4 * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de>
5 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "dvb_usb_common.h"
23 #include <media/media-device.h>
25 static int dvb_usbv2_disable_rc_polling;
26 module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644);
27 MODULE_PARM_DESC(disable_rc_polling,
28 "disable remote control polling (default: 0)");
29 static int dvb_usb_force_pid_filter_usage;
30 module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage,
32 MODULE_PARM_DESC(force_pid_filter_usage,
33 "force all DVB USB devices to use a PID filter, if any (default: 0)");
35 static int dvb_usbv2_download_firmware(struct dvb_usb_device *d,
39 const struct firmware *fw;
40 dev_dbg(&d->udev->dev, "%s:\n", __func__);
42 if (!d->props->download_firmware) {
47 ret = request_firmware(&fw, name, &d->udev->dev);
49 dev_err(&d->udev->dev,
50 "%s: Did not find the firmware file '%s'. Please see linux/Documentation/dvb/ for more details on firmware-problems. Status %d\n",
51 KBUILD_MODNAME, name, ret);
55 dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n",
56 KBUILD_MODNAME, name);
58 ret = d->props->download_firmware(d, fw);
65 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
69 static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
72 dev_dbg(&d->udev->dev, "%s:\n", __func__);
74 if (!d->props->i2c_algo)
77 strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
78 d->i2c_adap.algo = d->props->i2c_algo;
79 d->i2c_adap.dev.parent = &d->udev->dev;
80 i2c_set_adapdata(&d->i2c_adap, d);
82 ret = i2c_add_adapter(&d->i2c_adap);
84 d->i2c_adap.algo = NULL;
85 dev_err(&d->udev->dev, "%s: i2c_add_adapter() failed=%d\n",
92 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
96 static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
98 dev_dbg(&d->udev->dev, "%s:\n", __func__);
100 if (d->i2c_adap.algo)
101 i2c_del_adapter(&d->i2c_adap);
106 #if IS_ENABLED(CONFIG_RC_CORE)
107 static void dvb_usb_read_remote_control(struct work_struct *work)
109 struct dvb_usb_device *d = container_of(work,
110 struct dvb_usb_device, rc_query_work.work);
114 * When the parameter has been set to 1 via sysfs while the
115 * driver was running, or when bulk mode is enabled after IR init.
117 if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) {
118 d->rc_polling_active = false;
122 ret = d->rc.query(d);
124 dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n",
125 KBUILD_MODNAME, ret);
126 d->rc_polling_active = false;
127 return; /* stop polling */
130 schedule_delayed_work(&d->rc_query_work,
131 msecs_to_jiffies(d->rc.interval));
134 static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
138 dev_dbg(&d->udev->dev, "%s:\n", __func__);
140 if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
143 d->rc.map_name = d->rc_map;
144 ret = d->props->get_rc_config(d, &d->rc);
148 /* disable rc when there is no keymap defined */
152 dev = rc_allocate_device();
158 dev->dev.parent = &d->udev->dev;
159 dev->input_name = d->name;
160 usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
161 strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
162 dev->input_phys = d->rc_phys;
163 usb_to_input_id(d->udev, &dev->input_id);
164 /* TODO: likely RC-core should took const char * */
165 dev->driver_name = (char *) d->props->driver_name;
166 dev->map_name = d->rc.map_name;
167 dev->driver_type = d->rc.driver_type;
168 dev->allowed_protocols = d->rc.allowed_protos;
169 dev->change_protocol = d->rc.change_protocol;
172 ret = rc_register_device(dev);
180 /* start polling if needed */
181 if (d->rc.query && !d->rc.bulk_mode) {
182 /* initialize a work queue for handling polling */
183 INIT_DELAYED_WORK(&d->rc_query_work,
184 dvb_usb_read_remote_control);
185 dev_info(&d->udev->dev,
186 "%s: schedule remote query interval to %d msecs\n",
187 KBUILD_MODNAME, d->rc.interval);
188 schedule_delayed_work(&d->rc_query_work,
189 msecs_to_jiffies(d->rc.interval));
190 d->rc_polling_active = true;
195 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
199 static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
201 dev_dbg(&d->udev->dev, "%s:\n", __func__);
204 cancel_delayed_work_sync(&d->rc_query_work);
205 rc_unregister_device(d->rc_dev);
212 #define dvb_usbv2_remote_init(args...) 0
213 #define dvb_usbv2_remote_exit(args...)
216 static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
219 struct dvb_usb_adapter *adap = stream->user_priv;
220 dvb_dmx_swfilter(&adap->demux, buf, len);
223 static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf,
226 struct dvb_usb_adapter *adap = stream->user_priv;
227 dvb_dmx_swfilter_204(&adap->demux, buf, len);
230 static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
233 struct dvb_usb_adapter *adap = stream->user_priv;
234 dvb_dmx_swfilter_raw(&adap->demux, buf, len);
237 static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
239 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
242 adap->stream.udev = adap_to_d(adap)->udev;
243 adap->stream.user_priv = adap;
244 adap->stream.complete = dvb_usb_data_complete;
246 return usb_urb_initv2(&adap->stream, &adap->props->stream);
249 static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
251 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
254 return usb_urb_exitv2(&adap->stream);
257 static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
259 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
260 struct dvb_usb_device *d = adap_to_d(adap);
262 struct usb_data_stream_properties stream_props;
263 dev_dbg(&d->udev->dev,
264 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
265 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
266 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
267 dvbdmxfeed->pid, dvbdmxfeed->index);
269 /* wait init is done */
270 wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE);
272 if (adap->active_fe == -1)
275 /* skip feed setup if we are already feeding */
276 if (adap->feed_count++ > 0)
277 goto skip_feed_start;
279 /* set 'streaming' status bit */
280 set_bit(ADAP_STREAMING, &adap->state_bits);
282 /* resolve input and output streaming parameters */
283 if (d->props->get_stream_config) {
284 memcpy(&stream_props, &adap->props->stream,
285 sizeof(struct usb_data_stream_properties));
286 ret = d->props->get_stream_config(adap->fe[adap->active_fe],
287 &adap->ts_type, &stream_props);
289 dev_err(&d->udev->dev,
290 "%s: get_stream_config() failed=%d\n",
291 KBUILD_MODNAME, ret);
293 stream_props = adap->props->stream;
296 switch (adap->ts_type) {
297 case DVB_USB_FE_TS_TYPE_204:
298 adap->stream.complete = dvb_usb_data_complete_204;
300 case DVB_USB_FE_TS_TYPE_RAW:
301 adap->stream.complete = dvb_usb_data_complete_raw;
303 case DVB_USB_FE_TS_TYPE_188:
305 adap->stream.complete = dvb_usb_data_complete;
309 /* submit USB streaming packets */
310 usb_urb_submitv2(&adap->stream, &stream_props);
312 /* enable HW PID filter */
313 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
314 ret = adap->props->pid_filter_ctrl(adap, 1);
316 dev_err(&d->udev->dev,
317 "%s: pid_filter_ctrl() failed=%d\n",
318 KBUILD_MODNAME, ret);
321 /* ask device to start streaming */
322 if (d->props->streaming_ctrl) {
323 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1);
325 dev_err(&d->udev->dev,
326 "%s: streaming_ctrl() failed=%d\n",
327 KBUILD_MODNAME, ret);
331 /* add PID to device HW PID filter */
332 if (adap->pid_filtering && adap->props->pid_filter) {
333 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
336 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
337 KBUILD_MODNAME, ret);
341 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
345 static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
347 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
348 struct dvb_usb_device *d = adap_to_d(adap);
350 dev_dbg(&d->udev->dev,
351 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
352 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
353 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
354 dvbdmxfeed->pid, dvbdmxfeed->index);
356 if (adap->active_fe == -1)
359 /* remove PID from device HW PID filter */
360 if (adap->pid_filtering && adap->props->pid_filter) {
361 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
364 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
365 KBUILD_MODNAME, ret);
368 /* we cannot stop streaming until last PID is removed */
369 if (--adap->feed_count > 0)
372 /* ask device to stop streaming */
373 if (d->props->streaming_ctrl) {
374 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0);
376 dev_err(&d->udev->dev,
377 "%s: streaming_ctrl() failed=%d\n",
378 KBUILD_MODNAME, ret);
381 /* disable HW PID filter */
382 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
383 ret = adap->props->pid_filter_ctrl(adap, 0);
385 dev_err(&d->udev->dev,
386 "%s: pid_filter_ctrl() failed=%d\n",
387 KBUILD_MODNAME, ret);
390 /* kill USB streaming packets */
391 usb_urb_killv2(&adap->stream);
393 /* clear 'streaming' status bit */
394 clear_bit(ADAP_STREAMING, &adap->state_bits);
395 smp_mb__after_atomic();
396 wake_up_bit(&adap->state_bits, ADAP_STREAMING);
400 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
404 static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
406 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
407 struct media_device *mdev;
408 struct dvb_usb_device *d = adap_to_d(adap);
409 struct usb_device *udev = d->udev;
411 mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
415 media_device_usb_init(mdev, udev, d->name);
417 dvb_register_media_controller(&adap->dvb_adap, mdev);
419 dev_info(&d->udev->dev, "media controller created\n");
424 static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
426 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
427 return media_device_register(adap->dvb_adap.mdev);
433 static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
435 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
437 if (!adap->dvb_adap.mdev)
440 media_device_unregister(adap->dvb_adap.mdev);
441 media_device_cleanup(adap->dvb_adap.mdev);
442 kfree(adap->dvb_adap.mdev);
443 adap->dvb_adap.mdev = NULL;
448 static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
451 struct dvb_usb_device *d = adap_to_d(adap);
453 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
455 ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner,
456 &d->udev->dev, d->props->adapter_nr);
458 dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n",
460 goto err_dvb_register_adapter;
463 adap->dvb_adap.priv = adap;
465 ret = dvb_usbv2_media_device_init(adap);
467 dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n",
469 goto err_dvb_register_mc;
472 if (d->props->read_mac_address) {
473 ret = d->props->read_mac_address(adap,
474 adap->dvb_adap.proposed_mac);
476 goto err_dvb_dmx_init;
478 dev_info(&d->udev->dev, "%s: MAC address: %pM\n",
479 KBUILD_MODNAME, adap->dvb_adap.proposed_mac);
482 adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
483 adap->demux.priv = adap;
484 adap->demux.filternum = 0;
485 adap->demux.filternum = adap->max_feed_count;
486 adap->demux.feednum = adap->demux.filternum;
487 adap->demux.start_feed = dvb_usb_start_feed;
488 adap->demux.stop_feed = dvb_usb_stop_feed;
489 adap->demux.write_to_decoder = NULL;
490 ret = dvb_dmx_init(&adap->demux);
492 dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n",
493 KBUILD_MODNAME, ret);
494 goto err_dvb_dmx_init;
497 adap->dmxdev.filternum = adap->demux.filternum;
498 adap->dmxdev.demux = &adap->demux.dmx;
499 adap->dmxdev.capabilities = 0;
500 ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
502 dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n",
503 KBUILD_MODNAME, ret);
504 goto err_dvb_dmxdev_init;
507 ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
509 dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n",
510 KBUILD_MODNAME, ret);
511 goto err_dvb_net_init;
516 dvb_dmxdev_release(&adap->dmxdev);
518 dvb_dmx_release(&adap->demux);
520 dvb_usbv2_media_device_unregister(adap);
522 dvb_unregister_adapter(&adap->dvb_adap);
523 err_dvb_register_adapter:
524 adap->dvb_adap.priv = NULL;
528 static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
530 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
533 if (adap->dvb_adap.priv) {
534 dvb_net_release(&adap->dvb_net);
535 adap->demux.dmx.close(&adap->demux.dmx);
536 dvb_dmxdev_release(&adap->dmxdev);
537 dvb_dmx_release(&adap->demux);
538 dvb_unregister_adapter(&adap->dvb_adap);
544 static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
553 if (d->powered == 0 || (onoff && d->powered == 1)) {
554 /* when switching from 1 to 0 or from 0 to 1 */
555 dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff);
556 if (d->props->power_ctrl) {
557 ret = d->props->power_ctrl(d, onoff);
565 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
569 static int dvb_usb_fe_init(struct dvb_frontend *fe)
572 struct dvb_usb_adapter *adap = fe->dvb->priv;
573 struct dvb_usb_device *d = adap_to_d(adap);
574 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
577 if (!adap->suspend_resume_active) {
578 adap->active_fe = fe->id;
579 set_bit(ADAP_INIT, &adap->state_bits);
582 ret = dvb_usbv2_device_power_ctrl(d, 1);
586 if (d->props->frontend_ctrl) {
587 ret = d->props->frontend_ctrl(fe, 1);
592 if (adap->fe_init[fe->id]) {
593 ret = adap->fe_init[fe->id](fe);
598 if (!adap->suspend_resume_active) {
599 clear_bit(ADAP_INIT, &adap->state_bits);
600 smp_mb__after_atomic();
601 wake_up_bit(&adap->state_bits, ADAP_INIT);
604 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
608 static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
611 struct dvb_usb_adapter *adap = fe->dvb->priv;
612 struct dvb_usb_device *d = adap_to_d(adap);
613 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
616 if (!adap->suspend_resume_active) {
617 set_bit(ADAP_SLEEP, &adap->state_bits);
618 wait_on_bit(&adap->state_bits, ADAP_STREAMING,
619 TASK_UNINTERRUPTIBLE);
622 if (adap->fe_sleep[fe->id]) {
623 ret = adap->fe_sleep[fe->id](fe);
628 if (d->props->frontend_ctrl) {
629 ret = d->props->frontend_ctrl(fe, 0);
634 ret = dvb_usbv2_device_power_ctrl(d, 0);
638 if (!adap->suspend_resume_active) {
639 adap->active_fe = -1;
640 clear_bit(ADAP_SLEEP, &adap->state_bits);
641 smp_mb__after_atomic();
642 wake_up_bit(&adap->state_bits, ADAP_SLEEP);
645 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
649 static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
651 int ret, i, count_registered = 0;
652 struct dvb_usb_device *d = adap_to_d(adap);
653 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
655 memset(adap->fe, 0, sizeof(adap->fe));
656 adap->active_fe = -1;
658 if (d->props->frontend_attach) {
659 ret = d->props->frontend_attach(adap);
661 dev_dbg(&d->udev->dev,
662 "%s: frontend_attach() failed=%d\n",
664 goto err_dvb_frontend_detach;
667 dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n",
673 for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) {
675 /* re-assign sleep and wakeup functions */
676 adap->fe_init[i] = adap->fe[i]->ops.init;
677 adap->fe[i]->ops.init = dvb_usb_fe_init;
678 adap->fe_sleep[i] = adap->fe[i]->ops.sleep;
679 adap->fe[i]->ops.sleep = dvb_usb_fe_sleep;
681 ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]);
683 dev_err(&d->udev->dev,
684 "%s: frontend%d registration failed\n",
686 goto err_dvb_unregister_frontend;
692 if (d->props->tuner_attach) {
693 ret = d->props->tuner_attach(adap);
695 dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n",
697 goto err_dvb_unregister_frontend;
701 ret = dvb_create_media_graph(&adap->dvb_adap, true);
703 goto err_dvb_unregister_frontend;
705 ret = dvb_usbv2_media_device_register(adap);
709 err_dvb_unregister_frontend:
710 for (i = count_registered - 1; i >= 0; i--)
711 dvb_unregister_frontend(adap->fe[i]);
713 err_dvb_frontend_detach:
714 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
716 dvb_frontend_detach(adap->fe[i]);
722 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
726 static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
729 struct dvb_usb_device *d = adap_to_d(adap);
731 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
733 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
735 dvb_unregister_frontend(adap->fe[i]);
736 dvb_frontend_detach(adap->fe[i]);
740 if (d->props->tuner_detach) {
741 ret = d->props->tuner_detach(adap);
743 dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
748 if (d->props->frontend_detach) {
749 ret = d->props->frontend_detach(adap);
751 dev_dbg(&d->udev->dev,
752 "%s: frontend_detach() failed=%d\n",
760 static int dvb_usbv2_adapter_init(struct dvb_usb_device *d)
762 struct dvb_usb_adapter *adap;
763 int ret, i, adapter_count;
765 /* resolve adapter count */
766 adapter_count = d->props->num_adapters;
767 if (d->props->get_adapter_count) {
768 ret = d->props->get_adapter_count(d);
775 for (i = 0; i < adapter_count; i++) {
776 adap = &d->adapter[i];
778 adap->props = &d->props->adapter[i];
780 /* speed - when running at FULL speed we need a HW PID filter */
781 if (d->udev->speed == USB_SPEED_FULL &&
782 !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
783 dev_err(&d->udev->dev,
784 "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n",
788 } else if ((d->udev->speed == USB_SPEED_FULL &&
789 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
790 (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
791 dev_info(&d->udev->dev,
792 "%s: will use the device's hardware PID filter (table count: %d)\n",
794 adap->props->pid_filter_count);
795 adap->pid_filtering = 1;
796 adap->max_feed_count = adap->props->pid_filter_count;
798 dev_info(&d->udev->dev,
799 "%s: will pass the complete MPEG2 transport stream to the software demuxer\n",
801 adap->pid_filtering = 0;
802 adap->max_feed_count = 255;
805 if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
806 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
807 dev_info(&d->udev->dev,
808 "%s: PID filter enabled by module option\n",
810 adap->pid_filtering = 1;
811 adap->max_feed_count = adap->props->pid_filter_count;
814 ret = dvb_usbv2_adapter_stream_init(adap);
818 ret = dvb_usbv2_adapter_dvb_init(adap);
822 ret = dvb_usbv2_adapter_frontend_init(adap);
826 /* use exclusive FE lock if there is multiple shared FEs */
828 adap->dvb_adap.mfe_shared = 1;
833 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
837 static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d)
840 dev_dbg(&d->udev->dev, "%s:\n", __func__);
842 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
843 if (d->adapter[i].props) {
844 dvb_usbv2_adapter_dvb_exit(&d->adapter[i]);
845 dvb_usbv2_adapter_stream_exit(&d->adapter[i]);
846 dvb_usbv2_adapter_frontend_exit(&d->adapter[i]);
847 dvb_usbv2_media_device_unregister(&d->adapter[i]);
854 /* general initialization functions */
855 static int dvb_usbv2_exit(struct dvb_usb_device *d)
857 dev_dbg(&d->udev->dev, "%s:\n", __func__);
859 dvb_usbv2_remote_exit(d);
860 dvb_usbv2_adapter_exit(d);
861 dvb_usbv2_i2c_exit(d);
868 static int dvb_usbv2_init(struct dvb_usb_device *d)
871 dev_dbg(&d->udev->dev, "%s:\n", __func__);
873 dvb_usbv2_device_power_ctrl(d, 1);
875 if (d->props->read_config) {
876 ret = d->props->read_config(d);
881 ret = dvb_usbv2_i2c_init(d);
885 ret = dvb_usbv2_adapter_init(d);
889 if (d->props->init) {
890 ret = d->props->init(d);
895 ret = dvb_usbv2_remote_init(d);
899 dvb_usbv2_device_power_ctrl(d, 0);
903 dvb_usbv2_device_power_ctrl(d, 0);
904 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
908 int dvb_usbv2_probe(struct usb_interface *intf,
909 const struct usb_device_id *id)
912 struct dvb_usb_device *d;
913 struct usb_device *udev = interface_to_usbdev(intf);
914 struct dvb_usb_driver_info *driver_info =
915 (struct dvb_usb_driver_info *) id->driver_info;
917 dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
918 intf->cur_altsetting->desc.bInterfaceNumber);
920 if (!id->driver_info) {
921 dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
926 d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
928 dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
934 d->name = driver_info->name;
935 d->rc_map = driver_info->rc_map;
937 d->props = driver_info->props;
939 if (intf->cur_altsetting->desc.bInterfaceNumber !=
940 d->props->bInterfaceNumber) {
945 mutex_init(&d->usb_mutex);
946 mutex_init(&d->i2c_mutex);
948 if (d->props->size_of_priv) {
949 d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
951 dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
958 if (d->props->identify_state) {
959 const char *name = NULL;
960 ret = d->props->identify_state(d, &name);
963 } else if (ret == COLD) {
964 dev_info(&d->udev->dev,
965 "%s: found a '%s' in cold state\n",
966 KBUILD_MODNAME, d->name);
969 name = d->props->firmware;
971 ret = dvb_usbv2_download_firmware(d, name);
973 /* device is warm, continue initialization */
975 } else if (ret == RECONNECTS_USB) {
977 * USB core will call disconnect() and then
978 * probe() as device reconnects itself from the
979 * USB bus. disconnect() will release all driver
980 * resources and probe() is called for 'new'
981 * device. As 'new' device is warm we should
982 * never go here again.
993 dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
994 KBUILD_MODNAME, d->name);
996 ret = dvb_usbv2_init(d);
1000 dev_info(&d->udev->dev,
1001 "%s: '%s' successfully initialized and connected\n",
1002 KBUILD_MODNAME, d->name);
1004 usb_set_intfdata(intf, d);
1010 dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
1013 EXPORT_SYMBOL(dvb_usbv2_probe);
1015 void dvb_usbv2_disconnect(struct usb_interface *intf)
1017 struct dvb_usb_device *d = usb_get_intfdata(intf);
1018 const char *name = d->name;
1019 struct device dev = d->udev->dev;
1021 dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
1022 intf->cur_altsetting->desc.bInterfaceNumber);
1029 dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n",
1030 KBUILD_MODNAME, name);
1032 EXPORT_SYMBOL(dvb_usbv2_disconnect);
1034 int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
1036 struct dvb_usb_device *d = usb_get_intfdata(intf);
1037 int ret = 0, i, active_fe;
1038 struct dvb_frontend *fe;
1039 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1041 /* stop remote controller poll */
1042 if (d->rc_polling_active)
1043 cancel_delayed_work_sync(&d->rc_query_work);
1045 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
1046 active_fe = d->adapter[i].active_fe;
1047 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1048 fe = d->adapter[i].fe[active_fe];
1049 d->adapter[i].suspend_resume_active = true;
1051 if (d->props->streaming_ctrl)
1052 d->props->streaming_ctrl(fe, 0);
1054 /* stop usb streaming */
1055 usb_urb_killv2(&d->adapter[i].stream);
1057 ret = dvb_frontend_suspend(fe);
1063 EXPORT_SYMBOL(dvb_usbv2_suspend);
1065 static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
1067 int ret = 0, i, active_fe;
1068 struct dvb_frontend *fe;
1069 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1071 for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) {
1072 active_fe = d->adapter[i].active_fe;
1073 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1074 fe = d->adapter[i].fe[active_fe];
1076 ret = dvb_frontend_resume(fe);
1078 /* resume usb streaming */
1079 usb_urb_submitv2(&d->adapter[i].stream, NULL);
1081 if (d->props->streaming_ctrl)
1082 d->props->streaming_ctrl(fe, 1);
1084 d->adapter[i].suspend_resume_active = false;
1088 /* start remote controller poll */
1089 if (d->rc_polling_active)
1090 schedule_delayed_work(&d->rc_query_work,
1091 msecs_to_jiffies(d->rc.interval));
1096 int dvb_usbv2_resume(struct usb_interface *intf)
1098 struct dvb_usb_device *d = usb_get_intfdata(intf);
1099 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1101 return dvb_usbv2_resume_common(d);
1103 EXPORT_SYMBOL(dvb_usbv2_resume);
1105 int dvb_usbv2_reset_resume(struct usb_interface *intf)
1107 struct dvb_usb_device *d = usb_get_intfdata(intf);
1109 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1111 dvb_usbv2_device_power_ctrl(d, 1);
1116 ret = dvb_usbv2_resume_common(d);
1118 dvb_usbv2_device_power_ctrl(d, 0);
1122 EXPORT_SYMBOL(dvb_usbv2_reset_resume);
1124 MODULE_VERSION("2.0");
1125 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
1126 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1127 MODULE_DESCRIPTION("DVB USB common");
1128 MODULE_LICENSE("GPL");