diff options
Diffstat (limited to 'kernel/sound/soc/soc-core.c')
| -rw-r--r-- | kernel/sound/soc/soc-core.c | 189 |
1 files changed, 122 insertions, 67 deletions
diff --git a/kernel/sound/soc/soc-core.c b/kernel/sound/soc/soc-core.c index 23732523f..a1305f827 100644 --- a/kernel/sound/soc/soc-core.c +++ b/kernel/sound/soc/soc-core.c @@ -40,6 +40,7 @@ #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dpcm.h> +#include <sound/soc-topology.h> #include <sound/initval.h> #define CREATE_TRACE_POINTS @@ -92,30 +93,21 @@ static int format_register_str(struct snd_soc_codec *codec, int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; int regsize = codec->driver->reg_word_size * 2; int ret; - char tmpbuf[len + 1]; - char regbuf[regsize + 1]; - - /* since tmpbuf is allocated on the stack, warn the callers if they - * try to abuse this function */ - WARN_ON(len > 63); /* +2 for ': ' and + 1 for '\n' */ if (wordsize + regsize + 2 + 1 != len) return -EINVAL; - ret = snd_soc_read(codec, reg); - if (ret < 0) { - memset(regbuf, 'X', regsize); - regbuf[regsize] = '\0'; - } else { - snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); - } - - /* prepare the buffer */ - snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); - /* copy it back to the caller without the '\0' */ - memcpy(buf, tmpbuf, len); + sprintf(buf, "%.*x: ", wordsize, reg); + buf += wordsize + 2; + ret = snd_soc_read(codec, reg); + if (ret < 0) + memset(buf, 'X', regsize); + else + sprintf(buf, "%.*x", regsize, ret); + buf[regsize] = '\n'; + /* no NUL-termination needed */ return 0; } @@ -662,10 +654,12 @@ int snd_soc_suspend(struct device *dev) /* suspend all CODECs */ list_for_each_entry(codec, &card->codec_dev_list, card_list) { + struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); + /* If there are paths active then the CODEC will be held with * bias _ON and should not be suspended. */ if (!codec->suspended) { - switch (codec->dapm.bias_level) { + switch (snd_soc_dapm_get_bias_level(dapm)) { case SND_SOC_BIAS_STANDBY: /* * If the CODEC is capable of idle @@ -673,7 +667,7 @@ int snd_soc_suspend(struct device *dev) * means it's doing something, * otherwise fall through. */ - if (codec->dapm.idle_bias_off) { + if (dapm->idle_bias_off) { dev_dbg(codec->dev, "ASoC: idle_bias_off CODEC on over suspend\n"); break; @@ -750,23 +744,10 @@ static void soc_resume_deferred(struct work_struct *work) } list_for_each_entry(codec, &card->codec_dev_list, card_list) { - /* If the CODEC was idle over suspend then it will have been - * left with bias OFF or STANDBY and suspended so we must now - * resume. Otherwise the suspend was suppressed. - */ if (codec->suspended) { - switch (codec->dapm.bias_level) { - case SND_SOC_BIAS_STANDBY: - case SND_SOC_BIAS_OFF: - if (codec->driver->resume) - codec->driver->resume(codec); - codec->suspended = 0; - break; - default: - dev_dbg(codec->dev, - "ASoC: CODEC was on over suspend\n"); - break; - } + if (codec->driver->resume) + codec->driver->resume(codec); + codec->suspended = 0; } } @@ -814,12 +795,12 @@ static void soc_resume_deferred(struct work_struct *work) dev_dbg(card->dev, "ASoC: resume work completed\n"); - /* userspace can access us now we are back as we were before */ - snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); - /* Recheck all endpoints too, their state is affected by suspend */ dapm_mark_endpoints_dirty(card); snd_soc_dapm_sync(&card->dapm); + + /* userspace can access us now we are back as we were before */ + snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); } /* powers up audio subsystem after a suspend */ @@ -904,12 +885,17 @@ static struct snd_soc_dai *snd_soc_find_dai( { struct snd_soc_component *component; struct snd_soc_dai *dai; + struct device_node *component_of_node; lockdep_assert_held(&client_mutex); /* Find CPU DAI from registered DAIs*/ list_for_each_entry(component, &component_list, list) { - if (dlc->of_node && component->dev->of_node != dlc->of_node) + component_of_node = component->dev->of_node; + if (!component_of_node && component->dev->parent) + component_of_node = component->dev->parent->of_node; + + if (dlc->of_node && component_of_node != dlc->of_node) continue; if (dlc->name && strcmp(component->name, dlc->name)) continue; @@ -994,7 +980,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) static void soc_remove_component(struct snd_soc_component *component) { - if (!component->probed) + if (!component->card) return; /* This is a HACK and will be removed soon */ @@ -1007,7 +993,7 @@ static void soc_remove_component(struct snd_soc_component *component) snd_soc_dapm_free(snd_soc_component_get_dapm(component)); soc_cleanup_component_debugfs(component); - component->probed = 0; + component->card = NULL; module_put(component->dev->driver->owner); } @@ -1118,16 +1104,26 @@ static int soc_probe_component(struct snd_soc_card *card, struct snd_soc_dai *dai; int ret; - if (component->probed) + if (!strcmp(component->name, "snd-soc-dummy")) return 0; - component->card = card; - dapm->card = card; - soc_set_name_prefix(card, component); + if (component->card) { + if (component->card != card) { + dev_err(component->dev, + "Trying to bind component to card \"%s\" but is already bound to card \"%s\"\n", + card->name, component->card->name); + return -ENODEV; + } + return 0; + } if (!try_module_get(component->dev->driver->owner)) return -ENODEV; + component->card = card; + dapm->card = card; + soc_set_name_prefix(card, component); + soc_init_component_debugfs(component); if (component->dapm_widgets) { @@ -1171,7 +1167,6 @@ static int soc_probe_component(struct snd_soc_card *card, snd_soc_dapm_add_routes(dapm, component->dapm_routes, component->num_dapm_routes); - component->probed = 1; list_add(&dapm->list, &card->dapm_list); /* This is a HACK and will be removed soon */ @@ -1182,6 +1177,7 @@ static int soc_probe_component(struct snd_soc_card *card, err_probe: soc_cleanup_component_debugfs(component); + component->card = NULL; module_put(component->dev->driver->owner); return ret; @@ -1374,9 +1370,9 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) soc_dpcm_debugfs_add(rtd); #endif - if (cpu_dai->driver->compress_dai) { + if (cpu_dai->driver->compress_new) { /*create compress_device"*/ - ret = soc_new_compress(rtd, num); + ret = cpu_dai->driver->compress_new(rtd, num); if (ret < 0) { dev_err(card->dev, "ASoC: can't create compress %s\n", dai_link->stream_name); @@ -1465,7 +1461,7 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num) rtd->dev_registered = 0; } - if (component && component->probed) + if (component) soc_remove_component(component); } @@ -1732,6 +1728,7 @@ card_probe_error: if (card->remove) card->remove(card); + snd_soc_dapm_free(&card->dapm); soc_cleanup_card_debugfs(card); snd_card_free(card->snd_card); @@ -2143,7 +2140,7 @@ EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); /** * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. * @dai: DAI - * @ratio Ratio of BCLK to Sample rate. + * @ratio: Ratio of BCLK to Sample rate. * * Configures the DAI for a preset BCLK to sample rate ratio. */ @@ -2435,6 +2432,7 @@ int snd_soc_register_card(struct snd_soc_card *card) card->rtd_aux[i].card = card; INIT_LIST_HEAD(&card->dapm_dirty); + INIT_LIST_HEAD(&card->dobj_list); card->instantiated = 0; mutex_init(&card->mutex); mutex_init(&card->dapm_mutex); @@ -2599,7 +2597,8 @@ static int snd_soc_register_dais(struct snd_soc_component *component, * the same naming style even though those DAIs are not * component-less anymore. */ - if (count == 1 && legacy_dai_naming) { + if (count == 1 && legacy_dai_naming && + (dai_drv[i].id == 0 || dai_drv[i].name == NULL)) { dai->name = fmt_single_name(dev, &dai->id); } else { dai->name = fmt_multiple_name(dev, &dai_drv[i]); @@ -2665,10 +2664,7 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, component->probe = component->driver->probe; component->remove = component->driver->remove; - if (!component->dapm_ptr) - component->dapm_ptr = &component->dapm; - - dapm = component->dapm_ptr; + dapm = &component->dapm; dapm->dev = dev; dapm->component = component; dapm->bias_level = SND_SOC_BIAS_OFF; @@ -2749,6 +2745,7 @@ static void snd_soc_component_add_unlocked(struct snd_soc_component *component) } list_add(&component->list, &component_list); + INIT_LIST_HEAD(&component->dobj_list); } static void snd_soc_component_add(struct snd_soc_component *component) @@ -2811,6 +2808,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component); /** * snd_soc_unregister_component - Unregister a component from the ASoC core * + * @dev: The device to unregister */ void snd_soc_unregister_component(struct device *dev) { @@ -2825,6 +2823,7 @@ void snd_soc_unregister_component(struct device *dev) return; found: + snd_soc_tplg_component_remove(cmpnt, SND_SOC_TPLG_INDEX_ALL); snd_soc_component_del_unlocked(cmpnt); mutex_unlock(&client_mutex); snd_soc_component_cleanup(cmpnt); @@ -2850,7 +2849,7 @@ static void snd_soc_platform_drv_remove(struct snd_soc_component *component) * snd_soc_add_platform - Add a platform to the ASoC core * @dev: The parent device for the platform * @platform: The platform to add - * @platform_driver: The driver for the platform + * @platform_drv: The driver for the platform */ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, const struct snd_soc_platform_driver *platform_drv) @@ -2889,7 +2888,8 @@ EXPORT_SYMBOL_GPL(snd_soc_add_platform); /** * snd_soc_register_platform - Register a platform with the ASoC core * - * @platform: platform to register + * @dev: The device for the platform + * @platform_drv: The driver for the platform */ int snd_soc_register_platform(struct device *dev, const struct snd_soc_platform_driver *platform_drv) @@ -2950,7 +2950,7 @@ EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); /** * snd_soc_unregister_platform - Unregister a platform from the ASoC core * - * @platform: platform to unregister + * @dev: platform to unregister */ void snd_soc_unregister_platform(struct device *dev) { @@ -3041,13 +3041,17 @@ static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, /** * snd_soc_register_codec - Register a codec with the ASoC core * - * @codec: codec to register + * @dev: The parent device for this codec + * @codec_drv: Codec driver + * @dai_drv: The associated DAI driver + * @num_dai: Number of DAIs */ int snd_soc_register_codec(struct device *dev, const struct snd_soc_codec_driver *codec_drv, struct snd_soc_dai_driver *dai_drv, int num_dai) { + struct snd_soc_dapm_context *dapm; struct snd_soc_codec *codec; struct snd_soc_dai *dai; int ret, i; @@ -3058,7 +3062,6 @@ int snd_soc_register_codec(struct device *dev, if (codec == NULL) return -ENOMEM; - codec->component.dapm_ptr = &codec->dapm; codec->component.codec = codec; ret = snd_soc_component_initialize(&codec->component, @@ -3088,12 +3091,14 @@ int snd_soc_register_codec(struct device *dev, if (codec_drv->read) codec->component.read = snd_soc_codec_drv_read; codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; - codec->dapm.idle_bias_off = codec_drv->idle_bias_off; - codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off; + + dapm = snd_soc_codec_get_dapm(codec); + dapm->idle_bias_off = codec_drv->idle_bias_off; + dapm->suspend_bias_off = codec_drv->suspend_bias_off; if (codec_drv->seq_notifier) - codec->dapm.seq_notifier = codec_drv->seq_notifier; + dapm->seq_notifier = codec_drv->seq_notifier; if (codec_drv->set_bias_level) - codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; + 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; @@ -3140,7 +3145,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); /** * snd_soc_unregister_codec - Unregister a codec from the ASoC core * - * @codec: codec to unregister + * @dev: codec to unregister */ void snd_soc_unregister_codec(struct device *dev) { @@ -3286,13 +3291,38 @@ int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); +static int snd_soc_of_get_slot_mask(struct device_node *np, + const char *prop_name, + unsigned int *mask) +{ + u32 val; + const __be32 *of_slot_mask = of_get_property(np, prop_name, &val); + int i; + + if (!of_slot_mask) + return 0; + val /= sizeof(u32); + for (i = 0; i < val; i++) + if (be32_to_cpup(&of_slot_mask[i])) + *mask |= (1 << i); + + return val; +} + int snd_soc_of_parse_tdm_slot(struct device_node *np, + unsigned int *tx_mask, + unsigned int *rx_mask, unsigned int *slots, unsigned int *slot_width) { u32 val; int ret; + if (tx_mask) + snd_soc_of_get_slot_mask(np, "dai-tdm-slot-tx-mask", tx_mask); + if (rx_mask) + snd_soc_of_get_slot_mask(np, "dai-tdm-slot-rx-mask", rx_mask); + if (of_property_read_bool(np, "dai-tdm-slot-num")) { ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); if (ret) @@ -3315,6 +3345,26 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); +void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, + struct snd_soc_codec_conf *codec_conf, + struct device_node *of_node, + const char *propname) +{ + struct device_node *np = card->dev->of_node; + const char *str; + int ret; + + ret = of_property_read_string(np, propname, &str); + if (ret < 0) { + /* no prefix is not error */ + return; + } + + codec_conf->of_node = of_node; + codec_conf->name_prefix = str; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix); + int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname) { @@ -3488,11 +3538,16 @@ static int snd_soc_get_dai_name(struct of_phandle_args *args, const char **dai_name) { struct snd_soc_component *pos; + struct device_node *component_of_node; int ret = -EPROBE_DEFER; mutex_lock(&client_mutex); list_for_each_entry(pos, &component_list, list) { - if (pos->dev->of_node != args->np) + component_of_node = pos->dev->of_node; + if (!component_of_node && pos->dev->parent) + component_of_node = pos->dev->parent->of_node; + + if (component_of_node != args->np) continue; if (pos->driver->of_xlate_dai_name) { |