ASoC: Intel: add I2S function topology support

sound/hda/core/intel-nhlt.c

@@ -351,7 +351,7 @@ int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt,
 	int i;
 
 	if (!nhlt) {
-		dev_err(dev, "%s: NHLT table is missing (query for SSP%d)\n",
+		dev_dbg(dev, "%s: NHLT table is missing (query for SSP%d)\n",
 			__func__, virtual_bus_id);
 		return -EINVAL;
 	}
@@ -369,7 +369,7 @@ int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt,
 		epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
 	}
 
-	dev_err(dev, "%s: No match for SSP%d in NHLT table\n", __func__,
+	dev_dbg(dev, "%s: No match for SSP%d in NHLT table\n", __func__,
 		virtual_bus_id);
 
 	dev_dbg(dev, "Available endpoints:\n");

sound/soc/intel/common/soc-acpi-intel-ptl-match.c

@@ -51,12 +51,14 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_ptl_machines[] = {
 		.drv_name = "ptl_es83x6_c1_h02",
 		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &ptl_lt6911_hdmi,
+		.get_function_tplg_files = sof_i2s_get_tplg_files,
 		.sof_tplg_filename = "sof-ptl-es83x6-ssp1-hdmi-ssp02.tplg",
 	},
 	{
 		.comp_ids = &ptl_essx_83x6,
 		.drv_name = "sof-essx8336",
 		.sof_tplg_filename = "sof-ptl-es8336", /* the tplg suffix is added at run time */
+		.get_function_tplg_files = sof_i2s_get_tplg_files,
 		.tplg_quirk_mask = SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER |
 					SND_SOC_ACPI_TPLG_INTEL_SSP_MSB |
 					SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER,

sound/soc/intel/common/sof-function-topology-lib.c

@@ -19,6 +19,10 @@ enum tplg_device_id {
 	TPLG_DEVICE_SDCA_MIC,
 	TPLG_DEVICE_INTEL_PCH_DMIC,
 	TPLG_DEVICE_HDMI,
+	TPLG_DEVICE_SSP_JACK,
+	TPLG_DEVICE_SSP_AMP,
+	TPLG_DEVICE_SSP_BT,
+	TPLG_DEVICE_SSP_HDMI_IN,
 	TPLG_DEVICE_MAX
 };
 
@@ -27,25 +31,155 @@ enum tplg_device_id {
 
 #define SOF_INTEL_PLATFORM_NAME_MAX 4
 
+static int get_platform_name(struct snd_soc_card *card,
+			     const struct snd_soc_acpi_mach *mach, char *platform)
+{
+	int ret;
+
+	ret = sscanf(mach->sof_tplg_filename, "sof-%3s-*.tplg", platform);
+	if (ret != 1) {
+		dev_err(card->dev, "Invalid platform name %s of tplg %s\n",
+			platform, mach->sof_tplg_filename);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static bool all_tplg_files_exist(struct device *dev, const char ***tplg_files, int tplg_num)
+{
+	const struct firmware *fw;
+	int ret;
+	int i;
+
+	for (i = 0; i < tplg_num; i++) {
+		ret = firmware_request_nowarn(&fw, (*tplg_files)[i], dev);
+		if (!ret) {
+			release_firmware(fw);
+		} else {
+			dev_warn(dev,
+				 "Failed to open topology file: %s, you might need to\n",
+				 (*tplg_files)[i]);
+			dev_warn(dev,
+				 "download it from https://github.com/thesofproject/sof-bin/\n");
+			return false;
+		}
+	}
+
+	return true;
+}
+
+static char *get_tplg_filename(struct device *dev, const char *prefix,
+			       const char *platform, const char *tplg_dev_name,
+			       int dai_link_id, int tplg_dev)
+{
+	char *filename = NULL;
+
+	/*
+	 * The tplg file naming rule is sof-<platform>-<function>-id<BE id number>.tplg
+	 * where <platform> is only required for the devices that need NHLT blob like DMIC
+	 * as the nhlt blob is platform dependent.
+	 */
+	switch (tplg_dev) {
+	case TPLG_DEVICE_INTEL_PCH_DMIC:
+	case TPLG_DEVICE_SSP_JACK:
+	case TPLG_DEVICE_SSP_AMP:
+	case TPLG_DEVICE_SSP_BT:
+	case TPLG_DEVICE_SSP_HDMI_IN:
+		filename = devm_kasprintf(dev, GFP_KERNEL, "%s/sof-%s-%s-id%d.tplg",
+					  prefix, platform, tplg_dev_name, dai_link_id);
+		break;
+	default:
+		filename = devm_kasprintf(dev, GFP_KERNEL, "%s/sof-%s-id%d.tplg",
+					  prefix, tplg_dev_name, dai_link_id);
+		break;
+	}
+
+	return filename;
+}
+
+static int get_dmic_tplg_dev(struct device *dev, int dmic_num,
+			     int *tplg_dev, char **tplg_dev_name)
+{
+	switch (dmic_num) {
+	case 2:
+		*tplg_dev_name = "dmic-2ch";
+		break;
+	case 4:
+		*tplg_dev_name = "dmic-4ch";
+		break;
+	default:
+		dev_warn(dev,
+			 "unsupported number of dmics: %d\n",
+			 dmic_num);
+		return -EINVAL;
+	}
+	*tplg_dev = TPLG_DEVICE_INTEL_PCH_DMIC;
+
+	return 0;
+}
+
+static int get_ssp_tplg_dev(struct device *dev, struct snd_soc_dai_link *dai_link,
+			    u16 *hdmi_in_mask, int *tplg_dev, char **tplg_dev_name)
+{
+	unsigned int ssp_port;
+
+	if (sscanf(dai_link->name, "SSP%d", &ssp_port) != 1) {
+		dev_err(dev, "Invalid SSP port %d\n", ssp_port);
+		return -EINVAL;
+	}
+	if (strstr(dai_link->name, "Codec")) {
+		/*
+		 * Assume DAI link 0 is jack which is true in all existing
+		 * machine drivers
+		 */
+		if (dai_link->id == 0) {
+			*tplg_dev = TPLG_DEVICE_SSP_JACK;
+			*tplg_dev_name = devm_kasprintf(dev, GFP_KERNEL,
+						       "ssp%d-jack", ssp_port);
+		} else {
+			*tplg_dev = TPLG_DEVICE_SSP_AMP;
+			*tplg_dev_name = devm_kasprintf(dev, GFP_KERNEL,
+						       "ssp%d-amp", ssp_port);
+		}
+	} else if (strstr(dai_link->name, "BT")) {
+		*tplg_dev = TPLG_DEVICE_SSP_BT;
+		*tplg_dev_name = devm_kasprintf(dev, GFP_KERNEL,
+					       "ssp%d-bt", ssp_port);
+	} else if (strstr(dai_link->name, "HDMI")) {
+		*hdmi_in_mask |= BIT(ssp_port);
+		/* The number of HDMI in dai link is always 2 right now */
+		if (hweight16(*hdmi_in_mask) != 2)
+			return -EINVAL;
+
+		*tplg_dev = TPLG_DEVICE_SSP_HDMI_IN;
+		*tplg_dev_name = devm_kasprintf(dev, GFP_KERNEL,
+					       "ssp%x-hdmiin", *hdmi_in_mask);
+	} else {
+		dev_warn(dev,
+			 "unsupported SSP link %s\n", dai_link->name);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
 			   const char *prefix, const char ***tplg_files, bool best_effort)
 {
 	struct snd_soc_acpi_mach_params mach_params = mach->mach_params;
 	struct snd_soc_dai_link *dai_link;
-	const struct firmware *fw;
 	char platform[SOF_INTEL_PLATFORM_NAME_MAX];
 	unsigned long tplg_mask = 0;
+	u16 hdmi_in_mask = 0;
 	int tplg_num = 0;
 	int tplg_dev;
 	int ret;
 	int i;
 
-	ret = sscanf(mach->sof_tplg_filename, "sof-%3s-*.tplg", platform);
-	if (ret != 1) {
-		dev_err(card->dev, "Invalid platform name %s of tplg %s\n",
-			platform, mach->sof_tplg_filename);
-		return -EINVAL;
-	}
+	ret = get_platform_name(card, mach, platform);
+	if (ret < 0)
+		return ret;
 
 	for_each_card_prelinks(card, i, dai_link) {
 		char *tplg_dev_name;
@@ -63,6 +197,111 @@ int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_
 		} else if (strstr(dai_link->name, "SmartMic")) {
 			tplg_dev = TPLG_DEVICE_SDCA_MIC;
 			tplg_dev_name = "sdca-mic";
+		} else if (strstr(dai_link->name, "dmic")) {
+			if (get_dmic_tplg_dev(card->dev, mach_params.dmic_num,
+					      &tplg_dev, &tplg_dev_name) < 0)
+				continue;
+		} else if (strstr(dai_link->name, "iDisp")) {
+			tplg_dev = TPLG_DEVICE_HDMI;
+			tplg_dev_name = "hdmi-pcm5";
+		} else if (strstr(dai_link->name, "SSP")) {
+			if (get_ssp_tplg_dev(card->dev, dai_link, &hdmi_in_mask,
+					     &tplg_dev, &tplg_dev_name) < 0)
+				continue;
+		} else {
+			/* The dai link is not supported by separated tplg yet */
+			dev_dbg(card->dev,
+				"dai_link %s is not supported by separated tplg yet\n",
+				dai_link->name);
+			if (best_effort)
+				continue;
+
+			return 0;
+		}
+		if (tplg_mask & BIT(tplg_dev))
+			continue;
+
+		tplg_mask |= BIT(tplg_dev);
+
+		(*tplg_files)[tplg_num] = get_tplg_filename(card->dev, prefix, platform,
+							    tplg_dev_name, dai_link->id,
+							    tplg_dev);
+		if (!(*tplg_files)[tplg_num])
+			return -ENOMEM;
+		tplg_num++;
+	}
+
+	dev_dbg(card->dev, "tplg_mask %#lx tplg_num %d\n", tplg_mask, tplg_num);
+
+	/* Check presence of sub-topologies */
+	if (all_tplg_files_exist(card->dev, tplg_files, tplg_num))
+		return tplg_num;
+
+	/* return 0 to use monolithic topology */
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sof_sdw_get_tplg_files);
+
+int sof_i2s_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
+			   const char *prefix, const char ***tplg_files, bool best_effort)
+{
+	struct snd_soc_acpi_mach_params mach_params = mach->mach_params;
+	struct snd_soc_dai_link *dai_link;
+	char platform[SOF_INTEL_PLATFORM_NAME_MAX];
+	unsigned long tplg_mask = 0;
+	u16 hdmi_in_mask = 0;
+	int tplg_num = 0;
+	int tplg_dev;
+	int ret;
+	int i;
+
+	ret = get_platform_name(card, mach, platform);
+	if (ret < 0)
+		return ret;
+
+	for_each_card_prelinks(card, i, dai_link) {
+		char *tplg_dev_name;
+
+		dev_dbg(card->dev, "dai_link %s id %d\n", dai_link->name, dai_link->id);
+		if (strstr(dai_link->name, "SSP")) {
+			unsigned int ssp_port;
+
+			if (sscanf(dai_link->name, "SSP%d", &ssp_port) != 1) {
+				dev_err(card->dev, "Invalid SSP port %d\n", ssp_port);
+				return -EINVAL;
+			}
+			if (strstr(dai_link->name, "Codec")) {
+				/*
+				 * Assume DAI link 0 is jack which is true in all existing
+				 * machine driver
+				 */
+				if (dai_link->id == 0) {
+					tplg_dev = TPLG_DEVICE_SSP_JACK;
+					tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL,
+								       "ssp%d-jack", ssp_port);
+				} else {
+					tplg_dev = TPLG_DEVICE_SSP_AMP;
+					tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL,
+								       "ssp%d-amp", ssp_port);
+				}
+			} else if (strstr(dai_link->name, "BT")) {
+				tplg_dev = TPLG_DEVICE_SSP_BT;
+				tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL,
+							       "ssp%d-bt", ssp_port);
+			} else if (strstr(dai_link->name, "HDMI")) {
+				hdmi_in_mask |= BIT(ssp_port);
+				/* The number of HDMI in dai link is always 2 right now */
+				if (hweight16(hdmi_in_mask) != 2)
+				    continue;
+
+				tplg_dev = TPLG_DEVICE_SSP_HDMI_IN;
+				tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL,
+							       "ssp%x-hdmiin", hdmi_in_mask);
+			} else {
+				dev_warn(card->dev,
+					 "unsupported SSP link %s\n", dai_link->name);
+				continue;
+			}
 		} else if (strstr(dai_link->name, "dmic")) {
 			switch (mach_params.dmic_num) {
 			case 2:
@@ -81,7 +320,6 @@ int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_
 		} else if (strstr(dai_link->name, "iDisp")) {
 			tplg_dev = TPLG_DEVICE_HDMI;
 			tplg_dev_name = "hdmi-pcm5";
-
 		} else {
 			/* The dai link is not supported by separated tplg yet */
 			dev_dbg(card->dev,
@@ -97,25 +335,9 @@ int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_
 
 		tplg_mask |= BIT(tplg_dev);
 
-		/*
-		 * The tplg file naming rule is sof-<platform>-<function>-id<BE id number>.tplg
-		 * where <platform> is only required for the DMIC function as the nhlt blob
-		 * is platform dependent.
-		 */
-		switch (tplg_dev) {
-		case TPLG_DEVICE_INTEL_PCH_DMIC:
-			(*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL,
-								 "%s/sof-%s-%s-id%d.tplg",
-								 prefix, platform,
-								 tplg_dev_name, dai_link->id);
-			break;
-		default:
-			(*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL,
-								 "%s/sof-%s-id%d.tplg",
-								 prefix, tplg_dev_name,
-								 dai_link->id);
-			break;
-		}
+		(*tplg_files)[tplg_num] = get_tplg_filename(card->dev, prefix, platform,
+							    tplg_dev_name, dai_link->id,
+							    tplg_dev);
 		if (!(*tplg_files)[tplg_num])
 			return -ENOMEM;
 		tplg_num++;
@@ -124,20 +346,10 @@ int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_
 	dev_dbg(card->dev, "tplg_mask %#lx tplg_num %d\n", tplg_mask, tplg_num);
 
 	/* Check presence of sub-topologies */
-	for (i = 0; i < tplg_num; i++) {
-		ret = firmware_request_nowarn(&fw, (*tplg_files)[i], card->dev);
-		if (!ret) {
-			release_firmware(fw);
-		} else {
-			dev_warn(card->dev,
-				 "Failed to open topology file: %s, you might need to\n",
-				 (*tplg_files)[i]);
-			dev_warn(card->dev,
-				 "download it from https://github.com/thesofproject/sof-bin/\n");
-			return 0;
-		}
-	}
+	if (all_tplg_files_exist(card->dev, tplg_files, tplg_num))
+		return tplg_num;
 
-	return tplg_num;
+	/* return 0 to use monolithic topology */
+	return 0;
 }
-EXPORT_SYMBOL_GPL(sof_sdw_get_tplg_files);
+EXPORT_SYMBOL_GPL(sof_i2s_get_tplg_files);

sound/soc/intel/common/sof-function-topology-lib.h

@@ -12,4 +12,7 @@
 int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
 			   const char *prefix, const char ***tplg_files, bool best_effort);
 
+int sof_i2s_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach,
+			   const char *prefix, const char ***tplg_files, bool best_effort);
+
 #endif