diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 222 |
1 files changed, 163 insertions, 59 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fee4b0ef5566..c0edac80df34 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -614,6 +614,8 @@ struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); +static const struct snd_soc_ops null_snd_soc_ops; + static struct snd_soc_pcm_runtime *soc_new_pcm_runtime( struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { @@ -626,6 +628,9 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime( INIT_LIST_HEAD(&rtd->component_list); rtd->card = card; rtd->dai_link = dai_link; + if (!rtd->dai_link->ops) + rtd->dai_link->ops = &null_snd_soc_ops; + rtd->codec_dais = kzalloc(sizeof(struct snd_soc_dai *) * dai_link->num_codecs, GFP_KERNEL); @@ -639,8 +644,7 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime( static void soc_free_pcm_runtime(struct snd_soc_pcm_runtime *rtd) { - if (rtd && rtd->codec_dais) - kfree(rtd->codec_dais); + kfree(rtd->codec_dais); snd_soc_rtdcom_del_all(rtd); kfree(rtd); } @@ -2632,7 +2636,7 @@ EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { - if (dai->driver && dai->driver->ops->set_sysclk) + if (dai->driver->ops->set_sysclk) return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); return snd_soc_component_set_sysclk(dai->component, clk_id, 0, @@ -2700,7 +2704,7 @@ EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk); int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div) { - if (dai->driver && dai->driver->ops->set_clkdiv) + if (dai->driver->ops->set_clkdiv) return dai->driver->ops->set_clkdiv(dai, div_id, div); else return -EINVAL; @@ -2720,7 +2724,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { - if (dai->driver && dai->driver->ops->set_pll) + if (dai->driver->ops->set_pll) return dai->driver->ops->set_pll(dai, pll_id, source, freq_in, freq_out); @@ -2786,7 +2790,7 @@ EXPORT_SYMBOL_GPL(snd_soc_component_set_pll); */ int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) { - if (dai->driver && dai->driver->ops->set_bclk_ratio) + if (dai->driver->ops->set_bclk_ratio) return dai->driver->ops->set_bclk_ratio(dai, ratio); else return -EINVAL; @@ -2796,7 +2800,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); /** * snd_soc_dai_set_fmt - configure DAI hardware audio format. * @dai: DAI - * @fmt: SND_SOC_DAIFMT_ format value. + * @fmt: SND_SOC_DAIFMT_* format value. * * Configures the DAI hardware format and clocking. */ @@ -2860,7 +2864,7 @@ static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { - if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) + if (dai->driver->ops->xlate_tdm_slot_mask) dai->driver->ops->xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); else @@ -2869,7 +2873,7 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, dai->tx_mask = tx_mask; dai->rx_mask = rx_mask; - if (dai->driver && dai->driver->ops->set_tdm_slot) + if (dai->driver->ops->set_tdm_slot) return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, slots, slot_width); else @@ -2893,7 +2897,7 @@ int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_num, unsigned int *tx_slot, unsigned int rx_num, unsigned int *rx_slot) { - if (dai->driver && dai->driver->ops->set_channel_map) + if (dai->driver->ops->set_channel_map) return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, rx_num, rx_slot); else @@ -2910,7 +2914,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); */ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) { - if (dai->driver && dai->driver->ops->set_tristate) + if (dai->driver->ops->set_tristate) return dai->driver->ops->set_tristate(dai, tristate); else return -EINVAL; @@ -3250,6 +3254,30 @@ static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, return component->driver->stream_event(component, event); } +static int snd_soc_component_drv_pcm_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + if (component->driver->pcm_new) + return component->driver->pcm_new(rtd); + + return 0; +} + +static void snd_soc_component_drv_pcm_free(struct snd_soc_component *component, + struct snd_pcm *pcm) +{ + if (component->driver->pcm_free) + component->driver->pcm_free(pcm); +} + +static int snd_soc_component_set_bias_level(struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_component *component = dapm->component; + + return component->driver->set_bias_level(component, level); +} + static int snd_soc_component_initialize(struct snd_soc_component *component, const struct snd_soc_component_driver *driver, struct device *dev) { @@ -3270,16 +3298,21 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, component->set_sysclk = component->driver->set_sysclk; component->set_pll = component->driver->set_pll; component->set_jack = component->driver->set_jack; + component->pcm_new = snd_soc_component_drv_pcm_new; + component->pcm_free = snd_soc_component_drv_pcm_free; dapm = snd_soc_component_get_dapm(component); dapm->dev = dev; dapm->component = component; dapm->bias_level = SND_SOC_BIAS_OFF; - dapm->idle_bias_off = true; + dapm->idle_bias_off = !driver->idle_bias_on; + dapm->suspend_bias_off = driver->suspend_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; + if (driver->set_bias_level) + dapm->set_bias_level = snd_soc_component_set_bias_level; INIT_LIST_HEAD(&component->dai_list); mutex_init(&component->io_mutex); @@ -3371,19 +3404,49 @@ static void snd_soc_component_del_unlocked(struct snd_soc_component *component) list_del(&component->list); } -int snd_soc_register_component(struct device *dev, - const struct snd_soc_component_driver *component_driver, - struct snd_soc_dai_driver *dai_drv, - int num_dai) +#define ENDIANNESS_MAP(name) \ + (SNDRV_PCM_FMTBIT_##name##LE | SNDRV_PCM_FMTBIT_##name##BE) +static u64 endianness_format_map[] = { + ENDIANNESS_MAP(S16_), + ENDIANNESS_MAP(U16_), + ENDIANNESS_MAP(S24_), + ENDIANNESS_MAP(U24_), + ENDIANNESS_MAP(S32_), + ENDIANNESS_MAP(U32_), + ENDIANNESS_MAP(S24_3), + ENDIANNESS_MAP(U24_3), + ENDIANNESS_MAP(S20_3), + ENDIANNESS_MAP(U20_3), + ENDIANNESS_MAP(S18_3), + ENDIANNESS_MAP(U18_3), + ENDIANNESS_MAP(FLOAT_), + ENDIANNESS_MAP(FLOAT64_), + ENDIANNESS_MAP(IEC958_SUBFRAME_), +}; + +/* + * Fix up the DAI formats for endianness: codecs don't actually see + * the endianness of the data but we're using the CPU format + * definitions which do need to include endianness so we ensure that + * codec DAIs always have both big and little endian variants set. + */ +static void convert_endianness_formats(struct snd_soc_pcm_stream *stream) { - struct snd_soc_component *component; - int ret; + int i; - component = kzalloc(sizeof(*component), GFP_KERNEL); - if (!component) { - dev_err(dev, "ASoC: Failed to allocate memory\n"); - return -ENOMEM; - } + for (i = 0; i < ARRAY_SIZE(endianness_format_map); i++) + if (stream->formats & endianness_format_map[i]) + stream->formats |= endianness_format_map[i]; +} + +int snd_soc_add_component(struct device *dev, + struct snd_soc_component *component, + const struct snd_soc_component_driver *component_driver, + struct snd_soc_dai_driver *dai_drv, + int num_dai) +{ + int ret; + int i; ret = snd_soc_component_initialize(component, component_driver, dev); if (ret) @@ -3392,7 +3455,15 @@ int snd_soc_register_component(struct device *dev, component->ignore_pmdown_time = true; component->registered_as_component = true; - ret = snd_soc_register_dais(component, dai_drv, num_dai, true); + if (component_driver->endianness) { + for (i = 0; i < num_dai; i++) { + convert_endianness_formats(&dai_drv[i].playback); + convert_endianness_formats(&dai_drv[i].capture); + } + } + + ret = snd_soc_register_dais(component, dai_drv, num_dai, + !component_driver->non_legacy_dai_naming); if (ret < 0) { dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); goto err_cleanup; @@ -3408,6 +3479,22 @@ err_free: kfree(component); return ret; } +EXPORT_SYMBOL_GPL(snd_soc_add_component); + +int snd_soc_register_component(struct device *dev, + const struct snd_soc_component_driver *component_driver, + struct snd_soc_dai_driver *dai_drv, + int num_dai) +{ + struct snd_soc_component *component; + + component = kzalloc(sizeof(*component), GFP_KERNEL); + if (!component) + return -ENOMEM; + + return snd_soc_add_component(dev, component, component_driver, + dai_drv, num_dai); +} EXPORT_SYMBOL_GPL(snd_soc_register_component); /** @@ -3448,6 +3535,32 @@ void snd_soc_unregister_component(struct device *dev) } EXPORT_SYMBOL_GPL(snd_soc_unregister_component); +struct snd_soc_component *snd_soc_lookup_component(struct device *dev, + const char *driver_name) +{ + struct snd_soc_component *component; + struct snd_soc_component *ret; + + ret = NULL; + mutex_lock(&client_mutex); + list_for_each_entry(component, &component_list, list) { + if (dev != component->dev) + continue; + + if (driver_name && + (driver_name != component->driver->name) && + (strcmp(component->driver->name, driver_name) != 0)) + continue; + + ret = component; + break; + } + mutex_unlock(&client_mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_lookup_component); + static int snd_soc_platform_drv_probe(struct snd_soc_component *component) { struct snd_soc_platform *platform = snd_soc_component_to_platform(component); @@ -3462,6 +3575,26 @@ static void snd_soc_platform_drv_remove(struct snd_soc_component *component) platform->driver->remove(platform); } +static int snd_soc_platform_drv_pcm_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_platform *platform = snd_soc_component_to_platform(component); + + if (platform->driver->pcm_new) + return platform->driver->pcm_new(rtd); + + return 0; +} + +static void snd_soc_platform_drv_pcm_free(struct snd_soc_component *component, + struct snd_pcm *pcm) +{ + struct snd_soc_platform *platform = snd_soc_component_to_platform(component); + + if (platform->driver->pcm_free) + platform->driver->pcm_free(pcm); +} + /** * snd_soc_add_platform - Add a platform to the ASoC core * @dev: The parent device for the platform @@ -3485,6 +3618,10 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, platform->component.probe = snd_soc_platform_drv_probe; if (platform_drv->remove) platform->component.remove = snd_soc_platform_drv_remove; + if (platform_drv->pcm_new) + platform->component.pcm_new = snd_soc_platform_drv_pcm_new; + if (platform_drv->pcm_free) + platform->component.pcm_free = snd_soc_platform_drv_pcm_free; #ifdef CONFIG_DEBUG_FS platform->component.debugfs_prefix = "platform"; @@ -3582,39 +3719,6 @@ void snd_soc_unregister_platform(struct device *dev) } EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); -static u64 codec_format_map[] = { - SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, - SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, - SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, - SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, - SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, - SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, - SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, - SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, - SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, - SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, - SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, - SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, - SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE - | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, -}; - -/* Fix up the DAI formats for endianness: codecs don't actually see - * the endianness of the data but we're using the CPU format - * definitions which do need to include endianness so we ensure that - * codec DAIs always have both big and little endian variants set. - */ -static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) - if (stream->formats & codec_format_map[i]) - stream->formats |= codec_format_map[i]; -} - static int snd_soc_codec_drv_probe(struct snd_soc_component *component) { struct snd_soc_codec *codec = snd_soc_component_to_codec(component); @@ -3765,8 +3869,8 @@ int snd_soc_register_codec(struct device *dev, codec->component.regmap = codec_drv->get_regmap(dev); for (i = 0; i < num_dai; i++) { - fixup_codec_formats(&dai_drv[i].playback); - fixup_codec_formats(&dai_drv[i].capture); + convert_endianness_formats(&dai_drv[i].playback); + convert_endianness_formats(&dai_drv[i].capture); } ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); 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