Add initial Steam Deck fongi

README.md

@@ -33,6 +33,7 @@ nix develop -c /etc/nixos/git/docs/setup.sh
 | quitman-rpi4      | Raspberry Pi at my parents house. Headscale Exit Node  | On Hold  |
 | bakersfield-rpi4  | Raspberry Pi at my brothers house. Headscale Exit Node | Complete |
 | nuc-server        | Second NUC server at my brothers house                 | On Hold  |
+| steamdeck         | Valve Steam Deck, handheld gaming console              | In Work  |
 
 # Images
 | Name              | Description                                     | Build Commands                                      |

flake.nix

@@ -47,6 +47,8 @@
     compose2nix.inputs.nixpkgs.follows = "nixpkgs";
     # Hyprland Flake
     hyprland.url = "github:hyprwm/Hyprland";
+    # Steam Deck configs for NixOS
+    jovain.url = "github:Jovian-Experiments/Jovian-NixOS"
   };
   outputs = { self, nixpkgs, nixpkgs-wayland, home-manager, lanzaboote, nur, sops-nix, doom-emacs, nixos-generators, deploy-rs, ... } @inputs:
   let
@@ -66,6 +68,7 @@
       piaware-rpi4     = libx.mkHost { hostname = "piaware-rpi4";     system = "aarch64-linux"; type = "small"; };
       quitman-rpi4     = libx.mkHost { hostname = "quitman-rpi4";     system = "aarch64-linux"; type = "small"; };
       bakersfield-rpi4 = libx.mkHost { hostname = "bakersfield-rpi4"; system = "aarch64-linux"; type = "small"; };
+      steamdeck        = libx.mkHost { hostname = "steamdeck"; unfree = true; desktop = "plasma6"; repo = "nixpkgs-unfree"; };
     };
     homeConfigurations = {
       "albert@osaka-linode-01"  = libx.mkHome { hostname = "osaka-linode-01";  type = "small"; };
@@ -78,6 +81,7 @@
       "albert@piaware-rpi4"     = libx.mkHome { hostname = "piaware-rpi4";     system = "aarch64-linux"; type = "small"; };
       "albert@quitman-rpi4"     = libx.mkHome { hostname = "quitman-rpi4";     system = "aarch64-linux"; type = "small"; };
       "albert@bakersfield-rpi4" = libx.mkHome { hostname = "bakersfield-rpi4"; system = "aarch64-linux"; type = "small"; };
+      "albert@steamdeck"        = libx.mkHome { hostname = "steamdeck"; desktop = "plasma6"; };
       # Containers 
       "albert@rdesktop"   = libx.mkHome { hostname = "rdesktop"; desktop = "xfce"; };
     };

home-manager/hosts/steamdeck/desktops/plasma6/default.nix

@@ -0,0 +1,3 @@
+{
+
+}

nixos/hosts/steamdeck/default.nix

@@ -0,0 +1,36 @@
+{ inputs, config, lib, username, pkgs, ... }: {
+  imports = [ 
+    inputs.jovian.nixosModules
+    ./disks.nix
+    ../../common/modules/boot.nix
+    ../../common/services/tailscale-autoconnect.nix
+  ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "thunderbolt" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" "acpi_call" ];
+  boot.extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
+
+  networking.useDHCP = lib.mkDefault true;
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+  hardware.cpu.amd.updateMicrocode =  lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  # Set your time zone.
+  time.timeZone = "Asia/Tokyo";
+  # Set the networking hostname:
+  networking.hostName = "steamdeck";
+
+  jovian = {
+    decky-loader.enable = true;
+    steam.enable = true;
+    steam.autoStart = true; 
+    steam.user = username;
+    steamos.useSteamOSConfig = true;
+    devices.steamdeck.enable = true;
+    hardwarhas.amd.gpu = true;
+  };
+  environment.systemPackages = with pkgs; [
+    jupiter-dock-updater-bin
+    steamdeck-firmware
+  ];
+}

nixos/hosts/steamdeck/disks.nix

@@ -0,0 +1,50 @@
+{
+  services.btrfs.autoScrub.enable = true;
+  services.btrfs.autoScrub.interval = "weekly";
+
+  disko.devices.disk.nvme0 = {
+    type = "disk";
+    device = "/dev/nvme0n1";
+    content = { 
+      type = "gpt";
+      partitions = { 
+        BOOT = {
+          priority = 1;
+          name = "BOOT";
+          start = "0%";
+          end = "550MiB";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            # https://github.com/nix-community/disko/issues/527 
+            mountOptions = [ "umask=0077" ];
+            mountpoint = "/boot";
+          };
+        }; # partition 1 (ESP)
+        ROOT = { 
+          start = "550MiB";
+          end = "100%";
+          content = {
+            type = "btrfs";
+            extraArgs = [ "-f" ];
+            subvolumes = {
+              "/root" = {
+                mountpoint = "/";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              }; # root
+              "/home" = {
+                mountpoint = "/home";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              }; # home
+              "/nix" = {
+                mountpoint = "/nix";
+                mountOptions = [ "compress=zstd" "noatime" ];
+              }; # nix
+            }; # subvolumes
+          }; # content
+        }; # partition 2 (/ BTRFS)
+      }; # partitions
+    }; # content
+  }; # disko.devices.disk.nvme0
+} # root