1 // SPDX-License-Identifier: GPL-2.0
3 // Analog Devices ADAU7118 8 channel PDM-to-I2S/TDM Converter driver
36 	struct regmap *map;  member
123 static int adau7118_set_channel_map(struct snd_soc_dai *dai,  in adau7118_set_channel_map()  argument
130 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_channel_map()
133 	dev_dbg(st->dev, "Set channel map, %d", tx_num);  in adau7118_set_channel_map()
136 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_channel_map()
147 static int adau7118_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)  in adau7118_set_fmt()  argument
150 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_fmt()
154 	dev_dbg(st->dev, "Set format, fmt:%d\n", fmt);  in adau7118_set_fmt()
158 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
164 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
170 		st->right_j = true;  in adau7118_set_fmt()
173 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
179 		dev_err(st->dev, "Invalid format %d",  in adau7118_set_fmt()
181 		return -EINVAL;  in adau7118_set_fmt()
201 		dev_err(st->dev, "Invalid Inv mask %d",  in adau7118_set_fmt()
203 		return -EINVAL;  in adau7118_set_fmt()
206 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
216 static int adau7118_set_tristate(struct snd_soc_dai *dai, int tristate)  in adau7118_set_tristate()  argument
219 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tristate()
222 	dev_dbg(st->dev, "Set tristate, %d\n", tristate);  in adau7118_set_tristate()
224 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tristate()
234 static int adau7118_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,  in adau7118_set_tdm_slot()  argument
239 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tdm_slot()
243 	dev_dbg(st->dev, "Set tdm, slots:%d width:%d\n", slots, slot_width);  in adau7118_set_tdm_slot()
256 		dev_err(st->dev, "Invalid slot width:%d\n", slot_width);  in adau7118_set_tdm_slot()
257 		return -EINVAL;  in adau7118_set_tdm_slot()
260 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tdm_slot()
266 	st->slot_width = slot_width;  in adau7118_set_tdm_slot()
267 	st->slots = slots;  in adau7118_set_tdm_slot()
274 			      struct snd_soc_dai *dai)  in adau7118_hw_params()  argument
277 		snd_soc_component_get_drvdata(dai->component);  in adau7118_hw_params()
282 	if (!st->slots) {  in adau7118_hw_params()
284 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
293 		slots_width = st->slot_width;  in adau7118_hw_params()
297 		dev_err(st->dev, "Invalid data_width:%d, slots_width:%d",  in adau7118_hw_params()
299 		return -EINVAL;  in adau7118_hw_params()
302 	if (st->right_j) {  in adau7118_hw_params()
303 		switch (slots_width - data_width) {  in adau7118_hw_params()
317 			dev_err(st->dev,  in adau7118_hw_params()
320 			return -EINVAL;  in adau7118_hw_params()
323 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
340 	dev_dbg(st->dev, "Set bias level %d\n", level);  in adau7118_set_bias_level()
351 			ret = regulator_enable(st->iovdd);  in adau7118_set_bias_level()
356 			ret = regulator_enable(st->dvdd);  in adau7118_set_bias_level()
358 				regulator_disable(st->iovdd);  in adau7118_set_bias_level()
362 			if (st->hw_mode)  in adau7118_set_bias_level()
365 			regcache_cache_only(st->map, false);  in adau7118_set_bias_level()
372 		ret = regulator_disable(st->dvdd);  in adau7118_set_bias_level()
376 		ret = regulator_disable(st->iovdd);  in adau7118_set_bias_level()
380 		if (st->hw_mode)  in adau7118_set_bias_level()
384 		regcache_mark_dirty(st->map);  in adau7118_set_bias_level()
385 		regcache_cache_only(st->map, true);  in adau7118_set_bias_level()
400 	if (st->hw_mode) {  in adau7118_component_probe()
409 		snd_soc_component_init_regmap(component, st->map);  in adau7118_component_probe()
431 	.name = "adau7118-hifi-capture",
457 	st->iovdd = devm_regulator_get(st->dev, "iovdd");  in adau7118_regulator_setup()
458 	if (IS_ERR(st->iovdd)) {  in adau7118_regulator_setup()
459 		dev_err(st->dev, "Could not get iovdd: %ld\n",  in adau7118_regulator_setup()
460 			PTR_ERR(st->iovdd));  in adau7118_regulator_setup()
461 		return PTR_ERR(st->iovdd);  in adau7118_regulator_setup()
464 	st->dvdd = devm_regulator_get(st->dev, "dvdd");  in adau7118_regulator_setup()
465 	if (IS_ERR(st->dvdd)) {  in adau7118_regulator_setup()
466 		dev_err(st->dev, "Could not get dvdd: %ld\n",  in adau7118_regulator_setup()
467 			PTR_ERR(st->dvdd));  in adau7118_regulator_setup()
468 		return PTR_ERR(st->dvdd);  in adau7118_regulator_setup()
471 	if (!st->hw_mode) {  in adau7118_regulator_setup()
472 		regcache_mark_dirty(st->map);  in adau7118_regulator_setup()
473 		regcache_cache_only(st->map, true);  in adau7118_regulator_setup()
486 	if (st->hw_mode)  in adau7118_parset_dt()
489 	ret = device_property_read_u32(st->dev, "adi,decimation-ratio",  in adau7118_parset_dt()
503 			dev_err(st->dev, "Invalid dec ratio: %u", dec_ratio);  in adau7118_parset_dt()
504 			return -EINVAL;  in adau7118_parset_dt()
507 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
514 	ret = device_property_read_u32_array(st->dev, "adi,pdm-clk-map",  in adau7118_parset_dt()
523 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
533 int adau7118_probe(struct device *dev, struct regmap *map, bool hw_mode)  in adau7118_probe()  argument
540 		return -ENOMEM;  in adau7118_probe()
542 	st->dev = dev;  in adau7118_probe()
543 	st->hw_mode = hw_mode;  in adau7118_probe()
547 		st->map = map;  in adau7118_probe()
553 		ret = regmap_update_bits(map, ADAU7118_REG_RESET,  in adau7118_probe()
575 MODULE_DESCRIPTION("ADAU7118 8 channel PDM-to-I2S/TDM Converter driver");