4 #include <linux/device.h>
5 #include <linux/iommu.h>
10 extern int of_get_dma_window(struct device_node *dn, const char *prefix,
11 int index, unsigned long *busno, dma_addr_t *addr,
14 extern void of_iommu_init(void);
15 extern struct iommu_ops *of_iommu_configure(struct device *dev,
16 struct device_node *master_np);
20 static inline int of_get_dma_window(struct device_node *dn, const char *prefix,
21 int index, unsigned long *busno, dma_addr_t *addr,
27 static inline void of_iommu_init(void) { }
28 static inline struct iommu_ops *of_iommu_configure(struct device *dev,
29 struct device_node *master_np)
34 #endif /* CONFIG_OF_IOMMU */
36 void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops);
37 struct iommu_ops *of_iommu_get_ops(struct device_node *np);
39 extern struct of_device_id __iommu_of_table;
41 typedef int (*of_iommu_init_fn)(struct device_node *);
43 #define IOMMU_OF_DECLARE(name, compat, fn) \
44 _OF_DECLARE(iommu, name, compat, fn, of_iommu_init_fn)
46 #endif /* __OF_IOMMU_H */