nixos/modules/hardware/default.nix

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inputs:
{
imports = inputs.localLib.findModules ./.;
options.nixos.hardware =
let
inherit (inputs.lib) mkOption types;
default = if inputs.config.nixos.system.gui.enable then {} else null;
in
{
bluetooth = mkOption { type = types.nullOr (types.submodule {}); inherit default; };
joystick = mkOption { type = types.nullOr (types.submodule {}); inherit default; };
printer = mkOption { type = types.nullOr (types.submodule {}); inherit default; };
sound = mkOption { type = types.nullOr (types.submodule {}); inherit default; };
cpus = mkOption { type = types.listOf (types.enum [ "intel" "amd" ]); default = []; };
};
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config = let inherit (inputs.config.nixos) hardware; in inputs.lib.mkMerge
[
# bluetooth
(inputs.lib.mkIf (hardware.bluetooth != null) { hardware.bluetooth.enable = true; })
# joystick
(inputs.lib.mkIf (hardware.joystick != null) { hardware = { xone.enable = true; xpadneo.enable = true; }; })
# printer
(
inputs.lib.mkIf (hardware.printer != null)
{
services =
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{
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printing =
{
enable = true;
drivers = inputs.lib.mkIf (inputs.config.nixos.system.nixpkgs.arch == "x86_64") [ inputs.pkgs.cnijfilter2 ];
};
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avahi = { enable = true; nssmdns = true; openFirewall = true; };
};
}
)
# sound
(
inputs.lib.mkIf (hardware.sound != null)
{
hardware.pulseaudio.enable = false;
services.pipewire = { enable = true; alsa = { enable = true; support32Bit = true; }; pulse.enable = true; };
sound.enable = true;
security.rtkit.enable = true;
}
)
# cpus
(
inputs.lib.mkIf (hardware.cpus != [])
{
hardware.cpu = builtins.listToAttrs
(map (name: { inherit name; value = { updateMicrocode = true; }; }) hardware.cpus);
boot.initrd.availableKernelModules =
let
modules =
{
intel =
[
"intel_cstate" "aesni_intel" "intel_cstate" "intel_uncore" "intel_uncore_frequency" "intel_powerclamp"
];
amd = [];
};
in
builtins.concatLists (map (cpu: modules.${cpu}) hardware.cpus);
}
)
];
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}