evdev: Remove evdev.ko linkage dependency on kbd driver

Move evdev_ev_kbd_event() helper from evdev to kbd.c as otherwise evdev
unconditionally requires all keyboard and console stuff to be compiled

evdev: Remove evdev.ko linkage dependency on kbd driver

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

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Move most of the contents of opt_compat.h to opt_global.h.

opt_compat.h is mentioned in nearly 180 files. In-progress network
driver compabibility improvements may add over 100 more so this is
close

Move most of the contents of opt_compat.h to opt_global.h.

opt_compat.h is mentioned in nearly 180 files. In-progress network
driver compabibility improvements may add over 100 more so this is
closer to "just about everywhere" than "only some files" per the
guidance in sys/conf/options.

Keep COMPAT_LINUX32 in opt_compat.h as it is confined to a subset of
sys/compat/linux/*.c. A fake _COMPAT_LINUX option ensure opt_compat.h
is created on all architectures.

Move COMPAT_LINUXKPI to opt_dontuse.h as it is only used to control the
set of compiled files.

Reviewed by: kib, cem, jhb, jtl
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D14941

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sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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[evdev] Add evdev support to atkbd(4) driver

To enable event sourcing from atkbd kern.evdev.rcpt_mask value
should have bit 3 set.

Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
MFC after: 1

[evdev] Add evdev support to atkbd(4) driver

To enable event sourcing from atkbd kern.evdev.rcpt_mask value
should have bit 3 set.

Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D8381

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sys/dev: use our nitems() macro when it is avaliable through param.h.

No functional change, only trivial cases are done in this sweep,
Drivers that can get further enhancements will be done independ

sys/dev: use our nitems() macro when it is avaliable through param.h.

No functional change, only trivial cases are done in this sweep,
Drivers that can get further enhancements will be done independently.

Discussed in: freebsd-current

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Remove leftover from r282269.

MFC after: 2 weeks
X-MFC with: r282269

atkbd: remove usage of x86bios

Instead of trying to get the keyboard repeat rate set by the BIOS just set a
default one. This allows removing the usage of x86bios from atkbd.

Sponsored by: Citrix S

atkbd: remove usage of x86bios

Instead of trying to get the keyboard repeat rate set by the BIOS just set a
default one. This allows removing the usage of x86bios from atkbd.

Sponsored by: Citrix Systems R&D
Reviewed by: jkim, delphij
Differential Revision: https://reviews.freebsd.org/D2399
MFC after: 2 weeks

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Quirk based support of Chromebook keyboard found in Acer C720

This probably supports other devices based on SeaBIOS, which need
to be added to the smbios based quirks table.

The functionality has b

Quirk based support of Chromebook keyboard found in Acer C720

This probably supports other devices based on SeaBIOS, which need
to be added to the smbios based quirks table.

The functionality has been ported from DragonFlyBSD and adapted
to FreeBSD's more general purpose environment.

Devices not covered by a quirk shouldn't be affected at all. Thanks
to jhb and kostikbel for reviewing the code.

Reviewed by: kostikbel, jhb
Approved by: jhb, kostikbel
Differential Revision: https://reviews.freebsd.org/D1802

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Convert from timeout(9) to callout(9).

Pass the device_t into atkbd_{probe,attach}_unit and get the
controller unit and keyboard unit from there. It will be needed
for other things in the future as well...

style(9) changes before I do more real changes.

Restore binary compatibility for GIO_KEYMAP and PIO_KEYMAP.

Back in 2009 I changed the ABI of the GIO_KEYMAP and PIO_KEYMAP ioctls
to support wide characters. I created a patch to add ABI compatibil

Restore binary compatibility for GIO_KEYMAP and PIO_KEYMAP.

Back in 2009 I changed the ABI of the GIO_KEYMAP and PIO_KEYMAP ioctls
to support wide characters. I created a patch to add ABI compatibility
for the old calls, but I didn't get any feedback to that.

It seems now people are upgrading from 8 to 9 they experience this
issue, so add it anyway.

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Correct a typo.

Submitted by: Fabian Keil <fk fabiankeil de>
MFC after: 3 days

Add comments about the validation.

Validate INT 15h and 16h vectors more strictly. Traditionally these entry
points are fixed addresses and (U)EFI CSM specification also mandated that.
Unfortunately, (U)EFI CSM specification does not

Validate INT 15h and 16h vectors more strictly. Traditionally these entry
points are fixed addresses and (U)EFI CSM specification also mandated that.
Unfortunately, (U)EFI CSM specification does not specifically mention this
is to call service routine via interrupt vector table or to jump directly
to the entry point. As a result, some CSM seems to install two routines
and acts differently, depending on how it was executed, unfortunately.
When INT 15h is used, it calls a function pointer (which is probably a UEFI
service function). When it jumps directly to the entry point, it executes
a simple and traditional INT 15h service routine. Therefore, actually there
are two possible fixes, i. e., this fix or jumping directly to the fixed
entry point. However, we chose this fix because a) keyboard typematic
support via BIOS is becoming extremely rarer and b) we cannot support random
service routine installed by a firmware or a boot loader. This should fix
Lenovo X220 laptop, specifically.

Reviewed by: delphij
MFC after: 3 days

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Revert r222152. The root cause was analysed and better fix is upcoming.

Discussed with: delphij

Add a new knob to atkbd(4) to enable typematic rate detection on boot,
which is now disabled by default. The detection is known to cause hangs
on boot with some new Lenovo laptops on FreeBSD/amd64.

Add a new knob to atkbd(4) to enable typematic rate detection on boot,
which is now disabled by default. The detection is known to cause hangs
on boot with some new Lenovo laptops on FreeBSD/amd64.

Reported by: gnn
Discussed with: jkim
MFC after: 3 months

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MFC x86emu/x86bios emulator and make previously i386 only dpms and vesa
framebuffer driver, etc. work on FreeBSD/amd64.

A significant amount of improvements were done by jkim@ during the recent
mont

MFC x86emu/x86bios emulator and make previously i386 only dpms and vesa
framebuffer driver, etc. work on FreeBSD/amd64.

A significant amount of improvements were done by jkim@ during the recent
months to make vesa(4) work better, over the initial code import. This
work is based on OpenBSD's x86emu implementation and contributed by
paradox <ddkprog yahoo com> and swell.k at gmail com.

Hopefully I have stolen all their work to 8-STABLE :)

All bugs in this commit are mine, as usual.

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Rewrite x86bios and update its dependent drivers.

- Do not map entire real mode memory (1MB). Instead, we map IVT/BDA and
ROM area separately. Most notably, ROM area is mapped as device memory
(un

Rewrite x86bios and update its dependent drivers.

- Do not map entire real mode memory (1MB). Instead, we map IVT/BDA and
ROM area separately. Most notably, ROM area is mapped as device memory
(uncacheable) as it should be. User memory is dynamically allocated and
free'ed with contigmalloc(9) and contigfree(9). Remove now redundant and
potentially dangerous x86bios_alloc.c. If this emulator ever grows to
support non-PC hardware, we may implement it with rman(9) later.
- Move all host-specific initializations from x86emu_util.c to x86bios.c and
remove now unnecessary x86emu_util.c. Currently, non-PC hardware is not
supported. We may use bus_space(9) later when the KPI is fixed.
- Replace all bzero() calls for emulated registers with more obviously named
x86bios_init_regs(). This function also initializes DS and SS properly.
- Add x86bios_get_intr(). This function checks if the interrupt vector is
available for the platform. It is not necessary for PC-compatible hardware
but it may be needed later. ;-)
- Do not try turning off monitor if DPMS does not support the state.
- Allocate stable memory for VESA OEM strings instead of just holding
pointers to them. They may or may not be accessible always. Fix a memory
leak of video mode table while I am here.
- Add (experimental) BIOS POST call for vesa(4). This function calls VGA
BIOS POST code from the current VGA option ROM. Some video controllers
cannot save and restore the state properly even if it is claimed to be
supported. Usually the symptom is blank display after resuming from suspend
state. If the video mode does not match the previous mode after restoring,
we try BIOS POST and force the known good initial state. Some magic was
taken from NetBSD (and it was taken from vbetool, I believe.)
- Add a loader tunable for vgapci(4) to give a hint to dpms(4) and vesa(4)
to identify who owns the VESA BIOS. This is very useful for multi-display
adapter setup. By default, the POST video controller is automatically
probed and the tunable "hw.pci.default_vgapci_unit" is set to corresponding
vgapci unit number. You may override it from loader but it is very unlikely
to be necessary. Unfortunately only AGP/PCI/PCI-E controllers can be
matched because ISA controller does not have necessary device IDs.
- Fix a long standing bug in state save/restore function. The state buffer
pointer should be ES:BX, not ES:DI according to VBE 3.0. If it ever worked,
that's because BX was always zero. :-)
- Clean up register initializations more clearer per VBE 3.0.
- Fix a lot of style issues with vesa(4).

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Fix couple of style nits missed in the previous commit.

- Use x86bios_offset() instead of BIOS_PADDRTOVADDR() macro.[1]
- Clear all registers before calling real mode interrupt handlers as we did
for dpms and vesa and re-enable the function as it should b

- Use x86bios_offset() instead of BIOS_PADDRTOVADDR() macro.[1]
- Clear all registers before calling real mode interrupt handlers as we did
for dpms and vesa and re-enable the function as it should be fixed by this.
- Tidy up register access. For example, when we call INT 0x15, AH=0xc0,
we used to initialize AX=0xc000 to clear AL at the same time but it is
very confusing. We don't have to do this any more because we are explicitly
clearing all registers now.
- Check size of system configuration table although it is almost always 8.
This is to make sure we are not reading some random low physical memory.
Hopefully it is just zero in that case. :-)
- Fix some style nits and add more comments.

Submitted by: paradox (ddkprog yahoo com)[1]

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- Use FreeBSD function naming convention.
- Change x86biosCall() to more appropriate x86bios_intr().[1]

Discussed with: delphij, paradox (ddkprog yahoo com)
Submitted by: paradox (ddkprog yahoo com)

- Use FreeBSD function naming convention.
- Change x86biosCall() to more appropriate x86bios_intr().[1]

Discussed with: delphij, paradox (ddkprog yahoo com)
Submitted by: paradox (ddkprog yahoo com)[1]

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Move sys/dev/x86bios to sys/compat/x86bios.

It may not be optimal but it is clearly better than the old place.

OK'ed by: delphij, paradox (ddkprog yahoo com)

Temporarily disable typematic retrieving code until we get a real fix,
which currently causes hangs in some configurations.

Reported by: joel
Submitted by: swell.k at gmail.com

Allow atkbd to obtain keyboard repeat rate from BIOS on amd64.

Submitted by: swell.k at gmail.com