ASoC: Intel: sof-function-topology-lib: add get_function_topology for I2S machines

Add sof_i2s_get_tplg_files() callback for Intel SOF I2S machines.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>

Author: bardliao

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

@@ -261,3 +261,75 @@ int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_
 	return tplg_num;
 }
 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;
+	char *tplg_file;
+	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")) {
+			if (get_ssp_tplg_dev(card->dev, dai_link, &hdmi_in_mask,
+					     &tplg_dev, &tplg_dev_name) < 0)
+				continue;
+		} 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 {
+			/* 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_file = get_tplg_filename(card->dev, prefix, platform, tplg_dev_name,
+					      dai_link->id, tplg_dev);
+		if (!tplg_file)
+			return -ENOMEM;
+
+		/* Check presence of sub-topologies */
+		if (!tplg_files_exist(card->dev, tplg_file)) {
+			devm_kfree(card->dev, tplg_file);
+			if (best_effort)
+				continue;
+
+			return 0;
+		}
+
+		tplg_mask |= BIT(tplg_dev);
+
+		(*tplg_files)[tplg_num] = tplg_file;
+		tplg_num++;
+	}
+
+	dev_dbg(card->dev, "tplg_mask %#lx tplg_num %d\n", tplg_mask, tplg_num);
+
+	return tplg_num;
+}
+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