nixos-lib/hardware/nvidia/opensource.nix

{
  config,
  pkgs,
  lib,
  ...
}:
with lib;
let
  cfg = config.aviallon.hardware.nvidia;
in
{
  options.aviallon.hardware.nvidia.nouveau = {
    config = mkOption {
      description = "nouveau boot config";
      type =
        with types;
        attrsOf (
          nullOr (oneOf [
            int
            str
            bool
          ])
        );
      example = {
        NvBoost = 1;
      };
      default = { };
    };
  };

  config = mkIf (cfg.enable && cfg.variant == "nouveau") {
    boot.initrd.kernelModules = [ "nouveau" ];

    aviallon.boot.cmdline = {
      "nouveau.pstate" = 1;
      "nouveau.runpm" = 1;
      "nouveau.modeset" = 1;
      "nouveau.config" =
        let
          toValue = v: if isBool v then toString (if v then 1 else 0) else toString v;
          filteredConfig = filterAttrs (n: v: !isNull v) cfg.nouveau.config;
          configList = mapAttrsToList (n: v: "${n}=${toValue v}") filteredConfig;
          configString = concatStringsSep "," configList;
        in
        trace "Nouveau config: ${configString}" configString;
    };

    aviallon.hardware.mesa.enable = mkDefault true;

    aviallon.hardware.nvidia.nouveau.config.NvBoost = ifEnable (!config.aviallon.laptop.enable) true;

    environment.variables = {
      RUSTICL_ENABLE = "nouveau";
    };
  };
}