ASoc: SOF: misc updates for 6.10

Merge series from Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>:

Fixes when fw_lib_prefix is not set, updated error messages, improved
dmesg logs to SoundWire configurations not supported by ACPI
tables/topology and support for IEC61937 passthrough.

sound/soc/sof/debug.c

@@ -326,8 +326,27 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
 
 	debugfs_create_str("fw_path", 0444, fw_profile,
 			   (char **)&plat_data->fw_filename_prefix);
+	/* library path is not valid for IPC3 */
+	if (plat_data->ipc_type != SOF_IPC_TYPE_3) {
+		/*
+		 * fw_lib_prefix can be NULL if the vendor/platform does not
+		 * support loadable libraries
+		 */
+		if (plat_data->fw_lib_prefix) {
 			debugfs_create_str("fw_lib_path", 0444, fw_profile,
 					   (char **)&plat_data->fw_lib_prefix);
+		} else {
+			static char *fw_lib_path;
+
+			fw_lib_path = devm_kasprintf(sdev->dev, GFP_KERNEL,
+						     "Not supported");
+			if (!fw_lib_path)
+				return -ENOMEM;
+
+			debugfs_create_str("fw_lib_path", 0444, fw_profile,
+					   (char **)&fw_lib_path);
+		}
+	}
 	debugfs_create_str("tplg_path", 0444, fw_profile,
 			   (char **)&plat_data->tplg_filename_prefix);
 	debugfs_create_str("fw_name", 0444, fw_profile,

sound/soc/sof/intel/hda.c

@@ -1645,6 +1645,7 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
 {
 	struct snd_sof_pdata *pdata = sdev->pdata;
 	const struct snd_soc_acpi_link_adr *link;
+	struct sdw_extended_slave_id *ids;
 	struct snd_soc_acpi_mach *mach;
 	struct sof_intel_hda_dev *hdev;
 	u32 link_mask;
@@ -1653,13 +1654,27 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
 	hdev = pdata->hw_pdata;
 	link_mask = hdev->info.link_mask;
 
+	if (!link_mask) {
+		dev_info(sdev->dev, "SoundWire links not enabled\n");
+		return NULL;
+	}
+
+	if (!hdev->sdw) {
+		dev_dbg(sdev->dev, "SoundWire context not allocated\n");
+		return NULL;
+	}
+
+	if (!hdev->sdw->num_slaves) {
+		dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
+		return NULL;
+	}
+
 	/*
 	 * Select SoundWire machine driver if needed using the
 	 * alternate tables. This case deals with SoundWire-only
 	 * machines, for mixed cases with I2C/I2S the detection relies
 	 * on the HID list.
 	 */
-	if (link_mask) {
 	for (mach = pdata->desc->alt_machines;
 	     mach && mach->link_mask; mach++) {
 		/*
@@ -1736,8 +1751,11 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
 		return mach;
 	}
 
-		dev_info(sdev->dev, "No SoundWire machine driver found\n");
-	}
+	dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
+	ids = hdev->sdw->ids;
+	for (i = 0; i < hdev->sdw->num_slaves; i++)
+		dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
+			 ids[i].link_id, ids[i].id.mfg_id, ids[i].id.part_id, ids[i].id.sdw_version);
 
 	return NULL;
 }

sound/soc/sof/ipc4-topology.c

@@ -407,6 +407,52 @@ static void sof_ipc4_widget_update_kcontrol_module_id(struct snd_sof_widget *swi
 	}
 }
 
+static int
+sof_ipc4_update_card_components_string(struct snd_sof_widget *swidget,
+				       struct snd_sof_pcm *spcm, int dir)
+{
+	struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget;
+	struct sof_ipc4_pipeline *pipeline = pipe_widget->private;
+	struct snd_soc_component *scomp = spcm->scomp;
+	struct snd_soc_card *card = scomp->card;
+	const char *pt_marker = "iec61937-pcm";
+
+	/*
+	 * Update the card's components list with iec61937-pcm and a list of PCM
+	 * ids where ChainDMA is enabled.
+	 * These PCMs can be used for bytestream passthrough.
+	 */
+	if (!pipeline->use_chain_dma)
+		return 0;
+
+	if (card->components) {
+		const char *tmp = card->components;
+
+		if (strstr(card->components, pt_marker))
+			card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+							  "%s,%d",
+							  card->components,
+							  spcm->pcm.pcm_id);
+		else
+			card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+							  "%s %s:%d",
+							  card->components,
+							  pt_marker,
+							  spcm->pcm.pcm_id);
+
+		devm_kfree(card->dev, tmp);
+	} else {
+		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+						  "%s:%d", pt_marker,
+						  spcm->pcm.pcm_id);
+	}
+
+	if (!card->components)
+		return -ENOMEM;
+
+	return 0;
+}
+
 static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
 {
 	struct sof_ipc4_available_audio_format *available_fmt;
@@ -452,6 +498,10 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
 	if (!spcm)
 		goto skip_gtw_cfg;
 
+	ret = sof_ipc4_update_card_components_string(swidget, spcm, dir);
+	if (ret)
+		goto free_available_fmt;
+
 	if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
 		struct snd_sof_pcm_stream *sps = &spcm->stream[dir];
 

sound/soc/sof/topology.c

@@ -1531,9 +1531,8 @@ static int sof_widget_ready(struct snd_soc_component *scomp, int index,
 	/* check token parsing reply */
 	if (ret < 0) {
 		dev_err(scomp->dev,
-			"error: failed to add widget id %d type %d name : %s stream %s\n",
-			tw->shift, swidget->id, tw->name,
-			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
+			"failed to add widget type %d name : %s stream %s\n",
+			swidget->id, tw->name, strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
 							? tw->sname : "none");
 		goto widget_free;
 	}