diff options
Diffstat (limited to 'include/linux/of_iommu.h')
| -rw-r--r-- | include/linux/of_iommu.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h index 51a560f34bca..16c75547d725 100644 --- a/include/linux/of_iommu.h +++ b/include/linux/of_iommu.h @@ -1,12 +1,19 @@ #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 void of_iommu_init(void); +extern struct iommu_ops *of_iommu_configure(struct device *dev); + #else static inline int of_get_dma_window(struct device_node *dn, const char *prefix, @@ -16,6 +23,22 @@ static inline int of_get_dma_window(struct device_node *dn, const char *prefix, return -EINVAL; } +static inline void of_iommu_init(void) { } +static inline struct iommu_ops *of_iommu_configure(struct device *dev) +{ + return NULL; +} + #endif /* CONFIG_OF_IOMMU */ +void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops); +struct iommu_ops *of_iommu_get_ops(struct device_node *np); + +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 */ |