From 3b6adf36edc04c9ee19f8b6ceaa21847548e5684 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 27 Oct 2025 10:19:08 +0100
Subject: Update, tweak athena

---
 flake.lock                        |  6 ++---
 host/hardware/athena.nix          | 46 ++++++++++++++++++++++++++++++++++-----
 host/software/desktop/default.nix |  1 +
 3 files changed, 45 insertions(+), 8 deletions(-)

diff --git a/flake.lock b/flake.lock
index 1a989ed..62b0bb4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1756469547,
-        "narHash": "sha256-YvtD2E7MYsQ3r7K9K2G7nCslCKMPShoSEAtbjHLtH0k=",
+        "lastModified": 1761173472,
+        "narHash": "sha256-m9W0dYXflzeGgKNravKJvTMR4Qqa2MVD11AwlGMufeE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "41d292bfc37309790f70f4c120b79280ce40af16",
+        "rev": "c8aa8cc00a5cb57fada0851a038d35c08a36a2bb",
         "type": "github"
       },
       "original": {
diff --git a/host/hardware/athena.nix b/host/hardware/athena.nix
index 824f5aa..1628202 100644
--- a/host/hardware/athena.nix
+++ b/host/hardware/athena.nix
@@ -1,14 +1,38 @@
 { config, lib, pkgs, modulesPath, ... }:
 
-{
+let
+  ivsc-firmware = with pkgs;
+    stdenv.mkDerivation rec {
+      pname = "ivsc-firmware";
+      version = "main";
+
+      src = pkgs.fetchFromGitHub {
+        owner = "intel";
+        repo = "ivsc-firmware";
+        rev = "10c214fea5560060d387fbd2fb8a1af329cb6232";
+        sha256 = "sha256-kEoA0yeGXuuB+jlMIhNm+SBljH+Ru7zt3PzGb+EPBPw=";
+
+      };
+
+      installPhase = ''
+        mkdir -p $out/lib/firmware/vsc/soc_a1_prod
+
+        cp firmware/ivsc_pkg_ovti01a0_0.bin $out/lib/firmware/vsc/soc_a1_prod/ivsc_pkg_ovti01a0_0_a1_prod.bin
+        cp firmware/ivsc_skucfg_ovti01a0_0_1.bin $out/lib/firmware/vsc/soc_a1_prod/ivsc_skucfg_ovti01a0_0_1_a1_prod.bin
+        cp firmware/ivsc_fw.bin $out/lib/firmware/vsc/soc_a1_prod/ivsc_fw_a1_prod.bin
+      '';
+    };
+in {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
+  hardware.enableRedistributableFirmware = true;
+
   boot = {
-    initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "vmd" "nvme" "usb_storage" "sd_mod" ];
+    initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "vmd" "nvme" "usb_storage" "sd_mod" "i915" ];
     initrd.kernelModules = [ "dm-snapshot" ];
     kernelModules = [ "kvm-intel" "fuse" "uinput" ];
     extraModulePackages = [ ];
-    kernelParams = [ "nvidia-drm.modeset=1" ];
+    kernelParams = [ "nvidia-drm.modeset=1" "mem_sleep_default=deep" "i915.enable_psr=0" ];
 
     loader = {
       systemd-boot.enable = true;
@@ -44,6 +68,18 @@
 
   networking.useDHCP = lib.mkDefault true;
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-  hardware.ipu6 = { enable = true; platform = "ipu6ep"; };
+  hardware.cpu.intel.updateMicrocode = true;
+
+  hardware.ipu6 = {
+    enable = true;
+    platform = "ipu6ep";
+  };
+
+  hardware.firmware = [
+    ivsc-firmware
+  ];
+
+  environment.systemPackages = with pkgs; [
+    v4l-utils
+  ];
 }
diff --git a/host/software/desktop/default.nix b/host/software/desktop/default.nix
index 615534f..3091bb1 100644
--- a/host/software/desktop/default.nix
+++ b/host/software/desktop/default.nix
@@ -43,6 +43,7 @@
 
   environment.systemPackages = with pkgs; [
     ntfs3g
+    cacert.unbundled
   ];
 
   programs.i3lock.enable = true;
-- 
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