soc/codecs/wm8900.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8900.c  --  WM8900 ALSA Soc Audio driver
10  *  - Tristating.
11  *  - TDM.
12  *  - Jack detect.
13  *  - FLL source configuration, currently only MCLK is supported.
224 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in wm8900_hp_event()
286 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 100, 0);
288 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 0);
290 static const DECLARE_TLV_DB_SCALE(in_boost_tlv, -1200, 600, 0);
292 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1200, 100, 0);
296 static const DECLARE_TLV_DB_SCALE(dac_tlv, -7200, 75, 1);
298 static const DECLARE_TLV_DB_SCALE(adc_svol_tlv, -3600, 300, 0);
300 static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1);
320 	"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"
369 SOC_SINGLE("DAC Sigma-Delta Modulator Clock Switch", WM8900_REG_DACCTRL,
373 SOC_ENUM("ADC HPF Cut-Off", adc_hpf_cut),
441 SOC_SINGLE("LINEOUT2 LP -12dB", WM8900_REG_LOUTMIXCTL1,
498 /* Externally visible pins */
629 	struct snd_soc_component *component = dai->component;  in wm8900_hw_params()
647 		return -EINVAL;  in wm8900_hw_params()
652 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in wm8900_hw_params()
687 		return -EINVAL;  in fll_factors()
689 	/* The FLL must run at 90-100MHz which is then scaled down to  in fll_factors()
705 		return -EINVAL;  in fll_factors()
708 	fll_div->fllclk_div = div >> 2;  in fll_factors()
711 		fll_div->fll_slow_lock_ref = 1;  in fll_factors()
713 		fll_div->fll_slow_lock_ref = 0;  in fll_factors()
718 		fll_div->fll_ratio = 8;  in fll_factors()
720 		fll_div->fll_ratio = 1;  in fll_factors()
722 	fll_div->n = Ndiv / fll_div->fll_ratio;  in fll_factors()
723 	Nmod = (target / fll_div->fll_ratio) % Fref;  in fll_factors()
725 	/* Calculate fractional part - scale up so we can round. */  in fll_factors()
736 	fll_div->k = K / 10;  in fll_factors()
738 	if (WARN_ON(target != Fout * (fll_div->fllclk_div << 2)) ||  in fll_factors()
739 	    WARN_ON(!K && target != Fref * fll_div->fll_ratio * fll_div->n))  in fll_factors()
740 		return -EINVAL;  in fll_factors()
751 	if (wm8900->fll_in == freq_in && wm8900->fll_out == freq_out)  in wm8900_set_fll()
764 		wm8900->fll_in = freq_in;  in wm8900_set_fll()
765 		wm8900->fll_out = freq_out;  in wm8900_set_fll()
773 	wm8900->fll_in = freq_in;  in wm8900_set_fll()
774 	wm8900->fll_out = freq_out;  in wm8900_set_fll()
812 	return wm8900_set_fll(codec_dai->component, pll_id, freq_in, freq_out);  in wm8900_set_dai_pll()
818 	struct snd_soc_component *component = codec_dai->component;  in wm8900_set_dai_clkdiv()
850 		return -EINVAL;  in wm8900_set_dai_clkdiv()
860 	struct snd_soc_component *component = codec_dai->component;  in wm8900_set_dai_fmt()
861 	unsigned int clocking1, aif1, aif3, aif4;  in wm8900_set_dai_fmt()  local
864 	aif1 = snd_soc_component_read(component, WM8900_REG_AUDIO1);  in wm8900_set_dai_fmt()
891 		return -EINVAL;  in wm8900_set_dai_fmt()
896 		aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK;  in wm8900_set_dai_fmt()
897 		aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
900 		aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK;  in wm8900_set_dai_fmt()
901 		aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
904 		aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;  in wm8900_set_dai_fmt()
905 		aif1 |= 0x10;  in wm8900_set_dai_fmt()
908 		aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;  in wm8900_set_dai_fmt()
911 		aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;  in wm8900_set_dai_fmt()
912 		aif1 |= 0x8;  in wm8900_set_dai_fmt()
915 		return -EINVAL;  in wm8900_set_dai_fmt()
925 			aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
928 			aif1 |= WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
931 			return -EINVAL;  in wm8900_set_dai_fmt()
939 			aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
940 			aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
943 			aif1 |= WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
944 			aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
947 			aif1 |= WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
948 			aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
951 			aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;  in wm8900_set_dai_fmt()
952 			aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;  in wm8900_set_dai_fmt()
955 			return -EINVAL;  in wm8900_set_dai_fmt()
959 		return -EINVAL;  in wm8900_set_dai_fmt()
963 	snd_soc_component_write(component, WM8900_REG_AUDIO1, aif1);  in wm8900_set_dai_fmt()
972 	struct snd_soc_component *component = codec_dai->component;  in wm8900_mute()
1005 	.name = "wm8900-hifi",
1118 	int fll_out = wm8900->fll_out;  in wm8900_suspend()
1119 	int fll_in  = wm8900->fll_in;  in wm8900_suspend()
1125 		dev_err(component->dev, "Failed to stop FLL\n");  in wm8900_suspend()
1129 	wm8900->fll_out = fll_out;  in wm8900_suspend()
1130 	wm8900->fll_in = fll_in;  in wm8900_suspend()
1144 	ret = regcache_sync(wm8900->regmap);  in wm8900_resume()
1146 		dev_err(component->dev, "Failed to restore cache: %d\n", ret);  in wm8900_resume()
1153 	if (wm8900->fll_out) {  in wm8900_resume()
1154 		int fll_out = wm8900->fll_out;  in wm8900_resume()
1155 		int fll_in  = wm8900->fll_in;  in wm8900_resume()
1157 		wm8900->fll_in = 0;  in wm8900_resume()
1158 		wm8900->fll_out = 0;  in wm8900_resume()
1162 			dev_err(component->dev, "Failed to restart FLL\n");  in wm8900_resume()
1176 		dev_err(component->dev, "Device is not a WM8900 - ID %x\n", reg);  in wm8900_probe()
1177 		return -ENODEV;  in wm8900_probe()
1237 	wm8900 = devm_kzalloc(&spi->dev, sizeof(struct wm8900_priv),  in wm8900_spi_probe()
1240 		return -ENOMEM;  in wm8900_spi_probe()
1242 	wm8900->regmap = devm_regmap_init_spi(spi, &wm8900_regmap);  in wm8900_spi_probe()
1243 	if (IS_ERR(wm8900->regmap))  in wm8900_spi_probe()
1244 		return PTR_ERR(wm8900->regmap);  in wm8900_spi_probe()
1248 	ret = devm_snd_soc_register_component(&spi->dev,  in wm8900_spi_probe()
1268 	wm8900 = devm_kzalloc(&i2c->dev, sizeof(struct wm8900_priv),  in wm8900_i2c_probe()
1271 		return -ENOMEM;  in wm8900_i2c_probe()
1273 	wm8900->regmap = devm_regmap_init_i2c(i2c, &wm8900_regmap);  in wm8900_i2c_probe()
1274 	if (IS_ERR(wm8900->regmap))  in wm8900_i2c_probe()
1275 		return PTR_ERR(wm8900->regmap);  in wm8900_i2c_probe()
1279 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8900_i2c_probe()