1 // SPDX-License-Identifier: GPL-2.0
3 // Analog Devices ADAU7118 8 channel PDM-to-I2S/TDM Converter driver
36 	struct regmap *map;  member
65 	/* PDM Clocks */
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()
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 		dev_err(st->dev, "Invalid format %d",  in adau7118_set_fmt()
175 		return -EINVAL;  in adau7118_set_fmt()
195 		dev_err(st->dev, "Invalid Inv mask %d",  in adau7118_set_fmt()
197 		return -EINVAL;  in adau7118_set_fmt()
200 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
213 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tristate()
216 	dev_dbg(st->dev, "Set tristate, %d\n", tristate);  in adau7118_set_tristate()
218 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tristate()
233 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tdm_slot()
237 	dev_dbg(st->dev, "Set tdm, slots:%d width:%d\n", slots, slot_width);  in adau7118_set_tdm_slot()
250 		dev_err(st->dev, "Invalid slot width:%d\n", slot_width);  in adau7118_set_tdm_slot()
251 		return -EINVAL;  in adau7118_set_tdm_slot()
254 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tdm_slot()
260 	st->slot_width = slot_width;  in adau7118_set_tdm_slot()
261 	st->slots = slots;  in adau7118_set_tdm_slot()
271 		snd_soc_component_get_drvdata(dai->component);  in adau7118_hw_params()
276 	if (!st->slots) {  in adau7118_hw_params()
278 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
287 		slots_width = st->slot_width;  in adau7118_hw_params()
291 		dev_err(st->dev, "Invalid data_width:%d, slots_width:%d",  in adau7118_hw_params()
293 		return -EINVAL;  in adau7118_hw_params()
296 	if (st->right_j) {  in adau7118_hw_params()
297 		switch (slots_width - data_width) {  in adau7118_hw_params()
311 			dev_err(st->dev,  in adau7118_hw_params()
314 			return -EINVAL;  in adau7118_hw_params()
317 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
334 	dev_dbg(st->dev, "Set bias level %d\n", level);  in adau7118_set_bias_level()
345 			ret = regulator_enable(st->iovdd);  in adau7118_set_bias_level()
350 			ret = regulator_enable(st->dvdd);  in adau7118_set_bias_level()
352 				regulator_disable(st->iovdd);  in adau7118_set_bias_level()
356 			if (st->hw_mode)  in adau7118_set_bias_level()
359 			regcache_cache_only(st->map, false);  in adau7118_set_bias_level()
366 		ret = regulator_disable(st->dvdd);  in adau7118_set_bias_level()
370 		ret = regulator_disable(st->iovdd);  in adau7118_set_bias_level()
374 		if (st->hw_mode)  in adau7118_set_bias_level()
378 		regcache_mark_dirty(st->map);  in adau7118_set_bias_level()
379 		regcache_cache_only(st->map, true);  in adau7118_set_bias_level()
394 	if (st->hw_mode) {  in adau7118_component_probe()
403 		snd_soc_component_init_regmap(component, st->map);  in adau7118_component_probe()
425 	.name = "adau7118-hifi-capture",
451 	st->iovdd = devm_regulator_get(st->dev, "iovdd");  in adau7118_regulator_setup()
452 	if (IS_ERR(st->iovdd)) {  in adau7118_regulator_setup()
453 		dev_err(st->dev, "Could not get iovdd: %ld\n",  in adau7118_regulator_setup()
454 			PTR_ERR(st->iovdd));  in adau7118_regulator_setup()
455 		return PTR_ERR(st->iovdd);  in adau7118_regulator_setup()
458 	st->dvdd = devm_regulator_get(st->dev, "dvdd");  in adau7118_regulator_setup()
459 	if (IS_ERR(st->dvdd)) {  in adau7118_regulator_setup()
460 		dev_err(st->dev, "Could not get dvdd: %ld\n",  in adau7118_regulator_setup()
461 			PTR_ERR(st->dvdd));  in adau7118_regulator_setup()
462 		return PTR_ERR(st->dvdd);  in adau7118_regulator_setup()
465 	if (!st->hw_mode) {  in adau7118_regulator_setup()
466 		regcache_mark_dirty(st->map);  in adau7118_regulator_setup()
467 		regcache_cache_only(st->map, true);  in adau7118_regulator_setup()
480 	if (st->hw_mode)  in adau7118_parset_dt()
483 	ret = device_property_read_u32(st->dev, "adi,decimation-ratio",  in adau7118_parset_dt()
497 			dev_err(st->dev, "Invalid dec ratio: %u", dec_ratio);  in adau7118_parset_dt()
498 			return -EINVAL;  in adau7118_parset_dt()
501 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
508 	ret = device_property_read_u32_array(st->dev, "adi,pdm-clk-map",  in adau7118_parset_dt()
511 		int pdm;  in adau7118_parset_dt()  local
514 		for (pdm = 0; pdm < ARRAY_SIZE(clk_map); pdm++)  in adau7118_parset_dt()
515 			_clk_map |= (clk_map[pdm] << (pdm + 4));  in adau7118_parset_dt()
517 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
527 int adau7118_probe(struct device *dev, struct regmap *map, bool hw_mode)  in adau7118_probe()  argument
534 		return -ENOMEM;  in adau7118_probe()
536 	st->dev = dev;  in adau7118_probe()
537 	st->hw_mode = hw_mode;  in adau7118_probe()
541 		st->map = map;  in adau7118_probe()
547 		ret = regmap_update_bits(map, ADAU7118_REG_RESET,  in adau7118_probe()
569 MODULE_DESCRIPTION("ADAU7118 8 channel PDM-to-I2S/TDM Converter driver");