diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/host1x.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/host1x.h b/include/linux/host1x.h index 1f5f55917d1c..a7a675783136 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -143,6 +143,12 @@ static inline struct host1x_bo_mapping *to_host1x_bo_mapping(struct kref *ref) return container_of(ref, struct host1x_bo_mapping, ref); } +/** + * struct host1x_bo_ops - operations implemented by a host1x_bo provider + * + * @pin: create a DMA mapping. Implementation must not touch the bo's refcount. + * @unpin: destroy a DMA mapping. Implementation must not touch the bo's refcount. + */ struct host1x_bo_ops { struct host1x_bo *(*get)(struct host1x_bo *bo); void (*put)(struct host1x_bo *bo); @@ -181,6 +187,7 @@ struct host1x_bo_mapping *host1x_bo_pin(struct device *dev, struct host1x_bo *bo enum dma_data_direction dir, struct host1x_bo_cache *cache); void host1x_bo_unpin(struct host1x_bo_mapping *map); +void host1x_bo_clear_cached_mappings(struct host1x_bo *bo); static inline void *host1x_bo_mmap(struct host1x_bo *bo) { |