1 files changed, 57 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/bbswitch/default.nix b/nixpkgs/pkgs/os-specific/linux/bbswitch/default.nix
new file mode 100644
index 000000000000..f5d3b4f5c4e1
--- /dev/null
+++ b/nixpkgs/pkgs/os-specific/linux/bbswitch/default.nix
@@ -0,0 +1,57 @@
+{ stdenv, fetchurl, fetchpatch, kernel }:
+
+let
+  baseName = "bbswitch";
+  version = "0.8";
+  name = "${baseName}-${version}-${kernel.version}";
+
+in
+
+stdenv.mkDerivation {
+  inherit name;
+
+  src = fetchurl {
+    url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
+    sha256 = "0xql1nv8dafnrcg54f3jsi3ny3cd2ca9iv73pxpgxd2gfczvvjkn";
+  };
+
+  patches = [ (fetchpatch {
+    url = "https://github.com/Bumblebee-Project/bbswitch/pull/102.patch";
+    sha256 = "1lbr6pyyby4k9rn2ry5qc38kc738d0442jhhq57vmdjb6hxjya7m";
+  }) ];
+
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  hardeningDisable = [ "pic" ];
+
+  preBuild = ''
+    substituteInPlace Makefile \
+      --replace "\$(shell uname -r)" "${kernel.modDirVersion}" \
+      --replace "/lib/modules" "${kernel.dev}/lib/modules"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib/modules/${kernel.modDirVersion}/misc
+    cp bbswitch.ko $out/lib/modules/${kernel.modDirVersion}/misc
+
+    mkdir -p $out/bin
+    tee $out/bin/discrete_vga_poweroff << EOF
+    #!/bin/sh
+
+    echo -n OFF > /proc/acpi/bbswitch
+    EOF
+    tee $out/bin/discrete_vga_poweron << EOF
+    #!/bin/sh
+
+    echo -n ON > /proc/acpi/bbswitch
+    EOF
+    chmod +x $out/bin/discrete_vga_poweroff $out/bin/discrete_vga_poweron
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A module for powering off hybrid GPUs";
+    platforms = [ "x86_64-linux" "i686-linux" ];
+    homepage = https://github.com/Bumblebee-Project/bbswitch;
+    maintainers = with maintainers; [ abbradar ];
+  };
+}