[v9 3/4] ASoC: mediatek: mt8188-mt6359: add es8326 support

[Rui Zhou]

To use ES8326 as the codec, add a new sound card
named mt8186_es8326.

Reviewed-by: Trevor Wu <trevor.wu at mediatek.com>
Signed-off-by: Rui Zhou <zhourui at huaqin.corp-partner.google.com>
---
 sound/soc/mediatek/Kconfig                |  1 +
 sound/soc/mediatek/mt8188/mt8188-mt6359.c | 56 ++++++++++++++++++++++-
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index b93d455744ab..296b434caf81 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -252,6 +252,7 @@ config SND_SOC_MT8188_MT6359
 	select SND_SOC_NAU8315
 	select SND_SOC_NAU8825
 	select SND_SOC_RT5682S
+	select SND_SOC_ES8326
 	help
 	  This adds support for ASoC machine driver for MediaTek MT8188
 	  boards with the MT6359 and other I2S audio codecs.
diff --git a/sound/soc/mediatek/mt8188/mt8188-mt6359.c b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
index b4606a28794c..d1884f23a1a7 100644
--- a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
+++ b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
@@ -34,6 +34,8 @@
 
 #define NAU8825_HS_PRESENT	BIT(0)
 #define RT5682S_HS_PRESENT	BIT(1)
+#define ES8326_HS_PRESENT	BIT(2)
+#define MAX98390_TWO_AMP	BIT(3)
 /*
  * Maxim MAX98390
  */
@@ -48,6 +50,11 @@
  */
 #define NAU8825_CODEC_DAI  "nau8825-hifi"
 
+/*
+ * ES8326
+ */
+#define ES8326_CODEC_DAI  "ES8326 HiFi"
+
 #define SOF_DMA_DL2 "SOF_DMA_DL2"
 #define SOF_DMA_DL3 "SOF_DMA_DL3"
 #define SOF_DMA_UL4 "SOF_DMA_UL4"
@@ -888,6 +895,30 @@ static const struct snd_soc_ops mt8188_sof_be_ops = {
 	.hw_params = mt8188_sof_be_hw_params,
 };
 
+static int mt8188_es8326_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	unsigned int rate = params_rate(params);
+	int ret;
+
+	/* Configure MCLK for codec */
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, rate * 256, SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(codec_dai->dev, "can't set MCLK %d\n", ret);
+		return ret;
+	}
+
+	/* Configure MCLK for cpu */
+	return snd_soc_dai_set_sysclk(cpu_dai, 0, rate * 256, SND_SOC_CLOCK_OUT);
+}
+
+static const struct snd_soc_ops mt8188_es8326_ops = {
+	.hw_params = mt8188_es8326_hw_params,
+};
+
 static struct snd_soc_dai_link mt8188_mt6359_dai_links[] = {
 	/* FE */
 	[DAI_LINK_DL2_FE] = {
@@ -1197,7 +1228,7 @@ static void mt8188_fixup_controls(struct snd_soc_card *card)
 	struct mt8188_card_data *card_data = (struct mt8188_card_data *)priv->private_data;
 	struct snd_kcontrol *kctl;
 
-	if (card_data->quirk & (NAU8825_HS_PRESENT | RT5682S_HS_PRESENT)) {
+	if (card_data->quirk & (NAU8825_HS_PRESENT | RT5682S_HS_PRESENT | ES8326_HS_PRESENT)) {
 		struct snd_soc_dapm_widget *w, *next_w;
 
 		for_each_card_widgets_safe(card, w, next_w) {
@@ -1238,6 +1269,7 @@ static int mt8188_mt6359_dev_probe(struct platform_device *pdev)
 	struct mt8188_card_data *card_data;
 	struct snd_soc_dai_link *dai_link;
 	bool init_mt6359 = false;
+	bool init_es8326 = false;
 	bool init_nau8825 = false;
 	bool init_rt5682s = false;
 	bool init_max98390 = false;
@@ -1344,7 +1376,14 @@ static int mt8188_mt6359_dev_probe(struct platform_device *pdev)
 			   strcmp(dai_link->name, "ETDM1_IN_BE") == 0 ||
 			   strcmp(dai_link->name, "ETDM2_IN_BE") == 0) {
 			if (!strcmp(dai_link->codecs->dai_name, MAX98390_CODEC_DAI)) {
-				dai_link->ops = &mt8188_max98390_ops;
+				/*
+				 * The TDM protocol settings with fixed 4 slots are defined in
+				 * mt8188_max98390_ops. Two amps is I2S mode,
+				 * SOC and codec don't require TDM settings.
+				 */
+				if (!(card_data->quirk & MAX98390_TWO_AMP)) {
+					dai_link->ops = &mt8188_max98390_ops;
+				}
 				if (!init_max98390) {
 					dai_link->init = mt8188_max98390_codec_init;
 					init_max98390 = true;
@@ -1363,6 +1402,13 @@ static int mt8188_mt6359_dev_probe(struct platform_device *pdev)
 					dai_link->exit = mt8188_headset_codec_exit;
 					init_rt5682s = true;
 				}
+			} else if (!strcmp(dai_link->codecs->dai_name, ES8326_CODEC_DAI)) {
+				dai_link->ops = &mt8188_es8326_ops;
+				if (!init_es8326) {
+					dai_link->init = mt8188_headset_codec_init;
+					dai_link->exit = mt8188_headset_codec_exit;
+					init_es8326 = true;
+				}
 			} else {
 				if (strcmp(dai_link->codecs->dai_name, "snd-soc-dummy-dai")) {
 					if (!init_dumb) {
@@ -1405,10 +1451,16 @@ static struct mt8188_card_data mt8188_rt5682s_card = {
 	.quirk = RT5682S_HS_PRESENT,
 };
 
+static struct mt8188_card_data mt8188_es8326_card = {
+	.name = "mt8188_es8326",
+	.quirk = ES8326_HS_PRESENT | MAX98390_TWO_AMP,
+};
+
 static const struct of_device_id mt8188_mt6359_dt_match[] = {
 	{ .compatible = "mediatek,mt8188-mt6359-evb", .data = &mt8188_evb_card, },
 	{ .compatible = "mediatek,mt8188-nau8825", .data = &mt8188_nau8825_card, },
 	{ .compatible = "mediatek,mt8188-rt5682s", .data = &mt8188_rt5682s_card, },
+	{ .compatible = "mediatek,mt8188-es8326", .data = &mt8188_es8326_card, },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, mt8188_mt6359_dt_match);
-- 
2.25.1