3     tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner
28 static int tda18271_toggle_output(struct dvb_frontend *fe, int standby)  in tda18271_toggle_output()  argument
30 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_toggle_output()
32 	int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0,  in tda18271_toggle_output()
49 static inline int charge_pump_source(struct dvb_frontend *fe, int force)  in charge_pump_source()  argument
51 	struct tda18271_priv *priv = fe->tuner_priv;  in charge_pump_source()
52 	return tda18271_charge_pump_source(fe,  in charge_pump_source()
58 static inline void tda18271_set_if_notch(struct dvb_frontend *fe)  in tda18271_set_if_notch()  argument
60 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_set_if_notch()
73 static int tda18271_channel_configuration(struct dvb_frontend *fe,  in tda18271_channel_configuration()  argument
77 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_channel_configuration()
107 	ret = tda18271_write_regs(fe, R_EB22, 1);  in tda18271_channel_configuration()
121 	tda18271_calc_ir_measure(fe, &freq);  in tda18271_channel_configuration()
123 	tda18271_calc_bp_filter(fe, &freq);  in tda18271_channel_configuration()
125 	tda18271_calc_rf_band(fe, &freq);  in tda18271_channel_configuration()
127 	tda18271_calc_gain_taper(fe, &freq);  in tda18271_channel_configuration()
148 	ret = tda18271_write_regs(fe, R_EB1, 1);  in tda18271_channel_configuration()
158 		tda18271_calc_main_pll(fe, N);  in tda18271_channel_configuration()
159 		tda18271_set_if_notch(fe);  in tda18271_channel_configuration()
160 		tda18271_write_regs(fe, R_MPD, 4);  in tda18271_channel_configuration()
163 		tda18271_calc_cal_pll(fe, N);  in tda18271_channel_configuration()
164 		tda18271_write_regs(fe, R_CPD, 4);  in tda18271_channel_configuration()
167 		tda18271_set_if_notch(fe);  in tda18271_channel_configuration()
168 		tda18271_write_regs(fe, R_MPD, 1);  in tda18271_channel_configuration()
172 	ret = tda18271_write_regs(fe, R_TM, 7);  in tda18271_channel_configuration()
177 	charge_pump_source(fe, 1);  in tda18271_channel_configuration()
182 	charge_pump_source(fe, 0);  in tda18271_channel_configuration()
192 		ret = tda18271_write_regs(fe, R_EP3, 1);  in tda18271_channel_configuration()
198 static int tda18271_read_thermometer(struct dvb_frontend *fe)  in tda18271_read_thermometer()  argument
200 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_read_thermometer()
206 	tda18271_write_regs(fe, R_TM, 1);  in tda18271_read_thermometer()
209 	tda18271_read_regs(fe);  in tda18271_read_thermometer()
219 		tda18271_write_regs(fe, R_TM, 1);  in tda18271_read_thermometer()
224 		tda18271_read_regs(fe);  in tda18271_read_thermometer()
227 	tm = tda18271_lookup_thermometer(fe);  in tda18271_read_thermometer()
231 	tda18271_write_regs(fe, R_TM, 1);  in tda18271_read_thermometer()
235 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271_read_thermometer()
242 static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,  in tda18271c2_rf_tracking_filters_correction()  argument
245 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271c2_rf_tracking_filters_correction()
253 	ret = tda18271_set_standby_mode(fe, 0, 0, 0);  in tda18271c2_rf_tracking_filters_correction()
258 	tm_current = tda18271_read_thermometer(fe);  in tda18271c2_rf_tracking_filters_correction()
262 	tda18271_calc_rf_cal(fe, &freq);  in tda18271c2_rf_tracking_filters_correction()
265 	i = tda18271_lookup_rf_band(fe, &freq, NULL);  in tda18271c2_rf_tracking_filters_correction()
282 	tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt);  in tda18271c2_rf_tracking_filters_correction()
288 	ret = tda18271_write_regs(fe, R_EB14, 1);  in tda18271c2_rf_tracking_filters_correction()
293 static int tda18271_por(struct dvb_frontend *fe)  in tda18271_por()  argument
295 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_por()
301 	ret = tda18271_write_regs(fe, R_EB12, 1);  in tda18271_por()
307 	ret = tda18271_write_regs(fe, R_EB18, 1);  in tda18271_por()
314 	ret = tda18271_set_standby_mode(fe, 1, 0, 0);  in tda18271_por()
321 	ret = tda18271_write_regs(fe, R_EB21, 3);  in tda18271_por()
326 static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)  in tda18271_calibrate_rf()  argument
328 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_calibrate_rf()
334 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271_calibrate_rf()
340 	tda18271_write_regs(fe, R_EB18, 1);  in tda18271_calibrate_rf()
344 	tda18271_calc_bp_filter(fe, &freq);  in tda18271_calibrate_rf()
345 	tda18271_calc_gain_taper(fe, &freq);  in tda18271_calibrate_rf()
346 	tda18271_calc_rf_band(fe, &freq);  in tda18271_calibrate_rf()
347 	tda18271_calc_km(fe, &freq);  in tda18271_calibrate_rf()
349 	tda18271_write_regs(fe, R_EP1, 3);  in tda18271_calibrate_rf()
350 	tda18271_write_regs(fe, R_EB13, 1);  in tda18271_calibrate_rf()
353 	tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);  in tda18271_calibrate_rf()
356 	tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);  in tda18271_calibrate_rf()
360 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271_calibrate_rf()
364 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271_calibrate_rf()
368 	tda18271_write_regs(fe, R_EP4, 2);  in tda18271_calibrate_rf()
375 	tda18271_calc_cal_pll(fe, N);  in tda18271_calibrate_rf()
376 	tda18271_write_regs(fe, R_CPD, 4);  in tda18271_calibrate_rf()
381 	tda18271_calc_main_pll(fe, N);  in tda18271_calibrate_rf()
382 	tda18271_write_regs(fe, R_MPD, 4);  in tda18271_calibrate_rf()
386 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_calibrate_rf()
387 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271_calibrate_rf()
388 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_calibrate_rf()
389 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271_calibrate_rf()
394 	tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);  in tda18271_calibrate_rf()
397 	tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);  in tda18271_calibrate_rf()
403 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271_calibrate_rf()
416 	tda18271_write_regs(fe, R_EB18, 1);  in tda18271_calibrate_rf()
418 	tda18271_write_regs(fe, R_EP3, 2);  in tda18271_calibrate_rf()
421 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271_calibrate_rf()
424 	tda18271_read_extended(fe);  in tda18271_calibrate_rf()
429 static int tda18271_powerscan(struct dvb_frontend *fe,  in tda18271_powerscan()  argument
432 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_powerscan()
441 	tda18271_calc_rf_band(fe, &freq);  in tda18271_powerscan()
442 	tda18271_calc_rf_cal(fe, &freq);  in tda18271_powerscan()
443 	tda18271_calc_gain_taper(fe, &freq);  in tda18271_powerscan()
444 	tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit);  in tda18271_powerscan()
446 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
447 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271_powerscan()
452 	tda18271_calc_main_pll(fe, freq);  in tda18271_powerscan()
453 	tda18271_write_regs(fe, R_MPD, 4);  in tda18271_powerscan()
460 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271_powerscan()
463 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
466 	ret = tda18271_read_extended(fe);  in tda18271_powerscan()
481 		tda18271_calc_main_pll(fe, freq);  in tda18271_powerscan()
482 		tda18271_write_regs(fe, R_MPD, 4);  in tda18271_powerscan()
491 		tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
494 		ret = tda18271_read_extended(fe);  in tda18271_powerscan()
523 static int tda18271_powerscan_init(struct dvb_frontend *fe)  in tda18271_powerscan_init()  argument
525 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_powerscan_init()
539 	ret = tda18271_write_regs(fe, R_EP3, 2);  in tda18271_powerscan_init()
544 	ret = tda18271_write_regs(fe, R_EB18, 1);  in tda18271_powerscan_init()
554 	ret = tda18271_write_regs(fe, R_EB21, 3);  in tda18271_powerscan_init()
559 static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)  in tda18271_rf_tracking_filters_init()  argument
561 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_rf_tracking_filters_init()
574 	i = tda18271_lookup_rf_band(fe, &freq, NULL);  in tda18271_rf_tracking_filters_init()
589 		bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
593 		tda18271_calc_rf_cal(fe, &rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
598 				(s32)tda18271_calibrate_rf(fe, rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
631 static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)  in tda18271_calc_rf_filter_curve()  argument
633 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_calc_rf_filter_curve()
642 	ret = tda18271_powerscan_init(fe);  in tda18271_calc_rf_filter_curve()
649 		tda18271_rf_tracking_filters_init(fe, 1000 *  in tda18271_calc_rf_filter_curve()
655 	priv->tm_rfcal = tda18271_read_thermometer(fe);  in tda18271_calc_rf_filter_curve()
662 static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)  in tda18271c2_rf_cal_init()  argument
664 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271c2_rf_cal_init()
675 	ret = tda18271_calc_rf_filter_curve(fe);  in tda18271c2_rf_cal_init()
679 	ret = tda18271_por(fe);  in tda18271c2_rf_cal_init()
693 static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,  in tda18271c1_rf_tracking_filter_calibration()  argument
696 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271c1_rf_tracking_filter_calibration()
702 	tda18271_calc_bp_filter(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
703 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
707 	tda18271_write_regs(fe, R_EB4, 1);  in tda18271c1_rf_tracking_filter_calibration()
710 	tda18271_write_regs(fe, R_EB7, 1);  in tda18271c1_rf_tracking_filter_calibration()
713 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271c1_rf_tracking_filter_calibration()
716 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271c1_rf_tracking_filter_calibration()
732 	tda18271_calc_cal_pll(fe, N);  in tda18271c1_rf_tracking_filter_calibration()
745 	tda18271_calc_main_pll(fe, N);  in tda18271c1_rf_tracking_filter_calibration()
747 	ret = tda18271_write_regs(fe, R_EP3, 11);  in tda18271c1_rf_tracking_filter_calibration()
754 	tda18271_calc_km(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
755 	tda18271_write_regs(fe, R_EB13, 1);  in tda18271c1_rf_tracking_filter_calibration()
758 	tda18271_calc_rf_band(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
761 	tda18271_calc_gain_taper(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
763 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271c1_rf_tracking_filter_calibration()
764 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
765 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271c1_rf_tracking_filter_calibration()
766 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
770 	tda18271_write_regs(fe, R_EB4, 1);  in tda18271c1_rf_tracking_filter_calibration()
773 	tda18271_write_regs(fe, R_EB7, 1);  in tda18271c1_rf_tracking_filter_calibration()
777 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271c1_rf_tracking_filter_calibration()
781 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271c1_rf_tracking_filter_calibration()
783 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
786 	if (0 == tda18271_calc_rf_cal(fe, &freq))  in tda18271c1_rf_tracking_filter_calibration()
787 		tda18271_write_regs(fe, R_EB14, 1);  in tda18271c1_rf_tracking_filter_calibration()
794 static int tda18271_ir_cal_init(struct dvb_frontend *fe)  in tda18271_ir_cal_init()  argument
796 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_ir_cal_init()
800 	ret = tda18271_read_regs(fe);  in tda18271_ir_cal_init()
806 		ret = tda18271_init_regs(fe);  in tda18271_ir_cal_init()
811 static int tda18271_init(struct dvb_frontend *fe)  in tda18271_init()  argument
813 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_init()
819 	ret = tda18271_set_standby_mode(fe, 0, 0, 0);  in tda18271_init()
824 	ret = tda18271_ir_cal_init(fe);  in tda18271_init()
829 		tda18271c2_rf_cal_init(fe);  in tda18271_init()
836 static int tda18271_sleep(struct dvb_frontend *fe)  in tda18271_sleep()  argument
838 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_sleep()
844 	ret = tda18271_toggle_output(fe, 1);  in tda18271_sleep()
853 static int tda18271_agc(struct dvb_frontend *fe)  in tda18271_agc()  argument
855 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_agc()
867 		if (fe->callback)  in tda18271_agc()
868 			ret = fe->callback(priv->i2c_props.adap->algo_data,  in tda18271_agc()
884 static int tda18271_tune(struct dvb_frontend *fe,  in tda18271_tune()  argument
887 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_tune()
893 	ret = tda18271_agc(fe);  in tda18271_tune()
897 	ret = tda18271_init(fe);  in tda18271_tune()
905 		tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);  in tda18271_tune()
908 		tda18271c2_rf_tracking_filters_correction(fe, freq);  in tda18271_tune()
911 	ret = tda18271_channel_configuration(fe, map, freq, bw);  in tda18271_tune()
920 static int tda18271_set_params(struct dvb_frontend *fe)  in tda18271_set_params()  argument
922 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in tda18271_set_params()
926 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_set_params()
968 	if (fe->ops.analog_ops.standby)  in tda18271_set_params()
969 		fe->ops.analog_ops.standby(fe);  in tda18271_set_params()
971 	ret = tda18271_tune(fe, map, freq, bw);  in tda18271_set_params()
983 static int tda18271_set_analog_params(struct dvb_frontend *fe,  in tda18271_set_analog_params()  argument
986 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_set_analog_params()
1027 	ret = tda18271_tune(fe, map, freq, 0);  in tda18271_set_analog_params()
1039 static void tda18271_release(struct dvb_frontend *fe)  in tda18271_release()  argument
1041 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_release()
1050 	fe->tuner_priv = NULL;  in tda18271_release()
1053 static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)  in tda18271_get_frequency()  argument
1055 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_frequency()
1060 static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)  in tda18271_get_bandwidth()  argument
1062 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_bandwidth()
1067 static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)  in tda18271_get_if_frequency()  argument
1069 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_if_frequency()
1093 static int tda18271_dump_std_map(struct dvb_frontend *fe)  in tda18271_dump_std_map()  argument
1095 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_dump_std_map()
1118 static int tda18271_update_std_map(struct dvb_frontend *fe,  in tda18271_update_std_map()  argument
1121 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_update_std_map()
1146 static int tda18271_get_id(struct dvb_frontend *fe)  in tda18271_get_id()  argument
1148 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_id()
1154 	ret = tda18271_read_regs(fe);  in tda18271_get_id()
1186 static int tda18271_setup_configuration(struct dvb_frontend *fe,  in tda18271_setup_configuration()  argument
1189 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_setup_configuration()
1212 static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)  in tda18271_set_config()  argument
1216 	tda18271_setup_configuration(fe, cfg);  in tda18271_set_config()
1219 		tda18271_init(fe);  in tda18271_set_config()
1223 		tda18271_update_std_map(fe, cfg->std_map);  in tda18271_set_config()
1246 struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,  in tda18271_attach()  argument
1263 		fe->tuner_priv = priv;  in tda18271_attach()
1265 		tda18271_setup_configuration(fe, cfg);  in tda18271_attach()
1270 		ret = tda18271_get_id(fe);  in tda18271_attach()
1274 		ret = tda18271_assign_map_layout(fe);  in tda18271_attach()
1284 		tda18271_init_regs(fe);  in tda18271_attach()
1288 			tda18271c2_rf_cal_init(fe);  in tda18271_attach()
1291 		ret = tda18271_toggle_output(fe, 1);  in tda18271_attach()
1298 		fe->tuner_priv = priv;  in tda18271_attach()
1313 				tda18271_update_std_map(fe, cfg->std_map);  in tda18271_attach()
1316 			tda18271_init(fe);  in tda18271_attach()
1322 		tda18271_update_std_map(fe, cfg->std_map);  in tda18271_attach()
1326 	memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,  in tda18271_attach()
1330 		tda18271_dump_std_map(fe);  in tda18271_attach()
1332 	return fe;  in tda18271_attach()
1336 	tda18271_release(fe);  in tda18271_attach()