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Subject[RFC PATCH 8/9] [media] vivid: add jobs API support for capture device
Date
Add support for jobs in the vivid capture device, using the generic
state handler.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
---
drivers/media/platform/vivid/vivid-core.c | 16 ++++++++++++++++
drivers/media/platform/vivid/vivid-core.h | 2 ++
drivers/media/platform/vivid/vivid-kthread-cap.c | 5 +++++
3 files changed, 23 insertions(+)

diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index ef344b9a48af..161c2199d2aa 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -35,6 +35,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-event.h>
+#include <media/v4l2-job-generic.h>

#include "vivid-core.h"
#include "vivid-vid-common.h"
@@ -639,6 +640,14 @@ static void vivid_dev_release(struct v4l2_device *v4l2_dev)
kfree(dev);
}

+void vivid_process_active_job(struct v4l2_job_state_handler *hdl)
+{
+ struct vivid_dev *dev = container_of(hdl, struct vivid_dev,
+ state_hdl_vid_cap.base);
+
+ vb2_queue_active_job_buffers(&dev->vb_vid_cap_q);
+}
+
static int vivid_create_instance(struct platform_device *pdev, int inst)
{
static const struct v4l2_dv_timings def_dv_timings =
@@ -1071,6 +1080,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
q->min_buffers_needed = 2;
q->lock = &dev->mutex;
q->dev = dev->v4l2_dev.dev;
+ q->state_handler = &dev->state_hdl_vid_cap.base;

ret = vb2_queue_init(q);
if (ret)
@@ -1185,6 +1195,12 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->lock = &dev->mutex;
video_set_drvdata(vfd, dev);

+ ret = v4l2_job_generic_init(&dev->state_hdl_vid_cap,
+ vivid_process_active_job, NULL, vfd);
+ if (ret)
+ return ret;
+
+
#ifdef CONFIG_VIDEO_VIVID_CEC
if (in_type_counter[HDMI]) {
struct cec_adapter *adap;
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h
index 5cdf95bdc4d1..c4014816beb7 100644
--- a/drivers/media/platform/vivid/vivid-core.h
+++ b/drivers/media/platform/vivid/vivid-core.h
@@ -28,6 +28,7 @@
#include <media/v4l2-dev.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-tpg.h>
+#include <media/v4l2-job-generic.h>
#include "vivid-rds-gen.h"
#include "vivid-vbi-gen.h"

@@ -156,6 +157,7 @@ struct vivid_dev {
struct v4l2_ctrl_handler ctrl_hdl_loop_cap;
struct video_device vid_cap_dev;
struct v4l2_ctrl_handler ctrl_hdl_vid_cap;
+ struct v4l2_generic_state_handler state_hdl_vid_cap;
struct video_device vid_out_dev;
struct v4l2_ctrl_handler ctrl_hdl_vid_out;
struct video_device vbi_cap_dev;
diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c
index 6ca71aabb576..b31ebfa55eca 100644
--- a/drivers/media/platform/vivid/vivid-kthread-cap.c
+++ b/drivers/media/platform/vivid/vivid-kthread-cap.c
@@ -683,6 +683,7 @@ static void vivid_thread_vid_cap_tick(struct vivid_dev *dev, int dropped_bufs)
{
struct vivid_buffer *vid_cap_buf = NULL;
struct vivid_buffer *vbi_cap_buf = NULL;
+ bool vid_job_complete;

dprintk(dev, 1, "Video Capture Thread Tick\n");

@@ -700,6 +701,7 @@ static void vivid_thread_vid_cap_tick(struct vivid_dev *dev, int dropped_bufs)
if (!list_empty(&dev->vid_cap_active)) {
vid_cap_buf = list_entry(dev->vid_cap_active.next, struct vivid_buffer, list);
list_del(&vid_cap_buf->list);
+ vid_job_complete = list_empty(&dev->vid_cap_active);
}
if (!list_empty(&dev->vbi_cap_active)) {
if (dev->field_cap != V4L2_FIELD_ALTERNATE ||
@@ -729,6 +731,9 @@ static void vivid_thread_vid_cap_tick(struct vivid_dev *dev, int dropped_bufs)
VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
dprintk(dev, 2, "vid_cap buffer %d done\n",
vid_cap_buf->vb.vb2_buf.index);
+
+ if (vid_job_complete)
+ v4l2_jobqueue_job_finish(&dev->state_hdl_vid_cap.base);
}

if (vbi_cap_buf) {
--
2.14.2.822.g60be5d43e6-goog
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