blob: d25fce101fc051c13aa65b9569fcd4f97806c7ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
#ifndef _ASM_TILE_DMA_MAPPING_H
#define _ASM_TILE_DMA_MAPPING_H
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/cache.h>
#include <linux/io.h>
#ifdef __tilegx__
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
#endif
extern const struct dma_map_ops *tile_dma_map_ops;
extern const struct dma_map_ops *gx_pci_dma_map_ops;
extern const struct dma_map_ops *gx_legacy_pci_dma_map_ops;
extern const struct dma_map_ops *gx_hybrid_pci_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return tile_dma_map_ops;
}
static inline dma_addr_t get_dma_offset(struct device *dev)
{
return dev->archdata.dma_offset;
}
static inline void set_dma_offset(struct device *dev, dma_addr_t off)
{
dev->archdata.dma_offset = off;
}
#define HAVE_ARCH_DMA_SET_MASK 1
int dma_set_mask(struct device *dev, u64 mask);
#endif /* _ASM_TILE_DMA_MAPPING_H */
|
