1#ifndef _ASM_DMA_MAPPING_H
 2#define _ASM_DMA_MAPPING_H
 3
 4#include <linux/scatterlist.h>
 5#include <asm/dma-coherence.h>
 6#include <asm/cache.h>
 7
 8#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */
 9#include <dma-coherence.h>
10#endif
11
12extern struct dma_map_ops *mips_dma_map_ops;
13
14static inline struct dma_map_ops *get_dma_ops(struct device *dev)
15{
16	if (dev && dev->archdata.dma_ops)
17		return dev->archdata.dma_ops;
18	else
19		return mips_dma_map_ops;
20}
21
22static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
23{
24	if (!dev->dma_mask)
25		return false;
26
27	return addr + size <= *dev->dma_mask;
 
28}
29
30static inline void dma_mark_clean(void *addr, size_t size) {}
31
32extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
33	       enum dma_data_direction direction);
34
35#endif /* _ASM_DMA_MAPPING_H */

 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
 7extern const struct dma_map_ops jazz_dma_ops;
 
 
 
 
 
 
 
 
 
 
 
 
 8
 9static 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#endif /* _ASM_DMA_MAPPING_H */