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by device driver. That is required as game pad and joystick events have
to be accessible by ordinary users.
MFC after: 1 month
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Neither the ums(4) nor psm(4) reporting can be used by the wsp(4)
driver, as they rely on static-length movements, while wsp(4) may need
to scroll in large amounts per evdev event push.
This style uses a false button-5 press as an indicator that the z-axis
movement is a horizontal scroll, otherwise a vertical scroll.
Signed-off-by: Joshua Rogers <Joshua@Joshua.Hu>
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Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
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of psm(4), ums(4) and sysmouse(4) drivers.
EVIOCGRAB ioctl execution on /dev/input/event# device node gains
exclusive access to this device to caller. It is used mostly for
development purposes and remote control software. See e.g.
https://reviews.freebsd.org/D30020 which is the reason of creation
of this change.
MFC after: 2 weeks
Tested by: corvink
Differential revision: https://reviews.freebsd.org/D30542
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- s/prefered/preferred/
MFC after: 3 days
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In implicit mode assignment of slot number and tracking id is performed
automatically on each synchronization requested by device driver.
This is done with creation of intermediate buffer for multitouch events.
This buffer holds untracked events until synchronization is requested by
device driver. It is needed as touch assigment requires
knowledges of all touch positions pushed in current and previous reports.
MFC after: 2 weeks
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Touch tracking is a process of assignment of unique trackingID to each
initiated contact on the surface. Keeping the trackingIDs persistent
across multitouch reports requires solving of so called Euclidian
Bipartite Matching problem.
This commit imports EBM-solver implementation based on Dinitz-Kronrod
algorithm to find minimum cost matching between contacts listed in two
consecutive reports.
Obtained from: OpenBSD
MFC after: 2 weeks
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MFC after: 2 weeks
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with using of unioned anonymous structure.
Access to the same data by using different members of union generally
works despite it is not supported by C specs.
Also add helper function to report entire slot state.
MFC after: 2 weeks
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1. Move touch count reporting helpers to utils. They are not multitouch.
2. Use evdev_mt prefix for private multitouch support routines.
3. Use int instead of int32_t where fixed size is not required.
4. Export some internal functions.
This change should be no-op.
MFC after: 2 weeks
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At the beginning of evdev there was a LOR between hardware driver's and
evdev client list locks as they were taken in different order at
driver's interrupt and evdev open()/close() handlers.
The LOR was fixed with introduction of evdev_register_mtx() function
which allowed to use a hardware driver's lock as evdev client list lock.
While this works good with PS/2 and USB, this does not work with I2C.
Unlike PS/2 and USB, I2C open()/close() handlers do unbound sleeps
while waiting for I2C bus to release and while performing IO.
This change uses epoch(9) for traversing evdev client list in interrupt
handler to avoid the LOR thus making possible to convert evdev client
list lock to sleepable sx.
While here add brief locking protocol description.
Reviewed by: markj
Differential revision: https://reviews.freebsd.org/D27865
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It can not be used for setting of state of multitouch events.
If necessary, use evdev_push_event() instead of it.
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Move evdev_ev_kbd_event() helper from evdev to kbd.c as otherwise evdev
unconditionally requires all keyboard and console stuff to be compiled
into the kernel. This dependency happens as evdev_ev_kbd_event() helper
references kbdsw global variable defined in kbd.c through use of
kbdd_ioctl() macro.
While here make all keyboard drivers respect evdev_rcpt_mask while setting
typematic rate and LEDs with evdev interface.
Requested by: Milan Obuch <bsd@dino.sk>
Reviewed by: hselasky, gonzo
Differential Revision: https://reviews.freebsd.org/D16614
Notes:
svn path=/head/; revision=337721
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Now softc should be retrieved from struct edvev * pointer
with evdev_get_softc() helper.
wmt(4) is a sample of driver that support both KPI.
Reviewed by: hselasky, gonzo
Differential Revision: https://reviews.freebsd.org/D16614
Notes:
svn path=/head/; revision=337720
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Some events can take sound pitch as a value so can not be represented
as binary on/off events. Tracking for on/off state is left in place
as it is a part of the evdev API.
Reviewed by: gonzo
Approved by: gonzo (mentor)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D12676
Notes:
svn path=/head/; revision=325298
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For horizontal (T-axis) wheel reporting which is not supported by
sysmouse protocol kern.evdev.sysmouse_t_axis sysctl is introduced.
It can take following values:
0 - no T-axis events (default)
1 - T-axis events are originated in ums(4) driver.
2 - T-axis events are originated in psm(4) driver.
Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D8597
Notes:
svn path=/head/; revision=309823
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Add wrappers around generic evdev_push_event for specific event types:
EV_KEY/EV_REL/EV_ABS etc...
Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Notes:
svn path=/head/; revision=307804
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Automaticaly release (send ABS_MT_TRACKING_ID = -1) MT-slots
that has not been listed in current MT protocol type B report.
Slot is counted as listed if corresponding ABS_MT_SLOT event
has been sent regardless of other MT events.
Events are sent on SYN_REPORT event.
Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Notes:
svn path=/head/; revision=306857
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Add new API call: evdev_register_mtx which takes lock argument that
should be used instead of internal one for evdev locking. Useful for
cases if evdev_push_event() is always called with driver's lock taken
and reduces amount of lock aquisitions. This allows to avoid LOR
between ev_open/ev_close invocations and evdev_push_event() Such LOR
can happen when ev_open/ev_close methods acquire driver lock and
evdev_push_event() is called with this lock taken.
Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Notes:
svn path=/head/; revision=306855
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Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Suggested by: hselasky
Notes:
svn path=/head/; revision=306647
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evdev is a generic input event interface compatible with Linux
evdev API at ioctl level. It allows using unmodified (apart from
header name) input evdev drivers in Xorg, Wayland, Qt.
This commit has only generic kernel API. evdev support for individual
hardware drivers like ukbd, ums, atkbd, etc. will be committed later.
Project was started by Jakub Klama as part of GSoC 2014. Jakub's
evdev implementation was later used as a base, updated and finished
by Vladimir Kondratiev.
Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Reviewed by: adrian, hans
Differential Revision: https://reviews.freebsd.org/D6998
Notes:
svn path=/head/; revision=305706
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