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[media] media: videobuf2: Prepare to divide videobuf2

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Prepare to divide videobuf2
- Separate vb2 trace events from v4l2 trace event.
- Make wrapper functions that will move to v4l2-side.
- Make vb2_core_* functions that will remain in core-side.
- Add a callback function table for buffer operation which makes vb2-core
  to be able to invoke a v4l2-side functions.
- Rename internal functions as vb2_*.

Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Junghak Sung
2015-10-06 06:37:48 -03:00
committed by Mauro Carvalho Chehab
parent bed04f9342
commit b0e0e1f83d
7 changed files with 484 additions and 207 deletions
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28
include/trace/events/v4l2.h
View File

@@ -175,17 +175,12 @@ DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
TP_ARGS(minor, buf)
);
DECLARE_EVENT_CLASS(vb2_event_class,
DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb),
TP_STRUCT__entry(
__field(int, minor)
__field(u32, queued_count)
__field(int, owned_by_drv_count)
__field(u32, index)
__field(u32, type)
__field(u32, bytesused)
__field(u32, flags)
__field(u32, field)
__field(s64, timestamp)
@@ -207,12 +202,6 @@ DECLARE_EVENT_CLASS(vb2_event_class,
struct v4l2_fh *owner = q->owner;
__entry->minor = owner ? owner->vdev->minor : -1;
__entry->queued_count = q->queued_count;
__entry->owned_by_drv_count =
atomic_read(&q->owned_by_drv_count);
__entry->index = vb->index;
__entry->type = vb->type;
__entry->bytesused = vb->planes[0].bytesused;
__entry->flags = vbuf->flags;
__entry->field = vbuf->field;
__entry->timestamp = timeval_to_ns(&vbuf->timestamp);
@@ -229,15 +218,10 @@ DECLARE_EVENT_CLASS(vb2_event_class,
__entry->sequence = vbuf->sequence;
),
TP_printk("minor = %d, queued = %u, owned_by_drv = %d, index = %u, "
"type = %s, bytesused = %u, flags = %s, field = %s, "
TP_printk("minor=%d flags = %s, field = %s, "
"timestamp = %llu, timecode = { type = %s, flags = %s, "
"frames = %u, seconds = %u, minutes = %u, hours = %u, "
"userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
__entry->queued_count,
__entry->owned_by_drv_count,
__entry->index, show_type(__entry->type),
__entry->bytesused,
show_flags(__entry->flags),
show_field(__entry->field),
__entry->timestamp,
@@ -255,22 +239,22 @@ DECLARE_EVENT_CLASS(vb2_event_class,
)
)
DEFINE_EVENT(vb2_event_class, vb2_buf_done,
DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_done,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_buf_queue,
DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_queue,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_dqbuf,
DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_dqbuf,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_qbuf,
DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_qbuf,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);