| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _ASM_DMA_MAPPING_H | |
| #define _ASM_DMA_MAPPING_H | |
| #include <linux/swiotlb.h> | |
| extern const struct dma_map_ops jazz_dma_ops; | |
| static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) | |
| { | |
| #if defined(CONFIG_MACH_JAZZ) | |
| return &jazz_dma_ops; | |
| #elif defined(CONFIG_SWIOTLB) | |
| return &swiotlb_dma_ops; | |
| #elif defined(CONFIG_DMA_NONCOHERENT_OPS) | |
| return &dma_noncoherent_ops; | |
| #else | |
| return &dma_direct_ops; | |
| #endif | |
| } | |
| #define arch_setup_dma_ops arch_setup_dma_ops | |
| static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, | |
| u64 size, const struct iommu_ops *iommu, | |
| bool coherent) | |
| { | |
| #ifdef CONFIG_DMA_PERDEV_COHERENT | |
| dev->archdata.dma_coherent = coherent; | |
| #endif | |
| } | |
| #endif /* _ASM_DMA_MAPPING_H */ |