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dma-coherence.h
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1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License. See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2006 Ralf Baechle <[email protected]>
7  *
8  *
9  * Similar to mach-generic/dma-coherence.h except
10  * plat_device_is_coherent hard coded to return 1.
11  *
12  */
13 #ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
14 #define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
15 
16 struct device;
17 
18 extern void octeon_pci_dma_init(void);
19 
20 static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
21  size_t size)
22 {
23  BUG();
24 }
25 
26 static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
27  struct page *page)
28 {
29  BUG();
30 }
31 
32 static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
34 {
35  BUG();
36 }
37 
38 static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
39  size_t size, enum dma_data_direction direction)
40 {
41  BUG();
42 }
43 
44 static inline int plat_dma_supported(struct device *dev, u64 mask)
45 {
46  BUG();
47 }
48 
49 static inline void plat_extra_sync_for_device(struct device *dev)
50 {
51  BUG();
52 }
53 
54 static inline int plat_device_is_coherent(struct device *dev)
55 {
56  return 1;
57 }
58 
59 static inline int plat_dma_mapping_error(struct device *dev,
61 {
62  BUG();
63 }
64 
67 
68 struct dma_map_ops;
69 extern struct dma_map_ops *octeon_pci_dma_map_ops;
70 extern char *octeon_swiotlb;
71 
72 #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */