Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 3d5e2d7..8a10889 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -32,6 +32,8 @@
* &enum v4l2_field.
* @timecode: frame timecode.
* @sequence: sequence count of this frame.
+ * @request_fd: the request_fd associated with this buffer
+ * @planes: plane information (userptr/fd, length, bytesused, data_offset).
*
* Should contain enough information to be able to cover all the fields
* of &struct v4l2_buffer at ``videodev2.h``.
@@ -43,6 +45,8 @@
__u32 field;
struct v4l2_timecode timecode;
__u32 sequence;
+ __s32 request_fd;
+ struct vb2_plane planes[VB2_MAX_PLANES];
};
/*
@@ -51,6 +55,22 @@
#define to_vb2_v4l2_buffer(vb) \
container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
+/**
+ * vb2_find_timestamp() - Find buffer with given timestamp in the queue
+ *
+ * @q: pointer to &struct vb2_queue with videobuf2 queue.
+ * @timestamp: the timestamp to find.
+ * @start_idx: the start index (usually 0) in the buffer array to start
+ * searching from. Note that there may be multiple buffers
+ * with the same timestamp value, so you can restart the search
+ * by setting @start_idx to the previously found index + 1.
+ *
+ * Returns the buffer index of the buffer with the given @timestamp, or
+ * -1 if no buffer with @timestamp was found.
+ */
+int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
+ unsigned int start_idx);
+
int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b);
/**
@@ -77,6 +97,7 @@
* vb2_prepare_buf() - Pass ownership of a buffer from userspace to the kernel
*
* @q: pointer to &struct vb2_queue with videobuf2 queue.
+ * @mdev: pointer to &struct media_device, may be NULL.
* @b: buffer structure passed from userspace to
* &v4l2_ioctl_ops->vidioc_prepare_buf handler in driver
*
@@ -88,15 +109,19 @@
* #) verifies the passed buffer,
* #) calls &vb2_ops->buf_prepare callback in the driver (if provided),
* in which driver-specific buffer initialization can be performed.
+ * #) if @b->request_fd is non-zero and @mdev->ops->req_queue is set,
+ * then bind the prepared buffer to the request.
*
* The return values from this function are intended to be directly returned
* from &v4l2_ioctl_ops->vidioc_prepare_buf handler in driver.
*/
-int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b);
+int vb2_prepare_buf(struct vb2_queue *q, struct media_device *mdev,
+ struct v4l2_buffer *b);
/**
* vb2_qbuf() - Queue a buffer from userspace
* @q: pointer to &struct vb2_queue with videobuf2 queue.
+ * @mdev: pointer to &struct media_device, may be NULL.
* @b: buffer structure passed from userspace to
* &v4l2_ioctl_ops->vidioc_qbuf handler in driver
*
@@ -105,6 +130,8 @@
* This function:
*
* #) verifies the passed buffer;
+ * #) if @b->request_fd is non-zero and @mdev->ops->req_queue is set,
+ * then bind the buffer to the request.
* #) if necessary, calls &vb2_ops->buf_prepare callback in the driver
* (if provided), in which driver-specific buffer initialization can
* be performed;
@@ -114,7 +141,8 @@
* The return values from this function are intended to be directly returned
* from &v4l2_ioctl_ops->vidioc_qbuf handler in driver.
*/
-int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b);
+int vb2_qbuf(struct vb2_queue *q, struct media_device *mdev,
+ struct v4l2_buffer *b);
/**
* vb2_expbuf() - Export a buffer as a file descriptor
@@ -291,4 +319,8 @@
*/
void vb2_ops_wait_finish(struct vb2_queue *vq);
+struct media_request;
+int vb2_request_validate(struct media_request *req);
+void vb2_request_queue(struct media_request *req);
+
#endif /* _MEDIA_VIDEOBUF2_V4L2_H */