1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8400.c  --  WM8400 ALSA Soc Audio driver
5  * Copyright 2008-11 Wolfson Microelectronics PLC.
18 #include <linux/mfd/wm8400-audio.h>
19 #include <linux/mfd/wm8400-private.h>
32 		.supply = "I2S1VDD",
35 		.supply = "I2S2VDD",
38 		.supply = "DCVDD",
41 		.supply = "AVDD",
44 		.supply = "FLLVDD",
47 		.supply = "HPVDD",
50 		.supply = "SPKVDD",
67 	wm8400_reset_codec_reg_cache(wm8400->wm8400);  in wm8400_component_reset()
70 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
72 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
74 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
76 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
78 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
80 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
87 		(struct soc_mixer_control *)kcontrol->private_value;  in wm8400_outpga_put_volsw_vu()
88 	int reg = mc->reg;  in wm8400_outpga_put_volsw_vu()
120 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
318 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in outmixer_event()
320 		(struct soc_mixer_control *)kcontrol->private_value;  in outmixer_event()
321 	u32 reg_shift = mc->shift;  in outmixer_event()
331 			ret = -1;  in outmixer_event()
339 			ret = -1;  in outmixer_event()
347 			ret = -1;  in outmixer_event()
355 			ret = -1;  in outmixer_event()
364 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
835 	struct snd_soc_component *component = codec_dai->component;  in wm8400_set_dai_sysclk()
838 	wm8400->sysclk = freq;  in wm8400_set_dai_sysclk()
858 	factors->outdiv = 2;  in fll_factors()
859 	while (Fout * factors->outdiv <  90000000 ||  in fll_factors()
860 	       Fout * factors->outdiv > 100000000) {  in fll_factors()
861 		factors->outdiv *= 2;  in fll_factors()
862 		if (factors->outdiv > 32) {  in fll_factors()
863 			dev_err(wm8400->wm8400->dev,  in fll_factors()
866 			return -EINVAL;  in fll_factors()
869 	target = Fout * factors->outdiv;  in fll_factors()
870 	factors->outdiv = factors->outdiv >> 2;  in fll_factors()
873 		factors->freq_ref = 1;  in fll_factors()
875 		factors->freq_ref = 0;  in fll_factors()
878 		factors->fratio = 9;  in fll_factors()
880 		factors->fratio = 0;  in fll_factors()
885 			factors->fratio--;  in fll_factors()
887 			factors->fratio++;  in fll_factors()
889 		if (factors->fratio < 1 || factors->fratio > 8) {  in fll_factors()
890 			dev_err(wm8400->wm8400->dev,  in fll_factors()
892 			return -EINVAL;  in fll_factors()
895 		factors->n = target / (Fref * factors->fratio);  in fll_factors()
896 		Nmod = target % (Fref * factors->fratio);  in fll_factors()
899 	/* Calculate fractional part - scale up so we can round. */  in fll_factors()
902 	do_div(Kpart, (Fref * factors->fratio));  in fll_factors()
910 	factors->k = K / 10;  in fll_factors()
912 	dev_dbg(wm8400->wm8400->dev,  in fll_factors()
915 		factors->n, factors->k, factors->fratio, factors->outdiv);  in fll_factors()
924 	struct snd_soc_component *component = codec_dai->component;  in wm8400_set_dai_pll()
930 	if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)  in wm8400_set_dai_pll()
938 		/* Bodge GCC 4.4.0 uninitialised variable warning - it  in wm8400_set_dai_pll()
944 	wm8400->fll_out = freq_out;  in wm8400_set_dai_pll()
945 	wm8400->fll_in = freq_in;  in wm8400_set_dai_pll()
981 	struct snd_soc_component *component = codec_dai->component;  in wm8400_set_dai_fmt()
996 		return -EINVAL;  in wm8400_set_dai_fmt()
1023 		return -EINVAL;  in wm8400_set_dai_fmt()
1034 	struct snd_soc_component *component = codec_dai->component;  in wm8400_set_dai_clkdiv()
1059 		return -EINVAL;  in wm8400_set_dai_clkdiv()
1072 	struct snd_soc_component *component = dai->component;  in wm8400_hw_params()
1097 	struct snd_soc_component *component = dai->component;  in wm8400_mute()
1132 				dev_err(wm8400->wm8400->dev,  in wm8400_set_bias_level()
1242 	.name = "wm8400-hifi",
1262 	struct wm8400 *wm8400 = dev_get_platdata(component->dev);  in wm8400_component_probe()
1267 	priv = devm_kzalloc(component->dev, sizeof(struct wm8400_priv),  in wm8400_component_probe()
1270 		return -ENOMEM;  in wm8400_component_probe()
1272 	snd_soc_component_init_regmap(component, wm8400->regmap);  in wm8400_component_probe()
1274 	priv->wm8400 = wm8400;  in wm8400_component_probe()
1276 	ret = devm_regulator_bulk_get(wm8400->dev,  in wm8400_component_probe()
1279 		dev_err(component->dev, "Failed to get regulators: %d\n", ret);  in wm8400_component_probe()
1329 	return devm_snd_soc_register_component(&pdev->dev,  in wm8400_probe()
1336 		   .name = "wm8400-codec",
1346 MODULE_ALIAS("platform:wm8400-codec");