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zephyr/drivers/bluetooth/hci/Kconfig
Jori Rintahaka 133f5bc3c2 drivers: bluetooth: hci: refactor silabs controller init 
Refactor the controller init to use the new init routines the
controller now provides. Instead of using a hardcoded set of
features, the features are now initialized based on Kconfig
values that the application selects.

Add config files under modules/hal_silabs, used by the controller
init routines in the external module hal_silabs to determine which
features to enable based on Kconfig options. This brings the
controller feature configurability to roughly parity with the
Simplicity SDK.

Signed-off-by: Jori Rintahaka <jori.rintahaka@silabs.com>
Signed-off-by: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>
2025-06-18 17:45:51 -04:00

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# Bluetooth drivers configuration options
# Copyright (c) 2016 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
comment "Bluetooth HCI Driver Options"
config BT_UART
bool
select SERIAL
select UART_INTERRUPT_DRIVEN
config BT_H4
bool "H:4 UART"
select BT_UART
default y
depends on DT_HAS_ZEPHYR_BT_HCI_UART_ENABLED
help
Bluetooth H:4 UART driver. Requires hardware flow control
lines to be available.
config BT_H5
bool "H:5 UART [EXPERIMENTAL]"
select BT_UART
select EXPERIMENTAL
default y
depends on DT_HAS_ZEPHYR_BT_HCI_3WIRE_UART_ENABLED
help
Bluetooth three-wire (H:5) UART driver. Implementation of HCI
Three-Wire UART Transport Layer.
config BT_HCI_IPC
bool
default y
depends on DT_HAS_ZEPHYR_BT_HCI_IPC_ENABLED
select BT_HAS_HCI_VS
select IPC_SERVICE
select MBOX
help
Bluetooth HCI driver for communication with another CPU
using the IPC subsystem.
config BT_HCI_IPC_SEND_RETRY_COUNT
int "HCI IPC send retry count"
depends on BT_HCI_IPC
default 3
help
Number of times to retry sending a message via IPC.
The retries occur in case of a failure to send a message
through IPC (-ENOMEM returned by ipc_service_send).
config BT_HCI_IPC_SEND_RETRY_DELAY_US
int "HCI IPC send retry delay (us)"
depends on BT_HCI_IPC
default 75
help
Delay in microseconds between retries when sending a message via IPC.
When a single tick (CONFIG_SYS_CLOCK_TICKS_PER_SEC) is bigger then
the retry delay the k_busy_wait function is used. Set with care.
config BT_HCI_IPC_ENDPOINT_BOUND_TIMEOUT_MS
int "HCI IPC binding timeout value in milliseconds"
depends on BT_HCI_IPC
default 2000
help
Timeout value that HCI will wait for an IPC endpoint to be bound,
in milliseconds.
config BT_SPI
bool
select SPI
help
Supports Bluetooth ICs using SPI as the communication protocol.
HCI packets are sent and received as single Byte transfers,
prepended after a known header. Headers may vary per device, so
additional platform specific knowledge may need to be added as
devices are.
config BT_SPI_INIT_PRIORITY
int "BT SPI init priority"
depends on BT_SPI
default 75
config BT_SPI_BOOT_TIMEOUT_SEC
int "Seconds to wait for SPI device to report ready"
depends on BT_SPI_ZEPHYR || BT_SPI_BLUENRG
default 30
help
Maximum duration for a HCI SPI Controller to report ready through the
Zephyr Project defined `EVT_BLUE_INITIALIZED` HCI vendor event.
Default is 30 seconds to support a bootloader image swap on the
Controller.
config BT_SPI_ZEPHYR
bool
default y
depends on DT_HAS_ZEPHYR_BT_HCI_SPI_ENABLED
select BT_SPI
help
Bluetooth HCI over SPI driver for communication with Bluetooth
controllers running Zephyr.
config BT_SPI_BLUENRG
bool
default y
depends on DT_HAS_ST_HCI_SPI_V1_ENABLED || DT_HAS_ST_HCI_SPI_V2_ENABLED
select BT_SPI
help
Bluetooth HCI over SPI driver for communication with
STMicroelectronics BlueNRG devices.
config BT_BLUENRG_ACI
bool "ACI message with BlueNRG-based devices"
depends on BT_SPI_BLUENRG
select BT_HCI_SET_PUBLIC_ADDR
help
Enable support for devices compatible with the BlueNRG Bluetooth
Stack. Current driver supports: ST BLUENRG-MS.
config BT_STM32_IPM
bool
default y
depends on DT_HAS_ST_STM32WB_RF_ENABLED
select USE_STM32_HAL_CORTEX
select HAS_STM32LIB
select BT_HCI_SETUP
help
TODO
config BT_STM32WBA
bool
default y
depends on DT_HAS_ST_HCI_STM32WBA_ENABLED
depends on ZEPHYR_HAL_STM32_MODULE_BLOBS
select HAS_STM32LIB
select BT_HCI_SET_PUBLIC_ADDR if !BT_HCI_RAW
help
ST STM32WBA HCI Bluetooth interface
config BT_STM32WB0
bool "STM32WB0 HCI driver"
default y
depends on DT_HAS_ST_HCI_STM32WB0_ENABLED
depends on ZEPHYR_HAL_STM32_MODULE_BLOBS
select HAS_STM32LIB
select USE_STM32_HAL_PKA
select USE_STM32_HAL_CORTEX
select USE_STM32_HAL_GPIO
select USE_STM32_HAL_RADIO
select USE_STM32_HAL_RADIO_TIMER
help
ST STM32WB0 HCI Bluetooth interface
config BT_SILABS_EFR32
bool "Silabs EFR32 HCI driver"
default y
depends on DT_HAS_SILABS_BT_HCI_EFR32_ENABLED
depends on ZEPHYR_HAL_SILABS_MODULE_BLOBS || BUILD_ONLY_NO_BLOBS
depends on !PM || SOC_GECKO_PM_BACKEND_PMGR
select SOC_GECKO_USE_RAIL
select MBEDTLS
select MBEDTLS_PSA_CRYPTO_C
select MBEDTLS_ENTROPY_C
select HAS_BT_CTLR
select BT_CTLR_PHY_UPDATE_SUPPORT
select BT_CTLR_PER_INIT_FEAT_XCHG_SUPPORT
select BT_CTLR_DATA_LEN_UPDATE_SUPPORT
select BT_CTLR_EXT_REJ_IND_SUPPORT
select BT_CTLR_CHAN_SEL_2_SUPPORT
select BT_CTLR_CONN_RSSI_SUPPORT
select BT_CTLR_ADV_EXT_SUPPORT
select BT_CTLR_PRIVACY_SUPPORT
help
Use Silicon Labs binary Bluetooth library to connect to the
controller.
source "drivers/bluetooth/hci/Kconfig.silabs"
config BT_SILABS_SIWX91X
bool "Silabs SiWx91x Bluetooth interface"
default y
depends on DT_HAS_SILABS_SIWX91X_BT_HCI_ENABLED
select WISECONNECT_NETWORK_STACK
select ENTROPY_GENERATOR
help
Use Silicon Labs Wiseconnect 3.x Bluetooth library to connect to the controller.
# SiWx917 BLE controller currently does not support HCI Command: Host Number of Completed Packets
configdefault BT_HCI_ACL_FLOW_CONTROL
default n if BT_SILABS_SIWX91X
config BT_USERCHAN
bool
depends on BOARD_NATIVE_SIM
default y
depends on DT_HAS_ZEPHYR_BT_HCI_USERCHAN_ENABLED
select NATIVE_USE_NSI_ERRNO
help
This driver provides access to the local Linux host's Bluetooth
adapter using a User Channel HCI socket to the Linux kernel. It
is only intended to be used with the native_sim[//64] build of Zephyr.
The Bluetooth adapter must be powered off in order for Zephyr to
be able to use it.
config BT_ESP32
bool
default y
depends on DT_HAS_ESPRESSIF_ESP32_BT_HCI_ENABLED
depends on ZEPHYR_HAL_ESPRESSIF_MODULE_BLOBS || BUILD_ONLY_NO_BLOBS
select HAS_BT_CTLR
select BT_CTLR_PRIVACY_SUPPORT
select BT_CTLR_EXT_SCAN_FP_SUPPORT
select BT_CTLR_DATA_LEN_UPDATE_SUPPORT
select BT_CTLR_ADV_EXT_SUPPORT if SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C3
select BT_CTLR_PHY_UPDATE_SUPPORT if SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C3
select BT_CTLR_EXT_REJ_IND_SUPPORT if SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C3
select BT_CTLR_PHY_2M_SUPPORT if SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C3
select BT_CTLR_CHAN_SEL_2_SUPPORT if SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C3
help
Espressif HCI bluetooth interface
config BT_PSOC6_BLESS
bool
default y
depends on DT_HAS_INFINEON_CAT1_BLESS_HCI_ENABLED
depends on ZEPHYR_HAL_INFINEON_MODULE_BLOBS
select BT_HCI_SETUP
help
PSOC 6 BLESS driver with BLE Controller which operates in
Single CPU mode.
config BT_DA1453X
bool "DA1453x HCI driver"
default y
depends on DT_HAS_RENESAS_BT_HCI_DA1453X_ENABLED
select GPIO
help
Bluetooth HCI driver for communication with controller
running on DA1453x MCU.
config BT_DA1469X
bool
default y
depends on DT_HAS_RENESAS_BT_HCI_DA1469X_ENABLED
help
Bluetooth HCI driver for communication with CMAC core
on DA1469x MCU.
config BT_NXP
bool
default y
depends on DT_HAS_NXP_HCI_BLE_ENABLED
select BT_HCI_SETUP
help
NXP HCI bluetooth interface
config BT_CYW208XX
bool
default y
depends on DT_HAS_INFINEON_CYW208XX_HCI_ENABLED
select BT_HCI_SET_PUBLIC_ADDR
help
Infineon CYW208XX HCI bluetooth interface
config BT_AMBIQ_HCI
bool
default y
depends on DT_HAS_AMBIQ_BT_HCI_SPI_ENABLED
select SPI
select GPIO if SOC_SERIES_APOLLO4X
select CLOCK_CONTROL if SOC_SERIES_APOLLO4X
select BT_HCI_SETUP
select AMBIQ_COMPONENT_USE_BT
help
Supports Ambiq Bluetooth SoC using SPI as the communication protocol.
HCI packets are sent and received as single Byte transfers.
config BT_HCI_INIT_PRIORITY
int "BT HCI init priority"
default 75 if BT_AMBIQ_HCI
default KERNEL_INIT_PRIORITY_DEVICE
help
The priority of BT HCI driver initialization.
config BT_STM32_IPM_RX_STACK_SIZE
int "STM32 IPM stack size for RX thread"
depends on BT_STM32_IPM
default 512
config BT_AIROC
bool "AIROC BT connectivity"
default y
select GPIO if BT_H4
select UART if BT_H4
select UART_USE_RUNTIME_CONFIGURE if BT_H4
select BT_HCI_SETUP
select USE_INFINEON_ABSTRACTION_RTOS if BT_CYW208XX
select EVENTS if BT_CYW208XX
depends on DT_HAS_INFINEON_CYW43XXX_BT_HCI_ENABLED || DT_HAS_INFINEON_CYW208XX_HCI_ENABLED
help
Infineon's AIROC™ Wi-Fi & combos portfolio integrates
IEEE 802.11a/b/g/n/ac/ax Wi-Fi and Bluetooth® 5.2 in a single-chip
solution to enable small-form-factor IoT designs.
source "drivers/bluetooth/hci/Kconfig.esp32"
source "drivers/bluetooth/hci/Kconfig.infineon"
source "drivers/bluetooth/hci/Kconfig.nxp"
config BT_DRIVER_QUIRK_NO_AUTO_DLE
bool "Host auto-initiated Data Length Update quirk"
depends on BT_AUTO_DATA_LEN_UPDATE
default y if BT_HCI_IPC || BT_ESP32
help
Enable the quirk wherein BT Host stack will auto-initiate Data Length
Update procedure for new connections for controllers that do not
auto-initiate the procedure if the default data length parameters are
not equal to the initial parameters.
This has to be enabled when the BLE controller connected is Zephyr
open source controller.
config BT_HCI_SET_PUBLIC_ADDR
bool
select BT_HCI_SETUP
help
Pass the controller's public address to the HCI driver in setup()
This option should be enabled by drivers for controllers that support setting the
public identity through vendor-specific commands. They can then implement the
setup() HCI driver API function and get the address to set from the public_addr field.
From the application side, the public address is set using the first call to
bt_id_create(), before calling bt_enable().
config BT_HCI_SETUP
bool
help
Enable the HCI vendor-specific Setup function.
This option has to be enabled when the BT Controller requires execution
of the vendor-specific commands sequence to initialize the BT Controller
before the BT Host executes a Reset sequence.
The user should generally avoid changing it via menuconfig or in
configuration files. This option are enabled by the vendor-specific
HCI extension, where the Setup function is implemented.
config BT_DRV_TX_STACK_SIZE
int
default 256
help
Stack size for the HCI driver's TX thread.
config BT_DRV_RX_STACK_SIZE
int
default 640 if (BT_SPI || BT_AMBIQ_HCI)
default BT_RX_STACK_SIZE if (BT_H4 || BT_HCI_RAW_H4)
default BT_STM32_IPM_RX_STACK_SIZE if BT_STM32_IPM
default HCI_NXP_RX_STACK_SIZE if HCI_NXP_RX_THREAD
default 512
help
Stack size for the HCI driver's RX thread.
config BT_H4_NXP_CTLR
bool "NXP Bluetooth Controller"
select GPIO
depends on BT_H4
select CRC
select BT_HCI_SETUP
default y
depends on DT_HAS_NXP_BT_HCI_UART_ENABLED
help
Enables support for NXP Bluetooth Controller.
More inforamtion about NXP Bluetooth profuct could be found on
https://www.nxp.com/products/wireless-connectivity/wi-fi-plus-bluetooth-plus-802-15-4:WIFI-BLUETOOTH
if BT_H4_NXP_CTLR
config BT_H4_NXP_CTLR_WAIT_HDR_SIG_TIMEOUT
int "Timeout for waiting HDR Signure"
range 1000 60000
default 2500
help
Timeout for waiting HDR Signure. Unit is millisecond.
config BT_H4_NXP_CTLR_WAIT_TIME_AFTER_UPLOAD
int "Waiting time after firmware is uploaded"
range 1000 5000
default 1000
help
Waiting time after firmware is uploaded. Unit is millisecond.
config BT_H4_NXP_CTLR_WAIT_TIME_AFTER_BAUDRATE_UPDATE
int "Waiting time after controller baudrate is updated"
range 500 5000
default 500
help
Waiting time after controller baudrate is updated. Unit is millisecond.
endif #BT_H4_NXP_CTLR
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