media/tuners/tda827x.c

37 static void tda827x_set_std(struct dvb_frontend *fe,
40 	struct tda827x_priv *priv = fe->tuner_priv;
123 static int tuner_transfer(struct dvb_frontend *fe,
128 	struct tda827x_priv *priv = fe->tuner_priv;
130 	if (fe->ops.i2c_gate_ctrl)
131 		fe->ops.i2c_gate_ctrl(fe, 1);
133 	if (fe->ops.i2c_gate_ctrl)
134 		fe->ops.i2c_gate_ctrl(fe, 0);
142 static int tda827xo_set_params(struct dvb_frontend *fe)
144 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
145 	struct tda827x_priv *priv = fe->tuner_priv;
194 	rc = tuner_transfer(fe, &msg, 1);
204 	rc = tuner_transfer(fe, &msg, 1);
219 static int tda827xo_sleep(struct dvb_frontend *fe)
221 	struct tda827x_priv *priv = fe->tuner_priv;
227 	tuner_transfer(fe, &msg, 1);
230 		priv->cfg->sleep(fe);
237 static int tda827xo_set_analog_params(struct dvb_frontend *fe,
244 	struct tda827x_priv *priv = fe->tuner_priv;
248 	tda827x_set_std(fe, params);
277 	tuner_transfer(fe, &msg, 1);
283 	tuner_transfer(fe, &msg, 1);
287 	tuner_transfer(fe, &msg, 1);
291 	tuner_transfer(fe, &msg, 1);
296 	tuner_transfer(fe, &msg, 1);
301 	tuner_transfer(fe, &msg, 1);
306 	tuner_transfer(fe, &msg, 1);
310 	tuner_transfer(fe, &msg, 1);
314 	tuner_transfer(fe, &msg, 1);
321 static void tda827xo_agcf(struct dvb_frontend *fe)
323 	struct tda827x_priv *priv = fe->tuner_priv;
328 	tuner_transfer(fe, &msg, 1);
431 static int tda827xa_sleep(struct dvb_frontend *fe)
433 	struct tda827x_priv *priv = fe->tuner_priv;
440 	tuner_transfer(fe, &msg, 1);
443 		priv->cfg->sleep(fe);
448 static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
451 	struct tda827x_priv *priv = fe->tuner_priv;
484 		if (fe->callback)
485 			fe->callback(priv->i2c_adap->algo_data,
491 		tuner_transfer(fe, &msg, 1);
494 		if (fe->callback)
495 			fe->callback(priv->i2c_adap->algo_data,
501 static int tda827xa_set_params(struct dvb_frontend *fe)
503 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
504 	struct tda827x_priv *priv = fe->tuner_priv;
516 	tda827xa_lna_gain(fe, 1, NULL);
563 	rc = tuner_transfer(fe, &msg, 1);
573 	rc = tuner_transfer(fe, &msg, 1);
580 	rc = tuner_transfer(fe, &msg, 1);
586 	rc = tuner_transfer(fe, &msg, 1);
594 		tda827xa_lna_gain(fe, 0, NULL);
597 		rc = tuner_transfer(fe, &msg, 1);
604 	rc = tuner_transfer(fe, &msg, 1);
610 	rc = tuner_transfer(fe, &msg, 1);
617 	rc = tuner_transfer(fe, &msg, 1);
624 	rc = tuner_transfer(fe, &msg, 1);
632 	rc = tuner_transfer(fe, &msg, 1);
648 static int tda827xa_set_analog_params(struct dvb_frontend *fe,
654 	struct tda827x_priv *priv = fe->tuner_priv;
659 	tda827x_set_std(fe, params);
661 	tda827xa_lna_gain(fe, 1, params);
692 	tuner_transfer(fe, &msg, 1);
700 	tuner_transfer(fe, &msg, 1);
705 	tuner_transfer(fe, &msg, 1);
709 	tuner_transfer(fe, &msg, 1);
712 	tuner_transfer(fe, &msg, 1);
717 		tda827xa_lna_gain(fe, 0, params);
722 	tuner_transfer(fe, &msg, 1);
727 	tuner_transfer(fe, &msg, 1);
731 	tuner_transfer(fe, &msg, 1);
735 	tuner_transfer(fe, &msg, 1);
739 	tuner_transfer(fe, &msg, 1);
746 static void tda827xa_agcf(struct dvb_frontend *fe)
748 	struct tda827x_priv *priv = fe->tuner_priv;
752 	tuner_transfer(fe, &msg, 1);
757 static void tda827x_release(struct dvb_frontend *fe)
759 	kfree(fe->tuner_priv);
760 	fe->tuner_priv = NULL;
763 static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency)
765 	struct tda827x_priv *priv = fe->tuner_priv;
770 static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
772 	struct tda827x_priv *priv = fe->tuner_priv;
777 static int tda827x_init(struct dvb_frontend *fe)
779 	struct tda827x_priv *priv = fe->tuner_priv;
782 		priv->cfg->init(fe);
787 static int tda827x_probe_version(struct dvb_frontend *fe);
789 static int tda827x_initial_init(struct dvb_frontend *fe)
792 	ret = tda827x_probe_version(fe);
795 	return fe->ops.tuner_ops.init(fe);
798 static int tda827x_initial_sleep(struct dvb_frontend *fe)
801 	ret = tda827x_probe_version(fe);
804 	return fe->ops.tuner_ops.sleep(fe);
839 static int tda827x_probe_version(struct dvb_frontend *fe)
843 	struct tda827x_priv *priv = fe->tuner_priv;
847 	rc = tuner_transfer(fe, &msg, 1);
856 		fe->ops.tuner_ops.init  = tda827x_init;
857 		fe->ops.tuner_ops.sleep = tda827xo_sleep;
862 		memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops));
869 struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr,
883 	memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops));
884 	fe->tuner_priv = priv;
886 	dprintk("type set to %s\n", fe->ops.tuner_ops.info.name);
888 	return fe;