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

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/*
* 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 __DMA_ALLOC_H__
#define __DMA_ALLOC_H__
int dma_sync_device_to_cpu(int fd);
int dma_sync_cpu_to_device(int fd);
int dma_buf_alloc(int width, int height, int format, int *fd, void **va);
void dma_buf_free(int width, int height, int format, int *fd, void *va);
#endif