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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8
inherit linux-mod-r1

DESCRIPTION="Broadcom's IEEE 802.11a/b/g/n hybrid Linux device driver"
HOMEPAGE="https://www.broadcom.com/support/802.11"
SRC_BASE="https://docs.broadcom.com/docs-and-downloads/docs/linux_sta/hybrid-v35"
SRC_URI="x86? ( ${SRC_BASE}-nodebug-pcoem-${PV//\./_}.tar.gz )
	amd64? ( ${SRC_BASE}_64-nodebug-pcoem-${PV//\./_}.tar.gz )
	https://docs.broadcom.com/docs-and-downloads/docs/linux_sta/README_${PV}.txt -> README-${P}.txt"

LICENSE="Broadcom"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86"

RESTRICT="mirror"

DEPEND="virtual/linux-sources"
RDEPEND=""

S="${WORKDIR}"

PATCHES=(
	"${FILESDIR}/001-null-pointer-fix.patch"
	"${FILESDIR}/002-rdtscl.patch"
	"${FILESDIR}/003-linux47.patch"
	"${FILESDIR}/004-linux48.patch"
	"${FILESDIR}/005-debian-fix-kernel-warnings.patch"
	"${FILESDIR}/006-linux411.patch"
	"${FILESDIR}/007-linux412.patch"
	"${FILESDIR}/008-linux415.patch"
	"${FILESDIR}/009-fix_mac_profile_discrepancy.patch"
	"${FILESDIR}/010-linux56.patch"
	"${FILESDIR}/011-linux59.patch"
	"${FILESDIR}/012-linux517.patch"
	"${FILESDIR}/013-linux518.patch"
	"${FILESDIR}/014-linux414.patch"
	"${FILESDIR}/015-linux600.patch"
	"${FILESDIR}/016-linux601.patch"
)

pkg_pretend() {
	ewarn
	ewarn "If you are stuck using this unmaintained driver (likely in a MacBook),"
	ewarn "you may be interested to know that a newer compatible wireless card"
	ewarn "is supported by the in-tree brcmfmac driver. It has a model number "
	ewarn "BCM943602CS and is for sale on the second hand market for less than "
	ewarn "20 USD."
	ewarn
	ewarn "See https://wikidevi.com/wiki/Broadcom_Wireless_Adapters and"
	ewarn "    https://wikidevi.com/wiki/Broadcom_BCM943602CS"
	ewarn "for more information."
	ewarn
}

pkg_setup() {
	# bug #300570
	# NOTE<lxnay>: module builds correctly anyway with b43 and SSB enabled
	# make checks non-fatal. The correct fix is blackisting ssb and, perhaps
	# b43 via udev rules. Moreover, previous fix broke binpkgs support.
	CONFIG_CHECK="~!B43 ~!BCMA ~!SSB ~!X86_INTEL_LPSS"
	CONFIG_CHECK2="LIB80211 ~!MAC80211 ~LIB80211_CRYPT_TKIP"
	ERROR_B43="B43: If you insist on building this, you must blacklist it!"
	ERROR_BCMA="BCMA: If you insist on building this, you must blacklist it!"
	ERROR_SSB="SSB: If you insist on building this, you must blacklist it!"
	ERROR_LIB80211="LIB80211: Please enable it. If you can't find it: enabling the driver for \"Intel PRO/Wireless 2100\" or \"Intel PRO/Wireless 2200BG\" (IPW2100 or IPW2200) should suffice."
	ERROR_MAC80211="MAC80211: If you insist on building this, you must blacklist it!"
	ERROR_PREEMPT_RCU="PREEMPT_RCU: Please do not set the Preemption Model to \"Preemptible Kernel\"; choose something else."
	ERROR_LIB80211_CRYPT_TKIP="LIB80211_CRYPT_TKIP: You will need this for WPA."
	ERROR_X86_INTEL_LPSS="X86_INTEL_LPSS: Please disable it. The module does not work with it enabled."
	if kernel_is ge 3 8 8; then
		CONFIG_CHECK="${CONFIG_CHECK} ${CONFIG_CHECK2} CFG80211 ~!PREEMPT_RCU ~!PREEMPT"
	elif kernel_is ge 2 6 32; then
		CONFIG_CHECK="${CONFIG_CHECK} ${CONFIG_CHECK2} CFG80211"
	elif kernel_is ge 2 6 31; then
		CONFIG_CHECK="${CONFIG_CHECK} ${CONFIG_CHECK2} WIRELESS_EXT ~!MAC80211"
	elif kernel_is ge 2 6 29; then
		CONFIG_CHECK="${CONFIG_CHECK} ${CONFIG_CHECK2} WIRELESS_EXT COMPAT_NET_DEV_OPS"
	else
		CONFIG_CHECK="${CONFIG_CHECK} IEEE80211 IEEE80211_CRYPT_TKIP"
	fi

	linux-mod-r1_pkg_setup
}

src_compile() {
	local modlist=( wl )
	local modargs=(
			-C ${KV_DIR} M="${S}"
	)

	linux-mod-r1_src_compile
}

src_install() {
	linux-mod-r1_src_install

	insinto /etc/modprobe.d
	newins "${FILESDIR}"/broadcom-sta-modules.conf wl.conf
	dodoc "${DISTDIR}/README-${P}.txt"
}