feat(modules): hardware modules — intel/amd/nvidia/audio/bluetooth/touchpad

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

modules/hardware/amd.nix

@@ -0,0 +1,41 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  inherit (lib) mkEnableOption mkIf;
+in
+{
+  options.hardware.amd.enable = mkEnableOption "AMD graphics support";
+
+  config = mkIf config.hardware.amd.enable {
+    # AMD driver configuration
+    services.xserver.videoDrivers = [ "amdgpu" ];
+
+    # Enable AMD GPU support
+    boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # AMD specific packages
+    environment.systemPackages = with pkgs; [
+      radeontop
+      nvtopPackages.amd
+    ];
+
+    # Graphics packages for AMD
+    hardware.graphics.extraPackages = with pkgs; [
+      amdvlk
+      rocm-opencl-icd
+      rocm-opencl-runtime
+    ];
+
+    hardware.graphics.extraPackages32 = with pkgs.pkgsi686Linux; [
+      driversi686Linux.amdvlk
+    ];
+
+    # AMD GPU firmware
+    hardware.enableRedistributableFirmware = true;
+  };
+}