static int mxl111sf_attach_tuner(struct dvb_usb_adapter *adap)
{
struct mxl111sf_state *state = adap_to_priv(adap);
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
struct media_device *mdev = dvb_get_media_controller(&adap->dvb_adap);
int ret;
#endif
int i;
pr_debug("%s()\n", __func__);
for (i = 0; i < state->num_frontends; i++) {
if (dvb_attach(mxl111sf_tuner_attach, adap->fe[i], state,
&mxl_tuner_config) == NULL)
return -EIO;
adap->fe[i]->ops.read_signal_strength = adap->fe[i]->ops.tuner_ops.get_rf_strength;
}
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
state->tuner.function = MEDIA_ENT_F_TUNER;
state->tuner.name = "mxl111sf tuner";
state->tuner_pads[TUNER_PAD_RF_INPUT].flags = MEDIA_PAD_FL_SINK;
state->tuner_pads[TUNER_PAD_IF_OUTPUT].flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&state->tuner,
TUNER_NUM_PADS, state->tuner_pads);
if (ret)
return ret;
ret = media_device_register_entity(mdev, &state->tuner);
if (ret)
return ret;
#endif
return 0;
}
static int dvb_create_tsout_entity(struct dvb_device *dvbdev,
const char *name, int npads)
{
int i, ret = 0;
dvbdev->tsout_pads = kcalloc(npads, sizeof(*dvbdev->tsout_pads),
GFP_KERNEL);
if (!dvbdev->tsout_pads)
return -ENOMEM;
dvbdev->tsout_entity = kcalloc(npads, sizeof(*dvbdev->tsout_entity),
GFP_KERNEL);
if (!dvbdev->tsout_entity)
return -ENOMEM;
dvbdev->tsout_num_entities = npads;
for (i = 0; i < npads; i++) {
struct media_pad *pads = &dvbdev->tsout_pads[i];
struct media_entity *entity = &dvbdev->tsout_entity[i];
entity->name = kasprintf(GFP_KERNEL, "%s #%d", name, i);
if (!entity->name)
return -ENOMEM;
entity->function = MEDIA_ENT_F_IO_DTV;
pads->flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(entity, 1, pads);
if (ret < 0)
return ret;
ret = media_device_register_entity(dvbdev->adapter->mdev,
entity);
if (ret < 0)
return ret;
}
return 0;
}
static int dvb_create_media_entity(struct dvb_device *dvbdev,
int type, int demux_sink_pads)
{
int i, ret, npads;
switch (type) {
case DVB_DEVICE_FRONTEND:
npads = 2;
break;
case DVB_DEVICE_DVR:
ret = dvb_create_tsout_entity(dvbdev, DVR_TSOUT,
demux_sink_pads);
return ret;
case DVB_DEVICE_DEMUX:
npads = 1 + demux_sink_pads;
ret = dvb_create_tsout_entity(dvbdev, DEMUX_TSOUT,
demux_sink_pads);
if (ret < 0)
return ret;
break;
case DVB_DEVICE_CA:
npads = 2;
break;
case DVB_DEVICE_NET:
/*
* We should be creating entities for the MPE/ULE
* decapsulation hardware (or software implementation).
*
* However, the number of for the MPE/ULE decaps may not be
* fixed. As we don't have yet dynamic support for PADs at
* the Media Controller, let's not create the decap
* entities yet.
*/
return 0;
default:
return 0;
}
dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL);
if (!dvbdev->entity)
return -ENOMEM;
dvbdev->entity->name = dvbdev->name;
if (npads) {
dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads),
GFP_KERNEL);
if (!dvbdev->pads)
return -ENOMEM;
}
switch (type) {
case DVB_DEVICE_FRONTEND:
dvbdev->entity->function = MEDIA_ENT_F_DTV_DEMOD;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;
break;
case DVB_DEVICE_DEMUX:
dvbdev->entity->function = MEDIA_ENT_F_TS_DEMUX;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
for (i = 1; i < npads; i++)
dvbdev->pads[i].flags = MEDIA_PAD_FL_SOURCE;
break;
case DVB_DEVICE_CA:
dvbdev->entity->function = MEDIA_ENT_F_DTV_CA;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;
break;
default:
/* Should never happen, as the first switch prevents it */
kfree(dvbdev->entity);
kfree(dvbdev->pads);
dvbdev->entity = NULL;
dvbdev->pads = NULL;
return 0;
}
if (npads) {
ret = media_entity_pads_init(dvbdev->entity, npads, dvbdev->pads);
if (ret)
return ret;
}
ret = media_device_register_entity(dvbdev->adapter->mdev,
dvbdev->entity);
if (ret)
return ret;
pr_info("%s: media entity '%s' registered.\n",
__func__, dvbdev->entity->name);
return 0;
}
static void dvb_register_media_device(struct dvb_device *dvbdev,
int type, int minor)
{
#if defined(CONFIG_MEDIA_CONTROLLER_DVB)
int ret = 0, npads;
if (!dvbdev->adapter->mdev)
return;
dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL);
if (!dvbdev->entity)
return;
dvbdev->entity->info.dev.major = DVB_MAJOR;
dvbdev->entity->info.dev.minor = minor;
dvbdev->entity->name = dvbdev->name;
switch (type) {
case DVB_DEVICE_CA:
case DVB_DEVICE_DEMUX:
case DVB_DEVICE_FRONTEND:
npads = 2;
break;
case DVB_DEVICE_NET:
npads = 0;
break;
default:
npads = 1;
}
if (npads) {
dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads),
GFP_KERNEL);
if (!dvbdev->pads) {
kfree(dvbdev->entity);
return;
}
}
switch (type) {
case DVB_DEVICE_FRONTEND:
dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_FE;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;
break;
case DVB_DEVICE_DEMUX:
dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_DEMUX;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;
break;
case DVB_DEVICE_DVR:
dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_DVR;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
break;
case DVB_DEVICE_CA:
dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_CA;
dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;
dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;
break;
case DVB_DEVICE_NET:
dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_NET;
break;
default:
kfree(dvbdev->entity);
dvbdev->entity = NULL;
return;
}
if (npads)
ret = media_entity_init(dvbdev->entity, npads, dvbdev->pads, 0);
if (!ret)
ret = media_device_register_entity(dvbdev->adapter->mdev,
dvbdev->entity);
if (ret < 0) {
printk(KERN_ERR
"%s: media_device_register_entity failed for %s\n",
__func__, dvbdev->entity->name);
kfree(dvbdev->pads);
kfree(dvbdev->entity);
dvbdev->entity = NULL;
return;
}
printk(KERN_DEBUG "%s: media device '%s' registered.\n",
__func__, dvbdev->entity->name);
#endif
}
