diff options
| author | Andrew Chew <achew@nvidia.com> | 2012-08-20 13:02:04 -0700 |
|---|---|---|
| committer | Winnie Hsu <whsu@nvidia.com> | 2012-12-17 11:30:58 -0800 |
| commit | 62c2aed60372c97eebda02e8833c15b418a16fb0 (patch) | |
| tree | 208b9f91d8b4a6a0fdf4d3599b821a83d1361c8b /include | |
| parent | 792af1fd4fd216852b51266ccdef8f770648e922 (diff) | |
media: tegra: Tegra videobuf2
This is based off of videobuf2-dma-contig, except we use Tegra's
nvmap for the buffer allocations.
Signed-off-by: Andrew Chew <achew@nvidia.com>
Change-Id: I15e689c33ee7b4fc0aade794c78701c82483df3f
Reviewed-on: http://git-master/r/145345
(cherry picked from commit 70a4f20fbdd6c2c719400d6c59ef58d845657031)
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Change-Id: Ia0632d7fcb28415e33fbb22c48f29117d7436f1d
Reviewed-on: http://git-master/r/170824
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Andrew Chew <achew@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Diffstat (limited to 'include')
| -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 |