2025-05-10 21:58:58 +08:00

36 lines
1.4 KiB
C

/*
* Copyright (C) 2022 Rockchip Electronics Co., Ltd.
* Authors:
* Cerf Yu <cerf.yu@rock-chips.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __RGA_SAMPLES_ALLOCATOR_DMA_ALLOC_H__
#define __RGA_SAMPLES_ALLOCATOR_DMA_ALLOC_H__
#define DMA_HEAP_UNCACHE_PATH "/dev/dma_heap/system-uncached"
#define DMA_HEAP_PATH "/dev/dma_heap/system"
#define DMA_HEAP_DMA32_UNCACHE_PATCH "/dev/dma_heap/system-uncached-dma32"
#define DMA_HEAP_DMA32_PATCH "/dev/dma_heap/system-dma32"
#define CMA_HEAP_UNCACHE_PATH "/dev/dma_heap/cma-uncached"
#define RV1106_CMA_HEAP_PATH "/dev/rk_dma_heap/rk-dma-heap-cma"
int dma_sync_device_to_cpu(int fd);
int dma_sync_cpu_to_device(int fd);
int dma_buf_alloc(const char *path, size_t size, int *fd, void **va);
void dma_buf_free(size_t size, int *fd, void *va);
#endif /* #ifndef __RGA_SAMPLES_ALLOCATOR_DMA_ALLOC_H__ */