1 // SPDX-License-Identifier: GPL-2.0-only
112 	st->data[0] = ADMV1013_READ | FIELD_PREP(ADMV1013_REG_ADDR_READ_MSK, reg);  in __admv1013_spi_read()
113 	st->data[1] = 0x0;  in __admv1013_spi_read()
114 	st->data[2] = 0x0;  in __admv1013_spi_read()
116 	t.rx_buf = &st->data[0];  in __admv1013_spi_read()
117 	t.tx_buf = &st->data[0];  in __admv1013_spi_read()
120 	ret = spi_sync_transfer(st->spi, &t, 1);  in __admv1013_spi_read()
124 	*val = FIELD_GET(ADMV1013_REG_DATA_MSK, get_unaligned_be24(&st->data[0]));  in __admv1013_spi_read()
134 	mutex_lock(&st->lock);  in admv1013_spi_read()
136 	mutex_unlock(&st->lock);  in admv1013_spi_read()
146 			   FIELD_PREP(ADMV1013_REG_ADDR_WRITE_MSK, reg), &st->data[0]);  in __admv1013_spi_write()
148 	return spi_write(st->spi, &st->data[0], 3);  in __admv1013_spi_write()
156 	mutex_lock(&st->lock);  in admv1013_spi_write()
158 	mutex_unlock(&st->lock);  in admv1013_spi_write()
183 	mutex_lock(&st->lock);  in admv1013_spi_update_bits()
185 	mutex_unlock(&st->lock);  in admv1013_spi_update_bits()
200 		switch (chan->channel) {  in admv1013_read_raw()
208 			return -EINVAL;  in admv1013_read_raw()
215 		if (!chan->channel)  in admv1013_read_raw()
222 		return -EINVAL;  in admv1013_read_raw()
235 		switch (chan->channel2) {  in admv1013_write_raw()
243 			return -EINVAL;  in admv1013_write_raw()
246 		if (!chan->channel) {  in admv1013_write_raw()
256 		return -EINVAL;  in admv1013_write_raw()
277 		return -EINVAL;  in admv1013_read()
320 		return -EINVAL;  in admv1013_write()
329 	u64 rate = clk_get_rate(st->clkin);  in admv1013_update_quad_filters()
349 	vcm = regulator_get_voltage(st->reg);  in admv1013_update_mixer_vgate()
356 		return -EINVAL;  in admv1013_update_mixer_vgate()
388 		mutex_lock(&st->lock);  in admv1013_freq_change()
390 		mutex_unlock(&st->lock);  in admv1013_freq_change()
442 	struct spi_device *spi = st->spi;  in admv1013_init()
463 		dev_err(&spi->dev, "Invalid Chip ID.\n");  in admv1013_init()
464 		return -EINVAL;  in admv1013_init()
471 	data = FIELD_PREP(ADMV1013_QUAD_SE_MODE_MSK, st->quad_se_mode);  in admv1013_init()
489 					  st->det_en |  in admv1013_init()
490 					  st->input_mode);  in admv1013_init()
529 	struct spi_device *spi = st->spi;  in admv1013_properties_parse()
531 	st->det_en = device_property_read_bool(&spi->dev, "adi,detector-enable");  in admv1013_properties_parse()
533 	ret = device_property_read_string(&spi->dev, "adi,input-mode", &str);  in admv1013_properties_parse()
535 		st->input_mode = ADMV1013_IQ_MODE;  in admv1013_properties_parse()
538 		st->input_mode = ADMV1013_IQ_MODE;  in admv1013_properties_parse()
540 		st->input_mode = ADMV1013_IF_MODE;  in admv1013_properties_parse()
542 		return -EINVAL;  in admv1013_properties_parse()
544 	ret = device_property_read_string(&spi->dev, "adi,quad-se-mode", &str);  in admv1013_properties_parse()
546 		st->quad_se_mode = ADMV1013_SE_MODE_DIFF;  in admv1013_properties_parse()
549 		st->quad_se_mode = ADMV1013_SE_MODE_DIFF;  in admv1013_properties_parse()
550 	else if (!strcmp(str, "se-pos"))  in admv1013_properties_parse()
551 		st->quad_se_mode = ADMV1013_SE_MODE_POS;  in admv1013_properties_parse()
552 	else if (!strcmp(str, "se-neg"))  in admv1013_properties_parse()
553 		st->quad_se_mode = ADMV1013_SE_MODE_NEG;  in admv1013_properties_parse()
555 		return -EINVAL;  in admv1013_properties_parse()
557 	st->reg = devm_regulator_get(&spi->dev, "vcm");  in admv1013_properties_parse()
558 	if (IS_ERR(st->reg))  in admv1013_properties_parse()
559 		return dev_err_probe(&spi->dev, PTR_ERR(st->reg),  in admv1013_properties_parse()
560 				     "failed to get the common-mode voltage\n");  in admv1013_properties_parse()
562 	st->clkin = devm_clk_get(&spi->dev, "lo_in");  in admv1013_properties_parse()
563 	if (IS_ERR(st->clkin))  in admv1013_properties_parse()
564 		return dev_err_probe(&spi->dev, PTR_ERR(st->clkin),  in admv1013_properties_parse()
576 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in admv1013_probe()
578 		return -ENOMEM;  in admv1013_probe()
582 	indio_dev->info = &admv1013_info;  in admv1013_probe()
583 	indio_dev->name = "admv1013";  in admv1013_probe()
584 	indio_dev->channels = admv1013_channels;  in admv1013_probe()
585 	indio_dev->num_channels = ARRAY_SIZE(admv1013_channels);  in admv1013_probe()
587 	st->spi = spi;  in admv1013_probe()
593 	ret = regulator_enable(st->reg);  in admv1013_probe()
595 		dev_err(&spi->dev, "Failed to enable specified Common-Mode Voltage!\n");  in admv1013_probe()
599 	ret = devm_add_action_or_reset(&spi->dev, admv1013_reg_disable,  in admv1013_probe()
600 				       st->reg);  in admv1013_probe()
604 	ret = clk_prepare_enable(st->clkin);  in admv1013_probe()
608 	ret = devm_add_action_or_reset(&spi->dev, admv1013_clk_disable, st->clkin);  in admv1013_probe()
612 	st->nb.notifier_call = admv1013_freq_change;  in admv1013_probe()
613 	ret = devm_clk_notifier_register(&spi->dev, st->clkin, &st->nb);  in admv1013_probe()
617 	mutex_init(&st->lock);  in admv1013_probe()
621 		dev_err(&spi->dev, "admv1013 init failed\n");  in admv1013_probe()
625 	ret = devm_add_action_or_reset(&spi->dev, admv1013_powerdown, st);  in admv1013_probe()
629 	return devm_iio_device_register(&spi->dev, indio_dev);  in admv1013_probe()