* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
- * Revision history
- * 12th Aug 2005 Initial version.
- * 25th Oct 2005 Working Codec, Interface and Platform registration.
- *
* TODO:
* o Add hw rules to enforce rates, etc.
* o More testing with other codecs/machines.
#include <linux/pm.h>
#include <linux/bitops.h>
#include <linux/platform_device.h>
-#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
static inline const char* get_dai_name(int type)
{
switch(type) {
+ case SND_SOC_DAI_AC97_BUS:
case SND_SOC_DAI_AC97:
return "AC97";
case SND_SOC_DAI_I2S:
}
/*
- * Power down the audio subsytem pmdown_time msecs after close is called.
+ * 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.
*/
/* are we waiting on this codec DAI stream */
if (codec_dai->pop_wait == 1) {
+ /* Reduce power if no longer active */
+ if (codec->active == 0) {
+ dbg("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_event(codec,
+ codec_dai->playback.stream_name,
SND_SOC_DAPM_STREAM_STOP);
- /* power down the codec power domain if no longer active */
+ /* Fall into standby if no longer active */
if (codec->active == 0) {
dbg("pop wq D3 %s %s\n", codec->name,
codec_dai->playback.stream_name);
- if (codec->dapm_event)
- codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ snd_soc_dapm_set_bias_level(socdev,
+ SND_SOC_BIAS_STANDBY);
}
}
}
} else {
/* capture streams can be powered down now */
snd_soc_dapm_stream_event(codec,
- codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_STOP);
+ codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
- if (codec->active == 0 && codec_dai->pop_wait == 0){
- if (codec->dapm_event)
- codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot);
- }
+ if (codec->active == 0 && codec_dai->pop_wait == 0)
+ snd_soc_dapm_set_bias_level(socdev,
+ SND_SOC_BIAS_STANDBY);
}
mutex_unlock(&pcm_mutex);
}
} else {
/* no delayed work - do we need to power up codec */
- if (codec->dapm_state != SNDRV_CTL_POWER_D0) {
+ if (codec->bias_level != SND_SOC_BIAS_ON) {
- if (codec->dapm_event)
- codec->dapm_event(codec, SNDRV_CTL_POWER_D1);
+ 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->capture.stream_name,
SND_SOC_DAPM_STREAM_START);
- if (codec->dapm_event)
- codec->dapm_event(codec, SNDRV_CTL_POWER_D0);
+ snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_ON);
if (codec_dai->dai_ops.digital_mute)
codec_dai->dai_ops.digital_mute(codec_dai, 0);
dai->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);
+
if (machine->suspend_pre)
machine->suspend_pre(pdev, state);
/* close any waiting streams and save state */
run_delayed_work(&socdev->delayed_work);
- codec->suspend_dapm_state = codec->dapm_state;
+ codec->suspend_bias_level = codec->bias_level;
for(i = 0; i < codec->num_dai; i++) {
char *stream = codec->dai[i].playback.stream_name;
static struct platform_driver soc_driver = {
.driver = {
.name = "soc-audio",
+ .owner = THIS_MODULE,
},
.probe = soc_probe,
.remove = soc_remove,
return ret;
}
+ 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;
struct snd_soc_machine *machine = socdev->machine;
int ret = 0, i, ac97 = 0, err = 0;
- mutex_lock(&codec->mutex);
for(i = 0; i < machine->num_links; i++) {
if (socdev->machine->dai_link[i].init) {
err = socdev->machine->dai_link[i].init(codec);
continue;
}
}
- if (socdev->machine->dai_link[i].cpu_dai->type == SND_SOC_DAI_AC97)
+ if (socdev->machine->dai_link[i].codec_dai->type ==
+ SND_SOC_DAI_AC97_BUS)
ac97 = 1;
}
snprintf(codec->card->shortname, sizeof(codec->card->shortname),
goto out;
}
+ mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
if (ac97) {
ret = soc_ac97_dev_register(codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
snd_card_free(codec->card);
+ mutex_unlock(&codec->mutex);
goto out;
}
}
err = device_create_file(socdev->dev, &dev_attr_codec_reg);
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs entries\n");
-out:
+
mutex_unlock(&codec->mutex);
+
+out:
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_register_card);
void snd_soc_free_pcms(struct snd_soc_device *socdev)
{
struct snd_soc_codec *codec = socdev->codec;
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ struct snd_soc_codec_dai *codec_dai;
+ int i;
+#endif
mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
- if (codec->ac97)
- soc_ac97_dev_unregister(codec);
+ for(i = 0; i < codec->num_dai; i++) {
+ codec_dai = &codec->dai[i];
+ if (codec_dai->type == SND_SOC_DAI_AC97_BUS && codec->ac97) {
+ soc_ac97_dev_unregister(codec);
+ goto free_card;
+ }
+ }
+free_card:
#endif
if (codec->card)
memcpy(&template, _template, sizeof(template));
if (long_name)
template.name = long_name;
- template.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
template.index = 0;
return snd_ctl_new1(&template, data);
int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int mask = kcontrol->private_value;
+ int max = kcontrol->private_value;
- uinfo->type =
- mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = mask;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
+ if (max == 1)
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-/**
- * snd_soc_info_bool_ext - external single boolean mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single boolean external mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_bool_ext(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
+ uinfo->value.integer.max = max;
return 0;
}
-EXPORT_SYMBOL_GPL(snd_soc_info_bool_ext);
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
/**
* snd_soc_info_volsw - single mixer info callback
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int mask = (kcontrol->private_value >> 16) & 0xff;
+ int max = (kcontrol->private_value >> 16) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
- uinfo->type =
- mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ if (max == 1)
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
uinfo->count = shift == rshift ? 1 : 2;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = mask;
+ uinfo->value.integer.max = max;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int mask = (kcontrol->private_value >> 16) & 0xff;
+ int max = (kcontrol->private_value >> 16) & 0xff;
+ int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> rshift) & mask;
if (invert) {
ucontrol->value.integer.value[0] =
- mask - ucontrol->value.integer.value[0];
+ max - ucontrol->value.integer.value[0];
if (shift != rshift)
ucontrol->value.integer.value[1] =
- mask - ucontrol->value.integer.value[1];
+ max - ucontrol->value.integer.value[1];
}
return 0;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int mask = (kcontrol->private_value >> 16) & 0xff;
+ int max = (kcontrol->private_value >> 16) & 0xff;
+ int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
- int err;
unsigned short val, val2, val_mask;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
- val = mask - val;
+ val = max - val;
val_mask = mask << shift;
val = val << shift;
if (shift != rshift) {
val2 = (ucontrol->value.integer.value[1] & mask);
if (invert)
- val2 = mask - val2;
+ val2 = max - val2;
val_mask |= mask << rshift;
val |= val2 << rshift;
}
- err = snd_soc_update_bits(codec, reg, val_mask, val);
- return err;
+ return snd_soc_update_bits(codec, reg, val_mask, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int mask = (kcontrol->private_value >> 12) & 0xff;
+ int max = (kcontrol->private_value >> 12) & 0xff;
+
+ if (max == 1)
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->type =
- mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = mask;
+ uinfo->value.integer.max = max;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
- int mask = (kcontrol->private_value >> 12) & 0xff;
+ int max = (kcontrol->private_value >> 12) & 0xff;
+ int mask = (1<<fls(max))-1;
int invert = (kcontrol->private_value >> 20) & 0x01;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg2) >> shift) & mask;
if (invert) {
ucontrol->value.integer.value[0] =
- mask - ucontrol->value.integer.value[0];
+ max - ucontrol->value.integer.value[0];
ucontrol->value.integer.value[1] =
- mask - ucontrol->value.integer.value[1];
+ max - ucontrol->value.integer.value[1];
}
return 0;
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
- int mask = (kcontrol->private_value >> 12) & 0xff;
+ int max = (kcontrol->private_value >> 12) & 0xff;
+ int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 20) & 0x01;
int err;
unsigned short val, val2, val_mask;
val2 = (ucontrol->value.integer.value[1] & mask);
if (invert) {
- val = mask - val;
- val2 = mask - val2;
+ val = max - val;
+ val2 = max - val2;
}
val = val << shift;
MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
MODULE_DESCRIPTION("ALSA SoC Core");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:soc-audio");