diff options
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 000000000000..7e6c68b23773 --- /dev/null +++ b/include/media/videobuf2-dma-contig.h | |||
| @@ -0,0 +1,32 @@ | |||
| 1 | /* | ||
| 2 | * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2 | ||
| 3 | * | ||
| 4 | * Copyright (C) 2010 Samsung Electronics | ||
| 5 | * | ||
| 6 | * Author: Pawel Osciak <pawel@osciak.com> | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _MEDIA_VIDEOBUF2_DMA_COHERENT_H | ||
| 14 | #define _MEDIA_VIDEOBUF2_DMA_COHERENT_H | ||
| 15 | |||
| 16 | #include <media/videobuf2-core.h> | ||
| 17 | #include <linux/dma-mapping.h> | ||
| 18 | |||
| 19 | static inline dma_addr_t | ||
| 20 | vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no) | ||
| 21 | { | ||
| 22 | dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no); | ||
| 23 | |||
| 24 | return *paddr; | ||
| 25 | } | ||
| 26 | |||
| 27 | void *vb2_dma_contig_init_ctx(struct device *dev); | ||
| 28 | void vb2_dma_contig_cleanup_ctx(void *alloc_ctx); | ||
| 29 | |||
| 30 | extern const struct vb2_mem_ops vb2_dma_contig_memops; | ||
| 31 | |||
| 32 | #endif | ||
