1/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef __MM_JPEG_IONBUF_H__
31#define __MM_JPEG_IONBUF_H__
32
33
34#include <stdio.h>
35#include <linux/msm_ion.h>
36#include <sys/mman.h>
37#include <unistd.h>
38#include <errno.h>
39#include <fcntl.h>
40#include "mm_jpeg_dbg.h"
41
42typedef struct  {
43  struct ion_fd_data ion_info_fd;
44  struct ion_allocation_data alloc;
45  int p_pmem_fd;
46  size_t size;
47  int ion_fd;
48  uint8_t *addr;
49} buffer_t;
50
51/** buffer_allocate:
52 *
53 *  Arguments:
54 *     @p_buffer: ION buffer
55 *
56 *  Return:
57 *     buffer address
58 *
59 *  Description:
60 *      allocates ION buffer
61 *
62 **/
63void* buffer_allocate(buffer_t *p_buffer, int cached);
64
65/** buffer_deallocate:
66 *
67 *  Arguments:
68 *     @p_buffer: ION buffer
69 *
70 *  Return:
71 *     error val
72 *
73 *  Description:
74 *      deallocates ION buffer
75 *
76 **/
77int buffer_deallocate(buffer_t *p_buffer);
78
79/** buffer_invalidate:
80 *
81 *  Arguments:
82 *     @p_buffer: ION buffer
83 *
84 *  Return:
85 *     error val
86 *
87 *  Description:
88 *      Invalidates the cached buffer
89 *
90 **/
91int buffer_invalidate(buffer_t *p_buffer);
92
93#endif
94
95