static int soc_compr_set_params(struct snd_compr_stream *cstream,
struct snd_compr_params *params)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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
* expectation is that platform and machine will configure everything
* for this compress path, like configuring pcm port for codec
*/
if (cpu_dai->driver->cops && cpu_dai->driver->cops->set_params) {
ret = cpu_dai->driver->cops->set_params(cstream, params, cpu_dai);
if (ret < 0)
goto err;
}
if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
ret = platform->driver->compr_ops->set_params(cstream, params);
if (ret < 0)
goto err;
}
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)
goto err;
}
if (cstream->direction == SND_COMPRESS_PLAYBACK)
snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
SND_SOC_DAPM_STREAM_START);
else
snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,
SND_SOC_DAPM_STREAM_START);
/* cancel any delayed stream shutdown that is pending */
rtd->pop_wait = 0;
mutex_unlock(&rtd->pcm_mutex);
cancel_delayed_work_sync(&rtd->delayed_work);
return ret;
err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
static int soc_compr_free(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int stream;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
if (cstream->direction == SND_COMPRESS_PLAYBACK)
stream = SNDRV_PCM_STREAM_PLAYBACK;
else
stream = SNDRV_PCM_STREAM_CAPTURE;
snd_soc_runtime_deactivate(rtd, stream);
snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
if (!cpu_dai->active)
cpu_dai->rate = 0;
if (!codec_dai->active)
codec_dai->rate = 0;
if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown)
rtd->dai_link->compr_ops->shutdown(cstream);
if (platform->driver->compr_ops && platform->driver->compr_ops->free)
platform->driver->compr_ops->free(cstream);
if (cstream->direction == SND_COMPRESS_PLAYBACK) {
if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_PLAYBACK,
SND_SOC_DAPM_STREAM_STOP);
} else {
rtd->pop_wait = 1;
queue_delayed_work(system_power_efficient_wq,
&rtd->delayed_work,
msecs_to_jiffies(rtd->pmdown_time));
}
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_CAPTURE,
SND_SOC_DAPM_STREAM_STOP);
}
mutex_unlock(&rtd->pcm_mutex);
return 0;
}
static int soc_compr_set_params(struct snd_compr_stream *cstream,
struct snd_compr_params *params)
{
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);
/* 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
* expectation is that platform and machine will configure everything
* for this compress path, like configuring pcm port for codec
*/
if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
ret = platform->driver->compr_ops->set_params(cstream, params);
if (ret < 0)
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)
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;
}
/*
* Called by ALSA when a PCM substream is closed. Private data can be
* freed here. The cpu DAI, codec DAI, machine and platform are also
* shutdown.
*/
static int soc_pcm_close(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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 (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
cpu_dai->playback_active--;
codec_dai->playback_active--;
} else {
cpu_dai->capture_active--;
codec_dai->capture_active--;
}
cpu_dai->active--;
codec_dai->active--;
codec->active--;
if (!cpu_dai->active && !codec_dai->active)
rtd->rate = 0;
/* 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);
if (cpu_dai->driver->ops->shutdown)
cpu_dai->driver->ops->shutdown(substream, cpu_dai);
if (codec_dai->driver->ops->shutdown)
codec_dai->driver->ops->shutdown(substream, codec_dai);
if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
if (platform->driver->ops && platform->driver->ops->close)
platform->driver->ops->close(substream);
cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* start delayed pop wq here for playback streams */
codec_dai->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,
codec_dai->driver->capture.stream_name,
SND_SOC_DAPM_STREAM_STOP);
}
mutex_unlock(&rtd->pcm_mutex);
return 0;
}
/* pay attention: application should lock the route set period. */
static int bb_control_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
unsigned short reg;
struct snd_soc_codec *codec = wm9713_dai[WM9713_DAI_PCM_VOICE].codec;
if (bb_enable == 1 && ucontrol->value.integer.value[0] == 0)
printk(KERN_INFO "Disable BB!!\n");
if (bb_enable == 0 && ucontrol->value.integer.value[0] == 1) {
printk(KERN_INFO "Enable BB!!\n");
snd_soc_dapm_stream_event(codec, "Voice Playback",
SND_SOC_DAPM_STREAM_START);
snd_soc_dapm_stream_event(codec, "Voice Capture",
SND_SOC_DAPM_STREAM_START);
/*enable VRA mode*/
codec->write(codec, AC97_EXTENDED_STATUS, 0x1);
codec->write(codec, AC97_PCM_LR_ADC_RATE, 0x1F40);
codec->write(codec, AC97_EXTENDED_MID,
codec->read(codec, AC97_EXTENDED_MID)&0xffc3);
codec->write(codec, AC97_EXTENDED_MSTATUS,
codec->read(codec, AC97_EXTENDED_MSTATUS)&0xf9f5);
codec->write(codec, AC97_POWERDOWN, 0);
codec->write(codec, AC97_HANDSET_RATE, 0x0f80);
schedule_timeout_interruptible(msecs_to_jiffies(10));
codec->write(codec, AC97_CENTER_LFE_MASTER, 0xa8b3);
reg = codec->read(codec, AC97_GPIO_CFG);
reg |= (0x1<<1);
reg |= (0x1<<3);
reg |= (0x1<<4);
reg &= ~(0x1<<5);
codec->write(codec, AC97_GPIO_CFG, reg);
schedule_timeout_interruptible(msecs_to_jiffies(10));
}
bb_enable = ucontrol->value.integer.value[0];
return 0;
}
static int zoom2_set_capture_state(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret;
if (zoom2_capture_state == ucontrol->value.integer.value[0])
return 0;
if (ucontrol->value.integer.value[0]) {
ret = snd_soc_dapm_stream_event(g_rtd, 1, "Capture",
SND_SOC_DAPM_STREAM_START);
} else {
ret = snd_soc_dapm_stream_event(g_rtd, 1, "Capture",
SND_SOC_DAPM_STREAM_STOP);
}
if (ret != 0) {
printk(KERN_ERR "failed to set capture state\n");
return 0;
}
zoom2_capture_state = ucontrol->value.integer.value[0];
return 1;
}
/*
* 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_set_params(struct snd_compr_stream *cstream,
struct snd_compr_params *params)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
struct snd_soc_platform *platform = rtd->platform;
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->set_params) {
ret = platform->driver->compr_ops->set_params(cstream, params);
if (ret < 0)
goto err;
}
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)
goto err;
}
snd_soc_dapm_stream_event(rtd,
codec_dai->driver->playback.stream_name,
SND_SOC_DAPM_STREAM_START);
codec_dai->pop_wait = 0;
mutex_unlock(&rtd->pcm_mutex);
cancel_delayed_work_sync(&rtd->delayed_work);
return ret;
err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
/*
* Called by ALSA when the PCM substream is prepared, can set format, sample
* rate, etc. This function is non atomic and can be called multiple times,
* it can refer to the runtime info.
*/
static int soc_pcm_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
ret = rtd->dai_link->ops->prepare(substream);
if (ret < 0) {
pr_err("asoc: machine prepare error: %d\n", ret);
goto out;
}
}
if (platform->driver->ops && platform->driver->ops->prepare) {
ret = platform->driver->ops->prepare(substream);
if (ret < 0) {
dev_err(platform->dev, "platform prepare error: %d\n",
ret);
goto out;
}
}
if (codec_dai->driver->ops->prepare) {
ret = codec_dai->driver->ops->prepare(substream, codec_dai);
if (ret < 0) {
dev_err(codec_dai->dev, "DAI prepare error: %d\n",
ret);
goto out;
}
}
if (cpu_dai->driver->ops->prepare) {
ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
if (ret < 0) {
dev_err(cpu_dai->dev, "DAI prepare error: %d\n",
ret);
goto out;
}
}
/* cancel any delayed stream shutdown that is pending */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
codec_dai->pop_wait) {
codec_dai->pop_wait = 0;
cancel_delayed_work(&rtd->delayed_work);
}
snd_soc_dapm_stream_event(rtd, substream->stream, codec_dai,
SND_SOC_DAPM_STREAM_START);
snd_soc_dai_digital_mute(codec_dai, 0);
out:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
static int zoom2_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
unsigned short reg;
int ret = 0;
/* Enable voice interface */
reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF);
reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN;
codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg);
/* hifi state */
ret = snd_soc_dapm_stream_event(rtd,
1,
"Capture",
SND_SOC_DAPM_STREAM_START);
/* voice state */
/* this is not dynamic, so ignore dir */
ret = snd_soc_dapm_stream_event(rtd,
1,
"TWL4030 Voice",
SND_SOC_DAPM_STREAM_START);
/* Enable voice digital filters */
snd_soc_update_bits(codec, TWL4030_REG_OPTION,
TWL4030_ARXL1_VRX_EN, 0x10);
ret = snd_soc_dapm_stream_event(rtd,
1,
"TWL4030 Voice",
SND_SOC_DAPM_STREAM_START);
/* reinit defaults */
snd_soc_update_bits(codec, 1, 1, 0);
snd_soc_update_bits(codec, 17, 63, 50);
snd_soc_update_bits(codec, 16, 63, 50);
snd_soc_update_bits(codec, 19, 63, 45);
snd_soc_update_bits(codec, 18, 63, 45);
snd_soc_update_bits(codec, 17, 192, 128);
snd_soc_update_bits(codec, 16, 192, 128);
snd_soc_update_bits(codec, 19, 192, 128);
snd_soc_update_bits(codec, 18, 192, 128);
snd_soc_update_bits(codec, 25, 248, 0);
snd_soc_update_bits(codec, 26, 248, 0);
snd_soc_update_bits(codec, 27, 248, 32);
snd_soc_update_bits(codec, 28, 248, 32);
snd_soc_update_bits(codec, 25, 2, 0);
snd_soc_update_bits(codec, 26, 2, 0);
snd_soc_update_bits(codec, 27, 2, 2);
snd_soc_update_bits(codec, 28, 2, 2);
snd_soc_update_bits(codec, 20, 63, 36);
snd_soc_update_bits(codec, 68, 2, 0);
snd_soc_update_bits(codec, 37, 48, 16);
snd_soc_update_bits(codec, 37, 48, 16);
snd_soc_update_bits(codec, 38, 48, 16);
snd_soc_update_bits(codec, 35, 15, 5);
snd_soc_update_bits(codec, 39, 48, 16);
snd_soc_update_bits(codec, 40, 48, 16);
snd_soc_update_bits(codec, 33, 48, 16);
snd_soc_update_bits(codec, 10, 31, 23);
snd_soc_update_bits(codec, 11, 31, 23);
snd_soc_update_bits(codec, 12, 31, 23);
snd_soc_update_bits(codec, 13, 31, 23);
snd_soc_update_bits(codec, 72, 63, 27);
snd_soc_update_bits(codec, 7, 4, 0);
snd_soc_update_bits(codec, 36, 28, 12);
snd_soc_update_bits(codec, 69, 32, 0);
snd_soc_update_bits(codec, 69, 2, 0);
return 0;
}
/*
* Called by ALSA when a PCM substream is closed. Private data can be
* freed here. The cpu DAI, codec DAI, machine and platform are also
* shutdown.
*/
static int soc_pcm_close(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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 (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
cpu_dai->playback_active--;
codec_dai->playback_active--;
} else {
cpu_dai->capture_active--;
codec_dai->capture_active--;
}
cpu_dai->active--;
codec_dai->active--;
codec->active--;
/* clear the corresponding DAIs rate when inactive */
if (!cpu_dai->active)
cpu_dai->rate = 0;
if (!codec_dai->active)
codec_dai->rate = 0;
/* Muting the DAC suppresses artifacts caused during digital
* shutdown, for example from stopping clocks.
*/
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK
&& !codec_dai->playback_active)
snd_soc_dai_digital_mute(codec_dai, 1);
if (cpu_dai->driver->ops->shutdown)
cpu_dai->driver->ops->shutdown(substream, cpu_dai);
if (codec_dai->driver->ops->shutdown
&& !codec_dai->playback_active)
codec_dai->driver->ops->shutdown(substream, codec_dai);
if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
if (platform->driver->ops && platform->driver->ops->close)
platform->driver->ops->close(substream);
cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
!codec_dai->playback_active) {
if (!rtd->pmdown_time || codec->ignore_pmdown_time ||
rtd->dai_link->ignore_pmdown_time) {
/* powered down playback stream now */
snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_PLAYBACK,
codec_dai,
SND_SOC_DAPM_STREAM_STOP);
} else {
/* start delayed pop wq here for playback streams */
codec_dai->pop_wait = 1;
queue_delayed_work(system_power_efficient_wq,
&rtd->delayed_work,
msecs_to_jiffies(rtd->pmdown_time));
}
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,
codec_dai, SND_SOC_DAPM_STREAM_STOP);
}
mutex_unlock(&rtd->pcm_mutex);
pm_runtime_put(platform->dev);
pm_runtime_put(codec_dai->dev);
pm_runtime_put(cpu_dai->dev);
return 0;
}
