nixos config

modules/drivers.nix

@@ -0,0 +1,48 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # Enable graphics driver support and 32-bit acceleration (for Steam/gaming)
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+  };
+
+  #OpenTabletDriver
+  hardware.opentabletdriver.enable = true;
+  hardware.uinput.enable = true;
+  boot.kernelModules = [ "uinput" "v4l2loopback" ];
+
+  # Virtual webcam device so ffmpeg (fed by the GoPro's stream) can appear
+  # as a normal camera to apps like Discord. exclusive_caps=1 is required
+  # for Chromium/WebRTC-based apps to recognize it as a real capture device.
+  boot.extraModulePackages = [ config.boot.kernelPackages.v4l2loopback ];
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=10 card_label="GoPro Webcam" exclusive_caps=1
+    # PS4/PS5 controllers (e.g. DualSense) connect over Bluetooth then
+    # immediately disconnect — a well-known Linux Bluetooth stack issue
+    # where many adapters' Enhanced Retransmission Mode implementation is
+    # broken. Disabling ERTM is the standard, widely-documented fix.
+    options bluetooth disable_ertm=1
+  '';
+
+  # I2C bus, for DDC/CI monitor control (brightness) via ddcutil — this
+  # machine has no laptop backlight, only external DisplayPort monitors.
+  hardware.i2c.enable = true;
+
+  # Load NVIDIA driver for X11 and Wayland
+  services.xserver.videoDrivers = [ "nvidia" ];
+
+  hardware.nvidia = {
+    # Required settings
+    modesetting.enable = true;
+
+    # Enable NVIDIA Open GPU Kernel Modules (Turing architecture or newer)
+    open = true;
+
+    # Enable the NVIDIA settings menu
+    nvidiaSettings = true;
+
+    # Use the stable driver package matching current kernel
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+}