diff options
Diffstat (limited to 'drivers/media/pci/intel/ipu6/ipu6-dma.h')
-rw-r--r-- | drivers/media/pci/intel/ipu6/ipu6-dma.h | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/media/pci/intel/ipu6/ipu6-dma.h b/drivers/media/pci/intel/ipu6/ipu6-dma.h index 847ea5b7c925..b51244add9e6 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-dma.h +++ b/drivers/media/pci/intel/ipu6/ipu6-dma.h @@ -5,7 +5,13 @@ #define IPU6_DMA_H #include <linux/dma-map-ops.h> +#include <linux/dma-mapping.h> #include <linux/iova.h> +#include <linux/iova.h> +#include <linux/scatterlist.h> +#include <linux/types.h> + +#include "ipu6-bus.h" struct ipu6_mmu_info; @@ -14,6 +20,30 @@ struct ipu6_dma_mapping { struct iova_domain iovad; }; -extern const struct dma_map_ops ipu6_dma_ops; - +void ipu6_dma_sync_single(struct ipu6_bus_device *sys, dma_addr_t dma_handle, + size_t size); +void ipu6_dma_sync_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, + int nents); +void ipu6_dma_sync_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt); +void *ipu6_dma_alloc(struct ipu6_bus_device *sys, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + unsigned long attrs); +void ipu6_dma_free(struct ipu6_bus_device *sys, size_t size, void *vaddr, + dma_addr_t dma_handle, unsigned long attrs); +int ipu6_dma_mmap(struct ipu6_bus_device *sys, struct vm_area_struct *vma, + void *addr, dma_addr_t iova, size_t size, + unsigned long attrs); +int ipu6_dma_map_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, + int nents, enum dma_data_direction dir, + unsigned long attrs); +void ipu6_dma_unmap_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, + int nents, enum dma_data_direction dir, + unsigned long attrs); +int ipu6_dma_map_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt, + enum dma_data_direction dir, unsigned long attrs); +void ipu6_dma_unmap_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt, + enum dma_data_direction dir, unsigned long attrs); +int ipu6_dma_get_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt, + void *cpu_addr, dma_addr_t handle, size_t size, + unsigned long attrs); #endif /* IPU6_DMA_H */ |