diff options
Diffstat (limited to 'drivers/net/wireless/b43/b43.h')
| -rw-r--r-- | drivers/net/wireless/b43/b43.h | 845 |
1 files changed, 845 insertions, 0 deletions
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_TYPE_XXX) */ + int if_type; + /* Counter of active monitor interfaces. */ + int monitor; + /* Is the card operating in AP, STA or IBSS mode? */ + bool operating; + /* Promisc mode active? + * Note that (monitor != 0) implies promisc. + */ + bool promisc; + /* Stats about the wireless interface */ + struct ieee80211_low_level_stats ieee_stats; + + struct hwrng rng; + u8 rng_initialized; + char rng_name[30 + 1]; + + /* List of all wireless devices on this chip */ + struct list_head devlist; + u8 nr_devs; +}; + +/* Pointers to the firmware data and meta information about it. */ +struct b43_firmware { + /* Microcode */ + const struct firmware *ucode; + /* PCM code */ + const struct firmware *pcm; + /* Initial MMIO values for the firmware */ + const struct firmware *initvals; + /* Initial MMIO values for the firmware, band-specific */ + const struct firmware *initvals_band; + /* Firmware revision */ + u16 rev; + /* Firmware patchlevel */ + u16 patch; +}; + +/* 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 __using_pio; /* Internal, use b43_using_pio(). */ + bool bad_frames_preempt; /* Use "Bad Frames Preemption" (default off) */ + bool reg124_set_0x4; /* Some variable to keep track of IRQ stuff. */ + bool short_preamble; /* TRUE, if short preamble is enabled. */ + bool short_slot; /* TRUE, if short slot timing is enabled. */ + bool radio_hw_enable; /* saved state of radio hardware enabled state */ + + /* PHY/Radio device. */ + struct b43_phy phy; + union { + /* DMA engines. */ + struct b43_dma dma; + /* PIO engines. */ + struct b43_pio pio; + }; + + /* Various statistics about the physical device. */ + struct b43_stats stats; + +#define B43_NR_LEDS 4 + struct b43_led leds[B43_NR_LEDS]; + + /* 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]; + + /* Cached beacon template while uploading the template. */ + struct sk_buff *cached_beacon; + + /* 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; +} + +/* Helper function, which returns a boolean. + * TRUE, if PIO is used; FALSE, if DMA is used. + */ +#if defined(CONFIG_B43_DMA) && defined(CONFIG_B43_PIO) +static inline int b43_using_pio(struct b43_wldev *dev) +{ + return dev->__using_pio; +} +#elif defined(CONFIG_B43_DMA) +static inline int b43_using_pio(struct b43_wldev *dev) +{ + return 0; +} +#elif defined(CONFIG_B43_PIO) +static inline int b43_using_pio(struct b43_wldev *dev) +{ + return 1; +} +#else +# error "Using neither DMA nor PIO? Confused..." +#endif + +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) +{ + if (type == IEEE80211_IF_TYPE_MNTR) + return !!(wl->monitor); + return (wl->operating && wl->if_type == type); +} + +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); +} + +/* 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 + +/** Limit a value between two limits */ +#ifdef limit_value +# undef limit_value +#endif +#define limit_value(value, min, max) \ + ({ \ + typeof(value) __value = (value); \ + typeof(value) __min = (min); \ + typeof(value) __max = (max); \ + if (__value < __min) \ + __value = __min; \ + else if (__value > __max) \ + __value = __max; \ + __value; \ + }) + +/* 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_ */ |