ASoC: qdsp6: audioreach: add support for MFC Module

Add support to enable and configure Media Format Converter (MFC) Module.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221027102710.21407-9-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/audioreach.c

@@ -159,6 +159,8 @@ struct apm_module_hw_ep_mf_cfg {
 
 #define APM_HW_EP_CFG_PSIZE ALIGN(sizeof(struct apm_module_hw_ep_mf_cfg), 8)
 
+#define APM_MFC_CFG_PSIZE(p, n) ALIGN(struct_size(p, channel_mapping, n), 4)
+
 struct apm_module_frame_size_factor_cfg {
 	struct apm_module_param_data param_data;
 	uint32_t frame_size_factor;
@@ -729,6 +731,53 @@ static int audioreach_sal_set_media_format(struct q6apm_graph *graph,
 	return rc;
 }
 
+static int audioreach_mfc_set_media_format(struct q6apm_graph *graph,
+					   struct audioreach_module *module,
+					   struct audioreach_module_config *cfg)
+{
+	struct apm_module_param_data *param_data;
+	struct param_id_mfc_media_format *media_format;
+	uint32_t num_channels = cfg->num_channels;
+	int payload_size;
+	struct gpr_pkt *pkt;
+	int rc;
+	void *p;
+
+	payload_size = APM_MFC_CFG_PSIZE(media_format, num_channels) +
+		APM_MODULE_PARAM_DATA_SIZE;
+
+	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = p;
+	param_data->module_instance_id = module->instance_id;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_MFC_OUTPUT_MEDIA_FORMAT;
+	param_data->param_size = APM_MFC_CFG_PSIZE(media_format, num_channels);
+	p = p + APM_MODULE_PARAM_DATA_SIZE;
+	media_format = p;
+
+	media_format->sample_rate = cfg->sample_rate;
+	media_format->bit_width = cfg->bit_width;
+	media_format->num_channels = cfg->num_channels;
+
+	if (num_channels == 1) {
+		media_format->channel_mapping[0] = PCM_CHANNEL_L;
+	} else if (num_channels == 2) {
+		media_format->channel_mapping[0] = PCM_CHANNEL_L;
+		media_format->channel_mapping[1] = PCM_CHANNEL_R;
+	}
+
+	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
+
+	kfree(pkt);
+
+	return rc;
+}
+
 static int audioreach_i2s_set_media_format(struct q6apm_graph *graph,
 					   struct audioreach_module *module,
 					   struct audioreach_module_config *cfg)
@@ -1054,7 +1103,9 @@ int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_mod
 		if (!rc)
 			rc = audioreach_sal_limiter_enable(graph, module, true);
 		break;
-
+	case MODULE_ID_MFC:
+		rc = audioreach_mfc_set_media_format(graph, module, cfg);
+		break;
 	default:
 		rc = 0;
 	}

sound/soc/qcom/qdsp6/audioreach.h

@@ -16,6 +16,7 @@ struct q6apm_graph;
 #define MODULE_ID_PCM_ENC		0x07001004
 #define MODULE_ID_PCM_DEC		0x07001005
 #define MODULE_ID_SAL			0x07001010
+#define MODULE_ID_MFC			0x07001015
 #define MODULE_ID_CODEC_DMA_SINK	0x07001023
 #define MODULE_ID_CODEC_DMA_SOURCE	0x07001024
 #define MODULE_ID_I2S_SINK		0x0700100A