1 // SPDX-License-Identifier: GPL-2.0-or-later
23 #define PMCP2					BIT(1)	/* Charge Pump 2: Class-G HP Amp */
118  * from -12.5 to 3 dB in 0.5 dB steps (mute instead of -12.5 dB)
120 static DECLARE_TLV_DB_SCALE(dac_tlv, -1250, 50, 0);
123  * HP-Amp Analog volume control:
124  * from -4.2 to 6 dB in 2 dB steps (mute instead of -4.2 dB)
126 static DECLARE_TLV_DB_SCALE(hpg_tlv, -4200, 20, 0);
132 	"+-VDD Operation",
133 	"+-1/2VDD Operation"
138  * 0, 0 : Sharp Roll-Off Filter
139  * 0, 1 : Slow Roll-Off Filter
140  * 1, 0 : Short delay Sharp Roll-Off Filter
141  * 1, 1 : Short delay Slow Roll-Off Filter
144 	"Sharp Roll-Off Filter",
145 	"Slow Roll-Off Filter",
146 	"Short delay Sharp Roll-Off Filter",
147 	"Short delay Slow Roll-Off Filter",
169 	SOC_SINGLE_TLV("HP-Amp Analog Volume",
194 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in ak4375_dac_event()
253 	struct snd_soc_component *component = dai->component;  in ak4375_hw_params()
257 	ak4375->rate = params_rate(params);  in ak4375_hw_params()
259 	if (ak4375->rate <= 96000)  in ak4375_hw_params()
260 		ak4375->pld = 0;  in ak4375_hw_params()
262 		ak4375->pld = 1;  in ak4375_hw_params()
264 	freq_in = 32 * ak4375->rate / (ak4375->pld + 1);  in ak4375_hw_params()
266 	if ((ak4375->rate % 8000) == 0)  in ak4375_hw_params()
277 	struct snd_soc_component *component = dai->component;  in ak4375_dai_set_pll()
279 	unsigned int mclk, plm, mdiv, div;  in ak4375_dai_set_pll()  local
280 	u8 cms, fs, cm;  in ak4375_dai_set_pll()  local
283 	fs = cms & ~FS_MASK;  in ak4375_dai_set_pll()
286 	switch (ak4375->rate) {  in ak4375_dai_set_pll()
288 		fs |= FS_8KHZ;  in ak4375_dai_set_pll()
291 		fs |= FS_11_025KHZ;  in ak4375_dai_set_pll()
294 		fs |= FS_16KHZ;  in ak4375_dai_set_pll()
297 		fs |= FS_22_05KHZ;  in ak4375_dai_set_pll()
300 		fs |= FS_32KHZ;  in ak4375_dai_set_pll()
303 		fs |= FS_44_1KHZ;  in ak4375_dai_set_pll()
306 		fs |= FS_48KHZ;  in ak4375_dai_set_pll()
309 		fs |= FS_88_2KHZ;  in ak4375_dai_set_pll()
312 		fs |= FS_96KHZ;  in ak4375_dai_set_pll()
315 		fs |= FS_176_4KHZ;  in ak4375_dai_set_pll()
318 		fs |= FS_192KHZ;  in ak4375_dai_set_pll()
321 		return -EINVAL;  in ak4375_dai_set_pll()
324 	if (ak4375->rate <= 24000) {  in ak4375_dai_set_pll()
326 		mclk = 512 * ak4375->rate;  in ak4375_dai_set_pll()
327 		mdiv = freq_out / mclk - 1;  in ak4375_dai_set_pll()
329 	} else if (ak4375->rate <= 96000) {  in ak4375_dai_set_pll()
331 		mclk = 256 * ak4375->rate;  in ak4375_dai_set_pll()
332 		mdiv = freq_out / mclk - 1;  in ak4375_dai_set_pll()
336 		mclk = 128 * ak4375->rate;  in ak4375_dai_set_pll()
342 	snd_soc_component_update_bits(component, AK4375_05_CLOCK_MODE_SELECT, FS_MASK, fs);  in ak4375_dai_set_pll()
346 				(ak4375->pld & 0xff00) >> 8);  in ak4375_dai_set_pll()
348 				ak4375->pld & 0x00ff);  in ak4375_dai_set_pll()
350 	plm = freq_out / freq_in - 1;  in ak4375_dai_set_pll()
361 	dev_dbg(ak4375->dev, "rate=%d mclk=%d f_in=%d f_out=%d PLD=%d PLM=%d MDIV=%d DIV=%d\n",  in ak4375_dai_set_pll()
362 		ak4375->rate, mclk, freq_in, freq_out, ak4375->pld, plm, mdiv, div);  in ak4375_dai_set_pll()
369 	struct snd_soc_component *component = dai->component;  in ak4375_mute()
373 	dev_dbg(ak4375->dev, "mute=%d val=%d\n", mute, val);  in ak4375_mute()
376 		ak4375->mute_save = val & DACMUTE_MASK;  in ak4375_mute()
379 		val |= ak4375->mute_save;  in ak4375_mute()
402 	.name = "ak4375-hifi",
417 	gpiod_set_value_cansleep(ak4375->pdn_gpiod, 0);  in ak4375_power_off()
420 	regulator_bulk_disable(ARRAY_SIZE(ak4375->supplies), ak4375->supplies);  in ak4375_power_off()
427 	ret = regulator_bulk_enable(ARRAY_SIZE(ak4375->supplies), ak4375->supplies);  in ak4375_power_on()
429 		dev_err(ak4375->dev, "Failed to enable regulators: %d\n", ret);  in ak4375_power_on()
435 	gpiod_set_value_cansleep(ak4375->pdn_gpiod, 1);  in ak4375_power_on()
445 	regcache_cache_only(ak4375->regmap, true);  in ak4375_runtime_suspend()
460 	regcache_cache_only(ak4375->regmap, false);  in ak4375_runtime_resume()
461 	regcache_mark_dirty(ak4375->regmap);  in ak4375_runtime_resume()
463 	return regcache_sync(ak4375->regmap);  in ak4375_runtime_resume()
505 	ak4375 = devm_kzalloc(&i2c->dev, sizeof(*ak4375), GFP_KERNEL);  in ak4375_i2c_probe()
507 		return -ENOMEM;  in ak4375_i2c_probe()
509 	ak4375->regmap = devm_regmap_init_i2c(i2c, &ak4375_regmap);  in ak4375_i2c_probe()
510 	if (IS_ERR(ak4375->regmap))  in ak4375_i2c_probe()
511 		return PTR_ERR(ak4375->regmap);  in ak4375_i2c_probe()
514 	ak4375->dev = &i2c->dev;  in ak4375_i2c_probe()
516 	drvdata = of_device_get_match_data(&i2c->dev);  in ak4375_i2c_probe()
519 		ak4375->supplies[i].supply = supply_names[i];  in ak4375_i2c_probe()
521 	ret = devm_regulator_bulk_get(ak4375->dev, ARRAY_SIZE(ak4375->supplies), ak4375->supplies);  in ak4375_i2c_probe()
523 		dev_err(ak4375->dev, "Failed to get regulators: %d\n", ret);  in ak4375_i2c_probe()
527 	ak4375->pdn_gpiod = devm_gpiod_get_optional(ak4375->dev, "pdn", GPIOD_OUT_LOW);  in ak4375_i2c_probe()
528 	if (IS_ERR(ak4375->pdn_gpiod))  in ak4375_i2c_probe()
529 		return dev_err_probe(ak4375->dev, PTR_ERR(ak4375->pdn_gpiod),  in ak4375_i2c_probe()
537 	regcache_cache_bypass(ak4375->regmap, true);  in ak4375_i2c_probe()
539 	ret = regmap_read(ak4375->regmap, AK4375_15_AUDIO_IF_FORMAT, &deviceid);  in ak4375_i2c_probe()
541 		dev_err(ak4375->dev, "unable to read DEVICEID!\n");  in ak4375_i2c_probe()
545 	regcache_cache_bypass(ak4375->regmap, false);  in ak4375_i2c_probe()
551 		dev_err(ak4375->dev, "found untested AK4331\n");  in ak4375_i2c_probe()
552 		return -EINVAL;  in ak4375_i2c_probe()
554 		dev_dbg(ak4375->dev, "found AK4375\n");  in ak4375_i2c_probe()
557 		dev_dbg(ak4375->dev, "found AK4375A\n");  in ak4375_i2c_probe()
560 		dev_err(ak4375->dev, "found unsupported AK4376/A!\n");  in ak4375_i2c_probe()
561 		return -EINVAL;  in ak4375_i2c_probe()
563 		dev_err(ak4375->dev, "found unsupported AK4377!\n");  in ak4375_i2c_probe()
564 		return -EINVAL;  in ak4375_i2c_probe()
566 		dev_err(ak4375->dev, "unrecognized DEVICEID!\n");  in ak4375_i2c_probe()
567 		return -EINVAL;  in ak4375_i2c_probe()
570 	pm_runtime_set_active(ak4375->dev);  in ak4375_i2c_probe()
571 	pm_runtime_enable(ak4375->dev);  in ak4375_i2c_probe()
573 	ret = devm_snd_soc_register_component(ak4375->dev, drvdata->comp_drv,  in ak4375_i2c_probe()
574 					      drvdata->dai_drv, 1);  in ak4375_i2c_probe()
576 		dev_err(ak4375->dev, "Failed to register CODEC: %d\n", ret);  in ak4375_i2c_probe()
585 	pm_runtime_disable(&i2c->dev);  in ak4375_i2c_remove()
589 	{ .compatible = "asahi-kasei,ak4375", .data = &ak4375_drvdata },