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-rw-r--r--include/sound/soc-dai.h4
-rw-r--r--include/sound/soc.h13
-rw-r--r--sound/soc/soc-core.c293
3 files changed, 220 insertions, 90 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 031be2a..e8b3080 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -272,6 +272,10 @@ struct snd_soc_dai {
struct snd_soc_codec *codec;
struct snd_soc_component *component;
+ /* CODEC TDM slot masks and params (for fixup) */
+ unsigned int tx_mask;
+ unsigned int rx_mask;
+
struct snd_soc_card *card;
struct list_head list;
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 9a5b4f6..f2142cf 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -846,6 +846,12 @@ struct snd_soc_platform_driver {
int (*bespoke_trigger)(struct snd_pcm_substream *, int);
};
+struct snd_soc_dai_link_component {
+ const char *name;
+ const struct device_node *of_node;
+ const char *dai_name;
+};
+
struct snd_soc_platform {
struct device *dev;
const struct snd_soc_platform_driver *driver;
@@ -891,6 +897,10 @@ struct snd_soc_dai_link {
const struct device_node *codec_of_node;
/* You MUST specify the DAI name within the codec */
const char *codec_dai_name;
+
+ struct snd_soc_dai_link_component *codecs;
+ unsigned int num_codecs;
+
/*
* You MAY specify the link's platform/PCM/DMA driver, either by
* device name, or by DT/OF node, but not both. Some forms of link
@@ -1089,6 +1099,9 @@ struct snd_soc_pcm_runtime {
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
+ struct snd_soc_dai **codec_dais;
+ unsigned int num_codecs;
+
struct delayed_work delayed_work;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_dpcm_root;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c32d8399e..6e47610 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -576,7 +576,7 @@ int snd_soc_suspend(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
struct snd_soc_codec *codec;
- int i;
+ int i, j;
/* If the initialization of this soc device failed, there is no codec
* associated with it. Just bail out in this case.
@@ -596,14 +596,17 @@ int snd_soc_suspend(struct device *dev)
/* mute any active DACs */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dai;
- struct snd_soc_dai_driver *drv = dai->driver;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (drv->ops->digital_mute && dai->playback_active)
- drv->ops->digital_mute(dai, 1);
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ struct snd_soc_dai_driver *drv = dai->driver;
+
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 1);
+ }
}
/* suspend all pcms */
@@ -634,8 +637,12 @@ int snd_soc_suspend(struct device *dev)
/* close any waiting streams and save state */
for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais;
flush_delayed_work(&card->rtd[i].delayed_work);
- card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ codec_dais[j]->codec->dapm.suspend_bias_level =
+ codec_dais[j]->codec->dapm.bias_level;
+ }
}
for (i = 0; i < card->num_rtd; i++) {
@@ -719,7 +726,7 @@ static void soc_resume_deferred(struct work_struct *work)
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
struct snd_soc_codec *codec;
- int i;
+ int i, j;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
* so userspace apps are blocked from touching us
@@ -780,14 +787,17 @@ static void soc_resume_deferred(struct work_struct *work)
/* unmute any active DACs */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dai;
- struct snd_soc_dai_driver *drv = dai->driver;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (drv->ops->digital_mute && dai->playback_active)
- drv->ops->digital_mute(dai, 0);
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ struct snd_soc_dai_driver *drv = dai->driver;
+
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 0);
+ }
}
for (i = 0; i < card->num_rtd; i++) {
@@ -832,12 +842,19 @@ int snd_soc_resume(struct device *dev)
/* activate pins from sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
if (cpu_dai->active)
pinctrl_pm_select_default_state(cpu_dai->dev);
- if (codec_dai->active)
- pinctrl_pm_select_default_state(codec_dai->dev);
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = codec_dais[j];
+ if (codec_dai->active)
+ pinctrl_pm_select_default_state(codec_dai->dev);
+ }
}
/* AC97 devices might have other drivers hanging off them so
@@ -869,8 +886,9 @@ EXPORT_SYMBOL_GPL(snd_soc_resume);
static const struct snd_soc_dai_ops null_dai_ops = {
};
-static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node,
- const char *codec_name)
+static struct snd_soc_codec *soc_find_codec(
+ const struct device_node *codec_of_node,
+ const char *codec_name)
{
struct snd_soc_codec *codec;
@@ -908,9 +926,12 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_component *component;
+ struct snd_soc_dai_link_component *codecs = dai_link->codecs;
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
struct snd_soc_platform *platform;
struct snd_soc_dai *cpu_dai;
const char *platform_name;
+ int i;
dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
@@ -937,24 +958,30 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
return -EPROBE_DEFER;
}
- /* Find CODEC from registered list */
- rtd->codec = soc_find_codec(dai_link->codec_of_node,
- dai_link->codec_name);
- if (!rtd->codec) {
- dev_err(card->dev, "ASoC: CODEC %s not registered\n",
- dai_link->codec_name);
- return -EPROBE_DEFER;
- }
+ rtd->num_codecs = dai_link->num_codecs;
- /* Find CODEC DAI from registered list */
- rtd->codec_dai = soc_find_codec_dai(rtd->codec,
- dai_link->codec_dai_name);
- if (!rtd->codec_dai) {
- dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
- dai_link->codec_dai_name);
- return -EPROBE_DEFER;
+ /* Find CODEC from registered CODECs */
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_codec *codec;
+ codec = soc_find_codec(codecs[i].of_node, codecs[i].name);
+ if (!codec) {
+ dev_err(card->dev, "ASoC: CODEC %s not registered\n",
+ codecs[i].name);
+ return -EPROBE_DEFER;
+ }
+
+ codec_dais[i] = soc_find_codec_dai(codec, codecs[i].dai_name);
+ if (!codec_dais[i]) {
+ dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
+ codecs[i].dai_name);
+ return -EPROBE_DEFER;
+ }
}
+ /* Single codec links expect codec and codec_dai in runtime data */
+ rtd->codec_dai = codec_dais[0];
+ rtd->codec = rtd->codec_dai->codec;
+
/* if there's no platform we match on the empty platform */
platform_name = dai_link->platform_name;
if (!platform_name && !dai_link->platform_of_node)
@@ -1045,8 +1072,8 @@ static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
- int err;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int i, err;
/* unregister the rtd device */
if (rtd->dev_registered) {
@@ -1057,7 +1084,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
}
/* remove the CODEC DAI */
- soc_remove_codec_dai(codec_dai, order);
+ for (i = 0; i < rtd->num_codecs; i++)
+ soc_remove_codec_dai(rtd->codec_dais[i], order);
/* remove the cpu_dai */
if (cpu_dai && cpu_dai->probed &&
@@ -1080,9 +1108,9 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_codec *codec;
+ int i;
/* remove the platform */
if (platform && platform->probed &&
@@ -1091,8 +1119,8 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
}
/* remove the CODEC-side CODEC */
- if (codec_dai) {
- codec = codec_dai->codec;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec = rtd->codec_dais[i]->codec;
if (codec && codec->probed &&
codec->driver->remove_order == order)
soc_remove_codec(codec);
@@ -1335,9 +1363,8 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_platform *platform = rtd->platform;
- int ret;
+ int i, ret;
/* probe the CPU-side component, if it is a CODEC */
if (cpu_dai->codec &&
@@ -1348,12 +1375,14 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
return ret;
}
- /* probe the CODEC-side component */
- if (!codec_dai->codec->probed &&
- codec_dai->codec->driver->probe_order == order) {
- ret = soc_probe_codec(card, codec_dai->codec);
- if (ret < 0)
- return ret;
+ /* probe the CODEC-side components */
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (!rtd->codec_dais[i]->codec->probed &&
+ rtd->codec_dais[i]->codec->driver->probe_order == order) {
+ ret = soc_probe_codec(card, rtd->codec_dais[i]->codec);
+ if (ret < 0)
+ return ret;
+ }
}
/* probe the platform */
@@ -1400,6 +1429,9 @@ static int soc_link_dai_widgets(struct snd_soc_card *card,
struct snd_soc_dapm_widget *play_w, *capture_w;
int ret;
+ if (rtd->num_codecs > 1)
+ dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n");
+
/* link the DAI widgets */
play_w = codec_dai->playback_widget;
capture_w = cpu_dai->capture_widget;
@@ -1432,19 +1464,18 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int ret;
+ int i, ret;
dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
card->name, num, order);
/* config components */
cpu_dai->platform = platform;
- codec_dai->card = card;
cpu_dai->card = card;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->card = card;
/* set default power off timeout */
rtd->pmdown_time = pmdown_time;
@@ -1471,9 +1502,11 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
}
/* probe the CODEC DAI */
- ret = soc_probe_codec_dai(card, codec_dai, order);
- if (ret)
- return ret;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order);
+ if (ret)
+ return ret;
+ }
/* complete DAI probe during last probe */
if (order != SND_SOC_COMP_ORDER_LAST)
@@ -1541,8 +1574,11 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
}
/* add platform data for AC97 devices */
- if (rtd->codec_dai->driver->ac97_control)
- snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (rtd->codec_dais[i]->driver->ac97_control)
+ snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
+ rtd->cpu_dai->ac97_pdata);
+ }
return 0;
}
@@ -1580,11 +1616,6 @@ static int soc_register_ac97_codec(struct snd_soc_codec *codec,
return 0;
}
-static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
-{
- return soc_register_ac97_codec(rtd->codec, rtd->codec_dai);
-}
-
static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
{
if (codec->ac97_registered) {
@@ -1593,9 +1624,30 @@ static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
}
}
+static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
+{
+ int i, ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+
+ ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
+ if (ret) {
+ while (--i >= 0)
+ soc_unregister_ac97_codec(codec_dai->codec);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
{
- soc_unregister_ac97_codec(rtd->codec);
+ int i;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
}
#endif
@@ -1794,16 +1846,23 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
card->num_dapm_routes);
for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
dai_link = &card->dai_link[i];
dai_fmt = dai_link->dai_fmt;
if (dai_fmt) {
- ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
- dai_fmt);
- if (ret != 0 && ret != -ENOTSUPP)
- dev_warn(card->rtd[i].codec_dai->dev,
- "ASoC: Failed to set DAI format: %d\n",
- ret);
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ int j;
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = codec_dais[j];
+
+ ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(codec_dai->dev,
+ "ASoC: Failed to set DAI format: %d\n",
+ ret);
+ }
}
/* If this is a regular CPU link there will be a platform */
@@ -2002,10 +2061,15 @@ int snd_soc_poweroff(struct device *dev)
/* deactivate pins to sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
- pinctrl_pm_select_sleep_state(codec_dai->dev);
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ }
}
return 0;
@@ -3585,6 +3649,9 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
else
snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
+ dai->tx_mask = tx_mask;
+ dai->rx_mask = rx_mask;
+
if (dai->driver && dai->driver->ops->set_tdm_slot)
return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
slots, slot_width);
@@ -3657,6 +3724,33 @@ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
}
EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
+static int snd_soc_init_multicodec(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
+{
+ /* Legacy codec/codec_dai link is a single entry in multicodec */
+ if (dai_link->codec_name || dai_link->codec_of_node ||
+ dai_link->codec_dai_name) {
+ dai_link->num_codecs = 1;
+
+ dai_link->codecs = devm_kzalloc(card->dev,
+ sizeof(struct snd_soc_dai_link_component),
+ GFP_KERNEL);
+ if (!dai_link->codecs)
+ return -ENOMEM;
+
+ dai_link->codecs[0].name = dai_link->codec_name;
+ dai_link->codecs[0].of_node = dai_link->codec_of_node;
+ dai_link->codecs[0].dai_name = dai_link->codec_dai_name;
+ }
+
+ if (!dai_link->codecs) {
+ dev_err(card->dev, "ASoC: DAI link has no CODECs\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/**
* snd_soc_register_card - Register a card with the ASoC core
*
@@ -3665,7 +3759,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
*/
int snd_soc_register_card(struct snd_soc_card *card)
{
- int i, ret;
+ int i, j, ret;
if (!card->name || !card->dev)
return -EINVAL;
@@ -3673,22 +3767,29 @@ int snd_soc_register_card(struct snd_soc_card *card)
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai_link *link = &card->dai_link[i];
- /*
- * Codec must be specified by 1 of name or OF node,
- * not both or neither.
- */
- if (!!link->codec_name == !!link->codec_of_node) {
- dev_err(card->dev,
- "ASoC: Neither/both codec name/of_node are set for %s\n",
- link->name);
- return -EINVAL;
+ ret = snd_soc_init_multicodec(card, link);
+ if (ret) {
+ dev_err(card->dev, "ASoC: failed to init multicodec\n");
+ return ret;
}
- /* Codec DAI name must be specified */
- if (!link->codec_dai_name) {
- dev_err(card->dev,
- "ASoC: codec_dai_name not set for %s\n",
- link->name);
- return -EINVAL;
+
+ for (j = 0; j < link->num_codecs; j++) {
+ /*
+ * Codec must be specified by 1 of name or OF node,
+ * not both or neither.
+ */
+ if (!!link->codecs[j].name ==
+ !!link->codecs[j].of_node) {
+ dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
+ /* Codec DAI name must be specified */
+ if (!link->codecs[j].dai_name) {
+ dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
}
/*
@@ -3744,6 +3845,12 @@ int snd_soc_register_card(struct snd_soc_card *card)
for (i = 0; i < card->num_links; i++) {
card->rtd[i].card = card;
card->rtd[i].dai_link = &card->dai_link[i];
+ card->rtd[i].codec_dais = devm_kzalloc(card->dev,
+ sizeof(struct snd_soc_dai *) *
+ (card->rtd[i].dai_link->num_codecs),
+ GFP_KERNEL);
+ if (card->rtd[i].codec_dais == NULL)
+ return -ENOMEM;
}
for (i = 0; i < card->num_aux_devs; i++)
@@ -3760,10 +3867,16 @@ int snd_soc_register_card(struct snd_soc_card *card)
/* deactivate pins to sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
- if (!codec_dai->active)
- pinctrl_pm_select_sleep_state(codec_dai->dev);
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ if (!codec_dai->active)
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ }
+
if (!cpu_dai->active)
pinctrl_pm_select_sleep_state(cpu_dai->dev);
}
generated by cgit v0.10.2 at 2024-08-29 12:15:00 (GMT)