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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:28:37 -0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:28:37 -0200 |
commit | 77c53d0b56264a8fc5844e087ad15fffe20c299d (patch) | |
tree | 61925f42355feabc010c53172212742ec3651d4f /include/uapi | |
parent | 9374020a78fce13a1cf2edf3d26f6dd7231b5c3d (diff) | |
parent | d8658bca2e5696df2b6c69bc5538f8fe54e4a01e (diff) | |
download | linux-stable-77c53d0b56264a8fc5844e087ad15fffe20c299d.tar.gz linux-stable-77c53d0b56264a8fc5844e087ad15fffe20c299d.tar.bz2 linux-stable-77c53d0b56264a8fc5844e087ad15fffe20c299d.zip |
Merge branch 'for_3.8-rc1' into v4l_for_linus
* for_3.8-rc1: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
...
Diffstat (limited to 'include/uapi')
-rw-r--r-- | include/uapi/linux/videodev2.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 57bfa59cda74..3cf3e946e331 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -186,6 +186,7 @@ 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/ */ @@ -602,6 +603,8 @@ struct v4l2_requestbuffers { * should be passed to mmap() called on the video node) * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer * pointing to this plane + * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file + * descriptor associated with this plane * @data_offset: offset in the plane to the start of data; usually 0, * unless there is a header in front of the data * @@ -616,6 +619,7 @@ struct v4l2_plane { union { __u32 mem_offset; unsigned long userptr; + __s32 fd; } m; __u32 data_offset; __u32 reserved[11]; @@ -640,6 +644,8 @@ struct v4l2_plane { * (or a "cookie" that should be passed to mmap() as offset) * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; * a userspace pointer pointing to this buffer + * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; + * a userspace file descriptor associated with this buffer * @planes: for multiplanar buffers; userspace pointer to the array of plane * info structs for this buffer * @length: size in bytes of the buffer (NOT its payload) for single-plane @@ -666,6 +672,7 @@ struct v4l2_buffer { __u32 offset; unsigned long userptr; struct v4l2_plane *planes; + __s32 fd; } m; __u32 length; __u32 reserved2; @@ -687,6 +694,33 @@ struct v4l2_buffer { #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 +/** + * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor + * + * @index: id number of the buffer + * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for + * multiplanar buffers); + * @plane: index of the plane to be exported, 0 for single plane queues + * @flags: flags for newly created file, currently only O_CLOEXEC is + * supported, refer to manual of open syscall for more details + * @fd: file descriptor associated with DMABUF (set by driver) + * + * Contains data used for exporting a video buffer as DMABUF file descriptor. + * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF + * (identical to the cookie used to mmap() the buffer to userspace). All + * reserved fields must be set to zero. The field reserved0 is expected to + * become a structure 'type' allowing an alternative layout of the structure + * content. Therefore this field should not be used for any other extensions. + */ +struct v4l2_exportbuffer { + __u32 type; /* enum v4l2_buf_type */ + __u32 index; + __u32 plane; + __u32 flags; + __s32 fd; + __u32 reserved[11]; +}; + /* * O V E R L A Y P R E V I E W */ @@ -737,7 +771,7 @@ struct v4l2_window { struct v4l2_captureparm { __u32 capability; /* Supported modes */ __u32 capturemode; /* Current mode */ - struct v4l2_fract timeperframe; /* Time per frame in .1us units */ + struct v4l2_fract timeperframe; /* Time per frame in seconds */ __u32 extendedmode; /* Driver-specific extensions */ __u32 readbuffers; /* # of buffers for read */ __u32 reserved[4]; @@ -1888,6 +1922,7 @@ struct v4l2_create_buffers { #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) #define VIDIOC_OVERLAY _IOW('V', 14, int) #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) +#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) #define VIDIOC_STREAMON _IOW('V', 18, int) #define VIDIOC_STREAMOFF _IOW('V', 19, int) |