Unverified Commit c3212829 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: soc-pcm: move CONFIG_DEBUG_FS functions to top side 



This is prepare for CONFIG_DEBUG_FS cleanup

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878skzjc9k.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 52645e33

sound/soc/soc-pcm.c

+138 −138
Original line number Diff line number Diff line
@@ -28,6 +28,144 @@ 


#define DPCM_MAX_BE_USERS	8



#ifdef CONFIG_DEBUG_FS

static const char *dpcm_state_string(enum snd_soc_dpcm_state state)

{

	switch (state) {

	case SND_SOC_DPCM_STATE_NEW:

		return "new";

	case SND_SOC_DPCM_STATE_OPEN:

		return "open";

	case SND_SOC_DPCM_STATE_HW_PARAMS:

		return "hw_params";

	case SND_SOC_DPCM_STATE_PREPARE:

		return "prepare";

	case SND_SOC_DPCM_STATE_START:

		return "start";

	case SND_SOC_DPCM_STATE_STOP:

		return "stop";

	case SND_SOC_DPCM_STATE_SUSPEND:

		return "suspend";

	case SND_SOC_DPCM_STATE_PAUSED:

		return "paused";

	case SND_SOC_DPCM_STATE_HW_FREE:

		return "hw_free";

	case SND_SOC_DPCM_STATE_CLOSE:

		return "close";

	}



	return "unknown";

}



static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,

			       int stream, char *buf, size_t size)

{

	struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params;

	struct snd_soc_dpcm *dpcm;

	ssize_t offset = 0;

	unsigned long flags;



	/* FE state */

	offset += snprintf(buf + offset, size - offset,

			   "[%s - %s]\n", fe->dai_link->name,

			   stream ? "Capture" : "Playback");



	offset += snprintf(buf + offset, size - offset, "State: %s\n",

			   dpcm_state_string(fe->dpcm[stream].state));



	if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&

	    (fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))

		offset += snprintf(buf + offset, size - offset,

				   "Hardware Params: "

				   "Format = %s, Channels = %d, Rate = %d\n",

				   snd_pcm_format_name(params_format(params)),

				   params_channels(params),

				   params_rate(params));



	/* BEs state */

	offset += snprintf(buf + offset, size - offset, "Backends:\n");



	if (list_empty(&fe->dpcm[stream].be_clients)) {

		offset += snprintf(buf + offset, size - offset,

				   " No active DSP links\n");

		goto out;

	}



	spin_lock_irqsave(&fe->card->dpcm_lock, flags);

	for_each_dpcm_be(fe, stream, dpcm) {

		struct snd_soc_pcm_runtime *be = dpcm->be;

		params = &dpcm->hw_params;



		offset += snprintf(buf + offset, size - offset,

				   "- %s\n", be->dai_link->name);



		offset += snprintf(buf + offset, size - offset,

				   "   State: %s\n",

				   dpcm_state_string(be->dpcm[stream].state));



		if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&

		    (be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))

			offset += snprintf(buf + offset, size - offset,

					   "   Hardware Params: "

					   "Format = %s, Channels = %d, Rate = %d\n",

					   snd_pcm_format_name(params_format(params)),

					   params_channels(params),

					   params_rate(params));

	}

	spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);

out:

	return offset;

}



static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,

				    size_t count, loff_t *ppos)

{

	struct snd_soc_pcm_runtime *fe = file->private_data;

	ssize_t out_count = PAGE_SIZE, offset = 0, ret = 0;

	int stream;

	char *buf;



	buf = kmalloc(out_count, GFP_KERNEL);

	if (!buf)

		return -ENOMEM;



	for_each_pcm_streams(stream)

		if (snd_soc_dai_stream_valid(fe->cpu_dai, stream))

			offset += dpcm_show_state(fe, stream,

						  buf + offset,

						  out_count - offset);



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, offset);



	kfree(buf);

	return ret;

}



static const struct file_operations dpcm_state_fops = {

	.open = simple_open,

	.read = dpcm_state_read_file,

	.llseek = default_llseek,

};



void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)

{

	if (!rtd->dai_link)

		return;



	if (!rtd->dai_link->dynamic)

		return;



	if (!rtd->card->debugfs_card_root)

		return;



	rtd->debugfs_dpcm_root = debugfs_create_dir(rtd->dai_link->name,

						    rtd->card->debugfs_card_root);



	debugfs_create_file("state", 0444, rtd->debugfs_dpcm_root,

			    rtd, &dpcm_state_fops);

}

#endif



static int soc_rtd_startup(struct snd_soc_pcm_runtime *rtd,

			   struct snd_pcm_substream *substream)

{
@@ -2930,141 +3068,3 @@ int snd_soc_dpcm_can_be_params(struct snd_soc_pcm_runtime *fe, 
	return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state));

}

EXPORT_SYMBOL_GPL(snd_soc_dpcm_can_be_params);
 


#ifdef CONFIG_DEBUG_FS

static const char *dpcm_state_string(enum snd_soc_dpcm_state state)

{

	switch (state) {

	case SND_SOC_DPCM_STATE_NEW:

		return "new";

	case SND_SOC_DPCM_STATE_OPEN:

		return "open";

	case SND_SOC_DPCM_STATE_HW_PARAMS:

		return "hw_params";

	case SND_SOC_DPCM_STATE_PREPARE:

		return "prepare";

	case SND_SOC_DPCM_STATE_START:

		return "start";

	case SND_SOC_DPCM_STATE_STOP:

		return "stop";

	case SND_SOC_DPCM_STATE_SUSPEND:

		return "suspend";

	case SND_SOC_DPCM_STATE_PAUSED:

		return "paused";

	case SND_SOC_DPCM_STATE_HW_FREE:

		return "hw_free";

	case SND_SOC_DPCM_STATE_CLOSE:

		return "close";

	}



	return "unknown";

}



static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,

				int stream, char *buf, size_t size)

{

	struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params;

	struct snd_soc_dpcm *dpcm;

	ssize_t offset = 0;

	unsigned long flags;



	/* FE state */

	offset += snprintf(buf + offset, size - offset,

			"[%s - %s]\n", fe->dai_link->name,

			stream ? "Capture" : "Playback");



	offset += snprintf(buf + offset, size - offset, "State: %s\n",

	                dpcm_state_string(fe->dpcm[stream].state));



	if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&

	    (fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))

		offset += snprintf(buf + offset, size - offset,

				"Hardware Params: "

				"Format = %s, Channels = %d, Rate = %d\n",

				snd_pcm_format_name(params_format(params)),

				params_channels(params),

				params_rate(params));



	/* BEs state */

	offset += snprintf(buf + offset, size - offset, "Backends:\n");



	if (list_empty(&fe->dpcm[stream].be_clients)) {

		offset += snprintf(buf + offset, size - offset,

				" No active DSP links\n");

		goto out;

	}



	spin_lock_irqsave(&fe->card->dpcm_lock, flags);

	for_each_dpcm_be(fe, stream, dpcm) {

		struct snd_soc_pcm_runtime *be = dpcm->be;

		params = &dpcm->hw_params;



		offset += snprintf(buf + offset, size - offset,

				"- %s\n", be->dai_link->name);



		offset += snprintf(buf + offset, size - offset,

				"   State: %s\n",

				dpcm_state_string(be->dpcm[stream].state));



		if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&

		    (be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))

			offset += snprintf(buf + offset, size - offset,

				"   Hardware Params: "

				"Format = %s, Channels = %d, Rate = %d\n",

				snd_pcm_format_name(params_format(params)),

				params_channels(params),

				params_rate(params));

	}

	spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);

out:

	return offset;

}



static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,

				size_t count, loff_t *ppos)

{

	struct snd_soc_pcm_runtime *fe = file->private_data;

	ssize_t out_count = PAGE_SIZE, offset = 0, ret = 0;

	int stream;

	char *buf;



	buf = kmalloc(out_count, GFP_KERNEL);

	if (!buf)

		return -ENOMEM;



	for_each_pcm_streams(stream)

		if (snd_soc_dai_stream_valid(fe->cpu_dai, stream))

			offset += dpcm_show_state(fe, stream,

						  buf + offset,

						  out_count - offset);



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, offset);



	kfree(buf);

	return ret;

}



static const struct file_operations dpcm_state_fops = {

	.open = simple_open,

	.read = dpcm_state_read_file,

	.llseek = default_llseek,

};



void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)

{

	if (!rtd->dai_link)

		return;



	if (!rtd->dai_link->dynamic)

		return;



	if (!rtd->card->debugfs_card_root)

		return;



	rtd->debugfs_dpcm_root = debugfs_create_dir(rtd->dai_link->name,

			rtd->card->debugfs_card_root);



	debugfs_create_file("state", 0444, rtd->debugfs_dpcm_root,

			    rtd, &dpcm_state_fops);

}

#endif