feat: add bluetooth profile

examples/nixos/layouts.nix

@@ -13,6 +13,10 @@ in
     # self.nixosProfiles.default.presets.boot
     outputs.nixosModules.default.programs.git
 
+    # outputs.nixosModules.default.hardware.bluetooth
+    # load a suite profile from audio
+    # (outputs.nixosProfiles.default.audio {}).default
+
     # # --custom profiles
     outputs.nixosProfiles.customProfiles.presets.nix
     outputs.nixosProfiles.customProfiles.presets.boot

nixos/nixosModules/hardware/bluetooth.nix

@@ -0,0 +1,5 @@
+{
+  options.__profiles__ = with lib; {
+    desktop = mkEnableOption (lib.mdDoc "Whether to enable desktop profile");
+  };
+}

nixos/nixosProfiles/audio.nix

@@ -0,0 +1,9 @@
+let
+  inherit (root) presets;
+in
+{
+  default = [
+    pipewire
+    bluetooth
+  ];
+}

nixos/nixosProfiles/presets/bluetooth.nix

@@ -0,0 +1,28 @@
+{
+  imports = [ omnibus.nixosModules.hardware.bluetooth ];
+
+  services.blueman.enable = true;
+
+  environment.systemPackages =
+    with pkgs;
+    (lib.optionals config.hardware.bluetooth.__profiles__.desktop [
+      lxqt.pavucontrol-qt
+    ]);
+
+  hardware.bluetooth = {
+    package = pkgs.bluez5-experimental;
+    enable = true;
+    powerOnBoot = true;
+  };
+
+  environment = lib.mkIf config.hardware.bluetooth.enable {
+    etc."wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
+      bluez_monitor.properties = {
+        ["bluez5.enable-sbc-xq"] = true,
+        ["bluez5.enable-msbc"] = true,
+        ["bluez5.enable-hw-volume"] = true,
+        ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
+      }
+    '';
+  };
+}

nixos/nixosProfiles/presets/pipewire.nix

@@ -0,0 +1,10 @@
+{
+  security.rtkit.enable = lib.mkDefault config.services.pipewire.enable;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    wireplumber.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+}