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|
# Upower daemon.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.upower;
in
{
###### interface
options = {
services.upower = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable Upower, a DBus service that provides power
management support to applications.
'';
};
package = mkOption {
type = types.package;
default = pkgs.upower;
defaultText = literalExpression "pkgs.upower";
description = ''
Which upower package to use.
'';
};
enableWattsUpPro = mkOption {
type = types.bool;
default = false;
description = ''
Enable the Watts Up Pro device.
The Watts Up Pro contains a generic FTDI USB device without a specific
vendor and product ID. When we probe for WUP devices, we can cause
the user to get a perplexing "Device or resource busy" error when
attempting to use their non-WUP device.
The generic FTDI device is known to also be used on:
<itemizedlist>
<listitem><para>Sparkfun FT232 breakout board</para></listitem>
<listitem><para>Parallax Propeller</para></listitem>
</itemizedlist>
'';
};
noPollBatteries = mkOption {
type = types.bool;
default = false;
description = ''
Don't poll the kernel for battery level changes.
Some hardware will send us battery level changes through
events, rather than us having to poll for it. This option
allows disabling polling for hardware that sends out events.
'';
};
ignoreLid = mkOption {
type = types.bool;
default = false;
description = ''
Do we ignore the lid state
Some laptops are broken. The lid state is either inverted, or stuck
on or off. We can't do much to fix these problems, but this is a way
for users to make the laptop panel vanish, a state that might be used
by a couple of user-space daemons. On Linux systems, see also
logind.conf(5).
'';
};
usePercentageForPolicy = mkOption {
type = types.bool;
default = true;
description = ''
Policy for warnings and action based on battery levels
Whether battery percentage based policy should be used. The default
is to use the percentage, which
should work around broken firmwares. It is also more reliable than
the time left (frantically saving all your files is going to use more
battery than letting it rest for example).
'';
};
percentageLow = mkOption {
type = types.ints.unsigned;
default = 10;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>true</literal>, the levels at which UPower will consider the
battery low.
This will also be used for batteries which don't have time information
such as that of peripherals.
If any value (of <literal>percentageLow</literal>,
<literal>percentageCritical</literal> and
<literal>percentageAction</literal>) is invalid, or not in descending
order, the defaults will be used.
'';
};
percentageCritical = mkOption {
type = types.ints.unsigned;
default = 3;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>true</literal>, the levels at which UPower will consider the
battery critical.
This will also be used for batteries which don't have time information
such as that of peripherals.
If any value (of <literal>percentageLow</literal>,
<literal>percentageCritical</literal> and
<literal>percentageAction</literal>) is invalid, or not in descending
order, the defaults will be used.
'';
};
percentageAction = mkOption {
type = types.ints.unsigned;
default = 2;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>true</literal>, the levels at which UPower will take action
for the critical battery level.
This will also be used for batteries which don't have time information
such as that of peripherals.
If any value (of <literal>percentageLow</literal>,
<literal>percentageCritical</literal> and
<literal>percentageAction</literal>) is invalid, or not in descending
order, the defaults will be used.
'';
};
timeLow = mkOption {
type = types.ints.unsigned;
default = 1200;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>false</literal>, the time remaining in seconds at which
UPower will consider the battery low.
If any value (of <literal>timeLow</literal>,
<literal>timeCritical</literal> and <literal>timeAction</literal>) is
invalid, or not in descending order, the defaults will be used.
'';
};
timeCritical = mkOption {
type = types.ints.unsigned;
default = 300;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>false</literal>, the time remaining in seconds at which
UPower will consider the battery critical.
If any value (of <literal>timeLow</literal>,
<literal>timeCritical</literal> and <literal>timeAction</literal>) is
invalid, or not in descending order, the defaults will be used.
'';
};
timeAction = mkOption {
type = types.ints.unsigned;
default = 120;
description = ''
When <literal>usePercentageForPolicy</literal> is
<literal>false</literal>, the time remaining in seconds at which
UPower will take action for the critical battery level.
If any value (of <literal>timeLow</literal>,
<literal>timeCritical</literal> and <literal>timeAction</literal>) is
invalid, or not in descending order, the defaults will be used.
'';
};
criticalPowerAction = mkOption {
type = types.enum [ "PowerOff" "Hibernate" "HybridSleep" ];
default = "HybridSleep";
description = ''
The action to take when <literal>timeAction</literal> or
<literal>percentageAction</literal> has been reached for the batteries
(UPS or laptop batteries) supplying the computer
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ cfg.package ];
services.dbus.packages = [ cfg.package ];
services.udev.packages = [ cfg.package ];
systemd.packages = [ cfg.package ];
environment.etc."UPower/UPower.conf".text = generators.toINI {} {
UPower = {
EnableWattsUpPro = cfg.enableWattsUpPro;
NoPollBatteries = cfg.noPollBatteries;
IgnoreLid = cfg.ignoreLid;
UsePercentageForPolicy = cfg.usePercentageForPolicy;
PercentageLow = cfg.percentageLow;
PercentageCritical = cfg.percentageCritical;
PercentageAction = cfg.percentageAction;
TimeLow = cfg.timeLow;
TimeCritical = cfg.timeCritical;
TimeAction = cfg.timeAction;
CriticalPowerAction = cfg.criticalPowerAction;
};
};
};
}
|