nuttx/boards/arm/cxd56xx/drivers/audio/Kconfig

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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
comment "Audio Options"
menuconfig CXD56_AUDIO
bool "CXD56 Audio Driver"
default n
if CXD56_AUDIO
config CXD56_I2S0
bool "I2S0"
default y
---help---
Enable I2S channel 0
config CXD56_I2S1
bool "I2S1"
default n
---help---
Enable I2S channel 1
menu "Audio baseband config settings"
choice
prompt "Audio analog block selection"
default CXD56_AUDIO_ANALOG_CXD5247
config CXD56_AUDIO_ANALOG_CXD5247
bool "CXD5247"
config CXD56_AUDIO_ANALOG_NONE
bool "System does not use audio analog block"
endchoice
if CXD56_AUDIO_ANALOG_CXD5247
menu "CXD5247 settings"
choice
prompt "X'tal frequency of the CXD5247"
default CXD56_AUDIO_XTAL_SEL_49_152MHZ
config CXD56_AUDIO_XTAL_SEL_24_576MHZ
bool "24.576MHz"
config CXD56_AUDIO_XTAL_SEL_49_152MHZ
bool "49.152MHz"
endchoice
choice
prompt "MICBIAS voltage of the CXD5247"
default CXD56_AUDIO_MICBIAS_20V
config CXD56_AUDIO_MICBIAS_20V
bool "2.0V"
config CXD56_AUDIO_MICBIAS_28V
bool "2.8V"
endchoice
config CXD56_AUDIO_MIC_CHANNEL_SEL
hex "MIC channel select map"
default 0xFFFF4321
range 0 0xFFFFFFFF
---help---
This designates microphone input of the CXD5247 in matrix format.
One microphone can be assigned to multiple channels (CHs.)
(Example: When DMA transfer is performed in monaural mode,
AMIC1 is assigned to CH1 and CH2 and the same audio data is
transferred to the each channel)
choice
prompt "Output drive strength of MCLKOUT selection"
default CXD56_AUDIO_MCLKOUT_WEAKEST
config CXD56_AUDIO_MCLKOUT_WEAKEST
bool "2mA"
config CXD56_AUDIO_MCLKOUT_WEAKER
bool "4mA"
config CXD56_AUDIO_MCLKOUT_STRONGER
bool "6mA"
config CXD56_AUDIO_MCLKOUT_STRONGEST
bool "8mA"
endchoice
choice
prompt "Output drive strength of CLKOUT_DMIC selection"
default CXD56_AUDIO_CLKOUT_DMIC_WEAKEST
config CXD56_AUDIO_CLKOUT_DMIC_WEAKEST
bool "2mA"
config CXD56_AUDIO_CLKOUT_DMIC_WEAKER
bool "4mA"
config CXD56_AUDIO_CLKOUT_DMIC_STRONGER
bool "6mA"
config CXD56_AUDIO_CLKOUT_DMIC_STRONGEST
bool "8mA"
endchoice
choice
prompt "Output drive strength of DA_DATA selection"
default CXD56_AUDIO_DA_DATA_WEAKEST
config CXD56_AUDIO_DA_DATA_WEAKEST
bool "2mA"
config CXD56_AUDIO_DA_DATA_WEAKER
bool "4mA"
config CXD56_AUDIO_DA_DATA_STRONGER
bool "6mA"
config CXD56_AUDIO_DA_DATA_STRONGEST
bool "8mA"
endchoice
choice
prompt "Output drive strength of GPO_A selection"
default CXD56_AUDIO_GPO_A_WEAKEST
config CXD56_AUDIO_GPO_A_WEAKEST
bool "2mA"
config CXD56_AUDIO_GPO_A_WEAKER
bool "4mA"
config CXD56_AUDIO_GPO_A_STRONGER
bool "6mA"
config CXD56_AUDIO_GPO_A_STRONGEST
bool "8mA"
endchoice
choice
prompt "Input source of Cascaded Integrator-Comb filter selection"
default CXD56_AUDIO_CIC_IN_SEL_CXD
config CXD56_AUDIO_CIC_IN_SEL_CXD
bool "from CXD5247"
config CXD56_AUDIO_CIC_IN_SEL_DMIC
bool "from DMIC"
config CXD56_AUDIO_CIC_IN_SEL_NONE
bool "No Cascaded Integrator-Comb filter input"
endchoice
choice
prompt "Drive currents of PDM signals"
default CXD56_AUDIO_PDM_LOWEMI_2MA
config CXD56_AUDIO_PDM_LOWEMI_2MA
bool "2mA"
config CXD56_AUDIO_PDM_LOWEMI_4MA
bool "4mA"
endchoice
choice
prompt "HPADC mic bias selection"
default CXD56_AUDIO_HPADC_MIC_BIAS_OFF
---help---
This setting depends on a circuit board configration.
Set "Microphone bias is enabled" when a microphone connected to
HPADC should be applied with voltage from the CXD5247.
Otherwise, set "Microphone bias is disabled".
config CXD56_AUDIO_HPADC_MIC_BIAS_ON
bool "Microphone bias is enabled"
config CXD56_AUDIO_HPADC_MIC_BIAS_OFF
bool "Microphone bias is disabled"
endchoice
choice
prompt "Version of the CXD5247"
default CXD56_CXD5247_VER_ES4
config CXD56_CXD5247_VER_ES2
bool "ES Version 2.0"
config CXD56_CXD5247_VER_ES3
bool "ES Version 3.0"
config CXD56_CXD5247_VER_ES4
bool "ES Version 4.0"
endchoice
if CXD56_CXD5247_VER_ES4
choice
prompt "Speaker time split on drive selection"
default CXD56_AUDIO_SP_SPLIT_SHORTEST
config CXD56_AUDIO_SP_SPLIT_SHORTEST
bool "shortest"
config CXD56_AUDIO_SP_SPLIT_SHORT
bool "short"
config CXD56_AUDIO_SP_SPLIT_LONG
bool "long"
config CXD56_AUDIO_SP_SPLIT_LONGEST
bool "longest"
endchoice
choice
prompt "Speaker drive mode selection"
default CXD56_AUDIO_SP_DRV_LINEOUT
config CXD56_AUDIO_SP_DRV_4DRIVERT
bool "4Driver(SPK)"
config CXD56_AUDIO_SP_DRV_2DRIVERT
bool "2Driver"
config CXD56_AUDIO_SP_DRV_1DRIVERT
bool "1Driver(HP)"
config CXD56_AUDIO_SP_DRV_LINEOUT
bool "Lineout"
endchoice
endif # CXD56_CXD5247_VER_ES4
endmenu
endif # CXD56_AUDIO_ANALOG_CXD5247
menu "I2S settings"
if CXD56_I2S0
choice
prompt "I2S0 device mode selection"
default CXD56_AUDIO_I2S_DEVICE_1_SLAVE
---help---
This designates ports and clock modes that are connected
as interfaces for PCM signal input and output.
config CXD56_AUDIO_I2S_DEVICE_1_SLAVE
bool "I2S0 Slave mode"
config CXD56_AUDIO_I2S_DEVICE_1_MASTER
bool "I2S0 Master mode"
endchoice
choice
prompt "I2S0 format type selection"
default CXD56_AUDIO_I2S_FORMAT_1_I2S
---help---
This designates the format of PCM signals on I2S.
config CXD56_AUDIO_I2S_FORMAT_1_I2S
bool "I2S format"
config CXD56_AUDIO_I2S_FORMAT_1_LEFT
bool "Left Justified format"
endchoice
choice
prompt "I2S0 bypass mode selection"
default CXD56_AUDIO_I2S_BYPASS_MODE_1_DISABLE
---help---
This designates the bypass mode of the sampling rate converter.
To improve sound quality, set it to "Enable".
The bypass mode can be enable when audio clk_mode is Hi-Res mode,
and I2S device mode is master mode and rate is 192kHz(192000).
config CXD56_AUDIO_I2S_BYPASS_MODE_1_ENABLE
bool "Enable bypass"
config CXD56_AUDIO_I2S_BYPASS_MODE_1_DISABLE
bool "Disable bypass"
endchoice
config CXD56_AUDIO_I2S_RATE_1
int "I2S0 data rate"
default 48000
range 48000 192000
---help---
This designates input and output data rate of I2S.
The maximum rate is 192000.
endif # CXD56_I2S0
if CXD56_I2S1
choice
prompt "I2S1 device mode selection"
default CXD56_AUDIO_I2S_DEVICE_2_SLAVE
---help---
This designates ports and clock modes that are connected
as interfaces for PCM signal input and output.
config CXD56_AUDIO_I2S_DEVICE_2_SLAVE
bool "I2S1 Slave mode"
config CXD56_AUDIO_I2S_DEVICE_2_MASTER
bool "I2S1 Master mode"
endchoice
choice
prompt "I2S1 format type selection"
default CXD56_AUDIO_I2S_FORMAT_2_I2S
---help---
This designates the format of PCM signals on I2S0.
config CXD56_AUDIO_I2S_FORMAT_2_I2S
bool "I2S format"
config CXD56_AUDIO_I2S_FORMAT_2_LEFT
bool "Left Justified format"
endchoice
choice
prompt "I2S1 bypass mode selection"
default CXD56_AUDIO_I2S_BYPASS_MODE_2_DISABLE
---help---
This designates the bypass mode of the sampling rate converter.
To improve sound quality, set it to "Enable".
The bypass mode can be enable when audio clk_mode is Hi-Res mode,
and I2S device mode is master mode and rate is 192kHz(192000).
config CXD56_AUDIO_I2S_BYPASS_MODE_2_ENABLE
bool "Enable bypass"
config CXD56_AUDIO_I2S_BYPASS_MODE_2_DISABLE
bool "Disable bypass"
endchoice
config CXD56_AUDIO_I2S_RATE_2
int "I2S1 data rate"
default 48000
range 48000 192000
---help---
This designates input and output data rate of I2S1.
The maximum rate is 192000.
endif # CXD56_I2S1
choice
prompt "Drive currents of I2S signals"
default CXD56_AUDIO_I2S_LOWEMI_2MA
config CXD56_AUDIO_I2S_LOWEMI_2MA
bool "2mA"
config CXD56_AUDIO_I2S_LOWEMI_4MA
bool "4mA"
endchoice
endmenu
choice
prompt "ON/OFF of Automatic Level Control/Sound Pressure Counter selection"
default CXD56_AUDIO_ALC_SPC_SEL_OFF
config CXD56_AUDIO_ALC_SPC_SEL_OFF
bool "All OFF"
config CXD56_AUDIO_ALC_SPC_SEL_ALC
bool "Automatic Level Control ON"
config CXD56_AUDIO_ALC_SPC_SEL_SPC
bool "Sound Pressure Counter ON"
endchoice
if CXD56_AUDIO_ALC_SPC_SEL_ALC
menu "Automatic Level Control setting"
config CXD56_AUDIO_ALC_KNEE
int "Knee levels of Automatic Level Control.[(1/10)dB]"
default -40
range -635 0
---help---
This command sets integer values 10 times larger than knee levels of
Automatic Level Control. (step width: 0.5 dB) When a value within the
range in the table below with a number other than 0 or 5 in one's
place is designated, it will be regarded as a integer value round up
to zero or five in the one's place. For example, when "-24" is
designated, the value will be regarded as "-20".
config CXD56_AUDIO_ALC_TARGET
int "Target level of Automatic Level Control.[dB]"
default 0
range -63 0
endmenu
endif # CXD56_AUDIO_ALC_SPC_SEL_ALC
if CXD56_AUDIO_ALC_SPC_SEL_SPC
menu "Sound Pressure Conter setting"
config CXD56_AUDIO_SPC_LIMIT
int "Limit levels of Sound Pressure Counter.[(1/10)dB]"
default 0
range -250 0
---help---
This command sets integer values 10 times larger than limit levels of
Sound Pressure Counter. (step width: 0.5 dB) When a value within the
range in the table below with a number other than 0 or 5 in one's
place is designated, it will be regarded as a integer value round up
to zero or five in the one's place. For example, when "-24" is
designated, the value will be regarded as "-20".
endmenu
endif # CXD56_AUDIO_ALC_SPC_SEL_SPC
choice
prompt "LR data format during DMA transfer"
default CXD56_AUDIO_DMA_DATA_FORMAT_RL
---help---
This sets the data arrangement of left channel and right channel in
the data format for 16 bit DMA transfer.
config CXD56_AUDIO_DMA_DATA_FORMAT_LR
bool "allocate left channel data in most significant bit"
config CXD56_AUDIO_DMA_DATA_FORMAT_RL
bool "allocate right channel data in most significant bit"
endchoice
config CXD56_AUDIO_MIC_BOOT_WAIT
int "Wait time for mic booting.[msec]"
default 1100
range 0 65535
endmenu
endif # CXD56_AUDIO