From 77be181e2c8e435692424ff2e5ee3d0380cabb90 Mon Sep 17 00:00:00 2001
From: Seven Lee <wtli@nuvoton.com>
Date: Wed, 29 Apr 2020 17:00:02 +0800
Subject: [PATCH] ASoc: nau8810: add AUX related dapm widgets and routes
Git-commit: 77be181e2c8e435692424ff2e5ee3d0380cabb90
Patch-mainline: v5.8-rc1
References: jsc#SLE-16518
This patch implements the following features:
- AUX input for recording.
- An input AUX output to SPK/MOUT.
Signed-off-by: Seven Lee <wtli@nuvoton.com>
Link: https://lore.kernel.org/r/20200429090002.28556-1-wtli@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/codecs/nau8810.c | 35 ++++++++++++++++++++++++++++++++++-
sound/soc/codecs/nau8810.h | 8 ++++++++
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c
index de26758c30a8..efe9fb3fb225 100644
--- a/sound/soc/codecs/nau8810.c
+++ b/sound/soc/codecs/nau8810.c
@@ -355,6 +355,8 @@ static const struct snd_kcontrol_new nau8810_snd_controls[] = {
/* 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,
@@ -363,6 +365,8 @@ static const struct snd_kcontrol_new nau8810_speaker_mixer_controls[] = {
/* 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,
@@ -371,6 +375,8 @@ static const struct snd_kcontrol_new nau8810_mono_mixer_controls[] = {
/* 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,
@@ -379,6 +385,8 @@ static const struct snd_kcontrol_new nau8810_pgaboost_mixer_controls[] = {
/* 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,
@@ -401,6 +409,23 @@ static int check_mclk_select_pll(struct snd_soc_dapm_widget *source,
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[] = {
SND_SOC_DAPM_MIXER("Speaker Mixer", NAU8810_REG_POWER3,
NAU8810_SPKMX_EN_SFT, 0, &nau8810_speaker_mixer_controls[0],
@@ -425,6 +450,8 @@ static const struct snd_soc_dapm_widget nau8810_dapm_widgets[] = {
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),
@@ -434,6 +461,7 @@ static const struct snd_soc_dapm_widget nau8810_dapm_widgets[] = {
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"),
@@ -445,10 +473,12 @@ static const struct snd_soc_dapm_route nau8810_dapm_routes[] = {
{"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"},
@@ -463,13 +493,16 @@ static const struct snd_soc_dapm_route nau8810_dapm_routes[] = {
/* 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"},
diff --git a/sound/soc/codecs/nau8810.h b/sound/soc/codecs/nau8810.h
index 1ada31883dc6..6a7cacbe044a 100644
--- a/sound/soc/codecs/nau8810.h
+++ b/sound/soc/codecs/nau8810.h
@@ -69,6 +69,7 @@
/* NAU8810_REG_POWER1 (0x1) */
#define NAU8810_DCBUF_EN (0x1 << 8)
+#define NAU8810_AUX_EN_SFT 6
#define NAU8810_PLL_EN_SFT 5
#define NAU8810_MICBIAS_EN_SFT 4
#define NAU8810_ABIAS_EN (0x1 << 3)
@@ -228,7 +229,10 @@
/* NAU8810_REG_INPUT_SIGNAL (0x2C) */
#define NAU8810_PMICPGA_SFT 0
+#define NAU8810_PMICPGA_EN (0x1 << NAU8810_PMICPGA_SFT)
#define NAU8810_NMICPGA_SFT 1
+#define NAU8810_NMICPGA_EN (0x1 << NAU8810_NMICPGA_SFT)
+#define NAU8810_AUXPGA_SFT 2
/* NAU8810_REG_PGAGAIN (0x2D) */
#define NAU8810_PGAGAIN_SFT 0
@@ -236,12 +240,15 @@
#define NAU8810_PGAZC_SFT 7
/* NAU8810_REG_ADCBOOST (0x2F) */
+#define NAU8810_AUXBSTGAIN_SFT 0
#define NAU8810_PMICBSTGAIN_SFT 4
+#define NAU8810_PMICBSTGAIN_MASK (0x7 << NAU8810_PMICBSTGAIN_SFT)
#define NAU8810_PGABST_SFT 8
/* NAU8810_REG_SPKMIX (0x32) */
#define NAU8810_DACSPK_SFT 0
#define NAU8810_BYPSPK_SFT 1
+#define NAU8810_AUXSPK_SFT 5
/* NAU8810_REG_SPKGAIN (0x36) */
#define NAU8810_SPKGAIN_SFT 0
@@ -251,6 +258,7 @@
/* NAU8810_REG_MONOMIX (0x38) */
#define NAU8810_DACMOUT_SFT 0
#define NAU8810_BYPMOUT_SFT 1
+#define NAU8810_AUXMOUT_SFT 2
#define NAU8810_MOUTMXMT_SFT 6
--
2.16.4