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File 0041-topology-move-the-topology-element-table-from-builde.patch of Package alsa (Revision 27de3982a69fe8c4175a40c495f09d45)

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From 4f076f5b69a873418ecb826a4198e4d95a3a2a6f Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sun, 15 Dec 2019 16:15:29 +0100
Subject: [PATCH 41/63] topology: move the topology element table from builder
 to elem

- use offsetof() for the lists
- add other info to describe the elements
- use the table in the element constructor

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 src/topology/builder.c    |  98 ++++----------------
 src/topology/ctl.c        |   7 +-
 src/topology/elem.c       | 232 ++++++++++++++++++++++++++++++++--------------
 src/topology/tplg_local.h |  15 +++
 4 files changed, 199 insertions(+), 153 deletions(-)

diff --git a/src/topology/builder.c b/src/topology/builder.c
index 40943b56e4aa..cadb55830809 100644
--- a/src/topology/builder.c
+++ b/src/topology/builder.c
@@ -236,83 +236,20 @@ static ssize_t write_manifest_data(snd_tplg_t *tplg)
 
 int tplg_write_data(snd_tplg_t *tplg)
 {
-	struct wtable {
-		const char *name;
-		struct list_head *list;
-		int type;
-		int tsoc;
-	} *wptr, wtable[] = {
-		{
-			.name = "control mixer",
-			.list = &tplg->mixer_list,
-			.type = SND_TPLG_TYPE_MIXER,
-			.tsoc = SND_SOC_TPLG_TYPE_MIXER,
-		},
-		{
-			.name = "control enum",
-			.list = &tplg->enum_list,
-			.type = SND_TPLG_TYPE_ENUM,
-			.tsoc = SND_SOC_TPLG_TYPE_ENUM,
-		},
-		{
-			.name = "control extended (bytes)",
-			.list = &tplg->bytes_ext_list,
-			.type = SND_TPLG_TYPE_BYTES,
-			.tsoc = SND_SOC_TPLG_TYPE_BYTES,
-		},
-		{
-			.name = "dapm widget",
-			.list = &tplg->widget_list,
-			.type = SND_TPLG_TYPE_DAPM_WIDGET,
-			.tsoc = SND_SOC_TPLG_TYPE_DAPM_WIDGET,
-		},
-		{
-			.name = "pcm",
-			.list = &tplg->pcm_list,
-			.type = SND_TPLG_TYPE_PCM,
-			.tsoc = SND_SOC_TPLG_TYPE_PCM,
-		},
-		{
-			.name = "physical dai",
-			.list = &tplg->dai_list,
-			.type = SND_TPLG_TYPE_DAI,
-			.tsoc = SND_SOC_TPLG_TYPE_DAI,
-		},
-		{
-			.name = "be",
-			.list = &tplg->be_list,
-			.type = SND_TPLG_TYPE_BE,
-			.tsoc = SND_SOC_TPLG_TYPE_BACKEND_LINK,
-		},
-		{
-			.name = "cc",
-			.list = &tplg->cc_list,
-			.type = SND_TPLG_TYPE_CC,
-			.tsoc = SND_SOC_TPLG_TYPE_CODEC_LINK,
-		},
-		{
-			.name = "route (dapm graph)",
-			.list = &tplg->route_list,
-			.type = SND_TPLG_TYPE_DAPM_GRAPH,
-			.tsoc = SND_SOC_TPLG_TYPE_DAPM_GRAPH,
-		},
-		{
-			.name = "private data",
-			.list = &tplg->pdata_list,
-			.type = SND_TPLG_TYPE_DATA,
-			.tsoc = SND_SOC_TPLG_TYPE_PDATA,
-		},
-	};
-
+	struct tplg_table *tptr;
+	struct list_head *list;
 	ssize_t ret;
 	size_t total_size, size;
 	unsigned int index;
 
 	/* calculate total size */
 	total_size = calc_manifest_size(tplg);
-	for (index = 0; index < ARRAY_SIZE(wtable); index++) {
-		wptr = &wtable[index];
-		size = calc_real_size(wptr->list);
+	for (index = 0; index < tplg_table_items; index++) {
+		tptr = &tplg_table[index];
+		if (!tptr->build)
+			continue;
+		list = (struct list_head *)((void *)tplg + tptr->loff);
+		size = calc_real_size(list);
 		total_size += size;
 	}
 
@@ -334,20 +271,23 @@ int tplg_write_data(snd_tplg_t *tplg)
 	}
 
 	/* write all blocks */
-	for (index = 0; index < ARRAY_SIZE(wtable); index++) {
-		wptr = &wtable[index];
+	for (index = 0; index < tplg_table_items; index++) {
+		tptr = &tplg_table[index];
+		if (!tptr->build)
+			continue;
+		list = (struct list_head *)((void *)tplg + tptr->loff);
 		/* calculate the block size in bytes for all elems in this list */
-		size = calc_block_size(wptr->list);
+		size = calc_block_size(list);
 		if (size == 0)
 			continue;
 		verbose(tplg, "block size for type %s (%d:%d) is 0x%zx/%zd\n",
-						wptr->name, wptr->type,
-						wptr->tsoc, size, size);
-		ret = write_elem_block(tplg, wptr->list, size,
-				       wptr->tsoc, wptr->name);
+						tptr->name, tptr->type,
+						tptr->tsoc, size, size);
+		ret = write_elem_block(tplg, list, size,
+				       tptr->tsoc, tptr->name);
 		if (ret < 0) {
 			SNDERR("failed to write %s elements: %s\n",
-						wptr->name, snd_strerror(-ret));
+						tptr->name, snd_strerror(-ret));
 			return ret;
 		}
 	}
diff --git a/src/topology/ctl.c b/src/topology/ctl.c
index 9190efefb575..539329cd661f 100644
--- a/src/topology/ctl.c
+++ b/src/topology/ctl.c
@@ -284,18 +284,13 @@ static int tplg_parse_tlv_dbscale(snd_config_t *cfg, struct tplg_elem *elem)
 {
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
-	struct snd_soc_tplg_ctl_tlv *tplg_tlv;
+	struct snd_soc_tplg_ctl_tlv *tplg_tlv = elem->tlv;
 	struct snd_soc_tplg_tlv_dbscale *scale;
 	const char *id = NULL;
 	int val;
 
 	tplg_dbg(" scale: %s\n", elem->id);
 
-	tplg_tlv = calloc(1, sizeof(*tplg_tlv));
-	if (!tplg_tlv)
-		return -ENOMEM;
-
-	elem->tlv = tplg_tlv;
 	tplg_tlv->size = sizeof(struct snd_soc_tplg_ctl_tlv);
 	tplg_tlv->type = SNDRV_CTL_TLVT_DB_SCALE;
 	scale = &tplg_tlv->scale;
diff --git a/src/topology/elem.c b/src/topology/elem.c
index f2076f7958aa..92ca7da4c4aa 100644
--- a/src/topology/elem.c
+++ b/src/topology/elem.c
@@ -20,6 +20,154 @@
 #include "list.h"
 #include "tplg_local.h"
 
+struct tplg_table tplg_table[] = {
+	{
+		.name  = "manifest",
+		.loff  = offsetof(snd_tplg_t, manifest_list),
+		.type  = SND_TPLG_TYPE_MANIFEST,
+		.tsoc  = SND_SOC_TPLG_TYPE_MANIFEST,
+		.size  = sizeof(struct snd_soc_tplg_manifest),
+		.enew  = 1,
+	},
+	{
+		.name  = "control mixer",
+		.loff  = offsetof(snd_tplg_t, mixer_list),
+		.type  = SND_TPLG_TYPE_MIXER,
+		.tsoc  = SND_SOC_TPLG_TYPE_MIXER,
+		.size  = sizeof(struct snd_soc_tplg_mixer_control),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "control enum",
+		.loff  = offsetof(snd_tplg_t, enum_list),
+		.type  = SND_TPLG_TYPE_ENUM,
+		.tsoc  = SND_SOC_TPLG_TYPE_ENUM,
+		.size  = sizeof(struct snd_soc_tplg_enum_control),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "control extended (bytes)",
+		.loff  = offsetof(snd_tplg_t, bytes_ext_list),
+		.type  = SND_TPLG_TYPE_BYTES,
+		.tsoc  = SND_SOC_TPLG_TYPE_BYTES,
+		.size  = sizeof(struct snd_soc_tplg_bytes_control),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "dapm widget",
+		.loff  = offsetof(snd_tplg_t, widget_list),
+		.type  = SND_TPLG_TYPE_DAPM_WIDGET,
+		.tsoc  = SND_SOC_TPLG_TYPE_DAPM_WIDGET,
+		.size  = sizeof(struct snd_soc_tplg_dapm_widget),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "pcm",
+		.loff  = offsetof(snd_tplg_t, pcm_list),
+		.type  = SND_TPLG_TYPE_PCM,
+		.tsoc  = SND_SOC_TPLG_TYPE_PCM,
+		.size  = sizeof(struct snd_soc_tplg_pcm),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "physical dai",
+		.loff  = offsetof(snd_tplg_t, dai_list),
+		.type  = SND_TPLG_TYPE_DAI,
+		.tsoc  = SND_SOC_TPLG_TYPE_DAI,
+		.size  = sizeof(struct snd_soc_tplg_dai),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "be",
+		.loff  = offsetof(snd_tplg_t, be_list),
+		.type  = SND_TPLG_TYPE_BE,
+		.tsoc  = SND_SOC_TPLG_TYPE_BACKEND_LINK,
+		.size  = sizeof(struct snd_soc_tplg_link_config),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "cc",
+		.loff  = offsetof(snd_tplg_t, cc_list),
+		.type  = SND_TPLG_TYPE_CC,
+		.tsoc  = SND_SOC_TPLG_TYPE_CODEC_LINK,
+		.size  = sizeof(struct snd_soc_tplg_link_config),
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "route (dapm graph)",
+		.loff  = offsetof(snd_tplg_t, route_list),
+		.type  = SND_TPLG_TYPE_DAPM_GRAPH,
+		.tsoc  = SND_SOC_TPLG_TYPE_DAPM_GRAPH,
+		.build = 1,
+	},
+	{
+		.name  = "private data",
+		.loff  = offsetof(snd_tplg_t, pdata_list),
+		.type  = SND_TPLG_TYPE_DATA,
+		.tsoc  = SND_SOC_TPLG_TYPE_PDATA,
+		.build = 1,
+		.enew  = 1,
+	},
+	{
+		.name  = "text",
+		.loff  = offsetof(snd_tplg_t, text_list),
+		.type  = SND_TPLG_TYPE_TEXT,
+		.size  = sizeof(struct tplg_texts),
+		.enew  = 1,
+	},
+	{
+		.name  = "tlv",
+		.loff  = offsetof(snd_tplg_t, tlv_list),
+		.type  = SND_TPLG_TYPE_TLV,
+		.size  = sizeof(struct snd_soc_tplg_ctl_tlv),
+		.enew  = 1,
+	},
+	{
+		.name  = "stream config",
+		.loff  = offsetof(snd_tplg_t, pcm_config_list),
+		.type  = SND_TPLG_TYPE_STREAM_CONFIG,
+		.size  = sizeof(struct snd_soc_tplg_stream),
+		.enew  = 1,
+	},
+	{
+		.name  = "stream capabilities",
+		.loff  = offsetof(snd_tplg_t, pcm_caps_list),
+		.type  = SND_TPLG_TYPE_STREAM_CAPS,
+		.size  = sizeof(struct snd_soc_tplg_stream_caps),
+		.enew  = 1,
+	},
+	{
+		.name  = "token",
+		.loff  = offsetof(snd_tplg_t, token_list),
+		.type  = SND_TPLG_TYPE_TOKEN,
+		.enew  = 1,
+	},
+	{
+		.name  = "tuple",
+		.loff  = offsetof(snd_tplg_t, tuple_list),
+		.type  = SND_TPLG_TYPE_TUPLE,
+		.free  = tplg_free_tuples,
+		.enew  = 1,
+	},
+	{
+		.name  = "hw config",
+		.loff  = offsetof(snd_tplg_t, hw_cfg_list),
+		.type  = SND_TPLG_TYPE_HW_CONFIG,
+		.size  = sizeof(struct snd_soc_tplg_hw_config),
+		.enew  = 1,
+	}
+};
+
+unsigned int tplg_table_items = ARRAY_SIZE(tplg_table);
+
 int tplg_ref_add(struct tplg_elem *elem, int type, const char* id)
 {
 	struct tplg_ref *ref;
@@ -152,9 +300,12 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
 				       const char *name,
 				       enum snd_tplg_type type)
 {
+	struct tplg_table *tptr;
 	struct tplg_elem *elem;
+	struct list_head *list;
 	const char *id;
 	int obj_size = 0;
+	unsigned index;
 	void *obj;
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
@@ -191,79 +342,24 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
 	} else if (name != NULL)
 		snd_strlcpy(elem->id, name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
 
-	switch (type) {
-	case SND_TPLG_TYPE_DATA:
-		tplg_elem_insert(elem, &tplg->pdata_list);
-		break;
-	case SND_TPLG_TYPE_MANIFEST:
-		tplg_elem_insert(elem, &tplg->manifest_list);
-		obj_size = sizeof(struct snd_soc_tplg_manifest);
-		break;
-	case SND_TPLG_TYPE_TEXT:
-		tplg_elem_insert(elem, &tplg->text_list);
-		obj_size = sizeof(struct tplg_texts);
-		break;
-	case SND_TPLG_TYPE_TLV:
-		tplg_elem_insert(elem, &tplg->tlv_list);
-		elem->size = sizeof(struct snd_soc_tplg_ctl_tlv);
-		break;
-	case SND_TPLG_TYPE_BYTES:
-		tplg_elem_insert(elem, &tplg->bytes_ext_list);
-		obj_size = sizeof(struct snd_soc_tplg_bytes_control);
-		break;
-	case SND_TPLG_TYPE_ENUM:
-		tplg_elem_insert(elem, &tplg->enum_list);
-		obj_size = sizeof(struct snd_soc_tplg_enum_control);
-		break;
-	case SND_TPLG_TYPE_MIXER:
-		tplg_elem_insert(elem, &tplg->mixer_list);
-		obj_size = sizeof(struct snd_soc_tplg_mixer_control);
-		break;
-	case SND_TPLG_TYPE_DAPM_WIDGET:
-		tplg_elem_insert(elem, &tplg->widget_list);
-		obj_size = sizeof(struct snd_soc_tplg_dapm_widget);
-		break;
-	case SND_TPLG_TYPE_STREAM_CONFIG:
-		tplg_elem_insert(elem, &tplg->pcm_config_list);
-		obj_size = sizeof(struct snd_soc_tplg_stream);
+	for (index = 0; index < tplg_table_items; index++) {
+		tptr = &tplg_table[index];
+		if (!tptr->enew)
+			continue;
+		if ((int)type != tptr->type)
+			continue;
 		break;
-	case SND_TPLG_TYPE_STREAM_CAPS:
-		tplg_elem_insert(elem, &tplg->pcm_caps_list);
-		obj_size = sizeof(struct snd_soc_tplg_stream_caps);
-		break;
-	case SND_TPLG_TYPE_PCM:
-		tplg_elem_insert(elem, &tplg->pcm_list);
-		obj_size = sizeof(struct snd_soc_tplg_pcm);
-		break;
-	case SND_TPLG_TYPE_DAI:
-		tplg_elem_insert(elem, &tplg->dai_list);
-		obj_size = sizeof(struct snd_soc_tplg_dai);
-		break;
-	case SND_TPLG_TYPE_BE:
-	case SND_TPLG_TYPE_LINK:
-		tplg_elem_insert(elem, &tplg->be_list);
-		obj_size = sizeof(struct snd_soc_tplg_link_config);
-		break;
-	case SND_TPLG_TYPE_CC:
-		tplg_elem_insert(elem, &tplg->cc_list);
-		obj_size = sizeof(struct snd_soc_tplg_link_config);
-		break;
-	case SND_TPLG_TYPE_TOKEN:
-		tplg_elem_insert(elem, &tplg->token_list);
-		break;
-	case SND_TPLG_TYPE_TUPLE:
-		tplg_elem_insert(elem, &tplg->tuple_list);
-		elem->free = tplg_free_tuples;
-		break;
-	case SND_TPLG_TYPE_HW_CONFIG:
-		tplg_elem_insert(elem, &tplg->hw_cfg_list);
-		obj_size = sizeof(struct snd_soc_tplg_hw_config);
-		break;
-	default:
+	}
+	if (index >= tplg_table_items) {
 		free(elem);
 		return NULL;
 	}
 
+	list = (struct list_head *)((void *)tplg + tptr->loff);
+	tplg_elem_insert(elem, list);
+	obj_size = tptr->size;
+	elem->free = tptr->free;
+
 	/* create new object too if required */
 	if (obj_size > 0) {
 		obj = calloc(1, obj_size);
diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h
index 77a681897a85..0987898f8336 100644
--- a/src/topology/tplg_local.h
+++ b/src/topology/tplg_local.h
@@ -196,6 +196,21 @@ struct map_elem {
 	int id;
 };
 
+/* mapping table */
+struct tplg_table {
+	const char *name;
+	off_t loff;
+	size_t size;
+	int type;
+	int tsoc;
+	unsigned build: 1;
+	unsigned enew: 1;
+	void (*free)(void *);
+};
+
+extern struct tplg_table tplg_table[];
+extern unsigned int tplg_table_items;
+
 int tplg_parse_compound(snd_tplg_t *tplg, snd_config_t *cfg,
 	int (*fcn)(snd_tplg_t *, snd_config_t *, void *),
 	void *private);
-- 
2.16.4

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File 0041-topology-move-the-topology-element-table-from-builde.patch of Package alsa (Revision 27de3982a69fe8c4175a40c495f09d45)

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