1 /* $OpenBSD: tc_dma.c,v 1.4 2009/02/01 14:34:02 miod Exp $ */
2 /* $NetBSD: tc_dma.c,v 1.10 2001/07/19 06:40:02 thorpej Exp $ */
3
4 /*-
5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #define _ALPHA_BUS_DMA_PRIVATE
35
36 #include <sys/param.h>
37 #include <sys/device.h>
38
39 #include <machine/bus.h>
40
41 #include <dev/tc/tcvar.h>
42
43 struct alpha_bus_dma_tag tc_dmat_direct = {
44 NULL, /* _cookie */
45 0, /* _wbase */
46 0, /* _wsize */
47 NULL, /* _next_window */
48 0, /* _boundary */
49 NULL, /* _sgmap */
50 NULL, /* _get_tag */
51 _bus_dmamap_create,
52 _bus_dmamap_destroy,
53 _bus_dmamap_load_direct,
54 _bus_dmamap_load_mbuf_direct,
55 _bus_dmamap_load_uio_direct,
56 _bus_dmamap_load_raw_direct,
57 _bus_dmamap_unload,
58 _bus_dmamap_sync,
59 _bus_dmamem_alloc,
60 _bus_dmamem_free,
61 _bus_dmamem_map,
62 _bus_dmamem_unmap,
63 _bus_dmamem_mmap,
64 };
65
66 void
tc_dma_init()67 tc_dma_init()
68 {
69
70 /* XXX XXX BEGIN XXX XXX */
71 { /* XXX */
72 extern paddr_t alpha_XXX_dmamap_or; /* XXX */
73 alpha_XXX_dmamap_or = 0; /* XXX */
74 } /* XXX */
75 /* XXX XXX END XXX XXX */
76 }
77