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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H
#include <linux/scatterlist.h>
#include <asm/dma-coherence.h>
#include <asm/cache.h>
#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */
#include <dma-coherence.h>
#endif
extern const struct dma_map_ops *mips_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return mips_dma_map_ops;
}
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
if (!dev->dma_mask)
return false;
return addr + size <= *dev->dma_mask;
}
static inline void dma_mark_clean(void *addr, size_t size) {}
extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction);
#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 */
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