From e6b51a7fea50147a6148e31a7b237464ceeca943 Mon Sep 17 00:00:00 2001
From: Tibo De Peuter <tibo@depeuter.dev>
Date: Tue, 30 Sep 2025 09:30:27 +0200
Subject: [PATCH] [fprintd] Add fingerprint-scanner module

---
 nixos/flake.nix                               |  1 +
 nixos/hosts/Tibo-NixTop/default.nix           |  1 +
 nixos/modules/hardware/default.nix            |  1 +
 .../hardware/fingerprint-scanner/default.nix  | 30 +++++++++++++++++++
 4 files changed, 33 insertions(+)
 create mode 100644 nixos/modules/hardware/fingerprint-scanner/default.nix

diff --git a/nixos/flake.nix b/nixos/flake.nix
index 60e1025..fa8b125 100644
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@@ -46,6 +46,7 @@
         "steam" "steam-unwrapped" "steam-run"
         "vista-fonts"
         "intel-ocl"
+        "libfprint-2-tod1-broadcom"
       ];
     in
     utils.lib.mkFlake {
diff --git a/nixos/hosts/Tibo-NixTop/default.nix b/nixos/hosts/Tibo-NixTop/default.nix
index 5de8df4..9993e07 100644
--- a/nixos/hosts/Tibo-NixTop/default.nix
+++ b/nixos/hosts/Tibo-NixTop/default.nix
@@ -15,6 +15,7 @@
 
     hardware = {
       eid.enable = true;
+      fingerprint-scanner.enable = true;
       nvidia = {
         enable = true;
         model = "Quadro T2000";
diff --git a/nixos/modules/hardware/default.nix b/nixos/modules/hardware/default.nix
index 2d38b1e..238bcea 100644
--- a/nixos/modules/hardware/default.nix
+++ b/nixos/modules/hardware/default.nix
@@ -1,6 +1,7 @@
 {
   imports = [
     ./eid
+    ./fingerprint-scanner
     ./nvidia
     ./yubikey
   ];
diff --git a/nixos/modules/hardware/fingerprint-scanner/default.nix b/nixos/modules/hardware/fingerprint-scanner/default.nix
new file mode 100644
index 0000000..b7580c6
--- /dev/null
+++ b/nixos/modules/hardware/fingerprint-scanner/default.nix
@@ -0,0 +1,30 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.sisyphus.hardware.fingerprint-scanner;
+in {
+  options.sisyphus.hardware.fingerprint-scanner.enable = lib.mkEnableOption "Fingerprint scanner support";
+
+  config = lib.mkIf cfg.enable {
+    # Enable driver
+    services.fprintd = {
+      enable = true;
+
+      # Enable Touch OEM Drivers library support
+      tod = {
+        enable = true;
+        # Dell drivers
+        driver = pkgs.libfprint-2-tod1-broadcom;
+      };
+    };
+
+    # Start driver at boot
+    systemd.services.fprintd = {
+      wantedBy = [
+        "multi-user.target"
+      ];
+      serviceConfig.Type = "simple";
+    };
+  };
+}
+