ax99100: 1.8.0 -> 2.3.0 (#459500)

{

  kernel,

  kernelModuleMakeFlags,

  stdenv,

  kmod,

  lib,

stdenv.mkDerivation {

  pname = "ax99100";

  version = "1.8.0";

  version = "2.3.0";

  nativeBuildInputs = [

    dos2unix

  ++ kernel.moduleBuildDependencies;

  src = fetchzip {

    url = "https://www.asix.com.tw/en/support/download/file/1229";

    sha256 = "1rbp1m01qr6b3nbr72vpbw89pjh8mddc60im78z2yjd951xkbcjh";

    url = "https://www.asix.com.tw/en/support/download/file/1956";

    sha256 = "sha256-acvKb+ohOFrfytgHp9KUVivqDRvgsFgK8bxxHkIh8PU=";

    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'" ];

  makeFlags = kernelModuleMakeFlags ++ [ "KDIR='${kernel.dev}/lib/modules/${kernel.modDirVersion}'" ];

  installPhase = ''

    mkdir -p $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/tty/serial

    cp ax99100.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/tty/serial

    cp ax99100x.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/tty/serial

  '';

  meta = {

    platforms = lib.platforms.linux;

    # Older Linux versions need more patches to work.

    broken = lib.versionOlder kernel.version "5.4.0";

    # Newer Linux versions switched from a ring buffer to fifo for serial,

    # which would require a lot of patching: see Linux commit https://github.com/torvalds/linux/commit/1788cf6a91d9fa9aa61fc2917afe192c23d67f6a.

    broken = (kernel.kernelOlder "5.4.0") || (kernel.kernelAtLeast "6.10");

  };

}

diff -pNaru5 a/ax99100_sp.h b/ax99100_sp.h

--- ax99100_sp.h	2022-06-07 16:55:26.621034945 -0400

+++ ax99100_sp.h	2022-06-07 16:58:32.488989767 -0400

@@ -255,5 +255,10 @@ struct custom_eeprom {

 #define _INLINE_

 #endif

 #define DEFAULT99100_BAUD 115200

 #endif

+

+/* #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,18,0) */

+#define pci_alloc_consistent(hwdev,size,dma_handle) dma_alloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC)

+#define pci_free_consistent(hwdev,size,vaddr,dma_handle) dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle)

+/* #endif */

diff -pNaru5 a/ax99100_sp.c b/ax99100_sp.c

--- ax99100_sp.c	2023-01-02 23:44:46.707423858 -0500

+++ ax99100_sp.c	2023-01-02 23:44:27.171293092 -0500

@@ -1915,11 +1915,13 @@ static unsigned int serial99100_get_divi

 	DEBUG("In %s quot=%u----baud=%u-----------------------------END\n",__FUNCTION__,quot,baud);

 	return quot;	

 }

 //This is a port ops function to set the terminal settings.

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)

+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)

+static void serial99100_set_termios(struct uart_port *port, struct ktermios *termios, const struct ktermios *old)

+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)

 static void serial99100_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old)

 #else

 static void serial99100_set_termios(struct uart_port *port, struct termios *termios, struct termios *old)

 #endif

 {

--- ax99100_spi.c

+++ ax99100_spi.c

@@ -76,7 +76,7 @@ int spi_suspend_count;

 static unsigned int spi_major = 241;

 static unsigned int spi_min_count = 0;

 /* device Class */

-static char *ax_devnode(struct device *dev, umode_t *mode)

+static char *ax_devnode(const struct device *dev, umode_t *mode)

 {

 	return kasprintf(GFP_KERNEL, "%s", dev_name(dev));

 }

--- ax99100_sp.c

+++ ax99100_sp.c

@@ -2670,8 +2670,10 @@ static void serial99100_dma_tx_tasklet (unsigned long param)

 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)

 static DECLARE_MUTEX(serial99100_sem);

-#else

+#elif LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0)

 static DEFINE_SEMAPHORE(serial99100_sem);

+#else

+static DEFINE_SEMAPHORE(serial99100_sem, 1);

 #endif

 static struct uart_driver starex_serial_driver = {