1 // SPDX-License-Identifier: GPL-2.0
83 /* 11bit [min,max,step] = [-103.9375dB, 24dB, 0.0625dB] */
84 static const DECLARE_TLV_DB_SCALE(digital_tlv, -1039375, 625, 1);
110 	struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);  in internal_power_event()  local
114 		snd_soc_component_write(comp, RT9120_REG_ERRRPT, 0);  in internal_power_event()
159 static int rt9120_codec_probe(struct snd_soc_component *comp)  in rt9120_codec_probe()  argument
161 	struct rt9120_data *data = snd_soc_component_get_drvdata(comp);  in rt9120_codec_probe()
163 	snd_soc_component_init_regmap(comp, data->regmap);  in rt9120_codec_probe()
165 	pm_runtime_get_sync(comp->dev);  in rt9120_codec_probe()
168 	if (data->chip_idx == CHIP_IDX_RT9120S) {  in rt9120_codec_probe()
169 		snd_soc_component_write(comp, RT9120_REG_INTERCFG, 0xde);  in rt9120_codec_probe()
170 		snd_soc_component_write(comp, RT9120_REG_INTERNAL0, 0x66);  in rt9120_codec_probe()
172 		snd_soc_component_write(comp, RT9120_REG_INTERNAL0, 0x04);  in rt9120_codec_probe()
174 	pm_runtime_mark_last_busy(comp->dev);  in rt9120_codec_probe()
175 	pm_runtime_put(comp->dev);  in rt9120_codec_probe()
180 static int rt9120_codec_suspend(struct snd_soc_component *comp)  in rt9120_codec_suspend()  argument
182 	return pm_runtime_force_suspend(comp->dev);  in rt9120_codec_suspend()
185 static int rt9120_codec_resume(struct snd_soc_component *comp)  in rt9120_codec_resume()  argument
187 	return pm_runtime_force_resume(comp->dev);  in rt9120_codec_resume()
205 	struct snd_soc_component *comp = dai->component;  in rt9120_set_fmt()  local
225 		dev_err(dai->dev, "Unknown dai format\n");  in rt9120_set_fmt()
226 		return -EINVAL;  in rt9120_set_fmt()
229 	snd_soc_component_update_bits(comp, RT9120_REG_I2SFMT,  in rt9120_set_fmt()
239 	struct snd_soc_component *comp = dai->component;  in rt9120_hw_params()  local
255 		dev_err(dai->dev, "Unsupported data width [%d]\n", width);  in rt9120_hw_params()
256 		return -EINVAL;  in rt9120_hw_params()
259 	snd_soc_component_update_bits(comp, RT9120_REG_I2SFMT,  in rt9120_hw_params()
273 		dev_err(dai->dev, "Unsupported slot width [%d]\n", width);  in rt9120_hw_params()
274 		return -EINVAL;  in rt9120_hw_params()
277 	snd_soc_component_update_bits(comp, RT9120_REG_I2SWL,  in rt9120_hw_params()
281 	/* If fs is divided by 48, disable auto sync */  in rt9120_hw_params()
287 	snd_soc_component_update_bits(comp, RT9120_REG_DIGCFG,  in rt9120_hw_params()
390 	struct i2c_client *i2c = to_i2c_client(data->dev);  in rt9120_reg_read()
399 		return -EIO;  in rt9120_reg_read()
421 	struct i2c_client *i2c = to_i2c_client(data->dev);  in rt9120_reg_write()
425 	int offs = 4 - size;  in rt9120_reg_write()
483 	ret = regmap_read(data->regmap, RT9120_REG_DEVID, &devid);  in rt9120_check_vendor_info()
490 		data->chip_idx = CHIP_IDX_RT9120;  in rt9120_check_vendor_info()
493 		data->chip_idx = CHIP_IDX_RT9120S;  in rt9120_check_vendor_info()
496 		dev_err(data->dev, "DEVID not correct [0x%0x]\n", devid);  in rt9120_check_vendor_info()
497 		return -ENODEV;  in rt9120_check_vendor_info()
507 	ret = regmap_write(data->regmap, RT9120_REG_SWRESET,  in rt9120_do_register_reset()
522 	data = devm_kzalloc(&i2c->dev, sizeof(*data), GFP_KERNEL);  in rt9120_probe()
524 		return -ENOMEM;  in rt9120_probe()
526 	data->dev = &i2c->dev;  in rt9120_probe()
529 	data->pwdnn_gpio = devm_gpiod_get_optional(&i2c->dev, "pwdnn",  in rt9120_probe()
531 	if (IS_ERR(data->pwdnn_gpio)) {  in rt9120_probe()
532 		dev_err(&i2c->dev, "Failed to initialize 'pwdnn' gpio\n");  in rt9120_probe()
533 		return PTR_ERR(data->pwdnn_gpio);  in rt9120_probe()
534 	} else if (data->pwdnn_gpio) {  in rt9120_probe()
535 		dev_dbg(&i2c->dev, "'pwdnn' from low to high, wait chip on\n");  in rt9120_probe()
539 	data->regmap = devm_regmap_init(&i2c->dev, NULL, data,  in rt9120_probe()
541 	if (IS_ERR(data->regmap)) {  in rt9120_probe()
542 		ret = PTR_ERR(data->regmap);  in rt9120_probe()
543 		dev_err(&i2c->dev, "Failed to init regmap [%d]\n", ret);  in rt9120_probe()
549 		dev_err(&i2c->dev, "Failed to check vendor info\n");  in rt9120_probe()
555 		dev_err(&i2c->dev, "Failed to do register reset\n");  in rt9120_probe()
559 	dvdd_supply = devm_regulator_get(&i2c->dev, "dvdd");  in rt9120_probe()
561 		dev_err(&i2c->dev, "No dvdd regulator found\n");  in rt9120_probe()
567 		dev_dbg(&i2c->dev, "dvdd low voltage design\n");  in rt9120_probe()
568 		ret = regmap_update_bits(data->regmap, RT9120_REG_UVPOPT,  in rt9120_probe()
571 			dev_err(&i2c->dev, "Failed to config dvdd uvsel\n");  in rt9120_probe()
576 	pm_runtime_set_autosuspend_delay(&i2c->dev, 1000);  in rt9120_probe()
577 	pm_runtime_use_autosuspend(&i2c->dev);  in rt9120_probe()
578 	pm_runtime_set_active(&i2c->dev);  in rt9120_probe()
579 	pm_runtime_mark_last_busy(&i2c->dev);  in rt9120_probe()
580 	pm_runtime_enable(&i2c->dev);  in rt9120_probe()
582 	return devm_snd_soc_register_component(&i2c->dev,  in rt9120_probe()
589 	pm_runtime_disable(&i2c->dev);  in rt9120_remove()
590 	pm_runtime_set_suspended(&i2c->dev);  in rt9120_remove()
597 	if (data->pwdnn_gpio) {  in rt9120_runtime_suspend()
598 		regcache_cache_only(data->regmap, true);  in rt9120_runtime_suspend()
599 		regcache_mark_dirty(data->regmap);  in rt9120_runtime_suspend()
600 		gpiod_set_value(data->pwdnn_gpio, 0);  in rt9120_runtime_suspend()
610 	if (data->pwdnn_gpio) {  in rt9120_runtime_resume()
611 		gpiod_set_value(data->pwdnn_gpio, 1);  in rt9120_runtime_resume()
613 		regcache_cache_only(data->regmap, false);  in rt9120_runtime_resume()
614 		regcache_sync(data->regmap);  in rt9120_runtime_resume()