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
|
#ifndef __OF_IOMMU_H
#define __OF_IOMMU_H
#include <linux/device.h>
#include <linux/iommu.h>
#include <linux/of.h>
#ifdef CONFIG_OF_IOMMU
extern int of_get_dma_window(struct device_node *dn, const char *prefix,
int index, unsigned long *busno, dma_addr_t *addr,
size_t *size);
extern const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np);
#else
static inline int of_get_dma_window(struct device_node *dn, const char *prefix,
int index, unsigned long *busno, dma_addr_t *addr,
size_t *size)
{
return -EINVAL;
}
static inline const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np)
{
return NULL;
}
#endif /* CONFIG_OF_IOMMU */
extern struct of_device_id __iommu_of_table;
typedef int (*of_iommu_init_fn)(struct device_node *);
#define IOMMU_OF_DECLARE(name, compat, fn) \
_OF_DECLARE(iommu, name, compat, fn, of_iommu_init_fn)
#endif /* __OF_IOMMU_H */
|
