mirror of https://gitee.com/openkylin/linux.git
[media] v4l: vsp1: Make the userspace API optional
The R-Car Gen3 SoCs include VSP instances dedicated to the DU that will be controlled entirely by the rcar-du-drm driver through the KMS API. To support that use case make the userspace V4L2 API optional. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -50,6 +50,7 @@ struct vsp1_platform_data {
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unsigned int uds_count;
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unsigned int wpf_count;
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unsigned int num_bru_inputs;
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bool uapi;
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};
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struct vsp1_device {
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@ -143,6 +143,9 @@ static int vsp1_create_links(struct vsp1_device *vsp1)
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return ret;
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}
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if (!vsp1->pdata.uapi)
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return 0;
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for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
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struct vsp1_rwpf *rpf = vsp1->rpf[i];
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@ -267,7 +270,6 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
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}
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for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
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struct vsp1_video *video;
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struct vsp1_rwpf *rpf;
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rpf = vsp1_rpf_create(vsp1, i);
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@ -279,13 +281,16 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
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vsp1->rpf[i] = rpf;
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list_add_tail(&rpf->entity.list_dev, &vsp1->entities);
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video = vsp1_video_create(vsp1, rpf);
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if (IS_ERR(video)) {
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ret = PTR_ERR(video);
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goto done;
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}
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if (vsp1->pdata.uapi) {
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struct vsp1_video *video = vsp1_video_create(vsp1, rpf);
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list_add_tail(&video->list, &vsp1->videos);
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if (IS_ERR(video)) {
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ret = PTR_ERR(video);
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goto done;
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}
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list_add_tail(&video->list, &vsp1->videos);
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}
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}
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if (vsp1->pdata.features & VSP1_HAS_SRU) {
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@ -312,7 +317,6 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
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}
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for (i = 0; i < vsp1->pdata.wpf_count; ++i) {
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struct vsp1_video *video;
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struct vsp1_rwpf *wpf;
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wpf = vsp1_wpf_create(vsp1, i);
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@ -324,14 +328,17 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
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vsp1->wpf[i] = wpf;
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list_add_tail(&wpf->entity.list_dev, &vsp1->entities);
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video = vsp1_video_create(vsp1, wpf);
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if (IS_ERR(video)) {
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ret = PTR_ERR(video);
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goto done;
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}
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if (vsp1->pdata.uapi) {
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struct vsp1_video *video = vsp1_video_create(vsp1, wpf);
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list_add_tail(&video->list, &vsp1->videos);
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wpf->entity.sink = &video->video.entity;
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if (IS_ERR(video)) {
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ret = PTR_ERR(video);
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goto done;
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}
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list_add_tail(&video->list, &vsp1->videos);
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wpf->entity.sink = &video->video.entity;
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}
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}
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/* Register all subdevs. */
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@ -347,9 +354,11 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
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if (ret < 0)
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goto done;
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ret = v4l2_device_register_subdev_nodes(&vsp1->v4l2_dev);
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if (ret < 0)
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goto done;
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if (vsp1->pdata.uapi) {
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ret = v4l2_device_register_subdev_nodes(&vsp1->v4l2_dev);
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if (ret < 0)
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goto done;
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}
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ret = media_device_register(mdev);
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@ -545,6 +554,7 @@ static int vsp1_parse_dt(struct vsp1_device *vsp1)
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pdata->features |= VSP1_HAS_BRU;
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pdata->num_bru_inputs = 4;
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pdata->uapi = true;
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return 0;
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}
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@ -45,7 +45,7 @@ int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming)
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if (!streaming)
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return 0;
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if (!entity->subdev.ctrl_handler)
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if (!entity->vsp1->pdata.uapi || !entity->subdev.ctrl_handler)
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return 0;
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ret = v4l2_ctrl_handler_setup(entity->subdev.ctrl_handler);
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@ -151,11 +151,13 @@ static int sru_s_stream(struct v4l2_subdev *subdev, int enable)
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/* Take the control handler lock to ensure that the CTRL0 value won't be
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* changed behind our back by a set control operation.
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*/
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mutex_lock(sru->ctrls.lock);
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if (sru->entity.vsp1->pdata.uapi)
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mutex_lock(sru->ctrls.lock);
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ctrl0 |= vsp1_sru_read(sru, VI6_SRU_CTRL0)
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& (VI6_SRU_CTRL0_PARAM0_MASK | VI6_SRU_CTRL0_PARAM1_MASK);
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vsp1_sru_write(sru, VI6_SRU_CTRL0, ctrl0);
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mutex_unlock(sru->ctrls.lock);
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if (sru->entity.vsp1->pdata.uapi)
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mutex_unlock(sru->ctrls.lock);
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vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5);
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@ -151,10 +151,12 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable)
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/* Take the control handler lock to ensure that the PDV value won't be
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* changed behind our back by a set control operation.
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*/
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mutex_lock(wpf->ctrls.lock);
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if (vsp1->pdata.uapi)
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mutex_lock(wpf->ctrls.lock);
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outfmt |= vsp1_wpf_read(wpf, VI6_WPF_OUTFMT) & VI6_WPF_OUTFMT_PDV_MASK;
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vsp1_wpf_write(wpf, VI6_WPF_OUTFMT, outfmt);
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mutex_unlock(wpf->ctrls.lock);
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if (vsp1->pdata.uapi)
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mutex_unlock(wpf->ctrls.lock);
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vsp1_write(vsp1, VI6_DPR_WPF_FPORCH(wpf->entity.index),
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VI6_DPR_WPF_FPORCH_FP_WPFN);
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