aboutsummaryrefslogtreecommitdiffstats
blob: 610a4f9aea7b16b88ce6e4bba965a466ce26f5a2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (c) 2013, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "memplugin.h"
#include "dce_priv.h"


/* For TILER 2D Buffers : sz       = width                              */
/*                                : height = nonzero                           */
/* For other memory_types : height = 0                               */
void *memplugin_alloc(int sz, int height, mem_type memory_type)
{
    MemHeader          *h;
    shm_buf            *handle;
    MemAllocBlock       block;
    int                 num_block;
    mem_error_status    eError = MEM_EOK;

    _ASSERT(sz != 0, MEM_EINVALID_INPUT);
    _ASSERT((memory_type < MEM_MAX) && (memory_type >= TILER_1D_BUFFER), MEM_EINVALID_INPUT);

    /* Tiler buffer Allocations : Only Tiler 1D used for Parameter Buffers and RPC Message buffers */
    if( memory_type == TILER_1D_BUFFER || memory_type == TILER8_2D_BUFFER || memory_type == TILER16_2D_BUFFER ) {
        num_block = 1;

        if( memory_type == TILER_1D_BUFFER ) {
            /* Allocate in tiler paged mode (1d) container */
            block.pixelFormat = PIXEL_FMT_PAGE;
            block.dim.len = sz + sizeof(MemHeader);
#if 0 /* Data Tiler Buffers not to be allocated by DCE */
        } else if( memory_type == TILER8_2D_BUFFER ) {
            /* Allocate in tiler 8 bit mode (2d) container */
            _ASSERT(height != 0, MEM_EINVALID_INPUT);
            block.pixelFormat = PIXEL_FMT_8BIT;
            block.dim.area.width  = sz;
            block.dim.area.height = height;
        } else {
            /* Allocate in tiler 16 bit mode (2d) container */
            _ASSERT(height != 0, MEM_EINVALID_INPUT);
            block.pixelFormat = PIXEL_FMT_16BIT;
            block.dim.area.width  = sz;
            block.dim.area.height = height;
#endif
        }
        block.stride = 0;

        h = MemMgr_Alloc(&block, num_block);

        _ASSERT(h != NULL, MEM_EOUT_OF_TILER_MEMORY);

        h->size = sz;
        memset(H2P(h), 0, sz);
        return (H2P(h));
    } else {

        handle = malloc(sizeof(shm_buf));
        _ASSERT(handle != NULL, MEM_EOUT_OF_SYSTEM_MEMORY);

        /* Parameter Buffers : Allocate from Shared Memory considering MemHeader*/
        SHM_alloc(sz + sizeof(MemHeader), handle);

        h = (MemHeader *)handle->vir_addr;
        _ASSERT_AND_EXECUTE(h != NULL, MEM_EOUT_OF_SHMEMORY, free(handle));

        h->size = sz;
        h->ptr = handle;
        memset(H2P(h), 0, sz);
        return (H2P(h));
    }
EXIT:
    return (NULL);
}

/* memory_type is not added if MemHeader is used for Tiler Buffers */
void memplugin_free(void *ptr, mem_type memory_type)
{
    shm_buf            *handle;
    mem_error_status    eError = MEM_EOK;

    _ASSERT(ptr != NULL, MEM_EINVALID_INPUT);
    _ASSERT((memory_type < MEM_MAX) && (memory_type >= TILER_1D_BUFFER), MEM_EINVALID_INPUT);

    if( memory_type == TILER_1D_BUFFER ) {
        MemMgr_Free(P2H(ptr));
    } else if( memory_type == SHARED_MEMORY_BUFFER ) {
        handle = (P2H(ptr))->ptr;
        SHM_release(handle);
        free(handle);
    } else {
        ERROR("Tiler 2D Allocation/Free not implemented");
    }
EXIT:;
}

void *memplugin_share(void *ptr, mem_type memory_type)
{
    /* No Userspace Virtual pointers to DMA BUF Handles conversion required*/
    /* Do nothing */
    return (ptr);
}