptor
and manually fetch the battery level.
Tested with the ANSI variant of the keyboard with and without numpad.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Like the Apple Magic Keyboard 2015, when connected over USB, the 2021
version registers 2 different interfaces. One of them is used to report
the battery level.
However, unlike when connected over Bluetooth, the battery level is not
reported automatically and it is required to fetch it manually.
Add the APPLE_RDESC_BATTERY quirk to fix the battery report descriptor
and manually fetch the battery level.
Tested with the ANSI, ISO and JIS variants of the keyboard.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Magic Keyboard 2015 function key mapping was not present and the
default mapping was used.
While this worked for most keys, the F5 and F6 keys were sending
KEY_KBDILLUMDOWN and KEY_KBDILLUMUP; however, the keyboard is not
backlited.
Add a custom translation table for the keyboard leaving F5 and F6
unassigned to mimic the default behavior on macOS.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The function key mapping for the Magic Keyboard first generation (2007,
2009 and 2011 aluminum wireless models) was not present and the default
one was used instead.
This caused two main issues:
- The F5 and F6 keys were sending KEY_KBDILLUMDOWN and KEY_KBDILLUMUP;
however, the keyboard is not backlited.
- The keyboard has the APPLE_NUMLOCK_EMULATION quirk with F6 set as
the KEY_NUMLOCK key by "powerbook_numlock_keys". However, because F6
was mapped to KEY_KBDILLUMUP by the default mapping it was not
possible to switch the numlock status.
This means that, if numlock was enabled on session startup, it was
not possible to disable it without connecting another keyboard.
Add a custom translation table for the device leaving F5 unassigned and
using F6 as the KEY_NUMLOCK key.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The code used to map the apple_key_translation structs is duplicated.
Extract it to a common function.
Refactor, no functional changes.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Explicitly change report ID to virtual ID and handle virtual frame
reports as real for consistency.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Early return when a non-input raw event is received to simplify the
logic present in uclogic_raw_event.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Simplify the raw event handling code by accessing the
uclogic_params_pen/uclogic_params_frame structs directly.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
In order to avoid ending up with a big uclogic_raw_event function,
split it in two smaller functions: uclogic_raw_event_pen for the pen
events and uclogic_raw_event_frame for the pad events.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Support reporting 13th frame button for Huion tablets. This supports
reporting the button in the center of the dial for Huion HS610.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Since the 006d Huion PID is used by multiple tablets (at least HS64 and
HS610), rename its constant to a more general
"USB_DEVICE_ID_HUION_TABLET2".
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for Huion v2 protocol tilt reporting. Describe reports as
angles in degrees, which is not exactly true, but there doesn't seem to
be a straightforward, consistent conversion possible, and what's
reported would have to be enough.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Eliminate the following coccicheck warning:
./drivers/hid/i2c-hid/i2c-hid-core.c:357:56-57: Unneeded semicolon
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
As of logitech lightspeed receiver fw version 04.02.B0009,
HIDPP_PARAM_DEVICE_INFO is being reported as 0x11.
With patch "HID: logitech-dj: add support for the new lightspeed receiver
iteration", the mouse starts to error out with:
logitech-djreceiver: unusable device of type UNKNOWN (0x011) connected on
slot 1
and becomes unusable.
This has been noticed on a Logitech G Pro X Superlight fw MPM 25.01.B0018.
Signed-off-by: Lucas Zampieri <lzampier@redhat.com>
Acked-by: Nestor Lopez Casado <nlopezcasad@logitech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
On newer AMD platforms with SFH, it is observed that random interrupts
get generated on the SFH hardware and until this is cleared the firmware
sensor processing is stalled, resulting in no data been received to
driver side.
Add routines to handle these interrupts, so that firmware operations are
not stalled.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Newer AMD platforms with SFH may generate interrupts on some events
which are unwarranted. Until this is cleared the actual MP2 data
processing maybe stalled in some cases.
Add a mechanism to clear the pending interrupts (if any) during the
driver initialization and sensor command operations.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Sensor data is processed in polling mode. Hence disable the interrupt
for all sensor command.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Misinterpreted intr_enable field name. Hence correct the structure
field name accordingly to reflect the functionality.
Fixes: f264481ad614 ("HID: amd_sfh: Extend driver capabilities for multi-generation support")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Since in the current amd_sfh design the sensor data is periodically
obtained in the form of poll data, during the suspend/resume cycle,
scheduling a delayed work adds no value.
So, cancel the work and restart back during the suspend/resume cycle
respectively.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
All I2C communications in the driver use driver-private buffers that are
DMA-safe, so mark them as such.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We can stop defining a union for HID descriptor data as we now only access
individual members of it by names and using proper types instead of
accessing by offset from the beginning of the data structure.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
