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 | ||