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Merge branch 'topic/component' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-suspend

This commit is contained in:
Mark Brown 2014-09-04 20:10:21 +01:00
parent e02c716d2e b792346fa8
commit 769b475323
5 changed files with 363 additions and 422 deletions
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68
include/sound/soc.h
View File

@ -690,6 +690,17 @@ struct snd_soc_compr_ops {
struct snd_soc_component_driver {
const char *name;
/* Default control and setup, added after probe() is run */
const struct snd_kcontrol_new *controls;
unsigned int num_controls;
const struct snd_soc_dapm_widget *dapm_widgets;
unsigned int num_dapm_widgets;
const struct snd_soc_dapm_route *dapm_routes;
unsigned int num_dapm_routes;
int (*probe)(struct snd_soc_component *);
void (*remove)(struct snd_soc_component *);
/* DT */
int (*of_xlate_dai_name)(struct snd_soc_component *component,
struct of_phandle_args *args,
@ -697,6 +708,10 @@ struct snd_soc_component_driver {
void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
int subseq);
int (*stream_event)(struct snd_soc_component *, int event);
/* probe ordering - for components with runtime dependencies */
int probe_order;
int remove_order;
};
struct snd_soc_component {
@ -710,6 +725,7 @@ struct snd_soc_component {
unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
unsigned int registered_as_component:1;
unsigned int probed:1;
struct list_head list;
@ -728,9 +744,36 @@ struct snd_soc_component {
struct mutex io_mutex;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_root;
#endif
/*
* DO NOT use any of the fields below in drivers, they are temporary and
* are going to be removed again soon. If you use them in driver code the
* driver will be marked as BROKEN when these fields are removed.
*/
/* Don't use these, use snd_soc_component_get_dapm() */
struct snd_soc_dapm_context dapm;
struct snd_soc_dapm_context *dapm_ptr;
const struct snd_kcontrol_new *controls;
unsigned int num_controls;
const struct snd_soc_dapm_widget *dapm_widgets;
unsigned int num_dapm_widgets;
const struct snd_soc_dapm_route *dapm_routes;
unsigned int num_dapm_routes;
bool steal_sibling_dai_widgets;
struct snd_soc_codec *codec;
int (*probe)(struct snd_soc_component *);
void (*remove)(struct snd_soc_component *);
#ifdef CONFIG_DEBUG_FS
void (*init_debugfs)(struct snd_soc_component *component);
const char *debugfs_prefix;
#endif
};
/* SoC Audio Codec device */
@ -746,11 +789,9 @@ struct snd_soc_codec {
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int cache_bypass:1; /* Suppress access to the cache */
unsigned int suspended:1; /* Codec is in suspend PM state */
unsigned int probed:1; /* Codec has been probed */
unsigned int ac97_registered:1; /* Codec has been AC97 registered */
unsigned int ac97_created:1; /* Codec has been created by SoC */
unsigned int cache_init:1; /* codec cache has been initialized */
u32 cache_only; /* Suppress writes to hardware */
u32 cache_sync; /* Cache needs to be synced to hardware */
/* codec IO */
@ -766,7 +807,6 @@ struct snd_soc_codec {
struct snd_soc_dapm_context dapm;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_codec_root;
struct dentry *debugfs_reg;
#endif
};
@ -813,10 +853,6 @@ struct snd_soc_codec_driver {
enum snd_soc_dapm_type, int);
bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
/* probe ordering - for components with runtime dependencies */
int probe_order;
int remove_order;
};
/* SoC platform interface */
@ -853,13 +889,6 @@ struct snd_soc_platform_driver {
/* platform stream compress ops */
const struct snd_compr_ops *compr_ops;
/* probe ordering - for components with runtime dependencies */
int probe_order;
int remove_order;
/* platform IO - used for platform DAPM */
unsigned int (*read)(struct snd_soc_platform *, unsigned int);
int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
int (*bespoke_trigger)(struct snd_pcm_substream *, int);
};
@ -874,15 +903,10 @@ struct snd_soc_platform {
const struct snd_soc_platform_driver *driver;
unsigned int suspended:1; /* platform is suspended */
unsigned int probed:1;
struct list_head list;
struct snd_soc_component component;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_platform_root;
#endif
};
struct snd_soc_dai_link {
@ -994,7 +1018,7 @@ struct snd_soc_aux_dev {
const struct device_node *codec_of_node;
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_dapm_context *dapm);
int (*init)(struct snd_soc_component *component);
};
/* SoC card */
@ -1112,6 +1136,7 @@ struct snd_soc_pcm_runtime {
struct snd_soc_platform *platform;
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
struct snd_soc_component *component; /* Only valid for AUX dev rtds */
struct snd_soc_dai **codec_dais;
unsigned int num_codecs;
@ -1260,9 +1285,6 @@ void snd_soc_component_async_complete(struct snd_soc_component *component);
int snd_soc_component_test_bits(struct snd_soc_component *component,
unsigned int reg, unsigned int mask, unsigned int value);
int snd_soc_component_init_io(struct snd_soc_component *component,
struct regmap *regmap);
/* device driver data */
static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,

6
sound/soc/samsung/speyside.c
View File

@ -228,10 +228,12 @@ static struct snd_soc_dai_link speyside_dai[] = {
},
};
static int speyside_wm9081_init(struct snd_soc_dapm_context *dapm)
static int speyside_wm9081_init(struct snd_soc_component *component)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
/* At any time the WM9081 is active it will have this clock */
return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0,
return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
MCLK_AUDIO_RATE, 0);
}

679
sound/soc/soc-core.c
View File

@ -270,79 +270,54 @@ static const struct file_operations codec_reg_fops = {
.llseek = default_llseek,
};
static struct dentry *soc_debugfs_create_dir(struct dentry *parent,
const char *fmt, ...)
static void soc_init_component_debugfs(struct snd_soc_component *component)
{
struct dentry *de;
va_list ap;
char *s;
if (component->debugfs_prefix) {
char *name;
va_start(ap, fmt);
s = kvasprintf(GFP_KERNEL, fmt, ap);
va_end(ap);
name = kasprintf(GFP_KERNEL, "%s:%s",
component->debugfs_prefix, component->name);
if (name) {
component->debugfs_root = debugfs_create_dir(name,
component->card->debugfs_card_root);
kfree(name);
}
} else {
component->debugfs_root = debugfs_create_dir(component->name,
component->card->debugfs_card_root);
}
if (!s)
return NULL;
de = debugfs_create_dir(s, parent);
kfree(s);
return de;
}
static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
struct dentry *debugfs_card_root = codec->component.card->debugfs_card_root;
codec->debugfs_codec_root = soc_debugfs_create_dir(debugfs_card_root,
"codec:%s",
codec->component.name);
if (!codec->debugfs_codec_root) {
dev_warn(codec->dev,
"ASoC: Failed to create codec debugfs directory\n");
if (!component->debugfs_root) {
dev_warn(component->dev,
"ASoC: Failed to create component debugfs directory\n");
return;
}
debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root,
snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component),
component->debugfs_root);
if (component->init_debugfs)
component->init_debugfs(component);
}
static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
{
debugfs_remove_recursive(component->debugfs_root);
}
static void soc_init_codec_debugfs(struct snd_soc_component *component)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root,
&codec->cache_sync);
debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root,
&codec->cache_only);
codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
codec->debugfs_codec_root,
codec->component.debugfs_root,
codec, &codec_reg_fops);
if (!codec->debugfs_reg)
dev_warn(codec->dev,
"ASoC: Failed to create codec register debugfs file\n");
snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root);
}
static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
debugfs_remove_recursive(codec->debugfs_codec_root);
}
static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
{
struct dentry *debugfs_card_root = platform->component.card->debugfs_card_root;
platform->debugfs_platform_root = soc_debugfs_create_dir(debugfs_card_root,
"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->component.dapm,
platform->debugfs_platform_root);
}
static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
{
debugfs_remove_recursive(platform->debugfs_platform_root);
}
static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
@ -474,19 +449,15 @@ static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
#else
static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
#define soc_init_codec_debugfs NULL
static inline void soc_init_component_debugfs(
struct snd_soc_component *component)
{
}
static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
}
static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform)
{
}
static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
static inline void soc_cleanup_component_debugfs(
struct snd_soc_component *component)
{
}
@ -579,10 +550,8 @@ int snd_soc_suspend(struct device *dev)
struct snd_soc_codec *codec;
int i, j;
/* If the initialization of this soc device failed, there is no codec
* associated with it. Just bail out in this case.
*/
if (list_empty(&card->codec_dev_list))
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
return 0;
/* Due to the resume being scheduled into a workqueue we could
@ -835,10 +804,8 @@ int snd_soc_resume(struct device *dev)
struct snd_soc_card *card = dev_get_drvdata(dev);
int i, ac97_control = 0;
/* If the initialization of this soc device failed, there is no codec
* associated with it. Just bail out in this case.
*/
if (list_empty(&card->codec_dev_list))
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
return 0;
/* activate pins from sleep state */
@ -887,35 +854,40 @@ 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_component *soc_find_component(
const struct device_node *of_node, const char *name)
{
struct snd_soc_codec *codec;
struct snd_soc_component *component;
list_for_each_entry(codec, &codec_list, list) {
if (codec_of_node) {
if (codec->dev->of_node != codec_of_node)
continue;
} else {
if (strcmp(codec->component.name, codec_name))
continue;
list_for_each_entry(component, &component_list, list) {
if (of_node) {
if (component->dev->of_node == of_node)
return component;
} else if (strcmp(component->name, name) == 0) {
return component;
}
return codec;
}
return NULL;
}
static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec,
const char *codec_dai_name)
static struct snd_soc_dai *snd_soc_find_dai(
const struct snd_soc_dai_link_component *dlc)
{
struct snd_soc_dai *codec_dai;
struct snd_soc_component *component;
struct snd_soc_dai *dai;
list_for_each_entry(codec_dai, &codec->component.dai_list, list) {
if (!strcmp(codec_dai->name, codec_dai_name)) {
return codec_dai;
/* 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)
continue;
if (dlc->name && strcmp(dev_name(component->dev), dlc->name))
continue;
list_for_each_entry(dai, &component->dai_list, list) {
if (dlc->dai_name && strcmp(dai->name, dlc->dai_name))
continue;
return dai;
}
}
@ -926,33 +898,19 @@ 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_link_component cpu_dai_component;
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);
/* Find CPU DAI from registered DAIs*/
list_for_each_entry(component, &component_list, list) {
if (dai_link->cpu_of_node &&
component->dev->of_node != dai_link->cpu_of_node)
continue;
if (dai_link->cpu_name &&
strcmp(dev_name(component->dev), dai_link->cpu_name))
continue;
list_for_each_entry(cpu_dai, &component->dai_list, list) {
if (dai_link->cpu_dai_name &&
strcmp(cpu_dai->name, dai_link->cpu_dai_name))
continue;
rtd->cpu_dai = cpu_dai;
}
}
cpu_dai_component.name = dai_link->cpu_name;
cpu_dai_component.of_node = dai_link->cpu_of_node;
cpu_dai_component.dai_name = dai_link->cpu_dai_name;
rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component);
if (!rtd->cpu_dai) {
dev_err(card->dev, "ASoC: CPU DAI %s not registered\n",
dai_link->cpu_dai_name);
@ -963,15 +921,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
/* 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);
codec_dais[i] = snd_soc_find_dai(&codecs[i]);
if (!codec_dais[i]) {
dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
codecs[i].dai_name);
@ -1012,68 +962,46 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
return 0;
}
static int soc_remove_platform(struct snd_soc_platform *platform)
static void soc_remove_component(struct snd_soc_component *component)
{
int ret;
if (!component->probed)
return;
if (platform->driver->remove) {
ret = platform->driver->remove(platform);
if (ret < 0)
dev_err(platform->dev, "ASoC: failed to remove %d\n",
ret);
}
/* This is a HACK and will be removed soon */
if (component->codec)
list_del(&component->codec->card_list);
/* Make sure all DAPM widgets are freed */
snd_soc_dapm_free(&platform->component.dapm);
if (component->remove)
component->remove(component);
soc_cleanup_platform_debugfs(platform);
platform->probed = 0;
module_put(platform->dev->driver->owner);
snd_soc_dapm_free(snd_soc_component_get_dapm(component));
return 0;
soc_cleanup_component_debugfs(component);
component->probed = 0;
module_put(component->dev->driver->owner);
}
static void soc_remove_codec(struct snd_soc_codec *codec)
static void soc_remove_dai(struct snd_soc_dai *dai, int order)
{
int err;
if (codec->driver->remove) {
err = codec->driver->remove(codec);
if (err < 0)
dev_err(codec->dev, "ASoC: failed to remove %d\n", err);
}
/* Make sure all DAPM widgets are freed */
snd_soc_dapm_free(&codec->dapm);
soc_cleanup_codec_debugfs(codec);
codec->probed = 0;
list_del(&codec->card_list);
module_put(codec->dev->driver->owner);
}
static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
{
int err;
if (codec_dai && codec_dai->probed &&
codec_dai->driver->remove_order == order) {
if (codec_dai->driver->remove) {
err = codec_dai->driver->remove(codec_dai);
if (dai && dai->probed &&
dai->driver->remove_order == order) {
if (dai->driver->remove) {
err = dai->driver->remove(dai);
if (err < 0)
dev_err(codec_dai->dev,
dev_err(dai->dev,
"ASoC: failed to remove %s: %d\n",
codec_dai->name, err);
dai->name, err);
}
codec_dai->probed = 0;
dai->probed = 0;
}
}
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 *cpu_dai = rtd->cpu_dai;
int i, err;
int i;
/* unregister the rtd device */
if (rtd->dev_registered) {
@ -1085,22 +1013,9 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
/* remove the CODEC DAI */
for (i = 0; i < rtd->num_codecs; i++)
soc_remove_codec_dai(rtd->codec_dais[i], order);
soc_remove_dai(rtd->codec_dais[i], order);
/* remove the cpu_dai */
if (cpu_dai && cpu_dai->probed &&
cpu_dai->driver->remove_order == order) {
if (cpu_dai->driver->remove) {
err = cpu_dai->driver->remove(cpu_dai);
if (err < 0)
dev_err(cpu_dai->dev,
"ASoC: failed to remove %s: %d\n",
cpu_dai->name, err);
}
cpu_dai->probed = 0;
if (!cpu_dai->codec)
module_put(cpu_dai->dev->driver->owner);
}
soc_remove_dai(rtd->cpu_dai, order);
}
static void soc_remove_link_components(struct snd_soc_card *card, int num,
@ -1109,29 +1024,24 @@ 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_platform *platform = rtd->platform;
struct snd_soc_codec *codec;
struct snd_soc_component *component;
int i;
/* remove the platform */
if (platform && platform->probed &&
platform->driver->remove_order == order) {
soc_remove_platform(platform);
}
if (platform && platform->component.driver->remove_order == order)
soc_remove_component(&platform->component);
/* remove the CODEC-side 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);
component = rtd->codec_dais[i]->component;
if (component->driver->remove_order == order)
soc_remove_component(component);
}
/* remove any CPU-side CODEC */
if (cpu_dai) {
codec = cpu_dai->codec;
if (codec && codec->probed &&
codec->driver->remove_order == order)
soc_remove_codec(codec);
if (cpu_dai->component->driver->remove_order == order)
soc_remove_component(cpu_dai->component);
}
}
@ -1173,137 +1083,111 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
}
}
static int soc_probe_codec(struct snd_soc_card *card,
struct snd_soc_codec *codec)
static int soc_probe_component(struct snd_soc_card *card,
struct snd_soc_component *component)
{
int ret = 0;
const struct snd_soc_codec_driver *driver = codec->driver;
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct snd_soc_component *dai_component, *component2;
struct snd_soc_dai *dai;
int ret;
codec->component.card = card;
codec->dapm.card = card;
soc_set_name_prefix(card, &codec->component);
if (component->probed)
return 0;
if (!try_module_get(codec->dev->driver->owner))
component->card = card;
dapm->card = card;
soc_set_name_prefix(card, component);
if (!try_module_get(component->dev->driver->owner))
return -ENODEV;
soc_init_codec_debugfs(codec);
soc_init_component_debugfs(component);
if (driver->dapm_widgets) {
ret = snd_soc_dapm_new_controls(&codec->dapm,
driver->dapm_widgets,
driver->num_dapm_widgets);
if (component->dapm_widgets) {
ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets,
component->num_dapm_widgets);
if (ret != 0) {
dev_err(codec->dev,
dev_err(component->dev,
"Failed to create new controls %d\n", ret);
goto err_probe;
}
}
/* Create DAPM widgets for each DAI stream */
list_for_each_entry(dai, &codec->component.dai_list, list) {
ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai);
/*
* This is rather ugly, but certain platforms expect that the DAPM
* widgets for the DAIs for components with the same parent device are
* created in the platforms DAPM context. Until that is fixed we need to
* keep this.
*/
if (component->steal_sibling_dai_widgets) {
dai_component = NULL;
list_for_each_entry(component2, &component_list, list) {
if (component == component2)
continue;
if (ret != 0) {
dev_err(codec->dev,
"Failed to create DAI widgets %d\n", ret);
goto err_probe;
if (component2->dev == component->dev &&
!list_empty(&component2->dai_list)) {
dai_component = component2;
break;
}
}
} else {
dai_component = component;
list_for_each_entry(component2, &component_list, list) {
if (component2->dev == component->dev &&
component2->steal_sibling_dai_widgets) {
dai_component = NULL;
break;
}
}
}
codec->dapm.idle_bias_off = driver->idle_bias_off;
if (dai_component) {
list_for_each_entry(dai, &dai_component->dai_list, list) {
snd_soc_dapm_new_dai_widgets(dapm, dai);
if (ret != 0) {
dev_err(component->dev,
"Failed to create DAI widgets %d\n",
ret);
goto err_probe;
}
}
}
if (driver->probe) {
ret = driver->probe(codec);
if (component->probe) {
ret = component->probe(component);
if (ret < 0) {
dev_err(codec->dev,
"ASoC: failed to probe CODEC %d\n", ret);
dev_err(component->dev,
"ASoC: failed to probe component %d\n", ret);
goto err_probe;
}
WARN(codec->dapm.idle_bias_off &&
codec->dapm.bias_level != SND_SOC_BIAS_OFF,
WARN(dapm->idle_bias_off &&
dapm->bias_level != SND_SOC_BIAS_OFF,
"codec %s can not start from non-off bias with idle_bias_off==1\n",
codec->component.name);
component->name);
}
if (driver->controls)
snd_soc_add_codec_controls(codec, driver->controls,
driver->num_controls);
if (driver->dapm_routes)
snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes,
driver->num_dapm_routes);
if (component->controls)
snd_soc_add_component_controls(component, component->controls,
component->num_controls);
if (component->dapm_routes)
snd_soc_dapm_add_routes(dapm, component->dapm_routes,
component->num_dapm_routes);
/* mark codec as probed and add to card codec list */
codec->probed = 1;
list_add(&codec->card_list, &card->codec_dev_list);
list_add(&codec->dapm.list, &card->dapm_list);
component->probed = 1;
list_add(&dapm->list, &card->dapm_list);
/* This is a HACK and will be removed soon */
if (component->codec)
list_add(&component->codec->card_list, &card->codec_dev_list);
return 0;
err_probe:
soc_cleanup_codec_debugfs(codec);
module_put(codec->dev->driver->owner);
return ret;
}
static int soc_probe_platform(struct snd_soc_card *card,
struct snd_soc_platform *platform)
{
int ret = 0;
const struct snd_soc_platform_driver *driver = platform->driver;
struct snd_soc_component *component;
struct snd_soc_dai *dai;
platform->component.card = card;
platform->component.dapm.card = card;
if (!try_module_get(platform->dev->driver->owner))
return -ENODEV;
soc_init_platform_debugfs(platform);
if (driver->dapm_widgets)
snd_soc_dapm_new_controls(&platform->component.dapm,
driver->dapm_widgets, driver->num_dapm_widgets);
/* Create DAPM widgets for each DAI stream */
list_for_each_entry(component, &component_list, list) {
if (component->dev != platform->dev)
continue;
list_for_each_entry(dai, &component->dai_list, list)
snd_soc_dapm_new_dai_widgets(&platform->component.dapm,
dai);
}
platform->component.dapm.idle_bias_off = 1;
if (driver->probe) {
ret = driver->probe(platform);
if (ret < 0) {
dev_err(platform->dev,
"ASoC: failed to probe platform %d\n", ret);
goto err_probe;
}
}
if (driver->controls)
snd_soc_add_platform_controls(platform, driver->controls,
driver->num_controls);
if (driver->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->component.dapm.list, &card->dapm_list);
return 0;
err_probe:
soc_cleanup_platform_debugfs(platform);
module_put(platform->dev->driver->owner);
soc_cleanup_component_debugfs(component);
module_put(component->dev->driver->owner);
return ret;
}
@ -1342,17 +1226,21 @@ static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
}
rtd->dev_registered = 1;
/* add DAPM sysfs entries for this codec */
ret = snd_soc_dapm_sys_add(rtd->dev);
if (ret < 0)
dev_err(rtd->dev,
"ASoC: failed to add codec dapm sysfs entries: %d\n", ret);
if (rtd->codec) {
/* add DAPM sysfs entries for this codec */
ret = snd_soc_dapm_sys_add(rtd->dev);
if (ret < 0)
dev_err(rtd->dev,
"ASoC: failed to add codec dapm sysfs entries: %d\n",
ret);
/* add codec sysfs entries */
ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
if (ret < 0)
dev_err(rtd->dev,
"ASoC: failed to add codec sysfs files: %d\n", ret);
/* add codec sysfs entries */
ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
if (ret < 0)
dev_err(rtd->dev,
"ASoC: failed to add codec sysfs files: %d\n",
ret);
}
return 0;
}
@ -1361,33 +1249,31 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
int i, ret;
/* probe the CPU-side component, if it is a CODEC */
if (cpu_dai->codec &&
!cpu_dai->codec->probed &&
cpu_dai->codec->driver->probe_order == order) {
ret = soc_probe_codec(card, cpu_dai->codec);
component = rtd->cpu_dai->component;
if (component->driver->probe_order == order) {
ret = soc_probe_component(card, component);
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);
component = rtd->codec_dais[i]->component;
if (component->driver->probe_order == order) {
ret = soc_probe_component(card, component);
if (ret < 0)
return ret;
}
}
/* probe the platform */
if (!platform->probed &&
platform->driver->probe_order == order) {
ret = soc_probe_platform(card, platform);
if (platform->component.driver->probe_order == order) {
ret = soc_probe_component(card, &platform->component);
if (ret < 0)
return ret;
}
@ -1482,18 +1368,12 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
/* probe the cpu_dai */
if (!cpu_dai->probed &&
cpu_dai->driver->probe_order == order) {
if (!cpu_dai->codec) {
if (!try_module_get(cpu_dai->dev->driver->owner))
return -ENODEV;
}
if (cpu_dai->driver->probe) {
ret = cpu_dai->driver->probe(cpu_dai);
if (ret < 0) {
dev_err(cpu_dai->dev,
"ASoC: failed to probe CPU DAI %s: %d\n",
cpu_dai->name, ret);
module_put(cpu_dai->dev->driver->owner);
return ret;
}
}
@ -1654,17 +1534,24 @@ static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
const char *codecname = aux_dev->codec_name;
const char *name = aux_dev->codec_name;
rtd->codec = soc_find_codec(aux_dev->codec_of_node, codecname);
if (!rtd->codec) {
rtd->component = soc_find_component(aux_dev->codec_of_node, name);
if (!rtd->component) {
if (aux_dev->codec_of_node)
codecname = of_node_full_name(aux_dev->codec_of_node);
name = of_node_full_name(aux_dev->codec_of_node);
dev_err(card->dev, "ASoC: %s not registered\n", codecname);
dev_err(card->dev, "ASoC: %s not registered\n", name);
return -EPROBE_DEFER;
}
/*
* Some places still reference rtd->codec, so we have to keep that
* initialized if the component is a CODEC. Once all those references
* have been removed, this code can be removed as well.
*/
rtd->codec = rtd->component->codec;
return 0;
}
@ -1674,18 +1561,13 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
int ret;
if (rtd->codec->probed) {
dev_err(rtd->codec->dev, "ASoC: codec already probed\n");
return -EBUSY;
}
ret = soc_probe_codec(card, rtd->codec);
ret = soc_probe_component(card, rtd->component);
if (ret < 0)
return ret;
/* do machine specific initialization */
if (aux_dev->init) {
ret = aux_dev->init(&rtd->codec->dapm);
ret = aux_dev->init(rtd->component);
if (ret < 0) {
dev_err(card->dev, "ASoC: failed to init %s: %d\n",
aux_dev->name, ret);
@ -1699,7 +1581,7 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_component *component = rtd->component;
/* unregister the rtd device */
if (rtd->dev_registered) {
@ -1708,8 +1590,8 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
rtd->dev_registered = 0;
}
if (codec && codec->probed)
soc_remove_codec(codec);
if (component && component->probed)
soc_remove_component(component);
}
static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
@ -4116,6 +3998,8 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
component->dev = dev;
component->driver = driver;
component->probe = component->driver->probe;
component->remove = component->driver->remove;
if (!component->dapm_ptr)
component->dapm_ptr = &component->dapm;
@ -4124,19 +4008,42 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
dapm->dev = dev;
dapm->component = component;
dapm->bias_level = SND_SOC_BIAS_OFF;
dapm->idle_bias_off = true;
if (driver->seq_notifier)
dapm->seq_notifier = snd_soc_component_seq_notifier;
if (driver->stream_event)
dapm->stream_event = snd_soc_component_stream_event;
component->controls = driver->controls;
component->num_controls = driver->num_controls;
component->dapm_widgets = driver->dapm_widgets;
component->num_dapm_widgets = driver->num_dapm_widgets;
component->dapm_routes = driver->dapm_routes;
component->num_dapm_routes = driver->num_dapm_routes;
INIT_LIST_HEAD(&component->dai_list);
mutex_init(&component->io_mutex);
return 0;
}
static void snd_soc_component_init_regmap(struct snd_soc_component *component)
{
if (!component->regmap)
component->regmap = dev_get_regmap(component->dev, NULL);
if (component->regmap) {
int val_bytes = regmap_get_val_bytes(component->regmap);
/* Errors are legitimate for non-integer byte multiples */
if (val_bytes > 0)
component->val_bytes = val_bytes;
}
}
static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
if (!component->write && !component->read)
snd_soc_component_init_regmap(component);
list_add(&component->list, &component_list);
}
@ -4225,22 +4132,18 @@ found:
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
static int snd_soc_platform_drv_write(struct snd_soc_component *component,
unsigned int reg, unsigned int val)
static int snd_soc_platform_drv_probe(struct snd_soc_component *component)
{
struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
return platform->driver->write(platform, reg, val);
return platform->driver->probe(platform);
}
static int snd_soc_platform_drv_read(struct snd_soc_component *component,
unsigned int reg, unsigned int *val)
static void snd_soc_platform_drv_remove(struct snd_soc_component *component)
{
struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
*val = platform->driver->read(platform, reg);
return 0;
platform->driver->remove(platform);
}
/**
@ -4261,10 +4164,28 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
platform->dev = dev;
platform->driver = platform_drv;
if (platform_drv->write)
platform->component.write = snd_soc_platform_drv_write;
if (platform_drv->read)
platform->component.read = snd_soc_platform_drv_read;
if (platform_drv->controls) {
platform->component.controls = platform_drv->controls;
platform->component.num_controls = platform_drv->num_controls;
}
if (platform_drv->dapm_widgets) {
platform->component.dapm_widgets = platform_drv->dapm_widgets;
platform->component.num_dapm_widgets = platform_drv->num_dapm_widgets;
platform->component.steal_sibling_dai_widgets = true;
}
if (platform_drv->dapm_routes) {
platform->component.dapm_routes = platform_drv->dapm_routes;
platform->component.num_dapm_routes = platform_drv->num_dapm_routes;
}
if (platform_drv->probe)
platform->component.probe = snd_soc_platform_drv_probe;
if (platform_drv->remove)
platform->component.remove = snd_soc_platform_drv_remove;
#ifdef CONFIG_DEBUG_FS
platform->component.debugfs_prefix = "platform";
#endif
mutex_lock(&client_mutex);
snd_soc_component_add_unlocked(&platform->component);
@ -4386,6 +4307,20 @@ static void fixup_codec_formats(struct snd_soc_pcm_stream *stream)
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);
return codec->driver->probe(codec);
}
static void snd_soc_codec_drv_remove(struct snd_soc_component *component)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
codec->driver->remove(codec);
}
static int snd_soc_codec_drv_write(struct snd_soc_component *component,
unsigned int reg, unsigned int val)
{
@ -4424,7 +4359,6 @@ int snd_soc_register_codec(struct device *dev,
{
struct snd_soc_codec *codec;
struct snd_soc_dai *dai;
struct regmap *regmap;
int ret, i;
dev_dbg(dev, "codec register %s\n", dev_name(dev));
@ -4434,18 +4368,37 @@ int snd_soc_register_codec(struct device *dev,
return -ENOMEM;
codec->component.dapm_ptr = &codec->dapm;
codec->component.codec = codec;
ret = snd_soc_component_initialize(&codec->component,
&codec_drv->component_driver, dev);
if (ret)
goto err_free;
if (codec_drv->controls) {
codec->component.controls = codec_drv->controls;
codec->component.num_controls = codec_drv->num_controls;
}
if (codec_drv->dapm_widgets) {
codec->component.dapm_widgets = codec_drv->dapm_widgets;
codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets;
}
if (codec_drv->dapm_routes) {
codec->component.dapm_routes = codec_drv->dapm_routes;
codec->component.num_dapm_routes = codec_drv->num_dapm_routes;
}
if (codec_drv->probe)
codec->component.probe = snd_soc_codec_drv_probe;
if (codec_drv->remove)
codec->component.remove = snd_soc_codec_drv_remove;
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.codec = codec;
codec->dapm.idle_bias_off = codec_drv->idle_bias_off;
if (codec_drv->seq_notifier)
codec->dapm.seq_notifier = codec_drv->seq_notifier;
if (codec_drv->set_bias_level)
@ -4455,23 +4408,13 @@ int snd_soc_register_codec(struct device *dev,
codec->component.val_bytes = codec_drv->reg_word_size;
mutex_init(&codec->mutex);
if (!codec->component.write) {
if (codec_drv->get_regmap)
regmap = codec_drv->get_regmap(dev);
else
regmap = dev_get_regmap(dev, NULL);
#ifdef CONFIG_DEBUG_FS
codec->component.init_debugfs = soc_init_codec_debugfs;
codec->component.debugfs_prefix = "codec";
#endif
if (regmap) {
ret = snd_soc_component_init_io(&codec->component,
regmap);
if (ret) {
dev_err(codec->dev,
"Failed to set cache I/O:%d\n",
ret);
goto err_cleanup;
}
}
}
if (codec_drv->get_regmap)
codec->component.regmap = codec_drv->get_regmap(dev);
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);

4
sound/soc/soc-generic-dmaengine-pcm.c
View File

@ -336,10 +336,12 @@ static const struct snd_pcm_ops dmaengine_pcm_ops = {
};
static const struct snd_soc_platform_driver dmaengine_pcm_platform = {
.component_driver = {
.probe_order = SND_SOC_COMP_ORDER_LATE,
},
.ops = &dmaengine_pcm_ops,
.pcm_new = dmaengine_pcm_new,
.pcm_free = dmaengine_pcm_free,
.probe_order = SND_SOC_COMP_ORDER_LATE,
};
static const char * const dmaengine_pcm_dma_channel_names[] = {

28
sound/soc/soc-io.c
View File

@ -271,31 +271,3 @@ int snd_soc_platform_write(struct snd_soc_platform *platform,
return snd_soc_component_write(&platform->component, reg, val);
}
EXPORT_SYMBOL_GPL(snd_soc_platform_write);
/**
* snd_soc_component_init_io() - Initialize regmap IO
*
* @component: component to initialize
* @regmap: regmap instance to use for IO operations
*
* Return: 0 on success, a negative error code otherwise
*/
int snd_soc_component_init_io(struct snd_soc_component *component,
struct regmap *regmap)
{
int ret;
if (!regmap)
return -EINVAL;
ret = regmap_get_val_bytes(regmap);
/* Errors are legitimate for non-integer byte
* multiples */
if (ret > 0)
component->val_bytes = ret;
component->regmap = regmap;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_component_init_io);