11 files changed, 858 insertions, 198 deletions

diff --git a/sound/soc/sh/rcar/Makefile b/sound/soc/sh/rcar/Makefile
index f1b4451..8b25850 100644
--- a/sound/soc/sh/rcar/Makefile
+++ b/sound/soc/sh/rcar/Makefile
@@ -1,4 +1,4 @@
-snd-soc-rcar-objs	:= core.o gen.o dma.o src.o adg.o ssi.o dvc.o
+snd-soc-rcar-objs	:= core.o gen.o dma.o adg.o ssi.o src.o ctu.o mix.o dvc.o
 obj-$(CONFIG_SND_SOC_RCAR)	+= snd-soc-rcar.o
 
 snd-soc-rsrc-card-objs	:= rsrc-card.o
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index f1e5920..f3feed5 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -203,9 +203,9 @@ int rsnd_io_is_working(struct rsnd_dai_stream *io)
 }
 
 /*
- *	settting function
+ *	ADINR function
  */
-u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
+u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
 {
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
 	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
@@ -227,6 +227,64 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
 	return adinr;
 }
 
+u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
+{
+	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	u32 chan = runtime->channels;
+
+	switch (chan) {
+	case 1:
+	case 2:
+	case 4:
+	case 6:
+	case 8:
+		break;
+	default:
+		dev_warn(dev, "not supported channel\n");
+		chan = 0;
+		break;
+	}
+
+	return chan;
+}
+
+/*
+ *	DALIGN function
+ */
+u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
+{
+	struct rsnd_mod *src = rsnd_io_to_mod_src(io);
+	struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
+	struct rsnd_mod *target = src ? src : ssi;
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+	u32 val = 0x76543210;
+	u32 mask = ~0;
+
+	mask <<= runtime->channels * 4;
+	val = val & mask;
+
+	switch (runtime->sample_bits) {
+	case 16:
+		val |= 0x67452301 & ~mask;
+		break;
+	case 32:
+		val |= 0x76543210 & ~mask;
+		break;
+	}
+
+	/*
+	 * exchange channeles on SRC if possible,
+	 * otherwise, R/L volume settings on DVC
+	 * changes inverted channels
+	 */
+	if (mod == target)
+		return val;
+	else
+		return 0x76543210;
+}
+
 /*
  *	rsnd_dai functions
  */
@@ -242,9 +300,9 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
 	if (val == __rsnd_mod_call_##func) {				\
 		called = 1;						\
 		ret = (mod)->ops->func(mod, io, param);			\
-		mod->status = (mod->status & ~mask) +			\
-			(add << __rsnd_mod_shift_##func);		\
 	}								\
+	mod->status = (mod->status & ~mask) +				\
+		(add << __rsnd_mod_shift_##func);			\
 	dev_dbg(dev, "%s[%d] 0x%08x %s\n",				\
 		rsnd_mod_name(mod), rsnd_mod_id(mod), mod->status,	\
 		called ? #func : "");					\
@@ -274,21 +332,21 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
 static int rsnd_dai_connect(struct rsnd_mod *mod,
 			    struct rsnd_dai_stream *io)
 {
+	struct rsnd_priv *priv;
+	struct device *dev;
+
 	if (!mod)
 		return -EIO;
 
-	if (io->mod[mod->type]) {
-		struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
-		struct device *dev = rsnd_priv_to_dev(priv);
-
-		dev_err(dev, "%s[%d] is not empty\n",
-			rsnd_mod_name(mod),
-			rsnd_mod_id(mod));
-		return -EIO;
-	}
+	priv = rsnd_mod_to_priv(mod);
+	dev = rsnd_priv_to_dev(priv);
 
 	io->mod[mod->type] = mod;
 
+	dev_dbg(dev, "%s[%d] is connected to io (%s)\n",
+		rsnd_mod_name(mod), rsnd_mod_id(mod),
+		rsnd_io_is_play(io) ? "Playback" : "Capture");
+
 	return 0;
 }
 
@@ -517,7 +575,7 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.set_fmt	= rsnd_soc_dai_set_fmt,
 };
 
-#define rsnd_path_parse(priv, io, type)				\
+#define rsnd_path_add(priv, io, type)				\
 ({								\
 	struct rsnd_mod *mod;					\
 	int ret = 0;						\
@@ -533,7 +591,7 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	ret;							\
 })
 
-#define rsnd_path_break(priv, io, type)				\
+#define rsnd_path_remove(priv, io, type)			\
 {								\
 	struct rsnd_mod *mod;					\
 	int id = -1;						\
@@ -547,6 +605,79 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	}							\
 }
 
+void rsnd_path_parse(struct rsnd_priv *priv,
+		     struct rsnd_dai_stream *io)
+{
+	struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
+	struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
+	struct rsnd_mod *src = rsnd_io_to_mod_src(io);
+	struct rsnd_mod *cmd;
+	struct device *dev = rsnd_priv_to_dev(priv);
+	u32 data;
+
+	/* Gen1 is not supported */
+	if (rsnd_is_gen1(priv))
+		return;
+
+	if (!mix && !dvc)
+		return;
+
+	if (mix) {
+		struct rsnd_dai *rdai;
+		int i;
+		u32 path[] = {
+			[0] = 0,
+			[1] = 1 << 0,
+			[2] = 0,
+			[3] = 0,
+			[4] = 0,
+			[5] = 1 << 8
+		};
+
+		/*
+		 * it is assuming that integrater is well understanding about
+		 * data path. Here doesn't check impossible connection,
+		 * like src2 + src5
+		 */
+		data = 0;
+		for_each_rsnd_dai(rdai, priv, i) {
+			io = &rdai->playback;
+			if (mix == rsnd_io_to_mod_mix(io))
+				data |= path[rsnd_mod_id(src)];
+
+			io = &rdai->capture;
+			if (mix == rsnd_io_to_mod_mix(io))
+				data |= path[rsnd_mod_id(src)];
+		}
+
+		/*
+		 * We can't use ctu = rsnd_io_ctu() here.
+		 * Since, ID of dvc/mix are 0 or 1 (= same as CMD number)
+		 * but ctu IDs are 0 - 7 (= CTU00 - CTU13)
+		 */
+		cmd = mix;
+	} else {
+		u32 path[] = {
+			[0] = 0x30000,
+			[1] = 0x30001,
+			[2] = 0x40000,
+			[3] = 0x10000,
+			[4] = 0x20000,
+			[5] = 0x40100
+		};
+
+		data = path[rsnd_mod_id(src)];
+
+		cmd = dvc;
+	}
+
+	dev_dbg(dev, "ctu/mix path = 0x%08x", data);
+
+	rsnd_mod_write(cmd, CMD_ROUTE_SLCT, data);
+
+	rsnd_mod_write(cmd, CMD_CTRL, 0x10);
+}
+
 static int rsnd_path_init(struct rsnd_priv *priv,
 			  struct rsnd_dai *rdai,
 			  struct rsnd_dai_stream *io)
@@ -564,18 +695,28 @@ static int rsnd_path_init(struct rsnd_priv *priv,
 	 * using fixed path.
 	 */
 
+	/* SSI */
+	ret = rsnd_path_add(priv, io, ssi);
+	if (ret < 0)
+		return ret;
+
 	/* SRC */
-	ret = rsnd_path_parse(priv, io, src);
+	ret = rsnd_path_add(priv, io, src);
 	if (ret < 0)
 		return ret;
 
-	/* SSI */
-	ret = rsnd_path_parse(priv, io, ssi);
+	/* 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_parse(priv, io, dvc);
+	ret = rsnd_path_add(priv, io, dvc);
 	if (ret < 0)
 		return ret;
 
@@ -589,13 +730,15 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
 	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 *playback, *capture;
 	struct rsnd_dai_platform_info *dai_info;
 	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
 	struct device *dev = &pdev->dev;
 	int nr, i;
-	int dai_i, ssi_i, src_i, dvc_i;
+	int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i;
 
 	if (!of_data)
 		return;
@@ -621,6 +764,8 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
 
 	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");
 
 #define mod_parse(name)							\
@@ -657,6 +802,8 @@ if (name##_node) {							\
 
 			mod_parse(ssi);
 			mod_parse(src);
+			mod_parse(ctu);
+			mod_parse(mix);
 			mod_parse(dvc);
 
 			of_node_put(playback);
@@ -1033,8 +1180,8 @@ static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,
 		/*
 		 * remove SRC/DVC from DAI,
 		 */
-		rsnd_path_break(priv, io, src);
-		rsnd_path_break(priv, io, dvc);
+		rsnd_path_remove(priv, io, src);
+		rsnd_path_remove(priv, io, dvc);
 
 		/*
 		 * fallback
@@ -1069,6 +1216,8 @@ static int rsnd_probe(struct platform_device *pdev)
 		rsnd_dma_probe,
 		rsnd_ssi_probe,
 		rsnd_src_probe,
+		rsnd_ctu_probe,
+		rsnd_mix_probe,
 		rsnd_dvc_probe,
 		rsnd_adg_probe,
 		rsnd_dai_probe,
@@ -1164,6 +1313,8 @@ static int rsnd_remove(struct platform_device *pdev)
 			      struct rsnd_priv *priv) = {
 		rsnd_ssi_remove,
 		rsnd_src_remove,
+		rsnd_ctu_remove,
+		rsnd_mix_remove,
 		rsnd_dvc_remove,
 	};
 	int ret = 0, i;
diff --git a/sound/soc/sh/rcar/ctu.c b/sound/soc/sh/rcar/ctu.c
new file mode 100644
index 0000000..05498bb
--- /dev/null
+++ b/sound/soc/sh/rcar/ctu.c
@@ -0,0 +1,171 @@
+/*
+ * ctu.c
+ *
+ * Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+#define CTU_NAME_SIZE	16
+#define CTU_NAME "ctu"
+
+struct rsnd_ctu {
+	struct rsnd_ctu_platform_info *info; /* rcar_snd.h */
+	struct rsnd_mod mod;
+};
+
+#define rsnd_ctu_nr(priv) ((priv)->ctu_nr)
+#define for_each_rsnd_ctu(pos, priv, i)					\
+	for ((i) = 0;							\
+	     ((i) < rsnd_ctu_nr(priv)) &&				\
+		     ((pos) = (struct rsnd_ctu *)(priv)->ctu + i);	\
+	     i++)
+
+#define rsnd_ctu_initialize_lock(mod)	__rsnd_ctu_initialize_lock(mod, 1)
+#define rsnd_ctu_initialize_unlock(mod)	__rsnd_ctu_initialize_lock(mod, 0)
+static void __rsnd_ctu_initialize_lock(struct rsnd_mod *mod, u32 enable)
+{
+	rsnd_mod_write(mod, CTU_CTUIR, enable);
+}
+
+static int rsnd_ctu_init(struct rsnd_mod *mod,
+			 struct rsnd_dai_stream *io,
+			 struct rsnd_priv *priv)
+{
+	rsnd_mod_hw_start(mod);
+
+	rsnd_ctu_initialize_lock(mod);
+
+	rsnd_mod_write(mod, CTU_ADINR, rsnd_get_adinr_chan(mod, io));
+
+	rsnd_ctu_initialize_unlock(mod);
+
+	return 0;
+}
+
+static int rsnd_ctu_quit(struct rsnd_mod *mod,
+			 struct rsnd_dai_stream *io,
+			 struct rsnd_priv *priv)
+{
+	rsnd_mod_hw_stop(mod);
+
+	return 0;
+}
+
+static struct rsnd_mod_ops rsnd_ctu_ops = {
+	.name		= CTU_NAME,
+	.init		= rsnd_ctu_init,
+	.quit		= rsnd_ctu_quit,
+};
+
+struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)
+{
+	if (WARN_ON(id < 0 || id >= rsnd_ctu_nr(priv)))
+		id = 0;
+
+	return &((struct rsnd_ctu *)(priv->ctu) + id)->mod;
+}
+
+static void rsnd_of_parse_ctu(struct platform_device *pdev,
+		       const struct rsnd_of_data *of_data,
+		       struct rsnd_priv *priv)
+{
+	struct device_node *node;
+	struct rsnd_ctu_platform_info *ctu_info;
+	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+	struct device *dev = &pdev->dev;
+	int nr;
+
+	if (!of_data)
+		return;
+
+	node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu");
+	if (!node)
+		return;
+
+	nr = of_get_child_count(node);
+	if (!nr)
+		goto rsnd_of_parse_ctu_end;
+
+	ctu_info = devm_kzalloc(dev,
+				sizeof(struct rsnd_ctu_platform_info) * nr,
+				GFP_KERNEL);
+	if (!ctu_info) {
+		dev_err(dev, "ctu info allocation error\n");
+		goto rsnd_of_parse_ctu_end;
+	}
+
+	info->ctu_info		= ctu_info;
+	info->ctu_info_nr	= nr;
+
+rsnd_of_parse_ctu_end:
+	of_node_put(node);
+
+}
+
+int rsnd_ctu_probe(struct platform_device *pdev,
+		   const struct rsnd_of_data *of_data,
+		   struct rsnd_priv *priv)
+{
+	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_ctu *ctu;
+	struct clk *clk;
+	char name[CTU_NAME_SIZE];
+	int i, nr, ret;
+
+	/* This driver doesn't support Gen1 at this point */
+	if (rsnd_is_gen1(priv)) {
+		dev_warn(dev, "CTU is not supported on Gen1\n");
+		return -EINVAL;
+	}
+
+	rsnd_of_parse_ctu(pdev, of_data, priv);
+
+	nr = info->ctu_info_nr;
+	if (!nr)
+		return 0;
+
+	ctu = devm_kzalloc(dev, sizeof(*ctu) * nr, GFP_KERNEL);
+	if (!ctu)
+		return -ENOMEM;
+
+	priv->ctu_nr	= nr;
+	priv->ctu	= ctu;
+
+	for_each_rsnd_ctu(ctu, priv, i) {
+		/*
+		 * CTU00, CTU01, CTU02, CTU03 => CTU0
+		 * CTU10, CTU11, CTU12, CTU13 => CTU1
+		 */
+		snprintf(name, CTU_NAME_SIZE, "%s.%d",
+			 CTU_NAME, i / 4);
+
+		clk = devm_clk_get(dev, name);
+		if (IS_ERR(clk))
+			return PTR_ERR(clk);
+
+		ctu->info = &info->ctu_info[i];
+
+		ret = rsnd_mod_init(priv, &ctu->mod, &rsnd_ctu_ops,
+				    clk, RSND_MOD_CTU, i);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+void rsnd_ctu_remove(struct platform_device *pdev,
+		     struct rsnd_priv *priv)
+{
+	struct rsnd_ctu *ctu;
+	int i;
+
+	for_each_rsnd_ctu(ctu, priv, i) {
+		rsnd_mod_quit(&ctu->mod);
+	}
+}
diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index d306e29..bfbb8a5 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -27,6 +27,15 @@ struct rsnd_dma_ctrl {
 	int dmapp_num;
 };
 
+struct rsnd_dma_ops {
+	char *name;
+	void (*start)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+	void (*stop)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+	int (*init)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id,
+		    struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
+	void (*quit)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+};
+
 #define rsnd_priv_to_dmac(p)	((struct rsnd_dma_ctrl *)(p)->dma)
 
 /*
@@ -168,7 +177,7 @@ static int rsnd_dmaen_init(struct rsnd_dai_stream *io,
 		dma_cap_set(DMA_SLAVE, mask);
 
 		dmaen->chan = dma_request_channel(mask, shdma_chan_filter,
-						  (void *)id);
+						  (void *)(uintptr_t)id);
 	}
 	if (IS_ERR_OR_NULL(dmaen->chan)) {
 		dmaen->chan = NULL;
@@ -182,7 +191,8 @@ static int rsnd_dmaen_init(struct rsnd_dai_stream *io,
 	cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 	cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 
-	dev_dbg(dev, "dma : %pad -> %pad\n",
+	dev_dbg(dev, "%s %pad -> %pad\n",
+		dma->ops->name,
 		&cfg.src_addr, &cfg.dst_addr);
 
 	ret = dmaengine_slave_config(dmaen->chan, &cfg);
@@ -215,6 +225,7 @@ static void rsnd_dmaen_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
 }
 
 static struct rsnd_dma_ops rsnd_dmaen_ops = {
+	.name	= "audmac",
 	.start	= rsnd_dmaen_start,
 	.stop	= rsnd_dmaen_stop,
 	.init	= rsnd_dmaen_init,
@@ -360,6 +371,7 @@ static int rsnd_dmapp_init(struct rsnd_dai_stream *io,
 }
 
 static struct rsnd_dma_ops rsnd_dmapp_ops = {
+	.name	= "audmac-pp",
 	.start	= rsnd_dmapp_start,
 	.stop	= rsnd_dmapp_stop,
 	.init	= rsnd_dmapp_init,
@@ -414,7 +426,9 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
 	phys_addr_t src_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SCU);
 	int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
 	int use_src = !!rsnd_io_to_mod_src(io);
-	int use_dvc = !!rsnd_io_to_mod_dvc(io);
+	int use_cmd = !!rsnd_io_to_mod_dvc(io) ||
+		      !!rsnd_io_to_mod_mix(io) ||
+		      !!rsnd_io_to_mod_ctu(io);
 	int id = rsnd_mod_id(mod);
 	struct dma_addr {
 		dma_addr_t out_addr;
@@ -452,7 +466,7 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
 	};
 
 	/* it shouldn't happen */
-	if (use_dvc && !use_src)
+	if (use_cmd && !use_src)
 		dev_err(dev, "DVC is selected without SRC\n");
 
 	/* use SSIU or SSI ? */
@@ -460,8 +474,8 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
 		is_ssi++;
 
 	return (is_from) ?
-		dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
-		dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
+		dma_addrs[is_ssi][is_play][use_src + use_cmd].out_addr :
+		dma_addrs[is_ssi][is_play][use_src + use_cmd].in_addr;
 }
 
 static dma_addr_t rsnd_dma_addr(struct rsnd_dai_stream *io,
@@ -482,7 +496,7 @@ static dma_addr_t rsnd_dma_addr(struct rsnd_dai_stream *io,
 	return rsnd_gen2_dma_addr(io, mod, is_play, is_from);
 }
 
-#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
+#define MOD_MAX (RSND_MOD_MAX + 1) /* +Memory */
 static void rsnd_dma_of_path(struct rsnd_dma *dma,
 			     struct rsnd_dai_stream *io,
 			     int is_play,
@@ -492,55 +506,81 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
 	struct rsnd_mod *this = rsnd_dma_to_mod(dma);
 	struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
 	struct rsnd_mod *src = rsnd_io_to_mod_src(io);
+	struct rsnd_mod *ctu = rsnd_io_to_mod_ctu(io);
+	struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
 	struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
 	struct rsnd_mod *mod[MOD_MAX];
-	int i, index;
+	struct rsnd_mod *mod_start, *mod_end;
+	struct rsnd_priv *priv = rsnd_mod_to_priv(this);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	int nr, i;
 
+	if (!ssi)
+		return;
 
-	for (i = 0; i < MOD_MAX; i++)
+	nr = 0;
+	for (i = 0; i < MOD_MAX; i++) {
 		mod[i] = NULL;
+		nr += !!rsnd_io_to_mod(io, i);
+	}
 
 	/*
-	 * in play case...
+	 * [S] -*-> [E]
+	 * [S] -*-> SRC -o-> [E]
+	 * [S] -*-> SRC -> DVC -o-> [E]
+	 * [S] -*-> SRC -> CTU -> MIX -> DVC -o-> [E]
 	 *
-	 * src -> dst
+	 * playback	[S] = mem
+	 *		[E] = SSI
 	 *
-	 * mem -> SSI
-	 * mem -> SRC -> SSI
-	 * mem -> SRC -> DVC -> SSI
+	 * capture	[S] = SSI
+	 *		[E] = mem
+	 *
+	 * -*->		Audio DMAC
+	 * -o->		Audio DMAC peri peri
 	 */
-	mod[0] = NULL; /* for "mem" */
-	index = 1;
-	for (i = 1; i < MOD_MAX; i++) {
-		if (!src) {
-			mod[i] = ssi;
-		} else if (!dvc) {
-			mod[i] = src;
-			src = NULL;
-		} else {
-			if ((!is_play) && (this == src))
-				this = dvc;
+	mod_start	= (is_play) ? NULL : ssi;
+	mod_end		= (is_play) ? ssi  : NULL;
 
-			mod[i] = (is_play) ? src : dvc;
-			i++;
-			mod[i] = (is_play) ? dvc : src;
+	mod[0] = mod_start;
+	for (i = 1; i < nr; i++) {
+		if (src) {
+			mod[i] = src;
 			src = NULL;
+		} else if (ctu) {
+			mod[i] = ctu;
+			ctu = NULL;
+		} else if (mix) {
+			mod[i] = mix;
+			mix = NULL;
+		} else if (dvc) {
+			mod[i] = dvc;
 			dvc = NULL;
 		}
-
-		if (mod[i] == this)
-			index = i;
-
-		if (mod[i] == ssi)
-			break;
 	}
+	mod[i] = mod_end;
 
-	if (is_play) {
-		*mod_from = mod[index - 1];
-		*mod_to   = mod[index];
+	/*
+	 *		| SSI | SRC |
+	 * -------------+-----+-----+
+	 *  is_play	|  o  |  *  |
+	 * !is_play	|  *  |  o  |
+	 */
+	if ((this == ssi) == (is_play)) {
+		*mod_from	= mod[nr - 1];
+		*mod_to		= mod[nr];
 	} else {
-		*mod_from = mod[index];
-		*mod_to   = mod[index - 1];
+		*mod_from	= mod[0];
+		*mod_to		= mod[1];
+	}
+
+	dev_dbg(dev, "module connection (this is %s[%d])\n",
+		rsnd_mod_name(this), rsnd_mod_id(this));
+	for (i = 0; i <= nr; i++) {
+		dev_dbg(dev, "  %s[%d]%s\n",
+		       rsnd_mod_name(mod[i]), rsnd_mod_id(mod[i]),
+		       (mod[i] == *mod_from) ? " from" :
+		       (mod[i] == *mod_to)   ? " to" : "");
 	}
 }
 
@@ -568,10 +608,11 @@ void rsnd_dma_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
 
 int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id)
 {
-	struct rsnd_mod *mod_from;
-	struct rsnd_mod *mod_to;
+	struct rsnd_mod *mod_from = NULL;
+	struct rsnd_mod *mod_to = NULL;
 	struct rsnd_priv *priv = rsnd_io_to_priv(io);
 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
 	int is_play = rsnd_io_is_play(io);
 
 	/*
@@ -598,6 +639,11 @@ int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id)
 	if (rsnd_is_gen1(priv))
 		dma->ops = &rsnd_dmaen_ops;
 
+	dev_dbg(dev, "%s %s[%d] -> %s[%d]\n",
+		dma->ops->name,
+		rsnd_mod_name(mod_from), rsnd_mod_id(mod_from),
+		rsnd_mod_name(mod_to),   rsnd_mod_id(mod_to));
+
 	return dma->ops->init(io, dma, id, mod_from, mod_to);
 }
 
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 36fc020..5779638 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -24,6 +24,7 @@ struct rsnd_dvc {
 	struct rsnd_kctrl_cfg_s rdown;	/* Ramp Rate Down */
 };
 
+#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
 #define rsnd_dvc_of_node(priv) \
 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
 
@@ -63,6 +64,19 @@ static const char * const dvc_ramp_rate[] = {
 	"0.125 dB/8192 steps",	 /* 10111 */
 };
 
+static void rsnd_dvc_soft_reset(struct rsnd_mod *mod)
+{
+	rsnd_mod_write(mod, DVC_SWRSR, 0);
+	rsnd_mod_write(mod, DVC_SWRSR, 1);
+}
+
+#define rsnd_dvc_initialize_lock(mod)	__rsnd_dvc_initialize_lock(mod, 1)
+#define rsnd_dvc_initialize_unlock(mod)	__rsnd_dvc_initialize_lock(mod, 0)
+static void __rsnd_dvc_initialize_lock(struct rsnd_mod *mod, u32 enable)
+{
+	rsnd_mod_write(mod, DVC_DVUIR, enable);
+}
+
 static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io,
 				   struct rsnd_mod *mod)
 {
@@ -135,49 +149,24 @@ static int rsnd_dvc_remove_gen2(struct rsnd_mod *mod,
 	return 0;
 }
 
-static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
+static int rsnd_dvc_init(struct rsnd_mod *mod,
 			 struct rsnd_dai_stream *io,
 			 struct rsnd_priv *priv)
 {
-	struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
-	struct device *dev = rsnd_priv_to_dev(priv);
-	int dvc_id = rsnd_mod_id(dvc_mod);
-	int src_id = rsnd_mod_id(src_mod);
-	u32 route[] = {
-		[0] = 0x30000,
-		[1] = 0x30001,
-		[2] = 0x40000,
-		[3] = 0x10000,
-		[4] = 0x20000,
-		[5] = 0x40100
-	};
-
-	if (src_id >= ARRAY_SIZE(route)) {
-		dev_err(dev, "DVC%d isn't connected to SRC%d\n", dvc_id, src_id);
-		return -EINVAL;
-	}
-
-	rsnd_mod_hw_start(dvc_mod);
+	rsnd_mod_hw_start(mod);
 
-	/*
-	 * fixme
-	 * it doesn't support CTU/MIX
-	 */
-	rsnd_mod_write(dvc_mod, CMD_ROUTE_SLCT, route[src_id]);
+	rsnd_dvc_soft_reset(mod);
 
-	rsnd_mod_write(dvc_mod, DVC_SWRSR, 0);
-	rsnd_mod_write(dvc_mod, DVC_SWRSR, 1);
+	rsnd_dvc_initialize_lock(mod);
 
-	rsnd_mod_write(dvc_mod, DVC_DVUIR, 1);
+	rsnd_path_parse(priv, io);
 
-	rsnd_mod_write(dvc_mod, DVC_ADINR, rsnd_get_adinr(dvc_mod, io));
+	rsnd_mod_write(mod, DVC_ADINR, rsnd_get_adinr_bit(mod, io));
 
 	/* ch0/ch1 Volume */
-	rsnd_dvc_volume_update(io, dvc_mod);
+	rsnd_dvc_volume_update(io, mod);
 
-	rsnd_mod_write(dvc_mod, DVC_DVUIR, 0);
-
-	rsnd_adg_set_cmd_timsel_gen2(dvc_mod, io);
+	rsnd_adg_set_cmd_timsel_gen2(mod, io);
 
 	return 0;
 }
@@ -195,6 +184,8 @@ static int rsnd_dvc_start(struct rsnd_mod *mod,
 			  struct rsnd_dai_stream *io,
 			  struct rsnd_priv *priv)
 {
+	rsnd_dvc_initialize_unlock(mod);
+
 	rsnd_mod_write(mod, CMD_CTRL, 0x10);
 
 	return 0;
@@ -341,23 +332,21 @@ int rsnd_dvc_probe(struct platform_device *pdev,
 	char name[RSND_DVC_NAME_SIZE];
 	int i, nr, ret;
 
-	rsnd_of_parse_dvc(pdev, of_data, priv);
-
-	nr = info->dvc_info_nr;
-	if (!nr)
-		return 0;
-
 	/* This driver doesn't support Gen1 at this point */
 	if (rsnd_is_gen1(priv)) {
 		dev_warn(dev, "CMD is not supported on Gen1\n");
 		return -EINVAL;
 	}
 
+	rsnd_of_parse_dvc(pdev, of_data, priv);
+
+	nr = info->dvc_info_nr;
+	if (!nr)
+		return 0;
+
 	dvc	= devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
-	if (!dvc) {
-		dev_err(dev, "CMD allocate failed\n");
+	if (!dvc)
 		return -ENOMEM;
-	}
 
 	priv->dvc_nr	= nr;
 	priv->dvc	= dvc;
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index 8c7dc51..f04d17b 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -103,6 +103,22 @@ void rsnd_write(struct rsnd_priv *priv,
 	regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
 }
 
+void rsnd_force_write(struct rsnd_priv *priv,
+		      struct rsnd_mod *mod,
+		      enum rsnd_reg reg, u32 data)
+{
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	if (!rsnd_is_accessible_reg(priv, gen, reg))
+		return;
+
+	dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
+		rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);
+
+	regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data);
+}
+
 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
 	       enum rsnd_reg reg, u32 mask, u32 data)
 {
@@ -200,12 +216,13 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
 		/* FIXME: it needs SSI_MODE2/3 in the future */
 		RSND_GEN_M_REG(SSI_BUSIF_MODE,	0x0,	0x80),
 		RSND_GEN_M_REG(SSI_BUSIF_ADINR,	0x4,	0x80),
-		RSND_GEN_M_REG(BUSIF_DALIGN,	0x8,	0x80),
+		RSND_GEN_M_REG(SSI_BUSIF_DALIGN,0x8,	0x80),
 		RSND_GEN_M_REG(SSI_CTRL,	0x10,	0x80),
-		RSND_GEN_M_REG(INT_ENABLE,	0x18,	0x80),
+		RSND_GEN_M_REG(SSI_INT_ENABLE,	0x18,	0x80),
 	};
 	struct rsnd_regmap_field_conf conf_scu[] = {
 		RSND_GEN_M_REG(SRC_BUSIF_MODE,	0x0,	0x20),
+		RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8,	0x20),
 		RSND_GEN_M_REG(SRC_ROUTE_MODE0,	0xc,	0x20),
 		RSND_GEN_M_REG(SRC_CTRL,	0x10,	0x20),
 		RSND_GEN_M_REG(SRC_INT_ENABLE0,	0x18,	0x20),
@@ -223,6 +240,18 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
 		RSND_GEN_M_REG(SRC_SRCCR,	0x224,	0x40),
 		RSND_GEN_M_REG(SRC_BSDSR,	0x22c,	0x40),
 		RSND_GEN_M_REG(SRC_BSISR,	0x238,	0x40),
+		RSND_GEN_M_REG(CTU_CTUIR,	0x504,	0x100),
+		RSND_GEN_M_REG(CTU_ADINR,	0x508,	0x100),
+		RSND_GEN_M_REG(MIX_SWRSR,	0xd00,	0x40),
+		RSND_GEN_M_REG(MIX_MIXIR,	0xd04,	0x40),
+		RSND_GEN_M_REG(MIX_ADINR,	0xd08,	0x40),
+		RSND_GEN_M_REG(MIX_MIXMR,	0xd10,	0x40),
+		RSND_GEN_M_REG(MIX_MVPDR,	0xd14,	0x40),
+		RSND_GEN_M_REG(MIX_MDBAR,	0xd18,	0x40),
+		RSND_GEN_M_REG(MIX_MDBBR,	0xd1c,	0x40),
+		RSND_GEN_M_REG(MIX_MDBCR,	0xd20,	0x40),
+		RSND_GEN_M_REG(MIX_MDBDR,	0xd24,	0x40),
+		RSND_GEN_M_REG(MIX_MDBER,	0xd28,	0x40),
 		RSND_GEN_M_REG(DVC_SWRSR,	0xe00,	0x100),
 		RSND_GEN_M_REG(DVC_DVUIR,	0xe04,	0x100),
 		RSND_GEN_M_REG(DVC_ADINR,	0xe08,	0x100),
diff --git a/sound/soc/sh/rcar/mix.c b/sound/soc/sh/rcar/mix.c
new file mode 100644
index 0000000..0d5c102
--- /dev/null
+++ b/sound/soc/sh/rcar/mix.c
@@ -0,0 +1,200 @@
+/*
+ * mix.c
+ *
+ * Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+#define MIX_NAME_SIZE	16
+#define MIX_NAME "mix"
+
+struct rsnd_mix {
+	struct rsnd_mix_platform_info *info; /* rcar_snd.h */
+	struct rsnd_mod mod;
+};
+
+#define rsnd_mix_nr(priv) ((priv)->mix_nr)
+#define for_each_rsnd_mix(pos, priv, i)					\
+	for ((i) = 0;							\
+	     ((i) < rsnd_mix_nr(priv)) &&				\
+		     ((pos) = (struct rsnd_mix *)(priv)->mix + i);	\
+	     i++)
+
+
+static void rsnd_mix_soft_reset(struct rsnd_mod *mod)
+{
+	rsnd_mod_write(mod, MIX_SWRSR, 0);
+	rsnd_mod_write(mod, MIX_SWRSR, 1);
+}
+
+#define rsnd_mix_initialize_lock(mod)	__rsnd_mix_initialize_lock(mod, 1)
+#define rsnd_mix_initialize_unlock(mod)	__rsnd_mix_initialize_lock(mod, 0)
+static void __rsnd_mix_initialize_lock(struct rsnd_mod *mod, u32 enable)
+{
+	rsnd_mod_write(mod, MIX_MIXIR, enable);
+}
+
+static void rsnd_mix_volume_update(struct rsnd_dai_stream *io,
+				  struct rsnd_mod *mod)
+{
+
+	/* Disable MIX dB setting */
+	rsnd_mod_write(mod, MIX_MDBER, 0);
+
+	rsnd_mod_write(mod, MIX_MDBAR, 0);
+	rsnd_mod_write(mod, MIX_MDBBR, 0);
+	rsnd_mod_write(mod, MIX_MDBCR, 0);
+	rsnd_mod_write(mod, MIX_MDBDR, 0);
+
+	/* Enable MIX dB setting */
+	rsnd_mod_write(mod, MIX_MDBER, 1);
+}
+
+static int rsnd_mix_init(struct rsnd_mod *mod,
+			 struct rsnd_dai_stream *io,
+			 struct rsnd_priv *priv)
+{
+	rsnd_mod_hw_start(mod);
+
+	rsnd_mix_soft_reset(mod);
+
+	rsnd_mix_initialize_lock(mod);
+
+	rsnd_mod_write(mod, MIX_ADINR, rsnd_get_adinr_chan(mod, io));
+
+	rsnd_path_parse(priv, io);
+
+	/* volume step */
+	rsnd_mod_write(mod, MIX_MIXMR, 0);
+	rsnd_mod_write(mod, MIX_MVPDR, 0);
+
+	rsnd_mix_volume_update(io, mod);
+
+	rsnd_mix_initialize_unlock(mod);
+
+	return 0;
+}
+
+static int rsnd_mix_quit(struct rsnd_mod *mod,
+			 struct rsnd_dai_stream *io,
+			 struct rsnd_priv *priv)
+{
+	rsnd_mod_hw_stop(mod);
+
+	return 0;
+}
+
+static struct rsnd_mod_ops rsnd_mix_ops = {
+	.name		= MIX_NAME,
+	.init		= rsnd_mix_init,
+	.quit		= rsnd_mix_quit,
+};
+
+struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id)
+{
+	if (WARN_ON(id < 0 || id >= rsnd_mix_nr(priv)))
+		id = 0;
+
+	return &((struct rsnd_mix *)(priv->mix) + id)->mod;
+}
+
+static void rsnd_of_parse_mix(struct platform_device *pdev,
+			      const struct rsnd_of_data *of_data,
+			      struct rsnd_priv *priv)
+{
+	struct device_node *node;
+	struct rsnd_mix_platform_info *mix_info;
+	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+	struct device *dev = &pdev->dev;
+	int nr;
+
+	if (!of_data)
+		return;
+
+	node = of_get_child_by_name(dev->of_node, "rcar_sound,mix");
+	if (!node)
+		return;
+
+	nr = of_get_child_count(node);
+	if (!nr)
+		goto rsnd_of_parse_mix_end;
+
+	mix_info = devm_kzalloc(dev,
+				sizeof(struct rsnd_mix_platform_info) * nr,
+				GFP_KERNEL);
+	if (!mix_info) {
+		dev_err(dev, "mix info allocation error\n");
+		goto rsnd_of_parse_mix_end;
+	}
+
+	info->mix_info		= mix_info;
+	info->mix_info_nr	= nr;
+
+rsnd_of_parse_mix_end:
+	of_node_put(node);
+
+}
+
+int rsnd_mix_probe(struct platform_device *pdev,
+		   const struct rsnd_of_data *of_data,
+		   struct rsnd_priv *priv)
+{
+	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_mix *mix;
+	struct clk *clk;
+	char name[MIX_NAME_SIZE];
+	int i, nr, ret;
+
+	/* This driver doesn't support Gen1 at this point */
+	if (rsnd_is_gen1(priv)) {
+		dev_warn(dev, "MIX is not supported on Gen1\n");
+		return -EINVAL;
+	}
+
+	rsnd_of_parse_mix(pdev, of_data, priv);
+
+	nr = info->mix_info_nr;
+	if (!nr)
+		return 0;
+
+	mix	= devm_kzalloc(dev, sizeof(*mix) * nr, GFP_KERNEL);
+	if (!mix)
+		return -ENOMEM;
+
+	priv->mix_nr	= nr;
+	priv->mix	= mix;
+
+	for_each_rsnd_mix(mix, priv, i) {
+		snprintf(name, MIX_NAME_SIZE, "%s.%d",
+			 MIX_NAME, i);
+
+		clk = devm_clk_get(dev, name);
+		if (IS_ERR(clk))
+			return PTR_ERR(clk);
+
+		mix->info = &info->mix_info[i];
+
+		ret = rsnd_mod_init(priv, &mix->mod, &rsnd_mix_ops,
+				    clk, RSND_MOD_MIX, i);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+void rsnd_mix_remove(struct platform_device *pdev,
+		     struct rsnd_priv *priv)
+{
+	struct rsnd_mix *mix;
+	int i;
+
+	for_each_rsnd_mix(mix, priv, i) {
+		rsnd_mod_quit(&mix->mod);
+	}
+}
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 09fcc54..7a0e52b 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -47,6 +47,18 @@ enum rsnd_reg {
 	RSND_REG_SCU_SYS_STATUS0,
 	RSND_REG_SCU_SYS_INT_EN0,
 	RSND_REG_CMD_ROUTE_SLCT,
+	RSND_REG_CTU_CTUIR,
+	RSND_REG_CTU_ADINR,
+	RSND_REG_MIX_SWRSR,
+	RSND_REG_MIX_MIXIR,
+	RSND_REG_MIX_ADINR,
+	RSND_REG_MIX_MIXMR,
+	RSND_REG_MIX_MVPDR,
+	RSND_REG_MIX_MDBAR,
+	RSND_REG_MIX_MDBBR,
+	RSND_REG_MIX_MDBCR,
+	RSND_REG_MIX_MDBDR,
+	RSND_REG_MIX_MDBER,
 	RSND_REG_DVC_SWRSR,
 	RSND_REG_DVC_DVUIR,
 	RSND_REG_DVC_ADINR,
@@ -99,6 +111,7 @@ enum rsnd_reg {
 	RSND_REG_SHARE26,
 	RSND_REG_SHARE27,
 	RSND_REG_SHARE28,
+	RSND_REG_SHARE29,
 
 	RSND_REG_MAX,
 };
@@ -119,7 +132,7 @@ enum rsnd_reg {
 #define RSND_REG_SSI_CTRL		RSND_REG_SHARE02
 #define RSND_REG_SSI_BUSIF_MODE		RSND_REG_SHARE03
 #define RSND_REG_SSI_BUSIF_ADINR	RSND_REG_SHARE04
-#define RSND_REG_INT_ENABLE		RSND_REG_SHARE05
+#define RSND_REG_SSI_INT_ENABLE		RSND_REG_SHARE05
 #define RSND_REG_SRC_BSDSR		RSND_REG_SHARE06
 #define RSND_REG_SRC_BSISR		RSND_REG_SHARE07
 #define RSND_REG_DIV_EN			RSND_REG_SHARE08
@@ -136,13 +149,14 @@ enum rsnd_reg {
 #define RSND_REG_AUDIO_CLK_SEL2		RSND_REG_SHARE19
 #define RSND_REG_CMD_CTRL		RSND_REG_SHARE20
 #define RSND_REG_CMDOUT_TIMSEL		RSND_REG_SHARE21
-#define RSND_REG_BUSIF_DALIGN		RSND_REG_SHARE22
+#define RSND_REG_SSI_BUSIF_DALIGN	RSND_REG_SHARE22
 #define RSND_REG_DVC_VRCTR		RSND_REG_SHARE23
 #define RSND_REG_DVC_VRPDR		RSND_REG_SHARE24
 #define RSND_REG_DVC_VRDBR		RSND_REG_SHARE25
 #define RSND_REG_SCU_SYS_STATUS1	RSND_REG_SHARE26
 #define RSND_REG_SCU_SYS_INT_EN1	RSND_REG_SHARE27
 #define RSND_REG_SRC_INT_ENABLE0	RSND_REG_SHARE28
+#define RSND_REG_SRC_BUSIF_DALIGN	RSND_REG_SHARE29
 
 struct rsnd_of_data;
 struct rsnd_priv;
@@ -157,27 +171,28 @@ struct rsnd_dai_stream;
 	rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
 #define rsnd_mod_write(m, r, d) \
 	rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
+#define rsnd_mod_force_write(m, r, d) \
+	rsnd_force_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
 #define rsnd_mod_bset(m, r, s, d) \
 	rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
 
 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
 		enum rsnd_reg reg, u32 data);
+void rsnd_force_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
+		enum rsnd_reg reg, u32 data);
 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
 		    u32 mask, u32 data);
-u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
+u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
+u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
+u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
+void rsnd_path_parse(struct rsnd_priv *priv,
+		     struct rsnd_dai_stream *io);
 
 /*
  *	R-Car DMA
  */
 struct rsnd_dma;
-struct rsnd_dma_ops {
-	void (*start)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
-	void (*stop)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
-	int (*init)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id,
-		    struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
-	void (*quit)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
-};
 
 struct rsnd_dmaen {
 	struct dma_chan		*chan;
@@ -217,6 +232,8 @@ struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
  */
 enum rsnd_mod_type {
 	RSND_MOD_DVC = 0,
+	RSND_MOD_MIX,
+	RSND_MOD_CTU,
 	RSND_MOD_SRC,
 	RSND_MOD_SSI,
 	RSND_MOD_MAX,
@@ -312,7 +329,7 @@ struct rsnd_mod {
 
 #define rsnd_mod_to_priv(mod) ((mod)->priv)
 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
-#define rsnd_mod_id(mod) ((mod)->id)
+#define rsnd_mod_id(mod) ((mod) ? (mod)->id : -1)
 #define rsnd_mod_hw_start(mod)	clk_enable((mod)->clk)
 #define rsnd_mod_hw_stop(mod)	clk_disable((mod)->clk)
 
@@ -345,9 +362,12 @@ struct rsnd_dai_stream {
 	int byte_per_period;
 	int next_period_byte;
 };
-#define rsnd_io_to_mod_ssi(io)	((io)->mod[RSND_MOD_SSI])
-#define rsnd_io_to_mod_src(io)	((io)->mod[RSND_MOD_SRC])
-#define rsnd_io_to_mod_dvc(io)	((io)->mod[RSND_MOD_DVC])
+#define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
+#define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
+#define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
+#define rsnd_io_to_mod_ctu(io)	rsnd_io_to_mod((io), RSND_MOD_CTU)
+#define rsnd_io_to_mod_mix(io)	rsnd_io_to_mod((io), RSND_MOD_MIX)
+#define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
 #define rsnd_io_to_rdai(io)	((io)->rdai)
 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
@@ -437,12 +457,6 @@ struct rsnd_priv {
 	void *gen;
 
 	/*
-	 * below value will be filled on rsnd_src_probe()
-	 */
-	void *src;
-	int src_nr;
-
-	/*
 	 * below value will be filled on rsnd_adg_probe()
 	 */
 	void *adg;
@@ -459,6 +473,24 @@ struct rsnd_priv {
 	int ssi_nr;
 
 	/*
+	 * below value will be filled on rsnd_src_probe()
+	 */
+	void *src;
+	int src_nr;
+
+	/*
+	 * below value will be filled on rsnd_ctu_probe()
+	 */
+	void *ctu;
+	int ctu_nr;
+
+	/*
+	 * below value will be filled on rsnd_mix_probe()
+	 */
+	void *mix;
+	int mix_nr;
+
+	/*
 	 * below value will be filled on rsnd_dvc_probe()
 	 */
 	void *dvc;
@@ -531,6 +563,19 @@ int rsnd_kctrl_new_e(struct rsnd_mod *mod,
 		     u32 max);
 
 /*
+ *	R-Car SSI
+ */
+int rsnd_ssi_probe(struct platform_device *pdev,
+		   const struct rsnd_of_data *of_data,
+		   struct rsnd_priv *priv);
+void rsnd_ssi_remove(struct platform_device *pdev,
+		     struct rsnd_priv *priv);
+struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
+int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
+int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
+int rsnd_ssi_use_busif(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
+
+/*
  *	R-Car SRC
  */
 int rsnd_src_probe(struct platform_device *pdev,
@@ -550,20 +595,27 @@ int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
 
-#define rsnd_src_nr(priv) ((priv)->src_nr)
+/*
+ *	R-Car CTU
+ */
+int rsnd_ctu_probe(struct platform_device *pdev,
+		   const struct rsnd_of_data *of_data,
+		   struct rsnd_priv *priv);
+
+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);
 
 /*
- *	R-Car SSI
+ *	R-Car MIX
  */
-int rsnd_ssi_probe(struct platform_device *pdev,
+int rsnd_mix_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
-void rsnd_ssi_remove(struct platform_device *pdev,
+
+void rsnd_mix_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
-struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
-int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
-int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
-int rsnd_ssi_use_busif(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
+struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
 
 /*
  *	R-Car DVC
@@ -575,7 +627,4 @@ 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_nr(priv) ((priv)->dvc_nr)
-
-
 #endif
diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index 84e9357..d61db9c 100644
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -41,6 +41,7 @@ static const struct rsrc_card_of_data routes_of_ssi0_ak4642 = {
 static const struct of_device_id rsrc_card_of_match[] = {
 	{ .compatible = "renesas,rsrc-card,lager",	.data = &routes_of_ssi0_ak4642 },
 	{ .compatible = "renesas,rsrc-card,koelsch",	.data = &routes_of_ssi0_ak4642 },
+	{ .compatible = "renesas,rsrc-card", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, rsrc_card_of_match);
@@ -242,8 +243,15 @@ static int rsrc_card_parse_links(struct device_node *np,
 		snd_soc_of_get_dai_name(np, &dai_link->codec_dai_name);
 
 		/* additional name prefix */
-		priv->codec_conf.of_node	= dai_link->codec_of_node;
-		priv->codec_conf.name_prefix	= of_data->prefix;
+		if (of_data) {
+			priv->codec_conf.of_node = dai_link->codec_of_node;
+			priv->codec_conf.name_prefix = of_data->prefix;
+		} else {
+			snd_soc_of_parse_audio_prefix(&priv->snd_card,
+						      &priv->codec_conf,
+						      dai_link->codec_of_node,
+						      "audio-prefix");
+		}
 
 		/* set dai_name */
 		snprintf(dai_props->dai_name, DAI_NAME_NUM, "be.%s",
@@ -361,8 +369,14 @@ static int rsrc_card_parse_of(struct device_node *node,
 	priv->snd_card.num_links		= num;
 	priv->snd_card.codec_conf		= &priv->codec_conf;
 	priv->snd_card.num_configs		= 1;
-	priv->snd_card.of_dapm_routes		= of_data->routes;
-	priv->snd_card.num_of_dapm_routes	= of_data->num_routes;
+
+	if (of_data) {
+		priv->snd_card.of_dapm_routes		= of_data->routes;
+		priv->snd_card.num_of_dapm_routes	= of_data->num_routes;
+	} else {
+		snd_soc_of_parse_audio_routing(&priv->snd_card,
+					       "audio-routing");
+	}
 
 	/* Parse the card name from DT */
 	snd_soc_of_parse_card_name(&priv->snd_card, "card-name");
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index c61c171..89a18e1 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -30,6 +30,7 @@ struct rsnd_src {
 
 #define RSND_SRC_NAME_SIZE 16
 
+#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")
@@ -117,6 +118,20 @@ struct rsnd_src {
 /*
  *		Gen1/Gen2 common functions
  */
+static void rsnd_src_soft_reset(struct rsnd_mod *mod)
+{
+	rsnd_mod_write(mod, SRC_SWRSR, 0);
+	rsnd_mod_write(mod, SRC_SWRSR, 1);
+}
+
+
+#define rsnd_src_initialize_lock(mod)	__rsnd_src_initialize_lock(mod, 1)
+#define rsnd_src_initialize_unlock(mod)	__rsnd_src_initialize_lock(mod, 0)
+static void __rsnd_src_initialize_lock(struct rsnd_mod *mod, u32 enable)
+{
+	rsnd_mod_write(mod, SRC_SRCIR, enable);
+}
+
 static struct dma_chan *rsnd_src_dma_req(struct rsnd_dai_stream *io,
 					 struct rsnd_mod *mod)
 {
@@ -133,7 +148,6 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
 			int use_busif)
 {
 	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
-	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
 	int ssi_id = rsnd_mod_id(ssi_mod);
 
 	/*
@@ -170,27 +184,14 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
 	 * DMA settings for SSIU
 	 */
 	if (use_busif) {
-		u32 val = 0x76543210;
-		u32 mask = ~0;
+		u32 val = rsnd_get_dalign(ssi_mod, io);
 
 		rsnd_mod_write(ssi_mod, SSI_BUSIF_ADINR,
-			       rsnd_get_adinr(ssi_mod, io));
+			       rsnd_get_adinr_bit(ssi_mod, io));
 		rsnd_mod_write(ssi_mod, SSI_BUSIF_MODE,  1);
 		rsnd_mod_write(ssi_mod, SSI_CTRL, 0x1);
 
-		mask <<= runtime->channels * 4;
-		val = val & mask;
-
-		switch (runtime->sample_bits) {
-		case 16:
-			val |= 0x67452301 & ~mask;
-			break;
-		case 32:
-			val |= 0x76543210 & ~mask;
-			break;
-		}
-		rsnd_mod_write(ssi_mod, BUSIF_DALIGN, val);
-
+		rsnd_mod_write(ssi_mod, SSI_BUSIF_DALIGN, val);
 	}
 
 	return 0;
@@ -215,10 +216,9 @@ int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod)
 		return 0;
 
 	/* enable SSI interrupt if Gen2 */
-	if (rsnd_ssi_is_dma_mode(ssi_mod))
-		rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0e000000);
-	else
-		rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
+	rsnd_mod_write(ssi_mod, SSI_INT_ENABLE,
+		       rsnd_ssi_is_dma_mode(ssi_mod) ?
+		       0x0e000000 : 0x0f000000);
 
 	return 0;
 }
@@ -231,7 +231,7 @@ int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod)
 		return 0;
 
 	/* disable SSI interrupt if Gen2 */
-	rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000);
+	rsnd_mod_write(ssi_mod, SSI_INT_ENABLE, 0x00000000);
 
 	return 0;
 }
@@ -294,12 +294,8 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
 	if (convert_rate)
 		fsrate = 0x0400000 / convert_rate * runtime->rate;
 
-	/* set/clear soft reset */
-	rsnd_mod_write(mod, SRC_SWRSR, 0);
-	rsnd_mod_write(mod, SRC_SWRSR, 1);
-
 	/* Set channel number and output bit length */
-	rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod, io));
+	rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr_bit(mod, io));
 
 	/* Enable the initial value of IFS */
 	if (fsrate) {
@@ -358,17 +354,15 @@ static int rsnd_src_init(struct rsnd_mod *mod,
 
 	rsnd_mod_hw_start(mod);
 
+	rsnd_src_soft_reset(mod);
+
+	rsnd_src_initialize_lock(mod);
+
 	src->err = 0;
 
 	/* reset sync convert_rate */
 	src->sync.val = 0;
 
-	/*
-	 * Initialize the operation of the SRC internal circuits
-	 * see rsnd_src_start()
-	 */
-	rsnd_mod_write(mod, SRC_SRCIR, 1);
-
 	return 0;
 }
 
@@ -395,11 +389,7 @@ static int rsnd_src_quit(struct rsnd_mod *mod,
 
 static int rsnd_src_start(struct rsnd_mod *mod)
 {
-	/*
-	 * Cancel the initialization and operate the SRC function
-	 * see rsnd_src_init()
-	 */
-	rsnd_mod_write(mod, SRC_SRCIR, 0);
+	rsnd_src_initialize_unlock(mod);
 
 	return 0;
 }
@@ -617,6 +607,14 @@ static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable)
 		int_val = 0;
 	}
 
+	/*
+	 * WORKAROUND
+	 *
+	 * ignore over flow error when rsnd_enable_sync_convert()
+	 */
+	if (rsnd_enable_sync_convert(src))
+		sys_int_val = sys_int_val & 0xffff;
+
 	rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val);
 	rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val);
 	rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val);
@@ -632,11 +630,22 @@ static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod)
 
 static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod)
 {
-	u32 val = OUF_SRC(rsnd_mod_id(mod));
+	struct rsnd_src *src = rsnd_mod_to_src(mod);
+	u32 val0, val1;
 	bool ret = false;
 
-	if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val) ||
-	    (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val)) {
+	val0 = val1 = OUF_SRC(rsnd_mod_id(mod));
+
+	/*
+	 * WORKAROUND
+	 *
+	 * ignore over flow error when rsnd_enable_sync_convert()
+	 */
+	if (rsnd_enable_sync_convert(src))
+		val0 = val0 & 0xffff;
+
+	if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val0) ||
+	    (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val1)) {
 		struct rsnd_src *src = rsnd_mod_to_src(mod);
 
 		src->err++;
@@ -652,7 +661,20 @@ static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod)
 static int _rsnd_src_start_gen2(struct rsnd_mod *mod,
 				struct rsnd_dai_stream *io)
 {
-	u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
+	struct rsnd_src *src = rsnd_mod_to_src(mod);
+	u32 val;
+
+	val = rsnd_get_dalign(mod, io);
+
+	rsnd_mod_write(mod, SRC_BUSIF_DALIGN, val);
+
+	/*
+	 * WORKAROUND
+	 *
+	 * Enable SRC output if you want to use sync convert together with DVC
+	 */
+	val = (rsnd_io_to_mod_dvc(io) && !rsnd_enable_sync_convert(src)) ?
+		0x01 : 0x11;
 
 	rsnd_mod_write(mod, SRC_CTRL, val);
 
@@ -922,13 +944,6 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
 		return 0;
 
 	/*
-	 * We can't use SRC sync convert
-	 * if it has DVC
-	 */
-	if (rsnd_io_to_mod_dvc(io))
-		return 0;
-
-	/*
 	 * enable sync convert
 	 */
 	ret = rsnd_kctrl_new_s(mod, io, rtd,
@@ -1047,10 +1062,8 @@ int rsnd_src_probe(struct platform_device *pdev,
 		return 0;
 
 	src	= devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL);
-	if (!src) {
-		dev_err(dev, "SRC allocate failed\n");
+	if (!src)
 		return -ENOMEM;
-	}
 
 	priv->src_nr	= nr;
 	priv->src	= src;
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 2fbe59f..d45b9a7 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -770,10 +770,8 @@ int rsnd_ssi_probe(struct platform_device *pdev,
 	 */
 	nr	= info->ssi_info_nr;
 	ssi	= devm_kzalloc(dev, sizeof(*ssi) * nr, GFP_KERNEL);
-	if (!ssi) {
-		dev_err(dev, "SSI allocate failed\n");
+	if (!ssi)
 		return -ENOMEM;
-	}
 
 	priv->ssi	= ssi;
 	priv->ssi_nr	= nr;