🎄 add openrgb

flake.nix

@@ -122,7 +122,7 @@
       dan = {
         isNormalUser = true;
         initialPassword = "pw123";
-        extraGroups = ["wheel" "docker" "video" "networkmanager"];
+        extraGroups = ["wheel" "docker" "i2c" "video" "networkmanager"];
         packages = [pkgs.home-manager];
       };
       underdel = {

hosts/DanPC/NixOS/hardware-configuration.nix

@@ -25,11 +25,25 @@
       "nvidia_uvm"
       "nvidia_drm"
     ];
-    initrd.kernelModules = ["nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm"];
-    kernelModules = ["kvm-amd"];
+    initrd.kernelModules = [
+      "nvidia"
+      "nvidia_modeset"
+      "nvidia_uvm"
+      "nvidia_drm"
+    ];
+    kernelModules = [
+      "kvm-amd"
+
+      # for OpenRGB https://github.com/NixOS/nixpkgs/issues/267915
+      "i2c-dev"
+      "i2c-piix4"
+    ];
     kernelParams = [
       "nvidia_drm.fbdev=1"
       "nvidia_drm.modeset=1"
+
+      # for OpenRGB https://github.com/NixOS/nixpkgs/issues/267915
+      "acpi_enforce_resources=lax"
     ];
     extraModulePackages = [];
   };
@@ -67,4 +81,8 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  # for OpenRGB
+  hardware.i2c.enable = true;
+  services.hardware.openrgb.motherboard = "amd";
 }

hosts/configuration.nix

@@ -148,6 +148,20 @@
     };
 
     mullvad-vpn.enable = true;
+
+    fprintd.enable = true;
+    pcscd.enable = true;
+    hardware.openrgb = {
+      enable = true;
+      package = pkgs.openrgb-with-all-plugins;
+    };
+    cron = {
+      enable = true;
+      systemCronJobs = [
+        # update nix index for comma every week
+        "0 0 * * 6      dan    nix run 'nixpkgs#nix-index' --extra-experimental-features 'nix-command flakes' >> /tmp/update-comma-index.log"
+      ];
+    };
   };
 
   location.provider = "geoclue2";
@@ -207,6 +221,10 @@
       nix-output-monitor
       minikube
       amazon-ecr-credential-helper
+
+      # for openrgb
+      i2c-tools
+      liquidctl
     ];
   };
 
@@ -245,13 +263,6 @@
     };
   };
 
-  services.fprintd.enable = true;
-  # services.fprintd.tod.enable = true;
-  #services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix; # try this driver)
-  # services.fprintd.tod.driver = pkgs.libfprint-2-tod1-vfs0090; # or this one
-
-  services.pcscd.enable = true;
-
   # Screen Sharing
   xdg.portal = {
     enable = true;
@@ -272,12 +283,4 @@
       };
     };
   };
-
-  # update nix index for comma every week
-  services.cron = {
-    enable = true;
-    systemCronJobs = [
-      "0 0 * * 6      dan    nix run 'nixpkgs#nix-index' --extra-experimental-features 'nix-command flakes' >> /tmp/update-comma-index.log"
-    ];
-  };
 }

hosts/framnix/NixOS/hardware-configuration.nix

@@ -16,9 +16,25 @@
 
   boot = {
     loader.grub.device = "/dev/nvme0n1";
-    initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod"];
+    initrd.availableKernelModules = [
+      "xhci_pci"
+      "thunderbolt"
+      "nvme"
+      "usb_storage"
+      "sd_mod"
+    ];
+    kernelParams = [
+      # for OpenRGB https://github.com/NixOS/nixpkgs/issues/267915
+      "i2c-dev"
+      "i2c-piix4"
+    ];
     initrd.kernelModules = [];
-    kernelModules = ["kvm-intel"];
+    kernelModules = [
+      "kvm-intel"
+
+      # for OpenRGB https://github.com/NixOS/nixpkgs/issues/267915
+      "acpi_enforce_resources=lax"
+    ];
 
     # Framework Laptops have auto brightness detection which has to be disabled
     # otherwise the brightness keys don't work
@@ -49,21 +65,27 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 
   nixpkgs.config.packageOverrides = pkgs: {
     vaapiIntel = pkgs.vaapiIntel.override {enableHybridCodec = true;};
   };
 
-  hardware.graphics = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-media-driver # LIBVA_DRIVER_NAME=iHD
-      vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
-      vaapiVdpau
-      libvdpau-va-gl
-    ];
+  hardware = {
+    cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+    graphics = {
+      enable = true;
+      extraPackages = with pkgs; [
+        intel-media-driver # LIBVA_DRIVER_NAME=iHD
+        vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+        vaapiVdpau
+        libvdpau-va-gl
+      ];
+    };
+    # for OpenRGB
+    i2c.enable = true;
   };
 
   services.fwupd.enable = true;
+
+  services.hardware.openrgb.motherboard = "intel";
 }