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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c192
1 files changed, 142 insertions, 50 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 3a1c3b44de5e..533c822ca6e6 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;
@@ -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);
@@ -3371,6 +3404,41 @@ static void snd_soc_component_del_unlocked(struct snd_soc_component *component)
list_del(&component->list);
}
+#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)
+{
+ int i;
+
+ 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,
@@ -3378,6 +3446,7 @@ int snd_soc_add_component(struct device *dev,
int num_dai)
{
int ret;
+ int i;
ret = snd_soc_component_initialize(component, component_driver, dev);
if (ret)
@@ -3386,7 +3455,15 @@ int snd_soc_add_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;
@@ -3412,10 +3489,8 @@ int snd_soc_register_component(struct device *dev,
struct snd_soc_component *component;
component = kzalloc(sizeof(*component), GFP_KERNEL);
- if (!component) {
- dev_err(dev, "ASoC: Failed to allocate memory\n");
+ if (!component)
return -ENOMEM;
- }
return snd_soc_add_component(dev, component, component_driver,
dai_drv, num_dai);
@@ -3460,6 +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);
@@ -3474,6 +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
@@ -3497,6 +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";
@@ -3594,39 +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);
@@ -3777,8 +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);
generated by cgit (git 2.34.1) at 2024-05-03 19:55:35 +0000