Resguardo inicial

linux-7.2.3/sound/soc/mediatek/mt6797/Makefile

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# platform driver
+snd-soc-mt6797-afe-y := \
+	mt6797-afe-pcm.o \
+	mt6797-afe-clk.o \
+	mt6797-dai-pcm.o \
+	mt6797-dai-hostless.o \
+	mt6797-dai-adda.o
+
+obj-$(CONFIG_SND_SOC_MT6797) += snd-soc-mt6797-afe.o
+
+# machine driver
+obj-$(CONFIG_SND_SOC_MT6797_MT6351) += mt6797-mt6351.o

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-afe-clk.c

@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// mt6797-afe-clk.c  --  Mediatek 6797 afe clock ctrl
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/clk.h>
+
+#include "mt6797-afe-common.h"
+#include "mt6797-afe-clk.h"
+
+enum {
+	CLK_INFRA_SYS_AUD,
+	CLK_INFRA_SYS_AUD_26M,
+	CLK_TOP_MUX_AUD,
+	CLK_TOP_MUX_AUD_BUS,
+	CLK_TOP_SYSPLL3_D4,
+	CLK_TOP_SYSPLL1_D4,
+	CLK_CLK26M,
+	CLK_NUM
+};
+
+static const char *aud_clks[CLK_NUM] = {
+	[CLK_INFRA_SYS_AUD] = "infra_sys_audio_clk",
+	[CLK_INFRA_SYS_AUD_26M] = "infra_sys_audio_26m",
+	[CLK_TOP_MUX_AUD] = "top_mux_audio",
+	[CLK_TOP_MUX_AUD_BUS] = "top_mux_aud_intbus",
+	[CLK_TOP_SYSPLL3_D4] = "top_sys_pll3_d4",
+	[CLK_TOP_SYSPLL1_D4] = "top_sys_pll1_d4",
+	[CLK_CLK26M] = "top_clk26m_clk",
+};
+
+int mt6797_init_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+	int i;
+
+	afe_priv->clk = devm_kcalloc(afe->dev, CLK_NUM, sizeof(*afe_priv->clk),
+				     GFP_KERNEL);
+	if (!afe_priv->clk)
+		return -ENOMEM;
+
+	for (i = 0; i < CLK_NUM; i++) {
+		afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]);
+		if (IS_ERR(afe_priv->clk[i])) {
+			dev_err(afe->dev, "%s(), devm_clk_get %s fail, ret %ld\n",
+				__func__, aud_clks[i],
+				PTR_ERR(afe_priv->clk[i]));
+			return PTR_ERR(afe_priv->clk[i]);
+		}
+	}
+
+	return 0;
+}
+
+int mt6797_afe_enable_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+	int ret;
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_INFRA_SYS_AUD], ret);
+		goto CLK_INFRA_SYS_AUDIO_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_INFRA_SYS_AUD_26M], ret);
+		goto CLK_INFRA_SYS_AUD_26M_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD], ret);
+		goto CLK_MUX_AUDIO_ERR;
+	}
+
+	ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD],
+			     afe_priv->clk[CLK_CLK26M]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD],
+			aud_clks[CLK_CLK26M], ret);
+		goto CLK_MUX_AUDIO_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD_BUS], ret);
+		goto CLK_MUX_AUDIO_INTBUS_ERR;
+	}
+
+	return ret;
+
+CLK_MUX_AUDIO_INTBUS_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+CLK_MUX_AUDIO_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD]);
+CLK_INFRA_SYS_AUD_26M_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+CLK_INFRA_SYS_AUDIO_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+
+	return 0;
+}
+
+int mt6797_afe_disable_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD]);
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+
+	return 0;
+}

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-afe-clk.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt6797-afe-clk.h  --  Mediatek 6797 afe clock ctrl definition
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ */
+
+#ifndef _MT6797_AFE_CLK_H_
+#define _MT6797_AFE_CLK_H_
+
+struct mtk_base_afe;
+
+int mt6797_init_clock(struct mtk_base_afe *afe);
+int mt6797_afe_enable_clock(struct mtk_base_afe *afe);
+int mt6797_afe_disable_clock(struct mtk_base_afe *afe);
+#endif

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-afe-common.h

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt6797-afe-common.h  --  Mediatek 6797 audio driver definitions
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ */
+
+#ifndef _MT_6797_AFE_COMMON_H_
+#define _MT_6797_AFE_COMMON_H_
+
+#include <sound/soc.h>
+#include <linux/list.h>
+#include <linux/regmap.h>
+#include "../common/mtk-base-afe.h"
+
+enum {
+	MT6797_MEMIF_DL1,
+	MT6797_MEMIF_DL2,
+	MT6797_MEMIF_DL3,
+	MT6797_MEMIF_VUL,
+	MT6797_MEMIF_AWB,
+	MT6797_MEMIF_VUL12,
+	MT6797_MEMIF_DAI,
+	MT6797_MEMIF_MOD_DAI,
+	MT6797_MEMIF_NUM,
+	MT6797_DAI_ADDA = MT6797_MEMIF_NUM,
+	MT6797_DAI_PCM_1,
+	MT6797_DAI_PCM_2,
+	MT6797_DAI_HOSTLESS_LPBK,
+	MT6797_DAI_HOSTLESS_SPEECH,
+	MT6797_DAI_NUM,
+};
+
+enum {
+	MT6797_IRQ_1,
+	MT6797_IRQ_2,
+	MT6797_IRQ_3,
+	MT6797_IRQ_4,
+	MT6797_IRQ_7,
+	MT6797_IRQ_NUM,
+};
+
+struct clk;
+
+struct mt6797_afe_private {
+	struct clk **clk;
+};
+
+unsigned int mt6797_general_rate_transform(struct device *dev,
+					   unsigned int rate);
+unsigned int mt6797_rate_transform(struct device *dev,
+				   unsigned int rate, int aud_blk);
+
+/* dai register */
+int mt6797_dai_adda_register(struct mtk_base_afe *afe);
+int mt6797_dai_pcm_register(struct mtk_base_afe *afe);
+int mt6797_dai_hostless_register(struct mtk_base_afe *afe);
+#endif

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-afe-pcm.c

@@ -0,0 +1,900 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Mediatek ALSA SoC AFE platform driver for 6797
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm_runtime.h>
+
+#include "mt6797-afe-common.h"
+#include "mt6797-afe-clk.h"
+#include "mt6797-interconnection.h"
+#include "mt6797-reg.h"
+#include "../common/mtk-afe-platform-driver.h"
+#include "../common/mtk-afe-fe-dai.h"
+
+enum {
+	MTK_AFE_RATE_8K = 0,
+	MTK_AFE_RATE_11K = 1,
+	MTK_AFE_RATE_12K = 2,
+	MTK_AFE_RATE_384K = 3,
+	MTK_AFE_RATE_16K = 4,
+	MTK_AFE_RATE_22K = 5,
+	MTK_AFE_RATE_24K = 6,
+	MTK_AFE_RATE_130K = 7,
+	MTK_AFE_RATE_32K = 8,
+	MTK_AFE_RATE_44K = 9,
+	MTK_AFE_RATE_48K = 10,
+	MTK_AFE_RATE_88K = 11,
+	MTK_AFE_RATE_96K = 12,
+	MTK_AFE_RATE_174K = 13,
+	MTK_AFE_RATE_192K = 14,
+	MTK_AFE_RATE_260K = 15,
+};
+
+enum {
+	MTK_AFE_DAI_MEMIF_RATE_8K = 0,
+	MTK_AFE_DAI_MEMIF_RATE_16K = 1,
+	MTK_AFE_DAI_MEMIF_RATE_32K = 2,
+};
+
+enum {
+	MTK_AFE_PCM_RATE_8K = 0,
+	MTK_AFE_PCM_RATE_16K = 1,
+	MTK_AFE_PCM_RATE_32K = 2,
+	MTK_AFE_PCM_RATE_48K = 3,
+};
+
+unsigned int mt6797_general_rate_transform(struct device *dev,
+					   unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_RATE_8K;
+	case 11025:
+		return MTK_AFE_RATE_11K;
+	case 12000:
+		return MTK_AFE_RATE_12K;
+	case 16000:
+		return MTK_AFE_RATE_16K;
+	case 22050:
+		return MTK_AFE_RATE_22K;
+	case 24000:
+		return MTK_AFE_RATE_24K;
+	case 32000:
+		return MTK_AFE_RATE_32K;
+	case 44100:
+		return MTK_AFE_RATE_44K;
+	case 48000:
+		return MTK_AFE_RATE_48K;
+	case 88200:
+		return MTK_AFE_RATE_88K;
+	case 96000:
+		return MTK_AFE_RATE_96K;
+	case 130000:
+		return MTK_AFE_RATE_130K;
+	case 176400:
+		return MTK_AFE_RATE_174K;
+	case 192000:
+		return MTK_AFE_RATE_192K;
+	case 260000:
+		return MTK_AFE_RATE_260K;
+	default:
+		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__, rate, MTK_AFE_RATE_48K);
+		return MTK_AFE_RATE_48K;
+	}
+}
+
+static unsigned int dai_memif_rate_transform(struct device *dev,
+					     unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_DAI_MEMIF_RATE_8K;
+	case 16000:
+		return MTK_AFE_DAI_MEMIF_RATE_16K;
+	case 32000:
+		return MTK_AFE_DAI_MEMIF_RATE_32K;
+	default:
+		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__, rate, MTK_AFE_DAI_MEMIF_RATE_16K);
+		return MTK_AFE_DAI_MEMIF_RATE_16K;
+	}
+}
+
+unsigned int mt6797_rate_transform(struct device *dev,
+				   unsigned int rate, int aud_blk)
+{
+	switch (aud_blk) {
+	case MT6797_MEMIF_DAI:
+	case MT6797_MEMIF_MOD_DAI:
+		return dai_memif_rate_transform(dev, rate);
+	default:
+		return mt6797_general_rate_transform(dev, rate);
+	}
+}
+
+static const struct snd_pcm_hardware mt6797_afe_hardware = {
+	.info = SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_MMAP_VALID,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE |
+		   SNDRV_PCM_FMTBIT_S24_LE |
+		   SNDRV_PCM_FMTBIT_S32_LE,
+	.period_bytes_min = 256,
+	.period_bytes_max = 4 * 48 * 1024,
+	.periods_min = 2,
+	.periods_max = 256,
+	.buffer_bytes_max = 8 * 48 * 1024,
+	.fifo_size = 0,
+};
+
+static int mt6797_memif_fs(struct snd_pcm_substream *substream,
+			   unsigned int rate)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+	int id = snd_soc_rtd_to_cpu(rtd, 0)->id;
+
+	return mt6797_rate_transform(afe->dev, rate, id);
+}
+
+static int mt6797_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+	return mt6797_general_rate_transform(afe->dev, rate);
+}
+
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\
+		       SNDRV_PCM_RATE_88200 |\
+		       SNDRV_PCM_RATE_96000 |\
+		       SNDRV_PCM_RATE_176400 |\
+		       SNDRV_PCM_RATE_192000)
+
+#define MTK_PCM_DAI_RATES (SNDRV_PCM_RATE_8000 |\
+			   SNDRV_PCM_RATE_16000 |\
+			   SNDRV_PCM_RATE_32000)
+
+#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			 SNDRV_PCM_FMTBIT_S24_LE |\
+			 SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mt6797_memif_dai_driver[] = {
+	/* FE DAIs: memory intefaces to CPU */
+	{
+		.name = "DL1",
+		.id = MT6797_MEMIF_DL1,
+		.playback = {
+			.stream_name = "DL1",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "DL2",
+		.id = MT6797_MEMIF_DL2,
+		.playback = {
+			.stream_name = "DL2",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "DL3",
+		.id = MT6797_MEMIF_DL3,
+		.playback = {
+			.stream_name = "DL3",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL1",
+		.id = MT6797_MEMIF_VUL12,
+		.capture = {
+			.stream_name = "UL1",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL2",
+		.id = MT6797_MEMIF_AWB,
+		.capture = {
+			.stream_name = "UL2",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL3",
+		.id = MT6797_MEMIF_VUL,
+		.capture = {
+			.stream_name = "UL3",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL_MONO_1",
+		.id = MT6797_MEMIF_MOD_DAI,
+		.capture = {
+			.stream_name = "UL_MONO_1",
+			.channels_min = 1,
+			.channels_max = 1,
+			.rates = MTK_PCM_DAI_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL_MONO_2",
+		.id = MT6797_MEMIF_DAI,
+		.capture = {
+			.stream_name = "UL_MONO_2",
+			.channels_min = 1,
+			.channels_max = 1,
+			.rates = MTK_PCM_DAI_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+};
+
+/* dma widget & routes*/
+static const struct snd_kcontrol_new memif_ul1_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN21,
+				    I_ADDA_UL_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul1_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN22,
+				    I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul2_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN5,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN5,
+				    I_DL1_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN5,
+				    I_DL2_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN5,
+				    I_DL3_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul2_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN6,
+				    I_ADDA_UL_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN6,
+				    I_DL1_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN6,
+				    I_DL2_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN6,
+				    I_DL3_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul3_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN9,
+				    I_ADDA_UL_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul3_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN10,
+				    I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul_mono_1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN12,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN12,
+				    I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul_mono_2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN11,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN11,
+				    I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mt6797_memif_widgets[] = {
+	/* memif */
+	SND_SOC_DAPM_MIXER("UL1_CH1", SND_SOC_NOPM, 0, 0,
+			   memif_ul1_ch1_mix, ARRAY_SIZE(memif_ul1_ch1_mix)),
+	SND_SOC_DAPM_MIXER("UL1_CH2", SND_SOC_NOPM, 0, 0,
+			   memif_ul1_ch2_mix, ARRAY_SIZE(memif_ul1_ch2_mix)),
+
+	SND_SOC_DAPM_MIXER("UL2_CH1", SND_SOC_NOPM, 0, 0,
+			   memif_ul2_ch1_mix, ARRAY_SIZE(memif_ul2_ch1_mix)),
+	SND_SOC_DAPM_MIXER("UL2_CH2", SND_SOC_NOPM, 0, 0,
+			   memif_ul2_ch2_mix, ARRAY_SIZE(memif_ul2_ch2_mix)),
+
+	SND_SOC_DAPM_MIXER("UL3_CH1", SND_SOC_NOPM, 0, 0,
+			   memif_ul3_ch1_mix, ARRAY_SIZE(memif_ul3_ch1_mix)),
+	SND_SOC_DAPM_MIXER("UL3_CH2", SND_SOC_NOPM, 0, 0,
+			   memif_ul3_ch2_mix, ARRAY_SIZE(memif_ul3_ch2_mix)),
+
+	SND_SOC_DAPM_MIXER("UL_MONO_1_CH1", SND_SOC_NOPM, 0, 0,
+			   memif_ul_mono_1_mix,
+			   ARRAY_SIZE(memif_ul_mono_1_mix)),
+
+	SND_SOC_DAPM_MIXER("UL_MONO_2_CH1", SND_SOC_NOPM, 0, 0,
+			   memif_ul_mono_2_mix,
+			   ARRAY_SIZE(memif_ul_mono_2_mix)),
+};
+
+static const struct snd_soc_dapm_route mt6797_memif_routes[] = {
+	/* capture */
+	{"UL1", NULL, "UL1_CH1"},
+	{"UL1", NULL, "UL1_CH2"},
+	{"UL1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+	{"UL1_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+
+	{"UL2", NULL, "UL2_CH1"},
+	{"UL2", NULL, "UL2_CH2"},
+	{"UL2_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+	{"UL2_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+
+	{"UL3", NULL, "UL3_CH1"},
+	{"UL3", NULL, "UL3_CH2"},
+	{"UL3_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+	{"UL3_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+
+	{"UL_MONO_1", NULL, "UL_MONO_1_CH1"},
+	{"UL_MONO_1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+	{"UL_MONO_1_CH1", "ADDA_UL_CH2", "ADDA Capture"},
+
+	{"UL_MONO_2", NULL, "UL_MONO_2_CH1"},
+	{"UL_MONO_2_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+	{"UL_MONO_2_CH1", "ADDA_UL_CH2", "ADDA Capture"},
+};
+
+static const struct snd_soc_component_driver mt6797_afe_pcm_dai_component = {
+	.name = "mt6797-afe-pcm-dai",
+};
+
+static const struct mtk_base_memif_data memif_data[MT6797_MEMIF_NUM] = {
+	[MT6797_MEMIF_DL1] = {
+		.name = "DL1",
+		.id = MT6797_MEMIF_DL1,
+		.reg_ofs_base = AFE_DL1_BASE,
+		.reg_ofs_cur = AFE_DL1_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = DL1_MODE_SFT,
+		.fs_maskbit = DL1_MODE_MASK,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = DL1_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = DL1_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = DL1_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_DL2] = {
+		.name = "DL2",
+		.id = MT6797_MEMIF_DL2,
+		.reg_ofs_base = AFE_DL2_BASE,
+		.reg_ofs_cur = AFE_DL2_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = DL2_MODE_SFT,
+		.fs_maskbit = DL2_MODE_MASK,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = DL2_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = DL2_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = DL2_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_DL3] = {
+		.name = "DL3",
+		.id = MT6797_MEMIF_DL3,
+		.reg_ofs_base = AFE_DL3_BASE,
+		.reg_ofs_cur = AFE_DL3_CUR,
+		.fs_reg = AFE_DAC_CON0,
+		.fs_shift = DL3_MODE_SFT,
+		.fs_maskbit = DL3_MODE_MASK,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = DL3_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = DL3_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = DL3_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_VUL] = {
+		.name = "VUL",
+		.id = MT6797_MEMIF_VUL,
+		.reg_ofs_base = AFE_VUL_BASE,
+		.reg_ofs_cur = AFE_VUL_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = VUL_MODE_SFT,
+		.fs_maskbit = VUL_MODE_MASK,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = VUL_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = VUL_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = VUL_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_AWB] = {
+		.name = "AWB",
+		.id = MT6797_MEMIF_AWB,
+		.reg_ofs_base = AFE_AWB_BASE,
+		.reg_ofs_cur = AFE_AWB_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = AWB_MODE_SFT,
+		.fs_maskbit = AWB_MODE_MASK,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = AWB_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = AWB_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = AWB_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_VUL12] = {
+		.name = "VUL12",
+		.id = MT6797_MEMIF_VUL12,
+		.reg_ofs_base = AFE_VUL_D2_BASE,
+		.reg_ofs_cur = AFE_VUL_D2_CUR,
+		.fs_reg = AFE_DAC_CON0,
+		.fs_shift = VUL_DATA2_MODE_SFT,
+		.fs_maskbit = VUL_DATA2_MODE_MASK,
+		.mono_reg = AFE_DAC_CON0,
+		.mono_shift = VUL_DATA2_DATA_SFT,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = VUL_DATA2_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = VUL_DATA2_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_DAI] = {
+		.name = "DAI",
+		.id = MT6797_MEMIF_DAI,
+		.reg_ofs_base = AFE_DAI_BASE,
+		.reg_ofs_cur = AFE_DAI_CUR,
+		.fs_reg = AFE_DAC_CON0,
+		.fs_shift = DAI_MODE_SFT,
+		.fs_maskbit = DAI_MODE_MASK,
+		.mono_reg = -1,
+		.mono_shift = 0,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = DAI_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = DAI_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+	[MT6797_MEMIF_MOD_DAI] = {
+		.name = "MOD_DAI",
+		.id = MT6797_MEMIF_MOD_DAI,
+		.reg_ofs_base = AFE_MOD_DAI_BASE,
+		.reg_ofs_cur = AFE_MOD_DAI_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = MOD_DAI_MODE_SFT,
+		.fs_maskbit = MOD_DAI_MODE_MASK,
+		.mono_reg = -1,
+		.mono_shift = 0,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = MOD_DAI_ON_SFT,
+		.hd_reg = AFE_MEMIF_HD_MODE,
+		.hd_shift = MOD_DAI_HD_SFT,
+		.agent_disable_reg = -1,
+		.msb_reg = -1,
+	},
+};
+
+static const struct mtk_base_irq_data irq_data[MT6797_IRQ_NUM] = {
+	[MT6797_IRQ_1] = {
+		.id = MT6797_IRQ_1,
+		.irq_cnt_reg = AFE_IRQ_MCU_CNT1,
+		.irq_cnt_shift = AFE_IRQ_MCU_CNT1_SFT,
+		.irq_cnt_maskbit = AFE_IRQ_MCU_CNT1_MASK,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = IRQ1_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ1_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = IRQ1_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ1_MCU_CLR_SFT,
+	},
+	[MT6797_IRQ_2] = {
+		.id = MT6797_IRQ_2,
+		.irq_cnt_reg = AFE_IRQ_MCU_CNT2,
+		.irq_cnt_shift = AFE_IRQ_MCU_CNT2_SFT,
+		.irq_cnt_maskbit = AFE_IRQ_MCU_CNT2_MASK,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = IRQ2_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ2_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = IRQ2_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ2_MCU_CLR_SFT,
+	},
+	[MT6797_IRQ_3] = {
+		.id = MT6797_IRQ_3,
+		.irq_cnt_reg = AFE_IRQ_MCU_CNT3,
+		.irq_cnt_shift = AFE_IRQ_MCU_CNT3_SFT,
+		.irq_cnt_maskbit = AFE_IRQ_MCU_CNT3_MASK,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = IRQ3_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ3_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = IRQ3_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ3_MCU_CLR_SFT,
+	},
+	[MT6797_IRQ_4] = {
+		.id = MT6797_IRQ_4,
+		.irq_cnt_reg = AFE_IRQ_MCU_CNT4,
+		.irq_cnt_shift = AFE_IRQ_MCU_CNT4_SFT,
+		.irq_cnt_maskbit = AFE_IRQ_MCU_CNT4_MASK,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = IRQ4_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ4_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = IRQ4_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ4_MCU_CLR_SFT,
+	},
+	[MT6797_IRQ_7] = {
+		.id = MT6797_IRQ_7,
+		.irq_cnt_reg = AFE_IRQ_MCU_CNT7,
+		.irq_cnt_shift = AFE_IRQ_MCU_CNT7_SFT,
+		.irq_cnt_maskbit = AFE_IRQ_MCU_CNT7_MASK,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = IRQ7_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ7_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = IRQ7_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ7_MCU_CLR_SFT,
+	},
+};
+
+static const struct regmap_config mt6797_afe_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = AFE_MAX_REGISTER,
+};
+
+static irqreturn_t mt6797_afe_irq_handler(int irq_id, void *dev)
+{
+	struct mtk_base_afe *afe = dev;
+	struct mtk_base_afe_irq *irq;
+	unsigned int status;
+	unsigned int mcu_en;
+	int ret;
+	int i;
+	irqreturn_t irq_ret = IRQ_HANDLED;
+
+	/* get irq that is sent to MCU */
+	regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
+
+	ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
+	if (ret || (status & mcu_en) == 0) {
+		dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n",
+			__func__, ret, status, mcu_en);
+
+		/* only clear IRQ which is sent to MCU */
+		status = mcu_en & AFE_IRQ_STATUS_BITS;
+
+		irq_ret = IRQ_NONE;
+		goto err_irq;
+	}
+
+	for (i = 0; i < MT6797_MEMIF_NUM; i++) {
+		struct mtk_base_afe_memif *memif = &afe->memif[i];
+
+		if (!memif->substream)
+			continue;
+
+		irq = &afe->irqs[memif->irq_usage];
+
+		if (status & (1 << irq->irq_data->irq_en_shift))
+			snd_pcm_period_elapsed(memif->substream);
+	}
+
+err_irq:
+	/* clear irq */
+	regmap_write(afe->regmap,
+		     AFE_IRQ_MCU_CLR,
+		     status & AFE_IRQ_STATUS_BITS);
+
+	return irq_ret;
+}
+
+static int mt6797_afe_runtime_suspend(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	unsigned int afe_on_retm;
+	int retry = 0;
+
+	/* disable AFE */
+	regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0);
+	do {
+		regmap_read(afe->regmap, AFE_DAC_CON0, &afe_on_retm);
+		if ((afe_on_retm & AFE_ON_RETM_MASK_SFT) == 0)
+			break;
+
+		udelay(10);
+	} while (++retry < 100000);
+
+	if (retry)
+		dev_warn(afe->dev, "%s(), retry %d\n", __func__, retry);
+
+	/* make sure all irq status are cleared */
+	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
+
+	return mt6797_afe_disable_clock(afe);
+}
+
+static int mt6797_afe_runtime_resume(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	int ret;
+
+	ret = mt6797_afe_enable_clock(afe);
+	if (ret)
+		return ret;
+
+	/* irq signal to mcu only */
+	regmap_write(afe->regmap, AFE_IRQ_MCU_EN, AFE_IRQ_MCU_EN_MASK_SFT);
+
+	/* force all memif use normal mode */
+	regmap_update_bits(afe->regmap, AFE_MEMIF_HDALIGN,
+			   0x7ff << 16, 0x7ff << 16);
+	/* force cpu use normal mode when access sram data */
+	regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
+			   CPU_COMPACT_MODE_MASK_SFT, 0);
+	/* force cpu use 8_24 format when writing 32bit data */
+	regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
+			   CPU_HD_ALIGN_MASK_SFT, 0);
+
+	/* set all output port to 24bit */
+	regmap_update_bits(afe->regmap, AFE_CONN_24BIT,
+			   0x3fffffff, 0x3fffffff);
+
+	/* enable AFE */
+	regmap_update_bits(afe->regmap, AFE_DAC_CON0,
+			   AFE_ON_MASK_SFT,
+			   0x1 << AFE_ON_SFT);
+
+	return 0;
+}
+
+static int mt6797_dai_memif_register(struct mtk_base_afe *afe)
+{
+	struct mtk_base_afe_dai *dai;
+
+	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
+	list_add(&dai->list, &afe->sub_dais);
+
+	dai->dai_drivers = mt6797_memif_dai_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mt6797_memif_dai_driver);
+
+	dai->dapm_widgets = mt6797_memif_widgets;
+	dai->num_dapm_widgets = ARRAY_SIZE(mt6797_memif_widgets);
+	dai->dapm_routes = mt6797_memif_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mt6797_memif_routes);
+	return 0;
+}
+
+typedef int (*dai_register_cb)(struct mtk_base_afe *);
+static const dai_register_cb dai_register_cbs[] = {
+	mt6797_dai_adda_register,
+	mt6797_dai_pcm_register,
+	mt6797_dai_hostless_register,
+	mt6797_dai_memif_register,
+};
+
+static int mt6797_afe_pcm_dev_probe(struct platform_device *pdev)
+{
+	struct mtk_base_afe *afe;
+	struct mt6797_afe_private *afe_priv;
+	struct device *dev;
+	int i, irq_id, ret;
+
+	afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
+	if (!afe)
+		return -ENOMEM;
+
+	afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
+					  GFP_KERNEL);
+	if (!afe->platform_priv)
+		return -ENOMEM;
+
+	afe_priv = afe->platform_priv;
+	afe->dev = &pdev->dev;
+	dev = afe->dev;
+
+	/* initial audio related clock */
+	ret = mt6797_init_clock(afe);
+	if (ret) {
+		dev_err(dev, "init clock error\n");
+		return ret;
+	}
+
+	/* regmap init */
+	afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(afe->base_addr))
+		return PTR_ERR(afe->base_addr);
+
+	afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
+					    &mt6797_afe_regmap_config);
+	if (IS_ERR(afe->regmap))
+		return PTR_ERR(afe->regmap);
+
+	/* init memif */
+	afe->memif_size = MT6797_MEMIF_NUM;
+	afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
+				  GFP_KERNEL);
+	if (!afe->memif)
+		return -ENOMEM;
+
+	for (i = 0; i < afe->memif_size; i++) {
+		afe->memif[i].data = &memif_data[i];
+		afe->memif[i].irq_usage = -1;
+	}
+
+	mutex_init(&afe->irq_alloc_lock);
+
+	/* irq initialize */
+	afe->irqs_size = MT6797_IRQ_NUM;
+	afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
+				 GFP_KERNEL);
+	if (!afe->irqs)
+		return -ENOMEM;
+
+	for (i = 0; i < afe->irqs_size; i++)
+		afe->irqs[i].irq_data = &irq_data[i];
+
+	/* request irq */
+	irq_id = platform_get_irq(pdev, 0);
+	if (irq_id < 0)
+		return irq_id;
+
+	ret = devm_request_irq(dev, irq_id, mt6797_afe_irq_handler,
+			       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
+	if (ret) {
+		dev_err(dev, "could not request_irq for asys-isr\n");
+		return ret;
+	}
+
+	/* init sub_dais */
+	INIT_LIST_HEAD(&afe->sub_dais);
+
+	for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
+		ret = dai_register_cbs[i](afe);
+		if (ret) {
+			dev_warn(afe->dev, "dai register i %d fail, ret %d\n",
+				 i, ret);
+			return ret;
+		}
+	}
+
+	/* init dai_driver and component_driver */
+	ret = mtk_afe_combine_sub_dai(afe);
+	if (ret) {
+		dev_warn(afe->dev, "mtk_afe_combine_sub_dai fail, ret %d\n",
+			 ret);
+		return ret;
+	}
+
+	afe->mtk_afe_hardware = &mt6797_afe_hardware;
+	afe->memif_fs = mt6797_memif_fs;
+	afe->irq_fs = mt6797_irq_fs;
+
+	afe->runtime_resume = mt6797_afe_runtime_resume;
+	afe->runtime_suspend = mt6797_afe_runtime_suspend;
+
+	platform_set_drvdata(pdev, afe);
+
+	pm_runtime_enable(dev);
+	if (!pm_runtime_enabled(dev))
+		goto err_pm_disable;
+	pm_runtime_get_sync(&pdev->dev);
+
+	/* register component */
+	ret = devm_snd_soc_register_component(dev, &mtk_afe_pcm_platform,
+					      NULL, 0);
+	if (ret) {
+		dev_warn(dev, "err_platform\n");
+		goto err_pm_disable;
+	}
+
+	ret = devm_snd_soc_register_component(afe->dev,
+				     &mt6797_afe_pcm_dai_component,
+				     afe->dai_drivers,
+				     afe->num_dai_drivers);
+	if (ret) {
+		dev_warn(dev, "err_dai_component\n");
+		goto err_pm_disable;
+	}
+
+	return 0;
+
+err_pm_disable:
+	pm_runtime_disable(dev);
+
+	return ret;
+}
+
+static void mt6797_afe_pcm_dev_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		mt6797_afe_runtime_suspend(&pdev->dev);
+	pm_runtime_put_sync(&pdev->dev);
+}
+
+static const struct of_device_id mt6797_afe_pcm_dt_match[] = {
+	{ .compatible = "mediatek,mt6797-audio", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, mt6797_afe_pcm_dt_match);
+
+static const struct dev_pm_ops mt6797_afe_pm_ops = {
+	RUNTIME_PM_OPS(mt6797_afe_runtime_suspend,
+		       mt6797_afe_runtime_resume, NULL)
+};
+
+static struct platform_driver mt6797_afe_pcm_driver = {
+	.driver = {
+		   .name = "mt6797-audio",
+		   .of_match_table = mt6797_afe_pcm_dt_match,
+		   .pm = pm_ptr(&mt6797_afe_pm_ops),
+	},
+	.probe = mt6797_afe_pcm_dev_probe,
+	.remove = mt6797_afe_pcm_dev_remove,
+};
+
+module_platform_driver(mt6797_afe_pcm_driver);
+
+MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 6797");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
+MODULE_LICENSE("GPL v2");

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-dai-adda.c

@@ -0,0 +1,323 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI ADDA Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/regmap.h>
+#include <linux/delay.h>
+#include "mt6797-afe-common.h"
+#include "mt6797-interconnection.h"
+#include "mt6797-reg.h"
+#include "../common/mtk-dai-adda-common.h"
+
+/* dai component */
+static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3,
+				    I_ADDA_UL_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN3,
+				    I_PCM_1_CAP_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN3,
+				    I_PCM_2_CAP_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4,
+				    I_ADDA_UL_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN4,
+				    I_PCM_1_CAP_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN4,
+				    I_PCM_2_CAP_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN4,
+				    I_PCM_1_CAP_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN4,
+				    I_PCM_2_CAP_CH2, 1, 0),
+};
+
+static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
+			     struct snd_kcontrol *kcontrol,
+			     int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+		__func__, w->name, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMD:
+		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
+		usleep_range(125, 135);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+enum {
+	SUPPLY_SEQ_AUD_TOP_PDN,
+	SUPPLY_SEQ_ADDA_AFE_ON,
+	SUPPLY_SEQ_ADDA_DL_ON,
+	SUPPLY_SEQ_ADDA_UL_ON,
+};
+
+static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
+	/* adda */
+	SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0,
+			   mtk_adda_dl_ch1_mix,
+			   ARRAY_SIZE(mtk_adda_dl_ch1_mix)),
+	SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0,
+			   mtk_adda_dl_ch2_mix,
+			   ARRAY_SIZE(mtk_adda_dl_ch2_mix)),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
+			      AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0,
+			      NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
+			      AFE_ADDA_DL_SRC2_CON0,
+			      DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
+			      NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
+			      AFE_ADDA_UL_SRC_CON0,
+			      UL_SRC_ON_TMP_CTL_SFT, 0,
+			      mtk_adda_ul_event,
+			      SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+			      AUDIO_TOP_CON0, PDN_DAC_SFT, 1,
+			      NULL, 0),
+	SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+			      AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1,
+			      NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+			      AUDIO_TOP_CON0, PDN_ADC_SFT, 1,
+			      NULL, 0),
+
+	SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
+	/* playback */
+	{"ADDA_DL_CH1", "DL1_CH1", "DL1"},
+	{"ADDA_DL_CH2", "DL1_CH1", "DL1"},
+	{"ADDA_DL_CH2", "DL1_CH2", "DL1"},
+
+	{"ADDA_DL_CH1", "DL2_CH1", "DL2"},
+	{"ADDA_DL_CH2", "DL2_CH1", "DL2"},
+	{"ADDA_DL_CH2", "DL2_CH2", "DL2"},
+
+	{"ADDA_DL_CH1", "DL3_CH1", "DL3"},
+	{"ADDA_DL_CH2", "DL3_CH1", "DL3"},
+	{"ADDA_DL_CH2", "DL3_CH2", "DL3"},
+
+	{"ADDA Playback", NULL, "ADDA_DL_CH1"},
+	{"ADDA Playback", NULL, "ADDA_DL_CH2"},
+
+	/* adda enable */
+	{"ADDA Playback", NULL, "ADDA Enable"},
+	{"ADDA Playback", NULL, "ADDA Playback Enable"},
+	{"ADDA Capture", NULL, "ADDA Enable"},
+	{"ADDA Capture", NULL, "ADDA Capture Enable"},
+
+	/* clk */
+	{"ADDA Playback", NULL, "mtkaif_26m_clk"},
+	{"ADDA Playback", NULL, "aud_dac_clk"},
+	{"ADDA Playback", NULL, "aud_dac_predis_clk"},
+
+	{"ADDA Capture", NULL, "mtkaif_26m_clk"},
+	{"ADDA Capture", NULL, "aud_adc_clk"},
+};
+
+/* dai ops */
+static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *params,
+				  struct snd_soc_dai *dai)
+{
+	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+	unsigned int rate = params_rate(params);
+
+	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
+		__func__, dai->id, substream->stream, rate);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		unsigned int dl_src2_con0 = 0;
+		unsigned int dl_src2_con1 = 0;
+
+		/* clean predistortion */
+		regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0);
+		regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0);
+
+		/* set input sampling rate */
+		dl_src2_con0 = mtk_adda_dl_rate_transform(afe, rate) << 28;
+
+		/* set output mode */
+		switch (rate) {
+		case 192000:
+			dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */
+			dl_src2_con0 |= 1 << 14;
+			break;
+		case 96000:
+			dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */
+			dl_src2_con0 |= 1 << 14;
+			break;
+		default:
+			dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */
+			break;
+		}
+
+		/* turn off mute function */
+		dl_src2_con0 |= (0x03 << 11);
+
+		/* set voice input data if input sample rate is 8k or 16k */
+		if (rate == 8000 || rate == 16000)
+			dl_src2_con0 |= 0x01 << 5;
+
+		if (rate < 96000) {
+			/* SA suggest apply -0.3db to audio/speech path */
+			dl_src2_con1 = 0xf74f0000;
+		} else {
+			/* SA suggest apply -0.3db to audio/speech path
+			 * with DL gain set to half,
+			 * 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k
+			 */
+			dl_src2_con1 = 0x7ba70000;
+		}
+
+		/* turn on down-link gain */
+		dl_src2_con0 = dl_src2_con0 | (0x01 << 1);
+
+		regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0);
+		regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1);
+	} else {
+		unsigned int voice_mode = 0;
+		unsigned int ul_src_con0 = 0;	/* default value */
+
+		/* Using Internal ADC */
+		regmap_update_bits(afe->regmap,
+				   AFE_ADDA_TOP_CON0,
+				   0x1 << 0,
+				   0x0 << 0);
+
+		voice_mode = mtk_adda_ul_rate_transform(afe, rate);
+
+		ul_src_con0 |= (voice_mode << 17) & (0x7 << 17);
+
+		/* up8x txif sat on */
+		regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201);
+
+		if (rate >= 96000) {	/* hires */
+			/* use hires format [1 0 23] */
+			regmap_update_bits(afe->regmap,
+					   AFE_ADDA_NEWIF_CFG0,
+					   0x1 << 5,
+					   0x1 << 5);
+
+			regmap_update_bits(afe->regmap,
+					   AFE_ADDA_NEWIF_CFG2,
+					   0xf << 28,
+					   voice_mode << 28);
+		} else {	/* normal 8~48k */
+			/* use fixed 260k anc path */
+			regmap_update_bits(afe->regmap,
+					   AFE_ADDA_NEWIF_CFG2,
+					   0xf << 28,
+					   8 << 28);
+
+			/* ul_use_cic_out */
+			ul_src_con0 |= 0x1 << 20;
+		}
+
+		regmap_update_bits(afe->regmap,
+				   AFE_ADDA_NEWIF_CFG2,
+				   0xf << 28,
+				   8 << 28);
+
+		regmap_update_bits(afe->regmap,
+				   AFE_ADDA_UL_SRC_CON0,
+				   0xfffffffe,
+				   ul_src_con0);
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
+	.hw_params = mtk_dai_adda_hw_params,
+};
+
+/* dai driver */
+#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
+				 SNDRV_PCM_RATE_96000 |\
+				 SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
+				SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 |\
+				SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_96000 |\
+				SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			  SNDRV_PCM_FMTBIT_S24_LE |\
+			  SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
+	{
+		.name = "ADDA",
+		.id = MT6797_DAI_ADDA,
+		.playback = {
+			.stream_name = "ADDA Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_ADDA_PLAYBACK_RATES,
+			.formats = MTK_ADDA_FORMATS,
+		},
+		.capture = {
+			.stream_name = "ADDA Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_ADDA_CAPTURE_RATES,
+			.formats = MTK_ADDA_FORMATS,
+		},
+		.ops = &mtk_dai_adda_ops,
+	},
+};
+
+int mt6797_dai_adda_register(struct mtk_base_afe *afe)
+{
+	struct mtk_base_afe_dai *dai;
+
+	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
+	list_add(&dai->list, &afe->sub_dais);
+
+	dai->dai_drivers = mtk_dai_adda_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
+
+	dai->dapm_widgets = mtk_dai_adda_widgets;
+	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
+	dai->dapm_routes = mtk_dai_adda_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
+	return 0;
+}

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-dai-hostless.c

@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI Hostless Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include "mt6797-afe-common.h"
+
+/* dai component */
+static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
+	/* Hostless ADDA Loopback */
+	{"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"Hostless LPBK UL", NULL, "ADDA Capture"},
+
+	/* Hostless Speech */
+	{"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},
+	{"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},
+	{"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
+	{"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
+	{"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
+	{"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
+
+	{"Hostless Speech UL", NULL, "PCM 1 Capture"},
+	{"Hostless Speech UL", NULL, "PCM 2 Capture"},
+	{"Hostless Speech UL", NULL, "ADDA Capture"},
+};
+
+/* dai ops */
+static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,
+				    struct snd_soc_dai *dai)
+{
+	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+
+	return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);
+}
+
+static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
+	.startup = mtk_dai_hostless_startup,
+};
+
+/* dai driver */
+#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
+			   SNDRV_PCM_RATE_88200 |\
+			   SNDRV_PCM_RATE_96000 |\
+			   SNDRV_PCM_RATE_176400 |\
+			   SNDRV_PCM_RATE_192000)
+
+#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			     SNDRV_PCM_FMTBIT_S24_LE |\
+			     SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
+	{
+		.name = "Hostless LPBK DAI",
+		.id = MT6797_DAI_HOSTLESS_LPBK,
+		.playback = {
+			.stream_name = "Hostless LPBK DL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Hostless LPBK UL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.ops = &mtk_dai_hostless_ops,
+	},
+	{
+		.name = "Hostless Speech DAI",
+		.id = MT6797_DAI_HOSTLESS_SPEECH,
+		.playback = {
+			.stream_name = "Hostless Speech DL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Hostless Speech UL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.ops = &mtk_dai_hostless_ops,
+	},
+};
+
+int mt6797_dai_hostless_register(struct mtk_base_afe *afe)
+{
+	struct mtk_base_afe_dai *dai;
+
+	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
+	list_add(&dai->list, &afe->sub_dais);
+
+	dai->dai_drivers = mtk_dai_hostless_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);
+
+	dai->dapm_routes = mtk_dai_hostless_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);
+
+	return 0;
+}

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-dai-pcm.c

@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI I2S Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt6797-afe-common.h"
+#include "mt6797-interconnection.h"
+#include "mt6797-reg.h"
+
+enum AUD_TX_LCH_RPT {
+	AUD_TX_LCH_RPT_NO_REPEAT = 0,
+	AUD_TX_LCH_RPT_REPEAT = 1
+};
+
+enum AUD_VBT_16K_MODE {
+	AUD_VBT_16K_MODE_DISABLE = 0,
+	AUD_VBT_16K_MODE_ENABLE = 1
+};
+
+enum AUD_EXT_MODEM {
+	AUD_EXT_MODEM_SELECT_INTERNAL = 0,
+	AUD_EXT_MODEM_SELECT_EXTERNAL = 1
+};
+
+enum AUD_PCM_SYNC_TYPE {
+	/* bck sync length = 1 */
+	AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
+	/* bck sync length = PCM_INTF_CON1[9:13] */
+	AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
+};
+
+enum AUD_BT_MODE {
+	AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
+	AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
+};
+
+enum AUD_PCM_AFIFO_SRC {
+	/* slave mode & external modem uses different crystal */
+	AUD_PCM_AFIFO_ASRC = 0,
+	/* slave mode & external modem uses the same crystal */
+	AUD_PCM_AFIFO_AFIFO = 1
+};
+
+enum AUD_PCM_CLOCK_SOURCE {
+	AUD_PCM_CLOCK_MASTER_MODE = 0,
+	AUD_PCM_CLOCK_SLAVE_MODE = 1
+};
+
+enum AUD_PCM_WLEN {
+	AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
+	AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
+};
+
+enum AUD_PCM_MODE {
+	AUD_PCM_MODE_PCM_MODE_8K = 0,
+	AUD_PCM_MODE_PCM_MODE_16K = 1,
+	AUD_PCM_MODE_PCM_MODE_32K = 2,
+	AUD_PCM_MODE_PCM_MODE_48K = 3,
+};
+
+enum AUD_PCM_FMT {
+	AUD_PCM_FMT_I2S = 0,
+	AUD_PCM_FMT_EIAJ = 1,
+	AUD_PCM_FMT_PCM_MODE_A = 2,
+	AUD_PCM_FMT_PCM_MODE_B = 3
+};
+
+enum AUD_BCLK_OUT_INV {
+	AUD_BCLK_OUT_INV_NO_INVERSE = 0,
+	AUD_BCLK_OUT_INV_INVERSE = 1
+};
+
+enum AUD_PCM_EN {
+	AUD_PCM_EN_DISABLE = 0,
+	AUD_PCM_EN_ENABLE = 1
+};
+
+/* dai component */
+static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
+				    I_DL2_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,
+				    I_ADDA_UL_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,
+				    I_DL2_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,
+				    I_DL1_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,
+				    I_ADDA_UL_CH1, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,
+				    I_DL2_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,
+				    I_ADDA_UL_CH2, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,
+				    I_DL2_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,
+				    I_DL1_CH1, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
+	/* inter-connections */
+	SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_1_playback_ch1_mix,
+			   ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
+	SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_1_playback_ch2_mix,
+			   ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
+	SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_1_playback_ch4_mix,
+			   ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),
+	SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_2_playback_ch1_mix,
+			   ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),
+	SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_2_playback_ch2_mix,
+			   ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),
+	SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,
+			   mtk_pcm_2_playback_ch4_mix,
+			   ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),
+
+	SND_SOC_DAPM_SUPPLY("PCM_1_EN", PCM_INTF_CON1, PCM_EN_SFT, 0,
+			    NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("PCM_2_EN", PCM2_INTF_CON, PCM2_EN_SFT, 0,
+			    NULL, 0),
+
+	SND_SOC_DAPM_INPUT("MD1_TO_AFE"),
+	SND_SOC_DAPM_INPUT("MD2_TO_AFE"),
+	SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),
+	SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
+	{"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
+	{"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
+	{"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
+	{"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
+	{"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
+	{"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
+
+	{"PCM 1 Playback", NULL, "PCM_1_EN"},
+	{"PCM 2 Playback", NULL, "PCM_2_EN"},
+	{"PCM 1 Capture", NULL, "PCM_1_EN"},
+	{"PCM 2 Capture", NULL, "PCM_2_EN"},
+
+	{"AFE_TO_MD1", NULL, "PCM 2 Playback"},
+	{"AFE_TO_MD2", NULL, "PCM 1 Playback"},
+	{"PCM 2 Capture", NULL, "MD1_TO_AFE"},
+	{"PCM 1 Capture", NULL, "MD2_TO_AFE"},
+
+	{"PCM_1_PB_CH1", "DL2_CH1", "DL2"},
+	{"PCM_1_PB_CH2", "DL2_CH2", "DL2"},
+	{"PCM_1_PB_CH4", "DL1_CH1", "DL1"},
+	{"PCM_2_PB_CH1", "DL2_CH1", "DL2"},
+	{"PCM_2_PB_CH2", "DL2_CH2", "DL2"},
+	{"PCM_2_PB_CH4", "DL1_CH1", "DL1"},
+};
+
+/* dai ops */
+static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params,
+				 struct snd_soc_dai *dai)
+{
+	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+	struct snd_soc_dapm_widget *p = snd_soc_dai_get_widget_playback(dai);
+	struct snd_soc_dapm_widget *c = snd_soc_dai_get_widget_capture(dai);
+	unsigned int rate = params_rate(params);
+	unsigned int rate_reg = mt6797_rate_transform(afe->dev, rate, dai->id);
+	unsigned int pcm_con = 0;
+
+	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",
+		__func__,
+		dai->id,
+		substream->stream,
+		rate,
+		rate_reg,
+		p->active,
+		c->active);
+
+	if (p->active || c->active)
+		return 0;
+
+	switch (dai->id) {
+	case MT6797_DAI_PCM_1:
+		pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;
+		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
+		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
+		pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;
+		pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
+		pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
+		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
+		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
+		pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;
+		pcm_con |= rate_reg << PCM_MODE_SFT;
+		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;
+
+		regmap_update_bits(afe->regmap, PCM_INTF_CON1,
+				   0xfffffffe, pcm_con);
+		break;
+	case MT6797_DAI_PCM_2:
+		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;
+		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;
+		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;
+		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;
+		pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;
+		pcm_con |= rate_reg << PCM2_MODE_SFT;
+		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;
+
+		regmap_update_bits(afe->regmap, PCM2_INTF_CON,
+				   0xfffffffe, pcm_con);
+		break;
+	default:
+		dev_warn(afe->dev, "%s(), id %d not support\n",
+			 __func__, dai->id);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
+	.hw_params = mtk_dai_pcm_hw_params,
+};
+
+/* dai driver */
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
+		       SNDRV_PCM_RATE_16000 |\
+		       SNDRV_PCM_RATE_32000 |\
+		       SNDRV_PCM_RATE_48000)
+
+#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			 SNDRV_PCM_FMTBIT_S24_LE |\
+			 SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
+	{
+		.name = "PCM 1",
+		.id = MT6797_DAI_PCM_1,
+		.playback = {
+			.stream_name = "PCM 1 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.capture = {
+			.stream_name = "PCM 1 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_dai_pcm_ops,
+		.symmetric_rate = 1,
+		.symmetric_sample_bits = 1,
+	},
+	{
+		.name = "PCM 2",
+		.id = MT6797_DAI_PCM_2,
+		.playback = {
+			.stream_name = "PCM 2 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.capture = {
+			.stream_name = "PCM 2 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_dai_pcm_ops,
+		.symmetric_rate = 1,
+		.symmetric_sample_bits = 1,
+	},
+};
+
+int mt6797_dai_pcm_register(struct mtk_base_afe *afe)
+{
+	struct mtk_base_afe_dai *dai;
+
+	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
+	list_add(&dai->list, &afe->sub_dais);
+
+	dai->dai_drivers = mtk_dai_pcm_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
+
+	dai->dapm_widgets = mtk_dai_pcm_widgets;
+	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
+	dai->dapm_routes = mtk_dai_pcm_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
+	return 0;
+}

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-interconnection.h

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Mediatek MT6797 audio driver interconnection definition
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ */
+
+#ifndef _MT6797_INTERCONNECTION_H_
+#define _MT6797_INTERCONNECTION_H_
+
+#define I_I2S0_CH1 0
+#define I_I2S0_CH2 1
+#define I_ADDA_UL_CH1 3
+#define I_ADDA_UL_CH2 4
+#define I_DL1_CH1 5
+#define I_DL1_CH2 6
+#define I_DL2_CH1 7
+#define I_DL2_CH2 8
+#define I_PCM_1_CAP_CH1 9
+#define I_GAIN1_OUT_CH1 10
+#define I_GAIN1_OUT_CH2 11
+#define I_GAIN2_OUT_CH1 12
+#define I_GAIN2_OUT_CH2 13
+#define I_PCM_2_CAP_CH1 14
+#define I_PCM_2_CAP_CH2 21
+#define I_PCM_1_CAP_CH2 22
+#define I_DL3_CH1 23
+#define I_DL3_CH2 24
+#define I_I2S2_CH1 25
+#define I_I2S2_CH2 26
+
+#endif

linux-7.2.3/sound/soc/mediatek/mt6797/mt6797-mt6351.c

@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// mt6797-mt6351.c  --  MT6797 MT6351 ALSA SoC machine driver
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "mt6797-afe-common.h"
+
+SND_SOC_DAILINK_DEFS(playback_1,
+	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(playback_2,
+	DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(playback_3,
+	DAILINK_COMP_ARRAY(COMP_CPU("DL3")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture_1,
+	DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture_2,
+	DAILINK_COMP_ARRAY(COMP_CPU("UL2")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture_3,
+	DAILINK_COMP_ARRAY(COMP_CPU("UL3")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture_mono_1,
+	DAILINK_COMP_ARRAY(COMP_CPU("UL_MONO_1")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hostless_lpbk,
+	DAILINK_COMP_ARRAY(COMP_CPU("Hostless LPBK DAI")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hostless_speech,
+	DAILINK_COMP_ARRAY(COMP_CPU("Hostless Speech DAI")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(primary_codec,
+	DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "mt6351-snd-codec-aif1")),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(pcm1,
+	DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(pcm2,
+	DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
+	/* FE */
+	{
+		.name = "Playback_1",
+		.stream_name = "Playback_1",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.playback_only = 1,
+		SND_SOC_DAILINK_REG(playback_1),
+	},
+	{
+		.name = "Playback_2",
+		.stream_name = "Playback_2",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.playback_only = 1,
+		SND_SOC_DAILINK_REG(playback_2),
+	},
+	{
+		.name = "Playback_3",
+		.stream_name = "Playback_3",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.playback_only = 1,
+		SND_SOC_DAILINK_REG(playback_3),
+	},
+	{
+		.name = "Capture_1",
+		.stream_name = "Capture_1",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.capture_only = 1,
+		SND_SOC_DAILINK_REG(capture_1),
+	},
+	{
+		.name = "Capture_2",
+		.stream_name = "Capture_2",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.capture_only = 1,
+		SND_SOC_DAILINK_REG(capture_2),
+	},
+	{
+		.name = "Capture_3",
+		.stream_name = "Capture_3",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.capture_only = 1,
+		SND_SOC_DAILINK_REG(capture_3),
+	},
+	{
+		.name = "Capture_Mono_1",
+		.stream_name = "Capture_Mono_1",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.capture_only = 1,
+		SND_SOC_DAILINK_REG(capture_mono_1),
+	},
+	{
+		.name = "Hostless_LPBK",
+		.stream_name = "Hostless_LPBK",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.ignore_suspend = 1,
+		SND_SOC_DAILINK_REG(hostless_lpbk),
+	},
+	{
+		.name = "Hostless_Speech",
+		.stream_name = "Hostless_Speech",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.ignore_suspend = 1,
+		SND_SOC_DAILINK_REG(hostless_speech),
+	},
+	/* BE */
+	{
+		.name = "Primary Codec",
+		.no_pcm = 1,
+		.ignore_suspend = 1,
+		SND_SOC_DAILINK_REG(primary_codec),
+	},
+	{
+		.name = "PCM 1",
+		.no_pcm = 1,
+		.ignore_suspend = 1,
+		SND_SOC_DAILINK_REG(pcm1),
+	},
+	{
+		.name = "PCM 2",
+		.no_pcm = 1,
+		.ignore_suspend = 1,
+		SND_SOC_DAILINK_REG(pcm2),
+	},
+};
+
+static struct snd_soc_card mt6797_mt6351_card = {
+	.name = "mt6797-mt6351",
+	.owner = THIS_MODULE,
+	.dai_link = mt6797_mt6351_dai_links,
+	.num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
+};
+
+static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &mt6797_mt6351_card;
+	struct device_node *platform_node, *codec_node;
+	struct snd_soc_dai_link *dai_link;
+	int ret, i;
+
+	card->dev = &pdev->dev;
+
+	platform_node = of_parse_phandle(pdev->dev.of_node,
+					 "mediatek,platform", 0);
+	if (!platform_node) {
+		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+		return -EINVAL;
+	}
+	for_each_card_prelinks(card, i, dai_link) {
+		if (dai_link->platforms->name)
+			continue;
+		dai_link->platforms->of_node = platform_node;
+	}
+
+	codec_node = of_parse_phandle(pdev->dev.of_node,
+				      "mediatek,audio-codec", 0);
+	if (!codec_node) {
+		dev_err(&pdev->dev,
+			"Property 'audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto put_platform_node;
+	}
+	for_each_card_prelinks(card, i, dai_link) {
+		if (dai_link->codecs->name)
+			continue;
+		dai_link->codecs->of_node = codec_node;
+	}
+
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+	if (ret)
+		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
+			__func__, ret);
+
+	of_node_put(codec_node);
+put_platform_node:
+	of_node_put(platform_node);
+	return ret;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id mt6797_mt6351_dt_match[] = {
+	{.compatible = "mediatek,mt6797-mt6351-sound",},
+	{}
+};
+MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
+#endif
+
+static struct platform_driver mt6797_mt6351_driver = {
+	.driver = {
+		.name = "mt6797-mt6351",
+#ifdef CONFIG_OF
+		.of_match_table = mt6797_mt6351_dt_match,
+#endif
+	},
+	.probe = mt6797_mt6351_dev_probe,
+};
+
+module_platform_driver(mt6797_mt6351_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt6797 mt6351 soc card");
+