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 */
128 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_channel_map()
131 	dev_dbg(st->dev, "Set channel map, %d", tx_num);  in adau7118_set_channel_map()
134 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_channel_map()
148 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_fmt()
152 	dev_dbg(st->dev, "Set format, fmt:%d\n", fmt);  in adau7118_set_fmt()
156 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
162 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
168 		st->right_j = true;  in adau7118_set_fmt()
171 		dev_err(st->dev, "Invalid format %d",  in adau7118_set_fmt()
173 		return -EINVAL;  in adau7118_set_fmt()
193 		dev_err(st->dev, "Invalid Inv mask %d",  in adau7118_set_fmt()
195 		return -EINVAL;  in adau7118_set_fmt()
198 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_fmt()
211 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tristate()
214 	dev_dbg(st->dev, "Set tristate, %d\n", tristate);  in adau7118_set_tristate()
216 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tristate()
231 		snd_soc_component_get_drvdata(dai->component);  in adau7118_set_tdm_slot()
235 	dev_dbg(st->dev, "Set tdm, slots:%d width:%d\n", slots, slot_width);  in adau7118_set_tdm_slot()
248 		dev_err(st->dev, "Invalid slot width:%d\n", slot_width);  in adau7118_set_tdm_slot()
249 		return -EINVAL;  in adau7118_set_tdm_slot()
252 	ret = snd_soc_component_update_bits(dai->component,  in adau7118_set_tdm_slot()
258 	st->slot_width = slot_width;  in adau7118_set_tdm_slot()
259 	st->slots = slots;  in adau7118_set_tdm_slot()
269 		snd_soc_component_get_drvdata(dai->component);  in adau7118_hw_params()
274 	if (!st->slots) {  in adau7118_hw_params()
276 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
285 		slots_width = st->slot_width;  in adau7118_hw_params()
289 		dev_err(st->dev, "Invalid data_width:%d, slots_width:%d",  in adau7118_hw_params()
291 		return -EINVAL;  in adau7118_hw_params()
294 	if (st->right_j) {  in adau7118_hw_params()
295 		switch (slots_width - data_width) {  in adau7118_hw_params()
309 			dev_err(st->dev,  in adau7118_hw_params()
312 			return -EINVAL;  in adau7118_hw_params()
315 		ret = snd_soc_component_update_bits(dai->component,  in adau7118_hw_params()
332 	dev_dbg(st->dev, "Set bias level %d\n", level);  in adau7118_set_bias_level()
343 			ret = regulator_enable(st->iovdd);  in adau7118_set_bias_level()
348 			ret = regulator_enable(st->dvdd);  in adau7118_set_bias_level()
350 				regulator_disable(st->iovdd);  in adau7118_set_bias_level()
354 			if (st->hw_mode)  in adau7118_set_bias_level()
357 			regcache_cache_only(st->map, false);  in adau7118_set_bias_level()
364 		ret = regulator_disable(st->dvdd);  in adau7118_set_bias_level()
368 		ret = regulator_disable(st->iovdd);  in adau7118_set_bias_level()
372 		if (st->hw_mode)  in adau7118_set_bias_level()
376 		regcache_mark_dirty(st->map);  in adau7118_set_bias_level()
377 		regcache_cache_only(st->map, true);  in adau7118_set_bias_level()
392 	if (st->hw_mode) {  in adau7118_component_probe()
401 		snd_soc_component_init_regmap(component, st->map);  in adau7118_component_probe()
423 	.name = "adau7118-hifi-capture",
449 	st->iovdd = devm_regulator_get(st->dev, "iovdd");  in adau7118_regulator_setup()
450 	if (IS_ERR(st->iovdd)) {  in adau7118_regulator_setup()
451 		dev_err(st->dev, "Could not get iovdd: %ld\n",  in adau7118_regulator_setup()
452 			PTR_ERR(st->iovdd));  in adau7118_regulator_setup()
453 		return PTR_ERR(st->iovdd);  in adau7118_regulator_setup()
456 	st->dvdd = devm_regulator_get(st->dev, "dvdd");  in adau7118_regulator_setup()
457 	if (IS_ERR(st->dvdd)) {  in adau7118_regulator_setup()
458 		dev_err(st->dev, "Could not get dvdd: %ld\n",  in adau7118_regulator_setup()
459 			PTR_ERR(st->dvdd));  in adau7118_regulator_setup()
460 		return PTR_ERR(st->dvdd);  in adau7118_regulator_setup()
463 	if (!st->hw_mode) {  in adau7118_regulator_setup()
464 		regcache_mark_dirty(st->map);  in adau7118_regulator_setup()
465 		regcache_cache_only(st->map, true);  in adau7118_regulator_setup()
478 	if (st->hw_mode)  in adau7118_parset_dt()
481 	ret = device_property_read_u32(st->dev, "adi,decimation-ratio",  in adau7118_parset_dt()
495 			dev_err(st->dev, "Invalid dec ratio: %u", dec_ratio);  in adau7118_parset_dt()
496 			return -EINVAL;  in adau7118_parset_dt()
499 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
506 	ret = device_property_read_u32_array(st->dev, "adi,pdm-clk-map",  in adau7118_parset_dt()
509 		int pdm;  in adau7118_parset_dt()  local
512 		for (pdm = 0; pdm < ARRAY_SIZE(clk_map); pdm++)  in adau7118_parset_dt()
513 			_clk_map |= (clk_map[pdm] << (pdm + 4));  in adau7118_parset_dt()
515 		ret = regmap_update_bits(st->map,  in adau7118_parset_dt()
525 int adau7118_probe(struct device *dev, struct regmap *map, bool hw_mode)  in adau7118_probe()  argument
532 		return -ENOMEM;  in adau7118_probe()
534 	st->dev = dev;  in adau7118_probe()
535 	st->hw_mode = hw_mode;  in adau7118_probe()
539 		st->map = map;  in adau7118_probe()
545 		ret = regmap_update_bits(map, ADAU7118_REG_RESET,  in adau7118_probe()
567 MODULE_DESCRIPTION("ADAU7118 8 channel PDM-to-I2S/TDM Converter driver");