summaryrefslogtreecommitdiffstats
path: root/sound/soc/soc-core.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 15:29:53 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 15:29:53 +0900
commiteeab517b68beb9e044e869bee18e3bdfa60e5aca (patch)
tree48a47e3223786919f664824842a5a23d7a8d99cd /sound/soc/soc-core.c
parentf095ca6b31cfd20e6e7e0338ed8548d8a4374287 (diff)
parenta6bc732b5a96b5403c2637e85c350b95ec6591f3 (diff)
Merge tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "There are no too intrusive changes in this update batch. The biggest LOC is found in the new DICE driver, and other small changes are scattered over the whole sound subtree (which is a common pattern). Below are highlights: - ALSA core: * Memory allocation support with genpool * Fix blocking in drain ioctl of compress_offload - HD-audio: * Improved AMD HDMI supports * Intel HDMI detection improvements * thinkpad_acpi mute-key integration * New PCI ID, New ALC255,285,293 codecs, CX20952 - USB-audio: * New buffer size management * Clean up endpoint handling codes - ASoC: * Further work on the dmaengine helpers, including support for configuring the parameters for DMA by reading the capabilities of the DMA controller which removes some guesswork and magic numbers from drivers. * A refresh of the documentation. * Conversions of many drivers to direct regmap API usage in order to allow the ASoC level register I/O code to be removed, this will hopefully be completed by v3.14. * Support for using async register I/O in DAPM, reducing the time taken to implement power transitions on systems that support it. - Firewire: DICE driver - Lots of small fixes for bugs reported by Coverity" * tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (382 commits) ALSA: hda/realtek - Add new codec ALC255/ALC3234 UAJ supported ALSA: hda - Apply MacBook fixups for CS4208 correctly ASoC: fsl: imx-wm8962: remove an unneeded check ASoC: fsl: imx-pcm-fiq: Remove unused 'runtime' variable ALSA: hda/realtek - Make fixup regs persist after resume ALSA: hda_intel: ratelimit "spurious response" message ASoC: generic-dmaengine-pcm: Use SNDRV_DMA_TYPE_DEV_IRAM as default ASoC: dapm: Use WARN_ON() instead of BUG_ON() ASoC: wm_adsp: Fix BUG_ON() and WARN_ON() usages ASoC: Replace BUG() with WARN() ASoC: wm_hubs: Replace BUG() with WARN() ASoC: wm8996: Replace BUG() with WARN() ASoC: wm8962: Replace BUG() with WARN() ASoC: wm8958: Replace BUG() with WARN() ASoC: wm8904: Replace BUG() with WARN() ASoC: wm8900: Replace BUG() with WARN() ASoC: wm8350: Replace BUG() with WARN() ASoC: txx9: Use WARN_ON() instead of BUG_ON() ASoC: sh: Use WARN_ON() instead of BUG_ON() ASoC: rcar: Use WARN_ON() instead of BUG_ON() ...
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c376
1 files changed, 221 insertions, 155 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1a38be0d0ca..4e53d87e881 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -662,6 +662,8 @@ int snd_soc_suspend(struct device *dev)
codec->cache_sync = 1;
if (codec->using_regmap)
regcache_mark_dirty(codec->control_data);
+ /* deactivate pins to sleep state */
+ pinctrl_pm_select_sleep_state(codec->dev);
break;
default:
dev_dbg(codec->dev,
@@ -679,6 +681,9 @@ int snd_soc_suspend(struct device *dev)
if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
cpu_dai->driver->suspend(cpu_dai);
+
+ /* deactivate pins to sleep state */
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
}
if (card->suspend_post)
@@ -807,6 +812,16 @@ int snd_soc_resume(struct device *dev)
if (list_empty(&card->codec_dev_list))
return 0;
+ /* 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;
+ if (cpu_dai->active)
+ pinctrl_pm_select_default_state(cpu_dai->dev);
+ if (codec_dai->active)
+ pinctrl_pm_select_default_state(codec_dai->dev);
+ }
+
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
* problem and may take a substantial amount of time to resume
@@ -1589,17 +1604,13 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
soc_remove_codec(codec);
}
-static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
- enum snd_soc_compress_type compress_type)
+static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
{
int ret;
if (codec->cache_init)
return 0;
- /* override the compress_type if necessary */
- if (compress_type && codec->compress_type != compress_type)
- codec->compress_type = compress_type;
ret = snd_soc_cache_init(codec);
if (ret < 0) {
dev_err(codec->dev,
@@ -1614,8 +1625,6 @@ static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
static int snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct snd_soc_codec *codec;
- struct snd_soc_codec_conf *codec_conf;
- enum snd_soc_compress_type compress_type;
struct snd_soc_dai_link *dai_link;
int ret, i, order, dai_fmt;
@@ -1639,19 +1648,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
list_for_each_entry(codec, &codec_list, list) {
if (codec->cache_init)
continue;
- /* by default we don't override the compress_type */
- compress_type = 0;
- /* check to see if we need to override the compress_type */
- for (i = 0; i < card->num_configs; ++i) {
- codec_conf = &card->codec_conf[i];
- if (!strcmp(codec->name, codec_conf->dev_name)) {
- compress_type = codec_conf->compress_type;
- if (compress_type && compress_type
- != codec->compress_type)
- break;
- }
- }
- ret = snd_soc_init_codec_cache(codec, compress_type);
+ ret = snd_soc_init_codec_cache(codec);
if (ret < 0)
goto base_error;
}
@@ -1947,6 +1944,14 @@ int snd_soc_poweroff(struct device *dev)
snd_soc_dapm_shutdown(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;
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_poweroff);
@@ -2297,13 +2302,6 @@ unsigned int snd_soc_write(struct snd_soc_codec *codec,
}
EXPORT_SYMBOL_GPL(snd_soc_write);
-unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec,
- unsigned int reg, const void *data, size_t len)
-{
- return codec->bulk_write_raw(codec, reg, data, len);
-}
-EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw);
-
/**
* snd_soc_update_bits - update codec register bits
* @codec: audio codec
@@ -2576,8 +2574,9 @@ int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
if (uinfo->value.enumerated.item > e->max - 1)
uinfo->value.enumerated.item = e->max - 1;
- strcpy(uinfo->value.enumerated.name,
- e->texts[uinfo->value.enumerated.item]);
+ strlcpy(uinfo->value.enumerated.name,
+ e->texts[uinfo->value.enumerated.item],
+ sizeof(uinfo->value.enumerated.name));
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
@@ -3576,6 +3575,22 @@ int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
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.
+ *
+ * Configures the DAI for a preset BCLK to sample rate ratio.
+ */
+int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ if (dai->driver && dai->driver->ops->set_bclk_ratio)
+ return dai->driver->ops->set_bclk_ratio(dai, ratio);
+ else
+ return -EINVAL;
+}
+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.
@@ -3775,6 +3790,16 @@ int snd_soc_register_card(struct snd_soc_card *card)
if (ret != 0)
soc_cleanup_card_debugfs(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);
+ if (!cpu_dai->active)
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ }
+
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_register_card);
@@ -4020,6 +4045,113 @@ static void snd_soc_unregister_dais(struct device *dev, size_t count)
}
/**
+ * snd_soc_register_component - Register a component with the ASoC core
+ *
+ */
+static int
+__snd_soc_register_component(struct device *dev,
+ struct snd_soc_component *cmpnt,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai, bool allow_single_dai)
+{
+ int ret;
+
+ dev_dbg(dev, "component register %s\n", dev_name(dev));
+
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to connecting component\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->name = fmt_single_name(dev, &cmpnt->id);
+ if (!cmpnt->name) {
+ dev_err(dev, "ASoC: Failed to simplifying name\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->dev = dev;
+ cmpnt->driver = cmpnt_drv;
+ cmpnt->dai_drv = dai_drv;
+ cmpnt->num_dai = num_dai;
+
+ /*
+ * snd_soc_register_dai() uses fmt_single_name(), and
+ * snd_soc_register_dais() uses fmt_multiple_name()
+ * for dai->name which is used for name based matching
+ *
+ * this function is used from cpu/codec.
+ * allow_single_dai flag can ignore "codec" driver reworking
+ * since it had been used snd_soc_register_dais(),
+ */
+ if ((1 == num_dai) && allow_single_dai)
+ ret = snd_soc_register_dai(dev, dai_drv);
+ else
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto error_component_name;
+ }
+
+ mutex_lock(&client_mutex);
+ list_add(&cmpnt->list, &component_list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
+
+ return ret;
+
+error_component_name:
+ kfree(cmpnt->name);
+
+ return ret;
+}
+
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ struct snd_soc_component *cmpnt;
+
+ cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ return __snd_soc_register_component(dev, cmpnt, cmpnt_drv,
+ dai_drv, num_dai, true);
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
+
+/**
+ * snd_soc_unregister_component - Unregister a component from the ASoC core
+ *
+ */
+void snd_soc_unregister_component(struct device *dev)
+{
+ struct snd_soc_component *cmpnt;
+
+ list_for_each_entry(cmpnt, &component_list, list) {
+ if (dev == cmpnt->dev)
+ goto found;
+ }
+ return;
+
+found:
+ snd_soc_unregister_dais(dev, cmpnt->num_dai);
+
+ mutex_lock(&client_mutex);
+ list_del(&cmpnt->list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
+ kfree(cmpnt->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+
+/**
* snd_soc_add_platform - Add a platform to the ASoC core
* @dev: The parent device for the platform
* @platform: The platform to add
@@ -4165,7 +4297,6 @@ int snd_soc_register_codec(struct device *dev,
struct snd_soc_dai_driver *dai_drv,
int num_dai)
{
- size_t reg_size;
struct snd_soc_codec *codec;
int ret, i;
@@ -4182,11 +4313,6 @@ int snd_soc_register_codec(struct device *dev,
goto fail_codec;
}
- if (codec_drv->compress_type)
- codec->compress_type = codec_drv->compress_type;
- else
- codec->compress_type = SND_SOC_FLAT_COMPRESSION;
-
codec->write = codec_drv->write;
codec->read = codec_drv->read;
codec->volatile_register = codec_drv->volatile_register;
@@ -4203,35 +4329,6 @@ int snd_soc_register_codec(struct device *dev,
codec->num_dai = num_dai;
mutex_init(&codec->mutex);
- /* allocate CODEC register cache */
- if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
- codec->reg_size = reg_size;
- /* it is necessary to make a copy of the default register cache
- * because in the case of using a compression type that requires
- * the default register cache to be marked as the
- * kernel might have freed the array by the time we initialize
- * the cache.
- */
- if (codec_drv->reg_cache_default) {
- codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default,
- reg_size, GFP_KERNEL);
- if (!codec->reg_def_copy) {
- ret = -ENOMEM;
- goto fail_codec_name;
- }
- }
- }
-
- if (codec_drv->reg_access_size && codec_drv->reg_access_default) {
- if (!codec->volatile_register)
- codec->volatile_register = snd_soc_default_volatile_register;
- if (!codec->readable_register)
- codec->readable_register = snd_soc_default_readable_register;
- if (!codec->writable_register)
- codec->writable_register = snd_soc_default_writable_register;
- }
-
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);
fixup_codec_formats(&dai_drv[i].capture);
@@ -4241,10 +4338,12 @@ int snd_soc_register_codec(struct device *dev,
list_add(&codec->list, &codec_list);
mutex_unlock(&client_mutex);
- /* register any DAIs */
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ /* register component */
+ ret = __snd_soc_register_component(dev, &codec->component,
+ &codec_drv->component_driver,
+ dai_drv, num_dai, false);
if (ret < 0) {
- dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
goto fail_codec_name;
}
@@ -4279,7 +4378,7 @@ void snd_soc_unregister_codec(struct device *dev)
return;
found:
- snd_soc_unregister_dais(dev, codec->num_dai);
+ snd_soc_unregister_component(dev);
mutex_lock(&client_mutex);
list_del(&codec->list);
@@ -4288,98 +4387,11 @@ found:
dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name);
snd_soc_cache_exit(codec);
- kfree(codec->reg_def_copy);
kfree(codec->name);
kfree(codec);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
-
-/**
- * snd_soc_register_component - Register a component with the ASoC core
- *
- */
-int snd_soc_register_component(struct device *dev,
- const struct snd_soc_component_driver *cmpnt_drv,
- struct snd_soc_dai_driver *dai_drv,
- int num_dai)
-{
- struct snd_soc_component *cmpnt;
- int ret;
-
- dev_dbg(dev, "component register %s\n", dev_name(dev));
-
- cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
- if (!cmpnt) {
- dev_err(dev, "ASoC: Failed to allocate memory\n");
- return -ENOMEM;
- }
-
- cmpnt->name = fmt_single_name(dev, &cmpnt->id);
- if (!cmpnt->name) {
- dev_err(dev, "ASoC: Failed to simplifying name\n");
- return -ENOMEM;
- }
-
- cmpnt->dev = dev;
- cmpnt->driver = cmpnt_drv;
- cmpnt->num_dai = num_dai;
-
- /*
- * snd_soc_register_dai() uses fmt_single_name(), and
- * snd_soc_register_dais() uses fmt_multiple_name()
- * for dai->name which is used for name based matching
- */
- if (1 == num_dai)
- ret = snd_soc_register_dai(dev, dai_drv);
- else
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
- if (ret < 0) {
- dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
- goto error_component_name;
- }
-
- mutex_lock(&client_mutex);
- list_add(&cmpnt->list, &component_list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
-
- return ret;
-
-error_component_name:
- kfree(cmpnt->name);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_component);
-
-/**
- * snd_soc_unregister_component - Unregister a component from the ASoC core
- *
- */
-void snd_soc_unregister_component(struct device *dev)
-{
- struct snd_soc_component *cmpnt;
-
- list_for_each_entry(cmpnt, &component_list, list) {
- if (dev == cmpnt->dev)
- goto found;
- }
- return;
-
-found:
- snd_soc_unregister_dais(dev, cmpnt->num_dai);
-
- mutex_lock(&client_mutex);
- list_del(&cmpnt->list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
- kfree(cmpnt->name);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
-
/* Retrieve a card's name from device tree */
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname)
@@ -4567,6 +4579,60 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
+int snd_soc_of_get_dai_name(struct device_node *of_node,
+ const char **dai_name)
+{
+ struct snd_soc_component *pos;
+ struct of_phandle_args args;
+ int ret;
+
+ ret = of_parse_phandle_with_args(of_node, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret)
+ return ret;
+
+ ret = -EPROBE_DEFER;
+
+ mutex_lock(&client_mutex);
+ list_for_each_entry(pos, &component_list, list) {
+ if (pos->dev->of_node != args.np)
+ continue;
+
+ if (pos->driver->of_xlate_dai_name) {
+ ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name);
+ } else {
+ int id = -1;
+
+ switch (args.args_count) {
+ case 0:
+ id = 0; /* same as dai_drv[0] */
+ break;
+ case 1:
+ id = args.args[0];
+ break;
+ default:
+ /* not supported */
+ break;
+ }
+
+ if (id < 0 || id >= pos->num_dai) {
+ ret = -EINVAL;
+ } else {
+ *dai_name = pos->dai_drv[id].name;
+ ret = 0;
+ }
+ }
+
+ break;
+ }
+ mutex_unlock(&client_mutex);
+
+ of_node_put(args.np);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
+
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS