sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

SPDX: license IDs for some ISC-related files.

Merge from head@274682

IFC @r272481

Sync to HEAD@r272516.

Reintegrate head@r272414

Sponsored by: The FreeBSD Foundation

Add initial support for the AR9485 CUS198 / CUS230 variants.

These variants have a few differences from the default AR9485 NIC,
namely:

* a non-default antenna switch config;
* slightly different R

Add initial support for the AR9485 CUS198 / CUS230 variants.

These variants have a few differences from the default AR9485 NIC,
namely:

* a non-default antenna switch config;
* slightly different RX gain table setup;
* an external XLNA hooked up to a GPIO pin;
* (and not yet done) RSSI threshold differences when
doing slow diversity.

To make this possible:

* Add the PCI device list from Linux ath9k, complete with vendor and
sub-vendor IDs for various things to be enabled;
* .. and until FreeBSD learns about a PCI device list like this,
write a search function inspired by the USB device enumeration code;
* add HAL_OPS_CONFIG to the HAL attach methods; the HAL can use this
to initialise its local driver parameters upon attach;
* copy these parameters over in the AR9300 HAL;
* don't default to override the antenna switch - only do it for
the chips that require it;
* I brought over ar9300_attenuation_apply() from ath9k which is cleaner
and easier to read for this particular NIC.

This is a work in progress. I'm worried that there's some post-AR9380
NIC out there which doesn't work without the antenna override set as
I currently haven't implemented bluetooth coexistence for the AR9380
and later HAL. But I'd rather have this code in the tree and fix it
up before 11.0-RELEASE happens versus having a set of newer NICs
in laptops be effectively RX deaf.

Tested:

* AR9380 (STA)
* AR9485 CUS198 (STA)

Obtained from: Qualcomm Atheros, Linux ath9k

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IFC @ r226824

MFC

Fix a corner case in the HAL debugging changes, where ah was NULL.

Although I tried to fix this earlier by introducing HALDEBUG_G(), it
turns out there seem to be other cases where the pointer value

Fix a corner case in the HAL debugging changes, where ah was NULL.

Although I tried to fix this earlier by introducing HALDEBUG_G(), it
turns out there seem to be other cases where the pointer value is still
NULL.

* Fix DO_HALDEBUG() and the HALDEBUG macro to check whether ah is NULL
before deferencing it
* Remove HALDEBUG_G() as it's no longer needed

This is hopefully a merge candidate for 9.0-RELEASE as enabling
debugging at startup could result in a kernel panic.

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Integrate from Head into ZFSD feature branch as of revision r224141.

IFC @ r223696 to pick up dfr's userboot

MFC

Re-introduce a global ath_hal_debug again for now, whilst I figure out what
to do about the few cases where the HAL state isn't available (regdomain)
or isn't yet setup (probe/attach.)

The global at

Re-introduce a global ath_hal_debug again for now, whilst I figure out what
to do about the few cases where the HAL state isn't available (regdomain)
or isn't yet setup (probe/attach.)

The global ath_hal_debug now affects all instances of the HAL.

This also restores the ability for probe/attach debugging to work; as
the sysctl tree may not be attached at that point. Users can just set
the global "hw.ath.hal.debug" to a suitable value to enable probe/attach
related debugging.

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Merge svn+ssh://svn.freebsd.org/base/head@218816

Include the initial support for external EEPROMs.

The AR9100 at least doesn't have an external serial EEPROM
attached to the MAC; it instead stores the calibration data
in the normal system flash.

Include the initial support for external EEPROMs.

The AR9100 at least doesn't have an external serial EEPROM
attached to the MAC; it instead stores the calibration data
in the normal system flash.

I believe earlier parts can do something similar but I haven't
experienced it first-hand.

This commit introduces an eepromdata pointer into the API but
doesn't at all commit to using it. A future commit will
include the glue needed to allow the AR9100 support code
to use this data pointer as the EEPROM.

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Merge from head up to r188941 (last revision before the USB stack switch)

Update the projects tree to a newer FreeBSD current.

Recognize AR5212_AR2317_REV2 in ar5312Probe()

Submitted by: Pavel Roskin <proski@gnu.org>

MFH @ 186335

fix ini setup

Submitted by: Jiri Fojtasek <jiri.fojtasek@hlohovec.net>

remove duplicate case

Obtained from: netbsd

integrate from head@185615

import ath hal

Update the projects tree to a newer FreeBSD current.