48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/* SPDX-License-Identifier: Apache-2.0 OR MIT */
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/*
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* Copyright (c) 2015 Rockchip Electronics Co., Ltd.
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*/
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#ifndef MPP_ALLOCATOR_H
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#define MPP_ALLOCATOR_H
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#include "mpp_bit.h"
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#include "mpp_buffer.h"
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typedef enum MppAllocFlagType_e {
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MPP_ALLOC_FLAG_NONE = 0U,
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MPP_ALLOC_FLAG_DMA32 = MPP_BIT(0),
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MPP_ALLOC_FLAG_CACHABLE = MPP_BIT(1),
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MPP_ALLOC_FLAG_CMA = MPP_BIT(2),
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MPP_ALLOC_FLAG_TYPE_MASK = MPP_FLAG_OR(MPP_ALLOC_FLAG_CMA, MPP_ALLOC_FLAG_CACHABLE, MPP_ALLOC_FLAG_DMA32),
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MPP_ALLOC_FLAG_TYPE_NB,
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} MppAllocFlagType;
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typedef void *MppAllocator;
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typedef struct MppAllocatorApi_t {
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RK_U32 size;
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RK_U32 version;
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MPP_RET (*alloc)(MppAllocator allocator, MppBufferInfo *data);
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MPP_RET (*free)(MppAllocator allocator, MppBufferInfo *data);
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MPP_RET (*import)(MppAllocator allocator, MppBufferInfo *data);
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MPP_RET (*release)(MppAllocator allocator, MppBufferInfo *data);
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MPP_RET (*mmap)(MppAllocator allocator, MppBufferInfo *data);
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} MppAllocatorApi;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* NOTE: flag may be updated by allocator */
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MPP_RET mpp_allocator_get(MppAllocator *allocator, MppAllocatorApi **api,
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MppBufferType type, MppAllocFlagType flag);
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MPP_RET mpp_allocator_put(MppAllocator *allocator);
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MppAllocFlagType mpp_allocator_get_flags(const MppAllocator allocator);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MPP_ALLOCATOR_H */
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