From b5232c4a88a2919c8f6ce9ffccc59c4bc6dc776a Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Fri, 13 Nov 2020 19:44:30 +0100
Subject: [PATCH] Add new bluetooth dongle firmware.

---
 archachatina.nix |  1 +
 rtl8761b.nix     | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 rtl8761b.nix

diff --git a/archachatina.nix b/archachatina.nix
index 71723ff..4433b1b 100644
--- a/archachatina.nix
+++ b/archachatina.nix
@@ -12,6 +12,7 @@
       ./qemu-user.nix
       ./atmega.nix
       ./v4l2loopback.nix
+      ./rtl8761b.nix
     ];
 
   environment.etc."lvm/lvm.conf".text = ''
diff --git a/rtl8761b.nix b/rtl8761b.nix
new file mode 100644
index 0000000..5f3351a
--- /dev/null
+++ b/rtl8761b.nix
@@ -0,0 +1,27 @@
+{ config, pkgs, ... }:
+
+{
+
+  hardware.firmware = with pkgs; [ (stdenv.mkDerivation rec {
+    name = "rtl8761b-fw";
+
+    fw = fetchurl {
+      url = "https://github.com/Realtek-OpenSource/android_hardware_realtek/raw/e58b611f34f2f5ff57bb0d8cdf1b2e4751e3ccbd/bt/rtkbt/Firmware/BT/rtl8761b_fw";
+      sha256 = "0b59a1f2422c006837c4b5e46b59d49bfdbca1defb958adbbc0d57ebdc19cc82";
+    };
+    config = fetchurl {
+      url = "https://github.com/Realtek-OpenSource/android_hardware_realtek/raw/e58b611f34f2f5ff57bb0d8cdf1b2e4751e3ccbd/bt/rtkbt/Firmware/BT/rtl8761b_config";
+      sha256 = "aa86a092ee58e96256331d5c28c199ceaadec434460e98e7dea20e411e1aa570";
+    };
+
+    unpackPhase = ":";
+    buildPhase = ''
+      dn=$out/lib/firmware
+      mkdir -p $dn/rtl_bt
+      ln -s ${fw} $dn/rtl_bt/rtl8761b_fw.bin
+      ln -s ${config} $dn/rtl_bt/rtl8761b_config.bin
+    '';
+    installPhase = ":";
+  }) ];
+
+}