9 files changed, 395 insertions, 12 deletions

diff --git a/sound/soc/mediatek/common/Makefile b/sound/soc/mediatek/common/Makefile
index 42e636c10c1e..c90d276cf4ed 100644
--- a/sound/soc/mediatek/common/Makefile
+++ b/sound/soc/mediatek/common/Makefile
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 # platform driver
-snd-soc-mtk-common-objs := mtk-afe-platform-driver.o mtk-afe-fe-dai.o mtk-dsp-sof-common.o mtk-soundcard-driver.o
+snd-soc-mtk-common-y := mtk-afe-platform-driver.o mtk-afe-fe-dai.o mtk-dsp-sof-common.o mtk-soundcard-driver.o
+snd-soc-mtk-common-y += mtk-dai-adda-common.o
+
 obj-$(CONFIG_SND_SOC_MEDIATEK) += snd-soc-mtk-common.o
 
 obj-$(CONFIG_SND_SOC_MTK_BTCVSD) += mtk-btcvsd.o
diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
index 32edcb6d5219..9b72b2a7ae91 100644
--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -126,10 +126,28 @@ int mtk_afe_pcm_new(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL_GPL(mtk_afe_pcm_new);
 
+static int mtk_afe_component_probe(struct snd_soc_component *component)
+{
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	snd_soc_component_init_regmap(component, afe->regmap);
+
+	/* If the list was never initialized there are no sub-DAIs */
+	if (afe->sub_dais.next && afe->sub_dais.prev) {
+		ret = mtk_afe_add_sub_dai_control(component);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
 const struct snd_soc_component_driver mtk_afe_pcm_platform = {
 	.name		= AFE_PCM_NAME,
 	.pointer	= mtk_afe_pcm_pointer,
 	.pcm_construct	= mtk_afe_pcm_new,
+	.probe		= mtk_afe_component_probe,
 };
 EXPORT_SYMBOL_GPL(mtk_afe_pcm_platform);
 
diff --git a/sound/soc/mediatek/common/mtk-dai-adda-common.c b/sound/soc/mediatek/common/mtk-dai-adda-common.c
new file mode 100644
index 000000000000..4dc1412489d6
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-dai-adda-common.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI ADDA Common
+ *
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2024 Collabora Ltd.
+ *         AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+
+#include "mtk-base-afe.h"
+#include "mtk-dai-adda-common.h"
+
+unsigned int mtk_adda_dl_rate_transform(struct mtk_base_afe *afe, u32 rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_DL_RATE_8K;
+	case 11025:
+		return MTK_AFE_ADDA_DL_RATE_11K;
+	case 12000:
+		return MTK_AFE_ADDA_DL_RATE_12K;
+	case 16000:
+		return MTK_AFE_ADDA_DL_RATE_16K;
+	case 22050:
+		return MTK_AFE_ADDA_DL_RATE_22K;
+	case 24000:
+		return MTK_AFE_ADDA_DL_RATE_24K;
+	case 32000:
+		return MTK_AFE_ADDA_DL_RATE_32K;
+	case 44100:
+		return MTK_AFE_ADDA_DL_RATE_44K;
+	case 48000:
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_DL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_DL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	}
+}
+EXPORT_SYMBOL_GPL(mtk_adda_dl_rate_transform);
+
+unsigned int mtk_adda_ul_rate_transform(struct mtk_base_afe *afe, u32 rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_UL_RATE_8K;
+	case 16000:
+		return MTK_AFE_ADDA_UL_RATE_16K;
+	case 32000:
+		return MTK_AFE_ADDA_UL_RATE_32K;
+	case 48000:
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_UL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_UL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	}
+}
+EXPORT_SYMBOL_GPL(mtk_adda_ul_rate_transform);
diff --git a/sound/soc/mediatek/common/mtk-dai-adda-common.h b/sound/soc/mediatek/common/mtk-dai-adda-common.h
new file mode 100644
index 000000000000..208b0dd89f57
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-dai-adda-common.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2024 Collabora Ltd.
+ *         AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#ifndef _MTK_DAI_ADDA_COMMON_H_
+#define _MTK_DAI_ADDA_COMMON_H_
+
+struct mtk_base_afe;
+
+enum adda_input_mode_rate {
+	MTK_AFE_ADDA_DL_RATE_8K = 0,
+	MTK_AFE_ADDA_DL_RATE_11K = 1,
+	MTK_AFE_ADDA_DL_RATE_12K = 2,
+	MTK_AFE_ADDA_DL_RATE_16K = 3,
+	MTK_AFE_ADDA_DL_RATE_22K = 4,
+	MTK_AFE_ADDA_DL_RATE_24K = 5,
+	MTK_AFE_ADDA_DL_RATE_32K = 6,
+	MTK_AFE_ADDA_DL_RATE_44K = 7,
+	MTK_AFE_ADDA_DL_RATE_48K = 8,
+	MTK_AFE_ADDA_DL_RATE_96K = 9,
+	MTK_AFE_ADDA_DL_RATE_192K = 10,
+};
+
+enum adda_voice_mode_rate {
+	MTK_AFE_ADDA_UL_RATE_8K = 0,
+	MTK_AFE_ADDA_UL_RATE_16K = 1,
+	MTK_AFE_ADDA_UL_RATE_32K = 2,
+	MTK_AFE_ADDA_UL_RATE_48K = 3,
+	MTK_AFE_ADDA_UL_RATE_96K = 4,
+	MTK_AFE_ADDA_UL_RATE_192K = 5,
+	MTK_AFE_ADDA_UL_RATE_48K_HD = 6,
+};
+
+enum adda_rxif_delay_data {
+	DELAY_DATA_MISO1 = 0,
+	DELAY_DATA_MISO0 = 1,
+	DELAY_DATA_MISO2 = 1,
+};
+
+unsigned int mtk_adda_dl_rate_transform(struct mtk_base_afe *afe, u32 rate);
+unsigned int mtk_adda_ul_rate_transform(struct mtk_base_afe *afe, u32 rate);
+#endif
diff --git a/sound/soc/mediatek/common/mtk-dsp-sof-common.c b/sound/soc/mediatek/common/mtk-dsp-sof-common.c
index 7ec8965a70c0..bca758dca2c9 100644
--- a/sound/soc/mediatek/common/mtk-dsp-sof-common.c
+++ b/sound/soc/mediatek/common/mtk-dsp-sof-common.c
@@ -15,7 +15,7 @@ int mtk_sof_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
 {
 	struct snd_soc_card *card = rtd->card;
 	struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card);
-	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	const struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
 	int i, j, ret = 0;
 
 	for (i = 0; i < sof_priv->num_streams; i++) {
@@ -55,7 +55,6 @@ int mtk_sof_card_probe(struct snd_soc_card *card)
 	int i;
 	struct snd_soc_dai_link *dai_link;
 	struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card);
-	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
 
 	/* Set stream_name to help sof bind widgets */
 	for_each_card_prelinks(card, i, dai_link) {
@@ -63,7 +62,7 @@ int mtk_sof_card_probe(struct snd_soc_card *card)
 			dai_link->stream_name = dai_link->name;
 	}
 
-	INIT_LIST_HEAD(&sof_priv->dai_link_list);
+	INIT_LIST_HEAD(&soc_card_data->sof_dai_link_list);
 
 	return 0;
 }
@@ -73,7 +72,7 @@ static struct snd_soc_pcm_runtime *mtk_sof_find_tplg_be(struct snd_soc_pcm_runti
 {
 	struct snd_soc_card *card = rtd->card;
 	struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card);
-	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	const struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
 	struct snd_soc_pcm_runtime *fe;
 	struct snd_soc_pcm_runtime *be;
 	struct snd_soc_dpcm *dpcm;
@@ -113,7 +112,7 @@ static int mtk_sof_check_tplg_be_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
 {
 	struct snd_soc_card *card = rtd->card;
 	struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card);
-	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	const struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
 	struct snd_soc_pcm_runtime *sof_be;
 	struct mtk_dai_link *dai_link;
 	int ret = 0;
@@ -125,7 +124,7 @@ static int mtk_sof_check_tplg_be_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
 		else if (sof_be->dai_link->be_hw_params_fixup)
 			ret = sof_be->dai_link->be_hw_params_fixup(sof_be, params);
 	} else {
-		list_for_each_entry(dai_link, &sof_priv->dai_link_list, list) {
+		list_for_each_entry(dai_link, &soc_card_data->sof_dai_link_list, list) {
 			if (strcmp(dai_link->name, rtd->dai_link->name) == 0) {
 				if (dai_link->be_hw_params_fixup)
 					ret = dai_link->be_hw_params_fixup(rtd, params);
@@ -144,7 +143,7 @@ int mtk_sof_card_late_probe(struct snd_soc_card *card)
 	struct snd_soc_component *sof_comp = NULL;
 	struct mtk_soc_card_data *soc_card_data =
 		snd_soc_card_get_drvdata(card);
-	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	const struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
 	struct snd_soc_dai_link *dai_link;
 	struct mtk_dai_link *mtk_dai_link;
 	int i;
@@ -173,7 +172,7 @@ int mtk_sof_card_late_probe(struct snd_soc_card *card)
 			mtk_dai_link->be_hw_params_fixup = dai_link->be_hw_params_fixup;
 			mtk_dai_link->name = dai_link->name;
 
-			list_add(&mtk_dai_link->list, &sof_priv->dai_link_list);
+			list_add(&mtk_dai_link->list, &soc_card_data->sof_dai_link_list);
 		}
 
 		if (dai_link->no_pcm)
diff --git a/sound/soc/mediatek/common/mtk-dsp-sof-common.h b/sound/soc/mediatek/common/mtk-dsp-sof-common.h
index 4bc5e1c0c8ed..8784ee471132 100644
--- a/sound/soc/mediatek/common/mtk-dsp-sof-common.h
+++ b/sound/soc/mediatek/common/mtk-dsp-sof-common.h
@@ -30,7 +30,6 @@ struct mtk_sof_priv {
 	int num_streams;
 	int (*sof_dai_link_fixup)(struct snd_soc_pcm_runtime *rtd,
 				  struct snd_pcm_hw_params *params);
-	struct list_head dai_link_list;
 };
 
 int mtk_sof_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
diff --git a/sound/soc/mediatek/common/mtk-soc-card.h b/sound/soc/mediatek/common/mtk-soc-card.h
index eeda79370049..3f6e24dd22df 100644
--- a/sound/soc/mediatek/common/mtk-soc-card.h
+++ b/sound/soc/mediatek/common/mtk-soc-card.h
@@ -9,9 +9,14 @@
 #ifndef _MTK_SOC_CARD_H_
 #define _MTK_SOC_CARD_H_
 
+struct mtk_platform_card_data;
+struct mtk_sof_priv;
+
 struct mtk_soc_card_data {
+	const struct mtk_sof_priv *sof_priv;
+	struct list_head sof_dai_link_list;
+	struct mtk_platform_card_data *card_data;
 	void *mach_priv;
-	void *sof_priv;
 };
 
 #endif
diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.c b/sound/soc/mediatek/common/mtk-soundcard-driver.c
index a58e1e3674de..3bbf42c42805 100644
--- a/sound/soc/mediatek/common/mtk-soundcard-driver.c
+++ b/sound/soc/mediatek/common/mtk-soundcard-driver.c
@@ -10,6 +10,8 @@
 #include <linux/of.h>
 #include <sound/soc.h>
 
+#include "mtk-dsp-sof-common.h"
+#include "mtk-soc-card.h"
 #include "mtk-soundcard-driver.h"
 
 static int set_card_codec_info(struct snd_soc_card *card,
@@ -22,7 +24,11 @@ static int set_card_codec_info(struct snd_soc_card *card,
 
 	codec_node = of_get_child_by_name(sub_node, "codec");
 	if (!codec_node) {
-		dev_dbg(dev, "%s no specified codec\n", dai_link->name);
+		dev_dbg(dev, "%s no specified codec: setting dummy.\n", dai_link->name);
+
+		dai_link->codecs = &snd_soc_dummy_dlc;
+		dai_link->num_codecs = 1;
+		dai_link->dynamic = 1;
 		return 0;
 	}
 
@@ -132,3 +138,200 @@ void clean_card_reference(struct snd_soc_card *card)
 		snd_soc_of_put_dai_link_codecs(dai_link);
 }
 EXPORT_SYMBOL_GPL(clean_card_reference);
+
+int mtk_soundcard_startup(struct snd_pcm_substream *substream,
+			  enum mtk_pcm_constraint_type ctype)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct mtk_soc_card_data *soc_card = snd_soc_card_get_drvdata(rtd->card);
+	const struct mtk_pcm_constraints_data *mpc = &soc_card->card_data->pcm_constraints[ctype];
+	int ret;
+
+	if (unlikely(!mpc))
+		return -EINVAL;
+
+	ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
+					 SNDRV_PCM_HW_PARAM_RATE,
+					 mpc->rates);
+	if (ret < 0) {
+		dev_err(rtd->dev, "hw_constraint_list rate failed\n");
+		return ret;
+	}
+
+	ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
+					 SNDRV_PCM_HW_PARAM_CHANNELS,
+					 mpc->channels);
+	if (ret < 0) {
+		dev_err(rtd->dev, "hw_constraint_list channel failed\n");
+		return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_soundcard_startup);
+
+static int mtk_soundcard_playback_startup(struct snd_pcm_substream *substream)
+{
+	return mtk_soundcard_startup(substream, MTK_CONSTRAINT_PLAYBACK);
+}
+
+const struct snd_soc_ops mtk_soundcard_common_playback_ops = {
+	.startup = mtk_soundcard_playback_startup,
+};
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_playback_ops);
+
+static int mtk_soundcard_capture_startup(struct snd_pcm_substream *substream)
+{
+	return mtk_soundcard_startup(substream, MTK_CONSTRAINT_CAPTURE);
+}
+
+const struct snd_soc_ops mtk_soundcard_common_capture_ops = {
+	.startup = mtk_soundcard_capture_startup,
+};
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_capture_ops);
+
+int mtk_soundcard_common_probe(struct platform_device *pdev)
+{
+	struct device_node *platform_node, *adsp_node;
+	const struct mtk_soundcard_pdata *pdata;
+	struct mtk_soc_card_data *soc_card_data;
+	struct snd_soc_dai_link *orig_dai_link, *dai_link;
+	struct snd_soc_jack *jacks;
+	struct snd_soc_card *card;
+	int i, orig_num_links, ret;
+	bool needs_legacy_probe;
+
+	pdata = device_get_match_data(&pdev->dev);
+	if (!pdata)
+		return -EINVAL;
+
+	card = pdata->card_data->card;
+	card->dev = &pdev->dev;
+	orig_dai_link = card->dai_link;
+	orig_num_links = card->num_links;
+
+	ret = snd_soc_of_parse_card_name(card, "model");
+	if (ret)
+		return ret;
+
+	if (!card->name) {
+		if (!pdata->card_name)
+			return -EINVAL;
+
+		card->name = pdata->card_name;
+	}
+
+	needs_legacy_probe = !of_property_read_bool(pdev->dev.of_node, "audio-routing");
+	if (needs_legacy_probe) {
+		/*
+		 * If we have no .soc_probe() callback there's no way of using
+		 * any legacy probe mechanism, as that cannot not be generic.
+		 */
+		if (!pdata->soc_probe)
+			return -EINVAL;
+
+		dev_info_once(&pdev->dev, "audio-routing not found: using legacy probe\n");
+	} else {
+		ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
+		if (ret)
+			return ret;
+	}
+
+	soc_card_data = devm_kzalloc(&pdev->dev, sizeof(*soc_card_data), GFP_KERNEL);
+	if (!soc_card_data)
+		return -ENOMEM;
+
+	soc_card_data->card_data = pdata->card_data;
+
+	jacks = devm_kcalloc(card->dev, soc_card_data->card_data->num_jacks,
+			     sizeof(*jacks), GFP_KERNEL);
+	if (!jacks)
+		return -ENOMEM;
+
+	soc_card_data->card_data->jacks = jacks;
+
+	platform_node = of_parse_phandle(pdev->dev.of_node, "mediatek,platform", 0);
+	if (!platform_node)
+		return dev_err_probe(&pdev->dev, -EINVAL,
+				     "Property mediatek,platform missing or invalid\n");
+
+	/* Check if this SoC has an Audio DSP */
+	if (pdata->sof_priv)
+		adsp_node = of_parse_phandle(pdev->dev.of_node, "mediatek,adsp", 0);
+	else
+		adsp_node = NULL;
+
+	if (adsp_node) {
+		if (of_property_read_bool(pdev->dev.of_node, "mediatek,dai-link")) {
+			ret = mtk_sof_dailink_parse_of(card, pdev->dev.of_node,
+						       "mediatek,dai-link",
+						       card->dai_link, card->num_links);
+			if (ret) {
+				of_node_put(adsp_node);
+				of_node_put(platform_node);
+				return dev_err_probe(&pdev->dev, ret,
+						     "Cannot parse mediatek,dai-link\n");
+			}
+		}
+
+		soc_card_data->sof_priv = pdata->sof_priv;
+		card->probe = mtk_sof_card_probe;
+		card->late_probe = mtk_sof_card_late_probe;
+		if (!card->topology_shortname_created) {
+			snprintf(card->topology_shortname, 32, "sof-%s", card->name);
+			card->topology_shortname_created = true;
+		}
+		card->name = card->topology_shortname;
+	}
+
+	/*
+	 * Regardless of whether the ADSP is wanted and/or present in a machine
+	 * specific device tree or not and regardless of whether any AFE_SOF
+	 * link is present, we have to make sure that the platforms->of_node
+	 * is not NULL, and set to either ADSP (adsp_node) or AFE (platform_node).
+	 */
+	for_each_card_prelinks(card, i, dai_link) {
+		if (adsp_node && !strncmp(dai_link->name, "AFE_SOF", strlen("AFE_SOF")))
+			dai_link->platforms->of_node = adsp_node;
+		else if (!dai_link->platforms->name && !dai_link->platforms->of_node)
+			dai_link->platforms->of_node = platform_node;
+	}
+
+	if (!needs_legacy_probe) {
+		ret = parse_dai_link_info(card);
+		if (ret)
+			goto err_restore_dais;
+	} else {
+		if (adsp_node)
+			of_node_put(adsp_node);
+		of_node_put(platform_node);
+	}
+
+	if (pdata->soc_probe) {
+		ret = pdata->soc_probe(soc_card_data, needs_legacy_probe);
+		if (ret) {
+			if (!needs_legacy_probe)
+				clean_card_reference(card);
+			goto err_restore_dais;
+		}
+	}
+	snd_soc_card_set_drvdata(card, soc_card_data);
+
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+
+	if (!needs_legacy_probe)
+		clean_card_reference(card);
+
+	if (ret) {
+		dev_err_probe(&pdev->dev, ret, "Cannot register card\n");
+		goto err_restore_dais;
+	}
+
+	return 0;
+
+err_restore_dais:
+	card->dai_link = orig_dai_link;
+	card->num_links = orig_num_links;
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_probe);
diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.h b/sound/soc/mediatek/common/mtk-soundcard-driver.h
index d92cac1d7b72..f6c275b54025 100644
--- a/sound/soc/mediatek/common/mtk-soundcard-driver.h
+++ b/sound/soc/mediatek/common/mtk-soundcard-driver.h
@@ -9,6 +9,48 @@
 #ifndef _MTK_SOUNDCARD_DRIVER_H_
 #define _MTK_SOUNDCARD_DRIVER_H_
 
+struct mtk_sof_priv;
+struct mtk_soc_card_data;
+struct snd_pcm_hw_constraint_list;
+
+enum mtk_pcm_constraint_type {
+	MTK_CONSTRAINT_PLAYBACK,
+	MTK_CONSTRAINT_CAPTURE,
+	MTK_CONSTRAINT_HDMIDP,
+	MTK_CONSTRAINT_MAX
+};
+
+struct mtk_pcm_constraints_data {
+	const struct snd_pcm_hw_constraint_list *channels;
+	const struct snd_pcm_hw_constraint_list *rates;
+};
+
+struct mtk_platform_card_data {
+	struct snd_soc_card *card;
+	struct snd_soc_jack *jacks;
+	const struct mtk_pcm_constraints_data *pcm_constraints;
+	u8 num_jacks;
+	u8 num_pcm_constraints;
+	u8 flags;
+};
+
+struct mtk_soundcard_pdata {
+	const char *card_name;
+	struct mtk_platform_card_data *card_data;
+	const struct mtk_sof_priv *sof_priv;
+
+	int (*soc_probe)(struct mtk_soc_card_data *card_data, bool legacy);
+};
+
+/* Common playback/capture card startup ops */
+extern const struct snd_soc_ops mtk_soundcard_common_playback_ops;
+extern const struct snd_soc_ops mtk_soundcard_common_capture_ops;
+
+/* Exported for custom/extended soundcard startup ops */
+int mtk_soundcard_startup(struct snd_pcm_substream *substream,
+			  enum mtk_pcm_constraint_type ctype);
+
 int parse_dai_link_info(struct snd_soc_card *card);
 void clean_card_reference(struct snd_soc_card *card);
+int mtk_soundcard_common_probe(struct platform_device *pdev);
 #endif