Unverified Commit 1f9c82b5 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: rsnd: add debugfs support 



Current rsnd supports #define DEBUG, but it is not helpful
if issue happen after 4-5 hours.
This patch adds debugfs support for it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Message-Id: <87y2c0lwyn.wl-kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 1788a152

sound/soc/sh/rcar/Makefile

+1 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0

snd-soc-rcar-objs	:= core.o gen.o dma.o adg.o ssi.o ssiu.o src.o ctu.o mix.o dvc.o cmd.o

snd-soc-rcar-objs	:= core.o gen.o dma.o adg.o ssi.o ssiu.o src.o ctu.o mix.o dvc.o cmd.o debugfs.o

obj-$(CONFIG_SND_SOC_RCAR)	+= snd-soc-rcar.o

sound/soc/sh/rcar/adg.c

+26 −9
Original line number Diff line number Diff line
@@ -583,32 +583,49 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, 
	adg->rbgb = rbgb;

}



#ifdef DEBUG

static void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct rsnd_adg *adg)

#if defined(DEBUG) || defined(CONFIG_DEBUG_FS)

static void dbg_msg(struct device *dev, struct seq_file *m,

				   const char *fmt, ...)

{

	char msg[128];

	va_list args;



	va_start(args, fmt);

	vsnprintf(msg, sizeof(msg), fmt, args);

	va_end(args);



	if (m)

		seq_puts(m, msg);

	else

		dev_dbg(dev, "%s", msg);

}



void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct seq_file *m)

{

	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);

	struct device *dev = rsnd_priv_to_dev(priv);

	struct clk *clk;

	int i;



	for_each_rsnd_clk(clk, adg, i)

		dev_dbg(dev, "%s    : %pa : %ld\n",

		dbg_msg(dev, m, "%s    : %pa : %ld\n",

			clk_name[i], clk, clk_get_rate(clk));



	dev_dbg(dev, "BRGCKR = 0x%08x, BRRA/BRRB = 0x%x/0x%x\n",

	dbg_msg(dev, m, "BRGCKR = 0x%08x, BRRA/BRRB = 0x%x/0x%x\n",

		adg->ckr, adg->rbga, adg->rbgb);

	dev_dbg(dev, "BRGA (for 44100 base) = %d\n", adg->rbga_rate_for_441khz);

	dev_dbg(dev, "BRGB (for 48000 base) = %d\n", adg->rbgb_rate_for_48khz);

	dbg_msg(dev, m, "BRGA (for 44100 base) = %d\n", adg->rbga_rate_for_441khz);

	dbg_msg(dev, m, "BRGB (for 48000 base) = %d\n", adg->rbgb_rate_for_48khz);



	/*

	 * Actual CLKOUT will be exchanged in rsnd_adg_ssi_clk_try_start()

	 * by BRGCKR::BRGCKR_31

	 */

	for_each_rsnd_clkout(clk, adg, i)

		dev_dbg(dev, "clkout %d : %pa : %ld\n", i,

		dbg_msg(dev, m, "clkout %d : %pa : %ld\n", i,

			clk, clk_get_rate(clk));

}

#else

#define rsnd_adg_clk_dbg_info(priv, adg)

#define rsnd_adg_clk_dbg_info(priv, m)

#endif



int rsnd_adg_probe(struct rsnd_priv *priv)
@@ -628,11 +645,11 @@ int rsnd_adg_probe(struct rsnd_priv *priv) 


	rsnd_adg_get_clkin(priv, adg);

	rsnd_adg_get_clkout(priv, adg);

	rsnd_adg_clk_dbg_info(priv, adg);



	priv->adg = adg;



	rsnd_adg_clk_enable(priv);

	rsnd_adg_clk_dbg_info(priv, NULL);



	return 0;

}

sound/soc/sh/rcar/cmd.c

+14 −0
Original line number Diff line number Diff line
@@ -114,12 +114,26 @@ static int rsnd_cmd_stop(struct rsnd_mod *mod, 
	return 0;

}



#ifdef CONFIG_DEBUG_FS

static void rsnd_cmd_debug_info(struct seq_file *m,

				struct rsnd_dai_stream *io,

				struct rsnd_mod *mod)

{

	rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU,

				  0x180 + rsnd_mod_id_raw(mod) * 0x20, 0x30);

}

#define DEBUG_INFO .debug_info = rsnd_cmd_debug_info

#else

#define DEBUG_INFO

#endif



static struct rsnd_mod_ops rsnd_cmd_ops = {

	.name		= CMD_NAME,

	.init		= rsnd_cmd_init,

	.start		= rsnd_cmd_start,

	.stop		= rsnd_cmd_stop,

	.get_status	= rsnd_mod_get_status,

	DEBUG_INFO

};



static struct rsnd_mod *rsnd_cmd_mod_get(struct rsnd_priv *priv, int id)

sound/soc/sh/rcar/core.c

+1 −0
Original line number Diff line number Diff line
@@ -1717,6 +1717,7 @@ int rsnd_kctrl_new(struct rsnd_mod *mod, 
 */

static const struct snd_soc_component_driver rsnd_soc_component = {

	.name		= "rsnd",

	.probe		= rsnd_debugfs_probe,

	.hw_params	= rsnd_hw_params,

	.hw_free	= rsnd_hw_free,

	.pointer	= rsnd_pointer,

sound/soc/sh/rcar/ctu.c

+14 −0
Original line number Diff line number Diff line
@@ -275,6 +275,19 @@ static int rsnd_ctu_id_sub(struct rsnd_mod *mod) 
	return mod->id % 4;

}



#ifdef CONFIG_DEBUG_FS

static void rsnd_ctu_debug_info(struct seq_file *m,

				struct rsnd_dai_stream *io,

				struct rsnd_mod *mod)

{

	rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU,

				  0x500 + rsnd_mod_id_raw(mod) * 0x100, 0x100);

}

#define DEBUG_INFO .debug_info = rsnd_ctu_debug_info

#else

#define DEBUG_INFO

#endif



static struct rsnd_mod_ops rsnd_ctu_ops = {

	.name		= CTU_NAME,

	.probe		= rsnd_ctu_probe_,
@@ -285,6 +298,7 @@ static struct rsnd_mod_ops rsnd_ctu_ops = { 
	.id		= rsnd_ctu_id,

	.id_sub		= rsnd_ctu_id_sub,

	.id_cmd		= rsnd_mod_id_raw,

	DEBUG_INFO

};



struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)