feat(goliath): refactor, make fans sane

nixos/hardware/amd_cpu.nix

@@ -0,0 +1,10 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkDefault;
+in {
+  boot.kernelModules = ["kvm-amd"];
+  hardware.cpu.amd.updateMicrocode = mkDefault config.hardware.enableRedistributableFirmware;
+}

nixos/hardware/amd_gpu.nix

@@ -0,0 +1,5 @@
+_: {
+  boot.kernelParams = [
+    "amdgpu.gpu_recovery=1"
+  ];
+}

nixos/hardware/b550m-itx-ac.nix

@@ -0,0 +1,91 @@
+{pkgs, ...}: {
+  systemd.services.fanSetup = let
+    # https://github.com/arcnmx/home/blob/9eb1cd4dd43883e1a0c6a2a55c00d7c3bede1776/hw/x370gpc/default.nix#L80 <3
+    nct = "/sys/devices/platform/nct6775.656/hwmon/hwmon*/";
+    # https://www.kernel.org/doc/html/next/hwmon/nct6775.html
+    #nct = ".//.//.sys.devices.platform.nct6775/656.hwmon.hwmon0";
+
+    # take in celcius, turn it into millicelcius
+    tempIn = x: toString (x * 1000);
+    # take in a percentage, turn it into a number between 0 and 255
+    pwmIn = x: toString (x * 255 / 100);
+
+    pwmEnable = {
+      maximum = 0;
+      manual = 1;
+      thermalCruise = 2;
+      speedCruise = 3;
+      # smart_fan_3 = 4;
+      smart_fan = 5;
+    };
+
+    cpu_sensor = 2;
+    mobo_sensor = 3;
+
+    cpu_temp = "temp${toString cpu_sensor}";
+    mobo_temp = "temp${toString mobo_sensor}";
+    exhaust = "pwm1";
+    intake = "pwm3";
+
+    temps = {
+      cpu = {
+        max = 80;
+        max_hyst = 75;
+      };
+
+      mobo = {
+        max = 50;
+        max_hyst = 45;
+      };
+    };
+
+    fanScript = pkgs.writeShellScriptBin "fan" ''
+      cd ${nct}
+      echo "${toString temps.cpu.max}" > ${cpu_temp}_max
+      echo "${toString temps.cpu.max_hyst}" > ${cpu_temp}_max_hyst
+      echo "${toString temps.mobo.max}" > ${mobo_temp}_max
+      echo "${toString temps.mobo.max_hyst}" > ${mobo_temp}_max_hyst
+
+      # Rear and Top Exhaust
+
+      echo "${toString pwmEnable.smart_fan}" > ${exhaust}_enable
+      echo "${toString mobo_sensor}" > ${exhaust}_temp_sel
+      echo "${tempIn 35}" > ${exhaust}_auto_point1_temp
+      echo "${pwmIn 10}" > ${exhaust}_auto_point1_pwm
+      echo "${tempIn 40}" > ${exhaust}_auto_point2_temp
+      echo "${pwmIn 20}" > ${exhaust}_auto_point2_pwm
+      echo "${tempIn 45}" > ${exhaust}_auto_point3_temp
+      echo "${pwmIn 50}" > ${exhaust}_auto_point3_pwm
+      echo "${tempIn 50}" > ${exhaust}_auto_point4_temp
+      echo "${pwmIn 75}" > ${exhaust}_auto_point4_pwm
+      echo "${tempIn 55}" > ${exhaust}_auto_point5_temp
+      echo "${pwmIn 100}" > ${exhaust}_auto_point5_pwm
+
+      # Bottom Intake
+
+      echo "${toString pwmEnable.smart_fan}" > ${intake}_enable
+      echo "${toString mobo_sensor}" > ${intake}_temp_sel
+      echo "${tempIn 35}" > ${intake}_auto_point1_temp
+      echo "${pwmIn 10}" > ${intake}_auto_point1_pwm
+      echo "${tempIn 40}" > ${intake}_auto_point2_temp
+      echo "${pwmIn 20}" > ${intake}_auto_point2_pwm
+      echo "${tempIn 45}" > ${intake}_auto_point3_temp
+      echo "${pwmIn 50}" > ${intake}_auto_point3_pwm
+      echo "${tempIn 50}" > ${intake}_auto_point4_temp
+      echo "${pwmIn 75}" > ${intake}_auto_point4_pwm
+      echo "${tempIn 55}" > ${intake}_auto_point5_temp
+      echo "${pwmIn 100}" > ${intake}_auto_point5_pwm
+
+      # CLC
+      ${pkgs.liquidctl}/bin/liquidctl --match clc set fan speed 20 0 30 0 40 10 50 50 60 75 70 100
+    '';
+  in {
+    wantedBy = ["multi-user.target"];
+    description = "Set up the fan speeds for the system";
+    after = ["systemd-modules-load.service"];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${fanScript}/bin/fan";
+    };
+  };
+}

nixos/hardware/intel.nix

@@ -1,11 +0,0 @@
-{
-  config,
-  lib,
-  ...
-}: let
-  inherit (lib.modules) mkIf;
-in {
-  config = mkIf (config.machine.cpuVendor == "intel") {
-    boot.kernelModules = ["kvm-intel"];
-  };
-}

nixos/hardware/intel_cpu.nix

@@ -0,0 +1,5 @@
+_: let
+in {
+  boot.kernelModules = ["kvm-intel"];
+  services.thermald.enable = true;
+}

nixos/hardware/uefi.nix

@@ -0,0 +1,13 @@
+_: {
+  boot.loader = {
+    grub = {
+      devices = ["nodev"];
+      efiSupport = true;
+      gfxmodeEfi = "1920x1080";
+    };
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot";
+    };
+  };
+}