depot/third_party/nixpkgs/pkgs/os-specific/linux/firmware/raspberrypi-wireless/default.nix

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{ lib, stdenvNoCC, fetchFromGitHub }:
stdenvNoCC.mkDerivation {
pname = "raspberrypi-wireless-firmware";
version = "2022-07-06";
srcs = [
(fetchFromGitHub {
name = "bluez-firmware";
owner = "RPi-Distro";
repo = "bluez-firmware";
rev = "dd840d991939f5046959b8c564596c7228f9d41d";
hash = "sha512-XvF6IHDoKBJkSs0Wyt8O1vcCMpSNS9WSYopn0+EyCr4btABGsHWTkgxb4nQbd+VbE6Ls2dcKr+c+X6aw/y1jhQ==";
})
(fetchFromGitHub {
name = "firmware-nonfree";
owner = "RPi-Distro";
repo = "firmware-nonfree";
rev = "541e5a05d152e7e6f0d9be45622e4a3741e51c02";
hash = "sha512-0erVWiFom0V5AMu+XlolJnY9Q5/RCFlZwUovMBMNdEPb+L5rHcCdrA7zehDX1oRNe8DPb4S5gjny0iG/G7G6NQ==";
})
];
sourceRoot = ".";
dontBuild = true;
# Firmware blobs do not need fixing and should not be modified
dontFixup = true;
installPhase = ''
runHook preInstall
mkdir -p "$out/lib/firmware/brcm"
# Wifi firmware
cp -rv "$NIX_BUILD_TOP/firmware-nonfree/debian/config/brcm80211/." "$out/lib/firmware/"
# Bluetooth firmware
cp -rv "$NIX_BUILD_TOP/bluez-firmware/broadcom/." "$out/lib/firmware/brcm"
# CM4 symlink must be added since it's missing from upstream
pushd $out/lib/firmware/brcm &>/dev/null
ln -s "./brcmfmac43455-sdio.txt" "$out/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt"
popd &>/dev/null
runHook postInstall
'';
meta = with lib; {
description = "Firmware for builtin Wifi/Bluetooth devices in the Raspberry Pi 3+ and Zero W";
homepage = "https://github.com/RPi-Distro/firmware-nonfree";
license = licenses.unfreeRedistributableFirmware;
platforms = platforms.linux;
maintainers = with maintainers; [ lopsided98 ];
};
}