/* $OpenBSD: tc_dma.c,v 1.5 2025/06/28 16:04:10 miod Exp $ */
/* $NetBSD: tc_dma.c,v 1.10 2001/07/19 06:40:02 thorpej Exp $ */

/*-
 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
 * NASA Ames Research Center.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#define _ALPHA_BUS_DMA_PRIVATE

#include <sys/param.h>
#include <sys/device.h>

#include <machine/bus.h>

#include <dev/tc/tcvar.h>

struct alpha_bus_dma_tag tc_dmat_direct = {
        NULL,                           /* _cookie */
        0,                              /* _wbase */
        0,                              /* _wsize */
        NULL,                           /* _next_window */
        0,                              /* _boundary */
        NULL,                           /* _sgmap */
        NULL,                           /* _get_tag */
        _bus_dmamap_create,
        _bus_dmamap_destroy,
        _bus_dmamap_load_direct,
        _bus_dmamap_load_mbuf_direct,
        _bus_dmamap_load_uio_direct,
        _bus_dmamap_load_raw_direct,
        _bus_dmamap_unload,
        _bus_dmamap_sync,
        _bus_dmamem_alloc,
        _bus_dmamem_free,
        _bus_dmamem_map,
        _bus_dmamem_unmap,
        _bus_dmamem_mmap,
};

void
tc_dma_init(void)
{

        /* XXX XXX BEGIN XXX XXX */
        {                                                       /* XXX */
                extern paddr_t alpha_XXX_dmamap_or;             /* XXX */
                alpha_XXX_dmamap_or = 0;                        /* XXX */
        }                                                       /* XXX */
        /* XXX XXX END XXX XXX */
}