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# SPDX-License-Identifier: GPL-2.0-only
config B43
tristate "Broadcom 43xx wireless support (mac80211 stack)"
depends on (BCMA_POSSIBLE || SSB_POSSIBLE) && MAC80211 && HAS_DMA
select BCMA if B43_BCMA
select SSB if B43_SSB
select FW_LOADER
select CORDIC
help
b43 is a driver for the Broadcom 43xx series wireless devices.
Check "lspci" for something like
"Broadcom Corporation BCM43XX 802.11 Wireless LAN Controller"
to determine whether you own such a device.
This driver supports the new BCM43xx IEEE 802.11G devices, but not
the old IEEE 802.11B devices. Old devices are supported by
the b43legacy driver.
Note that this has nothing to do with the standard that your AccessPoint
supports (A, B, G or a combination).
IEEE 802.11G devices can talk to IEEE 802.11B AccessPoints.
It is safe to include both b43 and b43legacy as the underlying glue
layer will automatically load the correct version for your device.
This driver uses V4 firmware, which must be installed separately using
b43-fwcutter.
This driver can be built as a module (recommended) that will be called "b43".
If unsure, say M.
config B43_BCMA
bool
config B43_SSB
bool
choice
prompt "Supported bus types"
depends on B43
default B43_BUSES_BCMA_AND_SSB
config B43_BUSES_BCMA_AND_SSB
bool "BCMA and SSB"
depends on BCMA_POSSIBLE && SSB_POSSIBLE
select B43_BCMA
select B43_SSB
config B43_BUSES_BCMA
bool "BCMA only"
depends on BCMA_POSSIBLE
select B43_BCMA
config B43_BUSES_SSB
bool "SSB only"
depends on SSB_POSSIBLE
select B43_SSB
endchoice
# Auto-select SSB PCI-HOST support, if possible
config B43_PCI_AUTOSELECT
bool
depends on B43 && SSB_PCIHOST_POSSIBLE
select SSB_PCIHOST
select SSB_B43_PCI_BRIDGE
default y
# Auto-select SSB PCICORE driver, if possible
config B43_PCICORE_AUTOSELECT
bool
depends on B43 && SSB_DRIVER_PCICORE_POSSIBLE
select SSB_DRIVER_PCICORE
default y
config B43_SDIO
bool "Broadcom 43xx SDIO device support"
depends on B43 && B43_SSB && SSB_SDIOHOST_POSSIBLE
select SSB_SDIOHOST
help
Broadcom 43xx device support for Soft-MAC SDIO devices.
With this config option you can drive Soft-MAC b43 cards with a
Secure Digital I/O interface.
This includes the WLAN daughter card found on the Nintendo Wii
video game console.
Note that this does not support Broadcom 43xx Full-MAC devices.
It's safe to select Y here, even if you don't have a B43 SDIO device.
If unsure, say N.
#Data transfers to the device via PIO. We want it as a fallback even
# if we can do DMA.
config B43_BCMA_PIO
bool
depends on B43 && B43_BCMA
select BCMA_BLOCKIO
default y
config B43_PIO
bool
depends on B43 && B43_SSB
select SSB_BLOCKIO
default y
config B43_PHY_G
bool "Support for G-PHY (802.11g) devices"
depends on B43 && B43_SSB
default y
help
This PHY type can be found in the following chipsets:
PCI: BCM4306, BCM4311, BCM4318
SoC: BCM4712, BCM5352E
config B43_PHY_N
bool "Support for N-PHY (the main 802.11n series) devices"
depends on B43
default y
help
This PHY type can be found in the following chipsets:
PCI: BCM4321, BCM4322,
BCM43222, BCM43224, BCM43225,
BCM43131, BCM43217, BCM43227, BCM43228
SoC: BCM4716, BCM4717, BCM4718, BCM5356, BCM5357, BCM5358
config B43_PHY_LP
bool "Support for LP-PHY (low-power 802.11g) devices"
depends on B43 && B43_SSB
default y
help
The LP-PHY is a low-power PHY built into some notebooks
and embedded devices. It supports 802.11a/b/g
(802.11a support is optional, and currently disabled).
config B43_PHY_HT
bool "Support for HT-PHY (high throughput 802.11n) devices"
depends on B43 && B43_BCMA
default y
help
This PHY type with 3x3:3 MIMO can be found in the BCM4331 PCI chipset.
config B43_PHY_LCN
bool "Support for LCN-PHY devices (BROKEN)"
depends on B43 && BROKEN
help
Support for the LCN-PHY.
Say N, this is BROKEN and crashes driver.
config B43_PHY_AC
bool "Support for AC-PHY (802.11ac) devices (BROKEN)"
depends on B43 && B43_BCMA && BROKEN
help
This PHY type can be found in the following chipsets:
PCI: BCM4352, BCM4360
Say N, this is BROKEN and crashes driver.
# This config option automatically enables b43 LEDS support,
# if it's possible.
config B43_LEDS
bool
depends on B43 && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43)
default y
# This config option automatically enables b43 HW-RNG support,
# if the HW-RNG core is enabled.
config B43_HWRNG
bool
depends on B43 && (HW_RANDOM = y || HW_RANDOM = B43)
default y
config B43_DEBUG
bool "Broadcom 43xx debugging"
depends on B43
help
Broadcom 43xx debugging.
This adds additional runtime sanity checks and statistics to the driver.
These checks and statistics might be expensive and hurt the runtime
performance of your system.
This also adds the b43 debugfs interface.
Do not enable this, unless you are debugging the driver.
Say N, if you are a distributor or user building a release kernel
for production use.
Only say Y, if you are debugging a problem in the b43 driver sourcecode.
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