1 // SPDX-License-Identifier: GPL-2.0-only
108 static const char *const pcm3168a_con[] = { "Differential", "Single-Ended" };
126 /* -100db to 0db, register values 0-54 cause mute */
127 static const DECLARE_TLV_DB_SCALE(pcm3168a_dac_tlv, -10050, 50, 1);
129 /* -100db to 20db, register values 0-14 cause mute */
130 static const DECLARE_TLV_DB_SCALE(pcm3168a_adc_tlv, -10050, 50, 1);
133 	SOC_SINGLE("DAC Power-Save Switch", PCM3168A_DAC_PWR_MST_FMT,
135 	SOC_ENUM("DAC1 Digital Filter roll-off", pcm3168a_d1_roll_off),
136 	SOC_ENUM("DAC2 Digital Filter roll-off", pcm3168a_d2_roll_off),
137 	SOC_ENUM("DAC3 Digital Filter roll-off", pcm3168a_d3_roll_off),
138 	SOC_ENUM("DAC4 Digital Filter roll-off", pcm3168a_d4_roll_off),
145 	SOC_ENUM("DAC De-Emphasis", pcm3168a_dac_demp),
167 	SOC_SINGLE("ADC1 High-Pass Filter Switch", PCM3168A_ADC_PWR_HPFB,
169 	SOC_SINGLE("ADC2 High-Pass Filter Switch", PCM3168A_ADC_PWR_HPFB,
171 	SOC_SINGLE("ADC3 High-Pass Filter Switch", PCM3168A_ADC_PWR_HPFB,
271 #define PCM3168A_NUM_SCKI_RATIOS_ADC	(ARRAY_SIZE(pcm3168a_scki_ratios) - 2)
279 	ret = regmap_write(pcm3168a->regmap, PCM3168A_RST_SMODE, 0);  in pcm3168a_reset()
283 	/* Internal reset is de-asserted after 3846 SCKI cycles */  in pcm3168a_reset()
284 	msleep(DIV_ROUND_UP(3846 * 1000, pcm3168a->sysclk));  in pcm3168a_reset()
286 	return regmap_write(pcm3168a->regmap, PCM3168A_RST_SMODE,  in pcm3168a_reset()
292 	struct snd_soc_component *component = dai->component;  in pcm3168a_mute()
295 	regmap_write(pcm3168a->regmap, PCM3168A_DAC_MUTE, mute ? 0xff : 0);  in pcm3168a_mute()
303 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(dai->component);  in pcm3168a_set_dai_sysclk()
314 		return -EINVAL;  in pcm3168a_set_dai_sysclk()
316 	ret = clk_set_rate(pcm3168a->scki, freq);  in pcm3168a_set_dai_sysclk()
320 	pcm3168a->sysclk = freq;  in pcm3168a_set_dai_sysclk()
327 	struct snd_soc_component *component = dai->component;  in pcm3168a_update_fixup_pcm_stream()
329 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_update_fixup_pcm_stream()
331 	unsigned int channel_max = dai->id == PCM3168A_DAI_DAC ? 8 : 6;  in pcm3168a_update_fixup_pcm_stream()
333 	if (io_params->format == SND_SOC_DAIFMT_RIGHT_J) {  in pcm3168a_update_fixup_pcm_stream()
341 		if (io_params->tdm_slots != 2)  in pcm3168a_update_fixup_pcm_stream()
345 	if (dai->id == PCM3168A_DAI_DAC) {  in pcm3168a_update_fixup_pcm_stream()
346 		dai->driver->playback.channels_max = channel_max;  in pcm3168a_update_fixup_pcm_stream()
347 		dai->driver->playback.formats = formats;  in pcm3168a_update_fixup_pcm_stream()
349 		dai->driver->capture.channels_max = channel_max;  in pcm3168a_update_fixup_pcm_stream()
350 		dai->driver->capture.formats = formats;  in pcm3168a_update_fixup_pcm_stream()
356 	struct snd_soc_component *component = dai->component;  in pcm3168a_set_dai_fmt()
358 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_set_dai_fmt()
369 		dev_err(component->dev, "unsupported dai format\n");  in pcm3168a_set_dai_fmt()
370 		return -EINVAL;  in pcm3168a_set_dai_fmt()
381 		dev_err(component->dev, "unsupported provider mode\n");  in pcm3168a_set_dai_fmt()
382 		return -EINVAL;  in pcm3168a_set_dai_fmt()
389 		return -EINVAL;  in pcm3168a_set_dai_fmt()
392 	io_params->provider_mode = provider_mode;  in pcm3168a_set_dai_fmt()
393 	io_params->format = format & SND_SOC_DAIFMT_FORMAT_MASK;  in pcm3168a_set_dai_fmt()
404 	struct snd_soc_component *component = dai->component;  in pcm3168a_set_tdm_slot()
406 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_set_tdm_slot()
409 		dev_err(component->dev,  in pcm3168a_set_tdm_slot()
412 		return -EINVAL;  in pcm3168a_set_tdm_slot()
417 		dev_err(component->dev, "Unsupported slot_width %d\n",  in pcm3168a_set_tdm_slot()
419 		return -EINVAL;  in pcm3168a_set_tdm_slot()
422 	io_params->tdm_slots = slots;  in pcm3168a_set_tdm_slot()
423 	io_params->slot_width = slot_width;  in pcm3168a_set_tdm_slot()
425 	if (dai->id == PCM3168A_DAI_DAC)  in pcm3168a_set_tdm_slot()
426 		io_params->tdm_mask = tx_mask;  in pcm3168a_set_tdm_slot()
428 		io_params->tdm_mask = rx_mask;  in pcm3168a_set_tdm_slot()
439 	struct snd_soc_component *component = dai->component;  in pcm3168a_hw_params()
441 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_hw_params()
447 	if (dai->id == PCM3168A_DAI_DAC) {  in pcm3168a_hw_params()
461 	provider_mode = io_params->provider_mode;  in pcm3168a_hw_params()
464 		ratio = pcm3168a->sysclk / params_rate(params);  in pcm3168a_hw_params()
472 			dev_err(component->dev, "unsupported sysclk ratio\n");  in pcm3168a_hw_params()
473 			return -EINVAL;  in pcm3168a_hw_params()
481 	format = io_params->format;  in pcm3168a_hw_params()
483 	if (io_params->slot_width)  in pcm3168a_hw_params()
484 		slot_width = io_params->slot_width;  in pcm3168a_hw_params()
491 …dev_err(component->dev, "16-bit slots are supported only for consumer mode using right justified\n…  in pcm3168a_hw_params()
492 			return -EINVAL;  in pcm3168a_hw_params()
498 …dev_err(component->dev, "24-bit slots not supported in provider mode, or consumer mode using DSP\n…  in pcm3168a_hw_params()
499 			return -EINVAL;  in pcm3168a_hw_params()
505 		dev_err(component->dev, "unsupported frame size: %d\n", slot_width);  in pcm3168a_hw_params()
506 		return -EINVAL;  in pcm3168a_hw_params()
509 	if (io_params->tdm_slots)  in pcm3168a_hw_params()
510 		tdm_slots = io_params->tdm_slots;  in pcm3168a_hw_params()
517 	 * If pcm3168a->tdm_slots is not set or set to more than 2 (8/6 usually)  in pcm3168a_hw_params()
519 	 * If pcm3168a->tdm_slots is set to 2 then DIN1/2/3/4 and DOUT1/2/3 is  in pcm3168a_hw_params()
532 			dev_err(component->dev,  in pcm3168a_hw_params()
534 			return -EINVAL;  in pcm3168a_hw_params()
556 		return -EINVAL;  in pcm3168a_hw_params()
559 	regmap_update_bits(pcm3168a->regmap, reg, mask,  in pcm3168a_hw_params()
602 		.name = "pcm3168a-dac",
614 		.name = "pcm3168a-adc",
727 		return -ENOMEM;  in pcm3168a_probe()
739 	pcm3168a->gpio_rst = devm_gpiod_get_optional(dev, "reset",  in pcm3168a_probe()
742 	if (IS_ERR(pcm3168a->gpio_rst))  in pcm3168a_probe()
743 		return dev_err_probe(dev, PTR_ERR(pcm3168a->gpio_rst),  in pcm3168a_probe()
746 	pcm3168a->scki = devm_clk_get(dev, "scki");  in pcm3168a_probe()
747 	if (IS_ERR(pcm3168a->scki))  in pcm3168a_probe()
748 		return dev_err_probe(dev, PTR_ERR(pcm3168a->scki),  in pcm3168a_probe()
751 	ret = clk_prepare_enable(pcm3168a->scki);  in pcm3168a_probe()
757 	pcm3168a->sysclk = clk_get_rate(pcm3168a->scki);  in pcm3168a_probe()
759 	for (i = 0; i < ARRAY_SIZE(pcm3168a->supplies); i++)  in pcm3168a_probe()
760 		pcm3168a->supplies[i].supply = pcm3168a_supply_names[i];  in pcm3168a_probe()
763 			ARRAY_SIZE(pcm3168a->supplies), pcm3168a->supplies);  in pcm3168a_probe()
769 	ret = regulator_bulk_enable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_probe()
770 				    pcm3168a->supplies);  in pcm3168a_probe()
776 	pcm3168a->regmap = regmap;  in pcm3168a_probe()
777 	if (IS_ERR(pcm3168a->regmap)) {  in pcm3168a_probe()
778 		ret = PTR_ERR(pcm3168a->regmap);  in pcm3168a_probe()
783 	if (pcm3168a->gpio_rst) {  in pcm3168a_probe()
786 		 * 3846 SCKI clock cycles for the internal reset de-assertion  in pcm3168a_probe()
788 		msleep(DIV_ROUND_UP(3846 * 1000, pcm3168a->sysclk));  in pcm3168a_probe()
801 	memcpy(pcm3168a->dai_drv, pcm3168a_dais, sizeof(pcm3168a->dai_drv));  in pcm3168a_probe()
803 					      pcm3168a->dai_drv,  in pcm3168a_probe()
804 					      ARRAY_SIZE(pcm3168a->dai_drv));  in pcm3168a_probe()
813 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_probe()
814 			pcm3168a->supplies);  in pcm3168a_probe()
816 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_probe()
826 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_disable()
827 			       pcm3168a->supplies);  in pcm3168a_disable()
828 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_disable()
841 	gpiod_set_value_cansleep(pcm3168a->gpio_rst, 1);  in pcm3168a_remove()
855 	ret = clk_prepare_enable(pcm3168a->scki);  in pcm3168a_rt_resume()
861 	ret = regulator_bulk_enable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_rt_resume()
862 				    pcm3168a->supplies);  in pcm3168a_rt_resume()
874 	regcache_cache_only(pcm3168a->regmap, false);  in pcm3168a_rt_resume()
876 	regcache_mark_dirty(pcm3168a->regmap);  in pcm3168a_rt_resume()
878 	ret = regcache_sync(pcm3168a->regmap);  in pcm3168a_rt_resume()
887 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_rt_resume()
888 			       pcm3168a->supplies);  in pcm3168a_rt_resume()
890 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_rt_resume()
899 	regcache_cache_only(pcm3168a->regmap, true);  in pcm3168a_rt_suspend()