131 lines
3.6 KiB
Text
131 lines
3.6 KiB
Text
config B43
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tristate "Broadcom 43xx wireless support (mac80211 stack)"
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depends on SSB_POSSIBLE && MAC80211 && WLAN_80211
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select SSB
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select FW_LOADER
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select HW_RANDOM
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---help---
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b43 is a driver for the Broadcom 43xx series wireless devices.
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Check "lspci" for something like
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"Broadcom Corporation BCM43XX 802.11 Wireless LAN Controller"
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to determine whether you own such a device.
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This driver supports the new BCM43xx IEEE 802.11G devices, but not
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the old IEEE 802.11B devices. Old devices are supported by
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the b43legacy driver.
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Note that this has nothing to do with the standard that your AccessPoint
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supports (A, B, G or a combination).
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IEEE 802.11G devices can talk to IEEE 802.11B AccessPoints.
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It is safe to include both b43 and b43legacy as the underlying glue
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layer will automatically load the correct version for your device.
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This driver uses V4 firmware, which must be installed separately using
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b43-fwcutter.
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This driver can be built as a module (recommended) that will be called "b43".
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If unsure, say M.
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# Auto-select SSB PCI-HOST support, if possible
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config B43_PCI_AUTOSELECT
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bool
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depends on B43 && SSB_PCIHOST_POSSIBLE
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select SSB_PCIHOST
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default y
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# Auto-select SSB PCICORE driver, if possible
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config B43_PCICORE_AUTOSELECT
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bool
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depends on B43 && SSB_DRIVER_PCICORE_POSSIBLE
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select SSB_DRIVER_PCICORE
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default y
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config B43_PCMCIA
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bool "Broadcom 43xx PCMCIA device support (EXPERIMENTAL)"
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depends on B43 && SSB_PCMCIAHOST_POSSIBLE && EXPERIMENTAL
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select SSB_PCMCIAHOST
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---help---
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Broadcom 43xx PCMCIA device support.
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Support for 16bit PCMCIA devices.
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Please note that most PC-CARD devices are _NOT_ 16bit PCMCIA
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devices, but 32bit CardBUS devices. CardBUS devices are supported
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out of the box by b43.
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With this config option you can drive b43 cards in
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CompactFlash formfactor in a PCMCIA adaptor.
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CF b43 cards can sometimes be found in handheld PCs.
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It's safe to select Y here, even if you don't have a B43 PCMCIA device.
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If unsure, say N.
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# LED support
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config B43_LEDS
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bool
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depends on B43 && MAC80211_LEDS
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default y
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# RFKILL support
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config B43_RFKILL
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bool
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depends on B43 && RFKILL && RFKILL_INPUT && INPUT_POLLDEV
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default y
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config B43_DEBUG
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bool "Broadcom 43xx debugging"
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depends on B43
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---help---
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Broadcom 43xx debugging messages.
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Say Y, if you want to find out why the driver does not
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work for you.
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config B43_DMA
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bool
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depends on B43
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config B43_PIO
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bool
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depends on B43
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choice
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prompt "Broadcom 43xx data transfer mode"
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depends on B43
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default B43_DMA_AND_PIO_MODE
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config B43_DMA_AND_PIO_MODE
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bool "DMA + PIO"
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select B43_DMA
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select B43_PIO
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---help---
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Include both, Direct Memory Access (DMA) and Programmed I/O (PIO)
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data transfer modes.
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The actually used mode is selectable through the module
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parameter "pio". If the module parameter is pio=0, DMA is used.
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Otherwise PIO is used. DMA is default.
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If unsure, choose this option.
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config B43_DMA_MODE
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bool "DMA (Direct Memory Access) only"
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select B43_DMA
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---help---
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Only include Direct Memory Access (DMA).
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This reduces the size of the driver module, by omitting the PIO code.
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config B43_PIO_MODE
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bool "PIO (Programmed I/O) only"
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select B43_PIO
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---help---
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Only include Programmed I/O (PIO).
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This reduces the size of the driver module, by omitting the DMA code.
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Please note that PIO transfers are slow (compared to DMA).
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Also note that not all devices of the 43xx series support PIO.
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The 4306 (Apple Airport Extreme and others) supports PIO, while
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the 4318 is known to _not_ support PIO.
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Only use PIO, if DMA does not work for you.
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endchoice
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