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