diff options
author | Michael Buesch <mb@bu3sch.de> | 2007-09-18 15:39:42 -0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:51:37 -0700 |
commit | e4d6b7951812d98417feb10784e400e253caf633 (patch) | |
tree | 4f653c52b4cffd5ade2eb166a56b306c9181ed08 | |
parent | 61e115a56d1aafd6e6a8a9fee8ac099a6128ac7b (diff) |
[B43]: add mac80211-based driver for modern BCM43xx devices
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
28 files changed, 16699 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 7524cd802da..e6589c3b69c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -795,6 +795,15 @@ L: linux-hams@vger.kernel.org W: http://www.baycom.org/~tom/ham/ham.html S: Maintained +B43 WIRELESS DRIVER +P: Michael Buesch +M: mb@bu3sch.de +P: Stefano Brivio +M: st3@riseup.net +L: linux-wireless@vger.kernel.org +W: http://bcm43xx.berlios.de/ +S: Maintained + BCM43XX WIRELESS DRIVER (SOFTMAC BASED VERSION) P: Larry Finger M: Larry.Finger@lwfinger.net diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 8d1541bbe25..7bed87e63da 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -579,6 +579,7 @@ config ADM8211 source "drivers/net/wireless/hostap/Kconfig" source "drivers/net/wireless/bcm43xx/Kconfig" +source "drivers/net/wireless/b43/Kconfig" source "drivers/net/wireless/zd1211rw/Kconfig" endmenu diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index e9bffdae0a0..765dbbcf54b 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_PRISM54) += prism54/ obj-$(CONFIG_HOSTAP) += hostap/ obj-$(CONFIG_BCM43XX) += bcm43xx/ +obj-$(CONFIG_B43) += b43/ obj-$(CONFIG_ZD1211RW) += zd1211rw/ # 16-bit wireless PCMCIA client drivers diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig new file mode 100644 index 00000000000..4620119891f --- /dev/null +++ b/drivers/net/wireless/b43/Kconfig @@ -0,0 +1,119 @@ +config B43 + tristate "Broadcom 43xx wireless support (mac80211 stack)" + depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 + select SSB + select FW_LOADER + select HW_RANDOM + ---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. + +# Auto-select SSB PCI-HOST support, if possible +config B43_PCI_AUTOSELECT + bool + depends on B43 && SSB_PCIHOST_POSSIBLE + select SSB_PCIHOST + 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_PCMCIA + bool "Broadcom 43xx PCMCIA device support (EXPERIMENTAL)" + depends on B43 && SSB_PCMCIAHOST_POSSIBLE && EXPERIMENTAL + select SSB_PCMCIAHOST + ---help--- + Broadcom 43xx PCMCIA device support. + + Support for 16bit PCMCIA devices. + Please note that most PC-CARD devices are _NOT_ 16bit PCMCIA + devices, but 32bit CardBUS devices. CardBUS devices are supported + out of the box by b43. + + With this config option you can drive b43 cards in + CompactFlash formfactor in a PCMCIA adaptor. + CF b43 cards can sometimes be found in handheld PCs. + + It's safe to select Y here, even if you don't have a B43 PCMCIA device. + + If unsure, say N. + +config B43_DEBUG + bool "Broadcom 43xx debugging" + depends on B43 + ---help--- + Broadcom 43xx debugging messages. + + Say Y, if you want to find out why the driver does not + work for you. + +config B43_DMA + bool + depends on B43 +config B43_PIO + bool + depends on B43 + +choice + prompt "Broadcom 43xx data transfer mode" + depends on B43 + default B43_DMA_AND_PIO_MODE + +config B43_DMA_AND_PIO_MODE + bool "DMA + PIO" + select B43_DMA + select B43_PIO + ---help--- + Include both, Direct Memory Access (DMA) and Programmed I/O (PIO) + data transfer modes. + The actually used mode is selectable through the module + parameter "pio". If the module parameter is pio=0, DMA is used. + Otherwise PIO is used. DMA is default. + + If unsure, choose this option. + +config B43_DMA_MODE + bool "DMA (Direct Memory Access) only" + select B43_DMA + ---help--- + Only include Direct Memory Access (DMA). + This reduces the size of the driver module, by omitting the PIO code. + +config B43_PIO_MODE + bool "PIO (Programmed I/O) only" + select B43_PIO + ---help--- + Only include Programmed I/O (PIO). + This reduces the size of the driver module, by omitting the DMA code. + Please note that PIO transfers are slow (compared to DMA). + + Also note that not all devices of the 43xx series support PIO. + The 4306 (Apple Airport Extreme and others) supports PIO, while + the 4318 is known to _not_ support PIO. + + Only use PIO, if DMA does not work for you. + +endchoice diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile new file mode 100644 index 00000000000..370935b84c5 --- /dev/null +++ b/drivers/net/wireless/b43/Makefile @@ -0,0 +1,17 @@ +# b43 core +b43-y += main.o +b43-y += tables.o +b43-y += phy.o +b43-y += sysfs.o +b43-y += leds.o +b43-y += xmit.o +b43-y += lo.o +# b43 PCMCIA support +b43-$(CONFIG_B43_PCMCIA) += pcmcia.o +# b43 debugging +b43-$(CONFIG_B43_DEBUG) += debugfs.o +# b43 DMA and PIO +b43-$(CONFIG_B43_DMA) += dma.o +b43-$(CONFIG_B43_PIO) += pio.o + +obj-$(CONFIG_B43) += b43.o diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h new file mode 100644 index 00000000000..270a2112de2 --- /dev/null +++ b/drivers/net/wireless/b43/b43.h @@ -0,0 +1,845 @@ +#ifndef B43_H_ +#define B43_H_ + +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/hw_random.h> +#include <linux/ssb/ssb.h> +#include <net/mac80211.h> + +#include "debugfs.h" +#include "leds.h" +#include "lo.h" +#include "phy.h" + +#ifdef CONFIG_B43_DEBUG +# define B43_DEBUG 1 +#else +# define B43_DEBUG 0 +#endif + +#define B43_RX_MAX_SSI 60 + +/* MMIO offsets */ +#define B43_MMIO_DMA0_REASON 0x20 +#define B43_MMIO_DMA0_IRQ_MASK 0x24 +#define B43_MMIO_DMA1_REASON 0x28 +#define B43_MMIO_DMA1_IRQ_MASK 0x2C +#define B43_MMIO_DMA2_REASON 0x30 +#define B43_MMIO_DMA2_IRQ_MASK 0x34 +#define B43_MMIO_DMA3_REASON 0x38 +#define B43_MMIO_DMA3_IRQ_MASK 0x3C +#define B43_MMIO_DMA4_REASON 0x40 +#define B43_MMIO_DMA4_IRQ_MASK 0x44 +#define B43_MMIO_DMA5_REASON 0x48 +#define B43_MMIO_DMA5_IRQ_MASK 0x4C +#define B43_MMIO_MACCTL 0x120 +#define B43_MMIO_STATUS2_BITFIELD 0x124 +#define B43_MMIO_GEN_IRQ_REASON 0x128 +#define B43_MMIO_GEN_IRQ_MASK 0x12C +#define B43_MMIO_RAM_CONTROL 0x130 +#define B43_MMIO_RAM_DATA 0x134 +#define B43_MMIO_PS_STATUS 0x140 +#define B43_MMIO_RADIO_HWENABLED_HI 0x158 +#define B43_MMIO_SHM_CONTROL 0x160 +#define B43_MMIO_SHM_DATA 0x164 +#define B43_MMIO_SHM_DATA_UNALIGNED 0x166 +#define B43_MMIO_XMITSTAT_0 0x170 +#define B43_MMIO_XMITSTAT_1 0x174 +#define B43_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ +#define B43_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ + +/* 32-bit DMA */ +#define B43_MMIO_DMA32_BASE0 0x200 +#define B43_MMIO_DMA32_BASE1 0x220 +#define B43_MMIO_DMA32_BASE2 0x240 +#define B43_MMIO_DMA32_BASE3 0x260 +#define B43_MMIO_DMA32_BASE4 0x280 +#define B43_MMIO_DMA32_BASE5 0x2A0 +/* 64-bit DMA */ +#define B43_MMIO_DMA64_BASE0 0x200 +#define B43_MMIO_DMA64_BASE1 0x240 +#define B43_MMIO_DMA64_BASE2 0x280 +#define B43_MMIO_DMA64_BASE3 0x2C0 +#define B43_MMIO_DMA64_BASE4 0x300 +#define B43_MMIO_DMA64_BASE5 0x340 +/* PIO */ +#define B43_MMIO_PIO1_BASE 0x300 +#define B43_MMIO_PIO2_BASE 0x310 +#define B43_MMIO_PIO3_BASE 0x320 +#define B43_MMIO_PIO4_BASE 0x330 + +#define B43_MMIO_PHY_VER 0x3E0 +#define B43_MMIO_PHY_RADIO 0x3E2 +#define B43_MMIO_PHY0 0x3E6 +#define B43_MMIO_ANTENNA 0x3E8 +#define B43_MMIO_CHANNEL 0x3F0 +#define B43_MMIO_CHANNEL_EXT 0x3F4 +#define B43_MMIO_RADIO_CONTROL 0x3F6 +#define B43_MMIO_RADIO_DATA_HIGH 0x3F8 +#define B43_MMIO_RADIO_DATA_LOW 0x3FA +#define B43_MMIO_PHY_CONTROL 0x3FC +#define B43_MMIO_PHY_DATA 0x3FE +#define B43_MMIO_MACFILTER_CONTROL 0x420 +#define B43_MMIO_MACFILTER_DATA 0x422 +#define B43_MMIO_RCMTA_COUNT 0x43C +#define B43_MMIO_RADIO_HWENABLED_LO 0x49A +#define B43_MMIO_GPIO_CONTROL 0x49C +#define B43_MMIO_GPIO_MASK 0x49E +#define B43_MMIO_TSF_0 0x632 /* core rev < 3 only */ +#define B43_MMIO_TSF_1 0x634 /* core rev < 3 only */ +#define B43_MMIO_TSF_2 0x636 /* core rev < 3 only */ +#define B43_MMIO_TSF_3 0x638 /* core rev < 3 only */ +#define B43_MMIO_RNG 0x65A +#define B43_MMIO_POWERUP_DELAY 0x6A8 + +/* SPROM boardflags_lo values */ +#define B43_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */ +#define B43_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */ +#define B43_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */ +#define B43_BFL_RSSI 0x0008 /* software calculates nrssi slope. */ +#define B43_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */ +#define B43_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */ +#define B43_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */ +#define B43_BFL_ENETADM 0x0080 /* has ADMtek switch */ +#define B43_BFL_ENETVLAN 0x0100 /* can do vlan */ +#define B43_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */ +#define B43_BFL_NOPCI 0x0400 /* leaves PCI floating */ +#define B43_BFL_FEM 0x0800 /* supports the Front End Module */ +#define B43_BFL_EXTLNA 0x1000 /* has an external LNA */ +#define B43_BFL_HGPA 0x2000 /* had high gain PA */ +#define B43_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */ +#define B43_BFL_ALTIQ 0x8000 /* alternate I/Q settings */ + +/* GPIO register offset, in both ChipCommon and PCI core. */ +#define B43_GPIO_CONTROL 0x6c + +/* SHM Routing */ +enum { + B43_SHM_UCODE, /* Microcode memory */ + B43_SHM_SHARED, /* Shared memory */ + B43_SHM_SCRATCH, /* Scratch memory */ + B43_SHM_HW, /* Internal hardware register */ + B43_SHM_RCMTA, /* Receive match transmitter address (rev >= 5 only) */ +}; +/* SHM Routing modifiers */ +#define B43_SHM_AUTOINC_R 0x0200 /* Auto-increment address on read */ +#define B43_SHM_AUTOINC_W 0x0100 /* Auto-increment address on write */ +#define B43_SHM_AUTOINC_RW (B43_SHM_AUTOINC_R | \ + B43_SHM_AUTOINC_W) + +/* Misc SHM_SHARED offsets */ +#define B43_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */ +#define B43_SHM_SH_PCTLWDPOS 0x0008 +#define B43_SHM_SH_RXPADOFF 0x0034 /* RX Padding data offset (PIO only) */ +#define B43_SHM_SH_PHYVER 0x0050 /* PHY version */ +#define B43_SHM_SH_PHYTYPE 0x0052 /* PHY type */ +#define B43_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */ +#define B43_SHM_SH_HOSTFLO 0x005E /* Hostflags for ucode options (low) */ +#define B43_SHM_SH_HOSTFHI 0x0060 /* Hostflags for ucode options (high) */ +#define B43_SHM_SH_RFATT 0x0064 /* Current radio attenuation value */ +#define B43_SHM_SH_RADAR 0x0066 /* Radar register */ +#define B43_SHM_SH_PHYTXNOI 0x006E /* PHY noise directly after TX (lower 8bit only) */ +#define B43_SHM_SH_RFRXSP1 0x0072 /* RF RX SP Register 1 */ +#define B43_SHM_SH_CHAN 0x00A0 /* Current channel (low 8bit only) */ +#define B43_SHM_SH_CHAN_5GHZ 0x0100 /* Bit set, if 5Ghz channel */ +#define B43_SHM_SH_BCMCFIFOID 0x0108 /* Last posted cookie to the bcast/mcast FIFO */ +/* SHM_SHARED TX FIFO variables */ +#define B43_SHM_SH_SIZE01 0x0098 /* TX FIFO size for FIFO 0 (low) and 1 (high) */ +#define B43_SHM_SH_SIZE23 0x009A /* TX FIFO size for FIFO 2 and 3 */ +#define B43_SHM_SH_SIZE45 0x009C /* TX FIFO size for FIFO 4 and 5 */ +#define B43_SHM_SH_SIZE67 0x009E /* TX FIFO size for FIFO 6 and 7 */ +/* SHM_SHARED background noise */ +#define B43_SHM_SH_JSSI0 0x0088 /* Measure JSSI 0 */ +#define B43_SHM_SH_JSSI1 0x008A /* Measure JSSI 1 */ +#define B43_SHM_SH_JSSIAUX 0x008C /* Measure JSSI AUX */ +/* SHM_SHARED crypto engine */ +#define B43_SHM_SH_DEFAULTIV 0x003C /* Default IV location */ +#define B43_SHM_SH_NRRXTRANS 0x003E /* # of soft RX transmitter addresses (max 8) */ +#define B43_SHM_SH_KTP 0x0056 /* Key table pointer */ +#define B43_SHM_SH_TKIPTSCTTAK 0x0318 +#define B43_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block (v4 firmware) */ +#define B43_SHM_SH_PSM 0x05F4 /* PSM transmitter address match block (rev < 5) */ +/* SHM_SHARED WME variables */ +#define B43_SHM_SH_EDCFSTAT 0x000E /* EDCF status */ +#define B43_SHM_SH_TXFCUR 0x0030 /* TXF current index */ +#define B43_SHM_SH_EDCFQ 0x0240 /* EDCF Q info */ +/* SHM_SHARED powersave mode related */ +#define B43_SHM_SH_SLOTT 0x0010 /* Slot time */ +#define B43_SHM_SH_DTIMPER 0x0012 /* DTIM period */ +#define B43_SHM_SH_NOSLPZNATDTIM 0x004C /* NOSLPZNAT DTIM */ +/* SHM_SHARED beacon variables */ +#define B43_SHM_SH_BTL0 0x0018 /* Beacon template length 0 */ +#define B43_SHM_SH_BTL1 0x001A /* Beacon template length 1 */ +#define B43_SHM_SH_BTSFOFF 0x001C /* Beacon TSF offset */ +#define B43_SHM_SH_TIMBPOS 0x001E /* TIM B position in beacon */ +#define B43_SHM_SH_SFFBLIM 0x0044 /* Short frame fallback retry limit */ +#define B43_SHM_SH_LFFBLIM 0x0046 /* Long frame fallback retry limit */ +#define B43_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word (see PHY TX control) */ +/* SHM_SHARED ACK/CTS control */ +#define B43_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word (see PHY TX control) */ +/* SHM_SHARED probe response variables */ +#define B43_SHM_SH_PRSSID 0x0160 /* Probe Response SSID */ +#define B43_SHM_SH_PRSSIDLEN 0x0048 /* Probe Response SSID length */ +#define B43_SHM_SH_PRTLEN 0x004A /* Probe Response template length */ +#define B43_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */ +#define B43_SHM_SH_PRPHYCTL 0x0188 /* Probe Response PHY TX control word */ +/* SHM_SHARED rate tables */ +#define B43_SHM_SH_OFDMDIRECT 0x01C0 /* Pointer to OFDM direct map */ +#define B43_SHM_SH_OFDMBASIC 0x01E0 /* Pointer to OFDM basic rate map */ +#define B43_SHM_SH_CCKDIRECT 0x0200 /* Pointer to CCK direct map */ +#define B43_SHM_SH_CCKBASIC 0x0220 /* Pointer to CCK basic rate map */ +/* SHM_SHARED microcode soft registers */ +#define B43_SHM_SH_UCODEREV 0x0000 /* Microcode revision */ +#define B43_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */ +#define B43_SHM_SH_UCODEDATE 0x0004 /* Microcode date */ +#define B43_SHM_SH_UCODETIME 0x0006 /* Microcode time */ +#define B43_SHM_SH_UCODESTAT 0x0040 /* Microcode debug status code */ +#define B43_SHM_SH_UCODESTAT_INVALID 0 +#define B43_SHM_SH_UCODESTAT_INIT 1 +#define B43_SHM_SH_UCODESTAT_ACTIVE 2 +#define B43_SHM_SH_UCODESTAT_SUSP 3 /* suspended */ +#define B43_SHM_SH_UCODESTAT_SLEEP 4 /* asleep (PS) */ +#define B43_SHM_SH_MAXBFRAMES 0x0080 /* Maximum number of frames in a burst */ +#define B43_SHM_SH_SPUWKUP 0x0094 /* pre-wakeup for synth PU in us */ +#define B43_SHM_SH_PRETBTT 0x0096 /* pre-TBTT in us */ + +/* SHM_SCRATCH offsets */ +#define B43_SHM_SC_MINCONT 0x0003 /* Minimum contention window */ +#define B43_SHM_SC_MAXCONT 0x0004 /* Maximum contention window */ +#define B43_SHM_SC_CURCONT 0x0005 /* Current contention window */ +#define B43_SHM_SC_SRLIMIT 0x0006 /* Short retry count limit */ +#define B43_SHM_SC_LRLIMIT 0x0007 /* Long retry count limit */ +#define B43_SHM_SC_DTIMC 0x0008 /* Current DTIM count */ +#define B43_SHM_SC_BTL0LEN 0x0015 /* Beacon 0 template length */ +#define B43_SHM_SC_BTL1LEN 0x0016 /* Beacon 1 template length */ +#define B43_SHM_SC_SCFB 0x0017 /* Short frame transmit count threshold for rate fallback */ +#define B43_SHM_SC_LCFB 0x0018 /* Long frame transmit count threshold for rate fallback */ + +/* Hardware Radio Enable masks */ +#define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16) +#define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4) + +/* HostFlags. See b43_hf_read/write() */ +#define B43_HF_ANTDIVHELP 0x00000001 /* ucode antenna div helper */ +#define B43_HF_SYMW 0x00000002 /* G-PHY SYM workaround */ +#define B43_HF_RXPULLW 0x00000004 /* RX pullup workaround */ +#define B43_HF_CCKBOOST 0x00000008 /* 4dB CCK power boost (exclusive with OFDM boost) */ +#define B43_HF_BTCOEX 0x00000010 /* Bluetooth coexistance */ +#define B43_HF_GDCW 0x00000020 /* G-PHY DV canceller filter bw workaround */ +#define B43_HF_OFDMPABOOST 0x00000040 /* Enable PA gain boost for OFDM */ +#define B43_HF_ACPR 0x00000080 /* Disable for Japan, channel 14 */ +#define B43_HF_EDCF 0x00000100 /* on if WME and MAC suspended */ +#define B43_HF_TSSIRPSMW 0x00000200 /* TSSI reset PSM ucode workaround */ +#define B43_HF_DSCRQ 0x00000400 /* Disable slow clock request in ucode */ +#define B43_HF_ACIW 0x00000800 /* ACI workaround: shift bits by 2 on PHY CRS */ +#define B43_HF_2060W 0x00001000 /* 2060 radio workaround */ +#define B43_HF_RADARW 0x00002000 /* Radar workaround */ +#define B43_HF_USEDEFKEYS 0x00004000 /* Enable use of default keys */ +#define B43_HF_BT4PRIOCOEX 0x00010000 /* Bluetooth 2-priority coexistance */ +#define B43_HF_FWKUP 0x00020000 /* Fast wake-up ucode */ +#define B43_HF_VCORECALC 0x00040000 /* Force VCO recalculation when powering up synthpu */ +#define B43_HF_PCISCW 0x00080000 /* PCI slow clock workaround */ +#define B43_HF_4318TSSI 0x00200000 /* 4318 TSSI */ +#define B43_HF_FBCMCFIFO 0x00400000 /* Flush bcast/mcast FIFO immediately */ +#define B43_HF_HWPCTL 0x00800000 /* Enable hardwarre power control */ +#define B43_HF_BTCOEXALT 0x01000000 /* Bluetooth coexistance in alternate pins */ +#define B43_HF_TXBTCHECK 0x02000000 /* Bluetooth check during transmission */ +#define B43_HF_SKCFPUP 0x04000000 /* Skip CFP update */ + +/* MacFilter offsets. */ +#define B43_MACFILTER_SELF 0x0000 +#define B43_MACFILTER_BSSID 0x0003 + +/* PowerControl */ +#define B43_PCTL_IN 0xB0 +#define B43_PCTL_OUT 0xB4 +#define B43_PCTL_OUTENABLE 0xB8 +#define B43_PCTL_XTAL_POWERUP 0x40 +#define B43_PCTL_PLL_POWERDOWN 0x80 + +/* PowerControl Clock Modes */ +#define B43_PCTL_CLK_FAST 0x00 +#define B43_PCTL_CLK_SLOW 0x01 +#define B43_PCTL_CLK_DYNAMIC 0x02 + +#define B43_PCTL_FORCE_SLOW 0x0800 +#define B43_PCTL_FORCE_PLL 0x1000 +#define B43_PCTL_DYN_XTAL 0x2000 + +/* PHYVersioning */ +#define B43_PHYTYPE_A 0x00 +#define B43_PHYTYPE_B 0x01 +#define B43_PHYTYPE_G 0x02 + +/* PHYRegisters */ +#define B43_PHY_ILT_A_CTRL 0x0072 +#define B43_PHY_ILT_A_DATA1 0x0073 +#define B43_PHY_ILT_A_DATA2 0x0074 +#define B43_PHY_G_LO_CONTROL 0x0810 +#define B43_PHY_ILT_G_CTRL 0x0472 +#define B43_PHY_ILT_G_DATA1 0x0473 +#define B43_PHY_ILT_G_DATA2 0x0474 +#define B43_PHY_A_PCTL 0x007B +#define B43_PHY_G_PCTL 0x0029 +#define B43_PHY_A_CRS 0x0029 +#define B43_PHY_RADIO_BITFIELD 0x0401 +#define B43_PHY_G_CRS 0x0429 +#define B43_PHY_NRSSILT_CTRL 0x0803 +#define B43_PHY_NRSSILT_DATA 0x0804 + +/* RadioRegisters */ +#define B43_RADIOCTL_ID 0x01 + +/* MAC Control bitfield */ +#define B43_MACCTL_ENABLED 0x00000001 /* MAC Enabled */ +#define B43_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */ +#define B43_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */ +#define B43_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */ +#define B43_MACCTL_SHM_UPPER 0x00000200 /* SHM Upper */ +#define B43_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */ +#define B43_MACCTL_PSM_DBG 0x00002000 /* Microcode debugging enabled */ +#define B43_MACCTL_GPOUTSMSK 0x0000C000 /* GPOUT Select Mask */ +#define B43_MACCTL_BE 0x00010000 /* Big Endian mode */ +#define B43_MACCTL_INFRA 0x00020000 /* Infrastructure mode */ +#define B43_MACCTL_AP 0x00040000 /* AccessPoint mode */ +#define B43_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */ +#define B43_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */ +#define B43_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep frames with bad PLCP */ +#define B43_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */ +#define B43_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */ +#define B43_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */ +#define B43_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */ +#define B43_MACCTL_AWAKE 0x04000000 /* Device is awake */ +#define B43_MACCTL_CLOSEDNET 0x08000000 /* Closed net (no SSID bcast) */ +#define B43_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */ +#define B43_MACCTL_DISCTXSTAT 0x20000000 /* Discard TX status */ +#define B43_MACCTL_DISCPMQ 0x40000000 /* Discard Power Management Queue */ +#define B43_MACCTL_GMODE 0x80000000 /* G Mode */ + +/* 802.11 core specific TM State Low flags */ +#define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ +#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select */ +#define B43_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Control Enable (rev >= 5) */ +#define B43_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */ +#define B43_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */ + +/* 802.11 core specific TM State High flags */ +#define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */ +#define B43_TMSHIGH_APHY 0x00020000 /* A-PHY available (rev >= 5) */ +#define B43_TMSHIGH_GPHY 0x00010000 /* G-PHY available (rev >= 5) */ + +/* Generic-Interrupt reasons. */ +#define B43_IRQ_MAC_SUSPENDED 0x00000001 +#define B43_IRQ_BEACON 0x00000002 +#define B43_IRQ_TBTT_INDI 0x00000004 +#define B43_IRQ_BEACON_TX_OK 0x00000008 +#define B43_IRQ_BEACON_CANCEL 0x00000010 +#define B43_IRQ_ATIM_END 0x00000020 +#define B43_IRQ_PMQ 0x00000040 +#define B43_IRQ_PIO_WORKAROUND 0x00000100 +#define B43_IRQ_MAC_TXERR 0x00000200 +#define B43_IRQ_PHY_TXERR 0x00000800 +#define B43_IRQ_PMEVENT 0x00001000 +#define B43_IRQ_TIMER0 0x00002000 +#define B43_IRQ_TIMER1 0x00004000 +#define B43_IRQ_DMA 0x00008000 +#define B43_IRQ_TXFIFO_FLUSH_OK 0x00010000 +#define B43_IRQ_CCA_MEASURE_OK 0x00020000 +#define B43_IRQ_NOISESAMPLE_OK 0x00040000 +#define B43_IRQ_UCODE_DEBUG 0x08000000 +#define B43_IRQ_RFKILL 0x10000000 +#define B43_IRQ_TX_OK 0x20000000 +#define B43_IRQ_PHY_G_CHANGED 0x40000000 +#define B43_IRQ_TIMEOUT 0x80000000 + +#define B43_IRQ_ALL 0xFFFFFFFF +#define B43_IRQ_MASKTEMPLATE (B43_IRQ_MAC_SUSPENDED | \ + B43_IRQ_BEACON | \ + B43_IRQ_TBTT_INDI | \ + B43_IRQ_ATIM_END | \ + B43_IRQ_PMQ | \ + B43_IRQ_MAC_TXERR | \ + B43_IRQ_PHY_TXERR | \ + B43_IRQ_DMA | \ + B43_IRQ_TXFIFO_FLUSH_OK | \ + B43_IRQ_NOISESAMPLE_OK | \ + B43_IRQ_UCODE_DEBUG | \ + B43_IRQ_RFKILL | \ + B43_IRQ_TX_OK) + +/* Device specific rate values. + * The actual values defined here are (rate_in_mbps * 2). + * Some code depends on this. Don't change it. */ +#define B43_CCK_RATE_1MB 0x02 +#define B43_CCK_RATE_2MB 0x04 +#define B43_CCK_RATE_5MB 0x0B +#define B43_CCK_RATE_11MB 0x16 +#define B43_OFDM_RATE_6MB 0x0C +#define B43_OFDM_RATE_9MB 0x12 +#define B43_OFDM_RATE_12MB 0x18 +#define B43_OFDM_RATE_18MB 0x24 +#define B43_OFDM_RATE_24MB 0x30 +#define B43_OFDM_RATE_36MB 0x48 +#define B43_OFDM_RATE_48MB 0x60 +#define B43_OFDM_RATE_54MB 0x6C +/* Convert a b43 rate value to a rate in 100kbps */ +#define B43_RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) + +#define B43_DEFAULT_SHORT_RETRY_LIMIT 7 +#define B43_DEFAULT_LONG_RETRY_LIMIT 4 + +/* Max size of a security key */ +#define B43_SEC_KEYSIZE 16 +/* Security algorithms. */ +enum { + B43_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ + B43_SEC_ALGO_WEP40, + B43_SEC_ALGO_TKIP, + B43_SEC_ALGO_AES, + B43_SEC_ALGO_WEP104, + B43_SEC_ALGO_AES_LEGACY, +}; + +struct b43_dmaring; +struct b43_pioqueue; + +/* The firmware file header */ +#define B43_FW_TYPE_UCODE 'u' +#define B43_FW_TYPE_PCM 'p' +#define B43_FW_TYPE_IV 'i' +struct b43_fw_header { + /* File type */ + u8 type; + /* File format version */ + u8 ver; + u8 __padding[2]; + /* Size of the data. For ucode and PCM this is in bytes. + * For IV this is number-of-ivs. */ + __be32 size; +} __attribute__((__packed__)); + +/* Initial Value file format */ +#define B43_IV_OFFSET_MASK 0x7FFF +#define B43_IV_32BIT 0x8000 +struct b43_iv { + __be16 offset_size; + union { + __be16 d16; + __be32 d32; + } data __attribute__((__packed__)); +} __attribute__((__packed__)); + + +#define B43_PHYMODE(phytype) (1 << (phytype)) +#define B43_PHYMODE_A B43_PHYMODE(B43_PHYTYPE_A) +#define B43_PHYMODE_B B43_PHYMODE(B43_PHYTYPE_B) +#define B43_PHYMODE_G B43_PHYMODE(B43_PHYTYPE_G) + +struct b43_phy { + /* Possible PHYMODEs on this PHY */ + u8 possible_phymodes; + /* GMODE bit enabled? */ + bool gmode; + /* Possible ieee80211 subsystem hwmodes for this PHY. + * Which mode is selected, depends on thr GMODE enabled bit */ +#define B43_MAX_PHYHWMODES 2 + struct ieee80211_hw_mode hwmodes[B43_MAX_PHYHWMODES]; + + /* Analog Type */ + u8 analog; + /* B43_PHYTYPE_ */ + u8 type; + /* PHY revision number. */ + u8 rev; + + /* Radio versioning */ + u16 radio_manuf; /* Radio manufacturer */ + u16 radio_ver; /* Radio version */ + u8 radio_rev; /* Radio revision */ + + bool radio_on; /* Radio switched on/off */ + bool locked; /* Only used in b43_phy_{un}lock() */ + bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */ + + /* ACI (adjacent channel interference) flags. */ + bool aci_enable; + bool aci_wlan_automatic; + bool aci_hw_rssi; + + u16 minlowsig[2]; + u16 minlowsigpos[2]; + + /* TSSI to dBm table in use */ + const s8 *tssi2dbm; + /* Target idle TSSI */ + int tgt_idle_tssi; + /* Current idle TSSI */ + int cur_idle_tssi; + + /* LocalOscillator control values. */ + struct b43_txpower_lo_control *lo_control; + /* Values from b43_calc_loopback_gain() */ + s16 max_lb_gain; /* Maximum Loopback gain in hdB */ + s16 trsw_rx_gain; /* TRSW RX gain in hdB */ + s16 lna_lod_gain; /* LNA lod */ + s16 lna_gain; /* LNA */ + s16 pga_gain; /* PGA */ + + /* PHY lock for core.rev < 3 + * This lock is only used by b43_phy_{un}lock() + */ + spinlock_t lock; + + /* Desired TX power level (in dBm). + * This is set by the user and adjusted in b43_phy_xmitpower(). */ + u8 power_level; + /* A-PHY TX Power control value. */ + u16 txpwr_offset; + + /* Current TX power level attenuation control values */ + struct b43_bbatt bbatt; + struct b43_rfatt rfatt; + u8 tx_control; /* B43_TXCTL_XXX */ +#ifdef CONFIG_B43_DEBUG + bool manual_txpower_control; /* Manual TX-power control enabled? */ +#endif + /* Hardware Power Control enabled? */ + bool hardware_power_control; + + /* Current Interference Mitigation mode */ + int interfmode; + /* Stack of saved values from the Interference Mitigation code. + * Each value in the stack is layed out as follows: + * bit 0-11: offset + * bit 12-15: register ID + * bit 16-32: value + * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT + */ +#define B43_INTERFSTACK_SIZE 26 + u32 interfstack[B43_INTERFSTACK_SIZE]; //FIXME: use a data structure + + /* Saved values from the NRSSI Slope calculation */ + s16 nrssi[2]; + s32 nrssislope; + /* In memory nrssi lookup table. */ + s8 nrssi_lt[64]; + + /* current channel */ + u8 channel; + + u16 lofcal; + + u16 initval; //FIXME rename? +}; + +/* Data structures for DMA transmission, per 80211 core. */ +struct b43_dma { + struct b43_dmaring *tx_ring0; + struct b43_dmaring *tx_ring1; + struct b43_dmaring *tx_ring2; + struct b43_dmaring *tx_ring3; + struct b43_dmaring *tx_ring4; + struct b43_dmaring *tx_ring5; + + struct b43_dmaring *rx_ring0; + struct b43_dmaring *rx_ring3; /* only available on core.rev < 5 */ +}; + +/* Data structures for PIO transmission, per 80211 core. */ +struct b43_pio { + struct b43_pioqueue *queue0; + struct b43_pioqueue *queue1; + struct b43_pioqueue *queue2; + struct b43_pioqueue *queue3; +}; + +/* Context information for a noise calculation (Link Quality). */ +struct b43_noise_calculation { + u8 channel_at_start; + bool calculation_running; + u8 nr_samples; + s8 samples[8][4]; +}; + +struct b43_stats { + u8 link_noise; + /* Store the last TX/RX times here for updating the leds. */ + unsigned long last_tx; + unsigned long last_rx; +}; + +struct b43_key { + /* If keyconf is NULL, this key is disabled. + * keyconf is a cookie. Don't derefenrence it outside of the set_key + * path, because b43 doesn't own it. */ + struct ieee80211_key_conf *keyconf; + u8 algorithm; +}; + +struct b43_wldev; + +/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */ +struct b43_wl { + /* Pointer to the active wireless device on this chip */ + struct b43_wldev *current_dev; + /* Pointer to the ieee80211 hardware data structure */ + struct ieee80211_hw *hw; + + spinlock_t irq_lock; + struct mutex mutex; + spinlock_t leds_lock; + + /* We can only have one operating interface (802.11 core) + * at a time. General information about this interface follows. + */ + + /* Opaque ID of the operating interface (!= monitor + * interface) from the ieee80211 subsystem. + * Do not modify. + */ + int if_id; + /* The MAC address of the operating interface. */ + u8 mac_addr[ETH_ALEN]; + /* Current BSSID */ + u8 bssid[ETH_ALEN]; + /* Interface type. (IEEE80211_IF_ |