diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/media/videobuf2-dma-contig.h | |
Initial import
Diffstat (limited to 'include/media/videobuf2-dma-contig.h')
| -rw-r--r-- | include/media/videobuf2-dma-contig.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h new file mode 100644 index 000000000..8197f87d6 --- /dev/null +++ b/include/media/videobuf2-dma-contig.h @@ -0,0 +1,32 @@ +/* + * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak <pawel@osciak.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H +#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H + +#include <media/videobuf2-core.h> +#include <linux/dma-mapping.h> + +static inline dma_addr_t +vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no) +{ + dma_addr_t *addr = vb2_plane_cookie(vb, plane_no); + + return *addr; +} + +void *vb2_dma_contig_init_ctx(struct device *dev); +void vb2_dma_contig_cleanup_ctx(void *alloc_ctx); + +extern const struct vb2_mem_ops vb2_dma_contig_memops; + +#endif |