ASoC: q6dsp: audioreach: Add placeholder decoder for compress playback

Add placeholder decoder graph module for compressed 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/20230619101653.9750-5-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/audioreach.c

@@ -1140,6 +1140,8 @@ int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_mod
 	case MODULE_ID_PCM_DEC:
 	case MODULE_ID_PCM_ENC:
 	case MODULE_ID_PCM_CNV:
+	case MODULE_ID_PLACEHOLDER_DECODER:
+	case MODULE_ID_PLACEHOLDER_ENCODER:
 		rc = audioreach_pcm_set_media_format(graph, module, cfg);
 		break;
 	case MODULE_ID_DISPLAY_PORT_SINK:

sound/soc/qcom/qdsp6/audioreach.h

@@ -15,6 +15,8 @@ struct q6apm_graph;
 #define MODULE_ID_PCM_CNV		0x07001003
 #define MODULE_ID_PCM_ENC		0x07001004
 #define MODULE_ID_PCM_DEC		0x07001005
+#define MODULE_ID_PLACEHOLDER_ENCODER	0x07001008
+#define MODULE_ID_PLACEHOLDER_DECODER	0x07001009
 #define MODULE_ID_SAL			0x07001010
 #define MODULE_ID_MFC			0x07001015
 #define MODULE_ID_CODEC_DMA_SINK	0x07001023
@@ -22,6 +24,9 @@ struct q6apm_graph;
 #define MODULE_ID_I2S_SINK		0x0700100A
 #define MODULE_ID_I2S_SOURCE		0x0700100B
 #define MODULE_ID_DATA_LOGGING		0x0700101A
+#define MODULE_ID_AAC_DEC		0x0700101F
+#define MODULE_ID_FLAC_DEC		0x0700102F
+#define MODULE_ID_MP3_DECODE		0x0700103B
 #define MODULE_ID_DISPLAY_PORT_SINK	0x07001069
 
 #define APM_CMD_GET_SPF_STATE		0x01001021
@@ -608,6 +613,15 @@ struct param_id_vol_ctrl_master_gain {
 } __packed;
 
 
+#define PARAM_ID_REMOVE_INITIAL_SILENCE		0x0800114B
+#define PARAM_ID_REMOVE_TRAILING_SILENCE	0x0800115D
+
+#define PARAM_ID_REAL_MODULE_ID	0x0800100B
+
+struct param_id_placeholder_real_module_id {
+	uint32_t real_module_id;
+} __packed;
+
 /* Graph */
 struct audioreach_connection {
 	/* Connections */

sound/soc/qcom/qdsp6/q6apm.c

@@ -298,6 +298,71 @@ int q6apm_unmap_memory_regions(struct q6apm_graph *graph, unsigned int dir)
 }
 EXPORT_SYMBOL_GPL(q6apm_unmap_memory_regions);
 
+int q6apm_remove_initial_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples)
+{
+	struct audioreach_module *module;
+
+	module = q6apm_find_module_by_mid(graph, MODULE_ID_PLACEHOLDER_DECODER);
+	if (!module)
+		return -ENODEV;
+
+	return audioreach_send_u32_param(graph, module, PARAM_ID_REMOVE_INITIAL_SILENCE, samples);
+}
+EXPORT_SYMBOL_GPL(q6apm_remove_initial_silence);
+
+int q6apm_remove_trailing_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples)
+{
+	struct audioreach_module *module;
+
+	module = q6apm_find_module_by_mid(graph, MODULE_ID_PLACEHOLDER_DECODER);
+	if (!module)
+		return -ENODEV;
+
+	return audioreach_send_u32_param(graph, module, PARAM_ID_REMOVE_TRAILING_SILENCE, samples);
+}
+EXPORT_SYMBOL_GPL(q6apm_remove_trailing_silence);
+
+int q6apm_enable_compress_module(struct device *dev, struct q6apm_graph *graph, bool en)
+{
+	struct audioreach_module *module;
+
+	module = q6apm_find_module_by_mid(graph, MODULE_ID_PLACEHOLDER_DECODER);
+	if (!module)
+		return -ENODEV;
+
+	return audioreach_send_u32_param(graph, module, PARAM_ID_MODULE_ENABLE, en);
+}
+EXPORT_SYMBOL_GPL(q6apm_enable_compress_module);
+
+int q6apm_set_real_module_id(struct device *dev, struct q6apm_graph *graph,
+			     uint32_t codec_id)
+{
+	struct audioreach_module *module;
+	uint32_t module_id;
+
+	module = q6apm_find_module_by_mid(graph, MODULE_ID_PLACEHOLDER_DECODER);
+	if (!module)
+		return -ENODEV;
+
+	switch (codec_id) {
+	case SND_AUDIOCODEC_MP3:
+		module_id = MODULE_ID_MP3_DECODE;
+		break;
+	case SND_AUDIOCODEC_AAC:
+		module_id = MODULE_ID_AAC_DEC;
+		break;
+	case SND_AUDIOCODEC_FLAC:
+		module_id = MODULE_ID_FLAC_DEC;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return audioreach_send_u32_param(graph, module, PARAM_ID_REAL_MODULE_ID,
+					 module_id);
+}
+EXPORT_SYMBOL_GPL(q6apm_set_real_module_id);
+
 int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, struct audioreach_module_config *cfg)
 {
 	struct audioreach_graph_info *info = graph->info;

sound/soc/qcom/qdsp6/q6apm.h

@@ -147,4 +147,8 @@ int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph);
 
 bool q6apm_is_adsp_ready(void);
 
+int q6apm_enable_compress_module(struct device *dev, struct q6apm_graph *graph, bool en);
+int q6apm_remove_initial_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples);
+int q6apm_remove_trailing_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples);
+int q6apm_set_real_module_id(struct device *dev, struct q6apm_graph *graph, uint32_t codec_id);
 #endif /* __APM_GRAPH_ */