diff options
author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2019-06-12 19:45:47 -0400 |
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committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-21 16:45:18 -0400 |
commit | a60b42c9218b3fdd33974c94e4c023d99191a114 (patch) | |
tree | 0fd2fccd974d091c5d5b56a2a0eb70808948a983 | |
parent | a59846ce4f26530a457b5a25e7ea5647946ccd71 (diff) | |
download | linux-a60b42c9218b3fdd33974c94e4c023d99191a114.tar.bz2 |
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>
-rw-r--r-- | drivers/media/platform/rcar-vin/rcar-v4l2.c | 102 |
1 files changed, 19 insertions, 83 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index a84a07f1588c..0936bcd98df1 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -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; - - ret = v4l2_ctrl_handler_setup(&vin->ctrl_handler); - if (ret) - goto err_parallel; + } 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; + } } - 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); } |