From 8c976e97e2cac4ea4458ef104ce0c3c140fb3371 Mon Sep 17 00:00:00 2001
From: Dashie <fabio.lenherr@gmail.com>
Date: Fri, 9 May 2025 23:27:54 +0200
Subject: [PATCH] Add fancontrol (#16)

---
 flake.nix                       |  3 +++
 lib/default.nix                 |  1 +
 modules/programs/default.nix    |  1 +
 modules/programs/fancontrol.nix | 36 +++++++++++++++++++++++++++++++++
 4 files changed, 41 insertions(+)
 create mode 100644 modules/programs/fancontrol.nix

diff --git a/flake.nix b/flake.nix
index e7e7c44..bbddc3a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,6 +32,9 @@
 
     zen-browser.url = "github:youwen5/zen-browser-flake";
 
+    # TODO move to upstream repository after merged nix flake pr
+    fancontrol.url = "git+https://github.com/DashieTM/fancontrol-gui?ref=nix-flake";
+
     stylix.url = "github:danth/stylix";
     base16.url = "github:SenchoPens/base16.nix";
     disko.url = "github:nix-community/disko/latest";
diff --git a/lib/default.nix b/lib/default.nix
index 9e0d75a..3ee4fc8 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -66,6 +66,7 @@
         inputs.reset.homeManagerModules.default
         inputs.sops-nix.homeManagerModules.sops
         inputs.dashvim.homeManagerModules.dashvim
+        inputs.fancontrol.homeManagerModules.default
         ../modules
       ];
     },
diff --git a/modules/programs/default.nix b/modules/programs/default.nix
index f454717..17be977 100644
--- a/modules/programs/default.nix
+++ b/modules/programs/default.nix
@@ -7,6 +7,7 @@
     ./coding.nix
     ./containers.nix
     ./drives.nix
+    ./fancontrol.nix
     ./fastfetch.nix
     ./fish.nix
     ./flatpak.nix
diff --git a/modules/programs/fancontrol.nix b/modules/programs/fancontrol.nix
new file mode 100644
index 0000000..87be9af
--- /dev/null
+++ b/modules/programs/fancontrol.nix
@@ -0,0 +1,36 @@
+{
+  lib,
+  config,
+  options,
+  ...
+}: {
+  options.mods.fancontrol = {
+    enable = lib.mkOption {
+      default = false;
+      example = true;
+      type = lib.types.bool;
+      description = "Enables fancontrol-gui with needed drivers";
+    };
+    forceId = lib.mkOption {
+      default = null;
+      example = "force_id=0x8628";
+      type = with lib.types; nullOr str;
+      description = "Modprobe options for the it87 driver. Information at: https://wiki.archlinux.org/title/Lm_sensors#Gigabyte_B250/Z370/B450M/B560M/B660M/Z690/B550_motherboards";
+    };
+  };
+  config = lib.mkIf config.mods.fancontrol.enable (
+    lib.optionalAttrs (options ? home.packages) {
+      programs.fancontrol-gui.enable = true;
+    }
+    // (lib.optionalAttrs (options ? boot.kernelModules) {
+      boot = {
+        kernelParams = ["acpi_enforce_resources=lax"];
+        extraModulePackages = with config.boot.kernelPackages; [liquidtux it87];
+        kernelModules = ["v4l2loopback" "it87"];
+        extraModprobeConfig = lib.mkIf (config.mods.fancontrol.forceId != null) ''
+          options it87 ${config.mods.fancontrol.forceId}
+        '';
+      };
+    })
+  );
+}