Cross Reference: /src/sys/dev/pci/bktr/bktr

Lines Matching refs:frequency
294  *	entry 1:         IF frequency
304  *	int 1:		frequency of base channel,
306  *	int 2:		offset frequency between channels,
728  *             IF is the Intermediate Frequency (the offset from the base
733  * Strangely enough, there is an IF (intermediate frequency) for
743  * Now we need to set the PLL on the tuner to the required frequency.
772  * set the frequency of the tuner
773  * If 'type' is TV_FREQUENCY, the frequency is freq MHz*16
774  * If 'type' is FM_RADIO_FREQUENCY, the frequency is freq MHz * 100
779 tv_freq(bktr_ptr_t bktr, int frequency, int type)
797 		 * select the band based on frequency
799 		if (frequency < (tuner->bandLimits[0] * FREQFACTOR))
801 		else if (frequency < (tuner->bandLimits[1] * FREQFACTOR))
808 			frequency -= 4;
816 		 * fortunately, frequency is passed in as MHz * 16
817 		 * and the TBL_IF frequency is also stored in MHz * 16
819 		N = frequency + TBL_IF;
829 		if (frequency > bktr->tuner.frequency) {
841 			oldFrequency = frequency;
844 			    /* AFC failed, restore requested frequency */
845 			    N = frequency + TBL_IF;
853 			    frequency = N - TBL_IF;
855  printf("%s: do_afc: returned freq %d (%d %% %d)\n", bktr_name(bktr), frequency, frequency / 16, frequency % 16);
856 			    afcDelta = frequency - oldFrequency;
862 		bktr->tuner.frequency = frequency;
874 		 * frequency is passed in as MHz * 100
876 		 * So, we have N = (frequency/100 + 10.70)  /(50/1000)
878 		N = (frequency + 1070)/5;
895 		bktr->tuner.frequency = (N * 5) - 1070;
911 do_afc(bktr_ptr_t bktr, int addr, int frequency)
917 	origFrequency = frequency;
926  printf("%s: Original freq: %d, status: 0x%02x\n", bktr_name(bktr), frequency, status);
941  printf("%s: Centered, freq: %d, status: 0x%02x\n", bktr_name(bktr), frequency, status);
943 			return(frequency);
948  printf("%s: Low, freq: %d, status: 0x%02x\n", bktr_name(bktr), frequency, status);
950 			--frequency;
956  printf("%s: Hi, freq: %d, status: 0x%02x\n", bktr_name(bktr), frequency, status);
958 			++frequency;
963 			  (frequency>>8) & 0x7f, frequency & 0xff);
990 	int frequency;
992 	/* calculate the frequency according to tuner type */
993 	if ((frequency = frequency_lookup(bktr, channel)) < 0)
996 	/* set the new frequency */
997 	if (tv_freq(bktr, frequency, TV_FREQUENCY) < 0)
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