X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=sound%2Fsoc%2Fsoc-dapm.c;h=b6378f025836c6b7c91cd6c1f476afbecaa5e81e;hb=2dff2a1c9b7cc83529119eb04cef1d7b68e11352;hp=2790c00735f3abaa4582fd95854b7134780ae869;hpb=a4207a1c5edc3112b3538769024c7b2ad42b9fe9;p=linux.git diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 2790c00735f3..b6378f025836 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -684,8 +684,8 @@ int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm, { 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; @@ -1128,6 +1128,34 @@ static int dapm_widget_list_create(struct snd_soc_dapm_widget_list **list, 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 @@ -1257,21 +1285,17 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, 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); @@ -1611,12 +1635,12 @@ static void dapm_seq_run(struct snd_soc_card *card, 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) @@ -1674,11 +1698,12 @@ static void dapm_seq_run(struct snd_soc_card *card, 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) { @@ -1912,6 +1937,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) LIST_HEAD(down_list); ASYNC_DOMAIN_EXCLUSIVE(async_domain); enum snd_soc_bias_level bias; + int ret; lockdep_assert_held(&card->dapm_mutex); @@ -2028,8 +2054,12 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) /* 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, @@ -2154,50 +2184,28 @@ static const struct file_operations dapm_bias_fops = { 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; } @@ -3766,25 +3774,70 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, } 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) { @@ -3792,83 +3845,74 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, } 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: @@ -3896,41 +3940,45 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, 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; } @@ -4053,10 +4101,11 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card, } 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; @@ -4065,7 +4114,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd, 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); @@ -4075,7 +4124,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd, 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 */ @@ -4110,7 +4159,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd, goto outfree_kcontrol_news; } - w->priv = rtd; + w->priv = substream; return w; @@ -4232,6 +4281,8 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, 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) { @@ -4245,15 +4296,14 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, } 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", @@ -4281,9 +4331,9 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, 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", @@ -4667,6 +4717,27 @@ void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm) } 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;