diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/dvb-usb-dvb.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/dvb-usb-dvb.c | 92 |
1 files changed, 77 insertions, 15 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c index 719413b15f20..0a7f8ba90992 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c @@ -1,12 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-dvb.c is part of the DVB USB library. * - * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) + * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) * see dvb-usb-init.c for copyright information. * * This file contains functions for initializing and handling the * linux-dvb API. */ #include "dvb-usb-common.h" +#include <media/media-device.h> /* does the complete input transfer handling */ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff) @@ -54,9 +56,6 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff) * for reception. */ if (adap->feedcount == onoff && adap->feedcount > 0) { - deb_ts("submitting all URBs\n"); - usb_urb_submit(&adap->fe_adap[adap->active_fe].stream); - deb_ts("controlling pid parser\n"); if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER && adap->props.fe[adap->active_fe].caps & @@ -78,20 +77,69 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff) } } + deb_ts("submitting all URBs\n"); + usb_urb_submit(&adap->fe_adap[adap->active_fe].stream); } return 0; } static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed) { - deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid,dvbdmxfeed->type); - return dvb_usb_ctrl_feed(dvbdmxfeed,1); + deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, + dvbdmxfeed->type); + return dvb_usb_ctrl_feed(dvbdmxfeed, 1); } static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) { deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type); - return dvb_usb_ctrl_feed(dvbdmxfeed,0); + return dvb_usb_ctrl_feed(dvbdmxfeed, 0); +} + +static int dvb_usb_media_device_init(struct dvb_usb_adapter *adap) +{ +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + struct media_device *mdev; + struct dvb_usb_device *d = adap->dev; + struct usb_device *udev = d->udev; + + mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); + if (!mdev) + return -ENOMEM; + + media_device_usb_init(mdev, udev, d->desc->name); + + dvb_register_media_controller(&adap->dvb_adap, mdev); + + dev_info(&d->udev->dev, "media controller created\n"); +#endif + return 0; +} + +static int dvb_usb_media_device_register(struct dvb_usb_adapter *adap) +{ +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + return media_device_register(adap->dvb_adap.mdev); +#else + return 0; +#endif +} + +static void dvb_usb_media_device_unregister(struct dvb_usb_adapter *adap) +{ +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + if (!adap->dvb_adap.mdev) + return; + + mutex_lock(&adap->dvb_adap.mdev_lock); + + media_device_unregister(adap->dvb_adap.mdev); + media_device_cleanup(adap->dvb_adap.mdev); + kfree(adap->dvb_adap.mdev); + adap->dvb_adap.mdev = NULL; + + mutex_unlock(&adap->dvb_adap.mdev_lock); +#endif } int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) @@ -107,9 +155,15 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) } adap->dvb_adap.priv = adap; + ret = dvb_usb_media_device_init(adap); + if (ret < 0) { + deb_info("dvb_usb_media_device_init failed: error %d", ret); + goto err_mc; + } + if (adap->dev->props.read_mac_address) { - if (adap->dev->props.read_mac_address(adap->dev,adap->dvb_adap.proposed_mac) == 0) - info("MAC address: %pM",adap->dvb_adap.proposed_mac); + if (adap->dev->props.read_mac_address(adap->dev, adap->dvb_adap.proposed_mac) == 0) + info("MAC address: %pM", adap->dvb_adap.proposed_mac); else err("MAC address reading failed."); } @@ -128,7 +182,7 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) adap->demux.stop_feed = dvb_usb_stop_feed; adap->demux.write_to_decoder = NULL; if ((ret = dvb_dmx_init(&adap->demux)) < 0) { - err("dvb_dmx_init failed: error %d",ret); + err("dvb_dmx_init failed: error %d", ret); goto err_dmx; } @@ -136,13 +190,13 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums) adap->dmxdev.demux = &adap->demux.dmx; adap->dmxdev.capabilities = 0; if ((ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap)) < 0) { - err("dvb_dmxdev_init failed: error %d",ret); + err("dvb_dmxdev_init failed: error %d", ret); goto err_dmx_dev; } if ((ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx)) < 0) { - err("dvb_net_init failed: error %d",ret); + err("dvb_net_init failed: error %d", ret); goto err_net_init; } @@ -154,6 +208,8 @@ err_net_init: err_dmx_dev: dvb_dmx_release(&adap->demux); err_dmx: + dvb_usb_media_device_unregister(adap); +err_mc: dvb_unregister_adapter(&adap->dvb_adap); err: return ret; @@ -167,6 +223,7 @@ int dvb_usb_adapter_dvb_exit(struct dvb_usb_adapter *adap) adap->demux.dmx.close(&adap->demux.dmx); dvb_dmxdev_release(&adap->dmxdev); dvb_dmx_release(&adap->demux); + dvb_usb_media_device_unregister(adap); dvb_unregister_adapter(&adap->dvb_adap); adap->state &= ~DVB_USB_ADAP_STATE_DVB; } @@ -224,8 +281,7 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap) for (i = 0; i < adap->props.num_frontends; i++) { if (adap->props.fe[i].frontend_attach == NULL) { - err("strange: '%s' #%d,%d " - "doesn't want to attach a frontend.", + err("strange: '%s' #%d,%d doesn't want to attach a frontend.", adap->dev->desc->name, adap->id, i); return 0; @@ -268,7 +324,13 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap) adap->num_frontends_initialized++; } - return 0; + ret = dvb_create_media_graph(&adap->dvb_adap, true); + if (ret) + return ret; + + ret = dvb_usb_media_device_register(adap); + + return ret; } int dvb_usb_adapter_frontend_exit(struct dvb_usb_adapter *adap) |