0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
34 lines
910 B
C
34 lines
910 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef DMA_H
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#define DMA_H
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#include <asm/glue-cache.h>
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#ifndef MULTI_CACHE
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#define dmac_map_area __glue(_CACHE,_dma_map_area)
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#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
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/*
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* These are private to the dma-mapping API. Do not use directly.
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* Their sole purpose is to ensure that data held in the cache
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* is visible to DMA, or data written by DMA to system memory is
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* visible to the CPU.
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*/
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extern void dmac_map_area(const void *, size_t, int);
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extern void dmac_unmap_area(const void *, size_t, int);
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#else
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/*
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* These are private to the dma-mapping API. Do not use directly.
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* Their sole purpose is to ensure that data held in the cache
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* is visible to DMA, or data written by DMA to system memory is
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* visible to the CPU.
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*/
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#define dmac_map_area cpu_cache.dma_map_area
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#define dmac_unmap_area cpu_cache.dma_unmap_area
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#endif
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#endif
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