diff options
Diffstat (limited to 'include/media/videobuf2-dma-nvmap.h')
| -rw-r--r-- | include/media/videobuf2-dma-nvmap.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-nvmap.h b/include/media/videobuf2-dma-nvmap.h new file mode 100644 index 000000000000..39ae3d3a1d5d --- /dev/null +++ b/include/media/videobuf2-dma-nvmap.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _MEDIA_VIDEOBUF2_DMA_NVMAP_H +#define _MEDIA_VIDEOBUF2_DMA_NVMAP_H + +#include <media/videobuf2-core.h> +#include <linux/dma-mapping.h> + +static inline dma_addr_t +vb2_dma_nvmap_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no) +{ + dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no); + + return *paddr; +} + +void *vb2_dma_nvmap_init_ctx(struct device *dev); +void vb2_dma_nvmap_cleanup_ctx(void *alloc_ctx); + +extern const struct vb2_mem_ops vb2_dma_nvmap_memops; + +#endif |