LinuxKPI: pci: rename PCI_IRQ_LEGACY to PCI_IRQ_INTX

PCI_IRQ_LEGACY was added in 366d68f28379 (likely) for rtw88 only.
The define now got renamed and I cannot find any other use but
rtw88 and rtw89.

LinuxKPI: pci: rename PCI_IRQ_LEGACY to PCI_IRQ_INTX

PCI_IRQ_LEGACY was added in 366d68f28379 (likely) for rtw88 only.
The define now got renamed and I cannot find any other use but
rtw88 and rtw89.
We keep the old name as comapt while driver updates are in
progress enabling it defining LINUXKPI_VERSION for the two drivers.

Sponsored by; The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D46822

(cherry picked from commit 157e93e0e8138fbaa6ab5d5b20b0c23f903667a6)

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sys: Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

iwlwifi: rtw88: rtw89: fix gcc warnings

Fix -Wno-format and unused variables warnings with gcc by adopting
(to|the) FreeBSD-specific code.

Reported by: jhb
Sponsored by: The FreeBSD Foundation
MFC

iwlwifi: rtw88: rtw89: fix gcc warnings

Fix -Wno-format and unused variables warnings with gcc by adopting
(to|the) FreeBSD-specific code.

Reported by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D39673

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rtw88: Silence unused but set warnings from GCC for debug.c.

Reviewed by: bz
Differential Revision: https://reviews.freebsd.org/D39353

rtw88: correct SRCS+= in Makefile

Properly spell a SRCS+= for an optional file (this is why it stayed
unnoticed so far).

MFC after: 3 days

LinuxKPI: define LINUXKPI_INCLUDES for module builds as well

While for in-kernel we already have LINUXKPI_INCLUDES in kern.pre.mk
for kmod builds we've not had a common define to use leading to vari

LinuxKPI: define LINUXKPI_INCLUDES for module builds as well

While for in-kernel we already have LINUXKPI_INCLUDES in kern.pre.mk
for kmod builds we've not had a common define to use leading to various
spellings of include paths.

In order for the include list to be expanded more easily in the future,
e.g., adding the "dummy" includes (for all) and to harmonize code,
duplicate LINUXKPI_INCLUDES to kmod.mk and use it for all module Makefiles.

MFC after: 1 week
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D36683

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Revert "rtw88: split driver up into a core and pci part"

After some discussion, for now, simply revert the change to split
the driver up into if_rtw88_core.ko and if_rtw88_pci.ko as we do
not have a

Revert "rtw88: split driver up into a core and pci part"

After some discussion, for now, simply revert the change to split
the driver up into if_rtw88_core.ko and if_rtw88_pci.ko as we do
not have an if_rtw88.ko anymore. We do have code trying to
auto-load modules, e.g. ifconfig, based on if_xxx.ko.

We could, based on Makefile magic or further code, generate a
if_rtw88.ko module with proper dependencies and keep this but for
simplicity stay with the one slightly larger module for now.
Should code appear to do this "properly" we can revisit this once
USB support has landed.

Slightly update the module Makefile to keep the separation of files
between core and pci bits visible and maintainable for the future.

This reverts commit 0f7b9777f8f39fbc230b3e1de2f844d9f839adea.

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rtw88: split driver up into a core and pci part

Split the driver up into two modules (if_rtw88_pci.ko and rtw88_core.ko).
This is in preparation for the hopefully eventually upcoming USB support
usi

rtw88: split driver up into a core and pci part

Split the driver up into two modules (if_rtw88_pci.ko and rtw88_core.ko).
This is in preparation for the hopefully eventually upcoming USB support
using the same driver core.

Note: this changes the module name to load to if_rtw88_pci.ko instead of
if_rtw88.ko. If using devmatch(8) everything should stay the same as
the driver name (used for net.wlan.devices) stays rtw88. If using
kld_list in rc.conf or loader.conf you will need to adjust the name.
Update man page for this.

MFC after: 3 days

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rtw88: import Realtek's rtw88 driver

Import rtw88 based on wireless-testing at
5d5d68bcff1f7ff27ba0b938a4df5849849b47e3 with adjustments for FreeBSD.

While our version of the driver has knowledge a

rtw88: import Realtek's rtw88 driver

Import rtw88 based on wireless-testing at
5d5d68bcff1f7ff27ba0b938a4df5849849b47e3 with adjustments for FreeBSD.

While our version of the driver has knowledge about the incapablity
of DMA above 4GB we do see errors if people have more than that
often already showing when laoding firmware.
The problem for that is currently believed to be outside this driver
so importing it anyway for now.

Given the lack of full license texts on non-local files this is
imported under the draft policy for handling SPDX files (D29226). [1]

Approved by: core (imp) [1]
MFC after: 2 weeks

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