| /* 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 */ |
