1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2018 Intel Corporation */ 3 /* Copyright 2018 Google LLC. */ 4 5 #ifndef __IPU3_DMAMAP_H 6 #define __IPU3_DMAMAP_H 7 8 struct imgu_device; 9 struct scatterlist; 10 11 void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map, 12 size_t len); 13 void imgu_dmamap_free(struct imgu_device *imgu, struct imgu_css_map *map); 14 15 int imgu_dmamap_map_sg(struct imgu_device *imgu, struct scatterlist *sglist, 16 int nents, struct imgu_css_map *map); 17 void imgu_dmamap_unmap(struct imgu_device *imgu, struct imgu_css_map *map); 18 19 int imgu_dmamap_init(struct imgu_device *imgu); 20 void imgu_dmamap_exit(struct imgu_device *imgu); 21 22 #endif 23