e72e9355e3
git: https://android.googlesource.com/kernel/common branch: android-4.9 commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
41 lines
963 B
C
41 lines
963 B
C
#ifndef ___ASM_SPARC_DMA_MAPPING_H
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#define ___ASM_SPARC_DMA_MAPPING_H
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#include <linux/scatterlist.h>
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#include <linux/mm.h>
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#include <linux/dma-debug.h>
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#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
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#define HAVE_ARCH_DMA_SUPPORTED 1
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int dma_supported(struct device *dev, u64 mask);
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static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
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enum dma_data_direction dir)
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{
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/* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
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* routine can be a nop.
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*/
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}
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extern struct dma_map_ops *dma_ops;
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extern struct dma_map_ops *leon_dma_ops;
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extern struct dma_map_ops pci32_dma_ops;
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extern struct bus_type pci_bus_type;
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static inline struct dma_map_ops *get_dma_ops(struct device *dev)
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{
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#ifdef CONFIG_SPARC_LEON
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if (sparc_cpu_model == sparc_leon)
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return leon_dma_ops;
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#endif
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#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
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if (dev->bus == &pci_bus_type)
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return &pci32_dma_ops;
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#endif
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return dma_ops;
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}
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#endif
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