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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/soc/codecs/nau8810.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * nau8810.c  --  NAU8810 ALSA Soc Audio driver
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  *
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@@ -6,10 +7,6 @@
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  * Author: David Lin <ctlin0@nuvoton.com>
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  *
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  * Based on WM8974.c
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -358,6 +355,8 @@
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 /* Speaker Output Mixer */
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 static const struct snd_kcontrol_new nau8810_speaker_mixer_controls[] = {
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+	SOC_DAPM_SINGLE("AUX Bypass Switch", NAU8810_REG_SPKMIX,
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+		NAU8810_AUXSPK_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("Line Bypass Switch", NAU8810_REG_SPKMIX,
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 		NAU8810_BYPSPK_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("PCM Playback Switch", NAU8810_REG_SPKMIX,
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@@ -366,6 +365,8 @@
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 /* Mono Output Mixer */
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 static const struct snd_kcontrol_new nau8810_mono_mixer_controls[] = {
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+	SOC_DAPM_SINGLE("AUX Bypass Switch", NAU8810_REG_MONOMIX,
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+		NAU8810_AUXMOUT_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("Line Bypass Switch", NAU8810_REG_MONOMIX,
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 		NAU8810_BYPMOUT_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("PCM Playback Switch", NAU8810_REG_MONOMIX,
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@@ -374,6 +375,8 @@
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 /* PGA Mute */
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 static const struct snd_kcontrol_new nau8810_pgaboost_mixer_controls[] = {
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+	SOC_DAPM_SINGLE("AUX PGA Switch", NAU8810_REG_ADCBOOST,
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+		NAU8810_AUXBSTGAIN_SFT, 0x7, 0),
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 	SOC_DAPM_SINGLE("PGA Mute Switch", NAU8810_REG_PGAGAIN,
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 		NAU8810_PGAMT_SFT, 1, 1),
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 	SOC_DAPM_SINGLE("PMIC PGA Switch", NAU8810_REG_ADCBOOST,
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@@ -382,6 +385,8 @@
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 /* Input PGA */
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 static const struct snd_kcontrol_new nau8810_inpga[] = {
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+	SOC_DAPM_SINGLE("AUX Switch", NAU8810_REG_INPUT_SIGNAL,
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+		NAU8810_AUXPGA_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("MicN Switch", NAU8810_REG_INPUT_SIGNAL,
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 		NAU8810_NMICPGA_SFT, 1, 0),
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 	SOC_DAPM_SINGLE("MicP Switch", NAU8810_REG_INPUT_SIGNAL,
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@@ -402,6 +407,23 @@
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 	regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &value);
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 	return (value & NAU8810_CLKM_MASK);
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+}
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+
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+static int check_mic_enabled(struct snd_soc_dapm_widget *source,
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+	struct snd_soc_dapm_widget *sink)
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+{
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+	struct snd_soc_component *component =
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+		snd_soc_dapm_to_component(source->dapm);
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+	struct nau8810 *nau8810 = snd_soc_component_get_drvdata(component);
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+	unsigned int value;
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+
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+	regmap_read(nau8810->regmap, NAU8810_REG_INPUT_SIGNAL, &value);
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+	if (value & NAU8810_PMICPGA_EN || value & NAU8810_NMICPGA_EN)
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+		return 1;
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+	regmap_read(nau8810->regmap, NAU8810_REG_ADCBOOST, &value);
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+	if (value & NAU8810_PMICBSTGAIN_MASK)
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+		return 1;
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+	return 0;
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 }
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 static const struct snd_soc_dapm_widget nau8810_dapm_widgets[] = {
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@@ -428,6 +450,8 @@
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 	SND_SOC_DAPM_MIXER("Input Boost Stage", NAU8810_REG_POWER2,
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 		NAU8810_BST_EN_SFT, 0, nau8810_pgaboost_mixer_controls,
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 		ARRAY_SIZE(nau8810_pgaboost_mixer_controls)),
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+	SND_SOC_DAPM_PGA("AUX Input", NAU8810_REG_POWER1,
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+		NAU8810_AUX_EN_SFT, 0, NULL, 0),
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 	SND_SOC_DAPM_SUPPLY("Mic Bias", NAU8810_REG_POWER1,
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 		NAU8810_MICBIAS_EN_SFT, 0, NULL, 0),
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@@ -437,6 +461,7 @@
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 	SND_SOC_DAPM_SWITCH("Digital Loopback", SND_SOC_NOPM, 0, 0,
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 		&nau8810_loopback),
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+	SND_SOC_DAPM_INPUT("AUX"),
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 	SND_SOC_DAPM_INPUT("MICN"),
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 	SND_SOC_DAPM_INPUT("MICP"),
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 	SND_SOC_DAPM_OUTPUT("MONOOUT"),
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@@ -448,10 +473,12 @@
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 	{"DAC", NULL, "PLL", check_mclk_select_pll},
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 	/* Mono output mixer */
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+	{"Mono Mixer", "AUX Bypass Switch", "AUX Input"},
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 	{"Mono Mixer", "PCM Playback Switch", "DAC"},
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 	{"Mono Mixer", "Line Bypass Switch", "Input Boost Stage"},
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 	/* Speaker output mixer */
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+	{"Speaker Mixer", "AUX Bypass Switch", "AUX Input"},
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 	{"Speaker Mixer", "PCM Playback Switch", "DAC"},
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 	{"Speaker Mixer", "Line Bypass Switch", "Input Boost Stage"},
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@@ -466,13 +493,16 @@
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 	/* Input Boost Stage */
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 	{"ADC", NULL, "Input Boost Stage"},
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 	{"ADC", NULL, "PLL", check_mclk_select_pll},
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+	{"Input Boost Stage", "AUX PGA Switch", "AUX Input"},
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 	{"Input Boost Stage", "PGA Mute Switch", "Input PGA"},
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 	{"Input Boost Stage", "PMIC PGA Switch", "MICP"},
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 	/* Input PGA */
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-	{"Input PGA", NULL, "Mic Bias"},
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+	{"Input PGA", NULL, "Mic Bias", check_mic_enabled},
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+	{"Input PGA", "AUX Switch", "AUX Input"},
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 	{"Input PGA", "MicN Switch", "MICN"},
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 	{"Input PGA", "MicP Switch", "MICP"},
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+	{"AUX Input", NULL, "AUX"},
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 	/* Digital Looptack */
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 	{"Digital Loopback", "Switch", "ADC"},
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@@ -493,7 +523,7 @@
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 	return 0;
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 }
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-static int nau88l0_calc_pll(unsigned int pll_in,
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+static int nau8810_calc_pll(unsigned int pll_in,
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 	unsigned int fs, struct nau8810_pll *pll_param)
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 {
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 	u64 f2, f2_max, pll_ratio;
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@@ -505,7 +535,8 @@
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 	f2_max = 0;
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 	scal_sel = ARRAY_SIZE(nau8810_mclk_scaler);
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 	for (i = 0; i < ARRAY_SIZE(nau8810_mclk_scaler); i++) {
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-		f2 = 256 * fs * 4 * nau8810_mclk_scaler[i] / 10;
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+		f2 = 256ULL * fs * 4 * nau8810_mclk_scaler[i];
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+		f2 = div_u64(f2, 10);
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 		if (f2 > NAU_PLL_FREQ_MIN && f2 < NAU_PLL_FREQ_MAX &&
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 			f2_max < f2) {
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 			f2_max = f2;
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@@ -542,7 +573,7 @@
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 	int ret, fs;
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 	fs = freq_out / 256;
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-	ret = nau88l0_calc_pll(freq_in, fs, pll_param);
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+	ret = nau8810_calc_pll(freq_in, fs, pll_param);
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 	if (ret < 0) {
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 		dev_err(nau8810->dev, "Unsupported input clock %d\n", freq_in);
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 		return ret;
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@@ -667,6 +698,24 @@
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 	struct snd_soc_component *component = dai->component;
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 	struct nau8810 *nau8810 = snd_soc_component_get_drvdata(component);
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 	int val_len = 0, val_rate = 0, ret = 0;
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+	unsigned int ctrl_val, bclk_fs, bclk_div;
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+
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+	/* Select BCLK configuration if the codec as master. */
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+	regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &ctrl_val);
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+	if (ctrl_val & NAU8810_CLKIO_MASTER) {
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+		/* get the bclk and fs ratio */
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+		bclk_fs = snd_soc_params_to_bclk(params) / params_rate(params);
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+		if (bclk_fs <= 32)
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+			bclk_div = NAU8810_BCLKDIV_8;
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+		else if (bclk_fs <= 64)
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+			bclk_div = NAU8810_BCLKDIV_4;
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+		else if (bclk_fs <= 128)
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+			bclk_div = NAU8810_BCLKDIV_2;
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+		else
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+			return -EINVAL;
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+		regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,
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+			NAU8810_BCLKSEL_MASK, bclk_div);
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+	}
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 	switch (params_width(params)) {
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 	case 16:
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@@ -846,6 +895,8 @@
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 static const struct i2c_device_id nau8810_i2c_id[] = {
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 	{ "nau8810", 0 },
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+	{ "nau8812", 0 },
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+	{ "nau8814", 0 },
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 	{ }
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 };
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 MODULE_DEVICE_TABLE(i2c, nau8810_i2c_id);
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@@ -853,6 +904,8 @@
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 #ifdef CONFIG_OF
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 static const struct of_device_id nau8810_of_match[] = {
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 	{ .compatible = "nuvoton,nau8810", },
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+	{ .compatible = "nuvoton,nau8812", },
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+	{ .compatible = "nuvoton,nau8814", },
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 	{ }
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 };
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 MODULE_DEVICE_TABLE(of, nau8810_of_match);