gpd/pocket-4: add firmware blobs for GPU, wifi, bluetooth

Fixes wifi and dmesg errors for people not using nixos-generate-config.

Author: miangraham

gpd/pocket-4/default.nix

@@ -11,6 +11,11 @@ in
     ../../common/hidpi.nix
   ];
 
+  # Add firmware blobs for GPU, wifi, bluetooth.
+  # Non-required amdgpu/isp_4_1_0.bin still fails with no impact on usage.
+  # Kernel fix coming in https://github.com/torvalds/linux/commit/ea5d49349894a7a74ce8dba242e3a487d24b6c0e
+  hardware.firmware = [(import ./firmware.nix { inherit pkgs; })];
+
   boot = {
     # As of kernel version 6.6.72, amdgpu throws a fatal error during init, resulting in a barely-working display
     kernelPackages = mkIf (lib.versionOlder pkgs.linux.version "6.12") pkgs.linuxPackages_latest;

gpd/pocket-4/firmware.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+let
+  lfw = "${pkgs.linux-firmware}/lib/firmware";
+in
+pkgs.stdenv.mkDerivation {
+  name = "gpd-pocket-4-firmware";
+  phases = [ "installPhase" ];
+  # Wide net for amdgpu/amdtee to support non-370 CPU models I can't test.
+  installPhase = ''
+    mkdir -p $out/lib/firmware/intel $out/lib/firmware/rtl_nic
+    cp -r \
+      ${lfw}/amdgpu \
+      ${lfw}/amdtee \
+      ${lfw}/iwlwifi-ty-a0-gf-a0* \
+      $out/lib/firmware/
+    cp ${lfw}/intel/ibt-0041-0041.sfi $out/lib/firmware/intel/
+    cp ${lfw}/rtl_nic/rtl8125b-2.fw $out/lib/firmware/rtl_nic/
+  '';
+}