ASoC: rsnd: remove platform boot support from core.c

No board is using Renesas sound driver via platform boot now.
This means all user is using DT boot. Platform boot support is
no longer needed. But, it strongly depends on platform boot style.
This patch removes platform boot support from core.c
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -122,11 +122,6 @@ MODULE_DEVICE_TABLE(of, rsnd_of_match);
 	(!(priv->info->func) ? 0 :		\
 	 priv->info->func(param))
 
-#define rsnd_is_enable_path(io, name) \
-	((io)->info ? (io)->info->name : NULL)
-#define rsnd_info_id(priv, io, name) \
-	((io)->info->name - priv->info->name##_info)
-
 /*
  *	rsnd_mod functions
  */
@@ -573,140 +568,96 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.set_fmt	= rsnd_soc_dai_set_fmt,
 };
 
-#define rsnd_path_add(priv, io, _type)				\
-({								\
-	struct rsnd_mod *mod;					\
-	int ret = 0;						\
-	int id = -1;						\
-								\
-	if (rsnd_is_enable_path(io, _type)) {			\
-		id = rsnd_info_id(priv, io, _type);		\
-		if (id >= 0) {					\
-			mod = rsnd_##_type##_mod_get(priv, id);	\
-			ret = rsnd_dai_connect(mod, io, mod->type);\
-		}						\
-	}							\
-	ret;							\
-})
-
-static int rsnd_path_init(struct rsnd_priv *priv,
-			  struct rsnd_dai *rdai,
-			  struct rsnd_dai_stream *io)
-{
-	int ret;
-
-	/*
-	 * Gen1 is created by SRU/SSI, and this SRU is base module of
-	 * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
-	 *
-	 * Easy image is..
-	 *	Gen1 SRU = Gen2 SCU + SSIU + etc
-	 *
-	 * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
-	 * using fixed path.
-	 */
-
-	/* SSI */
-	ret = rsnd_path_add(priv, io, ssi);
-	if (ret < 0)
-		return ret;
-
-	/* SRC */
-	ret = rsnd_path_add(priv, io, src);
-	if (ret < 0)
-		return ret;
-
-	/* CTU */
-	ret = rsnd_path_add(priv, io, ctu);
-	if (ret < 0)
-		return ret;
-
-	/* MIX */
-	ret = rsnd_path_add(priv, io, mix);
-	if (ret < 0)
-		return ret;
-
-	/* DVC */
-	ret = rsnd_path_add(priv, io, dvc);
-	if (ret < 0)
-		return ret;
-
-	return ret;
-}
-
-static void rsnd_of_parse_dai(struct platform_device *pdev,
+static int rsnd_dai_probe(struct platform_device *pdev,
 			  const struct rsnd_of_data *of_data,
 			  struct rsnd_priv *priv)
 {
-	struct device_node *dai_node,	*dai_np;
-	struct device_node *ssi_node,	*ssi_np;
-	struct device_node *src_node,	*src_np;
-	struct device_node *ctu_node,	*ctu_np;
-	struct device_node *mix_node,	*mix_np;
-	struct device_node *dvc_node,	*dvc_np;
+	struct device_node *dai_node;
+	struct device_node *dai_np, *np, *node;
 	struct device_node *playback, *capture;
-	struct rsnd_dai_platform_info *dai_info;
-	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+	struct rsnd_dai_stream *io_playback;
+	struct rsnd_dai_stream *io_capture;
+	struct snd_soc_dai_driver *drv;
+	struct rsnd_dai *rdai;
 	struct device *dev = &pdev->dev;
-	int nr, i;
-	int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i;
+	int nr, dai_i, io_i, np_i;
+	int ret;
 
 	if (!of_data)
-		return;
-
-	dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai");
-	if (!dai_node)
-		return;
+		return 0;
 
+	dai_node = rsnd_dai_of_node(priv);
 	nr = of_get_child_count(dai_node);
-	if (!nr)
-		return;
-
-	dai_info = devm_kzalloc(dev,
-				sizeof(struct rsnd_dai_platform_info) * nr,
-				GFP_KERNEL);
-	if (!dai_info) {
-		dev_err(dev, "dai info allocation error\n");
-		return;
+	if (!nr) {
+		ret = -EINVAL;
+		goto rsnd_dai_probe_done;
 	}
 
-	info->dai_info_nr	= nr;
-	info->dai_info		= dai_info;
-
-	ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
-	src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
-	ctu_node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu");
-	mix_node = of_get_child_by_name(dev->of_node, "rcar_sound,mix");
-	dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
+	drv  = devm_kzalloc(dev, sizeof(*drv)  * nr, GFP_KERNEL);
+	rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL);
+	if (!drv || !rdai) {
+		ret = -ENOMEM;
+		goto rsnd_dai_probe_done;
+	}
 
-#define mod_parse(name)							\
-if (name##_node) {							\
-	struct rsnd_##name##_platform_info *name##_info;		\
-									\
-	name##_i = 0;							\
-	for_each_child_of_node(name##_node, name##_np) {		\
-		name##_info = info->name##_info + name##_i;		\
-									\
-		if (name##_np == playback)				\
-			dai_info->playback.name = name##_info;		\
-		if (name##_np == capture)				\
-			dai_info->capture.name = name##_info;		\
-									\
-		name##_i++;						\
-	}								\
-}
+	priv->rdai_nr	= nr;
+	priv->daidrv	= drv;
+	priv->rdai	= rdai;
 
 	/*
 	 * parse all dai
 	 */
 	dai_i = 0;
 	for_each_child_of_node(dai_node, dai_np) {
-		dai_info = info->dai_info + dai_i;
+		rdai		= rsnd_rdai_get(priv, dai_i);
+		drv		= drv + dai_i;
+		io_playback	= &rdai->playback;
+		io_capture	= &rdai->capture;
+
+		snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
+
+		rdai->priv	= priv;
+		drv->name	= rdai->name;
+		drv->ops	= &rsnd_soc_dai_ops;
+
+		snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE,
+			 "DAI%d Playback", dai_i);
+		drv->playback.rates		= RSND_RATES;
+		drv->playback.formats		= RSND_FMTS;
+		drv->playback.channels_min	= 2;
+		drv->playback.channels_max	= 2;
+		drv->playback.stream_name	= rdai->playback.name;
+
+		snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE,
+			 "DAI%d Capture", dai_i);
+		drv->capture.rates		= RSND_RATES;
+		drv->capture.formats		= RSND_FMTS;
+		drv->capture.channels_min	= 2;
+		drv->capture.channels_max	= 2;
+		drv->capture.stream_name	= rdai->capture.name;
+
+		rdai->playback.rdai		= rdai;
+		rdai->capture.rdai		= rdai;
 
-		for (i = 0;; i++) {
+#define mod_parse(name)							\
+node = rsnd_##name##_of_node(priv);					\
+if (node) {								\
+	struct rsnd_mod *mod;						\
+	np_i = 0;							\
+	for_each_child_of_node(node, np) {				\
+		mod = rsnd_##name##_mod_get(priv, np_i);		\
+		if (np == playback)					\
+			rsnd_dai_connect(mod, io_playback, mod->type);	\
+		if (np == capture)					\
+			rsnd_dai_connect(mod, io_capture, mod->type);	\
+		np_i++;							\
+	}								\
+	of_node_put(node);						\
+}
 
-			playback = of_parse_phandle(dai_np, "playback", i);
-			capture  = of_parse_phandle(dai_np, "capture", i);
+		for (io_i = 0;; io_i++) {
+			playback = of_parse_phandle(dai_np, "playback", io_i);
+			capture  = of_parse_phandle(dai_np, "capture", io_i);
 
 			if (!playback && !capture)
 				break;
@@ -722,91 +673,18 @@ if (name##_node) {							\
 		}
 
 		dai_i++;
-	}
-}
-
-static int rsnd_dai_probe(struct platform_device *pdev,
-			  const struct rsnd_of_data *of_data,
-			  struct rsnd_priv *priv)
-{
-	struct snd_soc_dai_driver *drv;
-	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
-	struct rsnd_dai *rdai;
-	struct rsnd_ssi_platform_info *pmod, *cmod;
-	struct device *dev = rsnd_priv_to_dev(priv);
-	int dai_nr;
-	int i;
-
-	rsnd_of_parse_dai(pdev, of_data, priv);
 
-	dai_nr = info->dai_info_nr;
-	if (!dai_nr) {
-		dev_err(dev, "no dai\n");
-		return -EIO;
+		dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
+			rsnd_io_to_mod_ssi(io_playback) ? "play"    : " -- ",
+			rsnd_io_to_mod_ssi(io_capture) ? "capture" : "  --   ");
 	}
 
-	drv  = devm_kzalloc(dev, sizeof(*drv)  * dai_nr, GFP_KERNEL);
-	rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL);
-	if (!drv || !rdai) {
-		dev_err(dev, "dai allocate failed\n");
-		return -ENOMEM;
-	}
-
-	priv->rdai_nr	= dai_nr;
-	priv->daidrv	= drv;
-	priv->rdai	= rdai;
-
-	for (i = 0; i < dai_nr; i++) {
-
-		pmod = info->dai_info[i].playback.ssi;
-		cmod = info->dai_info[i].capture.ssi;
+	ret = 0;
 
-		/*
-		 *	init rsnd_dai
-		 */
-		snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i);
-		rdai[i].priv = priv;
+rsnd_dai_probe_done:
+	of_node_put(dai_node);
 
-		/*
-		 *	init snd_soc_dai_driver
-		 */
-		drv[i].name	= rdai[i].name;
-		drv[i].ops	= &rsnd_soc_dai_ops;
-		if (pmod) {
-			snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE,
-				 "DAI%d Playback", i);
-
-			drv[i].playback.rates		= RSND_RATES;
-			drv[i].playback.formats		= RSND_FMTS;
-			drv[i].playback.channels_min	= 2;
-			drv[i].playback.channels_max	= 2;
-			drv[i].playback.stream_name	= rdai[i].playback.name;
-
-			rdai[i].playback.info = &info->dai_info[i].playback;
-			rdai[i].playback.rdai = rdai + i;
-			rsnd_path_init(priv, &rdai[i], &rdai[i].playback);
-		}
-		if (cmod) {
-			snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE,
-				 "DAI%d Capture", i);
-
-			drv[i].capture.rates		= RSND_RATES;
-			drv[i].capture.formats		= RSND_FMTS;
-			drv[i].capture.channels_min	= 2;
-			drv[i].capture.channels_max	= 2;
-			drv[i].capture.stream_name	= rdai[i].capture.name;
-
-			rdai[i].capture.info = &info->dai_info[i].capture;
-			rdai[i].capture.rdai = rdai + i;
-			rsnd_path_init(priv, &rdai[i], &rdai[i].capture);
-		}
-
-		dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name,
-			pmod ? "play"    : " -- ",
-			cmod ? "capture" : "  --   ");
-	}
-
-	return 0;
+	return ret;
 }
 
 /*

sound/soc/sh/rcar/ctu.c

@@ -90,7 +90,7 @@ static void rsnd_of_parse_ctu(struct platform_device *pdev,
 	if (!of_data)
 		return;
 
-	node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu");
+	node = rsnd_ctu_of_node(priv);
 	if (!node)
 		return;
 

sound/soc/sh/rcar/dvc.c

@@ -317,7 +317,7 @@ static void rsnd_of_parse_dvc(struct platform_device *pdev,
 	if (!of_data)
 		return;
 
-	node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
+	node = rsnd_dvc_of_node(priv);
 	if (!node)
 		return;
 

sound/soc/sh/rcar/mix.c

@@ -130,7 +130,7 @@ static void rsnd_of_parse_mix(struct platform_device *pdev,
 	if (!of_data)
 		return;
 
-	node = of_get_child_by_name(dev->of_node, "rcar_sound,mix");
+	node = rsnd_mix_of_node(priv);
 	if (!node)
 		return;
 

sound/soc/sh/rcar/rsnd.h

@@ -338,6 +338,8 @@ int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
 int rsnd_dai_connect(struct rsnd_mod *mod,
 		     struct rsnd_dai_stream *io,
 		     enum rsnd_mod_type type);
+#define rsnd_dai_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dai")
 
 /*
  *	R-Car Gen1/Gen2
@@ -524,6 +526,9 @@ int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
 
+#define rsnd_ssi_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ssi")
+
 /*
  *	R-Car SSIU
  */
@@ -547,6 +552,8 @@ struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
 				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime);
+#define rsnd_src_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
 
 /*
  *	R-Car CTU
@@ -558,6 +565,8 @@ int rsnd_ctu_probe(struct platform_device *pdev,
 void rsnd_ctu_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
+#define rsnd_ctu_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ctu")
 
 /*
  *	R-Car MIX
@@ -569,6 +578,8 @@ int rsnd_mix_probe(struct platform_device *pdev,
 void rsnd_mix_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
+#define rsnd_mix_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,mix")
 
 /*
  *	R-Car DVC
@@ -579,6 +590,8 @@ int rsnd_dvc_probe(struct platform_device *pdev,
 void rsnd_dvc_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
+#define rsnd_dvc_of_node(priv)						\
+	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
 
 /*
  *	R-Car CMD

sound/soc/sh/rcar/src.c

@@ -34,8 +34,6 @@ struct rsnd_src {
 #define rsnd_src_to_dma(src) ((src)->dma)
 #define rsnd_src_nr(priv) ((priv)->src_nr)
 #define rsnd_enable_sync_convert(src) ((src)->sen.val)
-#define rsnd_src_of_node(priv) \
-	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
 
 #define rsnd_mod_to_src(_mod)				\
 	container_of((_mod), struct rsnd_src, mod)

sound/soc/sh/rcar/ssi.c

@@ -88,8 +88,6 @@ struct rsnd_ssi {
 #define rsnd_ssi_mode_flags(p) ((p)->info->flags)
 #define rsnd_ssi_dai_id(ssi) ((ssi)->info->dai_id)
 #define rsnd_ssi_is_parent(ssi, io) ((ssi) == rsnd_io_to_mod_ssip(io))
-#define rsnd_ssi_of_node(priv) \
-	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ssi")
 
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
 {