1 files changed, 88 insertions, 0 deletions
diff --git a/configs/hw/x220.nix b/configs/hw/x220.nix
new file mode 100644
index 0000000..6993413
--- /dev/null
+++ b/configs/hw/x220.nix
@@ -0,0 +1,88 @@
+{ config, lib, pkgs, ... }: {
+  imports = [
+    ../smartd.nix
+    {
+      boot.extraModulePackages = [
+        config.boot.kernelPackages.acpi_call
+      ];
+
+      boot.kernelModules = [
+        "acpi_call"
+      ];
+
+      environment.systemPackages = [
+        pkgs.tpacpi-bat
+      ];
+    }
+
+    # fix jumpy touchpad
+    # https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X220#X220_Touchpad_cursor_jump/imprecise
+    {
+      services.udev.extraHwdb = /* sh */ ''
+        touchpad:i8042:*
+         LIBINPUT_MODEL_LENOVO_X220_TOUCHPAD_FW81=1
+      '';
+    }
+
+    {
+      nix.settings.cores = 2;
+      nix.settings.max-jobs = 2;
+    }
+    (if lib.versionAtLeast (lib.versions.majorMinor lib.version) "21.11" then {
+      nix.daemonCPUSchedPolicy = "batch";
+      nix.daemonIOSchedPriority = 1;
+    } else {
+      nix.daemonIONiceLevel = 1;
+      nix.daemonNiceLevel = 1;
+    })
+  ];
+
+  boot.extraModulePackages = [
+    config.boot.kernelPackages.tp_smapi
+  ];
+
+  boot.kernelModules = [ "tp_smapi" ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Required for Centrino.
+  hardware.enableRedistributableFirmware = true;
+
+  hardware.opengl.extraPackages = [ pkgs.vaapiIntel pkgs.vaapiVdpau ];
+
+  hardware.trackpoint = {
+    enable = true;
+    sensitivity = 220;
+    speed = 0;
+    emulateWheel = true;
+  };
+
+  # Conflicts with TLP, but gets enabled by DEs.
+  services.power-profiles-daemon.enable = false;
+
+  services.tlp.enable = true;
+  services.tlp.settings = {
+    START_CHARGE_THRESH_BAT0 = 80;
+  };
+
+
+  services.logind.extraConfig = ''
+    HandleHibernateKey=ignore
+    HandleLidSwitch=ignore
+    HandlePowerKey=ignore
+    HandleSuspendKey=ignore
+  '';
+
+  # because extraConfig is not extra enough:
+  services.logind.lidSwitch = "ignore";
+  services.logind.lidSwitchDocked = "ignore";
+  services.logind.lidSwitchExternalPower = "ignore";
+
+  services.xserver = {
+    videoDriver = "intel";
+  };
+
+  tv.hw.screens.primary.width = lib.mkDefault 1366;
+  tv.hw.screens.primary.height = lib.mkDefault 768;
+}