nixos/machines/Marid/hardware-configuration.nix

{
  config,
  pkgs,
  modulesPath,
  ...
}: let
  cfg = config.machine;
in {
  imports = [(modulesPath + "/installer/scan/not-detected.nix")];

  boot = {
    loader.systemd-boot = {
      enable = true;
    };
    loader.efi.canTouchEfiVariables = true;
    tmp = {
      useTmpfs = true;
      cleanOnBoot = true;
    };

    kernelPackages = pkgs.linuxPackages_latest;
    initrd.availableKernelModules = ["nvme" "xhci_pci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc"];
    kernelModules = ["kvm-amd"];
    kernelParams = [
      # get backlight service to work part one (fixes systemd backlight service)
      "acpi_backlight=native"
    ];
    kernel.sysctl = {
      "kernel.nmi_watchdog" = 0;
      "fs.inotify.max_user_watches" = 524288;
      "vm.dirty_writeback_centisecs" = 1500;
    };
  };

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/cf8db7d5-5da7-4fb9-818d-ed5dd2815f0d";
    fsType = "ext4";
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/96E4-9DF3";
    fsType = "vfat";
  };

  hardware = {
    firmware = with pkgs; [firmwareLinuxNonfree];
    enableAllFirmware = true;
    ksm.enable = true;
    opengl = {
      driSupport = true;
      driSupport32Bit = true;
    };

    pulseaudio = {
      enable = true;
      support32Bit = true;
      package = pkgs.pulseaudioFull;
      zeroconf.discovery.enable = false;
      extraClientConf = ''
        autospawn = no
      '';
    };

    bluetooth = {
      enable = true;
      powerOnBoot = true;
    };
  };

  powerManagement = {
    enable = true;
    cpuFreqGovernor = "powersave";
  };
  services = {
    upower.enable = true;
    # Fix Backlight Part 2 (allows acpilight to modify brightness)
    udev.extraRules = ''
      ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chgrp video /sys/class/backlight/%k/brightness"
      ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chmod 664 /sys/class/backlight/%k/brightness"
    '';
  };

  time.timeZone = "Europe/Berlin";
}