media: vivid: add mc

Add support for the media_device to vivid. This is a prerequisite
for request support.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-05-21 04:54:58 -04:00 committed by Mauro Carvalho Chehab
parent 86b93b2c95
commit 945b07b163
2 changed files with 69 additions and 0 deletions

View File

@ -657,6 +657,15 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
dev->inst = inst;
#ifdef CONFIG_MEDIA_CONTROLLER
dev->v4l2_dev.mdev = &dev->mdev;
/* Initialize media device */
strlcpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model));
dev->mdev.dev = &pdev->dev;
media_device_init(&dev->mdev);
#endif
/* register v4l2_device */
snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
"%s-%03d", VIVID_MODULE_NAME, inst);
@ -1174,6 +1183,13 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->lock = &dev->mutex;
video_set_drvdata(vfd, dev);
#ifdef CONFIG_MEDIA_CONTROLLER
dev->vid_cap_pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_cap_pad);
if (ret)
goto unreg_dev;
#endif
#ifdef CONFIG_VIDEO_VIVID_CEC
if (in_type_counter[HDMI]) {
struct cec_adapter *adap;
@ -1226,6 +1242,13 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->lock = &dev->mutex;
video_set_drvdata(vfd, dev);
#ifdef CONFIG_MEDIA_CONTROLLER
dev->vid_out_pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_out_pad);
if (ret)
goto unreg_dev;
#endif
#ifdef CONFIG_VIDEO_VIVID_CEC
for (i = 0; i < dev->num_outputs; i++) {
struct cec_adapter *adap;
@ -1275,6 +1298,13 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->tvnorms = tvnorms_cap;
video_set_drvdata(vfd, dev);
#ifdef CONFIG_MEDIA_CONTROLLER
dev->vbi_cap_pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_cap_pad);
if (ret)
goto unreg_dev;
#endif
ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_cap_nr[inst]);
if (ret < 0)
goto unreg_dev;
@ -1300,6 +1330,13 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->tvnorms = tvnorms_out;
video_set_drvdata(vfd, dev);
#ifdef CONFIG_MEDIA_CONTROLLER
dev->vbi_out_pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_out_pad);
if (ret)
goto unreg_dev;
#endif
ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_out_nr[inst]);
if (ret < 0)
goto unreg_dev;
@ -1323,6 +1360,13 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
vfd->lock = &dev->mutex;
video_set_drvdata(vfd, dev);
#ifdef CONFIG_MEDIA_CONTROLLER
dev->sdr_cap_pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&vfd->entity, 1, &dev->sdr_cap_pad);
if (ret)
goto unreg_dev;
#endif
ret = video_register_device(vfd, VFL_TYPE_SDR, sdr_cap_nr[inst]);
if (ret < 0)
goto unreg_dev;
@ -1369,12 +1413,25 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
video_device_node_name(vfd));
}
#ifdef CONFIG_MEDIA_CONTROLLER
/* Register the media device */
ret = media_device_register(&dev->mdev);
if (ret) {
dev_err(dev->mdev.dev,
"media device register failed (err=%d)\n", ret);
goto unreg_dev;
}
#endif
/* Now that everything is fine, let's add it to device list */
vivid_devs[inst] = dev;
return 0;
unreg_dev:
#ifdef CONFIG_MEDIA_CONTROLLER
media_device_unregister(&dev->mdev);
#endif
video_unregister_device(&dev->radio_tx_dev);
video_unregister_device(&dev->radio_rx_dev);
video_unregister_device(&dev->sdr_cap_dev);
@ -1445,6 +1502,10 @@ static int vivid_remove(struct platform_device *pdev)
if (!dev)
continue;
#ifdef CONFIG_MEDIA_CONTROLLER
media_device_unregister(&dev->mdev);
#endif
if (dev->has_vid_cap) {
v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
video_device_node_name(&dev->vid_cap_dev));

View File

@ -136,6 +136,14 @@ struct vivid_cec_work {
struct vivid_dev {
unsigned inst;
struct v4l2_device v4l2_dev;
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device mdev;
struct media_pad vid_cap_pad;
struct media_pad vid_out_pad;
struct media_pad vbi_cap_pad;
struct media_pad vbi_out_pad;
struct media_pad sdr_cap_pad;
#endif
struct v4l2_ctrl_handler ctrl_hdl_user_gen;
struct v4l2_ctrl_handler ctrl_hdl_user_vid;
struct v4l2_ctrl_handler ctrl_hdl_user_aud;