ASoC: rsnd: rsnd_mod controls clock

Current rsnd driver's mod (= ssi/src/dvc) have each own clk,
but, these are needed to start/stop each mod.
This patch adds struct clk in rsnd_mod, and start/stop these
via rsnd_mod_hw_start/stop() macro

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -152,6 +152,7 @@ char *rsnd_mod_dma_name(struct rsnd_mod *mod)
 void rsnd_mod_init(struct rsnd_priv *priv,
 		   struct rsnd_mod *mod,
 		   struct rsnd_mod_ops *ops,
+		   struct clk *clk,
 		   enum rsnd_mod_type type,
 		   int id)
 {
@@ -159,6 +160,7 @@ void rsnd_mod_init(struct rsnd_priv *priv,
 	mod->id		= id;
 	mod->ops	= ops;
 	mod->type	= type;
+	mod->clk	= clk;
 }
 
 /*

sound/soc/sh/rcar/dvc.c

@@ -17,7 +17,6 @@
 struct rsnd_dvc {
 	struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
 	struct rsnd_mod mod;
-	struct clk *clk;
 	struct rsnd_kctrl_cfg_m volume;
 	struct rsnd_kctrl_cfg_m mute;
 	struct rsnd_kctrl_cfg_s ren;	/* Ramp Enable */
@@ -132,7 +131,6 @@ static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod,
 static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
 			 struct rsnd_dai *rdai)
 {
-	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(dvc_mod);
 	struct rsnd_dai_stream *io = rsnd_mod_to_io(dvc_mod);
 	struct rsnd_priv *priv = rsnd_mod_to_priv(dvc_mod);
 	struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
@@ -153,7 +151,7 @@ static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
 		return -EINVAL;
 	}
 
-	clk_prepare_enable(dvc->clk);
+	rsnd_mod_hw_start(dvc_mod);
 
 	/*
 	 * fixme
@@ -181,9 +179,7 @@ static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
 static int rsnd_dvc_quit(struct rsnd_mod *mod,
 			 struct rsnd_dai *rdai)
 {
-	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+	rsnd_mod_hw_stop(mod);
-
-	clk_disable_unprepare(dvc->clk);
 
 	return 0;
 }
@@ -356,9 +352,9 @@ int rsnd_dvc_probe(struct platform_device *pdev,
 			return PTR_ERR(clk);
 
 		dvc->info = &info->dvc_info[i];
-		dvc->clk  = clk;
 
-		rsnd_mod_init(priv, &dvc->mod, &rsnd_dvc_ops, RSND_MOD_DVC, i);
+		rsnd_mod_init(priv, &dvc->mod, &rsnd_dvc_ops,
+			      clk, RSND_MOD_DVC, i);
 
 		dev_dbg(dev, "CMD%d probed\n", i);
 	}

sound/soc/sh/rcar/rsnd.h

@@ -226,6 +226,7 @@ struct rsnd_mod {
 	struct rsnd_mod_ops *ops;
 	struct rsnd_dma dma;
 	struct rsnd_dai_stream *io;
+	struct clk *clk;
 	u32 status;
 };
 /*
@@ -261,10 +262,13 @@ struct rsnd_mod {
 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
 #define rsnd_mod_to_io(mod) ((mod)->io)
 #define rsnd_mod_id(mod) ((mod)->id)
+#define rsnd_mod_hw_start(mod)	clk_prepare_enable((mod)->clk)
+#define rsnd_mod_hw_stop(mod)	clk_disable_unprepare((mod)->clk)
 
 void rsnd_mod_init(struct rsnd_priv *priv,
 		   struct rsnd_mod *mod,
 		   struct rsnd_mod_ops *ops,
+		   struct clk *clk,
 		   enum rsnd_mod_type type,
 		   int id);
 char *rsnd_mod_name(struct rsnd_mod *mod);

sound/soc/sh/rcar/src.c

@@ -22,7 +22,6 @@
 struct rsnd_src {
 	struct rsnd_src_platform_info *info; /* rcar_snd.h */
 	struct rsnd_mod mod;
-	struct clk *clk;
 	int err;
 };
 
@@ -286,7 +285,7 @@ static int rsnd_src_init(struct rsnd_mod *mod,
 {
 	struct rsnd_src *src = rsnd_mod_to_src(mod);
 
-	clk_prepare_enable(src->clk);
+	rsnd_mod_hw_start(mod);
 
 	src->err = 0;
 
@@ -306,7 +305,7 @@ static int rsnd_src_quit(struct rsnd_mod *mod,
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
 	struct device *dev = rsnd_priv_to_dev(priv);
 
-	clk_disable_unprepare(src->clk);
+	rsnd_mod_hw_stop(mod);
 
 	if (src->err)
 		dev_warn(dev, "src under/over flow err = %d\n", src->err);
@@ -902,9 +901,8 @@ int rsnd_src_probe(struct platform_device *pdev,
 			return PTR_ERR(clk);
 
 		src->info = &info->src_info[i];
-		src->clk = clk;
 
-		rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i);
+		rsnd_mod_init(priv, &src->mod, ops, clk, RSND_MOD_SRC, i);
 
 		dev_dbg(dev, "SRC%d probed\n", i);
 	}

sound/soc/sh/rcar/ssi.c

@@ -60,7 +60,6 @@
 #define SSI_NAME "ssi"
 
 struct rsnd_ssi {
-	struct clk *clk;
 	struct rsnd_ssi_platform_info *info; /* rcar_snd.h */
 	struct rsnd_ssi *parent;
 	struct rsnd_mod mod;
@@ -188,7 +187,7 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
 	u32 cr;
 
 	if (0 == ssi->usrcnt) {
-		clk_prepare_enable(ssi->clk);
+		rsnd_mod_hw_start(&ssi->mod);
 
 		if (rsnd_dai_is_clk_master(rdai)) {
 			if (rsnd_ssi_clk_from_parent(ssi))
@@ -260,7 +259,7 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
 				rsnd_ssi_master_clk_stop(ssi);
 		}
 
-		clk_disable_unprepare(ssi->clk);
+		rsnd_mod_hw_stop(&ssi->mod);
 	}
 
 	dev_dbg(dev, "%s[%d] hw stopped\n",
@@ -731,7 +730,6 @@ int rsnd_ssi_probe(struct platform_device *pdev,
 			return PTR_ERR(clk);
 
 		ssi->info	= pinfo;
-		ssi->clk	= clk;
 
 		ops = &rsnd_ssi_non_ops;
 		if (pinfo->dma_id > 0)
@@ -739,7 +737,7 @@ int rsnd_ssi_probe(struct platform_device *pdev,
 		else if (rsnd_ssi_pio_available(ssi))
 			ops = &rsnd_ssi_pio_ops;
 
-		rsnd_mod_init(priv, &ssi->mod, ops, RSND_MOD_SSI, i);
+		rsnd_mod_init(priv, &ssi->mod, ops, clk, RSND_MOD_SSI, i);
 
 		rsnd_ssi_parent_clk_setup(priv, ssi);
 	}