From e9b167bef4a76d0d5ae262e19d79fee360b8ebd5 Mon Sep 17 00:00:00 2001
From: Evan Stoll <evanjsx@gmail.com>
Date: Wed, 28 Aug 2019 21:17:25 -0400
Subject: [PATCH] nixos/hardware/openrazer: init at 2.6.0

---
 nixos/modules/hardware/openrazer.nix | 133 +++++++++++++++++++++++++++
 nixos/modules/module-list.nix        |   1 +
 2 files changed, 134 insertions(+)
 create mode 100644 nixos/modules/hardware/openrazer.nix

diff --git a/nixos/modules/hardware/openrazer.nix b/nixos/modules/hardware/openrazer.nix
new file mode 100644
index 00000000000..883db7f2f4f
--- /dev/null
+++ b/nixos/modules/hardware/openrazer.nix
@@ -0,0 +1,133 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.hardware.openrazer;
+  kernelPackages = config.boot.kernelPackages;
+
+  toPyBoolStr = b: if b then "True" else "False";
+
+  daemonExe = "${pkgs.openrazer-daemon}/bin/openrazer-daemon --config ${daemonConfFile}";
+
+  daemonConfFile = pkgs.writeTextFile {
+    name = "razer.conf";
+    text = ''
+      [General]
+      verbose_logging = ${toPyBoolStr cfg.verboseLogging}
+
+      [Startup]
+      sync_effects_enabled = ${toPyBoolStr cfg.syncEffectsEnabled}
+      devices_off_on_screensaver = ${toPyBoolStr cfg.devicesOffOnScreensaver}
+      mouse_battery_notifier = ${toPyBoolStr cfg.mouseBatteryNotifier}
+
+      [Statistics]
+      key_statistics = ${toPyBoolStr cfg.keyStatistics}
+    '';
+  };
+
+  dbusServiceFile = pkgs.writeTextFile rec {
+    name = "org.razer.service";
+    destination = "/share/dbus-1/services/${name}";
+    text = ''
+      [D-BUS Service]
+      Name=org.razer
+      Exec=${daemonExe}
+      SystemdService=openrazer-daemon.service
+    '';
+  };
+
+  drivers = [
+    "razerkbd"
+    "razermouse"
+    "razerfirefly"
+    "razerkraken"
+    "razermug"
+    "razercore"
+  ];
+in
+{
+  options = {
+    hardware.openrazer = {
+      enable = mkEnableOption "OpenRazer drivers and userspace daemon.";
+
+      verboseLogging = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable verbose logging. Logs debug messages.
+        '';
+      };
+
+      syncEffectsEnabled = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Set the sync effects flag to true so any assignment of
+          effects will work across devices.
+        '';
+      };
+
+      devicesOffOnScreensaver = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Turn off the devices when the systems screensaver kicks in.
+        '';
+      };
+
+      mouseBatteryNotifier = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Mouse battery notifier.
+        '';
+      };
+
+      keyStatistics = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Collects number of keypresses per hour per key used to
+          generate a heatmap.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    boot.extraModulePackages = [ kernelPackages.openrazer ];
+    boot.kernelModules = drivers;
+
+    # Makes the man pages available so you can succesfully run
+    # > systemctl --user help openrazer-daemon
+    environment.systemPackages = [ pkgs.python3Packages.openrazer-daemon.man ];
+
+    services.udev.packages = [ kernelPackages.openrazer ];
+    services.dbus.packages = [ dbusServiceFile ];
+
+    # A user must be a member of the plugdev group in order to start
+    # the openrazer-daemon. Therefore we make sure that the plugdev
+    # group exists.
+    users.groups.plugdev = {};
+
+    systemd.user.services.openrazer-daemon = {
+      description = "Daemon to manage razer devices in userspace";
+      unitConfig.Documentation = "man:openrazer-daemon(8)";
+        # Requires a graphical session so the daemon knows when the screensaver
+        # starts. See the 'devicesOffOnScreensaver' option.
+        wantedBy = [ "graphical-session.target" ];
+        partOf = [ "graphical-session.target" ];
+        serviceConfig = {
+          Type = "dbus";
+          BusName = "org.razer";
+          ExecStart = "${daemonExe} --foreground";
+          Restart = "always";
+      };
+    };
+  };
+
+  meta = {
+    maintainers = with lib.maintainers; [ roelvandijk ];
+  };
+}
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 22fd5d7609d..b3331f4a63d 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -58,6 +58,7 @@
   ./hardware/network/intel-2200bg.nix
   ./hardware/nitrokey.nix
   ./hardware/opengl.nix
+  ./hardware/openrazer.nix
   ./hardware/pcmcia.nix
   ./hardware/raid/hpsa.nix
   ./hardware/steam-hardware.nix