audio: fix adc3101 8ch PCM format support

PD#171085: fix adc3101 8ch PCM format support

For S400 & S420 board, please modify dts to enable adc3101 8ch PCM
please read following file:
Documentation/devicetree/bindings/amlogic/axg-adc3010-pcm.txt

Change-Id: I945441f80d269b167148ccf3d6c33093a20a4f2f
Signed-off-by: Renjun Xu <renjun.xu@amlogic.com>

3 files changed, 145 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/amlogic/axg-adc3010-pcm.txt b/Documentation/devicetree/bindings/amlogic/axg-adc3010-pcm.txt
new file mode 100644
index 0000000..ae96780
--- a/dev/null
+++ b/Documentation/devicetree/bindings/amlogic/axg-adc3010-pcm.txt
@@ -0,0 +1,114 @@
+diff --git a/arch/arm64/boot/dts/amlogic/axg_s420_v03.dts
+	b/arch/arm64/boot/dts/amlogic/axg_s420_v03.dts
+index f184fce..5a43ba1 100644
+--- a/arch/arm64/boot/dts/amlogic/axg_s420_v03.dts
++++ b/arch/arm64/boot/dts/amlogic/axg_s420_v03.dts
+@@ -383,24 +383,24 @@
+ 		};
+ 		aml-audio-card,dai-link@1 {
+-			format = "i2s";
++	format = "dsp_a";
+ 			mclk-fs = <256>;
+ 			//continuous-clock;
+-			//bitclock-inversion;
++			bitclock-inversion;
+ 			//frame-inversion;
+ 			bitclock-master = <&aml_tdmb>;
+ 			frame-master = <&aml_tdmb>;
+ 			cpu {
+ 				sound-dai = <&aml_tdmb>;
+-	dai-tdm-slot-tx-mask = <1 1>;
+-	dai-tdm-slot-rx-mask = <1 1>;
+-	dai-tdm-slot-num = <2>;
++	dai-tdm-slot-tx-mask = <1 1 1 1 1 1 1 1>;
++	dai-tdm-slot-rx-mask = <1 1 1 1 1 1 1 1>;
++	dai-tdm-slot-num = <8>;
+ 	dai-tdm-slot-width = <32>;
+ 	system-clock-frequency = <12288000>;
+ 			};
+ 			codec {
+-				sound-dai = <&tlv320adc3101_32>;
+-					/*&tlv320adc3101_30>;*/
++	prefix-names = "3101_A", "3101_B",
++				"3101_C", "3101_D";
++	sound-dai = <&tlv320adc3101_30 &tlv320adc3101_32
++				&tlv320adc3101_34 &tlv320adc3101_36>;
+ 			};
+ 		};
+@@ -728,7 +728,7 @@
+ 	status = "okay";
+ 	pinctrl-names="default";
+ 	pinctrl-0=<&b_i2c_master>;
+-
++/*
+ 	tlv320adc3101_32: tlv320adc3101_32@30 {
+ 		compatible = "ti,tlv320adc3101";
+ 		#sound-dai-cells = <0>;
+@@ -736,7 +736,7 @@
+ 		differential_pair = <1>;
+ 		status = "okay";
+ 	};
+-
++*/
+ 	tas5707_36: tas5707_36@36 {
+ 		compatible = "ti,tas5707";
+ 		#sound-dai-cells = <0>;
+@@ -771,23 +771,34 @@
+ 		status = "okay";
+ 	};
++	tlv320adc3101_32: tlv320adc3101_32@32 {
++		compatible = "ti,tlv320adc3101";
++		#sound-dai-cells = <0>;
++		reg = <0x19>;
++		slot_number = <3>;
++		//differential_pair = <1>;
++		status = "okay";
++	};
+ 	tlv320adc3101_30: tlv320adc3101_30@30 {
+ 		compatible = "ti,tlv320adc3101";
+ 		#sound-dai-cells = <0>;
+ 		reg = <0x18>;
+-		status = "disable";
++		slot_number = <0>;
++		status = "okay";
+ 	};
+-	tlv320adc3101_34: tlv320adc3101_34@30 {
++	tlv320adc3101_34: tlv320adc3101_34@34 {
+ 		compatible = "ti,tlv320adc3101";
+ 		#sound-dai-cells = <0>;
+ 		reg = <0x1a>;
+-		status = "disable";
++		slot_number = <2>;
++		status = "okay";
+ 	};
+-	tlv320adc3101_36: tlv320adc3101_36@30 {
++	tlv320adc3101_36: tlv320adc3101_36@36 {
+ 		compatible = "ti,tlv320adc3101";
+ 		#sound-dai-cells = <0>;
+ 		reg = <0x1b>;
+-		status = "disable";
++		slot_number = <1>;
++		status = "okay";
+ 	};
+ 	es7243_10: es7243_10@10 {
+               compatible = "MicArray_0";
+@@ -928,8 +939,8 @@
+ 	aml_tdmb: tdmb {
+ 		compatible = "amlogic, axg-snd-tdmb";
+ 		#sound-dai-cells = <0>;
+-		dai-tdm-lane-slot-mask-out = <1 0>;
+-		dai-tdm-lane-slot-mask-in = <0 1>;
++		dai-tdm-lane-slot-mask-out = <1 1>;
++		dai-tdm-lane-slot-mask-in = <1 0>;
+ 		dai-tdm-clk-sel = <1>;
+ 		clocks = <&clkaudio CLKID_AUDIO_MCLK_B
+ 				&clkc CLKID_MPLL1>;
+@@ -1089,8 +1100,7 @@
+ 	tdmin_b: tdmin_b {
+ 		mux {
+-			groups = "tdmb_din0",
+-				"tdmb_din1";
++			groups = "tdmb_din0";
+ 			function = "tdmb_in";
+ 		};
+ 	};
diff --git a/MAINTAINERS b/MAINTAINERS
index df4636a..1eb2ed2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14583,3 +14583,7 @@ F: sound/soc/codecs/amlogic/cs42528.h
 AMLOGIC SPIDEV
 M:    Ivan Nie <Ivan.nie@amlogic.com>
 F:    Documentation/devicetree/bindings/spi/spidev.txt
+
+AMLOGIC SOUND ADC3101
+M: Renjun Xu <renjun.xu@amlogic.com>
+F: Documentation/devicetree/bindings/amlogic/axg-sound-adc3010-d608mic-pcm.txt
diff --git a/sound/soc/codecs/amlogic/tlv320adc3101.c b/sound/soc/codecs/amlogic/tlv320adc3101.c
index acb1cc9..6c3a742 100644
--- a/sound/soc/codecs/amlogic/tlv320adc3101.c
+++ b/sound/soc/codecs/amlogic/tlv320adc3101.c
@@ -65,6 +65,7 @@ struct adc3101_priv {
 	/* for more control */
 	int codec_cnt;
 	int codec_mask;
+	unsigned int slot_number;
 	struct i2c_client *client[4];
 	u8 page_no;
 	/* differential_pair
@@ -300,11 +301,16 @@ static int adc3101_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 static int adc3101_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 {
 	struct snd_soc_codec *codec = codec_dai->codec;
+	struct adc3101_priv *adc3101 = NULL;
 	u8 iface_reg_1;
 	u8 dsp_a_val;
 	u8 iface_reg_2;
 
-	pr_info("%s ...\n", __func__);
+	adc3101 = snd_soc_codec_get_drvdata(codec);
+	if (adc3101 == NULL)
+		return -EINVAL;
+
+	pr_info("[%s]:slot_number=%d\n", __func__, adc3101->slot_number);
 
 	iface_reg_1 = snd_soc_read(codec, ADC3101_IFACE1);
 	iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2);
@@ -344,7 +350,18 @@ static int adc3101_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 	case SND_SOC_DAIFMT_DSP_A:
 		iface_reg_1 |= (ADC3101_DSP_MODE << ADC3101_PLLJ_SHIFT);
 		iface_reg_2 |= (1 << 3); /* invert bit clock */
-		dsp_a_val = 0x01; /* add offset 1 */
+
+		/* set bclk offset according to diffrent adc */
+		if (adc3101->slot_number == 0)
+			dsp_a_val = 0;
+		else if (adc3101->slot_number == 1)
+			dsp_a_val = 64;
+		else if (adc3101->slot_number == 2)
+			dsp_a_val = 128;
+		else if (adc3101->slot_number == 3)
+			dsp_a_val = 192;
+		else
+			dsp_a_val = 0x01; /* default add offset 1 */
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
 		iface_reg_1 |= (ADC3101_DSP_MODE << ADC3101_PLLJ_SHIFT);
@@ -840,6 +857,14 @@ static int adc3101_i2c_probe(struct i2c_client *i2c,
 		adc3101->differential_pair = 0;
 		ret = 0;
 	}
+
+	ret = of_property_read_u32(i2c->dev.of_node, "slot_number",
+		&adc3101->slot_number);
+	if (ret) {
+		pr_err("failed to get slot_number, set it default\n");
+		adc3101->slot_number = 0;
+		ret = 0;
+	}
 	pr_info("%s i2c:%p\n", __func__, i2c);
 	ret = snd_soc_register_codec(&i2c->dev,
 				&soc_codec_dev_adc3101, adc3101_dai, 1);