ASoC: TWL4030: Add VDL path support

Add DAPMs for VDL(Voice Down Link) path. To support VDL path, we have
to change DAPMs of outputs(Earpiece, PreDrive Left/Right, Headset
Left/Right, Carkit Left/Right) from mux to mixer.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/twl4030.c

@@ -321,104 +321,60 @@ static void twl4030_power_down(struct snd_soc_codec *codec)
 }
 
 /* Earpiece */
-static const char *twl4030_earpiece_texts[] =
-		{"Off", "DACL1", "DACL2", "DACR1"};
-
-static const unsigned int twl4030_earpiece_values[] =
-		{0x0, 0x1, 0x2, 0x4};
-
-static const struct soc_enum twl4030_earpiece_enum =
-	SOC_VALUE_ENUM_SINGLE(TWL4030_REG_EAR_CTL, 1, 0x7,
-			ARRAY_SIZE(twl4030_earpiece_texts),
-			twl4030_earpiece_texts,
-			twl4030_earpiece_values);
-
-static const struct snd_kcontrol_new twl4030_dapm_earpiece_control =
-SOC_DAPM_VALUE_ENUM("Route", twl4030_earpiece_enum);
+static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
+	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
+};
 
 /* PreDrive Left */
-static const char *twl4030_predrivel_texts[] =
-		{"Off", "DACL1", "DACL2", "DACR2"};
-
-static const unsigned int twl4030_predrivel_values[] =
-		{0x0, 0x1, 0x2, 0x4};
-
-static const struct soc_enum twl4030_predrivel_enum =
-	SOC_VALUE_ENUM_SINGLE(TWL4030_REG_PREDL_CTL, 1, 0x7,
-			ARRAY_SIZE(twl4030_predrivel_texts),
-			twl4030_predrivel_texts,
-			twl4030_predrivel_values);
-
-static const struct snd_kcontrol_new twl4030_dapm_predrivel_control =
-SOC_DAPM_VALUE_ENUM("Route", twl4030_predrivel_enum);
+static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
+	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
+};
 
 /* PreDrive Right */
-static const char *twl4030_predriver_texts[] =
-		{"Off", "DACR1", "DACR2", "DACL2"};
-
-static const unsigned int twl4030_predriver_values[] =
-		{0x0, 0x1, 0x2, 0x4};
-
-static const struct soc_enum twl4030_predriver_enum =
-	SOC_VALUE_ENUM_SINGLE(TWL4030_REG_PREDR_CTL, 1, 0x7,
-			ARRAY_SIZE(twl4030_predriver_texts),
-			twl4030_predriver_texts,
-			twl4030_predriver_values);
-
-static const struct snd_kcontrol_new twl4030_dapm_predriver_control =
-SOC_DAPM_VALUE_ENUM("Route", twl4030_predriver_enum);
+static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
+	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
+};
 
 /* Headset Left */
-static const char *twl4030_hsol_texts[] =
-		{"Off", "DACL1", "DACL2"};
-
-static const struct soc_enum twl4030_hsol_enum =
-	SOC_ENUM_SINGLE(TWL4030_REG_HS_SEL, 1,
-			ARRAY_SIZE(twl4030_hsol_texts),
-			twl4030_hsol_texts);
-
-static const struct snd_kcontrol_new twl4030_dapm_hsol_control =
-SOC_DAPM_ENUM("Route", twl4030_hsol_enum);
+static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
+};
 
 /* Headset Right */
-static const char *twl4030_hsor_texts[] =
-		{"Off", "DACR1", "DACR2"};
-
-static const struct soc_enum twl4030_hsor_enum =
-	SOC_ENUM_SINGLE(TWL4030_REG_HS_SEL, 4,
-			ARRAY_SIZE(twl4030_hsor_texts),
-			twl4030_hsor_texts);
-
-static const struct snd_kcontrol_new twl4030_dapm_hsor_control =
-SOC_DAPM_ENUM("Route", twl4030_hsor_enum);
+static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
+	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
+	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
+};
 
 /* Carkit Left */
-static const char *twl4030_carkitl_texts[] =
-		{"Off", "DACL1", "DACL2"};
-
-static const struct soc_enum twl4030_carkitl_enum =
-	SOC_ENUM_SINGLE(TWL4030_REG_PRECKL_CTL, 1,
-			ARRAY_SIZE(twl4030_carkitl_texts),
-			twl4030_carkitl_texts);
-
-static const struct snd_kcontrol_new twl4030_dapm_carkitl_control =
-SOC_DAPM_ENUM("Route", twl4030_carkitl_enum);
+static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
+};
 
 /* Carkit Right */
-static const char *twl4030_carkitr_texts[] =
-		{"Off", "DACR1", "DACR2"};
-
-static const struct soc_enum twl4030_carkitr_enum =
-	SOC_ENUM_SINGLE(TWL4030_REG_PRECKR_CTL, 1,
-			ARRAY_SIZE(twl4030_carkitr_texts),
-			twl4030_carkitr_texts);
-
-static const struct snd_kcontrol_new twl4030_dapm_carkitr_control =
-SOC_DAPM_ENUM("Route", twl4030_carkitr_enum);
+static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
+	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
+	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
+	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
+};
 
 /* Handsfree Left */
 static const char *twl4030_handsfreel_texts[] =
-		{"Voice", "DACL1", "DACL2", "DACR2"};
+		{"Voice", "AudioL1", "AudioL2", "AudioR2"};
 
 static const struct soc_enum twl4030_handsfreel_enum =
 	SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0,
@@ -430,7 +386,7 @@ SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
 
 /* Handsfree Right */
 static const char *twl4030_handsfreer_texts[] =
-		{"Voice", "DACR1", "DACR2", "DACL2"};
+		{"Voice", "AudioR1", "AudioR2", "AudioL2"};
 
 static const struct soc_enum twl4030_handsfreer_enum =
 	SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0,
@@ -828,6 +784,12 @@ static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
  */
 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
 
+/*
+ * Voice Downlink GAIN volume control:
+ * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
+ */
+static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
+
 /*
  * Analog playback gain
  * -24 dB to 12 dB in 2 dB steps
@@ -892,6 +854,16 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
 		TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
 		1, 1, 0),
 
+	/* Common voice downlink gain controls */
+	SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
+		TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
+
+	SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
+		TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
+
+	SOC_SINGLE("DAC Voice Analog Downlink Switch",
+		TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
+
 	/* Separate output gain controls */
 	SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume",
 		TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
@@ -956,6 +928,8 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
 			SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_DAC("DAC Left2", "Left Rear Playback",
 			SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback",
+			TWL4030_REG_AVDAC_CTL, 4, 0),
 
 	/* Analog PGAs */
 	SND_SOC_DAPM_PGA("ARXR1_APGA", TWL4030_REG_ARXR1_APGA_CTL,
@@ -966,6 +940,8 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
 			0, 0, NULL, 0),
 	SND_SOC_DAPM_PGA("ARXL2_APGA", TWL4030_REG_ARXL2_APGA_CTL,
 			0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("VDL_APGA", TWL4030_REG_VDL_APGA_CTL,
+			0, 0, NULL, 0),
 
 	/* Analog bypasses */
 	SND_SOC_DAPM_SWITCH_E("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
@@ -998,26 +974,35 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
 	SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", TWL4030_REG_AVDAC_CTL,
 			3, 0, NULL, 0),
 
-	/* Output MUX controls */
+	/* Output MIXER controls */
 	/* Earpiece */
-	SND_SOC_DAPM_VALUE_MUX("Earpiece Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_earpiece_control),
+	SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_earpiece_controls[0],
+			ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
 	/* PreDrivL/R */
-	SND_SOC_DAPM_VALUE_MUX("PredriveL Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_predrivel_control),
-	SND_SOC_DAPM_VALUE_MUX("PredriveR Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_predriver_control),
+	SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_predrivel_controls[0],
+			ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
+	SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_predriver_controls[0],
+			ARRAY_SIZE(twl4030_dapm_predriver_controls)),
 	/* HeadsetL/R */
-	SND_SOC_DAPM_MUX_E("HeadsetL Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_hsol_control, headsetl_event,
-		SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
-	SND_SOC_DAPM_MUX("HeadsetR Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_hsor_control),
+	SND_SOC_DAPM_MIXER_E("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_hsol_controls[0],
+			ARRAY_SIZE(twl4030_dapm_hsol_controls), headsetl_event,
+			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_hsor_controls[0],
+			ARRAY_SIZE(twl4030_dapm_hsor_controls)),
 	/* CarkitL/R */
-	SND_SOC_DAPM_MUX("CarkitL Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_carkitl_control),
-	SND_SOC_DAPM_MUX("CarkitR Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_carkitr_control),
+	SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_carkitl_controls[0],
+			ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
+	SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
+			&twl4030_dapm_carkitr_controls[0],
+			ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
+
+	/* Output MUX controls */
 	/* HandsfreeL/R */
 	SND_SOC_DAPM_MUX_E("HandsfreeL Mux", TWL4030_REG_HFL_CTL, 5, 0,
 		&twl4030_dapm_handsfreel_control, handsfree_event,
@@ -1082,50 +1067,61 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"ARXL2_APGA", NULL, "Analog L2 Playback Mixer"},
 	{"ARXR2_APGA", NULL, "Analog R2 Playback Mixer"},
 
+	{"VDL_APGA", NULL, "DAC Voice"},
+
 	/* Internal playback routings */
 	/* Earpiece */
-	{"Earpiece Mux", "DACL1", "ARXL1_APGA"},
-	{"Earpiece Mux", "DACL2", "ARXL2_APGA"},
-	{"Earpiece Mux", "DACR1", "ARXR1_APGA"},
+	{"Earpiece Mixer", "Voice", "VDL_APGA"},
+	{"Earpiece Mixer", "AudioL1", "ARXL1_APGA"},
+	{"Earpiece Mixer", "AudioL2", "ARXL2_APGA"},
+	{"Earpiece Mixer", "AudioR1", "ARXR1_APGA"},
 	/* PreDrivL */
-	{"PredriveL Mux", "DACL1", "ARXL1_APGA"},
-	{"PredriveL Mux", "DACL2", "ARXL2_APGA"},
-	{"PredriveL Mux", "DACR2", "ARXR2_APGA"},
+	{"PredriveL Mixer", "Voice", "VDL_APGA"},
+	{"PredriveL Mixer", "AudioL1", "ARXL1_APGA"},
+	{"PredriveL Mixer", "AudioL2", "ARXL2_APGA"},
+	{"PredriveL Mixer", "AudioR2", "ARXR2_APGA"},
 	/* PreDrivR */
-	{"PredriveR Mux", "DACR1", "ARXR1_APGA"},
-	{"PredriveR Mux", "DACR2", "ARXR2_APGA"},
-	{"PredriveR Mux", "DACL2", "ARXL2_APGA"},
+	{"PredriveR Mixer", "Voice", "VDL_APGA"},
+	{"PredriveR Mixer", "AudioR1", "ARXR1_APGA"},
+	{"PredriveR Mixer", "AudioR2", "ARXR2_APGA"},
+	{"PredriveR Mixer", "AudioL2", "ARXL2_APGA"},
 	/* HeadsetL */
-	{"HeadsetL Mux", "DACL1", "ARXL1_APGA"},
-	{"HeadsetL Mux", "DACL2", "ARXL2_APGA"},
+	{"HeadsetL Mixer", "Voice", "VDL_APGA"},
+	{"HeadsetL Mixer", "AudioL1", "ARXL1_APGA"},
+	{"HeadsetL Mixer", "AudioL2", "ARXL2_APGA"},
 	/* HeadsetR */
-	{"HeadsetR Mux", "DACR1", "ARXR1_APGA"},
-	{"HeadsetR Mux", "DACR2", "ARXR2_APGA"},
+	{"HeadsetR Mixer", "Voice", "VDL_APGA"},
+	{"HeadsetR Mixer", "AudioR1", "ARXR1_APGA"},
+	{"HeadsetR Mixer", "AudioR2", "ARXR2_APGA"},
 	/* CarkitL */
-	{"CarkitL Mux", "DACL1", "ARXL1_APGA"},
-	{"CarkitL Mux", "DACL2", "ARXL2_APGA"},
+	{"CarkitL Mixer", "Voice", "VDL_APGA"},
+	{"CarkitL Mixer", "AudioL1", "ARXL1_APGA"},
+	{"CarkitL Mixer", "AudioL2", "ARXL2_APGA"},
 	/* CarkitR */
-	{"CarkitR Mux", "DACR1", "ARXR1_APGA"},
-	{"CarkitR Mux", "DACR2", "ARXR2_APGA"},
+	{"CarkitR Mixer", "Voice", "VDL_APGA"},
+	{"CarkitR Mixer", "AudioR1", "ARXR1_APGA"},
+	{"CarkitR Mixer", "AudioR2", "ARXR2_APGA"},
 	/* HandsfreeL */
-	{"HandsfreeL Mux", "DACL1", "ARXL1_APGA"},
-	{"HandsfreeL Mux", "DACL2", "ARXL2_APGA"},
-	{"HandsfreeL Mux", "DACR2", "ARXR2_APGA"},
+	{"HandsfreeL Mux", "Voice", "VDL_APGA"},
+	{"HandsfreeL Mux", "AudioL1", "ARXL1_APGA"},
+	{"HandsfreeL Mux", "AudioL2", "ARXL2_APGA"},
+	{"HandsfreeL Mux", "AudioR2", "ARXR2_APGA"},
 	/* HandsfreeR */
-	{"HandsfreeR Mux", "DACR1", "ARXR1_APGA"},
-	{"HandsfreeR Mux", "DACR2", "ARXR2_APGA"},
-	{"HandsfreeR Mux", "DACL2", "ARXL2_APGA"},
+	{"HandsfreeR Mux", "Voice", "VDL_APGA"},
+	{"HandsfreeR Mux", "AudioR1", "ARXR1_APGA"},
+	{"HandsfreeR Mux", "AudioR2", "ARXR2_APGA"},
+	{"HandsfreeR Mux", "AudioL2", "ARXL2_APGA"},
 
 	/* outputs */
 	{"OUTL", NULL, "ARXL2_APGA"},
 	{"OUTR", NULL, "ARXR2_APGA"},
-	{"EARPIECE", NULL, "Earpiece Mux"},
-	{"PREDRIVEL", NULL, "PredriveL Mux"},
-	{"PREDRIVER", NULL, "PredriveR Mux"},
-	{"HSOL", NULL, "HeadsetL Mux"},
-	{"HSOR", NULL, "HeadsetR Mux"},
-	{"CARKITL", NULL, "CarkitL Mux"},
-	{"CARKITR", NULL, "CarkitR Mux"},
+	{"EARPIECE", NULL, "Earpiece Mixer"},
+	{"PREDRIVEL", NULL, "PredriveL Mixer"},
+	{"PREDRIVER", NULL, "PredriveR Mixer"},
+	{"HSOL", NULL, "HeadsetL Mixer"},
+	{"HSOR", NULL, "HeadsetR Mixer"},
+	{"CARKITL", NULL, "CarkitL Mixer"},
+	{"CARKITR", NULL, "CarkitR Mixer"},
 	{"HFL", NULL, "HandsfreeL Mux"},
 	{"HFR", NULL, "HandsfreeR Mux"},