linux/drivers/net/wireless/b43/b43.h
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   1#ifndef B43_H_
   2#define B43_H_
   3
   4#include <linux/kernel.h>
   5#include <linux/spinlock.h>
   6#include <linux/interrupt.h>
   7#include <linux/hw_random.h>
   8#include <linux/bcma/bcma.h>
   9#include <linux/ssb/ssb.h>
  10#include <net/mac80211.h>
  11
  12#include "debugfs.h"
  13#include "leds.h"
  14#include "rfkill.h"
  15#include "bus.h"
  16#include "lo.h"
  17#include "phy_common.h"
  18
  19
  20#ifdef CONFIG_B43_DEBUG
  21# define B43_DEBUG      1
  22#else
  23# define B43_DEBUG      0
  24#endif
  25
  26/* MMIO offsets */
  27#define B43_MMIO_DMA0_REASON            0x20
  28#define B43_MMIO_DMA0_IRQ_MASK          0x24
  29#define B43_MMIO_DMA1_REASON            0x28
  30#define B43_MMIO_DMA1_IRQ_MASK          0x2C
  31#define B43_MMIO_DMA2_REASON            0x30
  32#define B43_MMIO_DMA2_IRQ_MASK          0x34
  33#define B43_MMIO_DMA3_REASON            0x38
  34#define B43_MMIO_DMA3_IRQ_MASK          0x3C
  35#define B43_MMIO_DMA4_REASON            0x40
  36#define B43_MMIO_DMA4_IRQ_MASK          0x44
  37#define B43_MMIO_DMA5_REASON            0x48
  38#define B43_MMIO_DMA5_IRQ_MASK          0x4C
  39#define B43_MMIO_MACCTL                 0x120   /* MAC control */
  40#define B43_MMIO_MACCMD                 0x124   /* MAC command */
  41#define B43_MMIO_GEN_IRQ_REASON         0x128
  42#define B43_MMIO_GEN_IRQ_MASK           0x12C
  43#define B43_MMIO_RAM_CONTROL            0x130
  44#define B43_MMIO_RAM_DATA               0x134
  45#define B43_MMIO_PS_STATUS              0x140
  46#define B43_MMIO_RADIO_HWENABLED_HI     0x158
  47#define B43_MMIO_SHM_CONTROL            0x160
  48#define B43_MMIO_SHM_DATA               0x164
  49#define B43_MMIO_SHM_DATA_UNALIGNED     0x166
  50#define B43_MMIO_XMITSTAT_0             0x170
  51#define B43_MMIO_XMITSTAT_1             0x174
  52#define B43_MMIO_REV3PLUS_TSF_LOW       0x180   /* core rev >= 3 only */
  53#define B43_MMIO_REV3PLUS_TSF_HIGH      0x184   /* core rev >= 3 only */
  54#define B43_MMIO_TSF_CFP_REP            0x188
  55#define B43_MMIO_TSF_CFP_START          0x18C
  56#define B43_MMIO_TSF_CFP_MAXDUR         0x190
  57
  58/* 32-bit DMA */
  59#define B43_MMIO_DMA32_BASE0            0x200
  60#define B43_MMIO_DMA32_BASE1            0x220
  61#define B43_MMIO_DMA32_BASE2            0x240
  62#define B43_MMIO_DMA32_BASE3            0x260
  63#define B43_MMIO_DMA32_BASE4            0x280
  64#define B43_MMIO_DMA32_BASE5            0x2A0
  65/* 64-bit DMA */
  66#define B43_MMIO_DMA64_BASE0            0x200
  67#define B43_MMIO_DMA64_BASE1            0x240
  68#define B43_MMIO_DMA64_BASE2            0x280
  69#define B43_MMIO_DMA64_BASE3            0x2C0
  70#define B43_MMIO_DMA64_BASE4            0x300
  71#define B43_MMIO_DMA64_BASE5            0x340
  72
  73/* PIO on core rev < 11 */
  74#define B43_MMIO_PIO_BASE0              0x300
  75#define B43_MMIO_PIO_BASE1              0x310
  76#define B43_MMIO_PIO_BASE2              0x320
  77#define B43_MMIO_PIO_BASE3              0x330
  78#define B43_MMIO_PIO_BASE4              0x340
  79#define B43_MMIO_PIO_BASE5              0x350
  80#define B43_MMIO_PIO_BASE6              0x360
  81#define B43_MMIO_PIO_BASE7              0x370
  82/* PIO on core rev >= 11 */
  83#define B43_MMIO_PIO11_BASE0            0x200
  84#define B43_MMIO_PIO11_BASE1            0x240
  85#define B43_MMIO_PIO11_BASE2            0x280
  86#define B43_MMIO_PIO11_BASE3            0x2C0
  87#define B43_MMIO_PIO11_BASE4            0x300
  88#define B43_MMIO_PIO11_BASE5            0x340
  89
  90#define B43_MMIO_RADIO24_CONTROL        0x3D8   /* core rev >= 24 only */
  91#define B43_MMIO_RADIO24_DATA           0x3DA   /* core rev >= 24 only */
  92#define B43_MMIO_PHY_VER                0x3E0
  93#define B43_MMIO_PHY_RADIO              0x3E2
  94#define B43_MMIO_PHY0                   0x3E6
  95#define B43_MMIO_ANTENNA                0x3E8
  96#define B43_MMIO_CHANNEL                0x3F0
  97#define B43_MMIO_CHANNEL_EXT            0x3F4
  98#define B43_MMIO_RADIO_CONTROL          0x3F6
  99#define B43_MMIO_RADIO_DATA_HIGH        0x3F8
 100#define B43_MMIO_RADIO_DATA_LOW         0x3FA
 101#define B43_MMIO_PHY_CONTROL            0x3FC
 102#define B43_MMIO_PHY_DATA               0x3FE
 103#define B43_MMIO_MACFILTER_CONTROL      0x420
 104#define B43_MMIO_MACFILTER_DATA         0x422
 105#define B43_MMIO_RCMTA_COUNT            0x43C
 106#define B43_MMIO_PSM_PHY_HDR            0x492
 107#define B43_MMIO_RADIO_HWENABLED_LO     0x49A
 108#define B43_MMIO_GPIO_CONTROL           0x49C
 109#define B43_MMIO_GPIO_MASK              0x49E
 110#define B43_MMIO_TXE0_CTL               0x500
 111#define B43_MMIO_TXE0_AUX               0x502
 112#define B43_MMIO_TXE0_TS_LOC            0x504
 113#define B43_MMIO_TXE0_TIME_OUT          0x506
 114#define B43_MMIO_TXE0_WM_0              0x508
 115#define B43_MMIO_TXE0_WM_1              0x50A
 116#define B43_MMIO_TXE0_PHYCTL            0x50C
 117#define B43_MMIO_TXE0_STATUS            0x50E
 118#define B43_MMIO_TXE0_MMPLCP0           0x510
 119#define B43_MMIO_TXE0_MMPLCP1           0x512
 120#define B43_MMIO_TXE0_PHYCTL1           0x514
 121#define B43_MMIO_XMTFIFODEF             0x520
 122#define B43_MMIO_XMTFIFO_FRAME_CNT      0x522   /* core rev>= 16 only */
 123#define B43_MMIO_XMTFIFO_BYTE_CNT       0x524   /* core rev>= 16 only */
 124#define B43_MMIO_XMTFIFO_HEAD           0x526   /* core rev>= 16 only */
 125#define B43_MMIO_XMTFIFO_RD_PTR         0x528   /* core rev>= 16 only */
 126#define B43_MMIO_XMTFIFO_WR_PTR         0x52A   /* core rev>= 16 only */
 127#define B43_MMIO_XMTFIFODEF1            0x52C   /* core rev>= 16 only */
 128#define B43_MMIO_XMTFIFOCMD             0x540
 129#define B43_MMIO_XMTFIFOFLUSH           0x542
 130#define B43_MMIO_XMTFIFOTHRESH          0x544
 131#define B43_MMIO_XMTFIFORDY             0x546
 132#define B43_MMIO_XMTFIFOPRIRDY          0x548
 133#define B43_MMIO_XMTFIFORQPRI           0x54A
 134#define B43_MMIO_XMTTPLATETXPTR         0x54C
 135#define B43_MMIO_XMTTPLATEPTR           0x550
 136#define B43_MMIO_SMPL_CLCT_STRPTR       0x552   /* core rev>= 22 only */
 137#define B43_MMIO_SMPL_CLCT_STPPTR       0x554   /* core rev>= 22 only */
 138#define B43_MMIO_SMPL_CLCT_CURPTR       0x556   /* core rev>= 22 only */
 139#define B43_MMIO_XMTTPLATEDATALO        0x560
 140#define B43_MMIO_XMTTPLATEDATAHI        0x562
 141#define B43_MMIO_XMTSEL                 0x568
 142#define B43_MMIO_XMTTXCNT               0x56A
 143#define B43_MMIO_XMTTXSHMADDR           0x56C
 144#define B43_MMIO_TSF_CFP_START_LOW      0x604
 145#define B43_MMIO_TSF_CFP_START_HIGH     0x606
 146#define B43_MMIO_TSF_CFP_PRETBTT        0x612
 147#define B43_MMIO_TSF_CLK_FRAC_LOW       0x62E
 148#define B43_MMIO_TSF_CLK_FRAC_HIGH      0x630
 149#define B43_MMIO_TSF_0                  0x632   /* core rev < 3 only */
 150#define B43_MMIO_TSF_1                  0x634   /* core rev < 3 only */
 151#define B43_MMIO_TSF_2                  0x636   /* core rev < 3 only */
 152#define B43_MMIO_TSF_3                  0x638   /* core rev < 3 only */
 153#define B43_MMIO_RNG                    0x65A
 154#define B43_MMIO_IFSSLOT                0x684   /* Interframe slot time */
 155#define B43_MMIO_IFSCTL                 0x688   /* Interframe space control */
 156#define B43_MMIO_IFSSTAT                0x690
 157#define B43_MMIO_IFSMEDBUSYCTL          0x692
 158#define B43_MMIO_IFTXDUR                0x694
 159#define  B43_MMIO_IFSCTL_USE_EDCF       0x0004
 160#define B43_MMIO_POWERUP_DELAY          0x6A8
 161#define B43_MMIO_BTCOEX_CTL             0x6B4 /* Bluetooth Coexistence Control */
 162#define B43_MMIO_BTCOEX_STAT            0x6B6 /* Bluetooth Coexistence Status */
 163#define B43_MMIO_BTCOEX_TXCTL           0x6B8 /* Bluetooth Coexistence Transmit Control */
 164#define B43_MMIO_WEPCTL                 0x7C0
 165
 166/* SPROM boardflags_lo values */
 167#define B43_BFL_BTCOEXIST               0x0001  /* implements Bluetooth coexistance */
 168#define B43_BFL_PACTRL                  0x0002  /* GPIO 9 controlling the PA */
 169#define B43_BFL_AIRLINEMODE             0x0004  /* implements GPIO 13 radio disable indication */
 170#define B43_BFL_RSSI                    0x0008  /* software calculates nrssi slope. */
 171#define B43_BFL_ENETSPI                 0x0010  /* has ephy roboswitch spi */
 172#define B43_BFL_XTAL_NOSLOW             0x0020  /* no slow clock available */
 173#define B43_BFL_CCKHIPWR                0x0040  /* can do high power CCK transmission */
 174#define B43_BFL_ENETADM                 0x0080  /* has ADMtek switch */
 175#define B43_BFL_ENETVLAN                0x0100  /* can do vlan */
 176#define B43_BFL_AFTERBURNER             0x0200  /* supports Afterburner mode */
 177#define B43_BFL_NOPCI                   0x0400  /* leaves PCI floating */
 178#define B43_BFL_FEM                     0x0800  /* supports the Front End Module */
 179#define B43_BFL_EXTLNA                  0x1000  /* has an external LNA */
 180#define B43_BFL_HGPA                    0x2000  /* had high gain PA */
 181#define B43_BFL_BTCMOD                  0x4000  /* BFL_BTCOEXIST is given in alternate GPIOs */
 182#define B43_BFL_ALTIQ                   0x8000  /* alternate I/Q settings */
 183
 184/* SPROM boardflags_hi values */
 185#define B43_BFH_NOPA                    0x0001  /* has no PA */
 186#define B43_BFH_RSSIINV                 0x0002  /* RSSI uses positive slope (not TSSI) */
 187#define B43_BFH_PAREF                   0x0004  /* uses the PARef LDO */
 188#define B43_BFH_3TSWITCH                0x0008  /* uses a triple throw switch shared
 189                                                 * with bluetooth */
 190#define B43_BFH_PHASESHIFT              0x0010  /* can support phase shifter */
 191#define B43_BFH_BUCKBOOST               0x0020  /* has buck/booster */
 192#define B43_BFH_FEM_BT                  0x0040  /* has FEM and switch to share antenna
 193                                                 * with bluetooth */
 194#define B43_BFH_NOCBUCK                 0x0080
 195#define B43_BFH_PALDO                   0x0200
 196#define B43_BFH_EXTLNA_5GHZ             0x1000  /* has an external LNA (5GHz mode) */
 197
 198/* SPROM boardflags2_lo values */
 199#define B43_BFL2_RXBB_INT_REG_DIS       0x0001  /* external RX BB regulator present */
 200#define B43_BFL2_APLL_WAR               0x0002  /* alternative A-band PLL settings implemented */
 201#define B43_BFL2_TXPWRCTRL_EN           0x0004  /* permits enabling TX Power Control */
 202#define B43_BFL2_2X4_DIV                0x0008  /* 2x4 diversity switch */
 203#define B43_BFL2_5G_PWRGAIN             0x0010  /* supports 5G band power gain */
 204#define B43_BFL2_PCIEWAR_OVR            0x0020  /* overrides ASPM and Clkreq settings */
 205#define B43_BFL2_CAESERS_BRD            0x0040  /* is Caesers board (unused) */
 206#define B43_BFL2_BTC3WIRE               0x0080  /* used 3-wire bluetooth coexist */
 207#define B43_BFL2_SKWRKFEM_BRD           0x0100  /* 4321mcm93 uses Skyworks FEM */
 208#define B43_BFL2_SPUR_WAR               0x0200  /* has a workaround for clock-harmonic spurs */
 209#define B43_BFL2_GPLL_WAR               0x0400  /* altenative G-band PLL settings implemented */
 210#define B43_BFL2_SINGLEANT_CCK          0x1000
 211#define B43_BFL2_2G_SPUR_WAR            0x2000
 212
 213/* SPROM boardflags2_hi values */
 214#define B43_BFH2_GPLL_WAR2              0x0001
 215#define B43_BFH2_IPALVLSHIFT_3P3        0x0002
 216#define B43_BFH2_INTERNDET_TXIQCAL      0x0004
 217#define B43_BFH2_XTALBUFOUTEN           0x0008
 218
 219/* GPIO register offset, in both ChipCommon and PCI core. */
 220#define B43_GPIO_CONTROL                0x6c
 221
 222/* SHM Routing */
 223enum {
 224        B43_SHM_UCODE,          /* Microcode memory */
 225        B43_SHM_SHARED,         /* Shared memory */
 226        B43_SHM_SCRATCH,        /* Scratch memory */
 227        B43_SHM_HW,             /* Internal hardware register */
 228        B43_SHM_RCMTA,          /* Receive match transmitter address (rev >= 5 only) */
 229};
 230/* SHM Routing modifiers */
 231#define B43_SHM_AUTOINC_R               0x0200  /* Auto-increment address on read */
 232#define B43_SHM_AUTOINC_W               0x0100  /* Auto-increment address on write */
 233#define B43_SHM_AUTOINC_RW              (B43_SHM_AUTOINC_R | \
 234                                         B43_SHM_AUTOINC_W)
 235
 236/* Misc SHM_SHARED offsets */
 237#define B43_SHM_SH_WLCOREREV            0x0016  /* 802.11 core revision */
 238#define B43_SHM_SH_PCTLWDPOS            0x0008
 239#define B43_SHM_SH_RXPADOFF             0x0034  /* RX Padding data offset (PIO only) */
 240#define B43_SHM_SH_FWCAPA               0x0042  /* Firmware capabilities (Opensource firmware only) */
 241#define B43_SHM_SH_PHYVER               0x0050  /* PHY version */
 242#define B43_SHM_SH_PHYTYPE              0x0052  /* PHY type */
 243#define B43_SHM_SH_ANTSWAP              0x005C  /* Antenna swap threshold */
 244#define B43_SHM_SH_HOSTFLO              0x005E  /* Hostflags for ucode options (low) */
 245#define B43_SHM_SH_HOSTFMI              0x0060  /* Hostflags for ucode options (middle) */
 246#define B43_SHM_SH_HOSTFHI              0x0062  /* Hostflags for ucode options (high) */
 247#define B43_SHM_SH_RFATT                0x0064  /* Current radio attenuation value */
 248#define B43_SHM_SH_RADAR                0x0066  /* Radar register */
 249#define B43_SHM_SH_PHYTXNOI             0x006E  /* PHY noise directly after TX (lower 8bit only) */
 250#define B43_SHM_SH_RFRXSP1              0x0072  /* RF RX SP Register 1 */
 251#define B43_SHM_SH_CHAN                 0x00A0  /* Current channel (low 8bit only) */
 252#define  B43_SHM_SH_CHAN_5GHZ           0x0100  /* Bit set, if 5 Ghz channel */
 253#define  B43_SHM_SH_CHAN_40MHZ          0x0200  /* Bit set, if 40 Mhz channel width */
 254#define B43_SHM_SH_BCMCFIFOID           0x0108  /* Last posted cookie to the bcast/mcast FIFO */
 255/* TSSI information */
 256#define B43_SHM_SH_TSSI_CCK             0x0058  /* TSSI for last 4 CCK frames (32bit) */
 257#define B43_SHM_SH_TSSI_OFDM_A          0x0068  /* TSSI for last 4 OFDM frames (32bit) */
 258#define B43_SHM_SH_TSSI_OFDM_G          0x0070  /* TSSI for last 4 OFDM frames (32bit) */
 259#define  B43_TSSI_MAX                   0x7F    /* Max value for one TSSI value */
 260/* SHM_SHARED TX FIFO variables */
 261#define B43_SHM_SH_SIZE01               0x0098  /* TX FIFO size for FIFO 0 (low) and 1 (high) */
 262#define B43_SHM_SH_SIZE23               0x009A  /* TX FIFO size for FIFO 2 and 3 */
 263#define B43_SHM_SH_SIZE45               0x009C  /* TX FIFO size for FIFO 4 and 5 */
 264#define B43_SHM_SH_SIZE67               0x009E  /* TX FIFO size for FIFO 6 and 7 */
 265/* SHM_SHARED background noise */
 266#define B43_SHM_SH_JSSI0                0x0088  /* Measure JSSI 0 */
 267#define B43_SHM_SH_JSSI1                0x008A  /* Measure JSSI 1 */
 268#define B43_SHM_SH_JSSIAUX              0x008C  /* Measure JSSI AUX */
 269/* SHM_SHARED crypto engine */
 270#define B43_SHM_SH_DEFAULTIV            0x003C  /* Default IV location */
 271#define B43_SHM_SH_NRRXTRANS            0x003E  /* # of soft RX transmitter addresses (max 8) */
 272#define B43_SHM_SH_KTP                  0x0056  /* Key table pointer */
 273#define B43_SHM_SH_TKIPTSCTTAK          0x0318
 274#define B43_SHM_SH_KEYIDXBLOCK          0x05D4  /* Key index/algorithm block (v4 firmware) */
 275#define B43_SHM_SH_PSM                  0x05F4  /* PSM transmitter address match block (rev < 5) */
 276/* SHM_SHARED WME variables */
 277#define B43_SHM_SH_EDCFSTAT             0x000E  /* EDCF status */
 278#define B43_SHM_SH_TXFCUR               0x0030  /* TXF current index */
 279#define B43_SHM_SH_EDCFQ                0x0240  /* EDCF Q info */
 280/* SHM_SHARED powersave mode related */
 281#define B43_SHM_SH_SLOTT                0x0010  /* Slot time */
 282#define B43_SHM_SH_DTIMPER              0x0012  /* DTIM period */
 283#define B43_SHM_SH_NOSLPZNATDTIM        0x004C  /* NOSLPZNAT DTIM */
 284/* SHM_SHARED beacon/AP variables */
 285#define B43_SHM_SH_BTL0                 0x0018  /* Beacon template length 0 */
 286#define B43_SHM_SH_BTL1                 0x001A  /* Beacon template length 1 */
 287#define B43_SHM_SH_BTSFOFF              0x001C  /* Beacon TSF offset */
 288#define B43_SHM_SH_TIMBPOS              0x001E  /* TIM B position in beacon */
 289#define B43_SHM_SH_DTIMP                0x0012  /* DTIP period */
 290#define B43_SHM_SH_MCASTCOOKIE          0x00A8  /* Last bcast/mcast frame ID */
 291#define B43_SHM_SH_SFFBLIM              0x0044  /* Short frame fallback retry limit */
 292#define B43_SHM_SH_LFFBLIM              0x0046  /* Long frame fallback retry limit */
 293#define B43_SHM_SH_BEACPHYCTL           0x0054  /* Beacon PHY TX control word (see PHY TX control) */
 294#define B43_SHM_SH_EXTNPHYCTL           0x00B0  /* Extended bytes for beacon PHY control (N) */
 295/* SHM_SHARED ACK/CTS control */
 296#define B43_SHM_SH_ACKCTSPHYCTL         0x0022  /* ACK/CTS PHY control word (see PHY TX control) */
 297/* SHM_SHARED probe response variables */
 298#define B43_SHM_SH_PRSSID               0x0160  /* Probe Response SSID */
 299#define B43_SHM_SH_PRSSIDLEN            0x0048  /* Probe Response SSID length */
 300#define B43_SHM_SH_PRTLEN               0x004A  /* Probe Response template length */
 301#define B43_SHM_SH_PRMAXTIME            0x0074  /* Probe Response max time */
 302#define B43_SHM_SH_PRPHYCTL             0x0188  /* Probe Response PHY TX control word */
 303/* SHM_SHARED rate tables */
 304#define B43_SHM_SH_OFDMDIRECT           0x01C0  /* Pointer to OFDM direct map */
 305#define B43_SHM_SH_OFDMBASIC            0x01E0  /* Pointer to OFDM basic rate map */
 306#define B43_SHM_SH_CCKDIRECT            0x0200  /* Pointer to CCK direct map */
 307#define B43_SHM_SH_CCKBASIC             0x0220  /* Pointer to CCK basic rate map */
 308/* SHM_SHARED microcode soft registers */
 309#define B43_SHM_SH_UCODEREV             0x0000  /* Microcode revision */
 310#define B43_SHM_SH_UCODEPATCH           0x0002  /* Microcode patchlevel */
 311#define B43_SHM_SH_UCODEDATE            0x0004  /* Microcode date */
 312#define B43_SHM_SH_UCODETIME            0x0006  /* Microcode time */
 313#define B43_SHM_SH_UCODESTAT            0x0040  /* Microcode debug status code */
 314#define  B43_SHM_SH_UCODESTAT_INVALID   0
 315#define  B43_SHM_SH_UCODESTAT_INIT      1
 316#define  B43_SHM_SH_UCODESTAT_ACTIVE    2
 317#define  B43_SHM_SH_UCODESTAT_SUSP      3       /* suspended */
 318#define  B43_SHM_SH_UCODESTAT_SLEEP     4       /* asleep (PS) */
 319#define B43_SHM_SH_MAXBFRAMES           0x0080  /* Maximum number of frames in a burst */
 320#define B43_SHM_SH_SPUWKUP              0x0094  /* pre-wakeup for synth PU in us */
 321#define B43_SHM_SH_PRETBTT              0x0096  /* pre-TBTT in us */
 322/* SHM_SHARED tx iq workarounds */
 323#define B43_SHM_SH_NPHY_TXIQW0          0x0700
 324#define B43_SHM_SH_NPHY_TXIQW1          0x0702
 325#define B43_SHM_SH_NPHY_TXIQW2          0x0704
 326#define B43_SHM_SH_NPHY_TXIQW3          0x0706
 327/* SHM_SHARED tx pwr ctrl */
 328#define B43_SHM_SH_NPHY_TXPWR_INDX0     0x0708
 329#define B43_SHM_SH_NPHY_TXPWR_INDX1     0x070E
 330
 331/* SHM_SCRATCH offsets */
 332#define B43_SHM_SC_MINCONT              0x0003  /* Minimum contention window */
 333#define B43_SHM_SC_MAXCONT              0x0004  /* Maximum contention window */
 334#define B43_SHM_SC_CURCONT              0x0005  /* Current contention window */
 335#define B43_SHM_SC_SRLIMIT              0x0006  /* Short retry count limit */
 336#define B43_SHM_SC_LRLIMIT              0x0007  /* Long retry count limit */
 337#define B43_SHM_SC_DTIMC                0x0008  /* Current DTIM count */
 338#define B43_SHM_SC_BTL0LEN              0x0015  /* Beacon 0 template length */
 339#define B43_SHM_SC_BTL1LEN              0x0016  /* Beacon 1 template length */
 340#define B43_SHM_SC_SCFB                 0x0017  /* Short frame transmit count threshold for rate fallback */
 341#define B43_SHM_SC_LCFB                 0x0018  /* Long frame transmit count threshold for rate fallback */
 342
 343/* Hardware Radio Enable masks */
 344#define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
 345#define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
 346
 347/* HostFlags. See b43_hf_read/write() */
 348#define B43_HF_ANTDIVHELP       0x000000000001ULL /* ucode antenna div helper */
 349#define B43_HF_SYMW             0x000000000002ULL /* G-PHY SYM workaround */
 350#define B43_HF_RXPULLW          0x000000000004ULL /* RX pullup workaround */
 351#define B43_HF_CCKBOOST         0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */
 352#define B43_HF_BTCOEX           0x000000000010ULL /* Bluetooth coexistance */
 353#define B43_HF_GDCW             0x000000000020ULL /* G-PHY DC canceller filter bw workaround */
 354#define B43_HF_OFDMPABOOST      0x000000000040ULL /* Enable PA gain boost for OFDM */
 355#define B43_HF_ACPR             0x000000000080ULL /* Disable for Japan, channel 14 */
 356#define B43_HF_EDCF             0x000000000100ULL /* on if WME and MAC suspended */
 357#define B43_HF_TSSIRPSMW        0x000000000200ULL /* TSSI reset PSM ucode workaround */
 358#define B43_HF_20IN40IQW        0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */
 359#define B43_HF_DSCRQ            0x000000000400ULL /* Disable slow clock request in ucode */
 360#define B43_HF_ACIW             0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */
 361#define B43_HF_2060W            0x000000001000ULL /* 2060 radio workaround */
 362#define B43_HF_RADARW           0x000000002000ULL /* Radar workaround */
 363#define B43_HF_USEDEFKEYS       0x000000004000ULL /* Enable use of default keys */
 364#define B43_HF_AFTERBURNER      0x000000008000ULL /* Afterburner enabled */
 365#define B43_HF_BT4PRIOCOEX      0x000000010000ULL /* Bluetooth 4-priority coexistance */
 366#define B43_HF_FWKUP            0x000000020000ULL /* Fast wake-up ucode */
 367#define B43_HF_VCORECALC        0x000000040000ULL /* Force VCO recalculation when powering up synthpu */
 368#define B43_HF_PCISCW           0x000000080000ULL /* PCI slow clock workaround */
 369#define B43_HF_4318TSSI         0x000000200000ULL /* 4318 TSSI */
 370#define B43_HF_FBCMCFIFO        0x000000400000ULL /* Flush bcast/mcast FIFO immediately */
 371#define B43_HF_HWPCTL           0x000000800000ULL /* Enable hardwarre power control */
 372#define B43_HF_BTCOEXALT        0x000001000000ULL /* Bluetooth coexistance in alternate pins */
 373#define B43_HF_TXBTCHECK        0x000002000000ULL /* Bluetooth check during transmission */
 374#define B43_HF_SKCFPUP          0x000004000000ULL /* Skip CFP update */
 375#define B43_HF_N40W             0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */
 376#define B43_HF_ANTSEL           0x000020000000ULL /* Antenna selection (for testing antenna div.) */
 377#define B43_HF_BT3COEXT         0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */
 378#define B43_HF_BTCANT           0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */
 379#define B43_HF_ANTSELEN         0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */
 380#define B43_HF_ANTSELMODE       0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */
 381#define B43_HF_MLADVW           0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */
 382#define B43_HF_PR45960W         0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */
 383
 384/* Firmware capabilities field in SHM (Opensource firmware only) */
 385#define B43_FWCAPA_HWCRYPTO     0x0001
 386#define B43_FWCAPA_QOS          0x0002
 387
 388/* MacFilter offsets. */
 389#define B43_MACFILTER_SELF              0x0000
 390#define B43_MACFILTER_BSSID             0x0003
 391
 392/* PowerControl */
 393#define B43_PCTL_IN                     0xB0
 394#define B43_PCTL_OUT                    0xB4
 395#define B43_PCTL_OUTENABLE              0xB8
 396#define B43_PCTL_XTAL_POWERUP           0x40
 397#define B43_PCTL_PLL_POWERDOWN          0x80
 398
 399/* PowerControl Clock Modes */
 400#define B43_PCTL_CLK_FAST               0x00
 401#define B43_PCTL_CLK_SLOW               0x01
 402#define B43_PCTL_CLK_DYNAMIC            0x02
 403
 404#define B43_PCTL_FORCE_SLOW             0x0800
 405#define B43_PCTL_FORCE_PLL              0x1000
 406#define B43_PCTL_DYN_XTAL               0x2000
 407
 408/* PHYVersioning */
 409#define B43_PHYTYPE_A                   0x00
 410#define B43_PHYTYPE_B                   0x01
 411#define B43_PHYTYPE_G                   0x02
 412#define B43_PHYTYPE_N                   0x04
 413#define B43_PHYTYPE_LP                  0x05
 414#define B43_PHYTYPE_SSLPN               0x06
 415#define B43_PHYTYPE_HT                  0x07
 416#define B43_PHYTYPE_LCN                 0x08
 417#define B43_PHYTYPE_LCNXN               0x09
 418
 419/* PHYRegisters */
 420#define B43_PHY_ILT_A_CTRL              0x0072
 421#define B43_PHY_ILT_A_DATA1             0x0073
 422#define B43_PHY_ILT_A_DATA2             0x0074
 423#define B43_PHY_G_LO_CONTROL            0x0810
 424#define B43_PHY_ILT_G_CTRL              0x0472
 425#define B43_PHY_ILT_G_DATA1             0x0473
 426#define B43_PHY_ILT_G_DATA2             0x0474
 427#define B43_PHY_A_PCTL                  0x007B
 428#define B43_PHY_G_PCTL                  0x0029
 429#define B43_PHY_A_CRS                   0x0029
 430#define B43_PHY_RADIO_BITFIELD          0x0401
 431#define B43_PHY_G_CRS                   0x0429
 432#define B43_PHY_NRSSILT_CTRL            0x0803
 433#define B43_PHY_NRSSILT_DATA            0x0804
 434
 435/* RadioRegisters */
 436#define B43_RADIOCTL_ID                 0x01
 437
 438/* MAC Control bitfield */
 439#define B43_MACCTL_ENABLED              0x00000001      /* MAC Enabled */
 440#define B43_MACCTL_PSM_RUN              0x00000002      /* Run Microcode */
 441#define B43_MACCTL_PSM_JMP0             0x00000004      /* Microcode jump to 0 */
 442#define B43_MACCTL_SHM_ENABLED          0x00000100      /* SHM Enabled */
 443#define B43_MACCTL_SHM_UPPER            0x00000200      /* SHM Upper */
 444#define B43_MACCTL_IHR_ENABLED          0x00000400      /* IHR Region Enabled */
 445#define B43_MACCTL_PSM_DBG              0x00002000      /* Microcode debugging enabled */
 446#define B43_MACCTL_GPOUTSMSK            0x0000C000      /* GPOUT Select Mask */
 447#define B43_MACCTL_BE                   0x00010000      /* Big Endian mode */
 448#define B43_MACCTL_INFRA                0x00020000      /* Infrastructure mode */
 449#define B43_MACCTL_AP                   0x00040000      /* AccessPoint mode */
 450#define B43_MACCTL_RADIOLOCK            0x00080000      /* Radio lock */
 451#define B43_MACCTL_BEACPROMISC          0x00100000      /* Beacon Promiscuous */
 452#define B43_MACCTL_KEEP_BADPLCP         0x00200000      /* Keep frames with bad PLCP */
 453#define B43_MACCTL_KEEP_CTL             0x00400000      /* Keep control frames */
 454#define B43_MACCTL_KEEP_BAD             0x00800000      /* Keep bad frames (FCS) */
 455#define B43_MACCTL_PROMISC              0x01000000      /* Promiscuous mode */
 456#define B43_MACCTL_HWPS                 0x02000000      /* Hardware Power Saving */
 457#define B43_MACCTL_AWAKE                0x04000000      /* Device is awake */
 458#define B43_MACCTL_CLOSEDNET            0x08000000      /* Closed net (no SSID bcast) */
 459#define B43_MACCTL_TBTTHOLD             0x10000000      /* TBTT Hold */
 460#define B43_MACCTL_DISCTXSTAT           0x20000000      /* Discard TX status */
 461#define B43_MACCTL_DISCPMQ              0x40000000      /* Discard Power Management Queue */
 462#define B43_MACCTL_GMODE                0x80000000      /* G Mode */
 463
 464/* MAC Command bitfield */
 465#define B43_MACCMD_BEACON0_VALID        0x00000001      /* Beacon 0 in template RAM is busy/valid */
 466#define B43_MACCMD_BEACON1_VALID        0x00000002      /* Beacon 1 in template RAM is busy/valid */
 467#define B43_MACCMD_DFQ_VALID            0x00000004      /* Directed frame queue valid (IBSS PS mode, ATIM) */
 468#define B43_MACCMD_CCA                  0x00000008      /* Clear channel assessment */
 469#define B43_MACCMD_BGNOISE              0x00000010      /* Background noise */
 470
 471/* BCMA 802.11 core specific IO Control (BCMA_IOCTL) flags */
 472#define B43_BCMA_IOCTL_PHY_CLKEN        0x00000004      /* PHY Clock Enable */
 473#define B43_BCMA_IOCTL_PHY_RESET        0x00000008      /* PHY Reset */
 474#define B43_BCMA_IOCTL_MACPHYCLKEN      0x00000010      /* MAC PHY Clock Control Enable */
 475#define B43_BCMA_IOCTL_PLLREFSEL        0x00000020      /* PLL Frequency Reference Select */
 476#define B43_BCMA_IOCTL_PHY_BW           0x000000C0      /* PHY band width and clock speed mask (N-PHY+ only?) */
 477#define  B43_BCMA_IOCTL_PHY_BW_10MHZ    0x00000000      /* 10 MHz bandwidth, 40 MHz PHY */
 478#define  B43_BCMA_IOCTL_PHY_BW_20MHZ    0x00000040      /* 20 MHz bandwidth, 80 MHz PHY */
 479#define  B43_BCMA_IOCTL_PHY_BW_40MHZ    0x00000080      /* 40 MHz bandwidth, 160 MHz PHY */
 480#define B43_BCMA_IOCTL_GMODE            0x00002000      /* G Mode Enable */
 481
 482/* BCMA 802.11 core specific IO status (BCMA_IOST) flags */
 483#define B43_BCMA_IOST_2G_PHY            0x00000001      /* 2.4G capable phy */
 484#define B43_BCMA_IOST_5G_PHY            0x00000002      /* 5G capable phy */
 485#define B43_BCMA_IOST_FASTCLKA          0x00000004      /* Fast Clock Available */
 486#define B43_BCMA_IOST_DUALB_PHY         0x00000008      /* Dualband phy */
 487
 488/* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
 489#define B43_TMSLOW_GMODE                0x20000000      /* G Mode Enable */
 490#define B43_TMSLOW_PHY_BANDWIDTH        0x00C00000      /* PHY band width and clock speed mask (N-PHY only) */
 491#define  B43_TMSLOW_PHY_BANDWIDTH_10MHZ 0x00000000      /* 10 MHz bandwidth, 40 MHz PHY */
 492#define  B43_TMSLOW_PHY_BANDWIDTH_20MHZ 0x00400000      /* 20 MHz bandwidth, 80 MHz PHY */
 493#define  B43_TMSLOW_PHY_BANDWIDTH_40MHZ 0x00800000      /* 40 MHz bandwidth, 160 MHz PHY */
 494#define B43_TMSLOW_PLLREFSEL            0x00200000      /* PLL Frequency Reference Select (rev >= 5) */
 495#define B43_TMSLOW_MACPHYCLKEN          0x00100000      /* MAC PHY Clock Control Enable (rev >= 5) */
 496#define B43_TMSLOW_PHYRESET             0x00080000      /* PHY Reset */
 497#define B43_TMSLOW_PHYCLKEN             0x00040000      /* PHY Clock Enable */
 498
 499/* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
 500#define B43_TMSHIGH_DUALBAND_PHY        0x00080000      /* Dualband PHY available */
 501#define B43_TMSHIGH_FCLOCK              0x00040000      /* Fast Clock Available (rev >= 5) */
 502#define B43_TMSHIGH_HAVE_5GHZ_PHY       0x00020000      /* 5 GHz PHY available (rev >= 5) */
 503#define B43_TMSHIGH_HAVE_2GHZ_PHY       0x00010000      /* 2.4 GHz PHY available (rev >= 5) */
 504
 505/* Generic-Interrupt reasons. */
 506#define B43_IRQ_MAC_SUSPENDED           0x00000001
 507#define B43_IRQ_BEACON                  0x00000002
 508#define B43_IRQ_TBTT_INDI               0x00000004
 509#define B43_IRQ_BEACON_TX_OK            0x00000008
 510#define B43_IRQ_BEACON_CANCEL           0x00000010
 511#define B43_IRQ_ATIM_END                0x00000020
 512#define B43_IRQ_PMQ                     0x00000040
 513#define B43_IRQ_PIO_WORKAROUND          0x00000100
 514#define B43_IRQ_MAC_TXERR               0x00000200
 515#define B43_IRQ_PHY_TXERR               0x00000800
 516#define B43_IRQ_PMEVENT                 0x00001000
 517#define B43_IRQ_TIMER0                  0x00002000
 518#define B43_IRQ_TIMER1                  0x00004000
 519#define B43_IRQ_DMA                     0x00008000
 520#define B43_IRQ_TXFIFO_FLUSH_OK         0x00010000
 521#define B43_IRQ_CCA_MEASURE_OK          0x00020000
 522#define B43_IRQ_NOISESAMPLE_OK          0x00040000
 523#define B43_IRQ_UCODE_DEBUG             0x08000000
 524#define B43_IRQ_RFKILL                  0x10000000
 525#define B43_IRQ_TX_OK                   0x20000000
 526#define B43_IRQ_PHY_G_CHANGED           0x40000000
 527#define B43_IRQ_TIMEOUT                 0x80000000
 528
 529#define B43_IRQ_ALL                     0xFFFFFFFF
 530#define B43_IRQ_MASKTEMPLATE            (B43_IRQ_TBTT_INDI | \
 531                                         B43_IRQ_ATIM_END | \
 532                                         B43_IRQ_PMQ | \
 533                                         B43_IRQ_MAC_TXERR | \
 534                                         B43_IRQ_PHY_TXERR | \
 535                                         B43_IRQ_DMA | \
 536                                         B43_IRQ_TXFIFO_FLUSH_OK | \
 537                                         B43_IRQ_NOISESAMPLE_OK | \
 538                                         B43_IRQ_UCODE_DEBUG | \
 539                                         B43_IRQ_RFKILL | \
 540                                         B43_IRQ_TX_OK)
 541
 542/* The firmware register to fetch the debug-IRQ reason from. */
 543#define B43_DEBUGIRQ_REASON_REG         63
 544/* Debug-IRQ reasons. */
 545#define B43_DEBUGIRQ_PANIC              0       /* The firmware panic'ed */
 546#define B43_DEBUGIRQ_DUMP_SHM           1       /* Dump shared SHM */
 547#define B43_DEBUGIRQ_DUMP_REGS          2       /* Dump the microcode registers */
 548#define B43_DEBUGIRQ_MARKER             3       /* A "marker" was thrown by the firmware. */
 549#define B43_DEBUGIRQ_ACK                0xFFFF  /* The host writes that to ACK the IRQ */
 550
 551/* The firmware register that contains the "marker" line. */
 552#define B43_MARKER_ID_REG               2
 553#define B43_MARKER_LINE_REG             3
 554
 555/* The firmware register to fetch the panic reason from. */
 556#define B43_FWPANIC_REASON_REG          3
 557/* Firmware panic reason codes */
 558#define B43_FWPANIC_DIE                 0 /* Firmware died. Don't auto-restart it. */
 559#define B43_FWPANIC_RESTART             1 /* Firmware died. Schedule a controller reset. */
 560
 561/* The firmware register that contains the watchdog counter. */
 562#define B43_WATCHDOG_REG                1
 563
 564/* Device specific rate values.
 565 * The actual values defined here are (rate_in_mbps * 2).
 566 * Some code depends on this. Don't change it. */
 567#define B43_CCK_RATE_1MB                0x02
 568#define B43_CCK_RATE_2MB                0x04
 569#define B43_CCK_RATE_5MB                0x0B
 570#define B43_CCK_RATE_11MB               0x16
 571#define B43_OFDM_RATE_6MB               0x0C
 572#define B43_OFDM_RATE_9MB               0x12
 573#define B43_OFDM_RATE_12MB              0x18
 574#define B43_OFDM_RATE_18MB              0x24
 575#define B43_OFDM_RATE_24MB              0x30
 576#define B43_OFDM_RATE_36MB              0x48
 577#define B43_OFDM_RATE_48MB              0x60
 578#define B43_OFDM_RATE_54MB              0x6C
 579/* Convert a b43 rate value to a rate in 100kbps */
 580#define B43_RATE_TO_BASE100KBPS(rate)   (((rate) * 10) / 2)
 581
 582#define B43_DEFAULT_SHORT_RETRY_LIMIT   7
 583#define B43_DEFAULT_LONG_RETRY_LIMIT    4
 584
 585#define B43_PHY_TX_BADNESS_LIMIT        1000
 586
 587/* Max size of a security key */
 588#define B43_SEC_KEYSIZE                 16
 589/* Max number of group keys */
 590#define B43_NR_GROUP_KEYS               4
 591/* Max number of pairwise keys */
 592#define B43_NR_PAIRWISE_KEYS            50
 593/* Security algorithms. */
 594enum {
 595        B43_SEC_ALGO_NONE = 0,  /* unencrypted, as of TX header. */
 596        B43_SEC_ALGO_WEP40,
 597        B43_SEC_ALGO_TKIP,
 598        B43_SEC_ALGO_AES,
 599        B43_SEC_ALGO_WEP104,
 600        B43_SEC_ALGO_AES_LEGACY,
 601};
 602
 603struct b43_dmaring;
 604
 605/* The firmware file header */
 606#define B43_FW_TYPE_UCODE       'u'
 607#define B43_FW_TYPE_PCM         'p'
 608#define B43_FW_TYPE_IV          'i'
 609struct b43_fw_header {
 610        /* File type */
 611        u8 type;
 612        /* File format version */
 613        u8 ver;
 614        u8 __padding[2];
 615        /* Size of the data. For ucode and PCM this is in bytes.
 616         * For IV this is number-of-ivs. */
 617        __be32 size;
 618} __packed;
 619
 620/* Initial Value file format */
 621#define B43_IV_OFFSET_MASK      0x7FFF
 622#define B43_IV_32BIT            0x8000
 623struct b43_iv {
 624        __be16 offset_size;
 625        union {
 626                __be16 d16;
 627                __be32 d32;
 628        } data __packed;
 629} __packed;
 630
 631
 632/* Data structures for DMA transmission, per 80211 core. */
 633struct b43_dma {
 634        struct b43_dmaring *tx_ring_AC_BK; /* Background */
 635        struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */
 636        struct b43_dmaring *tx_ring_AC_VI; /* Video */
 637        struct b43_dmaring *tx_ring_AC_VO; /* Voice */
 638        struct b43_dmaring *tx_ring_mcast; /* Multicast */
 639
 640        struct b43_dmaring *rx_ring;
 641
 642        u32 translation; /* Routing bits */
 643        bool translation_in_low; /* Should translation bit go into low addr? */
 644        bool parity; /* Check for parity */
 645};
 646
 647struct b43_pio_txqueue;
 648struct b43_pio_rxqueue;
 649
 650/* Data structures for PIO transmission, per 80211 core. */
 651struct b43_pio {
 652        struct b43_pio_txqueue *tx_queue_AC_BK; /* Background */
 653        struct b43_pio_txqueue *tx_queue_AC_BE; /* Best Effort */
 654        struct b43_pio_txqueue *tx_queue_AC_VI; /* Video */
 655        struct b43_pio_txqueue *tx_queue_AC_VO; /* Voice */
 656        struct b43_pio_txqueue *tx_queue_mcast; /* Multicast */
 657
 658        struct b43_pio_rxqueue *rx_queue;
 659};
 660
 661/* Context information for a noise calculation (Link Quality). */
 662struct b43_noise_calculation {
 663        bool calculation_running;
 664        u8 nr_samples;
 665        s8 samples[8][4];
 666};
 667
 668struct b43_stats {
 669        u8 link_noise;
 670};
 671
 672struct b43_key {
 673        /* If keyconf is NULL, this key is disabled.
 674         * keyconf is a cookie. Don't derefenrence it outside of the set_key
 675         * path, because b43 doesn't own it. */
 676        struct ieee80211_key_conf *keyconf;
 677        u8 algorithm;
 678};
 679
 680/* SHM offsets to the QOS data structures for the 4 different queues. */
 681#define B43_QOS_QUEUE_NUM       4
 682#define B43_QOS_PARAMS(queue)   (B43_SHM_SH_EDCFQ + \
 683                                 (B43_NR_QOSPARAMS * sizeof(u16) * (queue)))
 684#define B43_QOS_BACKGROUND      B43_QOS_PARAMS(0)
 685#define B43_QOS_BESTEFFORT      B43_QOS_PARAMS(1)
 686#define B43_QOS_VIDEO           B43_QOS_PARAMS(2)
 687#define B43_QOS_VOICE           B43_QOS_PARAMS(3)
 688
 689/* QOS parameter hardware data structure offsets. */
 690#define B43_NR_QOSPARAMS        16
 691enum {
 692        B43_QOSPARAM_TXOP = 0,
 693        B43_QOSPARAM_CWMIN,
 694        B43_QOSPARAM_CWMAX,
 695        B43_QOSPARAM_CWCUR,
 696        B43_QOSPARAM_AIFS,
 697        B43_QOSPARAM_BSLOTS,
 698        B43_QOSPARAM_REGGAP,
 699        B43_QOSPARAM_STATUS,
 700};
 701
 702/* QOS parameters for a queue. */
 703struct b43_qos_params {
 704        /* The QOS parameters */
 705        struct ieee80211_tx_queue_params p;
 706};
 707
 708struct b43_wl;
 709
 710/* The type of the firmware file. */
 711enum b43_firmware_file_type {
 712        B43_FWTYPE_PROPRIETARY,
 713        B43_FWTYPE_OPENSOURCE,
 714        B43_NR_FWTYPES,
 715};
 716
 717/* Context data for fetching firmware. */
 718struct b43_request_fw_context {
 719        /* The device we are requesting the fw for. */
 720        struct b43_wldev *dev;
 721        /* The type of firmware to request. */
 722        enum b43_firmware_file_type req_type;
 723        /* Error messages for each firmware type. */
 724        char errors[B43_NR_FWTYPES][128];
 725        /* Temporary buffer for storing the firmware name. */
 726        char fwname[64];
 727        /* A fatal error occurred while requesting. Firmware request
 728         * can not continue, as any other request will also fail. */
 729        int fatal_failure;
 730};
 731
 732/* In-memory representation of a cached microcode file. */
 733struct b43_firmware_file {
 734        const char *filename;
 735        const struct firmware *data;
 736        /* Type of the firmware file name. Note that this does only indicate
 737         * the type by the firmware name. NOT the file contents.
 738         * If you want to check for proprietary vs opensource, use (struct b43_firmware)->opensource
 739         * instead! The (struct b43_firmware)->opensource flag is derived from the actual firmware
 740         * binary code, not just the filename.
 741         */
 742        enum b43_firmware_file_type type;
 743};
 744
 745enum b43_firmware_hdr_format {
 746        B43_FW_HDR_598,
 747        B43_FW_HDR_410,
 748        B43_FW_HDR_351,
 749};
 750
 751/* Pointers to the firmware data and meta information about it. */
 752struct b43_firmware {
 753        /* Microcode */
 754        struct b43_firmware_file ucode;
 755        /* PCM code */
 756        struct b43_firmware_file pcm;
 757        /* Initial MMIO values for the firmware */
 758        struct b43_firmware_file initvals;
 759        /* Initial MMIO values for the firmware, band-specific */
 760        struct b43_firmware_file initvals_band;
 761
 762        /* Firmware revision */
 763        u16 rev;
 764        /* Firmware patchlevel */
 765        u16 patch;
 766
 767        /* Format of header used by firmware */
 768        enum b43_firmware_hdr_format hdr_format;
 769
 770        /* Set to true, if we are using an opensource firmware.
 771         * Use this to check for proprietary vs opensource. */
 772        bool opensource;
 773        /* Set to true, if the core needs a PCM firmware, but
 774         * we failed to load one. This is always false for
 775         * core rev > 10, as these don't need PCM firmware. */
 776        bool pcm_request_failed;
 777};
 778
 779/* Device (802.11 core) initialization status. */
 780enum {
 781        B43_STAT_UNINIT = 0,    /* Uninitialized. */
 782        B43_STAT_INITIALIZED = 1,       /* Initialized, but not started, yet. */
 783        B43_STAT_STARTED = 2,   /* Up and running. */
 784};
 785#define b43_status(wldev)               atomic_read(&(wldev)->__init_status)
 786#define b43_set_status(wldev, stat)     do {                    \
 787                atomic_set(&(wldev)->__init_status, (stat));    \
 788                smp_wmb();                                      \
 789                                        } while (0)
 790
 791/* Data structure for one wireless device (802.11 core) */
 792struct b43_wldev {
 793        struct b43_bus_dev *dev;
 794        struct b43_wl *wl;
 795
 796        /* The device initialization status.
 797         * Use b43_status() to query. */
 798        atomic_t __init_status;
 799
 800        bool bad_frames_preempt;        /* Use "Bad Frames Preemption" (default off) */
 801        bool dfq_valid;         /* Directed frame queue valid (IBSS PS mode, ATIM) */
 802        bool radio_hw_enable;   /* saved state of radio hardware enabled state */
 803        bool qos_enabled;               /* TRUE, if QoS is used. */
 804        bool hwcrypto_enabled;          /* TRUE, if HW crypto acceleration is enabled. */
 805        bool use_pio;                   /* TRUE if next init should use PIO */
 806
 807        /* PHY/Radio device. */
 808        struct b43_phy phy;
 809
 810        union {
 811                /* DMA engines. */
 812                struct b43_dma dma;
 813                /* PIO engines. */
 814                struct b43_pio pio;
 815        };
 816        /* Use b43_using_pio_transfers() to check whether we are using
 817         * DMA or PIO data transfers. */
 818        bool __using_pio_transfers;
 819
 820        /* Various statistics about the physical device. */
 821        struct b43_stats stats;
 822
 823        /* Reason code of the last interrupt. */
 824        u32 irq_reason;
 825        u32 dma_reason[6];
 826        /* The currently active generic-interrupt mask. */
 827        u32 irq_mask;
 828
 829        /* Link Quality calculation context. */
 830        struct b43_noise_calculation noisecalc;
 831        /* if > 0 MAC is suspended. if == 0 MAC is enabled. */
 832        int mac_suspended;
 833
 834        /* Periodic tasks */
 835        struct delayed_work periodic_work;
 836        unsigned int periodic_state;
 837
 838        struct work_struct restart_work;
 839
 840        /* encryption/decryption */
 841        u16 ktp;                /* Key table pointer */
 842        struct b43_key key[B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS];
 843
 844        /* Firmware data */
 845        struct b43_firmware fw;
 846
 847        /* Devicelist in struct b43_wl (all 802.11 cores) */
 848        struct list_head list;
 849
 850        /* Debugging stuff follows. */
 851#ifdef CONFIG_B43_DEBUG
 852        struct b43_dfsentry *dfsentry;
 853        unsigned int irq_count;
 854        unsigned int irq_bit_count[32];
 855        unsigned int tx_count;
 856        unsigned int rx_count;
 857#endif
 858};
 859
 860/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
 861struct b43_wl {
 862        /* Pointer to the active wireless device on this chip */
 863        struct b43_wldev *current_dev;
 864        /* Pointer to the ieee80211 hardware data structure */
 865        struct ieee80211_hw *hw;
 866
 867        /* Global driver mutex. Every operation must run with this mutex locked. */
 868        struct mutex mutex;
 869        /* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
 870         * handler, only. This basically is just the IRQ mask register. */
 871        spinlock_t hardirq_lock;
 872
 873        /* The number of queues that were registered with the mac80211 subsystem
 874         * initially. This is a backup copy of hw->queues in case hw->queues has
 875         * to be dynamically lowered at runtime (Firmware does not support QoS).
 876         * hw->queues has to be restored to the original value before unregistering
 877         * from the mac80211 subsystem. */
 878        u16 mac80211_initially_registered_queues;
 879
 880        /* We can only have one operating interface (802.11 core)
 881         * at a time. General information about this interface follows.
 882         */
 883
 884        struct ieee80211_vif *vif;
 885        /* The MAC address of the operating interface. */
 886        u8 mac_addr[ETH_ALEN];
 887        /* Current BSSID */
 888        u8 bssid[ETH_ALEN];
 889        /* Interface type. (NL80211_IFTYPE_XXX) */
 890        int if_type;
 891        /* Is the card operating in AP, STA or IBSS mode? */
 892        bool operating;
 893        /* filter flags */
 894        unsigned int filter_flags;
 895        /* Stats about the wireless interface */
 896        struct ieee80211_low_level_stats ieee_stats;
 897
 898#ifdef CONFIG_B43_HWRNG
 899        struct hwrng rng;
 900        bool rng_initialized;
 901        char rng_name[30 + 1];
 902#endif /* CONFIG_B43_HWRNG */
 903
 904        /* List of all wireless devices on this chip */
 905        struct list_head devlist;
 906        u8 nr_devs;
 907
 908        bool radiotap_enabled;
 909        bool radio_enabled;
 910
 911        /* The beacon we are currently using (AP or IBSS mode). */
 912        struct sk_buff *current_beacon;
 913        bool beacon0_uploaded;
 914        bool beacon1_uploaded;
 915        bool beacon_templates_virgin; /* Never wrote the templates? */
 916        struct work_struct beacon_update_trigger;
 917
 918        /* The current QOS parameters for the 4 queues. */
 919        struct b43_qos_params qos_params[B43_QOS_QUEUE_NUM];
 920
 921        /* Work for adjustment of the transmission power.
 922         * This is scheduled when we determine that the actual TX output
 923         * power doesn't match what we want. */
 924        struct work_struct txpower_adjust_work;
 925
 926        /* Packet transmit work */
 927        struct work_struct tx_work;
 928
 929        /* Queue of packets to be transmitted. */
 930        struct sk_buff_head tx_queue[B43_QOS_QUEUE_NUM];
 931
 932        /* Flag that implement the queues stopping. */
 933        bool tx_queue_stopped[B43_QOS_QUEUE_NUM];
 934
 935        /* The device LEDs. */
 936        struct b43_leds leds;
 937
 938        /* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
 939        u8 pio_scratchspace[118] __attribute__((__aligned__(8)));
 940        u8 pio_tailspace[4] __attribute__((__aligned__(8)));
 941};
 942
 943static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw)
 944{
 945        return hw->priv;
 946}
 947
 948static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev)
 949{
 950        struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
 951        return ssb_get_drvdata(ssb_dev);
 952}
 953
 954/* Is the device operating in a specified mode (NL80211_IFTYPE_XXX). */
 955static inline int b43_is_mode(struct b43_wl *wl, int type)
 956{
 957        return (wl->operating && wl->if_type == type);
 958}
 959
 960/**
 961 * b43_current_band - Returns the currently used band.
 962 * Returns one of IEEE80211_BAND_2GHZ and IEEE80211_BAND_5GHZ.
 963 */
 964static inline enum ieee80211_band b43_current_band(struct b43_wl *wl)
 965{
 966        return wl->hw->conf.channel->band;
 967}
 968
 969static inline int b43_bus_may_powerdown(struct b43_wldev *wldev)
 970{
 971        return wldev->dev->bus_may_powerdown(wldev->dev);
 972}
 973static inline int b43_bus_powerup(struct b43_wldev *wldev, bool dynamic_pctl)
 974{
 975        return wldev->dev->bus_powerup(wldev->dev, dynamic_pctl);
 976}
 977static inline int b43_device_is_enabled(struct b43_wldev *wldev)
 978{
 979        return wldev->dev->device_is_enabled(wldev->dev);
 980}
 981static inline void b43_device_enable(struct b43_wldev *wldev,
 982                                     u32 core_specific_flags)
 983{
 984        wldev->dev->device_enable(wldev->dev, core_specific_flags);
 985}
 986static inline void b43_device_disable(struct b43_wldev *wldev,
 987                                      u32 core_specific_flags)
 988{
 989        wldev->dev->device_disable(wldev->dev, core_specific_flags);
 990}
 991
 992static inline u16 b43_read16(struct b43_wldev *dev, u16 offset)
 993{
 994        return dev->dev->read16(dev->dev, offset);
 995}
 996
 997static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value)
 998{
 999        dev->dev->write16(dev->dev, offset, value);
1000}
1001
1002static inline u32 b43_read32(struct b43_wldev *dev, u16 offset)
1003{
1004        return dev->dev->read32(dev->dev, offset);
1005}
1006
1007static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value)
1008{
1009        dev->dev->write32(dev->dev, offset, value);
1010}
1011
1012static inline void b43_block_read(struct b43_wldev *dev, void *buffer,
1013                                 size_t count, u16 offset, u8 reg_width)
1014{
1015        dev->dev->block_read(dev->dev, buffer, count, offset, reg_width);
1016}
1017
1018static inline void b43_block_write(struct b43_wldev *dev, const void *buffer,
1019                                   size_t count, u16 offset, u8 reg_width)
1020{
1021        dev->dev->block_write(dev->dev, buffer, count, offset, reg_width);
1022}
1023
1024static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
1025{
1026        return dev->__using_pio_transfers;
1027}
1028
1029/* Message printing */
1030__printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
1031__printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
1032__printf(2, 3) void b43warn(struct b43_wl *wl, const char *fmt, ...);
1033__printf(2, 3) void b43dbg(struct b43_wl *wl, const char *fmt, ...);
1034
1035
1036/* A WARN_ON variant that vanishes when b43 debugging is disabled.
1037 * This _also_ evaluates the arg with debugging disabled. */
1038#if B43_DEBUG
1039# define B43_WARN_ON(x) WARN_ON(x)
1040#else
1041static inline bool __b43_warn_on_dummy(bool x) { return x; }
1042# define B43_WARN_ON(x) __b43_warn_on_dummy(unlikely(!!(x)))
1043#endif
1044
1045/* Convert an integer to a Q5.2 value */
1046#define INT_TO_Q52(i)   ((i) << 2)
1047/* Convert a Q5.2 value to an integer (precision loss!) */
1048#define Q52_TO_INT(q52) ((q52) >> 2)
1049/* Macros for printing a value in Q5.2 format */
1050#define Q52_FMT         "%u.%u"
1051#define Q52_ARG(q52)    Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4)
1052
1053#endif /* B43_H_ */
1054