drivers/net/wireless/b43legacy/b43legacy.h

   1 #ifndef B43legacy_H_
   2 #define B43legacy_H_
   3
   4 #include <linux/hw_random.h>
   5 #include <linux/kernel.h>
   6 #include <linux/spinlock.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/stringify.h>
   9 #include <linux/netdevice.h>
  10 #include <linux/pci.h>
  11 #include <linux/atomic.h>
  12 #include <linux/io.h>
  13
  14 #include <linux/ssb/ssb.h>
  15 #include <linux/ssb/ssb_driver_chipcommon.h>
  16
  17 #include <net/mac80211.h>
  18
  19 #include "debugfs.h"
  20 #include "leds.h"
  21 #include "rfkill.h"
  22 #include "phy.h"
  23
  24
  25 /* The unique identifier of the firmware that's officially supported by this
  26  * driver version. */
  27 #define B43legacy_SUPPORTED_FIRMWARE_ID "FW10"
  28
  29 #define B43legacy_IRQWAIT_MAX_RETRIES   20
  30
  31 /* MMIO offsets */
  32 #define B43legacy_MMIO_DMA0_REASON      0x20
  33 #define B43legacy_MMIO_DMA0_IRQ_MASK    0x24
  34 #define B43legacy_MMIO_DMA1_REASON      0x28
  35 #define B43legacy_MMIO_DMA1_IRQ_MASK    0x2C
  36 #define B43legacy_MMIO_DMA2_REASON      0x30
  37 #define B43legacy_MMIO_DMA2_IRQ_MASK    0x34
  38 #define B43legacy_MMIO_DMA3_REASON      0x38
  39 #define B43legacy_MMIO_DMA3_IRQ_MASK    0x3C
  40 #define B43legacy_MMIO_DMA4_REASON      0x40
  41 #define B43legacy_MMIO_DMA4_IRQ_MASK    0x44
  42 #define B43legacy_MMIO_DMA5_REASON      0x48
  43 #define B43legacy_MMIO_DMA5_IRQ_MASK    0x4C
  44 #define B43legacy_MMIO_MACCTL           0x120   /* MAC control */
  45 #define B43legacy_MMIO_MACCMD           0x124   /* MAC command */
  46 #define B43legacy_MMIO_GEN_IRQ_REASON   0x128
  47 #define B43legacy_MMIO_GEN_IRQ_MASK     0x12C
  48 #define B43legacy_MMIO_RAM_CONTROL      0x130
  49 #define B43legacy_MMIO_RAM_DATA         0x134
  50 #define B43legacy_MMIO_PS_STATUS                0x140
  51 #define B43legacy_MMIO_RADIO_HWENABLED_HI       0x158
  52 #define B43legacy_MMIO_SHM_CONTROL      0x160
  53 #define B43legacy_MMIO_SHM_DATA         0x164
  54 #define B43legacy_MMIO_SHM_DATA_UNALIGNED       0x166
  55 #define B43legacy_MMIO_XMITSTAT_0               0x170
  56 #define B43legacy_MMIO_XMITSTAT_1               0x174
  57 #define B43legacy_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */
  58 #define B43legacy_MMIO_REV3PLUS_TSF_HIGH        0x184 /* core rev >= 3 only */
  59 #define B43legacy_MMIO_TSF_CFP_REP      0x188
  60 #define B43legacy_MMIO_TSF_CFP_START    0x18C
  61 /* 32-bit DMA */
  62 #define B43legacy_MMIO_DMA32_BASE0      0x200
  63 #define B43legacy_MMIO_DMA32_BASE1      0x220
  64 #define B43legacy_MMIO_DMA32_BASE2      0x240
  65 #define B43legacy_MMIO_DMA32_BASE3      0x260
  66 #define B43legacy_MMIO_DMA32_BASE4      0x280
  67 #define B43legacy_MMIO_DMA32_BASE5      0x2A0
  68 /* 64-bit DMA */
  69 #define B43legacy_MMIO_DMA64_BASE0      0x200
  70 #define B43legacy_MMIO_DMA64_BASE1      0x240
  71 #define B43legacy_MMIO_DMA64_BASE2      0x280
  72 #define B43legacy_MMIO_DMA64_BASE3      0x2C0
  73 #define B43legacy_MMIO_DMA64_BASE4      0x300
  74 #define B43legacy_MMIO_DMA64_BASE5      0x340
  75 /* PIO */
  76 #define B43legacy_MMIO_PIO1_BASE                0x300
  77 #define B43legacy_MMIO_PIO2_BASE                0x310
  78 #define B43legacy_MMIO_PIO3_BASE                0x320
  79 #define B43legacy_MMIO_PIO4_BASE                0x330
  80
  81 #define B43legacy_MMIO_PHY_VER          0x3E0
  82 #define B43legacy_MMIO_PHY_RADIO                0x3E2
  83 #define B43legacy_MMIO_PHY0             0x3E6
  84 #define B43legacy_MMIO_ANTENNA          0x3E8
  85 #define B43legacy_MMIO_CHANNEL          0x3F0
  86 #define B43legacy_MMIO_CHANNEL_EXT      0x3F4
  87 #define B43legacy_MMIO_RADIO_CONTROL    0x3F6
  88 #define B43legacy_MMIO_RADIO_DATA_HIGH  0x3F8
  89 #define B43legacy_MMIO_RADIO_DATA_LOW   0x3FA
  90 #define B43legacy_MMIO_PHY_CONTROL      0x3FC
  91 #define B43legacy_MMIO_PHY_DATA         0x3FE
  92 #define B43legacy_MMIO_MACFILTER_CONTROL        0x420
  93 #define B43legacy_MMIO_MACFILTER_DATA   0x422
  94 #define B43legacy_MMIO_RCMTA_COUNT      0x43C /* Receive Match Transmitter Addr */
  95 #define B43legacy_MMIO_RADIO_HWENABLED_LO       0x49A
  96 #define B43legacy_MMIO_GPIO_CONTROL     0x49C
  97 #define B43legacy_MMIO_GPIO_MASK                0x49E
  98 #define B43legacy_MMIO_TSF_CFP_PRETBTT  0x612
  99 #define B43legacy_MMIO_TSF_0            0x632 /* core rev < 3 only */
 100 #define B43legacy_MMIO_TSF_1            0x634 /* core rev < 3 only */
 101 #define B43legacy_MMIO_TSF_2            0x636 /* core rev < 3 only */
 102 #define B43legacy_MMIO_TSF_3            0x638 /* core rev < 3 only */
 103 #define B43legacy_MMIO_RNG              0x65A
 104 #define B43legacy_MMIO_POWERUP_DELAY    0x6A8
 105
 106 /* SPROM boardflags_lo values */
 107 #define B43legacy_BFL_PACTRL            0x0002
 108 #define B43legacy_BFL_RSSI              0x0008
 109 #define B43legacy_BFL_EXTLNA            0x1000
 110
 111 /* GPIO register offset, in both ChipCommon and PCI core. */
 112 #define B43legacy_GPIO_CONTROL          0x6c
 113
 114 /* SHM Routing */
 115 #define B43legacy_SHM_SHARED            0x0001
 116 #define B43legacy_SHM_WIRELESS          0x0002
 117 #define B43legacy_SHM_HW                0x0004
 118 #define B43legacy_SHM_UCODE             0x0300
 119
 120 /* SHM Routing modifiers */
 121 #define B43legacy_SHM_AUTOINC_R         0x0200 /* Read Auto-increment */
 122 #define B43legacy_SHM_AUTOINC_W         0x0100 /* Write Auto-increment */
 123 #define B43legacy_SHM_AUTOINC_RW        (B43legacy_SHM_AUTOINC_R | \
 124                                          B43legacy_SHM_AUTOINC_W)
 125
 126 /* Misc SHM_SHARED offsets */
 127 #define B43legacy_SHM_SH_WLCOREREV      0x0016 /* 802.11 core revision */
 128 #define B43legacy_SHM_SH_HOSTFLO        0x005E /* Hostflags ucode opts (low) */
 129 #define B43legacy_SHM_SH_HOSTFHI        0x0060 /* Hostflags ucode opts (high) */
 130 /* SHM_SHARED crypto engine */
 131 #define B43legacy_SHM_SH_KEYIDXBLOCK    0x05D4 /* Key index/algorithm block */
 132 /* SHM_SHARED beacon/AP variables */
 133 #define B43legacy_SHM_SH_DTIMP          0x0012 /* DTIM period */
 134 #define B43legacy_SHM_SH_BTL0           0x0018 /* Beacon template length 0 */
 135 #define B43legacy_SHM_SH_BTL1           0x001A /* Beacon template length 1 */
 136 #define B43legacy_SHM_SH_BTSFOFF        0x001C /* Beacon TSF offset */
 137 #define B43legacy_SHM_SH_TIMPOS         0x001E /* TIM position in beacon */
 138 #define B43legacy_SHM_SH_BEACPHYCTL     0x0054 /* Beacon PHY TX control word */
 139 /* SHM_SHARED ACK/CTS control */
 140 #define B43legacy_SHM_SH_ACKCTSPHYCTL   0x0022 /* ACK/CTS PHY control word */
 141 /* SHM_SHARED probe response variables */
 142 #define B43legacy_SHM_SH_PRTLEN         0x004A /* Probe Response template length */
 143 #define B43legacy_SHM_SH_PRMAXTIME      0x0074 /* Probe Response max time */
 144 #define B43legacy_SHM_SH_PRPHYCTL       0x0188 /* Probe Resp PHY TX control */
 145 /* SHM_SHARED rate tables */
 146 #define B43legacy_SHM_SH_OFDMDIRECT     0x0480 /* Pointer to OFDM direct map */
 147 #define B43legacy_SHM_SH_OFDMBASIC      0x04A0 /* Pointer to OFDM basic rate map */
 148 #define B43legacy_SHM_SH_CCKDIRECT      0x04C0 /* Pointer to CCK direct map */
 149 #define B43legacy_SHM_SH_CCKBASIC       0x04E0 /* Pointer to CCK basic rate map */
 150 /* SHM_SHARED microcode soft registers */
 151 #define B43legacy_SHM_SH_UCODEREV       0x0000 /* Microcode revision */
 152 #define B43legacy_SHM_SH_UCODEPATCH     0x0002 /* Microcode patchlevel */
 153 #define B43legacy_SHM_SH_UCODEDATE      0x0004 /* Microcode date */
 154 #define B43legacy_SHM_SH_UCODETIME      0x0006 /* Microcode time */
 155 #define B43legacy_SHM_SH_SPUWKUP        0x0094 /* pre-wakeup for synth PU in us */
 156 #define B43legacy_SHM_SH_PRETBTT        0x0096 /* pre-TBTT in us */
 157
 158 #define B43legacy_UCODEFLAGS_OFFSET     0x005E
 159
 160 /* Hardware Radio Enable masks */
 161 #define B43legacy_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
 162 #define B43legacy_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
 163
 164 /* HostFlags. See b43legacy_hf_read/write() */
 165 #define B43legacy_HF_SYMW               0x00000002 /* G-PHY SYM workaround */
 166 #define B43legacy_HF_GDCW               0x00000020 /* G-PHY DV cancel filter */
 167 #define B43legacy_HF_OFDMPABOOST        0x00000040 /* Enable PA boost OFDM */
 168 #define B43legacy_HF_EDCF               0x00000100 /* on if WME/MAC suspended */
 169
 170 /* MacFilter offsets. */
 171 #define B43legacy_MACFILTER_SELF        0x0000
 172 #define B43legacy_MACFILTER_BSSID       0x0003
 173 #define B43legacy_MACFILTER_MAC         0x0010
 174
 175 /* PHYVersioning */
 176 #define B43legacy_PHYTYPE_B             0x01
 177 #define B43legacy_PHYTYPE_G             0x02
 178
 179 /* PHYRegisters */
 180 #define B43legacy_PHY_G_LO_CONTROL      0x0810
 181 #define B43legacy_PHY_ILT_G_CTRL        0x0472
 182 #define B43legacy_PHY_ILT_G_DATA1       0x0473
 183 #define B43legacy_PHY_ILT_G_DATA2       0x0474
 184 #define B43legacy_PHY_G_PCTL            0x0029
 185 #define B43legacy_PHY_RADIO_BITFIELD    0x0401
 186 #define B43legacy_PHY_G_CRS             0x0429
 187 #define B43legacy_PHY_NRSSILT_CTRL      0x0803
 188 #define B43legacy_PHY_NRSSILT_DATA      0x0804
 189
 190 /* RadioRegisters */
 191 #define B43legacy_RADIOCTL_ID           0x01
 192
 193 /* MAC Control bitfield */
 194 #define B43legacy_MACCTL_ENABLED        0x00000001 /* MAC Enabled */
 195 #define B43legacy_MACCTL_PSM_RUN        0x00000002 /* Run Microcode */
 196 #define B43legacy_MACCTL_PSM_JMP0       0x00000004 /* Microcode jump to 0 */
 197 #define B43legacy_MACCTL_SHM_ENABLED    0x00000100 /* SHM Enabled */
 198 #define B43legacy_MACCTL_IHR_ENABLED    0x00000400 /* IHR Region Enabled */
 199 #define B43legacy_MACCTL_BE             0x00010000 /* Big Endian mode */
 200 #define B43legacy_MACCTL_INFRA          0x00020000 /* Infrastructure mode */
 201 #define B43legacy_MACCTL_AP             0x00040000 /* AccessPoint mode */
 202 #define B43legacy_MACCTL_RADIOLOCK      0x00080000 /* Radio lock */
 203 #define B43legacy_MACCTL_BEACPROMISC    0x00100000 /* Beacon Promiscuous */
 204 #define B43legacy_MACCTL_KEEP_BADPLCP   0x00200000 /* Keep bad PLCP frames */
 205 #define B43legacy_MACCTL_KEEP_CTL       0x00400000 /* Keep control frames */
 206 #define B43legacy_MACCTL_KEEP_BAD       0x00800000 /* Keep bad frames (FCS) */
 207 #define B43legacy_MACCTL_PROMISC        0x01000000 /* Promiscuous mode */
 208 #define B43legacy_MACCTL_HWPS           0x02000000 /* Hardware Power Saving */
 209 #define B43legacy_MACCTL_AWAKE          0x04000000 /* Device is awake */
 210 #define B43legacy_MACCTL_TBTTHOLD       0x10000000 /* TBTT Hold */
 211 #define B43legacy_MACCTL_GMODE          0x80000000 /* G Mode */
 212
 213 /* MAC Command bitfield */
 214 #define B43legacy_MACCMD_BEACON0_VALID  0x00000001 /* Beacon 0 in template RAM is busy/valid */
 215 #define B43legacy_MACCMD_BEACON1_VALID  0x00000002 /* Beacon 1 in template RAM is busy/valid */
 216 #define B43legacy_MACCMD_DFQ_VALID      0x00000004 /* Directed frame queue valid (IBSS PS mode, ATIM) */
 217 #define B43legacy_MACCMD_CCA            0x00000008 /* Clear channel assessment */
 218 #define B43legacy_MACCMD_BGNOISE        0x00000010 /* Background noise */
 219
 220 /* 802.11 core specific TM State Low flags */
 221 #define B43legacy_TMSLOW_GMODE          0x20000000 /* G Mode Enable */
 222 #define B43legacy_TMSLOW_PLLREFSEL      0x00200000 /* PLL Freq Ref Select */
 223 #define B43legacy_TMSLOW_MACPHYCLKEN    0x00100000 /* MAC PHY Clock Ctrl Enbl */
 224 #define B43legacy_TMSLOW_PHYRESET       0x00080000 /* PHY Reset */
 225 #define B43legacy_TMSLOW_PHYCLKEN       0x00040000 /* PHY Clock Enable */
 226
 227 /* 802.11 core specific TM State High flags */
 228 #define B43legacy_TMSHIGH_FCLOCK        0x00040000 /* Fast Clock Available */
 229 #define B43legacy_TMSHIGH_GPHY          0x00010000 /* G-PHY avail (rev >= 5) */
 230
 231 #define B43legacy_UCODEFLAG_AUTODIV       0x0001
 232
 233 /* Generic-Interrupt reasons. */
 234 #define B43legacy_IRQ_MAC_SUSPENDED     0x00000001
 235 #define B43legacy_IRQ_BEACON            0x00000002
 236 #define B43legacy_IRQ_TBTT_INDI         0x00000004 /* Target Beacon Transmit Time */
 237 #define B43legacy_IRQ_BEACON_TX_OK      0x00000008
 238 #define B43legacy_IRQ_BEACON_CANCEL     0x00000010
 239 #define B43legacy_IRQ_ATIM_END          0x00000020
 240 #define B43legacy_IRQ_PMQ               0x00000040
 241 #define B43legacy_IRQ_PIO_WORKAROUND    0x00000100
 242 #define B43legacy_IRQ_MAC_TXERR         0x00000200
 243 #define B43legacy_IRQ_PHY_TXERR         0x00000800
 244 #define B43legacy_IRQ_PMEVENT           0x00001000
 245 #define B43legacy_IRQ_TIMER0            0x00002000
 246 #define B43legacy_IRQ_TIMER1            0x00004000
 247 #define B43legacy_IRQ_DMA               0x00008000
 248 #define B43legacy_IRQ_TXFIFO_FLUSH_OK   0x00010000
 249 #define B43legacy_IRQ_CCA_MEASURE_OK    0x00020000
 250 #define B43legacy_IRQ_NOISESAMPLE_OK    0x00040000
 251 #define B43legacy_IRQ_UCODE_DEBUG       0x08000000
 252 #define B43legacy_IRQ_RFKILL            0x10000000
 253 #define B43legacy_IRQ_TX_OK             0x20000000
 254 #define B43legacy_IRQ_PHY_G_CHANGED     0x40000000
 255 #define B43legacy_IRQ_TIMEOUT           0x80000000
 256
 257 #define B43legacy_IRQ_ALL               0xFFFFFFFF
 258 #define B43legacy_IRQ_MASKTEMPLATE      (B43legacy_IRQ_MAC_SUSPENDED |  \
 259                                          B43legacy_IRQ_TBTT_INDI |      \
 260                                          B43legacy_IRQ_ATIM_END |       \
 261                                          B43legacy_IRQ_PMQ |            \
 262                                          B43legacy_IRQ_MAC_TXERR |      \
 263                                          B43legacy_IRQ_PHY_TXERR |      \
 264                                          B43legacy_IRQ_DMA |            \
 265                                          B43legacy_IRQ_TXFIFO_FLUSH_OK | \
 266                                          B43legacy_IRQ_NOISESAMPLE_OK | \
 267                                          B43legacy_IRQ_UCODE_DEBUG |    \
 268                                          B43legacy_IRQ_RFKILL |         \
 269                                          B43legacy_IRQ_TX_OK)
 270
 271 /* Device specific rate values.
 272  * The actual values defined here are (rate_in_mbps * 2).
 273  * Some code depends on this. Don't change it. */
 274 #define B43legacy_CCK_RATE_1MB          2
 275 #define B43legacy_CCK_RATE_2MB          4
 276 #define B43legacy_CCK_RATE_5MB          11
 277 #define B43legacy_CCK_RATE_11MB         22
 278 #define B43legacy_OFDM_RATE_6MB         12
 279 #define B43legacy_OFDM_RATE_9MB         18
 280 #define B43legacy_OFDM_RATE_12MB        24
 281 #define B43legacy_OFDM_RATE_18MB        36
 282 #define B43legacy_OFDM_RATE_24MB        48
 283 #define B43legacy_OFDM_RATE_36MB        72
 284 #define B43legacy_OFDM_RATE_48MB        96
 285 #define B43legacy_OFDM_RATE_54MB        108
 286 /* Convert a b43legacy rate value to a rate in 100kbps */
 287 #define B43legacy_RATE_TO_100KBPS(rate) (((rate) * 10) / 2)
 288
 289
 290 #define B43legacy_DEFAULT_SHORT_RETRY_LIMIT     7
 291 #define B43legacy_DEFAULT_LONG_RETRY_LIMIT      4
 292
 293 #define B43legacy_PHY_TX_BADNESS_LIMIT          1000
 294
 295 /* Max size of a security key */
 296 #define B43legacy_SEC_KEYSIZE           16
 297 /* Security algorithms. */
 298 enum {
 299         B43legacy_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */
 300         B43legacy_SEC_ALGO_WEP40,
 301         B43legacy_SEC_ALGO_TKIP,
 302         B43legacy_SEC_ALGO_AES,
 303         B43legacy_SEC_ALGO_WEP104,
 304         B43legacy_SEC_ALGO_AES_LEGACY,
 305 };
 306
 307 /* Core Information Registers */
 308 #define B43legacy_CIR_BASE                0xf00
 309 #define B43legacy_CIR_SBTPSFLAG           (B43legacy_CIR_BASE + 0x18)
 310 #define B43legacy_CIR_SBIMSTATE           (B43legacy_CIR_BASE + 0x90)
 311 #define B43legacy_CIR_SBINTVEC            (B43legacy_CIR_BASE + 0x94)
 312 #define B43legacy_CIR_SBTMSTATELOW        (B43legacy_CIR_BASE + 0x98)
 313 #define B43legacy_CIR_SBTMSTATEHIGH       (B43legacy_CIR_BASE + 0x9c)
 314 #define B43legacy_CIR_SBIMCONFIGLOW       (B43legacy_CIR_BASE + 0xa8)
 315 #define B43legacy_CIR_SB_ID_HI            (B43legacy_CIR_BASE + 0xfc)
 316
 317 /* sbtmstatehigh state flags */
 318 #define B43legacy_SBTMSTATEHIGH_SERROR          0x00000001
 319 #define B43legacy_SBTMSTATEHIGH_BUSY            0x00000004
 320 #define B43legacy_SBTMSTATEHIGH_TIMEOUT         0x00000020
 321 #define B43legacy_SBTMSTATEHIGH_G_PHY_AVAIL     0x00010000
 322 #define B43legacy_SBTMSTATEHIGH_COREFLAGS       0x1FFF0000
 323 #define B43legacy_SBTMSTATEHIGH_DMA64BIT        0x10000000
 324 #define B43legacy_SBTMSTATEHIGH_GATEDCLK        0x20000000
 325 #define B43legacy_SBTMSTATEHIGH_BISTFAILED      0x40000000
 326 #define B43legacy_SBTMSTATEHIGH_BISTCOMPLETE    0x80000000
 327
 328 /* sbimstate flags */
 329 #define B43legacy_SBIMSTATE_IB_ERROR            0x20000
 330 #define B43legacy_SBIMSTATE_TIMEOUT             0x40000
 331
 332 #define PFX             KBUILD_MODNAME ": "
 333 #ifdef assert
 334 # undef assert
 335 #endif
 336 #ifdef CONFIG_B43LEGACY_DEBUG
 337 # define B43legacy_WARN_ON(x)   WARN_ON(x)
 338 # define B43legacy_BUG_ON(expr)                                         \
 339         do {                                                            \
 340                 if (unlikely((expr))) {                                 \
 341                         printk(KERN_INFO PFX "Test (%s) failed\n",      \
 342                                               #expr);                   \
 343                         BUG_ON(expr);                                   \
 344                 }                                                       \
 345         } while (0)
 346 # define B43legacy_DEBUG        1
 347 #else
 348 /* This will evaluate the argument even if debugging is disabled. */
 349 static inline bool __b43legacy_warn_on_dummy(bool x) { return x; }
 350 # define B43legacy_WARN_ON(x)   __b43legacy_warn_on_dummy(unlikely(!!(x)))
 351 # define B43legacy_BUG_ON(x)    do { /* nothing */ } while (0)
 352 # define B43legacy_DEBUG        0
 353 #endif
 354
 355
 356 struct net_device;
 357 struct pci_dev;
 358 struct b43legacy_dmaring;
 359 struct b43legacy_pioqueue;
 360
 361 /* The firmware file header */
 362 #define B43legacy_FW_TYPE_UCODE 'u'
 363 #define B43legacy_FW_TYPE_PCM   'p'
 364 #define B43legacy_FW_TYPE_IV    'i'
 365 struct b43legacy_fw_header {
 366         /* File type */
 367         u8 type;
 368         /* File format version */
 369         u8 ver;
 370         u8 __padding[2];
 371         /* Size of the data. For ucode and PCM this is in bytes.
 372          * For IV this is number-of-ivs. */
 373         __be32 size;
 374 } __packed;
 375
 376 /* Initial Value file format */
 377 #define B43legacy_IV_OFFSET_MASK        0x7FFF
 378 #define B43legacy_IV_32BIT              0x8000
 379 struct b43legacy_iv {
 380         __be16 offset_size;
 381         union {
 382                 __be16 d16;
 383                 __be32 d32;
 384         } data __packed;
 385 } __packed;
 386
 387 #define B43legacy_PHYMODE(phytype)      (1 << (phytype))
 388 #define B43legacy_PHYMODE_B             B43legacy_PHYMODE       \
 389                                         ((B43legacy_PHYTYPE_B))
 390 #define B43legacy_PHYMODE_G             B43legacy_PHYMODE       \
 391                                         ((B43legacy_PHYTYPE_G))
 392
 393 /* Value pair to measure the LocalOscillator. */
 394 struct b43legacy_lopair {
 395         s8 low;
 396         s8 high;
 397         u8 used:1;
 398 };
 399 #define B43legacy_LO_COUNT      (14*4)
 400
 401 struct b43legacy_phy {
 402         /* Possible PHYMODEs on this PHY */
 403         u8 possible_phymodes;
 404         /* GMODE bit enabled in MACCTL? */
 405         bool gmode;
 406
 407         /* Analog Type */
 408         u8 analog;
 409         /* B43legacy_PHYTYPE_ */
 410         u8 type;
 411         /* PHY revision number. */
 412         u8 rev;
 413
 414         u16 antenna_diversity;
 415         u16 savedpctlreg;
 416         /* Radio versioning */
 417         u16 radio_manuf;        /* Radio manufacturer */
 418         u16 radio_ver;          /* Radio version */
 419         u8 calibrated:1;
 420         u8 radio_rev;           /* Radio revision */
 421
 422         bool dyn_tssi_tbl;      /* tssi2dbm is kmalloc()ed. */
 423
 424         /* ACI (adjacent channel interference) flags. */
 425         bool aci_enable;
 426         bool aci_wlan_automatic;
 427         bool aci_hw_rssi;
 428
 429         /* Radio switched on/off */
 430         bool radio_on;
 431         struct {
 432                 /* Values saved when turning the radio off.
 433                  * They are needed when turning it on again. */
 434                 bool valid;
 435                 u16 rfover;
 436                 u16 rfoverval;
 437         } radio_off_context;
 438
 439         u16 minlowsig[2];
 440         u16 minlowsigpos[2];
 441
 442         /* LO Measurement Data.
 443          * Use b43legacy_get_lopair() to get a value.
 444          */
 445         struct b43legacy_lopair *_lo_pairs;
 446         /* TSSI to dBm table in use */
 447         const s8 *tssi2dbm;
 448         /* idle TSSI value */
 449         s8 idle_tssi;
 450         /* Target idle TSSI */
 451         int tgt_idle_tssi;
 452         /* Current idle TSSI */
 453         int cur_idle_tssi;
 454
 455         /* LocalOscillator control values. */
 456         struct b43legacy_txpower_lo_control *lo_control;
 457         /* Values from b43legacy_calc_loopback_gain() */
 458         s16 max_lb_gain;        /* Maximum Loopback gain in hdB */
 459         s16 trsw_rx_gain;       /* TRSW RX gain in hdB */
 460         s16 lna_lod_gain;       /* LNA lod */
 461         s16 lna_gain;           /* LNA */
 462         s16 pga_gain;           /* PGA */
 463
 464         /* Desired TX power level (in dBm). This is set by the user and
 465          * adjusted in b43legacy_phy_xmitpower(). */
 466         u8 power_level;
 467
 468         /* Values from b43legacy_calc_loopback_gain() */
 469         u16 loopback_gain[2];
 470
 471         /* TX Power control values. */
 472         /* B/G PHY */
 473         struct {
 474                 /* Current Radio Attenuation for TXpower recalculation. */
 475                 u16 rfatt;
 476                 /* Current Baseband Attenuation for TXpower recalculation. */
 477                 u16 bbatt;
 478                 /* Current TXpower control value for TXpower recalculation. */
 479                 u16 txctl1;
 480                 u16 txctl2;
 481         };
 482         /* A PHY */
 483         struct {
 484                 u16 txpwr_offset;
 485         };
 486
 487         /* Current Interference Mitigation mode */
 488         int interfmode;
 489         /* Stack of saved values from the Interference Mitigation code.
 490          * Each value in the stack is laid out as follows:
 491          * bit 0-11:  offset
 492          * bit 12-15: register ID
 493          * bit 16-32: value
 494          * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT
 495          */
 496 #define B43legacy_INTERFSTACK_SIZE      26
 497         u32 interfstack[B43legacy_INTERFSTACK_SIZE];
 498
 499         /* Saved values from the NRSSI Slope calculation */
 500         s16 nrssi[2];
 501         s32 nrssislope;
 502         /* In memory nrssi lookup table. */
 503         s8 nrssi_lt[64];
 504
 505         /* current channel */
 506         u8 channel;
 507
 508         u16 lofcal;
 509
 510         u16 initval;
 511
 512         /* PHY TX errors counter. */
 513         atomic_t txerr_cnt;
 514
 515 #if B43legacy_DEBUG
 516         /* Manual TX-power control enabled? */
 517         bool manual_txpower_control;
 518         /* PHY registers locked by b43legacy_phy_lock()? */
 519         bool phy_locked;
 520 #endif /* B43legacy_DEBUG */
 521 };
 522
 523 /* Data structures for DMA transmission, per 80211 core. */
 524 struct b43legacy_dma {
 525         struct b43legacy_dmaring *tx_ring0;
 526         struct b43legacy_dmaring *tx_ring1;
 527         struct b43legacy_dmaring *tx_ring2;
 528         struct b43legacy_dmaring *tx_ring3;
 529         struct b43legacy_dmaring *tx_ring4;
 530         struct b43legacy_dmaring *tx_ring5;
 531
 532         struct b43legacy_dmaring *rx_ring0;
 533         struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */
 534
 535         u32 translation; /* Routing bits */
 536 };
 537
 538 /* Data structures for PIO transmission, per 80211 core. */
 539 struct b43legacy_pio {
 540         struct b43legacy_pioqueue *queue0;
 541         struct b43legacy_pioqueue *queue1;
 542         struct b43legacy_pioqueue *queue2;
 543         struct b43legacy_pioqueue *queue3;
 544 };
 545
 546 /* Context information for a noise calculation (Link Quality). */
 547 struct b43legacy_noise_calculation {
 548         u8 channel_at_start;
 549         bool calculation_running;
 550         u8 nr_samples;
 551         s8 samples[8][4];
 552 };
 553
 554 struct b43legacy_stats {
 555         u8 link_noise;
 556         /* Store the last TX/RX times here for updating the leds. */
 557         unsigned long last_tx;
 558         unsigned long last_rx;
 559 };
 560
 561 struct b43legacy_key {
 562         void *keyconf;
 563         bool enabled;
 564         u8 algorithm;
 565 };
 566
 567 struct b43legacy_wldev;
 568
 569 /* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */
 570 struct b43legacy_wl {
 571         /* Pointer to the active wireless device on this chip */
 572         struct b43legacy_wldev *current_dev;
 573         /* Pointer to the ieee80211 hardware data structure */
 574         struct ieee80211_hw *hw;
 575
 576         spinlock_t irq_lock;            /* locks IRQ */
 577         struct mutex mutex;             /* locks wireless core state */
 578         spinlock_t leds_lock;           /* lock for leds */
 579
 580         /* We can only have one operating interface (802.11 core)
 581          * at a time. General information about this interface follows.
 582          */
 583
 584         struct ieee80211_vif *vif;
 585         /* MAC address (can be NULL). */
 586         u8 mac_addr[ETH_ALEN];
 587         /* Current BSSID (can be NULL). */
 588         u8 bssid[ETH_ALEN];
 589         /* Interface type. (IEEE80211_IF_TYPE_XXX) */
 590         int if_type;
 591         /* Is the card operating in AP, STA or IBSS mode? */
 592         bool operating;
 593         /* filter flags */
 594         unsigned int filter_flags;
 595         /* Stats about the wireless interface */
 596         struct ieee80211_low_level_stats ieee_stats;
 597
 598 #ifdef CONFIG_B43LEGACY_HWRNG
 599         struct hwrng rng;
 600         u8 rng_initialized;
 601         char rng_name[30 + 1];
 602 #endif
 603
 604         /* List of all wireless devices on this chip */
 605         struct list_head devlist;
 606         u8 nr_devs;
 607
 608         bool radiotap_enabled;
 609         bool radio_enabled;
 610
 611         /* The beacon we are currently using (AP or IBSS mode).
 612          * This beacon stuff is protected by the irq_lock. */
 613         struct sk_buff *current_beacon;
 614         bool beacon0_uploaded;
 615         bool beacon1_uploaded;
 616         bool beacon_templates_virgin; /* Never wrote the templates? */
 617         struct work_struct beacon_update_trigger;
 618 };
 619
 620 /* Pointers to the firmware data and meta information about it. */
 621 struct b43legacy_firmware {
 622         /* Microcode */
 623         const struct firmware *ucode;
 624         /* PCM code */
 625         const struct firmware *pcm;
 626         /* Initial MMIO values for the firmware */
 627         const struct firmware *initvals;
 628         /* Initial MMIO values for the firmware, band-specific */
 629         const struct firmware *initvals_band;
 630         /* Firmware revision */
 631         u16 rev;
 632         /* Firmware patchlevel */
 633         u16 patch;
 634 };
 635
 636 /* Device (802.11 core) initialization status. */
 637 enum {
 638         B43legacy_STAT_UNINIT           = 0, /* Uninitialized. */
 639         B43legacy_STAT_INITIALIZED      = 1, /* Initialized, not yet started. */
 640         B43legacy_STAT_STARTED  = 2, /* Up and running. */
 641 };
 642 #define b43legacy_status(wldev) atomic_read(&(wldev)->__init_status)
 643 #define b43legacy_set_status(wldev, stat)       do {            \
 644                 atomic_set(&(wldev)->__init_status, (stat));    \
 645                 smp_wmb();                                      \
 646                                         } while (0)
 647
 648 /* *** ---   HOW LOCKING WORKS IN B43legacy   --- ***
 649  *
 650  * You should always acquire both, wl->mutex and wl->irq_lock unless:
 651  * - You don't need to acquire wl->irq_lock, if the interface is stopped.
 652  * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet
 653  *   and packet TX path (and _ONLY_ there.)
 654  */
 655
 656 /* Data structure for one wireless device (802.11 core) */
 657 struct b43legacy_wldev {
 658         struct ssb_device *dev;
 659         struct b43legacy_wl *wl;
 660
 661         /* The device initialization status.
 662          * Use b43legacy_status() to query. */
 663         atomic_t __init_status;
 664         /* Saved init status for handling suspend. */
 665         int suspend_init_status;
 666
 667         bool __using_pio;       /* Using pio rather than dma. */
 668         bool bad_frames_preempt;/* Use "Bad Frames Preemption". */
 669         bool dfq_valid;         /* Directed frame queue valid (IBSS PS mode, ATIM). */
 670         bool short_preamble;    /* TRUE if using short preamble. */
 671         bool radio_hw_enable;   /* State of radio hardware enable bit. */
 672
 673         /* PHY/Radio device. */
 674         struct b43legacy_phy phy;
 675         union {
 676                 /* DMA engines. */
 677                 struct b43legacy_dma dma;
 678                 /* PIO engines. */
 679                 struct b43legacy_pio pio;
 680         };
 681
 682         /* Various statistics about the physical device. */
 683         struct b43legacy_stats stats;
 684
 685         /* The device LEDs. */
 686         struct b43legacy_led led_tx;
 687         struct b43legacy_led led_rx;
 688         struct b43legacy_led led_assoc;
 689         struct b43legacy_led led_radio;
 690
 691         /* Reason code of the last interrupt. */
 692         u32 irq_reason;
 693         u32 dma_reason[6];
 694         /* The currently active generic-interrupt mask. */
 695         u32 irq_mask;
 696         /* Link Quality calculation context. */
 697         struct b43legacy_noise_calculation noisecalc;
 698         /* if > 0 MAC is suspended. if == 0 MAC is enabled. */
 699         int mac_suspended;
 700
 701         /* Interrupt Service Routine tasklet (bottom-half) */
 702         struct tasklet_struct isr_tasklet;
 703
 704         /* Periodic tasks */
 705         struct delayed_work periodic_work;
 706         unsigned int periodic_state;
 707
 708         struct work_struct restart_work;
 709
 710         /* encryption/decryption */
 711         u16 ktp; /* Key table pointer */
 712         u8 max_nr_keys;
 713         struct b43legacy_key key[58];
 714
 715         /* Firmware data */
 716         struct b43legacy_firmware fw;
 717
 718         /* Devicelist in struct b43legacy_wl (all 802.11 cores) */
 719         struct list_head list;
 720
 721         /* Debugging stuff follows. */
 722 #ifdef CONFIG_B43LEGACY_DEBUG
 723         struct b43legacy_dfsentry *dfsentry;
 724 #endif
 725 };
 726
 727
 728 static inline
 729 struct b43legacy_wl *hw_to_b43legacy_wl(struct ieee80211_hw *hw)
 730 {
 731         return hw->priv;
 732 }
 733
 734 /* Helper function, which returns a boolean.
 735  * TRUE, if PIO is used; FALSE, if DMA is used.
 736  */
 737 #if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
 738 static inline
 739 int b43legacy_using_pio(struct b43legacy_wldev *dev)
 740 {
 741         return dev->__using_pio;
 742 }
 743 #elif defined(CONFIG_B43LEGACY_DMA)
 744 static inline
 745 int b43legacy_using_pio(struct b43legacy_wldev *dev)
 746 {
 747         return 0;
 748 }
 749 #elif defined(CONFIG_B43LEGACY_PIO)
 750 static inline
 751 int b43legacy_using_pio(struct b43legacy_wldev *dev)
 752 {
 753         return 1;
 754 }
 755 #else
 756 # error "Using neither DMA nor PIO? Confused..."
 757 #endif
 758
 759
 760 static inline
 761 struct b43legacy_wldev *dev_to_b43legacy_wldev(struct device *dev)
 762 {
 763         struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
 764         return ssb_get_drvdata(ssb_dev);
 765 }
 766
 767 /* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */
 768 static inline
 769 int b43legacy_is_mode(struct b43legacy_wl *wl, int type)
 770 {
 771         return (wl->operating &&
 772                 wl->if_type == type);
 773 }
 774
 775 static inline
 776 bool is_bcm_board_vendor(struct b43legacy_wldev *dev)
 777 {
 778         return  (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM);
 779 }
 780
 781 static inline
 782 u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset)
 783 {
 784         return ssb_read16(dev->dev, offset);
 785 }
 786
 787 static inline
 788 void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value)
 789 {
 790         ssb_write16(dev->dev, offset, value);
 791 }
 792
 793 static inline
 794 u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset)
 795 {
 796         return ssb_read32(dev->dev, offset);
 797 }
 798
 799 static inline
 800 void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value)
 801 {
 802         ssb_write32(dev->dev, offset, value);
 803 }
 804
 805 static inline
 806 struct b43legacy_lopair *b43legacy_get_lopair(struct b43legacy_phy *phy,
 807                                               u16 radio_attenuation,
 808                                               u16 baseband_attenuation)
 809 {
 810         return phy->_lo_pairs + (radio_attenuation
 811                         + 14 * (baseband_attenuation / 2));
 812 }
 813
 814
 815
 816 /* Message printing */
 817 void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...)
 818                 __attribute__((format(printf, 2, 3)));
 819 void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...)
 820                 __attribute__((format(printf, 2, 3)));
 821 void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...)
 822                 __attribute__((format(printf, 2, 3)));
 823 #if B43legacy_DEBUG
 824 void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...)
 825                 __attribute__((format(printf, 2, 3)));
 826 #else /* DEBUG */
 827 # define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0)
 828 #endif /* DEBUG */
 829
 830 /* Macros for printing a value in Q5.2 format */
 831 #define Q52_FMT         "%u.%u"
 832 #define Q52_ARG(q52)    ((q52) / 4), (((q52) & 3) * 100 / 4)
 833
 834 #endif /* B43legacy_H_ */