77 static int i2c_write_demod_bytes (struct lgdt330x_state* state,  in i2c_write_demod_bytes()  argument
82 		{ .addr = state->config->demod_address,  in i2c_write_demod_bytes()
90 		if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {  in i2c_write_demod_bytes()
107 static int i2c_read_demod_bytes(struct lgdt330x_state *state,  in i2c_read_demod_bytes()  argument
112 		{ .addr = state->config->demod_address,  in i2c_read_demod_bytes()
114 		{ .addr = state->config->demod_address,  in i2c_read_demod_bytes()
118 	ret = i2c_transfer(state->i2c, msg, 2);  in i2c_read_demod_bytes()
120 … "lgdt330x: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __func__, state->config->demod_add…  in i2c_read_demod_bytes()
130 static int lgdt3302_SwReset(struct lgdt330x_state* state)  in lgdt3302_SwReset()  argument
139 	ret = i2c_write_demod_bytes(state,  in lgdt3302_SwReset()
145 		ret = i2c_write_demod_bytes(state,  in lgdt3302_SwReset()
151 static int lgdt3303_SwReset(struct lgdt330x_state* state)  in lgdt3303_SwReset()  argument
159 	ret = i2c_write_demod_bytes(state,  in lgdt3303_SwReset()
165 		ret = i2c_write_demod_bytes(state,  in lgdt3303_SwReset()
171 static int lgdt330x_SwReset(struct lgdt330x_state* state)  in lgdt330x_SwReset()  argument
173 	switch (state->config->demod_chip) {  in lgdt330x_SwReset()
175 		return lgdt3302_SwReset(state);  in lgdt330x_SwReset()
177 		return lgdt3303_SwReset(state);  in lgdt330x_SwReset()
241 	struct lgdt330x_state* state = fe->demodulator_priv;  in lgdt330x_init()  local
245 	switch (state->config->demod_chip) {  in lgdt330x_init()
248 		err = i2c_write_demod_bytes(state, lgdt3302_init_data,  in lgdt330x_init()
253 		switch (state->config->clock_polarity_flip) {  in lgdt330x_init()
255 			err = i2c_write_demod_bytes(state,  in lgdt330x_init()
260 			err = i2c_write_demod_bytes(state,  in lgdt330x_init()
266 			err = i2c_write_demod_bytes(state, lgdt3303_init_data,  in lgdt330x_init()
278 	return lgdt330x_SwReset(state);  in lgdt330x_init()
289 	struct lgdt330x_state* state = fe->demodulator_priv;  in lgdt330x_read_ucblocks()  local
295 	switch (state->config->demod_chip) {  in lgdt330x_read_ucblocks()
297 		err = i2c_read_demod_bytes(state, LGDT3302_PACKET_ERR_COUNTER1,  in lgdt330x_read_ucblocks()
301 		err = i2c_read_demod_bytes(state, LGDT3303_PACKET_ERR_COUNTER1,  in lgdt330x_read_ucblocks()
348 	struct lgdt330x_state* state = fe->demodulator_priv;  in lgdt330x_set_parameters()  local
354 	if (state->current_modulation != p->modulation) {  in lgdt330x_set_parameters()
363 			if (state->config->pll_rf_set)  in lgdt330x_set_parameters()
364 				state->config->pll_rf_set(fe, 1);  in lgdt330x_set_parameters()
366 			if (state->config->demod_chip == LGDT3303) {  in lgdt330x_set_parameters()
367 				err = i2c_write_demod_bytes(state, lgdt3303_8vsb_44_data,  in lgdt330x_set_parameters()
379 			if (state->config->pll_rf_set)  in lgdt330x_set_parameters()
380 				state->config->pll_rf_set(fe, 0);  in lgdt330x_set_parameters()
382 			if (state->config->demod_chip == LGDT3303) {  in lgdt330x_set_parameters()
383 				err = i2c_write_demod_bytes(state, lgdt3303_qam_data,  in lgdt330x_set_parameters()
395 			if (state->config->pll_rf_set)  in lgdt330x_set_parameters()
396 				state->config->pll_rf_set(fe, 0);  in lgdt330x_set_parameters()
398 			if (state->config->demod_chip == LGDT3303) {  in lgdt330x_set_parameters()
399 				err = i2c_write_demod_bytes(state, lgdt3303_qam_data,  in lgdt330x_set_parameters()
417 		top_ctrl_cfg[1] |= state->config->serial_mpeg;  in lgdt330x_set_parameters()
420 		i2c_write_demod_bytes(state, top_ctrl_cfg,  in lgdt330x_set_parameters()
422 		if (state->config->set_ts_params)  in lgdt330x_set_parameters()
423 			state->config->set_ts_params(fe, 0);  in lgdt330x_set_parameters()
424 		state->current_modulation = p->modulation;  in lgdt330x_set_parameters()
436 	state->current_frequency = p->frequency;  in lgdt330x_set_parameters()
438 	lgdt330x_SwReset(state);  in lgdt330x_set_parameters()
445 	struct lgdt330x_state *state = fe->demodulator_priv;  in lgdt330x_get_frontend()  local
446 	p->frequency = state->current_frequency;  in lgdt330x_get_frontend()
452 	struct lgdt330x_state* state = fe->demodulator_priv;  in lgdt3302_read_status()  local
458 	i2c_read_demod_bytes(state, AGC_STATUS, buf, 1);  in lgdt3302_read_status()
472 	i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf));  in lgdt3302_read_status()
488 	i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);  in lgdt3302_read_status()
490 	switch (state->current_modulation) {  in lgdt3302_read_status()
510 	struct lgdt330x_state* state = fe->demodulator_priv;  in lgdt3303_read_status()  local
517 	err = i2c_read_demod_bytes(state, 0x58, buf, 1);  in lgdt3303_read_status()
529 	i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);  in lgdt3303_read_status()
531 	switch (state->current_modulation) {  in lgdt3303_read_status()
539 		i2c_read_demod_bytes(state, 0x8a, buf, 1);  in lgdt3303_read_status()
552 		i2c_read_demod_bytes(state, 0x38, buf, 1);  in lgdt3303_read_status()
606 	struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;  in lgdt3302_read_snr()  local
611 	switch(state->current_modulation) {  in lgdt3302_read_snr()
613 		i2c_read_demod_bytes(state, LGDT3302_EQPH_ERR0, buf, 5);  in lgdt3302_read_snr()
628 		i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2);  in lgdt3302_read_snr()
630 		c = state->current_modulation == QAM_64 ? 97939837 : 98026066;  in lgdt3302_read_snr()
639 	state->snr = calculate_snr(noise, c);  in lgdt3302_read_snr()
640 	*snr = (state->snr) >> 16; /* Convert from 8.24 fixed-point to 8.8 */  in lgdt3302_read_snr()
643 		state->snr >> 24, (((state->snr>>8) & 0xffff) * 100) >> 16);  in lgdt3302_read_snr()
650 	struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;  in lgdt3303_read_snr()  local
655 	switch(state->current_modulation) {  in lgdt3303_read_snr()
657 		i2c_read_demod_bytes(state, LGDT3303_EQPH_ERR0, buf, 5);  in lgdt3303_read_snr()
672 		i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2);  in lgdt3303_read_snr()
674 		c = state->current_modulation == QAM_64 ? 97939837 : 98026066;  in lgdt3303_read_snr()
683 	state->snr = calculate_snr(noise, c);  in lgdt3303_read_snr()
684 	*snr = (state->snr) >> 16; /* Convert from 8.24 fixed-point to 8.8 */  in lgdt3303_read_snr()
687 		state->snr >> 24, (((state->snr >> 8) & 0xffff) * 100) >> 16);  in lgdt3303_read_snr()
697 	struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;  in lgdt330x_read_signal_strength()  local
706 	if (state->snr >= 8960 * 0x10000)  in lgdt330x_read_signal_strength()
709 		*strength = state->snr / 8960;  in lgdt330x_read_signal_strength()
725 	struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;  in lgdt330x_release()  local
726 	kfree(state);  in lgdt330x_release()
735 	struct lgdt330x_state* state = NULL;  in lgdt330x_attach()  local
739 	state = kzalloc(sizeof(struct lgdt330x_state), GFP_KERNEL);  in lgdt330x_attach()
740 	if (state == NULL)  in lgdt330x_attach()
744 	state->config = config;  in lgdt330x_attach()
745 	state->i2c = i2c;  in lgdt330x_attach()
750 		memcpy(&state->frontend.ops, &lgdt3302_ops, sizeof(struct dvb_frontend_ops));  in lgdt330x_attach()
753 		memcpy(&state->frontend.ops, &lgdt3303_ops, sizeof(struct dvb_frontend_ops));  in lgdt330x_attach()
758 	state->frontend.demodulator_priv = state;  in lgdt330x_attach()
761 	if (i2c_read_demod_bytes(state, 2, buf, 1))  in lgdt330x_attach()
764 	state->current_frequency = -1;  in lgdt330x_attach()
765 	state->current_modulation = -1;  in lgdt330x_attach()
767 	return &state->frontend;  in lgdt330x_attach()
770 	kfree(state);  in lgdt330x_attach()