1 // SPDX-License-Identifier: GPL-2.0-only
3  * nau8810.c  --  NAU8810 ALSA Soc Audio driver
169 	struct soc_bytes_ext *params = (void *)kcontrol->private_value;  in nau8810_eq_get()
174 	val = (u16 *)ucontrol->value.bytes.data;  in nau8810_eq_get()
176 	for (i = 0; i < params->max / sizeof(u16); i++) {  in nau8810_eq_get()
177 		regmap_read(nau8810->regmap, reg + i, &reg_val);  in nau8810_eq_get()
178 		/* conversion of 16-bit integers between native CPU format  in nau8810_eq_get()
190  * cut-off frequency, bandwidth control, and equalizer path.
201 	struct soc_bytes_ext *params = (void *)kcontrol->private_value;  in nau8810_eq_put()
207 	data = kmemdup(ucontrol->value.bytes.data,  in nau8810_eq_put()
208 		params->max, GFP_KERNEL | GFP_DMA);  in nau8810_eq_put()
210 		return -ENOMEM;  in nau8810_eq_put()
214 	for (i = 0; i < params->max / sizeof(u16); i++) {  in nau8810_eq_put()
215 		/* conversion of 16-bit integers between native CPU format  in nau8810_eq_put()
220 		ret = regmap_write(nau8810->regmap, reg + i, value);  in nau8810_eq_put()
222 			dev_err(component->dev, "EQ configuration fail, register: %x ret: %d\n",  in nau8810_eq_put()
234 	"Off", "NC", "u-law", "A-law" };
263 static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1);
264 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
265 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1200, 75, 0);
266 static const DECLARE_TLV_DB_SCALE(spk_tlv, -5700, 100, 0);
271 	SOC_ENUM("DAC De-emphasis", nau8810_deemp_enum),
407 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);  in check_mclk_select_pll()
411 	regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &value);  in check_mclk_select_pll()
419 		snd_soc_dapm_to_component(source->dapm);  in check_mic_enabled()
423 	regmap_read(nau8810->regmap, NAU8810_REG_INPUT_SIGNAL, &value);  in check_mic_enabled()
426 	regmap_read(nau8810->regmap, NAU8810_REG_ADCBOOST, &value);  in check_mic_enabled()
461 	SND_SOC_DAPM_SUPPLY("PLL", NAU8810_REG_POWER1,
476 	{"DAC", NULL, "PLL", check_mclk_select_pll},
498 	{"ADC", NULL, "PLL", check_mclk_select_pll},
518 	struct snd_soc_component *component = dai->component;  in nau8810_set_sysclk()
521 	nau8810->clk_id = clk_id;  in nau8810_set_sysclk()
522 	nau8810->sysclk = freq;  in nau8810_set_sysclk()
523 	dev_dbg(nau8810->dev, "master sysclk %dHz, source %s\n",  in nau8810_set_sysclk()
524 		freq, clk_id == NAU8810_SCLK_PLL ? "PLL" : "MCLK");  in nau8810_set_sysclk()
536 		return -EINVAL;  in nau8810_calc_pll()
550 		return -EINVAL;  in nau8810_calc_pll()
551 	pll_param->mclk_scaler = scal_sel;  in nau8810_calc_pll()
554 	/* Calculate the PLL 4-bit integer input and the PLL 24-bit fractional  in nau8810_calc_pll()
558 	pll_param->pre_factor = 0;  in nau8810_calc_pll()
561 		pll_param->pre_factor = 1;  in nau8810_calc_pll()
563 	pll_param->pll_int = (pll_ratio >> 28) & 0xF;  in nau8810_calc_pll()
564 	pll_param->pll_frac = ((pll_ratio & 0xFFFFFFF) >> 4);  in nau8810_calc_pll()
572 	struct snd_soc_component *component = codec_dai->component;  in nau8810_set_pll()
574 	struct regmap *map = nau8810->regmap;  in nau8810_set_pll()
575 	struct nau8810_pll *pll_param = &nau8810->pll;  in nau8810_set_pll()
581 		dev_err(nau8810->dev, "Unsupported input clock %d\n", freq_in);  in nau8810_set_pll()
584 	dev_info(nau8810->dev, "pll_int=%x pll_frac=%x mclk_scaler=%x pre_factor=%x\n",  in nau8810_set_pll()
585 		pll_param->pll_int, pll_param->pll_frac, pll_param->mclk_scaler,  in nau8810_set_pll()
586 		pll_param->pre_factor);  in nau8810_set_pll()
590 		(pll_param->pre_factor ? NAU8810_PLLMCLK_DIV2 : 0) |  in nau8810_set_pll()
591 		pll_param->pll_int);  in nau8810_set_pll()
593 		(pll_param->pll_frac >> NAU8810_PLLK1_SFT) &  in nau8810_set_pll()
596 		(pll_param->pll_frac >> NAU8810_PLLK2_SFT) &  in nau8810_set_pll()
599 		pll_param->pll_frac & NAU8810_PLLK3_MASK);  in nau8810_set_pll()
601 		pll_param->mclk_scaler << NAU8810_MCLKSEL_SFT);  in nau8810_set_pll()
611 	struct snd_soc_component *component = codec_dai->component;  in nau8810_set_dai_fmt()
622 		return -EINVAL;  in nau8810_set_dai_fmt()
638 		return -EINVAL;  in nau8810_set_dai_fmt()
654 		return -EINVAL;  in nau8810_set_dai_fmt()
657 	regmap_update_bits(nau8810->regmap, NAU8810_REG_IFACE,  in nau8810_set_dai_fmt()
660 	regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,  in nau8810_set_dai_fmt()
670 	if (!nau8810->sysclk) {  in nau8810_mclk_clkdiv()
671 		dev_err(nau8810->dev, "Make mclk div configuration fail because of invalid system clock\n");  in nau8810_mclk_clkdiv()
672 		return -EINVAL;  in nau8810_mclk_clkdiv()
675 	/* Configure the master clock prescaler div to make system  in nau8810_mclk_clkdiv()
676 	 * clock to approximate the internal master clock (IMCLK);  in nau8810_mclk_clkdiv()
680 		sclk = (nau8810->sysclk * 10) /  in nau8810_mclk_clkdiv()
686 	dev_dbg(nau8810->dev,  in nau8810_mclk_clkdiv()
687 		"master clock prescaler %x for fs %d\n", div, rate);  in nau8810_mclk_clkdiv()
689 	/* master clock from MCLK and disable PLL */  in nau8810_mclk_clkdiv()
690 	regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,  in nau8810_mclk_clkdiv()
692 	regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,  in nau8810_mclk_clkdiv()
701 	struct snd_soc_component *component = dai->component;  in nau8810_pcm_hw_params()
706 	/* Select BCLK configuration if the codec as master. */  in nau8810_pcm_hw_params()
707 	regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &ctrl_val);  in nau8810_pcm_hw_params()
718 			return -EINVAL;  in nau8810_pcm_hw_params()
719 		regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,  in nau8810_pcm_hw_params()
758 	regmap_update_bits(nau8810->regmap, NAU8810_REG_IFACE,  in nau8810_pcm_hw_params()
760 	regmap_update_bits(nau8810->regmap, NAU8810_REG_SMPLR,  in nau8810_pcm_hw_params()
763 	/* If the master clock is from MCLK, provide the runtime FS for driver  in nau8810_pcm_hw_params()
764 	 * to get the master clock prescaler configuration.  in nau8810_pcm_hw_params()
766 	if (nau8810->clk_id == NAU8810_SCLK_MCLK) {  in nau8810_pcm_hw_params()
769 			dev_err(nau8810->dev, "MCLK div configuration fail\n");  in nau8810_pcm_hw_params()
779 	struct regmap *map = nau8810->regmap;  in nau8810_set_bias_level()
827 	.name = "nau8810-hifi",
876 	struct device *dev = &i2c->dev;  in nau8810_i2c_probe()
882 			return -ENOMEM;  in nau8810_i2c_probe()
886 	nau8810->regmap = devm_regmap_init_i2c(i2c, &nau8810_regmap_config);  in nau8810_i2c_probe()
887 	if (IS_ERR(nau8810->regmap))  in nau8810_i2c_probe()
888 		return PTR_ERR(nau8810->regmap);  in nau8810_i2c_probe()
889 	nau8810->dev = dev;  in nau8810_i2c_probe()
891 	regmap_write(nau8810->regmap, NAU8810_REG_RESET, 0x00);  in nau8810_i2c_probe()