refactor: complete rewrite

modules/nixos/hardware/features/audio.nix

@@ -0,0 +1,70 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (builtins) elem;
+  inherit (lib) mkIf;
+  inherit (config.ooknet.hardware) features;
+in {
+  # generic audio configuration
+  config = mkIf (elem "audio" features) {
+    hardware.pulseaudio.enable = false;
+    services = {
+      pipewire = {
+        enable = true;
+        audio.enable = true;
+        alsa = {
+          enable = true;
+          support32Bit = true;
+        };
+        pulse.enable = true;
+        jack.enable = true;
+        wireplumber.enable = true;
+      };
+
+      # realtime audio
+      udev.extraRules = ''
+        KERNEL=="cpu_dma_latency", GROUP="audio"
+        KERNEL=="rtc0", GROUP="audio"
+        KERNEL=="hpet", GROUP="audio"
+      '';
+    };
+
+    security = {
+      rtkit.enable = true;
+      pam.loginLimits = [
+        {
+          domain = "@audio";
+          item = "nofile";
+          type = "soft";
+          value = "99999";
+        }
+        {
+          domain = "@audio";
+          item = "nofile";
+          type = "hard";
+          value = "99999";
+        }
+        {
+          domain = "@audio";
+          item = "rtprio";
+          type = "-";
+          value = "99";
+        }
+        {
+          domain = "@audio";
+          item = "memlock";
+          type = "-";
+          value = "unlimited";
+        }
+        {
+          domain = "@audio";
+          type = "-";
+          item = "nice";
+          value = -11;
+        }
+      ];
+    };
+  };
+}

modules/nixos/hardware/features/backlight.nix

@@ -0,0 +1,13 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (config.ooknet.hardware) features;
+  inherit (lib) mkIf;
+  inherit (builtins) elem;
+in {
+  config = mkIf (elem "backlight" features) {
+    hardware.brillo.enable = true;
+  };
+}

modules/nixos/hardware/features/battery.nix

@@ -0,0 +1,44 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (builtins) elem attrValues;
+  inherit (config.ooknet.hardware) features;
+in {
+  config = mkIf (elem "battery" features) {
+    services = {
+      # cpu power usage optimizer
+      auto-cpufreq = {enable = true;};
+
+      # application interface for power management
+      upower = {
+        enable = true;
+        percentageLow = 25;
+        percentageCritical = 5;
+        percentageAction = 3;
+        criticalPowerAction = "Hibernate";
+      };
+
+      # daemon for monitoring and controlling temperature
+      thermald = {enable = true;};
+
+      # put this here because if we are enabling the battery modules
+      # we are most likely using a laptop
+      # lidSwitch defines the action to perform when the laptop lid is
+      # closed
+      logind = {lidSwitch = "suspend";};
+    };
+    boot = {
+      kernelModules = ["acpi_call"];
+      extraModulePackages = attrValues {
+        inherit (config.boot.kernelPackages) acpi_call cpupower;
+      };
+    };
+    environment.systemPackages = attrValues {
+      inherit (pkgs) acpi powertop;
+    };
+  };
+}

modules/nixos/hardware/features/bluetooth.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  pkgs,
+  self,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (builtins) elem attrValues;
+  inherit (config.ooknet.hardware) features;
+in {
+  config = mkIf (elem "bluetooth" features) {
+    hardware.bluetooth = {
+      enable = true;
+      package = pkgs.bluez5-experimental;
+    };
+
+    environment.systemPackages = attrValues {
+      #inherit (self.packages.${pkgs.system}) live-buds-cli;
+      inherit (pkgs) bluetuith;
+    };
+
+    # https://github.com/NixOS/nixpkgs/issues/114222
+    systemd.user.services.telephony_client.enable = false;
+  };
+}

modules/nixos/hardware/features/default.nix

@@ -0,0 +1,11 @@
+{
+  imports = [
+    ./video.nix
+    ./printing.nix
+    ./audio.nix
+    ./battery.nix
+    ./backlight.nix
+    ./ssd.nix
+    #    ./bluetooth.nix
+  ];
+}

modules/nixos/hardware/features/printing.nix

@@ -0,0 +1,24 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (builtins) elem;
+  inherit (config.ooknet.hardware) features;
+in {
+  config = mkIf (elem "printing" features) {
+    services = {
+      printing = {
+        enable = true;
+        drivers = [pkgs.hplip];
+      };
+      avahi = {
+        enable = true;
+        openFirewall = true;
+        nssmdns4 = true;
+      };
+    };
+  };
+}

modules/nixos/hardware/features/ssd.nix

@@ -0,0 +1,23 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (builtins) elem;
+  inherit (config.ooknet.hardware) features;
+in {
+  config = mkIf (elem "ssd" features) {
+    services.fstrim = {
+      enable = true;
+    };
+    # only run fstrim while connected on AC
+    systemd.services.fstrim = {
+      unitConfig.ConditionACPower = true;
+      serviceConfig = {
+        Nice = 19;
+        IOSchedulingClass = "idle";
+      };
+    };
+  };
+}

modules/nixos/hardware/features/video.nix

@@ -0,0 +1,19 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (builtins) elem;
+  inherit (config.ooknet.hardware) features;
+in {
+  config = mkIf (elem "video" features) {
+    hardware = {
+      graphics = {
+        enable = true;
+        enable32Bit = true;
+      };
+    };
+  };
+}