xref: /OK3568_Linux_fs/external/mpp/osal/inc/mpp_allocator.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2015 Rockchip Electronics Co. LTD
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Licensed under the Apache License, Version 2.0 (the "License");
5*4882a593Smuzhiyun  * you may not use this file except in compliance with the License.
6*4882a593Smuzhiyun  * You may obtain a copy of the License at
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  *      http://www.apache.org/licenses/LICENSE-2.0
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * Unless required by applicable law or agreed to in writing, software
11*4882a593Smuzhiyun  * distributed under the License is distributed on an "AS IS" BASIS,
12*4882a593Smuzhiyun  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4882a593Smuzhiyun  * See the License for the specific language governing permissions and
14*4882a593Smuzhiyun  * limitations under the License.
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifndef __MPP_ALLOCATOR_H__
18*4882a593Smuzhiyun #define __MPP_ALLOCATOR_H__
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #include "rk_type.h"
21*4882a593Smuzhiyun #include "mpp_buffer.h"
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun typedef void *MppAllocator;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun typedef struct MppAllocatorCfg_t {
26*4882a593Smuzhiyun     // input
27*4882a593Smuzhiyun     size_t          alignment;
28*4882a593Smuzhiyun     RK_U32          flags;
29*4882a593Smuzhiyun } MppAllocatorCfg;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun typedef struct MppAllocatorApi_t {
32*4882a593Smuzhiyun     RK_U32  size;
33*4882a593Smuzhiyun     RK_U32  version;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun     MPP_RET (*alloc)(MppAllocator allocator, MppBufferInfo *data);
36*4882a593Smuzhiyun     MPP_RET (*free)(MppAllocator allocator, MppBufferInfo *data);
37*4882a593Smuzhiyun     MPP_RET (*import)(MppAllocator allocator, MppBufferInfo *data);
38*4882a593Smuzhiyun     MPP_RET (*release)(MppAllocator allocator, MppBufferInfo *data);
39*4882a593Smuzhiyun     MPP_RET (*mmap)(MppAllocator allocator, MppBufferInfo *data);
40*4882a593Smuzhiyun } MppAllocatorApi;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #ifdef __cplusplus
43*4882a593Smuzhiyun extern "C" {
44*4882a593Smuzhiyun #endif
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun MPP_RET mpp_allocator_get(MppAllocator *allocator,
47*4882a593Smuzhiyun                           MppAllocatorApi **api, MppBufferType type);
48*4882a593Smuzhiyun MPP_RET mpp_allocator_put(MppAllocator *allocator);
49*4882a593Smuzhiyun MppBufferType get_real_allocator_type(const MppAllocator allocator);
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #ifdef __cplusplus
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun #endif
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #endif /*__MPP_ALLOCATOR_H__*/
56*4882a593Smuzhiyun 
57