msm: ais: translate wall clock time to userspace

Translate wall clock time in camera kernel buffers
to camera userspace application.

Change-Id: I5ad66766e9557dfe7897940b66decf7cc699787f
Signed-off-by: Dilip Gudlur <dgudlur@codeaurora.org>
This commit is contained in:
Dilip Gudlur 2018-06-01 10:17:55 -07:00
parent 3a9f9cc591
commit 37ccad7c20

View file

@ -1956,7 +1956,8 @@ static void msm_isp_handle_done_buf_frame_id_mismatch(
static int msm_isp_process_done_buf(struct vfe_device *vfe_dev, static int msm_isp_process_done_buf(struct vfe_device *vfe_dev,
struct msm_vfe_axi_stream *stream_info, struct msm_isp_buffer *buf, struct msm_vfe_axi_stream *stream_info, struct msm_isp_buffer *buf,
struct timeval *time_stamp, uint32_t frame_id) struct timeval *time_stamp, struct timeval *time_stamp_system,
uint32_t frame_id)
{ {
int rc; int rc;
unsigned long flags; unsigned long flags;
@ -2037,7 +2038,13 @@ static int msm_isp_process_done_buf(struct vfe_device *vfe_dev,
} }
buf_event.frame_id = frame_id; buf_event.frame_id = frame_id;
/* timestamp stores monotonic time */
buf_event.timestamp = *time_stamp; buf_event.timestamp = *time_stamp;
/* for buf_event, mono_timestamp is unused attribute
* reuse this to store system time and propagate to
* userspace
*/
buf_event.mono_timestamp = *time_stamp_system;
buf_event.u.buf_done.session_id = stream_info->session_id; buf_event.u.buf_done.session_id = stream_info->session_id;
buf_event.u.buf_done.stream_id = stream_info->stream_id; buf_event.u.buf_done.stream_id = stream_info->stream_id;
buf_event.u.buf_done.handle = buf->bufq_handle; buf_event.u.buf_done.handle = buf->bufq_handle;
@ -3934,6 +3941,7 @@ void msm_isp_process_axi_irq_stream(struct vfe_device *vfe_dev,
struct msm_isp_buffer *done_buf = NULL; struct msm_isp_buffer *done_buf = NULL;
unsigned long flags; unsigned long flags;
struct timeval *time_stamp; struct timeval *time_stamp;
struct timeval *time_stamp_system;
uint32_t frame_id, buf_index = -1; uint32_t frame_id, buf_index = -1;
struct msm_vfe_axi_stream *temp_stream; struct msm_vfe_axi_stream *temp_stream;
@ -3947,6 +3955,8 @@ void msm_isp_process_axi_irq_stream(struct vfe_device *vfe_dev,
time_stamp = &ts->vt_time; time_stamp = &ts->vt_time;
} else { } else {
time_stamp = &ts->buf_time; time_stamp = &ts->buf_time;
/* store system time */
time_stamp_system = &ts->event_time;
} }
frame_id = vfe_dev->axi_data. frame_id = vfe_dev->axi_data.
@ -4089,7 +4099,7 @@ void msm_isp_process_axi_irq_stream(struct vfe_device *vfe_dev,
} }
msm_isp_process_done_buf(vfe_dev, stream_info, msm_isp_process_done_buf(vfe_dev, stream_info,
done_buf, time_stamp, frame_id); done_buf, time_stamp, time_stamp_system, frame_id);
} }
void msm_isp_process_axi_irq(struct vfe_device *vfe_dev, void msm_isp_process_axi_irq(struct vfe_device *vfe_dev,