1 /* 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $FreeBSD$ 18 */ 19 #ifndef _ATH_AH_INTERAL_H_ 20 #define _ATH_AH_INTERAL_H_ 21 /* 22 * Atheros Device Hardware Access Layer (HAL). 23 * 24 * Internal definitions. 25 */ 26 #define AH_NULL 0 27 #define AH_MIN(a,b) ((a)<(b)?(a):(b)) 28 #define AH_MAX(a,b) ((a)>(b)?(a):(b)) 29 30 #include <net80211/_ieee80211.h> 31 #include "opt_ah.h" /* needed for AH_SUPPORT_AR5416 */ 32 33 #ifndef AH_SUPPORT_AR5416 34 #define AH_SUPPORT_AR5416 1 35 #endif 36 37 #ifndef NBBY 38 #define NBBY 8 /* number of bits/byte */ 39 #endif 40 41 #ifndef roundup 42 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ 43 #endif 44 #ifndef howmany 45 #define howmany(x, y) (((x)+((y)-1))/(y)) 46 #endif 47 48 #ifndef offsetof 49 #define offsetof(type, field) ((size_t)(&((type *)0)->field)) 50 #endif 51 52 typedef struct { 53 uint16_t start; /* first register */ 54 uint16_t end; /* ending register or zero */ 55 } HAL_REGRANGE; 56 57 typedef struct { 58 uint32_t addr; /* regiser address/offset */ 59 uint32_t value; /* value to write */ 60 } HAL_REGWRITE; 61 62 /* 63 * Transmit power scale factor. 64 * 65 * NB: This is not public because we want to discourage the use of 66 * scaling; folks should use the tx power limit interface. 67 */ 68 typedef enum { 69 HAL_TP_SCALE_MAX = 0, /* no scaling (default) */ 70 HAL_TP_SCALE_50 = 1, /* 50% of max (-3 dBm) */ 71 HAL_TP_SCALE_25 = 2, /* 25% of max (-6 dBm) */ 72 HAL_TP_SCALE_12 = 3, /* 12% of max (-9 dBm) */ 73 HAL_TP_SCALE_MIN = 4, /* min, but still on */ 74 } HAL_TP_SCALE; 75 76 typedef enum { 77 HAL_CAP_RADAR = 0, /* Radar capability */ 78 HAL_CAP_AR = 1, /* AR capability */ 79 } HAL_PHYDIAG_CAPS; 80 81 /* 82 * Enable/disable strong signal fast diversity 83 */ 84 #define HAL_CAP_STRONG_DIV 2 85 86 /* 87 * Each chip or class of chips registers to offer support. 88 */ 89 struct ath_hal_chip { 90 const char *name; 91 const char *(*probe)(uint16_t vendorid, uint16_t devid); 92 struct ath_hal *(*attach)(uint16_t devid, HAL_SOFTC, 93 HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata, 94 HAL_STATUS *error); 95 }; 96 #ifndef AH_CHIP 97 #define AH_CHIP(_name, _probe, _attach) \ 98 static struct ath_hal_chip _name##_chip = { \ 99 .name = #_name, \ 100 .probe = _probe, \ 101 .attach = _attach \ 102 }; \ 103 OS_DATA_SET(ah_chips, _name##_chip) 104 #endif 105 106 /* 107 * Each RF backend registers to offer support; this is mostly 108 * used by multi-chip 5212 solutions. Single-chip solutions 109 * have a fixed idea about which RF to use. 110 */ 111 struct ath_hal_rf { 112 const char *name; 113 HAL_BOOL (*probe)(struct ath_hal *ah); 114 HAL_BOOL (*attach)(struct ath_hal *ah, HAL_STATUS *ecode); 115 }; 116 #ifndef AH_RF 117 #define AH_RF(_name, _probe, _attach) \ 118 static struct ath_hal_rf _name##_rf = { \ 119 .name = __STRING(_name), \ 120 .probe = _probe, \ 121 .attach = _attach \ 122 }; \ 123 OS_DATA_SET(ah_rfs, _name##_rf) 124 #endif 125 126 struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode); 127 128 /* 129 * Maximum number of internal channels. Entries are per unique 130 * frequency so this might be need to be increased to handle all 131 * usage cases; typically no more than 32 are really needed but 132 * dynamically allocating the data structures is a bit painful 133 * right now. 134 */ 135 #ifndef AH_MAXCHAN 136 #define AH_MAXCHAN 96 137 #endif 138 139 #define HAL_NF_CAL_HIST_LEN_FULL 5 140 #define HAL_NF_CAL_HIST_LEN_SMALL 1 141 #define HAL_NUM_NF_READINGS 6 /* 3 chains * (ctl + ext) */ 142 #define HAL_NF_LOAD_DELAY 1000 143 144 /* 145 * PER_CHAN doesn't work for now, as it looks like the device layer 146 * has to pre-populate the per-channel list with nominal values. 147 */ 148 //#define ATH_NF_PER_CHAN 1 149 150 typedef struct { 151 u_int8_t curr_index; 152 int8_t invalidNFcount; /* TO DO: REMOVE THIS! */ 153 int16_t priv_nf[HAL_NUM_NF_READINGS]; 154 } HAL_NFCAL_BASE; 155 156 typedef struct { 157 HAL_NFCAL_BASE base; 158 int16_t nf_cal_buffer[HAL_NF_CAL_HIST_LEN_FULL][HAL_NUM_NF_READINGS]; 159 } HAL_NFCAL_HIST_FULL; 160 161 typedef struct { 162 HAL_NFCAL_BASE base; 163 int16_t nf_cal_buffer[HAL_NF_CAL_HIST_LEN_SMALL][HAL_NUM_NF_READINGS]; 164 } HAL_NFCAL_HIST_SMALL; 165 166 #ifdef ATH_NF_PER_CHAN 167 typedef HAL_NFCAL_HIST_FULL HAL_CHAN_NFCAL_HIST; 168 #define AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (ichan ? &ichan->nf_cal_hist: NULL) 169 #else 170 typedef HAL_NFCAL_HIST_SMALL HAL_CHAN_NFCAL_HIST; 171 #define AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (&AH_PRIVATE(ah)->nf_cal_hist) 172 #endif /* ATH_NF_PER_CHAN */ 173 174 /* 175 * Internal per-channel state. These are found 176 * using ic_devdata in the ieee80211_channel. 177 */ 178 typedef struct { 179 uint16_t channel; /* h/w frequency, NB: may be mapped */ 180 uint8_t privFlags; 181 #define CHANNEL_IQVALID 0x01 /* IQ calibration valid */ 182 #define CHANNEL_ANI_INIT 0x02 /* ANI state initialized */ 183 #define CHANNEL_ANI_SETUP 0x04 /* ANI state setup */ 184 #define CHANNEL_MIMO_NF_VALID 0x04 /* Mimo NF values are valid */ 185 uint8_t calValid; /* bitmask of cal types */ 186 int8_t iCoff; 187 int8_t qCoff; 188 int16_t rawNoiseFloor; 189 int16_t noiseFloorAdjust; 190 #ifdef AH_SUPPORT_AR5416 191 int16_t noiseFloorCtl[AH_MAX_CHAINS]; 192 int16_t noiseFloorExt[AH_MAX_CHAINS]; 193 #endif /* AH_SUPPORT_AR5416 */ 194 uint16_t mainSpur; /* cached spur value for this channel */ 195 196 /*XXX TODO: make these part of privFlags */ 197 uint8_t paprd_done:1, /* 1: PAPRD DONE, 0: PAPRD Cal not done */ 198 paprd_table_write_done:1; /* 1: DONE, 0: Cal data write not done */ 199 int one_time_cals_done; 200 HAL_CHAN_NFCAL_HIST nf_cal_hist; 201 } HAL_CHANNEL_INTERNAL; 202 203 /* channel requires noise floor check */ 204 #define CHANNEL_NFCREQUIRED IEEE80211_CHAN_PRIV0 205 206 /* all full-width channels */ 207 #define IEEE80211_CHAN_ALLFULL \ 208 (IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) 209 #define IEEE80211_CHAN_ALLTURBOFULL \ 210 (IEEE80211_CHAN_ALLTURBO - \ 211 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) 212 213 typedef struct { 214 uint32_t halChanSpreadSupport : 1, 215 halSleepAfterBeaconBroken : 1, 216 halCompressSupport : 1, 217 halBurstSupport : 1, 218 halFastFramesSupport : 1, 219 halChapTuningSupport : 1, 220 halTurboGSupport : 1, 221 halTurboPrimeSupport : 1, 222 halMicAesCcmSupport : 1, 223 halMicCkipSupport : 1, 224 halMicTkipSupport : 1, 225 halTkipMicTxRxKeySupport : 1, 226 halCipherAesCcmSupport : 1, 227 halCipherCkipSupport : 1, 228 halCipherTkipSupport : 1, 229 halPSPollBroken : 1, 230 halVEOLSupport : 1, 231 halBssIdMaskSupport : 1, 232 halMcastKeySrchSupport : 1, 233 halTsfAddSupport : 1, 234 halChanHalfRate : 1, 235 halChanQuarterRate : 1, 236 halHTSupport : 1, 237 halHTSGI20Support : 1, 238 halRfSilentSupport : 1, 239 halHwPhyCounterSupport : 1, 240 halWowSupport : 1, 241 halWowMatchPatternExact : 1, 242 halAutoSleepSupport : 1, 243 halFastCCSupport : 1, 244 halBtCoexSupport : 1; 245 uint32_t halRxStbcSupport : 1, 246 halTxStbcSupport : 1, 247 halGTTSupport : 1, 248 halCSTSupport : 1, 249 halRifsRxSupport : 1, 250 halRifsTxSupport : 1, 251 hal4AddrAggrSupport : 1, 252 halExtChanDfsSupport : 1, 253 halUseCombinedRadarRssi : 1, 254 halForcePpmSupport : 1, 255 halEnhancedPmSupport : 1, 256 halEnhancedDfsSupport : 1, 257 halMbssidAggrSupport : 1, 258 halBssidMatchSupport : 1, 259 hal4kbSplitTransSupport : 1, 260 halHasRxSelfLinkedTail : 1, 261 halSupportsFastClock5GHz : 1, 262 halHasLongRxDescTsf : 1, 263 halHasBBReadWar : 1, 264 halSerialiseRegWar : 1, 265 halMciSupport : 1, 266 halRxTxAbortSupport : 1, 267 halPaprdEnabled : 1, 268 halHasUapsdSupport : 1, 269 halWpsPushButtonSupport : 1, 270 halBtCoexApsmWar : 1, 271 halGenTimerSupport : 1, 272 halLDPCSupport : 1, 273 halHwBeaconProcSupport : 1, 274 halEnhancedDmaSupport : 1; 275 uint32_t halIsrRacSupport : 1, 276 halApmEnable : 1, 277 halIntrMitigation : 1, 278 hal49GhzSupport : 1, 279 halAntDivCombSupport : 1, 280 halAntDivCombSupportOrg : 1, 281 halRadioRetentionSupport : 1, 282 halSpectralScanSupport : 1, 283 halRxUsingLnaMixing : 1, 284 halRxDoMyBeacon : 1; 285 286 uint32_t halWirelessModes; 287 uint16_t halTotalQueues; 288 uint16_t halKeyCacheSize; 289 uint16_t halLow5GhzChan, halHigh5GhzChan; 290 uint16_t halLow2GhzChan, halHigh2GhzChan; 291 int halTstampPrecision; 292 int halRtsAggrLimit; 293 uint8_t halTxChainMask; 294 uint8_t halRxChainMask; 295 uint8_t halNumGpioPins; 296 uint8_t halNumAntCfg2GHz; 297 uint8_t halNumAntCfg5GHz; 298 uint32_t halIntrMask; 299 uint8_t halTxStreams; 300 uint8_t halRxStreams; 301 HAL_MFP_OPT_T halMfpSupport; 302 303 /* AR9300 HAL porting capabilities */ 304 int hal_paprd_enabled; 305 int hal_pcie_lcr_offset; 306 int hal_pcie_lcr_extsync_en; 307 int halNumTxMaps; 308 int halTxDescLen; 309 int halTxStatusLen; 310 int halRxStatusLen; 311 int halRxHpFifoDepth; 312 int halRxLpFifoDepth; 313 uint32_t halRegCap; /* XXX needed? */ 314 int halNumMRRetries; 315 int hal_ani_poll_interval; 316 int hal_channel_switch_time_usec; 317 } HAL_CAPABILITIES; 318 319 struct regDomain; 320 321 /* 322 * Definitions for ah_flags in ath_hal_private 323 */ 324 #define AH_USE_EEPROM 0x1 325 #define AH_IS_HB63 0x2 326 327 /* 328 * The ``private area'' follows immediately after the ``public area'' 329 * in the data structure returned by ath_hal_attach. Private data are 330 * used by device-independent code such as the regulatory domain support. 331 * In general, code within the HAL should never depend on data in the 332 * public area. Instead any public data needed internally should be 333 * shadowed here. 334 * 335 * When declaring a device-specific ath_hal data structure this structure 336 * is assumed to at the front; e.g. 337 * 338 * struct ath_hal_5212 { 339 * struct ath_hal_private ah_priv; 340 * ... 341 * }; 342 * 343 * It might be better to manage the method pointers in this structure 344 * using an indirect pointer to a read-only data structure but this would 345 * disallow class-style method overriding. 346 */ 347 struct ath_hal_private { 348 struct ath_hal h; /* public area */ 349 350 /* NB: all methods go first to simplify initialization */ 351 HAL_BOOL (*ah_getChannelEdges)(struct ath_hal*, 352 uint16_t channelFlags, 353 uint16_t *lowChannel, uint16_t *highChannel); 354 u_int (*ah_getWirelessModes)(struct ath_hal*); 355 HAL_BOOL (*ah_eepromRead)(struct ath_hal *, u_int off, 356 uint16_t *data); 357 HAL_BOOL (*ah_eepromWrite)(struct ath_hal *, u_int off, 358 uint16_t data); 359 HAL_BOOL (*ah_getChipPowerLimits)(struct ath_hal *, 360 struct ieee80211_channel *); 361 int16_t (*ah_getNfAdjust)(struct ath_hal *, 362 const HAL_CHANNEL_INTERNAL*); 363 void (*ah_getNoiseFloor)(struct ath_hal *, 364 int16_t nfarray[]); 365 366 void *ah_eeprom; /* opaque EEPROM state */ 367 uint16_t ah_eeversion; /* EEPROM version */ 368 void (*ah_eepromDetach)(struct ath_hal *); 369 HAL_STATUS (*ah_eepromGet)(struct ath_hal *, int, void *); 370 HAL_STATUS (*ah_eepromSet)(struct ath_hal *, int, int); 371 uint16_t (*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL); 372 HAL_BOOL (*ah_eepromDiag)(struct ath_hal *, int request, 373 const void *args, uint32_t argsize, 374 void **result, uint32_t *resultsize); 375 376 /* 377 * Device revision information. 378 */ 379 uint16_t ah_devid; /* PCI device ID */ 380 uint16_t ah_subvendorid; /* PCI subvendor ID */ 381 uint32_t ah_macVersion; /* MAC version id */ 382 uint16_t ah_macRev; /* MAC revision */ 383 uint16_t ah_phyRev; /* PHY revision */ 384 uint16_t ah_analog5GhzRev; /* 2GHz radio revision */ 385 uint16_t ah_analog2GhzRev; /* 5GHz radio revision */ 386 uint32_t ah_flags; /* misc flags */ 387 uint8_t ah_ispcie; /* PCIE, special treatment */ 388 uint8_t ah_devType; /* card type - CB, PCI, PCIe */ 389 390 HAL_OPMODE ah_opmode; /* operating mode from reset */ 391 const struct ieee80211_channel *ah_curchan;/* operating channel */ 392 HAL_CAPABILITIES ah_caps; /* device capabilities */ 393 uint32_t ah_diagreg; /* user-specified AR_DIAG_SW */ 394 int16_t ah_powerLimit; /* tx power cap */ 395 uint16_t ah_maxPowerLevel; /* calculated max tx power */ 396 u_int ah_tpScale; /* tx power scale factor */ 397 u_int16_t ah_extraTxPow; /* low rates extra-txpower */ 398 uint32_t ah_11nCompat; /* 11n compat controls */ 399 400 /* 401 * State for regulatory domain handling. 402 */ 403 HAL_REG_DOMAIN ah_currentRD; /* EEPROM regulatory domain */ 404 HAL_REG_DOMAIN ah_currentRDext; /* EEPROM extended regdomain flags */ 405 HAL_DFS_DOMAIN ah_dfsDomain; /* current DFS domain */ 406 HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */ 407 u_int ah_nchan; /* valid items in ah_channels */ 408 const struct regDomain *ah_rd2GHz; /* reg state for 2G band */ 409 const struct regDomain *ah_rd5GHz; /* reg state for 5G band */ 410 411 uint8_t ah_coverageClass; /* coverage class */ 412 /* 413 * RF Silent handling; setup according to the EEPROM. 414 */ 415 uint16_t ah_rfsilent; /* GPIO pin + polarity */ 416 HAL_BOOL ah_rfkillEnabled; /* enable/disable RfKill */ 417 /* 418 * Diagnostic support for discriminating HIUERR reports. 419 */ 420 uint32_t ah_fatalState[6]; /* AR_ISR+shadow regs */ 421 int ah_rxornIsFatal; /* how to treat HAL_INT_RXORN */ 422 423 #ifndef ATH_NF_PER_CHAN 424 HAL_NFCAL_HIST_FULL nf_cal_hist; 425 #endif /* ! ATH_NF_PER_CHAN */ 426 }; 427 428 #define AH_PRIVATE(_ah) ((struct ath_hal_private *)(_ah)) 429 430 #define ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \ 431 AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc) 432 #define ath_hal_getWirelessModes(_ah) \ 433 AH_PRIVATE(_ah)->ah_getWirelessModes(_ah) 434 #define ath_hal_eepromRead(_ah, _off, _data) \ 435 AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data) 436 #define ath_hal_eepromWrite(_ah, _off, _data) \ 437 AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data) 438 #define ath_hal_gpioCfgOutput(_ah, _gpio, _type) \ 439 (_ah)->ah_gpioCfgOutput(_ah, _gpio, _type) 440 #define ath_hal_gpioCfgInput(_ah, _gpio) \ 441 (_ah)->ah_gpioCfgInput(_ah, _gpio) 442 #define ath_hal_gpioGet(_ah, _gpio) \ 443 (_ah)->ah_gpioGet(_ah, _gpio) 444 #define ath_hal_gpioSet(_ah, _gpio, _val) \ 445 (_ah)->ah_gpioSet(_ah, _gpio, _val) 446 #define ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \ 447 (_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel) 448 #define ath_hal_getpowerlimits(_ah, _chan) \ 449 AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan) 450 #define ath_hal_getNfAdjust(_ah, _c) \ 451 AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c) 452 #define ath_hal_getNoiseFloor(_ah, _nfArray) \ 453 AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray) 454 #define ath_hal_configPCIE(_ah, _reset, _poweroff) \ 455 (_ah)->ah_configPCIE(_ah, _reset, _poweroff) 456 #define ath_hal_disablePCIE(_ah) \ 457 (_ah)->ah_disablePCIE(_ah) 458 #define ath_hal_setInterrupts(_ah, _mask) \ 459 (_ah)->ah_setInterrupts(_ah, _mask) 460 461 #define ath_hal_isrfkillenabled(_ah) \ 462 (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, AH_NULL) == HAL_OK) 463 #define ath_hal_enable_rfkill(_ah, _v) \ 464 ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _v, AH_NULL) 465 #define ath_hal_hasrfkill_int(_ah) \ 466 (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 3, AH_NULL) == HAL_OK) 467 468 #define ath_hal_eepromDetach(_ah) do { \ 469 if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL) \ 470 AH_PRIVATE(_ah)->ah_eepromDetach(_ah); \ 471 } while (0) 472 #define ath_hal_eepromGet(_ah, _param, _val) \ 473 AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val) 474 #define ath_hal_eepromSet(_ah, _param, _val) \ 475 AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val) 476 #define ath_hal_eepromGetFlag(_ah, _param) \ 477 (AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK) 478 #define ath_hal_getSpurChan(_ah, _ix, _is2G) \ 479 AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G) 480 #define ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \ 481 AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) 482 483 #ifndef _NET_IF_IEEE80211_H_ 484 /* 485 * Stuff that would naturally come from _ieee80211.h 486 */ 487 #define IEEE80211_ADDR_LEN 6 488 489 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 490 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 491 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 492 493 #define IEEE80211_CRC_LEN 4 494 495 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 496 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 497 #endif /* _NET_IF_IEEE80211_H_ */ 498 499 #define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001 500 501 #define INIT_AIFS 2 502 #define INIT_CWMIN 15 503 #define INIT_CWMIN_11B 31 504 #define INIT_CWMAX 1023 505 #define INIT_SH_RETRY 10 506 #define INIT_LG_RETRY 10 507 #define INIT_SSH_RETRY 32 508 #define INIT_SLG_RETRY 32 509 510 typedef struct { 511 uint32_t tqi_ver; /* HAL TXQ verson */ 512 HAL_TX_QUEUE tqi_type; /* hw queue type*/ 513 HAL_TX_QUEUE_SUBTYPE tqi_subtype; /* queue subtype, if applicable */ 514 HAL_TX_QUEUE_FLAGS tqi_qflags; /* queue flags */ 515 uint32_t tqi_priority; 516 uint32_t tqi_aifs; /* aifs */ 517 uint32_t tqi_cwmin; /* cwMin */ 518 uint32_t tqi_cwmax; /* cwMax */ 519 uint16_t tqi_shretry; /* frame short retry limit */ 520 uint16_t tqi_lgretry; /* frame long retry limit */ 521 uint32_t tqi_cbrPeriod; 522 uint32_t tqi_cbrOverflowLimit; 523 uint32_t tqi_burstTime; 524 uint32_t tqi_readyTime; 525 uint32_t tqi_physCompBuf; 526 uint32_t tqi_intFlags; /* flags for internal use */ 527 } HAL_TX_QUEUE_INFO; 528 529 extern HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah, 530 HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo); 531 extern HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah, 532 HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi); 533 534 #define HAL_SPUR_VAL_MASK 0x3FFF 535 #define HAL_SPUR_CHAN_WIDTH 87 536 #define HAL_BIN_WIDTH_BASE_100HZ 3125 537 #define HAL_BIN_WIDTH_TURBO_100HZ 6250 538 #define HAL_MAX_BINS_ALLOWED 28 539 540 #define IS_CHAN_5GHZ(_c) ((_c)->channel > 4900) 541 #define IS_CHAN_2GHZ(_c) (!IS_CHAN_5GHZ(_c)) 542 543 #define IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990) 544 545 /* 546 * Deduce if the host cpu has big- or litt-endian byte order. 547 */ 548 static __inline__ int 549 isBigEndian(void) 550 { 551 union { 552 int32_t i; 553 char c[4]; 554 } u; 555 u.i = 1; 556 return (u.c[0] == 0); 557 } 558 559 /* unalligned little endian access */ 560 #define LE_READ_2(p) \ 561 ((uint16_t) \ 562 ((((const uint8_t *)(p))[0] ) | (((const uint8_t *)(p))[1]<< 8))) 563 #define LE_READ_4(p) \ 564 ((uint32_t) \ 565 ((((const uint8_t *)(p))[0] ) | (((const uint8_t *)(p))[1]<< 8) |\ 566 (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24))) 567 568 /* 569 * Register manipulation macros that expect bit field defines 570 * to follow the convention that an _S suffix is appended for 571 * a shift count, while the field mask has no suffix. 572 */ 573 #define SM(_v, _f) (((_v) << _f##_S) & (_f)) 574 #define MS(_v, _f) (((_v) & (_f)) >> _f##_S) 575 #define OS_REG_RMW(_a, _r, _set, _clr) \ 576 OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set)) 577 #define OS_REG_RMW_FIELD(_a, _r, _f, _v) \ 578 OS_REG_WRITE(_a, _r, \ 579 (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) 580 #define OS_REG_SET_BIT(_a, _r, _f) \ 581 OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f)) 582 #define OS_REG_CLR_BIT(_a, _r, _f) \ 583 OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f)) 584 #define OS_REG_IS_BIT_SET(_a, _r, _f) \ 585 ((OS_REG_READ(_a, _r) & (_f)) != 0) 586 #define OS_REG_RMW_FIELD_ALT(_a, _r, _f, _v) \ 587 OS_REG_WRITE(_a, _r, \ 588 (OS_REG_READ(_a, _r) &~(_f<<_f##_S)) | \ 589 (((_v) << _f##_S) & (_f<<_f##_S))) 590 #define OS_REG_READ_FIELD(_a, _r, _f) \ 591 (((OS_REG_READ(_a, _r) & _f) >> _f##_S)) 592 #define OS_REG_READ_FIELD_ALT(_a, _r, _f) \ 593 ((OS_REG_READ(_a, _r) >> (_f##_S))&(_f)) 594 595 /* Analog register writes may require a delay between each one (eg Merlin?) */ 596 #define OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \ 597 do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | \ 598 (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0) 599 #define OS_A_REG_WRITE(_a, _r, _v) \ 600 do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0) 601 602 /* wait for the register contents to have the specified value */ 603 extern HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg, 604 uint32_t mask, uint32_t val); 605 extern HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg, 606 uint32_t mask, uint32_t val, uint32_t timeout); 607 608 /* return the first n bits in val reversed */ 609 extern uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n); 610 611 /* printf interfaces */ 612 extern void ath_hal_printf(struct ath_hal *, const char*, ...) 613 __printflike(2,3); 614 extern void ath_hal_vprintf(struct ath_hal *, const char*, __va_list) 615 __printflike(2, 0); 616 extern const char* ath_hal_ether_sprintf(const uint8_t *mac); 617 618 /* allocate and free memory */ 619 extern void *ath_hal_malloc(size_t); 620 extern void ath_hal_free(void *); 621 622 /* common debugging interfaces */ 623 #ifdef AH_DEBUG 624 #include "ah_debug.h" 625 extern int ath_hal_debug; /* Global debug flags */ 626 627 /* 628 * The typecast is purely because some callers will pass in 629 * AH_NULL directly rather than using a NULL ath_hal pointer. 630 */ 631 #define HALDEBUG(_ah, __m, ...) \ 632 do { \ 633 if ((__m) == HAL_DEBUG_UNMASKABLE || \ 634 ath_hal_debug & (__m) || \ 635 ((_ah) != NULL && \ 636 ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) { \ 637 DO_HALDEBUG((_ah), (__m), __VA_ARGS__); \ 638 } \ 639 } while(0); 640 641 extern void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...) 642 __printflike(3,4); 643 #else 644 #define HALDEBUG(_ah, __m, ...) 645 #endif /* AH_DEBUG */ 646 647 /* 648 * Register logging definitions shared with ardecode. 649 */ 650 #include "ah_decode.h" 651 652 /* 653 * Common assertion interface. Note: it is a bad idea to generate 654 * an assertion failure for any recoverable event. Instead catch 655 * the violation and, if possible, fix it up or recover from it; either 656 * with an error return value or a diagnostic messages. System software 657 * does not panic unless the situation is hopeless. 658 */ 659 #ifdef AH_ASSERT 660 extern void ath_hal_assert_failed(const char* filename, 661 int lineno, const char* msg); 662 663 #define HALASSERT(_x) do { \ 664 if (!(_x)) { \ 665 ath_hal_assert_failed(__FILE__, __LINE__, #_x); \ 666 } \ 667 } while (0) 668 #else 669 #define HALASSERT(_x) 670 #endif /* AH_ASSERT */ 671 672 /* 673 * Regulatory domain support. 674 */ 675 676 /* 677 * Return the max allowed antenna gain and apply any regulatory 678 * domain specific changes. 679 */ 680 u_int ath_hal_getantennareduction(struct ath_hal *ah, 681 const struct ieee80211_channel *chan, u_int twiceGain); 682 683 /* 684 * Return the test group for the specific channel based on 685 * the current regulatory setup. 686 */ 687 u_int ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *); 688 689 /* 690 * Map a public channel definition to the corresponding 691 * internal data structure. This implicitly specifies 692 * whether or not the specified channel is ok to use 693 * based on the current regulatory domain constraints. 694 */ 695 #ifndef AH_DEBUG 696 static OS_INLINE HAL_CHANNEL_INTERNAL * 697 ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c) 698 { 699 HAL_CHANNEL_INTERNAL *cc; 700 701 HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan); 702 cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata]; 703 HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c)); 704 return cc; 705 } 706 #else 707 /* NB: non-inline version that checks state */ 708 HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *, 709 const struct ieee80211_channel *); 710 #endif /* AH_DEBUG */ 711 712 /* 713 * Return the h/w frequency for a channel. This may be 714 * different from ic_freq if this is a GSM device that 715 * takes 2.4GHz frequencies and down-converts them. 716 */ 717 static OS_INLINE uint16_t 718 ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c) 719 { 720 return ath_hal_checkchannel(ah, c)->channel; 721 } 722 723 /* 724 * Convert between microseconds and core system clocks. 725 */ 726 extern u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs); 727 extern u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks); 728 729 /* 730 * Generic get/set capability support. Each chip overrides 731 * this routine to support chip-specific capabilities. 732 */ 733 extern HAL_STATUS ath_hal_getcapability(struct ath_hal *ah, 734 HAL_CAPABILITY_TYPE type, uint32_t capability, 735 uint32_t *result); 736 extern HAL_BOOL ath_hal_setcapability(struct ath_hal *ah, 737 HAL_CAPABILITY_TYPE type, uint32_t capability, 738 uint32_t setting, HAL_STATUS *status); 739 740 /* The diagnostic codes used to be internally defined here -adrian */ 741 #include "ah_diagcodes.h" 742 743 /* 744 * The AR5416 and later HALs have MAC and baseband hang checking. 745 */ 746 typedef struct { 747 uint32_t hang_reg_offset; 748 uint32_t hang_val; 749 uint32_t hang_mask; 750 uint32_t hang_offset; 751 } hal_hw_hang_check_t; 752 753 typedef struct { 754 uint32_t dma_dbg_3; 755 uint32_t dma_dbg_4; 756 uint32_t dma_dbg_5; 757 uint32_t dma_dbg_6; 758 } mac_dbg_regs_t; 759 760 typedef enum { 761 dcu_chain_state = 0x1, 762 dcu_complete_state = 0x2, 763 qcu_state = 0x4, 764 qcu_fsp_ok = 0x8, 765 qcu_fsp_state = 0x10, 766 qcu_stitch_state = 0x20, 767 qcu_fetch_state = 0x40, 768 qcu_complete_state = 0x80 769 } hal_mac_hangs_t; 770 771 typedef struct { 772 int states; 773 uint8_t dcu_chain_state; 774 uint8_t dcu_complete_state; 775 uint8_t qcu_state; 776 uint8_t qcu_fsp_ok; 777 uint8_t qcu_fsp_state; 778 uint8_t qcu_stitch_state; 779 uint8_t qcu_fetch_state; 780 uint8_t qcu_complete_state; 781 } hal_mac_hang_check_t; 782 783 enum { 784 HAL_BB_HANG_DFS = 0x0001, 785 HAL_BB_HANG_RIFS = 0x0002, 786 HAL_BB_HANG_RX_CLEAR = 0x0004, 787 HAL_BB_HANG_UNKNOWN = 0x0080, 788 789 HAL_MAC_HANG_SIG1 = 0x0100, 790 HAL_MAC_HANG_SIG2 = 0x0200, 791 HAL_MAC_HANG_UNKNOWN = 0x8000, 792 793 HAL_BB_HANGS = HAL_BB_HANG_DFS 794 | HAL_BB_HANG_RIFS 795 | HAL_BB_HANG_RX_CLEAR 796 | HAL_BB_HANG_UNKNOWN, 797 HAL_MAC_HANGS = HAL_MAC_HANG_SIG1 798 | HAL_MAC_HANG_SIG2 799 | HAL_MAC_HANG_UNKNOWN, 800 }; 801 802 /* Merge these with above */ 803 typedef enum hal_hw_hangs { 804 HAL_DFS_BB_HANG_WAR = 0x1, 805 HAL_RIFS_BB_HANG_WAR = 0x2, 806 HAL_RX_STUCK_LOW_BB_HANG_WAR = 0x4, 807 HAL_MAC_HANG_WAR = 0x8, 808 HAL_PHYRESTART_CLR_WAR = 0x10, 809 HAL_MAC_HANG_DETECTED = 0x40000000, 810 HAL_BB_HANG_DETECTED = 0x80000000 811 } hal_hw_hangs_t; 812 813 /* 814 * Device revision information. 815 */ 816 typedef struct { 817 uint16_t ah_devid; /* PCI device ID */ 818 uint16_t ah_subvendorid; /* PCI subvendor ID */ 819 uint32_t ah_macVersion; /* MAC version id */ 820 uint16_t ah_macRev; /* MAC revision */ 821 uint16_t ah_phyRev; /* PHY revision */ 822 uint16_t ah_analog5GhzRev; /* 2GHz radio revision */ 823 uint16_t ah_analog2GhzRev; /* 5GHz radio revision */ 824 } HAL_REVS; 825 826 /* 827 * Argument payload for HAL_DIAG_SETKEY. 828 */ 829 typedef struct { 830 HAL_KEYVAL dk_keyval; 831 uint16_t dk_keyix; /* key index */ 832 uint8_t dk_mac[IEEE80211_ADDR_LEN]; 833 int dk_xor; /* XOR key data */ 834 } HAL_DIAG_KEYVAL; 835 836 /* 837 * Argument payload for HAL_DIAG_EEWRITE. 838 */ 839 typedef struct { 840 uint16_t ee_off; /* eeprom offset */ 841 uint16_t ee_data; /* write data */ 842 } HAL_DIAG_EEVAL; 843 844 845 typedef struct { 846 u_int offset; /* reg offset */ 847 uint32_t val; /* reg value */ 848 } HAL_DIAG_REGVAL; 849 850 /* 851 * 11n compatibility tweaks. 852 */ 853 #define HAL_DIAG_11N_SERVICES 0x00000003 854 #define HAL_DIAG_11N_SERVICES_S 0 855 #define HAL_DIAG_11N_TXSTOMP 0x0000000c 856 #define HAL_DIAG_11N_TXSTOMP_S 2 857 858 typedef struct { 859 int maxNoiseImmunityLevel; /* [0..4] */ 860 int totalSizeDesired[5]; 861 int coarseHigh[5]; 862 int coarseLow[5]; 863 int firpwr[5]; 864 865 int maxSpurImmunityLevel; /* [0..7] */ 866 int cycPwrThr1[8]; 867 868 int maxFirstepLevel; /* [0..2] */ 869 int firstep[3]; 870 871 uint32_t ofdmTrigHigh; 872 uint32_t ofdmTrigLow; 873 int32_t cckTrigHigh; 874 int32_t cckTrigLow; 875 int32_t rssiThrLow; 876 int32_t rssiThrHigh; 877 878 int period; /* update listen period */ 879 } HAL_ANI_PARAMS; 880 881 extern HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request, 882 const void *args, uint32_t argsize, 883 void **result, uint32_t *resultsize); 884 885 /* 886 * Setup a h/w rate table for use. 887 */ 888 extern void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt); 889 890 /* 891 * Common routine for implementing getChanNoise api. 892 */ 893 int16_t ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *); 894 895 /* 896 * Initialization support. 897 */ 898 typedef struct { 899 const uint32_t *data; 900 int rows, cols; 901 } HAL_INI_ARRAY; 902 903 #define HAL_INI_INIT(_ia, _data, _cols) do { \ 904 (_ia)->data = (const uint32_t *)(_data); \ 905 (_ia)->rows = sizeof(_data) / sizeof((_data)[0]); \ 906 (_ia)->cols = (_cols); \ 907 } while (0) 908 #define HAL_INI_VAL(_ia, _r, _c) \ 909 ((_ia)->data[((_r)*(_ia)->cols) + (_c)]) 910 911 /* 912 * OS_DELAY() does a PIO READ on the PCI bus which allows 913 * other cards' DMA reads to complete in the middle of our reset. 914 */ 915 #define DMA_YIELD(x) do { \ 916 if ((++(x) % 64) == 0) \ 917 OS_DELAY(1); \ 918 } while (0) 919 920 #define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do { \ 921 int r; \ 922 for (r = 0; r < N(regArray); r++) { \ 923 OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]); \ 924 DMA_YIELD(regWr); \ 925 } \ 926 } while (0) 927 928 #define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do { \ 929 int r; \ 930 for (r = 0; r < N(regArray); r++) { \ 931 OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]); \ 932 DMA_YIELD(regWr); \ 933 } \ 934 } while (0) 935 936 extern int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia, 937 int col, int regWr); 938 extern void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia, 939 int col); 940 extern int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia, 941 const uint32_t data[], int regWr); 942 943 #define CCK_SIFS_TIME 10 944 #define CCK_PREAMBLE_BITS 144 945 #define CCK_PLCP_BITS 48 946 947 #define OFDM_SIFS_TIME 16 948 #define OFDM_PREAMBLE_TIME 20 949 #define OFDM_PLCP_BITS 22 950 #define OFDM_SYMBOL_TIME 4 951 952 #define OFDM_HALF_SIFS_TIME 32 953 #define OFDM_HALF_PREAMBLE_TIME 40 954 #define OFDM_HALF_PLCP_BITS 22 955 #define OFDM_HALF_SYMBOL_TIME 8 956 957 #define OFDM_QUARTER_SIFS_TIME 64 958 #define OFDM_QUARTER_PREAMBLE_TIME 80 959 #define OFDM_QUARTER_PLCP_BITS 22 960 #define OFDM_QUARTER_SYMBOL_TIME 16 961 962 #define TURBO_SIFS_TIME 8 963 #define TURBO_PREAMBLE_TIME 14 964 #define TURBO_PLCP_BITS 22 965 #define TURBO_SYMBOL_TIME 4 966 967 #define WLAN_CTRL_FRAME_SIZE (2+2+6+4) /* ACK+FCS */ 968 969 /* Generic EEPROM board value functions */ 970 extern HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList, 971 uint16_t listSize, uint16_t *indexL, uint16_t *indexR); 972 extern HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax, 973 uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts, 974 uint8_t *pRetVpdList); 975 extern int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft, 976 uint16_t srcRight, int16_t targetLeft, int16_t targetRight); 977 978 /* Whether 5ghz fast clock is needed */ 979 /* 980 * The chipset (Merlin, AR9300/later) should set the capability flag below; 981 * this flag simply says that the hardware can do it, not that the EEPROM 982 * says it can. 983 * 984 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock 985 * if the relevant eeprom flag is set. 986 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock 987 * by default. 988 */ 989 #define IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \ 990 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 991 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \ 992 ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G)) 993 994 /* 995 * Fetch the maximum regulatory domain power for the given channel 996 * in 1/2dBm steps. 997 */ 998 static inline int 999 ath_hal_get_twice_max_regpower(struct ath_hal_private *ahp, 1000 const HAL_CHANNEL_INTERNAL *ichan, const struct ieee80211_channel *chan) 1001 { 1002 struct ath_hal *ah = &ahp->h; 1003 1004 if (! chan) { 1005 ath_hal_printf(ah, "%s: called with chan=NULL!\n", __func__); 1006 return (0); 1007 } 1008 return (chan->ic_maxpower); 1009 } 1010 1011 /* 1012 * Get the maximum antenna gain allowed, in 1/2dBm steps. 1013 */ 1014 static inline int 1015 ath_hal_getantennaallowed(struct ath_hal *ah, 1016 const struct ieee80211_channel *chan) 1017 { 1018 1019 if (! chan) 1020 return (0); 1021 1022 return (chan->ic_maxantgain); 1023 } 1024 1025 /* 1026 * Map the given 2GHz channel to an IEEE number. 1027 */ 1028 extern int ath_hal_mhz2ieee_2ghz(struct ath_hal *, HAL_CHANNEL_INTERNAL *); 1029 1030 #endif /* _ATH_AH_INTERAL_H_ */ 1031