nixos/hardware/ipu6: init

1 files changed, 57 insertions, 0 deletions

diff --git a/nixos/modules/hardware/video/webcam/ipu6.nix b/nixos/modules/hardware/video/webcam/ipu6.nix
new file mode 100644
index 0000000000000..8a9b88f9e5502
--- /dev/null
+++ b/nixos/modules/hardware/video/webcam/ipu6.nix
@@ -0,0 +1,57 @@
+{ config, lib, pkgs, ... }:
+let
+
+  inherit (lib) mkDefault mkEnableOption mkIf mkOption optional types;
+
+  cfg = config.hardware.ipu6;
+
+in
+{
+
+  options.hardware.ipu6 = {
+
+    enable = mkEnableOption (lib.mdDoc "ipu6 kernel module");
+
+    platform = mkOption {
+      type = types.enum [ "ipu6" "ipu6ep" ];
+      description = lib.mdDoc ''
+        Choose the version for your hardware platform.
+
+        Use `ipu6` for Tiger Lake and `ipu6ep` for Alder Lake respectively.
+      '';
+    };
+
+  };
+
+  config = mkIf cfg.enable {
+
+    boot.extraModulePackages = with config.boot.kernelPackages; [
+      ipu6-drivers
+    ];
+
+    hardware.firmware = with pkgs; [ ]
+      ++ optional (cfg.platform == "ipu6") ipu6-camera-bin
+      ++ optional (cfg.platform == "ipu6ep") ipu6ep-camera-bin;
+
+    services.udev.extraRules = ''
+      SUBSYSTEM=="intel-ipu6-psys", MODE="0660", GROUP="video"
+    '';
+
+    services.v4l2-relayd.instances.ipu6 = {
+      enable = mkDefault true;
+
+      cardLabel = mkDefault "Intel MIPI Camera";
+
+      extraPackages = with pkgs.gst_all_1; [ ]
+        ++ optional (cfg.platform == "ipu6") icamerasrc-ipu6
+        ++ optional (cfg.platform == "ipu6ep") icamerasrc-ipu6ep;
+
+      input = {
+        pipeline = "icamerasrc";
+        format = mkIf (cfg.platform == "ipu6ep") (mkDefault "NV12");
+      };
+    };
+
+  };
+
+}