// SPDX-License-Identifier: GPL-2.0-or-later
/*
*  Support for Digigram AlpX PCI-e boards
*
*  Copyright (c) 2024 Digigram Digital (info@digigram.com)
*/

#include <linux/version.h>
#include <linux/module.h>


/* Defined an exported symbol to allow dependency use */
const char* SND_ALPX_XDMA_DEP(void)
{
    return "snd_alpx_xdma support";
}
EXPORT_SYMBOL(SND_ALPX_XDMA_DEP);


/*
 * Use the in-kernel driver if enabled and recent enough. Otherwise, use the
 * mainline kernel driver backported locally and improved with cyclic transfers
 * support (6.7 code)
 */
#if IS_ENABLED(CONFIG_XILINX_XDMA) && (KERNEL_VERSION(6, 7, 0) <= LINUX_VERSION_CODE)
    /* EMPTY MODULE !!! */
    #include "alpx_version.h"
    #warning "Use Kernel's XDMA"

    /* MODULE meta required for build only */
    MODULE_DESCRIPTION("AlpX XDMA support module placeholder");
    MODULE_AUTHOR("Digigram Digital");
    MODULE_VERSION("ALPX_MODULE_VERSION");
    MODULE_LICENSE("GPL");

#else
/* Need our module BUT with the right version !! */
    #if KERNEL_VERSION(6, 3, 0) > LINUX_VERSION_CODE

    #warning 6.2
    #include "core/generic/6.2/xilinx/xdma.c"

    #elif KERNEL_VERSION(6, 7, 0) > LINUX_VERSION_CODE

    #warning 6.3
    #include "core/generic/6.3/xilinx/xdma.c"

    #endif
#endif /* IS_ENABLED(CONFIG_XILINX_XDMA) && (KERNEL_VERSION(6, 7, 0) >= LINUX_VERSION_CODE) */