1 // SPDX-License-Identifier: GPL-2.0
125 	struct snd_soc_component *component = codec_dai->component;  in max98373_dai_set_fmt()
130 	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);  in max98373_dai_set_fmt()
139 		dev_err(component->dev, "DAI invert mode unsupported\n");  in max98373_dai_set_fmt()
140 		return -EINVAL;  in max98373_dai_set_fmt()
143 	regmap_update_bits(max98373->regmap,  in max98373_dai_set_fmt()
163 		return -EINVAL;  in max98373_dai_set_fmt()
166 	regmap_update_bits(max98373->regmap,  in max98373_dai_set_fmt()
179 static int max98373_get_bclk_sel(int bclk)  in max98373_get_bclk_sel()  argument
184 		if (bclk_sel_table[i] == bclk)  in max98373_get_bclk_sel()
194 	/* BCLK/LRCLK ratio calculation */  in max98373_set_clock()
195 	int blr_clk_ratio = params_channels(params) * max98373->ch_size;  in max98373_set_clock()
198 	if (!max98373->tdm_mode) {  in max98373_set_clock()
199 		/* BCLK configuration */  in max98373_set_clock()
202 			dev_err(component->dev, "format unsupported %d\n",  in max98373_set_clock()
204 			return -EINVAL;  in max98373_set_clock()
207 		regmap_update_bits(max98373->regmap,  in max98373_set_clock()
219 	struct snd_soc_component *component = dai->component;  in max98373_dai_hw_params()
236 		dev_err(component->dev, "format unsupported %d\n",  in max98373_dai_hw_params()
241 	max98373->ch_size = snd_pcm_format_width(params_format(params));  in max98373_dai_hw_params()
243 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
247 	dev_dbg(component->dev, "format supported %d",  in max98373_dai_hw_params()
286 		dev_err(component->dev, "rate %d not supported\n",  in max98373_dai_hw_params()
292 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
296 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
302 	if (max98373->interleave_mode &&  in max98373_dai_hw_params()
304 		regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
307 				   sampling_rate - 3);  in max98373_dai_hw_params()
309 		regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
316 	return -EINVAL;  in max98373_dai_hw_params()
323 	struct snd_soc_component *component = dai->component;  in max98373_dai_tdm_slot()
331 		max98373->tdm_mode = false;  in max98373_dai_tdm_slot()
333 		max98373->tdm_mode = true;  in max98373_dai_tdm_slot()
335 	/* BCLK configuration */  in max98373_dai_tdm_slot()
338 		dev_err(component->dev, "BCLK %d not supported\n",  in max98373_dai_tdm_slot()
340 		return -EINVAL;  in max98373_dai_tdm_slot()
343 	regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
360 		dev_err(component->dev, "format unsupported %d\n",  in max98373_dai_tdm_slot()
362 		return -EINVAL;  in max98373_dai_tdm_slot()
365 	regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
375 				regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
379 				regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
388 	/* Tx slot Hi-Z configuration */  in max98373_dai_tdm_slot()
389 	regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
392 	regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
458 		.name = "max98373-aif1",
484 	for (i = 0; i < max98373->cache_num; i++)  in max98373_suspend()
485 		regmap_read(max98373->regmap, max98373->cache[i].reg, &max98373->cache[i].val);  in max98373_suspend()
487 	regcache_cache_only(max98373->regmap, true);  in max98373_suspend()
488 	regcache_mark_dirty(max98373->regmap);  in max98373_suspend()
496 	regcache_cache_only(max98373->regmap, false);  in max98373_resume()
498 	regcache_sync(max98373->regmap);  in max98373_resume()
525 	max98373 = devm_kzalloc(&i2c->dev, sizeof(*max98373), GFP_KERNEL);  in max98373_i2c_probe()
528 		ret = -ENOMEM;  in max98373_i2c_probe()
534 	if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode"))  in max98373_i2c_probe()
535 		max98373->interleave_mode = true;  in max98373_i2c_probe()
537 		max98373->interleave_mode = false;  in max98373_i2c_probe()
540 	max98373->regmap = devm_regmap_init_i2c(i2c, &max98373_regmap);  in max98373_i2c_probe()
541 	if (IS_ERR(max98373->regmap)) {  in max98373_i2c_probe()
542 		ret = PTR_ERR(max98373->regmap);  in max98373_i2c_probe()
543 		dev_err(&i2c->dev,  in max98373_i2c_probe()
548 	max98373->cache_num = ARRAY_SIZE(max98373_i2c_cache_reg);  in max98373_i2c_probe()
549 	max98373->cache = devm_kcalloc(&i2c->dev, max98373->cache_num,  in max98373_i2c_probe()
550 				       sizeof(*max98373->cache),  in max98373_i2c_probe()
552 	if (!max98373->cache) {  in max98373_i2c_probe()
553 		ret = -ENOMEM;  in max98373_i2c_probe()
557 	for (i = 0; i < max98373->cache_num; i++)  in max98373_i2c_probe()
558 		max98373->cache[i].reg = max98373_i2c_cache_reg[i];  in max98373_i2c_probe()
561 	max98373_slot_config(&i2c->dev, max98373);  in max98373_i2c_probe()
564 	if (gpio_is_valid(max98373->reset_gpio)) {  in max98373_i2c_probe()
565 		ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio,  in max98373_i2c_probe()
568 			dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",  in max98373_i2c_probe()
569 				__func__, max98373->reset_gpio);  in max98373_i2c_probe()
570 			return -EINVAL;  in max98373_i2c_probe()
572 		gpio_direction_output(max98373->reset_gpio, 0);  in max98373_i2c_probe()
574 		gpio_direction_output(max98373->reset_gpio, 1);  in max98373_i2c_probe()
579 	ret = regmap_read(max98373->regmap,  in max98373_i2c_probe()
582 		dev_err(&i2c->dev,  in max98373_i2c_probe()
586 	dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg);  in max98373_i2c_probe()
588 	/* codec registration */  in max98373_i2c_probe()
589 	ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373,  in max98373_i2c_probe()
592 		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);  in max98373_i2c_probe()