1 /*        $NetBSD: bus_dmamem_common.h,v 1.1 2012/10/02 23:39:43 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 1997, 1998, 2009 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 #ifndef _COMMON_BUS_DMAMEM_COMMON_H_
34 #define _COMMON_BUS_DMAMEM_COMMON_H_
35 
36 #include <sys/cdefs.h>                            /* RCS ID & Copyright macro defns */
37 
38 int                 _bus_dmamem_alloc_range_common(bus_dma_tag_t, bus_size_t,
39                                                          bus_size_t, bus_size_t,
40                                                          bus_dma_segment_t *,
41                                                          int, int *, int,
42                                                          paddr_t, paddr_t);
43 void                _bus_dmamem_free_common(bus_dma_tag_t, bus_dma_segment_t *,
44                                                   int);
45 
46 int                 _bus_dmamem_map_common(bus_dma_tag_t, bus_dma_segment_t *, int,
47                                                size_t, void **, int, int);
48 void                _bus_dmamem_unmap_common(bus_dma_tag_t, void *, size_t);
49 
50 bus_addr_t          _bus_dmamem_mmap_common(bus_dma_tag_t, bus_dma_segment_t *,
51                                                   int, off_t, int, int);
52 
53 #endif /* _COMMON_BUS_DMAMEM_COMMON_H_ */
54