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[media] dvbdev: remove two dead functions if !CONFIG_MEDIA_CONTROLLER_DVB
[deliverable/linux.git] / drivers / media / usb / dvb-usb-v2 / dvb_usb_core.c
CommitLineData
c79b339f 1/*
12042b05 2 * DVB USB framework
c79b339f 3 *
12042b05
AP		 4 * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@desy.de>
5 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
c79b339f 6 *
12042b05
AP		 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.
c79b339f 11 *
12042b05
AP		 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.
c79b339f 16 *
12042b05
AP		 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.
c79b339f 20 */
12042b05 21
c79b339f
AP		 22#include "dvb_usb_common.h"
23
68126673 24static int dvb_usbv2_disable_rc_polling;
59784343 25module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644);
4e60d951 26MODULE_PARM_DESC(disable_rc_polling,
831511bd 27 "disable remote control polling (default: 0)");
c79b339f 28static int dvb_usb_force_pid_filter_usage;
4e60d951
AP		 29module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage,
30 int, 0444);
6d7cfec4
AP		 31MODULE_PARM_DESC(force_pid_filter_usage,
32 "force all DVB USB devices to use a PID filter, if any (default: 0)");
c79b339f 33
6d7cfec4
AP		 34static int dvb_usbv2_download_firmware(struct dvb_usb_device *d,
35 const char *name)
a0d72d24
AP		 36{
37 int ret;
a0921af7 38 const struct firmware *fw;
d10d1b9a 39 dev_dbg(&d->udev->dev, "%s:\n", __func__);
a0d72d24 40
f093c388 41 if (!d->props->download_firmware) {
a0d72d24
AP		 42 ret = -EINVAL;
43 goto err;
44 }
45
46 ret = request_firmware(&fw, name, &d->udev->dev);
47 if (ret < 0) {
6d7cfec4
AP		 48 dev_err(&d->udev->dev,
49 "%s: Did not find the firmware file '%s'. Please see linux/Documentation/dvb/ for more details on firmware-problems. Status %d\n",
50 KBUILD_MODNAME, name, ret);
a0d72d24
AP		 51 goto err;
52 }
53
d10d1b9a
AP		 54 dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n",
55 KBUILD_MODNAME, name);
a0d72d24 56
f093c388 57 ret = d->props->download_firmware(d, fw);
a0d72d24 58 release_firmware(fw);
a0d72d24
AP		 59 if (ret < 0)
60 goto err;
61
c65bcb95 62 return ret;
a0d72d24 63err:
d10d1b9a 64 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
a0d72d24
AP		 65 return ret;
66}
67
d496eb8a 68static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
a177c72b 69{
0fba999f 70 int ret;
d10d1b9a 71 dev_dbg(&d->udev->dev, "%s:\n", __func__);
d70521a3
AP		 72
73 if (!d->props->i2c_algo)
74 return 0;
a177c72b
AP		 75
76 strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
f093c388 77 d->i2c_adap.algo = d->props->i2c_algo;
a177c72b 78 d->i2c_adap.dev.parent = &d->udev->dev;
a177c72b
AP		 79 i2c_set_adapdata(&d->i2c_adap, d);
80
81 ret = i2c_add_adapter(&d->i2c_adap);
0fba999f 82 if (ret < 0) {
d70521a3 83 d->i2c_adap.algo = NULL;
d10d1b9a
AP		 84 dev_err(&d->udev->dev, "%s: i2c_add_adapter() failed=%d\n",
85 KBUILD_MODNAME, ret);
0fba999f
AP		 86 goto err;
87 }
a177c72b 88
0fba999f
AP		 89 return 0;
90err:
d10d1b9a 91 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
a177c72b
AP		 92 return ret;
93}
94
d496eb8a 95static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
a177c72b 96{
d10d1b9a 97 dev_dbg(&d->udev->dev, "%s:\n", __func__);
0fba999f 98
d70521a3
AP		 99 if (d->i2c_adap.algo)
100 i2c_del_adapter(&d->i2c_adap);
0fba999f 101
a177c72b
AP		 102 return 0;
103}
104
37b44a0f 105#if IS_ENABLED(CONFIG_RC_CORE)
877e0aa7
AP		 106static void dvb_usb_read_remote_control(struct work_struct *work)
107{
108 struct dvb_usb_device *d = container_of(work,
109 struct dvb_usb_device, rc_query_work.work);
110 int ret;
111
831511bd
AP		 112 /*
113 * When the parameter has been set to 1 via sysfs while the
114 * driver was running, or when bulk mode is enabled after IR init.
877e0aa7 115 */
ac1c86c8
AP		 116 if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) {
117 d->rc_polling_active = false;
877e0aa7 118 return;
ac1c86c8 119 }
877e0aa7
AP		 120
121 ret = d->rc.query(d);
831511bd 122 if (ret < 0) {
d10d1b9a
AP		 123 dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n",
124 KBUILD_MODNAME, ret);
ac1c86c8 125 d->rc_polling_active = false;
831511bd
AP		 126 return; /* stop polling */
127 }
877e0aa7
AP		 128
129 schedule_delayed_work(&d->rc_query_work,
831511bd 130 msecs_to_jiffies(d->rc.interval));
877e0aa7
AP		 131}
132
133static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
134{
135 int ret;
136 struct rc_dev *dev;
d10d1b9a 137 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ad261839 138
877e0aa7
AP		 139 if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
140 return 0;
141
de73beee 142 d->rc.map_name = d->rc_map;
877e0aa7
AP		 143 ret = d->props->get_rc_config(d, &d->rc);
144 if (ret < 0)
145 goto err;
146
de73beee
AP		 147 /* disable rc when there is no keymap defined */
148 if (!d->rc.map_name)
149 return 0;
150
877e0aa7
AP		 151 dev = rc_allocate_device();
152 if (!dev) {
153 ret = -ENOMEM;
154 goto err;
155 }
156
157 dev->dev.parent = &d->udev->dev;
831511bd 158 dev->input_name = d->name;
877e0aa7
AP		 159 usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
160 strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
161 dev->input_phys = d->rc_phys;
162 usb_to_input_id(d->udev, &dev->input_id);
163 /* TODO: likely RC-core should took const char * */
164 dev->driver_name = (char *) d->props->driver_name;
de73beee 165 dev->map_name = d->rc.map_name;
877e0aa7 166 dev->driver_type = d->rc.driver_type;
c5540fbb 167 dev->allowed_protocols = d->rc.allowed_protos;
877e0aa7
AP		 168 dev->change_protocol = d->rc.change_protocol;
169 dev->priv = d;
877e0aa7
AP		 170
171 ret = rc_register_device(dev);
172 if (ret < 0) {
173 rc_free_device(dev);
174 goto err;
175 }
176
877e0aa7
AP		 177 d->rc_dev = dev;
178
179 /* start polling if needed */
180 if (d->rc.query && !d->rc.bulk_mode) {
181 /* initialize a work queue for handling polling */
182 INIT_DELAYED_WORK(&d->rc_query_work,
183 dvb_usb_read_remote_control);
6d7cfec4
AP		 184 dev_info(&d->udev->dev,
185 "%s: schedule remote query interval to %d msecs\n",
186 KBUILD_MODNAME, d->rc.interval);
877e0aa7
AP		 187 schedule_delayed_work(&d->rc_query_work,
188 msecs_to_jiffies(d->rc.interval));
ac1c86c8 189 d->rc_polling_active = true;
877e0aa7
AP		 190 }
191
877e0aa7
AP		 192 return 0;
193err:
d10d1b9a 194 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
877e0aa7
AP		 195 return ret;
196}
197
198static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
199{
d10d1b9a 200 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ad261839
AP		 201
202 if (d->rc_dev) {
877e0aa7
AP		 203 cancel_delayed_work_sync(&d->rc_query_work);
204 rc_unregister_device(d->rc_dev);
ad261839 205 d->rc_dev = NULL;
877e0aa7
AP		 206 }
207
877e0aa7
AP		 208 return 0;
209}
0c87c66a 210#else
ef382402
AP		 211 #define dvb_usbv2_remote_init(args...) 0
212 #define dvb_usbv2_remote_exit(args...)
0c87c66a 213#endif
877e0aa7 214
41a0abf7
AP		 215static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
216 size_t len)
217{
218 struct dvb_usb_adapter *adap = stream->user_priv;
219 dvb_dmx_swfilter(&adap->demux, buf, len);
220}
221
222static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf,
223 size_t len)
224{
225 struct dvb_usb_adapter *adap = stream->user_priv;
226 dvb_dmx_swfilter_204(&adap->demux, buf, len);
227}
228
229static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
230 size_t len)
231{
232 struct dvb_usb_adapter *adap = stream->user_priv;
233 dvb_dmx_swfilter_raw(&adap->demux, buf, len);
234}
235
691a5502 236static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
41a0abf7 237{
d10d1b9a
AP		 238 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
239 adap->id);
41a0abf7
AP		 240
241 adap->stream.udev = adap_to_d(adap)->udev;
242 adap->stream.user_priv = adap;
243 adap->stream.complete = dvb_usb_data_complete;
244
245 return usb_urb_initv2(&adap->stream, &adap->props->stream);
246}
247
691a5502 248static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
41a0abf7 249{
d10d1b9a
AP		 250 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
251 adap->id);
41a0abf7 252
831511bd 253 return usb_urb_exitv2(&adap->stream);
41a0abf7
AP		 254}
255
96d7ca5e 256static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
41a0abf7
AP		 257{
258 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
259 struct dvb_usb_device *d = adap_to_d(adap);
96d7ca5e
AP		 260 int ret = 0;
261 struct usb_data_stream_properties stream_props;
262 dev_dbg(&d->udev->dev,
263 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
d10d1b9a 264 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
41a0abf7 265 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
96d7ca5e 266 dvbdmxfeed->pid, dvbdmxfeed->index);
41a0abf7 267
96d7ca5e 268 /* wait init is done */
74316201 269 wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE);
bdecbe43 270
41a0abf7
AP		 271 if (adap->active_fe == -1)
272 return -EINVAL;
273
96d7ca5e
AP		 274 /* skip feed setup if we are already feeding */
275 if (adap->feed_count++ > 0)
276 goto skip_feed_start;
277
278 /* set 'streaming' status bit */
279 set_bit(ADAP_STREAMING, &adap->state_bits);
280
281 /* resolve input and output streaming parameters */
282 if (d->props->get_stream_config) {
283 memcpy(&stream_props, &adap->props->stream,
284 sizeof(struct usb_data_stream_properties));
285 ret = d->props->get_stream_config(adap->fe[adap->active_fe],
286 &adap->ts_type, &stream_props);
287 if (ret)
288 dev_err(&d->udev->dev,
289 "%s: get_stream_config() failed=%d\n",
290 KBUILD_MODNAME, ret);
291 } else {
292 stream_props = adap->props->stream;
293 }
294
295 switch (adap->ts_type) {
296 case DVB_USB_FE_TS_TYPE_204:
297 adap->stream.complete = dvb_usb_data_complete_204;
298 break;
299 case DVB_USB_FE_TS_TYPE_RAW:
300 adap->stream.complete = dvb_usb_data_complete_raw;
301 break;
302 case DVB_USB_FE_TS_TYPE_188:
303 default:
304 adap->stream.complete = dvb_usb_data_complete;
305 break;
306 }
307
308 /* submit USB streaming packets */
309 usb_urb_submitv2(&adap->stream, &stream_props);
310
311 /* enable HW PID filter */
312 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
313 ret = adap->props->pid_filter_ctrl(adap, 1);
314 if (ret)
315 dev_err(&d->udev->dev,
316 "%s: pid_filter_ctrl() failed=%d\n",
317 KBUILD_MODNAME, ret);
318 }
319
320 /* ask device to start streaming */
321 if (d->props->streaming_ctrl) {
322 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1);
323 if (ret)
324 dev_err(&d->udev->dev,
325 "%s: streaming_ctrl() failed=%d\n",
326 KBUILD_MODNAME, ret);
41a0abf7 327 }
96d7ca5e 328skip_feed_start:
41a0abf7 329
96d7ca5e
AP		 330 /* add PID to device HW PID filter */
331 if (adap->pid_filtering && adap->props->pid_filter) {
41a0abf7 332 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
96d7ca5e
AP		 333 dvbdmxfeed->pid, 1);
334 if (ret)
2d9e7ea6
AP		 335 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
336 KBUILD_MODNAME, ret);
337 }
41a0abf7 338
96d7ca5e
AP		 339 if (ret)
340 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
341 return ret;
342}
41a0abf7 343
96d7ca5e
AP		 344static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
345{
346 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
347 struct dvb_usb_device *d = adap_to_d(adap);
348 int ret = 0;
349 dev_dbg(&d->udev->dev,
350 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
351 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
352 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
353 dvbdmxfeed->pid, dvbdmxfeed->index);
354
355 if (adap->active_fe == -1)
356 return -EINVAL;
357
358 /* remove PID from device HW PID filter */
359 if (adap->pid_filtering && adap->props->pid_filter) {
360 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
361 dvbdmxfeed->pid, 0);
362 if (ret)
363 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
364 KBUILD_MODNAME, ret);
41a0abf7
AP		 365 }
366
96d7ca5e
AP		 367 /* we cannot stop streaming until last PID is removed */
368 if (--adap->feed_count > 0)
369 goto skip_feed_stop;
370
371 /* ask device to stop streaming */
372 if (d->props->streaming_ctrl) {
373 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0);
374 if (ret)
375 dev_err(&d->udev->dev,
376 "%s: streaming_ctrl() failed=%d\n",
377 KBUILD_MODNAME, ret);
378 }
379
380 /* disable HW PID filter */
381 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
382 ret = adap->props->pid_filter_ctrl(adap, 0);
383 if (ret)
384 dev_err(&d->udev->dev,
385 "%s: pid_filter_ctrl() failed=%d\n",
386 KBUILD_MODNAME, ret);
387 }
388
389 /* kill USB streaming packets */
390 usb_urb_killv2(&adap->stream);
391
392 /* clear 'streaming' status bit */
bdecbe43 393 clear_bit(ADAP_STREAMING, &adap->state_bits);
4e857c58 394 smp_mb__after_atomic();
bdecbe43 395 wake_up_bit(&adap->state_bits, ADAP_STREAMING);
96d7ca5e 396skip_feed_stop:
41a0abf7 397
96d7ca5e
AP		 398 if (ret)
399 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
400 return ret;
41a0abf7
AP		 401}
402
9f806795 403static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
6f6c77d8
RLLC		 404{
405#ifdef CONFIG_MEDIA_CONTROLLER_DVB
6f6c77d8 406 struct media_device *mdev;
823b460e 407 struct dvb_usb_device *d = adap_to_d(adap);
6f6c77d8 408 struct usb_device *udev = d->udev;
6f6c77d8
RLLC		 409
410 mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
411 if (!mdev)
9f806795 412 return -ENOMEM;
6f6c77d8
RLLC		 413
414 mdev->dev = &udev->dev;
415 strlcpy(mdev->model, d->name, sizeof(mdev->model));
416 if (udev->serial)
417 strlcpy(mdev->serial, udev->serial, sizeof(mdev->serial));
418 strcpy(mdev->bus_info, udev->devpath);
419 mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
420 mdev->driver_version = LINUX_VERSION_CODE;
421
9832e155 422 media_device_init(mdev);
6f6c77d8 423
89a2c1d6 424 dvb_register_media_controller(&adap->dvb_adap, mdev);
6f6c77d8
RLLC		 425
426 dev_info(&d->udev->dev, "media controller created\n");
9832e155 427#endif
9f806795 428 return 0;
9832e155 429}
6f6c77d8 430
9f806795 431static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
9832e155
JMC		 432{
433#ifdef CONFIG_MEDIA_CONTROLLER_DVB
9f806795
MCC		 434 return media_device_register(adap->dvb_adap.mdev);
435#else
436 return 0;
6f6c77d8
RLLC		 437#endif
438}
439
823b460e 440static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
6f6c77d8
RLLC		 441{
442#ifdef CONFIG_MEDIA_CONTROLLER_DVB
823b460e
MCC		 443
444 if (!adap->dvb_adap.mdev)
6f6c77d8
RLLC		 445 return;
446
823b460e 447 media_device_unregister(adap->dvb_adap.mdev);
9832e155 448 media_device_cleanup(adap->dvb_adap.mdev);
823b460e
MCC		 449 kfree(adap->dvb_adap.mdev);
450 adap->dvb_adap.mdev = NULL;
6f6c77d8
RLLC		 451
452#endif
453}
454
691a5502 455static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
41a0abf7
AP		 456{
457 int ret;
458 struct dvb_usb_device *d = adap_to_d(adap);
823b460e 459
d10d1b9a 460 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 461
462 ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner,
463 &d->udev->dev, d->props->adapter_nr);
464 if (ret < 0) {
d10d1b9a
AP		 465 dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n",
466 __func__, ret);
831511bd 467 goto err_dvb_register_adapter;
41a0abf7
AP		 468 }
469
470 adap->dvb_adap.priv = adap;
471
9f806795
MCC		 472 ret = dvb_usbv2_media_device_init(adap);
473 if (ret < 0) {
474 dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n",
475 __func__, ret);
476 goto err_dvb_register_mc;
477 }
6f6c77d8 478
41a0abf7
AP		 479 if (d->props->read_mac_address) {
480 ret = d->props->read_mac_address(adap,
481 adap->dvb_adap.proposed_mac);
482 if (ret < 0)
831511bd 483 goto err_dvb_dmx_init;
41a0abf7 484
d10d1b9a
AP		 485 dev_info(&d->udev->dev, "%s: MAC address: %pM\n",
486 KBUILD_MODNAME, adap->dvb_adap.proposed_mac);
41a0abf7
AP		 487 }
488
489 adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
490 adap->demux.priv = adap;
491 adap->demux.filternum = 0;
831511bd 492 adap->demux.filternum = adap->max_feed_count;
41a0abf7
AP		 493 adap->demux.feednum = adap->demux.filternum;
494 adap->demux.start_feed = dvb_usb_start_feed;
495 adap->demux.stop_feed = dvb_usb_stop_feed;
496 adap->demux.write_to_decoder = NULL;
497 ret = dvb_dmx_init(&adap->demux);
498 if (ret < 0) {
d10d1b9a
AP		 499 dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n",
500 KBUILD_MODNAME, ret);
831511bd 501 goto err_dvb_dmx_init;
41a0abf7
AP		 502 }
503
504 adap->dmxdev.filternum = adap->demux.filternum;
505 adap->dmxdev.demux = &adap->demux.dmx;
506 adap->dmxdev.capabilities = 0;
507 ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
508 if (ret < 0) {
d10d1b9a
AP		 509 dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n",
510 KBUILD_MODNAME, ret);
831511bd 511 goto err_dvb_dmxdev_init;
41a0abf7
AP		 512 }
513
514 ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
515 if (ret < 0) {
d10d1b9a
AP		 516 dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n",
517 KBUILD_MODNAME, ret);
831511bd 518 goto err_dvb_net_init;
41a0abf7
AP		 519 }
520
41a0abf7 521 return 0;
831511bd 522err_dvb_net_init:
41a0abf7 523 dvb_dmxdev_release(&adap->dmxdev);
831511bd 524err_dvb_dmxdev_init:
41a0abf7 525 dvb_dmx_release(&adap->demux);
831511bd 526err_dvb_dmx_init:
823b460e 527 dvb_usbv2_media_device_unregister(adap);
9f806795 528err_dvb_register_mc:
41a0abf7 529 dvb_unregister_adapter(&adap->dvb_adap);
831511bd 530err_dvb_register_adapter:
41a0abf7
AP		 531 adap->dvb_adap.priv = NULL;
532 return ret;
533}
534
691a5502 535static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
41a0abf7 536{
d10d1b9a
AP		 537 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
538 adap->id);
41a0abf7
AP		 539
540 if (adap->dvb_adap.priv) {
541 dvb_net_release(&adap->dvb_net);
542 adap->demux.dmx.close(&adap->demux.dmx);
543 dvb_dmxdev_release(&adap->dmxdev);
544 dvb_dmx_release(&adap->demux);
823b460e 545 dvb_usbv2_media_device_unregister(adap);
41a0abf7
AP		 546 dvb_unregister_adapter(&adap->dvb_adap);
547 }
548
549 return 0;
550}
551
691a5502 552static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
41a0abf7
AP		 553{
554 int ret;
555
556 if (onoff)
557 d->powered++;
558 else
559 d->powered--;
560
561 if (d->powered == 0 || (onoff && d->powered == 1)) {
562 /* when switching from 1 to 0 or from 0 to 1 */
d10d1b9a 563 dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff);
41a0abf7
AP		 564 if (d->props->power_ctrl) {
565 ret = d->props->power_ctrl(d, onoff);
18cfe03d
AP		 566 if (ret < 0)
567 goto err;
41a0abf7
AP		 568 }
569 }
570
571 return 0;
572err:
d10d1b9a 573 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
41a0abf7
AP		 574 return ret;
575}
576
831511bd 577static int dvb_usb_fe_init(struct dvb_frontend *fe)
41a0abf7
AP		 578{
579 int ret;
580 struct dvb_usb_adapter *adap = fe->dvb->priv;
581 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a
AP		 582 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
583 fe->id);
41a0abf7 584
06bae122
AP		 585 if (!adap->suspend_resume_active) {
586 adap->active_fe = fe->id;
bdecbe43 587 set_bit(ADAP_INIT, &adap->state_bits);
06bae122
AP		 588 }
589
41a0abf7
AP		 590 ret = dvb_usbv2_device_power_ctrl(d, 1);
591 if (ret < 0)
592 goto err;
593
594 if (d->props->frontend_ctrl) {
595 ret = d->props->frontend_ctrl(fe, 1);
596 if (ret < 0)
597 goto err;
598 }
599
600 if (adap->fe_init[fe->id]) {
601 ret = adap->fe_init[fe->id](fe);
602 if (ret < 0)
603 goto err;
604 }
41a0abf7 605err:
bdecbe43
AP		 606 if (!adap->suspend_resume_active) {
607 clear_bit(ADAP_INIT, &adap->state_bits);
4e857c58 608 smp_mb__after_atomic();
bdecbe43
AP		 609 wake_up_bit(&adap->state_bits, ADAP_INIT);
610 }
0898b954 611
06bae122 612 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
0898b954
AP		 613 return ret;
614}
615
41a0abf7
AP		 616static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
617{
618 int ret;
619 struct dvb_usb_adapter *adap = fe->dvb->priv;
620 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a
AP		 621 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
622 fe->id);
41a0abf7 623
bdecbe43
AP		 624 if (!adap->suspend_resume_active) {
625 set_bit(ADAP_SLEEP, &adap->state_bits);
74316201 626 wait_on_bit(&adap->state_bits, ADAP_STREAMING,
bdecbe43
AP		 627 TASK_UNINTERRUPTIBLE);
628 }
06bae122 629
41a0abf7
AP		 630 if (adap->fe_sleep[fe->id]) {
631 ret = adap->fe_sleep[fe->id](fe);
632 if (ret < 0)
633 goto err;
634 }
635
636 if (d->props->frontend_ctrl) {
637 ret = d->props->frontend_ctrl(fe, 0);
638 if (ret < 0)
639 goto err;
640 }
641
642 ret = dvb_usbv2_device_power_ctrl(d, 0);
643 if (ret < 0)
644 goto err;
41a0abf7 645err:
06bae122
AP		 646 if (!adap->suspend_resume_active) {
647 adap->active_fe = -1;
bdecbe43 648 clear_bit(ADAP_SLEEP, &adap->state_bits);
4e857c58 649 smp_mb__after_atomic();
bdecbe43 650 wake_up_bit(&adap->state_bits, ADAP_SLEEP);
06bae122 651 }
0898b954 652
06bae122 653 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
0898b954
AP		 654 return ret;
655}
656
691a5502 657static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
41a0abf7
AP		 658{
659 int ret, i, count_registered = 0;
660 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a 661 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 662
663 memset(adap->fe, 0, sizeof(adap->fe));
664 adap->active_fe = -1;
665
666 if (d->props->frontend_attach) {
667 ret = d->props->frontend_attach(adap);
668 if (ret < 0) {
6d7cfec4
AP		 669 dev_dbg(&d->udev->dev,
670 "%s: frontend_attach() failed=%d\n",
671 __func__, ret);
41a0abf7
AP		 672 goto err_dvb_frontend_detach;
673 }
674 } else {
d10d1b9a
AP		 675 dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n",
676 __func__);
41a0abf7
AP		 677 ret = 0;
678 goto err;
679 }
680
681 for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) {
682 adap->fe[i]->id = i;
41a0abf7
AP		 683 /* re-assign sleep and wakeup functions */
684 adap->fe_init[i] = adap->fe[i]->ops.init;
06bae122 685 adap->fe[i]->ops.init = dvb_usb_fe_init;
41a0abf7 686 adap->fe_sleep[i] = adap->fe[i]->ops.sleep;
06bae122 687 adap->fe[i]->ops.sleep = dvb_usb_fe_sleep;
41a0abf7
AP		 688
689 ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]);
690 if (ret < 0) {
6d7cfec4
AP		 691 dev_err(&d->udev->dev,
692 "%s: frontend%d registration failed\n",
693 KBUILD_MODNAME, i);
41a0abf7
AP		 694 goto err_dvb_unregister_frontend;
695 }
696
697 count_registered++;
698 }
699
700 if (d->props->tuner_attach) {
701 ret = d->props->tuner_attach(adap);
702 if (ret < 0) {
d10d1b9a
AP		 703 dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n",
704 __func__, ret);
41a0abf7
AP		 705 goto err_dvb_unregister_frontend;
706 }
707 }
708
0d3ab841
MCC		 709 ret = dvb_create_media_graph(&adap->dvb_adap);
710 if (ret < 0)
711 goto err_dvb_unregister_frontend;
6f6c77d8 712
9f806795 713 ret = dvb_usbv2_media_device_register(adap);
9832e155 714
9f806795 715 return ret;
41a0abf7
AP		 716
717err_dvb_unregister_frontend:
718 for (i = count_registered - 1; i >= 0; i--)
719 dvb_unregister_frontend(adap->fe[i]);
720
721err_dvb_frontend_detach:
722 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
2a858486 723 if (adap->fe[i]) {
41a0abf7 724 dvb_frontend_detach(adap->fe[i]);
2a858486
AP		 725 adap->fe[i] = NULL;
726 }
41a0abf7
AP		 727 }
728
729err:
d10d1b9a 730 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
41a0abf7
AP		 731 return ret;
732}
733
691a5502 734static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
41a0abf7 735{
ca42129f
AP		 736 int ret, i;
737 struct dvb_usb_device *d = adap_to_d(adap);
738
739 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 740
741 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
742 if (adap->fe[i]) {
743 dvb_unregister_frontend(adap->fe[i]);
744 dvb_frontend_detach(adap->fe[i]);
745 }
746 }
747
1066d77f
AP		 748 if (d->props->tuner_detach) {
749 ret = d->props->tuner_detach(adap);
750 if (ret < 0) {
751 dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
752 __func__, ret);
753 }
754 }
755
ca42129f
AP		 756 if (d->props->frontend_detach) {
757 ret = d->props->frontend_detach(adap);
758 if (ret < 0) {
759 dev_dbg(&d->udev->dev,
760 "%s: frontend_detach() failed=%d\n",
761 __func__, ret);
762 }
763 }
764
41a0abf7
AP		 765 return 0;
766}
767
59784343 768static int dvb_usbv2_adapter_init(struct dvb_usb_device *d)
c79b339f
AP		 769{
770 struct dvb_usb_adapter *adap;
d496eb8a 771 int ret, i, adapter_count;
c79b339f 772
5b853004 773 /* resolve adapter count */
f093c388
AP		 774 adapter_count = d->props->num_adapters;
775 if (d->props->get_adapter_count) {
776 ret = d->props->get_adapter_count(d);
5b853004
AP		 777 if (ret < 0)
778 goto err;
779
780 adapter_count = ret;
781 }
782
d496eb8a
AP		 783 for (i = 0; i < adapter_count; i++) {
784 adap = &d->adapter[i];
f093c388
AP		 785 adap->id = i;
786 adap->props = &d->props->adapter[i];
4e60d951 787
e46c5b66
AP		 788 /* speed - when running at FULL speed we need a HW PID filter */
789 if (d->udev->speed == USB_SPEED_FULL &&
f093c388 790 !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
6d7cfec4
AP		 791 dev_err(&d->udev->dev,
792 "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n",
d10d1b9a 793 KBUILD_MODNAME);
d496eb8a
AP		 794 ret = -ENODEV;
795 goto err;
e46c5b66 796 } else if ((d->udev->speed == USB_SPEED_FULL &&
f093c388
AP		 797 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
798 (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
6d7cfec4
AP		 799 dev_info(&d->udev->dev,
800 "%s: will use the device's hardware PID filter (table count: %d)\n",
801 KBUILD_MODNAME,
f093c388 802 adap->props->pid_filter_count);
e46c5b66 803 adap->pid_filtering = 1;
f093c388 804 adap->max_feed_count = adap->props->pid_filter_count;
e46c5b66 805 } else {
6d7cfec4
AP		 806 dev_info(&d->udev->dev,
807 "%s: will pass the complete MPEG2 transport stream to the software demuxer\n",
808 KBUILD_MODNAME);
e46c5b66
AP		 809 adap->pid_filtering = 0;
810 adap->max_feed_count = 255;
811 }
c79b339f 812
e46c5b66 813 if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
f093c388 814 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
6d7cfec4
AP		 815 dev_info(&d->udev->dev,
816 "%s: PID filter enabled by module option\n",
817 KBUILD_MODNAME);
e46c5b66 818 adap->pid_filtering = 1;
f093c388 819 adap->max_feed_count = adap->props->pid_filter_count;
c79b339f 820 }
c79b339f 821
59784343 822 ret = dvb_usbv2_adapter_stream_init(adap);
4e60d951 823 if (ret)
d496eb8a 824 goto err;
4e60d951 825
59784343 826 ret = dvb_usbv2_adapter_dvb_init(adap);
4e60d951 827 if (ret)
d496eb8a 828 goto err;
4e60d951 829
59784343 830 ret = dvb_usbv2_adapter_frontend_init(adap);
4e60d951 831 if (ret)
d496eb8a 832 goto err;
c79b339f
AP		 833
834 /* use exclusive FE lock if there is multiple shared FEs */
20bb9cc4 835 if (adap->fe[1])
c79b339f 836 adap->dvb_adap.mfe_shared = 1;
c79b339f
AP		 837 }
838
c79b339f 839 return 0;
5b853004 840err:
d10d1b9a 841 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
5b853004 842 return ret;
c79b339f
AP		 843}
844
59784343 845static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d)
c79b339f 846{
d496eb8a 847 int i;
d10d1b9a 848 dev_dbg(&d->udev->dev, "%s:\n", __func__);
6e3a5daa
AP		 849
850 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
b62fd172 851 if (d->adapter[i].props) {
b62fd172
AP		 852 dvb_usbv2_adapter_dvb_exit(&d->adapter[i]);
853 dvb_usbv2_adapter_stream_exit(&d->adapter[i]);
7a0af6ed 854 dvb_usbv2_adapter_frontend_exit(&d->adapter[i]);
b62fd172 855 }
c79b339f 856 }
d496eb8a 857
c79b339f
AP		 858 return 0;
859}
860
c79b339f 861/* general initialization functions */
59784343 862static int dvb_usbv2_exit(struct dvb_usb_device *d)
c79b339f 863{
d10d1b9a 864 dev_dbg(&d->udev->dev, "%s:\n", __func__);
d70521a3 865
59784343
AP		 866 dvb_usbv2_remote_exit(d);
867 dvb_usbv2_adapter_exit(d);
868 dvb_usbv2_i2c_exit(d);
c79b339f
AP		 869 kfree(d->priv);
870 kfree(d);
d496eb8a 871
c79b339f
AP		 872 return 0;
873}
874
59784343 875static int dvb_usbv2_init(struct dvb_usb_device *d)
c79b339f 876{
831511bd 877 int ret;
d10d1b9a 878 dev_dbg(&d->udev->dev, "%s:\n", __func__);
c79b339f 879
59784343 880 dvb_usbv2_device_power_ctrl(d, 1);
c79b339f 881
f093c388
AP		 882 if (d->props->read_config) {
883 ret = d->props->read_config(d);
43402bbd
AP		 884 if (ret < 0)
885 goto err;
886 }
887
59784343 888 ret = dvb_usbv2_i2c_init(d);
d496eb8a
AP		 889 if (ret < 0)
890 goto err;
4e60d951 891
d496eb8a
AP		 892 ret = dvb_usbv2_adapter_init(d);
893 if (ret < 0)
894 goto err;
c79b339f 895
f093c388
AP		 896 if (d->props->init) {
897 ret = d->props->init(d);
d496eb8a
AP		 898 if (ret < 0)
899 goto err;
900 }
dc786937 901
59784343 902 ret = dvb_usbv2_remote_init(d);
d496eb8a
AP		 903 if (ret < 0)
904 goto err;
c79b339f 905
59784343 906 dvb_usbv2_device_power_ctrl(d, 0);
c79b339f
AP		 907
908 return 0;
43402bbd 909err:
d496eb8a 910 dvb_usbv2_device_power_ctrl(d, 0);
d10d1b9a 911 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
43402bbd 912 return ret;
c79b339f
AP		 913}
914
dd0f5e0b
AP		 915int dvb_usbv2_probe(struct usb_interface *intf,
916 const struct usb_device_id *id)
4f208d4e
AP		 917{
918 int ret;
dd0f5e0b
AP		 919 struct dvb_usb_device *d;
920 struct usb_device *udev = interface_to_usbdev(intf);
921 struct dvb_usb_driver_info *driver_info =
922 (struct dvb_usb_driver_info *) id->driver_info;
923
924 dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
925 intf->cur_altsetting->desc.bInterfaceNumber);
926
927 if (!id->driver_info) {
928 dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
929 ret = -ENODEV;
930 goto err;
931 }
932
933 d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
934 if (!d) {
935 dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
936 ret = -ENOMEM;
937 goto err;
938 }
496e8278 939
ac5361a8 940 d->intf = intf;
dd0f5e0b
AP		 941 d->name = driver_info->name;
942 d->rc_map = driver_info->rc_map;
943 d->udev = udev;
944 d->props = driver_info->props;
945
946 if (intf->cur_altsetting->desc.bInterfaceNumber !=
947 d->props->bInterfaceNumber) {
948 ret = -ENODEV;
949 goto err_free_all;
950 }
951
952 mutex_init(&d->usb_mutex);
953 mutex_init(&d->i2c_mutex);
c79b339f 954
f093c388
AP		 955 if (d->props->size_of_priv) {
956 d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
4f208d4e 957 if (!d->priv) {
d10d1b9a
AP		 958 dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
959 KBUILD_MODNAME);
496e8278 960 ret = -ENOMEM;
dd0f5e0b 961 goto err_free_all;
496e8278
AP		 962 }
963 }
c79b339f 964
f093c388 965 if (d->props->identify_state) {
a0921af7
AP		 966 const char *name = NULL;
967 ret = d->props->identify_state(d, &name);
496e8278
AP		 968 if (ret == 0) {
969 ;
970 } else if (ret == COLD) {
6d7cfec4
AP		 971 dev_info(&d->udev->dev,
972 "%s: found a '%s' in cold state\n",
973 KBUILD_MODNAME, d->name);
a0921af7
AP		 974
975 if (!name)
976 name = d->props->firmware;
977
978 ret = dvb_usbv2_download_firmware(d, name);
979 if (ret == 0) {
980 /* device is warm, continue initialization */
981 ;
982 } else if (ret == RECONNECTS_USB) {
983 /*
984 * USB core will call disconnect() and then
985 * probe() as device reconnects itself from the
986 * USB bus. disconnect() will release all driver
987 * resources and probe() is called for 'new'
988 * device. As 'new' device is warm we should
989 * never go here again.
990 */
dd0f5e0b 991 goto exit;
a0921af7 992 } else {
dd0f5e0b 993 goto err_free_all;
a0921af7 994 }
496e8278 995 } else {
dd0f5e0b 996 goto err_free_all;
496e8278 997 }
c79b339f
AP		 998 }
999
d10d1b9a
AP		 1000 dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
1001 KBUILD_MODNAME, d->name);
c79b339f 1002
59784343 1003 ret = dvb_usbv2_init(d);
4f208d4e 1004 if (ret < 0)
dd0f5e0b 1005 goto err_free_all;
c79b339f 1006
6d7cfec4
AP		 1007 dev_info(&d->udev->dev,
1008 "%s: '%s' successfully initialized and connected\n",
1009 KBUILD_MODNAME, d->name);
dd0f5e0b 1010exit:
4f208d4e 1011 usb_set_intfdata(intf, d);
21f5a32e
AP		 1012
1013 return 0;
dd0f5e0b
AP		 1014err_free_all:
1015 dvb_usbv2_exit(d);
21f5a32e 1016err:
d10d1b9a 1017 dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
21f5a32e
AP		 1018 return ret;
1019}
6b8c8c40 1020EXPORT_SYMBOL(dvb_usbv2_probe);
21f5a32e 1021
6b8c8c40 1022void dvb_usbv2_disconnect(struct usb_interface *intf)
c79b339f
AP		 1023{
1024 struct dvb_usb_device *d = usb_get_intfdata(intf);
831511bd 1025 const char *name = d->name;
d10d1b9a 1026 struct device dev = d->udev->dev;
6f6c77d8 1027
dd0f5e0b
AP		 1028 dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
1029 intf->cur_altsetting->desc.bInterfaceNumber);
c79b339f 1030
831511bd
AP		 1031 if (d->props->exit)
1032 d->props->exit(d);
5b6a63cc 1033
823eebac 1034 dvb_usbv2_exit(d);
4f208d4e 1035
d10d1b9a 1036 dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n",
4f208d4e 1037 KBUILD_MODNAME, name);
c79b339f 1038}
6b8c8c40 1039EXPORT_SYMBOL(dvb_usbv2_disconnect);
c79b339f 1040
ef81e9eb
AP		 1041int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
1042{
1043 struct dvb_usb_device *d = usb_get_intfdata(intf);
15d08836 1044 int ret = 0, i, active_fe;
0898b954 1045 struct dvb_frontend *fe;
d10d1b9a 1046 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ef81e9eb
AP		 1047
1048 /* stop remote controller poll */
ac1c86c8 1049 if (d->rc_polling_active)
ef81e9eb
AP		 1050 cancel_delayed_work_sync(&d->rc_query_work);
1051
5cd98320 1052 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
0898b954
AP		 1053 active_fe = d->adapter[i].active_fe;
1054 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1055 fe = d->adapter[i].fe[active_fe];
06bae122 1056 d->adapter[i].suspend_resume_active = true;
0898b954
AP		 1057
1058 if (d->props->streaming_ctrl)
1059 d->props->streaming_ctrl(fe, 0);
1060
1061 /* stop usb streaming */
ef81e9eb 1062 usb_urb_killv2(&d->adapter[i].stream);
0898b954 1063
15d08836 1064 ret = dvb_frontend_suspend(fe);
0898b954 1065 }
ef81e9eb
AP		 1066 }
1067
15d08836 1068 return ret;
ef81e9eb
AP		 1069}
1070EXPORT_SYMBOL(dvb_usbv2_suspend);
1071
15d08836 1072static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
ef81e9eb 1073{
15d08836 1074 int ret = 0, i, active_fe;
0898b954 1075 struct dvb_frontend *fe;
d10d1b9a 1076 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ef81e9eb 1077
5cd98320 1078 for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) {
0898b954
AP		 1079 active_fe = d->adapter[i].active_fe;
1080 if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
1081 fe = d->adapter[i].fe[active_fe];
1082
15d08836 1083 ret = dvb_frontend_resume(fe);
0898b954
AP		 1084
1085 /* resume usb streaming */
ef81e9eb 1086 usb_urb_submitv2(&d->adapter[i].stream, NULL);
0898b954
AP		 1087
1088 if (d->props->streaming_ctrl)
1089 d->props->streaming_ctrl(fe, 1);
06bae122
AP		 1090
1091 d->adapter[i].suspend_resume_active = false;
0898b954 1092 }
ef81e9eb
AP		 1093 }
1094
1095 /* start remote controller poll */
ac1c86c8 1096 if (d->rc_polling_active)
ef81e9eb
AP		 1097 schedule_delayed_work(&d->rc_query_work,
1098 msecs_to_jiffies(d->rc.interval));
1099
15d08836
AP		 1100 return ret;
1101}
1102
1103int dvb_usbv2_resume(struct usb_interface *intf)
1104{
1105 struct dvb_usb_device *d = usb_get_intfdata(intf);
1106 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1107
1108 return dvb_usbv2_resume_common(d);
ef81e9eb
AP		 1109}
1110EXPORT_SYMBOL(dvb_usbv2_resume);
1111
15d08836
AP		 1112int dvb_usbv2_reset_resume(struct usb_interface *intf)
1113{
1114 struct dvb_usb_device *d = usb_get_intfdata(intf);
1115 int ret;
1116 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1117
1118 dvb_usbv2_device_power_ctrl(d, 1);
1119
1120 if (d->props->init)
1121 d->props->init(d);
1122
1123 ret = dvb_usbv2_resume_common(d);
1124
1125 dvb_usbv2_device_power_ctrl(d, 0);
1126
1127 return ret;
1128}
1129EXPORT_SYMBOL(dvb_usbv2_reset_resume);
1130
12042b05 1131MODULE_VERSION("2.0");
c79b339f 1132MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
12042b05
AP		 1133MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1134MODULE_DESCRIPTION("DVB USB common");
c79b339f 1135MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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