static DEFINE_MUTEX(io_mutex);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *debugfs_root;
+#endif
+
+static DEFINE_MUTEX(client_mutex);
+static LIST_HEAD(card_list);
+static LIST_HEAD(dai_list);
+static LIST_HEAD(platform_list);
+static LIST_HEAD(codec_list);
+
+static int snd_soc_register_card(struct snd_soc_card *card);
+static int snd_soc_unregister_card(struct snd_soc_card *card);
+
/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
* It can be used to eliminate pops between different playback streams, e.g.
int err;
codec->ac97->dev.bus = &ac97_bus_type;
- codec->ac97->dev.parent = NULL;
+ codec->ac97->dev.parent = codec->card->dev;
codec->ac97->dev.release = soc_ac97_device_release;
- snprintf(codec->ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
- codec->card->number, 0, codec->name);
+ dev_set_name(&codec->ac97->dev, "%d-%d:%s",
+ codec->card->number, 0, codec->name);
err = device_register(&codec->ac97->dev);
if (err < 0) {
snd_printk(KERN_ERR "Can't register ac97 bus\n");
}
#endif
-static inline const char *get_dai_name(int type)
+static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
{
- switch (type) {
- case SND_SOC_DAI_AC97_BUS:
- case SND_SOC_DAI_AC97:
- return "AC97";
- case SND_SOC_DAI_I2S:
- return "I2S";
- case SND_SOC_DAI_PCM:
- return "PCM";
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_dai_link *machine = rtd->dai;
+ struct snd_soc_dai *cpu_dai = machine->cpu_dai;
+ struct snd_soc_dai *codec_dai = machine->codec_dai;
+ int ret;
+
+ if (codec_dai->symmetric_rates || cpu_dai->symmetric_rates ||
+ machine->symmetric_rates) {
+ dev_dbg(card->dev, "Symmetry forces %dHz rate\n",
+ machine->rate);
+
+ ret = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ machine->rate,
+ machine->rate);
+ if (ret < 0) {
+ dev_err(card->dev,
+ "Unable to apply rate symmetry constraint: %d\n", ret);
+ return ret;
+ }
}
- return NULL;
+
+ return 0;
}
/*
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_card *card = socdev->card;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
int ret = 0;
mutex_lock(&pcm_mutex);
/* startup the audio subsystem */
- if (cpu_dai->ops.startup) {
- ret = cpu_dai->ops.startup(substream);
+ if (cpu_dai->ops->startup) {
+ ret = cpu_dai->ops->startup(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open interface %s\n",
cpu_dai->name);
}
}
- if (codec_dai->ops.startup) {
- ret = codec_dai->ops.startup(substream);
+ if (codec_dai->ops->startup) {
+ ret = codec_dai->ops->startup(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open codec %s\n",
codec_dai->name);
goto machine_err;
}
+ /* Symmetry only applies if we've already got an active stream. */
+ if (cpu_dai->active || codec_dai->active) {
+ ret = soc_pcm_apply_symmetry(substream);
+ if (ret != 0)
+ goto machine_err;
+ }
+
pr_debug("asoc: %s <-> %s info:\n", codec_dai->name, cpu_dai->name);
pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates);
pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
cpu_dai->capture.active = codec_dai->capture.active = 1;
cpu_dai->active = codec_dai->active = 1;
cpu_dai->runtime = runtime;
- socdev->codec->active++;
+ card->codec->active++;
mutex_unlock(&pcm_mutex);
return 0;
platform->pcm_ops->close(substream);
platform_err:
- if (cpu_dai->ops.shutdown)
- cpu_dai->ops.shutdown(substream);
+ if (cpu_dai->ops->shutdown)
+ cpu_dai->ops->shutdown(substream, cpu_dai);
out:
mutex_unlock(&pcm_mutex);
return ret;
*/
static void close_delayed_work(struct work_struct *work)
{
- struct snd_soc_device *socdev =
- container_of(work, struct snd_soc_device, delayed_work.work);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_card *card = container_of(work, struct snd_soc_card,
+ delayed_work.work);
+ struct snd_soc_codec *codec = card->codec;
struct snd_soc_dai *codec_dai;
int i;
/* are we waiting on this codec DAI stream */
if (codec_dai->pop_wait == 1) {
-
- /* Reduce power if no longer active */
- if (codec->active == 0) {
- pr_debug("pop wq D1 %s %s\n", codec->name,
- codec_dai->playback.stream_name);
- snd_soc_dapm_set_bias_level(socdev,
- SND_SOC_BIAS_PREPARE);
- }
-
codec_dai->pop_wait = 0;
snd_soc_dapm_stream_event(codec,
codec_dai->playback.stream_name,
SND_SOC_DAPM_STREAM_STOP);
-
- /* Fall into standby if no longer active */
- if (codec->active == 0) {
- pr_debug("pop wq D3 %s %s\n", codec->name,
- codec_dai->playback.stream_name);
- snd_soc_dapm_set_bias_level(socdev,
- SND_SOC_BIAS_STANDBY);
- }
}
}
mutex_unlock(&pcm_mutex);
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_card *card = socdev->card;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
snd_soc_dai_digital_mute(codec_dai, 1);
- if (cpu_dai->ops.shutdown)
- cpu_dai->ops.shutdown(substream);
+ if (cpu_dai->ops->shutdown)
+ cpu_dai->ops->shutdown(substream, cpu_dai);
- if (codec_dai->ops.shutdown)
- codec_dai->ops.shutdown(substream);
+ if (codec_dai->ops->shutdown)
+ codec_dai->ops->shutdown(substream, codec_dai);
if (machine->ops && machine->ops->shutdown)
machine->ops->shutdown(substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* start delayed pop wq here for playback streams */
codec_dai->pop_wait = 1;
- schedule_delayed_work(&socdev->delayed_work,
+ schedule_delayed_work(&card->delayed_work,
msecs_to_jiffies(pmdown_time));
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(codec,
codec_dai->capture.stream_name,
SND_SOC_DAPM_STREAM_STOP);
-
- if (codec->active == 0 && codec_dai->pop_wait == 0)
- snd_soc_dapm_set_bias_level(socdev,
- SND_SOC_BIAS_STANDBY);
}
mutex_unlock(&pcm_mutex);
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_card *card = socdev->card;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0;
mutex_lock(&pcm_mutex);
}
}
- if (codec_dai->ops.prepare) {
- ret = codec_dai->ops.prepare(substream);
+ if (codec_dai->ops->prepare) {
+ ret = codec_dai->ops->prepare(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: codec DAI prepare error\n");
goto out;
}
}
- if (cpu_dai->ops.prepare) {
- ret = cpu_dai->ops.prepare(substream);
+ if (cpu_dai->ops->prepare) {
+ ret = cpu_dai->ops->prepare(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: cpu DAI prepare error\n");
goto out;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
codec_dai->pop_wait) {
codec_dai->pop_wait = 0;
- cancel_delayed_work(&socdev->delayed_work);
+ cancel_delayed_work(&card->delayed_work);
}
- /* do we need to power up codec */
- if (codec->bias_level != SND_SOC_BIAS_ON) {
- snd_soc_dapm_set_bias_level(socdev,
- SND_SOC_BIAS_PREPARE);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dapm_stream_event(codec,
- codec_dai->playback.stream_name,
- SND_SOC_DAPM_STREAM_START);
- else
- snd_soc_dapm_stream_event(codec,
- codec_dai->capture.stream_name,
- SND_SOC_DAPM_STREAM_START);
-
- snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_ON);
- snd_soc_dai_digital_mute(codec_dai, 0);
-
- } else {
- /* codec already powered - power on widgets */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dapm_stream_event(codec,
- codec_dai->playback.stream_name,
- SND_SOC_DAPM_STREAM_START);
- else
- snd_soc_dapm_stream_event(codec,
- codec_dai->capture.stream_name,
- SND_SOC_DAPM_STREAM_START);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dapm_stream_event(codec,
+ codec_dai->playback.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ else
+ snd_soc_dapm_stream_event(codec,
+ codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_START);
- snd_soc_dai_digital_mute(codec_dai, 0);
- }
+ snd_soc_dai_digital_mute(codec_dai, 0);
out:
mutex_unlock(&pcm_mutex);
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
int ret = 0;
}
}
- if (codec_dai->ops.hw_params) {
- ret = codec_dai->ops.hw_params(substream, params);
+ if (codec_dai->ops->hw_params) {
+ ret = codec_dai->ops->hw_params(substream, params, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't set codec %s hw params\n",
codec_dai->name);
}
}
- if (cpu_dai->ops.hw_params) {
- ret = cpu_dai->ops.hw_params(substream, params);
+ if (cpu_dai->ops->hw_params) {
+ ret = cpu_dai->ops->hw_params(substream, params, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: interface %s hw params failed\n",
cpu_dai->name);
}
}
+ machine->rate = params_rate(params);
+
out:
mutex_unlock(&pcm_mutex);
return ret;
platform_err:
- if (cpu_dai->ops.hw_free)
- cpu_dai->ops.hw_free(substream);
+ if (cpu_dai->ops->hw_free)
+ cpu_dai->ops->hw_free(substream, cpu_dai);
interface_err:
- if (codec_dai->ops.hw_free)
- codec_dai->ops.hw_free(substream);
+ if (codec_dai->ops->hw_free)
+ codec_dai->ops->hw_free(substream, codec_dai);
codec_err:
if (machine->ops && machine->ops->hw_free)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
platform->pcm_ops->hw_free(substream);
/* now free hw params for the DAI's */
- if (codec_dai->ops.hw_free)
- codec_dai->ops.hw_free(substream);
+ if (codec_dai->ops->hw_free)
+ codec_dai->ops->hw_free(substream, codec_dai);
- if (cpu_dai->ops.hw_free)
- cpu_dai->ops.hw_free(substream);
+ if (cpu_dai->ops->hw_free)
+ cpu_dai->ops->hw_free(substream, cpu_dai);
mutex_unlock(&pcm_mutex);
return 0;
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_card *card= socdev->card;
struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
int ret;
- if (codec_dai->ops.trigger) {
- ret = codec_dai->ops.trigger(substream, cmd);
+ if (codec_dai->ops->trigger) {
+ ret = codec_dai->ops->trigger(substream, cmd, codec_dai);
if (ret < 0)
return ret;
}
return ret;
}
- if (cpu_dai->ops.trigger) {
- ret = cpu_dai->ops.trigger(substream, cmd);
+ if (cpu_dai->ops->trigger) {
+ ret = cpu_dai->ops->trigger(substream, cmd, cpu_dai);
if (ret < 0)
return ret;
}
static int soc_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_machine *machine = socdev->machine;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int i;
+ /* If the initialization of this soc device failed, there is no codec
+ * associated with it. Just bail out in this case.
+ */
+ if (!codec)
+ return 0;
+
/* Due to the resume being scheduled into a workqueue we could
* suspend before that's finished - wait for it to complete.
*/
snd_power_change_state(codec->card, SNDRV_CTL_POWER_D3hot);
/* mute any active DAC's */
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *dai = machine->dai_link[i].codec_dai;
- if (dai->dai_ops.digital_mute && dai->playback.active)
- dai->dai_ops.digital_mute(dai, 1);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+ if (dai->ops->digital_mute && dai->playback.active)
+ dai->ops->digital_mute(dai, 1);
}
/* suspend all pcms */
- for (i = 0; i < machine->num_links; i++)
- snd_pcm_suspend_all(machine->dai_link[i].pcm);
+ for (i = 0; i < card->num_links; i++)
+ snd_pcm_suspend_all(card->dai_link[i].pcm);
- if (machine->suspend_pre)
- machine->suspend_pre(pdev, state);
+ if (card->suspend_pre)
+ card->suspend_pre(pdev, state);
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
- if (cpu_dai->suspend && cpu_dai->type != SND_SOC_DAI_AC97)
- cpu_dai->suspend(pdev, cpu_dai);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ if (cpu_dai->suspend && !cpu_dai->ac97_control)
+ cpu_dai->suspend(cpu_dai);
if (platform->suspend)
- platform->suspend(pdev, cpu_dai);
+ platform->suspend(cpu_dai);
}
/* close any waiting streams and save state */
- run_delayed_work(&socdev->delayed_work);
+ run_delayed_work(&card->delayed_work);
codec->suspend_bias_level = codec->bias_level;
for (i = 0; i < codec->num_dai; i++) {
if (codec_dev->suspend)
codec_dev->suspend(pdev, state);
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
- if (cpu_dai->suspend && cpu_dai->type == SND_SOC_DAI_AC97)
- cpu_dai->suspend(pdev, cpu_dai);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ if (cpu_dai->suspend && cpu_dai->ac97_control)
+ cpu_dai->suspend(cpu_dai);
}
- if (machine->suspend_post)
- machine->suspend_post(pdev, state);
+ if (card->suspend_post)
+ card->suspend_post(pdev, state);
return 0;
}
*/
static void soc_resume_deferred(struct work_struct *work)
{
- struct snd_soc_device *socdev = container_of(work,
- struct snd_soc_device,
- deferred_resume_work);
- struct snd_soc_machine *machine = socdev->machine;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_card *card = container_of(work,
+ struct snd_soc_card,
+ deferred_resume_work);
+ struct snd_soc_device *socdev = card->socdev;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
struct platform_device *pdev = to_platform_device(socdev->dev);
int i;
* so userspace apps are blocked from touching us
*/
- dev_info(socdev->dev, "starting resume work\n");
+ dev_dbg(socdev->dev, "starting resume work\n");
- if (machine->resume_pre)
- machine->resume_pre(pdev);
+ if (card->resume_pre)
+ card->resume_pre(pdev);
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
- if (cpu_dai->resume && cpu_dai->type == SND_SOC_DAI_AC97)
- cpu_dai->resume(pdev, cpu_dai);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ if (cpu_dai->resume && cpu_dai->ac97_control)
+ cpu_dai->resume(cpu_dai);
}
if (codec_dev->resume)
}
/* unmute any active DACs */
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *dai = machine->dai_link[i].codec_dai;
- if (dai->dai_ops.digital_mute && dai->playback.active)
- dai->dai_ops.digital_mute(dai, 0);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+ if (dai->ops->digital_mute && dai->playback.active)
+ dai->ops->digital_mute(dai, 0);
}
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
- if (cpu_dai->resume && cpu_dai->type != SND_SOC_DAI_AC97)
- cpu_dai->resume(pdev, cpu_dai);
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ if (cpu_dai->resume && !cpu_dai->ac97_control)
+ cpu_dai->resume(cpu_dai);
if (platform->resume)
- platform->resume(pdev, cpu_dai);
+ platform->resume(cpu_dai);
}
- if (machine->resume_post)
- machine->resume_post(pdev);
+ if (card->resume_post)
+ card->resume_post(pdev);
- dev_info(socdev->dev, "resume work completed\n");
+ dev_dbg(socdev->dev, "resume work completed\n");
/* userspace can access us now we are back as we were before */
snd_power_change_state(codec->card, SNDRV_CTL_POWER_D0);
static int soc_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_dai *cpu_dai = card->dai_link[0].cpu_dai;
- dev_info(socdev->dev, "scheduling resume work\n");
-
- if (!schedule_work(&socdev->deferred_resume_work))
- dev_err(socdev->dev, "work item may be lost\n");
+ /* 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
+ * due to I/O costs and anti-pop so handle them out of line.
+ */
+ if (cpu_dai->ac97_control) {
+ dev_dbg(socdev->dev, "Resuming AC97 immediately\n");
+ soc_resume_deferred(&card->deferred_resume_work);
+ } else {
+ dev_dbg(socdev->dev, "Scheduling resume work\n");
+ if (!schedule_work(&card->deferred_resume_work))
+ dev_err(socdev->dev, "resume work item may be lost\n");
+ }
return 0;
}
#define soc_resume NULL
#endif
-/* probes a new socdev */
-static int soc_probe(struct platform_device *pdev)
+static void snd_soc_instantiate_card(struct snd_soc_card *card)
{
- int ret = 0, i;
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_machine *machine = socdev->machine;
- struct snd_soc_platform *platform = socdev->platform;
- struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
+ struct platform_device *pdev = container_of(card->dev,
+ struct platform_device,
+ dev);
+ struct snd_soc_codec_device *codec_dev = card->socdev->codec_dev;
+ struct snd_soc_platform *platform;
+ struct snd_soc_dai *dai;
+ int i, found, ret, ac97;
+
+ if (card->instantiated)
+ return;
+
+ found = 0;
+ list_for_each_entry(platform, &platform_list, list)
+ if (card->platform == platform) {
+ found = 1;
+ break;
+ }
+ if (!found) {
+ dev_dbg(card->dev, "Platform %s not registered\n",
+ card->platform->name);
+ return;
+ }
+
+ ac97 = 0;
+ for (i = 0; i < card->num_links; i++) {
+ found = 0;
+ list_for_each_entry(dai, &dai_list, list)
+ if (card->dai_link[i].cpu_dai == dai) {
+ found = 1;
+ break;
+ }
+ if (!found) {
+ dev_dbg(card->dev, "DAI %s not registered\n",
+ card->dai_link[i].cpu_dai->name);
+ return;
+ }
+
+ if (card->dai_link[i].cpu_dai->ac97_control)
+ ac97 = 1;
+ }
+
+ /* If we have AC97 in the system then don't wait for the
+ * codec. This will need revisiting if we have to handle
+ * systems with mixed AC97 and non-AC97 parts. Only check for
+ * DAIs currently; we can't do this per link since some AC97
+ * codecs have non-AC97 DAIs.
+ */
+ if (!ac97)
+ for (i = 0; i < card->num_links; i++) {
+ found = 0;
+ list_for_each_entry(dai, &dai_list, list)
+ if (card->dai_link[i].codec_dai == dai) {
+ found = 1;
+ break;
+ }
+ if (!found) {
+ dev_dbg(card->dev, "DAI %s not registered\n",
+ card->dai_link[i].codec_dai->name);
+ return;
+ }
+ }
+
+ /* Note that we do not current check for codec components */
+
+ dev_dbg(card->dev, "All components present, instantiating\n");
- if (machine->probe) {
- ret = machine->probe(pdev);
+ /* Found everything, bring it up */
+ if (card->probe) {
+ ret = card->probe(pdev);
if (ret < 0)
- return ret;
+ return;
}
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
if (cpu_dai->probe) {
ret = cpu_dai->probe(pdev, cpu_dai);
if (ret < 0)
}
/* DAPM stream work */
- INIT_DELAYED_WORK(&socdev->delayed_work, close_delayed_work);
+ INIT_DELAYED_WORK(&card->delayed_work, close_delayed_work);
#ifdef CONFIG_PM
/* deferred resume work */
- INIT_WORK(&socdev->deferred_resume_work, soc_resume_deferred);
+ INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
#endif
- return 0;
+ card->instantiated = 1;
+
+ return;
platform_err:
if (codec_dev->remove)
cpu_dai_err:
for (i--; i >= 0; i--) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
if (cpu_dai->remove)
cpu_dai->remove(pdev, cpu_dai);
}
- if (machine->remove)
- machine->remove(pdev);
+ if (card->remove)
+ card->remove(pdev);
+}
- return ret;
+/*
+ * Attempt to initialise any uninitalised cards. Must be called with
+ * client_mutex.
+ */
+static void snd_soc_instantiate_cards(void)
+{
+ struct snd_soc_card *card;
+ list_for_each_entry(card, &card_list, list)
+ snd_soc_instantiate_card(card);
+}
+
+/* probes a new socdev */
+static int soc_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_card *card = socdev->card;
+
+ /* Bodge while we push things out of socdev */
+ card->socdev = socdev;
+
+ /* Bodge while we unpick instantiation */
+ card->dev = &pdev->dev;
+ ret = snd_soc_register_card(card);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to register card\n");
+ return ret;
+ }
+
+ return 0;
}
/* removes a socdev */
{
int i;
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_machine *machine = socdev->machine;
- struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- run_delayed_work(&socdev->delayed_work);
+ if (!card->instantiated)
+ return 0;
+
+ run_delayed_work(&card->delayed_work);
if (platform->remove)
platform->remove(pdev);
if (codec_dev->remove)
codec_dev->remove(pdev);
- for (i = 0; i < machine->num_links; i++) {
- struct snd_soc_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
if (cpu_dai->remove)
cpu_dai->remove(pdev, cpu_dai);
}
- if (machine->remove)
- machine->remove(pdev);
+ if (card->remove)
+ card->remove(pdev);
+
+ snd_soc_unregister_card(card);
return 0;
}
static int soc_new_pcm(struct snd_soc_device *socdev,
struct snd_soc_dai_link *dai_link, int num)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *codec_dai = dai_link->codec_dai;
struct snd_soc_dai *cpu_dai = dai_link->cpu_dai;
struct snd_soc_pcm_runtime *rtd;
rtd->dai = dai_link;
rtd->socdev = socdev;
- codec_dai->codec = socdev->codec;
+ codec_dai->codec = card->codec;
/* check client and interface hw capabilities */
- sprintf(new_name, "%s %s-%s-%d", dai_link->stream_name, codec_dai->name,
- get_dai_name(cpu_dai->type), num);
+ sprintf(new_name, "%s %s-%d", dai_link->stream_name, codec_dai->name,
+ num);
if (codec_dai->playback.channels_min)
playback = 1;
dai_link->pcm = pcm;
pcm->private_data = rtd;
- soc_pcm_ops.mmap = socdev->platform->pcm_ops->mmap;
- soc_pcm_ops.pointer = socdev->platform->pcm_ops->pointer;
- soc_pcm_ops.ioctl = socdev->platform->pcm_ops->ioctl;
- soc_pcm_ops.copy = socdev->platform->pcm_ops->copy;
- soc_pcm_ops.silence = socdev->platform->pcm_ops->silence;
- soc_pcm_ops.ack = socdev->platform->pcm_ops->ack;
- soc_pcm_ops.page = socdev->platform->pcm_ops->page;
+ soc_pcm_ops.mmap = platform->pcm_ops->mmap;
+ soc_pcm_ops.pointer = platform->pcm_ops->pointer;
+ soc_pcm_ops.ioctl = platform->pcm_ops->ioctl;
+ soc_pcm_ops.copy = platform->pcm_ops->copy;
+ soc_pcm_ops.silence = platform->pcm_ops->silence;
+ soc_pcm_ops.ack = platform->pcm_ops->ack;
+ soc_pcm_ops.page = platform->pcm_ops->page;
if (playback)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops);
if (capture)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops);
- ret = socdev->platform->pcm_new(codec->card, codec_dai, pcm);
+ ret = platform->pcm_new(codec->card, codec_dai, pcm);
if (ret < 0) {
printk(KERN_ERR "asoc: platform pcm constructor failed\n");
kfree(rtd);
return ret;
}
- pcm->private_free = socdev->platform->pcm_free;
+ pcm->private_free = platform->pcm_free;
printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
cpu_dai->name);
return ret;
}
/* codec register dump */
-static ssize_t soc_codec_reg_show(struct snd_soc_device *devdata, char *buf)
+static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
{
- struct snd_soc_codec *codec = devdata->codec;
int i, step = 1, count = 0;
if (!codec->reg_cache_size)
struct device_attribute *attr, char *buf)
{
struct snd_soc_device *devdata = dev_get_drvdata(dev);
- return soc_codec_reg_show(devdata, buf);
+ return soc_codec_reg_show(devdata->card->codec, buf);
}
static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
size_t count, loff_t *ppos)
{
ssize_t ret;
- struct snd_soc_device *devdata = file->private_data;
+ struct snd_soc_codec *codec = file->private_data;
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- ret = soc_codec_reg_show(devdata, buf);
+ ret = soc_codec_reg_show(codec, buf);
if (ret >= 0)
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
char *start = buf;
unsigned long reg, value;
int step = 1;
- struct snd_soc_device *devdata = file->private_data;
- struct snd_soc_codec *codec = devdata->codec;
+ struct snd_soc_codec *codec = file->private_data;
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
.write = codec_reg_write_file,
};
-static void soc_init_debugfs(struct snd_soc_device *socdev)
+static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
- struct dentry *root, *file;
- struct snd_soc_codec *codec = socdev->codec;
- root = debugfs_create_dir(dev_name(socdev->dev), NULL);
- if (IS_ERR(root) || !root)
- goto exit1;
-
- file = debugfs_create_file("codec_reg", 0644,
- root, socdev, &codec_reg_fops);
- if (!file)
- goto exit2;
-
- file = debugfs_create_u32("dapm_pop_time", 0744,
- root, &codec->pop_time);
- if (!file)
- goto exit2;
- socdev->debugfs_root = root;
- return;
-exit2:
- debugfs_remove_recursive(root);
-exit1:
- dev_err(socdev->dev, "debugfs is not available\n");
+ codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
+ debugfs_root, codec,
+ &codec_reg_fops);
+ if (!codec->debugfs_reg)
+ printk(KERN_WARNING
+ "ASoC: Failed to create codec register debugfs file\n");
+
+ codec->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0744,
+ debugfs_root,
+ &codec->pop_time);
+ if (!codec->debugfs_pop_time)
+ printk(KERN_WARNING
+ "Failed to create pop time debugfs file\n");
}
-static void soc_cleanup_debugfs(struct snd_soc_device *socdev)
+static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
- debugfs_remove_recursive(socdev->debugfs_root);
- socdev->debugfs_root = NULL;
+ debugfs_remove(codec->debugfs_pop_time);
+ debugfs_remove(codec->debugfs_reg);
}
#else
-static inline void soc_init_debugfs(struct snd_soc_device *socdev)
+static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
}
-static inline void soc_cleanup_debugfs(struct snd_soc_device *socdev)
+static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
}
#endif
/**
* snd_soc_new_pcms - create new sound card and pcms
* @socdev: the SoC audio device
+ * @idx: ALSA card index
+ * @xid: card identification
*
* Create a new sound card based upon the codec and interface pcms.
*
*/
int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid)
{
- struct snd_soc_codec *codec = socdev->codec;
- struct snd_soc_machine *machine = socdev->machine;
- int ret = 0, i;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
+ int ret, i;
mutex_lock(&codec->mutex);
/* register a sound card */
- codec->card = snd_card_new(idx, xid, codec->owner, 0);
- if (!codec->card) {
+ ret = snd_card_create(idx, xid, codec->owner, 0, &codec->card);
+ if (ret < 0) {
printk(KERN_ERR "asoc: can't create sound card for codec %s\n",
codec->name);
mutex_unlock(&codec->mutex);
- return -ENODEV;
+ return ret;
}
+ codec->socdev = socdev;
codec->card->dev = socdev->dev;
codec->card->private_data = codec;
strncpy(codec->card->driver, codec->name, sizeof(codec->card->driver));
/* create the pcms */
- for (i = 0; i < machine->num_links; i++) {
- ret = soc_new_pcm(socdev, &machine->dai_link[i], i);
+ for (i = 0; i < card->num_links; i++) {
+ ret = soc_new_pcm(socdev, &card->dai_link[i], i);
if (ret < 0) {
printk(KERN_ERR "asoc: can't create pcm %s\n",
- machine->dai_link[i].stream_name);
+ card->dai_link[i].stream_name);
mutex_unlock(&codec->mutex);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
/**
- * snd_soc_register_card - register sound card
+ * snd_soc_init_card - register sound card
* @socdev: the SoC audio device
*
* Register a SoC sound card. Also registers an AC97 device if the
*
* Returns 0 for success, else error.
*/
-int snd_soc_register_card(struct snd_soc_device *socdev)
+int snd_soc_init_card(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
- struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0, i, ac97 = 0, err = 0;
- for (i = 0; i < machine->num_links; i++) {
- if (socdev->machine->dai_link[i].init) {
- err = socdev->machine->dai_link[i].init(codec);
+ for (i = 0; i < card->num_links; i++) {
+ if (card->dai_link[i].init) {
+ err = card->dai_link[i].init(codec);
if (err < 0) {
printk(KERN_ERR "asoc: failed to init %s\n",
- socdev->machine->dai_link[i].stream_name);
+ card->dai_link[i].stream_name);
continue;
}
}
- if (socdev->machine->dai_link[i].codec_dai->type ==
- SND_SOC_DAI_AC97_BUS)
+ if (card->dai_link[i].codec_dai->ac97_control)
ac97 = 1;
}
snprintf(codec->card->shortname, sizeof(codec->card->shortname),
- "%s", machine->name);
+ "%s", card->name);
snprintf(codec->card->longname, sizeof(codec->card->longname),
- "%s (%s)", machine->name, codec->name);
+ "%s (%s)", card->name, codec->name);
+
+ /* Make sure all DAPM widgets are instantiated */
+ snd_soc_dapm_new_widgets(codec);
ret = snd_card_register(codec->card);
if (ret < 0) {
mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
- if (ac97) {
+ /* Only instantiate AC97 if not already done by the adaptor
+ * for the generic AC97 subsystem.
+ */
+ if (ac97 && strcmp(codec->name, "AC97") != 0) {
ret = soc_ac97_dev_register(codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
- soc_init_debugfs(socdev);
+ soc_init_codec_debugfs(codec);
mutex_unlock(&codec->mutex);
out:
return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_card);
+EXPORT_SYMBOL_GPL(snd_soc_init_card);
/**
* snd_soc_free_pcms - free sound card and pcms
*/
void snd_soc_free_pcms(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
#ifdef CONFIG_SND_SOC_AC97_BUS
struct snd_soc_dai *codec_dai;
int i;
#endif
mutex_lock(&codec->mutex);
- soc_cleanup_debugfs(socdev);
+ soc_cleanup_codec_debugfs(codec);
#ifdef CONFIG_SND_SOC_AC97_BUS
for (i = 0; i < codec->num_dai; i++) {
codec_dai = &codec->dai[i];
- if (codec_dai->type == SND_SOC_DAI_AC97_BUS && codec->ac97) {
+ if (codec_dai->ac97_control && codec->ac97 &&
+ strcmp(codec->name, "AC97") != 0) {
soc_ac97_dev_unregister(codec);
goto free_card;
}
* snd_soc_cnew - create new control
* @_template: control template
* @data: control private data
- * @lnng_name: control long name
+ * @long_name: control long name
*
* Create a new mixer control from a template control.
*
EXPORT_SYMBOL_GPL(snd_soc_cnew);
/**
+ * snd_soc_add_controls - add an array of controls to a codec.
+ * Convienience function to add a list of controls. Many codecs were
+ * duplicating this code.
+ *
+ * @codec: codec to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_controls(struct snd_soc_codec *codec,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = codec->card;
+ int err, i;
+
+ for (i = 0; i < num_controls; i++) {
+ const struct snd_kcontrol_new *control = &controls[i];
+ err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
+ if (err < 0) {
+ dev_err(codec->dev, "%s: Failed to add %s\n",
+ codec->name, control->name);
+ return err;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_controls);
+
+/**
* snd_soc_info_enum_double - enumerated double mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
/**
* snd_soc_get_enum_double - enumerated double mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a double enumerated mixer.
*
/**
* snd_soc_put_enum_double - enumerated double mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a double enumerated mixer.
*
EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
/**
+ * snd_soc_get_value_enum_double - semi enumerated double mixer get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a double semi enumerated mixer.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short reg_val, val, mux;
+
+ reg_val = snd_soc_read(codec, e->reg);
+ val = (reg_val >> e->shift_l) & e->mask;
+ for (mux = 0; mux < e->max; mux++) {
+ if (val == e->values[mux])
+ break;
+ }
+ ucontrol->value.enumerated.item[0] = mux;
+ if (e->shift_l != e->shift_r) {
+ val = (reg_val >> e->shift_r) & e->mask;
+ for (mux = 0; mux < e->max; mux++) {
+ if (val == e->values[mux])
+ break;
+ }
+ ucontrol->value.enumerated.item[1] = mux;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double);
+
+/**
+ * snd_soc_put_value_enum_double - semi enumerated double mixer put callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a double semi enumerated mixer.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val;
+ unsigned short mask;
+
+ if (ucontrol->value.enumerated.item[0] > e->max - 1)
+ return -EINVAL;
+ val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
+ mask = e->mask << e->shift_l;
+ if (e->shift_l != e->shift_r) {
+ if (ucontrol->value.enumerated.item[1] > e->max - 1)
+ return -EINVAL;
+ val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
+ mask |= e->mask << e->shift_r;
+ }
+
+ return snd_soc_update_bits(codec, e->reg, mask, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
+
+/**
* snd_soc_info_enum_ext - external enumerated single mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
{
int max = kcontrol->private_value;
- if (max == 1)
+ if (max == 1 && !strstr(kcontrol->id.name, " Volume"))
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
- if (max == 1)
+ if (max == 1 && !strstr(kcontrol->id.name, " Volume"))
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
/**
* snd_soc_get_volsw - single mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a single mixer control.
*
/**
* snd_soc_put_volsw - single mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a single mixer control.
*
(struct soc_mixer_control *)kcontrol->private_value;
int max = mc->max;
- if (max == 1)
+ if (max == 1 && !strstr(kcontrol->id.name, " Volume"))
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
/**
* snd_soc_get_volsw_2r - double mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a double mixer control that spans 2 registers.
*
/**
* snd_soc_put_volsw_2r - double mixer set callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a double mixer control that spans 2 registers.
*
/**
* snd_soc_get_volsw_s8 - signed mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a signed mixer control.
*
/**
* snd_soc_put_volsw_sgn - signed mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a signed mixer control.
*
int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
- if (dai->dai_ops.set_sysclk)
- return dai->dai_ops.set_sysclk(dai, clk_id, freq, dir);
+ if (dai->ops && dai->ops->set_sysclk)
+ return dai->ops->set_sysclk(dai, clk_id, freq, dir);
else
return -EINVAL;
}
/**
* snd_soc_dai_set_clkdiv - configure DAI clock dividers.
* @dai: DAI
- * @clk_id: DAI specific clock divider ID
+ * @div_id: DAI specific clock divider ID
* @div: new clock divisor.
*
* Configures the clock dividers. This is used to derive the best DAI bit and
int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
int div_id, int div)
{
- if (dai->dai_ops.set_clkdiv)
- return dai->dai_ops.set_clkdiv(dai, div_id, div);
+ if (dai->ops && dai->ops->set_clkdiv)
+ return dai->ops->set_clkdiv(dai, div_id, div);
else
return -EINVAL;
}
int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
int pll_id, unsigned int freq_in, unsigned int freq_out)
{
- if (dai->dai_ops.set_pll)
- return dai->dai_ops.set_pll(dai, pll_id, freq_in, freq_out);
+ if (dai->ops && dai->ops->set_pll)
+ return dai->ops->set_pll(dai, pll_id, freq_in, freq_out);
else
return -EINVAL;
}
/**
* snd_soc_dai_set_fmt - configure DAI hardware audio format.
* @dai: DAI
- * @clk_id: DAI specific clock ID
* @fmt: SND_SOC_DAIFMT_ format value.
*
* Configures the DAI hardware format and clocking.
*/
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- if (dai->dai_ops.set_fmt)
- return dai->dai_ops.set_fmt(dai, fmt);
+ if (dai->ops && dai->ops->set_fmt)
+ return dai->ops->set_fmt(dai, fmt);
else
return -EINVAL;
}
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int mask, int slots)
{
- if (dai->dai_ops.set_sysclk)
- return dai->dai_ops.set_tdm_slot(dai, mask, slots);
+ if (dai->ops && dai->ops->set_tdm_slot)
+ return dai->ops->set_tdm_slot(dai, mask, slots);
else
return -EINVAL;
}
*/
int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
{
- if (dai->dai_ops.set_sysclk)
- return dai->dai_ops.set_tristate(dai, tristate);
+ if (dai->ops && dai->ops->set_tristate)
+ return dai->ops->set_tristate(dai, tristate);
else
return -EINVAL;
}
*/
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute)
{
- if (dai->dai_ops.digital_mute)
- return dai->dai_ops.digital_mute(dai, mute);
+ if (dai->ops && dai->ops->digital_mute)
+ return dai->ops->digital_mute(dai, mute);
else
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
-static int __devinit snd_soc_init(void)
+/**
+ * snd_soc_register_card - Register a card with the ASoC core
+ *
+ * @card: Card to register
+ *
+ * Note that currently this is an internal only function: it will be
+ * exposed to machine drivers after further backporting of ASoC v2
+ * registration APIs.
+ */
+static int snd_soc_register_card(struct snd_soc_card *card)
+{
+ if (!card->name || !card->dev)
+ return -EINVAL;
+
+ INIT_LIST_HEAD(&card->list);
+ card->instantiated = 0;
+
+ mutex_lock(&client_mutex);
+ list_add(&card->list, &card_list);
+ snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(card->dev, "Registered card '%s'\n", card->name);
+
+ return 0;
+}
+
+/**
+ * snd_soc_unregister_card - Unregister a card with the ASoC core
+ *
+ * @card: Card to unregister
+ *
+ * Note that currently this is an internal only function: it will be
+ * exposed to machine drivers after further backporting of ASoC v2
+ * registration APIs.
+ */
+static int snd_soc_unregister_card(struct snd_soc_card *card)
+{
+ mutex_lock(&client_mutex);
+ list_del(&card->list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(card->dev, "Unregistered card '%s'\n", card->name);
+
+ return 0;
+}
+
+static struct snd_soc_dai_ops null_dai_ops = {
+};
+
+/**
+ * snd_soc_register_dai - Register a DAI with the ASoC core
+ *
+ * @dai: DAI to register
+ */
+int snd_soc_register_dai(struct snd_soc_dai *dai)
+{
+ if (!dai->name)
+ return -EINVAL;
+
+ /* The device should become mandatory over time */
+ if (!dai->dev)
+ printk(KERN_WARNING "No device for DAI %s\n", dai->name);
+
+ if (!dai->ops)
+ dai->ops = &null_dai_ops;
+
+ INIT_LIST_HEAD(&dai->list);
+
+ mutex_lock(&client_mutex);
+ list_add(&dai->list, &dai_list);
+ snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Registered DAI '%s'\n", dai->name);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_dai);
+
+/**
+ * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
+ *
+ * @dai: DAI to unregister
+ */
+void snd_soc_unregister_dai(struct snd_soc_dai *dai)
+{
+ mutex_lock(&client_mutex);
+ list_del(&dai->list);
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Unregistered DAI '%s'\n", dai->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
+
+/**
+ * snd_soc_register_dais - Register multiple DAIs with the ASoC core
+ *
+ * @dai: Array of DAIs to register
+ * @count: Number of DAIs
+ */
+int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
+{
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ ret = snd_soc_register_dai(&dai[i]);
+ if (ret != 0)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ for (i--; i >= 0; i--)
+ snd_soc_unregister_dai(&dai[i]);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_dais);
+
+/**
+ * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
+ *
+ * @dai: Array of DAIs to unregister
+ * @count: Number of DAIs
+ */
+void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
+{
+ int i;
+
+ for (i = 0; i < count; i++)
+ snd_soc_unregister_dai(&dai[i]);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
+
+/**
+ * snd_soc_register_platform - Register a platform with the ASoC core
+ *
+ * @platform: platform to register
+ */
+int snd_soc_register_platform(struct snd_soc_platform *platform)
+{
+ if (!platform->name)
+ return -EINVAL;
+
+ INIT_LIST_HEAD(&platform->list);
+
+ mutex_lock(&client_mutex);
+ list_add(&platform->list, &platform_list);
+ snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Registered platform '%s'\n", platform->name);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_platform);
+
+/**
+ * snd_soc_unregister_platform - Unregister a platform from the ASoC core
+ *
+ * @platform: platform to unregister
+ */
+void snd_soc_unregister_platform(struct snd_soc_platform *platform)
+{
+ mutex_lock(&client_mutex);
+ list_del(&platform->list);
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Unregistered platform '%s'\n", platform->name);
+}
+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];
+}
+
+/**
+ * snd_soc_register_codec - Register a codec with the ASoC core
+ *
+ * @codec: codec to register
+ */
+int snd_soc_register_codec(struct snd_soc_codec *codec)
+{
+ int i;
+
+ if (!codec->name)
+ return -EINVAL;
+
+ /* The device should become mandatory over time */
+ if (!codec->dev)
+ printk(KERN_WARNING "No device for codec %s\n", codec->name);
+
+ INIT_LIST_HEAD(&codec->list);
+
+ for (i = 0; i < codec->num_dai; i++) {
+ fixup_codec_formats(&codec->dai[i].playback);
+ fixup_codec_formats(&codec->dai[i].capture);
+ }
+
+ mutex_lock(&client_mutex);
+ list_add(&codec->list, &codec_list);
+ snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Registered codec '%s'\n", codec->name);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_codec);
+
+/**
+ * snd_soc_unregister_codec - Unregister a codec from the ASoC core
+ *
+ * @codec: codec to unregister
+ */
+void snd_soc_unregister_codec(struct snd_soc_codec *codec)
+{
+ mutex_lock(&client_mutex);
+ list_del(&codec->list);
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Unregistered codec '%s'\n", codec->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
+
+static int __init snd_soc_init(void)
{
- printk(KERN_INFO "ASoC version %s\n", SND_SOC_VERSION);
+#ifdef CONFIG_DEBUG_FS
+ debugfs_root = debugfs_create_dir("asoc", NULL);
+ if (IS_ERR(debugfs_root) || !debugfs_root) {
+ printk(KERN_WARNING
+ "ASoC: Failed to create debugfs directory\n");
+ debugfs_root = NULL;
+ }
+#endif
+
return platform_driver_register(&soc_driver);
}
-static void snd_soc_exit(void)
+static void __exit snd_soc_exit(void)
{
+#ifdef CONFIG_DEBUG_FS
+ debugfs_remove_recursive(debugfs_root);
+#endif
platform_driver_unregister(&soc_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff