#include <linux/slab.h>
#include <sound/ac97_codec.h>
#include <sound/core.h>
+#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
-/*
- * This function forces any delayed work to be queued and run.
- */
-static int run_delayed_work(struct delayed_work *dwork)
-{
- int ret;
-
- /* cancel any work waiting to be queued. */
- ret = cancel_delayed_work(dwork);
-
- /* if there was any work waiting then we run it now and
- * wait for it's completion */
- if (ret) {
- schedule_delayed_work(dwork, 0);
- flush_scheduled_work();
- }
- return ret;
-}
-
/* codec register dump */
static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
{
* the register being volatile and the device being
* powered off.
*/
- ret = codec->driver->read(codec, i);
+ ret = snd_soc_read(codec, i);
if (ret >= 0)
count += snprintf(buf + count,
PAGE_SIZE - count,
start++;
if (strict_strtoul(start, 16, &value))
return -EINVAL;
- codec->driver->write(codec, reg, value);
+ snd_soc_write(codec, reg, value);
return buf_size;
}
}
}
- /* Check that the codec and cpu DAI's are compatible */
+ /* Check that the codec and cpu DAIs are compatible */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
runtime->hw.rate_min =
max(codec_dai_drv->playback.rate_min,
}
/*
- * Free's resources allocated by hw_params, can be called multiple times
+ * Frees resources allocated by hw_params, can be called multiple times
*/
static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
{
if (platform->driver->ops->hw_free)
platform->driver->ops->hw_free(substream);
- /* now free hw params for the DAI's */
+ /* now free hw params for the DAIs */
if (codec_dai->driver->ops->hw_free)
codec_dai->driver->ops->hw_free(substream, codec_dai);
{
struct platform_device *pdev = to_platform_device(dev);
struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
int i;
/* If the initialization of this soc device failed, there is no codec
/* we're going to block userspace touching us until resume completes */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
- /* mute any active DAC's */
+ /* 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;
/* close any waiting streams and save state */
for (i = 0; i < card->num_rtd; i++) {
- run_delayed_work(&card->rtd[i].delayed_work);
+ flush_delayed_work_sync(&card->rtd[i].delayed_work);
card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
}
}
/* suspend all CODECs */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_codec *codec = card->rtd[i].codec;
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If there are paths active then the CODEC will be held with
* bias _ON and should not be suspended. */
if (!codec->suspended && codec->driver->suspend) {
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
struct platform_device *pdev = to_platform_device(card->dev);
+ struct snd_soc_codec *codec;
int i;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
cpu_dai->driver->resume(cpu_dai);
}
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_codec *codec = card->rtd[i].codec;
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If the CODEC was idle over suspend then it will have been
* left with bias OFF or STANDBY and suspended so we must now
* resume. Otherwise the suspend was suppressed.
return 1;
}
+static void soc_remove_codec(struct snd_soc_codec *codec)
+{
+ int err;
+
+ if (codec->driver->remove) {
+ err = codec->driver->remove(codec);
+ if (err < 0)
+ dev_err(codec->dev,
+ "asoc: failed to remove %s: %d\n",
+ codec->name, 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_dai_link(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
/* unregister the rtd device */
if (rtd->dev_registered) {
device_remove_file(&rtd->dev, &dev_attr_pmdown_time);
+ device_remove_file(&rtd->dev, &dev_attr_codec_reg);
device_unregister(&rtd->dev);
rtd->dev_registered = 0;
}
}
/* remove the CODEC */
- if (codec && codec->probed) {
- if (codec->driver->remove) {
- err = codec->driver->remove(codec);
- if (err < 0)
- printk(KERN_ERR "asoc: failed to remove %s\n", codec->name);
- }
-
- /* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(&codec->dapm);
-
- soc_cleanup_codec_debugfs(codec);
- device_remove_file(&rtd->dev, &dev_attr_codec_reg);
- codec->probed = 0;
- list_del(&codec->card_list);
- module_put(codec->dev->driver->owner);
- }
+ if (codec && codec->probed)
+ soc_remove_codec(codec);
/* remove the cpu_dai */
if (cpu_dai && cpu_dai->probed) {
{
int i;
- if (card->prefix_map == NULL)
+ if (card->codec_conf == NULL)
return;
- for (i = 0; i < card->num_prefixes; i++) {
- struct snd_soc_prefix_map *map = &card->prefix_map[i];
+ for (i = 0; i < card->num_configs; i++) {
+ struct snd_soc_codec_conf *map = &card->codec_conf[i];
if (map->dev_name && !strcmp(codec->name, map->dev_name)) {
codec->name_prefix = map->name_prefix;
break;
}
}
+static int soc_probe_codec(struct snd_soc_card *card,
+ struct snd_soc_codec *codec)
+{
+ int ret = 0;
+
+ codec->card = card;
+ codec->dapm.card = card;
+ soc_set_name_prefix(card, codec);
+
+ if (codec->driver->probe) {
+ ret = codec->driver->probe(codec);
+ if (ret < 0) {
+ dev_err(codec->dev,
+ "asoc: failed to probe CODEC %s: %d\n",
+ codec->name, ret);
+ return ret;
+ }
+ }
+
+ soc_init_codec_debugfs(codec);
+
+ /* mark codec as probed and add to card codec list */
+ codec->probed = 1;
+ list_add(&codec->card_list, &card->codec_dev_list);
+
+ return ret;
+}
+
static void rtd_release(struct device *dev) {}
+static int soc_post_component_init(struct snd_soc_card *card,
+ struct snd_soc_codec *codec,
+ int num, int dailess)
+{
+ struct snd_soc_dai_link *dai_link = NULL;
+ struct snd_soc_aux_dev *aux_dev = NULL;
+ struct snd_soc_pcm_runtime *rtd;
+ const char *temp, *name;
+ int ret = 0;
+
+ if (!dailess) {
+ dai_link = &card->dai_link[num];
+ rtd = &card->rtd[num];
+ name = dai_link->name;
+ } else {
+ aux_dev = &card->aux_dev[num];
+ rtd = &card->rtd_aux[num];
+ name = aux_dev->name;
+ }
+
+ /* machine controls, routes and widgets are not prefixed */
+ temp = codec->name_prefix;
+ codec->name_prefix = NULL;
+
+ /* do machine specific initialization */
+ if (!dailess && dai_link->init)
+ ret = dai_link->init(rtd);
+ else if (dailess && aux_dev->init)
+ ret = aux_dev->init(&codec->dapm);
+ if (ret < 0) {
+ dev_err(card->dev, "asoc: failed to init %s: %d\n", name, ret);
+ return ret;
+ }
+ codec->name_prefix = temp;
+
+ /* Make sure all DAPM widgets are instantiated */
+ snd_soc_dapm_new_widgets(&codec->dapm);
+ snd_soc_dapm_sync(&codec->dapm);
+
+ /* register the rtd device */
+ rtd->codec = codec;
+ rtd->card = card;
+ rtd->dev.parent = card->dev;
+ rtd->dev.release = rtd_release;
+ rtd->dev.init_name = name;
+ ret = device_register(&rtd->dev);
+ if (ret < 0) {
+ dev_err(card->dev,
+ "asoc: failed to register runtime device: %d\n", ret);
+ return ret;
+ }
+ rtd->dev_registered = 1;
+
+ /* add DAPM sysfs entries for this codec */
+ ret = snd_soc_dapm_sys_add(&rtd->dev);
+ if (ret < 0)
+ dev_err(codec->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(codec->dev,
+ "asoc: failed to add codec sysfs files: %d\n", ret);
+
+ return 0;
+}
+
static int soc_probe_dai_link(struct snd_soc_card *card, int num)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
- const char *temp;
int ret;
dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num);
/* config components */
codec_dai->codec = codec;
- codec->card = card;
cpu_dai->platform = platform;
- rtd->card = card;
- rtd->dev.parent = card->dev;
codec_dai->card = card;
cpu_dai->card = card;
/* probe the CODEC */
if (!codec->probed) {
- codec->dapm.card = card;
- soc_set_name_prefix(card, codec);
- if (codec->driver->probe) {
- ret = codec->driver->probe(codec);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to probe CODEC %s\n",
- codec->name);
- return ret;
- }
- }
-
- soc_init_codec_debugfs(codec);
-
- /* mark codec as probed and add to card codec list */
- codec->probed = 1;
- list_add(&codec->card_list, &card->codec_dev_list);
+ ret = soc_probe_codec(card, codec);
+ if (ret < 0)
+ return ret;
}
/* probe the platform */
/* DAPM dai link stream work */
INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
- /* now that all clients have probed, initialise the DAI link */
- if (dai_link->init) {
- /* machine controls, routes and widgets are not prefixed */
- temp = rtd->codec->name_prefix;
- rtd->codec->name_prefix = NULL;
- ret = dai_link->init(rtd);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name);
- return ret;
- }
- rtd->codec->name_prefix = temp;
- }
-
- /* Make sure all DAPM widgets are instantiated */
- snd_soc_dapm_new_widgets(&codec->dapm);
- snd_soc_dapm_sync(&codec->dapm);
-
- /* register the rtd device */
- rtd->dev.release = rtd_release;
- rtd->dev.init_name = dai_link->name;
- ret = device_register(&rtd->dev);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register DAI runtime device %d\n", ret);
+ ret = soc_post_component_init(card, codec, num, 0);
+ if (ret)
return ret;
- }
- rtd->dev_registered = 1;
ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time);
if (ret < 0)
printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n");
- /* add DAPM sysfs entries for this codec */
- ret = snd_soc_dapm_sys_add(&rtd->dev);
- if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add codec dapm sysfs entries\n");
-
- /* add codec sysfs entries */
- ret = device_create_file(&rtd->dev, &dev_attr_codec_reg);
- if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
-
/* create the pcm */
ret = soc_new_pcm(rtd, num);
if (ret < 0) {
}
#endif
+static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
+ struct snd_soc_codec *codec;
+ int ret = -ENODEV;
+
+ /* find CODEC from registered CODECs*/
+ list_for_each_entry(codec, &codec_list, list) {
+ if (!strcmp(codec->name, aux_dev->codec_name)) {
+ if (codec->probed) {
+ dev_err(codec->dev,
+ "asoc: codec already probed");
+ ret = -EBUSY;
+ goto out;
+ }
+ goto found;
+ }
+ }
+ /* codec not found */
+ dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name);
+ goto out;
+
+found:
+ if (!try_module_get(codec->dev->driver->owner))
+ return -ENODEV;
+
+ ret = soc_probe_codec(card, codec);
+ if (ret < 0)
+ return ret;
+
+ ret = soc_post_component_init(card, codec, num, 1);
+
+out:
+ return ret;
+}
+
+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;
+
+ /* unregister the rtd device */
+ if (rtd->dev_registered) {
+ device_remove_file(&rtd->dev, &dev_attr_codec_reg);
+ device_unregister(&rtd->dev);
+ rtd->dev_registered = 0;
+ }
+
+ if (codec && codec->probed)
+ soc_remove_codec(codec);
+}
+
+static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
+ enum snd_soc_compress_type compress_type)
+{
+ 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, "Failed to set cache compression type: %d\n",
+ ret);
+ return ret;
+ }
+ codec->cache_init = 1;
+ return 0;
+}
+
static void snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct platform_device *pdev = to_platform_device(card->dev);
+ struct snd_soc_codec *codec;
+ struct snd_soc_codec_conf *codec_conf;
+ enum snd_soc_compress_type compress_type;
int ret, i;
mutex_lock(&card->mutex);
return;
}
+ /* initialize the register cache for each available codec */
+ list_for_each_entry(codec, &codec_list, list) {
+ if (codec->cache_init)
+ continue;
+ /* 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;
+ }
+ }
+ if (i == card->num_configs) {
+ /* no need to override the compress_type so
+ * go ahead and do the standard thing */
+ ret = snd_soc_init_codec_cache(codec, 0);
+ if (ret < 0) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
+ continue;
+ }
+ /* override the compress_type with the one supplied in
+ * the machine driver */
+ ret = snd_soc_init_codec_cache(codec, compress_type);
+ if (ret < 0) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
+ }
+
/* card bind complete so register a sound card */
ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
card->owner, 0, &card->snd_card);
}
}
+ for (i = 0; i < card->num_aux_devs; i++) {
+ ret = soc_probe_aux_dev(card, i);
+ if (ret < 0) {
+ pr_err("asoc: failed to add auxiliary devices %s: %d\n",
+ card->name, ret);
+ goto probe_aux_dev_err;
+ }
+ }
+
snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
"%s", card->name);
snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
ret = snd_card_register(card->snd_card);
if (ret < 0) {
printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name);
- goto probe_dai_err;
+ goto probe_aux_dev_err;
}
#ifdef CONFIG_SND_SOC_AC97_BUS
/* register any AC97 codecs */
for (i = 0; i < card->num_rtd; i++) {
- ret = soc_register_ac97_dai_link(&card->rtd[i]);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
- goto probe_dai_err;
- }
+ ret = soc_register_ac97_dai_link(&card->rtd[i]);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
+ while (--i >= 0)
+ soc_unregister_ac97_dai_link(&card->rtd[i]);
+ goto probe_aux_dev_err;
}
+ }
#endif
card->instantiated = 1;
mutex_unlock(&card->mutex);
return;
+probe_aux_dev_err:
+ for (i = 0; i < card->num_aux_devs; i++)
+ soc_remove_aux_dev(card, i);
+
probe_dai_err:
for (i = 0; i < card->num_links; i++)
soc_remove_dai_link(card, i);
/* make sure any delayed work runs */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
- run_delayed_work(&rtd->delayed_work);
+ flush_delayed_work_sync(&rtd->delayed_work);
}
+ /* remove auxiliary devices */
+ for (i = 0; i < card->num_aux_devs; i++)
+ soc_remove_aux_dev(card, i);
+
/* remove and free each DAI */
for (i = 0; i < card->num_rtd; i++)
soc_remove_dai_link(card, i);
* now, we're shutting down so no imminent restart. */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
- run_delayed_work(&rtd->delayed_work);
+ flush_delayed_work_sync(&rtd->delayed_work);
}
snd_soc_dapm_shutdown(card);
{
unsigned int ret;
- ret = codec->driver->read(codec, reg);
+ ret = codec->read(codec, reg);
dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
trace_snd_soc_reg_read(codec, reg, ret);
{
dev_dbg(codec->dev, "write %x = %x\n", reg, val);
trace_snd_soc_reg_write(codec, reg, val);
- return codec->driver->write(codec, reg, val);
+ return codec->write(codec, reg, val);
}
EXPORT_SYMBOL_GPL(snd_soc_write);
if (!card->name || !card->dev)
return -EINVAL;
- card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * card->num_links,
- GFP_KERNEL);
+ card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) *
+ (card->num_links + card->num_aux_devs),
+ GFP_KERNEL);
if (card->rtd == NULL)
return -ENOMEM;
+ card->rtd_aux = &card->rtd[card->num_links];
for (i = 0; i < card->num_links; i++)
card->rtd[i].dai_link = &card->dai_link[i];
* Simplify DAI link configuration by removing ".-1" from device names
* and sanitizing names.
*/
-static inline char *fmt_single_name(struct device *dev, int *id)
+static char *fmt_single_name(struct device *dev, int *id)
{
char *found, name[NAME_SIZE];
int id1, id2;
if (dev_name(dev) == NULL)
return NULL;
- strncpy(name, dev_name(dev), NAME_SIZE);
+ strlcpy(name, dev_name(dev), NAME_SIZE);
/* are we a "%s.%d" name (platform and SPI components) */
found = strstr(name, dev->driver->name);
/* sanitize component name for DAI link creation */
snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name);
- strncpy(name, tmp, NAME_SIZE);
+ strlcpy(name, tmp, NAME_SIZE);
} else
*id = 0;
}
pr_debug("Registered DAI '%s'\n", dai->name);
}
+ mutex_lock(&client_mutex);
snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
return 0;
err:
* @codec: codec to register
*/
int snd_soc_register_codec(struct device *dev,
- struct snd_soc_codec_driver *codec_drv,
- struct snd_soc_dai_driver *dai_drv, int num_dai)
+ const struct snd_soc_codec_driver *codec_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
{
+ size_t reg_size;
struct snd_soc_codec *codec;
int ret, i;
return -ENOMEM;
}
+ if (codec_drv->compress_type)
+ codec->compress_type = codec_drv->compress_type;
+ else
+ codec->compress_type = SND_SOC_FLAT_COMPRESSION;
+
INIT_LIST_HEAD(&codec->dapm.widgets);
INIT_LIST_HEAD(&codec->dapm.paths);
+ codec->write = codec_drv->write;
+ codec->read = codec_drv->read;
codec->dapm.bias_level = SND_SOC_BIAS_OFF;
codec->dapm.dev = dev;
codec->dapm.codec = codec;
/* allocate CODEC register cache */
if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
- ret = snd_soc_cache_init(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache compression type: %d\n",
- ret);
- goto error_cache;
+ reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_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 __devinitconst the
+ * kernel might have freed the array by the time we initialize
+ * the cache.
+ */
+ codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default,
+ reg_size, GFP_KERNEL);
+ if (!codec->reg_def_copy) {
+ ret = -ENOMEM;
+ goto fail;
}
}
if (num_dai) {
ret = snd_soc_register_dais(dev, dai_drv, num_dai);
if (ret < 0)
- goto error_dais;
+ goto fail;
}
mutex_lock(&client_mutex);
pr_debug("Registered codec '%s'\n", codec->name);
return 0;
-error_dais:
- snd_soc_cache_exit(codec);
-error_cache:
+fail:
+ kfree(codec->reg_def_copy);
+ codec->reg_def_copy = NULL;
kfree(codec->name);
kfree(codec);
return ret;
pr_debug("Unregistered codec '%s'\n", codec->name);
snd_soc_cache_exit(codec);
+ kfree(codec->reg_def_copy);
kfree(codec->name);
kfree(codec);
}
projects / mv-sheeva.git / blobdiff