From 01e3567653683b49f23749bb71fb22abc6bdd448 Mon Sep 17 00:00:00 2001
From: ItsDrike <itsdrike@protonmail.com>
Date: Sat, 13 Apr 2024 20:56:51 +0200
Subject: [PATCH] Add laptop settings

---
 options/device/roles.nix              |  2 +-
 system/roles/default.nix              |  1 +
 system/roles/laptop/default.nix       |  6 +++
 system/roles/laptop/power/default.nix | 66 +++++++++++++++++++++++++++
 system/roles/laptop/touchpad.nix      | 22 +++++++++
 5 files changed, 96 insertions(+), 1 deletion(-)
 create mode 100644 system/roles/laptop/default.nix
 create mode 100644 system/roles/laptop/power/default.nix
 create mode 100644 system/roles/laptop/touchpad.nix

diff --git a/options/device/roles.nix b/options/device/roles.nix
index 241f682..834ed42 100644
--- a/options/device/roles.nix
+++ b/options/device/roles.nix
@@ -1,7 +1,7 @@
 { lib, config, ... }: let 
   inherit (lib) mkOption types;
 
-  cfg = config.myOptions.device;
+  cfg = config.myOptions.device.roles;
 in {
   options.myOptions.device.roles = {
     type = mkOption {
diff --git a/system/roles/default.nix b/system/roles/default.nix
index cf4b423..605753d 100644
--- a/system/roles/default.nix
+++ b/system/roles/default.nix
@@ -1,5 +1,6 @@
 {
   imports = [
     ./workstation
+    ./laptop
   ];
 }
diff --git a/system/roles/laptop/default.nix b/system/roles/laptop/default.nix
new file mode 100644
index 0000000..11ba147
--- /dev/null
+++ b/system/roles/laptop/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./power
+    ./touchpad.nix
+  ];
+}
diff --git a/system/roles/laptop/power/default.nix b/system/roles/laptop/power/default.nix
new file mode 100644
index 0000000..f2a1196
--- /dev/null
+++ b/system/roles/laptop/power/default.nix
@@ -0,0 +1,66 @@
+{lib, config, pkgs, ...}: let
+  inherit (lib) mkDefault;
+in{
+  hardware.acpilight.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    acpi
+    powertop
+  ];
+
+  services = {
+    # handle ACPI events
+    acpid.enable = true;
+
+    # allows changing system behavior based upon user-selected power profiles
+    power-profiles-daemon.enable = true;
+
+    # temperature target on battery
+    undervolt = {
+      tempBat = 65; # deg C
+      package = pkgs.undervolt;
+    };
+
+    # superior power management
+    auto-cpufreq = {
+      enable = true;
+
+      # define the profiles
+      # (you can manually switch between profiles using `powerprofilesctl` cmd)
+      settings = let
+        MHz = x: x * 1000;
+      in {
+        battery = {
+          governor = "powersave";
+          scaling_min_freq = mkDefault (MHz 1200);
+          scaling_max_freq = mkDefault (MHz 1800);
+          turbo = "never";
+        };
+
+        charger = {
+          governor = "performance";
+          scaling_min_freq = mkDefault (MHz 1800);
+          scaling_max_freq = mkDefault (MHz 3800);
+          turbo = "auto";
+        };
+      };
+    };
+
+    # DBus service that provides power management support to applications
+    upower = {
+      enable = true;
+      percentageLow = 15;
+      percentageCritical = 5;
+      percentageAction = 3;
+      criticalPowerAction = "Hibernate";
+    };
+  };
+
+  boot = {
+    kernelModules = ["acpi_call"];
+    extraModulePackages = with config.boot.kernelPackages; [
+      acpi_call
+      cpupower
+    ];
+  };
+}
diff --git a/system/roles/laptop/touchpad.nix b/system/roles/laptop/touchpad.nix
new file mode 100644
index 0000000..bd58fc9
--- /dev/null
+++ b/system/roles/laptop/touchpad.nix
@@ -0,0 +1,22 @@
+{
+  services.xserver.libinput = {
+    # enable libinput
+    enable = true;
+
+    # disable mouse acceleration
+    mouse = {
+      accelProfile = "flat";
+      accelSpeed = "0";
+      middleEmulation = false;
+    };
+
+    # touchpad settings
+    touchpad = {
+      naturalScrolling = false; # I'm weird like that
+      tapping = true;
+      clickMethod = "clickfinger";
+      horizontalScrolling = true;
+      disableWhileTyping = true;
+    };
+  };
+}