[PATCH v3 8/8] ASoC: msm8916-wcd-analog: add lineout output

Adam Skladowski
2024-08-01T12:12:39Z

From: Vladimir Lypak <vladimir.lypak@gmail.com>

Add descriptions and controls to toggle lineout output

Signed-off-by: Vladimir Lypak <vladimir.lypak@gmail.com>
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
---
sound/soc/codecs/msm8916-wcd-analog.c | 64 +++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)

diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
index b9325290c28d..38949556f7d9 100644
--- a/sound/soc/codecs/msm8916-wcd-analog.c
+++ b/sound/soc/codecs/msm8916-wcd-analog.c
@@ -233,6 +233,8 @@
#define RX_EAR_CTL_PA_SEL BIT(7)

#define CDC_A_RX_EAR_STATUS (0xf1A1)
+#define CDC_A_RX_LO_DAC_CTL (0xf1AC)
+#define CDC_A_RX_LO_EN_CTL (0xf1AD)

#define CDC_A_SPKR_DAC_CTL (0xf1B0)
#define SPKR_DAC_CTL_DAC_RESET_MASK BIT(4)
@@ -327,6 +329,8 @@ static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
static const struct snd_kcontrol_new ear_mux = SOC_DAPM_ENUM("EAR_S", hph_enum);
static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);
+static const struct snd_kcontrol_new lineout_mux = SOC_DAPM_ENUM("LINEOUT",
+ hph_enum);

/* ADC2 MUX */
static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
@@ -630,6 +634,46 @@ static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
return 0;
}

+static int pm8916_wcd_analog_enable_lineout_dac(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_EN_CTL,
+ 0x20, 0x20);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_EN_CTL,
+ 0x80, 0x80);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x08, 0x08);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x40, 0x40);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x80, 0x80);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x08, 0x00);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ usleep_range(20000, 20100);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x80, 0x00);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x40, 0x00);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_DAC_CTL,
+ 0x08, 0x00);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_EN_CTL,
+ 0x80, 0x00);
+ snd_soc_component_update_bits(component, CDC_A_RX_LO_EN_CTL,
+ 0x20, 0x00);
+ break;
+ }
+ return 0;
+}
+
static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
@@ -917,6 +961,13 @@ static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
{"SPK PA", NULL, "SPK DAC"},
{"SPK DAC", "Switch", "PDM_RX3"},

+ {"LINEOUT_OUT", NULL, "LINEOUT PA"},
+ {"LINEOUT PA", NULL, "RX_BIAS"},
+ {"LINEOUT PA", NULL, "SPKR_CLK"},
+ {"LINEOUT PA", NULL, "LINEOUT"},
+ {"LINEOUT", "Switch", "LINEOUT DAC"},
+ {"LINEOUT DAC", NULL, "PDM_RX3"},
+
{"MIC_BIAS1", NULL, "INT_LDO_H"},
{"MIC_BIAS2", NULL, "INT_LDO_H"},
{"MIC_BIAS1", NULL, "vdd-micbias"},
@@ -978,6 +1029,19 @@ static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),

+ /* Lineout */
+ SND_SOC_DAPM_OUTPUT("LINEOUT_OUT"),
+
+ SND_SOC_DAPM_PGA_E("LINEOUT PA", CDC_A_RX_LO_EN_CTL,
+ 6, 0, NULL, 0, NULL, 0),
+
+ SND_SOC_DAPM_DAC_E("LINEOUT DAC", NULL, SND_SOC_NOPM, 0, 0,
+ pm8916_wcd_analog_enable_lineout_dac,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_MUX("LINEOUT", SND_SOC_NOPM, 0, 0, &lineout_mux),
+
/* TX */
SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0,
pm8916_wcd_analog_enable_micbias1,

--
2.45.2