# 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’).

{ ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ../base.nix
      ../linux.nix
      ./headless.nix
    ];



  nix = {
    package = pkgs.nixUnstable;
    autoOptimiseStore = true;
    gc = {
      automatic = true;
      dates = "weekly";
      options = "--delete-older-than 30d";
    };
    # Free up to 1GiB whenever there is less than 100MiB left.
    extraOptions = ''
      min-free = ${toString (100 * 1024 * 1024)}
      max-free = ${toString (1024 * 1024 * 1024)}
    '';
  };
  boot = {
    loader = {
      systemd-boot.consoleMode = "max";
      grub.enable = false;
      generic-extlinux-compatible.enable = true; # settings don't get saved without this!!
      #raspberryPi.enable = true;
      raspberryPi.version = 4;
      raspberryPi.firmwareConfig = ''
        dtparam=audio=on
	dtoverlay=vc4-kms-3d
      '';
    };
    kernelPackages = pkgs.linuxPackages_rpi4; # Mainline doesn't work yet
    extraModprobeConfig = ''
      options snd_bcm2835 enable_headphones=1
    '';
  };
  hardware.raspberry-pi."4" = {
    fkms-3d.enable = true;
    audio.enable = true;
    dwc2.enable = true;
  };


  networking = {
    hostName = "yfs"; # Define your hostname.
  };



  # Set your time zone.
   time.timeZone = "Asia/Bangkok";


  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).

  system.stateVersion = "22.11"; # Did you read the comment?

}