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