From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/codecs/nau8810.c | 69 ++++++++++++++++++++++++++++++----
1 files changed, 61 insertions(+), 8 deletions(-)
diff --git a/kernel/sound/soc/codecs/nau8810.c b/kernel/sound/soc/codecs/nau8810.c
index 645aa07..33ebc63 100644
--- a/kernel/sound/soc/codecs/nau8810.c
+++ b/kernel/sound/soc/codecs/nau8810.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* nau8810.c -- NAU8810 ALSA Soc Audio driver
*
@@ -6,10 +7,6 @@
* Author: David Lin <ctlin0@nuvoton.com>
*
* Based on WM8974.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
@@ -358,6 +355,8 @@
/* Speaker Output Mixer */
static const struct snd_kcontrol_new nau8810_speaker_mixer_controls[] = {
+ SOC_DAPM_SINGLE("AUX Bypass Switch", NAU8810_REG_SPKMIX,
+ NAU8810_AUXSPK_SFT, 1, 0),
SOC_DAPM_SINGLE("Line Bypass Switch", NAU8810_REG_SPKMIX,
NAU8810_BYPSPK_SFT, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", NAU8810_REG_SPKMIX,
@@ -366,6 +365,8 @@
/* Mono Output Mixer */
static const struct snd_kcontrol_new nau8810_mono_mixer_controls[] = {
+ SOC_DAPM_SINGLE("AUX Bypass Switch", NAU8810_REG_MONOMIX,
+ NAU8810_AUXMOUT_SFT, 1, 0),
SOC_DAPM_SINGLE("Line Bypass Switch", NAU8810_REG_MONOMIX,
NAU8810_BYPMOUT_SFT, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", NAU8810_REG_MONOMIX,
@@ -374,6 +375,8 @@
/* PGA Mute */
static const struct snd_kcontrol_new nau8810_pgaboost_mixer_controls[] = {
+ SOC_DAPM_SINGLE("AUX PGA Switch", NAU8810_REG_ADCBOOST,
+ NAU8810_AUXBSTGAIN_SFT, 0x7, 0),
SOC_DAPM_SINGLE("PGA Mute Switch", NAU8810_REG_PGAGAIN,
NAU8810_PGAMT_SFT, 1, 1),
SOC_DAPM_SINGLE("PMIC PGA Switch", NAU8810_REG_ADCBOOST,
@@ -382,6 +385,8 @@
/* Input PGA */
static const struct snd_kcontrol_new nau8810_inpga[] = {
+ SOC_DAPM_SINGLE("AUX Switch", NAU8810_REG_INPUT_SIGNAL,
+ NAU8810_AUXPGA_SFT, 1, 0),
SOC_DAPM_SINGLE("MicN Switch", NAU8810_REG_INPUT_SIGNAL,
NAU8810_NMICPGA_SFT, 1, 0),
SOC_DAPM_SINGLE("MicP Switch", NAU8810_REG_INPUT_SIGNAL,
@@ -402,6 +407,23 @@
regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &value);
return (value & NAU8810_CLKM_MASK);
+}
+
+static int check_mic_enabled(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(source->dapm);
+ struct nau8810 *nau8810 = snd_soc_component_get_drvdata(component);
+ unsigned int value;
+
+ regmap_read(nau8810->regmap, NAU8810_REG_INPUT_SIGNAL, &value);
+ if (value & NAU8810_PMICPGA_EN || value & NAU8810_NMICPGA_EN)
+ return 1;
+ regmap_read(nau8810->regmap, NAU8810_REG_ADCBOOST, &value);
+ if (value & NAU8810_PMICBSTGAIN_MASK)
+ return 1;
+ return 0;
}
static const struct snd_soc_dapm_widget nau8810_dapm_widgets[] = {
@@ -428,6 +450,8 @@
SND_SOC_DAPM_MIXER("Input Boost Stage", NAU8810_REG_POWER2,
NAU8810_BST_EN_SFT, 0, nau8810_pgaboost_mixer_controls,
ARRAY_SIZE(nau8810_pgaboost_mixer_controls)),
+ SND_SOC_DAPM_PGA("AUX Input", NAU8810_REG_POWER1,
+ NAU8810_AUX_EN_SFT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Mic Bias", NAU8810_REG_POWER1,
NAU8810_MICBIAS_EN_SFT, 0, NULL, 0),
@@ -437,6 +461,7 @@
SND_SOC_DAPM_SWITCH("Digital Loopback", SND_SOC_NOPM, 0, 0,
&nau8810_loopback),
+ SND_SOC_DAPM_INPUT("AUX"),
SND_SOC_DAPM_INPUT("MICN"),
SND_SOC_DAPM_INPUT("MICP"),
SND_SOC_DAPM_OUTPUT("MONOOUT"),
@@ -448,10 +473,12 @@
{"DAC", NULL, "PLL", check_mclk_select_pll},
/* Mono output mixer */
+ {"Mono Mixer", "AUX Bypass Switch", "AUX Input"},
{"Mono Mixer", "PCM Playback Switch", "DAC"},
{"Mono Mixer", "Line Bypass Switch", "Input Boost Stage"},
/* Speaker output mixer */
+ {"Speaker Mixer", "AUX Bypass Switch", "AUX Input"},
{"Speaker Mixer", "PCM Playback Switch", "DAC"},
{"Speaker Mixer", "Line Bypass Switch", "Input Boost Stage"},
@@ -466,13 +493,16 @@
/* Input Boost Stage */
{"ADC", NULL, "Input Boost Stage"},
{"ADC", NULL, "PLL", check_mclk_select_pll},
+ {"Input Boost Stage", "AUX PGA Switch", "AUX Input"},
{"Input Boost Stage", "PGA Mute Switch", "Input PGA"},
{"Input Boost Stage", "PMIC PGA Switch", "MICP"},
/* Input PGA */
- {"Input PGA", NULL, "Mic Bias"},
+ {"Input PGA", NULL, "Mic Bias", check_mic_enabled},
+ {"Input PGA", "AUX Switch", "AUX Input"},
{"Input PGA", "MicN Switch", "MICN"},
{"Input PGA", "MicP Switch", "MICP"},
+ {"AUX Input", NULL, "AUX"},
/* Digital Looptack */
{"Digital Loopback", "Switch", "ADC"},
@@ -493,7 +523,7 @@
return 0;
}
-static int nau88l0_calc_pll(unsigned int pll_in,
+static int nau8810_calc_pll(unsigned int pll_in,
unsigned int fs, struct nau8810_pll *pll_param)
{
u64 f2, f2_max, pll_ratio;
@@ -505,7 +535,8 @@
f2_max = 0;
scal_sel = ARRAY_SIZE(nau8810_mclk_scaler);
for (i = 0; i < ARRAY_SIZE(nau8810_mclk_scaler); i++) {
- f2 = 256 * fs * 4 * nau8810_mclk_scaler[i] / 10;
+ f2 = 256ULL * fs * 4 * nau8810_mclk_scaler[i];
+ f2 = div_u64(f2, 10);
if (f2 > NAU_PLL_FREQ_MIN && f2 < NAU_PLL_FREQ_MAX &&
f2_max < f2) {
f2_max = f2;
@@ -542,7 +573,7 @@
int ret, fs;
fs = freq_out / 256;
- ret = nau88l0_calc_pll(freq_in, fs, pll_param);
+ ret = nau8810_calc_pll(freq_in, fs, pll_param);
if (ret < 0) {
dev_err(nau8810->dev, "Unsupported input clock %d\n", freq_in);
return ret;
@@ -667,6 +698,24 @@
struct snd_soc_component *component = dai->component;
struct nau8810 *nau8810 = snd_soc_component_get_drvdata(component);
int val_len = 0, val_rate = 0, ret = 0;
+ unsigned int ctrl_val, bclk_fs, bclk_div;
+
+ /* Select BCLK configuration if the codec as master. */
+ regmap_read(nau8810->regmap, NAU8810_REG_CLOCK, &ctrl_val);
+ if (ctrl_val & NAU8810_CLKIO_MASTER) {
+ /* get the bclk and fs ratio */
+ bclk_fs = snd_soc_params_to_bclk(params) / params_rate(params);
+ if (bclk_fs <= 32)
+ bclk_div = NAU8810_BCLKDIV_8;
+ else if (bclk_fs <= 64)
+ bclk_div = NAU8810_BCLKDIV_4;
+ else if (bclk_fs <= 128)
+ bclk_div = NAU8810_BCLKDIV_2;
+ else
+ return -EINVAL;
+ regmap_update_bits(nau8810->regmap, NAU8810_REG_CLOCK,
+ NAU8810_BCLKSEL_MASK, bclk_div);
+ }
switch (params_width(params)) {
case 16:
@@ -846,6 +895,8 @@
static const struct i2c_device_id nau8810_i2c_id[] = {
{ "nau8810", 0 },
+ { "nau8812", 0 },
+ { "nau8814", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, nau8810_i2c_id);
@@ -853,6 +904,8 @@
#ifdef CONFIG_OF
static const struct of_device_id nau8810_of_match[] = {
{ .compatible = "nuvoton,nau8810", },
+ { .compatible = "nuvoton,nau8812", },
+ { .compatible = "nuvoton,nau8814", },
{ }
};
MODULE_DEVICE_TABLE(of, nau8810_of_match);
--
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