From d7bdbc5d9e4e813522f46632527826211270b9d0 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 8 May 2014 17:44:14 -0700
Subject: [PATCH] ASoC: rsnd: add rsnd_get_adinr()

SRC module needs ADINR register settings,
but, it has many similar xxx_ADINR register,
and needs same settings.
This patch adds rsnd_get_adinr() to sharing code.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---
 sound/soc/sh/rcar/core.c | 26 ++++++++++++++++++++++++++
 sound/soc/sh/rcar/rsnd.h |  1 +
 sound/soc/sh/rcar/src.c  | 26 +++-----------------------
 3 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index f74d02cb70f1..e47aa53471b1 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -309,6 +309,32 @@ void  rsnd_dma_quit(struct rsnd_priv *priv,
 	dma->chan = NULL;
 }
 
+/*
+ *	settting function
+ */
+u32 rsnd_get_adinr(struct rsnd_mod *mod)
+{
+	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	u32 adinr = runtime->channels;
+
+	switch (runtime->sample_bits) {
+	case 16:
+		adinr |= (8 << 16);
+		break;
+	case 32:
+		adinr |= (0 << 16);
+		break;
+	default:
+		dev_warn(dev, "not supported sample bits\n");
+		return 0;
+	}
+
+	return adinr;
+}
+
 /*
  *	rsnd_dai functions
  */
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 061b04cbd7d5..fee3ec21aaeb 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -136,6 +136,7 @@ void rsnd_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);
 
 /*
  *	R-Car DMA
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index d51c59bf7c47..c90c36d41799 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -18,15 +18,6 @@ struct rsnd_src {
 
 #define RSND_SRC_NAME_SIZE 16
 
-/*
- * ADINR
- */
-#define OTBL_24		(0 << 16)
-#define OTBL_22		(2 << 16)
-#define OTBL_20		(4 << 16)
-#define OTBL_18		(6 << 16)
-#define OTBL_16		(8 << 16)
-
 #define rsnd_src_convert_rate(p) ((p)->info->convert_rate)
 #define rsnd_mod_to_src(_mod)				\
 	container_of((_mod), struct rsnd_src, mod)
@@ -197,7 +188,6 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
 	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
 	struct rsnd_src *src = rsnd_mod_to_src(mod);
 	u32 convert_rate = rsnd_src_convert_rate(src);
-	u32 adinr = runtime->channels;
 	u32 fsrate = 0;
 
 	if (convert_rate)
@@ -214,17 +204,7 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
 	rsnd_mod_write(mod, SRC_SRCIR, 1);
 
 	/* Set channel number and output bit length */
-	switch (runtime->sample_bits) {
-	case 16:
-		adinr |= OTBL_16;
-		break;
-	case 32:
-		adinr |= OTBL_24;
-		break;
-	default:
-		return -EIO;
-	}
-	rsnd_mod_write(mod, SRC_ADINR, adinr);
+	rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod));
 
 	/* Enable the initial value of IFS */
 	if (fsrate) {
@@ -487,8 +467,8 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
 	if (ret < 0)
 		return ret;
 
-	rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_mod_read(mod, SRC_ADINR));
-	rsnd_mod_write(mod, SSI_BUSIF_MODE,  rsnd_mod_read(mod, SRC_BUSIF_MODE));
+	rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_get_adinr(mod));
+	rsnd_mod_write(mod, SSI_BUSIF_MODE,  1);
 
 	rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);