Merge branch 'linus' into timers/urgent, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 1240 insertions, 0 deletions

diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
new file mode 100644
index 000000000000..8a643a35d3d4
--- /dev/null
+++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
@@ -0,0 +1,1240 @@
+/*
+ * Mediatek 8173 ALSA SoC AFE platform driver
+ *
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ *             Sascha Hauer <s.hauer@pengutronix.de>
+ *             Hidalgo Huang <hidalgo.huang@mediatek.com>
+ *             Ir Lian <ir.lian@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/dma-mapping.h>
+#include <linux/pm_runtime.h>
+#include <sound/soc.h>
+#include "mt8173-afe-common.h"
+#include "../common/mtk-base-afe.h"
+#include "../common/mtk-afe-platform-driver.h"
+#include "../common/mtk-afe-fe-dai.h"
+
+/*****************************************************************************
+ *                  R E G I S T E R       D E F I N I T I O N
+ *****************************************************************************/
+#define AUDIO_TOP_CON0		0x0000
+#define AUDIO_TOP_CON1		0x0004
+#define AFE_DAC_CON0		0x0010
+#define AFE_DAC_CON1		0x0014
+#define AFE_I2S_CON1		0x0034
+#define AFE_I2S_CON2		0x0038
+#define AFE_CONN_24BIT		0x006c
+#define AFE_MEMIF_MSB		0x00cc
+
+#define AFE_CONN1		0x0024
+#define AFE_CONN2		0x0028
+#define AFE_CONN3		0x002c
+#define AFE_CONN7		0x0460
+#define AFE_CONN8		0x0464
+#define AFE_HDMI_CONN0		0x0390
+
+/* Memory interface */
+#define AFE_DL1_BASE		0x0040
+#define AFE_DL1_CUR		0x0044
+#define AFE_DL1_END		0x0048
+#define AFE_DL2_BASE		0x0050
+#define AFE_DL2_CUR		0x0054
+#define AFE_AWB_BASE		0x0070
+#define AFE_AWB_CUR		0x007c
+#define AFE_VUL_BASE		0x0080
+#define AFE_VUL_CUR		0x008c
+#define AFE_VUL_END		0x0088
+#define AFE_DAI_BASE		0x0090
+#define AFE_DAI_CUR		0x009c
+#define AFE_MOD_PCM_BASE	0x0330
+#define AFE_MOD_PCM_CUR		0x033c
+#define AFE_HDMI_OUT_BASE	0x0374
+#define AFE_HDMI_OUT_CUR	0x0378
+#define AFE_HDMI_OUT_END	0x037c
+
+#define AFE_ADDA_TOP_CON0	0x0120
+#define AFE_ADDA2_TOP_CON0	0x0600
+
+#define AFE_HDMI_OUT_CON0	0x0370
+
+#define AFE_IRQ_MCU_CON		0x03a0
+#define AFE_IRQ_STATUS		0x03a4
+#define AFE_IRQ_CLR		0x03a8
+#define AFE_IRQ_CNT1		0x03ac
+#define AFE_IRQ_CNT2		0x03b0
+#define AFE_IRQ_MCU_EN		0x03b4
+#define AFE_IRQ_CNT5		0x03bc
+#define AFE_IRQ_CNT7		0x03dc
+
+#define AFE_TDM_CON1		0x0548
+#define AFE_TDM_CON2		0x054c
+
+#define AFE_IRQ_STATUS_BITS	0xff
+
+/* AUDIO_TOP_CON0 (0x0000) */
+#define AUD_TCON0_PDN_SPDF		(0x1 << 21)
+#define AUD_TCON0_PDN_HDMI		(0x1 << 20)
+#define AUD_TCON0_PDN_24M		(0x1 << 9)
+#define AUD_TCON0_PDN_22M		(0x1 << 8)
+#define AUD_TCON0_PDN_AFE		(0x1 << 2)
+
+/* AFE_I2S_CON1 (0x0034) */
+#define AFE_I2S_CON1_LOW_JITTER_CLK	(0x1 << 12)
+#define AFE_I2S_CON1_RATE(x)		(((x) & 0xf) << 8)
+#define AFE_I2S_CON1_FORMAT_I2S		(0x1 << 3)
+#define AFE_I2S_CON1_EN			(0x1 << 0)
+
+/* AFE_I2S_CON2 (0x0038) */
+#define AFE_I2S_CON2_LOW_JITTER_CLK	(0x1 << 12)
+#define AFE_I2S_CON2_RATE(x)		(((x) & 0xf) << 8)
+#define AFE_I2S_CON2_FORMAT_I2S		(0x1 << 3)
+#define AFE_I2S_CON2_EN			(0x1 << 0)
+
+/* AFE_CONN_24BIT (0x006c) */
+#define AFE_CONN_24BIT_O04		(0x1 << 4)
+#define AFE_CONN_24BIT_O03		(0x1 << 3)
+
+/* AFE_HDMI_CONN0 (0x0390) */
+#define AFE_HDMI_CONN0_O37_I37		(0x7 << 21)
+#define AFE_HDMI_CONN0_O36_I36		(0x6 << 18)
+#define AFE_HDMI_CONN0_O35_I33		(0x3 << 15)
+#define AFE_HDMI_CONN0_O34_I32		(0x2 << 12)
+#define AFE_HDMI_CONN0_O33_I35		(0x5 << 9)
+#define AFE_HDMI_CONN0_O32_I34		(0x4 << 6)
+#define AFE_HDMI_CONN0_O31_I31		(0x1 << 3)
+#define AFE_HDMI_CONN0_O30_I30		(0x0 << 0)
+
+/* AFE_TDM_CON1 (0x0548) */
+#define AFE_TDM_CON1_LRCK_WIDTH(x)	(((x) - 1) << 24)
+#define AFE_TDM_CON1_32_BCK_CYCLES	(0x2 << 12)
+#define AFE_TDM_CON1_WLEN_32BIT		(0x2 << 8)
+#define AFE_TDM_CON1_MSB_ALIGNED	(0x1 << 4)
+#define AFE_TDM_CON1_1_BCK_DELAY	(0x1 << 3)
+#define AFE_TDM_CON1_LRCK_INV		(0x1 << 2)
+#define AFE_TDM_CON1_BCK_INV		(0x1 << 1)
+#define AFE_TDM_CON1_EN			(0x1 << 0)
+
+enum afe_tdm_ch_start {
+	AFE_TDM_CH_START_O30_O31 = 0,
+	AFE_TDM_CH_START_O32_O33,
+	AFE_TDM_CH_START_O34_O35,
+	AFE_TDM_CH_START_O36_O37,
+	AFE_TDM_CH_ZERO,
+};
+
+static const unsigned int mt8173_afe_backup_list[] = {
+	AUDIO_TOP_CON0,
+	AFE_CONN1,
+	AFE_CONN2,
+	AFE_CONN7,
+	AFE_CONN8,
+	AFE_DAC_CON1,
+	AFE_DL1_BASE,
+	AFE_DL1_END,
+	AFE_VUL_BASE,
+	AFE_VUL_END,
+	AFE_HDMI_OUT_BASE,
+	AFE_HDMI_OUT_END,
+	AFE_HDMI_CONN0,
+	AFE_DAC_CON0,
+};
+
+struct mt8173_afe_private {
+	struct clk *clocks[MT8173_CLK_NUM];
+};
+
+static const struct snd_pcm_hardware mt8173_afe_hardware = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+		 SNDRV_PCM_INFO_MMAP_VALID),
+	.buffer_bytes_max = 256 * 1024,
+	.period_bytes_min = 512,
+	.period_bytes_max = 128 * 1024,
+	.periods_min = 2,
+	.periods_max = 256,
+	.fifo_size = 0,
+};
+
+struct mt8173_afe_rate {
+	unsigned int rate;
+	unsigned int regvalue;
+};
+
+static const struct mt8173_afe_rate mt8173_afe_i2s_rates[] = {
+	{ .rate = 8000, .regvalue = 0 },
+	{ .rate = 11025, .regvalue = 1 },
+	{ .rate = 12000, .regvalue = 2 },
+	{ .rate = 16000, .regvalue = 4 },
+	{ .rate = 22050, .regvalue = 5 },
+	{ .rate = 24000, .regvalue = 6 },
+	{ .rate = 32000, .regvalue = 8 },
+	{ .rate = 44100, .regvalue = 9 },
+	{ .rate = 48000, .regvalue = 10 },
+	{ .rate = 88000, .regvalue = 11 },
+	{ .rate = 96000, .regvalue = 12 },
+	{ .rate = 174000, .regvalue = 13 },
+	{ .rate = 192000, .regvalue = 14 },
+};
+
+static int mt8173_afe_i2s_fs(unsigned int sample_rate)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mt8173_afe_i2s_rates); i++)
+		if (mt8173_afe_i2s_rates[i].rate == sample_rate)
+			return mt8173_afe_i2s_rates[i].regvalue;
+
+	return -EINVAL;
+}
+
+static int mt8173_afe_set_i2s(struct mtk_base_afe *afe, unsigned int rate)
+{
+	unsigned int val;
+	int fs = mt8173_afe_i2s_fs(rate);
+
+	if (fs < 0)
+		return -EINVAL;
+
+	/* from external ADC */
+	regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, 0x1, 0x1);
+	regmap_update_bits(afe->regmap, AFE_ADDA2_TOP_CON0, 0x1, 0x1);
+
+	/* set input */
+	val = AFE_I2S_CON2_LOW_JITTER_CLK |
+	      AFE_I2S_CON2_RATE(fs) |
+	      AFE_I2S_CON2_FORMAT_I2S;
+
+	regmap_update_bits(afe->regmap, AFE_I2S_CON2, ~AFE_I2S_CON2_EN, val);
+
+	/* set output */
+	val = AFE_I2S_CON1_LOW_JITTER_CLK |
+	      AFE_I2S_CON1_RATE(fs) |
+	      AFE_I2S_CON1_FORMAT_I2S;
+
+	regmap_update_bits(afe->regmap, AFE_I2S_CON1, ~AFE_I2S_CON1_EN, val);
+	return 0;
+}
+
+static void mt8173_afe_set_i2s_enable(struct mtk_base_afe *afe, bool enable)
+{
+	unsigned int val;
+
+	regmap_read(afe->regmap, AFE_I2S_CON2, &val);
+	if (!!(val & AFE_I2S_CON2_EN) == enable)
+		return;
+
+	/* input */
+	regmap_update_bits(afe->regmap, AFE_I2S_CON2, 0x1, enable);
+
+	/* output */
+	regmap_update_bits(afe->regmap, AFE_I2S_CON1, 0x1, enable);
+}
+
+static int mt8173_afe_dais_enable_clks(struct mtk_base_afe *afe,
+				       struct clk *m_ck, struct clk *b_ck)
+{
+	int ret;
+
+	if (m_ck) {
+		ret = clk_prepare_enable(m_ck);
+		if (ret) {
+			dev_err(afe->dev, "Failed to enable m_ck\n");
+			return ret;
+		}
+	}
+
+	if (b_ck) {
+		ret = clk_prepare_enable(b_ck);
+		if (ret) {
+			dev_err(afe->dev, "Failed to enable b_ck\n");
+			return ret;
+		}
+	}
+	return 0;
+}
+
+static int mt8173_afe_dais_set_clks(struct mtk_base_afe *afe,
+				    struct clk *m_ck, unsigned int mck_rate,
+				    struct clk *b_ck, unsigned int bck_rate)
+{
+	int ret;
+
+	if (m_ck) {
+		ret = clk_set_rate(m_ck, mck_rate);
+		if (ret) {
+			dev_err(afe->dev, "Failed to set m_ck rate\n");
+			return ret;
+		}
+	}
+
+	if (b_ck) {
+		ret = clk_set_rate(b_ck, bck_rate);
+		if (ret) {
+			dev_err(afe->dev, "Failed to set b_ck rate\n");
+			return ret;
+		}
+	}
+	return 0;
+}
+
+static void mt8173_afe_dais_disable_clks(struct mtk_base_afe *afe,
+					 struct clk *m_ck, struct clk *b_ck)
+{
+	if (m_ck)
+		clk_disable_unprepare(m_ck);
+	if (b_ck)
+		clk_disable_unprepare(b_ck);
+}
+
+static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream,
+				  struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+
+	if (dai->active)
+		return 0;
+
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
+			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0);
+	return 0;
+}
+
+static void mt8173_afe_i2s_shutdown(struct snd_pcm_substream *substream,
+				    struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+
+	if (dai->active)
+		return;
+
+	mt8173_afe_set_i2s_enable(afe, false);
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
+			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M,
+			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M);
+}
+
+static int mt8173_afe_i2s_prepare(struct snd_pcm_substream *substream,
+				  struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_pcm_runtime * const runtime = substream->runtime;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+	int ret;
+
+	mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S1_M],
+				 runtime->rate * 256, NULL, 0);
+	mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S2_M],
+				 runtime->rate * 256, NULL, 0);
+	/* config I2S */
+	ret = mt8173_afe_set_i2s(afe, substream->runtime->rate);
+	if (ret)
+		return ret;
+
+	mt8173_afe_set_i2s_enable(afe, true);
+
+	return 0;
+}
+
+static int mt8173_afe_hdmi_startup(struct snd_pcm_substream *substream,
+				   struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+
+	if (dai->active)
+		return 0;
+
+	mt8173_afe_dais_enable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
+				    afe_priv->clocks[MT8173_CLK_I2S3_B]);
+	return 0;
+}
+
+static void mt8173_afe_hdmi_shutdown(struct snd_pcm_substream *substream,
+				     struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+
+	if (dai->active)
+		return;
+
+	mt8173_afe_dais_disable_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
+				     afe_priv->clocks[MT8173_CLK_I2S3_B]);
+}
+
+static int mt8173_afe_hdmi_prepare(struct snd_pcm_substream *substream,
+				   struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_pcm_runtime * const runtime = substream->runtime;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+
+	unsigned int val;
+
+	mt8173_afe_dais_set_clks(afe, afe_priv->clocks[MT8173_CLK_I2S3_M],
+				 runtime->rate * 128,
+				 afe_priv->clocks[MT8173_CLK_I2S3_B],
+				 runtime->rate * runtime->channels * 32);
+
+	val = AFE_TDM_CON1_BCK_INV |
+	      AFE_TDM_CON1_LRCK_INV |
+	      AFE_TDM_CON1_1_BCK_DELAY |
+	      AFE_TDM_CON1_MSB_ALIGNED | /* I2S mode */
+	      AFE_TDM_CON1_WLEN_32BIT |
+	      AFE_TDM_CON1_32_BCK_CYCLES |
+	      AFE_TDM_CON1_LRCK_WIDTH(32);
+	regmap_update_bits(afe->regmap, AFE_TDM_CON1, ~AFE_TDM_CON1_EN, val);
+
+	/* set tdm2 config */
+	switch (runtime->channels) {
+	case 1:
+	case 2:
+		val = AFE_TDM_CH_START_O30_O31;
+		val |= (AFE_TDM_CH_ZERO << 4);
+		val |= (AFE_TDM_CH_ZERO << 8);
+		val |= (AFE_TDM_CH_ZERO << 12);
+		break;
+	case 3:
+	case 4:
+		val = AFE_TDM_CH_START_O30_O31;
+		val |= (AFE_TDM_CH_START_O32_O33 << 4);
+		val |= (AFE_TDM_CH_ZERO << 8);
+		val |= (AFE_TDM_CH_ZERO << 12);
+		break;
+	case 5:
+	case 6:
+		val = AFE_TDM_CH_START_O30_O31;
+		val |= (AFE_TDM_CH_START_O32_O33 << 4);
+		val |= (AFE_TDM_CH_START_O34_O35 << 8);
+		val |= (AFE_TDM_CH_ZERO << 12);
+		break;
+	case 7:
+	case 8:
+		val = AFE_TDM_CH_START_O30_O31;
+		val |= (AFE_TDM_CH_START_O32_O33 << 4);
+		val |= (AFE_TDM_CH_START_O34_O35 << 8);
+		val |= (AFE_TDM_CH_START_O36_O37 << 12);
+		break;
+	default:
+		val = 0;
+	}
+	regmap_update_bits(afe->regmap, AFE_TDM_CON2, 0x0000ffff, val);
+
+	regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,
+			   0x000000f0, runtime->channels << 4);
+	return 0;
+}
+
+static int mt8173_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd,
+				   struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+
+	dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
+				   AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF, 0);
+
+		/* set connections:  O30~O37: L/R/LS/RS/C/LFE/CH7/CH8 */
+		regmap_write(afe->regmap, AFE_HDMI_CONN0,
+				 AFE_HDMI_CONN0_O30_I30 |
+				 AFE_HDMI_CONN0_O31_I31 |
+				 AFE_HDMI_CONN0_O32_I34 |
+				 AFE_HDMI_CONN0_O33_I35 |
+				 AFE_HDMI_CONN0_O34_I32 |
+				 AFE_HDMI_CONN0_O35_I33 |
+				 AFE_HDMI_CONN0_O36_I36 |
+				 AFE_HDMI_CONN0_O37_I37);
+
+		/* enable Out control */
+		regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0x1);
+
+		/* enable tdm */
+		regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0x1);
+
+		return 0;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		/* disable tdm */
+		regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0);
+
+		/* disable Out control */
+		regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0);
+
+		regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
+				   AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF,
+				   AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF);
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int mt8173_memif_fs(struct snd_pcm_substream *substream,
+			   unsigned int rate)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
+	int fs;
+
+	if (memif->data->id == MT8173_AFE_MEMIF_DAI ||
+	    memif->data->id == MT8173_AFE_MEMIF_MOD_DAI) {
+		switch (rate) {
+		case 8000:
+			fs = 0;
+			break;
+		case 16000:
+			fs = 1;
+			break;
+		case 32000:
+			fs = 2;
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else {
+		fs = mt8173_afe_i2s_fs(rate);
+	}
+	return fs;
+}
+
+static int mt8173_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
+{
+	return mt8173_afe_i2s_fs(rate);
+}
+
+/* BE DAIs */
+static const struct snd_soc_dai_ops mt8173_afe_i2s_ops = {
+	.startup	= mt8173_afe_i2s_startup,
+	.shutdown	= mt8173_afe_i2s_shutdown,
+	.prepare	= mt8173_afe_i2s_prepare,
+};
+
+static const struct snd_soc_dai_ops mt8173_afe_hdmi_ops = {
+	.startup	= mt8173_afe_hdmi_startup,
+	.shutdown	= mt8173_afe_hdmi_shutdown,
+	.prepare	= mt8173_afe_hdmi_prepare,
+	.trigger	= mt8173_afe_hdmi_trigger,
+};
+
+static struct snd_soc_dai_driver mt8173_afe_pcm_dais[] = {
+	/* FE DAIs: memory intefaces to CPU */
+	{
+		.name = "DL1", /* downlink 1 */
+		.id = MT8173_AFE_MEMIF_DL1,
+		.suspend = mtk_afe_dai_suspend,
+		.resume = mtk_afe_dai_resume,
+		.playback = {
+			.stream_name = "DL1",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.ops = &mtk_afe_fe_ops,
+	}, {
+		.name = "VUL", /* voice uplink */
+		.id = MT8173_AFE_MEMIF_VUL,
+		.suspend = mtk_afe_dai_suspend,
+		.resume = mtk_afe_dai_resume,
+		.capture = {
+			.stream_name = "VUL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.ops = &mtk_afe_fe_ops,
+	}, {
+	/* BE DAIs */
+		.name = "I2S",
+		.id = MT8173_AFE_IO_I2S,
+		.playback = {
+			.stream_name = "I2S Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.capture = {
+			.stream_name = "I2S Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.ops = &mt8173_afe_i2s_ops,
+		.symmetric_rates = 1,
+	},
+};
+
+static struct snd_soc_dai_driver mt8173_afe_hdmi_dais[] = {
+	/* FE DAIs */
+	{
+		.name = "HDMI",
+		.id = MT8173_AFE_MEMIF_HDMI,
+		.suspend = mtk_afe_dai_suspend,
+		.resume = mtk_afe_dai_resume,
+		.playback = {
+			.stream_name = "HDMI",
+			.channels_min = 2,
+			.channels_max = 8,
+			.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+				SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+				SNDRV_PCM_RATE_192000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.ops = &mtk_afe_fe_ops,
+	}, {
+	/* BE DAIs */
+		.name = "HDMIO",
+		.id = MT8173_AFE_IO_HDMI,
+		.playback = {
+			.stream_name = "HDMIO Playback",
+			.channels_min = 2,
+			.channels_max = 8,
+			.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+				SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+				SNDRV_PCM_RATE_192000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.ops = &mt8173_afe_hdmi_ops,
+	},
+};
+
+static const struct snd_kcontrol_new mt8173_afe_o03_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I05 Switch", AFE_CONN1, 21, 1, 0),
+};
+
+static const struct snd_kcontrol_new mt8173_afe_o04_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I06 Switch", AFE_CONN2, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new mt8173_afe_o09_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0),
+};
+
+static const struct snd_kcontrol_new mt8173_afe_o10_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0),
+	SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mt8173_afe_pcm_widgets[] = {
+	/* inter-connections */
+	SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I05", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I06", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0,
+			   mt8173_afe_o03_mix, ARRAY_SIZE(mt8173_afe_o03_mix)),
+	SND_SOC_DAPM_MIXER("O04", SND_SOC_NOPM, 0, 0,
+			   mt8173_afe_o04_mix, ARRAY_SIZE(mt8173_afe_o04_mix)),
+	SND_SOC_DAPM_MIXER("O09", SND_SOC_NOPM, 0, 0,
+			   mt8173_afe_o09_mix, ARRAY_SIZE(mt8173_afe_o09_mix)),
+	SND_SOC_DAPM_MIXER("O10", SND_SOC_NOPM, 0, 0,
+			   mt8173_afe_o10_mix, ARRAY_SIZE(mt8173_afe_o10_mix)),
+};
+
+static const struct snd_soc_dapm_route mt8173_afe_pcm_routes[] = {
+	{"I05", NULL, "DL1"},
+	{"I06", NULL, "DL1"},
+	{"I2S Playback", NULL, "O03"},
+	{"I2S Playback", NULL, "O04"},
+	{"VUL", NULL, "O09"},
+	{"VUL", NULL, "O10"},
+	{"I03", NULL, "I2S Capture"},
+	{"I04", NULL, "I2S Capture"},
+	{"I17", NULL, "I2S Capture"},
+	{"I18", NULL, "I2S Capture"},
+	{ "O03", "I05 Switch", "I05" },
+	{ "O04", "I06 Switch", "I06" },
+	{ "O09", "I17 Switch", "I17" },
+	{ "O09", "I03 Switch", "I03" },
+	{ "O10", "I18 Switch", "I18" },
+	{ "O10", "I04 Switch", "I04" },
+};
+
+static const struct snd_soc_dapm_route mt8173_afe_hdmi_routes[] = {
+	{"HDMIO Playback", NULL, "HDMI"},
+};
+
+static const struct snd_soc_component_driver mt8173_afe_pcm_dai_component = {
+	.name = "mt8173-afe-pcm-dai",
+	.dapm_widgets = mt8173_afe_pcm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(mt8173_afe_pcm_widgets),
+	.dapm_routes = mt8173_afe_pcm_routes,
+	.num_dapm_routes = ARRAY_SIZE(mt8173_afe_pcm_routes),
+};
+
+static const struct snd_soc_component_driver mt8173_afe_hdmi_dai_component = {
+	.name = "mt8173-afe-hdmi-dai",
+	.dapm_routes = mt8173_afe_hdmi_routes,
+	.num_dapm_routes = ARRAY_SIZE(mt8173_afe_hdmi_routes),
+};
+
+static const char *aud_clks[MT8173_CLK_NUM] = {
+	[MT8173_CLK_INFRASYS_AUD] = "infra_sys_audio_clk",
+	[MT8173_CLK_TOP_PDN_AUD] = "top_pdn_audio",
+	[MT8173_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus",
+	[MT8173_CLK_I2S0_M] =  "i2s0_m",
+	[MT8173_CLK_I2S1_M] =  "i2s1_m",
+	[MT8173_CLK_I2S2_M] =  "i2s2_m",
+	[MT8173_CLK_I2S3_M] =  "i2s3_m",
+	[MT8173_CLK_I2S3_B] =  "i2s3_b",
+	[MT8173_CLK_BCK0] =  "bck0",
+	[MT8173_CLK_BCK1] =  "bck1",
+};
+
+static const struct mtk_base_memif_data memif_data[MT8173_AFE_MEMIF_NUM] = {
+	{
+		.name = "DL1",
+		.id = MT8173_AFE_MEMIF_DL1,
+		.reg_ofs_base = AFE_DL1_BASE,
+		.reg_ofs_cur = AFE_DL1_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = 0,
+		.fs_maskbit = 0xf,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = 21,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 1,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 0,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "DL2",
+		.id = MT8173_AFE_MEMIF_DL2,
+		.reg_ofs_base = AFE_DL2_BASE,
+		.reg_ofs_cur = AFE_DL2_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = 4,
+		.fs_maskbit = 0xf,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = 22,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 2,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 1,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "VUL",
+		.id = MT8173_AFE_MEMIF_VUL,
+		.reg_ofs_base = AFE_VUL_BASE,
+		.reg_ofs_cur = AFE_VUL_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = 16,
+		.fs_maskbit = 0xf,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = 27,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 3,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 6,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "DAI",
+		.id = MT8173_AFE_MEMIF_DAI,
+		.reg_ofs_base = AFE_DAI_BASE,
+		.reg_ofs_cur = AFE_DAI_CUR,
+		.fs_reg = AFE_DAC_CON0,
+		.fs_shift = 24,
+		.fs_maskbit = 0x3,
+		.mono_reg = -1,
+		.mono_shift = -1,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 4,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 5,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "AWB",
+		.id = MT8173_AFE_MEMIF_AWB,
+		.reg_ofs_base = AFE_AWB_BASE,
+		.reg_ofs_cur = AFE_AWB_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = 12,
+		.fs_maskbit = 0xf,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = 24,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 6,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 3,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "MOD_DAI",
+		.id = MT8173_AFE_MEMIF_MOD_DAI,
+		.reg_ofs_base = AFE_MOD_PCM_BASE,
+		.reg_ofs_cur = AFE_MOD_PCM_CUR,
+		.fs_reg = AFE_DAC_CON1,
+		.fs_shift = 30,
+		.fs_maskbit = 0x3,
+		.mono_reg = AFE_DAC_CON1,
+		.mono_shift = 30,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = AFE_DAC_CON0,
+		.enable_shift = 7,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 4,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	}, {
+		.name = "HDMI",
+		.id = MT8173_AFE_MEMIF_HDMI,
+		.reg_ofs_base = AFE_HDMI_OUT_BASE,
+		.reg_ofs_cur = AFE_HDMI_OUT_CUR,
+		.fs_reg = -1,
+		.fs_shift = -1,
+		.fs_maskbit = -1,
+		.mono_reg = -1,
+		.mono_shift = -1,
+		.hd_reg = -1,
+		.hd_shift = -1,
+		.enable_reg = -1,
+		.enable_shift = -1,
+		.msb_reg = AFE_MEMIF_MSB,
+		.msb_shift = 8,
+		.agent_disable_reg = -1,
+		.agent_disable_shift = -1,
+	},
+};
+
+static const struct mtk_base_irq_data irq_data[MT8173_AFE_IRQ_NUM] = {
+	{
+		.id = MT8173_AFE_IRQ_DL1,
+		.irq_cnt_reg = AFE_IRQ_CNT1,
+		.irq_cnt_shift = 0,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 0,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 4,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 0,
+	}, {
+		.id = MT8173_AFE_IRQ_DL2,
+		.irq_cnt_reg = AFE_IRQ_CNT1,
+		.irq_cnt_shift = 20,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 2,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 16,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 2,
+
+	}, {
+		.id = MT8173_AFE_IRQ_VUL,
+		.irq_cnt_reg = AFE_IRQ_CNT2,
+		.irq_cnt_shift = 0,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 1,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 8,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 1,
+	}, {
+		.id = MT8173_AFE_IRQ_DAI,
+		.irq_cnt_reg = AFE_IRQ_CNT2,
+		.irq_cnt_shift = 20,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 3,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 20,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 3,
+	}, {
+		.id = MT8173_AFE_IRQ_AWB,
+		.irq_cnt_reg = AFE_IRQ_CNT7,
+		.irq_cnt_shift = 0,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 14,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 24,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 6,
+	}, {
+		.id = MT8173_AFE_IRQ_DAI,
+		.irq_cnt_reg = AFE_IRQ_CNT2,
+		.irq_cnt_shift = 20,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 3,
+		.irq_fs_reg = AFE_IRQ_MCU_CON,
+		.irq_fs_shift = 20,
+		.irq_fs_maskbit = 0xf,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 3,
+	}, {
+		.id = MT8173_AFE_IRQ_HDMI,
+		.irq_cnt_reg = AFE_IRQ_CNT5,
+		.irq_cnt_shift = 0,
+		.irq_cnt_maskbit = 0x3ffff,
+		.irq_en_reg = AFE_IRQ_MCU_CON,
+		.irq_en_shift = 12,
+		.irq_fs_reg = -1,
+		.irq_fs_shift = -1,
+		.irq_fs_maskbit = -1,
+		.irq_clr_reg = AFE_IRQ_CLR,
+		.irq_clr_shift = 4,
+	},
+};
+
+static const struct regmap_config mt8173_afe_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = AFE_ADDA2_TOP_CON0,
+	.cache_type = REGCACHE_NONE,
+};
+
+static irqreturn_t mt8173_afe_irq_handler(int irq, void *dev_id)
+{
+	struct mtk_base_afe *afe = dev_id;
+	unsigned int reg_value;
+	int i, ret;
+
+	ret = regmap_read(afe->regmap, AFE_IRQ_STATUS, &reg_value);
+	if (ret) {
+		dev_err(afe->dev, "%s irq status err\n", __func__);
+		reg_value = AFE_IRQ_STATUS_BITS;
+		goto err_irq;
+	}
+
+	for (i = 0; i < MT8173_AFE_MEMIF_NUM; i++) {
+		struct mtk_base_afe_memif *memif = &afe->memif[i];
+		struct mtk_base_afe_irq *irq;
+
+		if (memif->irq_usage < 0)
+			continue;
+
+		irq = &afe->irqs[memif->irq_usage];
+
+		if (!(reg_value & (1 << irq->irq_data->irq_clr_shift)))
+			continue;
+
+		snd_pcm_period_elapsed(memif->substream);
+	}
+
+err_irq:
+	/* clear irq */
+	regmap_write(afe->regmap, AFE_IRQ_CLR,
+		     reg_value & AFE_IRQ_STATUS_BITS);
+
+	return IRQ_HANDLED;
+}
+
+static int mt8173_afe_runtime_suspend(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+
+	/* disable AFE */
+	regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0);
+
+	/* disable AFE clk */
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
+			   AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE);
+
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK1]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
+	return 0;
+}
+
+static int mt8173_afe_runtime_resume(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+	int ret;
+
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
+	if (ret)
+		goto err_infra;
+
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
+	if (ret)
+		goto err_top_aud_bus;
+
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK0]);
+	if (ret)
+		goto err_top_aud;
+
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_BCK1]);
+	if (ret)
+		goto err_bck0;
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S1_M]);
+	if (ret)
+		goto err_i2s1_m;
+	ret = clk_prepare_enable(afe_priv->clocks[MT8173_CLK_I2S2_M]);
+	if (ret)
+		goto err_i2s2_m;
+
+	/* enable AFE clk */
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, 0);
+
+	/* set O3/O4 16bits */
+	regmap_update_bits(afe->regmap, AFE_CONN_24BIT,
+			   AFE_CONN_24BIT_O03 | AFE_CONN_24BIT_O04, 0);
+
+	/* unmask all IRQs */
+	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_EN, 0xff, 0xff);
+
+	/* enable AFE */
+	regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1);
+	return 0;
+
+err_i2s1_m:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S1_M]);
+err_i2s2_m:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_I2S2_M]);
+err_bck0:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_BCK0]);
+err_top_aud:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD]);
+err_top_aud_bus:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_TOP_PDN_AUD_BUS]);
+err_infra:
+	clk_disable_unprepare(afe_priv->clocks[MT8173_CLK_INFRASYS_AUD]);
+	return ret;
+}
+
+static int mt8173_afe_init_audio_clk(struct mtk_base_afe *afe)
+{
+	size_t i;
+	struct mt8173_afe_private *afe_priv = afe->platform_priv;
+
+	for (i = 0; i < ARRAY_SIZE(aud_clks); i++) {
+		afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]);
+		if (IS_ERR(afe_priv->clocks[i])) {
+			dev_err(afe->dev, "%s devm_clk_get %s fail\n",
+				__func__, aud_clks[i]);
+			return PTR_ERR(afe_priv->clocks[i]);
+		}
+	}
+	clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK0], 22579200); /* 22M */
+	clk_set_rate(afe_priv->clocks[MT8173_CLK_BCK1], 24576000); /* 24M */
+	return 0;
+}
+
+static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
+{
+	int ret, i;
+	unsigned int irq_id;
+	struct mtk_base_afe *afe;
+	struct mt8173_afe_private *afe_priv;
+	struct resource *res;
+
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
+	if (ret)
+		return 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);
+	afe_priv = afe->platform_priv;
+	if (!afe_priv)
+		return -ENOMEM;
+
+	afe->dev = &pdev->dev;
+
+	irq_id = platform_get_irq(pdev, 0);
+	if (!irq_id) {
+		dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name);
+		return -ENXIO;
+	}
+	ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
+			       0, "Afe_ISR_Handle", (void *)afe);
+	if (ret) {
+		dev_err(afe->dev, "could not request_irq\n");
+		return ret;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(afe->base_addr))
+		return PTR_ERR(afe->base_addr);
+
+	afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
+		&mt8173_afe_regmap_config);
+	if (IS_ERR(afe->regmap))
+		return PTR_ERR(afe->regmap);
+
+	/* initial audio related clock */
+	ret = mt8173_afe_init_audio_clk(afe);
+	if (ret) {
+		dev_err(afe->dev, "mt8173_afe_init_audio_clk fail\n");
+		return ret;
+	}
+
+	/* memif % irq initialize*/
+	afe->memif_size = MT8173_AFE_MEMIF_NUM;
+	afe->memif = devm_kcalloc(afe->dev, afe->memif_size,
+				  sizeof(*afe->memif), GFP_KERNEL);
+	if (!afe->memif)
+		return -ENOMEM;
+
+	afe->irqs_size = MT8173_AFE_IRQ_NUM;
+	afe->irqs = devm_kcalloc(afe->dev, afe->irqs_size,
+				 sizeof(*afe->irqs), GFP_KERNEL);
+	if (!afe->irqs)
+		return -ENOMEM;
+
+	for (i = 0; i < afe->irqs_size; i++) {
+		afe->memif[i].data = &memif_data[i];
+		afe->irqs[i].irq_data = &irq_data[i];
+		afe->irqs[i].irq_occupyed = true;
+		afe->memif[i].irq_usage = i;
+		afe->memif[i].const_irq = 1;
+	}
+
+	afe->mtk_afe_hardware = &mt8173_afe_hardware;
+	afe->memif_fs = mt8173_memif_fs;
+	afe->irq_fs = mt8173_irq_fs;
+
+	platform_set_drvdata(pdev, afe);
+
+	pm_runtime_enable(&pdev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = mt8173_afe_runtime_resume(&pdev->dev);
+		if (ret)
+			goto err_pm_disable;
+	}
+
+	afe->reg_back_up_list = mt8173_afe_backup_list;
+	afe->reg_back_up_list_num = ARRAY_SIZE(mt8173_afe_backup_list);
+	afe->runtime_resume = mt8173_afe_runtime_resume;
+	afe->runtime_suspend = mt8173_afe_runtime_suspend;
+
+	ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform);
+	if (ret)
+		goto err_pm_disable;
+
+	ret = snd_soc_register_component(&pdev->dev,
+					 &mt8173_afe_pcm_dai_component,
+					 mt8173_afe_pcm_dais,
+					 ARRAY_SIZE(mt8173_afe_pcm_dais));
+	if (ret)
+		goto err_platform;
+
+	ret = snd_soc_register_component(&pdev->dev,
+					 &mt8173_afe_hdmi_dai_component,
+					 mt8173_afe_hdmi_dais,
+					 ARRAY_SIZE(mt8173_afe_hdmi_dais));
+	if (ret)
+		goto err_comp;
+
+	dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
+	return 0;
+
+err_comp:
+	snd_soc_unregister_component(&pdev->dev);
+err_platform:
+	snd_soc_unregister_platform(&pdev->dev);
+err_pm_disable:
+	pm_runtime_disable(&pdev->dev);
+	return ret;
+}
+
+static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		mt8173_afe_runtime_suspend(&pdev->dev);
+	snd_soc_unregister_component(&pdev->dev);
+	snd_soc_unregister_platform(&pdev->dev);
+	return 0;
+}
+
+static const struct of_device_id mt8173_afe_pcm_dt_match[] = {
+	{ .compatible = "mediatek,mt8173-afe-pcm", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, mt8173_afe_pcm_dt_match);
+
+static const struct dev_pm_ops mt8173_afe_pm_ops = {
+	SET_RUNTIME_PM_OPS(mt8173_afe_runtime_suspend,
+			   mt8173_afe_runtime_resume, NULL)
+};
+
+static struct platform_driver mt8173_afe_pcm_driver = {
+	.driver = {
+		   .name = "mt8173-afe-pcm",
+		   .of_match_table = mt8173_afe_pcm_dt_match,
+		   .pm = &mt8173_afe_pm_ops,
+	},
+	.probe = mt8173_afe_pcm_dev_probe,
+	.remove = mt8173_afe_pcm_dev_remove,
+};
+
+module_platform_driver(mt8173_afe_pcm_driver);
+
+MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver");
+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
+MODULE_LICENSE("GPL v2");