#endif
static DEFINE_MUTEX(client_mutex);
-static LIST_HEAD(dai_list);
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
static LIST_HEAD(component_list);
{
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
ssize_t len, ret = 0;
+ struct snd_soc_component *component;
struct snd_soc_dai *dai;
if (!buf)
return -ENOMEM;
- list_for_each_entry(dai, &dai_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
+ list_for_each_entry(component, &component_list, list) {
+ list_for_each_entry(dai, &component->dai_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
+ dai->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
}
}
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+ struct snd_soc_component *component;
struct snd_soc_codec *codec;
struct snd_soc_platform *platform;
struct snd_soc_dai *codec_dai, *cpu_dai;
dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
/* Find CPU DAI from registered DAIs*/
- list_for_each_entry(cpu_dai, &dai_list, list) {
+ list_for_each_entry(component, &component_list, list) {
if (dai_link->cpu_of_node &&
- (cpu_dai->dev->of_node != dai_link->cpu_of_node))
+ component->dev->of_node != dai_link->cpu_of_node)
continue;
if (dai_link->cpu_name &&
- strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name))
- continue;
- if (dai_link->cpu_dai_name &&
- strcmp(cpu_dai->name, dai_link->cpu_dai_name))
+ strcmp(dev_name(component->dev), dai_link->cpu_name))
continue;
+ list_for_each_entry(cpu_dai, &component->dai_list, list) {
+ if (dai_link->cpu_dai_name &&
+ strcmp(cpu_dai->name, dai_link->cpu_dai_name))
+ continue;
- rtd->cpu_dai = cpu_dai;
+ rtd->cpu_dai = cpu_dai;
+ }
}
if (!rtd->cpu_dai) {
* CODEC found, so find CODEC DAI from registered DAIs from
* this CODEC
*/
- list_for_each_entry(codec_dai, &dai_list, list) {
- if (codec->dev == codec_dai->dev &&
- !strcmp(codec_dai->name,
- dai_link->codec_dai_name)) {
-
+ list_for_each_entry(codec_dai, &codec->component.dai_list, list) {
+ if (!strcmp(codec_dai->name, dai_link->codec_dai_name)) {
rtd->codec_dai = codec_dai;
+ break;
}
}
driver->num_dapm_widgets);
/* Create DAPM widgets for each DAI stream */
- list_for_each_entry(dai, &dai_list, list) {
- if (dai->dev != codec->dev)
- continue;
-
+ list_for_each_entry(dai, &codec->component.dai_list, list)
snd_soc_dapm_new_dai_widgets(&codec->dapm, dai);
- }
codec->dapm.idle_bias_off = driver->idle_bias_off;
+ if (!codec->write && dev_get_regmap(codec->dev, NULL)) {
+ /* Set the default I/O up try regmap */
+ ret = snd_soc_codec_set_cache_io(codec, NULL);
+ if (ret < 0) {
+ dev_err(codec->dev,
+ "Failed to set cache I/O: %d\n", ret);
+ goto err_probe;
+ }
+ }
+
if (driver->probe) {
ret = driver->probe(codec);
if (ret < 0) {
codec->name);
}
- /* If the driver didn't set I/O up try regmap */
- if (!codec->write && dev_get_regmap(codec->dev, NULL))
- snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
-
if (driver->controls)
snd_soc_add_codec_controls(codec, driver->controls,
driver->num_controls);
{
int ret = 0;
const struct snd_soc_platform_driver *driver = platform->driver;
+ struct snd_soc_component *component;
struct snd_soc_dai *dai;
platform->card = card;
driver->dapm_widgets, driver->num_dapm_widgets);
/* Create DAPM widgets for each DAI stream */
- list_for_each_entry(dai, &dai_list, list) {
- if (dai->dev != platform->dev)
+ list_for_each_entry(component, &component_list, list) {
+ if (component->dev != platform->dev)
continue;
-
- snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
+ list_for_each_entry(dai, &component->dai_list, list)
+ snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
}
platform->dapm.idle_bias_off = 1;
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;
++ const char *name;
int ret = 0;
if (!dailess) {
}
rtd->card = card;
-- /* 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);
dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
return ret;
}
-- codec->name_prefix = temp;
/* register the rtd device */
rtd->codec = codec;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
- uinfo->value.enumerated.items = e->max;
+ uinfo->value.enumerated.items = e->items;
- if (uinfo->value.enumerated.item > e->max - 1)
- uinfo->value.enumerated.item = e->max - 1;
+ if (uinfo->value.enumerated.item >= e->items)
+ uinfo->value.enumerated.item = e->items - 1;
strlcpy(uinfo->value.enumerated.name,
e->texts[uinfo->value.enumerated.item],
sizeof(uinfo->value.enumerated.name));
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int val;
+ unsigned int val, item;
+ unsigned int reg_val;
- val = snd_soc_read(codec, e->reg);
- ucontrol->value.enumerated.item[0]
- = (val >> e->shift_l) & e->mask;
- if (e->shift_l != e->shift_r)
- ucontrol->value.enumerated.item[1] =
- (val >> e->shift_r) & e->mask;
+ reg_val = snd_soc_read(codec, e->reg);
+ val = (reg_val >> e->shift_l) & e->mask;
+ item = snd_soc_enum_val_to_item(e, val);
+ ucontrol->value.enumerated.item[0] = item;
+ if (e->shift_l != e->shift_r) {
+ val = (reg_val >> e->shift_l) & e->mask;
+ item = snd_soc_enum_val_to_item(e, val);
+ ucontrol->value.enumerated.item[1] = item;
+ }
return 0;
}
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int *item = ucontrol->value.enumerated.item;
unsigned int val;
unsigned int mask;
- if (ucontrol->value.enumerated.item[0] > e->max - 1)
+ if (item[0] >= e->items)
return -EINVAL;
- val = ucontrol->value.enumerated.item[0] << e->shift_l;
+ val = snd_soc_enum_item_to_val(e, 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)
+ if (item[1] >= e->items)
return -EINVAL;
- val |= ucontrol->value.enumerated.item[1] << e->shift_r;
+ val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
mask |= e->mask << e->shift_r;
}
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.
+ * snd_soc_read_signed - Read a codec register and interprete as signed value
+ * @codec: codec
+ * @reg: Register to read
+ * @mask: Mask to use after shifting the register value
+ * @shift: Right shift of register value
+ * @sign_bit: Bit that describes if a number is negative or not.
*
- * Semi enumerated mixer: the enumerated items are referred as values. Can be
- * used for handling bitfield coded enumeration for example.
+ * This functions reads a codec register. The register value is shifted right
+ * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
+ * the given registervalue into a signed integer if sign_bit is non-zero.
*
- * Returns 0 for success.
+ * Returns the register value as signed int.
*/
-int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+static int snd_soc_read_signed(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int mask, unsigned int shift, unsigned int sign_bit)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int reg_val, val, mux;
+ int ret;
+ unsigned int val;
- 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;
- }
+ val = (snd_soc_read(codec, reg) >> shift) & mask;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double);
+ if (!sign_bit)
+ return val;
-/**
- * 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 int val;
- unsigned int mask;
+ /* non-negative number */
+ if (!(val & BIT(sign_bit)))
+ return val;
- 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;
- }
+ ret = val;
- return snd_soc_update_bits_locked(codec, e->reg, mask, val);
+ /*
+ * The register most probably does not contain a full-sized int.
+ * Instead we have an arbitrary number of bits in a signed
+ * representation which has to be translated into a full-sized int.
+ * This is done by filling up all bits above the sign-bit.
+ */
+ ret |= ~((int)(BIT(sign_bit) - 1));
+
+ return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
/**
* snd_soc_info_volsw - single mixer info callback
uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max;
+ uinfo->value.integer.max = platform_max - mc->min;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
int max = mc->max;
+ int min = mc->min;
+ int sign_bit = mc->sign_bit;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
- ucontrol->value.integer.value[0] =
- (snd_soc_read(codec, reg) >> shift) & mask;
+ if (sign_bit)
+ mask = BIT(sign_bit + 1) - 1;
+
+ ucontrol->value.integer.value[0] = snd_soc_read_signed(codec, reg, mask,
+ shift, sign_bit) - min;
if (invert)
ucontrol->value.integer.value[0] =
max - ucontrol->value.integer.value[0];
if (snd_soc_volsw_is_stereo(mc)) {
if (reg == reg2)
ucontrol->value.integer.value[1] =
- (snd_soc_read(codec, reg) >> rshift) & mask;
+ snd_soc_read_signed(codec, reg, mask, rshift,
+ sign_bit) - min;
else
ucontrol->value.integer.value[1] =
- (snd_soc_read(codec, reg2) >> shift) & mask;
+ snd_soc_read_signed(codec, reg2, mask, shift,
+ sign_bit) - min;
if (invert)
ucontrol->value.integer.value[1] =
max - ucontrol->value.integer.value[1];
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
int max = mc->max;
+ int min = mc->min;
+ unsigned int sign_bit = mc->sign_bit;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
int err;
- bool type_2r = 0;
+ bool type_2r = false;
unsigned int val2 = 0;
unsigned int val, val_mask;
- val = (ucontrol->value.integer.value[0] & mask);
+ if (sign_bit)
+ mask = BIT(sign_bit + 1) - 1;
+
+ val = ((ucontrol->value.integer.value[0] + min) & mask);
if (invert)
val = max - val;
val_mask = mask << shift;
val = val << shift;
if (snd_soc_volsw_is_stereo(mc)) {
- val2 = (ucontrol->value.integer.value[1] & mask);
+ val2 = ((ucontrol->value.integer.value[1] + min) & mask);
if (invert)
val2 = max - val2;
if (reg == reg2) {
val |= val2 << rshift;
} else {
val2 = val2 << shift;
- type_2r = 1;
+ type_2r = true;
}
}
err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
struct soc_bytes *params = (void *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int ret, len;
- unsigned int val;
+ unsigned int val, mask;
void *data;
if (!codec->using_regmap)
((u8 *)data)[0] |= val;
break;
case 2:
- ((u16 *)data)[0] &= cpu_to_be16(~params->mask);
- ((u16 *)data)[0] |= cpu_to_be16(val);
+ mask = ~params->mask;
+ ret = regmap_parse_val(codec->control_data,
+ &mask, &mask);
+ if (ret != 0)
+ goto out;
+
+ ((u16 *)data)[0] &= mask;
+
+ ret = regmap_parse_val(codec->control_data,
+ &val, &val);
+ if (ret != 0)
+ goto out;
+
+ ((u16 *)data)[0] |= val;
break;
case 4:
- ((u32 *)data)[0] &= cpu_to_be32(~params->mask);
- ((u32 *)data)[0] |= cpu_to_be32(val);
+ mask = ~params->mask;
+ ret = regmap_parse_val(codec->control_data,
+ &mask, &mask);
+ if (ret != 0)
+ goto out;
+
+ ((u32 *)data)[0] &= mask;
+
+ ret = regmap_parse_val(codec->control_data,
+ &val, &val);
+ if (ret != 0)
+ goto out;
+
+ ((u32 *)data)[0] |= val;
break;
default:
ret = -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
- * snd_soc_of_xlate_tdm_slot - generate tx/rx slot mask.
+/**
- static int snd_soc_of_xlate_tdm_slot_mask(unsigned int slots,
+ + * snd_soc_xlate_tdm_slot - generate tx/rx slot mask.
+ * @slots: Number of slots in use.
+ * @tx_mask: bitmask representing active TX slots.
+ * @rx_mask: bitmask representing active RX slots.
+ *
+ * Generates the TDM tx and rx slot default masks for DAI.
+ */
+ +static int snd_soc_xlate_tdm_slot_mask(unsigned int slots,
+ unsigned int *tx_mask,
+ unsigned int *rx_mask)
+{
+ if (*tx_mask || *rx_mask)
+ return 0;
+
+ if (!slots)
+ return -EINVAL;
+
+ *tx_mask = (1 << slots) - 1;
+ *rx_mask = (1 << slots) - 1;
+
+ return 0;
+}
+
/**
* snd_soc_dai_set_tdm_slot - configure DAI TDM.
* @dai: DAI
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
{
- if (dai->driver && dai->driver->ops->of_xlate_tdm_slot_mask)
- dai->driver->ops->of_xlate_tdm_slot_mask(slots,
+ + if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask)
+ + dai->driver->ops->xlate_tdm_slot_mask(slots,
+ &tx_mask, &rx_mask);
+ else
- snd_soc_of_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
+ + snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
+
if (dai->driver && dai->driver->ops->set_tdm_slot)
return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
slots, slot_width);
else
- return -EINVAL;
+ return -ENOTSUPP;
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
}
/**
- * snd_soc_register_dai - Register a DAI with the ASoC core
+ * snd_soc_unregister_dai - Unregister DAIs from the ASoC core
*
- * @dai: DAI to register
+ * @component: The component for which the DAIs should be unregistered
*/
-static int snd_soc_register_dai(struct device *dev,
- struct snd_soc_dai_driver *dai_drv)
+static void snd_soc_unregister_dais(struct snd_soc_component *component)
{
- struct snd_soc_codec *codec;
- struct snd_soc_dai *dai;
+ struct snd_soc_dai *dai, *_dai;
- dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev));
-
- dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
- if (dai == NULL)
- return -ENOMEM;
-
- /* create DAI component name */
- dai->name = fmt_single_name(dev, &dai->id);
- if (dai->name == NULL) {
+ list_for_each_entry_safe(dai, _dai, &component->dai_list, list) {
+ dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n",
+ dai->name);
+ list_del(&dai->list);
+ kfree(dai->name);
kfree(dai);
- return -ENOMEM;
}
-
- dai->dev = dev;
- dai->driver = dai_drv;
- dai->dapm.dev = dev;
- if (!dai->driver->ops)
- dai->driver->ops = &null_dai_ops;
-
- mutex_lock(&client_mutex);
-
- list_for_each_entry(codec, &codec_list, list) {
- if (codec->dev == dev) {
- dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n",
- dai->name, codec->name);
- dai->codec = codec;
- break;
- }
- }
-
- if (!dai->codec)
- dai->dapm.idle_bias_off = 1;
-
- list_add(&dai->list, &dai_list);
-
- mutex_unlock(&client_mutex);
-
- dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
-
- return 0;
-}
-
-/**
- * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
- *
- * @dai: DAI to unregister
- */
-static void snd_soc_unregister_dai(struct device *dev)
-{
- struct snd_soc_dai *dai;
-
- list_for_each_entry(dai, &dai_list, list) {
- if (dev == dai->dev)
- goto found;
- }
- return;
-
-found:
- mutex_lock(&client_mutex);
- list_del(&dai->list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name);
- kfree(dai->name);
- kfree(dai);
}
/**
- * snd_soc_register_dais - Register multiple DAIs with the ASoC core
+ * snd_soc_register_dais - Register a DAI with the ASoC core
*
- * @dai: Array of DAIs to register
+ * @component: The component the DAIs are registered for
+ * @codec: The CODEC that the DAIs are registered for, NULL if the component is
+ * not a CODEC.
+ * @dai_drv: DAI driver to use for the DAIs
* @count: Number of DAIs
+ * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the
+ * parent's name.
*/
-static int snd_soc_register_dais(struct device *dev,
- struct snd_soc_dai_driver *dai_drv, size_t count)
+static int snd_soc_register_dais(struct snd_soc_component *component,
+ struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv,
+ size_t count, bool legacy_dai_naming)
{
- struct snd_soc_codec *codec;
+ struct device *dev = component->dev;
struct snd_soc_dai *dai;
- int i, ret = 0;
+ unsigned int i;
+ int ret;
dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
goto err;
}
- /* create DAI component name */
- dai->name = fmt_multiple_name(dev, &dai_drv[i]);
+ /*
+ * Back in the old days when we still had component-less DAIs,
+ * instead of having a static name, component-less DAIs would
+ * inherit the name of the parent device so it is possible to
+ * register multiple instances of the DAI. We still need to keep
+ * the same naming style even though those DAIs are not
+ * component-less anymore.
+ */
+ if (count == 1 && legacy_dai_naming) {
+ dai->name = fmt_single_name(dev, &dai->id);
+ } else {
+ dai->name = fmt_multiple_name(dev, &dai_drv[i]);
+ if (dai_drv[i].id)
+ dai->id = dai_drv[i].id;
+ else
+ dai->id = i;
+ }
if (dai->name == NULL) {
kfree(dai);
- ret = -EINVAL;
+ ret = -ENOMEM;
goto err;
}
+ dai->component = component;
+ dai->codec = codec;
dai->dev = dev;
dai->driver = &dai_drv[i];
- if (dai->driver->id)
- dai->id = dai->driver->id;
- else
- dai->id = i;
dai->dapm.dev = dev;
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;
- mutex_lock(&client_mutex);
-
- list_for_each_entry(codec, &codec_list, list) {
- if (codec->dev == dev) {
- dev_dbg(dev,
- "ASoC: Mapped DAI %s to CODEC %s\n",
- dai->name, codec->name);
- dai->codec = codec;
- break;
- }
- }
-
if (!dai->codec)
dai->dapm.idle_bias_off = 1;
- list_add(&dai->list, &dai_list);
-
- mutex_unlock(&client_mutex);
+ list_add(&dai->list, &component->dai_list);
- dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name);
+ dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
}
return 0;
err:
- for (i--; i >= 0; i--)
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_dais(component);
return ret;
}
-/**
- * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
- *
- * @dai: Array of DAIs to unregister
- * @count: Number of DAIs
- */
-static void snd_soc_unregister_dais(struct device *dev, size_t count)
-{
- int i;
-
- for (i = 0; i < count; i++)
- snd_soc_unregister_dai(dev);
-}
-
/**
* snd_soc_register_component - Register a component with the ASoC core
*
__snd_soc_register_component(struct device *dev,
struct snd_soc_component *cmpnt,
const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_codec *codec,
struct snd_soc_dai_driver *dai_drv,
int num_dai, bool allow_single_dai)
{
cmpnt->driver = cmpnt_drv;
cmpnt->dai_drv = dai_drv;
cmpnt->num_dai = num_dai;
+ INIT_LIST_HEAD(&cmpnt->dai_list);
- /*
- * snd_soc_register_dai() uses fmt_single_name(), and
- * snd_soc_register_dais() uses fmt_multiple_name()
- * for dai->name which is used for name based matching
- *
- * this function is used from cpu/codec.
- * allow_single_dai flag can ignore "codec" driver reworking
- * since it had been used snd_soc_register_dais(),
- */
- if ((1 == num_dai) && allow_single_dai)
- ret = snd_soc_register_dai(dev, dai_drv);
- else
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai,
+ allow_single_dai);
if (ret < 0) {
dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
goto error_component_name;
return -ENOMEM;
}
- return __snd_soc_register_component(dev, cmpnt, cmpnt_drv,
+ cmpnt->ignore_pmdown_time = true;
+
+ return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL,
dai_drv, num_dai, true);
}
EXPORT_SYMBOL_GPL(snd_soc_register_component);
return;
found:
- snd_soc_unregister_dais(dev, cmpnt->num_dai);
+ snd_soc_unregister_dais(cmpnt);
mutex_lock(&client_mutex);
list_del(&cmpnt->list);
codec->volatile_register = codec_drv->volatile_register;
codec->readable_register = codec_drv->readable_register;
codec->writable_register = codec_drv->writable_register;
- codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time;
+ codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
codec->dapm.bias_level = SND_SOC_BIAS_OFF;
codec->dapm.dev = dev;
codec->dapm.codec = codec;
/* register component */
ret = __snd_soc_register_component(dev, &codec->component,
&codec_drv->component_driver,
- dai_drv, num_dai, false);
+ codec, dai_drv, num_dai, false);
if (ret < 0) {
dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
goto fail_codec_name;
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name);
+static const struct snd_soc_dapm_widget simple_widgets[] = {
+ SND_SOC_DAPM_MIC("Microphone", NULL),
+ SND_SOC_DAPM_LINE("Line", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
+ const char *propname)
+{
+ struct device_node *np = card->dev->of_node;
+ struct snd_soc_dapm_widget *widgets;
+ const char *template, *wname;
+ int i, j, num_widgets, ret;
+
+ num_widgets = of_property_count_strings(np, propname);
+ if (num_widgets < 0) {
+ dev_err(card->dev,
+ "ASoC: Property '%s' does not exist\n", propname);
+ return -EINVAL;
+ }
+ if (num_widgets & 1) {
+ dev_err(card->dev,
+ "ASoC: Property '%s' length is not even\n", propname);
+ return -EINVAL;
+ }
+
+ num_widgets /= 2;
+ if (!num_widgets) {
+ dev_err(card->dev, "ASoC: Property '%s's length is zero\n",
+ propname);
+ return -EINVAL;
+ }
+
+ widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets),
+ GFP_KERNEL);
+ if (!widgets) {
+ dev_err(card->dev,
+ "ASoC: Could not allocate memory for widgets\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < num_widgets; i++) {
+ ret = of_property_read_string_index(np, propname,
+ 2 * i, &template);
+ if (ret) {
+ dev_err(card->dev,
+ "ASoC: Property '%s' index %d read error:%d\n",
+ propname, 2 * i, ret);
+ return -EINVAL;
+ }
+
+ for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) {
+ if (!strncmp(template, simple_widgets[j].name,
+ strlen(simple_widgets[j].name))) {
+ widgets[i] = simple_widgets[j];
+ break;
+ }
+ }
+
+ if (j >= ARRAY_SIZE(simple_widgets)) {
+ dev_err(card->dev,
+ "ASoC: DAPM widget '%s' is not supported\n",
+ template);
+ return -EINVAL;
+ }
+
+ ret = of_property_read_string_index(np, propname,
+ (2 * i) + 1,
+ &wname);
+ if (ret) {
+ dev_err(card->dev,
+ "ASoC: Property '%s' index %d read error:%d\n",
+ propname, (2 * i) + 1, ret);
+ return -EINVAL;
+ }
+
+ widgets[i].name = wname;
+ }
+
+ card->dapm_widgets = widgets;
+ card->num_dapm_widgets = num_widgets;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets);
+
+int snd_soc_of_parse_tdm_slot(struct device_node *np,
+ unsigned int *slots,
+ unsigned int *slot_width)
+{
+ u32 val;
+ int ret;
+
+ if (of_property_read_bool(np, "dai-tdm-slot-num")) {
+ ret = of_property_read_u32(np, "dai-tdm-slot-num", &val);
+ if (ret)
+ return ret;
+
+ if (slots)
+ *slots = val;
+ }
+
+ if (of_property_read_bool(np, "dai-tdm-slot-width")) {
+ ret = of_property_read_u32(np, "dai-tdm-slot-width", &val);
+ if (ret)
+ return ret;
+
+ if (slot_width)
+ *slot_width = val;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot);
+
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname)
{
projects / linux-2.6-microblaze.git / commitdiff