started migration to snowfall

_modules/system/system/audio.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+let
+  inherit (lib.attrsets) attrValues;
+  inherit (lib.modules) mkIf;
+
+  cfg = config.modules.system.audio;
+in
+{
+  options.modules.system.audio = let
+    inherit (lib.options) mkEnableOption;
+  in
+  {
+    enable = mkEnableOption "modern audio support";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      # easyeffects
+      sof-firmware
+    ];
+
+    security.rtkit.enable = true;
+
+    services.pulseaudio.enable = false;
+    services.pipewire = {
+      enable = true;
+      wireplumber.enable = true;
+      pulse.enable = true;
+
+      alsa = {
+        enable = true;
+        support32Bit = true;
+      };
+    };
+  };
+}

_modules/system/system/bluetooth.nix

@@ -0,0 +1,30 @@
+{ config, lib, ... }:
+let
+  inherit (lib.modules) mkIf;
+  inherit (lib.options) mkEnableOption;
+
+  cfg = config.modules.system.bluetooth;
+in
+{
+  options.modules.system.bluetooth = {
+    enable = mkEnableOption "enable bluetooth";
+  };
+
+  config = mkIf cfg.enable {
+    hardware = {
+        bluetooth = {
+            enable = true;
+            powerOnBoot = true;
+        };
+    };
+
+    services.pipewire.wireplumber.extraConfig.bluetoothEnhancements = {
+      "monitor.bluez.properties" = {
+        "bluez5.enable-sbc-xq" = true;
+        "bluez5.enable-msbc" = true;
+        "bluez5.enable-hw-volume" = true;
+        "bluez5.roles" = [ "hsp_hs" "hsp_ag" "hfp_hf" "hfp_ag" ];
+      };
+    };
+  };
+}