1 /*
2 * Copyright (c) 2013, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
33 #ifndef __MEMPLUGIN_H__
34 #define __MEMPLUGIN_H__
36 #include <stdlib.h>
37 #include <string.h>
38 #include <stdio.h>
41 #if defined(BUILDOS_LINUX)
42 #include <xf86drm.h>
43 #include <omap_drm.h>
44 #include <omap_drmif.h>
45 #endif /* BUILDOS_LINUX */
48 #if defined(BUILDOS_QNX)
49 /* IPC Headers */
50 #include <tilermem.h>
51 #include <SharedMemoryAllocatorUsr.h>
52 #include <memmgr.h>
53 #endif /* BUILDOS_QNX */
56 #define P2H(p) (&(((MemHeader *)(p))[-1]))
57 #define H2P(h) ((void *)&(h)[1])
59 #define GetSz(buf) ((P2H(buf))->size + sizeof(MemHeader))
61 /* MemHeader is important because it is necessary to know the */
62 /* size of the parameter buffers on IPU for Cache operations */
63 /* The size can't be assumed as codec supports different inputs */
64 /* For ex: static params can be VIDDEC3_Params, IVIDDEC3_Params */
65 /* or IH264DEC_Params */
66 typedef struct MemHeader {
67 uint32_t size;
68 void *ptr;
69 #if defined(BUILDOS_LINUX)
70 int32_t dma_buf_fd;
71 #endif
72 } MemHeader;
75 typedef enum mem_type {
76 TILER_1D_BUFFER,
77 TILER8_2D_BUFFER,
78 TILER16_2D_BUFFER,
79 SHARED_MEMORY_BUFFER,
80 MEM_MAX
81 } mem_type;
84 /* DCE Error Types */
85 typedef enum mem_error_status {
86 MEM_EOK = 0,
87 MEM_EINVALID_INPUT = -1,
88 MEM_EOUT_OF_TILER_MEMORY = -2,
89 MEM_EOUT_OF_SHMEMORY = -3,
90 MEM_EOUT_OF_SYSTEM_MEMORY = -4
91 } mem_error_status;
93 void *memplugin_alloc(int sz, int height, mem_type memory_type);
95 void memplugin_free(void *ptr, mem_type memory_type);
97 int memplugin_share(void *ptr);
99 #endif /* __MEMPLUGIN_H__ */