path: root/nixos/hardware.nix

{
  inputs,
  config,
  lib,
  pkgs,
  ...
}: {
  imports = [
    inputs.hardware.nixosModules.common-cpu-amd
    inputs.hardware.nixosModules.common-cpu-amd-pstate
    inputs.hardware.nixosModules.common-gpu-amd
    inputs.hardware.nixosModules.common-pc-laptop
    inputs.hardware.nixosModules.common-pc-laptop-acpi_call
    inputs.hardware.nixosModules.common-pc-laptop-ssd
  ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  hardware.enableRedistributableFirmware = lib.mkDefault true;
  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "thunderbolt" "usb_storage" "sd_mod"];
  boot.initrd.kernelModules = ["synaptics_usb"];
  boot.kernelModules = ["kvm-amd"];
  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.extraModulePackages = [];

  # disable Scatter/Gather APU recently enabled by default,
  # which results in white screen after display reconfiguration
  boot.kernelParams = [
    "amdgpu.sg_display=0"
    "amd_pstate=active"
  ];

  fileSystems."/" = {
    device = "none";
    fsType = "tmpfs";
    options = ["defaults" "size=8G" "mode=755"];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-partlabel/disk-main-ESP";
    fsType = "vfat";
    options = ["fmask=0022" "dmask=0022"];
  };

  boot.initrd.luks.devices."crypted".device = "/dev/disk/by-partlabel/disk-main-luks";

  fileSystems."/nix" = {
    device = "/dev/mapper/crypted";
    fsType = "btrfs";
    options = ["subvol=nix" "compress=zstd" "noatime"];
  };

  fileSystems."/persist" = {
    device = "/dev/mapper/crypted";
    fsType = "btrfs";
    options = ["subvol=persist" "compress=zstd" "noatime"];
    neededForBoot = true;
  };

  fileSystems."/swap" = {
    device = "/dev/mapper/crypted";
    fsType = "btrfs";
    options = ["subvol=swap" "noatime"];
  };

  fileSystems."/tmp" = {
    device = "/dev/mapper/crypted";
    fsType = "btrfs";
    options = ["subvol=tmp" "noatime"];
  };

  fileSystems."/var/log" = {
    device = "/dev/mapper/crypted";
    fsType = "btrfs";
    options = ["subvol=log" "compress=zstd" "noatime"];
    neededForBoot = true;
  };

  boot.tmp.cleanOnBoot = true;
  swapDevices = [{device = "/swap/swapfile";}];

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlp1s0.useDHCP = lib.mkDefault true;

  services.xserver = {
    videoDrivers = ["amdgpu"];
  };

  # sound = {
  #   enable = lib.mkForce false;
  #   mediaKeys.enable = true;
  # };

  # hardware.pulseaudio = {
  #   enable = true;
  #   support32Bit = true;
  # };

  # Fingerprint
  services.fprintd = {
    enable = true;
  };
  systemd.services.fprintd = {
    wantedBy = ["multi-user.target"];
    serviceConfig.Type = "simple";
  };

  # Bluetooth
  hardware.bluetooth = {
    enable = true;
    powerOnBoot = true;
  };

  services.printing = {
    enable = true;
    drivers = [pkgs.hplip];
  };

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}