1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de>
6 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
9 #include "dvb_usb_common.h"
10 #include <media/media-device.h>
12 static int dvb_usbv2_disable_rc_polling;
13 module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644);
14 MODULE_PARM_DESC(disable_rc_polling,
15 "disable remote control polling (default: 0)");
16 static int dvb_usb_force_pid_filter_usage;
17 module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage,
19 MODULE_PARM_DESC(force_pid_filter_usage,
20 "force all DVB USB devices to use a PID filter, if any (default: 0)");
22 static int dvb_usbv2_download_firmware(struct dvb_usb_device *d,
26 const struct firmware *fw;
27 dev_dbg(&d->udev->dev, "%s:\n", __func__);
29 if (!d->props->download_firmware) {
34 ret = reject_firmware(&fw, name, &d->udev->dev);
36 dev_err(&d->udev->dev,
37 "%s: Did not find the firmware file '%s' (status %d). /*(DEBLOBBED)*/\n",
38 KBUILD_MODNAME, name, ret);
42 dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n",
43 KBUILD_MODNAME, name);
45 ret = d->props->download_firmware(d, fw);
52 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
56 static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
59 dev_dbg(&d->udev->dev, "%s:\n", __func__);
61 if (!d->props->i2c_algo)
64 strscpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
65 d->i2c_adap.algo = d->props->i2c_algo;
66 d->i2c_adap.dev.parent = &d->udev->dev;
67 i2c_set_adapdata(&d->i2c_adap, d);
69 ret = i2c_add_adapter(&d->i2c_adap);
71 d->i2c_adap.algo = NULL;
77 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
81 static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
83 dev_dbg(&d->udev->dev, "%s:\n", __func__);
86 i2c_del_adapter(&d->i2c_adap);
91 #if IS_ENABLED(CONFIG_RC_CORE)
92 static void dvb_usb_read_remote_control(struct work_struct *work)
94 struct dvb_usb_device *d = container_of(work,
95 struct dvb_usb_device, rc_query_work.work);
99 * When the parameter has been set to 1 via sysfs while the
100 * driver was running, or when bulk mode is enabled after IR init.
102 if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) {
103 d->rc_polling_active = false;
107 ret = d->rc.query(d);
109 dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n",
110 KBUILD_MODNAME, ret);
111 d->rc_polling_active = false;
112 return; /* stop polling */
115 schedule_delayed_work(&d->rc_query_work,
116 msecs_to_jiffies(d->rc.interval));
119 static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
123 dev_dbg(&d->udev->dev, "%s:\n", __func__);
125 if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
128 d->rc.map_name = d->rc_map;
129 ret = d->props->get_rc_config(d, &d->rc);
133 /* disable rc when there is no keymap defined */
137 dev = rc_allocate_device(d->rc.driver_type);
143 dev->dev.parent = &d->udev->dev;
144 dev->device_name = d->name;
145 usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
146 strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
147 dev->input_phys = d->rc_phys;
148 usb_to_input_id(d->udev, &dev->input_id);
149 dev->driver_name = d->props->driver_name;
150 dev->map_name = d->rc.map_name;
151 dev->allowed_protocols = d->rc.allowed_protos;
152 dev->change_protocol = d->rc.change_protocol;
153 dev->timeout = d->rc.timeout;
156 ret = rc_register_device(dev);
164 /* start polling if needed */
165 if (d->rc.query && !d->rc.bulk_mode) {
166 /* initialize a work queue for handling polling */
167 INIT_DELAYED_WORK(&d->rc_query_work,
168 dvb_usb_read_remote_control);
169 dev_info(&d->udev->dev,
170 "%s: schedule remote query interval to %d msecs\n",
171 KBUILD_MODNAME, d->rc.interval);
172 schedule_delayed_work(&d->rc_query_work,
173 msecs_to_jiffies(d->rc.interval));
174 d->rc_polling_active = true;
179 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
183 static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
185 dev_dbg(&d->udev->dev, "%s:\n", __func__);
188 cancel_delayed_work_sync(&d->rc_query_work);
189 rc_unregister_device(d->rc_dev);
196 #define dvb_usbv2_remote_init(args...) 0
197 #define dvb_usbv2_remote_exit(args...)
200 static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
203 struct dvb_usb_adapter *adap = stream->user_priv;
204 dvb_dmx_swfilter(&adap->demux, buf, len);
207 static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf,
210 struct dvb_usb_adapter *adap = stream->user_priv;
211 dvb_dmx_swfilter_204(&adap->demux, buf, len);
214 static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
217 struct dvb_usb_adapter *adap = stream->user_priv;
218 dvb_dmx_swfilter_raw(&adap->demux, buf, len);
221 static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
223 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
226 adap->stream.udev = adap_to_d(adap)->udev;
227 adap->stream.user_priv = adap;
228 adap->stream.complete = dvb_usb_data_complete;
230 return usb_urb_initv2(&adap->stream, &adap->props->stream);
233 static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
235 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
238 return usb_urb_exitv2(&adap->stream);
241 static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
243 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
244 struct dvb_usb_device *d = adap_to_d(adap);
246 struct usb_data_stream_properties stream_props;
247 dev_dbg(&d->udev->dev,
248 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
249 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
250 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
251 dvbdmxfeed->pid, dvbdmxfeed->index);
253 /* wait init is done */
254 wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE);
256 if (adap->active_fe == -1)
259 /* skip feed setup if we are already feeding */
260 if (adap->feed_count++ > 0)
261 goto skip_feed_start;
263 /* set 'streaming' status bit */
264 set_bit(ADAP_STREAMING, &adap->state_bits);
266 /* resolve input and output streaming parameters */
267 if (d->props->get_stream_config) {
268 memcpy(&stream_props, &adap->props->stream,
269 sizeof(struct usb_data_stream_properties));
270 ret = d->props->get_stream_config(adap->fe[adap->active_fe],
271 &adap->ts_type, &stream_props);
273 dev_err(&d->udev->dev,
274 "%s: get_stream_config() failed=%d\n",
275 KBUILD_MODNAME, ret);
277 stream_props = adap->props->stream;
280 switch (adap->ts_type) {
281 case DVB_USB_FE_TS_TYPE_204:
282 adap->stream.complete = dvb_usb_data_complete_204;
284 case DVB_USB_FE_TS_TYPE_RAW:
285 adap->stream.complete = dvb_usb_data_complete_raw;
287 case DVB_USB_FE_TS_TYPE_188:
289 adap->stream.complete = dvb_usb_data_complete;
293 /* submit USB streaming packets */
294 usb_urb_submitv2(&adap->stream, &stream_props);
296 /* enable HW PID filter */
297 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
298 ret = adap->props->pid_filter_ctrl(adap, 1);
300 dev_err(&d->udev->dev,
301 "%s: pid_filter_ctrl() failed=%d\n",
302 KBUILD_MODNAME, ret);
305 /* ask device to start streaming */
306 if (d->props->streaming_ctrl) {
307 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1);
309 dev_err(&d->udev->dev,
310 "%s: streaming_ctrl() failed=%d\n",
311 KBUILD_MODNAME, ret);
315 /* add PID to device HW PID filter */
316 if (adap->pid_filtering && adap->props->pid_filter) {
317 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
320 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
321 KBUILD_MODNAME, ret);
325 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
329 static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
331 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
332 struct dvb_usb_device *d = adap_to_d(adap);
334 dev_dbg(&d->udev->dev,
335 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
336 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
337 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
338 dvbdmxfeed->pid, dvbdmxfeed->index);
340 if (adap->active_fe == -1)
343 /* remove PID from device HW PID filter */
344 if (adap->pid_filtering && adap->props->pid_filter) {
345 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
348 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
349 KBUILD_MODNAME, ret);
352 /* we cannot stop streaming until last PID is removed */
353 if (--adap->feed_count > 0)
356 /* ask device to stop streaming */
357 if (d->props->streaming_ctrl) {
358 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0);
360 dev_err(&d->udev->dev,
361 "%s: streaming_ctrl() failed=%d\n",
362 KBUILD_MODNAME, ret);
365 /* disable HW PID filter */
366 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
367 ret = adap->props->pid_filter_ctrl(adap, 0);
369 dev_err(&d->udev->dev,
370 "%s: pid_filter_ctrl() failed=%d\n",
371 KBUILD_MODNAME, ret);
374 /* kill USB streaming packets */
375 usb_urb_killv2(&adap->stream);
377 /* clear 'streaming' status bit */
378 clear_bit(ADAP_STREAMING, &adap->state_bits);
379 smp_mb__after_atomic();
380 wake_up_bit(&adap->state_bits, ADAP_STREAMING);
384 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
388 static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
390 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
391 struct media_device *mdev;
392 struct dvb_usb_device *d = adap_to_d(adap);
393 struct usb_device *udev = d->udev;
395 mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
399 media_device_usb_init(mdev, udev, d->name);
401 dvb_register_media_controller(&adap->dvb_adap, mdev);
403 dev_info(&d->udev->dev, "media controller created\n");
408 static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
410 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
411 return media_device_register(adap->dvb_adap.mdev);
417 static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
419 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
421 if (!adap->dvb_adap.mdev)
424 media_device_unregister(adap->dvb_adap.mdev);
425 media_device_cleanup(adap->dvb_adap.mdev);
426 kfree(adap->dvb_adap.mdev);
427 adap->dvb_adap.mdev = NULL;
432 static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
435 struct dvb_usb_device *d = adap_to_d(adap);
437 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
439 ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner,
440 &d->udev->dev, d->props->adapter_nr);
442 dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n",
444 goto err_dvb_register_adapter;
447 adap->dvb_adap.priv = adap;
449 ret = dvb_usbv2_media_device_init(adap);
451 dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n",
453 goto err_dvb_register_mc;
456 if (d->props->read_mac_address) {
457 ret = d->props->read_mac_address(adap,
458 adap->dvb_adap.proposed_mac);
460 goto err_dvb_dmx_init;
462 dev_info(&d->udev->dev, "%s: MAC address: %pM\n",
463 KBUILD_MODNAME, adap->dvb_adap.proposed_mac);
466 adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
467 adap->demux.priv = adap;
468 adap->demux.filternum = 0;
469 adap->demux.filternum = adap->max_feed_count;
470 adap->demux.feednum = adap->demux.filternum;
471 adap->demux.start_feed = dvb_usb_start_feed;
472 adap->demux.stop_feed = dvb_usb_stop_feed;
473 adap->demux.write_to_decoder = NULL;
474 ret = dvb_dmx_init(&adap->demux);
476 dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n",
477 KBUILD_MODNAME, ret);
478 goto err_dvb_dmx_init;
481 adap->dmxdev.filternum = adap->demux.filternum;
482 adap->dmxdev.demux = &adap->demux.dmx;
483 adap->dmxdev.capabilities = 0;
484 ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
486 dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n",
487 KBUILD_MODNAME, ret);
488 goto err_dvb_dmxdev_init;
491 ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
493 dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n",
494 KBUILD_MODNAME, ret);
495 goto err_dvb_net_init;
500 dvb_dmxdev_release(&adap->dmxdev);
502 dvb_dmx_release(&adap->demux);
504 dvb_usbv2_media_device_unregister(adap);
506 dvb_unregister_adapter(&adap->dvb_adap);
507 err_dvb_register_adapter:
508 adap->dvb_adap.priv = NULL;
512 static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
514 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
517 if (adap->dvb_adap.priv) {
518 dvb_net_release(&adap->dvb_net);
519 adap->demux.dmx.close(&adap->demux.dmx);
520 dvb_dmxdev_release(&adap->dmxdev);
521 dvb_dmx_release(&adap->demux);
522 dvb_unregister_adapter(&adap->dvb_adap);
528 static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
537 if (d->powered == 0 || (onoff && d->powered == 1)) {
538 /* when switching from 1 to 0 or from 0 to 1 */
539 dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff);
540 if (d->props->power_ctrl) {
541 ret = d->props->power_ctrl(d, onoff);
549 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
553 static int dvb_usb_fe_init(struct dvb_frontend *fe)
556 struct dvb_usb_adapter *adap = fe->dvb->priv;
557 struct dvb_usb_device *d = adap_to_d(adap);
558 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
561 if (!adap->suspend_resume_active) {
562 adap->active_fe = fe->id;
563 set_bit(ADAP_INIT, &adap->state_bits);
566 ret = dvb_usbv2_device_power_ctrl(d, 1);
570 if (d->props->frontend_ctrl) {
571 ret = d->props->frontend_ctrl(fe, 1);
576 if (adap->fe_init[fe->id]) {
577 ret = adap->fe_init[fe->id](fe);
582 if (!adap->suspend_resume_active) {
583 clear_bit(ADAP_INIT, &adap->state_bits);
584 smp_mb__after_atomic();
585 wake_up_bit(&adap->state_bits, ADAP_INIT);
588 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
592 static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
595 struct dvb_usb_adapter *adap = fe->dvb->priv;
596 struct dvb_usb_device *d = adap_to_d(adap);
597 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
600 if (!adap->suspend_resume_active) {
601 set_bit(ADAP_SLEEP, &adap->state_bits);
602 wait_on_bit(&adap->state_bits, ADAP_STREAMING,
603 TASK_UNINTERRUPTIBLE);
606 if (adap->fe_sleep[fe->id]) {
607 ret = adap->fe_sleep[fe->id](fe);
612 if (d->props->frontend_ctrl) {
613 ret = d->props->frontend_ctrl(fe, 0);
618 ret = dvb_usbv2_device_power_ctrl(d, 0);
621 if (!adap->suspend_resume_active) {
622 adap->active_fe = -1;
623 clear_bit(ADAP_SLEEP, &adap->state_bits);
624 smp_mb__after_atomic();
625 wake_up_bit(&adap->state_bits, ADAP_SLEEP);
628 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
632 static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
634 int ret, i, count_registered = 0;
635 struct dvb_usb_device *d = adap_to_d(adap);
636 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
638 memset(adap->fe, 0, sizeof(adap->fe));
639 adap->active_fe = -1;
641 if (d->props->frontend_attach) {
642 ret = d->props->frontend_attach(adap);
644 dev_dbg(&d->udev->dev,
645 "%s: frontend_attach() failed=%d\n",
647 goto err_dvb_frontend_detach;
650 dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n",
656 for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) {
658 /* re-assign sleep and wakeup functions */
659 adap->fe_init[i] = adap->fe[i]->ops.init;
660 adap->fe[i]->ops.init = dvb_usb_fe_init;
661 adap->fe_sleep[i] = adap->fe[i]->ops.sleep;
662 adap->fe[i]->ops.sleep = dvb_usb_fe_sleep;
664 ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]);
666 dev_err(&d->udev->dev,
667 "%s: frontend%d registration failed\n",
669 goto err_dvb_unregister_frontend;
675 if (d->props->tuner_attach) {
676 ret = d->props->tuner_attach(adap);
678 dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n",
680 goto err_dvb_unregister_frontend;
684 ret = dvb_create_media_graph(&adap->dvb_adap, true);
686 goto err_dvb_unregister_frontend;
688 ret = dvb_usbv2_media_device_register(adap);
692 err_dvb_unregister_frontend:
693 for (i = count_registered - 1; i >= 0; i--)
694 dvb_unregister_frontend(adap->fe[i]);
696 err_dvb_frontend_detach:
697 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
699 dvb_frontend_detach(adap->fe[i]);
705 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
709 static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
712 struct dvb_usb_device *d = adap_to_d(adap);
714 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
716 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
718 dvb_unregister_frontend(adap->fe[i]);
719 dvb_frontend_detach(adap->fe[i]);
723 if (d->props->tuner_detach) {
724 ret = d->props->tuner_detach(adap);
726 dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
731 if (d->props->frontend_detach) {
732 ret = d->props->frontend_detach(adap);
734 dev_dbg(&d->udev->dev,
735 "%s: frontend_detach() failed=%d\n",
743 static int dvb_usbv2_adapter_init(struct dvb_usb_device *d)
745 struct dvb_usb_adapter *adap;
746 int ret, i, adapter_count;
748 /* resolve adapter count */
749 adapter_count = d->props->num_adapters;
750 if (d->props->get_adapter_count) {
751 ret = d->props->get_adapter_count(d);
758 for (i = 0; i < adapter_count; i++) {
759 adap = &d->adapter[i];
761 adap->props = &d->props->adapter[i];
763 /* speed - when running at FULL speed we need a HW PID filter */
764 if (d->udev->speed == USB_SPEED_FULL &&
765 !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
766 dev_err(&d->udev->dev,
767 "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n",
771 } else if ((d->udev->speed == USB_SPEED_FULL &&
772 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
773 (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
774 dev_info(&d->udev->dev,
775 "%s: will use the device's hardware PID filter (table count: %d)\n",
777 adap->props->pid_filter_count);
778 adap->pid_filtering = 1;
779 adap->max_feed_count = adap->props->pid_filter_count;
781 dev_info(&d->udev->dev,
782 "%s: will pass the complete MPEG2 transport stream to the software demuxer\n",
784 adap->pid_filtering = 0;
785 adap->max_feed_count = 255;
788 if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
789 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
790 dev_info(&d->udev->dev,
791 "%s: PID filter enabled by module option\n",
793 adap->pid_filtering = 1;
794 adap->max_feed_count = adap->props->pid_filter_count;
797 ret = dvb_usbv2_adapter_stream_init(adap);
801 ret = dvb_usbv2_adapter_dvb_init(adap);
805 ret = dvb_usbv2_adapter_frontend_init(adap);
809 /* use exclusive FE lock if there is multiple shared FEs */
811 adap->dvb_adap.mfe_shared = 1;
816 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
820 static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d)
823 dev_dbg(&d->udev->dev, "%s:\n", __func__);
825 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
826 if (d->adapter[i].props) {
827 dvb_usbv2_adapter_dvb_exit(&d->adapter[i]);
828 dvb_usbv2_adapter_stream_exit(&d->adapter[i]);
829 dvb_usbv2_adapter_frontend_exit(&d->adapter[i]);
830 dvb_usbv2_media_device_unregister(&d->adapter[i]);
837 /* general initialization functions */
838 static int dvb_usbv2_exit(struct dvb_usb_device *d)
840 dev_dbg(&d->udev->dev, "%s:\n", __func__);
842 dvb_usbv2_remote_exit(d);
843 dvb_usbv2_adapter_exit(d);
844 dvb_usbv2_i2c_exit(d);
849 static int dvb_usbv2_init(struct dvb_usb_device *d)
852 dev_dbg(&d->udev->dev, "%s:\n", __func__);
854 dvb_usbv2_device_power_ctrl(d, 1);
856 if (d->props->read_config) {
857 ret = d->props->read_config(d);
862 ret = dvb_usbv2_i2c_init(d);
866 ret = dvb_usbv2_adapter_init(d);
870 if (d->props->init) {
871 ret = d->props->init(d);
876 ret = dvb_usbv2_remote_init(d);
880 dvb_usbv2_device_power_ctrl(d, 0);
884 dvb_usbv2_device_power_ctrl(d, 0);
885 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
889 int dvb_usbv2_probe(struct usb_interface *intf,
890 const struct usb_device_id *id)
893 struct dvb_usb_device *d;
894 struct usb_device *udev = interface_to_usbdev(intf);
895 struct dvb_usb_driver_info *driver_info =
896 (struct dvb_usb_driver_info *) id->driver_info;
898 dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
899 intf->cur_altsetting->desc.bInterfaceNumber);
901 if (!id->driver_info) {
902 dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
907 d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
909 dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
915 d->name = driver_info->name;
916 d->rc_map = driver_info->rc_map;
918 d->props = driver_info->props;
920 if (intf->cur_altsetting->desc.bInterfaceNumber !=
921 d->props->bInterfaceNumber) {
926 mutex_init(&d->usb_mutex);
927 mutex_init(&d->i2c_mutex);
929 if (d->props->size_of_priv) {
930 d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
932 dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
939 if (d->props->probe) {
940 ret = d->props->probe(d);
945 if (d->props->identify_state) {
946 const char *name = NULL;
947 ret = d->props->identify_state(d, &name);
949 dev_info(&d->udev->dev,
950 "%s: found a '%s' in cold state\n",
951 KBUILD_MODNAME, d->name);
954 name = d->props->firmware;
956 ret = dvb_usbv2_download_firmware(d, name);
958 /* device is warm, continue initialization */
960 } else if (ret == RECONNECTS_USB) {
962 * USB core will call disconnect() and then
963 * probe() as device reconnects itself from the
964 * USB bus. disconnect() will release all driver
965 * resources and probe() is called for 'new'
966 * device. As 'new' device is warm we should
967 * never go here again.
973 } else if (ret != WARM) {
978 dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
979 KBUILD_MODNAME, d->name);
981 ret = dvb_usbv2_init(d);
985 dev_info(&d->udev->dev,
986 "%s: '%s' successfully initialized and connected\n",
987 KBUILD_MODNAME, d->name);
989 usb_set_intfdata(intf, d);
994 if (d->props->disconnect)
995 d->props->disconnect(d);
1001 dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
1004 EXPORT_SYMBOL(dvb_usbv2_probe);
1006 void dvb_usbv2_disconnect(struct usb_interface *intf)
1008 struct dvb_usb_device *d = usb_get_intfdata(intf);
1009 const char *devname = kstrdup(dev_name(&d->udev->dev), GFP_KERNEL);
1010 const char *drvname = d->name;
1012 dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
1013 intf->cur_altsetting->desc.bInterfaceNumber);
1020 if (d->props->disconnect)
1021 d->props->disconnect(d);
1026 pr_info("%s: '%s:%s' successfully deinitialized and disconnected\n",
1027 KBUILD_MODNAME, drvname, devname);
1030 EXPORT_SYMBOL(dvb_usbv2_disconnect);
1032 int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
1034 struct dvb_usb_device *d = usb_get_intfdata(intf);
1035 int ret = 0, i, active_fe;
1036 struct dvb_frontend *fe;
1037 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1039 /* stop remote controller poll */
1040 if (d->rc_polling_active)
1041 cancel_delayed_work_sync(&d->rc_query_work);
1043 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
1044 active_fe = d->adapter[i].active_fe;
1045 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1046 fe = d->adapter[i].fe[active_fe];
1047 d->adapter[i].suspend_resume_active = true;
1049 if (d->props->streaming_ctrl)
1050 d->props->streaming_ctrl(fe, 0);
1052 /* stop usb streaming */
1053 usb_urb_killv2(&d->adapter[i].stream);
1055 ret = dvb_frontend_suspend(fe);
1061 EXPORT_SYMBOL(dvb_usbv2_suspend);
1063 static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
1065 int ret = 0, i, active_fe;
1066 struct dvb_frontend *fe;
1067 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1069 for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) {
1070 active_fe = d->adapter[i].active_fe;
1071 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1072 fe = d->adapter[i].fe[active_fe];
1074 ret = dvb_frontend_resume(fe);
1076 /* resume usb streaming */
1077 usb_urb_submitv2(&d->adapter[i].stream, NULL);
1079 if (d->props->streaming_ctrl)
1080 d->props->streaming_ctrl(fe, 1);
1082 d->adapter[i].suspend_resume_active = false;
1086 /* start remote controller poll */
1087 if (d->rc_polling_active)
1088 schedule_delayed_work(&d->rc_query_work,
1089 msecs_to_jiffies(d->rc.interval));
1094 int dvb_usbv2_resume(struct usb_interface *intf)
1096 struct dvb_usb_device *d = usb_get_intfdata(intf);
1097 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1099 return dvb_usbv2_resume_common(d);
1101 EXPORT_SYMBOL(dvb_usbv2_resume);
1103 int dvb_usbv2_reset_resume(struct usb_interface *intf)
1105 struct dvb_usb_device *d = usb_get_intfdata(intf);
1107 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1109 dvb_usbv2_device_power_ctrl(d, 1);
1114 ret = dvb_usbv2_resume_common(d);
1116 dvb_usbv2_device_power_ctrl(d, 0);
1120 EXPORT_SYMBOL(dvb_usbv2_reset_resume);
1122 MODULE_VERSION("2.0");
1123 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
1124 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1125 MODULE_DESCRIPTION("DVB USB common");
1126 MODULE_LICENSE("GPL");