add fan support for artemis

modules/hardware/default.nix

@@ -6,5 +6,6 @@
     ./wifi.nix
     ./fingerprint.nix
     ./keyd.nix
+    ./fans.nix
   ];
 }

modules/hardware/fans.nix

@@ -0,0 +1,38 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.horseman.hardware.fans;
+in {
+  options = {
+    horseman.hardware.fans = {
+      enable = mkEnableOption "Fan control for framework laptop";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    hardware.fw-fanctrl = {
+      enable = true;
+      config = {
+        defaultStrategy = "school";
+        strategies = {
+          "school" = {
+            movingAverageInterval = 10;
+            speedCurve = [
+              { temp = 40; speed =   0; }
+              { temp = 50; speed =  30; }
+              { temp = 65; speed =  60; }
+              { temp = 75; speed = 100; }
+            ];
+          };
+          "full".speedCurve = [
+            { temp =   0; speed = 100; }
+            { temp = 100; speed = 100; }
+          ];
+        };
+      };
+    };
+  };
+}