xmm7360-pci: init at untable-20210802

Kernel module and tools, NixOS module coming soon.

default.nix

@@ -24,4 +24,10 @@ in rec {
 
   vivaldi = callPackage ./pkgs/vivaldi { };
 
+} // optionalAttrs (builtins.elem pkgs.system pkgs.lib.platforms.linux) rec {
+
+  xmm7360-pci = callPackage ./pkgs/xmm7360-pci { kernel = pkgs.linux; };
+
+  xmm7360-pci-tools = callPackage ./pkgs/xmm7360-pci/tools.nix { inherit xmm7360-pci; };
+
 }

flake.nix

@@ -44,6 +44,11 @@
           ryzen_smu
           vivaldi
           ;
+      } // prev.lib.optionalAttrs (builtins.elem prev.system prev.lib.platforms.linux) rec {
+        inherit (localPkgs)
+          xmm7360-pci
+          xmm7360-pci-tools
+          ;
       };
 
   };

pkgs/xmm7360-pci/default.nix

@@ -0,0 +1,33 @@
+{ lib, fetchFromGitHub, kernel }:
+
+kernel.stdenv.mkDerivation rec {
+  pname = "xmm7360-pci";
+  version = "unstable-20210802";
+
+  src = fetchFromGitHub {
+    owner = "xmm7360";
+    repo = pname;
+    rev = "b28714b6fb73887ecd5c0c25ffc0613d6eab6533";
+    sha256 = "sha256-wNSQZvPL297pTAVT9Hj4IgcsHSc7KVNe7K0raS0bObg=";
+  };
+
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  patches = [ ./fix.patch ];
+
+  makeFlags = [
+    "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+  ];
+
+  installPhase = ''
+    install -m0644 -D xmm7360.ko $out/lib/modules/${kernel.modDirVersion}/misc/xmm7360.ko
+  '';
+
+  meta = with lib; {
+    description = "PCI driver for Fibocom L850-GL modem base on Intel XMM7360 modem";
+    homepage = src.meta.homepage;
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ aw ];
+    platforms = platforms.linux;
+  };
+}

pkgs/xmm7360-pci/fix.patch

@@ -0,0 +1,13 @@
+diff --git a/xmm7360.c b/xmm7360.c
+index ccd149d..acc7fea 100644
+--- a/xmm7360.c
++++ b/xmm7360.c
+@@ -1272,7 +1272,7 @@ static int xmm7360_tty_write(struct tty_struct *tty,
+ 	return written;
+ }
+ 
+-static int xmm7360_tty_write_room(struct tty_struct *tty)
++static unsigned int xmm7360_tty_write_room(struct tty_struct *tty)
+ {
+ 	struct queue_pair *qp = tty->driver_data;
+ 	if (!xmm7360_qp_can_write(qp))

pkgs/xmm7360-pci/tools.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, xmm7360-pci, python3Packages, makeWrapper }:
+
+let
+  inherit (xmm7360-pci) pname version src;
+
+  pythonPath = with python3Packages; makePythonPath [
+    python
+    configargparse
+    dbus-python
+    pyroute2
+  ];
+
+in stdenv.mkDerivation {
+  pname = "${pname}-tools";
+  inherit version src;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildInputs = [ python3Packages.python ];
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/lib
+    cp -a rpc/* $out/lib
+
+    pushd $out/lib
+    find . -executable -type f | while read file; do
+      makeWrapper ${python3Packages.python.interpreter} $out/bin/''${file%.py} \
+        --add-flags "$out/lib/''${file}" \
+        --prefix NIX_PYTHONPATH : "${pythonPath}"
+     done
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = xmm7360-pci.meta.description + " (tools)";
+    homepage = src.meta.homepage;
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ aw ];
+    platforms = platforms.linux;
+  };
+}