nix-stuff/machines/WinMax2/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running `nixos-help`).
{
  config,
  pkgs,
  lib,
  ...
}: {
  # Use grub boot loader
  boot = {
    loader = {
      systemd-boot.enable = false;
      grub = {
        enable = true;
        device = "nodev";
        efiSupport = true;
        # No other OS on here :P
        useOSProber = false;
      };
      efi = {
        efiSysMountPoint = config.fileSystems."efi_boot_partition".mountPoint;
        canTouchEfiVariables = true;
      };
    };
    /*
    I use luks, and the systemd initrd works better for this
    Both for tpm unlocking (soon) and for plymouth
    */
    initrd.systemd.enable = true;
    # Plymouth doesn't support fractional scaling :(
    plymouth.extraConfig = "DeviceScale=2";

    kernelPackages = pkgs.linuxPackages_latest;
  };

  networking.hostName = "WinMax2"; # Define your hostname.

  specialisation.noAVX512.configuration = {
    # For some reason The Finals crashes on CPUs that support AVX512
    boot.kernelParams = ["clearcpuid=304"];
  };

  # Sleep fixes
  boot.kernelParams = ["rtc_cmos.use_acpi_alarm=1"];
  services.udev.extraRules = ''
    ACTION=="add", SUBSYSTEM=="i2c", ATTR{name}=="GXTP7385:00", ATTR{power/wakeup}="disabled"
    ACTION=="add", SUBSYSTEM=="i2c", ATTR{name}=="PNP0C50:00", ATTR{power/wakeup}="disabled"
  '';

  services.handheld-daemon = {
    enable = true;
    user = "toast";
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  services = {
    xserver.xkb.layout = lib.mkForce "us";
    displayManager.sddm.settings = {
      General.GreeterEnvironment = "QT_SCREEN_SCALE_FACTORS=2";
    };
  };

  jovian = {
    # Steam Deck UI settings
    steam = {
      enable = true;
      autoStart = false;
      user = "toast";
      desktopSession = "plasmawayland";
    };
    hardware.amd.gpu.enableBacklightControl = true;
    # Need patched mesa
    steamos = {
      enableMesaPatches = true;
      enableVendorRadv = true;
    };
    decky-loader = {
      enable = true;
      package = pkgs.decky-loader-prerelease;
    };
  };

  # Enable bluetooth
  hardware.bluetooth = {
    enable = true;
  };

  # Configure keymap in X11
  # services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e,caps:escape";

  # Enable CUPS to print documents.
  # services.printing.enable = true;
  environment.sessionVariables = {
    STEAM_FORCE_DESKTOPUI_SCALING = "2";
  };
  home-manager.sharedModules = [
    {
      # Steam's hidpi support is bugged so it needds to be hardcoded
      # This bypasses that
      xdg.desktopEntries = {
        steam-noScaling = {
          name = "Steam (No Scaling)";
          exec = "env STEAM_FORCE_DESKTOPUI_SCALING=0 steam %U";
          icon = "steam";
          categories = ["Network" "FileTransfer" "Game"];
          comment = "Application for managing and playing games on Steam";
        };
      };
      programs.plasma.input.keyboard.layouts = lib.mkForce ["us"];
    }
  ];

  # Enable sound.
  # sound.enable = true;
  # hardware.pulseaudio.enable = true;

  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.enable = true;

  # Large builds (the linux kernel) fail to build because /tmp is too small when using tmpfs
  boot.tmp.useTmpfs = false;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  # environment.systemPackages = with pkgs; [
  #   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
  #   wget
  # ];

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  # services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;
}