ASoC: Intel: avs: Parse pplcfg and binding tuples

Path in ADSP firmware is represented by one or more pipelines. Just like
modules, these are described by a config structure. Add parsing helpers
to support loading such information from the topology file.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220331135246.993089-5-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/avs/topology.c

@@ -345,6 +345,8 @@ avs_parse_##name##_ptr(struct snd_soc_component *comp, void *elem, void *object,
 AVS_DEFINE_PTR_PARSER(audio_format, struct avs_audio_format, fmts);
 AVS_DEFINE_PTR_PARSER(modcfg_base, struct avs_tplg_modcfg_base, modcfgs_base);
 AVS_DEFINE_PTR_PARSER(modcfg_ext, struct avs_tplg_modcfg_ext, modcfgs_ext);
+AVS_DEFINE_PTR_PARSER(pplcfg, struct avs_tplg_pplcfg, pplcfgs);
+AVS_DEFINE_PTR_PARSER(binding, struct avs_tplg_binding, bindings);
 
 static int
 parse_audio_format_bitfield(struct snd_soc_component *comp, void *elem, void *object, u32 offset)
@@ -890,3 +892,115 @@ static int avs_tplg_parse_modcfgs_ext(struct snd_soc_component *comp,
 
 	return 0;
 }
+
+static const struct avs_tplg_token_parser pplcfg_parsers[] = {
+	{
+		.token = AVS_TKN_PPLCFG_REQ_SIZE_U16,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_SHORT,
+		.offset = offsetof(struct avs_tplg_pplcfg, req_size),
+		.parse = avs_parse_short_token,
+	},
+	{
+		.token = AVS_TKN_PPLCFG_PRIORITY_U8,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_BYTE,
+		.offset = offsetof(struct avs_tplg_pplcfg, priority),
+		.parse = avs_parse_byte_token,
+	},
+	{
+		.token = AVS_TKN_PPLCFG_LOW_POWER_BOOL,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_BOOL,
+		.offset = offsetof(struct avs_tplg_pplcfg, lp),
+		.parse = avs_parse_bool_token,
+	},
+	{
+		.token = AVS_TKN_PPLCFG_ATTRIBUTES_U16,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_SHORT,
+		.offset = offsetof(struct avs_tplg_pplcfg, attributes),
+		.parse = avs_parse_short_token,
+	},
+	{
+		.token = AVS_TKN_PPLCFG_TRIGGER_U32,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_WORD,
+		.offset = offsetof(struct avs_tplg_pplcfg, trigger),
+		.parse = avs_parse_word_token,
+	},
+};
+
+static int avs_tplg_parse_pplcfgs(struct snd_soc_component *comp,
+				  struct snd_soc_tplg_vendor_array *tuples,
+				  u32 block_size)
+{
+	struct avs_soc_component *acomp = to_avs_soc_component(comp);
+	struct avs_tplg *tplg = acomp->tplg;
+
+	return parse_dictionary(comp, tuples, block_size, (void **)&tplg->pplcfgs,
+				&tplg->num_pplcfgs, sizeof(*tplg->pplcfgs),
+				AVS_TKN_MANIFEST_NUM_PPLCFGS_U32,
+				AVS_TKN_PPLCFG_ID_U32,
+				pplcfg_parsers, ARRAY_SIZE(pplcfg_parsers));
+}
+
+static const struct avs_tplg_token_parser binding_parsers[] = {
+	{
+		.token = AVS_TKN_BINDING_TARGET_TPLG_NAME_STRING,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_STRING,
+		.offset = offsetof(struct avs_tplg_binding, target_tplg_name),
+		.parse = parse_link_formatted_string,
+	},
+	{
+		.token = AVS_TKN_BINDING_TARGET_PATH_TMPL_ID_U32,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_WORD,
+		.offset = offsetof(struct avs_tplg_binding, target_path_tmpl_id),
+		.parse = avs_parse_word_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_TARGET_PPL_ID_U32,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_WORD,
+		.offset = offsetof(struct avs_tplg_binding, target_ppl_id),
+		.parse = avs_parse_word_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_TARGET_MOD_ID_U32,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_WORD,
+		.offset = offsetof(struct avs_tplg_binding, target_mod_id),
+		.parse = avs_parse_word_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_TARGET_MOD_PIN_U8,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_BYTE,
+		.offset = offsetof(struct avs_tplg_binding, target_mod_pin),
+		.parse = avs_parse_byte_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_MOD_ID_U32,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_WORD,
+		.offset = offsetof(struct avs_tplg_binding, mod_id),
+		.parse = avs_parse_word_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_MOD_PIN_U8,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_BYTE,
+		.offset = offsetof(struct avs_tplg_binding, mod_pin),
+		.parse = avs_parse_byte_token,
+	},
+	{
+		.token = AVS_TKN_BINDING_IS_SINK_U8,
+		.type = SND_SOC_TPLG_TUPLE_TYPE_BYTE,
+		.offset = offsetof(struct avs_tplg_binding, is_sink),
+		.parse = avs_parse_byte_token,
+	},
+};
+
+static int avs_tplg_parse_bindings(struct snd_soc_component *comp,
+				   struct snd_soc_tplg_vendor_array *tuples,
+				   u32 block_size)
+{
+	struct avs_soc_component *acomp = to_avs_soc_component(comp);
+	struct avs_tplg *tplg = acomp->tplg;
+
+	return parse_dictionary(comp, tuples, block_size, (void **)&tplg->bindings,
+				&tplg->num_bindings, sizeof(*tplg->bindings),
+				AVS_TKN_MANIFEST_NUM_BINDINGS_U32,
+				AVS_TKN_BINDING_ID_U32,
+				binding_parsers, ARRAY_SIZE(binding_parsers));
+}

sound/soc/intel/avs/topology.h

@@ -29,6 +29,10 @@ struct avs_tplg {
 	u32 num_modcfgs_base;
 	struct avs_tplg_modcfg_ext *modcfgs_ext;
 	u32 num_modcfgs_ext;
+	struct avs_tplg_pplcfg *pplcfgs;
+	u32 num_pplcfgs;
+	struct avs_tplg_binding *bindings;
+	u32 num_bindings;
 };
 
 struct avs_tplg_library {
@@ -100,4 +104,28 @@ struct avs_tplg_modcfg_ext {
 	};
 };
 
+/* Specifies path behaviour during PCM ->trigger(START) command. */
+enum avs_tplg_trigger {
+	AVS_TPLG_TRIGGER_AUTO = 0,
+};
+
+struct avs_tplg_pplcfg {
+	u16 req_size;
+	u8 priority;
+	bool lp;
+	u16 attributes;
+	enum avs_tplg_trigger trigger;
+};
+
+struct avs_tplg_binding {
+	char target_tplg_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+	u32 target_path_tmpl_id;
+	u32 target_ppl_id;
+	u32 target_mod_id;
+	u8 target_mod_pin;
+	u32 mod_id;
+	u8 mod_pin;
+	u8 is_sink;
+};
+
 #endif