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audio: Add i2s_getmclkfrequency function

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Rename i2s_mclkfrequency to i2s_setmclkfrequency and add i2s_getmclkfrequency for getting the current MCLK frequency from the I2S interface
This commit is contained in:
Lucas Saavedra Vaz 2023-05-04 14:45:10 -03:00 committed by Alan Carvalho de Assis
parent fcba68513d
commit a5a3b919a0
5 changed files with 99 additions and 28 deletions
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41
arch/xtensa/src/esp32/esp32_i2s.c
View file

@ -339,7 +339,9 @@ static void i2s_rx_schedule(struct esp32_i2s_s *priv,
static uint32_t i2s_set_datawidth(struct esp32_i2s_s *priv);
static uint32_t i2s_set_clock(struct esp32_i2s_s *priv);
static uint32_t i2s_mclkfrequency(struct i2s_dev_s *dev, uint32_t frequency);
static uint32_t i2s_getmclkfrequency(struct i2s_dev_s *dev);
static uint32_t i2s_setmclkfrequency(struct i2s_dev_s *dev,
uint32_t frequency);
static int i2s_ioctl(struct i2s_dev_s *dev, int cmd, unsigned long arg);
#ifdef I2S_HAVE_TX
@ -385,7 +387,8 @@ static const struct i2s_ops_s g_i2sops =
#endif /* I2S_HAVE_RX */
.i2s_ioctl = i2s_ioctl,
.i2s_mclkfrequency = i2s_mclkfrequency,
.i2s_getmclkfrequency = i2s_getmclkfrequency,
.i2s_setmclkfrequency = i2s_setmclkfrequency,
};
#ifdef CONFIG_ESP32_I2S0
@ -1654,7 +1657,7 @@ static void i2s_configure(struct esp32_i2s_s *priv)
* by the number of bytes from a sample, i.e, for 24 bits, the
* multiplier should be divisible by 3. NOTE: the MCLK frequency can
* be adjusted on runtime, so this value remains valid only if the
* upper half does not implement the `i2s_mclkfrequency` method.
* upper half does not implement the `i2s_setmclkfrequency` method.
*/
if (priv->config->data_width == I2S_DATA_BIT_WIDTH_24BIT)
@ -1666,7 +1669,7 @@ static void i2s_configure(struct esp32_i2s_s *priv)
priv->mclk_multiple = I2S_MCLK_MULTIPLE_256;
}
i2s_mclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
i2s_setmclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
priv->mclk_multiple));
priv->rate = priv->config->rate;
@ -1774,7 +1777,7 @@ static void i2s_configure(struct esp32_i2s_s *priv)
* by the number of bytes from a sample, i.e, for 24 bits, the
* multiplier should be divisible by 3. NOTE: the MCLK frequency can
* be adjusted on runtime, so this value remains valid only if the
* upper half does not implement the `i2s_mclkfrequency` method.
* upper half does not implement the `i2s_setmclkfrequency` method.
*/
if (priv->config->data_width == I2S_DATA_BIT_WIDTH_24BIT)
@ -1786,7 +1789,7 @@ static void i2s_configure(struct esp32_i2s_s *priv)
priv->mclk_multiple = I2S_MCLK_MULTIPLE_256;
}
i2s_mclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
i2s_setmclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
priv->mclk_multiple));
priv->rate = priv->config->rate;
@ -2305,7 +2308,28 @@ static int i2s_interrupt(int irq, void *context, void *arg)
}
/****************************************************************************
* Name: i2s_mclkfrequency
* Name: i2s_getmclkfrequency
*
* Description:
* Get the current master clock frequency.
*
* Input Parameters:
* dev - Device-specific state data
*
* Returned Value:
* Returns the current master clock.
*
****************************************************************************/
static uint32_t i2s_getmclkfrequency(struct i2s_dev_s *dev)
{
struct esp32_i2s_s *priv = (struct esp32_i2s_s *)dev;
return priv->mclk_freq;
}
/****************************************************************************
* Name: i2s_setmclkfrequency
*
* Description:
* Set the master clock frequency. Usually, the MCLK is a multiple of the
@ -2321,7 +2345,8 @@ static int i2s_interrupt(int irq, void *context, void *arg)
*
****************************************************************************/
static uint32_t i2s_mclkfrequency(struct i2s_dev_s *dev, uint32_t frequency)
static uint32_t i2s_setmclkfrequency(struct i2s_dev_s *dev,
uint32_t frequency)
{
struct esp32_i2s_s *priv = (struct esp32_i2s_s *)dev;

41
arch/xtensa/src/esp32s2/esp32s2_i2s.c
View file

@ -323,7 +323,9 @@ static void i2s_rx_schedule(struct esp32s2_i2s_s *priv,
static uint32_t i2s_set_datawidth(struct esp32s2_i2s_s *priv);
static uint32_t i2s_set_clock(struct esp32s2_i2s_s *priv);
static uint32_t i2s_mclkfrequency(struct i2s_dev_s *dev, uint32_t frequency);
static uint32_t i2s_getmclkfrequency(struct i2s_dev_s *dev);
static uint32_t i2s_setmclkfrequency(struct i2s_dev_s *dev,
uint32_t frequency);
static int i2s_ioctl(struct i2s_dev_s *dev, int cmd, unsigned long arg);
#ifdef I2S_HAVE_TX
@ -369,7 +371,8 @@ static const struct i2s_ops_s g_i2sops =
#endif /* I2S_HAVE_RX */
.i2s_ioctl = i2s_ioctl,
.i2s_mclkfrequency = i2s_mclkfrequency,
.i2s_getmclkfrequency = i2s_getmclkfrequency,
.i2s_setmclkfrequency = i2s_setmclkfrequency,
};
#ifdef CONFIG_ESP32S2_I2S
@ -1455,7 +1458,7 @@ static void i2s_configure(struct esp32s2_i2s_s *priv)
* by the number of bytes from a sample, i.e, for 24 bits, the
* multiplier should be divisible by 3. NOTE: the MCLK frequency can
* be adjusted on runtime, so this value remains valid only if the
* upper half does not implement the `i2s_mclkfrequency` method.
* upper half does not implement the `i2s_setmclkfrequency` method.
*/
if (priv->config->data_width == I2S_DATA_BIT_WIDTH_24BIT)
@ -1467,7 +1470,7 @@ static void i2s_configure(struct esp32s2_i2s_s *priv)
priv->mclk_multiple = I2S_MCLK_MULTIPLE_256;
}
i2s_mclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
i2s_setmclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
priv->mclk_multiple));
priv->rate = priv->config->rate;
@ -1556,7 +1559,7 @@ static void i2s_configure(struct esp32s2_i2s_s *priv)
* by the number of bytes from a sample, i.e, for 24 bits, the
* multiplier should be divisible by 3. NOTE: the MCLK frequency can
* be adjusted on runtime, so this value remains valid only if the
* upper half does not implement the `i2s_mclkfrequency` method.
* upper half does not implement the `i2s_setmclkfrequency` method.
*/
if (priv->config->data_width == I2S_DATA_BIT_WIDTH_24BIT)
@ -1568,7 +1571,7 @@ static void i2s_configure(struct esp32s2_i2s_s *priv)
priv->mclk_multiple = I2S_MCLK_MULTIPLE_256;
}
i2s_mclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
i2s_setmclkfrequency((struct i2s_dev_s *)priv, (priv->config->rate *
priv->mclk_multiple));
priv->rate = priv->config->rate;
@ -2054,7 +2057,28 @@ static int i2s_interrupt(int irq, void *context, void *arg)
}
/****************************************************************************
* Name: i2s_mclkfrequency
* Name: i2s_getmclkfrequency
*
* Description:
* Get the current master clock frequency.
*
* Input Parameters:
* dev - Device-specific state data
*
* Returned Value:
* Returns the current master clock.
*
****************************************************************************/
static uint32_t i2s_getmclkfrequency(struct i2s_dev_s *dev)
{
struct esp32s2_i2s_s *priv = (struct esp32s2_i2s_s *)dev;
return priv->mclk_freq;
}
/****************************************************************************
* Name: i2s_setmclkfrequency
*
* Description:
* Set the master clock frequency. Usually, the MCLK is a multiple of the
@ -2070,7 +2094,8 @@ static int i2s_interrupt(int irq, void *context, void *arg)
*
****************************************************************************/
static uint32_t i2s_mclkfrequency(struct i2s_dev_s *dev, uint32_t frequency)
static uint32_t i2s_setmclkfrequency(struct i2s_dev_s *dev,
uint32_t frequency)
{
struct esp32s2_i2s_s *priv = (struct esp32s2_i2s_s *)dev;

2
drivers/audio/cs4344.c
View file

@ -278,7 +278,7 @@ static int cs4344_setmclkfrequency(FAR struct cs4344_dev_s *priv)
if (priv->mclk_freq != 0)
{
ret = I2S_MCLKFREQUENCY(priv->i2s, priv->mclk_freq);
ret = I2S_SETMCLKFREQUENCY(priv->i2s, priv->mclk_freq);
}
else
{

2
drivers/audio/es8388.c
View file

@ -527,7 +527,7 @@ static void es8388_setmclkfrequency(FAR struct es8388_dev_s *priv)
{
audinfo("MCLK Freq: %u\n", priv->mclk);
int ret = I2S_MCLKFREQUENCY(priv->i2s, priv->mclk);
int ret = I2S_SETMCLKFREQUENCY(priv->i2s, priv->mclk);
if (ret < 0)
{

31
include/nuttx/audio/i2s.h
View file

@ -226,7 +226,27 @@
((d)->ops->i2s_send ? (d)->ops->i2s_send(d,b,c,a,t) : -ENOTTY)
/****************************************************************************
* Name: I2S_MCLKFREQUENCY
* Name: I2S_GETMCLKFREQUENCY
*
* Description:
* Get the current master clock frequency. NOTE: this parameter may not
* be implemented on I2S driver. If not implemented, the I2S may set
* internally any value to the master clock (or even does not support it).
*
* Input Parameters:
* dev - Device-specific state data
*
* Returned Value:
* Returns the current master clock.
*
****************************************************************************/
#define I2S_GETMCLKFREQUENCY(d) \
((d)->ops->i2s_getmclkfrequency ? \
(d)->ops->i2s_getmclkfrequency(d) : -ENOTTY)
/****************************************************************************
* Name: I2S_SETMCLKFREQUENCY
*
* Description:
* Set the master clock frequency. Usually, the MCLK is a multiple of the
@ -244,9 +264,9 @@
*
****************************************************************************/
#define I2S_MCLKFREQUENCY(d,f) \
((d)->ops->i2s_mclkfrequency ? \
(d)->ops->i2s_mclkfrequency(d,f) : -ENOTTY)
#define I2S_SETMCLKFREQUENCY(d,f) \
((d)->ops->i2s_setmclkfrequency ? \
(d)->ops->i2s_setmclkfrequency(d,f) : -ENOTTY)
/****************************************************************************
* Name: I2S_IOCTL
@ -311,7 +331,8 @@ struct i2s_ops_s
/* Master Clock methods */
CODE uint32_t (*i2s_mclkfrequency)(FAR struct i2s_dev_s *dev,
CODE uint32_t (*i2s_getmclkfrequency)(FAR struct i2s_dev_s *dev);
CODE uint32_t (*i2s_setmclkfrequency)(FAR struct i2s_dev_s *dev,
uint32_t frequency);
/* Ioctl */