Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define DMA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/glue-cache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef MULTI_CACHE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define dmac_map_area			__glue(_CACHE,_dma_map_area)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define dmac_unmap_area 		__glue(_CACHE,_dma_unmap_area)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * These are private to the dma-mapping API.  Do not use directly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * Their sole purpose is to ensure that data held in the cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * is visible to DMA, or data written by DMA to system memory is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * visible to the CPU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) extern void dmac_map_area(const void *, size_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern void dmac_unmap_area(const void *, size_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * These are private to the dma-mapping API.  Do not use directly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * Their sole purpose is to ensure that data held in the cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * is visible to DMA, or data written by DMA to system memory is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * visible to the CPU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define dmac_map_area			cpu_cache.dma_map_area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define dmac_unmap_area 		cpu_cache.dma_unmap_area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif