| From eb12f7626253e47c8a3394bd07c8460d4775eae7 Mon Sep 17 00:00:00 2001 |
| From: Sean Paul <seanpaul@chromium.org> |
| Date: Wed, 20 Jun 2012 11:39:22 -0400 |
| Subject: [PATCH] v4l: Add DMABUF as a memory type |
| |
| Adds DMABUF memory type to v4l framework. Also adds the related file |
| descriptor in v4l2_plane and v4l2_buffer. |
| |
| Change-Id: If6b8d3e16bf487d87352008f9ac5d3bdad5ab732 |
| Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com> |
| [original work in the PoC for buffer sharing] |
| Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> |
| Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> |
| Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| Signed-off-by: Sean Paul <seanpaul@chromium.org> |
| --- |
| include/linux/videodev2.h | 3 +++ |
| 1 files changed, 3 insertions(+), 0 deletions(-) |
| |
| diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h |
| index 7915525..92a495d 100644 |
| --- a/include/linux/videodev2.h |
| +++ b/include/linux/videodev2.h |
| @@ -185,6 +185,7 @@ enum v4l2_memory { |
| V4L2_MEMORY_MMAP = 1, |
| V4L2_MEMORY_USERPTR = 2, |
| V4L2_MEMORY_OVERLAY = 3, |
| + V4L2_MEMORY_DMABUF = 4, |
| }; |
| |
| /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ |
| @@ -617,6 +618,7 @@ struct v4l2_plane { |
| union { |
| __u32 mem_offset; |
| unsigned long userptr; |
| + int fd; |
| } m; |
| __u32 data_offset; |
| __u32 reserved[11]; |
| @@ -667,6 +669,7 @@ struct v4l2_buffer { |
| __u32 offset; |
| unsigned long userptr; |
| struct v4l2_plane *planes; |
| + int fd; |
| } m; |
| __u32 length; |
| __u32 input; |
| -- |
| 1.7.7.3 |
| |
