From 08297376a85a1719518507e54fca9de954d2376a Mon Sep 17 00:00:00 2001
From: Petri Hienonen <petri.hienonen@gmail.com>
Date: Thu, 23 May 2024 13:56:00 +0300
Subject: Agenix configuration

---
 hosts/saarni/hardware-configuration.nix | 81 +++++++++++++++++++++++----------
 1 file changed, 58 insertions(+), 23 deletions(-)

(limited to 'hosts/saarni/hardware-configuration.nix')

diff --git a/hosts/saarni/hardware-configuration.nix b/hosts/saarni/hardware-configuration.nix
index 6aef572..798aa7b 100644
--- a/hosts/saarni/hardware-configuration.nix
+++ b/hosts/saarni/hardware-configuration.nix
@@ -1,37 +1,72 @@
 # 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") ];
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/3968a07a-5e37-4bdb-9e3a-6c74950fd03d";
-      fsType = "ext4";
+  boot = {
+    kernelPackages = pkgs.linuxPackages_zen;
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "thunderbolt"
+        "nvme"
+        "usb_storage"
+        "sd_mod"
+        "i915"
+        "cdc_acm"
+      ];
     };
+    kernelModules = [
+      "kvm-intel"
+      "iwlwifi"
+      "iwldvm"
+      "snd_hda_intel"
+      "snd_soc_avs"
+      "snd_sof_pci_intel_tgl"
+      "tcp_bbr"
+    ];
+    extraModulePackages = [ ];
+    kernelParams = [
+      "default_hugepagesz=2M"
+      "i915.enable_guc=3"
+      "i915.fastboot=1"
+      "mitigations=off"
+      "nospectre_v2"
+      "snd-intel-dspcfg.dsp_driver=3"
+      "transparent_hugepage=always"
+      "usbcore.blinkenlights=1"
+    ];
+    extraModprobeConfig = ''
+      options snd_hda_intel enable=0,1
+    '';
+  };
 
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/9B7E-3D1B";
-      fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/3968a07a-5e37-4bdb-9e3a-6c74950fd03d";
+    fsType = "ext4";
+  };
 
-  swapDevices = [ ];
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/9B7E-3D1B";
+    fsType = "vfat";
+    options = [
+      "fmask=0022"
+      "dmask=0022"
+    ];
+  };
 
-  # 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.wlan0.useDHCP = lib.mkDefault true;
+  hardware.firmware = [ pkgs.sof-firmware ];
 
+  swapDevices = [ ];
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
-- 
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