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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
commit | 5c1f8cbc70cd5e6867ef6a2a06d27a40daa07010 (patch) | |
tree | a6c0f605be6de3f372ae69905b331f9f75452da7 /nixos/modules/services/hardware/thinkfan.nix | |
parent | 6070bc016bd2fd945b04347e25cfd3738622d2ac (diff) |
Move all of NixOS to nixos/ in preparation of the repository merge
Diffstat (limited to 'nixos/modules/services/hardware/thinkfan.nix')
-rw-r--r-- | nixos/modules/services/hardware/thinkfan.nix | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/thinkfan.nix b/nixos/modules/services/hardware/thinkfan.nix new file mode 100644 index 0000000000000..b39c9cb1d9bb0 --- /dev/null +++ b/nixos/modules/services/hardware/thinkfan.nix @@ -0,0 +1,95 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +let + + cfg = config.services.thinkfan; + configFile = pkgs.writeText "thinkfan.conf" '' + # ATTENTION: There is only very basic sanity checking on the configuration. + # That means you can set your temperature limits as insane as you like. You + # can do anything stupid, e.g. turn off your fan when your CPU reaches 70°C. + # + # That's why this program is called THINKfan: You gotta think for yourself. + # + ###################################################################### + # + # IBM/Lenovo Thinkpads (thinkpad_acpi, /proc/acpi/ibm) + # ==================================================== + # + # IMPORTANT: + # + # To keep your HD from overheating, you have to specify a correction value for + # the sensor that has the HD's temperature. You need to do this because + # thinkfan uses only the highest temperature it can find in the system, and + # that'll most likely never be your HD, as most HDs are already out of spec + # when they reach 55 °C. + # Correction values are applied from left to right in the same order as the + # temperatures are read from the file. + # + # For example: + # sensor /proc/acpi/ibm/thermal (0, 0, 10) + # will add a fixed value of 10 °C the 3rd value read from that file. Check out + # http://www.thinkwiki.org/wiki/Thermal_Sensors to find out how much you may + # want to add to certain temperatures. + + # Syntax: + # (LEVEL, LOW, HIGH) + # LEVEL is the fan level to use (0-7 with thinkpad_acpi) + # LOW is the temperature at which to step down to the previous level + # HIGH is the temperature at which to step up to the next level + # All numbers are integers. + # + + sensor ${cfg.sensor} (0, 10, 15, 2, 10, 5, 0, 3, 0, 3) + + (0, 0, 55) + (1, 48, 60) + (2, 50, 61) + (3, 52, 63) + (6, 56, 65) + (7, 60, 85) + (127, 80, 32767) + ''; + +in { + + options = { + + services.thinkfan = { + + enable = mkOption { + default = false; + description = '' + Whether to enable thinkfan, fan controller for ibm/lenovo thinkpads. + ''; + }; + + sensor = mkOption { + default = "/proc/acpi/ibm/thermal"; + description ='' + Sensor used by thinkfan + ''; + }; + + }; + + }; + + config = mkIf cfg.enable { + + environment.systemPackages = [ pkgs.thinkfan ]; + + systemd.services.thinkfan = { + description = "Thinkfan"; + after = [ "basic.target" ]; + wantedBy = [ "multi-user.target" ]; + path = [ pkgs.thinkfan ]; + serviceConfig.ExecStart = "${pkgs.thinkfan}/bin/thinkfan -n -c ${configFile}"; + }; + + boot.extraModprobeConfig = "options thinkpad_acpi experimental=1 fan_control=1"; + + }; + +} |