1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_DMA_MAPPING_H
3 #define _ASM_DMA_MAPPING_H
4 
5 #include <linux/swiotlb.h>
6 
7 extern const struct dma_map_ops jazz_dma_ops;
8 
9 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
10 {
11 #if defined(CONFIG_MACH_JAZZ)
12 	return &jazz_dma_ops;
13 #else
14 	return NULL;
15 #endif
16 }
17 
18 #define arch_setup_dma_ops arch_setup_dma_ops
19 static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
20 				      u64 size, const struct iommu_ops *iommu,
21 				      bool coherent)
22 {
23 #ifdef CONFIG_DMA_PERDEV_COHERENT
24 	dev->dma_coherent = coherent;
25 #endif
26 }
27 
28 #endif /* _ASM_DMA_MAPPING_H */
29