diff options
Diffstat (limited to 'drivers/media/pci/saa7134')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-core.c | 191 | ||||
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-dvb.c | 9 | ||||
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 60 | ||||
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134.h | 13 |
4 files changed, 268 insertions, 5 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c index 31048f9b516a..42bc4172febd 100644 --- a/drivers/media/pci/saa7134/saa7134-core.c +++ b/drivers/media/pci/saa7134/saa7134-core.c @@ -806,6 +806,153 @@ static void must_configure_manually(int has_eeprom) } } +static void saa7134_unregister_media_device(struct saa7134_dev *dev) +{ + +#ifdef CONFIG_MEDIA_CONTROLLER + if (!dev->media_dev) + return; + media_device_unregister(dev->media_dev); + media_device_cleanup(dev->media_dev); + kfree(dev->media_dev); + dev->media_dev = NULL; +#endif +} + +static void saa7134_media_release(struct saa7134_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + int i; + + for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) + media_device_unregister_entity(&dev->input_ent[i]); +#endif +} + +static void saa7134_create_entities(struct saa7134_dev *dev) +{ +#if defined(CONFIG_MEDIA_CONTROLLER) + int ret, i; + struct media_entity *entity; + struct media_entity *decoder = NULL; + + /* Check if it is using an external analog TV demod */ + media_device_for_each_entity(entity, dev->media_dev) { + if (entity->function == MEDIA_ENT_F_ATV_DECODER) + decoder = entity; + break; + } + + /* + * saa713x is not using an external ATV demod. + * Register the internal one + */ + if (!decoder) { + dev->demod.name = "saa713x"; + dev->demod_pad[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; + dev->demod_pad[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; + dev->demod_pad[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; + dev->demod.function = MEDIA_ENT_F_ATV_DECODER; + + ret = media_entity_pads_init(&dev->demod, DEMOD_NUM_PADS, + dev->demod_pad); + if (ret < 0) + pr_err("failed to initialize demod pad!\n"); + + ret = media_device_register_entity(dev->media_dev, &dev->demod); + if (ret < 0) + pr_err("failed to register demod entity!\n"); + + dev->decoder = &dev->demod; + } else { + dev->decoder = decoder; + } + + /* Initialize Video, VBI and Radio pads */ + dev->video_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&dev->video_dev->entity, 1, + &dev->video_pad); + if (ret < 0) + pr_err("failed to initialize video media entity!\n"); + + dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, + &dev->vbi_pad); + if (ret < 0) + pr_err("failed to initialize vbi media entity!\n"); + + /* Create entities for each input connector */ + for (i = 0; i < SAA7134_INPUT_MAX; i++) { + struct media_entity *ent = &dev->input_ent[i]; + struct saa7134_input *in = &card_in(dev, i); + + if (in->type == SAA7134_NO_INPUT) + break; + + /* This input uses the S-Video connector */ + if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) + continue; + + ent->name = saa7134_input_name[in->type]; + ent->flags = MEDIA_ENT_FL_CONNECTOR; + dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; + + switch (in->type) { + case SAA7134_INPUT_COMPOSITE: + case SAA7134_INPUT_COMPOSITE0: + case SAA7134_INPUT_COMPOSITE1: + case SAA7134_INPUT_COMPOSITE2: + case SAA7134_INPUT_COMPOSITE3: + case SAA7134_INPUT_COMPOSITE4: + ent->function = MEDIA_ENT_F_CONN_COMPOSITE; + break; + case SAA7134_INPUT_SVIDEO: + case SAA7134_INPUT_SVIDEO0: + case SAA7134_INPUT_SVIDEO1: + ent->function = MEDIA_ENT_F_CONN_SVIDEO; + break; + default: + /* + * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. + * + * Please notice that neither SAA7134_INPUT_MUTE or + * SAA7134_INPUT_RADIO are defined at + * saa7134_board.input. + */ + ent->function = MEDIA_ENT_F_CONN_RF; + break; + } + + ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); + if (ret < 0) + pr_err("failed to initialize input pad[%d]!\n", i); + + ret = media_device_register_entity(dev->media_dev, ent); + if (ret < 0) + pr_err("failed to register input entity %d!\n", i); + } + + /* Create input for Radio RF connector */ + if (card_has_radio(dev)) { + struct saa7134_input *in = &saa7134_boards[dev->board].radio; + struct media_entity *ent = &dev->input_ent[i]; + + ent->name = saa7134_input_name[in->type]; + ent->flags = MEDIA_ENT_FL_CONNECTOR; + dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; + ent->function = MEDIA_ENT_F_CONN_RF; + + ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); + if (ret < 0) + pr_err("failed to initialize input pad[%d]!\n", i); + + ret = media_device_register_entity(dev->media_dev, ent); + if (ret < 0) + pr_err("failed to register input entity %d!\n", i); + } +#endif +} + static struct video_device *vdev_init(struct saa7134_dev *dev, struct video_device *template, char *type) @@ -826,6 +973,8 @@ static struct video_device *vdev_init(struct saa7134_dev *dev, static void saa7134_unregister_video(struct saa7134_dev *dev) { + saa7134_media_release(dev); + if (dev->video_dev) { if (video_is_registered(dev->video_dev)) video_unregister_device(dev->video_dev); @@ -889,6 +1038,18 @@ static int saa7134_initdev(struct pci_dev *pci_dev, if (NULL == dev) return -ENOMEM; + dev->nr = saa7134_devcount; + sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); + +#ifdef CONFIG_MEDIA_CONTROLLER + dev->media_dev = v4l2_mc_pci_media_device_init(pci_dev, dev->name); + if (!dev->media_dev) { + err = -ENOMEM; + goto fail0; + } + dev->v4l2_dev.mdev = dev->media_dev; +#endif + err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); if (err) goto fail0; @@ -900,9 +1061,6 @@ static int saa7134_initdev(struct pci_dev *pci_dev, goto fail1; } - dev->nr = saa7134_devcount; - sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); - /* pci quirks */ if (pci_pci_problems) { if (pci_pci_problems & PCIPCI_TRITON) @@ -1102,6 +1260,15 @@ static int saa7134_initdev(struct pci_dev *pci_dev, dev->name, video_device_node_name(dev->radio_dev)); } +#ifdef CONFIG_MEDIA_CONTROLLER + saa7134_create_entities(dev); + + err = v4l2_mc_create_media_graph(dev->media_dev); + if (err) { + pr_err("failed to create media graph\n"); + goto fail5; + } +#endif /* everything worked */ saa7134_devcount++; @@ -1109,6 +1276,18 @@ static int saa7134_initdev(struct pci_dev *pci_dev, saa7134_dmasound_init(dev); request_submodules(dev); + + /* + * Do it at the end, to reduce dynamic configuration changes during + * the device init. Yet, as request_modules() can be async, the + * topology will likely change after load the saa7134 subdrivers. + */ +#ifdef CONFIG_MEDIA_CONTROLLER + err = media_device_register(dev->media_dev); + if (err) + goto fail5; +#endif + return 0; fail5: @@ -1126,6 +1305,9 @@ static int saa7134_initdev(struct pci_dev *pci_dev, fail1: v4l2_device_unregister(&dev->v4l2_dev); fail0: +#ifdef CONFIG_MEDIA_CONTROLLER + kfree(dev->media_dev); +#endif kfree(dev); return err; } @@ -1188,9 +1370,10 @@ static void saa7134_finidev(struct pci_dev *pci_dev) release_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); - v4l2_device_unregister(&dev->v4l2_dev); + saa7134_unregister_media_device(dev); + /* free memory */ kfree(dev); } diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c index ed84f7dea94c..db987e5b93eb 100644 --- a/drivers/media/pci/saa7134/saa7134-dvb.c +++ b/drivers/media/pci/saa7134/saa7134-dvb.c @@ -1883,8 +1883,15 @@ static int dvb_init(struct saa7134_dev *dev) fe0->dvb.frontend->callback = saa7134_tuner_callback; /* register everything else */ +#ifndef CONFIG_MEDIA_CONTROLLER_DVB ret = vb2_dvb_register_bus(&dev->frontends, THIS_MODULE, dev, - &dev->pci->dev, NULL, adapter_nr, 0); + &dev->pci->dev, NULL, + adapter_nr, 0); +#else + ret = vb2_dvb_register_bus(&dev->frontends, THIS_MODULE, dev, + &dev->pci->dev, dev->media_dev, + adapter_nr, 0); +#endif /* this sequence is necessary to make the tda1004x load its firmware * and to enter analog mode of hybrid boards diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 9debfb549887..0403b34624c1 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -785,6 +785,63 @@ static int stop_preview(struct saa7134_dev *dev) return 0; } +/* + * Media Controller helper functions + */ + +static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct media_entity *source; + struct media_link *link, *found_link = NULL; + int ret, active_links = 0; + + if (!mdev || !dev->decoder) + return 0; + + /* + * This will find the tuner that is connected into the decoder. + * Technically, this is not 100% correct, as the device may be + * using an analog input instead of the tuner. However, as we can't + * do DVB streaming while the DMA engine is being used for V4L2, + * this should be enough for the actual needs. + */ + list_for_each_entry(link, &dev->decoder->links, list) { + if (link->sink->entity == dev->decoder) { + found_link = link; + if (link->flags & MEDIA_LNK_FL_ENABLED) + active_links++; + break; + } + } + + if (active_links == 1 || !found_link) + return 0; + + source = found_link->source->entity; + list_for_each_entry(link, &source->links, list) { + struct media_entity *sink; + int flags = 0; + + sink = link->sink->entity; + + if (sink == dev->decoder) + flags = MEDIA_LNK_FL_ENABLED; + + ret = media_entity_setup_link(link, flags); + if (ret) { + pr_err("Couldn't change link %s->%s to %s. Error %d\n", + source->name, sink->name, + flags ? "enabled" : "disabled", + ret); + return ret; + } + } +#endif + return 0; +} + /* ------------------------------------------------------------------ */ static int buffer_activate(struct saa7134_dev *dev, @@ -924,6 +981,9 @@ static int queue_setup(struct vb2_queue *q, *nplanes = 1; sizes[0] = size; alloc_ctxs[0] = dev->alloc_ctx; + + saa7134_enable_analog_tuner(dev); + return 0; } diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h index e3e2392f87d6..8936568fab94 100644 --- a/drivers/media/pci/saa7134/saa7134.h +++ b/drivers/media/pci/saa7134/saa7134.h @@ -671,6 +671,19 @@ struct saa7134_dev { /* I2C keyboard data */ struct IR_i2c_init_data init_data; +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *media_dev; + + struct media_entity input_ent[SAA7134_INPUT_MAX + 1]; + struct media_pad input_pad[SAA7134_INPUT_MAX + 1]; + + struct media_entity demod; + struct media_pad demod_pad[DEMOD_NUM_PADS]; + + struct media_pad video_pad, vbi_pad; + struct media_entity *decoder; +#endif + #if IS_ENABLED(CONFIG_VIDEO_SAA7134_DVB) /* SAA7134_MPEG_DVB only */ struct vb2_dvb_frontends frontends; |
