1#ifndef _ALPHA_DMA_MAPPING_H
 2#define _ALPHA_DMA_MAPPING_H
 3
 4#include <linux/dma-attrs.h>
 5
 6extern struct dma_map_ops *dma_ops;
 7
 8static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 9{
10	return dma_ops;
11}
12
13#include <asm-generic/dma-mapping-common.h>
14
15#define dma_alloc_coherent(d,s,h,f)	dma_alloc_attrs(d,s,h,f,NULL)
16
17static inline void *dma_alloc_attrs(struct device *dev, size_t size,
18				    dma_addr_t *dma_handle, gfp_t gfp,
19				    struct dma_attrs *attrs)
20{
21	return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs);
 
 
 
 
22}
23
24#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
25
26static inline void dma_free_attrs(struct device *dev, size_t size,
27				  void *vaddr, dma_addr_t dma_handle,
28				  struct dma_attrs *attrs)
29{
30	get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs);
31}
32
33static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
34{
35	return get_dma_ops(dev)->mapping_error(dev, dma_addr);
36}
37
38static inline int dma_supported(struct device *dev, u64 mask)
39{
40	return get_dma_ops(dev)->dma_supported(dev, mask);
41}
42
43static inline int dma_set_mask(struct device *dev, u64 mask)
44{
45	return get_dma_ops(dev)->set_dma_mask(dev, mask);
46}
47
48#define dma_alloc_noncoherent(d, s, h, f)	dma_alloc_coherent(d, s, h, f)
49#define dma_free_noncoherent(d, s, v, h)	dma_free_coherent(d, s, v, h)
50
51#define dma_cache_sync(dev, va, size, dir)		  ((void)0)
52
53#endif	/* _ALPHA_DMA_MAPPING_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ALPHA_DMA_MAPPING_H
 3#define _ALPHA_DMA_MAPPING_H
 4
 5extern const struct dma_map_ops alpha_pci_ops;
 6
 7static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 
 
 
 
 
 
 
 
 
 
 
 
 
 8{
 9#ifdef CONFIG_ALPHA_JENSEN
10	return NULL;
11#else
12	return &alpha_pci_ops;
13#endif
14}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
15
16#endif	/* _ALPHA_DMA_MAPPING_H */