diff options
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r-- | sound/soc/soc-core.c | 315 |
1 files changed, 167 insertions, 148 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 91120b8e283e..72d4a2b009fa 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -295,7 +295,8 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec) struct dentry *debugfs_card_root = codec->card->debugfs_card_root; codec->debugfs_codec_root = soc_debugfs_create_dir(debugfs_card_root, - "codec:%s", codec->name); + "codec:%s", + codec->component.name); if (!codec->debugfs_codec_root) { dev_warn(codec->dev, "ASoC: Failed to create codec debugfs directory\n"); @@ -327,14 +328,15 @@ static void soc_init_platform_debugfs(struct snd_soc_platform *platform) struct dentry *debugfs_card_root = platform->card->debugfs_card_root; platform->debugfs_platform_root = soc_debugfs_create_dir(debugfs_card_root, - "platform:%s", platform->name); + "platform:%s", + platform->component.name); if (!platform->debugfs_platform_root) { dev_warn(platform->dev, "ASoC: Failed to create platform debugfs directory\n"); return; } - snd_soc_dapm_debugfs_init(&platform->dapm, + snd_soc_dapm_debugfs_init(&platform->component.dapm, platform->debugfs_platform_root); } @@ -355,7 +357,7 @@ static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, list_for_each_entry(codec, &codec_list, list) { len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", - codec->name); + codec->component.name); if (len >= 0) ret += len; if (ret > PAGE_SIZE) { @@ -426,7 +428,7 @@ static ssize_t platform_list_read_file(struct file *file, list_for_each_entry(platform, &platform_list, list) { len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", - platform->name); + platform->component.name); if (len >= 0) ret += len; if (ret > PAGE_SIZE) { @@ -548,7 +550,7 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) codec->ac97->dev.release = soc_ac97_device_release; dev_set_name(&codec->ac97->dev, "%d-%d:%s", - codec->card->snd_card->number, 0, codec->name); + codec->card->snd_card->number, 0, codec->component.name); err = device_register(&codec->ac97->dev); if (err < 0) { dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); @@ -877,7 +879,7 @@ static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_n if (codec->dev->of_node != codec_of_node) continue; } else { - if (strcmp(codec->name, codec_name)) + if (strcmp(codec->component.name, codec_name)) continue; } @@ -965,7 +967,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) dai_link->platform_of_node) continue; } else { - if (strcmp(platform->name, platform_name)) + if (strcmp(platform->component.name, platform_name)) continue; } @@ -994,7 +996,7 @@ static int soc_remove_platform(struct snd_soc_platform *platform) } /* Make sure all DAPM widgets are freed */ - snd_soc_dapm_free(&platform->dapm); + snd_soc_dapm_free(&platform->component.dapm); soc_cleanup_platform_debugfs(platform); platform->probed = 0; @@ -1068,11 +1070,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) cpu_dai->name, err); } cpu_dai->probed = 0; - - if (!cpu_dai->codec) { - snd_soc_dapm_free(&cpu_dai->dapm); + if (!cpu_dai->codec) module_put(cpu_dai->dev->driver->owner); - } } } @@ -1128,7 +1127,7 @@ static void soc_remove_dai_links(struct snd_soc_card *card) } static void soc_set_name_prefix(struct snd_soc_card *card, - struct snd_soc_codec *codec) + struct snd_soc_component *component) { int i; @@ -1137,11 +1136,11 @@ static void soc_set_name_prefix(struct snd_soc_card *card, for (i = 0; i < card->num_configs; i++) { struct snd_soc_codec_conf *map = &card->codec_conf[i]; - if (map->of_node && codec->dev->of_node != map->of_node) + if (map->of_node && component->dev->of_node != map->of_node) continue; - if (map->dev_name && strcmp(codec->name, map->dev_name)) + if (map->dev_name && strcmp(component->name, map->dev_name)) continue; - codec->name_prefix = map->name_prefix; + component->name_prefix = map->name_prefix; break; } } @@ -1155,7 +1154,7 @@ static int soc_probe_codec(struct snd_soc_card *card, codec->card = card; codec->dapm.card = card; - soc_set_name_prefix(card, codec); + soc_set_name_prefix(card, &codec->component); if (!try_module_get(codec->dev->driver->owner)) return -ENODEV; @@ -1197,7 +1196,7 @@ static int soc_probe_codec(struct snd_soc_card *card, WARN(codec->dapm.idle_bias_off && codec->dapm.bias_level != SND_SOC_BIAS_OFF, "codec %s can not start from non-off bias with idle_bias_off==1\n", - codec->name); + codec->component.name); } if (driver->controls) @@ -1230,7 +1229,7 @@ static int soc_probe_platform(struct snd_soc_card *card, struct snd_soc_dai *dai; platform->card = card; - platform->dapm.card = card; + platform->component.dapm.card = card; if (!try_module_get(platform->dev->driver->owner)) return -ENODEV; @@ -1238,7 +1237,7 @@ static int soc_probe_platform(struct snd_soc_card *card, soc_init_platform_debugfs(platform); if (driver->dapm_widgets) - snd_soc_dapm_new_controls(&platform->dapm, + snd_soc_dapm_new_controls(&platform->component.dapm, driver->dapm_widgets, driver->num_dapm_widgets); /* Create DAPM widgets for each DAI stream */ @@ -1246,10 +1245,11 @@ static int soc_probe_platform(struct snd_soc_card *card, if (component->dev != platform->dev) continue; list_for_each_entry(dai, &component->dai_list, list) - snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); + snd_soc_dapm_new_dai_widgets(&platform->component.dapm, + dai); } - platform->dapm.idle_bias_off = 1; + platform->component.dapm.idle_bias_off = 1; if (driver->probe) { ret = driver->probe(platform); @@ -1264,13 +1264,13 @@ static int soc_probe_platform(struct snd_soc_card *card, snd_soc_add_platform_controls(platform, driver->controls, driver->num_controls); if (driver->dapm_routes) - snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, - driver->num_dapm_routes); + snd_soc_dapm_add_routes(&platform->component.dapm, + driver->dapm_routes, driver->num_dapm_routes); /* mark platform as probed and add to card platform list */ platform->probed = 1; list_add(&platform->card_list, &card->platform_dev_list); - list_add(&platform->dapm.list, &card->dapm_list); + list_add(&platform->component.dapm.list, &card->dapm_list); return 0; @@ -1529,11 +1529,8 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) if (!cpu_dai->probed && cpu_dai->driver->probe_order == order) { if (!cpu_dai->codec) { - cpu_dai->dapm.card = card; if (!try_module_get(cpu_dai->dev->driver->owner)) return -ENODEV; - - list_add(&cpu_dai->dapm.list, &card->dapm_list); } if (cpu_dai->driver->probe) { @@ -1667,7 +1664,8 @@ static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card, if (aux_dev->codec_of_node && (codec->dev->of_node != aux_dev->codec_of_node)) continue; - if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name)) + if (aux_dev->codec_name && + strcmp(codec->component.name, aux_dev->codec_name)) continue; return codec; } @@ -1947,8 +1945,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) } if (card->fully_routed) - list_for_each_entry(codec, &card->codec_dev_list, card_list) - snd_soc_dapm_auto_nc_codec_pins(codec); + snd_soc_dapm_auto_nc_pins(card); snd_soc_dapm_new_widgets(card); @@ -2423,7 +2420,7 @@ int snd_soc_add_codec_controls(struct snd_soc_codec *codec, struct snd_card *card = codec->card->snd_card; return snd_soc_add_controls(card, codec->dev, controls, num_controls, - codec->name_prefix, &codec->component); + codec->component.name_prefix, &codec->component); } EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); @@ -3941,16 +3938,14 @@ static void snd_soc_unregister_dais(struct snd_soc_component *component) * snd_soc_register_dais - Register a DAI with the ASoC core * * @component: The component the DAIs are registered for - * @codec: The CODEC that the DAIs are registered for, NULL if the component is - * not a CODEC. * @dai_drv: DAI driver to use for the DAIs * @count: Number of DAIs * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the * parent's name. */ static int snd_soc_register_dais(struct snd_soc_component *component, - struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, - size_t count, bool legacy_dai_naming) + struct snd_soc_dai_driver *dai_drv, size_t count, + bool legacy_dai_naming) { struct device *dev = component->dev; struct snd_soc_dai *dai; @@ -3959,6 +3954,9 @@ static int snd_soc_register_dais(struct snd_soc_component *component, dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); + component->dai_drv = dai_drv; + component->num_dai = count; + for (i = 0; i < count; i++) { dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); @@ -3991,16 +3989,11 @@ static int snd_soc_register_dais(struct snd_soc_component *component, } dai->component = component; - dai->codec = codec; dai->dev = dev; dai->driver = &dai_drv[i]; - dai->dapm.dev = dev; if (!dai->driver->ops) dai->driver->ops = &null_dai_ops; - if (!dai->codec) - dai->dapm.idle_bias_off = 1; - list_add(&dai->list, &component->dai_list); dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); @@ -4014,60 +4007,82 @@ err: return ret; } -/** - * snd_soc_register_component - Register a component with the ASoC core - * - */ -static int -__snd_soc_register_component(struct device *dev, - struct snd_soc_component *cmpnt, - const struct snd_soc_component_driver *cmpnt_drv, - struct snd_soc_codec *codec, - struct snd_soc_dai_driver *dai_drv, - int num_dai, bool allow_single_dai) +static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, + enum snd_soc_dapm_type type, int subseq) { - int ret; + struct snd_soc_component *component = dapm->component; - dev_dbg(dev, "component register %s\n", dev_name(dev)); + component->driver->seq_notifier(component, type, subseq); +} - if (!cmpnt) { - dev_err(dev, "ASoC: Failed to connecting component\n"); - return -ENOMEM; - } +static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, + int event) +{ + struct snd_soc_component *component = dapm->component; - mutex_init(&cmpnt->io_mutex); + return component->driver->stream_event(component, event); +} - cmpnt->name = fmt_single_name(dev, &cmpnt->id); - if (!cmpnt->name) { - dev_err(dev, "ASoC: Failed to simplifying name\n"); +static int snd_soc_component_initialize(struct snd_soc_component *component, + const struct snd_soc_component_driver *driver, struct device *dev) +{ + struct snd_soc_dapm_context *dapm; + + component->name = fmt_single_name(dev, &component->id); + if (!component->name) { + dev_err(dev, "ASoC: Failed to allocate name\n"); return -ENOMEM; } - cmpnt->dev = dev; - cmpnt->driver = cmpnt_drv; - cmpnt->dai_drv = dai_drv; - cmpnt->num_dai = num_dai; - INIT_LIST_HEAD(&cmpnt->dai_list); + component->dev = dev; + component->driver = driver; - ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai, - allow_single_dai); - if (ret < 0) { - dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); - goto error_component_name; - } + if (!component->dapm_ptr) + component->dapm_ptr = &component->dapm; + + dapm = component->dapm_ptr; + dapm->dev = dev; + dapm->component = component; + dapm->bias_level = SND_SOC_BIAS_OFF; + if (driver->seq_notifier) + dapm->seq_notifier = snd_soc_component_seq_notifier; + if (driver->stream_event) + dapm->stream_event = snd_soc_component_stream_event; + INIT_LIST_HEAD(&component->dai_list); + mutex_init(&component->io_mutex); + + return 0; +} + +static void snd_soc_component_add_unlocked(struct snd_soc_component *component) +{ + list_add(&component->list, &component_list); +} + +static void snd_soc_component_add(struct snd_soc_component *component) +{ mutex_lock(&client_mutex); - list_add(&cmpnt->list, &component_list); + snd_soc_component_add_unlocked(component); mutex_unlock(&client_mutex); +} - dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); - - return ret; +static void snd_soc_component_cleanup(struct snd_soc_component *component) +{ + snd_soc_unregister_dais(component); + kfree(component->name); +} -error_component_name: - kfree(cmpnt->name); +static void snd_soc_component_del_unlocked(struct snd_soc_component *component) +{ + list_del(&component->list); +} - return ret; +static void snd_soc_component_del(struct snd_soc_component *component) +{ + mutex_lock(&client_mutex); + snd_soc_component_del_unlocked(component); + mutex_unlock(&client_mutex); } int snd_soc_register_component(struct device *dev, @@ -4076,32 +4091,38 @@ int snd_soc_register_component(struct device *dev, int num_dai) { struct snd_soc_component *cmpnt; + int ret; - cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); + cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); if (!cmpnt) { dev_err(dev, "ASoC: Failed to allocate memory\n"); return -ENOMEM; } + ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); + if (ret) + goto err_free; + cmpnt->ignore_pmdown_time = true; cmpnt->registered_as_component = true; - return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL, - dai_drv, num_dai, true); -} -EXPORT_SYMBOL_GPL(snd_soc_register_component); + ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); + if (ret < 0) { + dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); + goto err_cleanup; + } -static void __snd_soc_unregister_component(struct snd_soc_component *cmpnt) -{ - snd_soc_unregister_dais(cmpnt); + snd_soc_component_add(cmpnt); - mutex_lock(&client_mutex); - list_del(&cmpnt->list); - mutex_unlock(&client_mutex); + return 0; - dev_dbg(cmpnt->dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); - kfree(cmpnt->name); +err_cleanup: + snd_soc_component_cleanup(cmpnt); +err_free: + kfree(cmpnt); + return ret; } +EXPORT_SYMBOL_GPL(snd_soc_register_component); /** * snd_soc_unregister_component - Unregister a component from the ASoC core @@ -4118,7 +4139,9 @@ void snd_soc_unregister_component(struct device *dev) return; found: - __snd_soc_unregister_component(cmpnt); + snd_soc_component_del(cmpnt); + snd_soc_component_cleanup(cmpnt); + kfree(cmpnt); } EXPORT_SYMBOL_GPL(snd_soc_unregister_component); @@ -4151,37 +4174,25 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, { int ret; - /* create platform component name */ - platform->name = fmt_single_name(dev, &platform->id); - if (platform->name == NULL) - return -ENOMEM; + ret = snd_soc_component_initialize(&platform->component, + &platform_drv->component_driver, dev); + if (ret) + return ret; platform->dev = dev; platform->driver = platform_drv; - platform->dapm.dev = dev; - platform->dapm.platform = platform; - platform->dapm.component = &platform->component; - platform->dapm.stream_event = platform_drv->stream_event; if (platform_drv->write) platform->component.write = snd_soc_platform_drv_write; if (platform_drv->read) platform->component.read = snd_soc_platform_drv_read; - /* register component */ - ret = __snd_soc_register_component(dev, &platform->component, - &platform_drv->component_driver, - NULL, NULL, 0, false); - if (ret < 0) { - dev_err(platform->component.dev, - "ASoC: Failed to register component: %d\n", ret); - return ret; - } - mutex_lock(&client_mutex); + snd_soc_component_add_unlocked(&platform->component); list_add(&platform->list, &platform_list); mutex_unlock(&client_mutex); - dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); + dev_dbg(dev, "ASoC: Registered platform '%s'\n", + platform->component.name); return 0; } @@ -4218,15 +4229,16 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform); */ void snd_soc_remove_platform(struct snd_soc_platform *platform) { - __snd_soc_unregister_component(&platform->component); mutex_lock(&client_mutex); list_del(&platform->list); + snd_soc_component_del_unlocked(&platform->component); mutex_unlock(&client_mutex); + snd_soc_component_cleanup(&platform->component); + dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", - platform->name); - kfree(platform->name); + platform->component.name); } EXPORT_SYMBOL_GPL(snd_soc_remove_platform); @@ -4312,6 +4324,14 @@ static int snd_soc_codec_drv_read(struct snd_soc_component *component, return 0; } +static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); + + return codec->driver->set_bias_level(codec, level); +} + /** * snd_soc_register_codec - Register a codec with the ASoC core * @@ -4323,6 +4343,7 @@ int snd_soc_register_codec(struct device *dev, int num_dai) { struct snd_soc_codec *codec; + struct snd_soc_dai *dai; struct regmap *regmap; int ret, i; @@ -4332,24 +4353,23 @@ int snd_soc_register_codec(struct device *dev, if (codec == NULL) return -ENOMEM; - /* create CODEC component name */ - codec->name = fmt_single_name(dev, &codec->id); - if (codec->name == NULL) { - ret = -ENOMEM; - goto fail_codec; - } + codec->component.dapm_ptr = &codec->dapm; + + ret = snd_soc_component_initialize(&codec->component, + &codec_drv->component_driver, dev); + if (ret) + goto err_free; if (codec_drv->write) codec->component.write = snd_soc_codec_drv_write; if (codec_drv->read) codec->component.read = snd_soc_codec_drv_read; codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; - codec->dapm.bias_level = SND_SOC_BIAS_OFF; - codec->dapm.dev = dev; codec->dapm.codec = codec; - codec->dapm.component = &codec->component; - codec->dapm.seq_notifier = codec_drv->seq_notifier; - codec->dapm.stream_event = codec_drv->stream_event; + if (codec_drv->seq_notifier) + codec->dapm.seq_notifier = codec_drv->seq_notifier; + if (codec_drv->set_bias_level) + codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; codec->dev = dev; codec->driver = codec_drv; codec->component.val_bytes = codec_drv->reg_word_size; @@ -4368,7 +4388,7 @@ int snd_soc_register_codec(struct device *dev, dev_err(codec->dev, "Failed to set cache I/O:%d\n", ret); - return ret; + goto err_cleanup; } } } @@ -4378,29 +4398,27 @@ int snd_soc_register_codec(struct device *dev, fixup_codec_formats(&dai_drv[i].capture); } - mutex_lock(&client_mutex); - list_add(&codec->list, &codec_list); - mutex_unlock(&client_mutex); - - /* register component */ - ret = __snd_soc_register_component(dev, &codec->component, - &codec_drv->component_driver, - codec, dai_drv, num_dai, false); + ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); if (ret < 0) { - dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret); - goto fail_codec_name; + dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); + goto err_cleanup; } - dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); - return 0; + list_for_each_entry(dai, &codec->component.dai_list, list) + dai->codec = codec; -fail_codec_name: mutex_lock(&client_mutex); - list_del(&codec->list); + snd_soc_component_add_unlocked(&codec->component); + list_add(&codec->list, &codec_list); mutex_unlock(&client_mutex); - kfree(codec->name); -fail_codec: + dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", + codec->component.name); + return 0; + +err_cleanup: + snd_soc_component_cleanup(&codec->component); +err_free: kfree(codec); return ret; } @@ -4422,16 +4440,17 @@ void snd_soc_unregister_codec(struct device *dev) return; found: - __snd_soc_unregister_component(&codec->component); mutex_lock(&client_mutex); list_del(&codec->list); + snd_soc_component_del_unlocked(&codec->component); mutex_unlock(&client_mutex); - dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); + dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", + codec->component.name); + snd_soc_component_cleanup(&codec->component); snd_soc_cache_exit(codec); - kfree(codec->name); kfree(codec); } EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); |