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Iliyan Malchev202a77d2012-06-11 14:41:12 -07001/*
2 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
3
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of Code Aurora Forum, Inc. nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef GRALLOC_IONALLOC_H
31#define GRALLOC_IONALLOC_H
32
33#include "memalloc.h"
34#include "ion_msm.h"
35
36namespace gralloc {
37
38 class IonAlloc : public IMemAlloc {
39
40 public:
41 virtual int alloc_buffer(alloc_data& data);
42
43 virtual int free_buffer(void *base, size_t size,
44 int offset, int fd);
45
46 virtual int map_buffer(void **pBase, size_t size,
47 int offset, int fd);
48
49 virtual int unmap_buffer(void *base, size_t size,
50 int offset);
51
52 virtual int clean_buffer(void*base, size_t size,
53 int offset, int fd);
54
55 IonAlloc() { mIonFd = FD_INIT; }
56
57 ~IonAlloc() { close_device(); }
58
59 private:
60 int mIonFd;
61
62 int open_device();
63
64 void close_device();
65
66 };
67
68}
69
70#endif /* GRALLOC_IONALLOC_H */
71