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#include <linux/bug.h>
17
18struct device;
19
20extern void octeon_pci_dma_init(void);
21
22static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
23	size_t size)
24{
25	BUG();
26	return 0;
27}
28
29static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
30	struct page *page)
31{
32	BUG();
33	return 0;
34}
35
36static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
37	dma_addr_t dma_addr)
38{
39	BUG();
40	return 0;
41}
42
43static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
44	size_t size, enum dma_data_direction direction)
45{
46	BUG();
47}
48
49static inline int plat_dma_supported(struct device *dev, u64 mask)
50{
51	BUG();
52	return 0;
53}
54
55static inline int plat_device_is_coherent(struct device *dev)
56{
57	return 1;
58}
59
60static inline void plat_post_dma_flush(struct device *dev)
61{
62}
63
64dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
65phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
66
67struct dma_map_ops;
68extern struct dma_map_ops *octeon_pci_dma_map_ops;
69extern char *octeon_swiotlb;
70
71#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
72