1 // SPDX-License-Identifier: GPL-2.0
119 	struct snd_soc_component *component = codec_dai->component;  in max98373_dai_set_fmt()
124 	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);  in max98373_dai_set_fmt()
133 		dev_err(component->dev, "DAI invert mode unsupported\n");  in max98373_dai_set_fmt()
134 		return -EINVAL;  in max98373_dai_set_fmt()
137 	regmap_update_bits(max98373->regmap,  in max98373_dai_set_fmt()
157 		return -EINVAL;  in max98373_dai_set_fmt()
160 	regmap_update_bits(max98373->regmap,  in max98373_dai_set_fmt()
168 /* BCLKs per LRCLK */
176 	/* match BCLKs per LRCLK */  in max98373_get_bclk_sel()
188 	/* BCLK/LRCLK ratio calculation */  in max98373_set_clock()
189 	int blr_clk_ratio = params_channels(params) * max98373->ch_size;  in max98373_set_clock()
192 	if (!max98373->tdm_mode) {  in max98373_set_clock()
196 			dev_err(component->dev, "format unsupported %d\n",  in max98373_set_clock()
198 			return -EINVAL;  in max98373_set_clock()
201 		regmap_update_bits(max98373->regmap,  in max98373_set_clock()
213 	struct snd_soc_component *component = dai->component;  in max98373_dai_hw_params()
230 		dev_err(component->dev, "format unsupported %d\n",  in max98373_dai_hw_params()
235 	max98373->ch_size = snd_pcm_format_width(params_format(params));  in max98373_dai_hw_params()
237 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
241 	dev_dbg(component->dev, "format supported %d",  in max98373_dai_hw_params()
280 		dev_err(component->dev, "rate %d not supported\n",  in max98373_dai_hw_params()
285 	/* set DAI_SR to correct LRCLK frequency */  in max98373_dai_hw_params()
286 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
290 	regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
296 	if (max98373->interleave_mode &&  in max98373_dai_hw_params()
298 		regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
301 				   sampling_rate - 3);  in max98373_dai_hw_params()
303 		regmap_update_bits(max98373->regmap,  in max98373_dai_hw_params()
310 	return -EINVAL;  in max98373_dai_hw_params()
317 	struct snd_soc_component *component = dai->component;  in max98373_dai_tdm_slot()
325 		max98373->tdm_mode = false;  in max98373_dai_tdm_slot()
327 		max98373->tdm_mode = true;  in max98373_dai_tdm_slot()
332 		dev_err(component->dev, "BCLK %d not supported\n",  in max98373_dai_tdm_slot()
334 		return -EINVAL;  in max98373_dai_tdm_slot()
337 	regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
354 		dev_err(component->dev, "format unsupported %d\n",  in max98373_dai_tdm_slot()
356 		return -EINVAL;  in max98373_dai_tdm_slot()
359 	regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
369 				regmap_update_bits(max98373->regmap,  in max98373_dai_tdm_slot()
373 				regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
382 	/* Tx slot Hi-Z configuration */  in max98373_dai_tdm_slot()
383 	regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
386 	regmap_write(max98373->regmap,  in max98373_dai_tdm_slot()
453 		.name = "max98373-aif1",
477 	regcache_cache_only(max98373->regmap, true);  in max98373_suspend()
478 	regcache_mark_dirty(max98373->regmap);  in max98373_suspend()
486 	regcache_cache_only(max98373->regmap, false);  in max98373_resume()
488 	regcache_sync(max98373->regmap);  in max98373_resume()
515 	max98373 = devm_kzalloc(&i2c->dev, sizeof(*max98373), GFP_KERNEL);  in max98373_i2c_probe()
518 		ret = -ENOMEM;  in max98373_i2c_probe()
524 	if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode"))  in max98373_i2c_probe()
525 		max98373->interleave_mode = true;  in max98373_i2c_probe()
527 		max98373->interleave_mode = false;  in max98373_i2c_probe()
530 	max98373->regmap = devm_regmap_init_i2c(i2c, &max98373_regmap);  in max98373_i2c_probe()
531 	if (IS_ERR(max98373->regmap)) {  in max98373_i2c_probe()
532 		ret = PTR_ERR(max98373->regmap);  in max98373_i2c_probe()
533 		dev_err(&i2c->dev,  in max98373_i2c_probe()
539 	max98373_slot_config(&i2c->dev, max98373);  in max98373_i2c_probe()
542 	if (gpio_is_valid(max98373->reset_gpio)) {  in max98373_i2c_probe()
543 		ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio,  in max98373_i2c_probe()
546 			dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",  in max98373_i2c_probe()
547 				__func__, max98373->reset_gpio);  in max98373_i2c_probe()
548 			return -EINVAL;  in max98373_i2c_probe()
550 		gpio_direction_output(max98373->reset_gpio, 0);  in max98373_i2c_probe()
552 		gpio_direction_output(max98373->reset_gpio, 1);  in max98373_i2c_probe()
557 	ret = regmap_read(max98373->regmap,  in max98373_i2c_probe()
560 		dev_err(&i2c->dev,  in max98373_i2c_probe()
564 	dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg);  in max98373_i2c_probe()
566 	/* codec registration */  in max98373_i2c_probe()
567 	ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373,  in max98373_i2c_probe()
570 		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);  in max98373_i2c_probe()