nixpkgs/pkgs/os-specific/linux/firmware/broadcom-bt-firmware/default.nix
2020-04-10 17:54:53 +01:00

47 lines
1.6 KiB
Nix

{ stdenv, fetchurl, cabextract, bt-fw-converter }:
# Kernels between 4.2 and 4.7 will not work with
# this packages as they expect the firmware to be named "BCM.hcd"
# see: https://github.com/NixOS/nixpkgs/pull/25478#issuecomment-299034865
stdenv.mkDerivation rec {
pname = "broadcom-bt-firmware";
version = "12.0.1.1012";
src = fetchurl {
url = "http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2017/04/852bb503-de7b-4810-a7dd-cbab62742f09_7cf83a4c194116648d17707ae37d564f9c70bec2.cab";
sha256 = "1b1qjwxjk4y91l3iz157kms8601n0mmiik32cs6w9b1q4sl4pxx9";
};
nativeBuildInputs = [ cabextract bt-fw-converter ];
unpackCmd = ''
mkdir -p ${pname}-${version}
cabextract $src --directory ${pname}-${version}
'';
installPhase = ''
mkdir -p $out/lib/firmware/brcm
bt-fw-converter -f bcbtums.inf -o $out/lib/firmware/brcm
for filename in $out/lib/firmware/brcm/*.hcd
do
linkname=$(basename $filename | awk 'match($0,/^(BCM)[0-9A-Z]+(-[0-9a-z]{4}-[0-9a-z]{4}\.hcd)$/,c) { print c[1]c[2] }')
if ! [ -z $linkname ]
then
ln -s --relative -T $filename $out/lib/firmware/brcm/$linkname
fi
done
'';
outputHashMode = "recursive";
outputHashAlgo = "sha256";
outputHash = "042frb2dmrqfj8q83h5p769q6hg2b3i8fgnyvs9r9a71z7pbsagq";
meta = with stdenv.lib; {
description = "Firmware for Broadcom WIDCOMM® Bluetooth devices";
homepage = "http://www.catalog.update.microsoft.com/Search.aspx?q=Broadcom+bluetooth";
license = licenses.unfree;
platforms = platforms.linux;
maintainers = with maintainers; [ zraexy ];
};
}