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Merge remote-tracking branch 'mfd/for-mfd-next'
[deliverable/linux.git] / drivers / media / usb / dvb-usb-v2 / dvb_usb_core.c
CommitLineData
c79b339f 1/*
12042b05 2 * DVB USB framework
c79b339f 3 *
99e44da7 4 * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de>
12042b05 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 22#include "dvb_usb_common.h"
41b44e35 23#include <media/media-device.h>
c79b339f 24
68126673 25static int dvb_usbv2_disable_rc_polling;
59784343 26module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644);
4e60d951 27MODULE_PARM_DESC(disable_rc_polling,
831511bd 28 "disable remote control polling (default: 0)");
c79b339f 29static int dvb_usb_force_pid_filter_usage;
4e60d951
AP		 30module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage,
31 int, 0444);
6d7cfec4
AP		 32MODULE_PARM_DESC(force_pid_filter_usage,
33 "force all DVB USB devices to use a PID filter, if any (default: 0)");
c79b339f 34
6d7cfec4
AP		 35static int dvb_usbv2_download_firmware(struct dvb_usb_device *d,
36 const char *name)
a0d72d24
AP		 37{
38 int ret;
a0921af7 39 const struct firmware *fw;
d10d1b9a 40 dev_dbg(&d->udev->dev, "%s:\n", __func__);
a0d72d24 41
f093c388 42 if (!d->props->download_firmware) {
a0d72d24
AP		 43 ret = -EINVAL;
44 goto err;
45 }
46
47 ret = request_firmware(&fw, name, &d->udev->dev);
48 if (ret < 0) {
6d7cfec4
AP		 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);
a0d72d24
AP		 52 goto err;
53 }
54
d10d1b9a
AP		 55 dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n",
56 KBUILD_MODNAME, name);
a0d72d24 57
f093c388 58 ret = d->props->download_firmware(d, fw);
a0d72d24 59 release_firmware(fw);
a0d72d24
AP		 60 if (ret < 0)
61 goto err;
62
c65bcb95 63 return ret;
a0d72d24 64err:
d10d1b9a 65 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
a0d72d24
AP		 66 return ret;
67}
68
d496eb8a 69static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
a177c72b 70{
0fba999f 71 int ret;
d10d1b9a 72 dev_dbg(&d->udev->dev, "%s:\n", __func__);
d70521a3
AP		 73
74 if (!d->props->i2c_algo)
75 return 0;
a177c72b
AP		 76
77 strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
f093c388 78 d->i2c_adap.algo = d->props->i2c_algo;
a177c72b 79 d->i2c_adap.dev.parent = &d->udev->dev;
a177c72b
AP		 80 i2c_set_adapdata(&d->i2c_adap, d);
81
82 ret = i2c_add_adapter(&d->i2c_adap);
0fba999f 83 if (ret < 0) {
d70521a3 84 d->i2c_adap.algo = NULL;
0fba999f
AP		 85 goto err;
86 }
a177c72b 87
0fba999f
AP		 88 return 0;
89err:
d10d1b9a 90 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
a177c72b
AP		 91 return ret;
92}
93
d496eb8a 94static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
a177c72b 95{
d10d1b9a 96 dev_dbg(&d->udev->dev, "%s:\n", __func__);
0fba999f 97
d70521a3
AP		 98 if (d->i2c_adap.algo)
99 i2c_del_adapter(&d->i2c_adap);
0fba999f 100
a177c72b
AP		 101 return 0;
102}
103
37b44a0f 104#if IS_ENABLED(CONFIG_RC_CORE)
877e0aa7
AP		 105static void dvb_usb_read_remote_control(struct work_struct *work)
106{
107 struct dvb_usb_device *d = container_of(work,
108 struct dvb_usb_device, rc_query_work.work);
109 int ret;
110
831511bd
AP		 111 /*
112 * When the parameter has been set to 1 via sysfs while the
113 * driver was running, or when bulk mode is enabled after IR init.
877e0aa7 114 */
ac1c86c8
AP		 115 if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) {
116 d->rc_polling_active = false;
877e0aa7 117 return;
ac1c86c8 118 }
877e0aa7
AP		 119
120 ret = d->rc.query(d);
831511bd 121 if (ret < 0) {
d10d1b9a
AP		 122 dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n",
123 KBUILD_MODNAME, ret);
ac1c86c8 124 d->rc_polling_active = false;
831511bd
AP		 125 return; /* stop polling */
126 }
877e0aa7
AP		 127
128 schedule_delayed_work(&d->rc_query_work,
831511bd 129 msecs_to_jiffies(d->rc.interval));
877e0aa7
AP		 130}
131
132static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
133{
134 int ret;
135 struct rc_dev *dev;
d10d1b9a 136 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ad261839 137
877e0aa7
AP		 138 if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
139 return 0;
140
de73beee 141 d->rc.map_name = d->rc_map;
877e0aa7
AP		 142 ret = d->props->get_rc_config(d, &d->rc);
143 if (ret < 0)
144 goto err;
145
de73beee
AP		 146 /* disable rc when there is no keymap defined */
147 if (!d->rc.map_name)
148 return 0;
149
877e0aa7
AP		 150 dev = rc_allocate_device();
151 if (!dev) {
152 ret = -ENOMEM;
153 goto err;
154 }
155
156 dev->dev.parent = &d->udev->dev;
831511bd 157 dev->input_name = d->name;
877e0aa7
AP		 158 usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
159 strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
160 dev->input_phys = d->rc_phys;
161 usb_to_input_id(d->udev, &dev->input_id);
162 /* TODO: likely RC-core should took const char * */
163 dev->driver_name = (char *) d->props->driver_name;
de73beee 164 dev->map_name = d->rc.map_name;
877e0aa7 165 dev->driver_type = d->rc.driver_type;
c5540fbb 166 dev->allowed_protocols = d->rc.allowed_protos;
877e0aa7
AP		 167 dev->change_protocol = d->rc.change_protocol;
168 dev->priv = d;
877e0aa7
AP		 169
170 ret = rc_register_device(dev);
171 if (ret < 0) {
172 rc_free_device(dev);
173 goto err;
174 }
175
877e0aa7
AP		 176 d->rc_dev = dev;
177
178 /* start polling if needed */
179 if (d->rc.query && !d->rc.bulk_mode) {
180 /* initialize a work queue for handling polling */
181 INIT_DELAYED_WORK(&d->rc_query_work,
182 dvb_usb_read_remote_control);
6d7cfec4
AP		 183 dev_info(&d->udev->dev,
184 "%s: schedule remote query interval to %d msecs\n",
185 KBUILD_MODNAME, d->rc.interval);
877e0aa7
AP		 186 schedule_delayed_work(&d->rc_query_work,
187 msecs_to_jiffies(d->rc.interval));
ac1c86c8 188 d->rc_polling_active = true;
877e0aa7
AP		 189 }
190
877e0aa7
AP		 191 return 0;
192err:
d10d1b9a 193 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
877e0aa7
AP		 194 return ret;
195}
196
197static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
198{
d10d1b9a 199 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ad261839
AP		 200
201 if (d->rc_dev) {
877e0aa7
AP		 202 cancel_delayed_work_sync(&d->rc_query_work);
203 rc_unregister_device(d->rc_dev);
ad261839 204 d->rc_dev = NULL;
877e0aa7
AP		 205 }
206
877e0aa7
AP		 207 return 0;
208}
0c87c66a 209#else
ef382402
AP		 210 #define dvb_usbv2_remote_init(args...) 0
211 #define dvb_usbv2_remote_exit(args...)
0c87c66a 212#endif
877e0aa7 213
41a0abf7
AP		 214static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
215 size_t len)
216{
217 struct dvb_usb_adapter *adap = stream->user_priv;
218 dvb_dmx_swfilter(&adap->demux, buf, len);
219}
220
221static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf,
222 size_t len)
223{
224 struct dvb_usb_adapter *adap = stream->user_priv;
225 dvb_dmx_swfilter_204(&adap->demux, buf, len);
226}
227
228static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
229 size_t len)
230{
231 struct dvb_usb_adapter *adap = stream->user_priv;
232 dvb_dmx_swfilter_raw(&adap->demux, buf, len);
233}
234
691a5502 235static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
41a0abf7 236{
d10d1b9a
AP		 237 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
238 adap->id);
41a0abf7
AP		 239
240 adap->stream.udev = adap_to_d(adap)->udev;
241 adap->stream.user_priv = adap;
242 adap->stream.complete = dvb_usb_data_complete;
243
244 return usb_urb_initv2(&adap->stream, &adap->props->stream);
245}
246
691a5502 247static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
41a0abf7 248{
d10d1b9a
AP		 249 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
250 adap->id);
41a0abf7 251
831511bd 252 return usb_urb_exitv2(&adap->stream);
41a0abf7
AP		 253}
254
96d7ca5e 255static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
41a0abf7
AP		 256{
257 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
258 struct dvb_usb_device *d = adap_to_d(adap);
96d7ca5e
AP		 259 int ret = 0;
260 struct usb_data_stream_properties stream_props;
261 dev_dbg(&d->udev->dev,
262 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
d10d1b9a 263 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
41a0abf7 264 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
96d7ca5e 265 dvbdmxfeed->pid, dvbdmxfeed->index);
41a0abf7 266
96d7ca5e 267 /* wait init is done */
74316201 268 wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE);
bdecbe43 269
41a0abf7
AP		 270 if (adap->active_fe == -1)
271 return -EINVAL;
272
96d7ca5e
AP		 273 /* skip feed setup if we are already feeding */
274 if (adap->feed_count++ > 0)
275 goto skip_feed_start;
276
277 /* set 'streaming' status bit */
278 set_bit(ADAP_STREAMING, &adap->state_bits);
279
280 /* resolve input and output streaming parameters */
281 if (d->props->get_stream_config) {
282 memcpy(&stream_props, &adap->props->stream,
283 sizeof(struct usb_data_stream_properties));
284 ret = d->props->get_stream_config(adap->fe[adap->active_fe],
285 &adap->ts_type, &stream_props);
286 if (ret)
287 dev_err(&d->udev->dev,
288 "%s: get_stream_config() failed=%d\n",
289 KBUILD_MODNAME, ret);
290 } else {
291 stream_props = adap->props->stream;
292 }
293
294 switch (adap->ts_type) {
295 case DVB_USB_FE_TS_TYPE_204:
296 adap->stream.complete = dvb_usb_data_complete_204;
297 break;
298 case DVB_USB_FE_TS_TYPE_RAW:
299 adap->stream.complete = dvb_usb_data_complete_raw;
300 break;
301 case DVB_USB_FE_TS_TYPE_188:
302 default:
303 adap->stream.complete = dvb_usb_data_complete;
304 break;
305 }
306
307 /* submit USB streaming packets */
308 usb_urb_submitv2(&adap->stream, &stream_props);
309
310 /* enable HW PID filter */
311 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
312 ret = adap->props->pid_filter_ctrl(adap, 1);
313 if (ret)
314 dev_err(&d->udev->dev,
315 "%s: pid_filter_ctrl() failed=%d\n",
316 KBUILD_MODNAME, ret);
317 }
318
319 /* ask device to start streaming */
320 if (d->props->streaming_ctrl) {
321 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1);
322 if (ret)
323 dev_err(&d->udev->dev,
324 "%s: streaming_ctrl() failed=%d\n",
325 KBUILD_MODNAME, ret);
41a0abf7 326 }
96d7ca5e 327skip_feed_start:
41a0abf7 328
96d7ca5e
AP		 329 /* add PID to device HW PID filter */
330 if (adap->pid_filtering && adap->props->pid_filter) {
41a0abf7 331 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
96d7ca5e
AP		 332 dvbdmxfeed->pid, 1);
333 if (ret)
2d9e7ea6
AP		 334 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
335 KBUILD_MODNAME, ret);
336 }
41a0abf7 337
96d7ca5e
AP		 338 if (ret)
339 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
340 return ret;
341}
41a0abf7 342
96d7ca5e
AP		 343static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
344{
345 struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
346 struct dvb_usb_device *d = adap_to_d(adap);
347 int ret = 0;
348 dev_dbg(&d->udev->dev,
349 "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
350 __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
351 adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
352 dvbdmxfeed->pid, dvbdmxfeed->index);
353
354 if (adap->active_fe == -1)
355 return -EINVAL;
356
357 /* remove PID from device HW PID filter */
358 if (adap->pid_filtering && adap->props->pid_filter) {
359 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
360 dvbdmxfeed->pid, 0);
361 if (ret)
362 dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
363 KBUILD_MODNAME, ret);
41a0abf7
AP		 364 }
365
96d7ca5e
AP		 366 /* we cannot stop streaming until last PID is removed */
367 if (--adap->feed_count > 0)
368 goto skip_feed_stop;
369
370 /* ask device to stop streaming */
371 if (d->props->streaming_ctrl) {
372 ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0);
373 if (ret)
374 dev_err(&d->udev->dev,
375 "%s: streaming_ctrl() failed=%d\n",
376 KBUILD_MODNAME, ret);
377 }
378
379 /* disable HW PID filter */
380 if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
381 ret = adap->props->pid_filter_ctrl(adap, 0);
382 if (ret)
383 dev_err(&d->udev->dev,
384 "%s: pid_filter_ctrl() failed=%d\n",
385 KBUILD_MODNAME, ret);
386 }
387
388 /* kill USB streaming packets */
389 usb_urb_killv2(&adap->stream);
390
391 /* clear 'streaming' status bit */
bdecbe43 392 clear_bit(ADAP_STREAMING, &adap->state_bits);
4e857c58 393 smp_mb__after_atomic();
bdecbe43 394 wake_up_bit(&adap->state_bits, ADAP_STREAMING);
96d7ca5e 395skip_feed_stop:
41a0abf7 396
96d7ca5e
AP		 397 if (ret)
398 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
399 return ret;
41a0abf7
AP		 400}
401
9f806795 402static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
6f6c77d8
RLLC		 403{
404#ifdef CONFIG_MEDIA_CONTROLLER_DVB
6f6c77d8 405 struct media_device *mdev;
823b460e 406 struct dvb_usb_device *d = adap_to_d(adap);
6f6c77d8 407 struct usb_device *udev = d->udev;
6f6c77d8 408
6cf5dad1 409 mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
6f6c77d8 410 if (!mdev)
9f806795 411 return -ENOMEM;
6f6c77d8 412
6cf5dad1
MCC		 413 media_device_usb_init(mdev, udev, d->name);
414
89a2c1d6 415 dvb_register_media_controller(&adap->dvb_adap, mdev);
6f6c77d8
RLLC		 416
417 dev_info(&d->udev->dev, "media controller created\n");
9832e155 418#endif
9f806795 419 return 0;
9832e155 420}
6f6c77d8 421
9f806795 422static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
9832e155
JMC		 423{
424#ifdef CONFIG_MEDIA_CONTROLLER_DVB
9f806795
MCC		 425 return media_device_register(adap->dvb_adap.mdev);
426#else
427 return 0;
6f6c77d8
RLLC		 428#endif
429}
430
823b460e 431static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
6f6c77d8
RLLC		 432{
433#ifdef CONFIG_MEDIA_CONTROLLER_DVB
823b460e
MCC		 434
435 if (!adap->dvb_adap.mdev)
6f6c77d8
RLLC		 436 return;
437
823b460e 438 media_device_unregister(adap->dvb_adap.mdev);
9832e155 439 media_device_cleanup(adap->dvb_adap.mdev);
823b460e
MCC		 440 kfree(adap->dvb_adap.mdev);
441 adap->dvb_adap.mdev = NULL;
6f6c77d8
RLLC		 442
443#endif
444}
445
691a5502 446static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
41a0abf7
AP		 447{
448 int ret;
449 struct dvb_usb_device *d = adap_to_d(adap);
823b460e 450
d10d1b9a 451 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 452
453 ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner,
454 &d->udev->dev, d->props->adapter_nr);
455 if (ret < 0) {
d10d1b9a
AP		 456 dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n",
457 __func__, ret);
831511bd 458 goto err_dvb_register_adapter;
41a0abf7
AP		 459 }
460
461 adap->dvb_adap.priv = adap;
462
9f806795
MCC		 463 ret = dvb_usbv2_media_device_init(adap);
464 if (ret < 0) {
465 dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n",
466 __func__, ret);
467 goto err_dvb_register_mc;
468 }
6f6c77d8 469
41a0abf7
AP		 470 if (d->props->read_mac_address) {
471 ret = d->props->read_mac_address(adap,
472 adap->dvb_adap.proposed_mac);
473 if (ret < 0)
831511bd 474 goto err_dvb_dmx_init;
41a0abf7 475
d10d1b9a
AP		 476 dev_info(&d->udev->dev, "%s: MAC address: %pM\n",
477 KBUILD_MODNAME, adap->dvb_adap.proposed_mac);
41a0abf7
AP		 478 }
479
480 adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
481 adap->demux.priv = adap;
482 adap->demux.filternum = 0;
831511bd 483 adap->demux.filternum = adap->max_feed_count;
41a0abf7
AP		 484 adap->demux.feednum = adap->demux.filternum;
485 adap->demux.start_feed = dvb_usb_start_feed;
486 adap->demux.stop_feed = dvb_usb_stop_feed;
487 adap->demux.write_to_decoder = NULL;
488 ret = dvb_dmx_init(&adap->demux);
489 if (ret < 0) {
d10d1b9a
AP		 490 dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n",
491 KBUILD_MODNAME, ret);
831511bd 492 goto err_dvb_dmx_init;
41a0abf7
AP		 493 }
494
495 adap->dmxdev.filternum = adap->demux.filternum;
496 adap->dmxdev.demux = &adap->demux.dmx;
497 adap->dmxdev.capabilities = 0;
498 ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
499 if (ret < 0) {
d10d1b9a
AP		 500 dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n",
501 KBUILD_MODNAME, ret);
831511bd 502 goto err_dvb_dmxdev_init;
41a0abf7
AP		 503 }
504
505 ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
506 if (ret < 0) {
d10d1b9a
AP		 507 dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n",
508 KBUILD_MODNAME, ret);
831511bd 509 goto err_dvb_net_init;
41a0abf7
AP		 510 }
511
41a0abf7 512 return 0;
831511bd 513err_dvb_net_init:
41a0abf7 514 dvb_dmxdev_release(&adap->dmxdev);
831511bd 515err_dvb_dmxdev_init:
41a0abf7 516 dvb_dmx_release(&adap->demux);
831511bd 517err_dvb_dmx_init:
823b460e 518 dvb_usbv2_media_device_unregister(adap);
9f806795 519err_dvb_register_mc:
41a0abf7 520 dvb_unregister_adapter(&adap->dvb_adap);
831511bd 521err_dvb_register_adapter:
41a0abf7
AP		 522 adap->dvb_adap.priv = NULL;
523 return ret;
524}
525
691a5502 526static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
41a0abf7 527{
d10d1b9a
AP		 528 dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
529 adap->id);
41a0abf7
AP		 530
531 if (adap->dvb_adap.priv) {
532 dvb_net_release(&adap->dvb_net);
533 adap->demux.dmx.close(&adap->demux.dmx);
534 dvb_dmxdev_release(&adap->dmxdev);
535 dvb_dmx_release(&adap->demux);
536 dvb_unregister_adapter(&adap->dvb_adap);
537 }
538
539 return 0;
540}
541
691a5502 542static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
41a0abf7
AP		 543{
544 int ret;
545
546 if (onoff)
547 d->powered++;
548 else
549 d->powered--;
550
551 if (d->powered == 0 || (onoff && d->powered == 1)) {
552 /* when switching from 1 to 0 or from 0 to 1 */
d10d1b9a 553 dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff);
41a0abf7
AP		 554 if (d->props->power_ctrl) {
555 ret = d->props->power_ctrl(d, onoff);
18cfe03d
AP		 556 if (ret < 0)
557 goto err;
41a0abf7
AP		 558 }
559 }
560
561 return 0;
562err:
d10d1b9a 563 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
41a0abf7
AP		 564 return ret;
565}
566
831511bd 567static int dvb_usb_fe_init(struct dvb_frontend *fe)
41a0abf7
AP		 568{
569 int ret;
570 struct dvb_usb_adapter *adap = fe->dvb->priv;
571 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a
AP		 572 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
573 fe->id);
41a0abf7 574
06bae122
AP		 575 if (!adap->suspend_resume_active) {
576 adap->active_fe = fe->id;
bdecbe43 577 set_bit(ADAP_INIT, &adap->state_bits);
06bae122
AP		 578 }
579
41a0abf7
AP		 580 ret = dvb_usbv2_device_power_ctrl(d, 1);
581 if (ret < 0)
582 goto err;
583
584 if (d->props->frontend_ctrl) {
585 ret = d->props->frontend_ctrl(fe, 1);
586 if (ret < 0)
587 goto err;
588 }
589
590 if (adap->fe_init[fe->id]) {
591 ret = adap->fe_init[fe->id](fe);
592 if (ret < 0)
593 goto err;
594 }
41a0abf7 595err:
bdecbe43
AP		 596 if (!adap->suspend_resume_active) {
597 clear_bit(ADAP_INIT, &adap->state_bits);
4e857c58 598 smp_mb__after_atomic();
bdecbe43
AP		 599 wake_up_bit(&adap->state_bits, ADAP_INIT);
600 }
0898b954 601
06bae122 602 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
0898b954
AP		 603 return ret;
604}
605
41a0abf7
AP		 606static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
607{
608 int ret;
609 struct dvb_usb_adapter *adap = fe->dvb->priv;
610 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a
AP		 611 dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
612 fe->id);
41a0abf7 613
bdecbe43
AP		 614 if (!adap->suspend_resume_active) {
615 set_bit(ADAP_SLEEP, &adap->state_bits);
74316201 616 wait_on_bit(&adap->state_bits, ADAP_STREAMING,
bdecbe43
AP		 617 TASK_UNINTERRUPTIBLE);
618 }
06bae122 619
41a0abf7
AP		 620 if (adap->fe_sleep[fe->id]) {
621 ret = adap->fe_sleep[fe->id](fe);
622 if (ret < 0)
623 goto err;
624 }
625
626 if (d->props->frontend_ctrl) {
627 ret = d->props->frontend_ctrl(fe, 0);
628 if (ret < 0)
629 goto err;
630 }
631
632 ret = dvb_usbv2_device_power_ctrl(d, 0);
633 if (ret < 0)
634 goto err;
41a0abf7 635err:
06bae122
AP		 636 if (!adap->suspend_resume_active) {
637 adap->active_fe = -1;
bdecbe43 638 clear_bit(ADAP_SLEEP, &adap->state_bits);
4e857c58 639 smp_mb__after_atomic();
bdecbe43 640 wake_up_bit(&adap->state_bits, ADAP_SLEEP);
06bae122 641 }
0898b954 642
06bae122 643 dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
0898b954
AP		 644 return ret;
645}
646
691a5502 647static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
41a0abf7
AP		 648{
649 int ret, i, count_registered = 0;
650 struct dvb_usb_device *d = adap_to_d(adap);
d10d1b9a 651 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 652
653 memset(adap->fe, 0, sizeof(adap->fe));
654 adap->active_fe = -1;
655
656 if (d->props->frontend_attach) {
657 ret = d->props->frontend_attach(adap);
658 if (ret < 0) {
6d7cfec4
AP		 659 dev_dbg(&d->udev->dev,
660 "%s: frontend_attach() failed=%d\n",
661 __func__, ret);
41a0abf7
AP		 662 goto err_dvb_frontend_detach;
663 }
664 } else {
d10d1b9a
AP		 665 dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n",
666 __func__);
41a0abf7
AP		 667 ret = 0;
668 goto err;
669 }
670
671 for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) {
672 adap->fe[i]->id = i;
41a0abf7
AP		 673 /* re-assign sleep and wakeup functions */
674 adap->fe_init[i] = adap->fe[i]->ops.init;
06bae122 675 adap->fe[i]->ops.init = dvb_usb_fe_init;
41a0abf7 676 adap->fe_sleep[i] = adap->fe[i]->ops.sleep;
06bae122 677 adap->fe[i]->ops.sleep = dvb_usb_fe_sleep;
41a0abf7
AP		 678
679 ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]);
680 if (ret < 0) {
6d7cfec4
AP		 681 dev_err(&d->udev->dev,
682 "%s: frontend%d registration failed\n",
683 KBUILD_MODNAME, i);
41a0abf7
AP		 684 goto err_dvb_unregister_frontend;
685 }
686
687 count_registered++;
688 }
689
690 if (d->props->tuner_attach) {
691 ret = d->props->tuner_attach(adap);
692 if (ret < 0) {
d10d1b9a
AP		 693 dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n",
694 __func__, ret);
41a0abf7
AP		 695 goto err_dvb_unregister_frontend;
696 }
697 }
698
0230d60e 699 ret = dvb_create_media_graph(&adap->dvb_adap, true);
0d3ab841
MCC		 700 if (ret < 0)
701 goto err_dvb_unregister_frontend;
6f6c77d8 702
9f806795 703 ret = dvb_usbv2_media_device_register(adap);
9832e155 704
9f806795 705 return ret;
41a0abf7
AP		 706
707err_dvb_unregister_frontend:
708 for (i = count_registered - 1; i >= 0; i--)
709 dvb_unregister_frontend(adap->fe[i]);
710
711err_dvb_frontend_detach:
712 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
2a858486 713 if (adap->fe[i]) {
41a0abf7 714 dvb_frontend_detach(adap->fe[i]);
2a858486
AP		 715 adap->fe[i] = NULL;
716 }
41a0abf7
AP		 717 }
718
719err:
d10d1b9a 720 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
41a0abf7
AP		 721 return ret;
722}
723
691a5502 724static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
41a0abf7 725{
ca42129f
AP		 726 int ret, i;
727 struct dvb_usb_device *d = adap_to_d(adap);
728
729 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
41a0abf7
AP		 730
731 for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
732 if (adap->fe[i]) {
733 dvb_unregister_frontend(adap->fe[i]);
734 dvb_frontend_detach(adap->fe[i]);
735 }
736 }
737
1066d77f
AP		 738 if (d->props->tuner_detach) {
739 ret = d->props->tuner_detach(adap);
740 if (ret < 0) {
741 dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
742 __func__, ret);
743 }
744 }
745
ca42129f
AP		 746 if (d->props->frontend_detach) {
747 ret = d->props->frontend_detach(adap);
748 if (ret < 0) {
749 dev_dbg(&d->udev->dev,
750 "%s: frontend_detach() failed=%d\n",
751 __func__, ret);
752 }
753 }
754
41a0abf7
AP		 755 return 0;
756}
757
59784343 758static int dvb_usbv2_adapter_init(struct dvb_usb_device *d)
c79b339f
AP		 759{
760 struct dvb_usb_adapter *adap;
d496eb8a 761 int ret, i, adapter_count;
c79b339f 762
5b853004 763 /* resolve adapter count */
f093c388
AP		 764 adapter_count = d->props->num_adapters;
765 if (d->props->get_adapter_count) {
766 ret = d->props->get_adapter_count(d);
5b853004
AP		 767 if (ret < 0)
768 goto err;
769
770 adapter_count = ret;
771 }
772
d496eb8a
AP		 773 for (i = 0; i < adapter_count; i++) {
774 adap = &d->adapter[i];
f093c388
AP		 775 adap->id = i;
776 adap->props = &d->props->adapter[i];
4e60d951 777
e46c5b66
AP		 778 /* speed - when running at FULL speed we need a HW PID filter */
779 if (d->udev->speed == USB_SPEED_FULL &&
f093c388 780 !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
6d7cfec4
AP		 781 dev_err(&d->udev->dev,
782 "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n",
d10d1b9a 783 KBUILD_MODNAME);
d496eb8a
AP		 784 ret = -ENODEV;
785 goto err;
e46c5b66 786 } else if ((d->udev->speed == USB_SPEED_FULL &&
f093c388
AP		 787 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
788 (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
6d7cfec4
AP		 789 dev_info(&d->udev->dev,
790 "%s: will use the device's hardware PID filter (table count: %d)\n",
791 KBUILD_MODNAME,
f093c388 792 adap->props->pid_filter_count);
e46c5b66 793 adap->pid_filtering = 1;
f093c388 794 adap->max_feed_count = adap->props->pid_filter_count;
e46c5b66 795 } else {
6d7cfec4
AP		 796 dev_info(&d->udev->dev,
797 "%s: will pass the complete MPEG2 transport stream to the software demuxer\n",
798 KBUILD_MODNAME);
e46c5b66
AP		 799 adap->pid_filtering = 0;
800 adap->max_feed_count = 255;
801 }
c79b339f 802
e46c5b66 803 if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
f093c388 804 adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
6d7cfec4
AP		 805 dev_info(&d->udev->dev,
806 "%s: PID filter enabled by module option\n",
807 KBUILD_MODNAME);
e46c5b66 808 adap->pid_filtering = 1;
f093c388 809 adap->max_feed_count = adap->props->pid_filter_count;
c79b339f 810 }
c79b339f 811
59784343 812 ret = dvb_usbv2_adapter_stream_init(adap);
4e60d951 813 if (ret)
d496eb8a 814 goto err;
4e60d951 815
59784343 816 ret = dvb_usbv2_adapter_dvb_init(adap);
4e60d951 817 if (ret)
d496eb8a 818 goto err;
4e60d951 819
59784343 820 ret = dvb_usbv2_adapter_frontend_init(adap);
4e60d951 821 if (ret)
d496eb8a 822 goto err;
c79b339f
AP		 823
824 /* use exclusive FE lock if there is multiple shared FEs */
20bb9cc4 825 if (adap->fe[1])
c79b339f 826 adap->dvb_adap.mfe_shared = 1;
c79b339f
AP		 827 }
828
c79b339f 829 return 0;
5b853004 830err:
d10d1b9a 831 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
5b853004 832 return ret;
c79b339f
AP		 833}
834
59784343 835static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d)
c79b339f 836{
d496eb8a 837 int i;
d10d1b9a 838 dev_dbg(&d->udev->dev, "%s:\n", __func__);
6e3a5daa
AP		 839
840 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
b62fd172 841 if (d->adapter[i].props) {
b62fd172
AP		 842 dvb_usbv2_adapter_dvb_exit(&d->adapter[i]);
843 dvb_usbv2_adapter_stream_exit(&d->adapter[i]);
7a0af6ed 844 dvb_usbv2_adapter_frontend_exit(&d->adapter[i]);
33c68533 845 dvb_usbv2_media_device_unregister(&d->adapter[i]);
b62fd172 846 }
c79b339f 847 }
d496eb8a 848
c79b339f
AP		 849 return 0;
850}
851
c79b339f 852/* general initialization functions */
59784343 853static int dvb_usbv2_exit(struct dvb_usb_device *d)
c79b339f 854{
d10d1b9a 855 dev_dbg(&d->udev->dev, "%s:\n", __func__);
d70521a3 856
59784343
AP		 857 dvb_usbv2_remote_exit(d);
858 dvb_usbv2_adapter_exit(d);
859 dvb_usbv2_i2c_exit(d);
c79b339f
AP		 860 kfree(d->priv);
861 kfree(d);
d496eb8a 862
c79b339f
AP		 863 return 0;
864}
865
59784343 866static int dvb_usbv2_init(struct dvb_usb_device *d)
c79b339f 867{
831511bd 868 int ret;
d10d1b9a 869 dev_dbg(&d->udev->dev, "%s:\n", __func__);
c79b339f 870
59784343 871 dvb_usbv2_device_power_ctrl(d, 1);
c79b339f 872
f093c388
AP		 873 if (d->props->read_config) {
874 ret = d->props->read_config(d);
43402bbd
AP		 875 if (ret < 0)
876 goto err;
877 }
878
59784343 879 ret = dvb_usbv2_i2c_init(d);
d496eb8a
AP		 880 if (ret < 0)
881 goto err;
4e60d951 882
d496eb8a
AP		 883 ret = dvb_usbv2_adapter_init(d);
884 if (ret < 0)
885 goto err;
c79b339f 886
f093c388
AP		 887 if (d->props->init) {
888 ret = d->props->init(d);
d496eb8a
AP		 889 if (ret < 0)
890 goto err;
891 }
dc786937 892
59784343 893 ret = dvb_usbv2_remote_init(d);
d496eb8a
AP		 894 if (ret < 0)
895 goto err;
c79b339f 896
59784343 897 dvb_usbv2_device_power_ctrl(d, 0);
c79b339f
AP		 898
899 return 0;
43402bbd 900err:
d496eb8a 901 dvb_usbv2_device_power_ctrl(d, 0);
d10d1b9a 902 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
43402bbd 903 return ret;
c79b339f
AP		 904}
905
dd0f5e0b
AP		 906int dvb_usbv2_probe(struct usb_interface *intf,
907 const struct usb_device_id *id)
4f208d4e
AP		 908{
909 int ret;
dd0f5e0b
AP		 910 struct dvb_usb_device *d;
911 struct usb_device *udev = interface_to_usbdev(intf);
912 struct dvb_usb_driver_info *driver_info =
913 (struct dvb_usb_driver_info *) id->driver_info;
914
915 dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
916 intf->cur_altsetting->desc.bInterfaceNumber);
917
918 if (!id->driver_info) {
919 dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
920 ret = -ENODEV;
921 goto err;
922 }
923
924 d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
925 if (!d) {
926 dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
927 ret = -ENOMEM;
928 goto err;
929 }
496e8278 930
ac5361a8 931 d->intf = intf;
dd0f5e0b
AP		 932 d->name = driver_info->name;
933 d->rc_map = driver_info->rc_map;
934 d->udev = udev;
935 d->props = driver_info->props;
936
937 if (intf->cur_altsetting->desc.bInterfaceNumber !=
938 d->props->bInterfaceNumber) {
939 ret = -ENODEV;
940 goto err_free_all;
941 }
942
943 mutex_init(&d->usb_mutex);
944 mutex_init(&d->i2c_mutex);
c79b339f 945
f093c388
AP		 946 if (d->props->size_of_priv) {
947 d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
4f208d4e 948 if (!d->priv) {
d10d1b9a
AP		 949 dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
950 KBUILD_MODNAME);
496e8278 951 ret = -ENOMEM;
dd0f5e0b 952 goto err_free_all;
496e8278
AP		 953 }
954 }
c79b339f 955
f093c388 956 if (d->props->identify_state) {
a0921af7
AP		 957 const char *name = NULL;
958 ret = d->props->identify_state(d, &name);
496e8278
AP		 959 if (ret == 0) {
960 ;
961 } else if (ret == COLD) {
6d7cfec4
AP		 962 dev_info(&d->udev->dev,
963 "%s: found a '%s' in cold state\n",
964 KBUILD_MODNAME, d->name);
a0921af7
AP		 965
966 if (!name)
967 name = d->props->firmware;
968
969 ret = dvb_usbv2_download_firmware(d, name);
970 if (ret == 0) {
971 /* device is warm, continue initialization */
972 ;
973 } else if (ret == RECONNECTS_USB) {
974 /*
975 * USB core will call disconnect() and then
976 * probe() as device reconnects itself from the
977 * USB bus. disconnect() will release all driver
978 * resources and probe() is called for 'new'
979 * device. As 'new' device is warm we should
980 * never go here again.
981 */
dd0f5e0b 982 goto exit;
a0921af7 983 } else {
dd0f5e0b 984 goto err_free_all;
a0921af7 985 }
496e8278 986 } else {
dd0f5e0b 987 goto err_free_all;
496e8278 988 }
c79b339f
AP		 989 }
990
d10d1b9a
AP		 991 dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
992 KBUILD_MODNAME, d->name);
c79b339f 993
59784343 994 ret = dvb_usbv2_init(d);
4f208d4e 995 if (ret < 0)
dd0f5e0b 996 goto err_free_all;
c79b339f 997
6d7cfec4
AP		 998 dev_info(&d->udev->dev,
999 "%s: '%s' successfully initialized and connected\n",
1000 KBUILD_MODNAME, d->name);
dd0f5e0b 1001exit:
4f208d4e 1002 usb_set_intfdata(intf, d);
21f5a32e
AP		 1003
1004 return 0;
dd0f5e0b
AP		 1005err_free_all:
1006 dvb_usbv2_exit(d);
21f5a32e 1007err:
d10d1b9a 1008 dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
21f5a32e
AP		 1009 return ret;
1010}
6b8c8c40 1011EXPORT_SYMBOL(dvb_usbv2_probe);
21f5a32e 1012
6b8c8c40 1013void dvb_usbv2_disconnect(struct usb_interface *intf)
c79b339f
AP		 1014{
1015 struct dvb_usb_device *d = usb_get_intfdata(intf);
831511bd 1016 const char *name = d->name;
d10d1b9a 1017 struct device dev = d->udev->dev;
6f6c77d8 1018
dd0f5e0b
AP		 1019 dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
1020 intf->cur_altsetting->desc.bInterfaceNumber);
c79b339f 1021
831511bd
AP		 1022 if (d->props->exit)
1023 d->props->exit(d);
5b6a63cc 1024
823eebac 1025 dvb_usbv2_exit(d);
4f208d4e 1026
d10d1b9a 1027 dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n",
4f208d4e 1028 KBUILD_MODNAME, name);
c79b339f 1029}
6b8c8c40 1030EXPORT_SYMBOL(dvb_usbv2_disconnect);
c79b339f 1031
ef81e9eb
AP		 1032int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
1033{
1034 struct dvb_usb_device *d = usb_get_intfdata(intf);
15d08836 1035 int ret = 0, i, active_fe;
0898b954 1036 struct dvb_frontend *fe;
d10d1b9a 1037 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ef81e9eb
AP		 1038
1039 /* stop remote controller poll */
ac1c86c8 1040 if (d->rc_polling_active)
ef81e9eb
AP		 1041 cancel_delayed_work_sync(&d->rc_query_work);
1042
5cd98320 1043 for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
0898b954
AP		 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];
06bae122 1047 d->adapter[i].suspend_resume_active = true;
0898b954
AP		 1048
1049 if (d->props->streaming_ctrl)
1050 d->props->streaming_ctrl(fe, 0);
1051
1052 /* stop usb streaming */
ef81e9eb 1053 usb_urb_killv2(&d->adapter[i].stream);
0898b954 1054
15d08836 1055 ret = dvb_frontend_suspend(fe);
0898b954 1056 }
ef81e9eb
AP		 1057 }
1058
15d08836 1059 return ret;
ef81e9eb
AP		 1060}
1061EXPORT_SYMBOL(dvb_usbv2_suspend);
1062
15d08836 1063static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
ef81e9eb 1064{
15d08836 1065 int ret = 0, i, active_fe;
0898b954 1066 struct dvb_frontend *fe;
d10d1b9a 1067 dev_dbg(&d->udev->dev, "%s:\n", __func__);
ef81e9eb 1068
5cd98320 1069 for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) {
0898b954
AP		 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];
1073
15d08836 1074 ret = dvb_frontend_resume(fe);
0898b954
AP		 1075
1076 /* resume usb streaming */
ef81e9eb 1077 usb_urb_submitv2(&d->adapter[i].stream, NULL);
0898b954
AP		 1078
1079 if (d->props->streaming_ctrl)
1080 d->props->streaming_ctrl(fe, 1);
06bae122
AP		 1081
1082 d->adapter[i].suspend_resume_active = false;
0898b954 1083 }
ef81e9eb
AP		 1084 }
1085
1086 /* start remote controller poll */
ac1c86c8 1087 if (d->rc_polling_active)
ef81e9eb
AP		 1088 schedule_delayed_work(&d->rc_query_work,
1089 msecs_to_jiffies(d->rc.interval));
1090
15d08836
AP		 1091 return ret;
1092}
1093
1094int dvb_usbv2_resume(struct usb_interface *intf)
1095{
1096 struct dvb_usb_device *d = usb_get_intfdata(intf);
1097 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1098
1099 return dvb_usbv2_resume_common(d);
ef81e9eb
AP		 1100}
1101EXPORT_SYMBOL(dvb_usbv2_resume);
1102
15d08836
AP		 1103int dvb_usbv2_reset_resume(struct usb_interface *intf)
1104{
1105 struct dvb_usb_device *d = usb_get_intfdata(intf);
1106 int ret;
1107 dev_dbg(&d->udev->dev, "%s:\n", __func__);
1108
1109 dvb_usbv2_device_power_ctrl(d, 1);
1110
1111 if (d->props->init)
1112 d->props->init(d);
1113
1114 ret = dvb_usbv2_resume_common(d);
1115
1116 dvb_usbv2_device_power_ctrl(d, 0);
1117
1118 return ret;
1119}
1120EXPORT_SYMBOL(dvb_usbv2_reset_resume);
1121
12042b05 1122MODULE_VERSION("2.0");
99e44da7 1123MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
12042b05
AP		 1124MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1125MODULE_DESCRIPTION("DVB USB common");
c79b339f 1126MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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