ASoC: q6dsp: audioreach: Add gapless feature support

Add support for setting EOS delay command and receive the
EOS response from ADSP, for seamless compress offload
playback feature.
Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-7-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/audioreach.c

@@ -787,6 +787,14 @@ static int audioreach_module_enable(struct q6apm_graph *graph,
 	return audioreach_send_u32_param(graph, module, PARAM_ID_MODULE_ENABLE, enable);
 }
 
+static int audioreach_gapless_set_media_format(struct q6apm_graph *graph,
+					       struct audioreach_module *module,
+					       struct audioreach_module_config *cfg)
+{
+	return audioreach_send_u32_param(graph, module, PARAM_ID_EARLY_EOS_DELAY,
+					 EARLY_EOS_DELAY_MS);
+}
+
 static int audioreach_mfc_set_media_format(struct q6apm_graph *graph,
 					   struct audioreach_module *module,
 					   struct audioreach_module_config *cfg)
@@ -1270,6 +1278,9 @@ int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_mod
 	case MODULE_ID_MFC:
 		rc = audioreach_mfc_set_media_format(graph, module, cfg);
 		break;
+	case MODULE_ID_GAPLESS:
+		rc = audioreach_gapless_set_media_format(graph, module, cfg);
+		break;
 	default:
 		rc = 0;
 	}

sound/soc/qcom/qdsp6/audioreach.h

@@ -27,6 +27,7 @@ struct q6apm_graph;
 #define MODULE_ID_AAC_DEC		0x0700101F
 #define MODULE_ID_FLAC_DEC		0x0700102F
 #define MODULE_ID_MP3_DECODE		0x0700103B
+#define MODULE_ID_GAPLESS		0x0700104D
 #define MODULE_ID_DISPLAY_PORT_SINK	0x07001069
 
 #define APM_CMD_GET_SPF_STATE		0x01001021
@@ -552,6 +553,8 @@ struct param_id_sal_limiter_enable {
 } __packed;
 
 #define PARAM_ID_MFC_OUTPUT_MEDIA_FORMAT	0x08001024
+#define PARAM_ID_EARLY_EOS_DELAY		0x0800114C
+#define EARLY_EOS_DELAY_MS			150
 
 struct param_id_mfc_media_format {
 	uint32_t sample_rate;
@@ -560,6 +563,10 @@ struct param_id_mfc_media_format {
 	uint16_t channel_mapping[];
 } __packed;
 
+struct param_id_gapless_early_eos_delay_t {
+	uint32_t early_eos_delay_ms;
+} __packed;
+
 struct media_format {
 	uint32_t data_format;
 	uint32_t fmt_id;