Lines Matching +full:fine +full:- +full:tune
1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 1999-2001 Ralph Metzler
53 …e_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
57 MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-fronten…
78 * FESTATE_RETUNE. Parameters have been supplied, but we have not yet performed the first tune.
136 struct dvb_frontend_private *fepriv = fe->frontend_priv; in __dvb_frontend_free()
139 dvb_device_put(fepriv->dvbdev); in __dvb_frontend_free()
141 dvb_frontend_invoke_release(fe, fe->ops.release); in __dvb_frontend_free()
157 if (fe->ops.detach) in dvb_frontend_put()
158 fe->ops.detach(fe); in dvb_frontend_put()
163 if (fe->frontend_priv) in dvb_frontend_put()
164 kref_put(&fe->refcount, dvb_frontend_free); in dvb_frontend_put()
171 kref_get(&fe->refcount); in dvb_frontend_get()
185 return fe->ops.get_frontend; in has_get_frontend()
240 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_add_event()
241 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_add_event()
242 struct dvb_fe_events *events = &fepriv->events; in dvb_frontend_add_event()
246 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_add_event()
249 dtv_get_frontend(fe, c, &fepriv->parameters_out); in dvb_frontend_add_event()
251 mutex_lock(&events->mtx); in dvb_frontend_add_event()
253 wp = (events->eventw + 1) % MAX_EVENT; in dvb_frontend_add_event()
254 if (wp == events->eventr) { in dvb_frontend_add_event()
255 events->overflow = 1; in dvb_frontend_add_event()
256 events->eventr = (events->eventr + 1) % MAX_EVENT; in dvb_frontend_add_event()
259 e = &events->events[events->eventw]; in dvb_frontend_add_event()
260 e->status = status; in dvb_frontend_add_event()
261 e->parameters = fepriv->parameters_out; in dvb_frontend_add_event()
263 events->eventw = wp; in dvb_frontend_add_event()
265 mutex_unlock(&events->mtx); in dvb_frontend_add_event()
267 wake_up_interruptible(&events->wait_queue); in dvb_frontend_add_event()
275 up(&fepriv->sem); in dvb_frontend_test_event()
276 ret = events->eventw != events->eventr; in dvb_frontend_test_event()
277 down(&fepriv->sem); in dvb_frontend_test_event()
285 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_get_event()
286 struct dvb_fe_events *events = &fepriv->events; in dvb_frontend_get_event()
288 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_get_event()
290 if (events->overflow) { in dvb_frontend_get_event()
291 events->overflow = 0; in dvb_frontend_get_event()
292 return -EOVERFLOW; in dvb_frontend_get_event()
295 if (events->eventw == events->eventr) { in dvb_frontend_get_event()
300 return -EWOULDBLOCK; in dvb_frontend_get_event()
303 add_wait_queue(&events->wait_queue, &wait); in dvb_frontend_get_event()
307 ret = -ERESTARTSYS; in dvb_frontend_get_event()
311 remove_wait_queue(&events->wait_queue, &wait); in dvb_frontend_get_event()
316 mutex_lock(&events->mtx); in dvb_frontend_get_event()
317 *event = events->events[events->eventr]; in dvb_frontend_get_event()
318 events->eventr = (events->eventr + 1) % MAX_EVENT; in dvb_frontend_get_event()
319 mutex_unlock(&events->mtx); in dvb_frontend_get_event()
326 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_clear_events()
327 struct dvb_fe_events *events = &fepriv->events; in dvb_frontend_clear_events()
329 mutex_lock(&events->mtx); in dvb_frontend_clear_events()
330 events->eventr = events->eventw; in dvb_frontend_clear_events()
331 mutex_unlock(&events->mtx); in dvb_frontend_clear_events()
336 dev_dbg(fe->dvb->device, in dvb_frontend_init()
338 __func__, fe->dvb->num, fe->id, fe->ops.info.name); in dvb_frontend_init()
340 if (fe->ops.init) in dvb_frontend_init()
341 fe->ops.init(fe); in dvb_frontend_init()
342 if (fe->ops.tuner_ops.init) { in dvb_frontend_init()
343 if (fe->ops.i2c_gate_ctrl) in dvb_frontend_init()
344 fe->ops.i2c_gate_ctrl(fe, 1); in dvb_frontend_init()
345 fe->ops.tuner_ops.init(fe); in dvb_frontend_init()
346 if (fe->ops.i2c_gate_ctrl) in dvb_frontend_init()
347 fe->ops.i2c_gate_ctrl(fe, 0); in dvb_frontend_init()
353 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_reinitialise()
355 fepriv->reinitialise = 1; in dvb_frontend_reinitialise()
363 struct dvb_frontend *fe = fepriv->dvbdev->priv; in dvb_frontend_swzigzag_update_delay()
365 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_swzigzag_update_delay()
368 (fepriv->quality) = (fepriv->quality * 220 + 36 * 256) / 256; in dvb_frontend_swzigzag_update_delay()
370 (fepriv->quality) = (fepriv->quality * 220 + 0) / 256; in dvb_frontend_swzigzag_update_delay()
372 q2 = fepriv->quality - 128; in dvb_frontend_swzigzag_update_delay()
375 fepriv->delay = fepriv->min_delay + q2 * HZ / (128 * 128); in dvb_frontend_swzigzag_update_delay()
379 * dvb_frontend_swzigzag_autotune - Performs automatic twiddling of frontend
393 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_swzigzag_autotune()
394 struct dtv_frontend_properties *c = &fe->dtv_property_cache, tmp; in dvb_frontend_swzigzag_autotune()
395 int original_inversion = c->inversion; in dvb_frontend_swzigzag_autotune()
396 u32 original_frequency = c->frequency; in dvb_frontend_swzigzag_autotune()
399 autoinversion = ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) && in dvb_frontend_swzigzag_autotune()
400 (c->inversion == INVERSION_AUTO)); in dvb_frontend_swzigzag_autotune()
405 fepriv->lnb_drift = fepriv->auto_step * fepriv->step_size; in dvb_frontend_swzigzag_autotune()
408 if (fepriv->lnb_drift > fepriv->max_drift) { in dvb_frontend_swzigzag_autotune()
409 fepriv->auto_step = 0; in dvb_frontend_swzigzag_autotune()
410 fepriv->auto_sub_step = 0; in dvb_frontend_swzigzag_autotune()
411 fepriv->lnb_drift = 0; in dvb_frontend_swzigzag_autotune()
414 /* perform inversion and +/- zigzag */ in dvb_frontend_swzigzag_autotune()
415 switch (fepriv->auto_sub_step) { in dvb_frontend_swzigzag_autotune()
424 fepriv->inversion = (fepriv->inversion == INVERSION_OFF) ? INVERSION_ON : INVERSION_OFF; in dvb_frontend_swzigzag_autotune()
429 if (fepriv->lnb_drift == 0) break; in dvb_frontend_swzigzag_autotune()
431 fepriv->lnb_drift = -fepriv->lnb_drift; in dvb_frontend_swzigzag_autotune()
436 if (fepriv->lnb_drift == 0) break; in dvb_frontend_swzigzag_autotune()
439 fepriv->inversion = (fepriv->inversion == INVERSION_OFF) ? INVERSION_ON : INVERSION_OFF; in dvb_frontend_swzigzag_autotune()
440 fepriv->lnb_drift = -fepriv->lnb_drift; in dvb_frontend_swzigzag_autotune()
445 fepriv->auto_step++; in dvb_frontend_swzigzag_autotune()
446 fepriv->auto_sub_step = -1; /* it'll be incremented to 0 in a moment */ in dvb_frontend_swzigzag_autotune()
450 if (!ready) fepriv->auto_sub_step++; in dvb_frontend_swzigzag_autotune()
455 if ((fepriv->auto_step == fepriv->started_auto_step) && in dvb_frontend_swzigzag_autotune()
456 (fepriv->auto_sub_step == 0) && check_wrapped) { in dvb_frontend_swzigzag_autotune()
460 dev_dbg(fe->dvb->device, in dvb_frontend_swzigzag_autotune()
462 __func__, fepriv->lnb_drift, fepriv->inversion, in dvb_frontend_swzigzag_autotune()
463 fepriv->auto_step, fepriv->auto_sub_step, in dvb_frontend_swzigzag_autotune()
464 fepriv->started_auto_step); in dvb_frontend_swzigzag_autotune()
467 c->frequency += fepriv->lnb_drift; in dvb_frontend_swzigzag_autotune()
469 c->inversion = fepriv->inversion; in dvb_frontend_swzigzag_autotune()
471 if (fe->ops.set_frontend) in dvb_frontend_swzigzag_autotune()
472 fe_set_err = fe->ops.set_frontend(fe); in dvb_frontend_swzigzag_autotune()
475 fepriv->state = FESTATE_ERROR; in dvb_frontend_swzigzag_autotune()
479 c->frequency = original_frequency; in dvb_frontend_swzigzag_autotune()
480 c->inversion = original_inversion; in dvb_frontend_swzigzag_autotune()
482 fepriv->auto_sub_step++; in dvb_frontend_swzigzag_autotune()
490 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_swzigzag()
491 struct dtv_frontend_properties *c = &fe->dtv_property_cache, tmp; in dvb_frontend_swzigzag()
493 if (fepriv->max_drift) in dvb_frontend_swzigzag()
494 dev_warn_once(fe->dvb->device, in dvb_frontend_swzigzag()
498 if (fepriv->state & FESTATE_IDLE) { in dvb_frontend_swzigzag()
499 fepriv->delay = 3 * HZ; in dvb_frontend_swzigzag()
500 fepriv->quality = 0; in dvb_frontend_swzigzag()
505 if (fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT) { in dvb_frontend_swzigzag()
506 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_swzigzag()
508 if (fe->ops.set_frontend) in dvb_frontend_swzigzag()
509 retval = fe->ops.set_frontend(fe); in dvb_frontend_swzigzag()
512 fepriv->state = FESTATE_ERROR; in dvb_frontend_swzigzag()
514 fepriv->state = FESTATE_TUNED; in dvb_frontend_swzigzag()
516 fepriv->delay = 3 * HZ; in dvb_frontend_swzigzag()
517 fepriv->quality = 0; in dvb_frontend_swzigzag()
522 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_swzigzag()
525 if (fe->ops.read_status) in dvb_frontend_swzigzag()
526 fe->ops.read_status(fe, &s); in dvb_frontend_swzigzag()
527 if (s != fepriv->status) { in dvb_frontend_swzigzag()
529 fepriv->status = s; in dvb_frontend_swzigzag()
534 if ((fepriv->state & FESTATE_WAITFORLOCK) && (s & FE_HAS_LOCK)) { in dvb_frontend_swzigzag()
536 fepriv->state = FESTATE_TUNED; in dvb_frontend_swzigzag()
539 if ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) && in dvb_frontend_swzigzag()
540 (c->inversion == INVERSION_AUTO)) { in dvb_frontend_swzigzag()
541 c->inversion = fepriv->inversion; in dvb_frontend_swzigzag()
547 if (fepriv->state & FESTATE_TUNED) { in dvb_frontend_swzigzag()
554 fepriv->state = FESTATE_ZIGZAG_FAST; in dvb_frontend_swzigzag()
555 fepriv->started_auto_step = fepriv->auto_step; in dvb_frontend_swzigzag()
556 fepriv->check_wrapped = 0; in dvb_frontend_swzigzag()
562 if ((fepriv->state & FESTATE_LOSTLOCK) && in dvb_frontend_swzigzag()
563 (fe->ops.info.caps & FE_CAN_RECOVER) && (fepriv->max_drift == 0)) { in dvb_frontend_swzigzag()
570 * If its actually a re-tune, there will be a SET_FRONTEND soon enough. */ in dvb_frontend_swzigzag()
571 if (fepriv->state & FESTATE_DISEQC) { in dvb_frontend_swzigzag()
578 * tune is _very_ likely to require the same */ in dvb_frontend_swzigzag()
579 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_swzigzag()
580 fepriv->lnb_drift = 0; in dvb_frontend_swzigzag()
581 fepriv->auto_step = 0; in dvb_frontend_swzigzag()
582 fepriv->auto_sub_step = 0; in dvb_frontend_swzigzag()
583 fepriv->started_auto_step = 0; in dvb_frontend_swzigzag()
584 fepriv->check_wrapped = 0; in dvb_frontend_swzigzag()
588 if ((fepriv->state & FESTATE_SEARCHING_FAST) || (fepriv->state & FESTATE_RETUNE)) { in dvb_frontend_swzigzag()
589 fepriv->delay = fepriv->min_delay; in dvb_frontend_swzigzag()
591 /* perform a tune */ in dvb_frontend_swzigzag()
593 fepriv->check_wrapped); in dvb_frontend_swzigzag()
599 fepriv->state = FESTATE_SEARCHING_SLOW; in dvb_frontend_swzigzag()
600 fepriv->started_auto_step = fepriv->auto_step; in dvb_frontend_swzigzag()
603 fepriv->check_wrapped = 1; in dvb_frontend_swzigzag()
605 /* if we've just re-tuned, enter the ZIGZAG_FAST state. in dvb_frontend_swzigzag()
607 * FE_SET_FRONTEND ioctl before the first frontend tune in dvb_frontend_swzigzag()
609 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_swzigzag()
610 fepriv->state = FESTATE_TUNING_FAST; in dvb_frontend_swzigzag()
615 if (fepriv->state & FESTATE_SEARCHING_SLOW) { in dvb_frontend_swzigzag()
626 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_is_exiting()
628 if (fe->exit != DVB_FE_NO_EXIT) in dvb_frontend_is_exiting()
631 if (fepriv->dvbdev->writers == 1) in dvb_frontend_is_exiting()
632 if (time_after_eq(jiffies, fepriv->release_jiffies + in dvb_frontend_is_exiting()
641 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_should_wakeup()
643 if (fepriv->wakeup) { in dvb_frontend_should_wakeup()
644 fepriv->wakeup = 0; in dvb_frontend_should_wakeup()
652 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_wakeup()
654 fepriv->wakeup = 1; in dvb_frontend_wakeup()
655 wake_up_interruptible(&fepriv->wait_queue); in dvb_frontend_wakeup()
661 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_thread()
662 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_thread()
668 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_thread()
670 fepriv->check_wrapped = 0; in dvb_frontend_thread()
671 fepriv->quality = 0; in dvb_frontend_thread()
672 fepriv->delay = 3 * HZ; in dvb_frontend_thread()
673 fepriv->status = 0; in dvb_frontend_thread()
674 fepriv->wakeup = 0; in dvb_frontend_thread()
675 fepriv->reinitialise = 0; in dvb_frontend_thread()
681 up(&fepriv->sem); /* is locked when we enter the thread... */ in dvb_frontend_thread()
683 wait_event_interruptible_timeout(fepriv->wait_queue, in dvb_frontend_thread()
687 fepriv->delay); in dvb_frontend_thread()
691 if (!down_interruptible(&fepriv->sem)) in dvb_frontend_thread()
693 fe->exit = DVB_FE_NORMAL_EXIT; in dvb_frontend_thread()
700 if (down_interruptible(&fepriv->sem)) in dvb_frontend_thread()
703 if (fepriv->reinitialise) { in dvb_frontend_thread()
705 if (fe->ops.set_tone && fepriv->tone != -1) in dvb_frontend_thread()
706 fe->ops.set_tone(fe, fepriv->tone); in dvb_frontend_thread()
707 if (fe->ops.set_voltage && fepriv->voltage != -1) in dvb_frontend_thread()
708 fe->ops.set_voltage(fe, fepriv->voltage); in dvb_frontend_thread()
709 fepriv->reinitialise = 0; in dvb_frontend_thread()
713 if (fe->ops.get_frontend_algo) { in dvb_frontend_thread()
714 algo = fe->ops.get_frontend_algo(fe); in dvb_frontend_thread()
717 dev_dbg(fe->dvb->device, "%s: Frontend ALGO = DVBFE_ALGO_HW\n", __func__); in dvb_frontend_thread()
719 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_thread()
720 dev_dbg(fe->dvb->device, "%s: Retune requested, FESTATE_RETUNE\n", __func__); in dvb_frontend_thread()
722 fepriv->state = FESTATE_TUNED; in dvb_frontend_thread()
727 if (fe->ops.tune) in dvb_frontend_thread()
728 fe->ops.tune(fe, re_tune, fepriv->tune_mode_flags, &fepriv->delay, &s); in dvb_frontend_thread()
730 if (s != fepriv->status && !(fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT)) { in dvb_frontend_thread()
731 dev_dbg(fe->dvb->device, "%s: state changed, adding current state\n", __func__); in dvb_frontend_thread()
733 fepriv->status = s; in dvb_frontend_thread()
737 dev_dbg(fe->dvb->device, "%s: Frontend ALGO = DVBFE_ALGO_SW\n", __func__); in dvb_frontend_thread()
741 …dev_dbg(fe->dvb->device, "%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->st… in dvb_frontend_thread()
742 if (fepriv->state & FESTATE_RETUNE) { in dvb_frontend_thread()
743 dev_dbg(fe->dvb->device, "%s: Retune requested, FESTAT_RETUNE\n", __func__); in dvb_frontend_thread()
744 fepriv->state = FESTATE_TUNED; in dvb_frontend_thread()
750 if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) { in dvb_frontend_thread()
751 if (fe->ops.search) { in dvb_frontend_thread()
752 fepriv->algo_status = fe->ops.search(fe); in dvb_frontend_thread()
757 fepriv->algo_status &= ~DVBFE_ALGO_SEARCH_AGAIN; in dvb_frontend_thread()
761 if (fepriv->algo_status != DVBFE_ALGO_SEARCH_SUCCESS) { in dvb_frontend_thread()
762 fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; in dvb_frontend_thread()
763 fepriv->delay = HZ / 2; in dvb_frontend_thread()
765 dtv_property_legacy_params_sync(fe, c, &fepriv->parameters_out); in dvb_frontend_thread()
766 fe->ops.read_status(fe, &s); in dvb_frontend_thread()
767 if (s != fepriv->status) { in dvb_frontend_thread()
769 fepriv->status = s; in dvb_frontend_thread()
771 fepriv->delay = HZ / 10; in dvb_frontend_thread()
772 fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; in dvb_frontend_thread()
774 fepriv->delay = 60 * HZ; in dvb_frontend_thread()
779 dev_dbg(fe->dvb->device, "%s: UNDEFINED ALGO !\n", __func__); in dvb_frontend_thread()
788 if (fe->ops.set_voltage) in dvb_frontend_thread()
789 fe->ops.set_voltage(fe, SEC_VOLTAGE_OFF); in dvb_frontend_thread()
790 if (fe->ops.tuner_ops.sleep) { in dvb_frontend_thread()
791 if (fe->ops.i2c_gate_ctrl) in dvb_frontend_thread()
792 fe->ops.i2c_gate_ctrl(fe, 1); in dvb_frontend_thread()
793 fe->ops.tuner_ops.sleep(fe); in dvb_frontend_thread()
794 if (fe->ops.i2c_gate_ctrl) in dvb_frontend_thread()
795 fe->ops.i2c_gate_ctrl(fe, 0); in dvb_frontend_thread()
797 if (fe->ops.sleep) in dvb_frontend_thread()
798 fe->ops.sleep(fe); in dvb_frontend_thread()
801 fepriv->thread = NULL; in dvb_frontend_thread()
803 fe->exit = DVB_FE_DEVICE_REMOVED; in dvb_frontend_thread()
805 fe->exit = DVB_FE_NO_EXIT; in dvb_frontend_thread()
809 up(&fepriv->sem); in dvb_frontend_thread()
816 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_stop()
818 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_stop()
820 if (fe->exit != DVB_FE_DEVICE_REMOVED) in dvb_frontend_stop()
821 fe->exit = DVB_FE_NORMAL_EXIT; in dvb_frontend_stop()
824 if (!fepriv->thread) in dvb_frontend_stop()
827 kthread_stop(fepriv->thread); in dvb_frontend_stop()
829 sema_init(&fepriv->sem, 1); in dvb_frontend_stop()
830 fepriv->state = FESTATE_IDLE; in dvb_frontend_stop()
833 if (fepriv->thread) in dvb_frontend_stop()
834 dev_warn(fe->dvb->device, in dvb_frontend_stop()
836 fepriv->thread); in dvb_frontend_stop()
853 msleep((delta - 1500) / 1000); in dvb_frontend_sleep_until()
864 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_start()
867 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_start()
869 if (fepriv->thread) { in dvb_frontend_start()
870 if (fe->exit == DVB_FE_NO_EXIT) in dvb_frontend_start()
877 return -EINTR; in dvb_frontend_start()
878 if (down_interruptible(&fepriv->sem)) in dvb_frontend_start()
879 return -EINTR; in dvb_frontend_start()
881 fepriv->state = FESTATE_IDLE; in dvb_frontend_start()
882 fe->exit = DVB_FE_NO_EXIT; in dvb_frontend_start()
883 fepriv->thread = NULL; in dvb_frontend_start()
887 "kdvb-ad-%i-fe-%i", fe->dvb->num, fe->id); in dvb_frontend_start()
890 dev_warn(fe->dvb->device, in dvb_frontend_start()
893 up(&fepriv->sem); in dvb_frontend_start()
896 fepriv->thread = fe_thread; in dvb_frontend_start()
904 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_get_frequency_limits()
905 u32 tuner_min = fe->ops.tuner_ops.info.frequency_min_hz; in dvb_frontend_get_frequency_limits()
906 u32 tuner_max = fe->ops.tuner_ops.info.frequency_max_hz; in dvb_frontend_get_frequency_limits()
907 u32 frontend_min = fe->ops.info.frequency_min_hz; in dvb_frontend_get_frequency_limits()
908 u32 frontend_max = fe->ops.info.frequency_max_hz; in dvb_frontend_get_frequency_limits()
920 dev_warn(fe->dvb->device, in dvb_frontend_get_frequency_limits()
921 "DVB: adapter %i frontend %u frequency limits undefined - fix the driver\n", in dvb_frontend_get_frequency_limits()
922 fe->dvb->num, fe->id); in dvb_frontend_get_frequency_limits()
924 dev_dbg(fe->dvb->device, "frequency interval: tuner: %u...%u, frontend: %u...%u", in dvb_frontend_get_frequency_limits()
928 switch (c->delivery_system) { in dvb_frontend_get_frequency_limits()
937 *tolerance = fe->ops.info.frequency_tolerance_hz / kHz; in dvb_frontend_get_frequency_limits()
942 *tolerance = fe->ops.info.frequency_tolerance_hz; in dvb_frontend_get_frequency_limits()
949 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_get_stepsize()
950 u32 fe_step = fe->ops.info.frequency_stepsize_hz; in dvb_frontend_get_stepsize()
951 u32 tuner_step = fe->ops.tuner_ops.info.frequency_step_hz; in dvb_frontend_get_stepsize()
954 switch (c->delivery_system) { in dvb_frontend_get_stepsize()
971 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_check_parameters()
977 if ((freq_min && c->frequency < freq_min) || in dvb_frontend_check_parameters()
978 (freq_max && c->frequency > freq_max)) { in dvb_frontend_check_parameters()
979 dev_warn(fe->dvb->device, "DVB: adapter %i frontend %i frequency %u out of range (%u..%u)\n", in dvb_frontend_check_parameters()
980 fe->dvb->num, fe->id, c->frequency, in dvb_frontend_check_parameters()
982 return -EINVAL; in dvb_frontend_check_parameters()
986 switch (c->delivery_system) { in dvb_frontend_check_parameters()
993 if ((fe->ops.info.symbol_rate_min && in dvb_frontend_check_parameters()
994 c->symbol_rate < fe->ops.info.symbol_rate_min) || in dvb_frontend_check_parameters()
995 (fe->ops.info.symbol_rate_max && in dvb_frontend_check_parameters()
996 c->symbol_rate > fe->ops.info.symbol_rate_max)) { in dvb_frontend_check_parameters()
997 dev_warn(fe->dvb->device, "DVB: adapter %i frontend %i symbol rate %u out of range (%u..%u)\n", in dvb_frontend_check_parameters()
998 fe->dvb->num, fe->id, c->symbol_rate, in dvb_frontend_check_parameters()
999 fe->ops.info.symbol_rate_min, in dvb_frontend_check_parameters()
1000 fe->ops.info.symbol_rate_max); in dvb_frontend_check_parameters()
1001 return -EINVAL; in dvb_frontend_check_parameters()
1013 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_clear_cache()
1017 delsys = c->delivery_system; in dvb_frontend_clear_cache()
1019 c->delivery_system = delsys; in dvb_frontend_clear_cache()
1021 dev_dbg(fe->dvb->device, "%s: Clearing cache for delivery system %d\n", in dvb_frontend_clear_cache()
1022 __func__, c->delivery_system); in dvb_frontend_clear_cache()
1024 c->transmission_mode = TRANSMISSION_MODE_AUTO; in dvb_frontend_clear_cache()
1025 c->bandwidth_hz = 0; /* AUTO */ in dvb_frontend_clear_cache()
1026 c->guard_interval = GUARD_INTERVAL_AUTO; in dvb_frontend_clear_cache()
1027 c->hierarchy = HIERARCHY_AUTO; in dvb_frontend_clear_cache()
1028 c->symbol_rate = 0; in dvb_frontend_clear_cache()
1029 c->code_rate_HP = FEC_AUTO; in dvb_frontend_clear_cache()
1030 c->code_rate_LP = FEC_AUTO; in dvb_frontend_clear_cache()
1031 c->fec_inner = FEC_AUTO; in dvb_frontend_clear_cache()
1032 c->rolloff = ROLLOFF_AUTO; in dvb_frontend_clear_cache()
1033 c->voltage = SEC_VOLTAGE_OFF; in dvb_frontend_clear_cache()
1034 c->sectone = SEC_TONE_OFF; in dvb_frontend_clear_cache()
1035 c->pilot = PILOT_AUTO; in dvb_frontend_clear_cache()
1037 c->isdbt_partial_reception = 0; in dvb_frontend_clear_cache()
1038 c->isdbt_sb_mode = 0; in dvb_frontend_clear_cache()
1039 c->isdbt_sb_subchannel = 0; in dvb_frontend_clear_cache()
1040 c->isdbt_sb_segment_idx = 0; in dvb_frontend_clear_cache()
1041 c->isdbt_sb_segment_count = 0; in dvb_frontend_clear_cache()
1042 c->isdbt_layer_enabled = 7; /* All layers (A,B,C) */ in dvb_frontend_clear_cache()
1044 c->layer[i].fec = FEC_AUTO; in dvb_frontend_clear_cache()
1045 c->layer[i].modulation = QAM_AUTO; in dvb_frontend_clear_cache()
1046 c->layer[i].interleaving = 0; in dvb_frontend_clear_cache()
1047 c->layer[i].segment_count = 0; in dvb_frontend_clear_cache()
1050 c->stream_id = NO_STREAM_ID_FILTER; in dvb_frontend_clear_cache()
1051 c->scrambling_sequence_index = 0;/* default sequence */ in dvb_frontend_clear_cache()
1053 switch (c->delivery_system) { in dvb_frontend_clear_cache()
1055 c->modulation = QPSK; in dvb_frontend_clear_cache()
1056 c->rolloff = ROLLOFF_20; in dvb_frontend_clear_cache()
1061 c->modulation = QPSK; /* implied for DVB-S in legacy API */ in dvb_frontend_clear_cache()
1062 c->rolloff = ROLLOFF_35;/* implied for DVB-S */ in dvb_frontend_clear_cache()
1065 c->modulation = VSB_8; in dvb_frontend_clear_cache()
1068 c->symbol_rate = 28860000; in dvb_frontend_clear_cache()
1069 c->rolloff = ROLLOFF_35; in dvb_frontend_clear_cache()
1070 c->bandwidth_hz = c->symbol_rate / 100 * 135; in dvb_frontend_clear_cache()
1073 c->modulation = QAM_AUTO; in dvb_frontend_clear_cache()
1077 c->lna = LNA_AUTO; in dvb_frontend_clear_cache()
1181 c->frequency = p->frequency; in dtv_property_cache_sync()
1182 c->inversion = p->inversion; in dtv_property_cache_sync()
1184 switch (dvbv3_type(c->delivery_system)) { in dtv_property_cache_sync()
1186 dev_dbg(fe->dvb->device, "%s: Preparing QPSK req\n", __func__); in dtv_property_cache_sync()
1187 c->symbol_rate = p->u.qpsk.symbol_rate; in dtv_property_cache_sync()
1188 c->fec_inner = p->u.qpsk.fec_inner; in dtv_property_cache_sync()
1191 dev_dbg(fe->dvb->device, "%s: Preparing QAM req\n", __func__); in dtv_property_cache_sync()
1192 c->symbol_rate = p->u.qam.symbol_rate; in dtv_property_cache_sync()
1193 c->fec_inner = p->u.qam.fec_inner; in dtv_property_cache_sync()
1194 c->modulation = p->u.qam.modulation; in dtv_property_cache_sync()
1197 dev_dbg(fe->dvb->device, "%s: Preparing OFDM req\n", __func__); in dtv_property_cache_sync()
1199 switch (p->u.ofdm.bandwidth) { in dtv_property_cache_sync()
1201 c->bandwidth_hz = 10000000; in dtv_property_cache_sync()
1204 c->bandwidth_hz = 8000000; in dtv_property_cache_sync()
1207 c->bandwidth_hz = 7000000; in dtv_property_cache_sync()
1210 c->bandwidth_hz = 6000000; in dtv_property_cache_sync()
1213 c->bandwidth_hz = 5000000; in dtv_property_cache_sync()
1216 c->bandwidth_hz = 1712000; in dtv_property_cache_sync()
1219 c->bandwidth_hz = 0; in dtv_property_cache_sync()
1222 c->code_rate_HP = p->u.ofdm.code_rate_HP; in dtv_property_cache_sync()
1223 c->code_rate_LP = p->u.ofdm.code_rate_LP; in dtv_property_cache_sync()
1224 c->modulation = p->u.ofdm.constellation; in dtv_property_cache_sync()
1225 c->transmission_mode = p->u.ofdm.transmission_mode; in dtv_property_cache_sync()
1226 c->guard_interval = p->u.ofdm.guard_interval; in dtv_property_cache_sync()
1227 c->hierarchy = p->u.ofdm.hierarchy_information; in dtv_property_cache_sync()
1230 dev_dbg(fe->dvb->device, "%s: Preparing ATSC req\n", __func__); in dtv_property_cache_sync()
1231 c->modulation = p->u.vsb.modulation; in dtv_property_cache_sync()
1232 if (c->delivery_system == SYS_ATSCMH) in dtv_property_cache_sync()
1234 if ((c->modulation == VSB_8) || (c->modulation == VSB_16)) in dtv_property_cache_sync()
1235 c->delivery_system = SYS_ATSC; in dtv_property_cache_sync()
1237 c->delivery_system = SYS_DVBC_ANNEX_B; in dtv_property_cache_sync()
1240 dev_err(fe->dvb->device, in dtv_property_cache_sync()
1242 __func__, c->delivery_system); in dtv_property_cache_sync()
1243 return -EINVAL; in dtv_property_cache_sync()
1257 p->frequency = c->frequency; in dtv_property_legacy_params_sync()
1258 p->inversion = c->inversion; in dtv_property_legacy_params_sync()
1260 switch (dvbv3_type(c->delivery_system)) { in dtv_property_legacy_params_sync()
1262 dev_err(fe->dvb->device, in dtv_property_legacy_params_sync()
1264 __func__, c->delivery_system); in dtv_property_legacy_params_sync()
1265 return -EINVAL; in dtv_property_legacy_params_sync()
1267 dev_dbg(fe->dvb->device, "%s: Preparing QPSK req\n", __func__); in dtv_property_legacy_params_sync()
1268 p->u.qpsk.symbol_rate = c->symbol_rate; in dtv_property_legacy_params_sync()
1269 p->u.qpsk.fec_inner = c->fec_inner; in dtv_property_legacy_params_sync()
1272 dev_dbg(fe->dvb->device, "%s: Preparing QAM req\n", __func__); in dtv_property_legacy_params_sync()
1273 p->u.qam.symbol_rate = c->symbol_rate; in dtv_property_legacy_params_sync()
1274 p->u.qam.fec_inner = c->fec_inner; in dtv_property_legacy_params_sync()
1275 p->u.qam.modulation = c->modulation; in dtv_property_legacy_params_sync()
1278 dev_dbg(fe->dvb->device, "%s: Preparing OFDM req\n", __func__); in dtv_property_legacy_params_sync()
1279 switch (c->bandwidth_hz) { in dtv_property_legacy_params_sync()
1281 p->u.ofdm.bandwidth = BANDWIDTH_10_MHZ; in dtv_property_legacy_params_sync()
1284 p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ; in dtv_property_legacy_params_sync()
1287 p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ; in dtv_property_legacy_params_sync()
1290 p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ; in dtv_property_legacy_params_sync()
1293 p->u.ofdm.bandwidth = BANDWIDTH_5_MHZ; in dtv_property_legacy_params_sync()
1296 p->u.ofdm.bandwidth = BANDWIDTH_1_712_MHZ; in dtv_property_legacy_params_sync()
1300 p->u.ofdm.bandwidth = BANDWIDTH_AUTO; in dtv_property_legacy_params_sync()
1302 p->u.ofdm.code_rate_HP = c->code_rate_HP; in dtv_property_legacy_params_sync()
1303 p->u.ofdm.code_rate_LP = c->code_rate_LP; in dtv_property_legacy_params_sync()
1304 p->u.ofdm.constellation = c->modulation; in dtv_property_legacy_params_sync()
1305 p->u.ofdm.transmission_mode = c->transmission_mode; in dtv_property_legacy_params_sync()
1306 p->u.ofdm.guard_interval = c->guard_interval; in dtv_property_legacy_params_sync()
1307 p->u.ofdm.hierarchy_information = c->hierarchy; in dtv_property_legacy_params_sync()
1310 dev_dbg(fe->dvb->device, "%s: Preparing VSB req\n", __func__); in dtv_property_legacy_params_sync()
1311 p->u.vsb.modulation = c->modulation; in dtv_property_legacy_params_sync()
1318 * dtv_get_frontend - calls a callback for retrieving DTV parameters
1333 if (fe->ops.get_frontend) { in dtv_get_frontend()
1334 r = fe->ops.get_frontend(fe, c); in dtv_get_frontend()
1357 switch (tvp->cmd) { in dtv_property_process_get()
1360 while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) { in dtv_property_process_get()
1361 tvp->u.buffer.data[ncaps] = fe->ops.delsys[ncaps]; in dtv_property_process_get()
1364 tvp->u.buffer.len = ncaps; in dtv_property_process_get()
1368 tvp->u.data = c->frequency; in dtv_property_process_get()
1371 tvp->u.data = c->modulation; in dtv_property_process_get()
1374 tvp->u.data = c->bandwidth_hz; in dtv_property_process_get()
1377 tvp->u.data = c->inversion; in dtv_property_process_get()
1380 tvp->u.data = c->symbol_rate; in dtv_property_process_get()
1383 tvp->u.data = c->fec_inner; in dtv_property_process_get()
1386 tvp->u.data = c->pilot; in dtv_property_process_get()
1389 tvp->u.data = c->rolloff; in dtv_property_process_get()
1392 tvp->u.data = c->delivery_system; in dtv_property_process_get()
1395 tvp->u.data = c->voltage; in dtv_property_process_get()
1398 tvp->u.data = c->sectone; in dtv_property_process_get()
1401 tvp->u.data = (DVB_API_VERSION << 8) | DVB_API_VERSION_MINOR; in dtv_property_process_get()
1404 tvp->u.data = c->code_rate_HP; in dtv_property_process_get()
1407 tvp->u.data = c->code_rate_LP; in dtv_property_process_get()
1410 tvp->u.data = c->guard_interval; in dtv_property_process_get()
1413 tvp->u.data = c->transmission_mode; in dtv_property_process_get()
1416 tvp->u.data = c->hierarchy; in dtv_property_process_get()
1419 tvp->u.data = c->interleaving; in dtv_property_process_get()
1422 /* ISDB-T Support here */ in dtv_property_process_get()
1424 tvp->u.data = c->isdbt_partial_reception; in dtv_property_process_get()
1427 tvp->u.data = c->isdbt_sb_mode; in dtv_property_process_get()
1430 tvp->u.data = c->isdbt_sb_subchannel; in dtv_property_process_get()
1433 tvp->u.data = c->isdbt_sb_segment_idx; in dtv_property_process_get()
1436 tvp->u.data = c->isdbt_sb_segment_count; in dtv_property_process_get()
1439 tvp->u.data = c->isdbt_layer_enabled; in dtv_property_process_get()
1442 tvp->u.data = c->layer[0].fec; in dtv_property_process_get()
1445 tvp->u.data = c->layer[0].modulation; in dtv_property_process_get()
1448 tvp->u.data = c->layer[0].segment_count; in dtv_property_process_get()
1451 tvp->u.data = c->layer[0].interleaving; in dtv_property_process_get()
1454 tvp->u.data = c->layer[1].fec; in dtv_property_process_get()
1457 tvp->u.data = c->layer[1].modulation; in dtv_property_process_get()
1460 tvp->u.data = c->layer[1].segment_count; in dtv_property_process_get()
1463 tvp->u.data = c->layer[1].interleaving; in dtv_property_process_get()
1466 tvp->u.data = c->layer[2].fec; in dtv_property_process_get()
1469 tvp->u.data = c->layer[2].modulation; in dtv_property_process_get()
1472 tvp->u.data = c->layer[2].segment_count; in dtv_property_process_get()
1475 tvp->u.data = c->layer[2].interleaving; in dtv_property_process_get()
1481 tvp->u.data = c->stream_id; in dtv_property_process_get()
1486 tvp->u.data = c->scrambling_sequence_index; in dtv_property_process_get()
1489 /* ATSC-MH */ in dtv_property_process_get()
1491 tvp->u.data = fe->dtv_property_cache.atscmh_fic_ver; in dtv_property_process_get()
1494 tvp->u.data = fe->dtv_property_cache.atscmh_parade_id; in dtv_property_process_get()
1497 tvp->u.data = fe->dtv_property_cache.atscmh_nog; in dtv_property_process_get()
1500 tvp->u.data = fe->dtv_property_cache.atscmh_tnog; in dtv_property_process_get()
1503 tvp->u.data = fe->dtv_property_cache.atscmh_sgn; in dtv_property_process_get()
1506 tvp->u.data = fe->dtv_property_cache.atscmh_prc; in dtv_property_process_get()
1509 tvp->u.data = fe->dtv_property_cache.atscmh_rs_frame_mode; in dtv_property_process_get()
1512 tvp->u.data = fe->dtv_property_cache.atscmh_rs_frame_ensemble; in dtv_property_process_get()
1515 tvp->u.data = fe->dtv_property_cache.atscmh_rs_code_mode_pri; in dtv_property_process_get()
1518 tvp->u.data = fe->dtv_property_cache.atscmh_rs_code_mode_sec; in dtv_property_process_get()
1521 tvp->u.data = fe->dtv_property_cache.atscmh_sccc_block_mode; in dtv_property_process_get()
1524 tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_a; in dtv_property_process_get()
1527 tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_b; in dtv_property_process_get()
1530 tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_c; in dtv_property_process_get()
1533 tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_d; in dtv_property_process_get()
1537 tvp->u.data = c->lna; in dtv_property_process_get()
1542 tvp->u.st = c->strength; in dtv_property_process_get()
1543 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1544 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1545 len = tvp->u.buffer.len; in dtv_property_process_get()
1548 tvp->u.st = c->cnr; in dtv_property_process_get()
1549 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1550 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1551 len = tvp->u.buffer.len; in dtv_property_process_get()
1554 tvp->u.st = c->pre_bit_error; in dtv_property_process_get()
1555 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1556 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1557 len = tvp->u.buffer.len; in dtv_property_process_get()
1560 tvp->u.st = c->pre_bit_count; in dtv_property_process_get()
1561 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1562 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1563 len = tvp->u.buffer.len; in dtv_property_process_get()
1566 tvp->u.st = c->post_bit_error; in dtv_property_process_get()
1567 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1568 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1569 len = tvp->u.buffer.len; in dtv_property_process_get()
1572 tvp->u.st = c->post_bit_count; in dtv_property_process_get()
1573 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1574 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1575 len = tvp->u.buffer.len; in dtv_property_process_get()
1578 tvp->u.st = c->block_error; in dtv_property_process_get()
1579 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1580 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1581 len = tvp->u.buffer.len; in dtv_property_process_get()
1584 tvp->u.st = c->block_count; in dtv_property_process_get()
1585 if (tvp->u.buffer.len > MAX_DTV_STATS * sizeof(u32)) in dtv_property_process_get()
1586 tvp->u.buffer.len = MAX_DTV_STATS * sizeof(u32); in dtv_property_process_get()
1587 len = tvp->u.buffer.len; in dtv_property_process_get()
1590 dev_dbg(fe->dvb->device, in dtv_property_process_get()
1592 __func__, tvp->cmd); in dtv_property_process_get()
1593 return -EINVAL; in dtv_property_process_get()
1599 dev_dbg(fe->dvb->device, in dtv_property_process_get()
1601 __func__, tvp->cmd, dtv_cmd_name(tvp->cmd), in dtv_property_process_get()
1602 tvp->u.buffer.len, tvp->u.buffer.len, tvp->u.buffer.data); in dtv_property_process_get()
1616 * emulate_delivery_system - emulate a DVBv5 delivery system with a DVBv3 type
1621 * DVBv3 call. Among its usages, it provices support for ISDB-T, and allows
1622 * using a DVB-S2 only frontend just like it were a DVB-S, if the frontend
1623 * parameters are compatible with DVB-S spec.
1628 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in emulate_delivery_system()
1630 c->delivery_system = delsys; in emulate_delivery_system()
1633 * If the call is for ISDB-T, put it into full-seg, auto mode, TV in emulate_delivery_system()
1635 if (c->delivery_system == SYS_ISDBT) { in emulate_delivery_system()
1636 dev_dbg(fe->dvb->device, in emulate_delivery_system()
1640 if (!c->bandwidth_hz) in emulate_delivery_system()
1641 c->bandwidth_hz = 6000000; in emulate_delivery_system()
1643 c->isdbt_partial_reception = 0; in emulate_delivery_system()
1644 c->isdbt_sb_mode = 0; in emulate_delivery_system()
1645 c->isdbt_sb_subchannel = 0; in emulate_delivery_system()
1646 c->isdbt_sb_segment_idx = 0; in emulate_delivery_system()
1647 c->isdbt_sb_segment_count = 0; in emulate_delivery_system()
1648 c->isdbt_layer_enabled = 7; in emulate_delivery_system()
1650 c->layer[i].fec = FEC_AUTO; in emulate_delivery_system()
1651 c->layer[i].modulation = QAM_AUTO; in emulate_delivery_system()
1652 c->layer[i].interleaving = 0; in emulate_delivery_system()
1653 c->layer[i].segment_count = 0; in emulate_delivery_system()
1656 dev_dbg(fe->dvb->device, "%s: change delivery system on cache to %d\n", in emulate_delivery_system()
1657 __func__, c->delivery_system); in emulate_delivery_system()
1663 * dvbv5_set_delivery_system - Sets the delivery system for a DVBv5 API call
1677 * ISDB-T provided backward compat with DVB-T.
1684 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvbv5_set_delivery_system()
1694 desired_system = fe->ops.delsys[0]; in dvbv5_set_delivery_system()
1702 while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) { in dvbv5_set_delivery_system()
1703 if (fe->ops.delsys[ncaps] == desired_system) { in dvbv5_set_delivery_system()
1704 c->delivery_system = desired_system; in dvbv5_set_delivery_system()
1705 dev_dbg(fe->dvb->device, in dvbv5_set_delivery_system()
1721 dev_dbg(fe->dvb->device, in dvbv5_set_delivery_system()
1724 return -EINVAL; in dvbv5_set_delivery_system()
1730 * Get the last non-DVBv3 delivery system that has the same type in dvbv5_set_delivery_system()
1734 while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) { in dvbv5_set_delivery_system()
1735 if (dvbv3_type(fe->ops.delsys[ncaps]) == type) in dvbv5_set_delivery_system()
1736 delsys = fe->ops.delsys[ncaps]; in dvbv5_set_delivery_system()
1742 dev_dbg(fe->dvb->device, in dvbv5_set_delivery_system()
1745 return -EINVAL; in dvbv5_set_delivery_system()
1748 dev_dbg(fe->dvb->device, in dvbv5_set_delivery_system()
1756 * dvbv3_set_delivery_system - Sets the delivery system for a DVBv3 API call
1767 * This routine should work fine for frontends that support just one delivery
1778 * uses a DVBv5 call for DVB-S2 and a DVBv3 call to go back to
1779 * DVB-S, drivers that support both DVB-S and DVB-S2 should have the
1781 * to DVB-S.
1787 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvbv3_set_delivery_system()
1790 if (c->delivery_system == SYS_UNDEFINED) in dvbv3_set_delivery_system()
1791 c->delivery_system = fe->ops.delsys[0]; in dvbv3_set_delivery_system()
1797 if (is_dvbv3_delsys(c->delivery_system)) { in dvbv3_set_delivery_system()
1798 dev_dbg(fe->dvb->device, in dvbv3_set_delivery_system()
1800 __func__, c->delivery_system); in dvbv3_set_delivery_system()
1809 while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) { in dvbv3_set_delivery_system()
1810 if (dvbv3_type(fe->ops.delsys[ncaps]) != DVBV3_UNKNOWN) { in dvbv3_set_delivery_system()
1811 delsys = fe->ops.delsys[ncaps]; in dvbv3_set_delivery_system()
1817 dev_dbg(fe->dvb->device, in dvbv3_set_delivery_system()
1820 return -EINVAL; in dvbv3_set_delivery_system()
1827 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in prepare_tuning_algo_parameters()
1828 struct dvb_frontend_private *fepriv = fe->frontend_priv; in prepare_tuning_algo_parameters()
1831 /* get frontend-specific tuning settings */ in prepare_tuning_algo_parameters()
1832 if (fe->ops.get_tune_settings && (fe->ops.get_tune_settings(fe, &fetunesettings) == 0)) { in prepare_tuning_algo_parameters()
1833 fepriv->min_delay = (fetunesettings.min_delay_ms * HZ) / 1000; in prepare_tuning_algo_parameters()
1834 fepriv->max_drift = fetunesettings.max_drift; in prepare_tuning_algo_parameters()
1835 fepriv->step_size = fetunesettings.step_size; in prepare_tuning_algo_parameters()
1838 switch (c->delivery_system) { in prepare_tuning_algo_parameters()
1846 fepriv->min_delay = HZ / 20; in prepare_tuning_algo_parameters()
1847 fepriv->step_size = c->symbol_rate / 16000; in prepare_tuning_algo_parameters()
1848 fepriv->max_drift = c->symbol_rate / 2000; in prepare_tuning_algo_parameters()
1854 fepriv->min_delay = HZ / 20; in prepare_tuning_algo_parameters()
1855 fepriv->step_size = dvb_frontend_get_stepsize(fe) * 2; in prepare_tuning_algo_parameters()
1856 fepriv->max_drift = fepriv->step_size + 1; in prepare_tuning_algo_parameters()
1863 fepriv->min_delay = HZ / 20; in prepare_tuning_algo_parameters()
1864 fepriv->step_size = 0; /* no zigzag */ in prepare_tuning_algo_parameters()
1865 fepriv->max_drift = 0; in prepare_tuning_algo_parameters()
1870 fepriv->min_delay = (dvb_override_tune_delay * HZ) / 1000; in prepare_tuning_algo_parameters()
1874 * dtv_property_process_set - Sets a single DTV property
1878 * @data: An unsigned 32-bits number
1892 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dtv_property_process_set()
1896 dev_warn(fe->dvb->device, "%s: SET cmd 0x%08x undefined\n", in dtv_property_process_set()
1899 dev_dbg(fe->dvb->device, in dtv_property_process_set()
1912 * Use the cached Digital TV properties to tune the in dtv_property_process_set()
1915 dev_dbg(fe->dvb->device, in dtv_property_process_set()
1922 c->frequency = data; in dtv_property_process_set()
1925 c->modulation = data; in dtv_property_process_set()
1928 c->bandwidth_hz = data; in dtv_property_process_set()
1931 c->inversion = data; in dtv_property_process_set()
1934 c->symbol_rate = data; in dtv_property_process_set()
1937 c->fec_inner = data; in dtv_property_process_set()
1940 c->pilot = data; in dtv_property_process_set()
1943 c->rolloff = data; in dtv_property_process_set()
1949 c->voltage = data; in dtv_property_process_set()
1951 (void *)c->voltage); in dtv_property_process_set()
1954 c->sectone = data; in dtv_property_process_set()
1956 (void *)c->sectone); in dtv_property_process_set()
1959 c->code_rate_HP = data; in dtv_property_process_set()
1962 c->code_rate_LP = data; in dtv_property_process_set()
1965 c->guard_interval = data; in dtv_property_process_set()
1968 c->transmission_mode = data; in dtv_property_process_set()
1971 c->hierarchy = data; in dtv_property_process_set()
1974 c->interleaving = data; in dtv_property_process_set()
1977 /* ISDB-T Support here */ in dtv_property_process_set()
1979 c->isdbt_partial_reception = data; in dtv_property_process_set()
1982 c->isdbt_sb_mode = data; in dtv_property_process_set()
1985 c->isdbt_sb_subchannel = data; in dtv_property_process_set()
1988 c->isdbt_sb_segment_idx = data; in dtv_property_process_set()
1991 c->isdbt_sb_segment_count = data; in dtv_property_process_set()
1994 c->isdbt_layer_enabled = data; in dtv_property_process_set()
1997 c->layer[0].fec = data; in dtv_property_process_set()
2000 c->layer[0].modulation = data; in dtv_property_process_set()
2003 c->layer[0].segment_count = data; in dtv_property_process_set()
2006 c->layer[0].interleaving = data; in dtv_property_process_set()
2009 c->layer[1].fec = data; in dtv_property_process_set()
2012 c->layer[1].modulation = data; in dtv_property_process_set()
2015 c->layer[1].segment_count = data; in dtv_property_process_set()
2018 c->layer[1].interleaving = data; in dtv_property_process_set()
2021 c->layer[2].fec = data; in dtv_property_process_set()
2024 c->layer[2].modulation = data; in dtv_property_process_set()
2027 c->layer[2].segment_count = data; in dtv_property_process_set()
2030 c->layer[2].interleaving = data; in dtv_property_process_set()
2036 c->stream_id = data; in dtv_property_process_set()
2041 c->scrambling_sequence_index = data; in dtv_property_process_set()
2044 /* ATSC-MH */ in dtv_property_process_set()
2046 fe->dtv_property_cache.atscmh_parade_id = data; in dtv_property_process_set()
2049 fe->dtv_property_cache.atscmh_rs_frame_ensemble = data; in dtv_property_process_set()
2053 c->lna = data; in dtv_property_process_set()
2054 if (fe->ops.set_lna) in dtv_property_process_set()
2055 r = fe->ops.set_lna(fe); in dtv_property_process_set()
2057 c->lna = LNA_AUTO; in dtv_property_process_set()
2061 return -EINVAL; in dtv_property_process_set()
2070 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_do_ioctl()
2071 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_do_ioctl()
2072 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_do_ioctl()
2075 dev_dbg(fe->dvb->device, "%s: (%d)\n", __func__, _IOC_NR(cmd)); in dvb_frontend_do_ioctl()
2076 if (down_interruptible(&fepriv->sem)) in dvb_frontend_do_ioctl()
2077 return -ERESTARTSYS; in dvb_frontend_do_ioctl()
2079 if (fe->exit != DVB_FE_NO_EXIT) { in dvb_frontend_do_ioctl()
2080 up(&fepriv->sem); in dvb_frontend_do_ioctl()
2081 return -ENODEV; in dvb_frontend_do_ioctl()
2085 * If the frontend is opened in read-only mode, only the ioctls in dvb_frontend_do_ioctl()
2086 * that don't interfere with the tune logic should be accepted. in dvb_frontend_do_ioctl()
2091 * - FE_GET_EVENT is part of the tuning logic on a DVB application; in dvb_frontend_do_ioctl()
2092 * - FE_DISEQC_RECV_SLAVE_REPLY is part of DiSEqC 2.0 in dvb_frontend_do_ioctl()
2094 * So, those two ioctls should also return -EPERM, as otherwise in dvb_frontend_do_ioctl()
2095 * reading from them would interfere with a DVB tune application in dvb_frontend_do_ioctl()
2097 if ((file->f_flags & O_ACCMODE) == O_RDONLY in dvb_frontend_do_ioctl()
2101 up(&fepriv->sem); in dvb_frontend_do_ioctl()
2102 return -EPERM; in dvb_frontend_do_ioctl()
2107 up(&fepriv->sem); in dvb_frontend_do_ioctl()
2114 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_ioctl()
2117 return -ENODEV; in dvb_frontend_ioctl()
2150 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_handle_compat_ioctl()
2151 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_handle_compat_ioctl()
2152 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_handle_compat_ioctl()
2160 return -EFAULT; in dvb_frontend_handle_compat_ioctl()
2168 if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) in dvb_frontend_handle_compat_ioctl()
2169 return -EINVAL; in dvb_frontend_handle_compat_ioctl()
2171 tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); in dvb_frontend_handle_compat_ioctl()
2175 for (i = 0; i < tvps->num; i++) { in dvb_frontend_handle_compat_ioctl()
2177 (tvp + i)->cmd, in dvb_frontend_handle_compat_ioctl()
2178 (tvp + i)->u.data); in dvb_frontend_handle_compat_ioctl()
2188 struct dtv_frontend_properties getp = fe->dtv_property_cache; in dvb_frontend_handle_compat_ioctl()
2191 return -EFAULT; in dvb_frontend_handle_compat_ioctl()
2199 if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) in dvb_frontend_handle_compat_ioctl()
2200 return -EINVAL; in dvb_frontend_handle_compat_ioctl()
2202 tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); in dvb_frontend_handle_compat_ioctl()
2212 if (fepriv->state != FESTATE_IDLE) { in dvb_frontend_handle_compat_ioctl()
2219 for (i = 0; i < tvps->num; i++) { in dvb_frontend_handle_compat_ioctl()
2228 if (copy_to_user((void __user *)compat_ptr(tvps->props), tvp, in dvb_frontend_handle_compat_ioctl()
2229 tvps->num * sizeof(struct compat_dtv_property))) { in dvb_frontend_handle_compat_ioctl()
2231 return -EFAULT; in dvb_frontend_handle_compat_ioctl()
2242 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_compat_ioctl()
2243 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_compat_ioctl()
2244 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_compat_ioctl()
2248 if (down_interruptible(&fepriv->sem)) in dvb_frontend_compat_ioctl()
2249 return -ERESTARTSYS; in dvb_frontend_compat_ioctl()
2253 up(&fepriv->sem); in dvb_frontend_compat_ioctl()
2263 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dtv_set_frontend()
2264 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dtv_set_frontend()
2268 return -EINVAL; in dtv_set_frontend()
2275 dtv_property_legacy_params_sync(fe, c, &fepriv->parameters_out); in dtv_set_frontend()
2279 * non-satellite systems, as tuners need to know what in dtv_set_frontend()
2281 * order to avoid inter-channel noise. in dtv_set_frontend()
2283 * ISDB-T and DVB-T/T2 already sets bandwidth. in dtv_set_frontend()
2284 * ATSC and DVB-C don't set, so, the core should fill it. in dtv_set_frontend()
2286 * On DVB-C Annex A and C, the bandwidth is a function of in dtv_set_frontend()
2287 * the roll-off and symbol rate. Annex B defines different in dtv_set_frontend()
2288 * roll-off factors depending on the modulation. Fortunately, in dtv_set_frontend()
2296 switch (c->delivery_system) { in dtv_set_frontend()
2299 c->bandwidth_hz = 6000000; in dtv_set_frontend()
2316 switch (c->rolloff) { in dtv_set_frontend()
2332 c->bandwidth_hz = mult_frac(c->symbol_rate, rolloff, 100); in dtv_set_frontend()
2336 c->inversion = INVERSION_AUTO; in dtv_set_frontend()
2342 if (c->hierarchy == HIERARCHY_NONE && c->code_rate_LP == FEC_NONE) in dtv_set_frontend()
2343 c->code_rate_LP = FEC_AUTO; in dtv_set_frontend()
2347 fepriv->state = FESTATE_RETUNE; in dtv_set_frontend()
2350 fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; in dtv_set_frontend()
2355 fepriv->status = 0; in dtv_set_frontend()
2363 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_get_property()
2368 memcpy(&getp, &fe->dtv_property_cache, sizeof(getp)); in dvb_get_property()
2370 dev_dbg(fe->dvb->device, "%s: properties.num = %d\n", in dvb_get_property()
2371 __func__, tvps->num); in dvb_get_property()
2372 dev_dbg(fe->dvb->device, "%s: properties.props = %p\n", in dvb_get_property()
2373 __func__, tvps->props); in dvb_get_property()
2379 if (!tvps->num || tvps->num > DTV_IOCTL_MAX_MSGS) in dvb_get_property()
2380 return -EINVAL; in dvb_get_property()
2382 tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp)); in dvb_get_property()
2392 if (fepriv->state != FESTATE_IDLE) { in dvb_get_property()
2397 for (i = 0; i < tvps->num; i++) { in dvb_get_property()
2404 if (copy_to_user((void __user *)tvps->props, tvp, in dvb_get_property()
2405 tvps->num * sizeof(struct dtv_property))) { in dvb_get_property()
2406 err = -EFAULT; in dvb_get_property()
2427 memcpy(&getp, &fe->dtv_property_cache, sizeof(getp)); in dvb_get_frontend()
2435 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_handle_ioctl()
2436 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_handle_ioctl()
2437 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_handle_ioctl()
2438 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in dvb_frontend_handle_ioctl()
2439 int i, err = -ENOTSUPP; in dvb_frontend_handle_ioctl()
2441 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_handle_ioctl()
2448 dev_dbg(fe->dvb->device, "%s: properties.num = %d\n", in dvb_frontend_handle_ioctl()
2449 __func__, tvps->num); in dvb_frontend_handle_ioctl()
2450 dev_dbg(fe->dvb->device, "%s: properties.props = %p\n", in dvb_frontend_handle_ioctl()
2451 __func__, tvps->props); in dvb_frontend_handle_ioctl()
2457 if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) in dvb_frontend_handle_ioctl()
2458 return -EINVAL; in dvb_frontend_handle_ioctl()
2460 tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp)); in dvb_frontend_handle_ioctl()
2464 for (i = 0; i < tvps->num; i++) { in dvb_frontend_handle_ioctl()
2466 (tvp + i)->cmd, in dvb_frontend_handle_ioctl()
2467 (tvp + i)->u.data); in dvb_frontend_handle_ioctl()
2485 strscpy(info->name, fe->ops.info.name, sizeof(info->name)); in dvb_frontend_handle_ioctl()
2486 info->symbol_rate_min = fe->ops.info.symbol_rate_min; in dvb_frontend_handle_ioctl()
2487 info->symbol_rate_max = fe->ops.info.symbol_rate_max; in dvb_frontend_handle_ioctl()
2488 info->symbol_rate_tolerance = fe->ops.info.symbol_rate_tolerance; in dvb_frontend_handle_ioctl()
2489 info->caps = fe->ops.info.caps; in dvb_frontend_handle_ioctl()
2490 info->frequency_stepsize = dvb_frontend_get_stepsize(fe); in dvb_frontend_handle_ioctl()
2491 dvb_frontend_get_frequency_limits(fe, &info->frequency_min, in dvb_frontend_handle_ioctl()
2492 &info->frequency_max, in dvb_frontend_handle_ioctl()
2493 &info->frequency_tolerance); in dvb_frontend_handle_ioctl()
2500 * It should be noticed that, on multi-frontend devices with in dvb_frontend_handle_ioctl()
2506 switch (dvbv3_type(c->delivery_system)) { in dvb_frontend_handle_ioctl()
2508 info->type = FE_QPSK; in dvb_frontend_handle_ioctl()
2511 info->type = FE_ATSC; in dvb_frontend_handle_ioctl()
2514 info->type = FE_QAM; in dvb_frontend_handle_ioctl()
2517 info->type = FE_OFDM; in dvb_frontend_handle_ioctl()
2520 dev_err(fe->dvb->device, in dvb_frontend_handle_ioctl()
2522 __func__, c->delivery_system); in dvb_frontend_handle_ioctl()
2523 info->type = FE_OFDM; in dvb_frontend_handle_ioctl()
2525 dev_dbg(fe->dvb->device, "%s: current delivery system on cache: %d, V3 type: %d\n", in dvb_frontend_handle_ioctl()
2526 __func__, c->delivery_system, info->type); in dvb_frontend_handle_ioctl()
2529 if (!(fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT)) in dvb_frontend_handle_ioctl()
2530 info->caps |= FE_CAN_INVERSION_AUTO; in dvb_frontend_handle_ioctl()
2540 if (fepriv->state == FESTATE_RETUNE || in dvb_frontend_handle_ioctl()
2541 fepriv->state == FESTATE_ERROR) { in dvb_frontend_handle_ioctl()
2547 if (fe->ops.read_status) in dvb_frontend_handle_ioctl()
2548 err = fe->ops.read_status(fe, status); in dvb_frontend_handle_ioctl()
2553 if (fe->ops.diseqc_reset_overload) { in dvb_frontend_handle_ioctl()
2554 err = fe->ops.diseqc_reset_overload(fe); in dvb_frontend_handle_ioctl()
2555 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2556 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2561 if (fe->ops.diseqc_send_master_cmd) { in dvb_frontend_handle_ioctl()
2564 if (cmd->msg_len > sizeof(cmd->msg)) { in dvb_frontend_handle_ioctl()
2565 err = -EINVAL; in dvb_frontend_handle_ioctl()
2568 err = fe->ops.diseqc_send_master_cmd(fe, cmd); in dvb_frontend_handle_ioctl()
2569 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2570 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2575 if (fe->ops.diseqc_send_burst) { in dvb_frontend_handle_ioctl()
2576 err = fe->ops.diseqc_send_burst(fe, (long)parg); in dvb_frontend_handle_ioctl()
2577 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2578 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2583 if (fe->ops.set_tone) { in dvb_frontend_handle_ioctl()
2584 fepriv->tone = (long)parg; in dvb_frontend_handle_ioctl()
2585 err = fe->ops.set_tone(fe, fepriv->tone); in dvb_frontend_handle_ioctl()
2586 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2587 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2592 if (fe->ops.set_voltage) { in dvb_frontend_handle_ioctl()
2593 fepriv->voltage = (long)parg; in dvb_frontend_handle_ioctl()
2594 err = fe->ops.set_voltage(fe, fepriv->voltage); in dvb_frontend_handle_ioctl()
2595 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2596 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2601 if (fe->ops.diseqc_recv_slave_reply) in dvb_frontend_handle_ioctl()
2602 err = fe->ops.diseqc_recv_slave_reply(fe, parg); in dvb_frontend_handle_ioctl()
2606 if (fe->ops.enable_high_lnb_voltage) in dvb_frontend_handle_ioctl()
2607 err = fe->ops.enable_high_lnb_voltage(fe, (long)parg); in dvb_frontend_handle_ioctl()
2611 fepriv->tune_mode_flags = (unsigned long)parg; in dvb_frontend_handle_ioctl()
2617 if (fe->ops.dishnetwork_send_legacy_command) { in dvb_frontend_handle_ioctl()
2618 err = fe->ops.dishnetwork_send_legacy_command(fe, in dvb_frontend_handle_ioctl()
2620 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2621 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2622 } else if (fe->ops.set_voltage) { in dvb_frontend_handle_ioctl()
2630 * are controlled by sending 9-bit command words in dvb_frontend_handle_ioctl()
2654 fe->ops.set_voltage(fe, SEC_VOLTAGE_18); in dvb_frontend_handle_ioctl()
2662 fe->ops.set_voltage(fe, (last) ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18); in dvb_frontend_handle_ioctl()
2671 fe->dvb->num); in dvb_frontend_handle_ioctl()
2674 (int)ktime_us_delta(tv[i], tv[i - 1])); in dvb_frontend_handle_ioctl()
2677 fepriv->state = FESTATE_DISEQC; in dvb_frontend_handle_ioctl()
2678 fepriv->status = 0; in dvb_frontend_handle_ioctl()
2685 if (fe->ops.read_ber) { in dvb_frontend_handle_ioctl()
2686 if (fepriv->thread) in dvb_frontend_handle_ioctl()
2687 err = fe->ops.read_ber(fe, parg); in dvb_frontend_handle_ioctl()
2689 err = -EAGAIN; in dvb_frontend_handle_ioctl()
2694 if (fe->ops.read_signal_strength) { in dvb_frontend_handle_ioctl()
2695 if (fepriv->thread) in dvb_frontend_handle_ioctl()
2696 err = fe->ops.read_signal_strength(fe, parg); in dvb_frontend_handle_ioctl()
2698 err = -EAGAIN; in dvb_frontend_handle_ioctl()
2703 if (fe->ops.read_snr) { in dvb_frontend_handle_ioctl()
2704 if (fepriv->thread) in dvb_frontend_handle_ioctl()
2705 err = fe->ops.read_snr(fe, parg); in dvb_frontend_handle_ioctl()
2707 err = -EAGAIN; in dvb_frontend_handle_ioctl()
2712 if (fe->ops.read_ucblocks) { in dvb_frontend_handle_ioctl()
2713 if (fepriv->thread) in dvb_frontend_handle_ioctl()
2714 err = fe->ops.read_ucblocks(fe, parg); in dvb_frontend_handle_ioctl()
2716 err = -EAGAIN; in dvb_frontend_handle_ioctl()
2734 err = dvb_frontend_get_event(fe, parg, file->f_flags); in dvb_frontend_handle_ioctl()
2742 return -ENOTSUPP; in dvb_frontend_handle_ioctl()
2750 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_poll()
2751 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_poll()
2752 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_poll()
2754 dev_dbg_ratelimited(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_poll()
2756 poll_wait(file, &fepriv->events.wait_queue, wait); in dvb_frontend_poll()
2758 if (fepriv->events.eventw != fepriv->events.eventr) in dvb_frontend_poll()
2766 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_open()
2767 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_open()
2768 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_open()
2769 struct dvb_adapter *adapter = fe->dvb; in dvb_frontend_open()
2772 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_open()
2773 if (fe->exit == DVB_FE_DEVICE_REMOVED) in dvb_frontend_open()
2774 return -ENODEV; in dvb_frontend_open()
2776 if (adapter->mfe_shared == 2) { in dvb_frontend_open()
2777 mutex_lock(&adapter->mfe_lock); in dvb_frontend_open()
2778 if ((file->f_flags & O_ACCMODE) != O_RDONLY) { in dvb_frontend_open()
2779 if (adapter->mfe_dvbdev && in dvb_frontend_open()
2780 !adapter->mfe_dvbdev->writers) { in dvb_frontend_open()
2781 mutex_unlock(&adapter->mfe_lock); in dvb_frontend_open()
2782 return -EBUSY; in dvb_frontend_open()
2784 adapter->mfe_dvbdev = dvbdev; in dvb_frontend_open()
2786 } else if (adapter->mfe_shared) { in dvb_frontend_open()
2787 mutex_lock(&adapter->mfe_lock); in dvb_frontend_open()
2789 if (!adapter->mfe_dvbdev) in dvb_frontend_open()
2790 adapter->mfe_dvbdev = dvbdev; in dvb_frontend_open()
2792 else if (adapter->mfe_dvbdev != dvbdev) { in dvb_frontend_open()
2794 *mfedev = adapter->mfe_dvbdev; in dvb_frontend_open()
2796 *mfe = mfedev->priv; in dvb_frontend_open()
2798 *mfepriv = mfe->frontend_priv; in dvb_frontend_open()
2801 mutex_unlock(&adapter->mfe_lock); in dvb_frontend_open()
2802 while (mferetry-- && (mfedev->users != -1 || in dvb_frontend_open()
2803 mfepriv->thread)) { in dvb_frontend_open()
2806 return -EINTR; in dvb_frontend_open()
2810 mutex_lock(&adapter->mfe_lock); in dvb_frontend_open()
2811 if (adapter->mfe_dvbdev != dvbdev) { in dvb_frontend_open()
2812 mfedev = adapter->mfe_dvbdev; in dvb_frontend_open()
2813 mfe = mfedev->priv; in dvb_frontend_open()
2814 mfepriv = mfe->frontend_priv; in dvb_frontend_open()
2815 if (mfedev->users != -1 || in dvb_frontend_open()
2816 mfepriv->thread) { in dvb_frontend_open()
2817 mutex_unlock(&adapter->mfe_lock); in dvb_frontend_open()
2818 return -EBUSY; in dvb_frontend_open()
2820 adapter->mfe_dvbdev = dvbdev; in dvb_frontend_open()
2825 if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) { in dvb_frontend_open()
2826 if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0) in dvb_frontend_open()
2835 fepriv->reinitialise = 1; in dvb_frontend_open()
2841 if ((file->f_flags & O_ACCMODE) != O_RDONLY) { in dvb_frontend_open()
2842 /* normal tune mode when opened R/W */ in dvb_frontend_open()
2843 fepriv->tune_mode_flags &= ~FE_TUNE_MODE_ONESHOT; in dvb_frontend_open()
2844 fepriv->tone = -1; in dvb_frontend_open()
2845 fepriv->voltage = -1; in dvb_frontend_open()
2848 mutex_lock(&fe->dvb->mdev_lock); in dvb_frontend_open()
2849 if (fe->dvb->mdev) { in dvb_frontend_open()
2850 mutex_lock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_open()
2851 if (fe->dvb->mdev->enable_source) in dvb_frontend_open()
2852 ret = fe->dvb->mdev->enable_source( in dvb_frontend_open()
2853 dvbdev->entity, in dvb_frontend_open()
2854 &fepriv->pipe); in dvb_frontend_open()
2855 mutex_unlock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_open()
2857 mutex_unlock(&fe->dvb->mdev_lock); in dvb_frontend_open()
2858 dev_err(fe->dvb->device, in dvb_frontend_open()
2863 mutex_unlock(&fe->dvb->mdev_lock); in dvb_frontend_open()
2870 fepriv->events.eventr = fepriv->events.eventw = 0; in dvb_frontend_open()
2875 if (adapter->mfe_shared) in dvb_frontend_open()
2876 mutex_unlock(&adapter->mfe_lock); in dvb_frontend_open()
2881 mutex_lock(&fe->dvb->mdev_lock); in dvb_frontend_open()
2882 if (fe->dvb->mdev) { in dvb_frontend_open()
2883 mutex_lock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_open()
2884 if (fe->dvb->mdev->disable_source) in dvb_frontend_open()
2885 fe->dvb->mdev->disable_source(dvbdev->entity); in dvb_frontend_open()
2886 mutex_unlock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_open()
2888 mutex_unlock(&fe->dvb->mdev_lock); in dvb_frontend_open()
2893 if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) in dvb_frontend_open()
2894 fe->ops.ts_bus_ctrl(fe, 0); in dvb_frontend_open()
2896 if (adapter->mfe_shared) in dvb_frontend_open()
2897 mutex_unlock(&adapter->mfe_lock); in dvb_frontend_open()
2903 struct dvb_device *dvbdev = file->private_data; in dvb_frontend_release()
2904 struct dvb_frontend *fe = dvbdev->priv; in dvb_frontend_release()
2905 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_release()
2908 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_frontend_release()
2910 if ((file->f_flags & O_ACCMODE) != O_RDONLY) { in dvb_frontend_release()
2911 fepriv->release_jiffies = jiffies; in dvb_frontend_release()
2917 if (dvbdev->users == -1) { in dvb_frontend_release()
2918 wake_up(&fepriv->wait_queue); in dvb_frontend_release()
2920 mutex_lock(&fe->dvb->mdev_lock); in dvb_frontend_release()
2921 if (fe->dvb->mdev) { in dvb_frontend_release()
2922 mutex_lock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_release()
2923 if (fe->dvb->mdev->disable_source) in dvb_frontend_release()
2924 fe->dvb->mdev->disable_source(dvbdev->entity); in dvb_frontend_release()
2925 mutex_unlock(&fe->dvb->mdev->graph_mutex); in dvb_frontend_release()
2927 mutex_unlock(&fe->dvb->mdev_lock); in dvb_frontend_release()
2929 if (fe->exit != DVB_FE_NO_EXIT) in dvb_frontend_release()
2930 wake_up(&dvbdev->wait_queue); in dvb_frontend_release()
2931 if (fe->ops.ts_bus_ctrl) in dvb_frontend_release()
2932 fe->ops.ts_bus_ctrl(fe, 0); in dvb_frontend_release()
2956 dev_dbg(fe->dvb->device, "%s: adap=%d fe=%d\n", __func__, fe->dvb->num, in dvb_frontend_suspend()
2957 fe->id); in dvb_frontend_suspend()
2959 if (fe->ops.tuner_ops.suspend) in dvb_frontend_suspend()
2960 ret = fe->ops.tuner_ops.suspend(fe); in dvb_frontend_suspend()
2961 else if (fe->ops.tuner_ops.sleep) in dvb_frontend_suspend()
2962 ret = fe->ops.tuner_ops.sleep(fe); in dvb_frontend_suspend()
2964 if (fe->ops.suspend) in dvb_frontend_suspend()
2965 ret = fe->ops.suspend(fe); in dvb_frontend_suspend()
2966 else if (fe->ops.sleep) in dvb_frontend_suspend()
2967 ret = fe->ops.sleep(fe); in dvb_frontend_suspend()
2975 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_frontend_resume()
2978 dev_dbg(fe->dvb->device, "%s: adap=%d fe=%d\n", __func__, fe->dvb->num, in dvb_frontend_resume()
2979 fe->id); in dvb_frontend_resume()
2981 fe->exit = DVB_FE_DEVICE_RESUME; in dvb_frontend_resume()
2982 if (fe->ops.resume) in dvb_frontend_resume()
2983 ret = fe->ops.resume(fe); in dvb_frontend_resume()
2984 else if (fe->ops.init) in dvb_frontend_resume()
2985 ret = fe->ops.init(fe); in dvb_frontend_resume()
2987 if (fe->ops.tuner_ops.resume) in dvb_frontend_resume()
2988 ret = fe->ops.tuner_ops.resume(fe); in dvb_frontend_resume()
2989 else if (fe->ops.tuner_ops.init) in dvb_frontend_resume()
2990 ret = fe->ops.tuner_ops.init(fe); in dvb_frontend_resume()
2992 if (fe->ops.set_tone && fepriv->tone != -1) in dvb_frontend_resume()
2993 fe->ops.set_tone(fe, fepriv->tone); in dvb_frontend_resume()
2994 if (fe->ops.set_voltage && fepriv->voltage != -1) in dvb_frontend_resume()
2995 fe->ops.set_voltage(fe, fepriv->voltage); in dvb_frontend_resume()
2997 fe->exit = DVB_FE_NO_EXIT; in dvb_frontend_resume()
2998 fepriv->state = FESTATE_RETUNE; in dvb_frontend_resume()
3012 .readers = (~0) - 1, in dvb_register_frontend()
3015 .name = fe->ops.info.name, in dvb_register_frontend()
3020 dev_dbg(dvb->device, "%s:\n", __func__); in dvb_register_frontend()
3023 return -ERESTARTSYS; in dvb_register_frontend()
3025 fe->frontend_priv = kzalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL); in dvb_register_frontend()
3026 if (!fe->frontend_priv) { in dvb_register_frontend()
3028 return -ENOMEM; in dvb_register_frontend()
3030 fepriv = fe->frontend_priv; in dvb_register_frontend()
3032 kref_init(&fe->refcount); in dvb_register_frontend()
3041 sema_init(&fepriv->sem, 1); in dvb_register_frontend()
3042 init_waitqueue_head(&fepriv->wait_queue); in dvb_register_frontend()
3043 init_waitqueue_head(&fepriv->events.wait_queue); in dvb_register_frontend()
3044 mutex_init(&fepriv->events.mtx); in dvb_register_frontend()
3045 fe->dvb = dvb; in dvb_register_frontend()
3046 fepriv->inversion = INVERSION_OFF; in dvb_register_frontend()
3048 dev_info(fe->dvb->device, in dvb_register_frontend()
3050 fe->dvb->num, fe->id, fe->ops.info.name); in dvb_register_frontend()
3052 ret = dvb_register_device(fe->dvb, &fepriv->dvbdev, &dvbdev_template, in dvb_register_frontend()
3062 * first supported delivery system (ops->delsys[0]) in dvb_register_frontend()
3065 fe->dtv_property_cache.delivery_system = fe->ops.delsys[0]; in dvb_register_frontend()
3075 struct dvb_frontend_private *fepriv = fe->frontend_priv; in dvb_unregister_frontend()
3077 dev_dbg(fe->dvb->device, "%s:\n", __func__); in dvb_unregister_frontend()
3081 dvb_remove_device(fepriv->dvbdev); in dvb_unregister_frontend()
3103 dvb_frontend_invoke_release(fe, fe->ops.release_sec); in dvb_frontend_detach()
3104 dvb_frontend_invoke_release(fe, fe->ops.tuner_ops.release); in dvb_frontend_detach()
3105 dvb_frontend_invoke_release(fe, fe->ops.analog_ops.release); in dvb_frontend_detach()