1 // SPDX-License-Identifier: GPL-2.0-or-later
40 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
44 		printk(KERN_DEBUG "m88rs2000-fe: " args); \
49 	printk(KERN_INFO "m88rs2000-fe: " format "\n" , ## arg)
57 		.addr = state->config->demod_addr,  in m88rs2000_writereg()
63 	ret = i2c_transfer(state->i2c, &msg, 1);  in m88rs2000_writereg()
69 	return (ret != 1) ? -EREMOTEIO : 0;  in m88rs2000_writereg()
80 			.addr = state->config->demod_addr,  in m88rs2000_readreg()
85 			.addr = state->config->demod_addr,  in m88rs2000_readreg()
92 	ret = i2c_transfer(state->i2c, msg, 2);  in m88rs2000_readreg()
103 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_get_mclk()
121 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_set_carrieroffset()
129 		return -EINVAL;  in m88rs2000_set_carrieroffset()
149 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_set_symbolrate()
151 	u64 temp;  in m88rs2000_set_symbolrate()  local
156 		return -EINVAL;  in m88rs2000_set_symbolrate()
160 		return -EINVAL;  in m88rs2000_set_symbolrate()
162 	temp = srate / 1000;  in m88rs2000_set_symbolrate()
163 	temp *= 1 << 24;  in m88rs2000_set_symbolrate()
165 	do_div(temp, mclk);  in m88rs2000_set_symbolrate()
167 	b[0] = (u8) (temp >> 16) & 0xff;  in m88rs2000_set_symbolrate()
168 	b[1] = (u8) (temp >> 8) & 0xff;  in m88rs2000_set_symbolrate()
169 	b[2] = (u8) temp & 0xff;  in m88rs2000_set_symbolrate()
196 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_send_diseqc_msg()
205 	for (i = 0; i <  m->msg_len; i++)  in m88rs2000_send_diseqc_msg()
206 		m88rs2000_writereg(state, 0xb3 + i, m->msg[i]);  in m88rs2000_send_diseqc_msg()
210 	reg |= ((m->msg_len - 1) << 3) | 0x07;  in m88rs2000_send_diseqc_msg()
240 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_send_diseqc_burst()
258 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_set_tone()
378 		return -EINVAL;  in m88rs2000_tab_set()
397 			return -EINVAL;  in m88rs2000_tab_set()
400 			return -ENODEV;  in m88rs2000_tab_set()
408 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_set_voltage()
433 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_init()
437 	/* Setup frontend from shutdown/cold */  in m88rs2000_init()
438 	if (state->config->inittab)  in m88rs2000_init()
440 				(struct inittab *)state->config->inittab);  in m88rs2000_init()
449 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_sleep()
459 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_read_status()
467 		if (state->config->set_ts_params)  in m88rs2000_read_status()
468 			state->config->set_ts_params(fe, CALL_IS_READ);  in m88rs2000_read_status()
475 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_read_ber()
502 	if (fe->ops.tuner_ops.get_rf_strength)  in m88rs2000_read_signal_strength()
503 		fe->ops.tuner_ops.get_rf_strength(fe, strength);  in m88rs2000_read_signal_strength()
510 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_read_snr()
519 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_read_ucblocks()
599 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_set_frontend()
600 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in m88rs2000_set_frontend()
607 	state->no_lock_count = 0;  in m88rs2000_set_frontend()
609 	if (c->delivery_system != SYS_DVBS) {  in m88rs2000_set_frontend()
611 			 __func__, c->delivery_system);  in m88rs2000_set_frontend()
612 		return -EOPNOTSUPP;  in m88rs2000_set_frontend()
616 	if (fe->ops.tuner_ops.set_params)  in m88rs2000_set_frontend()
617 		ret = fe->ops.tuner_ops.set_params(fe);  in m88rs2000_set_frontend()
620 		return -ENODEV;  in m88rs2000_set_frontend()
622 	if (fe->ops.tuner_ops.get_frequency) {  in m88rs2000_set_frontend()
623 		ret = fe->ops.tuner_ops.get_frequency(fe, &tuner_freq);  in m88rs2000_set_frontend()
626 			return -ENODEV;  in m88rs2000_set_frontend()
628 		offset = (s16)((s32)tuner_freq - c->frequency);  in m88rs2000_set_frontend()
634 	if (((c->frequency % 192857) >= (192857 - 3000)) ||  in m88rs2000_set_frontend()
635 				(c->frequency % 192857) <= 3000)  in m88rs2000_set_frontend()
642 		return -ENODEV;  in m88rs2000_set_frontend()
645 	if (c->symbol_rate > 27500000)  in m88rs2000_set_frontend()
652 		return -ENODEV;  in m88rs2000_set_frontend()
655 	ret = m88rs2000_set_fec(state, c->fec_inner);  in m88rs2000_set_frontend()
663 		return -ENODEV;  in m88rs2000_set_frontend()
666 	ret = m88rs2000_set_symbolrate(fe, c->symbol_rate);  in m88rs2000_set_frontend()
668 		return -ENODEV;  in m88rs2000_set_frontend()
673 		return -ENODEV;  in m88rs2000_set_frontend()
681 		state->no_lock_count++;  in m88rs2000_set_frontend()
682 		if (state->no_lock_count == 15) {  in m88rs2000_set_frontend()
686 			state->no_lock_count = 0;  in m88rs2000_set_frontend()
692 		state->fec_inner = m88rs2000_get_fec(state);  in m88rs2000_set_frontend()
697 	state->tuner_frequency = c->frequency;  in m88rs2000_set_frontend()
698 	state->symbol_rate = c->symbol_rate;  in m88rs2000_set_frontend()
705 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_get_frontend()
707 	c->fec_inner = state->fec_inner;  in m88rs2000_get_frontend()
708 	c->frequency = state->tuner_frequency;  in m88rs2000_get_frontend()
709 	c->symbol_rate = state->symbol_rate;  in m88rs2000_get_frontend()
716 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in m88rs2000_get_tune_settings()
718 	if (c->symbol_rate > 3000000)  in m88rs2000_get_tune_settings()
719 		tune->min_delay_ms = 2000;  in m88rs2000_get_tune_settings()
721 		tune->min_delay_ms = 3000;  in m88rs2000_get_tune_settings()
723 	tune->step_size = c->symbol_rate / 16000;  in m88rs2000_get_tune_settings()
724 	tune->max_drift = c->symbol_rate / 2000;  in m88rs2000_get_tune_settings()
731 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_i2c_gate_ctrl()
743 	struct m88rs2000_state *state = fe->demodulator_priv;  in m88rs2000_release()
750 		.name			= "M88RS2000 DVB-S",
794 	state->config = config;  in m88rs2000_attach()
795 	state->i2c = i2c;  in m88rs2000_attach()
796 	state->tuner_frequency = 0;  in m88rs2000_attach()
797 	state->symbol_rate = 0;  in m88rs2000_attach()
798 	state->fec_inner = 0;  in m88rs2000_attach()
801 	memcpy(&state->frontend.ops, &m88rs2000_ops,  in m88rs2000_attach()
803 	state->frontend.demodulator_priv = state;  in m88rs2000_attach()
804 	return &state->frontend;  in m88rs2000_attach()
813 MODULE_DESCRIPTION("M88RS2000 DVB-S Demodulator driver");