From 02abf4ed0131237c25e0a10db50fa4c41a902a50 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 14 Jul 2024 17:53:13 -0600
Subject: sys: final merge of dmz, hv into sys

---
 sys/hardware/thinkpad.nix | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 sys/hardware/thinkpad.nix

(limited to 'sys/hardware/thinkpad.nix')

diff --git a/sys/hardware/thinkpad.nix b/sys/hardware/thinkpad.nix
new file mode 100644
index 0000000..a65ffb2
--- /dev/null
+++ b/sys/hardware/thinkpad.nix
@@ -0,0 +1,38 @@
+{ config, lib, pkgs, ... }:
+with lib; let
+  cfg = config.local.hardware.thinkpad;
+in
+{
+  options.local.hardware.thinkpad = {
+    enable = mkEnableOption "Thinkpad hardware support";
+  };
+
+  config = mkIf cfg.enable {
+    # For suspending to RAM to work, set Config -> Power -> Sleep State to "Linux" in EFI.
+    # See https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Suspend_issues
+    # Fingerprint sensor requires a firmware-update to work.
+
+    boot = {
+      extraModulePackages = with config.boot.kernelPackages; [ acpi_call digimend ];
+      extraModprobeConfig = "options iwlwifi 11n_disable=1 wd_disable=1";
+
+      # acpi_call makes tlp work for newer thinkpads
+      kernelModules = [ "acpi_call" "digimend" ];
+
+      # Force use of the thinkpad_acpi driver for backlight control.
+      # This allows the backlight save/load systemd service to work.
+      kernelParams = [ "acpi_backlight=native" ];
+    };
+
+    hardware.firmware = [ pkgs.sof-firmware ];
+
+    local.hardware.laptop.enable = true;
+
+    services = {
+      fprintd.enable = true;
+      thinkfan.enable = true;
+      tlp.enable = true;
+      tp-auto-kbbl.enable = true;
+    };
+  };
+}
-- 
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