141 static bool vidtv_bridge_check_demod_lock(struct vidtv_dvb *dvb, u32 n)  in vidtv_bridge_check_demod_lock()  argument
145 	dvb->fe[n]->ops.read_status(dvb->fe[n], &status);  in vidtv_bridge_check_demod_lock()
159 	struct vidtv_dvb *dvb = priv;  in vidtv_bridge_on_new_pkts_avail()  local
162 	if (vidtv_bridge_check_demod_lock(dvb, 0))  in vidtv_bridge_on_new_pkts_avail()
163 		dvb_dmx_swfilter_packets(&dvb->demux, buf, npkts);  in vidtv_bridge_on_new_pkts_avail()
166 static int vidtv_start_streaming(struct vidtv_dvb *dvb)  in vidtv_start_streaming()  argument
177 		.priv                        = dvb,  in vidtv_start_streaming()
179 	struct device *dev = &dvb->pdev->dev;  in vidtv_start_streaming()
182 	if (dvb->streaming) {  in vidtv_start_streaming()
194 	dvb->streaming = true;  in vidtv_start_streaming()
195 	dvb->mux = vidtv_mux_init(dvb->fe[0], dev, &mux_args);  in vidtv_start_streaming()
196 	if (!dvb->mux)  in vidtv_start_streaming()
198 	vidtv_mux_start_thread(dvb->mux);  in vidtv_start_streaming()
204 static int vidtv_stop_streaming(struct vidtv_dvb *dvb)  in vidtv_stop_streaming()  argument
206 	struct device *dev = &dvb->pdev->dev;  in vidtv_stop_streaming()
208 	dvb->streaming = false;  in vidtv_stop_streaming()
209 	vidtv_mux_stop_thread(dvb->mux);  in vidtv_stop_streaming()
210 	vidtv_mux_destroy(dvb->mux);  in vidtv_stop_streaming()
211 	dvb->mux = NULL;  in vidtv_stop_streaming()
220 	struct vidtv_dvb *dvb   = demux->priv;  in vidtv_start_feed()  local
227 	mutex_lock(&dvb->feed_lock);  in vidtv_start_feed()
229 	dvb->nfeeds++;  in vidtv_start_feed()
230 	rc = dvb->nfeeds;  in vidtv_start_feed()
232 	if (dvb->nfeeds == 1) {  in vidtv_start_feed()
233 		ret = vidtv_start_streaming(dvb);  in vidtv_start_feed()
238 	mutex_unlock(&dvb->feed_lock);  in vidtv_start_feed()
245 	struct vidtv_dvb *dvb   = demux->priv;  in vidtv_stop_feed()  local
248 	mutex_lock(&dvb->feed_lock);  in vidtv_stop_feed()
249 	dvb->nfeeds--;  in vidtv_stop_feed()
251 	if (!dvb->nfeeds)  in vidtv_stop_feed()
252 		err = vidtv_stop_streaming(dvb);  in vidtv_stop_feed()
254 	mutex_unlock(&dvb->feed_lock);  in vidtv_stop_feed()
288 static int vidtv_bridge_i2c_register_adap(struct vidtv_dvb *dvb)  in vidtv_bridge_i2c_register_adap()  argument
290 	struct i2c_adapter *i2c_adapter = &dvb->i2c_adapter;  in vidtv_bridge_i2c_register_adap()
298 	i2c_adapter->dev.parent = &dvb->pdev->dev;  in vidtv_bridge_i2c_register_adap()
300 	i2c_set_adapdata(i2c_adapter, dvb);  in vidtv_bridge_i2c_register_adap()
301 	return i2c_add_adapter(&dvb->i2c_adapter);  in vidtv_bridge_i2c_register_adap()
304 static int vidtv_bridge_register_adap(struct vidtv_dvb *dvb)  in vidtv_bridge_register_adap()  argument
308 	ret = dvb_register_adapter(&dvb->adapter,  in vidtv_bridge_register_adap()
311 				   &dvb->i2c_adapter.dev,  in vidtv_bridge_register_adap()
317 static int vidtv_bridge_dmx_init(struct vidtv_dvb *dvb)  in vidtv_bridge_dmx_init()  argument
319 	dvb->demux.dmx.capabilities = DMX_TS_FILTERING |  in vidtv_bridge_dmx_init()
322 	dvb->demux.priv       = dvb;  in vidtv_bridge_dmx_init()
323 	dvb->demux.filternum  = 256;  in vidtv_bridge_dmx_init()
324 	dvb->demux.feednum    = 256;  in vidtv_bridge_dmx_init()
325 	dvb->demux.start_feed = vidtv_start_feed;  in vidtv_bridge_dmx_init()
326 	dvb->demux.stop_feed  = vidtv_stop_feed;  in vidtv_bridge_dmx_init()
328 	return dvb_dmx_init(&dvb->demux);  in vidtv_bridge_dmx_init()
331 static int vidtv_bridge_dmxdev_init(struct vidtv_dvb *dvb)  in vidtv_bridge_dmxdev_init()  argument
333 	dvb->dmx_dev.filternum    = 256;  in vidtv_bridge_dmxdev_init()
334 	dvb->dmx_dev.demux        = &dvb->demux.dmx;  in vidtv_bridge_dmxdev_init()
335 	dvb->dmx_dev.capabilities = 0;  in vidtv_bridge_dmxdev_init()
337 	return dvb_dmxdev_init(&dvb->dmx_dev, &dvb->adapter);  in vidtv_bridge_dmxdev_init()
340 static int vidtv_bridge_probe_demod(struct vidtv_dvb *dvb, u32 n)  in vidtv_bridge_probe_demod()  argument
346 	dvb->i2c_client_demod[n] = dvb_module_probe("dvb_vidtv_demod",  in vidtv_bridge_probe_demod()
348 						    &dvb->i2c_adapter,  in vidtv_bridge_probe_demod()
353 	if (!dvb->i2c_client_demod[n])  in vidtv_bridge_probe_demod()
357 	dvb->fe[n] = vidtv_get_frontend_ptr(dvb->i2c_client_demod[n]);  in vidtv_bridge_probe_demod()
362 static int vidtv_bridge_probe_tuner(struct vidtv_dvb *dvb, u32 n)  in vidtv_bridge_probe_tuner()  argument
365 		.fe                       = dvb->fe[n],  in vidtv_bridge_probe_tuner()
399 	dvb->i2c_client_tuner[n] = dvb_module_probe("dvb_vidtv_tuner",  in vidtv_bridge_probe_tuner()
401 						    &dvb->i2c_adapter,  in vidtv_bridge_probe_tuner()
405 	return (dvb->i2c_client_tuner[n]) ? 0 : -ENODEV;  in vidtv_bridge_probe_tuner()
408 static int vidtv_bridge_dvb_init(struct vidtv_dvb *dvb)  in vidtv_bridge_dvb_init()  argument
412 	ret = vidtv_bridge_i2c_register_adap(dvb);  in vidtv_bridge_dvb_init()
416 	ret = vidtv_bridge_register_adap(dvb);  in vidtv_bridge_dvb_init()
419 	dvb_register_media_controller(&dvb->adapter, &dvb->mdev);  in vidtv_bridge_dvb_init()
422 		ret = vidtv_bridge_probe_demod(dvb, i);  in vidtv_bridge_dvb_init()
426 		ret = vidtv_bridge_probe_tuner(dvb, i);  in vidtv_bridge_dvb_init()
430 		ret = dvb_register_frontend(&dvb->adapter, dvb->fe[i]);  in vidtv_bridge_dvb_init()
435 	ret = vidtv_bridge_dmx_init(dvb);  in vidtv_bridge_dvb_init()
439 	ret = vidtv_bridge_dmxdev_init(dvb);  in vidtv_bridge_dvb_init()
444 		ret = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx,  in vidtv_bridge_dvb_init()
445 						      &dvb->dmx_fe[j]);  in vidtv_bridge_dvb_init()
453 		dvb->dmx_fe[j].source = DMX_FRONTEND_0;  in vidtv_bridge_dvb_init()
460 		dvb->demux.dmx.remove_frontend(&dvb->demux.dmx,  in vidtv_bridge_dvb_init()
461 					       &dvb->dmx_fe[j]);  in vidtv_bridge_dvb_init()
463 	dvb_dmxdev_release(&dvb->dmx_dev);  in vidtv_bridge_dvb_init()
465 	dvb_dmx_release(&dvb->demux);  in vidtv_bridge_dvb_init()
468 		dvb_unregister_frontend(dvb->fe[j]);  in vidtv_bridge_dvb_init()
471 		if (dvb->i2c_client_tuner[j])  in vidtv_bridge_dvb_init()
472 			dvb_module_release(dvb->i2c_client_tuner[j]);  in vidtv_bridge_dvb_init()
476 		if (dvb->i2c_client_demod[j])  in vidtv_bridge_dvb_init()
477 			dvb_module_release(dvb->i2c_client_demod[j]);  in vidtv_bridge_dvb_init()
480 	dvb_unregister_adapter(&dvb->adapter);  in vidtv_bridge_dvb_init()
483 	i2c_del_adapter(&dvb->i2c_adapter);  in vidtv_bridge_dvb_init()
490 	struct vidtv_dvb *dvb;  in vidtv_bridge_probe()  local
493 	dvb = kzalloc(sizeof(*dvb), GFP_KERNEL);  in vidtv_bridge_probe()
494 	if (!dvb)  in vidtv_bridge_probe()
497 	dvb->pdev = pdev;  in vidtv_bridge_probe()
500 	dvb->mdev.dev = &pdev->dev;  in vidtv_bridge_probe()
502 	strscpy(dvb->mdev.model, "vidtv", sizeof(dvb->mdev.model));  in vidtv_bridge_probe()
503 	strscpy(dvb->mdev.bus_info, "platform:vidtv", sizeof(dvb->mdev.bus_info));  in vidtv_bridge_probe()
505 	media_device_init(&dvb->mdev);  in vidtv_bridge_probe()
508 	ret = vidtv_bridge_dvb_init(dvb);  in vidtv_bridge_probe()
512 	mutex_init(&dvb->feed_lock);  in vidtv_bridge_probe()
514 	platform_set_drvdata(pdev, dvb);  in vidtv_bridge_probe()
517 	ret = media_device_register(&dvb->mdev);  in vidtv_bridge_probe()
519 		dev_err(dvb->mdev.dev,  in vidtv_bridge_probe()
530 	media_device_cleanup(&dvb->mdev);  in vidtv_bridge_probe()
533 	kfree(dvb);  in vidtv_bridge_probe()
539 	struct vidtv_dvb *dvb;  in vidtv_bridge_remove()  local
542 	dvb = platform_get_drvdata(pdev);  in vidtv_bridge_remove()
545 	media_device_unregister(&dvb->mdev);  in vidtv_bridge_remove()
546 	media_device_cleanup(&dvb->mdev);  in vidtv_bridge_remove()
549 	mutex_destroy(&dvb->feed_lock);  in vidtv_bridge_remove()
552 		dvb_unregister_frontend(dvb->fe[i]);  in vidtv_bridge_remove()
553 		dvb_module_release(dvb->i2c_client_tuner[i]);  in vidtv_bridge_remove()
554 		dvb_module_release(dvb->i2c_client_demod[i]);  in vidtv_bridge_remove()
557 	dvb_dmxdev_release(&dvb->dmx_dev);  in vidtv_bridge_remove()
558 	dvb_dmx_release(&dvb->demux);  in vidtv_bridge_remove()
559 	dvb_unregister_adapter(&dvb->adapter);  in vidtv_bridge_remove()