media/ipu3/ipu3-dmamap.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright (C) 2018 Intel Corporation */
0003 /* Copyright 2018 Google LLC. */
0004
0005 #ifndef __IPU3_DMAMAP_H
0006 #define __IPU3_DMAMAP_H
0007
0008 struct imgu_device;
0009 struct scatterlist;
0010
0011 void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map,
0012             size_t len);
0013 void imgu_dmamap_free(struct imgu_device *imgu, struct imgu_css_map *map);
0014
0015 int imgu_dmamap_map_sg(struct imgu_device *imgu, struct scatterlist *sglist,
0016                int nents, struct imgu_css_map *map);
0017 void imgu_dmamap_unmap(struct imgu_device *imgu, struct imgu_css_map *map);
0018
0019 int imgu_dmamap_init(struct imgu_device *imgu);
0020 void imgu_dmamap_exit(struct imgu_device *imgu);
0021
0022 #endif