rtl8723bs-firmware: init, split off from rtl8723bs

nixos/modules/hardware/all-firmware.nix

···
   ###### implementation
 
   config = mkIf config.hardware.enableAllFirmware {
-    hardware.firmware = [ pkgs.firmwareLinuxNonfree pkgs.intel2200BGFirmware ];
+    hardware.firmware = with pkgs; [
+      firmwareLinuxNonfree
+      intel2200BGFirmware
+      rtl8723bs-firmware
+    ];
   };
 
 }

pkgs/os-specific/linux/firmware/rtl8723bs-firmware/default.nix

···
+{ stdenv, linuxPackages }:
+with stdenv.lib;
+stdenv.mkDerivation {
+  name = "rtl8723bs-firmware-${linuxPackages.rtl8723bs.rev}";
+  inherit (linuxPackages.rtl8723bs) src;
+
+  phases = [ "unpackPhase" "installPhase" ];
+
+  installPhase = ''
+    mkdir -p                "$out/lib/firmware/rtlwifi"
+    cp rtl8723bs_nic.bin    "$out/lib/firmware/rtlwifi"
+    cp rtl8723bs_wowlan.bin "$out/lib/firmware/rtlwifi"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Firmware for RealTek 8723bs";
+    homepage = https://github.com/hadess/rtl8723bs;
+    license = licenses.unfreeRedistributableFirmware;
+    maintainers = with maintainers; [ elitak ];
+  };
+}

pkgs/os-specific/linux/rtl8723bs/default.nix

···
     mkdir -p      $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/net/wireless
     cp r8723bs.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/net/wireless
 
-    mkdir -p                "$out/lib/firmware/rtlwifi"
-    cp rtl8723bs_nic.bin    "$out/lib/firmware/rtlwifi"
-    cp rtl8723bs_wowlan.bin "$out/lib/firmware/rtlwifi"
-
     nuke-refs $(find $out -name "*.ko")
   '';
 

pkgs/top-level/all-packages.nix

···
 
   rt5677-firmware = callPackage ../os-specific/linux/firmware/rt5677 { };
 
+  rtl8723bs-firmware = callPackage ../os-specific/linux/firmware/rtl8723bs-firmware { };
+
   s3ql = callPackage ../tools/backup/s3ql { };
 
   sassc = callPackage ../development/tools/sassc { };