From 17deab41969ff9d7326e723f06a2576cdc76186a Mon Sep 17 00:00:00 2001
From: "Azamat H. Hackimov" <azamat.hackimov@gmail.com>
Date: Sat, 6 May 2023 15:29:23 +0300
Subject: sys-firmware/broadcom-bt-firmware: compression support

Add compression support wih xz or zstd.

Co-authored-by: Florian Schmaus <flo@geekplace.eu>
Signed-off-by: Azamat H. Hackimov <azamat.hackimov@gmail.com>
Signed-off-by: Joonas Niilola <juippis@gentoo.org>
---
 .../broadcom-bt-firmware-12.0.1.1105_p4-r1.ebuild  | 63 ++++++++++++++++++++++
 sys-firmware/broadcom-bt-firmware/metadata.xml     |  4 ++
 2 files changed, 67 insertions(+)
 create mode 100644 sys-firmware/broadcom-bt-firmware/broadcom-bt-firmware-12.0.1.1105_p4-r1.ebuild

(limited to 'sys-firmware')

diff --git a/sys-firmware/broadcom-bt-firmware/broadcom-bt-firmware-12.0.1.1105_p4-r1.ebuild b/sys-firmware/broadcom-bt-firmware/broadcom-bt-firmware-12.0.1.1105_p4-r1.ebuild
new file mode 100644
index 000000000000..e5bbdc369275
--- /dev/null
+++ b/sys-firmware/broadcom-bt-firmware/broadcom-bt-firmware-12.0.1.1105_p4-r1.ebuild
@@ -0,0 +1,63 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+inherit linux-info multiprocessing
+
+DESCRIPTION="Broadcom Bluetooth firmware"
+HOMEPAGE="https://github.com/winterheart/broadcom-bt-firmware"
+SRC_URI="https://github.com/winterheart/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="broadcom_bcm20702 MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc64 ~x86"
+# Re-use compress-* USE flags from sys-kernel/linux-firmware.
+IUSE="compress-xz compress-zstd"
+REQUIRED_USE="?? ( compress-xz compress-zstd )"
+
+BDEPEND="
+	compress-xz? ( app-arch/xz-utils )
+	compress-zstd? ( app-arch/zstd )
+"
+
+pkg_setup() {
+	if use compress-xz || use compress-zstd ; then
+		local CONFIG_CHECK
+
+		if kernel_is -ge 5 19; then
+			use compress-xz && CONFIG_CHECK="~FW_LOADER_COMPRESS_XZ"
+			use compress-zstd && CONFIG_CHECK="~FW_LOADER_COMPRESS_ZSTD"
+		else
+			use compress-xz && CONFIG_CHECK="~FW_LOADER_COMPRESS"
+			if use compress-zstd; then
+				eerror "Kernels <5.19 do not support ZSTD-compressed firmware files"
+			fi
+		fi
+		linux-info_pkg_setup
+	fi
+}
+
+src_install() {
+	insinto /lib/firmware
+	doins -r brcm
+
+	if use compress-xz || use compress-zstd; then
+		pushd "${ED}/lib/firmware/brcm" &>/dev/null || die
+		einfo "Compressing firmware ..."
+		local ext
+		local compressor
+
+		if use compress-xz; then
+			ext=xz
+			compressor="xz -T1 -C crc32"
+		elif use compress-zstd; then
+			ext=zst
+			compressor="zstd -15 -T1 -C -q --rm"
+		fi
+		find . -type f -print0 | \
+			xargs -0 -P $(makeopts_jobs) -I'{}' ${compressor} '{}'
+    assert
+		popd &>/dev/null || die
+	fi
+	dodoc DEVICES.md README.md
+}
diff --git a/sys-firmware/broadcom-bt-firmware/metadata.xml b/sys-firmware/broadcom-bt-firmware/metadata.xml
index 3a69026d5f46..1d4e71fe4818 100644
--- a/sys-firmware/broadcom-bt-firmware/metadata.xml
+++ b/sys-firmware/broadcom-bt-firmware/metadata.xml
@@ -12,4 +12,8 @@
 	<upstream>
 		<remote-id type="github">winterheart/broadcom-bt-firmware</remote-id>
 	</upstream>
+<use>
+	<flag name="compress-xz">Compress firmware using xz (<pkg>app-arch/xz-utils</pkg>) before installation</flag>
+	<flag name="compress-zstd">Compress firmware using zstd (<pkg>app-arch/zstd</pkg>) before installation</flag>
+</use>
 </pkgmetadata>
-- 
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