Lines Matching refs:adap
21 static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap)
31 stream = adap->channel.stream->stream;
41 &adap->demux,
42 adap->buffer_storage[
62 ret = wait_event_freezable(adap->buffer_wait_data,
89 struct pvr2_dvb_adapter *adap = ptr;
91 wake_up(&adap->buffer_wait_data);
94 static void pvr2_dvb_stream_end(struct pvr2_dvb_adapter *adap)
99 if (adap->thread) {
100 kthread_stop(adap->thread);
101 adap->thread = NULL;
104 if (adap->channel.stream) {
105 stream = adap->channel.stream->stream;
110 pvr2_hdw_set_streaming(adap->channel.hdw, 0);
114 pvr2_channel_claim_stream(&adap->channel, NULL);
117 if (adap->stream_run) {
119 if (!(adap->buffer_storage[idx])) continue;
120 kfree(adap->buffer_storage[idx]);
121 adap->buffer_storage[idx] = NULL;
123 adap->stream_run = 0;
127 static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap)
129 struct pvr2_context *pvr = adap->channel.mc_head;
135 if (adap->stream_run) return -EIO;
137 ret = pvr2_channel_claim_stream(&adap->channel, &pvr->video_stream);
141 stream = adap->channel.stream->stream;
144 adap->buffer_storage[idx] = kmalloc(PVR2_DVB_BUFFER_SIZE,
146 if (!(adap->buffer_storage[idx])) return -ENOMEM;
150 pvr2_dvb_notify, adap);
158 adap->buffer_storage[idx],
162 ret = pvr2_hdw_set_streaming(adap->channel.hdw, 1);
170 adap->thread = kthread_run(pvr2_dvb_feed_thread, adap, "pvrusb2-dvb");
172 if (IS_ERR(adap->thread)) {
173 ret = PTR_ERR(adap->thread);
174 adap->thread = NULL;
178 adap->stream_run = !0;
183 static int pvr2_dvb_stream_start(struct pvr2_dvb_adapter *adap)
185 int ret = pvr2_dvb_stream_do_start(adap);
186 if (ret < 0) pvr2_dvb_stream_end(adap);
192 struct pvr2_dvb_adapter *adap = dvbdmxfeed->demux->priv;
195 if (adap == NULL) return -ENODEV;
197 mutex_lock(&adap->lock);
200 if (!adap->feedcount) {
203 ret = pvr2_dvb_stream_start(adap);
206 (adap->feedcount)++;
207 } else if (adap->feedcount > 0) {
208 (adap->feedcount)--;
209 if (!adap->feedcount) {
212 pvr2_dvb_stream_end(adap);
216 mutex_unlock(&adap->lock);
235 struct pvr2_dvb_adapter *adap = fe->dvb->priv;
237 &adap->channel,
241 static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
245 ret = dvb_register_adapter(&adap->dvb_adap, "pvrusb2-dvb",
247 &adap->channel.hdw->usb_dev->dev,
254 adap->dvb_adap.priv = adap;
256 adap->demux.dmx.capabilities = DMX_TS_FILTERING |
259 adap->demux.priv = adap;
260 adap->demux.filternum = 256;
261 adap->demux.feednum = 256;
262 adap->demux.start_feed = pvr2_dvb_start_feed;
263 adap->demux.stop_feed = pvr2_dvb_stop_feed;
264 adap->demux.write_to_decoder = NULL;
266 ret = dvb_dmx_init(&adap->demux);
273 adap->dmxdev.filternum = adap->demux.filternum;
274 adap->dmxdev.demux = &adap->demux.dmx;
275 adap->dmxdev.capabilities = 0;
277 ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
284 dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
289 dvb_dmx_release(&adap->demux);
291 dvb_unregister_adapter(&adap->dvb_adap);
296 static int pvr2_dvb_adapter_exit(struct pvr2_dvb_adapter *adap)
299 dvb_net_release(&adap->dvb_net);
300 adap->demux.dmx.close(&adap->demux.dmx);
301 dvb_dmxdev_release(&adap->dmxdev);
302 dvb_dmx_release(&adap->demux);
303 dvb_unregister_adapter(&adap->dvb_adap);
307 static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
309 struct pvr2_hdw *hdw = adap->channel.hdw;
319 &adap->channel,
335 if (dvb_props->frontend_attach(adap) == 0 && adap->fe[0]) {
336 if (dvb_register_frontend(&adap->dvb_adap, adap->fe[0])) {
342 if (adap->fe[0]->ops.analog_ops.standby)
343 adap->fe[0]->ops.analog_ops.standby(adap->fe[0]);
346 adap->fe[0]->id);
347 adap->fe[0]->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
355 if (dvb_props->tuner_attach && dvb_props->tuner_attach(adap)) {
361 if (adap->fe[1]) {
362 adap->fe[1]->id = 1;
363 adap->fe[1]->tuner_priv = adap->fe[0]->tuner_priv;
364 memcpy(&adap->fe[1]->ops.tuner_ops,
365 &adap->fe[0]->ops.tuner_ops,
368 if (dvb_register_frontend(&adap->dvb_adap, adap->fe[1])) {
375 adap->dvb_adap.mfe_shared = 1;
377 if (adap->fe[1]->ops.analog_ops.standby)
378 adap->fe[1]->ops.analog_ops.standby(adap->fe[1]);
381 adap->fe[1]->id);
382 adap->fe[1]->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
385 pvr2_channel_limit_inputs(&adap->channel, 0);
389 dvb_frontend_detach(adap->fe[1]);
390 adap->fe[1] = NULL;
392 dvb_unregister_frontend(adap->fe[0]);
394 dvb_frontend_detach(adap->fe[0]);
395 adap->fe[0] = NULL;
396 dvb_module_release(adap->i2c_client_tuner);
397 dvb_module_release(adap->i2c_client_demod[1]);
398 dvb_module_release(adap->i2c_client_demod[0]);
403 static int pvr2_dvb_frontend_exit(struct pvr2_dvb_adapter *adap)
405 if (adap->fe[1]) {
406 dvb_unregister_frontend(adap->fe[1]);
407 dvb_frontend_detach(adap->fe[1]);
408 adap->fe[1] = NULL;
410 if (adap->fe[0]) {
411 dvb_unregister_frontend(adap->fe[0]);
412 dvb_frontend_detach(adap->fe[0]);
413 adap->fe[0] = NULL;
416 dvb_module_release(adap->i2c_client_tuner);
417 adap->i2c_client_tuner = NULL;
418 dvb_module_release(adap->i2c_client_demod[1]);
419 adap->i2c_client_demod[1] = NULL;
420 dvb_module_release(adap->i2c_client_demod[0]);
421 adap->i2c_client_demod[0] = NULL;
426 static void pvr2_dvb_destroy(struct pvr2_dvb_adapter *adap)
428 pvr2_dvb_stream_end(adap);
429 pvr2_dvb_frontend_exit(adap);
430 pvr2_dvb_adapter_exit(adap);
431 pvr2_channel_done(&adap->channel);
432 kfree(adap);
437 struct pvr2_dvb_adapter *adap;
438 adap = container_of(chp, struct pvr2_dvb_adapter, channel);
439 if (!adap->channel.mc_head->disconnect_flag) return;
440 pvr2_dvb_destroy(adap);
446 struct pvr2_dvb_adapter *adap;
452 adap = kzalloc(sizeof(*adap), GFP_KERNEL);
453 if (!adap) return adap;
454 pvr2_channel_init(&adap->channel, pvr);
455 adap->channel.check_func = pvr2_dvb_internal_check;
456 init_waitqueue_head(&adap->buffer_wait_data);
457 mutex_init(&adap->lock);
458 ret = pvr2_dvb_adapter_init(adap);
460 ret = pvr2_dvb_frontend_init(adap);
462 return adap;
465 pvr2_dvb_adapter_exit(adap);
467 pvr2_channel_done(&adap->channel);