#ifndef B43_H_ #define B43_H_ #include #include #include #include #include #include #include "debugfs.h" #include "leds.h" #include "rfkill.h" #include "lo.h" #include "phy_common.h" /* The unique identifier of the firmware that's officially supported by * this driver version. */ #define B43_SUPPORTED_FIRMWARE_ID "FW13" #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 /* MAC control */ #define B43_MMIO_MACCMD 0x124 /* MAC command */ #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 */ #define B43_MMIO_TSF_CFP_REP 0x188 #define B43_MMIO_TSF_CFP_START 0x18C #define B43_MMIO_TSF_CFP_MAXDUR 0x190 /* 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 on core rev < 11 */ #define B43_MMIO_PIO_BASE0 0x300 #define B43_MMIO_PIO_BASE1 0x310 #define B43_MMIO_PIO_BASE2 0x320 #define B43_MMIO_PIO_BASE3 0x330 #define B43_MMIO_PIO_BASE4 0x340 #define B43_MMIO_PIO_BASE5 0x350 #define B43_MMIO_PIO_BASE6 0x360 #define B43_MMIO_PIO_BASE7 0x370 /* PIO on core rev >= 11 */ #define B43_MMIO_PIO11_BASE0 0x200 #define B43_MMIO_PIO11_BASE1 0x240 #define B43_MMIO_PIO11_BASE2 0x280 #define B43_MMIO_PIO11_BASE3 0x2C0 #define B43_MMIO_PIO11_BASE4 0x300 #define B43_MMIO_PIO11_BASE5 0x340 #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_CFP_START_LOW 0x604 #define B43_MMIO_TSF_CFP_START_HIGH 0x606 #define B43_MMIO_TSF_CFP_PRETBTT 0x612 #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_IFSCTL 0x688 /* Interframe space control */ #define B43_MMIO_IFSCTL_USE_EDCF 0x0004 #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_HOSTFMI 0x0060 /* Hostflags for ucode options (middle) */ #define B43_SHM_SH_HOSTFHI 0x0062 /* 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 */ /* TSSI information */ #define B43_SHM_SH_TSSI_CCK 0x0058 /* TSSI for last 4 CCK frames (32bit) */ #define B43_SHM_SH_TSSI_OFDM_A 0x0068 /* TSSI for last 4 OFDM frames (32bit) */ #define B43_SHM_SH_TSSI_OFDM_G 0x0070 /* TSSI for last 4 OFDM frames (32bit) */ #define B43_TSSI_MAX 0x7F /* Max value for one TSSI value */ /* 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/AP 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_DTIMP 0x0012 /* DTIP period */ #define B43_SHM_SH_MCASTCOOKIE 0x00A8 /* Last bcast/mcast frame ID */ #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) */ #define B43_SHM_SH_EXTNPHYCTL 0x00B0 /* Extended bytes for beacon PHY control (N) */ /* 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 0x000000000001ULL /* ucode antenna div helper */ #define B43_HF_SYMW 0x000000000002ULL /* G-PHY SYM workaround */ #define B43_HF_RXPULLW 0x000000000004ULL /* RX pullup workaround */ #define B43_HF_CCKBOOST 0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */ #define B43_HF_BTCOEX 0x000000000010ULL /* Bluetooth coexistance */ #define B43_HF_GDCW 0x000000000020ULL /* G-PHY DC canceller filter bw workaround */ #define B43_HF_OFDMPABOOST 0x000000000040ULL /* Enable PA gain boost for OFDM */ #define B43_HF_ACPR 0x000000000080ULL /* Disable for Japan, channel 14 */ #define B43_HF_EDCF 0x000000000100ULL /* on if WME and MAC suspended */ #define B43_HF_TSSIRPSMW 0x000000000200ULL /* TSSI reset PSM ucode workaround */ #define B43_HF_20IN40IQW 0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */ #define B43_HF_DSCRQ 0x000000000400ULL /* Disable slow clock request in ucode */ #define B43_HF_ACIW 0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */ #define B43_HF_2060W 0x000000001000ULL /* 2060 radio workaround */ #define B43_HF_RADARW 0x000000002000ULL /* Radar workaround */ #define B43_HF_USEDEFKEYS 0x000000004000ULL /* Enable use of default keys */ #define B43_HF_AFTERBURNER 0x000000008000ULL /* Afterburner enabled */ #define B43_HF_BT4PRIOCOEX 0x000000010000ULL /* Bluetooth 4-priority coexistance */ #define B43_HF_FWKUP 0x000000020000ULL /* Fast wake-up ucode */ #define B43_HF_VCORECALC 0x000000040000ULL /* Force VCO recalculation when powering up synthpu */ #define B43_HF_PCISCW 0x000000080000ULL /* PCI slow clock workaround */ #define B43_HF_4318TSSI 0x000000200000ULL /* 4318 TSSI */ #define B43_HF_FBCMCFIFO 0x000000400000ULL /* Flush bcast/mcast FIFO immediately */ #define B43_HF_HWPCTL 0x000000800000ULL /* Enable hardwarre power control */ #define B43_HF_BTCOEXALT 0x000001000000ULL /* Bluetooth coexistance in alternate pins */ #define B43_HF_TXBTCHECK 0x000002000000ULL /* Bluetooth check during transmission */ #define B43_HF_SKCFPUP 0x000004000000ULL /* Skip CFP update */ #define B43_HF_N40W 0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */ #define B43_HF_ANTSEL 0x000020000000ULL /* Antenna selection (for testing antenna div.) */ #define B43_HF_BT3COEXT 0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */ #define B43_HF_BTCANT 0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */ #define B43_HF_ANTSELEN 0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */ #define B43_HF_ANTSELMODE 0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */ #define B43_HF_MLADVW 0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */ #define B43_HF_PR45960W 0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */ /* 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 #define B43_PHYTYPE_N 0x04 #define B43_PHYTYPE_LP 0x05 /* 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 */ /* MAC Command bitfield */ #define B43_MACCMD_BEACON0_VALID 0x00000001 /* Beacon 0 in template RAM is busy/valid */ #define B43_MACCMD_BEACON1_VALID 0x00000002 /* Beacon 1 in template RAM is busy/valid */ #define B43_MACCMD_DFQ_VALID 0x00000004 /* Directed frame queue valid (IBSS PS mode, ATIM) */ #define B43_MACCMD_CCA 0x00000008 /* Clear channel assessment */ #define B43_MACCMD_BGNOISE 0x00000010 /* Background noise */ /* 802.11 core specific TM State Low (SSB_TMSLOW) flags */ #define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ #define B43_TMSLOW_PHYCLKSPEED 0x00C00000 /* PHY clock speed mask (N-PHY only) */ #define B43_TMSLOW_PHYCLKSPEED_40MHZ 0x00000000 /* 40 MHz PHY */ #define B43_TMSLOW_PHYCLKSPEED_80MHZ 0x00400000 /* 80 MHz PHY */ #define B43_TMSLOW_PHYCLKSPEED_160MHZ 0x00800000 /* 160 MHz PHY */ #define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select (rev >= 5) */ #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 (SSB_TMSHIGH) flags */ #define B43_TMSHIGH_DUALBAND_PHY 0x00080000 /* Dualband PHY available */ #define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */ #define B43_TMSHIGH_HAVE_5GHZ_PHY 0x00020000 /* 5 GHz PHY available (rev >= 5) */ #define B43_TMSHIGH_HAVE_2GHZ_PHY 0x00010000 /* 2.4 GHz 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_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) /* The firmware register to fetch the debug-IRQ reason from. */ #define B43_DEBUGIRQ_REASON_REG 63 /* Debug-IRQ reasons. */ #define B43_DEBUGIRQ_PANIC 0 /* The firmware panic'ed */ #define B43_DEBUGIRQ_DUMP_SHM 1 /* Dump shared SHM */ #define B43_DEBUGIRQ_DUMP_REGS 2 /* Dump the microcode registers */ #define B43_DEBUGIRQ_MARKER 3 /* A "marker" was thrown by the firmware. */ #define B43_DEBUGIRQ_ACK 0xFFFF /* The host writes that to ACK the IRQ */ /* The firmware register that contains the "marker" line. */ #define B43_MARKER_ID_REG 2 #define B43_MARKER_LINE_REG 3 /* The firmware register to fetch the panic reason from. */ #define B43_FWPANIC_REASON_REG 3 /* Firmware panic reason codes */ #define B43_FWPANIC_DIE 0 /* Firmware died. Don't auto-restart it. */ #define B43_FWPANIC_RESTART 1 /* Firmware died. Schedule a controller reset. */ /* The firmware register that contains the watchdog counter. */ #define B43_WATCHDOG_REG 1 /* 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 #define B43_PHY_TX_BADNESS_LIMIT 1000 /* 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; /* 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__)); /* Data structures for DMA transmission, per 80211 core. */ struct b43_dma { struct b43_dmaring *tx_ring_AC_BK; /* Background */ struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */ struct b43_dmaring *tx_ring_AC_VI; /* Video */ struct b43_dmaring *tx_ring_AC_VO; /* Voice */ struct b43_dmaring *tx_ring_mcast; /* Multicast */ struct b43_dmaring *rx_ring; }; struct b43_pio_txqueue; struct b43_pio_rxqueue; /* Data structures for PIO transmission, per 80211 core. */ struct b43_pio { struct b43_pio_txqueue *tx_queue_AC_BK; /* Background */ struct b43_pio_txqueue *tx_queue_AC_BE; /* Best Effort */ struct b43_pio_txqueue *tx_queue_AC_VI; /* Video */ struct b43_pio_txqueue *tx_queue_AC_VO; /* Voice */ struct b43_pio_txqueue *tx_queue_mcast; /* Multicast */ struct b43_pio_rxqueue *rx_queue; }; /* Context information for a noise calculation (Link Quality). */ struct b43_noise_calculation { 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; }; /* SHM offsets to the QOS data structures for the 4 different queues. */ #define B43_QOS_PARAMS(queue) (B43_SHM_SH_EDCFQ + \ (B43_NR_QOSPARAMS * sizeof(u16) * (queue))) #define B43_QOS_BACKGROUND B43_QOS_PARAMS(0) #define B43_QOS_BESTEFFORT B43_QOS_PARAMS(1) #define B43_QOS_VIDEO B43_QOS_PARAMS(2) #define B43_QOS_VOICE B43_QOS_PARAMS(3) /* QOS parameter hardware data structure offsets. */ #define B43_NR_QOSPARAMS 22 enum { B43_QOSPARAM_TXOP = 0, B43_QOSPARAM_CWMIN, B43_QOSPARAM_CWMAX, B43_QOSPARAM_CWCUR, B43_QOSPARAM_AIFS, B43_QOSPARAM_BSLOTS, B43_QOSPARAM_REGGAP, B43_QOSPARAM_STATUS, }; /* QOS parameters for a queue. */ struct b43_qos_params { /* The QOS parameters */ struct ieee80211_tx_queue_params p; }; 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; struct mutex mutex; spinlock_t irq_lock; /* R/W lock for data transmission. * Transmissions on 2+ queues can run concurrently, but somebody else * might sync with TX by write_lock_irqsave()'ing. */ rwlock_t tx_lock; /* Lock for LEDs access. */ spinlock_t leds_lock; /* Lock for SHM access. */ spinlock_t shm_lock; /* We can only have one operating interface (802.11 core) * at a time. General information about this interface follows. */ struct ieee80211_vif *vif; /* The MAC address of the operating interface. */ u8 mac_addr[ETH_ALEN]; /* Current BSSID */ u8 bssid[ETH_ALEN]; /* Interface type. (IEEE80211_IF_TYPE_XXX) */ int if_type; /* Is the card operating in AP, STA or IBSS mode? */ bool operating; /* filter flags */ unsigned int filter_flags; /* Stats about the wireless interface */ struct ieee80211_low_level_stats ieee_stats; struct hwrng rng; u8 rng_initialized; char rng_name[30 + 1]; /* The RF-kill button */ struct b43_rfkill rfkill; /* List of all wireless devices on this chip */ struct list_head devlist; u8 nr_devs; bool radiotap_enabled; /* The beacon we are currently using (AP or IBSS mode). * This beacon stuff is protected by the irq_lock. */ struct sk_buff *current_beacon; bool beacon0_uploaded; bool beacon1_uploaded; bool beacon_templates_virgin; /* Never wrote the templates? */ struct work_struct beacon_update_trigger; /* The current QOS parameters for the 4 queues. */ struct b43_qos_params qos_params[4]; /* Work for adjustment of the transmission power. * This is scheduled when we determine that the actual TX output * power doesn't match what we want. */ struct work_struct txpower_adjust_work; }; /* In-memory representation of a cached microcode file. */ struct b43_firmware_file { const char *filename; const struct firmware *data; }; /* Pointers to the firmware data and meta information about it. */ struct b43_firmware { /* Microcode */ struct b43_firmware_file ucode; /* PCM code */ struct b43_firmware_file pcm; /* Initial MMIO values for the firmware */ struct b43_firmware_file initvals; /* Initial MMIO values for the firmware, band-specific */ struct b43_firmware_file initvals_band; /* Firmware revision */ u16 rev; /* Firmware patchlevel */ u16 patch; /* Set to true, if we are using an opensource firmware. */ bool opensource; /* Set to true, if the core needs a PCM firmware, but * we failed to load one. This is always false for * core rev > 10, as these don't need PCM firmware. */ bool pcm_request_failed; }; /* Device (802.11 core) initialization status. */ enum { B43_STAT_UNINIT = 0, /* Uninitialized. */ B43_STAT_INITIALIZED = 1, /* Initialized, but not started, yet. */ B43_STAT_STARTED = 2, /* Up and running. */ }; #define b43_status(wldev) atomic_read(&(wldev)->__init_status) #define b43_set_status(wldev, stat) do { \ atomic_set(&(wldev)->__init_status, (stat)); \ smp_wmb(); \ } while (0) /* XXX--- HOW LOCKING WORKS IN B43 ---XXX * * You should always acquire both, wl->mutex and wl->irq_lock unless: * - You don't need to acquire wl->irq_lock, if the interface is stopped. * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet * and packet TX path (and _ONLY_ there.) */ /* Data structure for one wireless device (802.11 core) */ struct b43_wldev { struct ssb_device *dev; struct b43_wl *wl; /* The device initialization status. * Use b43_status() to query. */ atomic_t __init_status; /* Saved init status for handling suspend. */ int suspend_init_status; bool bad_frames_preempt; /* Use "Bad Frames Preemption" (default off) */ bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM) */ bool short_slot; /* TRUE, if short slot timing is enabled. */ bool radio_hw_enable; /* saved state of radio hardware enabled state */ bool suspend_in_progress; /* TRUE, if we are in a suspend/resume cycle */ /* PHY/Radio device. */ struct b43_phy phy; union { /* DMA engines. */ struct b43_dma dma; /* PIO engines. */ struct b43_pio pio; }; /* Use b43_using_pio_transfers() to check whether we are using * DMA or PIO data transfers. */ bool __using_pio_transfers; /* Various statistics about the physical device. */ struct b43_stats stats; /* The device LEDs. */ struct b43_led led_tx; struct b43_led led_rx; struct b43_led led_assoc; struct b43_led led_radio; /* Reason code of the last interrupt. */ u32 irq_reason; u32 dma_reason[6]; /* saved irq enable/disable state bitfield. */ u32 irq_savedstate; /* Link Quality calculation context. */ struct b43_noise_calculation noisecalc; /* if > 0 MAC is suspended. if == 0 MAC is enabled. */ int mac_suspended; /* Interrupt Service Routine tasklet (bottom-half) */ struct tasklet_struct isr_tasklet; /* Periodic tasks */ struct delayed_work periodic_work; unsigned int periodic_state; struct work_struct restart_work; /* encryption/decryption */ u16 ktp; /* Key table pointer */ u8 max_nr_keys; struct b43_key key[58]; /* Firmware data */ struct b43_firmware fw; /* Devicelist in struct b43_wl (all 802.11 cores) */ struct list_head list; /* Debugging stuff follows. */ #ifdef CONFIG_B43_DEBUG struct b43_dfsentry *dfsentry; #endif }; static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw) { return hw->priv; } static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev) { struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); return ssb_get_drvdata(ssb_dev); } /* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */ static inline int b43_is_mode(struct b43_wl *wl, int type) { return (wl->operating && wl->if_type == type); } /** * b43_current_band - Returns the currently used band. * Returns one of IEEE80211_BAND_2GHZ and IEEE80211_BAND_5GHZ. */ static inline enum ieee80211_band b43_current_band(struct b43_wl *wl) { return wl->hw->conf.channel->band; } static inline u16 b43_read16(struct b43_wldev *dev, u16 offset) { return ssb_read16(dev->dev, offset); } static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value) { ssb_write16(dev->dev, offset, value); } static inline u32 b43_read32(struct b43_wldev *dev, u16 offset) { return ssb_read32(dev->dev, offset); } static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value) { ssb_write32(dev->dev, offset, value); } static inline bool b43_using_pio_transfers(struct b43_wldev *dev) { #ifdef CONFIG_B43_PIO return dev->__using_pio_transfers; #else return 0; #endif } #ifdef CONFIG_B43_FORCE_PIO # define B43_FORCE_PIO 1 #else # define B43_FORCE_PIO 0 #endif /* Message printing */ void b43info(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); void b43err(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); void b43warn(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); #if B43_DEBUG void b43dbg(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); #else /* DEBUG */ # define b43dbg(wl, fmt...) do { /* nothing */ } while (0) #endif /* DEBUG */ /* A WARN_ON variant that vanishes when b43 debugging is disabled. * This _also_ evaluates the arg with debugging disabled. */ #if B43_DEBUG # define B43_WARN_ON(x) WARN_ON(x) #else static inline bool __b43_warn_on_dummy(bool x) { return x; } # define B43_WARN_ON(x) __b43_warn_on_dummy(unlikely(!!(x))) #endif /* Convert an integer to a Q5.2 value */ #define INT_TO_Q52(i) ((i) << 2) /* Convert a Q5.2 value to an integer (precision loss!) */ #define Q52_TO_INT(q52) ((q52) >> 2) /* Macros for printing a value in Q5.2 format */ #define Q52_FMT "%u.%u" #define Q52_ARG(q52) Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4) #endif /* B43_H_ */