{ pkgs, config, lib, ... }:
let
  cfg = config.grimmShared;
in
{
  config = with cfg; lib.mkIf (enable && laptop_hardware.enable) {
    environment.systemPackages = with pkgs; [
      acpi
      lm_sensors
      lshw
      pciutils
      usbutils
      powertop
      # tlpui
    ];

    services.ddccontrol.enable = true;
    powerManagement.scsiLinkPolicy = lib.mkIf (!config.services.tlp.enable) "min_power";
    hardware.i2c.enable = true;

    boot = {
      kernelParams = [
        "splash"
        "quiet"
        "intel_iommu=on"
        "iommu=force"
        "pcie_acs_override=downstream"
        "mmio_stale_data=full,nosmt"
        "pcie_aspm=off"
      ]; #  "vfio-pci.ids=10de:1aeb,10de:2191,10de:1aed,10de:1aec" ];
      kernelModules = [ "kvm-intel" "vfio_pci" "vfio_iommu_type1" "vfio" "i2c-dev" ];
    };

    services.power-profiles-daemon.enable = false;
    powerManagement.powertop.enable = true;

    services.upower.enable = true;

    services.tlp = {
      enable = true;
      settings = {
        USB_AUTOSUSPEND = 1;
        USB_EXCLUDE_BTUSB = 1;
        USB_EXCLUDE_PHONE = 1;
        SOUND_POWER_SAVE_ON_AC = 0;
        SOUND_POWER_SAVE_ON_BAT = 1;
        SATA_LINKPWR_ON_AC = "max_performance";
        SATA_LINKPWR_ON_BAT = "min_power";
        MAX_LOST_WORK_SECS_ON_BAT = 15;
        CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
        CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
        CPU_BOOST_ON_AC = 1;
        CPU_BOOST_ON_BAT = 0;
        RUNTIME_PM_ON_AC = "on";
        RUNTIME_PM_ON_BAT = "auto";
      };
    };
  };

  options.grimmShared.laptop_hardware = {
    enable = lib.mkEnableOption "grimm-laptop";
  };

}