1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  mxl111sf-tuner.c - driver for the MaxLinear MXL111SF CMOS tuner
5  *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
8 #include "mxl111sf-tuner.h"
9 #include "mxl111sf-phy.h"
10 #include "mxl111sf-reg.h"
15 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
21 /* ------------------------------------------------------------------------ */
30 	u32 frequency;  member
37 	return (state->cfg->read_reg) ?  in mxl111sf_tuner_read_reg()
38 		state->cfg->read_reg(state->mxl_state, addr, data) :  in mxl111sf_tuner_read_reg()
39 		-EINVAL;  in mxl111sf_tuner_read_reg()
45 	return (state->cfg->write_reg) ?  in mxl111sf_tuner_write_reg()
46 		state->cfg->write_reg(state->mxl_state, addr, data) :  in mxl111sf_tuner_write_reg()
47 		-EINVAL;  in mxl111sf_tuner_write_reg()
53 	return (state->cfg->program_regs) ?  in mxl111sf_tuner_program_regs()
54 		state->cfg->program_regs(state->mxl_state, ctrl_reg_info) :  in mxl111sf_tuner_program_regs()
55 		-EINVAL;  in mxl111sf_tuner_program_regs()
61 	return (state->cfg->top_master_ctrl) ?  in mxl1x1sf_tuner_top_master_ctrl()
62 		state->cfg->top_master_ctrl(state->mxl_state, onoff) :  in mxl1x1sf_tuner_top_master_ctrl()
63 		-EINVAL;  in mxl1x1sf_tuner_top_master_ctrl()
66 /* ------------------------------------------------------------------------ */
71 	{0x1e, 0xff, 0x00}, /* channel frequency (lo and fractional) */
72 	{0x1f, 0xff, 0x00}, /* channel frequency (hi for integer portion) */
76 /* ------------------------------------------------------------------------ */
84 	switch (bw) {  in mxl111sf_calc_phy_tune_regs()
133 		state->cfg->invert_spectrum, state->cfg->if_freq);  in mxl1x1sf_tuner_set_if_output_freq()
136 	ctrl = state->cfg->invert_spectrum;  in mxl1x1sf_tuner_set_if_output_freq()
138 	ctrl |= state->cfg->if_freq;  in mxl1x1sf_tuner_set_if_output_freq()
150 	if (MXL_IF_LO == state->cfg->if_freq) {  in mxl1x1sf_tuner_set_if_output_freq()
153 	} else if (MXL_IF_HI == state->cfg->if_freq) {  in mxl1x1sf_tuner_set_if_output_freq()
181 	state->if_freq = state->cfg->if_freq;  in mxl1x1sf_tuner_set_if_output_freq()
188 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl1x1sf_tune_rf()
200 	/* check device mode */  in mxl1x1sf_tune_rf()
208 		return -EINVAL;  in mxl1x1sf_tune_rf()
215 		/* IF tuner mode only */  in mxl1x1sf_tune_rf()
225 	if (state->cfg->ant_hunt)  in mxl1x1sf_tune_rf()
226 		state->cfg->ant_hunt(fe);  in mxl1x1sf_tune_rf()
260 /* ------------------------------------------------------------------------ */
264 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in mxl111sf_tuner_set_params()
265 	u32 delsys  = c->delivery_system;  in mxl111sf_tuner_set_params()
266 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_set_params()
272 	switch (delsys) {  in mxl111sf_tuner_set_params()
281 		switch (c->bandwidth_hz) {  in mxl111sf_tuner_set_params()
293 			return -EINVAL;  in mxl111sf_tuner_set_params()
298 		return -EINVAL;  in mxl111sf_tuner_set_params()
300 	ret = mxl1x1sf_tune_rf(fe, c->frequency, bw);  in mxl111sf_tuner_set_params()
304 	state->frequency = c->frequency;  in mxl111sf_tuner_set_params()
305 	state->bandwidth = c->bandwidth_hz;  in mxl111sf_tuner_set_params()
310 /* ------------------------------------------------------------------------ */
315 	struct mxl111sf_tuner_state *state = fe->tuner_priv;
325 	struct mxl111sf_tuner_state *state = fe->tuner_priv;
328 	/* enter standby mode handled by usb driver */
334 /* ------------------------------------------------------------------------ */
338 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_get_status()
357 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_get_rf_strength()
381 /* ------------------------------------------------------------------------ */
383 static int mxl111sf_tuner_get_frequency(struct dvb_frontend *fe, u32 *frequency)  in mxl111sf_tuner_get_frequency()  argument
385 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_get_frequency()
386 	*frequency = state->frequency;  in mxl111sf_tuner_get_frequency()
392 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_get_bandwidth()
393 	*bandwidth = state->bandwidth;  in mxl111sf_tuner_get_bandwidth()
398 					   u32 *frequency)  in mxl111sf_tuner_get_if_frequency()  argument
400 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_get_if_frequency()
402 	*frequency = 0;  in mxl111sf_tuner_get_if_frequency()
404 	switch (state->if_freq) {  in mxl111sf_tuner_get_if_frequency()
406 		*frequency = 4000000;  in mxl111sf_tuner_get_if_frequency()
409 		*frequency = 4500000;  in mxl111sf_tuner_get_if_frequency()
412 		*frequency = 4570000;  in mxl111sf_tuner_get_if_frequency()
415 		*frequency = 5000000;  in mxl111sf_tuner_get_if_frequency()
418 		*frequency = 5380000;  in mxl111sf_tuner_get_if_frequency()
421 		*frequency = 6000000;  in mxl111sf_tuner_get_if_frequency()
424 		*frequency = 6280000;  in mxl111sf_tuner_get_if_frequency()
427 		*frequency = 7200000;  in mxl111sf_tuner_get_if_frequency()
430 		*frequency = 35250000;  in mxl111sf_tuner_get_if_frequency()
433 		*frequency = 36000000;  in mxl111sf_tuner_get_if_frequency()
436 		*frequency = 36150000;  in mxl111sf_tuner_get_if_frequency()
439 		*frequency = 44000000;  in mxl111sf_tuner_get_if_frequency()
447 	struct mxl111sf_tuner_state *state = fe->tuner_priv;  in mxl111sf_tuner_release()
450 	fe->tuner_priv = NULL;  in mxl111sf_tuner_release()
453 /* ------------------------------------------------------------------------- */
489 	state->mxl_state = mxl_state;  in mxl111sf_tuner_attach()
490 	state->cfg = cfg;  in mxl111sf_tuner_attach()
492 	memcpy(&fe->ops.tuner_ops, &mxl111sf_tuner_tuner_ops,  in mxl111sf_tuner_attach()
495 	fe->tuner_priv = state;  in mxl111sf_tuner_attach()