{
int ret = 0;
- if (dapm->set_bias_level)
- ret = dapm->set_bias_level(dapm, level);
+ if (dapm->component)
+ ret = snd_soc_component_set_bias_level(dapm->component, level);
if (ret == 0)
dapm->bias_level = level;
return 0;
}
+/*
+ * Recursively reset the cached number of inputs or outputs for the specified
+ * widget and all widgets that can be reached via incoming or outcoming paths
+ * from the widget.
+ */
+static void invalidate_paths_ep(struct snd_soc_dapm_widget *widget,
+ enum snd_soc_dapm_direction dir)
+{
+ enum snd_soc_dapm_direction rdir = SND_SOC_DAPM_DIR_REVERSE(dir);
+ struct snd_soc_dapm_path *path;
+
+ widget->endpoints[dir] = -1;
+
+ snd_soc_dapm_widget_for_each_path(widget, rdir, path) {
+ if (path->weak || path->is_supply)
+ continue;
+
+ if (path->walking)
+ return;
+
+ if (path->connect) {
+ path->walking = 1;
+ invalidate_paths_ep(path->node[dir], dir);
+ path->walking = 0;
+ }
+ }
+}
+
/*
* Common implementation for is_connected_output_ep() and
* is_connected_input_ep(). The function is inlined since the combined size of
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
- /*
- * For is_connected_{output,input}_ep fully discover the graph we need
- * to reset the cached number of inputs and outputs.
- */
- list_for_each_entry(w, &card->widgets, list) {
- w->endpoints[SND_SOC_DAPM_DIR_IN] = -1;
- w->endpoints[SND_SOC_DAPM_DIR_OUT] = -1;
- }
-
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- paths = is_connected_output_ep(dai->playback_widget, &widgets,
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ w = dai->playback_widget;
+ invalidate_paths_ep(w, SND_SOC_DAPM_DIR_OUT);
+ paths = is_connected_output_ep(w, &widgets,
custom_stop_condition);
- else
- paths = is_connected_input_ep(dai->capture_widget, &widgets,
+ } else {
+ w = dai->capture_widget;
+ invalidate_paths_ep(w, SND_SOC_DAPM_DIR_IN);
+ paths = is_connected_input_ep(w, &widgets,
custom_stop_condition);
+ }
/* Drop starting point */
list_del(widgets.next);
if (!list_empty(&pending))
dapm_seq_run_coalesced(card, &pending);
- if (cur_dapm && cur_dapm->seq_notifier) {
+ if (cur_dapm && cur_dapm->component) {
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
if (sort[i] == cur_sort)
- cur_dapm->seq_notifier(cur_dapm,
- i,
- cur_subseq);
+ snd_soc_component_seq_notifier(
+ cur_dapm->component,
+ i, cur_subseq);
}
if (cur_dapm && w->dapm != cur_dapm)
if (!list_empty(&pending))
dapm_seq_run_coalesced(card, &pending);
- if (cur_dapm && cur_dapm->seq_notifier) {
+ if (cur_dapm && cur_dapm->component) {
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
if (sort[i] == cur_sort)
- cur_dapm->seq_notifier(cur_dapm,
- i, cur_subseq);
+ snd_soc_component_seq_notifier(
+ cur_dapm->component,
+ i, cur_subseq);
}
list_for_each_entry(d, &card->dapm_list, list) {
LIST_HEAD(down_list);
ASYNC_DOMAIN_EXCLUSIVE(async_domain);
enum snd_soc_bias_level bias;
+ int ret;
lockdep_assert_held(&card->dapm_mutex);
/* do we need to notify any clients that DAPM event is complete */
list_for_each_entry(d, &card->dapm_list, list) {
- if (d->stream_event)
- d->stream_event(d, event);
+ if (!d->component)
+ continue;
+
+ ret = snd_soc_component_stream_event(d->component, event);
+ if (ret < 0)
+ return ret;
}
pop_dbg(card->dev, card->pop_time,
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
struct dentry *parent)
{
- struct dentry *d;
-
if (!parent || IS_ERR(parent))
return;
dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
- if (IS_ERR(dapm->debugfs_dapm)) {
- dev_warn(dapm->dev,
- "ASoC: Failed to create DAPM debugfs directory %ld\n",
- PTR_ERR(dapm->debugfs_dapm));
- return;
- }
-
- d = debugfs_create_file("bias_level", 0444,
- dapm->debugfs_dapm, dapm,
- &dapm_bias_fops);
- if (IS_ERR(d))
- dev_warn(dapm->dev,
- "ASoC: Failed to create bias level debugfs file: %ld\n",
- PTR_ERR(d));
+ debugfs_create_file("bias_level", 0444, dapm->debugfs_dapm, dapm,
+ &dapm_bias_fops);
}
static void dapm_debugfs_add_widget(struct snd_soc_dapm_widget *w)
{
struct snd_soc_dapm_context *dapm = w->dapm;
- struct dentry *d;
if (!dapm->debugfs_dapm || !w->name)
return;
- d = debugfs_create_file(w->name, 0444,
- dapm->debugfs_dapm, w,
- &dapm_widget_power_fops);
- if (IS_ERR(d))
- dev_warn(w->dapm->dev,
- "ASoC: Failed to create %s debugfs file: %ld\n",
- w->name, PTR_ERR(d));
+ debugfs_create_file(w->name, 0444, dapm->debugfs_dapm, w,
+ &dapm_widget_power_fops);
}
static void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
{
- if (!dapm->debugfs_dapm)
- return;
debugfs_remove_recursive(dapm->debugfs_dapm);
dapm->debugfs_dapm = NULL;
}
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
-static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
+static int
+snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_dapm_path *path;
struct snd_soc_dai *source, *sink;
- struct snd_soc_pcm_runtime *rtd = w->priv;
- const struct snd_soc_pcm_stream *config;
- struct snd_pcm_substream substream;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_hw_params *params = NULL;
+ const struct snd_soc_pcm_stream *config = NULL;
struct snd_pcm_runtime *runtime = NULL;
unsigned int fmt;
int ret = 0;
- config = rtd->dai_link->params + rtd->params_select;
+ params = kzalloc(sizeof(*params), GFP_KERNEL);
+ if (!params)
+ return -ENOMEM;
- if (WARN_ON(!config) ||
- WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
- list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
- return -EINVAL;
+ runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
+ if (!runtime) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ substream->runtime = runtime;
+
+ substream->stream = SNDRV_PCM_STREAM_CAPTURE;
+ snd_soc_dapm_widget_for_each_source_path(w, path) {
+ source = path->source->priv;
+
+ ret = snd_soc_dai_startup(source, substream);
+ if (ret < 0) {
+ dev_err(source->dev,
+ "ASoC: startup() failed: %d\n", ret);
+ goto out;
+ }
+ source->active++;
+ }
+
+ substream->stream = SNDRV_PCM_STREAM_PLAYBACK;
+ snd_soc_dapm_widget_for_each_sink_path(w, path) {
+ sink = path->sink->priv;
+
+ ret = snd_soc_dai_startup(sink, substream);
+ if (ret < 0) {
+ dev_err(sink->dev,
+ "ASoC: startup() failed: %d\n", ret);
+ goto out;
+ }
+ sink->active++;
+ }
+
+ substream->hw_opened = 1;
+
+ /*
+ * Note: getting the config after .startup() gives a chance to
+ * either party on the link to alter the configuration if
+ * necessary
+ */
+ config = rtd->dai_link->params + rtd->params_select;
+ if (WARN_ON(!config)) {
+ dev_err(w->dapm->dev, "ASoC: link config missing\n");
+ ret = -EINVAL;
+ goto out;
+ }
/* Be a little careful as we don't want to overflow the mask array */
if (config->formats) {
} else {
dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n",
config->formats);
- fmt = 0;
- }
- /* Currently very limited parameter selection */
- params = kzalloc(sizeof(*params), GFP_KERNEL);
- if (!params) {
- ret = -ENOMEM;
+ ret = -EINVAL;
goto out;
}
- snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
+ snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
config->rate_min;
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
config->rate_max;
-
hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
= config->channels_min;
hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
= config->channels_max;
- memset(&substream, 0, sizeof(substream));
+ substream->stream = SNDRV_PCM_STREAM_CAPTURE;
+ snd_soc_dapm_widget_for_each_source_path(w, path) {
+ source = path->source->priv;
- /* Allocate a dummy snd_pcm_runtime for startup() and other ops() */
- runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
- if (!runtime) {
- ret = -ENOMEM;
- goto out;
+ ret = snd_soc_dai_hw_params(source, substream, params);
+ if (ret < 0)
+ goto out;
+
+ dapm_update_dai_unlocked(substream, params, source);
}
- substream.runtime = runtime;
- substream.private_data = rtd;
- switch (event) {
- case SND_SOC_DAPM_PRE_PMU:
- substream.stream = SNDRV_PCM_STREAM_CAPTURE;
- snd_soc_dapm_widget_for_each_source_path(w, path) {
- source = path->source->priv;
+ substream->stream = SNDRV_PCM_STREAM_PLAYBACK;
+ snd_soc_dapm_widget_for_each_sink_path(w, path) {
+ sink = path->sink->priv;
- if (source->driver->ops->startup) {
- ret = source->driver->ops->startup(&substream,
- source);
- if (ret < 0) {
- dev_err(source->dev,
- "ASoC: startup() failed: %d\n",
- ret);
- goto out;
- }
- }
- source->active++;
- ret = soc_dai_hw_params(&substream, params, source);
- if (ret < 0)
- goto out;
+ ret = snd_soc_dai_hw_params(sink, substream, params);
+ if (ret < 0)
+ goto out;
- dapm_update_dai_unlocked(&substream, params, source);
- }
+ dapm_update_dai_unlocked(substream, params, sink);
+ }
- substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
- snd_soc_dapm_widget_for_each_sink_path(w, path) {
- sink = path->sink->priv;
+ runtime->format = params_format(params);
+ runtime->subformat = params_subformat(params);
+ runtime->channels = params_channels(params);
+ runtime->rate = params_rate(params);
- if (sink->driver->ops->startup) {
- ret = sink->driver->ops->startup(&substream,
- sink);
- if (ret < 0) {
- dev_err(sink->dev,
- "ASoC: startup() failed: %d\n",
- ret);
- goto out;
- }
- }
- sink->active++;
- ret = soc_dai_hw_params(&substream, params, sink);
- if (ret < 0)
- goto out;
+out:
+ if (ret < 0)
+ kfree(runtime);
+
+ kfree(params);
+ return ret;
+}
+
+static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_dapm_path *path;
+ struct snd_soc_dai *source, *sink;
+ struct snd_pcm_substream *substream = w->priv;
+ int ret = 0, saved_stream = substream->stream;
+
+ if (WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
+ list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
+ return -EINVAL;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = snd_soc_dai_link_event_pre_pmu(w, substream);
+ if (ret < 0)
+ goto out;
- dapm_update_dai_unlocked(&substream, params, sink);
- }
break;
case SND_SOC_DAPM_POST_PMU:
ret = 0;
}
- substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+ substream->stream = SNDRV_PCM_STREAM_CAPTURE;
snd_soc_dapm_widget_for_each_source_path(w, path) {
source = path->source->priv;
+ snd_soc_dai_hw_free(source, substream);
+ }
- if (source->driver->ops->hw_free)
- source->driver->ops->hw_free(&substream,
- source);
+ substream->stream = SNDRV_PCM_STREAM_PLAYBACK;
+ snd_soc_dapm_widget_for_each_sink_path(w, path) {
+ sink = path->sink->priv;
+ snd_soc_dai_hw_free(sink, substream);
+ }
+ substream->stream = SNDRV_PCM_STREAM_CAPTURE;
+ snd_soc_dapm_widget_for_each_source_path(w, path) {
+ source = path->source->priv;
source->active--;
- if (source->driver->ops->shutdown)
- source->driver->ops->shutdown(&substream,
- source);
+ snd_soc_dai_shutdown(source, substream);
}
- substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ substream->stream = SNDRV_PCM_STREAM_PLAYBACK;
snd_soc_dapm_widget_for_each_sink_path(w, path) {
sink = path->sink->priv;
-
- if (sink->driver->ops->hw_free)
- sink->driver->ops->hw_free(&substream, sink);
-
sink->active--;
- if (sink->driver->ops->shutdown)
- sink->driver->ops->shutdown(&substream, sink);
+ snd_soc_dai_shutdown(sink, substream);
}
break;
+ case SND_SOC_DAPM_POST_PMD:
+ kfree(substream->runtime);
+ break;
+
default:
WARN(1, "Unknown event %d\n", event);
ret = -EINVAL;
}
out:
- kfree(runtime);
- kfree(params);
+ /* Restore the substream direction */
+ substream->stream = saved_stream;
return ret;
}
}
static struct snd_soc_dapm_widget *
-snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_dapm_widget *source,
- struct snd_soc_dapm_widget *sink)
+snd_soc_dapm_new_dai(struct snd_soc_card *card,
+ struct snd_pcm_substream *substream,
+ char *id)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dapm_widget template;
struct snd_soc_dapm_widget *w;
const char **w_param_text;
int ret;
link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s",
- source->name, sink->name);
+ rtd->dai_link->name, id);
if (!link_name)
return ERR_PTR(-ENOMEM);
template.name = link_name;
template.event = snd_soc_dai_link_event;
template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD;
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD;
template.kcontrol_news = NULL;
/* allocate memory for control, only in case of multiple configs */
goto outfree_kcontrol_news;
}
- w->priv = rtd;
+ w->priv = substream;
return w;
struct snd_soc_dai *codec_dai;
struct snd_soc_dapm_widget *playback = NULL, *capture = NULL;
struct snd_soc_dapm_widget *codec, *playback_cpu, *capture_cpu;
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_str *streams = rtd->pcm->streams;
int i;
if (rtd->dai_link->params) {
}
for_each_rtd_codec_dai(rtd, i, codec_dai) {
-
/* connect BE DAI playback if widgets are valid */
codec = codec_dai->playback_widget;
if (playback_cpu && codec) {
if (!playback) {
- playback = snd_soc_dapm_new_dai(card, rtd,
- playback_cpu,
- codec);
+ substream = streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+ playback = snd_soc_dapm_new_dai(card, substream,
+ "playback");
if (IS_ERR(playback)) {
dev_err(rtd->dev,
"ASoC: Failed to create DAI %s: %ld\n",
if (codec && capture_cpu) {
if (!capture) {
- capture = snd_soc_dapm_new_dai(card, rtd,
- codec,
- capture_cpu);
+ substream = streams[SNDRV_PCM_STREAM_CAPTURE].substream;
+ capture = snd_soc_dapm_new_dai(card, substream,
+ "capture");
if (IS_ERR(capture)) {
dev_err(rtd->dev,
"ASoC: Failed to create DAI %s: %ld\n",
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
+void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_card *card,
+ struct snd_soc_component *component)
+{
+ dapm->card = card;
+ dapm->component = component;
+ dapm->bias_level = SND_SOC_BIAS_OFF;
+
+ if (component) {
+ dapm->dev = component->dev;
+ dapm->idle_bias_off = !component->driver->idle_bias_on,
+ dapm->suspend_bias_off = component->driver->suspend_bias_off;
+ } else {
+ dapm->dev = card->dev;
+ }
+
+ INIT_LIST_HEAD(&dapm->list);
+ list_add(&dapm->list, &card->dapm_list);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_init);
+
static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_card *card = dapm->card;
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