1 /* $NetBSD: tc_dma.c,v 1.15 2021/07/18 05:12:27 thorpej 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 1.15 2021/07/18 05:12:27 thorpej 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
45 struct 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, /* _sgmap_minalign */
53 0, /* _pfthresh */
54 NULL, /* _get_tag */
55 _bus_dmamap_create,
56 _bus_dmamap_destroy,
57 _bus_dmamap_load_direct,
58 _bus_dmamap_load_mbuf_direct,
59 _bus_dmamap_load_uio_direct,
60 _bus_dmamap_load_raw_direct,
61 _bus_dmamap_unload,
62 _bus_dmamap_sync,
63 _bus_dmamem_alloc,
64 _bus_dmamem_free,
65 _bus_dmamem_map,
66 _bus_dmamem_unmap,
67 _bus_dmamem_mmap,
68 };
69
70 void
tc_dma_init(void)71 tc_dma_init(void)
72 {
73 /* Nada. */
74 }
75