push sheeet

pkgs/os-specific/linux/ax99100/default.nix

@@ -0,0 +1,65 @@
+{
+  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.gpl2Plus;
+    platforms = lib.platforms.linux;
+
+    # Older Linux versions need more patches to work.
+    broken = lib.versionOlder kernel.version "5.4.0";
+  };
+}

pkgs/os-specific/linux/ax99100/kernel-5.18-pci_free_consistent-pci_alloc_consistent.patch

@@ -0,0 +1,14 @@
+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 */

pkgs/os-specific/linux/ax99100/kernel-6.1-set_termios-const-ktermios.patch

@@ -0,0 +1,18 @@
+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
+ {

pkgs/os-specific/linux/ax99100/kernel-6.2-fix-pointer-type.patch

@@ -0,0 +1,11 @@
+--- 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));
+ }

pkgs/os-specific/linux/ax99100/kernel-6.4-fix-define-semaphore.patch

@@ -0,0 +1,14 @@
+--- 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 = {