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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.mbpfan;
verbose = if cfg.verbose then "v" else "";
settingsFormat = pkgs.formats.ini {};
settingsFile = settingsFormat.generate "mbpfan.ini" cfg.settings;
in {
options.services.mbpfan = {
enable = mkEnableOption "mbpfan, fan controller daemon for Apple Macs and MacBooks";
package = mkOption {
type = types.package;
default = pkgs.mbpfan;
defaultText = literalExpression "pkgs.mbpfan";
description = ''
The package used for the mbpfan daemon.
'';
};
verbose = mkOption {
type = types.bool;
default = false;
description = ''
If true, sets the log level to verbose.
'';
};
settings = mkOption {
default = {};
description = "The INI configuration for Mbpfan.";
type = types.submodule {
freeformType = settingsFormat.type;
options.general.min_fan1_speed = mkOption {
type = types.nullOr types.int;
default = 2000;
description = ''
The minimum fan speed. Setting to null enables automatic detection.
Check minimum fan limits with "cat /sys/devices/platform/applesmc.768/fan*_min".
'';
};
options.general.max_fan1_speed = mkOption {
type = types.nullOr types.int;
default = 6199;
description = ''
The maximum fan speed. Setting to null enables automatic detection.
Check maximum fan limits with "cat /sys/devices/platform/applesmc.768/fan*_max".
'';
};
options.general.low_temp = mkOption {
type = types.int;
default = 55;
description = "Temperature below which fan speed will be at minimum. Try ranges 55-63.";
};
options.general.high_temp = mkOption {
type = types.int;
default = 58;
description = "Fan will increase speed when higher than this temperature. Try ranges 58-66.";
};
options.general.max_temp = mkOption {
type = types.int;
default = 86;
description = "Fan will run at full speed above this temperature. Do not set it > 90.";
};
options.general.polling_interval = mkOption {
type = types.int;
default = 1;
description = "The polling interval.";
};
};
};
};
imports = [
(mkRenamedOptionModule [ "services" "mbpfan" "pollingInterval" ] [ "services" "mbpfan" "settings" "general" "polling_interval" ])
(mkRenamedOptionModule [ "services" "mbpfan" "maxTemp" ] [ "services" "mbpfan" "settings" "general" "max_temp" ])
(mkRenamedOptionModule [ "services" "mbpfan" "lowTemp" ] [ "services" "mbpfan" "settings" "general" "low_temp" ])
(mkRenamedOptionModule [ "services" "mbpfan" "highTemp" ] [ "services" "mbpfan" "settings" "general" "high_temp" ])
(mkRenamedOptionModule [ "services" "mbpfan" "minFanSpeed" ] [ "services" "mbpfan" "settings" "general" "min_fan1_speed" ])
(mkRenamedOptionModule [ "services" "mbpfan" "maxFanSpeed" ] [ "services" "mbpfan" "settings" "general" "max_fan1_speed" ])
];
config = mkIf cfg.enable {
boot.kernelModules = [ "coretemp" "applesmc" ];
environment.etc."mbpfan.conf".source = settingsFile;
environment.systemPackages = [ cfg.package ];
systemd.services.mbpfan = {
description = "A fan manager daemon for MacBook Pro";
wantedBy = [ "sysinit.target" ];
after = [ "syslog.target" "sysinit.target" ];
restartTriggers = [ config.environment.etc."mbpfan.conf".source ];
serviceConfig = {
Type = "simple";
ExecStart = "${cfg.package}/bin/mbpfan -f${verbose}";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
PIDFile = "/run/mbpfan.pid";
Restart = "always";
};
};
};
}
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