nix-configuration/hosts/Khanda/hardware-configuration.nix

# Surface Pro 9
{
  config,
  lib,
  pkgs,
  modulesPath,
  ...
}:
{
  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];

  # Format and configure the disk using Disko
  host.base.disko = {
    enable = false;
    primaryDisk = "nvme0n1";
    enableTPM = true;
    swapFile = {
      enable = true;
      size = "16G";
    };
  };

  boot = {
    initrd = {
      # Enable systemd for TPM auto-unlocking
      systemd.enable = true;

      availableKernelModules = [
        "surface_aggregator"
        "surface_aggregator_registry"
        "surface_aggregator_hub"
        "surface_hid_core"
        "hid_multitouch"
        "8250_dw"
        "intel_lpss"
        "intel_lpss_pci"
        "tpm_crb"
        "xhci_pci"
        "thunderbolt"
        "nvme"
        "usb_storage"
        "sd_mod"
        "surface_kbd"
        "pinctrl_tigerlake"
      ];
      kernelModules = [
        "tpm_crb"
        "surface_aggregator"
        "surface_aggregator_registry"
        "surface_aggregator_hub"
        "surface_hid_core"
        "surface_hid"
        "hid_multitouch"
        "8250_dw"
        "intel_lpss"
        "intel_lpss_pci"
        "surface_kbd"
        "pinctrl_tigerlake"
      ];
    };

    kernelModules = [
      "kvm-intel"
      "tpm_crb"
      "surface_aggregator"
      "surface_aggregator_registry"
      "surface_aggregator_hub"
      "surface_hid_core"
      "surface_hid"
      "hid_multitouch"
      "8250_dw"
      "intel_lpss"
      "intel_lpss_pci"
      "surface_kbd"
      "pinctrl_tigerlake"
    ];
    extraModulePackages = [ ];
  };

  networking = {
    useDHCP = lib.mkDefault true;
    hostName = "Khanda";
  };

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

  # Install/configure additional drivers, particularly for touch
  environment.systemPackages = with pkgs; [ libwacom-surface ];
  microsoft-surface = {
    ipts.enable = true;
    surface-control.enable = true;
  };

  # Uncomment this to use the default kernel and skip rebuilding the kernel
  # boot.kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
}