1 // SPDX-License-Identifier: GPL-2.0-only
97 	st->data[0] = 0x80 | (reg << 1);  in __adrf6780_spi_read()
98 	st->data[1] = 0x0;  in __adrf6780_spi_read()
99 	st->data[2] = 0x0;  in __adrf6780_spi_read()
101 	t.rx_buf = &st->data[0];  in __adrf6780_spi_read()
102 	t.tx_buf = &st->data[0];  in __adrf6780_spi_read()
105 	ret = spi_sync_transfer(st->spi, &t, 1);  in __adrf6780_spi_read()
109 	*val = (get_unaligned_be24(&st->data[0]) >> 1) & GENMASK(15, 0);  in __adrf6780_spi_read()
119 	mutex_lock(&st->lock);  in adrf6780_spi_read()
121 	mutex_unlock(&st->lock);  in adrf6780_spi_read()
130 	put_unaligned_be24((val << 1) | (reg << 17), &st->data[0]);  in __adrf6780_spi_write()
132 	return spi_write(st->spi, &st->data[0], 3);  in __adrf6780_spi_write()
140 	mutex_lock(&st->lock);  in adrf6780_spi_write()
142 	mutex_unlock(&st->lock);  in adrf6780_spi_write()
168 	mutex_lock(&st->lock);  in adrf6780_spi_update_bits()
170 	mutex_unlock(&st->lock);  in adrf6780_spi_update_bits()
179 	mutex_lock(&st->lock);  in adrf6780_read_adc_raw()
199 		ret = -EINVAL;  in adrf6780_read_adc_raw()
212 	mutex_unlock(&st->lock);  in adrf6780_read_adc_raw()
247 		switch (chan->channel2) {  in adrf6780_read_raw()
258 			return -EINVAL;  in adrf6780_read_raw()
261 		return -EINVAL;  in adrf6780_read_raw()
275 		switch (chan->channel2) {  in adrf6780_write_raw()
287 			return -EINVAL;  in adrf6780_write_raw()
290 		return -EINVAL;  in adrf6780_write_raw()
349 	struct spi_device *spi = st->spi;  in adrf6780_reset()
355 		dev_err(&spi->dev, "ADRF6780 SPI software reset failed.\n");  in adrf6780_reset()
363 		dev_err(&spi->dev, "ADRF6780 SPI software reset disable failed.\n");  in adrf6780_reset()
374 	struct spi_device *spi = st->spi;  in adrf6780_init()
387 		dev_err(&spi->dev, "ADRF6780 Invalid Chip ID.\n");  in adrf6780_init()
388 		return -EINVAL;  in adrf6780_init()
401 	enable_reg = FIELD_PREP(ADRF6780_VGA_BUFFER_EN_MSK, st->vga_buff_en) |  in adrf6780_init()
403 			FIELD_PREP(ADRF6780_LO_BUFFER_EN_MSK, st->lo_buff_en) |  in adrf6780_init()
404 			FIELD_PREP(ADRF6780_IF_MODE_EN_MSK, st->if_mode_en) |  in adrf6780_init()
405 			FIELD_PREP(ADRF6780_IQ_MODE_EN_MSK, st->iq_mode_en) |  in adrf6780_init()
406 			FIELD_PREP(ADRF6780_LO_X2_EN_MSK, st->lo_x2_en) |  in adrf6780_init()
407 			FIELD_PREP(ADRF6780_LO_PPF_EN_MSK, st->lo_ppf_en) |  in adrf6780_init()
408 			FIELD_PREP(ADRF6780_LO_EN_MSK, st->lo_en) |  in adrf6780_init()
409 			FIELD_PREP(ADRF6780_UC_BIAS_EN_MSK, st->uc_bias_en);  in adrf6780_init()
418 					 FIELD_PREP(ADRF6780_LO_SIDEBAND_MSK, st->lo_sideband));  in adrf6780_init()
424 		FIELD_PREP(ADRF6780_VDET_OUTPUT_SELECT_MSK, st->vdet_out_en));  in adrf6780_init()
429 	struct spi_device *spi = st->spi;  in adrf6780_properties_parse()
431 	st->vga_buff_en = device_property_read_bool(&spi->dev, "adi,vga-buff-en");  in adrf6780_properties_parse()
432 	st->lo_buff_en = device_property_read_bool(&spi->dev, "adi,lo-buff-en");  in adrf6780_properties_parse()
433 	st->if_mode_en = device_property_read_bool(&spi->dev, "adi,if-mode-en");  in adrf6780_properties_parse()
434 	st->iq_mode_en = device_property_read_bool(&spi->dev, "adi,iq-mode-en");  in adrf6780_properties_parse()
435 	st->lo_x2_en = device_property_read_bool(&spi->dev, "adi,lo-x2-en");  in adrf6780_properties_parse()
436 	st->lo_ppf_en = device_property_read_bool(&spi->dev, "adi,lo-ppf-en");  in adrf6780_properties_parse()
437 	st->lo_en = device_property_read_bool(&spi->dev, "adi,lo-en");  in adrf6780_properties_parse()
438 	st->uc_bias_en = device_property_read_bool(&spi->dev, "adi,uc-bias-en");  in adrf6780_properties_parse()
439 	st->lo_sideband = device_property_read_bool(&spi->dev, "adi,lo-sideband");  in adrf6780_properties_parse()
440 	st->vdet_out_en = device_property_read_bool(&spi->dev, "adi,vdet-out-en");  in adrf6780_properties_parse()
445 	/* Disable all components in the Enable Register */  in adrf6780_powerdown()
455 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in adrf6780_probe()
457 		return -ENOMEM;  in adrf6780_probe()
461 	indio_dev->info = &adrf6780_info;  in adrf6780_probe()
462 	indio_dev->name = "adrf6780";  in adrf6780_probe()
463 	indio_dev->channels = adrf6780_channels;  in adrf6780_probe()
464 	indio_dev->num_channels = ARRAY_SIZE(adrf6780_channels);  in adrf6780_probe()
466 	st->spi = spi;  in adrf6780_probe()
470 	st->clkin = devm_clk_get_enabled(&spi->dev, "lo_in");  in adrf6780_probe()
471 	if (IS_ERR(st->clkin))  in adrf6780_probe()
472 		return dev_err_probe(&spi->dev, PTR_ERR(st->clkin),  in adrf6780_probe()
475 	mutex_init(&st->lock);  in adrf6780_probe()
481 	ret = devm_add_action_or_reset(&spi->dev, adrf6780_powerdown, st);  in adrf6780_probe()
485 	return devm_iio_device_register(&spi->dev, indio_dev);  in adrf6780_probe()