Annotation of sys/arch/alpha/tc/tc_dma.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: tc_dma.c,v 1.2 2006/04/04 21:20:40 brad 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: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
40:
41: #define _ALPHA_BUS_DMA_PRIVATE
42:
43: #include <sys/param.h>
44: #include <sys/device.h>
45:
46: #include <machine/bus.h>
47:
48: #include <dev/tc/tcvar.h>
49:
50: struct alpha_bus_dma_tag tc_dmat_direct = {
51: NULL, /* _cookie */
52: 0, /* _wbase */
53: 0, /* _wsize */
54: NULL, /* _next_window */
55: 0, /* _boundary */
56: NULL, /* _sgmap */
57: 0, /* _pfthresh */
58: NULL, /* _get_tag */
59: _bus_dmamap_create,
60: _bus_dmamap_destroy,
61: _bus_dmamap_load_direct,
62: _bus_dmamap_load_mbuf_direct,
63: _bus_dmamap_load_uio_direct,
64: _bus_dmamap_load_raw_direct,
65: _bus_dmamap_unload,
66: _bus_dmamap_sync,
67: _bus_dmamem_alloc,
68: _bus_dmamem_free,
69: _bus_dmamem_map,
70: _bus_dmamem_unmap,
71: _bus_dmamem_mmap,
72: };
73:
74: void
75: tc_dma_init()
76: {
77:
78: /* XXX XXX BEGIN XXX XXX */
79: { /* XXX */
80: extern paddr_t alpha_XXX_dmamap_or; /* XXX */
81: alpha_XXX_dmamap_or = 0; /* XXX */
82: } /* XXX */
83: /* XXX XXX END XXX XXX */
84: }
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