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nixos-hardware/apple/t2/default.nix

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{ pkgs, ... }:
let
audioFiles = pkgs.fetchFromGitHub {
owner = "kekrby";
repo = "t2-better-audio";
rev = "e46839a28963e2f7d364020518b9dac98236bcae";
hash = "sha256-x7K0qa++P1e1vuCGxnsFxL1d9+nwMtZUJ6Kd9e27TFs=";
};
overrideAudioFiles = package: pluginsPath:
package.overrideAttrs (new: old: {
preConfigurePhases = old.preConfigurePhases or [ ] ++ [ "postPatchPhase" ];
postPatchPhase = ''
cp -r ${audioFiles}/files/{profile-sets,paths} ${pluginsPath}/alsa/mixer/
'';
});
in
{
# For keyboard and touchbar
boot.kernelPackages = with pkgs; recurseIntoAttrs (linuxPackagesFor (callPackage ./pkgs/linux-t2.nix { }));
boot.initrd.kernelModules = [ "apple-bce" ];
# For audio
boot.kernelParams = [ "pcie_ports=compat" "intel_iommu=on" "iommu=pt" ];
services.udev.extraRules = builtins.readFile (pkgs.substitute {
src = "${audioFiles}/files/91-audio-custom.rules";
replacements = [ "--replace" "/usr/bin/sed" "${pkgs.gnused}/bin/sed" ];
});
hardware.pulseaudio.package = overrideAudioFiles pkgs.pulseaudio "src/modules/";
services.pipewire = rec {
package = overrideAudioFiles pkgs.pipewire "spa/plugins/";
wireplumber.package = pkgs.wireplumber.override {
pipewire = package;
};
};
# Make sure post-resume.service exists
powerManagement.enable = true;
systemd.services.fix-keyboard-backlight-and-touchbar = {
path = [ pkgs.kmod ];
serviceConfig.ExecStart = ''${pkgs.systemd}/bin/systemd-inhibit --what=sleep --why="fixing keyboard backlight and touchbar must finish before sleep" --mode=delay ${./fix-keyboard-backlight-and-touchbar.sh}'';
serviceConfig.Type = "oneshot";
description = "reload touchbar driver and restart upower";
# must run at boot (and not too early), and after suspend
wantedBy = [ "display-manager.service" "post-resume.target" ];
# prevent running before suspend
after = [ "post-resume.target" ];
};
}