infra/nix/os/devices/steveej-t14/hw.nix

{...}: let
  stage1Modules = [
    "aesni_intel"
    "kvm_amd"
    "nvme"
    "nvme_core"

    "thunderbolt"
    "e1000e"
  ];
in {
  # TASK: new device
  hardware.opinionatedDisk = {
    enable = true;
    encrypted = true;
    diskId = "nvme-WD_BLACK_SN850X_4000GB_2227DT443901";
  };

  # see https://linrunner.de/tlp/
  services.tlp = {
    enable = true;
    settings = {
      CPU_DRIVER_OPMODE_ON_AC = "active";
      CPU_DRIVER_OPMODE_ON_BAT = "passive";

      CPU_SCALING_GOVERNOR_ON_AC = "performance";
      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";

      CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";

      CPU_BOOST_ON_AC = "0";
      CPU_BOOST_ON_BAT = "0";

      RADEON_DPM_PERF_LEVEL_ON_AC = "low";
      RADEON_DPM_PERF_LEVEL_ON_BAT = "low";
      RADEON_POWER_PROFILE_ON_AC = "low";
      RADEON_POWER_PROFILE_ON_BAT = "low";
      RADEON_DPM_STATE_ON_AC = "battery";
      RADEON_DPM_STATE_ON_BAT = "battery";

      # SOUND_POWER_SAVE_ON_AC="1";
      SOUND_POWER_SAVE_ON_BAT = "1";

      PLATFORM_PROFILE_ON_AC = "performance";
      PLATFORM_PROFILE_ON_BAT = "low-power";

      RUNTIME_PM_ON_AC = "on";
      RUNTIME_PM_ON_BAT = "auto";

      PCIE_ASPM_ON_AC = "default";
      PCIE_ASPM_ON_BAT = "powersupersave";

      START_CHARGE_THRESH_BAT0 = "80";
      STOP_CHARGE_THRESH_BAT0 = "85";

      WOL_DISABLE = "Y";
      # WIFI_PWR_ON_AC="on";
      # WIFI_PWR_ON_BAT = "on";
      DEVICES_TO_DISABLE_ON_STARTUP = "wwan";
      # #DEVICES_TO_DISABLE_ON_LAN_CONNECT="wifi wwan";
      # #DEVICES_TO_DISABLE_ON_WIFI_CONNECT="wwan";
      # #DEVICES_TO_DISABLE_ON_WWAN_CONNECT="wifi";

      SATA_LINKPWR_ON_AC = "maax_performance";
      SATA_LINKPWR_ON_BAT = "min_power";
    };
  };

  # see https://www.kernel.org/doc/html/v6.6/admin-guide/laptops/thinkpad-acpi.html#fan-control-and-monitoring-fan-speed-fan-enable-disable
  services.thinkfan = {
    enable = true;
    levels = [
      # ["level auto" 0 60]
      [0 0 60]
      [1 60 65]
      [1 65 75]
      [2 75 78]
      [3 78 80]
      [4 80 82]
      [5 82 84]
      [6 84 86]
      [7 86 88]
      ["level full-speed" 88 999]
    ];

    extraArgs = [
      "-b-3"
      "-s1"
    ];
  };

  # boot.initrd.availableKernelModules = stage1Modules;
  boot.initrd.kernelModules = stage1Modules;
}