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media: rcar-vin: Merge Gen2 and Gen3 file operations 

After the rework of the Gen2 file operations it's now trivial to merge
the Gen2 and Gen3 versions.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Niklas Söderlund 2019-06-12 19:45:47 -04:00 committed by Mauro Carvalho Chehab
parent a59846ce4f
commit a60b42c921
1 changed files with 18 additions and 82 deletions
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100
drivers/media/platform/rcar-vin/rcar-v4l2.c
View File

@ -781,16 +781,21 @@ static int rvin_open(struct file *file)
if (ret)
goto err_unlock;
if (v4l2_fh_is_singular_file(file)) {
ret = rvin_power_parallel(vin, true);
if (vin->info->use_mc) {
ret = v4l2_pipeline_pm_use(&vin->vdev.entity, 1);
if (ret < 0)
goto err_open;
} else {
if (v4l2_fh_is_singular_file(file)) {
ret = rvin_power_parallel(vin, true);
if (ret < 0)
goto err_open;
ret = v4l2_ctrl_handler_setup(&vin->ctrl_handler);
if (ret)
goto err_parallel;
ret = v4l2_ctrl_handler_setup(&vin->ctrl_handler);
if (ret)
goto err_parallel;
}
}
mutex_unlock(&vin->lock);
return 0;
@ -820,12 +825,12 @@ static int rvin_release(struct file *file)
/* the release helper will cleanup any on-going streaming */
ret = _vb2_fop_release(file, NULL);
/*
* If this was the last open file.
* Then de-initialize hw module.
*/
if (fh_singular)
rvin_power_parallel(vin, false);
if (vin->info->use_mc) {
v4l2_pipeline_pm_use(&vin->vdev.entity, 0);
} else {
if (fh_singular)
rvin_power_parallel(vin, false);
}
mutex_unlock(&vin->lock);
@ -844,74 +849,6 @@ static const struct v4l2_file_operations rvin_fops = {
.read = vb2_fop_read,
};
/* -----------------------------------------------------------------------------
* Media controller file operations
*/
static int rvin_mc_open(struct file *file)
{
struct rvin_dev *vin = video_drvdata(file);
int ret;
ret = mutex_lock_interruptible(&vin->lock);
if (ret)
return ret;
ret = pm_runtime_get_sync(vin->dev);
if (ret < 0)
goto err_unlock;
ret = v4l2_pipeline_pm_use(&vin->vdev.entity, 1);
if (ret < 0)
goto err_pm;
file->private_data = vin;
ret = v4l2_fh_open(file);
if (ret)
goto err_v4l2pm;
mutex_unlock(&vin->lock);
return 0;
err_v4l2pm:
v4l2_pipeline_pm_use(&vin->vdev.entity, 0);
err_pm:
pm_runtime_put(vin->dev);
err_unlock:
mutex_unlock(&vin->lock);
return ret;
}
static int rvin_mc_release(struct file *file)
{
struct rvin_dev *vin = video_drvdata(file);
int ret;
mutex_lock(&vin->lock);
/* the release helper will cleanup any on-going streaming. */
ret = _vb2_fop_release(file, NULL);
v4l2_pipeline_pm_use(&vin->vdev.entity, 0);
pm_runtime_put(vin->dev);
mutex_unlock(&vin->lock);
return ret;
}
static const struct v4l2_file_operations rvin_mc_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = video_ioctl2,
.open = rvin_mc_open,
.release = rvin_mc_release,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
.read = vb2_fop_read,
};
void rvin_v4l2_unregister(struct rvin_dev *vin)
{
if (!video_is_registered(&vin->vdev))
@ -952,6 +889,7 @@ int rvin_v4l2_register(struct rvin_dev *vin)
snprintf(vdev->name, sizeof(vdev->name), "VIN%u output", vin->id);
vdev->release = video_device_release_empty;
vdev->lock = &vin->lock;
vdev->fops = &rvin_fops;
vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
V4L2_CAP_READWRITE;
@ -963,10 +901,8 @@ int rvin_v4l2_register(struct rvin_dev *vin)
vin->format.colorspace = RVIN_DEFAULT_COLORSPACE;
if (vin->info->use_mc) {
vdev->fops = &rvin_mc_fops;
vdev->ioctl_ops = &rvin_mc_ioctl_ops;
} else {
vdev->fops = &rvin_fops;
vdev->ioctl_ops = &rvin_ioctl_ops;
rvin_reset_format(vin);
}