Merge remote-tracking branch 'asoc/topic/component' into asoc-next
This commit is contained in:
Mark Brown
commit
6180561670
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@ -13,6 +13,7 @@
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#ifndef __LINUX_SND_SOC_H
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#define __LINUX_SND_SOC_H
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include <linux/notifier.h>
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@ -670,6 +671,26 @@ struct snd_soc_cache_ops {
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int (*sync)(struct snd_soc_codec *codec);
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};
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/* component interface */
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struct snd_soc_component_driver {
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const char *name;
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/* DT */
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int (*of_xlate_dai_name)(struct snd_soc_component *component,
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struct of_phandle_args *args,
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const char **dai_name);
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};
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struct snd_soc_component {
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const char *name;
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int id;
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int num_dai;
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struct device *dev;
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struct list_head list;
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const struct snd_soc_component_driver *driver;
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};
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/* SoC Audio Codec device */
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struct snd_soc_codec {
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const char *name;
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@ -715,6 +736,9 @@ struct snd_soc_codec {
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struct mutex cache_rw_mutex;
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int val_bytes;
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/* component */
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struct snd_soc_component component;
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/* dapm */
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struct snd_soc_dapm_context dapm;
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unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
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@ -733,6 +757,7 @@ struct snd_soc_codec_driver {
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int (*remove)(struct snd_soc_codec *);
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int (*suspend)(struct snd_soc_codec *);
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int (*resume)(struct snd_soc_codec *);
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struct snd_soc_component_driver component_driver;
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/* Default control and setup, added after probe() is run */
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const struct snd_kcontrol_new *controls;
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@ -849,20 +874,6 @@ struct snd_soc_platform {
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#endif
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};
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struct snd_soc_component_driver {
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const char *name;
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};
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struct snd_soc_component {
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const char *name;
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int id;
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int num_dai;
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struct device *dev;
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struct list_head list;
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const struct snd_soc_component_driver *driver;
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};
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struct snd_soc_dai_link {
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/* config - must be set by machine driver */
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const char *name; /* Codec name */
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@ -1201,6 +1212,8 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
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const char *propname);
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unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
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const char *prefix);
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int snd_soc_of_get_dai_name(struct device_node *of_node,
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const char **dai_name);
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#include <sound/soc-dai.h>
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@ -4035,6 +4035,112 @@ static void snd_soc_unregister_dais(struct device *dev, size_t count)
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snd_soc_unregister_dai(dev);
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}
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/**
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* snd_soc_register_component - Register a component with the ASoC core
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*
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*/
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static int
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__snd_soc_register_component(struct device *dev,
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struct snd_soc_component *cmpnt,
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const struct snd_soc_component_driver *cmpnt_drv,
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struct snd_soc_dai_driver *dai_drv,
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int num_dai, bool allow_single_dai)
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{
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int ret;
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dev_dbg(dev, "component register %s\n", dev_name(dev));
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if (!cmpnt) {
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dev_err(dev, "ASoC: Failed to connecting component\n");
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return -ENOMEM;
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}
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cmpnt->name = fmt_single_name(dev, &cmpnt->id);
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if (!cmpnt->name) {
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dev_err(dev, "ASoC: Failed to simplifying name\n");
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return -ENOMEM;
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}
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cmpnt->dev = dev;
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cmpnt->driver = cmpnt_drv;
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cmpnt->num_dai = num_dai;
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/*
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* snd_soc_register_dai() uses fmt_single_name(), and
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* snd_soc_register_dais() uses fmt_multiple_name()
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* for dai->name which is used for name based matching
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*
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* this function is used from cpu/codec.
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* allow_single_dai flag can ignore "codec" driver reworking
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* since it had been used snd_soc_register_dais(),
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*/
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if ((1 == num_dai) && allow_single_dai)
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ret = snd_soc_register_dai(dev, dai_drv);
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else
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ret = snd_soc_register_dais(dev, dai_drv, num_dai);
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if (ret < 0) {
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dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
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goto error_component_name;
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}
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mutex_lock(&client_mutex);
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list_add(&cmpnt->list, &component_list);
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mutex_unlock(&client_mutex);
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dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
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return ret;
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error_component_name:
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kfree(cmpnt->name);
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return ret;
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}
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int snd_soc_register_component(struct device *dev,
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const struct snd_soc_component_driver *cmpnt_drv,
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struct snd_soc_dai_driver *dai_drv,
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int num_dai)
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{
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struct snd_soc_component *cmpnt;
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cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
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if (!cmpnt) {
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dev_err(dev, "ASoC: Failed to allocate memory\n");
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return -ENOMEM;
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}
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return __snd_soc_register_component(dev, cmpnt, cmpnt_drv,
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dai_drv, num_dai, true);
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}
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EXPORT_SYMBOL_GPL(snd_soc_register_component);
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/**
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* snd_soc_unregister_component - Unregister a component from the ASoC core
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*
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*/
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void snd_soc_unregister_component(struct device *dev)
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{
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struct snd_soc_component *cmpnt;
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list_for_each_entry(cmpnt, &component_list, list) {
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if (dev == cmpnt->dev)
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goto found;
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}
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return;
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found:
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snd_soc_unregister_dais(dev, cmpnt->num_dai);
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mutex_lock(&client_mutex);
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list_del(&cmpnt->list);
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mutex_unlock(&client_mutex);
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dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
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kfree(cmpnt->name);
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}
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EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
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/**
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* snd_soc_add_platform - Add a platform to the ASoC core
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* @dev: The parent device for the platform
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@ -4257,10 +4363,12 @@ int snd_soc_register_codec(struct device *dev,
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list_add(&codec->list, &codec_list);
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mutex_unlock(&client_mutex);
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/* register any DAIs */
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ret = snd_soc_register_dais(dev, dai_drv, num_dai);
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/* register component */
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ret = __snd_soc_register_component(dev, &codec->component,
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&codec_drv->component_driver,
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dai_drv, num_dai, false);
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if (ret < 0) {
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dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret);
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dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
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goto fail_codec_name;
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}
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@ -4295,7 +4403,7 @@ void snd_soc_unregister_codec(struct device *dev)
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return;
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found:
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snd_soc_unregister_dais(dev, codec->num_dai);
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snd_soc_unregister_component(dev);
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mutex_lock(&client_mutex);
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list_del(&codec->list);
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@ -4310,92 +4418,6 @@ found:
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}
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EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
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/**
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* snd_soc_register_component - Register a component with the ASoC core
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*
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*/
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int snd_soc_register_component(struct device *dev,
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const struct snd_soc_component_driver *cmpnt_drv,
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struct snd_soc_dai_driver *dai_drv,
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int num_dai)
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{
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struct snd_soc_component *cmpnt;
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int ret;
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dev_dbg(dev, "component register %s\n", dev_name(dev));
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cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
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if (!cmpnt) {
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dev_err(dev, "ASoC: Failed to allocate memory\n");
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return -ENOMEM;
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}
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cmpnt->name = fmt_single_name(dev, &cmpnt->id);
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if (!cmpnt->name) {
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dev_err(dev, "ASoC: Failed to simplifying name\n");
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return -ENOMEM;
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}
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cmpnt->dev = dev;
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cmpnt->driver = cmpnt_drv;
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cmpnt->num_dai = num_dai;
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/*
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* snd_soc_register_dai() uses fmt_single_name(), and
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* snd_soc_register_dais() uses fmt_multiple_name()
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* for dai->name which is used for name based matching
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*/
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if (1 == num_dai)
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ret = snd_soc_register_dai(dev, dai_drv);
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else
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ret = snd_soc_register_dais(dev, dai_drv, num_dai);
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if (ret < 0) {
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dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
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goto error_component_name;
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}
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mutex_lock(&client_mutex);
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list_add(&cmpnt->list, &component_list);
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mutex_unlock(&client_mutex);
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dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
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return ret;
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error_component_name:
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kfree(cmpnt->name);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_register_component);
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/**
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* snd_soc_unregister_component - Unregister a component from the ASoC core
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*
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*/
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void snd_soc_unregister_component(struct device *dev)
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{
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struct snd_soc_component *cmpnt;
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list_for_each_entry(cmpnt, &component_list, list) {
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if (dev == cmpnt->dev)
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goto found;
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}
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return;
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found:
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snd_soc_unregister_dais(dev, cmpnt->num_dai);
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mutex_lock(&client_mutex);
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list_del(&cmpnt->list);
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mutex_unlock(&client_mutex);
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dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
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kfree(cmpnt->name);
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}
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EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
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/* Retrieve a card's name from device tree */
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int snd_soc_of_parse_card_name(struct snd_soc_card *card,
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const char *propname)
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@ -4583,6 +4605,41 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
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}
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EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
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int snd_soc_of_get_dai_name(struct device_node *of_node,
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const char **dai_name)
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{
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struct snd_soc_component *pos;
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struct of_phandle_args args;
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int ret;
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ret = of_parse_phandle_with_args(of_node, "sound-dai",
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"#sound-dai-cells", 0, &args);
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if (ret)
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return ret;
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ret = -EPROBE_DEFER;
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mutex_lock(&client_mutex);
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list_for_each_entry(pos, &component_list, list) {
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if (pos->dev->of_node != args.np)
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continue;
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if (!pos->driver->of_xlate_dai_name) {
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ret = -ENOSYS;
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break;
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}
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ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name);
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break;
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}
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mutex_unlock(&client_mutex);
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of_node_put(args.np);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
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static int __init snd_soc_init(void)
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{
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#ifdef CONFIG_DEBUG_FS
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