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 	ret = tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt);  in tda18271c2_rf_tracking_filters_correction()
290 	ret = tda18271_write_regs(fe, R_EB14, 1);  in tda18271c2_rf_tracking_filters_correction()
295 static int tda18271_por(struct dvb_frontend *fe)  in tda18271_por()  argument
297 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_por()
303 	ret = tda18271_write_regs(fe, R_EB12, 1);  in tda18271_por()
309 	ret = tda18271_write_regs(fe, R_EB18, 1);  in tda18271_por()
316 	ret = tda18271_set_standby_mode(fe, 1, 0, 0);  in tda18271_por()
323 	ret = tda18271_write_regs(fe, R_EB21, 3);  in tda18271_por()
328 static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)  in tda18271_calibrate_rf()  argument
330 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_calibrate_rf()
336 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271_calibrate_rf()
342 	tda18271_write_regs(fe, R_EB18, 1);  in tda18271_calibrate_rf()
346 	tda18271_calc_bp_filter(fe, &freq);  in tda18271_calibrate_rf()
347 	tda18271_calc_gain_taper(fe, &freq);  in tda18271_calibrate_rf()
348 	tda18271_calc_rf_band(fe, &freq);  in tda18271_calibrate_rf()
349 	tda18271_calc_km(fe, &freq);  in tda18271_calibrate_rf()
351 	tda18271_write_regs(fe, R_EP1, 3);  in tda18271_calibrate_rf()
352 	tda18271_write_regs(fe, R_EB13, 1);  in tda18271_calibrate_rf()
355 	tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);  in tda18271_calibrate_rf()
358 	tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);  in tda18271_calibrate_rf()
362 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271_calibrate_rf()
366 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271_calibrate_rf()
370 	tda18271_write_regs(fe, R_EP4, 2);  in tda18271_calibrate_rf()
377 	tda18271_calc_cal_pll(fe, N);  in tda18271_calibrate_rf()
378 	tda18271_write_regs(fe, R_CPD, 4);  in tda18271_calibrate_rf()
383 	tda18271_calc_main_pll(fe, N);  in tda18271_calibrate_rf()
384 	tda18271_write_regs(fe, R_MPD, 4);  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()
390 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_calibrate_rf()
391 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271_calibrate_rf()
396 	tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);  in tda18271_calibrate_rf()
399 	tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);  in tda18271_calibrate_rf()
405 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271_calibrate_rf()
418 	tda18271_write_regs(fe, R_EB18, 1);  in tda18271_calibrate_rf()
420 	tda18271_write_regs(fe, R_EP3, 2);  in tda18271_calibrate_rf()
423 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271_calibrate_rf()
426 	tda18271_read_extended(fe);  in tda18271_calibrate_rf()
431 static int tda18271_powerscan(struct dvb_frontend *fe,  in tda18271_powerscan()  argument
434 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_powerscan()
443 	tda18271_calc_rf_band(fe, &freq);  in tda18271_powerscan()
444 	tda18271_calc_rf_cal(fe, &freq);  in tda18271_powerscan()
445 	tda18271_calc_gain_taper(fe, &freq);  in tda18271_powerscan()
446 	tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit);  in tda18271_powerscan()
448 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
449 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271_powerscan()
454 	tda18271_calc_main_pll(fe, freq);  in tda18271_powerscan()
455 	tda18271_write_regs(fe, R_MPD, 4);  in tda18271_powerscan()
462 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271_powerscan()
465 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
468 	ret = tda18271_read_extended(fe);  in tda18271_powerscan()
482 		tda18271_calc_main_pll(fe, freq);  in tda18271_powerscan()
483 		tda18271_write_regs(fe, R_MPD, 4);  in tda18271_powerscan()
492 		tda18271_write_regs(fe, R_EP2, 1);  in tda18271_powerscan()
495 		ret = tda18271_read_extended(fe);  in tda18271_powerscan()
524 static int tda18271_powerscan_init(struct dvb_frontend *fe)  in tda18271_powerscan_init()  argument
526 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_powerscan_init()
540 	ret = tda18271_write_regs(fe, R_EP3, 2);  in tda18271_powerscan_init()
545 	ret = tda18271_write_regs(fe, R_EB18, 1);  in tda18271_powerscan_init()
555 	ret = tda18271_write_regs(fe, R_EB21, 3);  in tda18271_powerscan_init()
560 static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)  in tda18271_rf_tracking_filters_init()  argument
562 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_rf_tracking_filters_init()
575 	i = tda18271_lookup_rf_band(fe, &freq, NULL);  in tda18271_rf_tracking_filters_init()
590 		bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
594 		tda18271_calc_rf_cal(fe, &rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
599 				(s32)tda18271_calibrate_rf(fe, rf_freq[rf]);  in tda18271_rf_tracking_filters_init()
632 static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)  in tda18271_calc_rf_filter_curve()  argument
634 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_calc_rf_filter_curve()
643 	ret = tda18271_powerscan_init(fe);  in tda18271_calc_rf_filter_curve()
650 		tda18271_rf_tracking_filters_init(fe, 1000 *  in tda18271_calc_rf_filter_curve()
656 	priv->tm_rfcal = tda18271_read_thermometer(fe);  in tda18271_calc_rf_filter_curve()
663 static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)  in tda18271c2_rf_cal_init()  argument
665 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271c2_rf_cal_init()
676 	ret = tda18271_calc_rf_filter_curve(fe);  in tda18271c2_rf_cal_init()
680 	ret = tda18271_por(fe);  in tda18271c2_rf_cal_init()
694 static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,  in tda18271c1_rf_tracking_filter_calibration()  argument
697 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271c1_rf_tracking_filter_calibration()
703 	tda18271_calc_bp_filter(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
704 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
708 	tda18271_write_regs(fe, R_EB4, 1);  in tda18271c1_rf_tracking_filter_calibration()
711 	tda18271_write_regs(fe, R_EB7, 1);  in tda18271c1_rf_tracking_filter_calibration()
714 	tda18271_write_regs(fe, R_EB14, 1);  in tda18271c1_rf_tracking_filter_calibration()
717 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271c1_rf_tracking_filter_calibration()
733 	tda18271_calc_cal_pll(fe, N);  in tda18271c1_rf_tracking_filter_calibration()
746 	tda18271_calc_main_pll(fe, N);  in tda18271c1_rf_tracking_filter_calibration()
748 	ret = tda18271_write_regs(fe, R_EP3, 11);  in tda18271c1_rf_tracking_filter_calibration()
755 	tda18271_calc_km(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
756 	tda18271_write_regs(fe, R_EB13, 1);  in tda18271c1_rf_tracking_filter_calibration()
759 	tda18271_calc_rf_band(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
762 	tda18271_calc_gain_taper(fe, &freq);  in tda18271c1_rf_tracking_filter_calibration()
764 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271c1_rf_tracking_filter_calibration()
765 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
766 	tda18271_write_regs(fe, R_EP2, 1);  in tda18271c1_rf_tracking_filter_calibration()
767 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
771 	tda18271_write_regs(fe, R_EB4, 1);  in tda18271c1_rf_tracking_filter_calibration()
774 	tda18271_write_regs(fe, R_EB7, 1);  in tda18271c1_rf_tracking_filter_calibration()
778 	tda18271_write_regs(fe, R_EB20, 1);  in tda18271c1_rf_tracking_filter_calibration()
782 	tda18271_write_regs(fe, R_EP4, 1);  in tda18271c1_rf_tracking_filter_calibration()
784 	tda18271_write_regs(fe, R_EP1, 1);  in tda18271c1_rf_tracking_filter_calibration()
787 	if (0 == tda18271_calc_rf_cal(fe, &freq))  in tda18271c1_rf_tracking_filter_calibration()
788 		tda18271_write_regs(fe, R_EB14, 1);  in tda18271c1_rf_tracking_filter_calibration()
795 static int tda18271_ir_cal_init(struct dvb_frontend *fe)  in tda18271_ir_cal_init()  argument
797 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_ir_cal_init()
801 	ret = tda18271_read_regs(fe);  in tda18271_ir_cal_init()
807 		ret = tda18271_init_regs(fe);  in tda18271_ir_cal_init()
812 static int tda18271_init(struct dvb_frontend *fe)  in tda18271_init()  argument
814 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_init()
820 	ret = tda18271_set_standby_mode(fe, 0, 0, 0);  in tda18271_init()
825 	ret = tda18271_ir_cal_init(fe);  in tda18271_init()
830 		tda18271c2_rf_cal_init(fe);  in tda18271_init()
837 static int tda18271_sleep(struct dvb_frontend *fe)  in tda18271_sleep()  argument
839 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_sleep()
845 	ret = tda18271_toggle_output(fe, 1);  in tda18271_sleep()
854 static int tda18271_agc(struct dvb_frontend *fe)  in tda18271_agc()  argument
856 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_agc()
868 		if (fe->callback)  in tda18271_agc()
869 			ret = fe->callback(priv->i2c_props.adap->algo_data,  in tda18271_agc()
885 static int tda18271_tune(struct dvb_frontend *fe,  in tda18271_tune()  argument
888 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_tune()
894 	ret = tda18271_agc(fe);  in tda18271_tune()
898 	ret = tda18271_init(fe);  in tda18271_tune()
906 		tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);  in tda18271_tune()
909 		tda18271c2_rf_tracking_filters_correction(fe, freq);  in tda18271_tune()
912 	ret = tda18271_channel_configuration(fe, map, freq, bw);  in tda18271_tune()
921 static int tda18271_set_params(struct dvb_frontend *fe)  in tda18271_set_params()  argument
923 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in tda18271_set_params()
927 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_set_params()
969 	if (fe->ops.analog_ops.standby)  in tda18271_set_params()
970 		fe->ops.analog_ops.standby(fe);  in tda18271_set_params()
972 	ret = tda18271_tune(fe, map, freq, bw);  in tda18271_set_params()
984 static int tda18271_set_analog_params(struct dvb_frontend *fe,  in tda18271_set_analog_params()  argument
987 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_set_analog_params()
1028 	ret = tda18271_tune(fe, map, freq, 0);  in tda18271_set_analog_params()
1040 static void tda18271_release(struct dvb_frontend *fe)  in tda18271_release()  argument
1042 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_release()
1051 	fe->tuner_priv = NULL;  in tda18271_release()
1054 static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)  in tda18271_get_frequency()  argument
1056 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_frequency()
1061 static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)  in tda18271_get_bandwidth()  argument
1063 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_bandwidth()
1068 static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)  in tda18271_get_if_frequency()  argument
1070 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_if_frequency()
1094 static int tda18271_dump_std_map(struct dvb_frontend *fe)  in tda18271_dump_std_map()  argument
1096 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_dump_std_map()
1119 static int tda18271_update_std_map(struct dvb_frontend *fe,  in tda18271_update_std_map()  argument
1122 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_update_std_map()
1147 static int tda18271_get_id(struct dvb_frontend *fe)  in tda18271_get_id()  argument
1149 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_get_id()
1155 	ret = tda18271_read_regs(fe);  in tda18271_get_id()
1187 static int tda18271_setup_configuration(struct dvb_frontend *fe,  in tda18271_setup_configuration()  argument
1190 	struct tda18271_priv *priv = fe->tuner_priv;  in tda18271_setup_configuration()
1213 static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)  in tda18271_set_config()  argument
1217 	tda18271_setup_configuration(fe, cfg);  in tda18271_set_config()
1220 		tda18271_init(fe);  in tda18271_set_config()
1224 		tda18271_update_std_map(fe, cfg->std_map);  in tda18271_set_config()
1247 struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,  in tda18271_attach()  argument
1264 		fe->tuner_priv = priv;  in tda18271_attach()
1266 		tda18271_setup_configuration(fe, cfg);  in tda18271_attach()
1271 		ret = tda18271_get_id(fe);  in tda18271_attach()
1275 		ret = tda18271_assign_map_layout(fe);  in tda18271_attach()
1285 		tda18271_init_regs(fe);  in tda18271_attach()
1289 			tda18271c2_rf_cal_init(fe);  in tda18271_attach()
1292 		ret = tda18271_toggle_output(fe, 1);  in tda18271_attach()
1299 		fe->tuner_priv = priv;  in tda18271_attach()
1314 				tda18271_update_std_map(fe, cfg->std_map);  in tda18271_attach()
1317 			tda18271_init(fe);  in tda18271_attach()
1323 		tda18271_update_std_map(fe, cfg->std_map);  in tda18271_attach()
1327 	memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,  in tda18271_attach()
1331 		tda18271_dump_std_map(fe);  in tda18271_attach()
1333 	return fe;  in tda18271_attach()
1337 	tda18271_release(fe);  in tda18271_attach()