ASoC: SOF: amd: add ACP7x I2S DAI type and topology support

Add SOF_DAI_AMD_I2S DAI type for ACP7.B/7.F I2S/TDM interfaces.
Register ACPTDM DAI name in topology and SOF_ACPI2S_TOKENS as the
token group. Add sof_link_acp_i2s_load() IPC3 topology loader and
SOF_DAI_AMD_I2S case for PCM dai link fixup.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

Author: vijendarmukunda

include/sound/sof/dai.h

@@ -91,6 +91,7 @@ enum sof_ipc_dai_type {
 	SOF_DAI_IMX_MICFIL,		/** < i.MX MICFIL PDM */
 	SOF_DAI_AMD_SDW,		/**< AMD ACP SDW */
 	SOF_DAI_INTEL_UAOL,		/**< Intel UAOL */
+	SOF_DAI_AMD_I2S,		/**< AMD ACP I2S */
 };
 
 /* general purpose DAI configuration */
@@ -122,6 +123,7 @@ struct sof_ipc_dai_config {
 		struct sof_ipc_dai_mtk_afe_params afe;
 		struct sof_ipc_dai_micfil_params micfil;
 		struct sof_ipc_dai_acp_sdw_params acp_sdw;
+		struct sof_ipc_dai_acp_params acp_i2s;
 	};
 } __packed;
 

sound/soc/sof/ipc3-pcm.c

@@ -421,6 +421,12 @@ static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
 		dev_dbg(component->dev, "AMD_SDW channels_min: %d channels_max: %d\n",
 			channels->min, channels->max);
 		break;
+	case SOF_DAI_AMD_I2S:
+		rate->min = private->dai_config->acp_i2s.fsync_rate;
+		rate->max = private->dai_config->acp_i2s.fsync_rate;
+		channels->min = private->dai_config->acp_i2s.tdm_slots;
+		channels->max = private->dai_config->acp_i2s.tdm_slots;
+		break;
 	default:
 		dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
 		break;

sound/soc/sof/ipc3-topology.c

@@ -1365,6 +1365,35 @@ static int sof_link_acp_sdw_load(struct snd_soc_component *scomp, struct snd_sof
 	return 0;
 }
 
+static int sof_link_acp_i2s_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink,
+				 struct sof_ipc_dai_config *config, struct snd_sof_dai *dai)
+{
+	struct snd_soc_tplg_hw_config *hw_config = slink->hw_configs;
+	struct sof_dai_private_data *private = dai->private;
+	u32 size = sizeof(*config);
+	int ret;
+
+	/* handle master/slave and inverted clocks */
+	sof_dai_set_format(hw_config, config);
+
+	/* init IPC */
+	memset(&config->acp_i2s, 0, sizeof(config->acp_i2s));
+	config->hdr.size = size;
+
+	ret = sof_update_ipc_object(scomp, &config->acp_i2s, SOF_ACPI2S_TOKENS, slink->tuples,
+				    slink->num_tuples, size, slink->num_hw_configs);
+	if (ret < 0)
+		return ret;
+
+	dai->number_configs = 1;
+	dai->current_config = 0;
+	private->dai_config = kmemdup(config, size, GFP_KERNEL);
+	if (!private->dai_config)
+		return -ENOMEM;
+
+	return 0;
+}
+
 static int sof_link_afe_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink,
 			     struct sof_ipc_dai_config *config, struct snd_sof_dai *dai)
 {
@@ -1694,6 +1723,9 @@ static int sof_ipc3_widget_setup_comp_dai(struct snd_sof_widget *swidget)
 		case SOF_DAI_AMD_SDW:
 			ret = sof_link_acp_sdw_load(scomp, slink, config, dai);
 			break;
+		case SOF_DAI_AMD_I2S:
+			ret = sof_link_acp_i2s_load(scomp, slink, config, dai);
+			break;
 		default:
 			break;
 		}

sound/soc/sof/topology.c

@@ -309,7 +309,7 @@ static const struct sof_dai_types sof_dais[] = {
 	{"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL},
 	{"MICFIL", SOF_DAI_IMX_MICFIL},
 	{"ACP_SDW", SOF_DAI_AMD_SDW},
-
+	{"ACPTDM", SOF_DAI_AMD_I2S},
 };
 
 static enum sof_ipc_dai_type find_dai(const char *name)
@@ -1992,6 +1992,7 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
 	case SOF_DAI_AMD_HS:
 	case SOF_DAI_AMD_SP_VIRTUAL:
 	case SOF_DAI_AMD_HS_VIRTUAL:
+	case SOF_DAI_AMD_I2S:
 		token_id = SOF_ACPI2S_TOKENS;
 		num_tuples += token_list[SOF_ACPI2S_TOKENS].count;
 		break;