1/* $NetBSD: tc_dma.c,v 1.12 2009/03/18 10:22:23 cegger Exp $ */
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
34
35__KERNEL_RCSID(0, "$NetBSD: tc_dma.c,v 1.12 2009/03/18 10:22:23 cegger Exp $");
36
37#include <sys/param.h>
38#include <sys/device.h>
39
40#define _ALPHA_BUS_DMA_PRIVATE
41#include <sys/bus.h>
42
43#include <dev/tc/tcvar.h>
44
45struct alpha_bus_dma_tag tc_dmat_direct = {
46	NULL,				/* _cookie */
47	0,				/* _wbase */
48	0,				/* _wsize */
49	NULL,				/* _next_window */
50	0,				/* _boundary */
51	NULL,				/* _sgmap */
52	0,				/* _pfthresh */
53	NULL,				/* _get_tag */
54	_bus_dmamap_create,
55	_bus_dmamap_destroy,
56	_bus_dmamap_load_direct,
57	_bus_dmamap_load_mbuf_direct,
58	_bus_dmamap_load_uio_direct,
59	_bus_dmamap_load_raw_direct,
60	_bus_dmamap_unload,
61	_bus_dmamap_sync,
62	_bus_dmamem_alloc,
63	_bus_dmamem_free,
64	_bus_dmamem_map,
65	_bus_dmamem_unmap,
66	_bus_dmamem_mmap,
67};
68
69void
70tc_dma_init(void)
71{
72
73	/* XXX XXX BEGIN XXX XXX */
74	{							/* XXX */
75		extern paddr_t alpha_XXX_dmamap_or;		/* XXX */
76		alpha_XXX_dmamap_or = 0;			/* XXX */
77	}							/* XXX */
78	/* XXX XXX END XXX XXX */
79}
80