ASoC: Intel: Skylake: Add support to configure module params

This adds support to configure module parameter during module
initialization or after module init using set module param
required by the DSP firmware sequence.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-topology.c

@@ -313,6 +313,83 @@ static int skl_tplg_alloc_pipe_widget(struct device *dev,
 	return 0;
 }
 
+/*
+ * some modules can have multiple params set from user control and
+ * need to be set after module is initialized. If set_param flag is
+ * set module params will be done after module is initialised.
+ */
+static int skl_tplg_set_module_params(struct snd_soc_dapm_widget *w,
+						struct skl_sst *ctx)
+{
+	int i, ret;
+	struct skl_module_cfg *mconfig = w->priv;
+	const struct snd_kcontrol_new *k;
+	struct soc_bytes_ext *sb;
+	struct skl_algo_data *bc;
+	struct skl_specific_cfg *sp_cfg;
+
+	if (mconfig->formats_config.caps_size > 0 &&
+		mconfig->formats_config.set_params) {
+		sp_cfg = &mconfig->formats_config;
+		ret = skl_set_module_params(ctx, sp_cfg->caps,
+					sp_cfg->caps_size,
+					sp_cfg->param_id, mconfig);
+		if (ret < 0)
+			return ret;
+	}
+
+	for (i = 0; i < w->num_kcontrols; i++) {
+		k = &w->kcontrol_news[i];
+		if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
+			sb = (void *) k->private_value;
+			bc = (struct skl_algo_data *)sb->dobj.private;
+
+			if (bc->set_params) {
+				ret = skl_set_module_params(ctx,
+						(u32 *)bc->params, bc->max,
+						bc->param_id, mconfig);
+				if (ret < 0)
+					return ret;
+			}
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * some module param can set from user control and this is required as
+ * when module is initailzed. if module param is required in init it is
+ * identifed by set_param flag. if set_param flag is not set, then this
+ * parameter needs to set as part of module init.
+ */
+static int skl_tplg_set_module_init_data(struct snd_soc_dapm_widget *w)
+{
+	const struct snd_kcontrol_new *k;
+	struct soc_bytes_ext *sb;
+	struct skl_algo_data *bc;
+	struct skl_module_cfg *mconfig = w->priv;
+	int i;
+
+	for (i = 0; i < w->num_kcontrols; i++) {
+		k = &w->kcontrol_news[i];
+		if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
+			sb = (struct soc_bytes_ext *)k->private_value;
+			bc = (struct skl_algo_data *)sb->dobj.private;
+
+			if (bc->set_params)
+				continue;
+
+			mconfig->formats_config.caps = (u32 *)&bc->params;
+			mconfig->formats_config.caps_size = bc->max;
+
+			break;
+		}
+	}
+
+	return 0;
+}
+
 /*
  * Inside a pipe instance, we can have various modules. These modules need
  * to instantiated in DSP by invoking INIT_MODULE IPC, which is achieved by
@@ -340,9 +417,15 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
 		 * FE/BE params
 		 */
 		skl_tplg_update_module_params(w, ctx);
+
+		skl_tplg_set_module_init_data(w);
 		ret = skl_init_module(ctx, mconfig);
 		if (ret < 0)
 			return ret;
+
+		ret = skl_tplg_set_module_params(w, ctx);
+		if (ret < 0)
+			return ret;
 	}
 
 	return 0;
@@ -1216,6 +1299,8 @@ static int skl_tplg_widget_load(struct snd_soc_component *cmpnt,
 
 	memcpy(mconfig->formats_config.caps, dfw_config->caps.caps,
 						 dfw_config->caps.caps_size);
+	mconfig->formats_config.param_id = dfw_config->caps.param_id;
+	mconfig->formats_config.set_params = dfw_config->caps.set_params;
 
 bind_event:
 	if (tplg_w->event_type == 0) {

sound/soc/intel/skylake/skl-topology.h

@@ -206,6 +206,8 @@ struct skl_module_pin {
 };
 
 struct skl_specific_cfg {
+	bool set_params;
+	u32 param_id;
 	u32 caps_size;
 	u32 *caps;
 };
@@ -284,6 +286,13 @@ struct skl_module_cfg {
 	struct skl_specific_cfg formats_config;
 };
 
+struct skl_algo_data {
+	u32 param_id;
+	bool set_params;
+	u32 max;
+	char *params;
+};
+
 struct skl_pipeline {
 	struct skl_pipe *pipe;
 	struct list_head node;