141 lines
4.3 KiB
Nix
141 lines
4.3 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.hardware.bluetooth;
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package = cfg.package;
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inherit (lib)
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mkDefault mkEnableOption mkIf mkOption
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mkRenamedOptionModule mkRemovedOptionModule
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concatStringsSep escapeShellArgs literalExpression
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optional optionals optionalAttrs recursiveUpdate types;
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cfgFmt = pkgs.formats.ini { };
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defaults = {
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General.ControllerMode = "dual";
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Policy.AutoEnable = cfg.powerOnBoot;
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};
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hasDisabledPlugins = builtins.length cfg.disabledPlugins > 0;
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in
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{
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imports = [
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(mkRenamedOptionModule [ "hardware" "bluetooth" "config" ] [ "hardware" "bluetooth" "settings" ])
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(mkRemovedOptionModule [ "hardware" "bluetooth" "extraConfig" ] ''
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Use hardware.bluetooth.settings instead.
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This is part of the general move to use structured settings instead of raw
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text for config as introduced by RFC0042:
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https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md
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'')
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];
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###### interface
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options = {
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hardware.bluetooth = {
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enable = mkEnableOption (lib.mdDoc "support for Bluetooth");
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hsphfpd.enable = mkEnableOption (lib.mdDoc "support for hsphfpd[-prototype] implementation");
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powerOnBoot = mkOption {
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type = types.bool;
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default = true;
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description = lib.mdDoc "Whether to power up the default Bluetooth controller on boot.";
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};
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package = mkOption {
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type = types.package;
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default = pkgs.bluez;
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defaultText = literalExpression "pkgs.bluez";
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example = literalExpression "pkgs.bluezFull";
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description = lib.mdDoc ''
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Which BlueZ package to use.
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::: {.note}
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Use the `pkgs.bluezFull` package to enable all
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bluez plugins.
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:::
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'';
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};
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disabledPlugins = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = lib.mdDoc "Built-in plugins to disable";
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};
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settings = mkOption {
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type = cfgFmt.type;
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default = { };
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example = {
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General = {
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ControllerMode = "bredr";
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};
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};
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description = lib.mdDoc "Set configuration for system-wide bluetooth (/etc/bluetooth/main.conf).";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ package ]
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++ optional cfg.hsphfpd.enable pkgs.hsphfpd;
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environment.etc."bluetooth/main.conf".source =
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cfgFmt.generate "main.conf" (recursiveUpdate defaults cfg.settings);
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services.udev.packages = [ package ];
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services.dbus.packages = [ package ]
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++ optional cfg.hsphfpd.enable pkgs.hsphfpd;
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systemd.packages = [ package ];
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systemd.services = {
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bluetooth =
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let
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# `man bluetoothd` will refer to main.conf in the nix store but bluez
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# will in fact load the configuration file at /etc/bluetooth/main.conf
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# so force it here to avoid any ambiguity and things suddenly breaking
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# if/when the bluez derivation is changed.
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args = [ "-f" "/etc/bluetooth/main.conf" ]
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++ optional hasDisabledPlugins
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"--noplugin=${concatStringsSep "," cfg.disabledPlugins}";
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in
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{
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wantedBy = [ "bluetooth.target" ];
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aliases = [ "dbus-org.bluez.service" ];
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serviceConfig.ExecStart = [
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""
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"${package}/libexec/bluetooth/bluetoothd ${escapeShellArgs args}"
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];
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# restarting can leave people without a mouse/keyboard
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unitConfig.X-RestartIfChanged = false;
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};
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}
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// (optionalAttrs cfg.hsphfpd.enable {
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hsphfpd = {
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after = [ "bluetooth.service" ];
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requires = [ "bluetooth.service" ];
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wantedBy = [ "bluetooth.target" ];
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description = "A prototype implementation used for connecting HSP/HFP Bluetooth devices";
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serviceConfig.ExecStart = "${pkgs.hsphfpd}/bin/hsphfpd.pl";
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};
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});
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systemd.user.services = {
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obex.aliases = [ "dbus-org.bluez.obex.service" ];
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}
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// optionalAttrs cfg.hsphfpd.enable {
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telephony_client = {
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wantedBy = [ "default.target" ];
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description = "telephony_client for hsphfpd";
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serviceConfig.ExecStart = "${pkgs.hsphfpd}/bin/telephony_client.pl";
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};
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};
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};
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}
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