diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 6737b1cbf6d69f..d0bcedd81effe5 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -880,8 +880,6 @@ int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
 		memcpy(&info->states[++last_index], &cx, sizeof(cx));
 	}
 
-	acpi_handle_info(handle, "Found %d idle states\n", last_index);
-
 	info->count = last_index;
 
 end:
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h
index 53470d6a28d659..e0e2700c619c84 100644
--- a/include/sound/intel-nhlt.h
+++ b/include/sound/intel-nhlt.h
@@ -58,7 +58,7 @@ struct nhlt_fmt_cfg {
 
 struct nhlt_fmt {
 	u8 fmt_count;
-	struct nhlt_fmt_cfg fmt_config[];
+	u8 fmt_config[];  /* flexible array of 'struct nhlt_fmt_cfg' */
 } __packed;
 
 struct nhlt_endpoint {
@@ -78,7 +78,7 @@ struct nhlt_endpoint {
 struct nhlt_acpi_table {
 	struct acpi_table_header header;
 	u8 endpoint_count;
-	struct nhlt_endpoint desc[];
+	u8 desc[]; /* flexible array of 'struct nhlt_endpoint' */
 } __packed;
 
 struct nhlt_resource_desc  {
diff --git a/include/sound/sof.h b/include/sound/sof.h
index 266e66318f9cfd..d3c41f87ac3191 100644
--- a/include/sound/sof.h
+++ b/include/sound/sof.h
@@ -21,6 +21,7 @@ struct snd_sof_dev;
 /**
  * enum sof_fw_state - DSP firmware state definitions
  * @SOF_FW_BOOT_NOT_STARTED:	firmware boot is not yet started
+ * @SOF_DSPLESS_MODE:		DSP is not used
  * @SOF_FW_BOOT_PREPARE:	preparing for boot (firmware loading for exaqmple)
  * @SOF_FW_BOOT_IN_PROGRESS:	firmware boot is in progress
  * @SOF_FW_BOOT_FAILED:		firmware boot failed
@@ -31,6 +32,7 @@ struct snd_sof_dev;
  */
 enum sof_fw_state {
 	SOF_FW_BOOT_NOT_STARTED = 0,
+	SOF_DSPLESS_MODE,
 	SOF_FW_BOOT_PREPARE,
 	SOF_FW_BOOT_IN_PROGRESS,
 	SOF_FW_BOOT_FAILED,
@@ -130,6 +132,9 @@ struct sof_dev_desc {
 	unsigned int ipc_supported_mask;
 	enum sof_ipc_type ipc_default;
 
+	/* The platform supports DSPless mode */
+	bool dspless_mode_supported;
+
 	/* defaults paths for firmware, library and topology files */
 	const char *default_fw_path[SOF_IPC_TYPE_COUNT];
 	const char *default_lib_path[SOF_IPC_TYPE_COUNT];
diff --git a/include/uapi/sound/sof/header.h b/include/uapi/sound/sof/header.h
index 687325eda5ad94..e2e760c94f0184 100644
--- a/include/uapi/sound/sof/header.h
+++ b/include/uapi/sound/sof/header.h
@@ -68,14 +68,14 @@ struct sof_manifest_tlv {
  * @abi_minor: Minor ABI version
  * @abi_patch: ABI patch
  * @count: count of tlv items
- * @items: consecutive variable size tlv items
+ * @items: consecutive variable size tlv items (struct sof_manifest_tlv)
  */
 struct sof_manifest {
 	__le16 abi_major;
 	__le16 abi_minor;
 	__le16 abi_patch;
 	__le16 count;
-	struct sof_manifest_tlv items[];
+	__u8 items[];
 };
 
 #endif
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c
index 2c4dfc0b7e342c..7d4f0ae8a39837 100644
--- a/sound/hda/intel-nhlt.c
+++ b/sound/hda/intel-nhlt.c
@@ -44,8 +44,9 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt)
 		return 0;
 	}
 
-	for (j = 0, epnt = nhlt->desc; j < nhlt->endpoint_count; j++,
-	     epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length)) {
+	for (j = 0, epnt = (struct nhlt_endpoint *)nhlt->desc;
+	     j < nhlt->endpoint_count;
+	     j++, epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length)) {
 
 		if (epnt->linktype != NHLT_LINK_DMIC)
 			continue;
@@ -55,11 +56,12 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt)
 
 		/* find max number of channels based on format_configuration */
 		if (fmt_configs->fmt_count) {
-			struct nhlt_fmt_cfg *fmt_cfg = fmt_configs->fmt_config;
+			struct nhlt_fmt_cfg *fmt_cfg;
 
 			dev_dbg(dev, "found %d format definitions\n",
 				fmt_configs->fmt_count);
 
+			fmt_cfg = (struct nhlt_fmt_cfg *)fmt_configs->fmt_config;
 			for (i = 0; i < fmt_configs->fmt_count; i++) {
 				struct wav_fmt_ext *fmt_ext;
 
@@ -188,7 +190,7 @@ int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num)
 		    epnt->virtual_bus_id == ssp_num) {
 
 			fmt = (struct nhlt_fmt *)(epnt->config.caps + epnt->config.size);
-			cfg = fmt->fmt_config;
+			cfg = (struct nhlt_fmt_cfg *)fmt->fmt_config;
 
 			/*
 			 * In theory all formats should use the same MCLK but it doesn't hurt to
@@ -240,7 +242,7 @@ static struct nhlt_specific_cfg *
 nhlt_get_specific_cfg(struct device *dev, struct nhlt_fmt *fmt, u8 num_ch,
 		      u32 rate, u8 vbps, u8 bps)
 {
-	struct nhlt_fmt_cfg *cfg = fmt->fmt_config;
+	struct nhlt_fmt_cfg *cfg = (struct nhlt_fmt_cfg *)fmt->fmt_config;
 	struct wav_fmt *wfmt;
 	u16 _bps, _vbps;
 	int i;
diff --git a/sound/soc/intel/common/soc-acpi-intel-tgl-match.c b/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
index ef19150e7b2e9a..ad7aaeddbb99a5 100644
--- a/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
@@ -422,59 +422,91 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_tgl_sdw_machines[] = {
 		.links = sdw_mockup_headset_2amps_mic,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1308-rt715.tplg",
+		.mach_params = {
+			.link_mask = GENMASK(3, 0),
+			.links = sdw_mockup_headset_2amps_mic,
+		},
 	},
 	{
 		.link_mask = BIT(0) | BIT(1) | BIT(3),
 		.links = sdw_mockup_headset_1amp_mic,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1308-mono-rt715.tplg",
+		.mach_params = {
+			.link_mask = BIT(0) | BIT(1) | BIT(3),
+			.links = sdw_mockup_headset_1amp_mic,
+		},
 	},
 	{
 		.link_mask = BIT(0) | BIT(1) | BIT(2),
 		.links = sdw_mockup_mic_headset_1amp,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt715-rt711-rt1308-mono.tplg",
+		.mach_params = {
+			.link_mask = BIT(0) | BIT(1) | BIT(2),
+			.links = sdw_mockup_mic_headset_1amp,
+		},
 	},
 	{
 		.link_mask = 0x7,
 		.links = tgl_sdw_rt711_link1_rt1308_link2_rt715_link0,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt715-rt711-rt1308-mono.tplg",
+		.mach_params = {
+			.link_mask = 0x7,
+			.links = tgl_sdw_rt711_link1_rt1308_link2_rt715_link0,
+		},
 	},
 	{
 		.link_mask = 0xF, /* 4 active links required */
 		.links = tgl_3_in_1_default,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1308-rt715.tplg",
+		.mach_params = {
+			.link_mask = 0xF, /* 4 active links required */
+			.links = tgl_3_in_1_default,
+		},
 	},
 	{
+		.link_mask = 0xF,
+		.links = tgl_3_in_1_mono_amp,
+		.drv_name = "sof_sdw",
+		.sof_tplg_filename = "sof-tgl-rt711-rt1308-mono-rt715.tplg",
 		/*
 		 * link_mask should be 0xB, but all links are enabled by BIOS.
 		 * This entry will be selected if there is no rt1308 exposed
 		 * on link2 since it will fail to match the above entry.
 		 */
-		.link_mask = 0xF,
-		.links = tgl_3_in_1_mono_amp,
-		.drv_name = "sof_sdw",
-		.sof_tplg_filename = "sof-tgl-rt711-rt1308-mono-rt715.tplg",
+		.mach_params = {
+			.link_mask = 0xF,
+			.links = tgl_3_in_1_mono_amp,
+		},
 	},
 	{
 		.link_mask = 0xF, /* 4 active links required */
 		.links = tgl_3_in_1_sdca,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1316-rt714.tplg",
+		.mach_params = {
+			.link_mask = 0xF, /* 4 active links required */
+			.links = tgl_3_in_1_sdca,
+		},
 	},
 	{
+		.link_mask = 0xF, /* 4 active links required */
+		.links = tgl_3_in_1_sdca_mono,
+		.drv_name = "sof_sdw",
+		.sof_tplg_filename = "sof-tgl-rt711-l0-rt1316-l1-mono-rt714-l3.tplg",
 		/*
 		 * link_mask should be 0xB, but all links are enabled by BIOS.
 		 * This entry will be selected if there is no rt1316 amplifier exposed
 		 * on link2 since it will fail to match the above entry.
 		 */
 
-		.link_mask = 0xF, /* 4 active links required */
-		.links = tgl_3_in_1_sdca_mono,
-		.drv_name = "sof_sdw",
-		.sof_tplg_filename = "sof-tgl-rt711-l0-rt1316-l1-mono-rt714-l3.tplg",
+		.mach_params = {
+			.link_mask = 0xF, /* 4 active links required */
+			.links = tgl_3_in_1_sdca_mono,
+		},
 	},
 
 	{
@@ -482,24 +514,40 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_tgl_sdw_machines[] = {
 		.links = tgl_hp,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1308.tplg",
+		.mach_params = {
+			.link_mask = 0x3, /* rt711 on link 0 and 1 rt1308 on link 1 */
+			.links = tgl_hp,
+		},
 	},
 	{
 		.link_mask = 0x3, /* rt711 on link 0 and 2 rt1308s on link 1 */
 		.links = tgl_rvp,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711-rt1308.tplg",
+		.mach_params = {
+			.link_mask = 0x3, /* rt711 on link 0 and 2 rt1308s on link 1 */
+			.links = tgl_rvp,
+		},
 	},
 	{
 		.link_mask = 0x3, /* rt5682 on link0 & 2xmax98373 on link 1 */
 		.links = tgl_chromebook_base,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-sdw-max98373-rt5682.tplg",
+		.mach_params = {
+			.link_mask = 0x3, /* rt5682 on link0 & 2xmax98373 on link 1 */
+			.links = tgl_chromebook_base,
+		},
 	},
 	{
 		.link_mask = 0x1, /* rt711 on link 0 */
 		.links = tgl_rvp_headset_only,
 		.drv_name = "sof_sdw",
 		.sof_tplg_filename = "sof-tgl-rt711.tplg",
+		.mach_params = {
+			.link_mask = 0x1, /* rt711 on link 0 */
+			.links = tgl_rvp_headset_only,
+		},
 	},
 	{},
 };
diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c
index e0e9efd25d34e2..75e13f4fd1eb81 100644
--- a/sound/soc/sof/control.c
+++ b/sound/soc/sof/control.c
@@ -22,9 +22,9 @@ int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = sm->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->volume_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->volume_get)
 		return tplg_ops->control->volume_get(scontrol, ucontrol);
 
 	return 0;
@@ -37,9 +37,9 @@ int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = sm->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->volume_put)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->volume_put)
 		return tplg_ops->control->volume_put(scontrol, ucontrol);
 
 	return false;
@@ -74,9 +74,9 @@ int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = sm->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->switch_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->switch_get)
 		return tplg_ops->control->switch_get(scontrol, ucontrol);
 
 	return 0;
@@ -89,9 +89,9 @@ int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = sm->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->switch_put)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->switch_put)
 		return tplg_ops->control->switch_put(scontrol, ucontrol);
 
 	return false;
@@ -104,9 +104,9 @@ int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = se->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->enum_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->enum_get)
 		return tplg_ops->control->enum_get(scontrol, ucontrol);
 
 	return 0;
@@ -119,9 +119,9 @@ int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = se->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->enum_put)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->enum_put)
 		return tplg_ops->control->enum_put(scontrol, ucontrol);
 
 	return false;
@@ -134,9 +134,9 @@ int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = be->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->bytes_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->bytes_get)
 		return tplg_ops->control->bytes_get(scontrol, ucontrol);
 
 	return 0;
@@ -149,9 +149,9 @@ int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = be->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->bytes_put)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->bytes_put)
 		return tplg_ops->control->bytes_put(scontrol, ucontrol);
 
 	return 0;
@@ -165,13 +165,13 @@ int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = be->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
 	/* make sure we have at least a header */
 	if (size < sizeof(struct snd_ctl_tlv))
 		return -EINVAL;
 
-	if (tplg_ops->control->bytes_ext_put)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->bytes_ext_put)
 		return tplg_ops->control->bytes_ext_put(scontrol, binary_data, size);
 
 	return 0;
@@ -184,7 +184,7 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _
 	struct snd_sof_control *scontrol = be->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	int ret, err;
 
 	ret = pm_runtime_resume_and_get(scomp->dev);
@@ -193,7 +193,7 @@ int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _
 		return ret;
 	}
 
-	if (tplg_ops->control->bytes_ext_volatile_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->bytes_ext_volatile_get)
 		ret = tplg_ops->control->bytes_ext_volatile_get(scontrol, binary_data, size);
 
 	pm_runtime_mark_last_busy(scomp->dev);
@@ -212,9 +212,9 @@ int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
 	struct snd_sof_control *scontrol = be->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->bytes_ext_get)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->bytes_ext_get)
 		return tplg_ops->control->bytes_ext_get(scontrol, binary_data, size);
 
 	return 0;
diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
index 3e6141d03770fc..142470fd0bfa24 100644
--- a/sound/soc/sof/core.c
+++ b/sound/soc/sof/core.c
@@ -208,6 +208,11 @@ static int sof_probe_continue(struct snd_sof_dev *sdev)
 	/* set up platform component driver */
 	snd_sof_new_platform_drv(sdev);
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+		sof_set_fw_state(sdev, SOF_DSPLESS_MODE);
+		goto skip_dsp_init;
+	}
+
 	/* register any debug/trace capabilities */
 	ret = snd_sof_dbg_init(sdev);
 	if (ret < 0) {
@@ -266,6 +271,7 @@ static int sof_probe_continue(struct snd_sof_dev *sdev)
 		dev_dbg(sdev->dev, "SOF firmware trace disabled\n");
 	}
 
+skip_dsp_init:
 	/* hereafter all FW boot flows are for PM reasons */
 	sdev->first_boot = false;
 
@@ -362,6 +368,19 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	sdev->first_boot = true;
 	dev_set_drvdata(dev, sdev);
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+		if (plat_data->desc->dspless_mode_supported) {
+			dev_info(dev, "Switching to DSPless mode\n");
+		} else {
+			dev_info(dev, "DSPless mode is not supported by the platform\n");
+			/* Clear the DSPless mode flag, it is not supported  */
+			sof_core_debug &= ~SOF_DBG_DSPLESS_MODE;
+		}
+	}
+
+	if (sof_core_debug)
+		dev_info(dev, "sof_debug value: %#x\n", sof_core_debug);
+
 	/* check IPC support */
 	if (!(BIT(plat_data->ipc_type) & plat_data->desc->ipc_supported_mask)) {
 		dev_err(dev, "ipc_type %d is not supported on this platform, mask is %#x\n",
@@ -375,15 +394,21 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 		return ret;
 
 	/* check all mandatory ops */
-	if (!sof_ops(sdev) || !sof_ops(sdev)->probe || !sof_ops(sdev)->run ||
-	    !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write ||
-	    !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware ||
-	    !sof_ops(sdev)->ipc_msg_data) {
+	if (!sof_ops(sdev) || !sof_ops(sdev)->probe) {
 		sof_ops_free(sdev);
 		dev_err(dev, "error: missing mandatory ops\n");
 		return -EINVAL;
 	}
 
+	if (!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE) &&
+	    (!sof_ops(sdev)->run || !sof_ops(sdev)->block_read ||
+	     !sof_ops(sdev)->block_write || !sof_ops(sdev)->send_msg ||
+	     !sof_ops(sdev)->load_firmware || !sof_ops(sdev)->ipc_msg_data)) {
+		sof_ops_free(sdev);
+		dev_err(dev, "error: missing mandatory DSP ops\n");
+		return -EINVAL;
+	}
+
 	INIT_LIST_HEAD(&sdev->pcm_list);
 	INIT_LIST_HEAD(&sdev->kcontrol_list);
 	INIT_LIST_HEAD(&sdev->widget_list);
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index d9a3ce7b69e16c..bbf7202c36facf 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -368,6 +368,7 @@ static const struct soc_fw_state_info {
 	const char *name;
 } fw_state_dbg[] = {
 	{SOF_FW_BOOT_NOT_STARTED, "SOF_FW_BOOT_NOT_STARTED"},
+	{SOF_DSPLESS_MODE, "SOF_DSPLESS_MODE"},
 	{SOF_FW_BOOT_PREPARE, "SOF_FW_BOOT_PREPARE"},
 	{SOF_FW_BOOT_IN_PROGRESS, "SOF_FW_BOOT_IN_PROGRESS"},
 	{SOF_FW_BOOT_FAILED, "SOF_FW_BOOT_FAILED"},
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 98eebb4b07e6d3..29f65fc7dad7e1 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -603,6 +603,88 @@ static const struct snd_soc_dai_ops ipc4_hda_dai_ops = {
 	.prepare = hda_dai_prepare,
 };
 
+static int dspless_hda_dai_hw_params(struct snd_pcm_substream *substream,
+				     struct snd_pcm_hw_params *params,
+				     struct snd_soc_dai *dai)
+{
+	struct hdac_stream *hstream = substream->runtime->private_data;
+	struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct hdac_bus *bus = hstream->bus;
+	struct hdac_ext_link *hlink;
+	int sig_bits;
+
+	hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name);
+	if (!hlink)
+		return -EINVAL;
+
+	/* set the hdac_stream in the codec dai */
+	snd_soc_dai_set_stream(codec_dai, hdac_stream(hext_stream), substream->stream);
+
+	if (hext_stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
+		snd_hdac_ext_bus_link_set_stream_id(hlink, hstream->stream_tag);
+	} else {
+	}
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		sig_bits = codec_dai->driver->playback.sig_bits;
+	else
+		sig_bits = codec_dai->driver->capture.sig_bits;
+
+	/* Save the format required for the codec */
+	hstream->format_val = snd_hdac_calc_stream_format(params_rate(params),
+							  params_channels(params),
+							  params_format(params),
+							  sig_bits, 0);
+	hext_stream->link_prepared = 1;
+
+	return 0;
+}
+
+static int dspless_hda_dai_hw_free(struct snd_pcm_substream *substream,
+				   struct snd_soc_dai *dai)
+{
+	struct hdac_stream *hstream = substream->runtime->private_data;
+	struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct hdac_bus *bus = hstream->bus;
+	struct hdac_ext_link *hlink;
+
+	hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name);
+	if (!hlink)
+		return -EINVAL;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		snd_hdac_ext_bus_link_clear_stream_id(hlink, hstream->stream_tag);
+
+	hext_stream->link_prepared = 0;
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops dspless_hda_dai_ops = {
+	.hw_params = dspless_hda_dai_hw_params,
+	.hw_free = dspless_hda_dai_hw_free,
+};
+
+static int dspless_hda_dai_suspend(struct hdac_bus *bus)
+{
+	struct hdac_ext_stream *hext_stream;
+	struct hdac_stream *s;
+
+	/* set internal flag for BE */
+	list_for_each_entry(s, &bus->stream_list, list) {
+		hext_stream = stream_to_hdac_ext_stream(s);
+
+		if (hext_stream->link_substream)
+			hext_stream->link_prepared = 0;
+	}
+
+	return 0;
+}
+
 #endif
 
 /* only one flag used so far to harden hw_params/hw_free/trigger/prepare */
@@ -718,6 +800,18 @@ void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
 {
 	int i;
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+		for (i = 0; i < ops->num_drv; i++) {
+			if (strstr(ops->drv[i].name, "iDisp") ||
+			    strstr(ops->drv[i].name, "Analog") ||
+			    strstr(ops->drv[i].name, "Digital"))
+				ops->drv[i].ops = &dspless_hda_dai_ops;
+		}
+#endif
+		return;
+	}
+
 	switch (sdev->pdata->ipc_type) {
 	case SOF_IPC:
 		for (i = 0; i < ops->num_drv; i++) {
@@ -929,7 +1023,11 @@ int hda_dsp_dais_suspend(struct snd_sof_dev *sdev)
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
 	int ret;
 
-	ret = hda_dai_suspend(sof_to_bus(sdev));
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		ret = dspless_hda_dai_suspend(sof_to_bus(sdev));
+	else
+		ret = hda_dai_suspend(sof_to_bus(sdev));
+
 	if (ret < 0)
 		return ret;
 #endif
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c
index dc0b359ed9b6cc..ab0135c661a41b 100644
--- a/sound/soc/sof/intel/hda-pcm.c
+++ b/sound/soc/sof/intel/hda-pcm.c
@@ -111,7 +111,10 @@ int hda_dsp_pcm_hw_params(struct snd_sof_dev *sdev,
 
 	dmab = substream->runtime->dma_buffer_p;
 
-	hstream->format_val = rate | bits | (params_channels(params) - 1);
+	/* Use the codec required format val when the DSP is not in use */
+	if (!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		hstream->format_val = rate | bits | (params_channels(params) - 1);
+
 	hstream->bufsize = size;
 	hstream->period_bytes = params_period_bytes(params);
 	hstream->no_period_wakeup  =
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 8e3f058576326a..5146c724770de6 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -480,7 +480,7 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 	int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
 	int ret;
 	u32 dma_start = SOF_HDA_SD_CTL_DMA_START;
-	u32 mask;
+	u32 mask = 0x1 << hstream->index;
 	u32 run;
 
 	if (!hext_stream) {
@@ -493,10 +493,10 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 		return -ENODEV;
 	}
 
-	/* decouple host and link DMA */
-	mask = 0x1 << hstream->index;
-	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
-				mask, mask);
+	/* decouple host and link DMA if the DSP is used */
+	if (!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
+					mask, mask);
 
 	/* clear stream status */
 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, sd_offset,
@@ -597,7 +597,8 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 	 *    enable decoupled mode
 	 */
 
-	if (chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK) {
+	if ((!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) &&
+	    chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK) {
 		/* couple host and link DMA, disable DSP features */
 		snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 					mask, 0);
@@ -609,7 +610,8 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 				SOF_HDA_ADSP_REG_SD_FORMAT,
 				0xffff, hstream->format_val);
 
-	if (chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK) {
+	if ((!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) &&
+	    chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK) {
 		/* decouple host and link DMA, enable DSP features */
 		snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 					mask, mask);
@@ -666,20 +668,23 @@ int hda_dsp_stream_hw_free(struct snd_sof_dev *sdev,
 	struct hdac_ext_stream *hext_stream = container_of(hstream,
 							 struct hdac_ext_stream,
 							 hstream);
-	struct hdac_bus *bus = sof_to_bus(sdev);
-	u32 mask = 0x1 << hstream->index;
 	int ret;
 
 	ret = hda_dsp_stream_reset(sdev, hstream);
 	if (ret < 0)
 		return ret;
 
-	spin_lock_irq(&bus->reg_lock);
-	/* couple host and link DMA if link DMA channel is idle */
-	if (!hext_stream->link_locked)
-		snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR,
-					SOF_HDA_REG_PP_PPCTL, mask, 0);
-	spin_unlock_irq(&bus->reg_lock);
+	if (!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+		struct hdac_bus *bus = sof_to_bus(sdev);
+		u32 mask = 0x1 << hstream->index;
+
+		spin_lock_irq(&bus->reg_lock);
+		/* couple host and link DMA if link DMA channel is idle */
+		if (!hext_stream->link_locked)
+			snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR,
+						SOF_HDA_REG_PP_PPCTL, mask, 0);
+		spin_unlock_irq(&bus->reg_lock);
+	}
 
 	hda_dsp_stream_spib_config(sdev, hext_stream, HDA_DSP_SPIB_DISABLE, 0);
 
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 99be5ef7832403..21af9e48eb9fb6 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -1046,6 +1046,9 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
 	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
 #endif
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		hdev->no_ipc_position = 1;
+
 	/* set up HDA base */
 	bus = sof_to_bus(sdev);
 	ret = hda_init(sdev);
diff --git a/sound/soc/sof/intel/pci-apl.c b/sound/soc/sof/intel/pci-apl.c
index 69279dcc92dc13..a54be4f7bf24ed 100644
--- a/sound/soc/sof/intel/pci-apl.c
+++ b/sound/soc/sof/intel/pci-apl.c
@@ -29,6 +29,7 @@ static const struct sof_dev_desc bxt_desc = {
 	.chip_info = &apl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/apl",
@@ -60,6 +61,7 @@ static const struct sof_dev_desc glk_desc = {
 	.chip_info = &apl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/glk",
diff --git a/sound/soc/sof/intel/pci-tgl.c b/sound/soc/sof/intel/pci-tgl.c
index e80c4dfef85a58..932e25e10b40b6 100644
--- a/sound/soc/sof/intel/pci-tgl.c
+++ b/sound/soc/sof/intel/pci-tgl.c
@@ -30,6 +30,7 @@ static const struct sof_dev_desc tgl_desc = {
 	.chip_info = &tgl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/tgl",
@@ -61,6 +62,7 @@ static const struct sof_dev_desc tglh_desc = {
 	.chip_info = &tglh_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/tgl-h",
@@ -92,6 +94,7 @@ static const struct sof_dev_desc ehl_desc = {
 	.chip_info = &ehl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/ehl",
@@ -123,6 +126,7 @@ static const struct sof_dev_desc adls_desc = {
 	.chip_info = &adls_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/adl-s",
@@ -154,6 +158,7 @@ static const struct sof_dev_desc adl_desc = {
 	.chip_info = &tgl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/adl",
@@ -216,6 +221,7 @@ static const struct sof_dev_desc rpls_desc = {
 	.chip_info = &adls_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/rpl-s",
@@ -247,6 +253,7 @@ static const struct sof_dev_desc rpl_desc = {
 	.chip_info = &tgl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_IPC) | BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_IPC,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_IPC] = "intel/sof",
 		[SOF_INTEL_IPC4] = "intel/avs/rpl",
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index 7045e858399a52..093e799fa00630 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -1920,7 +1920,7 @@ static int sof_ipc4_parse_manifest(struct snd_soc_component *scomp, int index,
 	if (size <= SOF_IPC4_TPLG_ABI_SIZE)
 		return 0;
 
-	manifest_tlv = manifest->items;
+	manifest_tlv = (struct sof_manifest_tlv *)manifest->items;
 	len_check = sizeof(struct sof_manifest);
 	for (i = 0; i < le16_to_cpu(manifest->count); i++) {
 		len_check += sizeof(struct sof_manifest_tlv) + le32_to_cpu(manifest_tlv->size);
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 7ea83cfb19ed6c..5c5564b17a657c 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -125,8 +125,8 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_sof_platform_stream_params platform_params = { 0 };
-	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_sof_pcm *spcm;
 	int ret;
@@ -143,7 +143,7 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
 	 * Handle repeated calls to hw_params() without free_pcm() in
 	 * between. At least ALSA OSS emulation depends on this.
 	 */
-	if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
+	if (pcm_ops && pcm_ops->hw_free && spcm->prepared[substream->stream]) {
 		ret = pcm_ops->hw_free(component, substream);
 		if (ret < 0)
 			return ret;
@@ -177,7 +177,7 @@ static int sof_pcm_hw_params(struct snd_soc_component *component,
 			return ret;
 	}
 
-	if (pcm_ops->hw_params) {
+	if (pcm_ops && pcm_ops->hw_params) {
 		ret = pcm_ops->hw_params(component, substream, params, &platform_params);
 		if (ret < 0)
 			return ret;
@@ -196,7 +196,7 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
 {
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_sof_pcm *spcm;
 	int ret, err = 0;
 
@@ -212,7 +212,7 @@ static int sof_pcm_hw_free(struct snd_soc_component *component,
 		spcm->pcm.pcm_id, substream->stream);
 
 	/* free PCM in the DSP */
-	if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
+	if (pcm_ops && pcm_ops->hw_free && spcm->prepared[substream->stream]) {
 		ret = pcm_ops->hw_free(component, substream);
 		if (ret < 0)
 			err = ret;
@@ -279,7 +279,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
 {
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_sof_pcm *spcm;
 	bool reset_hw_params = false;
 	bool ipc_first = false;
@@ -342,7 +342,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
 	if (!ipc_first)
 		snd_sof_pcm_platform_trigger(sdev, substream, cmd);
 
-	if (pcm_ops->trigger)
+	if (pcm_ops && pcm_ops->trigger)
 		ret = pcm_ops->trigger(component, substream, cmd);
 
 	/* need to STOP DMA even if trigger IPC failed */
@@ -566,7 +566,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa
 	struct snd_sof_dai *dai =
 		snd_sof_find_dai(component, (char *)rtd->dai_link->name);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 
 	/* no topology exists for this BE, try a common configuration */
 	if (!dai) {
@@ -587,7 +587,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa
 		return 0;
 	}
 
-	if (pcm_ops->dai_link_fixup)
+	if (pcm_ops && pcm_ops->dai_link_fixup)
 		return pcm_ops->dai_link_fixup(rtd, params);
 
 	return 0;
@@ -677,7 +677,8 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
 
 	pd->pcm_construct = sof_pcm_new;
 	pd->ignore_machine = drv_name;
-	pd->be_hw_params_fixup = sof_pcm_dai_link_fixup;
+	if (!sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		pd->be_hw_params_fixup = sof_pcm_dai_link_fixup;
 	pd->be_pcm_base = SOF_BE_PCM_BASE;
 	pd->use_dai_pcm_id = true;
 	pd->topology_name_prefix = "sof";
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index d4615d8cf674f3..e317ac96d5a0a6 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -73,8 +73,8 @@ static void sof_cache_debugfs(struct snd_sof_dev *sdev)
 static int sof_resume(struct device *dev, bool runtime_resume)
 {
 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
-	const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	u32 old_state = sdev->dsp_power_state.state;
 	int ret;
 
@@ -103,6 +103,11 @@ static int sof_resume(struct device *dev, bool runtime_resume)
 		return ret;
 	}
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+		sof_set_fw_state(sdev, SOF_DSPLESS_MODE);
+		return 0;
+	}
+
 	/*
 	 * Nothing further to be done for platforms that support the low power
 	 * D0 substate. Resume trace and return when resuming from
@@ -155,7 +160,7 @@ static int sof_resume(struct device *dev, bool runtime_resume)
 	}
 
 	/* restore pipelines */
-	if (tplg_ops->set_up_all_pipelines) {
+	if (tplg_ops && tplg_ops->set_up_all_pipelines) {
 		ret = tplg_ops->set_up_all_pipelines(sdev, false);
 		if (ret < 0) {
 			dev_err(sdev->dev, "Failed to restore pipeline after resume %d\n", ret);
@@ -179,8 +184,8 @@ static int sof_resume(struct device *dev, bool runtime_resume)
 static int sof_suspend(struct device *dev, bool runtime_suspend)
 {
 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
-	const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	pm_message_t pm_state;
 	u32 target_state = 0;
 	int ret;
@@ -192,6 +197,9 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
 	if (runtime_suspend && !sof_ops(sdev)->runtime_suspend)
 		return 0;
 
+	target_state = snd_sof_dsp_power_target(sdev);
+	pm_state.event = target_state;
+
 	if (sdev->fw_state != SOF_FW_BOOT_COMPLETE)
 		goto suspend;
 
@@ -206,10 +214,7 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
 		}
 	}
 
-	target_state = snd_sof_dsp_power_target(sdev);
-	pm_state.event = target_state;
-
-	if (tplg_ops->tear_down_all_pipelines)
+	if (tplg_ops && tplg_ops->tear_down_all_pipelines)
 		tplg_ops->tear_down_all_pipelines(sdev, false);
 
 	/* Skip to platform-specific suspend if DSP is entering D0 */
@@ -277,7 +282,7 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
 
 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev)
 {
-	const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
+	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
 
 	/* Notify DSP of upcoming power down */
 	if (sof_ops(sdev)->remove && pm_ops && pm_ops->ctx_save)
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 9b09b5599ec477..8e951531fefec1 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -16,12 +16,12 @@
 
 static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget)
 {
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_route *sroute;
 
 	list_for_each_entry(sroute, &sdev->route_list, list)
 		if (sroute->src_widget == widget || sroute->sink_widget == widget) {
-			if (sroute->setup && tplg_ops->route_free)
+			if (sroute->setup && tplg_ops && tplg_ops->route_free)
 				tplg_ops->route_free(sdev, sroute);
 
 			sroute->setup = false;
@@ -30,7 +30,7 @@ static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_so
 
 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 {
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	int err = 0;
 	int ret;
 
@@ -47,7 +47,7 @@ int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 	sof_reset_route_setup_status(sdev, swidget);
 
 	/* continue to disable core even if IPC fails */
-	if (tplg_ops->widget_free)
+	if (tplg_ops && tplg_ops->widget_free)
 		err = tplg_ops->widget_free(sdev, swidget);
 
 	/*
@@ -82,7 +82,7 @@ EXPORT_SYMBOL(sof_widget_free);
 
 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 {
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	int ret;
 
 	/* skip if there is no private data */
@@ -124,7 +124,7 @@ int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 	}
 
 	/* setup widget in the DSP */
-	if (tplg_ops->widget_setup) {
+	if (tplg_ops && tplg_ops->widget_setup) {
 		ret = tplg_ops->widget_setup(sdev, swidget);
 		if (ret < 0)
 			goto core_put;
@@ -134,7 +134,7 @@ int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 	if (WIDGET_IS_DAI(swidget->id)) {
 		unsigned int flags = SOF_DAI_CONFIG_FLAGS_NONE;
 
-		if (tplg_ops->dai_config) {
+		if (tplg_ops && tplg_ops->dai_config) {
 			ret = tplg_ops->dai_config(sdev, swidget, flags, NULL);
 			if (ret < 0)
 				goto widget_free;
@@ -142,7 +142,7 @@ int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 	}
 
 	/* restore kcontrols for widget */
-	if (tplg_ops->control->widget_kcontrol_setup) {
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->widget_kcontrol_setup) {
 		ret = tplg_ops->control->widget_kcontrol_setup(sdev, swidget);
 		if (ret < 0)
 			goto widget_free;
@@ -169,12 +169,11 @@ EXPORT_SYMBOL(sof_widget_setup);
 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
 		    struct snd_soc_dapm_widget *wsink)
 {
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_widget *src_widget = wsource->dobj.private;
 	struct snd_sof_widget *sink_widget = wsink->dobj.private;
 	struct snd_sof_route *sroute;
 	bool route_found = false;
-	int ret;
 
 	/* ignore routes involving virtual widgets in topology */
 	switch (src_widget->id) {
@@ -212,9 +211,12 @@ int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsourc
 	if (sroute->setup)
 		return 0;
 
-	ret = ipc_tplg_ops->route_setup(sdev, sroute);
-	if (ret < 0)
-		return ret;
+	if (tplg_ops && tplg_ops->route_setup) {
+		int ret = tplg_ops->route_setup(sdev, sroute);
+
+		if (ret < 0)
+			return ret;
+	}
 
 	sroute->setup = true;
 	return 0;
@@ -275,16 +277,17 @@ static void
 sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,
 			      struct snd_soc_dapm_widget_list *list)
 {
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_widget *swidget = widget->dobj.private;
+	const struct sof_ipc_tplg_widget_ops *widget_ops;
 	struct snd_soc_dapm_path *p;
 
 	/* return if the widget is in use or if it is already unprepared */
-	if (!swidget->prepared || swidget->use_count > 1)
+	if (!swidget || !swidget->prepared || swidget->use_count > 1)
 		return;
 
-	if (widget_ops[widget->id].ipc_unprepare)
+	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+	if (widget_ops && widget_ops[widget->id].ipc_unprepare)
 		/* unprepare the source widget */
 		widget_ops[widget->id].ipc_unprepare(swidget);
 
@@ -309,13 +312,17 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
 			    struct snd_pcm_hw_params *pipeline_params, int dir,
 			    struct snd_soc_dapm_widget_list *list)
 {
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_widget *swidget = widget->dobj.private;
+	const struct sof_ipc_tplg_widget_ops *widget_ops;
 	struct snd_soc_dapm_path *p;
 	int ret;
 
-	if (!widget_ops[widget->id].ipc_prepare || swidget->prepared)
+	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+	if (!widget_ops)
+		return 0;
+
+	if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)
 		goto sink_prepare;
 
 	/* prepare the source widget */
@@ -524,7 +531,7 @@ int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
 			  struct snd_sof_platform_stream_params *platform_params,
 			  int dir)
 {
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list;
 	struct snd_soc_dapm_widget *widget;
 	int i, ret;
@@ -578,8 +585,8 @@ int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
 		if (pipe_widget->complete)
 			continue;
 
-		if (ipc_tplg_ops->pipeline_complete) {
-			pipe_widget->complete = ipc_tplg_ops->pipeline_complete(sdev, pipe_widget);
+		if (tplg_ops && tplg_ops->pipeline_complete) {
+			pipe_widget->complete = tplg_ops->pipeline_complete(sdev, pipe_widget);
 			if (pipe_widget->complete < 0) {
 				ret = pipe_widget->complete;
 				goto widget_free;
@@ -670,11 +677,11 @@ bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev)
 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
 			struct snd_sof_pcm *spcm, int dir, bool free_widget_list)
 {
-	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	int ret;
 
 	/* Send PCM_FREE IPC to reset pipeline */
-	if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
+	if (pcm_ops && pcm_ops->hw_free && spcm->prepared[substream->stream]) {
 		ret = pcm_ops->hw_free(sdev->component, substream);
 		if (ret < 0)
 			return ret;
@@ -804,13 +811,13 @@ static int sof_dai_get_clk(struct snd_soc_pcm_runtime *rtd, int clk_type)
 	struct snd_sof_dai *dai =
 		snd_sof_find_dai(component, (char *)rtd->dai_link->name);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
 	/* use the tplg configured mclk if existed */
 	if (!dai)
 		return 0;
 
-	if (tplg_ops->dai_get_clk)
+	if (tplg_ops && tplg_ops->dai_get_clk)
 		return tplg_ops->dai_get_clk(sdev, dai, clk_type);
 
 	return 0;
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 636b9e0909d5a6..9a918bf7744c2c 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -173,7 +173,7 @@ struct sof_ipc_tplg_widget_ops {
  *	    initialized to 0.
  * @control: Pointer to the IPC-specific ops for topology kcontrol IO
  * @route_setup: Function pointer for setting up pipeline connections
- * @route_free: Optional op for freeing pipeline connections.
+ * @route_free: Function pointer for freeing pipeline connections.
  * @token_list: List of all tokens supported by the IPC version. The size of the token_list
  *		array should be SOF_TOKEN_COUNT. The unused elements in the array will be
  *		initialized to 0.
@@ -186,8 +186,10 @@ struct sof_ipc_tplg_widget_ops {
  * @dai_get_clk: Function pointer for getting the DAI clock setting
  * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
  * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
- * @parse_manifest: Optional function pointer for ipc4 specific parsing of topology manifest
- * @link_setup: Optional function pointer for IPC-specific DAI link set up
+ * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
+ * @link_setup: Function pointer for IPC-specific DAI link set up
+ *
+ * Note: function pointers (ops) are optional
  */
 struct sof_ipc_tplg_ops {
 	const struct sof_ipc_tplg_widget_ops *widget;
diff --git a/sound/soc/sof/sof-client.c b/sound/soc/sof/sof-client.c
index 9017f0864cdda3..04bda9de404cd2 100644
--- a/sound/soc/sof/sof-client.c
+++ b/sound/soc/sof/sof-client.c
@@ -130,6 +130,9 @@ int sof_register_clients(struct snd_sof_dev *sdev)
 {
 	int ret;
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		return 0;
+
 	/* Register platform independent client devices */
 	ret = sof_register_ipc_flood_test(sdev);
 	if (ret) {
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index eb1192dbdfb61c..5d35a402be0859 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -46,6 +46,7 @@
 #define SOF_DBG_FORCE_NOCODEC			BIT(10) /* ignore all codec-related
 							 * configurations
 							 */
+#define SOF_DBG_DSPLESS_MODE			BIT(15) /* Do not initialize and use the DSP */
 
 /* Flag definitions used for controlling the DSP dump behavior */
 #define SOF_DBG_DUMP_REGS		BIT(0)
@@ -70,14 +71,6 @@ bool sof_debug_check_flag(int mask);
 #define SOF_IPC_DSP_REPLY		0
 #define SOF_IPC_HOST_REPLY		1
 
-/* convenience constructor for DAI driver streams */
-#define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
-	{.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
-	 .rates = srates, .formats = sfmt}
-
-#define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
-	SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
-
 /* So far the primary core on all DSPs has ID 0 */
 #define SOF_DSP_PRIMARY_CORE 0
 
@@ -444,7 +437,7 @@ struct sof_ipc_pcm_ops;
  * @pm:		Pointer to PM ops
  * @pcm:	Pointer to PCM ops
  * @fw_loader:	Pointer to Firmware Loader ops
- * @fw_tracing:	Pointer to Firmware tracing ops
+ * @fw_tracing:	Optional pointer to Firmware tracing ops
  *
  * @init:	Optional pointer for IPC related initialization
  * @exit:	Optional pointer for IPC related cleanup
@@ -502,6 +495,10 @@ struct snd_sof_ipc {
 	const struct sof_ipc_ops *ops;
 };
 
+/* Helper to retrieve the IPC ops */
+#define sof_ipc_get_ops(sdev, ops_name)		\
+		(((sdev)->ipc && (sdev)->ipc->ops) ? (sdev)->ipc->ops->ops_name : NULL)
+
 /*
  * SOF Device Level.
  */
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 0160d2cf0b7e55..a57438d8283dc3 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -54,11 +54,16 @@ int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum so
 			  size_t object_size, int token_instance_num)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+	const struct sof_token_info *token_list;
 	const struct sof_topology_token *tokens;
 	int i, j;
 
+	token_list = tplg_ops ? tplg_ops->token_list : NULL;
+	/* nothing to do if token_list is NULL */
+	if (!token_list)
+		return 0;
+
 	if (token_list[token_id].count < 0) {
 		dev_err(scomp->dev, "Invalid token count for token ID: %d\n", token_id);
 		return -EINVAL;
@@ -263,9 +268,9 @@ static int set_up_volume_table(struct snd_sof_control *scontrol,
 {
 	struct snd_soc_component *scomp = scontrol->scomp;
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (tplg_ops->control->set_up_volume_table)
+	if (tplg_ops && tplg_ops->control && tplg_ops->control->set_up_volume_table)
 		return tplg_ops->control->set_up_volume_table(scontrol, tlv, size);
 
 	dev_err(scomp->dev, "Mandatory op %s not set\n", __func__);
@@ -487,13 +492,14 @@ static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_
 			   int array_size, u32 token_id, int token_instance_num,
 			   struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples)
 {
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+	const struct sof_token_info *token_list;
 	const struct sof_topology_token *tokens;
 	int found = 0;
 	int num_tokens, asize;
 	int i, j;
 
+	token_list = tplg_ops ? tplg_ops->token_list : NULL;
 	/* nothing to do if token_list is NULL */
 	if (!token_list)
 		return 0;
@@ -1012,14 +1018,14 @@ static int sof_control_unload(struct snd_soc_component *scomp,
 			      struct snd_soc_dobj *dobj)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_control *scontrol = dobj->private;
 	int ret = 0;
 
 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name);
 
-	if (ipc_tplg_ops->control_free) {
-		ret = ipc_tplg_ops->control_free(sdev, scontrol);
+	if (tplg_ops && tplg_ops->control_free) {
+		ret = tplg_ops->control_free(sdev, scontrol);
 		if (ret < 0)
 			dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name);
 	}
@@ -1165,6 +1171,9 @@ static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
 {
 	struct snd_sof_widget *host_widget;
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		return 0;
+
 	host_widget = snd_sof_find_swidget_sname(scomp,
 						 spcm->pcm.caps[dir].name,
 						 dir);
@@ -1198,12 +1207,17 @@ static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_s
 				   enum sof_tokens *object_token_list, int count)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_soc_tplg_private *private = &tw->priv;
+	const struct sof_token_info *token_list;
 	int num_tuples = 0;
 	int ret, i;
 
+	token_list = tplg_ops ? tplg_ops->token_list : NULL;
+	/* nothing to do if token_list is NULL */
+	if (!token_list)
+		return 0;
+
 	if (count > 0 && !object_token_list) {
 		dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name);
 		return -EINVAL;
@@ -1372,13 +1386,13 @@ static int sof_widget_ready(struct snd_soc_component *scomp, int index,
 			    struct snd_soc_tplg_dapm_widget *tw)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+	const struct sof_ipc_tplg_widget_ops *widget_ops;
 	struct snd_soc_tplg_private *priv = &tw->priv;
+	enum sof_tokens *token_list = NULL;
 	struct snd_sof_widget *swidget;
 	struct snd_sof_dai *dai;
-	enum sof_tokens *token_list;
-	int token_list_size;
+	int token_list_size = 0;
 	int ret = 0;
 
 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
@@ -1437,8 +1451,11 @@ static int sof_widget_ready(struct snd_soc_component *scomp, int index,
 		swidget->num_sink_pins, swidget->num_source_pins,
 		strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none");
 
-	token_list = widget_ops[w->id].token_list;
-	token_list_size = widget_ops[w->id].token_list_size;
+	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+	if (widget_ops) {
+		token_list = widget_ops[w->id].token_list;
+		token_list_size = widget_ops[w->id].token_list_size;
+	}
 
 	/* handle any special case widgets */
 	switch (w->id) {
@@ -1522,7 +1539,7 @@ static int sof_widget_ready(struct snd_soc_component *scomp, int index,
 
 	/* bind widget to external event */
 	if (tw->event_type) {
-		if (widget_ops[w->id].bind_event) {
+		if (widget_ops && widget_ops[w->id].bind_event) {
 			ret = widget_ops[w->id].bind_event(scomp, swidget,
 							   le16_to_cpu(tw->event_type));
 			if (ret) {
@@ -1562,8 +1579,8 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
 			     struct snd_soc_dobj *dobj)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+	const struct sof_ipc_tplg_widget_ops *widget_ops;
 	const struct snd_kcontrol_new *kc;
 	struct snd_soc_dapm_widget *widget;
 	struct snd_sof_control *scontrol;
@@ -1623,7 +1640,8 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
 
 out:
 	/* free IPC related data */
-	if (widget_ops[swidget->id].ipc_free)
+	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+	if (widget_ops && widget_ops[swidget->id].ipc_free)
 		widget_ops[swidget->id].ipc_free(swidget);
 
 	ida_destroy(&swidget->src_queue_ida);
@@ -1651,7 +1669,7 @@ static int sof_dai_load(struct snd_soc_component *scomp, int index,
 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_pcm_ops *ipc_pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_soc_tplg_stream_caps *caps;
 	struct snd_soc_tplg_private *private = &pcm->priv;
 	struct snd_sof_pcm *spcm;
@@ -1680,7 +1698,7 @@ static int sof_dai_load(struct snd_soc_component *scomp, int index,
 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
 
 	/* perform pcm set op */
-	if (ipc_pcm_ops->pcm_setup) {
+	if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {
 		ret = ipc_pcm_ops->pcm_setup(sdev, spcm);
 		if (ret < 0)
 			return ret;
@@ -1764,7 +1782,7 @@ static int sof_dai_unload(struct snd_soc_component *scomp,
 			  struct snd_soc_dobj *dobj)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_pcm_ops *ipc_pcm_ops = sdev->ipc->ops->pcm;
+	const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
 	struct snd_sof_pcm *spcm = dobj->private;
 
 	/* free PCM DMA pages */
@@ -1775,7 +1793,7 @@ static int sof_dai_unload(struct snd_soc_component *scomp,
 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
 
 	/* perform pcm free op */
-	if (ipc_pcm_ops->pcm_free)
+	if (ipc_pcm_ops && ipc_pcm_ops->pcm_free)
 		ipc_pcm_ops->pcm_free(sdev, spcm);
 
 	/* remove from list and free spcm */
@@ -1795,9 +1813,9 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
 			 struct snd_soc_tplg_link_config *cfg)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_soc_tplg_private *private = &cfg->priv;
+	const struct sof_token_info *token_list;
 	struct snd_sof_dai_link *slink;
 	u32 token_id = 0;
 	int num_tuples = 0;
@@ -1809,8 +1827,8 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
 	}
 	link->platforms->name = dev_name(scomp->dev);
 
-	if (ipc_tplg_ops->link_setup) {
-		ret = ipc_tplg_ops->link_setup(sdev, link);
+	if (tplg_ops && tplg_ops->link_setup) {
+		ret = tplg_ops->link_setup(sdev, link);
 		if (ret < 0)
 			return ret;
 	}
@@ -1856,6 +1874,7 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
 		return ret;
 	}
 
+	token_list = tplg_ops ? tplg_ops->token_list : NULL;
 	if (!token_list)
 		goto out;
 
@@ -2093,16 +2112,18 @@ static int sof_set_pipe_widget(struct snd_sof_dev *sdev, struct snd_sof_widget *
 static int sof_complete(struct snd_soc_component *scomp)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 	struct snd_sof_widget *swidget, *comp_swidget;
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
-	const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
+	const struct sof_ipc_tplg_widget_ops *widget_ops;
 	struct snd_sof_control *scontrol;
 	int ret;
 
+	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
+
 	/* first update all control IPC structures based on the IPC version */
-	if (ipc_tplg_ops->control_setup)
+	if (tplg_ops && tplg_ops->control_setup)
 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
-			ret = ipc_tplg_ops->control_setup(sdev, scontrol);
+			ret = tplg_ops->control_setup(sdev, scontrol);
 			if (ret < 0) {
 				dev_err(sdev->dev, "failed updating IPC struct for control %s\n",
 					scontrol->name);
@@ -2116,7 +2137,7 @@ static int sof_complete(struct snd_soc_component *scomp)
 	 * associated memories.
 	 */
 	list_for_each_entry(swidget, &sdev->widget_list, list) {
-		if (widget_ops[swidget->id].ipc_setup) {
+		if (widget_ops && widget_ops[swidget->id].ipc_setup) {
 			ret = widget_ops[swidget->id].ipc_setup(swidget);
 			if (ret < 0) {
 				dev_err(sdev->dev, "failed updating IPC struct for %s\n",
@@ -2148,15 +2169,16 @@ static int sof_complete(struct snd_soc_component *scomp)
 
 	/* verify topology components loading including dynamic pipelines */
 	if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) {
-		if (ipc_tplg_ops->set_up_all_pipelines && ipc_tplg_ops->tear_down_all_pipelines) {
-			ret = ipc_tplg_ops->set_up_all_pipelines(sdev, true);
+		if (tplg_ops && tplg_ops->set_up_all_pipelines &&
+		    tplg_ops->tear_down_all_pipelines) {
+			ret = tplg_ops->set_up_all_pipelines(sdev, true);
 			if (ret < 0) {
 				dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n",
 					ret);
 				return ret;
 			}
 
-			ret = ipc_tplg_ops->tear_down_all_pipelines(sdev, true);
+			ret = tplg_ops->tear_down_all_pipelines(sdev, true);
 			if (ret < 0) {
 				dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n",
 					ret);
@@ -2166,8 +2188,8 @@ static int sof_complete(struct snd_soc_component *scomp)
 	}
 
 	/* set up static pipelines */
-	if (ipc_tplg_ops->set_up_all_pipelines)
-		return ipc_tplg_ops->set_up_all_pipelines(sdev, false);
+	if (tplg_ops && tplg_ops->set_up_all_pipelines)
+		return tplg_ops->set_up_all_pipelines(sdev, false);
 
 	return 0;
 }
@@ -2177,10 +2199,10 @@ static int sof_manifest(struct snd_soc_component *scomp, int index,
 			struct snd_soc_tplg_manifest *man)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
-	const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
+	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 
-	if (ipc_tplg_ops->parse_manifest)
-		return ipc_tplg_ops->parse_manifest(scomp, index, man);
+	if (tplg_ops && tplg_ops->parse_manifest)
+		return tplg_ops->parse_manifest(scomp, index, man);
 
 	return 0;
 }
@@ -2236,6 +2258,83 @@ static struct snd_soc_tplg_ops sof_tplg_ops = {
 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
 };
 
+static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	return 0;
+}
+
+static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = {
+	{SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
+};
+
+static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol,
+					 unsigned int __user *binary_data,
+					 unsigned int size)
+{
+	return 0;
+}
+
+static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol,
+					 const unsigned int __user *binary_data,
+					 unsigned int size)
+{
+	return 0;
+}
+
+static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = {
+	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put},
+	{SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get},
+};
+
+/* external widget init - used for any driver specific init */
+static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index,
+				    struct snd_soc_dapm_widget *w,
+				    struct snd_soc_tplg_dapm_widget *tw)
+{
+	if (WIDGET_IS_DAI(w->id)) {
+		struct snd_sof_dai dai;
+
+		memset(&dai, 0, sizeof(dai));
+
+		return sof_connect_dai_widget(scomp, w, tw, &dai);
+	}
+
+	return 0;
+}
+
+static int sof_dspless_widget_unload(struct snd_soc_component *scomp,
+				     struct snd_soc_dobj *dobj)
+{
+	struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj);
+
+	if (WIDGET_IS_DAI(w->id))
+		sof_disconnect_dai_widget(scomp, w);
+
+	return 0;
+}
+
+static struct snd_soc_tplg_ops sof_dspless_tplg_ops = {
+	/* external widget init - used for any driver specific init */
+	.widget_ready	= sof_dspless_widget_ready,
+	.widget_unload	= sof_dspless_widget_unload,
+
+	/* FE DAI - used for any driver specific init */
+	.dai_load	= sof_dai_load,
+	.dai_unload	= sof_dai_unload,
+
+	/* vendor specific kcontrol handlers available for binding */
+	.io_ops		= sof_dspless_io_ops,
+	.io_ops_count	= ARRAY_SIZE(sof_dspless_io_ops),
+
+	/* vendor specific bytes ext handlers available for binding */
+	.bytes_ext_ops = sof_dspless_bytes_ext_ops,
+	.bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_bytes_ext_ops),
+};
+
 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
@@ -2253,7 +2352,11 @@ int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
 		return ret;
 	}
 
-	ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE))
+		ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw);
+	else
+		ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
+
 	if (ret < 0) {
 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
 			ret);
diff --git a/sound/soc/sof/trace.c b/sound/soc/sof/trace.c
index 6f662642d61159..b2ab51e5214a93 100644
--- a/sound/soc/sof/trace.c
+++ b/sound/soc/sof/trace.c
@@ -6,19 +6,21 @@
 
 int sof_fw_trace_init(struct snd_sof_dev *sdev)
 {
-	if (!sdev->ipc->ops->fw_tracing) {
+	const struct sof_ipc_fw_tracing_ops *fw_tracing = sof_ipc_get_ops(sdev, fw_tracing);
+
+	if (!fw_tracing) {
 		dev_info(sdev->dev, "Firmware tracing is not available\n");
 		sdev->fw_trace_is_supported = false;
 
 		return 0;
 	}
 
-	return sdev->ipc->ops->fw_tracing->init(sdev);
+	return fw_tracing->init(sdev);
 }
 
 void sof_fw_trace_free(struct snd_sof_dev *sdev)
 {
-	if (!sdev->fw_trace_is_supported || !sdev->ipc->ops->fw_tracing)
+	if (!sdev->fw_trace_is_supported)
 		return;
 
 	if (sdev->ipc->ops->fw_tracing->free)