Hardware stuffies

modules/nixos/hardware/gpu/default.nix

@@ -0,0 +1,20 @@
+{lib, ...}: let
+  inherit (lib) mkOption types;
+in {
+  imports = [
+    ./amd.nix
+    ./novideo.nix
+  ];
+
+  options.olympus.device.gpu = mkOption {
+    type = types.nullOr (
+      types.enum [
+        "amd"
+        "nvidia"
+        "hybrid-nv"
+      ]
+    );
+    default = null;
+    description = "GPU brand";
+  };
+}