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/sound/soc/sof/core.c b/sound/soc/sof/core.c
index a11e622c9f4e8d..c842e0769e0451 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 (sdev->dspless_mode_selected) {
+		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;
 
@@ -365,6 +371,15 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	if (sof_core_debug)
 		dev_info(dev, "sof_debug value: %#x\n", sof_core_debug);
 
+	if (sof_debug_check_flag(SOF_DBG_DSPLESS_MODE)) {
+		if (plat_data->desc->dspless_mode_supported) {
+			dev_info(dev, "Switching to DSPless mode\n");
+			sdev->dspless_mode_selected = true;
+		} else {
+			dev_info(dev, "DSPless mode is not supported by the platform\n");
+		}
+	}
+
 	/* 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",
@@ -378,12 +393,18 @@ 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, "missing mandatory ops\n");
+		return -EINVAL;
+	}
+
+	if (!sdev->dspless_mode_selected &&
+	    (!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 ops\n");
+		dev_err(dev, "missing mandatory DSP ops\n");
 		return -EINVAL;
 	}
 
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-ops.c b/sound/soc/sof/intel/hda-dai-ops.c
index de48f13259f1d6..4b39cecacd68d0 100644
--- a/sound/soc/sof/intel/hda-dai-ops.c
+++ b/sound/soc/sof/intel/hda-dai-ops.c
@@ -319,13 +319,44 @@ static const struct hda_dai_widget_dma_ops hda_ipc3_dma_ops = {
 	.post_trigger = hda_ipc3_post_trigger,
 };
 
+static struct hdac_ext_stream *
+hda_dspless_get_hext_stream(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
+			    struct snd_pcm_substream *substream)
+{
+	struct hdac_stream *hstream = substream->runtime->private_data;
+
+	return stream_to_hdac_ext_stream(hstream);
+}
+
+static void hda_dspless_setup_hext_stream(struct snd_sof_dev *sdev,
+					  struct hdac_ext_stream *hext_stream,
+					  unsigned int format_val)
+{
+	/*
+	 * Save the format_val which was adjusted by the maxbps of the codec.
+	 * This information is not available on the FE side since there we are
+	 * using dummy_codec.
+	 */
+	hext_stream->hstream.format_val = format_val;
+}
+
+static const struct hda_dai_widget_dma_ops hda_dspless_dma_ops = {
+	.get_hext_stream = hda_dspless_get_hext_stream,
+	.setup_hext_stream = hda_dspless_setup_hext_stream,
+};
+
 #endif
 
 const struct hda_dai_widget_dma_ops *
 hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
 {
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
-	struct snd_sof_dai *sdai = swidget->private;
+	struct snd_sof_dai *sdai;
+
+	if (sdev->dspless_mode_selected)
+		return &hda_dspless_dma_ops;
+
+	sdai = swidget->private;
 
 	switch (sdev->pdata->ipc_type) {
 	case SOF_IPC:
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 8afb1baf42e177..727d47072e5323 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -31,12 +31,19 @@ int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
 		   struct snd_sof_dai_config_data *data)
 {
 	struct snd_sof_widget *swidget = w->dobj.private;
-	struct snd_soc_component *component = swidget->scomp;
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
-	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
+	const struct sof_ipc_tplg_ops *tplg_ops;
+	struct snd_soc_component *component;
+	struct snd_sof_dev *sdev;
 	int ret;
 
-	if (tplg_ops && tplg_ops->dai_config) {
+	if (!swidget)
+		return 0;
+
+	component = swidget->scomp;
+	sdev = snd_soc_component_get_drvdata(component);
+	tplg_ops = sof_ipc_get_ops(sdev, tplg);
+
+	if (swidget && tplg_ops && tplg_ops->dai_config) {
 		ret = tplg_ops->dai_config(sdev, swidget, flags, data);
 		if (ret < 0) {
 			dev_err(sdev->dev, "DAI config with flags %x failed for widget %s\n",
@@ -56,13 +63,21 @@ hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai
 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component);
 	struct snd_sof_widget *swidget = w->dobj.private;
-	struct snd_sof_dai *sdai = swidget->private;
+	struct snd_sof_dai *sdai;
+
+	/*
+	 * The swidget parameter of hda_select_dai_widget_ops() is ignored in
+	 * case of DSPless mode
+	 */
+	if (sdev->dspless_mode_selected)
+		return hda_select_dai_widget_ops(sdev, NULL);
+
+	sdai = swidget->private;
 
 	/* select and set the DAI widget ops if not set already */
 	if (!sdai->platform_private) {
 		const struct hda_dai_widget_dma_ops *ops =
 			hda_select_dai_widget_ops(sdev, swidget);
-
 		if (!ops)
 			return NULL;
 
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c
index dc0b359ed9b6cc..9bd7dbdc3f92b2 100644
--- a/sound/soc/sof/intel/hda-pcm.c
+++ b/sound/soc/sof/intel/hda-pcm.c
@@ -111,7 +111,13 @@ 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 (which is link_bps adjusted) when
+	 * the DSP is not in use
+	 */
+	if (!sdev->dspless_mode_selected)
+		hstream->format_val = rate | bits | (params_channels(params) - 1);
+
 	hstream->bufsize = size;
 	hstream->period_bytes = params_period_bytes(params);
 	hstream->no_period_wakeup  =
@@ -249,6 +255,11 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev,
 	snd_pcm_hw_constraint_integer(substream->runtime,
 				      SNDRV_PCM_HW_PARAM_PERIODS);
 
+	/* Only S16 and S32 supported by HDA hardware when used without DSP */
+	if (sdev->dspless_mode_selected)
+		snd_pcm_hw_constraint_mask64(substream->runtime, SNDRV_PCM_HW_PARAM_FORMAT,
+					     SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S32);
+
 	/* binding pcm substream to hda stream */
 	substream->runtime->private_data = &dsp_stream->hstream;
 	return 0;
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index c37ef581637f40..87e31a65b314c0 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -485,9 +485,8 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 {
 	const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
 	struct hdac_bus *bus = sof_to_bus(sdev);
-	struct hdac_stream *hstream = &hext_stream->hstream;
-	int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
-	int ret;
+	struct hdac_stream *hstream;
+	int sd_offset, ret;
 	u32 dma_start = SOF_HDA_SD_CTL_DMA_START;
 	u32 mask;
 	u32 run;
@@ -502,10 +501,14 @@ 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);
+	hstream = &hext_stream->hstream;
+	sd_offset = SOF_STREAM_SD_OFFSET(hstream);
+	mask = BIT(hstream->index);
+
+	/* decouple host and link DMA if the DSP is used */
+	if (!sdev->dspless_mode_selected)
+		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,
@@ -606,11 +609,10 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 	 *    enable decoupled mode
 	 */
 
-	if (chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK) {
+	if (!sdev->dspless_mode_selected && (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);
-	}
 
 	/* program stream format */
 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
@@ -618,11 +620,10 @@ 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 (!sdev->dspless_mode_selected && (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);
-	}
 
 	/* program last valid index */
 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
@@ -675,20 +676,23 @@ 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 (!sdev->dspless_mode_selected) {
+		struct hdac_bus *bus = sof_to_bus(sdev);
+		u32 mask = BIT(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 65389c7278e2ac..a14733aa7a60ff 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -44,6 +44,39 @@
 #define EXCEPT_MAX_HDR_SIZE	0x400
 #define HDA_EXT_ROM_STATUS_SIZE 8
 
+static u32 hda_get_interface_mask(struct snd_sof_dev *sdev)
+{
+	const struct sof_intel_dsp_desc *chip;
+	u32 interface_mask[2] = { 0 };
+
+	chip = get_chip_info(sdev->pdata);
+	switch (chip->hw_ip_version) {
+	case SOF_INTEL_TANGIER:
+	case SOF_INTEL_BAYTRAIL:
+	case SOF_INTEL_BROADWELL:
+		interface_mask[0] =  BIT(SOF_DAI_INTEL_SSP);
+		break;
+	case SOF_INTEL_CAVS_1_5:
+	case SOF_INTEL_CAVS_1_5_PLUS:
+		interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
+				    BIT(SOF_DAI_INTEL_HDA);
+		interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
+		break;
+	case SOF_INTEL_CAVS_1_8:
+	case SOF_INTEL_CAVS_2_0:
+	case SOF_INTEL_CAVS_2_5:
+	case SOF_INTEL_ACE_1_0:
+		interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
+				    BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
+		interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
+		break;
+	default:
+		break;
+	}
+
+	return interface_mask[sdev->dspless_mode_selected];
+}
+
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 
 /*
@@ -845,6 +878,7 @@ static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
 
 static int hda_init_caps(struct snd_sof_dev *sdev)
 {
+	u32 interface_mask = hda_get_interface_mask(sdev);
 	struct hdac_bus *bus = sof_to_bus(sdev);
 	struct snd_sof_pdata *pdata = sdev->pdata;
 	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
@@ -865,6 +899,10 @@ static int hda_init_caps(struct snd_sof_dev *sdev)
 
 	hda_bus_ml_get_capabilities(bus);
 
+	/* Skip SoundWire if it is not supported */
+	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+		goto skip_soundwire;
+
 	/* scan SoundWire capabilities exposed by DSDT */
 	ret = hda_sdw_acpi_scan(sdev);
 	if (ret < 0) {
@@ -1022,6 +1060,9 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
 	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
 #endif
 
+	if (sdev->dspless_mode_selected)
+		hdev->no_ipc_position = 1;
+
 	/* set up HDA base */
 	bus = sof_to_bus(sdev);
 	ret = hda_init(sdev);
@@ -1486,12 +1527,16 @@ void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
 
 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
 {
+	u32 interface_mask = hda_get_interface_mask(sdev);
 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
 	const struct sof_dev_desc *desc = sof_pdata->desc;
-	struct snd_soc_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach = NULL;
 	const char *tplg_filename;
 
-	mach = snd_soc_acpi_find_machine(desc->machines);
+	/* Try I2S or DMIC if it is supported */
+	if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC)))
+		mach = snd_soc_acpi_find_machine(desc->machines);
+
 	if (mach) {
 		bool add_extension = false;
 		bool tplg_fixup = false;
@@ -1598,10 +1643,8 @@ struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
 		}
 	}
 
-	/*
-	 * If I2S fails, try SoundWire
-	 */
-	if (!mach)
+	/* If I2S fails, try SoundWire if it is supported */
+	if (!mach && (interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 		mach = hda_sdw_machine_select(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-cnl.c b/sound/soc/sof/intel/pci-cnl.c
index 8db3f8d15b55e9..d2ae64924b03d9 100644
--- a/sound/soc/sof/intel/pci-cnl.c
+++ b/sound/soc/sof/intel/pci-cnl.c
@@ -30,6 +30,7 @@ static const struct sof_dev_desc cnl_desc = {
 	.chip_info = &cnl_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/cnl",
@@ -61,6 +62,7 @@ static const struct sof_dev_desc cfl_desc = {
 	.chip_info = &cnl_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/cnl",
@@ -93,6 +95,7 @@ static const struct sof_dev_desc cml_desc = {
 	.chip_info = &cnl_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/cnl",
diff --git a/sound/soc/sof/intel/pci-icl.c b/sound/soc/sof/intel/pci-icl.c
index d6cf75e357dbf0..35db593dc18186 100644
--- a/sound/soc/sof/intel/pci-icl.c
+++ b/sound/soc/sof/intel/pci-icl.c
@@ -30,6 +30,7 @@ static const struct sof_dev_desc icl_desc = {
 	.chip_info = &icl_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/icl",
@@ -61,6 +62,7 @@ static const struct sof_dev_desc jsl_desc = {
 	.chip_info = &jsl_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/jsl",
diff --git a/sound/soc/sof/intel/pci-mtl.c b/sound/soc/sof/intel/pci-mtl.c
index 6e4e6d4ef5a564..b6dfdf91d04ec8 100644
--- a/sound/soc/sof/intel/pci-mtl.c
+++ b/sound/soc/sof/intel/pci-mtl.c
@@ -31,6 +31,7 @@ static const struct sof_dev_desc mtl_desc = {
 	.chip_info = &mtl_chip_info,
 	.ipc_supported_mask	= BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_INTEL_IPC4,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_INTEL_IPC4] = "intel/sof-ipc4/mtl",
 	},
diff --git a/sound/soc/sof/intel/pci-skl.c b/sound/soc/sof/intel/pci-skl.c
index 3a99dc444f92ea..369a0d99e19b0b 100644
--- a/sound/soc/sof/intel/pci-skl.c
+++ b/sound/soc/sof/intel/pci-skl.c
@@ -26,6 +26,7 @@ static struct sof_dev_desc skl_desc = {
 	.irqindex_host_ipc	= -1,
 	.ipc_supported_mask	= BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_INTEL_IPC4,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_INTEL_IPC4] = "intel/avs/skl",
 	},
@@ -49,6 +50,7 @@ static struct sof_dev_desc kbl_desc = {
 	.irqindex_host_ipc	= -1,
 	.ipc_supported_mask	= BIT(SOF_INTEL_IPC4),
 	.ipc_default		= SOF_INTEL_IPC4,
+	.dspless_mode_supported	= true,		/* Only supported for HDaudio */
 	.default_fw_path = {
 		[SOF_INTEL_IPC4] = "intel/avs/kbl",
 	},
diff --git a/sound/soc/sof/intel/pci-tgl.c b/sound/soc/sof/intel/pci-tgl.c
index e80c4dfef85a58..52af93e2e9ed3b 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",
@@ -185,6 +190,7 @@ static const struct sof_dev_desc adl_n_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-n",
@@ -216,6 +222,7 @@ 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 +254,7 @@ 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/pcm.c b/sound/soc/sof/pcm.c
index 445acb5c3a21bb..bcafcb9b0a3cdb 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -690,7 +690,6 @@ 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;
 	pd->be_pcm_base = SOF_BE_PCM_BASE;
 	pd->use_dai_pcm_id = true;
 	pd->topology_name_prefix = "sof";
@@ -699,4 +698,11 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
 	pd->module_get_upon_open = 1;
 
 	pd->legacy_dai_naming = 1;
+
+	/*
+	 * The fixup is only needed when the DSP is in use as with the DSPless
+	 * mode we are directly using the audio interface
+	 */
+	if (!sdev->dspless_mode_selected)
+		pd->be_hw_params_fixup = sof_pcm_dai_link_fixup;
 }
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index 8d3383085d12c4..c74ce8d414e71a 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -103,6 +103,11 @@ static int sof_resume(struct device *dev, bool runtime_resume)
 		return ret;
 	}
 
+	if (sdev->dspless_mode_selected) {
+		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
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index ad8cbebf148796..bb2159f09fbc30 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -310,7 +310,7 @@ sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widg
 	struct snd_soc_dapm_path *p;
 
 	/* skip if the widget is in use or if it is already unprepared */
-	if (!swidget->prepared || swidget->use_count > 0)
+	if (!swidget || !swidget->prepared || swidget->use_count > 0)
 		goto sink_unprepare;
 
 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;
@@ -350,7 +350,7 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
 	if (!widget_ops)
 		goto sink_prepare;
 
-	if (!widget_ops[widget->id].ipc_prepare || swidget->prepared)
+	if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)
 		goto sink_prepare;
 
 	/* prepare the source widget */
diff --git a/sound/soc/sof/sof-client.c b/sound/soc/sof/sof-client.c
index 9017f0864cdda3..d6b7caa0cf0317 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 (sdev->dspless_mode_selected)
+		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 5b42a32f874fc6..df7fe0960a614e 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)
@@ -525,6 +526,16 @@ struct snd_sof_dev {
 	spinlock_t ipc_lock;	/* lock for IPC users */
 	spinlock_t hw_lock;	/* lock for HW IO access */
 
+	/*
+	 * When true the DSP is not used.
+	 * It is set under the following condition:
+	 * User sets the SOF_DBG_DSPLESS_MODE flag in sof_debug module parameter
+	 * and
+	 * the platform advertises that it can support such mode
+	 * pdata->desc->dspless_mode_supported is true.
+	 */
+	bool dspless_mode_selected;
+
 	/* Main, Base firmware image */
 	struct sof_firmware basefw;
 
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index a58c8bfcbca420..20cf2893b1d671 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1172,8 +1172,12 @@ static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
 		     int dir)
 {
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 	struct snd_sof_widget *host_widget;
 
+	if (sdev->dspless_mode_selected)
+		return 0;
+
 	host_widget = snd_sof_find_swidget_sname(scomp,
 						 spcm->pcm.caps[dir].name,
 						 dir);
@@ -2290,6 +2294,99 @@ 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 int sof_dspless_link_load(struct snd_soc_component *scomp, int index,
+				 struct snd_soc_dai_link *link,
+				 struct snd_soc_tplg_link_config *cfg)
+{
+	link->platforms->name = dev_name(scomp->dev);
+
+	/* Set nonatomic property for FE dai links for FE-BE compatibility */
+	if (!link->no_pcm)
+		link->nonatomic = true;
+
+	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,
+
+	/* DAI link - used for any driver specific init */
+	.link_load	= sof_dspless_link_load,
+
+	/* 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);
@@ -2307,7 +2404,11 @@ 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 (sdev->dspless_mode_selected)
+		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);