retrobox

flake.nix

@@ -182,10 +182,10 @@
         plex = mkNixos [ ./nixos/hosts/plex ]; # plex
         porcelain-doll-repair = mkNixos [ ./nixos/hosts/porcelain-doll-repair ]; # Iceshrimp+Withdrawl, porcelain.doll.repair
         ps2live = mkNixos [ ./nixos/hosts/ps2live ]; # PS2.LIVE stack + planetside stuff
+        retrobox = mkNixos [ ./nixos/hosts/retrobox ]; # lil rpi
         sapphic-engineer = mkNixos [ ./nixos/hosts/sapphic-engineer ]; # Akkoma, sapphic.engineer
         seedbox = mkNixos [ ./nixos/hosts/seedbox ]; # fuck
         static-sites = mkNixos [ ./nixos/hosts/static-sites ]; # nginx specifically for static sites
-        streambox = mkNixos [ ./nixos/hosts/streambox ]; # lil rpi
         thonkpad = mkNixos [ ./nixos/hosts/thonkpad ]; # t480
         ts3 = mkNixos [ ./nixos/hosts/ts3 ]; # Teamspeak-san
         unicorn = mkNixos [ ./nixos/hosts/unicorn ]; # legion thingy

home-manager/features/retroarch.nix

@@ -1,15 +1,23 @@
-{ pkgs, ... }: {
+{ pkgs, lib, config, ... }: {
+  home.activation.retroarch-config-link = lib.hm.dag.entryAfter ["writeBoundary"] ''
+    run ln -s $VERBOSE_ARG \
+        ${builtins.toPath /mnt/nas0/noe/games/retroarch} \
+        $HOME/.config/retroarch
+  '';
+
   home.packages = [
     (pkgs.retroarch.withCores (
       cores: with cores; [
-        pcsx2
         ppsspp
         snes9x
         dolphin
         mupen64plus
         desmume
         vba-m
-      ]
+      ] ++ (if pkgs.system == "x86_64-linux" then [
+        # stuff that doesn't happen on ARM
+        pcsx2
+      ] else [])
     ))
   ];
 }

home-manager/noe/hosts/retrobox.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }: {
+  imports = [
+    ../common
+    ../common/home-user.nix
+
+    ../../features/kitty.nix
+    ../../features/retroarch.nix
+  ];
+
+  home.packages = with pkgs; [
+    vlc
+  ];
+
+  programs.kitty.settings.font_size = 12;
+}

nixos/features/amd.nix

@@ -1,5 +1,9 @@
-{ ... }: {
-  boot.initrd.kernelModules = [ "amdgpu" ];
-  
-  services.xserver.videoDrivers = [ "amdgpu" ];
+{ pkgs, ... }: {  
+  environment.systemPackages = with pkgs; [
+    glxinfo
+    clinfo
+    virtualglLib
+    vulkan-loader
+    vulkan-tools
+  ];
 }

nixos/hosts/retrobox/.target

@@ -0,0 +1 @@
+root@10.100.0.94

nixos/hosts/retrobox/default.nix

@@ -0,0 +1,32 @@
+{ pkgs, ... }: {
+  imports = [
+    ./hardware-configuration.nix
+    ../../client-lite.nix
+
+    ../../features/dns-cache.nix
+    ../../features/nas0.nix
+    ../../features/xfce.nix
+    ../../features/sound
+    ../../features/tailscale.nix
+    ../../features/telemetry
+    ../../features/wifi.nix
+  ];
+
+  home-manager.users.noe = import ../../../home-manager/noe/hosts/retrobox.nix;
+
+  networking.hostName = "retrobox";
+  system.stateVersion = "25.05";
+
+  internal.nas0.useSMB = true;
+
+  hardware.enableRedistributableFirmware = true;
+
+  boot = {
+    # kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
+    initrd.availableKernelModules = [ "xhci_pci" "usbhid" "usb_storage" ];
+    loader = {
+      grub.enable = false;
+      generic-extlinux-compatible.enable = true;
+    };
+  };
+}

nixos/hosts/retrobox/hardware-configuration.nix

@@ -0,0 +1,33 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "usbhid" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.end0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlan0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+}

nixos/hosts/unicorn/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, config, ... }: {
+{ pkgs, config, inputs, ... }: {
   imports = [
     ./hardware-configuration.nix
     ../../client.nix
@@ -14,6 +14,13 @@
     ../../features/tailscale.nix
     ../../features/telemetry
     ../../features/wifi.nix
+
+    inputs.nixos-hardware.nixosModules.common-cpu-amd
+    inputs.nixos-hardware.nixosModules.common-gpu-amd
+    inputs.nixos-hardware.nixosModules.common-gpu-nvidia # prime
+    inputs.nixos-hardware.nixosModules.common-pc-laptop
+    inputs.nixos-hardware.nixosModules.common-pc-laptop-ssd
+    inputs.nixos-hardware.nixosModules.common-hidpi
   ];
 
   home-manager.users.noe = import ../../../home-manager/noe/hosts/unicorn.nix;
@@ -24,4 +31,22 @@
   internal.nas0.useSMB = true;
 
   boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  hardware.nvidia.open = false;
+  hardware.nvidia.modesetting.enable = true;
+  hardware.nvidia.prime = {
+    offload = {
+      enable = true;
+      enableOffloadCmd = true;
+    };
+    amdgpuBusId = "PCI:5:0:0";
+    nvidiaBusId = "PCI:1:0:0";
+  };
+
+  environment.systemPackages = with pkgs; [
+    openrgb
+  ];
+
+    # √(2560² + 1600²) px / 16 in ≃ 189 dpi
+  services.xserver.dpi = 189;
 }