Commit 85642952 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 9d0e202f

sound/soc/sh/rcar/core.c

+2 −0
Original line number Diff line number Diff line
@@ -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

+4 −8
Original line number Diff line number Diff line
@@ -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);



	clk_disable_unprepare(dvc->clk);

	rsnd_mod_hw_stop(mod);



	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

+4 −0
Original line number Diff line number Diff line
@@ -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

+3 −5
Original line number Diff line number Diff line
@@ -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

+3 −5
Original line number Diff line number Diff line
@@ -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);

	}

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