Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

10 files changed, 326 insertions, 185 deletions

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 6873b4ce03f9..33414b1de201 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -180,6 +180,9 @@ struct regmap_field {
 	/* lsb */
 	unsigned int shift;
 	unsigned int reg;
+
+	unsigned int id_size;
+	unsigned int id_offset;
 };
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0503d868ff8c..ccdac61ac5e2 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -813,6 +813,8 @@ static void regmap_field_init(struct regmap_field *rm_field,
 	rm_field->reg = reg_field.reg;
 	rm_field->shift = reg_field.lsb;
 	rm_field->mask = ((BIT(field_bits) - 1) << reg_field.lsb);
+	rm_field->id_size = reg_field.id_size;
+	rm_field->id_offset = reg_field.id_offset;
 }
 
 /**
@@ -1420,6 +1422,74 @@ int regmap_field_write(struct regmap_field *field, unsigned int val)
 }
 EXPORT_SYMBOL_GPL(regmap_field_write);
 
+/**
+ * regmap_field_update_bits():	Perform a read/modify/write cycle
+ *                              on the register field
+ *
+ * @field: Register field to write to
+ * @mask: Bitmask to change
+ * @val: Value to be written
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int regmap_field_update_bits(struct regmap_field *field, unsigned int mask, unsigned int val)
+{
+	mask = (mask << field->shift) & field->mask;
+
+	return regmap_update_bits(field->regmap, field->reg,
+				  mask, val << field->shift);
+}
+EXPORT_SYMBOL_GPL(regmap_field_update_bits);
+
+/**
+ * regmap_fields_write(): Write a value to a single register field with port ID
+ *
+ * @field: Register field to write to
+ * @id: port ID
+ * @val: Value to be written
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int regmap_fields_write(struct regmap_field *field, unsigned int id,
+			unsigned int val)
+{
+	if (id >= field->id_size)
+		return -EINVAL;
+
+	return regmap_update_bits(field->regmap,
+				  field->reg + (field->id_offset * id),
+				  field->mask, val << field->shift);
+}
+EXPORT_SYMBOL_GPL(regmap_fields_write);
+
+/**
+ * regmap_fields_update_bits():	Perform a read/modify/write cycle
+ *                              on the register field
+ *
+ * @field: Register field to write to
+ * @id: port ID
+ * @mask: Bitmask to change
+ * @val: Value to be written
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int regmap_fields_update_bits(struct regmap_field *field,  unsigned int id,
+			      unsigned int mask, unsigned int val)
+{
+	if (id >= field->id_size)
+		return -EINVAL;
+
+	mask = (mask << field->shift) & field->mask;
+
+	return regmap_update_bits(field->regmap,
+				  field->reg + (field->id_offset * id),
+				  mask, val << field->shift);
+}
+EXPORT_SYMBOL_GPL(regmap_fields_update_bits);
+
 /*
  * regmap_bulk_write(): Write multiple registers to the device
  *
@@ -1731,6 +1801,39 @@ int regmap_field_read(struct regmap_field *field, unsigned int *val)
 EXPORT_SYMBOL_GPL(regmap_field_read);
 
 /**
+ * regmap_fields_read(): Read a value to a single register field with port ID
+ *
+ * @field: Register field to read from
+ * @id: port ID
+ * @val: Pointer to store read value
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int regmap_fields_read(struct regmap_field *field, unsigned int id,
+		       unsigned int *val)
+{
+	int ret;
+	unsigned int reg_val;
+
+	if (id >= field->id_size)
+		return -EINVAL;
+
+	ret = regmap_read(field->regmap,
+			  field->reg + (field->id_offset * id),
+			  &reg_val);
+	if (ret != 0)
+		return ret;
+
+	reg_val &= field->mask;
+	reg_val >>= field->shift;
+	*val = reg_val;
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(regmap_fields_read);
+
+/**
  * regmap_bulk_read(): Read multiple registers from the device
  *
  * @map: Register map to write to
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 114565befbd2..dc90b8c134a1 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -431,11 +431,15 @@ bool regmap_reg_in_ranges(unsigned int reg,
  * @reg: Offset of the register within the regmap bank
  * @lsb: lsb of the register field.
  * @reg: msb of the register field.
+ * @id_size: port size if it has some ports
+ * @id_offset: address offset for each ports
  */
 struct reg_field {
 	unsigned int reg;
 	unsigned int lsb;
 	unsigned int msb;
+	unsigned int id_size;
+	unsigned int id_offset;
 };
 
 #define REG_FIELD(_reg, _lsb, _msb) {		\
@@ -454,6 +458,15 @@ void devm_regmap_field_free(struct device *dev,	struct regmap_field *field);
 
 int regmap_field_read(struct regmap_field *field, unsigned int *val);
 int regmap_field_write(struct regmap_field *field, unsigned int val);
+int regmap_field_update_bits(struct regmap_field *field,
+			     unsigned int mask, unsigned int val);
+
+int regmap_fields_write(struct regmap_field *field, unsigned int id,
+			unsigned int val);
+int regmap_fields_read(struct regmap_field *field, unsigned int id,
+		       unsigned int *val);
+int regmap_fields_update_bits(struct regmap_field *field,  unsigned int id,
+			      unsigned int mask, unsigned int val);
 
 /**
  * Description of an IRQ for the generic regmap irq_chip.
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
index fb0a312bcb81..12afab18945d 100644
--- a/include/sound/rcar_snd.h
+++ b/include/sound/rcar_snd.h
@@ -36,7 +36,6 @@
 #define RSND_SSI_CLK_PIN_SHARE		(1 << 31)
 #define RSND_SSI_CLK_FROM_ADG		(1 << 30) /* clock parent is master */
 #define RSND_SSI_SYNC			(1 << 29) /* SSI34_sync etc */
-#define RSND_SSI_DEPENDENT		(1 << 28) /* SSI needs SRU/SCU */
 
 #define RSND_SSI_PLAY			(1 << 24)
 
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index d80deb7ccf13..9430097979a5 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -8,7 +8,6 @@
  * for more details.
  */
 #include <linux/sh_clk.h>
-#include <mach/clock.h>
 #include "rsnd.h"
 
 #define CLKA	0
@@ -22,6 +21,7 @@ struct rsnd_adg {
 
 	int rate_of_441khz_div_6;
 	int rate_of_48khz_div_6;
+	u32 ckr;
 };
 
 #define for_each_rsnd_clk(pos, adg, i)		\
@@ -116,6 +116,11 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate)
 
 found_clock:
 
+	/* see rsnd_adg_ssi_clk_init() */
+	rsnd_mod_bset(mod, SSICKR, 0x00FF0000, adg->ckr);
+	rsnd_mod_write(mod, BRRA,  0x00000002); /* 1/6 */
+	rsnd_mod_write(mod, BRRB,  0x00000002); /* 1/6 */
+
 	/*
 	 * This "mod" = "ssi" here.
 	 * we can get "ssi id" from mod
@@ -182,9 +187,7 @@ static void rsnd_adg_ssi_clk_init(struct rsnd_priv *priv, struct rsnd_adg *adg)
 		}
 	}
 
-	rsnd_priv_bset(priv, SSICKR, 0x00FF0000, ckr);
-	rsnd_priv_write(priv, BRRA,  0x00000002); /* 1/6 */
-	rsnd_priv_write(priv, BRRB,  0x00000002); /* 1/6 */
+	adg->ckr = ckr;
 }
 
 int rsnd_adg_probe(struct platform_device *pdev,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index a35706028514..b234ed663073 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -103,54 +103,9 @@
  *	rsnd_platform functions
  */
 #define rsnd_platform_call(priv, dai, func, param...)	\
-	(!(priv->info->func) ? -ENODEV :		\
+	(!(priv->info->func) ? 0 :		\
 	 priv->info->func(param))
 
-
-/*
- *	basic function
- */
-u32 rsnd_read(struct rsnd_priv *priv,
-	      struct rsnd_mod *mod, enum rsnd_reg reg)
-{
-	void __iomem *base = rsnd_gen_reg_get(priv, mod, reg);
-
-	BUG_ON(!base);
-
-	return ioread32(base);
-}
-
-void rsnd_write(struct rsnd_priv *priv,
-		struct rsnd_mod *mod,
-		enum rsnd_reg reg, u32 data)
-{
-	void __iomem *base = rsnd_gen_reg_get(priv, mod, reg);
-	struct device *dev = rsnd_priv_to_dev(priv);
-
-	BUG_ON(!base);
-
-	dev_dbg(dev, "w %p : %08x\n", base, data);
-
-	iowrite32(data, base);
-}
-
-void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
-	       enum rsnd_reg reg, u32 mask, u32 data)
-{
-	void __iomem *base = rsnd_gen_reg_get(priv, mod, reg);
-	struct device *dev = rsnd_priv_to_dev(priv);
-	u32 val;
-
-	BUG_ON(!base);
-
-	val = ioread32(base);
-	val &= ~mask;
-	val |= data & mask;
-	iowrite32(val, base);
-
-	dev_dbg(dev, "s %p : %08x\n", base, val);
-}
-
 /*
  *	rsnd_mod functions
  */
@@ -363,6 +318,9 @@ int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai)
 
 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id)
 {
+	if ((id < 0) || (id >= rsnd_dai_nr(priv)))
+		return NULL;
+
 	return priv->rdai + id;
 }
 
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index babb203b43b7..61212ee97c28 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -11,6 +11,11 @@
 #include "rsnd.h"
 
 struct rsnd_gen_ops {
+	int (*probe)(struct platform_device *pdev,
+		     struct rcar_snd_info *info,
+		     struct rsnd_priv *priv);
+	void (*remove)(struct platform_device *pdev,
+		      struct rsnd_priv *priv);
 	int (*path_init)(struct rsnd_priv *priv,
 			 struct rsnd_dai *rdai,
 			 struct rsnd_dai_stream *io);
@@ -19,21 +24,97 @@ struct rsnd_gen_ops {
 			 struct rsnd_dai_stream *io);
 };
 
-struct rsnd_gen_reg_map {
-	int index;	/* -1 : not supported */
-	u32 offset_id;	/* offset of ssi0, ssi1, ssi2... */
-	u32 offset_adr;	/* offset of SSICR, SSISR, ... */
-};
-
 struct rsnd_gen {
 	void __iomem *base[RSND_BASE_MAX];
 
-	struct rsnd_gen_reg_map reg_map[RSND_REG_MAX];
 	struct rsnd_gen_ops *ops;
+
+	struct regmap *regmap;
+	struct regmap_field *regs[RSND_REG_MAX];
 };
 
 #define rsnd_priv_to_gen(p)	((struct rsnd_gen *)(p)->gen)
 
+#define RSND_REG_SET(gen, id, reg_id, offset, _id_offset, _id_size)	\
+	[id] = {							\
+		.reg = (unsigned int)gen->base[reg_id] + offset,	\
+		.lsb = 0,						\
+		.msb = 31,						\
+		.id_size = _id_size,					\
+		.id_offset = _id_offset,				\
+	}
+
+/*
+ *		basic function
+ */
+static int rsnd_regmap_write32(void *context, const void *_data, size_t count)
+{
+	struct rsnd_priv *priv = context;
+	struct device *dev = rsnd_priv_to_dev(priv);
+	u32 *data = (u32 *)_data;
+	u32 val = data[1];
+	void __iomem *reg = (void *)data[0];
+
+	iowrite32(val, reg);
+
+	dev_dbg(dev, "w %p : %08x\n", reg, val);
+
+	return 0;
+}
+
+static int rsnd_regmap_read32(void *context,
+			      const void *_data, size_t reg_size,
+			      void *_val, size_t val_size)
+{
+	struct rsnd_priv *priv = context;
+	struct device *dev = rsnd_priv_to_dev(priv);
+	u32 *data = (u32 *)_data;
+	u32 *val = (u32 *)_val;
+	void __iomem *reg = (void *)data[0];
+
+	*val = ioread32(reg);
+
+	dev_dbg(dev, "r %p : %08x\n", reg, *val);
+
+	return 0;
+}
+
+static struct regmap_bus rsnd_regmap_bus = {
+	.write				= rsnd_regmap_write32,
+	.read				= rsnd_regmap_read32,
+	.reg_format_endian_default	= REGMAP_ENDIAN_NATIVE,
+	.val_format_endian_default	= REGMAP_ENDIAN_NATIVE,
+};
+
+u32 rsnd_read(struct rsnd_priv *priv,
+	      struct rsnd_mod *mod, enum rsnd_reg reg)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+	u32 val;
+
+	regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
+
+	return val;
+}
+
+void rsnd_write(struct rsnd_priv *priv,
+		struct rsnd_mod *mod,
+		enum rsnd_reg reg, u32 data)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	regmap_fields_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)
+{
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
+				  mask, data);
+}
+
 /*
  *		Gen2
  *		will be filled in the future
@@ -98,44 +179,64 @@ static int rsnd_gen1_path_exit(struct rsnd_priv *priv,
 	return ret;
 }
 
-static struct rsnd_gen_ops rsnd_gen1_ops = {
-	.path_init	= rsnd_gen1_path_init,
-	.path_exit	= rsnd_gen1_path_exit,
-};
+/* single address mapping */
+#define RSND_GEN1_S_REG(gen, reg, id, offset)	\
+	RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, 0, 9)
 
-#define RSND_GEN1_REG_MAP(g, s, i, oi, oa)				\
-	do {								\
-		(g)->reg_map[RSND_REG_##i].index  = RSND_GEN1_##s;	\
-		(g)->reg_map[RSND_REG_##i].offset_id = oi;		\
-		(g)->reg_map[RSND_REG_##i].offset_adr = oa;		\
-	} while (0)
+/* multi address mapping */
+#define RSND_GEN1_M_REG(gen, reg, id, offset, _id_offset)	\
+	RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, _id_offset, 9)
 
-static void rsnd_gen1_reg_map_init(struct rsnd_gen *gen)
+static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
 {
-	RSND_GEN1_REG_MAP(gen, SRU,	SRC_ROUTE_SEL,	0x0,	0x00);
-	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL0,	0x0,	0x08);
-	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL1,	0x0,	0x0c);
-	RSND_GEN1_REG_MAP(gen, SRU,	SRC_TMG_SEL2,	0x0,	0x10);
-	RSND_GEN1_REG_MAP(gen, SRU,	SRC_CTRL,	0x0,	0xc0);
-	RSND_GEN1_REG_MAP(gen, SRU,	SSI_MODE0,	0x0,	0xD0);
-	RSND_GEN1_REG_MAP(gen, SRU,	SSI_MODE1,	0x0,	0xD4);
-	RSND_GEN1_REG_MAP(gen, SRU,	BUSIF_MODE,	0x4,	0x20);
-	RSND_GEN1_REG_MAP(gen, SRU,	BUSIF_ADINR,	0x40,	0x214);
-
-	RSND_GEN1_REG_MAP(gen, ADG,	BRRA,		0x0,	0x00);
-	RSND_GEN1_REG_MAP(gen, ADG,	BRRB,		0x0,	0x04);
-	RSND_GEN1_REG_MAP(gen, ADG,	SSICKR,		0x0,	0x08);
-	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL0,	0x0,	0x0c);
-	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL1,	0x0,	0x10);
-	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL3,	0x0,	0x18);
-	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL4,	0x0,	0x1c);
-	RSND_GEN1_REG_MAP(gen, ADG,	AUDIO_CLK_SEL5,	0x0,	0x20);
-
-	RSND_GEN1_REG_MAP(gen, SSI,	SSICR,		0x40,	0x00);
-	RSND_GEN1_REG_MAP(gen, SSI,	SSISR,		0x40,	0x04);
-	RSND_GEN1_REG_MAP(gen, SSI,	SSITDR,		0x40,	0x08);
-	RSND_GEN1_REG_MAP(gen, SSI,	SSIRDR,		0x40,	0x0c);
-	RSND_GEN1_REG_MAP(gen, SSI,	SSIWSR,		0x40,	0x20);
+	int i;
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct regmap_config regc;
+	struct reg_field regf[RSND_REG_MAX] = {
+		RSND_GEN1_S_REG(gen, SRU,	SRC_ROUTE_SEL,	0x00),
+		RSND_GEN1_S_REG(gen, SRU,	SRC_TMG_SEL0,	0x08),
+		RSND_GEN1_S_REG(gen, SRU,	SRC_TMG_SEL1,	0x0c),
+		RSND_GEN1_S_REG(gen, SRU,	SRC_TMG_SEL2,	0x10),
+		RSND_GEN1_S_REG(gen, SRU,	SRC_CTRL,	0xc0),
+		RSND_GEN1_S_REG(gen, SRU,	SSI_MODE0,	0xD0),
+		RSND_GEN1_S_REG(gen, SRU,	SSI_MODE1,	0xD4),
+		RSND_GEN1_M_REG(gen, SRU,	BUSIF_MODE,	0x20,	0x4),
+		RSND_GEN1_M_REG(gen, SRU,	BUSIF_ADINR,	0x214,	0x40),
+
+		RSND_GEN1_S_REG(gen, ADG,	BRRA,		0x00),
+		RSND_GEN1_S_REG(gen, ADG,	BRRB,		0x04),
+		RSND_GEN1_S_REG(gen, ADG,	SSICKR,		0x08),
+		RSND_GEN1_S_REG(gen, ADG,	AUDIO_CLK_SEL0,	0x0c),
+		RSND_GEN1_S_REG(gen, ADG,	AUDIO_CLK_SEL1,	0x10),
+		RSND_GEN1_S_REG(gen, ADG,	AUDIO_CLK_SEL3,	0x18),
+		RSND_GEN1_S_REG(gen, ADG,	AUDIO_CLK_SEL4,	0x1c),
+		RSND_GEN1_S_REG(gen, ADG,	AUDIO_CLK_SEL5,	0x20),
+
+		RSND_GEN1_M_REG(gen, SSI,	SSICR,		0x00,	0x40),
+		RSND_GEN1_M_REG(gen, SSI,	SSISR,		0x04,	0x40),
+		RSND_GEN1_M_REG(gen, SSI,	SSITDR,		0x08,	0x40),
+		RSND_GEN1_M_REG(gen, SSI,	SSIRDR,		0x0c,	0x40),
+		RSND_GEN1_M_REG(gen, SSI,	SSIWSR,		0x20,	0x40),
+	};
+
+	memset(&regc, 0, sizeof(regc));
+	regc.reg_bits = 32;
+	regc.val_bits = 32;
+
+	gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, &regc);
+	if (IS_ERR(gen->regmap)) {
+		dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap));
+		return PTR_ERR(gen->regmap);
+	}
+
+	for (i = 0; i < RSND_REG_MAX; i++) {
+		gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]);
+		if (IS_ERR(gen->regs[i]))
+			return PTR_ERR(gen->regs[i]);
+
+	}
+
+	return 0;
 }
 
 static int rsnd_gen1_probe(struct platform_device *pdev,
@@ -147,6 +248,7 @@ static int rsnd_gen1_probe(struct platform_device *pdev,
 	struct resource *sru_res;
 	struct resource *adg_res;
 	struct resource *ssi_res;
+	int ret;
 
 	/*
 	 * map address
@@ -163,8 +265,9 @@ static int rsnd_gen1_probe(struct platform_device *pdev,
 	    IS_ERR(gen->base[RSND_GEN1_SSI]))
 		return -ENODEV;
 
-	gen->ops = &rsnd_gen1_ops;
-	rsnd_gen1_reg_map_init(gen);
+	ret = rsnd_gen1_regmap_init(priv, gen);
+	if (ret < 0)
+		return ret;
 
 	dev_dbg(dev, "Gen1 device probed\n");
 	dev_dbg(dev, "SRU : %08x => %p\n",	sru_res->start,
@@ -183,6 +286,13 @@ static void rsnd_gen1_remove(struct platform_device *pdev,
 {
 }
 
+static struct rsnd_gen_ops rsnd_gen1_ops = {
+	.probe		= rsnd_gen1_probe,
+	.remove		= rsnd_gen1_remove,
+	.path_init	= rsnd_gen1_path_init,
+	.path_exit	= rsnd_gen1_path_exit,
+};
+
 /*
  *		Gen
  */
@@ -204,46 +314,12 @@ int rsnd_gen_path_exit(struct rsnd_priv *priv,
 	return gen->ops->path_exit(priv, rdai, io);
 }
 
-void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
-			       struct rsnd_mod *mod,
-			       enum rsnd_reg reg)
-{
-	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
-	struct device *dev = rsnd_priv_to_dev(priv);
-	int index;
-	u32 offset_id, offset_adr;
-
-	if (reg >= RSND_REG_MAX) {
-		dev_err(dev, "rsnd_reg reg error\n");
-		return NULL;
-	}
-
-	index		= gen->reg_map[reg].index;
-	offset_id	= gen->reg_map[reg].offset_id;
-	offset_adr	= gen->reg_map[reg].offset_adr;
-
-	if (index < 0) {
-		dev_err(dev, "unsupported reg access %d\n", reg);
-		return NULL;
-	}
-
-	if (offset_id && mod)
-		offset_id *= rsnd_mod_id(mod);
-
-	/*
-	 * index/offset were set on gen1/gen2
-	 */
-
-	return gen->base[index] + offset_id + offset_adr;
-}
-
 int rsnd_gen_probe(struct platform_device *pdev,
 		   struct rcar_snd_info *info,
 		   struct rsnd_priv *priv)
 {
 	struct device *dev = rsnd_priv_to_dev(priv);
 	struct rsnd_gen *gen;
-	int i;
 
 	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
 	if (!gen) {
@@ -251,30 +327,23 @@ int rsnd_gen_probe(struct platform_device *pdev,
 		return -ENOMEM;
 	}
 
-	priv->gen = gen;
-
-	/*
-	 * see
-	 *	rsnd_reg_get()
-	 *	rsnd_gen_probe()
-	 */
-	for (i = 0; i < RSND_REG_MAX; i++)
-		gen->reg_map[i].index = -1;
-
-	/*
-	 *	init each module
-	 */
 	if (rsnd_is_gen1(priv))
-		return rsnd_gen1_probe(pdev, info, priv);
+		gen->ops = &rsnd_gen1_ops;
 
-	dev_err(dev, "unknown generation R-Car sound device\n");
+	if (!gen->ops) {
+		dev_err(dev, "unknown generation R-Car sound device\n");
+		return -ENODEV;
+	}
 
-	return -ENODEV;
+	priv->gen = gen;
+
+	return gen->ops->probe(pdev, info, priv);
 }
 
 void rsnd_gen_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv)
 {
-	if (rsnd_is_gen1(priv))
-		rsnd_gen1_remove(pdev, priv);
+	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+	gen->ops->remove(pdev, priv);
 }
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 5dd87f4c919e..9e463e50e7e6 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -78,10 +78,6 @@ struct rsnd_dai_stream;
 #define rsnd_mod_bset(m, r, s, d) \
 	rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
 
-#define rsnd_priv_read(p, r)		rsnd_read(p, NULL, RSND_REG_##r)
-#define rsnd_priv_write(p, r, d)	rsnd_write(p, NULL, RSND_REG_##r, d)
-#define rsnd_priv_bset(p, r, s, d)	rsnd_bset(p, NULL, 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);
@@ -285,6 +281,7 @@ int rsnd_scu_probe(struct platform_device *pdev,
 void rsnd_scu_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id);
+bool rsnd_scu_hpbif_is_enable(struct rsnd_mod *mod);
 #define rsnd_scu_nr(priv) ((priv)->scu_nr)
 
 /*
diff --git a/sound/soc/sh/rcar/scu.c b/sound/soc/sh/rcar/scu.c
index 2df2e9150b89..1ab1bce6be7f 100644
--- a/sound/soc/sh/rcar/scu.c
+++ b/sound/soc/sh/rcar/scu.c
@@ -146,20 +146,26 @@ static int rsnd_scu_set_hpbif(struct rsnd_priv *priv,
 	return 0;
 }
 
+bool rsnd_scu_hpbif_is_enable(struct rsnd_mod *mod)
+{
+	struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+	u32 flags = rsnd_scu_mode_flags(scu);
+
+	return !!(flags & RSND_SCU_USE_HPBIF);
+}
+
 static int rsnd_scu_start(struct rsnd_mod *mod,
 			  struct rsnd_dai *rdai,
 			  struct rsnd_dai_stream *io)
 {
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
-	struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
 	struct device *dev = rsnd_priv_to_dev(priv);
-	u32 flags = rsnd_scu_mode_flags(scu);
 	int ret;
 
 	/*
 	 * SCU will be used if it has RSND_SCU_USE_HPBIF flags
 	 */
-	if (!(flags & RSND_SCU_USE_HPBIF)) {
+	if (!rsnd_scu_hpbif_is_enable(mod)) {
 		/* it use PIO transter */
 		dev_dbg(dev, "%s%d is not used\n",
 			rsnd_mod_name(mod), rsnd_mod_id(mod));
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index fae26d3f79d2..b71cf9d7dd3f 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -101,29 +101,30 @@ struct rsnd_ssiu {
 #define rsnd_ssi_to_ssiu(ssi)\
 	(((struct rsnd_ssiu *)((ssi) - rsnd_mod_id(&(ssi)->mod))) - 1)
 
-static void rsnd_ssi_mode_init(struct rsnd_priv *priv,
-			       struct rsnd_ssiu *ssiu)
+static void rsnd_ssi_mode_set(struct rsnd_priv *priv,
+			      struct rsnd_dai *rdai,
+			      struct rsnd_ssi *ssi)
 {
 	struct device *dev = rsnd_priv_to_dev(priv);
-	struct rsnd_ssi *ssi;
+	struct rsnd_mod *scu;
+	struct rsnd_ssiu *ssiu = rsnd_ssi_to_ssiu(ssi);
+	int id = rsnd_mod_id(&ssi->mod);
 	u32 flags;
 	u32 val;
-	int i;
+
+	scu   = rsnd_scu_mod_get(priv, rsnd_mod_id(&ssi->mod));
 
 	/*
 	 * SSI_MODE0
 	 */
-	ssiu->ssi_mode0 = 0;
-	for_each_rsnd_ssi(ssi, priv, i) {
-		flags = rsnd_ssi_mode_flags(ssi);
-
-		/* see also BUSIF_MODE */
-		if (!(flags & RSND_SSI_DEPENDENT)) {
-			ssiu->ssi_mode0 |= (1 << i);
-			dev_dbg(dev, "SSI%d uses INDEPENDENT mode\n", i);
-		} else {
-			dev_dbg(dev, "SSI%d uses DEPENDENT mode\n", i);
-		}
+
+	/* see also BUSIF_MODE */
+	if (rsnd_scu_hpbif_is_enable(scu)) {
+		ssiu->ssi_mode0 &= ~(1 << id);
+		dev_dbg(dev, "SSI%d uses DEPENDENT mode\n", id);
+	} else {
+		ssiu->ssi_mode0 |= (1 << id);
+		dev_dbg(dev, "SSI%d uses INDEPENDENT mode\n", id);
 	}
 
 	/*
@@ -132,7 +133,7 @@ static void rsnd_ssi_mode_init(struct rsnd_priv *priv,
 #define ssi_parent_set(p, sync, adg, ext)		\
 	do {						\
 		ssi->parent = ssiu->ssi + p;		\
-		if (flags & RSND_SSI_CLK_FROM_ADG)	\
+		if (rsnd_rdai_is_clk_master(rdai))	\
 			val = adg;			\
 		else					\
 			val = ext;			\
@@ -140,15 +141,11 @@ static void rsnd_ssi_mode_init(struct rsnd_priv *priv,
 			val |= sync;			\
 	} while (0)
 
-	ssiu->ssi_mode1 = 0;
-	for_each_rsnd_ssi(ssi, priv, i) {
-		flags = rsnd_ssi_mode_flags(ssi);
-
-		if (!(flags & RSND_SSI_CLK_PIN_SHARE))
-			continue;
+	flags = rsnd_ssi_mode_flags(ssi);
+	if (flags & RSND_SSI_CLK_PIN_SHARE) {
 
 		val = 0;
-		switch (i) {
+		switch (id) {
 		case 1:
 			ssi_parent_set(0, (1 << 4), (0x2 << 0), (0x1 << 0));
 			break;
@@ -165,11 +162,6 @@ static void rsnd_ssi_mode_init(struct rsnd_priv *priv,
 
 		ssiu->ssi_mode1 |= val;
 	}
-}
-
-static void rsnd_ssi_mode_set(struct rsnd_ssi *ssi)
-{
-	struct rsnd_ssiu *ssiu = rsnd_ssi_to_ssiu(ssi);
 
 	rsnd_mod_write(&ssi->mod, SSI_MODE0, ssiu->ssi_mode0);
 	rsnd_mod_write(&ssi->mod, SSI_MODE1, ssiu->ssi_mode1);
@@ -379,7 +371,7 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
 	ssi->cr_own	= cr;
 	ssi->err	= -1; /* ignore 1st error */
 
-	rsnd_ssi_mode_set(ssi);
+	rsnd_ssi_mode_set(priv, rdai, ssi);
 
 	dev_dbg(dev, "%s.%d init\n", rsnd_mod_name(mod), rsnd_mod_id(mod));
 
@@ -706,8 +698,6 @@ int rsnd_ssi_probe(struct platform_device *pdev,
 		rsnd_mod_init(priv, &ssi->mod, ops, i);
 	}
 
-	rsnd_ssi_mode_init(priv, ssiu);
-
 	dev_dbg(dev, "ssi probed\n");
 
 	return 0;