diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-11 15:06:29 +0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-11 15:06:29 +0400 |
commit | 6a47366973be7d234952332e09646981951d3879 (patch) | |
tree | 1ef55f028c7a017d75d75434223c2b7f907dd935 /sound/soc | |
parent | 81fd7e48f44637b7e677b3dc0d298126d81a2320 (diff) | |
parent | da18396f949ecaa45007d3aeb1b81bd6da092811 (diff) | |
download | linux-6a47366973be7d234952332e09646981951d3879.tar.xz |
Merge remote-tracking branch 'asoc/topic/compress' into asoc-next
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/soc-compress.c | 123 | ||||
-rw-r--r-- | sound/soc/soc-core.c | 12 | ||||
-rw-r--r-- | sound/soc/soc-dapm.c | 6 | ||||
-rw-r--r-- | sound/soc/soc-pcm.c | 7 |
4 files changed, 128 insertions, 20 deletions
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 5fbfb06e8083..b5b3db71e253 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -33,6 +33,8 @@ static int soc_compr_open(struct snd_compr_stream *cstream) struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->open) { ret = platform->driver->compr_ops->open(cstream); if (ret < 0) { @@ -61,15 +63,46 @@ static int soc_compr_open(struct snd_compr_stream *cstream) codec_dai->active++; rtd->codec->active++; + mutex_unlock(&rtd->pcm_mutex); + return 0; machine_err: if (platform->driver->compr_ops && platform->driver->compr_ops->free) platform->driver->compr_ops->free(cstream); out: + mutex_unlock(&rtd->pcm_mutex); return ret; } +/* + * Power down the audio subsystem pmdown_time msecs after close is called. + * This is to ensure there are no pops or clicks in between any music tracks + * due to DAPM power cycling. + */ +static void close_delayed_work(struct work_struct *work) +{ + struct snd_soc_pcm_runtime *rtd = + container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + + dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n", + codec_dai->driver->playback.stream_name, + codec_dai->playback_active ? "active" : "inactive", + rtd->pop_wait ? "yes" : "no"); + + /* are we waiting on this codec DAI stream */ + if (rtd->pop_wait == 1) { + rtd->pop_wait = 0; + snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_DAPM_STREAM_STOP); + } + + mutex_unlock(&rtd->pcm_mutex); +} + static int soc_compr_free(struct snd_compr_stream *cstream) { struct snd_soc_pcm_runtime *rtd = cstream->private_data; @@ -78,6 +111,8 @@ static int soc_compr_free(struct snd_compr_stream *cstream) struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_codec *codec = rtd->codec; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (cstream->direction == SND_COMPRESS_PLAYBACK) { cpu_dai->playback_active--; codec_dai->playback_active--; @@ -86,7 +121,7 @@ static int soc_compr_free(struct snd_compr_stream *cstream) codec_dai->capture_active--; } - snd_soc_dai_digital_mute(codec_dai, 1); + snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); cpu_dai->active--; codec_dai->active--; @@ -112,10 +147,11 @@ static int soc_compr_free(struct snd_compr_stream *cstream) snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_STOP); - } else + } else { rtd->pop_wait = 1; schedule_delayed_work(&rtd->delayed_work, msecs_to_jiffies(rtd->pmdown_time)); + } } else { /* capture streams can be powered down now */ snd_soc_dapm_stream_event(rtd, @@ -123,6 +159,7 @@ static int soc_compr_free(struct snd_compr_stream *cstream) SND_SOC_DAPM_STREAM_STOP); } + mutex_unlock(&rtd->pcm_mutex); return 0; } @@ -134,17 +171,25 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { ret = platform->driver->compr_ops->trigger(cstream, cmd); if (ret < 0) - return ret; + goto out; } - if (cmd == SNDRV_PCM_TRIGGER_START) - snd_soc_dai_digital_mute(codec_dai, 0); - else if (cmd == SNDRV_PCM_TRIGGER_STOP) - snd_soc_dai_digital_mute(codec_dai, 1); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction); + break; + case SNDRV_PCM_TRIGGER_STOP: + snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); + break; + } +out: + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -155,6 +200,8 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + /* first we call set_params for the platform driver * this should configure the soc side * if the machine has compressed ops then we call that as well @@ -164,18 +211,20 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream, if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { ret = platform->driver->compr_ops->set_params(cstream, params); if (ret < 0) - return ret; + goto out; } if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) { ret = rtd->dai_link->compr_ops->set_params(cstream); if (ret < 0) - return ret; + goto out; } snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_START); +out: + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -186,9 +235,12 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_params) ret = platform->driver->compr_ops->get_params(cstream, params); + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -199,9 +251,12 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps) ret = platform->driver->compr_ops->get_caps(cstream, caps); + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -212,9 +267,12 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) ret = platform->driver->compr_ops->get_codec_caps(cstream, codec); + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -224,9 +282,12 @@ static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes) struct snd_soc_platform *platform = rtd->platform; int ret = 0; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->ack) ret = platform->driver->compr_ops->ack(cstream, bytes); + mutex_unlock(&rtd->pcm_mutex); return ret; } @@ -236,12 +297,31 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream, struct snd_soc_pcm_runtime *rtd = cstream->private_data; struct snd_soc_platform *platform = rtd->platform; + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->pointer) platform->driver->compr_ops->pointer(cstream, tstamp); + mutex_unlock(&rtd->pcm_mutex); return 0; } +static int soc_compr_copy(struct snd_compr_stream *cstream, + const char __user *buf, size_t count) +{ + struct snd_soc_pcm_runtime *rtd = cstream->private_data; + struct snd_soc_platform *platform = rtd->platform; + int ret = 0; + + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + + if (platform->driver->compr_ops && platform->driver->compr_ops->copy) + ret = platform->driver->compr_ops->copy(cstream, buf, count); + + mutex_unlock(&rtd->pcm_mutex); + return ret; +} + /* ASoC Compress operations */ static struct snd_compr_ops soc_compr_ops = { .open = soc_compr_open, @@ -259,6 +339,7 @@ static struct snd_compr_ops soc_compr_ops = { int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) { struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_compr *compr; @@ -275,20 +356,38 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) return -ENOMEM; } - compr->ops = &soc_compr_ops; + compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops), + GFP_KERNEL); + if (compr->ops == NULL) { + dev_err(rtd->card->dev, "Cannot allocate compressed ops\n"); + ret = -ENOMEM; + goto compr_err; + } + memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops)); + + /* Add copy callback for not memory mapped DSPs */ + if (platform->driver->compr_ops && platform->driver->compr_ops->copy) + compr->ops->copy = soc_compr_copy; + mutex_init(&compr->lock); ret = snd_compress_new(rtd->card->snd_card, num, direction, compr); if (ret < 0) { pr_err("compress asoc: can't create compress for codec %s\n", codec->name); - kfree(compr); - return ret; + goto compr_err; } + /* DAPM dai link stream work */ + INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); + rtd->compr = compr; compr->private_data = rtd; printk(KERN_INFO "compress asoc: %s <-> %s mapping ok\n", codec_dai->name, cpu_dai->name); return ret; + +compr_err: + kfree(compr); + return ret; } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 2370063b5824..4eac22797893 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3540,12 +3540,20 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); * snd_soc_dai_digital_mute - configure DAI system or master clock. * @dai: DAI * @mute: mute enable + * @direction: stream to mute * * Mutes the DAI DAC. */ -int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) +int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, + int direction) { - if (dai->driver && dai->driver->ops->digital_mute) + if (!dai->driver) + return -ENOTSUPP; + + if (dai->driver->ops->mute_stream) + return dai->driver->ops->mute_stream(dai, mute, direction); + else if (direction == SNDRV_PCM_STREAM_PLAYBACK && + dai->driver->ops->digital_mute) return dai->driver->ops->digital_mute(dai, mute); else return -ENOTSUPP; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 258acadb9e7d..1d6a9b3ceb27 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -3255,14 +3255,16 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_POST_PMU: - ret = snd_soc_dai_digital_mute(sink, 0); + ret = snd_soc_dai_digital_mute(sink, 0, + SNDRV_PCM_STREAM_PLAYBACK); if (ret != 0 && ret != -ENOTSUPP) dev_warn(sink->dev, "ASoC: Failed to unmute: %d\n", ret); ret = 0; break; case SND_SOC_DAPM_PRE_PMD: - ret = snd_soc_dai_digital_mute(sink, 1); + ret = snd_soc_dai_digital_mute(sink, 1, + SNDRV_PCM_STREAM_PLAYBACK); if (ret != 0 && ret != -ENOTSUPP) dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret); ret = 0; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index cf191e6aebbe..d675b4ae0df6 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -383,8 +383,7 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) /* Muting the DAC suppresses artifacts caused during digital * shutdown, for example from stopping clocks. */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - snd_soc_dai_digital_mute(codec_dai, 1); + snd_soc_dai_digital_mute(codec_dai, 1, substream->stream); if (cpu_dai->driver->ops->shutdown) cpu_dai->driver->ops->shutdown(substream, cpu_dai); @@ -488,7 +487,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) snd_soc_dapm_stream_event(rtd, substream->stream, SND_SOC_DAPM_STREAM_START); - snd_soc_dai_digital_mute(codec_dai, 0); + snd_soc_dai_digital_mute(codec_dai, 0, substream->stream); out: mutex_unlock(&rtd->pcm_mutex); @@ -586,7 +585,7 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) /* apply codec digital mute */ if (!codec->active) - snd_soc_dai_digital_mute(codec_dai, 1); + snd_soc_dai_digital_mute(codec_dai, 1, substream->stream); /* free any machine hw params */ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) |