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 <ralf@linux-mips.org>
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
plat_map_dma_mem(struct device * dev,void * addr,size_t size)20 static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
21 size_t size)
22 {
23 BUG();
24 }
25
plat_map_dma_mem_page(struct device * dev,struct page * page)26 static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
27 struct page *page)
28 {
29 BUG();
30 }
31
plat_dma_addr_to_phys(struct device * dev,dma_addr_t dma_addr)32 static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
33 dma_addr_t dma_addr)
34 {
35 BUG();
36 }
37
plat_unmap_dma_mem(struct device * dev,dma_addr_t dma_addr,size_t size,enum dma_data_direction direction)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
plat_dma_supported(struct device * dev,u64 mask)44 static inline int plat_dma_supported(struct device *dev, u64 mask)
45 {
46 BUG();
47 }
48
plat_extra_sync_for_device(struct device * dev)49 static inline void plat_extra_sync_for_device(struct device *dev)
50 {
51 BUG();
52 }
53
plat_device_is_coherent(struct device * dev)54 static inline int plat_device_is_coherent(struct device *dev)
55 {
56 return 1;
57 }
58
plat_dma_mapping_error(struct device * dev,dma_addr_t dma_addr)59 static inline int plat_dma_mapping_error(struct device *dev,
60 dma_addr_t dma_addr)
61 {
62 BUG();
63 }
64
65 dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
66 phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
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 */
73