}
EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
-struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
- const char *dai_link, int stream)
+static const struct snd_soc_ops null_snd_soc_ops;
+
+struct snd_soc_pcm_runtime
+*snd_soc_get_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
for_each_card_rtds(card, rtd) {
- if (rtd->dai_link->no_pcm &&
- !strcmp(rtd->dai_link->name, dai_link))
- return rtd->pcm->streams[stream].substream;
+ if (rtd->dai_link == dai_link)
+ return rtd;
}
- dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
+ dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link->name);
return NULL;
}
-EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
-
-static const struct snd_soc_ops null_snd_soc_ops;
+EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
static void soc_release_rtd_dev(struct device *dev)
{
return NULL;
}
-struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
- const char *dai_link)
-{
- struct snd_soc_pcm_runtime *rtd;
-
- for_each_card_rtds(card, rtd) {
- if (!strcmp(rtd->dai_link->name, dai_link))
- return rtd;
- }
- dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link);
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
-
static void snd_soc_flush_all_delayed_work(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
}
EXPORT_SYMBOL_GPL(snd_soc_find_dai);
-/**
- * snd_soc_find_dai_link - Find a DAI link
- *
- * @card: soc card
- * @id: DAI link ID to match
- * @name: DAI link name to match, optional
- * @stream_name: DAI link stream name to match, optional
- *
- * This function will search all existing DAI links of the soc card to
- * find the link of the same ID. Since DAI links may not have their
- * unique ID, so name and stream name should also match if being
- * specified.
- *
- * Return: pointer of DAI link, or NULL if not found.
- */
-struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
- int id, const char *name,
- const char *stream_name)
-{
- struct snd_soc_dai_link *link;
-
- lockdep_assert_held(&client_mutex);
-
- for_each_card_links(card, link) {
- if (link->id != id)
- continue;
-
- if (name && (!link->name || strcmp(name, link->name)))
- continue;
-
- if (stream_name && (!link->stream_name
- || strcmp(stream_name, link->stream_name)))
- continue;
-
- return link;
- }
-
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_find_dai_link);
-
static int soc_dai_link_sanity_check(struct snd_soc_card *card,
struct snd_soc_dai_link *link)
{
}
/**
- * snd_soc_remove_dai_link - Remove a DAI link from the list
- * @card: The ASoC card that owns the link
- * @dai_link: The DAI link to remove
+ * snd_soc_remove_pcm_runtime - Remove a pcm_runtime from card
+ * @card: The ASoC card to which the pcm_runtime has
+ * @rtd: The pcm_runtime to remove
*
- * This function removes a DAI link from the ASoC card's link list.
- *
- * For DAI links previously added by topology, topology should
- * remove them by using the dobj embedded in the link.
+ * This function removes a pcm_runtime from the ASoC card.
*/
-void snd_soc_remove_dai_link(struct snd_soc_card *card,
- struct snd_soc_dai_link *dai_link)
+void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd;
-
lockdep_assert_held(&client_mutex);
/*
* Notify the machine driver for extra destruction
*/
if (card->remove_dai_link)
- card->remove_dai_link(card, dai_link);
+ card->remove_dai_link(card, rtd->dai_link);
- list_del(&dai_link->list);
-
- rtd = snd_soc_get_pcm_runtime(card, dai_link->name);
- if (rtd)
- soc_free_pcm_runtime(rtd);
+ soc_free_pcm_runtime(rtd);
}
-EXPORT_SYMBOL_GPL(snd_soc_remove_dai_link);
+EXPORT_SYMBOL_GPL(snd_soc_remove_pcm_runtime);
/**
- * snd_soc_add_dai_link - Add a DAI link dynamically
- * @card: The ASoC card to which the DAI link is added
- * @dai_link: The new DAI link to add
+ * snd_soc_add_pcm_runtime - Add a pcm_runtime dynamically via dai_link
+ * @card: The ASoC card to which the pcm_runtime is added
+ * @dai_link: The DAI link to find pcm_runtime
*
- * This function adds a DAI link to the ASoC card's link list.
+ * This function adds a pcm_runtime ASoC card by using dai_link.
*
- * Note: Topology can use this API to add DAI links when probing the
+ * Note: Topology can use this API to add pcm_runtime when probing the
* topology component. And machine drivers can still define static
* DAI links in dai_link array.
*/
-int snd_soc_add_dai_link(struct snd_soc_card *card,
- struct snd_soc_dai_link *dai_link)
+int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai_link_component *codec, *platform;
}
}
- /* see for_each_card_links */
- list_add_tail(&dai_link->list, &card->dai_link_list);
-
return 0;
_err_defer:
- soc_free_pcm_runtime(rtd);
+ snd_soc_remove_pcm_runtime(card, rtd);
return -EPROBE_DEFER;
}
-EXPORT_SYMBOL_GPL(snd_soc_add_dai_link);
+EXPORT_SYMBOL_GPL(snd_soc_add_pcm_runtime);
+
+static int soc_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < num_dais; ++i) {
+ struct snd_soc_dai_driver *drv = dais[i]->driver;
+
+ if (drv->pcm_new)
+ ret = drv->pcm_new(rtd, dais[i]);
+ if (ret < 0) {
+ dev_err(dais[i]->dev,
+ "ASoC: Failed to bind %s with pcm device\n",
+ dais[i]->name);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int soc_init_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_rtdcom_list *rtdcom;
+ struct snd_soc_component *component;
+ int ret, num;
+
+ /* set default power off timeout */
+ rtd->pmdown_time = pmdown_time;
+
+ /* do machine specific initialization */
+ if (dai_link->init) {
+ ret = dai_link->init(rtd);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: failed to init %s: %d\n",
+ dai_link->name, ret);
+ return ret;
+ }
+ }
+
+ if (dai_link->dai_fmt) {
+ ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
+ if (ret)
+ return ret;
+ }
+
+ /* add DPCM sysfs entries */
+ soc_dpcm_debugfs_add(rtd);
+
+ num = rtd->num;
+
+ /*
+ * most drivers will register their PCMs using DAI link ordering but
+ * topology based drivers can use the DAI link id field to set PCM
+ * device number and then use rtd + a base offset of the BEs.
+ */
+ for_each_rtd_components(rtd, rtdcom, component) {
+ if (!component->driver->use_dai_pcm_id)
+ continue;
+
+ if (rtd->dai_link->no_pcm)
+ num += component->driver->be_pcm_base;
+ else
+ num = rtd->dai_link->id;
+ }
+
+ /* create compress_device if possible */
+ ret = snd_soc_dai_compress_new(cpu_dai, rtd, num);
+ if (ret != -ENOTSUPP) {
+ if (ret < 0)
+ dev_err(card->dev, "ASoC: can't create compress %s\n",
+ dai_link->stream_name);
+ return ret;
+ }
+
+ /* create the pcm */
+ ret = soc_new_pcm(rtd, num);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
+ dai_link->stream_name, ret);
+ return ret;
+ }
+ ret = soc_dai_pcm_new(&cpu_dai, 1, rtd);
+ if (ret < 0)
+ return ret;
+ ret = soc_dai_pcm_new(rtd->codec_dais,
+ rtd->num_codecs, rtd);
+ return ret;
+}
static void soc_set_of_name_prefix(struct snd_soc_component *component)
{
static void soc_set_name_prefix(struct snd_soc_card *card,
struct snd_soc_component *component)
{
+ struct device_node *of_node = soc_component_to_node(component);
int i;
- for (i = 0; i < card->num_configs && card->codec_conf; i++) {
+ for (i = 0; i < card->num_configs; i++) {
struct snd_soc_codec_conf *map = &card->codec_conf[i];
- struct device_node *of_node = soc_component_to_node(component);
if (map->of_node && of_node != map->of_node)
continue;
return 0;
}
-void snd_soc_disconnect_sync(struct device *dev)
-{
- struct snd_soc_component *component =
- snd_soc_lookup_component(dev, NULL);
-
- if (!component || !component->card)
- return;
-
- snd_card_disconnect_sync(component->card->snd_card);
-}
-EXPORT_SYMBOL_GPL(snd_soc_disconnect_sync);
-
-static int soc_link_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
- struct snd_soc_pcm_runtime *rtd)
-{
- int i, ret = 0;
-
- for (i = 0; i < num_dais; ++i) {
- struct snd_soc_dai_driver *drv = dais[i]->driver;
-
- if (drv->pcm_new)
- ret = drv->pcm_new(rtd, dais[i]);
- if (ret < 0) {
- dev_err(dais[i]->dev,
- "ASoC: Failed to bind %s with pcm device\n",
- dais[i]->name);
- return ret;
- }
- }
-
- return 0;
-}
-
-static int soc_link_init(struct snd_soc_card *card,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai_link *dai_link = rtd->dai_link;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_rtdcom_list *rtdcom;
- struct snd_soc_component *component;
- int ret, num;
-
- /* set default power off timeout */
- rtd->pmdown_time = pmdown_time;
-
- /* do machine specific initialization */
- if (dai_link->init) {
- ret = dai_link->init(rtd);
- if (ret < 0) {
- dev_err(card->dev, "ASoC: failed to init %s: %d\n",
- dai_link->name, ret);
- return ret;
- }
- }
-
- if (dai_link->dai_fmt) {
- ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
- if (ret)
- return ret;
- }
-
- /* add DPCM sysfs entries */
- soc_dpcm_debugfs_add(rtd);
-
- num = rtd->num;
-
- /*
- * most drivers will register their PCMs using DAI link ordering but
- * topology based drivers can use the DAI link id field to set PCM
- * device number and then use rtd + a base offset of the BEs.
- */
- for_each_rtd_components(rtd, rtdcom, component) {
- if (!component->driver->use_dai_pcm_id)
- continue;
-
- if (rtd->dai_link->no_pcm)
- num += component->driver->be_pcm_base;
- else
- num = rtd->dai_link->id;
- }
-
- /* create compress_device if possible */
- ret = snd_soc_dai_compress_new(cpu_dai, rtd, num);
- if (ret != -ENOTSUPP) {
- if (ret < 0)
- dev_err(card->dev, "ASoC: can't create compress %s\n",
- dai_link->stream_name);
- return ret;
- }
-
- /* create the pcm */
- ret = soc_new_pcm(rtd, num);
- if (ret < 0) {
- dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
- dai_link->stream_name, ret);
- return ret;
- }
- ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd);
- if (ret < 0)
- return ret;
- ret = soc_link_dai_pcm_new(rtd->codec_dais,
- rtd->num_codecs, rtd);
- return ret;
-}
-
static void soc_unbind_aux_dev(struct snd_soc_card *card)
{
struct snd_soc_component *component, *_component;
static void soc_cleanup_card_resources(struct snd_soc_card *card,
int card_probed)
{
- struct snd_soc_dai_link *link, *_link;
+ struct snd_soc_pcm_runtime *rtd, *n;
if (card->snd_card)
snd_card_disconnect_sync(card->snd_card);
soc_remove_link_dais(card);
soc_remove_link_components(card);
- for_each_card_links_safe(card, link, _link)
- snd_soc_remove_dai_link(card, link);
+ for_each_card_rtds_safe(card, rtd, n)
+ snd_soc_remove_pcm_runtime(card, rtd);
/* remove auxiliary devices */
soc_remove_aux_devices(card);
/* add predefined DAI links to the list */
card->num_rtd = 0;
for_each_card_prelinks(card, i, dai_link) {
- ret = snd_soc_add_dai_link(card, dai_link);
+ ret = snd_soc_add_pcm_runtime(card, dai_link);
if (ret < 0)
goto probe_end;
}
goto probe_end;
}
- for_each_card_rtds(card, rtd)
- soc_link_init(card, rtd);
+ for_each_card_rtds(card, rtd) {
+ ret = soc_init_pcm_runtime(card, rtd);
+ if (ret < 0)
+ goto probe_end;
+ }
snd_soc_dapm_link_dai_widgets(card);
snd_soc_dapm_connect_dai_link_widgets(card);
INIT_LIST_HEAD(&card->aux_comp_list);
INIT_LIST_HEAD(&card->component_dev_list);
INIT_LIST_HEAD(&card->list);
- INIT_LIST_HEAD(&card->dai_link_list);
INIT_LIST_HEAD(&card->rtd_list);
INIT_LIST_HEAD(&card->dapm_dirty);
INIT_LIST_HEAD(&card->dobj_list);
*
* @component: The component the DAIs are registered for
* @dai_drv: DAI driver to use for the DAI
+ * @legacy_dai_naming: if %true, use legacy single-name format;
+ * if %false, use multiple-name format;
*
* Topology can use this API to register DAIs when probing a component.
* These DAIs's widgets will be freed in the card cleanup and the DAIs
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