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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.logitech;
vendor = "046d";
daemon = "g15daemon";
in
{
imports = [
(mkRenamedOptionModule [ "hardware" "logitech" "enable" ] [ "hardware" "logitech" "wireless" "enable" ])
(mkRenamedOptionModule [ "hardware" "logitech" "enableGraphical" ] [ "hardware" "logitech" "wireless" "enableGraphical" ])
];
options.hardware.logitech = {
lcd = {
enable = mkEnableOption "Logitech LCD Devices";
startWhenNeeded = mkOption {
type = types.bool;
default = true;
description = ''
Only run the service when an actual supported device is plugged.
'';
};
devices = mkOption {
type = types.listOf types.str;
default = [ "0a07" "c222" "c225" "c227" "c251" ];
description = ''
List of USB device ids supported by g15daemon.
</para>
<para>
You most likely do not need to change this.
'';
};
};
wireless = {
enable = mkEnableOption "Logitech Wireless Devices";
enableGraphical = mkOption {
type = types.bool;
default = false;
description = "Enable graphical support applications.";
};
};
};
config = lib.mkIf (cfg.wireless.enable || cfg.lcd.enable) {
environment.systemPackages = []
++ lib.optional cfg.wireless.enable pkgs.ltunify
++ lib.optional cfg.wireless.enableGraphical pkgs.solaar;
services.udev = {
# ltunifi and solaar both provide udev rules but the most up-to-date have been split
# out into a dedicated derivation
packages = []
++ lib.optional cfg.wireless.enable pkgs.logitech-udev-rules
++ lib.optional cfg.lcd.enable pkgs.g15daemon;
extraRules = ''
# nixos: hardware.logitech.lcd
'' + lib.concatMapStringsSep "\n" (
dev:
''ACTION=="add", SUBSYSTEMS=="usb", ATTRS{idVendor}=="${vendor}", ATTRS{idProduct}=="${dev}", TAG+="systemd", ENV{SYSTEMD_WANTS}+="${daemon}.service"''
) cfg.lcd.devices;
};
systemd.services."${daemon}" = lib.mkIf cfg.lcd.enable {
description = "Logitech LCD Support Daemon";
documentation = [ "man:g15daemon(1)" ];
wantedBy = lib.mkIf (! cfg.lcd.startWhenNeeded) "multi-user.target";
serviceConfig = {
Type = "forking";
ExecStart = "${pkgs.g15daemon}/bin/g15daemon";
# we patch it to write to /run/g15daemon/g15daemon.pid instead of
# /run/g15daemon.pid so systemd will do the cleanup for us.
PIDFile = "/run/${daemon}/g15daemon.pid";
PrivateTmp = true;
PrivateNetwork = true;
ProtectHome = "tmpfs";
ProtectSystem = "full"; # strict doesn't work
RuntimeDirectory = daemon;
Restart = "on-failure";
};
};
};
}
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