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-rw-r--r--nixos/modules/hardware/system-76.nix85
1 files changed, 85 insertions, 0 deletions
diff --git a/nixos/modules/hardware/system-76.nix b/nixos/modules/hardware/system-76.nix
new file mode 100644
index 00000000000..d4896541dba
--- /dev/null
+++ b/nixos/modules/hardware/system-76.nix
@@ -0,0 +1,85 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkOption mkEnableOption types mkIf mkMerge optional versionOlder;
+  cfg = config.hardware.system76;
+
+  kpkgs = config.boot.kernelPackages;
+  modules = [ "system76" "system76-io" ] ++ (optional (versionOlder kpkgs.kernel.version "5.5") "system76-acpi");
+  modulePackages = map (m: kpkgs.${m}) modules;
+  moduleConfig = mkIf cfg.kernel-modules.enable {
+    boot.extraModulePackages = modulePackages;
+
+    boot.kernelModules = modules;
+
+    services.udev.packages = modulePackages;
+  };
+
+  firmware-pkg = pkgs.system76-firmware;
+  firmwareConfig = mkIf cfg.firmware-daemon.enable {
+    # Make system76-firmware-cli usable by root from the command line.
+    environment.systemPackages = [ firmware-pkg ];
+
+    services.dbus.packages = [ firmware-pkg ];
+
+    systemd.services.system76-firmware-daemon = {
+      description = "The System76 Firmware Daemon";
+
+      serviceConfig = {
+        ExecStart = "${firmware-pkg}/bin/system76-firmware-daemon";
+
+        Restart = "on-failure";
+      };
+
+      wantedBy = [ "multi-user.target" ];
+    };
+  };
+
+  power-pkg = config.boot.kernelPackages.system76-power;
+  powerConfig = mkIf cfg.power-daemon.enable {
+    # Make system76-power usable by root from the command line.
+    environment.systemPackages = [ power-pkg ];
+
+    services.dbus.packages = [ power-pkg ];
+
+    systemd.services.system76-power = {
+      description = "System76 Power Daemon";
+      serviceConfig = {
+        ExecStart = "${power-pkg}/bin/system76-power daemon";
+        Restart = "on-failure";
+        Type = "dbus";
+        BusName = "com.system76.PowerDaemon";
+      };
+      wantedBy = [ "multi-user.target" ];
+    };
+  };
+in {
+  options = {
+    hardware.system76 = {
+      enableAll = mkEnableOption "all recommended configuration for system76 systems";
+
+      firmware-daemon.enable = mkOption {
+        default = cfg.enableAll;
+        example = true;
+        description = "Whether to enable the system76 firmware daemon";
+        type = types.bool;
+      };
+
+      kernel-modules.enable = mkOption {
+        default = cfg.enableAll;
+        example = true;
+        description = "Whether to make the system76 out-of-tree kernel modules available";
+        type = types.bool;
+      };
+
+      power-daemon.enable = mkOption {
+        default = cfg.enableAll;
+        example = true;
+        description = "Whether to enable the system76 power daemon";
+        type = types.bool;
+      };
+    };
+  };
+
+  config = mkMerge [ moduleConfig firmwareConfig powerConfig ];
+}