1config B43LEGACY 2 tristate "Broadcom 43xx-legacy wireless support (mac80211 stack)" 3 depends on SSB_POSSIBLE && MAC80211 && HAS_DMA 4 select SSB 5 select FW_LOADER 6 ---help--- 7 b43legacy is a driver for 802.11b devices from Broadcom (BCM4301 and 8 BCM4303) and early model 802.11g chips (BCM4306 Ver. 2) used in the 9 Linksys WPC54G V1 PCMCIA devices. 10 11 Newer 802.11g and 802.11a devices need b43. 12 13 It is safe to include both b43 and b43legacy as the underlying glue 14 layer will automatically load the correct version for your device. 15 16 This driver uses V3 firmware, which must be installed separately using 17 b43-fwcutter. 18 19 This driver can be built as a module (recommended) that will be 20 called "b43legacy". If unsure, say M. 21 22# Auto-select SSB PCI-HOST support, if possible 23config B43LEGACY_PCI_AUTOSELECT 24 bool 25 depends on B43LEGACY && SSB_PCIHOST_POSSIBLE 26 select SSB_PCIHOST 27 select SSB_B43_PCI_BRIDGE 28 default y 29 30# Auto-select SSB PCICORE driver, if possible 31config B43LEGACY_PCICORE_AUTOSELECT 32 bool 33 depends on B43LEGACY && SSB_DRIVER_PCICORE_POSSIBLE 34 select SSB_DRIVER_PCICORE 35 default y 36 37# LED support 38# This config option automatically enables b43legacy LEDS support, 39# if it's possible. 40config B43LEGACY_LEDS 41 bool 42 depends on B43LEGACY && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43LEGACY) 43 default y 44 45# This config option automatically enables b43 HW-RNG support, 46# if the HW-RNG core is enabled. 47config B43LEGACY_HWRNG 48 bool 49 depends on B43LEGACY && (HW_RANDOM = y || HW_RANDOM = B43LEGACY) 50 default y 51 52config B43LEGACY_DEBUG 53 bool "Broadcom 43xx-legacy debugging" 54 depends on B43LEGACY 55 default y 56 ---help--- 57 Say Y, because this information will help you get the driver running. 58 This option generates a minimum of log output. 59 60config B43LEGACY_DMA 61 bool 62 depends on B43LEGACY 63 64config B43LEGACY_PIO 65 bool 66 depends on B43LEGACY 67 68choice 69 prompt "Broadcom 43xx-legacy data transfer mode" 70 depends on B43LEGACY 71 default B43LEGACY_DMA_AND_PIO_MODE 72 73config B43LEGACY_DMA_AND_PIO_MODE 74 bool "DMA + PIO" 75 select B43LEGACY_DMA 76 select B43LEGACY_PIO 77 ---help--- 78 Include both, Direct Memory Access (DMA) and Programmed I/O (PIO) 79 data transfer modes. The mode actually used is selectable through 80 the module parameter "pio". With pio=0 as a module parameter, the 81 default DMA is used, otherwise PIO is used. 82 83 If unsure, choose this option. 84 85config B43LEGACY_DMA_MODE 86 bool "DMA (Direct Memory Access) only" 87 select B43LEGACY_DMA 88 ---help--- 89 Only include Direct Memory Access (DMA). 90 This reduces the size of the driver module, by omitting the PIO code. 91 92config B43LEGACY_PIO_MODE 93 bool "PIO (Programmed I/O) only" 94 select B43LEGACY_PIO 95 ---help--- 96 Only include Programmed I/O (PIO). 97 This reduces the size of the driver module, by omitting the DMA code. 98 Please note that PIO transfers are slow (compared to DMA). 99 100 Also note that not all devices of the b43legacy series support PIO. 101 102 You should use PIO only if DMA does not work for you. 103 104endchoice 105