{ config, lib, pkgs, ... }: with lib; let pcmciaUtils = pkgs.pcmciaUtils.passthru.function { inherit (config.hardware.pcmcia) firmware config; }; in { ###### interface options = { hardware.pcmcia = { enable = mkOption { type = types.bool; default = false; description = '' Enable this option to support PCMCIA card. ''; }; firmware = mkOption { type = types.listOf types.path; default = []; description = '' List of firmware used to handle specific PCMCIA card. ''; }; config = mkOption { default = null; type = types.nullOr types.path; description = '' Path to the configuration file which maps the memory, IRQs and ports used by the PCMCIA hardware. ''; }; }; }; ###### implementation config = mkIf config.hardware.pcmcia.enable { boot.kernelModules = [ "pcmcia" ]; services.udev.packages = [ pcmciaUtils ]; environment.systemPackages = [ pcmciaUtils ]; }; }