{ pkgs, ... }:

let swapPart = "/dev/sda2";
in
{
  boot.initrd.availableKernelModules = [];
  boot.initrd.kernelModules = [];
  boot.kernelModules = [
    "kvm-intel"
    "uinput"  # work around rules bug
    "iwlwifi"
  ];
  boot.extraModulePackages = [];
  boot.resumeDevice = swapPart;

  boot.loader.grub.enable = true;
  boot.loader.grub.device = "/dev/sda";

  fileSystems."/" = {
    device = "/dev/sda1";
    fsType = "ext4";
  };

  fileSystems."/home" = {
    device = "/dev/sda3";
    fsType = "ext4";
  };

  swapDevices = [
    { device = swapPart; }
  ];

  hardware.graphics.extraPackages = [pkgs.intel-vaapi-driver];
  services.xserver.videoDrivers = ["intel"];

  services.xserver.xrandrHeads = [{
    output = "LVDS1";
    monitorConfig = "DisplaySize 280 160";
  }];

  this.bluetooth.enable = true;

  hardware.firmware = with pkgs; [
    linux-firmware
    broadcom-bt-firmware
  ];
  this.unfree.allowed = ["broadcom-bt-firmware"];

  services.tlp.settings = {
    START_CHARGE_THRESH_BAT0 = 50;
    STOP_CHARGE_THRESH_BAT0 = 60;

    WOL_DISABLE = "N";
    MEM_SLEEP_ON_BAT = "deep";

    CPU_BOOST_ON_AC = 1;
    CPU_BOOST_ON_BAT = 0;
    CPU_ENERGY_PERF_POLICY_ON_BAT = "power";

    MAX_LOST_WORK_SECS_ON_AC = 30;
  };

  nixpkgs.hostPlatform = "x86_64-linux";
}