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