v4l-utils: sync with latest kernel headers.

I had to make quite a few changes due to the introduction of the uapi
directory, lots of paths had to be changed.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

1 files changed, 40 insertions, 7 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 873adbe8..3cf3e946 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -53,12 +53,10 @@
  *              Hans Verkuil <hverkuil@xs4all.nl>
  *		et al.
  */
-#ifndef __LINUX_VIDEODEV2_H
-#define __LINUX_VIDEODEV2_H
+#ifndef _UAPI__LINUX_VIDEODEV2_H
+#define _UAPI__LINUX_VIDEODEV2_H
 
-#ifdef __KERNEL__
-#include <linux/time.h>     /* need struct timeval */
-#else
+#ifndef __KERNEL__
 #include <sys/time.h>
 #endif
 #include <linux/compiler.h>
@@ -188,6 +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/ */
@@ -604,6 +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
  *
@@ -618,6 +619,7 @@ struct v4l2_plane {
 	union {
 		__u32		mem_offset;
 		unsigned long	userptr;
+		__s32		fd;
 	} m;
 	__u32			data_offset;
 	__u32			reserved[11];
@@ -642,6 +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
@@ -668,6 +672,7 @@ struct v4l2_buffer {
 		__u32           offset;
 		unsigned long   userptr;
 		struct v4l2_plane *planes;
+		__s32		fd;
 	} m;
 	__u32			length;
 	__u32			reserved2;
@@ -689,6 +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
  */
@@ -739,7 +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];
@@ -1890,6 +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)
@@ -1997,4 +2030,4 @@ struct v4l2_create_buffers {
 
 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
 
-#endif /* __LINUX_VIDEODEV2_H */
+#endif /* _UAPI__LINUX_VIDEODEV2_H */