[PATCH v7 3/5] ASoC: meson: g12a-toacodec: Add S4 tocodec driver

[Jiebing Chen via B4 Relay <devnull+jiebing.chen.amlogic.com@kernel.org>]

From: Jiebing Chen <jiebing.chen@amlogic.com>

The S4 requires additional clock control bits to be turn on while enabled.
The S4 has 8 TDM lanes, instead of 4 on previous SoC.
Update the widget accordingly.

Signed-off-by: Jiebing Chen <jiebing.chen@amlogic.com>
---
 sound/soc/meson/g12a-toacodec.c | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/sound/soc/meson/g12a-toacodec.c b/sound/soc/meson/g12a-toacodec.c
index a95375b53f0a..10f26b4bc8b0 100644
--- a/sound/soc/meson/g12a-toacodec.c
+++ b/sound/soc/meson/g12a-toacodec.c
@@ -41,6 +41,9 @@
 #define  CTRL0_BCLK_SEL_LSB		4
 #define  CTRL0_MCLK_SEL			GENMASK(2, 0)
 
+#define CTRL0_BCLK_ENABLE_SHIFT		30
+#define CTRL0_MCLK_ENABLE_SHIFT		29
+
 #define TOACODEC_OUT_CHMAX		2
 
 struct g12a_toacodec {
@@ -141,6 +144,16 @@ static const struct snd_soc_dapm_widget sm1_toacodec_widgets[] = {
 			    &g12a_toacodec_out_enable),
 };
 
+static const struct snd_soc_dapm_widget s4_toacodec_widgets[] = {
+	SND_SOC_DAPM_MUX("SRC", SND_SOC_NOPM, 0, 0,
+			 &sm1_toacodec_mux),
+	SND_SOC_DAPM_SWITCH("OUT EN", SND_SOC_NOPM, 0, 0,
+			    &g12a_toacodec_out_enable),
+	SND_SOC_DAPM_SUPPLY("I2S BCLK Gate", TOACODEC_CTRL0, CTRL0_BCLK_ENABLE_SHIFT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("I2S MCLK Gate", TOACODEC_CTRL0, CTRL0_MCLK_ENABLE_SHIFT, 0, NULL, 0),
+
+};
+
 static int g12a_toacodec_input_hw_params(struct snd_pcm_substream *substream,
 					 struct snd_pcm_hw_params *params,
 					 struct snd_soc_dai *dai)
@@ -226,6 +239,16 @@ static const struct snd_soc_dapm_route g12a_toacodec_routes[] = {
 	{ "OUT Capture", NULL, "OUT EN" },
 };
 
+static const struct snd_soc_dapm_route s4_toacodec_routes[] = {
+	{ "SRC", "I2S A", "IN A Playback" },
+	{ "SRC", "I2S B", "IN B Playback" },
+	{ "SRC", "I2S C", "IN C Playback" },
+	{ "OUT EN", "Switch", "SRC" },
+	{ "OUT Capture", NULL, "OUT EN" },
+	{ "OUT EN", NULL, "I2S BCLK Gate" },
+	{ "I2S BCLK Gate", NULL, "I2S MCLK Gate" },
+};
+
 static const struct snd_kcontrol_new g12a_toacodec_controls[] = {
 	SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL, 3, 0),
 };
@@ -234,6 +257,10 @@ static const struct snd_kcontrol_new sm1_toacodec_controls[] = {
 	SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL_SM1, 3, 0),
 };
 
+static const struct snd_kcontrol_new s4_toacodec_controls[] = {
+	SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL_SM1, 7, 0),
+};
+
 static const struct snd_soc_component_driver g12a_toacodec_component_drv = {
 	.probe			= g12a_toacodec_component_probe,
 	.controls		= g12a_toacodec_controls,
@@ -256,6 +283,17 @@ static const struct snd_soc_component_driver sm1_toacodec_component_drv = {
 	.endianness		= 1,
 };
 
+static const struct snd_soc_component_driver s4_toacodec_component_drv = {
+	.probe			= sm1_toacodec_component_probe,
+	.controls		= s4_toacodec_controls,
+	.num_controls		= ARRAY_SIZE(s4_toacodec_controls),
+	.dapm_widgets		= s4_toacodec_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(s4_toacodec_widgets),
+	.dapm_routes		= s4_toacodec_routes,
+	.num_dapm_routes	= ARRAY_SIZE(s4_toacodec_routes),
+	.endianness		= 1,
+};
+
 static const struct regmap_config g12a_toacodec_regmap_cfg = {
 	.reg_bits	= 32,
 	.val_bits	= 32,
@@ -276,6 +314,13 @@ static const struct g12a_toacodec_match_data sm1_toacodec_match_data = {
 	.field_bclk_sel	= REG_FIELD(TOACODEC_CTRL0, 4, 6),
 };
 
+static const struct g12a_toacodec_match_data s4_toacodec_match_data = {
+	.component_drv	= &s4_toacodec_component_drv,
+	.field_dat_sel	= REG_FIELD(TOACODEC_CTRL0, 19, 20),
+	.field_lrclk_sel = REG_FIELD(TOACODEC_CTRL0, 12, 14),
+	.field_bclk_sel	= REG_FIELD(TOACODEC_CTRL0, 4, 6),
+};
+
 static const struct of_device_id g12a_toacodec_of_match[] = {
 	{
 		.compatible = "amlogic,g12a-toacodec",
@@ -285,6 +330,10 @@ static const struct of_device_id g12a_toacodec_of_match[] = {
 		.compatible = "amlogic,sm1-toacodec",
 		.data = &sm1_toacodec_match_data,
 	},
+	{
+		.compatible = "amlogic,s4-toacodec",
+		.data = &s4_toacodec_match_data,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, g12a_toacodec_of_match);

-- 
2.52.0