diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/s5p-tv/mixer_video.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c index 82142a2d6d93..24fb38177c82 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -559,6 +559,79 @@ static int mxr_g_dv_preset(struct file *file, void *fh, return ret ? -EINVAL : 0; } +static int mxr_enum_dv_timings(struct file *file, void *fh, + struct v4l2_enum_dv_timings *timings) +{ + struct mxr_layer *layer = video_drvdata(file); + struct mxr_device *mdev = layer->mdev; + int ret; + + /* lock protects from changing sd_out */ + mutex_lock(&mdev->mutex); + ret = v4l2_subdev_call(to_outsd(mdev), video, enum_dv_timings, timings); + mutex_unlock(&mdev->mutex); + + return ret ? -EINVAL : 0; +} + +static int mxr_s_dv_timings(struct file *file, void *fh, + struct v4l2_dv_timings *timings) +{ + struct mxr_layer *layer = video_drvdata(file); + struct mxr_device *mdev = layer->mdev; + int ret; + + /* lock protects from changing sd_out */ + mutex_lock(&mdev->mutex); + + /* timings change cannot be done while there is an entity + * dependant on output configuration + */ + if (mdev->n_output > 0) { + mutex_unlock(&mdev->mutex); + return -EBUSY; + } + + ret = v4l2_subdev_call(to_outsd(mdev), video, s_dv_timings, timings); + + mutex_unlock(&mdev->mutex); + + mxr_layer_update_output(layer); + + /* any failure should return EINVAL according to V4L2 doc */ + return ret ? -EINVAL : 0; +} + +static int mxr_g_dv_timings(struct file *file, void *fh, + struct v4l2_dv_timings *timings) +{ + struct mxr_layer *layer = video_drvdata(file); + struct mxr_device *mdev = layer->mdev; + int ret; + + /* lock protects from changing sd_out */ + mutex_lock(&mdev->mutex); + ret = v4l2_subdev_call(to_outsd(mdev), video, g_dv_timings, timings); + mutex_unlock(&mdev->mutex); + + return ret ? -EINVAL : 0; +} + +static int mxr_dv_timings_cap(struct file *file, void *fh, + struct v4l2_dv_timings_cap *cap) +{ + struct mxr_layer *layer = video_drvdata(file); + struct mxr_device *mdev = layer->mdev; + int ret; + + /* lock protects from changing sd_out */ + mutex_lock(&mdev->mutex); + ret = v4l2_subdev_call(to_outsd(mdev), video, dv_timings_cap, cap); + mutex_unlock(&mdev->mutex); + + return ret ? -EINVAL : 0; +} + static int mxr_s_std(struct file *file, void *fh, v4l2_std_id *norm) { struct mxr_layer *layer = video_drvdata(file); @@ -618,6 +691,8 @@ static int mxr_enum_output(struct file *file, void *fh, struct v4l2_output *a) a->capabilities = 0; if (sd->ops->video && sd->ops->video->s_dv_preset) a->capabilities |= V4L2_OUT_CAP_PRESETS; + if (sd->ops->video && sd->ops->video->s_dv_timings) + a->capabilities |= V4L2_OUT_CAP_DV_TIMINGS; if (sd->ops->video && sd->ops->video->s_std_output) a->capabilities |= V4L2_OUT_CAP_STD; a->type = V4L2_OUTPUT_TYPE_ANALOG; @@ -742,6 +817,11 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = { .vidioc_enum_dv_presets = mxr_enum_dv_presets, .vidioc_s_dv_preset = mxr_s_dv_preset, .vidioc_g_dv_preset = mxr_g_dv_preset, + /* DV Timings functions */ + .vidioc_enum_dv_timings = mxr_enum_dv_timings, + .vidioc_s_dv_timings = mxr_s_dv_timings, + .vidioc_g_dv_timings = mxr_g_dv_timings, + .vidioc_dv_timings_cap = mxr_dv_timings_cap, /* analog TV standard functions */ .vidioc_s_std = mxr_s_std, .vidioc_g_std = mxr_g_std, |