From fe9b420f3049bb20eb1d7bfa0e06e125fbe90d57 Mon Sep 17 00:00:00 2001
From: Tristan Druyen <tristan@vault81.de>
Date: Fri, 11 Oct 2024 02:11:34 +0200
Subject: [PATCH] chore: Add hid-fanatecff pkg

---
 pkgs/hid-fanatecff.nix         |  57 ++++++++++++++++++
 systems/nixos-desk/default.nix | 104 +++++++++++++++++----------------
 2 files changed, 112 insertions(+), 49 deletions(-)
 create mode 100644 pkgs/hid-fanatecff.nix

diff --git a/pkgs/hid-fanatecff.nix b/pkgs/hid-fanatecff.nix
new file mode 100644
index 0000000..0bfbe75
--- /dev/null
+++ b/pkgs/hid-fanatecff.nix
@@ -0,0 +1,57 @@
+{ stdenv
+, pkgs
+, lib
+, fetchFromGitHub
+, kmod
+, kernelPackages
+, breakpointHook
+,
+}:
+let
+  kernel = kernelPackages.kernel;
+in
+stdenv.mkDerivation rec {
+  name = "hid-fanatecff-${version}-${kernel.version}";
+  version = "0.1.2";
+
+  src = fetchFromGitHub {
+    owner = "gotzl";
+    repo = "hid-fanatecff";
+    rev = version;
+    sha256 = "sha256-twDbjX0p/A18L2x7eS2hyneuQq7rLMxTBT/GfTdweAE=";
+  };
+
+  sourceRoot = "source";
+  hardeningDisable = [ "pic" "format" ];
+  nativeBuildInputs =
+    kernel.moduleBuildDependencies
+    ++ [
+      pkgs.linuxConsoleTools
+    ];
+
+  makeFlags = [
+    "KVERSION=${kernel.modDirVersion}"
+    "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+    "MODULEDIR=$(out)/lib/modules/${kernel.modDirVersion}"
+  ];
+
+  preInstallPhase = ''
+    sed -i '/fanatec.rules/d' Makefile
+    sed -i '/depmod/d' Makefile
+    mkdir -p $out/lib/modules/${kernel.modDirVersion}
+  '';
+  postPhase = ''
+    substituteInPlace fanatec.rules  --replace /usr/bin/evdev-joystick ${pkgs.linuxConsoleTools}/bin/evdev-joystick
+    mkdir -p $out/lib/udev/rules.d
+    cp fanatec.rules $out/lib/udev/rules.d/99-fanatec.rules
+  '';
+  preInstallPhases = [ "preInstallPhase" ];
+  postPhases = [ "postPhase" ];
+
+  meta = with lib; {
+    description = "A kernel module that provides support for fanatec wheels and pedals";
+    homepage = "https://github.com/gotzl/hid-fanatecff";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+  };
+}
diff --git a/systems/nixos-desk/default.nix b/systems/nixos-desk/default.nix
index 5e56504..565bba1 100644
--- a/systems/nixos-desk/default.nix
+++ b/systems/nixos-desk/default.nix
@@ -27,61 +27,67 @@
     ./disko.nix
   ];
 
-  config = {
-    system.stateVersion = "23.05";
+  config =
+    let
+      hid-fanatecff = pkgs.callPackage ../../pkgs/hid-fanatecff.nix { kernelPackages = config.boot.kernelPackages; };
+    in
+    {
+      system.stateVersion = "23.05";
 
-    nix.settings.system-features = [
-      "benchmark"
-      "big-parallel"
-      "kvm"
-      "nixos-test"
-      "gccarch-x86-64-v3"
-      "gccarch-znver2"
-    ];
-    boot = {
-      kernelPackages = pkgs.pkgsx86_64_v3.linuxPackages_cachyos;
-      loader = {
-        systemd-boot = {
-          enable = lib.mkForce false; #lanzaboote
-          configurationLimit = 16;
+      nix.settings.system-features = [
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+        "gccarch-x86-64-v3"
+        "gccarch-znver3"
+      ];
+      boot = {
+        kernelPackages = pkgs.pkgsx86_64_v3.linuxPackages_cachyos;
+        # extraModulePackages = [ hid-fanatecff ];
+        loader = {
+          systemd-boot = {
+            enable = lib.mkForce false; #lanzaboote
+            configurationLimit = 16;
+          };
+
+          efi.canTouchEfiVariables = true;
         };
 
-        efi.canTouchEfiVariables = true;
+        # TODO Extract secureboot module
+        lanzaboote = {
+          enable = true;
+          configurationLimit = 16;
+          pkiBundle = "/etc/secureboot";
+        };
+
+        initrd = {
+          availableKernelModules = [ "ahci" "nvme" "xhci_pci" "uas" "usbhid" "usb_storage" "sd_mod" ];
+          kernelModules = [ ];
+          systemd.enable = true;
+        };
       };
 
-      # TODO Extract secureboot module
-      lanzaboote = {
-        enable = true;
-        configurationLimit = 16;
-        pkiBundle = "/etc/secureboot";
+      programs.fuse.userAllowOther = true;
+      environment.systemPackages = with pkgs; [
+        lm_sensors
+        sshfs
+        coreutils-full
+        cpu-x
+        sbctl # secureboot debugging/config/mgmt
+      ];
+
+      services.btrfs.autoScrub.enable = true;
+      # services.udev.packages = [ hid-fanatecff ];
+
+      networking = {
+        hostName = "nixos-desk";
+        useDHCP = lib.mkDefault true;
+      };
+      hardware = {
+        enableRedistributableFirmware = true;
       };
 
-      initrd = {
-        availableKernelModules = [ "ahci" "nvme" "xhci_pci" "uas" "usbhid" "usb_storage" "sd_mod" ];
-        kernelModules = [ ];
-        systemd.enable = true;
-      };
-
-      extraModulePackages = [ ];
+      zramSwap.enable = true;
     };
-
-    environment.systemPackages = with pkgs; [
-      lm_sensors
-      coreutils-full
-      cpu-x
-      sbctl # secureboot debugging/config/mgmt
-    ];
-
-    services.btrfs.autoScrub.enable = true;
-
-    networking = {
-      hostName = "nixos-desk";
-      useDHCP = lib.mkDefault true;
-    };
-    hardware = {
-      enableRedistributableFirmware = true;
-    };
-
-    zramSwap.enable = true;
-  };
 }