diff options
Diffstat (limited to 'drivers/media/usb/au0828')
| -rw-r--r-- | drivers/media/usb/au0828/au0828-cards.c | 4 | ||||
| -rw-r--r-- | drivers/media/usb/au0828/au0828-core.c | 466 | ||||
| -rw-r--r-- | drivers/media/usb/au0828/au0828-dvb.c | 12 | ||||
| -rw-r--r-- | drivers/media/usb/au0828/au0828-video.c | 190 | ||||
| -rw-r--r-- | drivers/media/usb/au0828/au0828.h | 27 |
5 files changed, 489 insertions, 210 deletions
diff --git a/drivers/media/usb/au0828/au0828-cards.c b/drivers/media/usb/au0828/au0828-cards.c index ca861aea6..6b469e8c4 100644 --- a/drivers/media/usb/au0828/au0828-cards.c +++ b/drivers/media/usb/au0828/au0828-cards.c @@ -228,10 +228,6 @@ void au0828_card_analog_fe_setup(struct au0828_dev *dev) "au8522", 0x8e >> 1, NULL); if (sd == NULL) pr_err("analog subdev registration failed\n"); -#ifdef CONFIG_MEDIA_CONTROLLER - if (sd) - dev->decoder = &sd->entity; -#endif } /* Setup tuners */ diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index d8988801d..cc22b3277 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -20,6 +20,7 @@ */ #include "au0828.h" +#include "au8522.h" #include <linux/module.h> #include <linux/slab.h> @@ -134,7 +135,13 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) { #ifdef CONFIG_MEDIA_CONTROLLER - if (dev->media_dev) { + if (dev->media_dev && + media_devnode_is_registered(&dev->media_dev->devnode)) { + /* clear enable_source, disable_source */ + dev->media_dev->source_priv = NULL; + dev->media_dev->enable_source = NULL; + dev->media_dev->disable_source = NULL; + media_device_unregister(dev->media_dev); media_device_cleanup(dev->media_dev); kfree(dev->media_dev); @@ -143,7 +150,7 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) #endif } -static void au0828_usb_release(struct au0828_dev *dev) +void au0828_usb_release(struct au0828_dev *dev) { au0828_unregister_media_device(dev); @@ -153,33 +160,6 @@ static void au0828_usb_release(struct au0828_dev *dev) kfree(dev); } -#ifdef CONFIG_VIDEO_AU0828_V4L2 - -static void au0828_usb_v4l2_media_release(struct au0828_dev *dev) -{ -#ifdef CONFIG_MEDIA_CONTROLLER - int i; - - for (i = 0; i < AU0828_MAX_INPUT; i++) { - if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) - return; - media_device_unregister_entity(&dev->input_ent[i]); - } -#endif -} - -static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev) -{ - struct au0828_dev *dev = - container_of(v4l2_dev, struct au0828_dev, v4l2_dev); - - v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl); - v4l2_device_unregister(&dev->v4l2_dev); - au0828_usb_v4l2_media_release(dev); - au0828_usb_release(dev); -} -#endif - static void au0828_usb_disconnect(struct usb_interface *interface) { struct au0828_dev *dev = usb_get_intfdata(interface); @@ -202,18 +182,13 @@ static void au0828_usb_disconnect(struct usb_interface *interface) mutex_lock(&dev->mutex); dev->usbdev = NULL; mutex_unlock(&dev->mutex); -#ifdef CONFIG_VIDEO_AU0828_V4L2 - if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { - au0828_analog_unregister(dev); - v4l2_device_disconnect(&dev->v4l2_dev); - v4l2_device_put(&dev->v4l2_dev); + if (au0828_analog_unregister(dev)) { /* * No need to call au0828_usb_release() if V4L2 is enabled, * as this is already called via au0828_usb_v4l2_release() */ return; } -#endif au0828_usb_release(dev); } @@ -227,99 +202,342 @@ static int au0828_media_device_init(struct au0828_dev *dev, if (!mdev) return -ENOMEM; - mdev->dev = &udev->dev; - - if (!dev->board.name) - strlcpy(mdev->model, "unknown au0828", sizeof(mdev->model)); - else - strlcpy(mdev->model, dev->board.name, sizeof(mdev->model)); - if (udev->serial) - strlcpy(mdev->serial, udev->serial, sizeof(mdev->serial)); - strcpy(mdev->bus_info, udev->devpath); - mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice); - mdev->driver_version = LINUX_VERSION_CODE; - - media_device_init(mdev); + /* check if media device is already initialized */ + if (!mdev->dev) + media_device_usb_init(mdev, udev, udev->product); dev->media_dev = mdev; #endif return 0; } +#ifdef CONFIG_MEDIA_CONTROLLER +static void au0828_media_graph_notify(struct media_entity *new, + void *notify_data) +{ + struct au0828_dev *dev = (struct au0828_dev *) notify_data; + int ret; + struct media_entity *entity, *mixer = NULL, *decoder = NULL; + + if (!new) { + /* + * Called during au0828 probe time to connect + * entites that were created prior to registering + * the notify handler. Find mixer and decoder. + */ + media_device_for_each_entity(entity, dev->media_dev) { + if (entity->function == MEDIA_ENT_F_AUDIO_MIXER) + mixer = entity; + else if (entity->function == MEDIA_ENT_F_ATV_DECODER) + decoder = entity; + } + goto create_link; + } + + switch (new->function) { + case MEDIA_ENT_F_AUDIO_MIXER: + mixer = new; + if (dev->decoder) + decoder = dev->decoder; + break; + case MEDIA_ENT_F_ATV_DECODER: + /* In case, Mixer is added first, find mixer and create link */ + media_device_for_each_entity(entity, dev->media_dev) { + if (entity->function == MEDIA_ENT_F_AUDIO_MIXER) + mixer = entity; + } + decoder = new; + break; + default: + break; + } + +create_link: + if (decoder && mixer) { + ret = media_create_pad_link(decoder, + DEMOD_PAD_AUDIO_OUT, + mixer, 0, + MEDIA_LNK_FL_ENABLED); + if (ret) + dev_err(&dev->usbdev->dev, + "Mixer Pad Link Create Error: %d\n", ret); + } +} -static int au0828_create_media_graph(struct au0828_dev *dev) +static int au0828_enable_source(struct media_entity *entity, + struct media_pipeline *pipe) { -#ifdef CONFIG_MEDIA_CONTROLLER - struct media_device *mdev = dev->media_dev; - struct media_entity *entity; - struct media_entity *tuner = NULL, *decoder = NULL; - int i, ret; + struct media_entity *source, *find_source; + struct media_entity *sink; + struct media_link *link, *found_link = NULL; + int ret = 0; + struct media_device *mdev = entity->graph_obj.mdev; + struct au0828_dev *dev; if (!mdev) - return 0; + return -ENODEV; - media_device_for_each_entity(entity, mdev) { - switch (entity->function) { - case MEDIA_ENT_F_TUNER: - tuner = entity; - break; - case MEDIA_ENT_F_ATV_DECODER: - decoder = entity; + mutex_lock(&mdev->graph_mutex); + + dev = mdev->source_priv; + + /* + * For Audio and V4L2 entity, find the link to which decoder + * is the sink. Look for an active link between decoder and + * source (tuner/s-video/Composite), if one exists, nothing + * to do. If not, look for any active links between source + * and any other entity. If one exists, source is busy. If + * source is free, setup link and start pipeline from source. + * For DVB FE entity, the source for the link is the tuner. + * Check if tuner is available and setup link and start + * pipeline. + */ + if (entity->function == MEDIA_ENT_F_DTV_DEMOD) { + sink = entity; + find_source = dev->tuner; + } else { + /* Analog isn't configured or register failed */ + if (!dev->decoder) { + ret = -ENODEV; + goto end; + } + + sink = dev->decoder; + + /* + * Default input is tuner and default input_type + * is AU0828_VMUX_TELEVISION. + * FIXME: + * There is a problem when s_input is called to + * change the default input. s_input will try to + * enable_source before attempting to change the + * input on the device, and will end up enabling + * default source which is tuner. + * + * Additional logic is necessary in au0828 + * to detect that the input has changed and + * enable the right source. + */ + + if (dev->input_type == AU0828_VMUX_TELEVISION) + find_source = dev->tuner; + else if (dev->input_type == AU0828_VMUX_SVIDEO || + dev->input_type == AU0828_VMUX_COMPOSITE) + find_source = &dev->input_ent[dev->input_type]; + else { + /* unknown input - let user select input */ + ret = 0; + goto end; + } + } + + /* Is an active link between sink and source */ + if (dev->active_link) { + /* + * If DVB is using the tuner and calling entity is + * audio/video, the following check will be false, + * since sink is different. Result is Busy. + */ + if (dev->active_link->sink->entity == sink && + dev->active_link->source->entity == find_source) { + /* + * Either ALSA or Video own tuner. sink is + * the same for both. Prevent Video stepping + * on ALSA when ALSA owns the source. + */ + if (dev->active_link_owner != entity && + dev->active_link_owner->function == + MEDIA_ENT_F_AUDIO_CAPTURE) { + pr_debug("ALSA has the tuner\n"); + ret = -EBUSY; + goto end; + } + ret = 0; + goto end; + } else { + ret = -EBUSY; + goto end; + } + } + + list_for_each_entry(link, &sink->links, list) { + /* Check sink, and source */ + if (link->sink->entity == sink && + link->source->entity == find_source) { + found_link = link; break; } } - /* Analog setup, using tuner as a link */ + if (!found_link) { + ret = -ENODEV; + goto end; + } + + /* activate link between source and sink and start pipeline */ + source = found_link->source->entity; + ret = __media_entity_setup_link(found_link, MEDIA_LNK_FL_ENABLED); + if (ret) { + pr_err("Activate tuner link %s->%s. Error %d\n", + source->name, sink->name, ret); + goto end; + } - /* Something bad happened! */ - if (!decoder) - return -EINVAL; + ret = __media_entity_pipeline_start(entity, pipe); + if (ret) { + pr_err("Start Pipeline: %s->%s Error %d\n", + source->name, entity->name, ret); + ret = __media_entity_setup_link(found_link, 0); + pr_err("Deactivate link Error %d\n", ret); + goto end; + } + /* + * save active link and active link owner to avoid audio + * deactivating video owned link from disable_source and + * vice versa + */ + dev->active_link = found_link; + dev->active_link_owner = entity; + dev->active_source = source; + dev->active_sink = sink; + + pr_debug("Enabled Source: %s->%s->%s Ret %d\n", + dev->active_source->name, dev->active_sink->name, + dev->active_link_owner->name, ret); +end: + mutex_unlock(&mdev->graph_mutex); + pr_debug("au0828_enable_source() end %s %d %d\n", + entity->name, entity->function, ret); + return ret; +} - if (tuner) { - ret = media_create_pad_link(tuner, TUNER_PAD_IF_OUTPUT, - decoder, 0, - MEDIA_LNK_FL_ENABLED); +static void au0828_disable_source(struct media_entity *entity) +{ + int ret = 0; + struct media_device *mdev = entity->graph_obj.mdev; + struct au0828_dev *dev; + + if (!mdev) + return; + + mutex_lock(&mdev->graph_mutex); + dev = mdev->source_priv; + + if (!dev->active_link) { + ret = -ENODEV; + goto end; + } + + /* link is active - stop pipeline from source (tuner) */ + if (dev->active_link->sink->entity == dev->active_sink && + dev->active_link->source->entity == dev->active_source) { + /* + * prevent video from deactivating link when audio + * has active pipeline + */ + if (dev->active_link_owner != entity) + goto end; + __media_entity_pipeline_stop(entity); + ret = __media_entity_setup_link(dev->active_link, 0); if (ret) - return ret; + pr_err("Deactivate link Error %d\n", ret); + + pr_debug("Disabled Source: %s->%s->%s Ret %d\n", + dev->active_source->name, dev->active_sink->name, + dev->active_link_owner->name, ret); + + dev->active_link = NULL; + dev->active_link_owner = NULL; + dev->active_source = NULL; + dev->active_sink = NULL; } - ret = media_create_pad_link(decoder, 1, &dev->vdev.entity, 0, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - ret = media_create_pad_link(decoder, 2, &dev->vbi_dev.entity, 0, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - for (i = 0; i < AU0828_MAX_INPUT; i++) { - struct media_entity *ent = &dev->input_ent[i]; +end: + mutex_unlock(&mdev->graph_mutex); +} +#endif - if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) - break; +static int au0828_media_device_register(struct au0828_dev *dev, + struct usb_device *udev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + int ret; + struct media_entity *entity, *demod = NULL; + struct media_link *link; + + if (!dev->media_dev) + return 0; - switch (AUVI_INPUT(i).type) { - case AU0828_VMUX_CABLE: - case AU0828_VMUX_TELEVISION: - case AU0828_VMUX_DVB: - if (!tuner) - break; - - ret = media_create_pad_link(ent, 0, tuner, - TUNER_PAD_RF_INPUT, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; + if (!media_devnode_is_registered(&dev->media_dev->devnode)) { + + /* register media device */ + ret = media_device_register(dev->media_dev); + if (ret) { + dev_err(&udev->dev, + "Media Device Register Error: %d\n", ret); + return ret; + } + } else { + /* + * Call au0828_media_graph_notify() to connect + * audio graph to our graph. In this case, audio + * driver registered the device and there is no + * entity_notify to be called when new entities + * are added. Invoke it now. + */ + au0828_media_graph_notify(NULL, (void *) dev); + } + + /* + * Find tuner, decoder and demod. + * + * The tuner and decoder should be cached, as they'll be used by + * au0828_enable_source. + * + * It also needs to disable the link between tuner and + * decoder/demod, to avoid disable step when tuner is requested + * by video or audio. Note that this step can't be done until dvb + * graph is created during dvb register. + */ + media_device_for_each_entity(entity, dev->media_dev) { + switch (entity->function) { + case MEDIA_ENT_F_TUNER: + dev->tuner = entity; + break; + case MEDIA_ENT_F_ATV_DECODER: + dev->decoder = entity; break; - case AU0828_VMUX_COMPOSITE: - case AU0828_VMUX_SVIDEO: - default: /* AU0828_VMUX_DEBUG */ - /* FIXME: fix the decoder PAD */ - ret = media_create_pad_link(ent, 0, decoder, 0, 0); - if (ret) - return ret; + case MEDIA_ENT_F_DTV_DEMOD: + demod = entity; break; } } + + /* Disable link between tuner->demod and/or tuner->decoder */ + if (dev->tuner) { + list_for_each_entry(link, &dev->tuner->links, list) { + if (demod && link->sink->entity == demod) + media_entity_setup_link(link, 0); + if (dev->decoder && link->sink->entity == dev->decoder) + media_entity_setup_link(link, 0); + } + } + + /* register entity_notify callback */ + dev->entity_notify.notify_data = (void *) dev; + dev->entity_notify.notify = (void *) au0828_media_graph_notify; + ret = media_device_register_entity_notify(dev->media_dev, + &dev->entity_notify); + if (ret) { + dev_err(&udev->dev, + "Media Device register entity_notify Error: %d\n", + ret); + return ret; + } + /* set enable_source */ + dev->media_dev->source_priv = (void *) dev; + dev->media_dev->enable_source = au0828_enable_source; + dev->media_dev->disable_source = au0828_disable_source; #endif return 0; } @@ -378,32 +596,13 @@ static int au0828_usb_probe(struct usb_interface *interface, return retval; } -#ifdef CONFIG_VIDEO_AU0828_V4L2 - dev->v4l2_dev.release = au0828_usb_v4l2_release; - - /* Create the v4l2_device */ -#ifdef CONFIG_MEDIA_CONTROLLER - dev->v4l2_dev.mdev = dev->media_dev; -#endif - retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); - if (retval) { - pr_err("%s() v4l2_device_register failed\n", - __func__); - mutex_unlock(&dev->lock); - kfree(dev); - return retval; - } - /* This control handler will inherit the controls from au8522 */ - retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); + retval = au0828_v4l2_device_register(interface, dev); if (retval) { - pr_err("%s() v4l2_ctrl_handler_init failed\n", - __func__); + au0828_usb_v4l2_media_release(dev); mutex_unlock(&dev->lock); kfree(dev); return retval; } - dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; -#endif /* Power Up the bridge */ au0828_write(dev, REG_600, 1 << 4); @@ -417,11 +616,13 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Setup */ au0828_card_setup(dev); -#ifdef CONFIG_VIDEO_AU0828_V4L2 /* Analog TV */ - if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) - au0828_analog_register(dev, interface); -#endif + retval = au0828_analog_register(dev, interface); + if (retval) { + pr_err("%s() au0282_dev_register failed to register on V4L2\n", + __func__); + goto done; + } /* Digital TV */ retval = au0828_dvb_register(dev); @@ -443,16 +644,7 @@ static int au0828_usb_probe(struct usb_interface *interface, mutex_unlock(&dev->lock); - retval = au0828_create_media_graph(dev); - if (retval) { - pr_err("%s() au0282_dev_register failed to create graph\n", - __func__); - goto done; - } - -#ifdef CONFIG_MEDIA_CONTROLLER - retval = media_device_register(dev->media_dev); -#endif + retval = au0828_media_device_register(dev, usbdev); done: if (retval < 0) diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c index 94363a3ba..0e174e860 100644 --- a/drivers/media/usb/au0828/au0828-dvb.c +++ b/drivers/media/usb/au0828/au0828-dvb.c @@ -181,7 +181,7 @@ static int stop_urb_transfer(struct au0828_dev *dev) static int start_urb_transfer(struct au0828_dev *dev) { struct urb *purb; - int i, ret = -ENOMEM; + int i, ret; dprintk(2, "%s()\n", __func__); @@ -194,7 +194,7 @@ static int start_urb_transfer(struct au0828_dev *dev) dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL); if (!dev->urbs[i]) - goto err; + return -ENOMEM; purb = dev->urbs[i]; @@ -207,9 +207,10 @@ static int start_urb_transfer(struct au0828_dev *dev) if (!purb->transfer_buffer) { usb_free_urb(purb); dev->urbs[i] = NULL; + ret = -ENOMEM; pr_err("%s: failed big buffer allocation, err = %d\n", __func__, ret); - goto err; + return ret; } purb->status = -EINPROGRESS; @@ -235,10 +236,7 @@ static int start_urb_transfer(struct au0828_dev *dev) } dev->urb_streaming = true; - ret = 0; - -err: - return ret; + return 0; } static void au0828_start_transport(struct au0828_dev *dev) diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 8bc69af87..32d7db964 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -28,12 +28,14 @@ */ #include "au0828.h" +#include "au8522.h" #include <linux/module.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/device.h> #include <media/v4l2-common.h> +#include <media/v4l2-mc.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/tuner.h> @@ -637,61 +639,64 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) return rc; } -static int au0828_enable_analog_tuner(struct au0828_dev *dev) +void au0828_usb_v4l2_media_release(struct au0828_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; + int i; - /* - * 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; - } + for (i = 0; i < AU0828_MAX_INPUT; i++) { + if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) + return; + media_device_unregister_entity(&dev->input_ent[i]); } +#endif +} - if (active_links == 1 || !found_link) - return 0; +static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev) +{ + struct au0828_dev *dev = + container_of(v4l2_dev, struct au0828_dev, v4l2_dev); + + v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl); + v4l2_device_unregister(&dev->v4l2_dev); + au0828_usb_v4l2_media_release(dev); + au0828_usb_release(dev); +} - source = found_link->source->entity; - list_for_each_entry(link, &source->links, list) { - struct media_entity *sink; - int flags = 0; +int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev) +{ + int retval; - sink = link->sink->entity; + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; - if (sink == dev->decoder) - flags = MEDIA_LNK_FL_ENABLED; + /* Create the v4l2_device */ +#ifdef CONFIG_MEDIA_CONTROLLER + dev->v4l2_dev.mdev = dev->media_dev; +#endif + retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); + if (retval) { + pr_err("%s() v4l2_device_register failed\n", + __func__); + mutex_unlock(&dev->lock); + kfree(dev); + return retval; + } - 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; - } else - au0828_isocdbg( - "link %s->%s was %s\n", - source->name, sink->name, - flags ? "ENABLED" : "disabled"); + dev->v4l2_dev.release = au0828_usb_v4l2_release; + + /* This control handler will inherit the controls from au8522 */ + retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); + if (retval) { + pr_err("%s() v4l2_ctrl_handler_init failed\n", + __func__); + mutex_unlock(&dev->lock); + kfree(dev); + return retval; } -#endif + dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; + return 0; } @@ -706,9 +711,6 @@ static int queue_setup(struct vb2_queue *vq, return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; sizes[0] = size; - - au0828_enable_analog_tuner(dev); - return 0; } @@ -948,13 +950,23 @@ static struct vb2_ops au0828_video_qops = { * au0828_analog_unregister * unregister v4l2 devices */ -void au0828_analog_unregister(struct au0828_dev *dev) +int au0828_analog_unregister(struct au0828_dev *dev) { dprintk(1, "au0828_analog_unregister called\n"); + + /* No analog TV */ + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; + mutex_lock(&au0828_sysfs_lock); video_unregister_device(&dev->vdev); video_unregister_device(&dev->vbi_dev); mutex_unlock(&au0828_sysfs_lock); + + v4l2_device_disconnect(&dev->v4l2_dev); + v4l2_device_put(&dev->v4l2_dev); + + return 1; } /* This function ensures that video frames continue to be delivered even if @@ -1066,8 +1078,39 @@ static int au0828_v4l2_close(struct file *filp) goto end; if (dev->users == 1) { - /* Save some power by putting tuner to sleep */ - v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); + /* + * Avoid putting tuner in sleep if DVB or ALSA are + * streaming. + * + * On most USB devices like au0828 the tuner can + * be safely put in sleep stare here if ALSA isn't + * streaming. Exceptions are some very old USB tuner + * models such as em28xx-based WinTV USB2 which have + * a separate audio output jack. The devices that have + * a separate audio output jack have analog tuners, + * like Philips FM1236. Those devices are always on, + * so the s_power callback are silently ignored. + * So, the current logic here does the following: + * Disable (put tuner to sleep) when + * - ALSA and DVB aren't not streaming; + * - the last V4L2 file handler is closed. + * + * FIXME: + * + * Additionally, this logic could be improved to + * disable the media source if the above conditions + * are met and if the device: + * - doesn't have a separate audio out plug (or + * - doesn't use a silicon tuner like xc2028/3028/4000/5000). + * + * Once this additional logic is in place, a callback + * is needed to enable the media source and power on + * the tuner, for radio to work. + */ + ret = v4l_enable_media_source(vdev); + if (ret == 0) + v4l2_device_call_all(&dev->v4l2_dev, 0, core, + s_power, 0); dev->std_set_in_tuner_core = 0; /* When close the device, set the usb intf0 into alt0 to free @@ -1311,7 +1354,6 @@ static int vidioc_enum_input(struct file *file, void *priv, [AU0828_VMUX_CABLE] = "Cable TV", [AU0828_VMUX_TELEVISION] = "Television", [AU0828_VMUX_DVB] = "DVB", - [AU0828_VMUX_DEBUG] = "tv debug" }; dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, @@ -1374,9 +1416,11 @@ static void au0828_s_input(struct au0828_dev *dev, int index) default: dprintk(1, "unknown input type set [%d]\n", AUVI_INPUT(index).type); - break; + return; } + dev->ctrl_input = index; + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, AUVI_INPUT(index).vmux, 0, 0); @@ -1408,6 +1452,7 @@ static void au0828_s_input(struct au0828_dev *dev, int index) static int vidioc_s_input(struct file *file, void *priv, unsigned int index) { struct au0828_dev *dev = video_drvdata(file); + struct video_device *vfd = video_devdata(file); dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, index); @@ -1415,9 +1460,19 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int index) return -EINVAL; if (AUVI_INPUT(index).type == 0) return -EINVAL; - dev->ctrl_input = index; + + if (dev->ctrl_input == index) + return 0; + au0828_s_input(dev, index); - return 0; + + /* + * Input has been changed. Disable the media source + * associated with the old input and enable source + * for the newly set input + */ + v4l_disable_media_source(vfd); + return v4l_enable_media_source(vfd); } static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) @@ -1468,10 +1523,16 @@ static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct au0828_dev *dev = video_drvdata(file); + struct video_device *vfd = video_devdata(file); + int ret; if (t->index != 0) return -EINVAL; + ret = v4l_enable_media_source(vfd); + if (ret) + return ret; + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); @@ -1803,7 +1864,6 @@ static void au0828_analog_create_entities(struct au0828_dev *dev) [AU0828_VMUX_CABLE] = "Cable TV", [AU0828_VMUX_TELEVISION] = "Television", [AU0828_VMUX_DVB] = "DVB", - [AU0828_VMUX_DEBUG] = "tv debug" }; int ret, i; @@ -1839,10 +1899,9 @@ static void au0828_analog_create_entities(struct au0828_dev *dev) case AU0828_VMUX_CABLE: case AU0828_VMUX_TELEVISION: case AU0828_VMUX_DVB: + default: /* Just to shut up a warning */ ent->function = MEDIA_ENT_F_CONN_RF; break; - default: /* AU0828_VMUX_DEBUG */ - continue; } ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); @@ -1869,6 +1928,10 @@ int au0828_analog_register(struct au0828_dev *dev, dprintk(1, "au0828_analog_register called for intf#%d!\n", interface->cur_altsetting->desc.bInterfaceNumber); + /* No analog TV */ + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; + /* set au0828 usb interface0 to as5 */ retval = usb_set_interface(dev->usbdev, interface->cur_altsetting->desc.bInterfaceNumber, 5); @@ -1923,6 +1986,7 @@ int au0828_analog_register(struct au0828_dev *dev, dev->ctrl_ainput = 0; dev->ctrl_freq = 960; dev->std = V4L2_STD_NTSC_M; + /* Default input is TV Tuner */ au0828_s_input(dev, 0); mutex_init(&dev->vb_queue_lock); @@ -1975,6 +2039,16 @@ int au0828_analog_register(struct au0828_dev *dev, goto err_reg_vbi_dev; } +#ifdef CONFIG_MEDIA_CONTROLLER + retval = v4l2_mc_create_media_graph(dev->media_dev); + if (retval) { + pr_err("%s() au0282_dev_register failed to create graph\n", + __func__); + ret = -ENODEV; + goto err_reg_vbi_dev; + } +#endif + dprintk(1, "%s completed!\n", __func__); return 0; diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h index b28a05d76..87f32846f 100644 --- a/drivers/media/usb/au0828/au0828.h +++ b/drivers/media/usb/au0828/au0828.h @@ -77,7 +77,6 @@ enum au0828_itype { AU0828_VMUX_CABLE, AU0828_VMUX_TELEVISION, AU0828_VMUX_DVB, - AU0828_VMUX_DEBUG }; struct au0828_input { @@ -284,6 +283,12 @@ struct au0828_dev { struct media_entity *decoder; struct media_entity input_ent[AU0828_MAX_INPUT]; struct media_pad input_pad[AU0828_MAX_INPUT]; + struct media_entity_notify entity_notify; + struct media_entity *tuner; + struct media_link *active_link; + struct media_entity *active_link_owner; + struct media_entity *active_source; + struct media_entity *active_sink; #endif }; @@ -302,6 +307,7 @@ struct au0828_dev { /* au0828-core.c */ extern u32 au0828_read(struct au0828_dev *dev, u16 reg); extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val); +extern void au0828_usb_release(struct au0828_dev *dev); extern int au0828_debug; /* ----------------------------------------------------------- */ @@ -320,16 +326,29 @@ extern int au0828_i2c_unregister(struct au0828_dev *dev); /* ----------------------------------------------------------- */ /* au0828-video.c */ -extern int au0828_analog_register(struct au0828_dev *dev, - struct usb_interface *interface); -extern void au0828_analog_unregister(struct au0828_dev *dev); extern int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count); extern void au0828_stop_vbi_streaming(struct vb2_queue *vq); #ifdef CONFIG_VIDEO_AU0828_V4L2 +extern int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev); + +extern int au0828_analog_register(struct au0828_dev *dev, + struct usb_interface *interface); +extern int au0828_analog_unregister(struct au0828_dev *dev); +extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev); extern void au0828_v4l2_suspend(struct au0828_dev *dev); extern void au0828_v4l2_resume(struct au0828_dev *dev); #else +static inline int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev) +{ return 0; }; +static inline int au0828_analog_register(struct au0828_dev *dev, + struct usb_interface *interface) +{ return 0; }; +static inline int au0828_analog_unregister(struct au0828_dev *dev) +{ return 0; }; +static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { }; static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { }; static inline void au0828_v4l2_resume(struct au0828_dev *dev) { }; #endif |