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{ kernel, stdenv, kmod, lib, fetchzip, dos2unix }:
stdenv.mkDerivation {
pname = "ax99100";
version = "1.8.0";
nativeBuildInputs = [ dos2unix kmod ] ++ kernel.moduleBuildDependencies;
src = fetchzip {
url = "https://www.asix.com.tw/en/support/download/file/1229";
sha256 = "1rbp1m01qr6b3nbr72vpbw89pjh8mddc60im78z2yjd951xkbcjh";
extension = "tar.bz2";
};
prePatch = ''
# The sources come with Windows file endings and that makes
# applying patches hard without first fixing the line endings.
dos2unix *.c *.h
'';
# The patches are adapted from: https://aur.archlinux.org/packages/asix-ax99100
#
# We included them here instead of fetching them, because of line
# ending issues that are easier to fix manually. Also the
# set_termios patch needs to be applied for 6.1 not for 6.0.
patches = [
./kernel-5.18-pci_free_consistent-pci_alloc_consistent.patch
./kernel-6.1-set_termios-const-ktermios.patch
] ++ lib.optionals (lib.versionAtLeast kernel.version "6.2") [
./kernel-6.2-fix-pointer-type.patch
./kernel-6.4-fix-define-semaphore.patch
];
patchFlags = [ "-p0" ];
makeFlags = [ "KDIR='${kernel.dev}/lib/modules/${kernel.modDirVersion}/build'" ];
installPhase = ''
mkdir -p $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/tty/serial
cp ax99100.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/tty/serial
'';
meta = {
description = "ASIX AX99100 Serial and Parallel Port driver";
homepage = "https://www.asix.com.tw/en/product/Interface/PCIe_Bridge/AX99100";
# According to the source code in the tarball, the license is gpl2.
license = lib.licenses.gpl2;
platforms = lib.platforms.linux;
# Older Linux versions need more patches to work.
broken = lib.versionOlder kernel.version "5.4.0";
};
}
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